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KMID : 1161420180210090876
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Journal of Medicinal Food
2018 Volume.21 No. 9 p.876 ~ p.886
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Lactobacillus curvatus HY7601 and Lactobacillus plantarum KY1032 Cell Extracts Inhibit Adipogenesis in 3T3-L1 and HepG2 Cells
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Jeung Woon-Hee
Shim Jae-Jung
Woo Seon-Wook
Sim Jae-Hun
Lee Jung-Lyoul
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Abstract
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Some lactic acid bacteria (LAB) and their cellular components have antiobesity effects. In this study, we evaluated the antiadipogenic effects of a mixture of two LAB?Lactobacillus curvatus HY7601 and Lactobacillus plantarum KY1032?using 3T3-L1 preadipocytes and HepG2 hepatocarcinoma cells. 3T3-L1 cells treated with a 1:1 ratio of HY7601 and KY1032 during differentiation showed reduced lipid accumulation by Oil Red O staining, as well as decreased leptin secretion and mRNA expression of peroxisome proliferator-activated receptor-γ and CCAAT/enhancer binding protein-α. HY7601 and KY1032 treatment also suppressed mitochondrial biogenesis and inhibited the expression of genes encoding mitochondrial transcription factors, as well as those related to fatty acid synthesis in HepG2 cells. The antiadipogenic effects of LAB were associated with the cell membrane fraction. These results demonstrate that a mixture of two LAB (HY7601 and KY1032) inhibits adipogenesis in preadipocytes and liver cells and is a potential therapeutic strategy for the treatment of obesity.
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KEYWORD
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antiadipogenesis, antiobesity, HepG2 cells, lactic acid bacteria, 3T3-L1 cells
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