期刊
CURRENT OPINION IN CLINICAL NUTRITION AND METABOLIC CARE
卷 18, 期 2, 页码 139-146出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/MCO.0000000000000141
关键词
aging; neurogenesis; neuroprotection; neurotransmission; omega-3 polyunsaturated fatty acids
资金
- French National Research Agency (Agence Nationale de la Recherche [ANR], Paris, France) [ANR-09-ALIA-006-01]
Purpose of review The literature on the influence of dietary omega-3 polyunsaturated fatty acid (omega-3 PUFA) on brain aging has grown exponentially during the last decade. Many avenues have been explored but no global picture or clear evidence has emerged. Experimental studies have shown that omega-3 PUFA is involved in many neurobiological processes that are involved in neurotransmission and neuroprotection, indicating that these PUFAs may prevent age-related brain damage. Human studies have revealed only a weak link between omega-3 PUFA status and cognitive aging, whereas interventional studies have yet to confirm it. The purpose of this review is to analyze the developments in the area during the last 2 years. Recent findings Human brain MRI studies have confirmed previous findings that omega-3 PUFA can protect the brain during aging; two intervention studies obtained clear evidence. We also analyzed the experimental data clarifying the involvement of omega-3 PUFA in neurotransmission, neuroprotection (including prevention of peroxidation, inflammation, and excitotoxicity), and neurogenesis, thereby helping the brain cope with aging. Summary These recent human and experimental studies provide support for and clarification of how omega-3 PUFA protect against brain aging and highlight the main lines for future research.
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