A Single-Cell Transcriptomic Map of the Human and Mouse Pancreas Reveals Inter- and Intra-cell Population Structure.
Although the function of the mammalian pancreas hinges on complex interactions of distinct cell types, gene expression profiles have primarily been described with bulk mixtures. Here we implemented a droplet-based, single-cell RNA-seq method to determine the transcriptomes of over 12,000 individual pancreatic cells from four human donors and two mouse strains. Cells could be divided into 15 clusters that matched previously characterized cell types: all endocrine cell types, including rare epsilon-cells; exocrine cell types; vascular cells; Schwann cells; quiescent and activated stellate cells; and four types of immune cells. We detected subpopulations of ductal cells with distinct expression profiles and validated their existence with immuno-histochemistry stains. Moreover, among human beta- cells, we detected heterogeneity in the regulation of genes relating to functional maturation and levels of ER stress. Finally, we deconvolved bulk gene expression samples using the single-cell data to detect disease-associated differential expression. Our dataset provides a resource for the discovery of novel cell type-specific transcription factors, signaling receptors, and medically relevant genes.
Faculty of Biology, Technion - Israel Institute of Technology, Haifa 3200003, Israel.
Maayan
M
Baron
Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Department of Systems Biology, Harvard Medical School, Boston, MA 02115, USA.
Adrian
A
Veres
Department of Systems Biology, Harvard Medical School, Boston, MA 02115, USA.
Samuel L
SL
Wolock
Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA.
Aubrey L
AL
Faust
Department of Immunology, Faculty of Medicine, Technion - Israel Institute of Technology, Haifa 3200003, Israel.
Renaud
R
Gaujoux
Center for the Science of Therapeutics, Broad Institute, Cambridge, MA 02142, USA.
Amedeo
A
Vetere
Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA.
Jennifer Hyoje
JH
Ryu
Center for the Science of Therapeutics, Broad Institute, Cambridge, MA 02142, USA.
Bridget K
BK
Wagner
Department of Immunology, Faculty of Medicine, Technion - Israel Institute of Technology, Haifa 3200003, Israel.
Shai S
SS
Shen-Orr
Department of Systems Biology, Harvard Medical School, Boston, MA 02115, USA. Electronic address: allon_klein@hms.harvard.edu.
Allon M
AM
Klein
Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA. Electronic address: dmelton@harvard.edu.
Douglas A
DA
Melton
Faculty of Biology, Technion - Israel Institute of Technology, Haifa 3200003, Israel. Electronic address: itai.yanai@nyumc.org.
Itai
I
Yanai
D000818:Animals; D002454:Cell Differentiation; D020869:Gene Expression Profiling; D018507:Gene Expression Regulation, Developmental; D006801:Humans; D007515:Islets of Langerhans; D051379:Mice; D010179:Pancreas; D046790:Pancreas, Exocrine; D059010:Single-Cell Analysis; D014157:Transcription Factors; D059467:Transcriptome
D014157:Transcription Factors
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