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Intake of n-3 fatty acids from fish does not lower serum concentrations of C-reactive protein in healthy subjects

Geelen, A.; Brouwer, I. A.; Schouten, E. G.; Kluft, C.; Katan, M. B.; Zock, P. L.

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PMID: 15100717


OBJECTIVE: High-sensitivity C-reactive protein (CRP), a marker of systemic inflammation, is a powerful predictor of cardiovascular risk. We hypothesised that n-3 fatty acids reduce underlying inflammatory processes and consequently CRP concentrations in healthy middle-aged subjects. DESIGN: Placebo-controlled, double-blind study. SUBJECTS: A total of 43 men and 41 postmenopausal women aged 50-70 y. Before and after intervention, we measured serum CRP concentrations with an enzyme immunoassay. INTERVENTIONS: Capsules with either 3.5 g/day fish oil (1.5 g/day n-3 fatty acids) or placebo for 12 weeks. RESULTS: The median CRP change in the fish oil group did not significantly differ from that in the placebo group (0.01 vs -0.17 mg/l, P = 0.057). CONCLUSION: The currently available data--including ours--do not support that beneficial effects on CRP are involved in a mechanism explaining the protective effect on heart disease risk of n-3 fatty acids as present in fish.

Automatic Tags

Female; Humans; Male; Aged; Middle Aged; Double-Blind Method; Fatty Acids, Omega-3; Dietary Fats, Unsaturated; Biomarkers; C-Reactive Protein; Seafood; Fishes; Immunoenzyme Techniques

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