title: sh_MI_D1_1_15

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 269”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2669 (Illumina) in rapid mode

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.177a)


title: FSF1_23

status: Public on Jul 25 2022

type: genomic

city: Grand Rapids

first: Peter

middle: W

last: Laird

state: MI

address: 333 Bostwick Ave NE

department: Epigenetics

country: USA

institute: Van Andel Institute

hyb_protocol: Bisulfite-converted DNA was amplified, fragmented, and hybridized to Illumina Infinium Human Methylation850k Beadchip using standard Illumina protocol.

scan_protocol: Arrays were imaged using BeadArray Reader (Illumina HiSeq2000) using standard recommended Illumina scanner setting

data_processing: Raw IDATs were processed with R (v4.1.1) package ‘SeSAMe’ with noob background correction, non-linear dye bias correction, and non-detection masking. P-value threshold was set at 0.1. Probe masking was performed using the standard mask list in SeSAMe, including probes that overlap with SNPs and repeat elements.

label: Cy3 and Cy5

molecule: genomic DNA

organism: Homo sapiens

source_name: Skin, sacrum

label_protocol: Cy3 and Cy5

extract_protocol: Frozen cell pellets were thawed and lysed using QIAshredder spin columns (Qiagen).  Genomic DNA was extracted from each sample using the AllPrep DNA/RNA Mini Kit (Qiagen), then stored at -80°C before analysis.

tag: subexperiment

value: Baseline profiling

value: 16 fetal weeks

value: female

value: Ambient

value: Full

tag: subculture

value: b

tag: growth protocol

value: Fibroblasts were maintained in Eagle’s MEM with Earle’s salts and non-essential amino acids with 15% v/v fetal bovine serum. Triplicate cultures derived from the same parent plate or vial obtained from Coriell were maintained in parallel through replicative senescence, which was defined in this study as drastically slowed growth (inability to reach near-confluence at 14 days after previous passage) or viable fraction of cells falling below 60%. Passaging occurred as cells became approximately 90% confluent.


title: Primary breast cancer, sample 171

type: RNA

city: Rotterdam

first: Marcel

last: Smid

address: Dr. Molewaterplein 50-60

department: Medical Oncology

country: Netherlands

institute: Erasmus Medical Centre

description:
EMC204_171
0562.CEL

hyb_protocol: standard Affymetrix protocol

scan_protocol: standard Affymetrix protocol on Affymetrix scanner 3000

data_processing: MAS5 parameters from affy R package, available at www.bioconductor.org using default analysis settings and global scaling as normalization method. The trimmed mean target intensity of each array was arbitrarily set to 600.

label: biotin

molecule: total RNA

source_name: Snap frozen primary breast tumor

label_protocol: standard Affymetrix protocol

extract_protocol: Total RNA was extracted with RNABee (Campro, Veenendaal, the Netherlands) according to the manufacturer procedure

tag: site of relapse (brain or other)

value: other

tag: survival time (months)


title: FSF1_19


title: FSF1_14

value: c


title: Primary breast cancer, sample 172

description:
EMC204_172
0575.CEL


title: FSF1_18


title: MI_D1_IZ_2_47

type: SRA

city: Tokyo

first: Shintaro

last: Yamada

address: 7-3-1, Hongo, Bunkyo-ku

department: Department of Cardiovascular Medicine

country: Japan

institute: The University of Tokyo

description:
Smart-seq2
ReadCounts.xlsx

library_source: transcriptomic

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.027 with the parameters “--cut_tail --cut_tail_window_size 1 --cut_tail_mean_quality 30 --length_required 30”
The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.2b)
The reads aligned to exon were counted using featureCounts
For nonCM RNA-seq, raw data was processed using Cell Ranger (version 4.0.0)
For spatial transcriptome, raw data was processed using Space Ranger (version 1.2.1)
Genome_build: For single-cardiomyocyte RNA-seq, the reference transcript data and the gene annotation file for mouse was downloaded from GENCODE (release 23, https://www.gencodegenes.org/)
Genome_build: For nonCM RNA-seq, the reference transcript data and the gene annotation file for mouse was downloaded from  https://cf.10xgenomics.com/supp/cell-exp/refdata-gex-mm10-2020-A.tar.gz.
Genome_build: For spatial transcrptome, the reference transcript data and the gene annotation file for mouse was downloaded from https://cf.10xgenomics.com/supp/spatial-exp/refdata-gex-mm10-2020-A.tar.gz.
Supplementary_files_format_and_content: ReadCounts file generated using featureCounts.
Supplementary_files_format_and_content: Each barcode.tsv.gz, features.tsv.gz and matrix.mtx.gz files genereted using Cell Ranger or Space Ranger.

