目的采用针刺百会、四神聪穴位的方法,干预脑缺血再灌注损伤模型大鼠,通过对各组大鼠脑缺血半暗带组织中NF-κB、IκB蛋白表达水平的检测,探讨针刺百会、四神聪治疗缺血性脑病的部分作用机制。方法SPF级SD大鼠45只,将大鼠随机分为2组:...目的采用针刺百会、四神聪穴位的方法,干预脑缺血再灌注损伤模型大鼠,通过对各组大鼠脑缺血半暗带组织中NF-κB、IκB蛋白表达水平的检测,探讨针刺百会、四神聪治疗缺血性脑病的部分作用机制。方法SPF级SD大鼠45只,将大鼠随机分为2组:假手术组(15只);造模组(30只)。然后采用改良线栓法对造模组30只大鼠进行CIRI模型复制,评价模型成功后,再将成功的动物模型随机分为2组:非穴区对照组和针刺组。最终实验分为3组,即:假手术组、非穴区对照组和针刺组。假手术组大鼠采用相同术式但不予线栓干预。模型复制成功后,针刺组大鼠给予百会、四神聪穴针刺干预,间隔8 h 1次,至再灌注72 h结束;非穴区对照组大鼠分别于百会、四神聪穴区周边5 mm处进行针刺皮肤干预,间隔8 h 1次,至再灌注72 h结束。末次针刺后1 h,过量麻醉法处死大鼠,取脑组织,去除缺血液化区组织后,沿缺血灶走行,剥离缺血灶周边2 mm区域内半暗带组织,用于NF-κB、IκB蛋白表达水平的检测。结果假手术组神经功能缺损评分为0,TTC染色未见梗死灶。非穴区对照组和针刺组神经功能缺损评分和梗死百分比均具有显著的统计学差异。与假手术组比较,非穴区对照组和针刺组大鼠缺血半暗带组织中NF-κB表达水平显著上调(P<0.01),IκB蛋白表达水平显著下降(P<0.01),有统计学差异;针刺干预后,与非穴区对照组比较,针刺组大鼠缺血半暗带组织中NF-κB表达水平显著下调(P<0.01),IκB蛋白表达水平显著上调(P<0.01),有统计学差异。结论针刺百会、四神聪穴可明显降低脑缺血再灌注损伤模型大鼠神经功能缺损评分,减小梗死百分比。其作用机制可能是通过调节NF-κB信号通路实现的。展开更多
The basic rule of traditional Chinese medicine,different diseases treated in the same way,refers to the phenomenon that treating different diseases with the same pathogenesis by adopting the same method,which has cons...The basic rule of traditional Chinese medicine,different diseases treated in the same way,refers to the phenomenon that treating different diseases with the same pathogenesis by adopting the same method,which has considerable guiding significance in acupuncture at Changqiang(长强 GV 1) during clinical practices.In this study,by integrating distal end therapeutic effect of meridians and collaterals and acupoints,and yin-yang of traditional Chinese medicine and signal pathway and biological holographic law of western medicine,the mechanism of acupuncture at GV 1 in treatment of multiple cognitive disorderrelated diseases was analyzed,so as to expand the application of acupuncture at GV 1.展开更多
文摘目的采用针刺百会、四神聪穴位的方法,干预脑缺血再灌注损伤模型大鼠,通过对各组大鼠脑缺血半暗带组织中NF-κB、IκB蛋白表达水平的检测,探讨针刺百会、四神聪治疗缺血性脑病的部分作用机制。方法SPF级SD大鼠45只,将大鼠随机分为2组:假手术组(15只);造模组(30只)。然后采用改良线栓法对造模组30只大鼠进行CIRI模型复制,评价模型成功后,再将成功的动物模型随机分为2组:非穴区对照组和针刺组。最终实验分为3组,即:假手术组、非穴区对照组和针刺组。假手术组大鼠采用相同术式但不予线栓干预。模型复制成功后,针刺组大鼠给予百会、四神聪穴针刺干预,间隔8 h 1次,至再灌注72 h结束;非穴区对照组大鼠分别于百会、四神聪穴区周边5 mm处进行针刺皮肤干预,间隔8 h 1次,至再灌注72 h结束。末次针刺后1 h,过量麻醉法处死大鼠,取脑组织,去除缺血液化区组织后,沿缺血灶走行,剥离缺血灶周边2 mm区域内半暗带组织,用于NF-κB、IκB蛋白表达水平的检测。结果假手术组神经功能缺损评分为0,TTC染色未见梗死灶。非穴区对照组和针刺组神经功能缺损评分和梗死百分比均具有显著的统计学差异。与假手术组比较,非穴区对照组和针刺组大鼠缺血半暗带组织中NF-κB表达水平显著上调(P<0.01),IκB蛋白表达水平显著下降(P<0.01),有统计学差异;针刺干预后,与非穴区对照组比较,针刺组大鼠缺血半暗带组织中NF-κB表达水平显著下调(P<0.01),IκB蛋白表达水平显著上调(P<0.01),有统计学差异。结论针刺百会、四神聪穴可明显降低脑缺血再灌注损伤模型大鼠神经功能缺损评分,减小梗死百分比。其作用机制可能是通过调节NF-κB信号通路实现的。
基金National Natural Science Foundation of China:81373720Collaborative project of Institute of Acupuncture and Moxibustion of China Academy of Chinese Medical Sciences:zzkf08001
文摘The basic rule of traditional Chinese medicine,different diseases treated in the same way,refers to the phenomenon that treating different diseases with the same pathogenesis by adopting the same method,which has considerable guiding significance in acupuncture at Changqiang(长强 GV 1) during clinical practices.In this study,by integrating distal end therapeutic effect of meridians and collaterals and acupoints,and yin-yang of traditional Chinese medicine and signal pathway and biological holographic law of western medicine,the mechanism of acupuncture at GV 1 in treatment of multiple cognitive disorderrelated diseases was analyzed,so as to expand the application of acupuncture at GV 1.