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高脂饮食大鼠肾脏HMGCS2表达及调控研究
引用本文:廖丹,章小艳,童晓清,斯彩娟,余小龙,束龙,张伦,王卫光,高蔚,郑培奋.高脂饮食大鼠肾脏HMGCS2表达及调控研究[J].寒旱区科学,2017,9(5):66-69.
作者姓名:廖丹  章小艳  童晓清  斯彩娟  余小龙  束龙  张伦  王卫光  高蔚  郑培奋
作者单位:310013 杭州, 浙江医院;310013 杭州, 浙江医院;310013 杭州, 浙江医院;310013 杭州, 浙江医院;310013 杭州, 浙江医院;310013 杭州, 浙江医院;310013 杭州, 浙江医院;310013 杭州, 浙江医院;310013 杭州, 浙江医院;310013 杭州, 浙江医院
基金项目:浙江省卫生厅厅级培育项目(2014PYA002)
摘    要:目的 探讨高脂饮食大鼠肾脏3-羟基-3甲基戊二酰辅酶A合成酶2(HMGCS2)表达及可能调控机制。方法 断乳Wistar 雄性大鼠27只分为3组:正常对照组(CON)、高脂组(HFG)、绿茶多酚(green tea polyphenols,GTPs)组(G)。CON组大鼠喂养普通饲料,HFG组及GTPs组给予高脂饲料,GTPs组同时自由摄食绿茶多酚浓度为1.6g/L水溶液。26周后测定空腹血糖(FPG)、血清胆固醇(TC)、甘油三酯(TG)、低密度脂蛋白(LDL)、高密度脂蛋白(HDL)。免疫印迹法测定肾脏HMGCS2和Sirt3蛋白表达水平。结果 与CON组比较,HFG组大鼠体重和脂肪系数升高,血清FPG、TC、TG、LDL-C/HDLC均升高,差异有统计学意义(P<0.05);与HFG组比较,GTPs降低大鼠体重和脂肪系数,差异有统计学意义(P<0.05),GTPs组血清FPG、TC、TG、LDL-C/HDLC均不同程度降低,差异有统计学意义(P<0.05)。与CON组比较,肾脏组织HMGCS2的表达降低,差异有统计学意义(P<0.05);与HFG组比较,GTPs组增加肾脏HMGCS2的表达,差异有统计学意义(P<0.05)。高脂饮食、正常饮食和GTPs干预后,大鼠肾脏组织Sirt3蛋白表达差异无统计学意义。结论 高脂饮食可降低肾脏组织HMGCS2表达,绿茶多酚可逆转此效应;高脂饮食及绿茶多酚对肾脏组织HMGCS2表达的调控不经Sirt3途径。

关 键 词:高脂饮食  3-羟基-3-甲基戊二酰辅酶A合成酶2(HMGCS2)  绿茶多酚(GTPs)
收稿时间:2016/10/23 0:00:00
修稿时间:2016/11/1 0:00:00

Expression of Renal HMGCS2 in Rats Fed With High Fat Diet.
Liao Dan,Zhang Xiaoyan,Tong Xiaoqing.Expression of Renal HMGCS2 in Rats Fed With High Fat Diet.[J].Sciences in Cold and Arid Regions,2017,9(5):66-69.
Authors:Liao Dan  Zhang Xiaoyan  Tong Xiaoqing
Institution:Nutritional Department of Zhejiang Hospital, Zhejiang 310013, China;Nutritional Department of Zhejiang Hospital, Zhejiang 310013, China;Nutritional Department of Zhejiang Hospital, Zhejiang 310013, China;Nutritional Department of Zhejiang Hospital, Zhejiang 310013, China;Nutritional Department of Zhejiang Hospital, Zhejiang 310013, China;Nutritional Department of Zhejiang Hospital, Zhejiang 310013, China;Nutritional Department of Zhejiang Hospital, Zhejiang 310013, China;Nutritional Department of Zhejiang Hospital, Zhejiang 310013, China;Nutritional Department of Zhejiang Hospital, Zhejiang 310013, China;Nutritional Department of Zhejiang Hospital, Zhejiang 310013, China
Abstract:Objective To study the expression of renal HMGCS2 in rats fed with high fat diet and its mechanism. Methods Male Wistar rats were divided into three groups: normal control group (CON), high fat group (HFG), GTPs group (G),with 9 in each grou
Keywords:High fat diet  HMGCS2  Green tea polyphenols
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