Fat's healing properties may be used to fight heart disease

Jul 22 2014, 18:48 IST
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Scientists have found that the right kind of dietary fat can keep the heart healthy. (Photo: Thinkstock) Scientists have found that the right kind of dietary fat can keep the heart healthy. (Photo: Thinkstock)
SummaryScientists have found that the right kind of dietary fat can keep the heart healthy.

Scientists have found that the right kind of dietary fat can keep the heart healthy.

Unsaturated dietary fatty acids, such as eicosapentaenoic acid (EPA), are known to protect against cardiovascular diseases. However, the mechanism and the specific fat metabolites responsible for this protection were unknown.

A group of Japanese scientists have now shown that mice engineered to produce their own EPA are protected against heart disease and have improved cardiac function.

One particular EPA metabolite, called 18-hydroxyeicosapentaenoic acid (18-HEPE), is required for this protection, scientists said.

The EPA metabolite was produced by immune cells called macrophages, which dampened inflammation and fibrosis in the heart. Treatment with 18-HEPE confirmed its heart-protective effects.

A diet enriched in 18-HEPE might thus help prevent heart failure in patients with cardiovascular diseases, researchers said.

The study was published in The Journal of Experimental Medicine.

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