Phenotypic heterogeneity of mutations in androgen receptor gene

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Phenotypic heterogeneity of mutations in androgen receptor gene.

Androgen receptor (AR) gene has been extensively studied in diverse clinical conditions. In addition to the point mutations, trinucleotide repeat (CAG and GGN) length polymorphisms have been an additional subject of interest and controversy among geneticists. The polymorphic variations in triplet repeats have been associated with a number of disorders, but at the same time contradictory finding...

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the androgen insensitivity syndrome is a heterogeneous disorder with a wide spectrum of phenotypic abnormalities, ranging from complete female to ambiguous forms that more closely resemble males. the primary abnormality is a defective androgen receptor protein due to a mutation of the androgen receptor gene. this prevents normal androgen action and thus leads to impaired virilization. a point m...

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Androgen resistance caused by mutations in the androgen receptor gene.

Defects in the human androgen receptor cause a spectrum of defects in male phenotypic sexual development associated with abnormalities in the receptor protein assayed in cultured fibroblasts and in broken cell assays. In some patients these abnormalities are associated with absent ligand binding, in other qualitative or quantitative abnormalities of ligand binding are present, and in some no ab...

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P-231: Androgen Receptor Gene Expression in Azoospermia Men

Background: Androgens are critical steroid hormones in progression of spermatogenesis process and determine the male phenotype that their actions are mediated by the androgen receptor (AR), a member of the nuclear receptor superfamily. In the Androgen receptor, transactivation domain encoded by exon 1, DNA binding domain encoded by exons 2 and 3, hinge region encoded by part of exon 4, and C-te...

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The current version of the androgen receptor (AR) gene mutations database is described. The total number of reported mutations has risen from 272 to 309 in the past year. We have expanded the database: (i) by giving each entry an accession number; (ii) by adding information on the length of polymorphic polyglutamine (polyGln) and polyglycine (polyGly) tracts in exon 1; (iii) by adding informati...

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ژورنال

عنوان ژورنال: Asian Journal of Andrology

سال: 2007

ISSN: 1008-682X,1745-7262

DOI: 10.1111/j.1745-7262.2007.00250.x