摘要
目的观察复方制剂丹芍化纤胶囊治疗大鼠CCl4中毒性肝纤维化对HSC细胞凋亡及细胞周期的影响,以探讨丹芍化纤胶囊可能的作用机理。方法雄性Wistar大鼠采用CCl4、饮酒、高脂低蛋白饮食等复合病因刺激制备肝纤维化动物模型8周,然后给予丹芍化纤胶囊(1g/kg)灌胃治疗8周。实验结束时测定肝脏指数、血清透明质酸(HA)及谷丙转氨酶(ALT)含量,光镜下观察肝组织纤维化程度,检测尿羟脯氨酸(Hyp)排出量,同时用流式细胞仪检测治疗前后肝星状细胞(HSC)凋亡并分析细胞周期各期细胞比例。结果治疗组大鼠的肝脏指数、血清HA、ALT含量明显低于肝纤维化模型组;肝纤维化程度明显轻于肝纤维化模型组;尿Hyp排出量显著高于肝纤维化模型组及自然恢复组;HSC细胞凋亡、G0-G1期细胞比例明显高于肝纤维化模型组(分别为7.81±0.47/0.28±0.05,94.30±1.33/68.40±6.47,P<0.05),S期细胞比例显著低于肝纤维化模型组及自然恢复组(分别为3.11±1.27,9.83±1.81,11.87±1.92,P<0.05)。结论丹芍化纤胶囊对大鼠CCl4中毒性肝纤维化有一定的治疗作用,这种治疗作用可能部分是通过抑制HSC细胞增殖及促进HSC细胞凋亡而致。
AIM: To investigate the effect of a Chinese medicime, Dan-Shao-Hua-Xian capsule, on liver fibrosis induced by CCl_4 by observation of apoptosis and cell cycle variation in the liver cells. METHODS: Animal models were produced through eight-week treatment of the rats with CCl_4, alcohol and diet of high fat/low proteins, and then administration of Dan-Shao-Hua-Xian to the rats (1 g/kg) via stomach-tube-pouring for eight weeks was performed. Liver index, serum hyaluronic acid (HA) and glutamate pyruvate transaminase (ALT) were measured and hydroxyproline (Hyp) content in urine were determined. The extent of the liver fibrosis was observed under light microscope and apoptosis and cell cycle were also examined by cytometry between the two groups. RESULTS: Compared to the liver fibrosis group, the liver index, serum HA, ALT in the treatment group decreased, the development of liver fibrosis delayed, the urine Hyp and the number of apoptosed cells and the ratio of G_0/G_1 cells increased, as well as the S phase cells decreased, yet unable to return to normal. All those changes detected were statistically significant. CONCLUSIONS: The Dan-Shao-Hua-Xian is effective in treating the CCl_4-induced liver fibrosis in rats partly by virtue of inhibition of the growth of hepatic stellate cells and induction of apoptosis.
出处
《中国病理生理杂志》
CAS
CSCD
北大核心
2005年第5期975-979,共5页
Chinese Journal of Pathophysiology
基金
贵州省中药现代化基金资助项目(No.2004-09)
