A PAX5-OCT4-PRDM1 developmental switch specifies human primordial germ cells.
Carey, Charles C
Surani, M Azim
Orwig, Kyle E
Reijo Pera, Renee A
Nature Cell Biology
MetadataShow full item record
Fang, F., Angulo, B., Xia, N., Sukhwani, M., Wang, Z., Carey, C. C., Mazurie, A., et al. (2018). A PAX5-OCT4-PRDM1 developmental switch specifies human primordial germ cells.. Nature Cell Biology, 20 (6), 655-665. https://doi.org/10.1038/s41556-018-0094-3
Dysregulation of genetic pathways during human germ cell development leads to infertility. Here, we analysed bona fide human primordial germ cells (hPGCs) to probe the developmental genetics of human germ cell specification and differentiation. We examined the distribution of OCT4 occupancy in hPGCs relative to human embryonic stem cells (hESCs). We demonstrated that development, from pluripotent stem cells to germ cells, is driven by switching partners with OCT4 from SOX2 to PAX5 and PRDM1. Gain- and loss-of-function studies revealed that PAX5 encodes a critical regulator of hPGC development. Moreover, an epistasis analysis indicated that PAX5 acts upstream of OCT4 and PRDM1. The PAX5-OCT4-PRDM1 proteins form a core transcriptional network that activates germline and represses somatic programmes during human germ cell differentiation. These findings illustrate the power of combined genome editing, cell differentiation and engraftment for probing human developmental genetics that have historically been difficult to study.
Animals, Cell Differentiation, Cell Line, Gene Editing, Gene Expression Regulation, Developmental, Human Embryonic Stem Cells, Humans, Male, Mice, Nude, Octamer Transcription Factor-3, PAX5 Transcription Factor, Positive Regulatory Domain I-Binding Factor 1, Protein Binding, SOXB1 Transcription Factors, Signal Transduction, Spermatozoa, Testis, Time Factors, Transcription, Genetic
Wellcome Trust (209475/Z/17/Z)
Medical Research Council (MR/P009948/1)
External DOI: https://doi.org/10.1038/s41556-018-0094-3
This record's URL: https://www.repository.cam.ac.uk/handle/1810/280128
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