栀子苷对糖尿病模型大鼠认知功能障碍的改善作用研究 点击下载
论文标题: 栀子苷对糖尿病模型大鼠认知功能障碍的改善作用研究
英文标题:
中文摘要: 目的:研究栀子苷对糖尿病模型大鼠认知功能障碍的改善作用。方法:将50只大鼠随机分为空白对照组(蒸馏水)、模型组(蒸馏水)和栀子苷低、中、高剂量组(5、10、20 g/kg),每组10只。除空白对照组外,其余4组大鼠均饲以高糖高脂饲料+注射链脲佐菌素复制糖尿病模型。成模后,各组大鼠ig相应药物,每日1次,连续8周。末次给药后检测各组大鼠空腹血糖(FPG)、糖化血红蛋白(HbA1c)水平,并检测Morris水迷宫实验的逃避潜伏期和Y迷宫实验的行为正确率。结果:与空白对照组比较,模型组大鼠FPG、HbA1c水平明显升高,逃避潜伏期明显延长,Y迷宫行为正确率明显降低,差异均有统计学意义(P<0.05)。与模型组比较,栀子苷各剂量组大鼠上述指标均明显改善(P<0.05),且与剂量呈正相关(P<0.05)。结论:栀子苷可有效降低糖尿病模型大鼠血糖水平,改善其认知功能障碍。
英文摘要: OBJECTIVE: To study the improvement effect of geniposide on cognitive dysfunction in model rats with diabetes. METHODS: 50 rats were randomly divided into blank control group (distilled water), model group (distilled water) and geniposide low-dose, medium-dose, high-dose groups (5, 10, 20 g/kg), 10 in each group. Except for blank control group, rats in other 4 groups were fed with high-sugar and high-fat diet and injected streptozotocin to induce diabetes model. After modeling, rats in each group intragastrically administrated relevant medicines, once a day, for 8 weeks. After last administration, fasting blood glucose (FPG), glycosylated hemoglobin (HbA1c) levels, escape latency period in Morris water maze test, and correct rate of behaviors in Y maze test of rats in each group were detected. RESULTS: Compared with blank control group, FPG, HbA1c levels of rats in model group were obviously increased, escape latency period was obviously prolonged, correct rate of behaviors in Y maze test was obviously decreased, with statistical significances (P<0.05). Compared with model group, above-mentioned indexes in geniposide groups were obviously improved (P<0.05), which were positively correlated with dose (P<0.05). CONCLUSIONS: Geniposide can effectively reduce blood glucose level of model rats with diabetes and improve their cognitive dysfunction.
期刊: 2017年第28卷第31期
作者: 陈晓燕,刘欢,房春娟,刘燕玲
英文作者: CHEN Xiaoyan,LIU Huan,FANG Chunjuan,LIU Yanling
关键字: 栀子苷;糖尿病;大鼠;认知功能障碍
KEYWORDS: Geniposide; Diabetes; Rats; Cognitive dysfunction
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