ECE2008 Poster Presentations Reproduction (48 abstracts)
Quantitative determination of aromatase and 5-α reductase mRNA and polymorphisms in the aromatase and 5-α reductase genes in idiopathic hirsutism
Munis Dundar 1 , A Okay Caglayan 1 , Nuran Ahu Baysal 2 , Fatih Tanriverdi 2 , Yusuf Ozkul 1 , Kursad Unluhizarci 2 & Fahrettin Kelestimur 2
1Department of Genetics, Erciyes University Medical School, Kayseri, Turkey; 2Department of Endocrinology, Erciyes University Medical School, Kayseri, Turkey.
Objective: Hirsutism, affects between 5% and 10% of women during reproductive age. Hirsutism associated with normal ovulatory function and normal circulating androgen concentrations is defined as idiopathic hirsutism and little information is available regarding the molecular pathogenesis.
Aim: Significance of polymorphisms of the genes involved in androgen/oestrogen biosynthesis (SRD5A2,CYP19) and their expressions inmodulating the susceptibility to idiopathic hirsutism were studied.
Methods: Hirsutism was scored using a modified Ferriman–Gallwey scoring system. The score >8 was considered as hirsutism. All the patients had idiopathic hirsutism. We assessed the expression of the genes for type 2 (SDR5A2) 5-alpha reductase isoenzyme and aromase (CYP19) in hair follicle removed from midline subumblical region in 8 untreated idiopathic hirsute patients and 8 normal women. SDR5A2 and CYP19 expression were estimated by Real-Time-PCR using the gene of the ubiquitously expressed protein β-actin as an internal control.
Results: No differences were found in SDR5A2 expression levels between patients and normal women. CYP19 gene expression levels were lower in the patients when compared with the controls (P<0.05).
Conclusion: Decreased aromatase activity may contribute to the pathogenesis of idiopathic hirsutism.
Supported by TUBITAK (SBAG-106S170).
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Endocrine Abstracts
ISSN 1470-3947 (print) | ISSN 1479-6848 (online)
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