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Mild traumatic brain injury increases vulnerability to cerebral ischemia in mice
Exp Neurol. 2021 May 13:113765. doi: 10.1016/j.expneurol.2021.113765. Online ahead of print.ABSTRACTRecent studies have reported that TBI is an independent risk factor for subsequent stroke. Here, we tested the hypothesis that TBI would exacerbate experimental stroke outcomes via alternations in neuroimmune and neurometabolic function. We performed a mild closed-head TBI and then one week later induced an experimental stroke in adult male mice. Mice that had previously experienced TBI exhibited larger infarcts, greater functional deficits, and more pronounced neuroinflammatory responses to stroke. We hypothesized that impa...
Source: Experimental Neurology - May 16, 2021 Category: Neurology Authors: Zachary M Weil Kate Karelina Bailey Whitehead Ruth Velazquez-Cruz Robin Oliverio Mark Pinti Divine C Nwafor Samuel Nicholson Julie A Fitzgerald John Hollander Candice M Brown Ning Zhang A Courtney DeVries Source Type: research

The effect of type 2 diabetes on CD36 expression and the uptake of oxLDL: Diabetes affects CD36 and oxLDL uptake.
Abstract We investigated whether type 2 diabetes mellitus (T2DM), a risk factor of stroke, affects the level of scavenger receptor CD36 and the uptake of its ligand, oxidized LDL (oxLDL); and whether pioglitazone, a drug that enhances CD36, promotes oxLDL uptake. Compared to normoglycemic db/+ mice, adult db/db mice showed a pronounced reduction in surface CD36 expression on myeloid cells from the blood, brain, and bone marrow as detected by flow cytometry, which correlated with elevated plasma soluble-CD36 as determined by ELISA. Increased CD36 expression was found in brain macrophages and microglia of both genot...
Source: Experimental Neurology - September 10, 2020 Category: Neurology Authors: Kanoke A, Nishijima Y, Ljungberg M, Omodaka S, Yang SY, Wong S, Rabiller G, Tominaga T, Hsieh CL, Liu J Tags: Exp Neurol Source Type: research