Efficacy of metformin therapy in adolescent girls with androgen excess: relation to sex hormone-binding globulin and androgen receptor polymorphisms.
[No authors listed]
摘要
We studied the effects of the SHBG (TAAAA)(n) and androgen receptor gene [AR] (CAG)(n) allele length on endocrine-metabolic features and body composition (by dual-energy X-ray absorptiometry) before and after 1 year on metformin (850 mg/d) in 70 girls with polycystic ovary syndrome after precocious pubarche; allele lengths were assessed by polymerase chain reaction in both patients and in population control subjects (n = 107). Longer SHBG (TAAAA)(n) alleles (>8 repeats) were associated with more improvement of the lipid profile after 1 year on metformin, whereas longer AR (CAG)(n) alleles were related to more normalization of the androgen and lipid levels after therapy; longer alleles in both genes had an additive effect on the beneficial changes of SHBG, T, and lipids after metformin.
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基因功能
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原始数据
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文献解读
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