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- W2020730004 abstract "Since the pivotal role of long chain omega-3 (n-3) polyunsaturated fatty acids (PUFA) in brain structure and development became apparent in the 1970s, these lipids have been investigated in relation to a range of psychiatric disorders, with some positive and some conflicting evidence to support their use as a supplementary treatment for various symptoms. A number of mechanisms of action have been proposed to account for their potential benefits, largely based on their structural role in brain development and purported influences on central neurotransmission. Theories on the pathogenesis of mental health and psychiatric illness have traditionally focused on the role of neurotransmitters, although there is also ample evidence that psychiatric disorders are associated with impaired cerebral blood flow (CBF) or impairments in blood-brain barrier (BBB) function. Associations between cardiovascular and psychiatric pathologies are further indicative of a possible underlying vascular component to psychiatric illness. We hypothesise that treatment with vasoactive nutrients that can improve cerebral perfusion may help to improve a variety of mental disorders. In presenting our hypothesis, we provide an overview of cerebral vascular function, focusing specifically on the role of the endothelium in CBF and BBB integrity, and review evidence for associations between impaired CBF/endothelial function and psychiatric illness. Then, as an example of a potential treatment, we review the influence of n-3 PUFA on endothelial function, drawing on evidence of anti-inflammatory, anti-aggregatory and vasodilatory roles in blood flow and vascular permeability. We hypothesise that n-3 PUFA may act on the blood side of the BBB as well as on central neural pathways to influence cerebral functions. In the former case, they may act on endothelial cells to influence both vasodilation and selective permeability, thereby assisting in CBF and delivery of oxygen and glucose to brain tissue in response to requirements." @default.
- W2020730004 created "2016-06-24" @default.
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- W2020730004 date "2008-01-01" @default.
- W2020730004 modified "2023-10-06" @default.
- W2020730004 title "Mental health benefits of omega-3 fatty acids may be mediated by improvements in cerebral vascular function" @default.
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- W2020730004 doi "https://doi.org/10.1016/j.bihy.2008.02.003" @default.
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