依达拉奉联合灯盏花素对脑缺血大鼠大脑皮质MCP-1的影响

doi:10.13418/j.issn.1001-165x.2018.01.010

Abstract

Abstract:

Objective　This research investigated the expression of MCP-1 in cerebral cortex of rat following middle cerebral artery occlusion (MCAO) and edaravone combination with breviscapine as a treatment of MCP-1 expression.　Methods　Animal models of MCAO were established， and RT-PCR，Western blot and Immunohistochemistry were used to detect the expression of MCP-1 in cerebral cortex of rats after MCAO and drug intervention. Results The expression of MCP-1 mRNA were significantly enhanced after MCAO, and became most severe at 12 h, and the difference was significant (P<0.05). The expression of MCP-1 mRNA was markedly decreased compared with the saline group after drug treatment (P<0.05)； The combination of edaravone plus breviscapine was more effective than edaravone or breviscapine treatment alone (P<0.05). The expression of MCP-1 protein was significantly increased in 1d, 3d, 1 week following MCAO and stayed at a high level (P<0.05), and than obviously decreased compared with the saline group after drug treatment (P<0.05); the combination of edaravone plus breviscapine was more effective than edaravone or breviscapine alone (P<0.05) . Immunofluorescence staining showed that activated microglial cells was co-labeled with MCP-1 positive cells, and the number of MCP-1 positive cells was significantly increased after MCAO peaking at 1week. By the mean time, microglial cells did not exhibit MCP-1 positive cells in saline group.　Conclusion　Edaravone combination with breviscapine as a treatment could decrease the MCP-1 expression after cerebral ischemia, and the combination of edaravone plus breviscapine is more effective than edaravone or breviscapine alone.

Key words: Cerebral ischemia;　Breviscapine;　Edaravone;　Monocyte chemotactic protein 1, 　Rats

LI Fan, CHEN Wei-wei, ZHAO Xiao-shu, ZENG Hong-yan, HAN Hong, SONG Yong-li, YUAN Yun, WU Chun-yun. The effects of edaravone combined with breviscapine treatment on MCP-1 expression in the cerebral cortex after focal cerebral ischemia in rats[J]. Chinese Journal Of Clinical Anatomy, 2018, 36(1): 38-44.

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The effects of edaravone combined with breviscapine treatment on MCP-1 expression in the cerebral cortex after focal cerebral ischemia in rats

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