DHA Content of Fat Reflects Degree of Coronary Artery Disease and Adiponectin Levels
DHA levels in white adipose tissue are clearly associated with cardiovascular health and the lack of DHA with disease.
Study Title:Adiponectin and marine n-3 fatty acids in patients referred for coronary angiography.
Marine n-3 polyunsaturated fatty acids (n-3 PUFAs) in particular eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) may reduce the risk of coronary heart disease (CHD) and have anti-inflammatory effects. We examined whether levels of serum adiponectin were related to the occurrence and extent of CHD, and whether intake of n-3 PUFAs was associated to high levels of adiponectin. Serum adiponectin and the content of n-3 PUFAs in subcutaneous adipose tissue, platelets and granulocytes were measured in 291 patients referred to elective coronary angiography. Significantly lower levels of serum adiponectin were observed in patients with coronary stenoses compared to patients without stenoses (7336+/-3598 ng/ml vs 10,203+/-8396 ng/ml; p=0.003), but no significant correlation was seen between serum adiponectin and the extent of CHD. In men, serum adiponectin correlated to levels of the content of EPA in platelets (r=0.26; p<0.01) and in granulocytes (r=0.23; p<0.01) and to the content of DHA in subcutaneous adipose tissue (r=0.15; p<0.05) and granulocytes (r=0.17; p<0.05). After regression analysis EPA in platelets (p=0.017) and granulocytes (p=0.030) remained an independent correlate of adiponectin levels, while DHA was no longer an independent correlate. In conclusion, serum levels of adiponectin were lower in patients with angiographically documented coronary artery disease. Also, intake of EPA may increase serum adiponectin and through this exert a protective effect on CHD.
Rasmussen JG, Christensen JH, Schmidt EB. Adiponectin and marine n-3 fatty acids in patients referred for coronary angiography. Int J Cardiol. 2009 June 26;135(2):248-50.
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