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Inhibitory Effects of Lactobacillus plantarum Q180 on Lipid Accumulation in HepG2 Cells

한국식품영양학회지 2019년 32권 6호 p.738 ~ 744
 ( Chu Jae-Ryang ) - CKDBIO Research Institute Probiotics Reserarch Laboratory

정현채 ( Joung Hyun-Chae ) - CKDBIO Research Institute Probiotics Reserarch Laboratory
김병국 ( Kim Byung-Kook ) - CKDBIO Research Institute Probiotics Reserarch Laboratory
최인석 ( Choi In-Suk ) - CKDBIO Research Institute Probiotics Reserarch Laboratory
박태식 ( Park Tae-Sik ) - Gachon University Department of Life Science

Abstract


Recently, the prevalence of hyperlipidemia has been increasing, and consequently, the need to identify safe and effective treatments to control this chronic disease has also increased. The beneficial effects of probiotics have been revealed by several studies over the past few years, including their effects on hypertriglyceridemia. However, the mechanisms of action of probiotics are still unclear.
The anti-obesity effects of Lactobacillus plantarum Q180 on lipid accumulation have already been demonstrated using an in vitro HepG2 cell model, and therefore, we investigated its efficacy and mechanism of action. Lipid accumulation was induced in HepG2 cells by palmitic acid treatment and then the cells were incubated with L. plantarum Q180 lysate or supernatant to investigate changes in lipid accumulation and expression of lipid metabolism-related genes. The results showed that the L. plantarum Q180-treated group exhibited significantly lower levels of lipid accumulation and mRNA expression of lipid synthesis- and adipogenesis-related genes than the palmitic acid-treated group did. These results indicate that L. plantarum Q180 may contribute to alleviating hypertriglyceridemia by inhibiting lipid synthesis.

키워드

probiotics; Lactobacillus plantarum Q180; hypertriglyceridemia; dyslipidemia
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