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Mennen, L.I. et al.

Mennen, de Courcy, Guilland, Ducros, Bertrais, Nicolas, Maurel, Zarebska, Favier, Franchisseur, Hercberg, Galan,

Homocysteine, cardiovascular disease risk factors, and habitual diet in the French Supplementation with Antioxidant Vitamins and Minerals Study.

BACKGROUND: An elevated plasma total homocysteine (tHcy) concentration seems to increase the risk of cardiovascular disease. OBJECTIVE: We evaluated the determinants of tHcy in healthy French adults. DESIGN: tHcy was measured by HPLC and fluorometric detection in 1139 women and 931 men aged 35-60 y. Subjects were participants of the Supplementation with Antioxidant Vitamins and Minerals Study, which investigates the effects of antioxidant supplementation on chronic diseases. Red blood cell folate (RBCF), plasma vitamins B-6 and B-12, and cardiovascular disease risk factors were also measured. The habitual diet was assessed in 616 subjects. Cross-sectional analyses were adjusted for age, smoking, energy intake, and concentration or intake of folate and vitamin B-6, where appropriate. RESULTS: The mean (+/-SD) tHcy concentration was 8.74 +/- 2.71 micro mol/L in women and 10.82 +/- 3.49 micro mol/L in men. In women, tHcy was positively related to age (P = 0.001), apolipoprotein B (P < 0.01), serum triacylglycerol (P < 0.01), fasting glucose (P = 0.02), and coffee and alcohol consumption (both P < 0.01) and inversely related to RBCF (P = 0.11) and plasma vitamin B-12 (P = 0.08) and vitamin B-6 (P = 0.01) intakes. In men, tHcy was positively associated with body mass index (P = 0.03), blood pressure (P < 0.02), serum triacylglycerol (P < 0.01), fasting glucose (P = 0.01), and energy intake (P < 0.01) and inversely associated with physical activity (P = 0.04), RCBF (P = 0.02), plasma vitamin B-12 (P = 0.09), and dietary fiber (P < 0.01), folate (P = 0.03), and vitamin B-6 (P = 0.09) intakes. CONCLUSION: To control tHcy, decreasing coffee and alcohol consumption may be important in women, whereas increasing physical activity, dietary fiber, and folate intake may be important in men.[1]

References

Homocysteine, cardiovascular disease risk factors, and habitual diet in the French Supplementation with Antioxidant Vitamins and Minerals Study. Mennen, L.I., de Courcy, G.P., Guilland, J.C., Ducros, V., Bertrais, S., Nicolas, J.P., Maurel, M., Zarebska, M., Favier, A., Franchisseur, C., Hercberg, S., Galan, P. Am. J. Clin. Nutr. (2002) [Pubmed]

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