organism: Mus musculus

source_name: Cardiomyocyte

growth_protocol: All the animal experiments were approved by the University of Tokyo Ethics Committee for Animal Experiments and strictly adhered to the guidelines for animal experiments of the University of Tokyo (Approved Number P14-106). All of wild type C57BL/6 male mice were purchased from CLEA JAPAN. All mouse were housed in separate cages at a maximum of 6 mice per cage in a specific-pathogen–free, temperature-controlled vivarium under a 12-h light/dark cycle with ad libitum access to food and water.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described7. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2500 (Illumina) in rapid mode

treatment_protocol: Myocardial infarction (MI) was induced as previously described25. Mice were anaesthetized by inhalation of 2% isoflurane. MI was induced by ligation of the left anterior descending artery. Mice that failed to develop MI or died within one week after the operation were excluded from the analysis.

tag: strain

tag: operation

value: MI day1

tag: region

value: ischemic

tag: tissue

value: single-cardiomyocyte

tag: name in supplementary file


title: MI_D1_IZ_2_46

description:
Smart-seq2
ReadCounts.xlsx


title: sh_MI_D1_1_20

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 275”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2675 (Illumina) in rapid mode

treatment_protocol: Myocardial infarction (MI) was induced as previously described. Mice were anaesthetized by inhalation of 2% isoflurane. MI was induced by ligation of the left anterior descending artery. Mice that failed to develop MI or died within one week after the operation were excluded from the analysis.

value: MI day1_shCsrp3

value: ishchemic + border

tag: genome build

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.183a)


title: MI_D1_IZ_2_45

description:
Smart-seq2
ReadCounts.xlsx


title: sh_MI_D1_1_14

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 268”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2668 (Illumina) in rapid mode

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.176a)


title: sh_MI_D1_1_12

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 266”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2666 (Illumina) in rapid mode

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.174a)


title: sh_MI_D1_1_13

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 267”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2667 (Illumina) in rapid mode

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.175a)


title: MI_D1_IZ_2_44

description:
Smart-seq2
ReadCounts.xlsx


title: FSF1_16

value: Baseline profiling

value: 16 fetal weeks


title: FSF1_17

value: female

value: Ambient


title: Primary breast cancer, sample 170

description:
EMC204_170
0557.CEL


title: sh_MI_D1_1_11

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 265”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2665 (Illumina) in rapid mode

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.173a)


title: Primary breast cancer, sample 169

description:
EMC204_169
0541.CEL


title: MI_D1_IZ_2_43

description:
Smart-seq2
ReadCounts.xlsx


title: sh_MI_D1_1_10

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 264”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2664 (Illumina) in rapid mode

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.172a)


title: Primary breast cancer, sample 167

description:
EMC204_167
0522.CEL

value: other


title: FSF1_15

value: Full

value: b

value: Fibroblasts were maintained in Eagle’s MEM with Earle’s salts and non-essential amino acids with 15% v/v fetal bovine serum. Triplicate cultures derived from the same parent plate or vial obtained from Coriell were maintained in parallel through replicative senescence, which was defined in this study as drastically slowed growth (inability to reach near-confluence at 14 days after previous passage) or viable fraction of cells falling below 60%. Passaging occurred as cells became approximately 90% confluent.


title: MI_D1_IZ_2_42

description:
Smart-seq2
ReadCounts.xlsx

value: MI day1

value: ischemic

value: single-cardiomyocyte


title: Primary breast cancer, sample 166

description:
EMC204_166
0517.CEL


title: sh_MI_D1_1_1

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 263”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2663 (Illumina) in rapid mode

value: MI day1_shCsrp3

value: ishchemic + border

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.171a)


title: WT_MI_D1_2_9

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 262”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2662 (Illumina) in rapid mode

