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Molecular analysis of WNT4 gene in four adolescent girls with mullerian duct abnormality and hyperandrogenism (atypical Mayer-Rokitansky-Küster-Hauser syndrome)


Philibert, P; Biason-Lauber, A; Gueorguieva, I; Stuckens, C; Pienkowski, C; Lebon-Labich, B; Paris, F; Sultan, C (2011). Molecular analysis of WNT4 gene in four adolescent girls with mullerian duct abnormality and hyperandrogenism (atypical Mayer-Rokitansky-Küster-Hauser syndrome). Fertility and Sterility, 95(8):2683-2686.

Abstract

In a collaborative study, we investigated four 46,XX adolescent girls with Mayer-Rokitansky-Küster-Hauser syndrome and hyperandrogenism. Molecular analysis of the WNT4 gene permitted us to identify a new mutation (p.A233T). Functional studies revealed partial repression of steroidogenic enzymes (normal repression of HSD3B2) contrasting with the abnormal reexpression of CYP17A1 enzyme in the OVCAR3 cell line. This fourth new WNT4 mutation confirms that this signaling molecule is involved in mullerian development and androgen biosynthesis repression in the ovary. Interestingly, this mutant partially lacks the capability to repress ovarian steroidogenic enzymes, with abnormal expression of 17α- hydroxylase.

Abstract

In a collaborative study, we investigated four 46,XX adolescent girls with Mayer-Rokitansky-Küster-Hauser syndrome and hyperandrogenism. Molecular analysis of the WNT4 gene permitted us to identify a new mutation (p.A233T). Functional studies revealed partial repression of steroidogenic enzymes (normal repression of HSD3B2) contrasting with the abnormal reexpression of CYP17A1 enzyme in the OVCAR3 cell line. This fourth new WNT4 mutation confirms that this signaling molecule is involved in mullerian development and androgen biosynthesis repression in the ovary. Interestingly, this mutant partially lacks the capability to repress ovarian steroidogenic enzymes, with abnormal expression of 17α- hydroxylase.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Children's Hospital Zurich > Medical Clinic
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:2011
Deposited On:28 Jan 2012 18:15
Last Modified:05 Apr 2016 15:25
Publisher:Elsevier
ISSN:0015-0282
Publisher DOI:https://doi.org/10.1016/j.fertnstert.2011.01.152
PubMed ID:21377155

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