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RNA-seq reveal role of bovine TORC2 in the regulation of adipogenesis.
Archives of Biochemistry and Biophysics ( IF 3.9 ) Pub Date : 2019-12-29 , DOI: 10.1016/j.abb.2019.108236 Rajwali Khan 1 , Sayed Haidar Abbas Raza 1 , Zainaguli Junjvlieke 1 , Hongbao Wang 1 , Gong Cheng 1 , Stephen B Smith 2 , Zhongliang Jiang 1 , Anning Li 1 , Linsen Zan 3
Archives of Biochemistry and Biophysics ( IF 3.9 ) Pub Date : 2019-12-29 , DOI: 10.1016/j.abb.2019.108236 Rajwali Khan 1 , Sayed Haidar Abbas Raza 1 , Zainaguli Junjvlieke 1 , Hongbao Wang 1 , Gong Cheng 1 , Stephen B Smith 2 , Zhongliang Jiang 1 , Anning Li 1 , Linsen Zan 3
Affiliation
Low intramuscular adipose tissue (marbling) continues to be challenge for improving beef quality in Chinese cattle. Highly marbled meat is very desirable; hence, methods to increase IMF content have become a key aspect of improving meat quality. Therefore, research on the mechanism of adipogenesis provides invaluable information for the improvement of meat quality. This study investigated the effect of TORC2 and its underlying mechanism on lipid metabolism in bovine adipocytes. The TORC2 gene was downregulated in bovine adipocytes by siRNA, and RNA sequencing was performed. Downregulation of TORC2 negatively affected bovine adipocyte differentiation. In addition, a total of 577 DEGs were found, containing 146 up-regulated and 376 down-regulated genes. KEGG pathway analysis revealed that the DEGs were linked with neuroactive ligand-receptor interaction pathway, calcium signaling pathway, cAMP pathway, chemokine signaling pathway and Wnt signaling pathway. Gene Ontology (GO) term analysis of the DEGs showed that down-regulation of TORC2 gene significantly suppressed the genes regulating important GO terms of adipogenesis-related processes in bovine adipocytes, especially regulation of biological activity, regulation of primary metabolic process, regulation of multicellular organismal process, cell adhesion, lipid metabolic process, secretion, chemical homeostasis, regulation of transport, cell-cell signaling, cAMP metabolic process, cellular calcium ion homeostasis, fat cell differentiation, and cell maturation. In conclusion, our results suggest that TORC2 at least in part regulates lipid metabolism in bovine adipocytes. The results of this study provide a basis for studying the function and molecular mechanism of the TORC2 gene in regulating adipogenesis.
更新日期：2019-12-29
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