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Common food supplement fights degenerative brain disorders
Date:5/21/2013

Widely available in pharmacies and health stores, phosphatidylserine is a natural food supplement produced from beef, oysters, and soy. Proven to improve cognition and slow memory loss, it's a popular treatment for older people experiencing memory impairment. Now a team headed by Prof. Gil Ast and Dr. Ron Bochner of Tel Aviv University's Department of Human Molecular Genetics have discovered that the same supplement improves the functioning of genes involved in degenerative brain disorders, including Parkinson's disease and Familial Dysautonomia (FD).

In FD, a rare genetic disorder that impacts the nervous system and appears almost exclusively in the Ashkenazi Jewish population, a genetic mutation prevents the brain from manufacturing healthy IKAP proteins which likely have a hand in cell migration and aiding connections between nerves leading to the early degeneration of neurons. When the supplement was applied to cells taken from FD patients, the gene function improved and an elevation in the level of IKAP protein was observed, reports Prof. Ast. These results were replicated in a second experiment which involved administering the supplement orally to mouse populations with FD.

The findings, which have been published in the journal Human Molecular Genetics, are very encouraging, says Prof. Ast. "That we see such an effect on the brain the most important organ in relation to this disease shows that the supplement can pass through the blood-brain barrier even when administered orally, and accumulate in sufficient amounts in the brain."

Slowing the death of nerve cells

Already approved for use as a supplement by the FDA, phosphatidylserine contains a molecule essential for transmitting signals between nerve cells in the brain. Prof. Ast and his fellow researchers decided to test whether the same chemical, which is naturally synthesized in the body and known to boost memory capability, could impact th
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Contact: George Hunka
ghunka@aftau.org
212-742-9070
American Friends of Tel Aviv University
Source:Eurekalert

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