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The association of oestrogen receptor alpha-haplotypes with cardiovascular risk factors in the British Women's Heart and Health Study

Record type: Article

Aims One previous study among women with established coronary heart disease found a gene–treatment interaction between the oestrogen receptor gene (ESR1) and hormone replacement in their association with high density lipoprotein cholesterol (HDL-c). We aimed to replicate these findings in a general population sample.
Methods and results Cross-sectional associations were assessed in a study of 3404 women from 23 towns across Britain who were aged 60–79 at the time of assessment and were described as white by the examining nurse. Women with the T-A haplotype [constructed from two single nucleotide polymorphisms (SNPs) in the first intron of ESR1: c454-397T>C (rs2234693) and c454-351A>G (rs9340799)], which was predicted to be associated with reduced oestrogen response, were more likely to have been past [per haplotype odds ratio 1.16 (95% CI 1.01, 1.33), P = 0.02] or to be current users [per haplotype odds ratio 1.19 (95% CI 0.99, 1.42), P = 0.05] of hormone replacement. However, there was no association between haplotype or either SNP and HDL-c or other cardiovascular disease risk factors and no statistical evidence of an interaction between hormone replacement use and haplotype or either SNP with respect to HDL-c or any other cardiovascular disease risk factors.
Conclusion Women with the T-A haplotype are more likely to use hormone replacement. However, genotyping of ESR1 rs2234693 or rs9340799 in post-menopausal women to tailor hormone replacement is unlikely to markedly improve cardiovascular risk.

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Citation

Lawlor, Debbie A., Timpson, Nick, Ebrahim, Shah, Day, Ian N.M. and Smith, George Davey (2006) The association of oestrogen receptor alpha-haplotypes with cardiovascular risk factors in the British Women's Heart and Health Study European Heart Journal, 27, (13), pp. 1597-1604. (doi:10.1093/eurheartj/ehi833).

More information

Published date: 21 March 2006
Keywords: cholesterol, cardiovascular disease, insulin resistance, hormone replacement therapy, risk factors, aged, methods, research, metabolism, time, humans, genotype, research support

Identifiers

Local EPrints ID: 59971
URI: http://eprints.soton.ac.uk/id/eprint/59971
ISSN: 0195-668X
PURE UUID: 33391f23-f853-4cb4-9c9b-cf9e840d3f95

Catalogue record

Date deposited: 05 Sep 2008
Last modified: 17 Jul 2017 14:24

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Contributors

Author: Debbie A. Lawlor
Author: Nick Timpson
Author: Shah Ebrahim
Author: Ian N.M. Day
Author: George Davey Smith

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