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A translocator protein 18 kDa agonist protects against cerebral ischemia/reperfusion injury.

Journal of neuroinflammation (2017-07-30)
Han-Dong Li, Minshu Li, Elaine Shi, Wei-Na Jin, Kristofer Wood, Rayna Gonzales, Qiang Liu
ABSTRACT

Cerebral ischemia is a leading cause of death and disability with limited treatment options. Although inflammatory and immune responses participate in ischemic brain injury, the molecular regulators of neuroinflammation after ischemia remain to be defined. Translocator protein 18 kDa (TSPO) mainly localized to the mitochondrial outer membrane is predominantly expressed in glia within the central nervous system during inflammatory conditions. This study investigated the effect of a TSPO agonist, etifoxine, on neuroinflammation and brain injury after ischemia/reperfusion. We used a mouse model of middle cerebral artery occlusion (MCAO) to examine the therapeutic potential and mechanisms of neuroprotection by etifoxine. TSPO was upregulated in Iba1 These findings indicate that the TSPO agonist, etifoxine, reduces neuroinflammation and brain injury after ischemia/reperfusion. The therapeutic potential of targeting TSPO requires further investigations in ischemic stroke.

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Millipore
2,3,5-Triphenyl-tetrazolium chloride solution, suitable for microbiology