Journal
ASIAN JOURNAL OF ANDROLOGY
Volume 14, Issue 1, Pages 164-171Publisher
MEDKNOW PUBLICATIONS & MEDIA PVT LTD
DOI: 10.1038/aja.2011.169
Keywords
gonadal; knockout; mice; sex determination; sex-determining region Y protein; sex disorders; sex reversal; sexual development; testis
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Funding
- Australian Research Council (ARC)
- National Health and Medical Research Council of Australia
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Disorders of sex development often arise from anomalies in the molecular or cellular networks that guide the differentiation of the embryonic gonad into either a testis or an ovary, two functionally distinct organs. The activation of the Y-linked gene Sry (sex-determining region Y) and its downstream target Sox9 (Sry box-containing gene 9) triggers testis differentiation by stimulating the differentiation of Sertoli cells, which then direct testis morphogenesis. Once engaged, a genetic pathway promotes the testis development while actively suppressing genes involved in ovarian development. This review focuses on the events of testis determination and the struggle to maintain male fate in the face of antagonistic pressure from the underlying female programme. Asian Journal of Andrology (2012) 14, 164-171; doi: 10.1038/aja.2011.169; published online 19 December 2011
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