Scientists have identified a blood protein that may increase the risk of heart attacks, cancer and other diseases, giving doctors a potential new way to identify people most at risk.

A newly approved test for the protein, known as galectin-3, could be a useful new way to determine the risk and prognosis of key diseases in some people, according to a report presented at a meeting of the American Chemical Society last week.

Dr. Isaac Eliaz, who outlined the scientific findings on galectin-3, noted the new blood test approved by the U.S. Food and Drug Administration may also help doctor plan treatments for cancers and heart disease.
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His presentation included details on a new study showing modified citrus pectin, produced from the white pulp inside orange peel and other citrus fruit, can bind to and block the effects of the protein.

Since the body cannot absorb natural citrus pectin, it passes through the gastrointestinal tract undigested, Eliaz explained. Modification permits its absorption into the blood, where it blocks the negative effects of galectin-3.

Eliaz said his conclusions were based on studies involving close to 8,000 people.
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