organism: Homo sapiens
description: Seed stem cells were obtained from neonatal umbilical cord by a specific method, expanded to P4 generation, and exosomes were extracted from the cell culture supernatant of P4 generation
attributes.tag: isolate
attributes.value: Seed stem cells were obtained from neonatal umbilical cord by a specific method, expanded to P4 generation, and exosomes were extracted from the cell culture supernatant of P4 generation
attributes.tag: age
attributes.value: 30 year old pregnant woman
attributes.tag: biomaterial_provider
attributes.value: Shenzhen Baoan District maternal and Child Health Hospital
attributes.tag: collection_date
attributes.value: 2023-01-27
attributes.tag: geo_loc_name
attributes.value: China: Guangdong,Shenzhen
attributes.tag: sex
attributes.value: female
attributes.tag: tissue
attributes.value: Umbilical cord
attributes.tag: cell_line
attributes.value: Umbilical cord mesenchymal stem cells
attributes.tag: cell_type
attributes.value: MSCs
attributes.tag: dev_stage
attributes.value: Neonatal umbilical cord, P4 generation mesenchymal stem cell culture supernatant
attributes.tag: health_state
attributes.value: health
attributes.tag: sample_type
attributes.value: cell culture
attributes.tag: BioSampleModel
attributes.value: Human