KMID : 0665220190320050565
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Korean Journal of Food and Nutrition 2019 Volume.32 No. 5 p.565 ~ p.570
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Effects of Lentils(Lens culinaris) Extract on Proteasome Activity and Nuclear Factor ¥êB Activation in HepG2 Human Liver Cancer Cells
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Min Soo-Yeong
Yoon Hyun-Geun
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Abstract
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Proteasome inhibitors can improve the efficiency of cancer treatments by inhibiting nuclear factor ¥êB(NF-¥êB) activation in cancer cells. Lentils are a type of beans of which consumption of such beans is increasing. The purpose of this study was to investigate the effects of lentils extract (LE) on the proteasomal activities, NF-¥êB activation, and cell cycle in HepG2 human liver cancer cells. LE treatments inhibited proteasomal activities at concentrations of 10, 50, and 100 ¥ìg/mL respectively, and repressed NF-¥êB activation at concentrations of 1, 10, and 100 ¥ìg/mL respectively, in HepG2 cells. LE treatments at concentrations of 1, 10, and 100 ¥ìg/mL respectively, increased sub-G1 cell population in HepG2 cells, which may be the result of apoptosis. The results suggest that LE inhibited NF-¥êB activation partially with its proteasome inhibitory activities, and the increase of sub-G1 cell population was induced partially, by inhibition of NF-¥êB activation in HepG2 cells.
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KEYWORD
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proteasome inhibitor, nuclear factor ¥êB, lentils extract, HepG2 cells
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