Electroacupuncture Ameliorates Learning and Memory via Activation of the CREB Signaling Pathway in the Hippocampus to Attenuate Apoptosis after Cerebral Hypoperfusion
Studies have shown that electroacupuncture (EA) ameliorates learning and memory after ischemic injury. However, there have been few studies elucidating the mechanisms of EA on learning and memory in cerebral hypoperfusion. In this study, we explored the cAMP response element-binding protein (CREB) signaling pathway-mediated antiapoptotic action involved in EA-induced improvement of learning and memory. EA at GV20 and GV14 acupoints was applied in cerebral hypoperfusion rats. A Morris watermaze task was performed, and the immunoreactivities of pCREB, Bcl-2, and Bax in the hippocampal CA1 area were evaluated by the Western blotting technique. Our findings indicated that (1) EA ameliorated spatial learning and memory impairment in cerebral hypoperfusion rats; (2) EA increased the immunoreactivities of pCREB and Bcl-2 and decreased the immunoreactivity of Bax; (3) intracerebroventricular administration of H89 (the inhibitor of protein kinase A) blocked EA-induced, pCREB-mediated antiapoptotic action and improved learning and memory. These results suggest that EA can ameliorate learning and memory via activation of the CREB signaling pathway in the hippocampus to attenuate apoptosis after cerebral hypoperfusion.
基金:
China's National Natural Science FoundationNational Natural Science Foundation of China (NSFC) [81171858, 81071601]
第一作者单位:[1]Huazhong Univ Sci & Technol, Tongji Med Coll, Tongji Hosp, Dept Rehabil Med, Wuhan 430030, Peoples R China
通讯作者:
推荐引用方式(GB/T 7714):
Han Xiaohua,Zhao Xiuxiu,Lu Min,et al.Electroacupuncture Ameliorates Learning and Memory via Activation of the CREB Signaling Pathway in the Hippocampus to Attenuate Apoptosis after Cerebral Hypoperfusion[J].EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE.2013,2013:doi:10.1155/2013/156489.
APA:
Han, Xiaohua,Zhao, Xiuxiu,Lu, Min,Liu, Fang,Guo, Feng...&Huang, Xiaolin.(2013).Electroacupuncture Ameliorates Learning and Memory via Activation of the CREB Signaling Pathway in the Hippocampus to Attenuate Apoptosis after Cerebral Hypoperfusion.EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE,2013,
MLA:
Han, Xiaohua,et al."Electroacupuncture Ameliorates Learning and Memory via Activation of the CREB Signaling Pathway in the Hippocampus to Attenuate Apoptosis after Cerebral Hypoperfusion".EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2013.(2013)