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Mitch
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Pridružen/-a: 11.09. 2008, 06:27
Prispevkov: 2136
Kraj: Nova Gorica
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 Objavljeno: 26 Avg 2011 10:34 Naslov sporočila: Omega 3 zmanjšuje poškodbe možganov po možg.kapi |
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Prehrana, bogata z omega-3 maščobami zmanjša resnost poškodb možganov po možganski kapi, glede na novo študijo.
Raziskava, ki je bila opravljena na miših je pokazala, da je bil obseg poškodb možganov po kapi zmanjša za 25% pri miših, ki uživajo dnevno omega-3 maščobe tipa DHA.
Researchers observed that the effects of stroke were less severe in mice that had been fed a diet rich in DHA for three months than in mice fed a control diet. In mice from the DHA group, they saw a reduction in the concentrations of molecules that stimulate tissue inflammation and, conversely, a larger quantity of molecules that prevent the activation of cell death.
"This is the first convincing demonstration of the powerful anti-inflammatory effect of DHA in the brain," underscored Frédéric Calon of Université Laval's Faculty of Pharmacy. This protective effect results from the substitution of molecules in the neuronal membrane: DHA partially replaces arachidonic acid, an omega-6 fatty acid known for its inflammatory properties.
"The consumption of omega-3s creates an anti-inflammatory and neuroprotective environment in the brain that mitigates damage following a stroke," summarized Jasna Kriz, of Université Laval's Faculty of Medicine. "It prevents an acute inflammatory response that, if not controlled, is harmful to brain tissue."
Professor Calon believes that this anti-inflammatory effect is likely transferable to humans. "Since DHA is readily available, inexpensive, and reduces the risk of a number of health problems without causing significant side effects, the risk-benefit ratio tends to favor the regular consumption of fish or DHA," he concluded.
In addition to Kriz and Calon, the study was co-authored by Mélanie Lalancette-Hébert, Pierre Cordeau, Carl Julien, Ivan Bohacek, and Yuan-Cheng Weng. The authors are all members of the CHUQ Research Center.
Vir: Université Laval (2011, August 25 ). Omega-3s reduce stroke severity, study suggests. ScienceDaily. Retrieved August 26, 2011, from
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Mitch
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Pridružen/-a: 11.09. 2008, 06:27
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Kraj: Nova Gorica
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