A bioactive ginsenoside alleviates hepatocellular ferroptosis induced by oxidized phospholipid accumulation in nonalcoholic steatohepatitis

IF 44.4 Q1 MICROBIOLOGY
iMeta Pub Date : 2026-03-20 Epub Date: 2026-03-03 DOI:10.1002/imt2.70114
Yibo Zong, Guo Long, Tiantian Gu, Pan Huang, Yong Tian, Wenwu Xu, Xiheng Hu, Dazun Shi, Lizhi Lu, Tao Zeng
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引用次数: 0

Abstract

Schematic representation showing that 20 (S)-Rg3 improves mouse NASH. 20(S)-Rg3 reduces OxPLs levels and ameliorates ferroptosis in the liver of NASH mice. Mechanistically, 20(S)-Rg3 activates SPOP. Meanwhile, SPOP attenuates the ATF3-mediated transcriptional repression of NUPR1 by enhancing the K48-linked ubiquitination of ATF3. Upregulated NUPR1 rescues redox balance and reduces lipid peroxidation, ultimately inhibiting hepatocellular ferroptosis.

Abstract Image

一种生物活性人参皂苷减轻非酒精性脂肪性肝炎中氧化磷脂积累引起的肝细胞铁下垂
示意图显示20 (S)-Rg3可改善小鼠NASH。20(S)-Rg3可降低OxPLs水平,改善NASH小鼠肝脏铁下垂。机制上,20(S)-Rg3激活SPOP。同时,SPOP通过增强k48相关的ATF3泛素化,减弱了ATF3介导的NUPR1转录抑制。上调的NUPR1恢复氧化还原平衡,减少脂质过氧化,最终抑制肝细胞铁凋亡。
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CiteScore
10.80
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