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烟酰胺单核苷酸对RIN-m5f细胞中胰岛素分泌及PDX-1和FoxO1基因表达的影响
引用本文:盛飞凤,任贤,戴幸平,徐潇静,董敏,裴奇,屈健,周智广,周宏灏,刘昭前.烟酰胺单核苷酸对RIN-m5f细胞中胰岛素分泌及PDX-1和FoxO1基因表达的影响[J].湖南医科大学学报,2011(10):958-963.
作者姓名:盛飞凤  任贤  戴幸平  徐潇静  董敏  裴奇  屈健  周智广  周宏灏  刘昭前
作者单位:[1]中南大学临床药理研究所,遗传药理学湖南省重点实验室,长沙410078 [2]广东省妇幼保健院药剂科,广州510010 [3]上海绿谷制药有限公司,上海201220 [4]中南大学湘雅二医院内分泌科,长沙410011
基金项目:supported by the National High-Tech R&D Program of China(“863”Program)(2009AA22704); the National Natural Science Foundation of China(30873089 81173129); the Program for Changjiang Scholars and Innovative Research Team in University(IRT0946); the Open Foundation of Innovative Platform in University of Hunan Province of China(10K078); the Science and Technology Plan Key Grant of Hunan Province of China(2009TP40682); the Fundamental Research Funds for the Central Universities(201023100001)
摘    要:目的:在细胞水平研究烟酰胺单核苷酸(nicotinamide mononucleotide,NMN)对胰岛素分泌的调节作用及其对与胰岛素分泌相关的重要转录因子胰十二指肠同源盒基因(pancreatic and duodenalhomeobox-1,PDX-1)和分叉头框家族转录因子1(forkhead box-containing protein O-1,FoxO1)基因表达的影响。方法:采用大鼠胰岛素ELISA试剂盒检测RIN-m5f细胞胰岛素分泌水平。用Real-time PCR检测RIN-m5f细胞PDX-1和FoxO1的mRNA表达水平。用Western印迹检测RIN-m5f细胞PDX-1蛋白表达水平。结果:用瑞格列奈10 nmol/L+NMN 100μmol/L处理RIN-m5f细胞48 h,与空白对照及DMSO对照组相比,胰岛素分泌量均显著增高(P〈0.05);与NMN 50μmol/L组比较,胰岛素分泌量的增高也有统计学意义(P〈0.05)。10,50和100μmol/L的NMN作用RIN-m5f细胞36 h,PDX-1的mRNA表达量均上调(依次为P〈0.05,P〈0.01,P〈0.001)。100μmol/L剂量组与10μmol/L和50μmol/L剂量组比较差异也有统计学意义(P〈0.001)。50,100和200μmol/L的NMN作用RIN-m5f细胞36或48 h,PDX-1的蛋白表达量与对照组比较差异无统计学意义(P〉0.05)。结论:NMN可以调控RIN-m5f细胞中胰岛素的分泌及PDX-1的mRNA表达水平。

关 键 词:烟酰胺单核苷酸  胰十二指肠同源盒基因  分叉头框家族转录因子1  RIN-m5f

Effect of nicotinamide mononucleotide on insulin secretion and gene expressions of PDX-1 and FoxO1in RIN-m5f cells
SHENG Feifeng,REN Xian,DAI Xingping,XU Xiaojing,DONG Min,PEI Qi,QU Jian,ZHOU Zhiguang,ZHOU Honghao,LIU Zhaoqian.Effect of nicotinamide mononucleotide on insulin secretion and gene expressions of PDX-1 and FoxO1in RIN-m5f cells[J].Bulletin of Hunan Medical University,2011(10):958-963.
Authors:SHENG Feifeng  REN Xian  DAI Xingping  XU Xiaojing  DONG Min  PEI Qi  QU Jian  ZHOU Zhiguang  ZHOU Honghao  LIU Zhaoqian
Institution:1.Institute of Clinical Pharmacology,Hunan Key Laboratory of Pharmacogenetics,Xiangya School of Medicine,Central South University,Changsha 410078;2.Department of Pharmacy,Maternal and Child HealthHospital of Guangdong,Guangzhou 510010;3.Department of Medicine,Shanghai GreenValley Pharmaceutical Co.,Ltd.,Shanghai 2012203;4.Department of Endocrinology,Second Xiangya Hospital,Central South University,Changsha 410011,China)
Abstract:
Keywords:nicotinamide mononucleotide  pancreatic and duodenal homeobox 1  forkhead box-containing protein O-1  RIN-m5f cell
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