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.170a)


title: MI_D1_IZ_2_40

description:
Smart-seq2
ReadCounts.xlsx


title: Primary breast cancer, sample 168

description:
EMC204_168
0534.CEL


title: FSF1_10

value: Baseline profiling


title: MI_D1_IZ_2_41

description:
Smart-seq2
ReadCounts.xlsx


title: Primary breast cancer, sample 164

description:
EMC204_164
0493.CEL


title: SB23 bacitracin treated s4

city: MILWAUKEE

first: CHRIS

last: KRISTICH

state: WI

address: 8701 WATERTOWN PLANK RD

institute: MCW

data_processing:
Illumina Casava 1.7 software used for basecalling.
TrimGalore v. 0.4.5 used to quality filter and trim reads
Bowtie 2 v. 2.3.4.3 used to align trimmed reads to reference (OG1RF: NC_017316.1)
Samtools v. 1.3 used to convert SAM to BAM and sort alignments
HTSeq was used to count reads; stranded set to reverse (-s reverse), -t gene -f bam
DESeq2 was used for differential expression testing.
Genome_build: NC_017316.1
Supplementary_files_format_and_content: tab-delimited files containing raw counts (output of HTSeq) for each sample

molecule: polyA RNA

organism: Enterococcus faecalis

source_name: bacterial culture

growth_protocol: Exponentially growing bacterial cultures in Mueller-Hinton broth in shaking flasks at 37 C

extract_protocol:
Total RNA was purified from cells, then subjected to rRNA depletion
TruSeq stranded libraries were prepared using standard Illumina protocols

treatment_protocol: bacitracin was added to some cultures at 128 ug/ml for 15 min at 37 C; cultures that did not receive bacitracin received vehicle only (DMSO)

tag: treatment

value: bacitracin


title: FSF1_11

value: 16 fetal weeks

value: female

value: c


title: MI_D1_IZ_2_39

description:
Smart-seq2
ReadCounts.xlsx


title: SB23 bacitracin treated s2


title: WT_MI_D1_2_83

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 261”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2661 (Illumina) in rapid mode

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.169a)


title: Primary breast cancer, sample 165

description:
EMC204_165
0508.CEL

value: other


title: FSF1_13

value: Ambient

value: Full


title: Primary breast cancer, sample 162

description:
EMC204_162
0427.CEL


title: WT_MI_D1_2_82

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 260”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2660 (Illumina) in rapid mode

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.168a)


title: Primary breast cancer, sample 163

description:
EMC204_163
0449.CEL


title: SB23 bacitracin treated s1


title: SB23 bacitracin treated s3


title: MI_D1_IZ_2_38

description:
Smart-seq2
ReadCounts.xlsx

value: MI day1


title: WT_MI_D1_2_81

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 259”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2659 (Illumina) in rapid mode

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.167a)


title: SB23 untreated s4

value: untreated


title: WT_MI_D1_2_80

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 258”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2658 (Illumina) in rapid mode

value: single-cardiomyocyte

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.166a)


title: MI_D1_IZ_2_37

description:
Smart-seq2
ReadCounts.xlsx

value: ischemic


title: SB23 untreated s3


title: MI_D1_IZ_2_36

description:
Smart-seq2
ReadCounts.xlsx


title: WT_MI_D1_2_8

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 257”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2657 (Illumina) in rapid mode

value: ishchemic + border

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.165a)


title: MI_D1_IZ_2_35

description:
Smart-seq2
ReadCounts.xlsx


title: Primary breast cancer, sample 161

description:
EMC204_161
0302.CEL


title: WT_MI_D1_2_79

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 256”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2656 (Illumina) in rapid mode

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.164a)


title: SB23 untreated s2


title: SB23 untreated s1


title: Primary breast cancer, sample 159

description:
EMC204_159
0295.CEL

data_processing: MAS5 parameters from affy R package, available at www.bioconductor.org using default analysis settings and global scaling as normalization method. The trimmed mean target intensity of each array was arbitrarily set to 600.

extract_protocol: Total RNA was extracted with RNABee (Campro, Veenendaal, the Netherlands) according to the manufacturer procedure


title: MI_D1_IZ_2_34

description:
Smart-seq2
ReadCounts.xlsx

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.027 with the parameters “--cut_tail --cut_tail_window_size 1 --cut_tail_mean_quality 30 --length_required 30”
The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.2b)
The reads aligned to exon were counted using featureCounts
For nonCM RNA-seq, raw data was processed using Cell Ranger (version 4.0.0)
For spatial transcriptome, raw data was processed using Space Ranger (version 1.2.1)
Genome_build: For single-cardiomyocyte RNA-seq, the reference transcript data and the gene annotation file for mouse was downloaded from GENCODE (release 23, https://www.gencodegenes.org/)
Genome_build: For nonCM RNA-seq, the reference transcript data and the gene annotation file for mouse was downloaded from  https://cf.10xgenomics.com/supp/cell-exp/refdata-gex-mm10-2020-A.tar.gz.
Genome_build: For spatial transcrptome, the reference transcript data and the gene annotation file for mouse was downloaded from https://cf.10xgenomics.com/supp/spatial-exp/refdata-gex-mm10-2020-A.tar.gz.
Supplementary_files_format_and_content: ReadCounts file generated using featureCounts.
Supplementary_files_format_and_content: Each barcode.tsv.gz, features.tsv.gz and matrix.mtx.gz files genereted using Cell Ranger or Space Ranger.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described7. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2500 (Illumina) in rapid mode


