Association of oestrogen receptor alpha gene polymorphism with the angiographic extent of coronary artery disease

Arthur Pollak*, Ariel Rokach, Anat Blumenfeld, Laura J. Rosen, Luba Resnik, Rivka Dresner Pollak

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Aims: To investigate the association between sequence variants in the promoter region of the oestrogen receptor-α (ER-α) gene and the angiographic severity of coronary artery disease (CAD). Methods and results: We studied 503 subjects undergoing coronary angiography (mean age 63±12 years, 72% men, 28% women). Coronary artery disease extent was assessed by the number of: (1) major coronary vessels with >50% narrowing (NMCV); (2) coronary vessels with any narrowing (NCV); (3) narrowed coronary segments (NCS). The number of thymine and adenine dinucleotide repeats [(TA)n], 1174 base-pairs upstream exon 1, was determined by PCR. The median number of (TA)n (18) was used to categorize subjects into long, short and mixed allele genotypes. Poisson regression was used to analyse the association between genotypes and CAD extent, with age category (age ≤55 vs >55), sex, risk factors and age at onset of CAD as covariates. In young subjects, (TA)n length had a significant effect on NCS (P=0.047) and a borderline significant effect on NCV (P=0.066). Young subjects homozygous for long alleles had higher NCV and NCS compared to those homozygous for short alleles (NCV 3.7±2.4 vs 2.4±1.8, NCS 4.4±2.7 vs 3.1±2.3, respectively, P≤0.034). Conclusion: The (TA)n length in the ER-α gene promoter region is associated with the angiographic severity of CAD in young patients.

Original languageEnglish
Pages (from-to)240-245
Number of pages6
JournalEuropean Heart Journal
Volume25
Issue number3
DOIs
StatePublished - Feb 2004
Externally publishedYes

Keywords

  • Angiography
  • Coronary artery disease
  • Oestrogen receptor-α gene polymorphism
  • Risk factors

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