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KMID : 1145020190360030140
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Journal of Acupuncture Research
2019 Volume.36 No. 3 p.140 ~ p.146
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Effects of Snake Venom Pharmacopuncture on a Mouse model of Cerebral Infarction
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Choi Chul-Hoon
Song Ho-Sueb
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Abstract
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Background: This study investigated the effects of Vipera lebetina turanica snake venom (SV) on cerebral infarction induced by middle cerebral artery occlusion in mice.
Methods: Following cerebral infarction, SV was injected intravenously or added to BV2 cell culture. Tissue injury was detected using triphenyltetrazolium chloride (TTC) staining, neurological deficit score, NO, ROS, and GSH/GSSG assays, qPCR, Western blot, and cell viability.
Results: Cerebral infarction caused by middle cerebral artery occlusion as observed by TTC staining, showed SV inhibited cell death, reducing the number of brain cells injured due to infarction. SV treatment for cerebral infarction showed a significant decrease in abnormal behavior, as determined by the neurological deficit score. The oxidation and inflammation of the cells that had cerebral infarction caused by middle cerebral artery occlusion (NO assay, ROS, GSH/GSSG assay, and qPCR), showed significant protection by SV. Western blot of brain infarction cells showed the expression of iNOS, COX-2, p-IkB-α, P38, p-JNK, p-ERK to be lower in the SV group. In addition, the expression of IkB increased. BV2 cells were viable when treated with SV at 20 μg/mL or less. Western blot of BV2 cells, treated with 0.625, 1.5, 2.5 μg/mL of SV, showed a significant decrease in the expression of p-IkB-α, p-JNK, iNOS, and COX-2 on BV2 cells induced by LPS.
Conclusion: SV showed anti-inflammatory and anti-oxidant effects against cerebral infarction and inflammation.
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KEYWORD
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cerebral infarction, inflammation, middle cerebral artery occlusion, pharmacopuncture, snake venom
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