Abstract:
:Meiosis is the key step in gametogenesis. However, the mechanism of mammalian meiosis remains poorly understood due to the lack of an in vitro model. Here, we report that retinoic acid (RA) is sufficient for inducing leptotene/zygotene spermatocytes from cultured mouse spermatogonial stem cells. Multiple genes regulated by RA were identified by RNA sequencing. RA in combination with pup Sertoli cell co-culture resulted in a higher induction efficiency of 28%. Comparisons in the transcriptomic profiles of the induced spermatogenic cells and the isolated ones revealed the progressive induction of the germ cells. Using this model, we showed that Stra8, Agpat3, Fam57a, Wdr91, and Sox30 contributed to the proliferation and meiosis initiation differentially. In conclusion, we have efficiently generated spermatocytes using an RA/pup Sertoli cell-based in vitro model and provided proof-of-concept evidence for its application in identifying genes involved in mammalian meiosis.
journal_name
Stem Cell Reportsjournal_title
Stem cell reportsauthors
Wang S,Wang X,Ma L,Lin X,Zhang D,Li Z,Wu Y,Zheng C,Feng X,Liao S,Feng Y,Chen J,Hu X,Wang M,Han Cdoi
10.1016/j.stemcr.2016.05.013subject
Has Abstractpub_date
2016-07-12 00:00:00pages
80-94issue
1issn
2213-6711pii
S2213-6711(16)30068-6journal_volume
7pub_type
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