세잎쥐손이풀(Geranium wilfordii Maxim.) 에탄올 추출물이 지방생성 및 지방합성에 미치는 영향
Effects of Geranium wilfordii Maxim. Ethanol Extract of on Adipogenesis and Lipogenesis
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본 연구는 추출용매에 따른 세잎쥐손이풀 추출물의 중성지방 조절에 대한 논문으로 3T3-L1 지방전구세포를 이용해 지방세포로 분화유도한 뒤 lipid accumulation, triglyceride contents, PPARγ, C/EBPα, FAS, SCD-1 및 AMPK 단백질 발현을 확인하였다. 실험결과 다섯가지 조건의 세잎쥐손이풀 추출물 중 NG-GT-T3L lipid accumulation과 triglyceride contents의 가장 높은 억제 효능을 확인하였다. NG-GT-T3L 추출물의 세포내 지방 축적 억제는 지방세포 내 adipogenesis와lipogenesis를 조절하는 효소 조절을 통해 나타난 결과로 판단된다. 따라서 세잎쥐손이풀 추출물은 PPARγ, C/EBPα, FAS, SCD-1를 억제시키고, AMPK를 증가시켜 세포내 중성지방을조절함으로서 체지방 감소 후보 소재로의 사용이 가능할 것으로 사료된다.
Abstract
In this study, the anti-obesity effect of Geranium wilfordii Maxim. extract was studied using 3T3-L1 cells. Geranium wilfordii Maxim. was extracted with water (NG-GT-T1L), 10% ethanol (NG-GT-T2L), 30% ethanol (NG-GT-T3L), 50% ethanol (NG-GT-T4L), 70% ethanol (NG-GT-T5L), and the effects on cell viability, lipid accumulation, triglyceride content, and protein expression in 3T3-L1 cells were confirmed. It was confirmed that NG-GT-T3L extract was superior to other extract conditions in reducing lipid accumulation and triglyceride content in the concentration range that did not show cytotoxicity. In addition, it was confirmed to suppress adipogenesis and lipogenesis by reducing the expression of peroxisome proliferator-activated receptor-gamma (PPARγ) and CCAAT/enhancer binding protein-α(C/EBPα) proteins that regulate adipogenesis, decreasing the expression of fatty acid synthetase (FAS) and stearoyl CoA desaturase-1 (SCD-1) proteins that regulate lipogenesis, and increasing the expression of AMP-activated protein kinase (AMPK) protein. From these research results, Geranium wilfordii Maxim. NG-GT-T3L extract is believed to have anti-obesity reduction effects through suppressing lipid accumulation and triglyceride accumulation and regulating adipogenesis and lipogenesis-related proteins.
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