title: FSF1_8

data_processing: Raw IDATs were processed with R (v4.1.1) package ‘SeSAMe’ with noob background correction, non-linear dye bias correction, and non-detection masking. P-value threshold was set at 0.1. Probe masking was performed using the standard mask list in SeSAMe, including probes that overlap with SNPs and repeat elements.

extract_protocol: Frozen cell pellets were thawed and lysed using QIAshredder spin columns (Qiagen).  Genomic DNA was extracted from each sample using the AllPrep DNA/RNA Mini Kit (Qiagen), then stored at -80°C before analysis.

value: Baseline profiling

value: 16 fetal weeks

value: b

value: Fibroblasts were maintained in Eagle’s MEM with Earle’s salts and non-essential amino acids with 15% v/v fetal bovine serum. Triplicate cultures derived from the same parent plate or vial obtained from Coriell were maintained in parallel through replicative senescence, which was defined in this study as drastically slowed growth (inability to reach near-confluence at 14 days after previous passage) or viable fraction of cells falling below 60%. Passaging occurred as cells became approximately 90% confluent.


title: Primary breast cancer, sample 160

description:
EMC204_160
0298.CEL

value: other


title: FSF1_9

value: female

value: Ambient

value: c


title: WT_MI_D1_2_78

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 255”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2655 (Illumina) in rapid mode

value: MI day1

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.163a)


title: Primary breast cancer, sample 157

description:
EMC204_157
2011.CEL

value: brain+other


title: Primary breast cancer, sample 158

description:
EMC204_158
1592.CEL


title: FSF1_12

value: Full


title: OG1 bacitracin treated s4

value: bacitracin


title: WT_MI_D1_2_77

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 254”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2654 (Illumina) in rapid mode

value: single-cardiomyocyte

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.162a)


title: OG1 bacitracin treated s3


title: MI_D1_IZ_2_32

description:
Smart-seq2
ReadCounts.xlsx

value: ischemic


title: WT_MI_D1_2_76

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 253”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2653 (Illumina) in rapid mode

value: ishchemic + border

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.161a)


title: OG1 bacitracin treated s2


title: MI_D1_IZ_2_30

description:
Smart-seq2
ReadCounts.xlsx


title: OG1 bacitracin treated s1


title: WT_MI_D1_2_74

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 251”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2651 (Illumina) in rapid mode

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.159a)


title: OG1 untreated s4

value: untreated


title: WT_MI_D1_2_75

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 252”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2652 (Illumina) in rapid mode

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.160a)


title: MI_D1_IZ_2_31

description:
Smart-seq2
ReadCounts.xlsx


title: Primary breast cancer, sample 155

description:
EMC204_155
JA-055.CEL

value: other


title: FSF1_5

value: Baseline profiling

value: 16 fetal weeks

value: female

value: b

value: Fibroblasts were maintained in Eagle’s MEM with Earle’s salts and non-essential amino acids with 15% v/v fetal bovine serum. Triplicate cultures derived from the same parent plate or vial obtained from Coriell were maintained in parallel through replicative senescence, which was defined in this study as drastically slowed growth (inability to reach near-confluence at 14 days after previous passage) or viable fraction of cells falling below 60%. Passaging occurred as cells became approximately 90% confluent.


title: WT_MI_D1_2_73

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 250”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2650 (Illumina) in rapid mode

value: MI day1

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.158a)


title: FSF1_2

value: Ambient

value: Full

value: a


title: FSF1_6

value: c


title: OG1 untreated s3


title: MI_D1_IZ_2_29

description:
Smart-seq2
ReadCounts.xlsx

value: ischemic

value: single-cardiomyocyte


title: MI_D1_IZ_2_28

description:
Smart-seq2
ReadCounts.xlsx


title: WT_MI_D1_2_72

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 249”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2649 (Illumina) in rapid mode

value: ishchemic + border

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.157a)


