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Effect of electro-acupuncture on the expression of heat shock protein-70 gene in rat spinal cords following spinal cord injury

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Neural Regeneration Research 2007年第12期2卷 722-726页

作者： Zean Zhang Qiangli Wang Yuzhu Zhi Jie Li Hiroko Nonaka Kazutoshi Sibuya Department of Histology and Embryology Shanghai University of Traditional Chinese Medicine Shanghai 201203 China Department of Surgical Pathology Toho University School of Medicine Tokyo 143-8540 Japan

BACKGROUND： It is generally believed that the mechanism by which heat shock protein-70 （HSP70） protects cells is related to its effectiveness in maintaining the normal stereochemical structure of intracellular proteins, and in participating in the process of cell apoptosis. Whether electro-acupuncture participates in HSP70 expression and produces neuroprotective effects remain unclear. OBJECTIVE： This study aimed at detecting HSP70 expression after electro-acupuncture in rats with transected spinal cord, in order to further validate the mechanism of electro-acupuncture-induced effects in the treatment of spinal cord injury. DESIGN： A controlled observational experiment. SETTING： Shanghai University of Traditional Chinese Medicine and Toho University, School of Medicine. MATERIALS： Seventy adult male Sprague-Dawley rats of SPF grade, weighing 200± 20 g, were provided by the Laboratory Animal Center of Shanghai University of Traditional Chinese Medicine, with permission No. SYXK （hu） 2004 - 2005. The animals were handled in accordance with the requests from Animal Ethics Committees for guidance. A G6805-2 multiple purpose treatment machine was used （Shanghai Medical Instruments High-Tech Co.,Ltd., Shanghai, China）. METHODS： This study was carried out in the state level laboratories of Shanghai University of Traditional Chinese Medicine and Toho University, School of Medicine between January 2005 and July 2007. The rats were randomly divided into the electro-acupuncture treated group, which received electro-acupuncture treatment in addition to spinal cord surgery and the control group, which received only spinal cord surgery, with 35 rats in each group. All the rats underwent the same surgery consisting of spinal cord transection at the T10 level. If the spinal cord was completely transected and the two posterior limbs were completely paralyzed, then the surgery was considered successful and the animal was kept for further analysis and testing. After surgery, rats in the experimental group were electro-acu

关键词： electro-acupuncture spinal cord injury heat shock protein-70 rats

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Role of the nucleus tractus solitarii in the protection of pre-moxibustion on gastric mucosal lesions

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Neural Regeneration Research 2014年第2期9卷 198-204页

作者： Liang Peng Mi Liu Xiaorong Chang Zhou Yang Shouxiang Yi Jie Yan Yan Peng College of Acupuncture and Tuina Hunan University of Chinese Medicine

Previous studies have shown that somatic sensation by acupuncture and visceral nociceptive stimulation can converge in the nucleus tractus solitarii where neurons integrate signals impact- ing on the function of organs. To explore the role of the nucleus tractus solitarii in the protective mechanism of pre-moxibustion on gastric mucosa, nucleus tractus solitarii were damaged in rats and pre-moxibustion treatment at the Zusanli （ST36） point followed. The gastric mucosa was then damaged by the anhydrous ethanol lavage method. Morphological observations, enzyme linked immunosorbent assays, and western immunoblot analyses showed that gastric mucosa surface lesion and the infiltration of inflammatory cells were significantly ameliorated after pre-moxibustion treatment. Furthermore, the gastric mucosal damage index and somatostatin level were reduced, and epidermal growth factor content in the gastric mucosa and heat-shock protein-70 expression were increased. These results were reversed by damage to the nucleus tractus solitarii. These findings suggest that moxibustion pretreatment at the Zusanli point is protective against acute gastric mucosa injury, and nucleus tractus solitarii damage inhibits these responses. Therefore, the nucleus tractus solitarii may be an important area for regulating the signal transduction of the protective effect of pre-moxibustion on gastric mucosa.

关键词： nerve regeneration traditional Chinese medicine moxibustion nucleus tractus solitarii gastric mucosal lesion heat shock protein-70 epidermal growth factor somatostatin NSFC grant neural regeneration

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