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논문 기본 정보

자료유형
학술저널
저자정보
Wu, Xuangao (Dept. of Food and Nutrition, Institute of Basic Science, Hoseo University) Jin, Bo Ram (Dept. of Food and Nutrition, Institute of Basic Science, Hoseo University) Yang, Hye Jeong (Food Functional Research Division, Korean Food Research Institutes) Kim, Min Jung (Food Functional Research Division, Korean Food Research Institutes) Park, Sunmin (Dept. of Food and Nutrition, Institute of Basic Science, Hoseo University)
저널정보
한국응용생명화학회 Journal of applied biological chemistry Journal of applied biological chemistry 제62권 제3호
발행연도
2019.1
수록면
229 - 237 (9page)

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More effective treatments are needed for non-alcoholic fatty liver disease (NAFLD). We hypothesized that water extracts of blackberry fruits (BF) and leaves (BL) and their combinations (BFL) reduce fat deposition in HepG2 cells and modulate shor-tchain fatty acids (SCFA) and fecal bacteria in vitro. HepG2 cells were treated with BF, BL, BFL1:2, and BFL1:3 for 1 h, and 0.5 mM palmitate was added to the cells. Moreover, low ($30{\mu}g/mL$) and high doses ($90{\mu}g/mL$) of BL and BF were applied to fecal bacteria in vitro, and SCFA was measured by GC. BL, BF, BFL1:2, and BFL1:3 reduced triglyceride deposition in the cells in a dose-dependent manner, and BFL1:2 and BFL1:3 had a stronger effect than BF. The content of malondialdehyde, an index of oxidative stress, was also reduced in BL, BF, and BFL1:2 with increasing superoxide dismutase and glutathione peroxidase activities. The mRNA expression of acetyl CoA carboxylase, fatty acid synthase, and sterol regulatory element-binding protein-1c was reduced in BL, BF, BFL1:2, and BFL1:3 compared to the control, and BFL1:2 had the strongest effect. By contrast, the carnitine palmitolytransferase-1expression, a regulator of fatty acid oxidation, increased mostly in BFL1:2 and BFL1:3. Tumor necrosis factor-${\alpha}$ and interleukin-$1{\beta}$ expression was reduced in BL compared to that in BF and BFL1:2 in HepG2 cells. Interestingly, BL increased propionate production, and BF increased butyrate and propionate production and increased total SCFA content in fecal incubation. BF increased the contents of Bifidobacteriales and Lactobacillales and decreased those of Clostridiales, whereas BL elevated the contents of Bacteroidales and decreased those of Enterobacteriales. In conclusion, BFL1:2 and BFL1:3 may be potential therapeutic candidates for NAFLD.

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