title: MI_D1_IZ_2_33

description:
Smart-seq2
ReadCounts.xlsx


title: Primary breast cancer, sample 154

description:
EMC204_154
967.CEL


title: Primary breast cancer, sample 156

description:
EMC204_156
JA-093.CEL


title: Primary breast cancer, sample 152

description:
EMC204_152
2493.CEL


title: Primary breast cancer, sample 149

description:
EMC204_149
JA-204.CEL


title: Primary breast cancer, sample 148

description:
EMC204_148
JA-164.CEL


title: OG1 untreated s2

data_processing:
Illumina Casava 1.7 software used for basecalling.
TrimGalore v. 0.4.5 used to quality filter and trim reads
Bowtie 2 v. 2.3.4.3 used to align trimmed reads to reference (OG1RF: NC_017316.1)
Samtools v. 1.3 used to convert SAM to BAM and sort alignments
HTSeq was used to count reads; stranded set to reverse (-s reverse), -t gene -f bam
DESeq2 was used for differential expression testing.
Genome_build: NC_017316.1
Supplementary_files_format_and_content: tab-delimited files containing raw counts (output of HTSeq) for each sample

extract_protocol:
Total RNA was purified from cells, then subjected to rRNA depletion
TruSeq stranded libraries were prepared using standard Illumina protocols

value: untreated


title: WT_MI_D1_2_71

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 248”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2648 (Illumina) in rapid mode

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.156a)


title: OG1 untreated s1


title: MI_D1_IZ_2_27

description:
Smart-seq2
ReadCounts.xlsx


title: FSF1_1

value: Baseline profiling


title: MI_D1_IZ_2_26

description:
Smart-seq2
ReadCounts.xlsx


title: WT_MI_D1_2_70

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 247”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2647 (Illumina) in rapid mode

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.155a)


title: WT_MI_D1_2_69

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 245”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2645 (Illumina) in rapid mode

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.153a)


title: FSF1_3

value: 16 fetal weeks

value: female

value: b


title: FSF1_4

value: Fibroblasts were maintained in Eagle’s MEM with Earle’s salts and non-essential amino acids with 15% v/v fetal bovine serum. Triplicate cultures derived from the same parent plate or vial obtained from Coriell were maintained in parallel through replicative senescence, which was defined in this study as drastically slowed growth (inability to reach near-confluence at 14 days after previous passage) or viable fraction of cells falling below 60%. Passaging occurred as cells became approximately 90% confluent.


title: WT_MI_D1_2_68

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 244”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2644 (Illumina) in rapid mode

value: MI day1

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.152a)


title: Parental biol rep 3 [M10AP3]

first: Ian

last: Beddows

address: 333 Bostwick

description:
raw_counts.tsv
counts_per_million.tsv

data_processing:
Trim reads with trim_galore v0.6.0
Reads were mapped to GRCh38 with GENCODE release 33 with STAR v2.7.8a basic two-pass mode.
The raw counts were extracted from the reverse strand alignments.
Assembly: GRCh38
Supplementary files format and content: raw_counts.tsv contains raw read counts
Supplementary files format and content: counts_per_million.tsv contains counts per million mapped reads

source_name: breast

growth_protocol: Cells were grown in MEC media (phenol red-free DMEM/F12, 10% horse serum, 20ng/mL EGF, 0.5ug/mL hydrocortisone, 100ng/mL cholera toxin, and 10ug/mL insulin) in a 37°C humidified incubator in 5% CO2.

extract_protocol:
Buffer RLT (from RNeasy kit) containing betamercaptoethanol was added to each well of cells. The mix of buffer RLT and cells was then added to an MPbio lysing matrix E tube. Cells were homogenized for 20 seconds in an MPbio homogenizer, then the supernatant was added to a Qia Shredder column. An equal volume of 70% ethanol was added to the flow through, and the entire volume of liquid added to an RNeasy column. RNA was extracted according to the manufacturer’s instructions for the RNeasy kit (Qiagen).
KAPA mRNA Hyperprep kit (v7.21)

treatment_protocol: No Treatment

value: breast

tag: cell line

tag: cell type

value: epithelial

tag: genotype

value: Parental


title: MI_D1_IZ_2_23

description:
Smart-seq2
ReadCounts.xlsx

value: ischemic

value: single-cardiomyocyte


title: MI_D1_IZ_2_24

description:
Smart-seq2
ReadCounts.xlsx


title: Parental biol rep 2 [M10AP2]

description:
raw_counts.tsv
counts_per_million.tsv


title: Empty vector biol rep 3 [M10AEV3]

description:
raw_counts.tsv
counts_per_million.tsv

value: EV


title: MI_D1_IZ_2_22

description:
Smart-seq2
ReadCounts.xlsx


title: WT_MI_D1_2_7

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 246”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2646 (Illumina) in rapid mode

value: ishchemic + border

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.154a)


title: WT_MI_D1_2_67

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 243”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2643 (Illumina) in rapid mode

