|(C;C)||2.1||Small reduction in coronary heart disease risk from alcohol consumption|
|(C;T)||2.1||Small reduction in heart disease risk from drinking alcohol|
|(T;T)||2.2||B2B2 genotype; some reduction in heart disease risk from moderate alcohol consumption|
However, high HDL cholesterol, at least when combined with another HDL raising SNP (rs1800588), doesn't appear to actually protect individuals from coronary artery disease, at least based on one study of ~800 Caucasian male patients. [PMID 18164013]
A similarly confusing picture emerges from a study of two populations of 10,000+ individuals each. The distribution of the CETP genotype was observed to be different in population-based studies compared with studies in populations selected by high cardiovascular risk, and contradictory results were seen when trying to figure out if the TaqIB SNP predicted whether drugs would lower plasma lipids or cardiovascular outcome.[PMID 18518852]
A meta-analysis concluded that there probably was a statistically significant, but weak, association for this SNP. For each rs708272(T) allele inherited, individuals had lower mean CETP mass (-9.7%; CI: -11.7% to -7.8%), lower mean CETP activity (-8.6%; CI: -13.0% to -4.1%), higher mean high-density lipoprotein cholesterol (HDL-C) concentrations (4.5%; CI: 3.8%-5.2%), and higher mean apolipoprotein A-I concentrations (2.4%; CI, 1.6%-3.2%). The combined per-allele odds ratios (ORs) for coronary disease were 0.95 (CI: 0.92-0.99).[PMID 18560005]
A prospective cohort study of 18,245 initially healthy American women over a 10-year period found similar results with respect to HDL-C levels and (inversely) risk of myocardial infarction; rs708272(T) was associated with a per-allele increase in HDL-C levels of 3.1 mg/dL and a concordant 24 percent lower risk of future myocardial infarction (age-adjusted HR 0.76, CI: 0.62-0.94).[PMID 20031564]
rs708272 has also been associated with reduced coronary heart disease risk in those drinking alcohol. More specifically, a 2014 study by Mehlig et al., ([PMID 25288221] studying 618 patients with CHD found that the B2B2 genotype, rs708272(T;T)), had a reduced risk (odds ratio 0.21) for CHD in intermediate vs low drinkers.[PMID 20031564] Polymorphism in the CETP Gene Region, HDL Cholesterol, and Risk of Future Myocardial Infarction: Genomewide Analysis Among 18 245 Initially Healthy Women From the Women's Genome Health Study
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[PMID 18275964] Low-density lipoprotein and high-density lipoprotein cholesterol levels in relation to genetic polymorphisms and menopausal status: the Atherosclerosis Risk in Communities (ARIC) Study.
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[PMID 18835593] Interactions between alcohol intake and the polymorphism of rs708272 on serum high-density lipoprotein cholesterol levels in the Guangxi Hei Yi Zhuang population.
[PMID 19041386] Genetic-epidemiological evidence on genes associated with HDL cholesterol levels: a systematic in-depth review.
[PMID 19263529] Genetic risk factors in recurrent venous thromboembolism: A multilocus, population-based, prospective approach.
[PMID 19336475] Integrated associations of genotypes with multiple blood biomarkers linked to coronary heart disease risk.
[PMID 19379518] Development of a fingerprinting panel using medically relevant polymorphisms.
[PMID 19913121] Gene-centric association signals for lipids and apolipoproteins identified via the HumanCVD BeadChip.
[PMID 20205905] Association of repeatedly measured intermediate risk factors for complex diseases with high dimensional SNP data.
[PMID 20565774] Population based allele frequencies of disease associated polymorphisms in the Personalized Medicine Research Project.
[PMID 21146168] LPL polymorphism (D9N) predicts cardiovascular disease risk directly and through interaction with CETP polymorphism (TaqIB) in women with high HDL cholesterol and CRP.
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