Chinese Journal of Clinical Anatomy ›› 2014, Vol. 32 ›› Issue (4): 455-457.doi: 10.13418/j.issn.1001-165x.2014.04.020

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Protection and mechanism of dexmedetomidine preconditioning against neuronal injury related to oxygen-glucose deprivation

LI Hong-ying, ZHANG Jian-xing, WANG Yan, YU Wei,  ZHOU Guo-bin   

  1. Department of Anesthesiology, Guangdong General Hospital (Guangdong Academy of Medical Sciences), Guangzhou 510080, China
  • Received:2014-04-20 Online:2014-07-25 Published:2014-08-07

Abstract:

Objective To study the protection and mechanism of dexmedetomidine preconditioning against neuronal injury related to oxygen–glucose deprivation(OGD). Methods Cortical neurons from the embryonic day 16~18 rats were cultured. With mimicking a cerebral ischemia in vitro, OGD was performed in the pretreated cells. Neuron injury was assessed by MTT. Protein expression of p-p38 was examined by Western blot. Results Dexmedetomidine preconditioning protected the dose-dependent cortical neurons from OGD injury. Conclusions Dexmedetomidine preconditioning protects the cortical neuron from OGD injury; inhibition of p38MAPK pathway maybe one of the mechanisms responsible for this effect.

Key words: Dexmedetomidine, Oxygen-glucose deprivation, Cortical neurons, Rats

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