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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Gao, Yuan-Fu Zhao, Ya-Ping Gao, Chun-Lin Cai, Xiao-Yi Fan, Zhong-Min Zhang, Ying Liu, Meng-Yuan Xia, Zheng-Kun |
| Description | Author Affiliation: Zhang Y ( Department of Pediatrics, Jinling Hospital, Nanjing University, School of Medicine, Nanjing, Jiangsu 210002, P.R. China.); Zhao YP ( Department of Pediatrics, The 82nd Hospital of the People's Liberation Army, Huai'an, Jiangsu 223001, P.R. China.); Gao YF ( Department of Pediatrics, Jinling Hospital, Nanjing University, School of Medicine, Nanjing, Jiangsu 210002, P.R. China.); Fan ZM ( Department of Pediatrics, Jinling Hospital, Nanjing University, School of Medicine, Nanjing, Jiangsu 210002, P.R. China.); Liu MY ( Department of Pediatrics, Jinling Hospital, Nanjing University, School of Medicine, Nanjing, Jiangsu 210002, P.R. China.); Cai XY ( Department of Pediatrics, Jinling Hospital, Nanjing University, School of Medicine, Nanjing, Jiangsu 210002, P.R. China.); Xia ZK ( Department of Pediatrics, Jinling Hospital, Nanjing University, School of Medicine, Nanjing, Jiangsu 210002, P.R. China.); Gao CL ( Department of Pediatrics, Jinling Hospital, Nanjing University, School of Medicine, Nanjing, Jiangsu 210002, P.R. China.) |
| Abstract | MicroRNA106b (miR106b) is reported to correlate closely with skeletal muscle insulin resistance. In the current study the effect of miR106b on palmitic acid (PA)induced mitochondrial dysfunction and insulin resistance was investigated in C2C12 myotubes via the silencing of miR106b. MiR106b expression was increased under PA treatment, while miR106b loss of function improved insulin sensitivity by upregulating its target mitofusin2 (Mfn2) in C2C12 myocytes. Furthermore, miR106b loss of function partly improved mitochondrial morphological lesions and increased the levels of mitochondial DNA and intracellular adenosine triphosphate that had been impaired by PA exposure in C2C12 myocytes. MiR106b loss of function attenuated the levels of intracellular reactive oxygen species (ROS), and upregulated the expression levels of the estrogenrelated receptor (ERR) /peroxisome proliferative activated receptor γ coactivator (PGC)1 /Mfn2 axis under PA exposure. In addition, miR106b negatively regulated skeletal muscle mitochondrial function and insulin sensitivity under PAinduced insulin resistance by targeting Mfn2, which may be associated with reduced ROS and upregulation of the ERR /PGC1 /Mfn2 axis. |
| ISSN | 17912997 |
| e-ISSN | 17913004 |
| Journal | Molecular Medicine Reports |
| Issue Number | 5 |
| Volume Number | 11 |
| Language | English |
| Publisher | Spandidos Publications |
| Publisher Date | 2015-05-01 |
| Publisher Place | Greece |
| Access Restriction | Open |
| Subject Keyword | Gene Silencing Insulin Resistance Genetics Micrornas Mitochondria Drug Effects Metabolism Muscle Fibers, Skeletal Palmitic Acid Pharmacology Adenosine Triphosphate Animals Cell Line Gene Expression Regulation Mice Reactive Oxygen Species Receptors, Estrogen Transcription Factors Research Support, Non-u.s. Gov't Discipline Molecular Biology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Biochemistry Molecular Biology Cancer Research Molecular Medicine Oncology |
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