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https://www.selleckchem.com/products/unc5293.html The inner membrane of mitochondria is known for its low lipid-to-protein ratio. Calculations based on the size and the concentration of the principal membrane components, suggest about half of the hydrophobic volume of the membrane is occupied by proteins. Such high degree of crowding is expected to strain the hydrophobic coupling between proteins and lipids unless stabilizing mechanisms are in place. Both protein supercomplexes and cardiolipin are likely to be critical for the integrity of the inner mitochondrial membrane because they reduce the energy penalty of crowding.Traumatic brain injury (TBI) has been regarded as one of the leading cause of injury-related death and disability. White matter injury after TBI is characterized by axon damage and demyelination, resulting in neural network impairment and neurological deficit. Brain-derived neurotrophic factor (BDNF) can promote white matter repair. The activation of peroxisome proliferator-activated receptor gamma (PPARγ) has been reported to promote microglia/macrophages towards anti-inflammatory state and therefore to promote axon regeneration. Bexarotene, an agonist of retinoid X receptor (RXR), can activate RXR/PPARγ heterodimers. The aim of the present study was to identify the effect of bexarotene on BDNF in microglia/macrophages and axon sprouting after TBI in mice. Bexarotene was administered intraperitoneally in C57BL/6 mice undergoing controlled cortical impact (CCI). PPARγ dependency was determined by intraperitoneal administration of a PPARγ antagonist T0070907. We found that bexarotene promoted axon regeneration indicated by increased growth associated protein 43 (GAP43) expression, myelin basic protein (MBP) expression, and biotinylated dextran amine (BDA)+ axon sprouting. Bexarotene also increased microglia/macrophages-specific brain derived neurotrophic factor (BDNF) expression after TBI. In addition, bexarotene reduced the number of pro-inflammato

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