2024-03-28T20:57:35Zhttp://repisalud.isciii.es/oai/requestoai:repisalud.isciii.es:20.500.12105/75812023-10-13T08:35:44Zcom_20.500.12105_2145com_20.500.12105_2051com_20.500.12105_2144col_20.500.12105_2146
Repisalud
author
Johnen, Heiko
author
González-Silva, Laura
author
Carramolino, Laura
author
Flores, Juana Maria
author
Torres, Miguel
author
Salvador, Jesús M
funder
Unión Europea. Comisión Europea
funder
Unión Europea. Comisión Europea. European Research Council (ERC)
funder
Instituto de Salud Carlos III
funder
Ministerio de Ciencia e Innovación (España)
2019-05-17T09:27:11Z
2019-05-17T09:27:11Z
2013
PLoS One. 2013; 8(3):e58751
1932-6203
http://hdl.handle.net/20.500.12105/7581
23516551
10.1371/journal.pone.0058751
1932-6203
PloS one
In humans and most mammals, differentiation of the embryonic gonad into ovaries or testes is controlled by the Y-linked gene SRY. Here we show a role for the Gadd45g protein in this primary sex differentiation. We characterized mice deficient in Gadd45a, Gadd45b and Gadd45g, as well as double-knockout mice for Gadd45ab, Gadd45ag and Gadd45bg, and found a specific role for Gadd45g in male fertility and testis development. Gadd45g-deficient XY mice on a mixed 129/C57BL/6 background showed varying degrees of disorders of sexual development (DSD), ranging from male infertility to an intersex phenotype or complete gonadal dysgenesis (CGD). On a pure C57BL/6 (B6) background, all Gadd45g(-/-) XY mice were born as completely sex-reversed XY-females, whereas lack of Gadd45a and/or Gadd45b did not affect primary sex determination or testis development. Gadd45g expression was similar in female and male embryonic gonads, and peaked around the time of sex differentiation at 11.5 days post-coitum (dpc). The molecular cause of the sex reversal was the failure of Gadd45g(-/-) XY gonads to achieve the SRY expression threshold necessary for testes differentiation, resulting in ovary and Müllerian duct development. These results identify Gadd45g as a candidate gene for male infertility and 46,XY sex reversal in humans.
eng
Gadd45g is essential for primary sex determination, male fertility and testis development
journal article
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URL
https://repisalud.isciii.es/bitstream/20.500.12105/7581/1/Gadd45gIsEssentialForPrimary_2013.pdf
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URL
https://repisalud.isciii.es/bitstream/20.500.12105/7581/3/Gadd45gIsEssentialForPrimary_2013.pdf.txt
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Gadd45gIsEssentialForPrimary_2013.pdf.txt