期刊
EUROPEAN JOURNAL OF CLINICAL INVESTIGATION
卷 37, 期 6, 页码 472-477出版社
WILEY
DOI: 10.1111/j.1365-2362.2007.01812.x
关键词
atherosclerosis; autopsy study; fatty streak; hepatic lipase; polymorphism
Background The T allele of the hepatic lipase (HL) C-480T polymorphism was previously found to be associated with lower post-heparin plasma HL activity, atherosclerosis and risk of coronary artery disease. We studied the association of HL C-480T polymorphism with the extent of atherosclerosis at vessel-wall level in an autopsy series of middle-aged men. Materials and methods An autopsy cohort of 700 Caucasian Finnish men aged 33-70 years (mean 53 years), which comprised two autopsy series, collected 10 years apart during 1981-82 and 1991-92, were analysed. Areas of coronary wall covered with fatty streaks and fibrotic and complicated lesions were measured using computer-assisted planimetry and related to HL C-480T genotypes (CC, CT, and TT). Results There was a significant age-by-genotype interaction on the mean percentage area of fatty streaks (P = 0.01). The HL C-480T polymorphism was a significant explanatory factor for fatty streak area in men under 53 years of age with or without age, body mass index, hypertension, diabetes, smoking, alcohol consumption, apolipoprotein E genotype, and series number as covariates. Men carrying the TT genotype had two times larger areas of fatty streaks compared to the CC carriers (8.8% vs. 4.3%, P = 0.009). However, this association disappeared in men over 53 years. The areas of more advanced atherosclerotic lesions did not vary significantly among the genotype groups. Conclusions Our results suggest that the HL C-480T polymorphism affects the formation of early coronary atherosclerotic lesions in men in their early middle age.
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