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Connexin43 (Cx43) is one of the most abundant gap junction proteins in the central nervous system. Abnormal opening of Cx43 hemichannels after ischemic insults causes apoptotic cell death. In this study, we found persistently increased expression of Cx43 8 h to 7 d after hypoxia/ischemia (HI) injury in neonatal rats. Pre-treatment with Gap26 and Gap27, two(More)
7,8-Dihydroxy-4-methylcoumarin (Dhmc) is a precursor in the synthesis of derivatives of 4-methyl coumarin, which has excellent radical scavenging properties. In this study, we investigated whether Dhmc protects against oxidative stress and ischemic brain injury. We found that Dhmc protected against glutamate toxicity in hippocampal HT-22 cells in a(More)
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