Cell-specific knockout of steriodogenic factor 1 reveals its essential roles in gonadal function

Pancharatnam Jeyasuria, Yayoi Ikeda, Soazik P. Jamin, Liping Zhao, Dirk G. De Rooij, Axel P.N. Themmen, Richard R. Behringer, Keith L. Parker

Research output: Contribution to journalArticle

185 Scopus citations

Abstract

Knockout (KO) mice lacking the orphan nuclear receptor steroidogenic factor 1 (SF-1, officially designated Nr5a1) have a compound endocrine phenotype that includes adrenal and gonadal agenesis, impaired expression of pituitary gonadotropins, and structural abnormalities of the ventromedial hypothalamic nucleus. To inactivate a conditional SF-1 allele in the gonads, we targeted the expression of Cre recombinase with a knock-in allele of the anti-Müllerian hormone type 2 receptor locus. In testes, Cre was expressed in Leydig cells. The testes of adult gonad-specific SF-1 KO mice remained at the level of the bladder and were markedly hypoplastic, due at least partly to impaired spermatogenesis. Histological abnormalities of the testes were seen from early developmental stages and were associated with markedly decreased Leydig cell expression of two essential components of testosterone biosynthesis, Cyp11a and the steroidogenic acute regulatory protein. In females, the anti-Müllerian hormone type 2 receptor-Cre allele directed Cre expression to granulosa cells. Although wild-type and SF-1 KO ovaries were indistinguishable during embryogenesis and at birth, adult females were sterile and their ovaries lacked corpora lutea and contained hemorrhagic cysts resembling those in estrogen receptor α and aromatase KO mice. Collectively, these studies establish definitively that SF-1 expression in the gonads is essential for normal reproductive development and function.

Original languageEnglish (US)
Pages (from-to)1610-1619
Number of pages10
JournalMolecular Endocrinology
Volume18
Issue number7
DOIs
StatePublished - Jul 1 2004

ASJC Scopus subject areas

  • Molecular Biology
  • Endocrinology

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    Jeyasuria, P., Ikeda, Y., Jamin, S. P., Zhao, L., De Rooij, D. G., Themmen, A. P. N., Behringer, R. R., & Parker, K. L. (2004). Cell-specific knockout of steriodogenic factor 1 reveals its essential roles in gonadal function. Molecular Endocrinology, 18(7), 1610-1619. https://doi.org/10.1210/me.2003-0404