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The DOI matches its Crossref record; 6 of the 6 references it cites were found in a registry or an index.

Association of the Steroid Synthesis Gene Cyp11a with Polycystic Ovary Syndrome and Hyperandrogenism

Gharani, N., Waterworth, D. M., Batty, S., White, D., Gilling-Smith, C., Conway, G. S., McCarthy, M., Franks, S., Williamson, R.·1997·Human Molecular Genetics

Abstract

Biochemical data implicate an underlying disorder of androgen biosynthesis and/or metabolism in the aetiology of polycystic ovary syndrome (PCOS). We have examined the segregation of the genes coding for two key enzymes in the synthesis and metabolism of androgens, cholesterol side chain cleavage (CYP11a) and aromatase (CYP19), with PCOS in 20 multiply-affected families. All analyses excluded CYP19 cosegregation with PCOS, demonstrating that this locus is not a major determinant of risk for the syndrome. However, our results provide evidence for linkage to the CYP11a locus (NPL score = 3.03, p = 0.003). Parametric analysis using a dominant model suggests genetic heterogeneity, generating a maximum HLOD score of 2.7 (alpha = 0.63). An association study of 97 consecutively identified Europids with PCOS and matched controls demonstrates significant allelic association of a CYP11a 5' UTR pentanucleotide repeat polymorphism with hirsute PCOS subjects (p = 0.03). A strong association was also found between alleles of this polymorphism and total serum testosterone levels in both affected and unaffected individuals (p = 0.002). Our data demonstrate that variation in CYP11a may play an important role in the aetiology of hyperandrogenaemia which is a common characteristic of polycystic ovary syndrome.

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Metadata

Authors
Gharani, N., Waterworth, D. M., Batty, S., White, D., Gilling-Smith, C., Conway, G. S., McCarthy, M., Franks, S., & Williamson, R.
Venue
Human Molecular Genetics
Published
1997-03-01
Volume
6
Issue
3
Pages
397-402
ISSN
  • 0964-6906 (ISSN-L)
  • 1460-2083
OpenAlex
W2115135831
Cited by
294
References
6
FWCI
11.65
Type
journal article
Language
en
Open access
closed

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