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Omega-3 PUFA attenuate mice myocardial infarction injury by emerging a protective eicosanoid pattern

Xuan Fang, Wenbin Cai, Qian Cheng, Ding Ai, Xian Wang, Bruce D. Hammock, Yi Zhu, Xu Zhang
Prostaglandins & Other Lipid Mediators2018
Omega-3 polyunsaturated fatty acid (n-3 PUFA) supplementation is a recommended preventive approach against cardiovascular diseases, but its mechanism of protection against myocardial infarction (MI) injury is not fully understood. Eicosanoid metabolomics demonstrated an abnormal eicosanoid profile was in the plasma of mice receiving MI surgery. 19,20-EDP, 17,18-EEQ, 14,15-EET and 9,10-EpOME were decreased, and PGE2was increased by the surgery. N-3 PUFA-rich diets feeding or transgene of Fat-1 shifted the eicosanoid profile to an n-3 PUFA dominant style and attenuated the myocardial infarction injury. Multiple logistic regression analysis suggested the degree of MI injury was related with an eicosanoid pattern, composed by eicosanoids derived from both n-3 and n-6 PUFA in the three enzymatic pathways. These results suggested the benefits of n-3 PUFA on MI was achieved synergistically.
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