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Animal Biotechnology
Asian-Australasian Journal of Animal Sciences 2011;24(9): 1288-1302.
https://doi.org/10.5713/ajas.2011.10344    Published online August 24, 2011.
Proteomic Analysis of Bovine Muscle Satellite Cells during Myogenic Differentiation
Ramanna Valmiki Rajesh, Eun Jeong Jang, Inho Choi, Kang-Nyeong Heo, Duhak Yoon, Tae-Hun Kim, Hyun-Jeong Lee
The aim of this study was to analyze the proteome expression of bovine satellite cells from longissimus dorsi (LD), deep pectoral (DP) and semitendinosus (ST) muscle depots during in vitro myogenic differentiation. Proteomic profiling by two-dimensional gel electrophoresis and mass spectrometry of differentiating satellite cells revealed a total of 38 proteins that were differentially regulated among the three depots. Among differentially regulated proteins, metabolic proteins like lactate dehydrogenase (LDH), malate dehydrogenase (MDH) were found to be up regulated in ST, while alpha-enolase (NNE) in LD and DP depot satellite cells were down regulated. Also, our analysis found that there was a prominent up regulation of cytoskeletal proteins like actin, actin-capping protein and transgelin along with chaperone proteins like heat shock protein beta 1 (HSPB 1) and T-complex protein 1 (TCP-1). Among other up regulated proteins, LIM domain containing protein, annexin 2 and Rho GDP-dissociation inhibitor 1 (Rho GDI) are observed, which were already proven to be involved in the myogeneis. More interestingly, satellite cells from ST depot were found to have a higher myotube formation rate than the cells from the other two depots. Taken together, our results demonstrated that, proteins involved in glucose metabolism, cytoskeletal modeling and protein folding plays a key role in the myogenic differentiation of bovine satellite cells.
Keywords: Bovine Satellite Cells; Depot; Proteome; Myogenesis

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