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.151a)


title: Primary breast cancer, sample 145

description:
EMC204_145
JA-069.CEL

data_processing: MAS5 parameters from affy R package, available at www.bioconductor.org using default analysis settings and global scaling as normalization method. The trimmed mean target intensity of each array was arbitrarily set to 600.

extract_protocol: Total RNA was extracted with RNABee (Campro, Veenendaal, the Netherlands) according to the manufacturer procedure

value: other


title: WT_MI_D1_2_66

data_processing:
Raw sequencing reads from single-cardiomyocyte RNA sequencing libraries were trimmed to remove adapter sequences and low-quality bases using fastp-0.20.038 with the parameters “--cut_tail --cut_tail_window_size 10 --cut_tail_mean_quality 30 --length_required 242”.
ReadCounts file generated using featureCounts.

extract_protocol:
Cardiomyocytes were isolated using Langendorff perfusion from the left ventricle as previously described. Enzymatic dissociation using Langendorff perfusion was performed with 35 mL enzyme solution (type 2 collagenase 1 mg/mL [Worthington], protease type XIV 0.05 mg/mL [Sigma-Aldrich], NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM; pH 7.4) pre-heated to 37 °C, at a rate of 3 mL/min. To neutralize enzymatic activity, fetal bovine serum (FBS) was added to the solution to a final concentration of 0.2% (v/v). After perfusion of digestion buffer, left ventricle was cut according to each sectional region (IR, RR) and cardiomyocytes were subsequently isolated. Cell suspensions were filtered through a 100-μm nylon mesh cell strainer and centrifuged at 100 g for 2 min, after which the supernatant was discarded. To prevent hypercontraction, the cardiomyocytes were resuspended in medium (NaCl 130 mM, KCl 5.4 mM, MgCl2 0.5 mM, NaH2PO4 0.33 mM, D-glucose 22 mM, HEPES 25 mM, FBS 0.2%; pH 7.4) containing a low concentration of calcium (0.1 mM). Rod-shaped live cardiomyocytes (viability of cardiomyocytes was ≥80% for all time points) were collected immediately with a 0.2–2-µL pipette (sample volume, 0.5 µL) and incubated in lysis buffer.
Single-cardiomyocyte cDNA libraries were generated using the Smart-seq2 protocol26 and the efﬁciency of reverse transcription was assessed by examining the cycle threshold (Ct) values of control genes (Tnnt2) from quantitative real-time polymerase chain reaction (qRT-PCR) using a CFX96 Real-Time PCR Detection System (Bio-Rad), and the distribution of cDNA fragment lengths was assessed using LabChip GX (Perkin Elmer) and/or TapeStation 2200 (Agilent Technologies). The following primer sets were used for qRT-PCR: Tnnt2 mRNA forward: TCCTGGCAGA GAGGAGGAAG; Tnnt2 mRNA reverse: TGCAGGTCGA ACTTCTCAGC. A Ct value of 25 was set as the threshold. The sequencing libraries were subjected to paired-end 51-bp RNA sequencing on a HiSeq 2642 (Illumina) in rapid mode

value: The clean reads were aligned to the mouse genome (mm10) using STAR (version 2.7.150a)


title: Primary breast cancer, sample 147

description:
EMC204_147
JA-081.CEL


title: Empty vector biol rep 1 [M10AEV1]

description:
raw_counts.tsv
counts_per_million.tsv


title: FSF1_7

data_processing: Raw IDATs were processed with R (v4.1.1) package ‘SeSAMe’ with noob background correction, non-linear dye bias correction, and non-detection masking. P-value threshold was set at 0.1. Probe masking was performed using the standard mask list in SeSAMe, including probes that overlap with SNPs and repeat elements.

extract_protocol: Frozen cell pellets were thawed and lysed using QIAshredder spin columns (Qiagen).  Genomic DNA was extracted from each sample using the AllPrep DNA/RNA Mini Kit (Qiagen), then stored at -80°C before analysis.

value: Baseline profiling

value: 16 fetal weeks

value: Ambient

value: Full


title: Primary breast cancer, sample 144

description:
EMC204_144
JA-061.CEL