Omega3 EPA maybe key to brain function ,regulates dopamine turnover and inhibits loss of myelin

EPA levels within the brain are low in comparison to that of DHA, but this fatty acid plays an important neuroactive role and may have benefits over DHA in treating Parkinson’s disease. Firstly, EPA is a natural precursor to the synthesis of DHA and also blocks the production of an enzyme called PLA2, which releases DHA from cell membranes. By blocking this enzyme, EPA therefore helps to maintain cell membrane integrity within the brain. EPA is also a potent anti-inflammatory, and, unlike DHA, can directly inhibit the production of inflammatory products from the omega-6 arachidonic acid, which themselves are known to contribute to the progression of Parkinson’s. EPA, again preferentially over DHA, is also involved in myelinogenesis by stimulating the production of several myelin proteins which are thought to be key to the inhibition of loss of myelin and therefore brain atrophy.3,4 More recently, EPA has been suggested to regulate dopamine turnover and down-regulate genes involved in neuronal cell death pathways, thus further supporting a beneficial role for ethyl-EPA supplementation as both a preventative and therapeutic tool in neurodegenerative

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