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Effects of conjugated linoleic acid on proliferation and differentiation of bovine intramuscular preadipocyte in vitro
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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 PPARγ and C/EBPα 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.
Title: Effects of conjugated linoleic acid on proliferation and differentiation of bovine intramuscular preadipocyte
in vitro
Description:
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 PPARγ and C/EBPα 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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