Fatty Fish may Help Boost Male Fertility

by VR Sreeraman on  April 13, 2010 at 4:06 PM Diet & Nutrition News   - G J E 4
 Fatty Fish may Help Boost Male Fertility
Besides keeping the heart healthy, omega-3 fatty acids may also have implications for treating male infertility, say researchers.

Fatty fish are a very good source of omega-3 fatty acids.

"In our experiment, we used 'knockout' mice that lacked the gene responsible for an enzyme important in making docosahexaenoic acid (DHA). In the absence of DHA, male mice are basically infertile, producing few if any misshaped sperm that can't get where they need to go," said Manabu Nakamura, a U of I associate professor of food science and human nutrition.

"We looked at sperm count, shape, and motility and tested the breeding success rate, and the mice lacking DHA simply were not able to breed," said Manuel Roqueta-Rivera, a U of I doctoral student who also worked on the study.

In the DHA-deficient knockout mice, sperm counts were extremely low. The sperm that were produced were round instead of elongated and they were unable to move well, he said.

But, when DHA was introduced into the diet, fertility was completely restored. "It was very striking. When we fed the mice DHA, all these abnormalities were prevented," he said.

This is the first time that the importance of DHA to male fertility has been shown this directly, although some studies have suggested that male fertility patients with low sperm counts and less motile sperm tend to have low levels of this fatty acid.

Source: ANI

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