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KMID : 1134820140430060822
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Journal of the Korean Society of Food Science and Nutrition
2014 Volume.43 No. 6 p.822 ~ p.828
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Inhibitory Effects of Allium sacculiferum Max. Methanol Extracts on ROS Production and Lipid Accumulation during Differentiation of 3T3-L1 Cells
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Choi Hye-Young
Kim Gun-Hee
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Abstract
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Allium sacculiferum Max. (ASM) is a perennial plant of the Liliaceae family and grows over the entire regions of Korea. Obesity is a serious health problem worldwide and has currently become a prevalent chronic disease. Adipocytes produced by preadipocyte differentiation during adipogenesis and adipocytes combined with abnormal accumulation cause obesity. Recently, intracellular reactive oxygen species (ROS) were shown to accelerate lipid accumulation in 3T3-L1 cells. In this study, we investigated the effects of ASM methanol extracts on ROS production and lipid accumulation in 3T3-L1 adipocytes. Our results indicate that the 1,1-diphenyl-2-picrylhydrazyl radical scavenging activity of ASM methanol extracts increased in a dose-dependent manner. ASM methanol extracts suppressed ROS production and lipid accumulation during adipogenesis. In addition, ASM methanol extracts inhibited the mRNA expression of both pro-oxidant enzymes such as glucose-6-phosphate dehydrogenase as well as the transcription factors, including sterol regulatory element-binding proteins 1c, peroxisome proliferator-activated receptor γ, and CCAAT/enhancer-binding protein α. Our results suggest that ASM methanol extracts inhibit ROS production and lipid accumulation by controlling ROS regulatory genes and adipogenic transcription factors. Thus, ASM has potent natural antioxidant, anti-adipogenic properties and have potential in the development of a potent anti-obesity agent.
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KEYWORD
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Allium sacculiferum Max., adipocyte differentiation, ROS, lipid accumulation
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