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Mfsd2a Attenuates Blood-Brain Barrier Disruption After Sub-arachnoid Hemorrhage by Inhibiting Caveolae-Mediated Transcellular Transport in Rats
In this study, a prechiasmatic cistern single-injection model was used to produce experimental SAH in Sprague-Dawley rats. Specific small-interfering RNA and plasmids were used to downregulate and upregulate the expression of Mfsd2a prior to assessments in our SAH model. Omega-3 fatty acid deficiency diet was used to reduce DHA in rat brain. The expression level of Mfsd2a decreased significantly after SAH and reached its lowest level at 72  h post-SAH, which then gradually recovered. At 72 h after SAH, BBB function was disrupted; upregulation of Mfsd2a reversed this damage, whereas downregulation of Mfsd2a exacerbated th...
Source: Translational Stroke Research - January 5, 2020 Category: Neurology Source Type: research

Delayed Docosahexaenoic Acid Treatment Combined with Dietary Supplementation of Omega-3 Fatty Acids Promotes Long-Term Neurovascular Restoration After Ischemic Stroke
In this study, we investigated the effect of n-3 PUFA supplementation, as well as in combination with docosahexaenoic acid (DHA) injections, on long-term stroke outcomes. Mice were subjected to transient middle cerebral artery occlusion (MCAO) before randomly assigned to four groups to receive the following: (1) low dose of n-3 PUFAs as the vehicle control, (2) intraperitoneal DHA injections, (3) n-3 PUFA dietary supplement, or (4) combined treatment of (2) and (3). Neurological deficits and brain atrophy, neurogenesis, angiogenesis, and glial scar formation were assessed up to 28  days after MCAO. Results revealed that g...
Source: Translational Stroke Research - August 26, 2016 Category: Neurology Source Type: research