水浸應(yīng)激型胃潰瘍寒熱證模型的建立與相關(guān)性方劑對其影響的研究
[Abstract]:Objective: to explore the mechanism of stress ulcer cold and heat syndrome and reveal the essence of stress ulcer cold and heat syndrome by combining the water-immersion stress gastric ulcer disease model with traditional Chinese medicine cold and heat syndrome. To observe the action mechanism and the corresponding law of formula of rhubarb, Huanglian Xiexin decoction and Lizhong Pill on stress type ulcer model of cold and heat syndromes, and to observe the effect of rhubarb and Huanglian Xiexin decoction on the model of stress ulcer and heat syndrome. Methods: cold factors (ice water, 0.3mol/L sodium hydroxide) and heat factors (8% capsicum powder, 60% ethanol) were used to establish gastric cold and gastric heat syndrome model. Heat syndrome combined model, cold formula rhubarb, Huanglian Xiexin decoction, heat prescription Lizhong pills were treated by gastric perfusion. 1. After 7 hours of restraint water immersion stress, the rats of each model and drug group were killed. The ulcer index and serum levels of tumor necrosis factor (TNF-a), interleukin-8 (IL-8), endothelin (ET),) nitric oxide (NO), synthase (INOS) were measured in each model and administration group. 2. The contents of epidermal growth factor (EGF), transforming growth factor (TGF-a) and superoxide dismutase (SOD),) malondialdehyde (MDA) were detected in gastric homogenate. 3. The contents of 5-hydroxytryptamine (5-HT) and norepinephrine (NE) were measured in brain homogenate. Results: 1, the ulcer index of cold water group, hot water group and single water group were significantly higher than that of single water group (P < 0.01). Compared with cold water group and hot water group, cold water and hot water decreased significantly (P < 0. 01). 2. In SOD,EGF and TGF-a, cold water and hot water decreased in different degrees compared with blank group (P < 0. 01). The content of TGF-a in hot water group was lower than that in cold water group (P < 0. 01). The contents of cold water, hot water and hot water were significantly higher than those of hot water (P < 0. 01 or P < 0. 05). 3. In MDA,NO,INOS,IL-8,TNF-a and NE, hot water was compared with blank and cold water group. The content increased (P < 0.01 or P < 0.05). After treatment with rhubarb Huanglian Xiexin decoction, the content of hot water was lower than that of hot water (P < 0. 05 or P < 0. 01). 4. In ET,5-HT, compared with blank and hot water group, the content of rhubarb in cold water group was significantly higher than that in hot water group (P < 0. 01). Compared with cold water, the content of cold water decreased significantly (P < 0.01). Conclusion: 1. The pathogenesis of water-immersion stress type ulcers is not only related to the overall factors such as neuroendocrine disorders, but also to local factors such as weakened gastric mucosal protection and increased injury factors. 2, the heat syndrome of water-immersion stress ulcer was related to the decrease of the content of superoxide dismutase (SOD), epidermal growth factor (EGF), transforming growth factor (TGF-a); It was associated with the increase of (INOS), tumor necrosis factor (TNF-a), interleukin-8 (IL-8) and norepinephrine (NE) in malondialdehyde (MDA), nitric oxide (NO),) nitric oxide synthase (INOS),). 3. The cold syndrome of water-immersion stress ulcer was related to the decrease of the content of superoxide dismutase (SOD), nitric oxide (NO), epidermal growth factor (EGF), transforming growth factor (TGF-a). Endothelin 5-hydroxytryptamine (5-HT) is associated with an increase in endothelin 5-hydroxytryptamine (5-HT) content. 4. The mechanism of rhubarb Huanglian Xiexin decoction in preventing heat syndrome of water-immersion stress ulcer may be related to increasing SOD activity, decreasing MDA content, reducing inflammatory reaction of NO,INO S and stimulating EGF,TGF-a release from gastric mucosa. Inhibition of inflammatory factor IL-8,TNF-a and decrease of sympathetic-adrenomedullary activity and decrease of NE content. 5. The mechanism of Lizhong Pill in preventing cold syndrome of water-immersion stress ulcer may be related to increasing SOD activity, increasing NO content, decreasing ET content, improving gastric mucosal blood flow and stimulating gastric mucosal EGF,TGF-a release. Increased sympathetic-adrenomedullary activity and decreased 5-HT content.
【學(xué)位授予單位】:黑龍江中醫(yī)藥大學(xué)
【學(xué)位級別】:博士
【學(xué)位授予年份】:2009
【分類號】:R-332;R285
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