ACTA VETERINARIA ET ZOOTECHNICA SINICA ›› 2016, Vol. 47 ›› Issue (4): 661-670.doi: 10.11843/j.issn.0366-6964.2016.04.004

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ADIG Inducing the Trans-differentiation of Bovine Myoblasts and Its Related Gene Expression

MEI Chu-gang1,ZHANG Qiong1,FU Chang-zhen1,LIU Yang1,JIANG Bi-jie1,CHENG Gong1,2,ZAN Lin-sen1,2*   

  1. (1.College of Animal Science and Technology,Northwest A&F University,Yangling 712100,China;2.National Beef Cattle Improvement Center in China,Yangling 712100,China)
  • Received:2014-04-15 Online:2016-04-23 Published:2016-04-23

Abstract:

The aim of this study was to provide evidence about the role of ADIG gene in bovine adipose tissue during growth and development,and to lay a theoretical basis for further study of the molecular mechanisms of bovine fat metabolism and meat quality improvement through inducing bovine myoblasts trans-differentiating into fat with overexpressing ADIG gene in bovine myoblasts.We induced bovine myoblasts trans-differentiating with AD-ADIG recombinant adenovirus,observed the lipid droplets after Oil Red O staining,collected cells to extract RNA at the 0th,2nd,4th,6th,8th,10th,12th,14th day,respectively,and detected relative expressions of fat-related genes ADIGPPARγC/EBPαSREBPF1,FABP4,FAS as well as the muscle-related gene MyoD by real-time quantitative PCR.The real-time quantitative PCR results showed that during the induced trans-differentiation process,ADIG gene was expressed at high levels at the 2nd,4th,6th,8th,10th,12th,14th day,and lipid droplets increased significantly.The relative expression of the fat-related genes PPARγSREBPF1 and FAS at late stages were obviously higher in AD-ADIG group than that in other groups,and the relative expression of muscle-related gene MyoD decreased at early stages,and was obviously lower in AD-ADIG group than that in other groups.The result indicate that ADIG gene play important roles in bovine myoblasts induced into fat and bovine myoblast has the potential of differentiating to adipocyte according to the results of Oil Red O staining and related gene relative expression.

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