Cannabinoid Receptor 1 (<i>CNR1</i>) <i>4895 C/T</i> Genetic Polymorphism was Associated with Obesity in Japanese Men
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- Mutombo Paulin Beya wa Bitadi
- Department of Environmental & Preventive Medicine, Shimane University School of Medicine
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- Yamasaki Masayuki
- Department of Environmental & Preventive Medicine, Shimane University School of Medicine
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- Nabika Toru
- Department of Functional Pathology, Shimane University School of Medicine
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- Shiwaku Kuninori
- Department of Environmental & Preventive Medicine, Shimane University School of Medicine
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Abstract
Aim: The aim of this study was to investigate the association of cannabinoid receptor 1 (CNR1) 4895 C/T gene polymorphism with obesity and obesity-related cardiovascular disease (CVD) risk factors in Japanese.<BR>Method: This study included 1,452 Japanese (678 men and 774 women, aged 25 to 74) from rural communities in Shimane Prefecture, Japan.<BR>Results: The frequency of the C minor allele of CNR1 4895 C/T polymorphism was 47%. In men, the CC genotype carriers showed significantly greater body mass index (BMI) and waist circumference (WC) values than T allele carriers, even after adjusting for age and medications for hypertension, dyslipidemia and type 2 diabetes. The frequency of obesity (BMI ≥25 kg/m2) in CC genotype carriers was significantly greater than in T allele carriers (31.8% vs 21.5%), but the frequency of central obesity (WC ≥85 for men and WC ≥90 cm for women) was not significant by CNR1 4895 C/T genotype. CC genotype carriers of CNR1 4895 C/T showed, in logistic regression analysis, significantly greater odds for obesity than T allele carriers, even after adjustment for age and the above-mentioned medications. Systolic blood pressure (SBP) values were also significantly different between the CC genotype and T allele carriers after controlling for age, medications for hypertension, dyslipidemia, and type 2 diabetes, and BMI or WC.<BR>Conclusion: This study supports the association of CNR1 4895 C/T with interindividual differences in obesity in men.
Journal
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- Journal of Atherosclerosis and Thrombosis
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Journal of Atherosclerosis and Thrombosis 19 (8), 779-785, 2012
Japan Atherosclerosis Society
