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耐力训练对糖尿病糖脂代谢相关因子基因表达的影响    

Effects of endurance training on gene expression of glucose and lipid metabolism-related factors in diabetes

文献类型:期刊文献

中文题名:耐力训练对糖尿病糖脂代谢相关因子基因表达的影响

英文题名:Effects of endurance training on gene expression of glucose and lipid metabolism-related factors in diabetes

作者:邵月[1]

机构:[1]河南财经政法大学体育部

第一机构:河南财经政法大学体育部(系)

年份:2014

期号:11

起止页码:3037-3039

中文期刊名:中国老年学杂志

外文期刊名:Chinese Journal of Gerontology

收录:CSTPCD;;北大核心:【北大核心2011】;CSCD:【CSCD2013_2014】;

基金:国家科技支撑计划(2012BAK21B04);河南省科技厅软科学研究项目资助(132400410252;142400410307)

语种:中文

中文关键词:耐力训练;糖尿病;GLUT4;AMPKα2;PDK4;CPT-1β

外文关键词:Endurance training;;Diabetes;;GLUT4;;AMPKα2;;PDK4;;CPT-1β

摘要:目的:探讨糖尿病(DM)对长期耐力训练产生运动适应的分子机制。方法2型糖尿病(T2DM)大鼠12只,随机分为安静组( GKC)、耐力训练组( GKE)。跑台训练6 w,末次训练后24~48 h内断颈处死,取腓肠肌,荧光定量PCR检测GLUT4、AMPKα2、PDK4和CPT-1β的基因转录。结果 GKE组AMPKα2 mRNA水平非常显著高于GKC组(P<0.01),GLUT4 mRNA转录没有显著性差异(P>0.05),PDK4 mRNA表达显著性降低(P<0.05),CPT-1βmRNA转录没有显著性差异(P>0.05)。结论(1)6 w耐力运动干预可能通过能量敏感性通路AMPK-GLUT4葡萄糖转运机制极大地促进了GK大鼠骨骼肌糖摄取能力,在一定程度上逆转了AMPK磷酸化受损状况,对改善DM进程有一定益处。(2)耐力训练显著降低了PDK4水平,对促进DM大鼠有氧呼吸能力有利,但对CPT-1β水平影响不显著,可能此时DM大鼠仍然以葡萄糖氧化为主供能。
Objective To study the effects of endurance training on gene expression of glucose and lipid metabolism -related factors in diabetes .Methods 12 rats were distributed into sedentary and endurance training ,after 6 weeks of endurance training , gastrocnemius was excised and detected .Results The expression of AMPKα2 mRNA was upregulated and the expression of PDK 4 mRNA was downregulated , butnomarkeddifferenceontheexpressionsofGLUT4mRNAandCPT-1βmRNA.Conclusions 6weeksenduranceexercisecouldcontrib-ute greatly to skeletal muscle glucose uptake of GK rats ,which is benefit to promote the aerobic capacity .

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