Title: Functional redundancy of TGF-beta family type receptors and receptor-smads in mediating anti-Mullerian hormone-induced Mullerian duct regression in the mouse
Authors: Orvis, G. D ×
Jamin, S. P
Kwan, K. M
Mishina, Y
Kaartinen, V. M
Huang, S
Roberts, A. B
Umans, Lieve
Huylebroeck, Danny
Zwijsen, An
Wang, D
Martin, J. F
Behringer, R. R #
Issue Date: Jun-2008
Publisher: Soc study reproduction
Series Title: Biology of Reproduction vol:78 issue:6 pages:994-1001
Abstract: Amniotes, regardless of genetic sex, develop two sets of genital ducts: the Wolffian and Mulerian ducts. For normal sexual development to occur, one duct must differentiate into its corresponding organs, and the other must regress. In mammals, the Wolffian duct differentiates into the male reproductive tract, mainly the vasa deferentia, epididymides, and seminal vesicles, whereas the Mullerian duct develops into the four components of the female reproductive tract, the oviducts, uterus, cervix, and upper third of the vagina. In males, the fetal Leydig cells produce testosterone, which stimulates the differentiation of the Wolffian duct, whereas the Sertoli cells of the fetal testes express anti-Mullerian hormone, which activates the regression of the Mullerian duct. Anti-Mullerian hormone is a member of the transforming growth factor-beta (TGF-beta) family of secreted signaling molecules and has been shown to signal through the BMP pathway. It binds to its type II receptor, anti-Mullerian hormone receptor 2 (AMHR2), in the Mullerian duct mesenchyme and through an unknown mechanism(s); the mesenchyme induces the regression of the Mullerian duct mesoepithelium. Using tissue-specific gene inactivation with an Amhr2-Cre allele, we have determined that two TGF-beta type 1 receptors (Acvr1 and Bmpr1a) and all three BMP receptor-Smads (Smad1, Smad5, and Smad8) function redundantly in transducing the anti-Mullerian hormone signal required for Mullerian duct regression. Loss of these genes in the Mullerian duct mesenchyme results in male infertility due to retention of Mullerian duct derivatives in an otherwise virilized male.
ISSN: 0006-3363
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Genetics Section (-)
Molecular Biology (Celgen) (-)
Department of Human Genetics - miscellaneous
× corresponding author
# (joint) last author

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