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KMID : 0381020130460060511
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Korean Journal of Nutrition
2013 Volume.46 No. 6 p.511 ~ p.520
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Association of MCP-1 polymorphism with cardiovascular disease risk factors in Korean elderly
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Park Hee-Jung
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Abstract
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Monocyte chemoattractant protein-1 (MCP-1) plays an important role in cardiovascular disease (CVD). Genetic polymorphism in the regulatory regions of MCP-1 could affect MCP-1 expression. The purpose of the study was to explore the possible association of MCP-1 -2518 A/G genetic polymorphism and CVD risk factors in the elderly Korean population. Dietary, anthropometric, and biochemical factors were assessed in 168 subjects. The frequency of A/A, G/A, and G/G genotypes was 14.2%, 45.8%, and 40.0%, respectively. The blood level of MCP-1 was significantly higher in subjects with A/A genotype. The MCP-1 level was significantly higher in A/A genotype with hypercholesterolemia than in other genotypes. Meat intake and percent energy from lipids were significantly positively correlated with the MCP-1 level, especially, stronger in A/A genotype. In the stepwise discriminant analysis, TNF-α level, meat intake, HDL-C were associated with MCP-1 in all subjects (model R2 = 24%). TNF-α level, sugar intake, cholesterol intake, and meat intake affected MCP-1 in A/A genotype (model R2 = 82%), but not in G/A or G/G. In conclusion, subjects possessing A/A genotype exhibited higher levels of MCP-1 than other genotypes in Korean elders. Further, meat, sugar, and cholesterol intakes affected the MCP-1 level. Therefore, the decrement of meat, sugar, and cholesterol intakes helps to normalize the MCP-1 level and can decrease CVD risk in A/A genotype.
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KEYWORD
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MCP-1, MCP-1 polymorphism, dietary factors, Korean elders
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