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Isolated cryptorchidism: no evidence for involvement of genes underlying isolated hypogonadotropic hypogonadism.

Abstract：

:Mutations in FGFR1, GNRHR, PROK2, PROKR2, TAC3, or TACR3 underlie isolated hypogonadotropic hypogonadism (IHH) with clinically variable phenotypes, and, by causing incomplete intrauterine activation of the hypothalamic-pituitary-gonadal axis, may lead to cryptorchidism. To investigate the role of defects in these genes in the etiology of isolated cryptorchidism, we screened coding exons and exon-intron boundaries of these genes in 54 boys or men from 46 families with a history of cryptorchidism. Control subjects (200) included 120 males. None of the patients carried mutation(s) in FGFR1, PROK2, PROKR2, TAC3 or TACR3. Two of the 46 index subjects with unilateral cryptorchidism were heterozygous carriers of a single GNRHR mutation (Q106R or R262Q), also present in male controls with a similar frequency (3/120; p=0.62). No homozygous or compound heterozygous GNRHR mutations were found. In conclusion, cryptorchidism is not commonly caused by defects in genes involved in IHH.

journal_name

Mol Cell Endocrinol

journal_title

Molecular and cellular endocrinology

authors

Laitinen EM,Tommiska J,Virtanen HE,Oehlandt H,Koivu R,Vaaralahti K,Toppari J,Raivio T

doi

10.1016/j.mce.2011.05.015

subject

Has Abstract

pub_date

2011-07-20 00:00:00

pages

35-8

issue

1-2

eissn

0303-7207

issn

1872-8057

pii

S0303-7207(11)00257-7

journal_volume

341

pub_type

杂志文章

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