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Voluntary Exercise Protects Against Methamphetamine-Induced Oxidative Stress In Brain Microvasculature And Disruption Of The Blood--Brain Barrier, Michal Toborek, Melissa J. Seelbach, Cetewayo S. Rashid, Ibolya E. András, Lei Chen, Minseon Park, Karyn A. Esser
Voluntary Exercise Protects Against Methamphetamine-Induced Oxidative Stress In Brain Microvasculature And Disruption Of The Blood--Brain Barrier, Michal Toborek, Melissa J. Seelbach, Cetewayo S. Rashid, Ibolya E. András, Lei Chen, Minseon Park, Karyn A. Esser
Physiology Faculty Publications
BACKGROUND: There is no effective therapeutic intervention developed targeting cerebrovascular toxicity of drugs of abuse, including methamphetamine (METH). We hypothesize that exercise protects against METH-induced disruption of the blood--brain barrier (BBB) by enhancing the antioxidant capacity of cerebral microvessels and modulating caveolae-associated signaling. Mice were subjected to voluntary wheel running for 5 weeks resembling the voluntary pattern of human exercise, followed by injection with METH (10 mg/kg). The frequency, duration, and intensity of each running session were monitored for each mouse via a direct data link to a computer and the running data are analyzed by Clock labTM Analysis software. …