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Effects of conjugated linoleic acid on proliferation and differentiation of bovine intramuscular preadipocyte in vitro

Wan, R.

2021-01-31 cell biology
10.1101/2021.01.30.428933 bioRxiv
Show abstract

Conjugated linoleic acid (CLA), a mixture of isomers of linoleic acid, has previously been shown to be able to increase intramuscular fat content in vivo and stimulate adipogenesis in intramuscular preadipocytes in vitro in pig. Unfortunately, there is little data to evaluate the effect of CLA on proliferation and differentiation of bovine intramuscular preadipocytes. This study investigated the regulation by CLA in proliferation and differentiation of bovine intramuscular preadipocytes. The results demonstrated that CLA significantly induced the expression of PPAR{gamma} and C/EBP mRNA of bovine intramuscular preadipocytes as well as the accumulation of lipid in cultured intramuscular preadipocytes. Additionally, CLA significantly decreased the cell proportion of phase G0/G1, and remarkably increased the proportion of phase S+G2/M. Collectively, these results suggest that CLA promotes bovine intramuscular preadipocyte proliferation and differentiation.

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