| | | 姜黄素对酒精性肝损伤的保护作用
| | 西医学 评职论文下载 作者:姚思宇,赵 鹏,杨俊峰,李凤文,刘荣珍,傅伟忠,梁 坚,何 励 【摘要】 目的西医学 评职论文下载 研究姜黄素对酒精性肝损伤的西医学 评职论文下载保护作用。方法 采用酒精复制大鼠肝损伤模型,测定肝组织的丙二醛(MDA)、甘油三酯(TG)及还原型谷胱甘肽(GSH)含量;并观察肝脏的病理组织学改变。结果 受试样品高、中、低剂量组大鼠肝组织的MDA含量均值分别为16.9、15.5、16.7nmol/g(肝组织),均低于肝损模型组的19.7nmol/g;TG含量分别为2.59、2.67、2.09mmol/100g(肝组织),均低于肝损模型组的4.37mmol/100g;而GSH含量分别为275.6、254.3、307.7μmoL/100g(肝组织),均高于肝损模型组的188.7μmoL/100g;各剂量组大鼠肝脏病理改变评分均值分别为163.3、118.6、162.8分,均低于肝损模型组的253.6分。结论 姜黄素对酒精性肝损伤具有保护作用。 【关键词】 姜黄素; 酒精; 肝脏; 损伤; 保护 【Abstract】 Objective To study the protective effect of curcumin on rat model of liver injury caused by alcohol.Methods Rat models of alcoholic livery were established. The contents of malondialdehyde(MDA), triglycerides(TG) and reduced glutathione(GSH) in liver tissue were measured,and the pathological and histological changes of liver were observed.Results The MDA contents in liver tissue in the high,middle,and low dosage groups were 16.9,15.5,16.7nmol/g respectively,significantly lower than that in the model control group(19.7 nmol/g). The TG contents in liver tissue in the high,middle,and low dosage groups were 2.59,2.67,2.09mmol/100g respectively,significantly lower than that in the model control group (4.37mmol/100g),while the GSH contents in liver tissue in the high,middle,and low dosage groups were 275.6,254.3,307.7μmol/100g respectly,significantly higher than that in the model control group(188.7μmoL/100g). The average value of pathological changes in rat liver in the high, middle,and low dosage groups were 163.3,118.6,162.8 respectively,significantly lower than that in the model control group(253.6).Conclusion The curcumin has a significant protective effect on liver injury caused by alcohol. 【Key words】 curcumin;alcohol;liver;injury;protection 姜黄(curcuma)为姜黄属植物,药用其根茎,是传统中药,化学成分主要含精油(4.2%~14%)、脂肪油(4.4%~12.7%)等挥发油及姜黄素(curcumin,difesuloylmethane)类成分,此外还有树脂类、糖类、脂肪酸、多肽类、生物碱、甾醇类及微量元素等,近代对于姜黄素的研究除了行气、散风活血、温经止痛的传统作用外,还揭示出了一些新的药理作用,如抗炎、抗氧化、清除氧自由基、抗人类免疫缺陷病毒、抗纤维化、防癌抗癌以及护肝保肾等。护肝方面主要研究了对各种毒物如四氯化碳、黄曲霉素B1、乙酰氨基酚、铁和环磷酰胺诱导的肝损伤的保护[1],本实验研究了姜黄素对酒精性肝损伤的保护作用效果。 1 材料与方法 1.1 受试样品 由北京某医药科技开发有限公司提供,规格为300mg/粒的胶囊,其主要功效成分为姜黄素,含量为3.1%。人体推荐用量为每日3次,每次2粒;折算为0.93mg/kg BW(以姜黄素计)。
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