The p.R92W variant of NR5A1/Nr5a1 induces testicular development of 46,XX gonads in humans, but not in mice: phenotypic comparison of human patients and mutation-induced mice

Mami Miyado, Masafumi Inui, Maki Igarashi, Yuko Katoh-Fukui, Kei Takasawa, Akiko Hakoda, Junko Kanno, Kenichi Kashimada, Kenji Miyado, Moe Tamano, Tsutomu Ogata, Shuji Takada, Maki Fukami

Research output: Contribution to journalLetterpeer-review

12 Citations (Scopus)

Abstract

NR5A1 is the key regulator of adrenal and gonadal development in both humans and mice. Recently, a missense substitution in human NR5A1, p.R92W, was shown to underlie gonadal dysgenesis in genetic males and testicular formation in genetic females. Here, we investigated the phenotypic effects of the p.R92W mutation on murine development. Mice carrying the p.R92W mutation manifested a similar but milder phenotype than that of the previously described Nr5a1 knockout mice. Importantly, mutation-positive XX mice showed no signs of masculinization. These results, together with prior observations, indicate that the p.R92W mutation in NR5A1/Nr5a1 encodes unique molecules that disrupt male gonadal development in both humans and mice and induces testicular formation specifically in human females. Our findings provide novel insights into the conservation and divergence in the molecular networks underlying mammalian sexual development.

Original languageEnglish
Pages (from-to)1-5
Number of pages5
JournalBiology of Sex Differences
Volume7
Issue number1
DOIs
Publication statusPublished - 2016 Nov 8

Keywords

  • Disorders of sex development
  • Genome editing
  • Gonadal development
  • Gonadal dysgenesis
  • Mouse model
  • Mutation
  • SF-1
  • Sex differentiation

ASJC Scopus subject areas

  • Gender Studies
  • Endocrinology

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