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Anti-obesity effects of red seaweed, Plocamium telfairiae, in C57BL/6 mice fed a high-fat diet.
Food & Function ( IF 6.1 ) Pub Date : 2020/02/27 , DOI: 10.1039/c9fo02924a
Yu An Lu 1 , Hyo Geun Lee 1 , Xining Li 1 , Ji-Min Hyun 1 , Hyun-Soo Kim 1 , Tae Hee Kim 2 , Hye-Min Kim 2 , Jeong Jun Lee 2 , Min-Cheol Kang 3 , You-Jin Jeon 1
Affiliation  

This study aimed to demonstrate the anti-obesity effect of Plocamium telfairiae (PT), a red seaweed. Different percentages of ethanol (0%, 20%, 40%, 60%, 80%, and 100%) were used for the preparation of PT extract. Furthermore, 3T3-L1 cells were used to determine the percentage of ethanol for optimal anti-adipogenesis of PT, and the anti-obesity properties of the optimized extract of PT (PTE) (40%) was assessed in obese mice. The results indicate that 40% ethanol extract (40 PTE) significantly decreased fat accumulation and suppressed the expression of major adipogenesis factors such as peroxisome proliferator-activated receptor-γ (PPAR-γ), sterol regulatory element-binding protein 1 (SREBP-1), CCAAT/enhancer-binding protein (C/EBP)-α, and phosphorylated ACC (pACC) in 3T3-L1 cells. Furthermore, in the high-fat diet-induced obese mice, 40 PTE significantly reduced the weights of white adipose tissue, as well as the levels of triglyceride, total cholesterol, adiponectin, and insulin in the serum. Liver histopathology showed that steatosis decreased in all the PTE treatment groups. The adipogenesis-related proteins, PPAR-γ and SREBP-1, were also significantly decreased in PTE treatment groups. Additionally, 40 PTE increased mRNA expression of mitochondrial uncoupling proteins (UCP)-1 and UCP-3 in brown adipose tissue. These findings provide evidence that 40 PTE can alleviate lipid droplet accumulation in 3T3-L1 adipocytes and obese C57BL/6 mice, indicating that PTE has strong anti-obesity effects and could be used as a therapeutic agent or a component of pharmaceutical drugs and functional foods.

中文翻译:

红海藻(Plocamium telfairiae)对高脂饮食的C57BL / 6小鼠的抗肥胖作用。

这项研究旨在证明红海藻Plocamium telfairiae(PT)的抗肥胖作用。使用不同百分比的乙醇(0%,20%,40%,60%,80%和100%)制备PT提取物。此外,使用3T3-L1细胞确定乙醇对PT的最佳抗脂肪形成作用的百分比,并评估了肥胖小鼠中PT最佳提取物(PTE)(40%)的抗肥胖特性。结果表明,40%乙醇提取物(40 PTE)显着减少脂肪积累并抑制主要的脂肪生成因子如过氧化物酶体增殖物激活受体-γ(PPAR-γ),固醇调节元件结合蛋白1(SREBP-1)的表达),CCAAT /增强子结合蛋白(C / EBP)-α和3T3-L1细胞中的磷酸化ACC(pACC)。此外,在高脂饮食诱导的肥胖小鼠中,40 PTE可以显着降低白色脂肪组织的重量,以及血清中甘油三酸酯,总胆固醇,脂联素和胰岛素的水平。肝组织病理学表明,在所有PTE治疗组中脂肪变性均降低。在PTE治疗组中,与脂肪形成相关的蛋白PPAR-γ和SREBP-1也显着降低。此外,40 PTE增加了棕色脂肪组织中线粒体解偶联蛋白(UCP)-1和UCP-3的mRNA表达。这些发现提供了证据,表明40 PTE可以减轻3T3-L1脂肪细胞和肥胖C57BL / 6小鼠中脂质滴的积累,表明PTE具有很强的抗肥胖作用,可以用作治疗剂或用作药物和功能性食品的成分。以及血清中甘油三酸酯,总胆固醇,脂联素和胰岛素的水平。肝组织病理学表明,在所有PTE治疗组中脂肪变性均降低。在PTE治疗组中,与脂肪形成相关的蛋白PPAR-γ和SREBP-1也显着降低。此外,40 PTE增加了棕色脂肪组织中线粒体解偶联蛋白(UCP)-1和UCP-3的mRNA表达。这些发现提供了证据,表明40 PTE可以减轻3T3-L1脂肪细胞和肥胖C57BL / 6小鼠中脂质滴的积累,表明PTE具有很强的抗肥胖作用,可以用作治疗剂或用作药物和功能性食品的成分。以及血清中甘油三酸酯,总胆固醇,脂联素和胰岛素的水平。肝组织病理学表明,在所有PTE治疗组中脂肪变性均降低。在PTE治疗组中,与脂肪形成相关的蛋白PPAR-γ和SREBP-1也显着降低。此外,40 PTE增加了棕色脂肪组织中线粒体解偶联蛋白(UCP)-1和UCP-3的mRNA表达。这些发现提供了证据,表明40 PTE可以减轻3T3-L1脂肪细胞和肥胖C57BL / 6小鼠中脂质滴的积累,表明PTE具有很强的抗肥胖作用,可以用作治疗剂或用作药物和功能性食品的成分。在PTE治疗组中,与脂肪形成相关的蛋白PPAR-γ和SREBP-1也显着降低。此外,40 PTE增加了棕色脂肪组织中线粒体解偶联蛋白(UCP)-1和UCP-3的mRNA表达。这些发现提供了证据,表明40 PTE可以减轻3T3-L1脂肪细胞和肥胖C57BL / 6小鼠中脂质滴的积累,表明PTE具有很强的抗肥胖作用,可以用作治疗剂或用作药物和功能性食品的成分。在PTE治疗组中,与脂肪形成相关的蛋白PPAR-γ和SREBP-1也显着降低。此外,40 PTE增加了棕色脂肪组织中线粒体解偶联蛋白(UCP)-1和UCP-3的mRNA表达。这些发现提供了证据,表明40 PTE可以减轻3T3-L1脂肪细胞和肥胖C57BL / 6小鼠中脂质滴的积累,表明PTE具有很强的抗肥胖作用,可以用作治疗剂或用作药物和功能性食品的成分。
更新日期:2020-03-27
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