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Association between polymorphisms in the progesterone receptor gene and endometriosis.

Authors: Treloar, SA  Zhao, ZZ  Armitage, T  Duffy, DL  Wicks, J  O'Connor, DT  Martin, NG  Montgomery, GW 
Citation: Treloar SA, etal., Mol Hum Reprod. 2005 Sep;11(9):641-7. Epub 2005 Aug 26.
Pubmed: (View Article at PubMed) PMID:16126772
DOI: Full-text: DOI:10.1093/molehr/gah221

The progesterone receptor (PR) is a candidate gene for the development of endometriosis, a complex disease with strong hormonal features, common in women of reproductive age. We typed the 306 base pair Alu insertion (AluIns) polymorphism in intron G of PR in 101 individuals, estimated linkage disequilibrium (LD) between five single-nucleotide polymorphisms (SNPs) across the PR locus in 980 Australian triads (endometriosis case and two parents) and used transmission disequilibrium testing (TDT) for association with endometriosis. The five SNPs showed strong pairwise LD, and the AluIns was highly correlated with proximal SNPs rs1042839 (delta2 = 0.877, D9 = 1.00, P < 0.0001) and rs500760 (delta2 = 0.438, D9 = 0.942, P < 0.0001). TDT showed weak evidence of allelic association between endometriosis and rs500760 (P = 0.027) but not in the expected direction. We identified a common susceptibility haplotype GGGCA across the five SNPs (P = 0.0167) in the whole sample, but likelihood ratio testing of haplotype transmission and non-transmission of the AluIns and flanking SNPs showed no significant pattern. Further, analysis of our results pooled with those from two previous studies suggested that neither the T2 allele of the AluIns nor the T1/T2 genotype was associated with endometriosis.


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RGD Object Information
RGD ID: 1601277
Created: 2007-04-12
Species: All species
Last Modified: 2007-04-12
Status: ACTIVE


RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.