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JOURNAL ARTICLE
RESEARCH SUPPORT, NON-U.S. GOV'T
Enriched Endogenous Omega-3 Fatty Acids in Mice Ameliorate Parenchymal Cell Death After Traumatic Brain Injury.
Molecular Neurobiology 2017 July
Currently no effective therapies are available for the treatment of traumatic brain injury (TBI). Early intervention that specifically provides neuroprotection is of most importance which profoundly influences the outcome of TBI. In the present study, we adopted a closed-skull mild TBI model to investigate potential roles of omega-3 polyunsaturated fatty acids (ω-3 PUFAs) in protecting against TBI. Using two-photon laser scanning microscopy (2PLSM), parenchymal cell death and reactive oxidative species (ROS) expression were directly observed and recorded after TBI through a thinned skull bone window. Fat-1 mice with high endogenous ω-3 PUFAs significantly inhibited ROS expression and attenuated parenchymal cell death after compression injury during the early injury phase. Elevated generation of glutathione (GSH) and neuroprotectin D1 (NPD1) in the parenchyma of fat-1 mice could be the contributor to the beneficial role of ω-3 PUFAs in TBI. The results of the study suggest that ω-3 PUFAs is an effective neuroprotectant as an early pharmacological intervention for TBI and the information derived from this study may help guide dietary advice for those who are susceptible to repetitive mild TBI.
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