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Lee, Hyo-Geun; Lu, Yu-An; Je, Jun-Geon; Jayawardena, Thilina U; Kang, Min-Cheol; Lee, Seung-Hong; Kim, Tae-Hee; Lee, Dae-Sung; Lee, Jeong-Min; Yim, Mi-Jin; Kim, Hyun-Soo; Jeon, You-Jin
Marine drugs, 02/2021, Volume: 19, Issue: 2Journal Article
( ) is a red seaweed with antioxidant, antidiabetic, anticancer, anti-inflammatory, and anticoagulant activities. However, the anti-obesity activity of has not been fully investigated. Therefore, the effect of ethanol extract on the suppression of intracellular lipid accumulation in 3T3-L1 cells by Oil Red O staining (ORO) was evaluated. Among the eight red seaweeds tested, 60% ethanol extract (GEE) exhibited the highest inhibition of lipid accumulation. GEE was the only extract to successfully suppress lipid accumulation among ethanol extracts from eight red seaweeds. In this study, we successfully isolated chlorophyll derivative (CD) from the ethyl acetate fraction (EA) of GEE by high-performance liquid chromatography and evaluated their inhibitory effect on intracellular lipid accumulation in 3T3-L1 adipocytes. CD significantly suppressed intracellular lipid accumulation. In addition, CD suppressed adipogenic protein expression such as sterol regulatory element-binding protein-1 (SREBP-1), peroxisome proliferator-activated receptor-γ (PPAR-γ), CCAAT/enhancer-binding protein-α (C/EBP-α), and fatty acid binding protein 4 (FABP4). Taken together, our results indicate that CD from GEE inhibits lipid accumulation by suppressing adipogenesis via the downregulation of adipogenic protein expressions in the differentiated adipocytes. Therefore, chlorophyll from has a beneficial effect on lipid metabolism and it could be utilized as a potential therapeutic agent for preventing obesity.
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