首页> 外文期刊>American Journal of Physiology >C2 spinal cord stimulation induces dynorphin release from rat T4 spinal cord potential modulation of myocardial ischemia-sensitive neurons
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C2 spinal cord stimulation induces dynorphin release from rat T4 spinal cord potential modulation of myocardial ischemia-sensitive neurons

机译:C2脊髓刺激诱导强啡肽从大鼠T4脊髓释放对心肌缺血敏感神经元的电位调节

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2) if one of the sources of this analgesic peptide was cervical propriospinal neurons, and 3) if chemical inactivation of C2 neurons altered local T4 substance P (SP) release during concurrent C2 SCS and cardiac ischemia. Ischemia was induced by intermittent occlusion of the left anterior descending coronary artery (CoAO) in urethane-anesthetized Sprague-Dawley rats. Release of dynorphin A (1-13), (DYN) and SP was determined using antibody-coated micro-probes inserted into T4. SCS alone induced DYN release from laminae I-V in T4, and this release was maintained during CoAO. C2 injection of the excitotoxin, ibotenic acid, prior to SCS, inhibited T4 DYN release during SCS and ischemia
机译:2)这种止痛肽的来源之一是颈椎脊髓神经元,3)C2神经元的化学失活是否会在同时发生的C2 SCS和心脏缺血期间改变局部T4物质P(SP)的释放。尿烷麻醉的Sprague-Dawley大鼠的冠状动脉左前降支间歇性阻塞可引起局部缺血。使用插入T4的抗体包被的微探针测定强啡肽A(1-13),(DYN)和SP的释放。单独的SCS诱导了T4中层板IV的DYN释放,并且该释放在CoAO期间得以维持。在SCS之前,通过C2注射兴奋性毒素,异丁酸来抑制SCS和局部缺血期间T4 DYN的释放

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