Saponins of Tomato Extract Improve Non-Alcoholic Fatty Liver Disease by Regulating Oxidative Stress and Lipid Homeostasis.

Saponins of Tomato Extract Improve Non-Alcoholic Fatty Liver Disease by Regulating Oxidative Stress and Lipid Homeostasis.
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DOI:
10.3390/antiox12101848
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发表时间:
2023-10-12
期刊:
Antioxidants (Basel, Switzerland)
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本研究探讨番茄提取物总皂甙(STE)对非酒精性脂肪性肝病(NAFLD)的影响。结果表明,在NAFLD小鼠中引入STE在改善氧化应激、脂代谢紊乱、内脏脂肪沉积和脂肪肝疾病方面显示出良好的效果。此外,机制研究表明,STE通过激活腺苷单磷酸(AMP)激活的蛋白激酶(AMPK),从而抑制与脂肪酸合成相关的下游蛋白表达来发挥作用。在这种情况下,脂质代谢可以得到改善。同时,STE可促进核因子红系2相关因子2(Nrf2)进入细胞核,启动下游抗氧化因子的转录,从而减轻高脂饮食引起的氧化应激,降低肝脏的氧化损伤。这些结果表明,给予STE可以被认为是治疗NAFLD的一种可行的选择,提供了一种调节AMPK和Nrf2信号通路的机制。
The present study investigated the impact of saponins of tomato extract (STE) on non-alcoholic fatty liver disease (NAFLD). The findings demonstrated that introducing STE in NAFLD mice revealed promising results in ameliorating symptoms of oxidative stress, lipid metabolism disorders, visceral fat deposition and fatty liver disease. Moreover, the mechanistic studies have demonstrated that STE delivers its effects by activating adenosine 5′-monophosphate (AMP)-activated protein kinase (AMPK), thereby suppressing downstream protein expression associated with fatty acid synthesis. In such conditions, lipid metabolism can be improved. Simultaneously, STE enhanced nuclear factor erythroid 2-related factor 2 (Nrf2) and entry into the nucleus and initiated the transcription of downstream antioxidant factors, thereby relieving oxidative stress induced by a high-fat diet and lowering oxidative damage to the liver. Such results imply that the administration of STE can be regarded as a viable treatment option for NAFLD, providing a mechanism that can regulate the AMPK and Nrf2 signaling pathways.
绞股蓝皂苷抑制黄嘌呤氧化还原酶并改善高胆固醇和高脂肪食物(脂质乳剂)引起的高尿酸血症大鼠的尿酸盐排泄
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