April 28, 2026 · Gut · DOI: 10.1136/gutjnl-2025-337331

JOSD1 drives hepatocellular carcinoma malignancy by modulating the ubiquitination-lactylation switch on PGAM1

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The authors investigate the role of the deubiquitinase JOSD1 in the metabolic reprogramming of hepatocellular carcinoma (HCC) and its impact on tumor progression and immune response. They find that JOSD1 enhances glycolysis by modulating the ubiquitination-lactylation switch on PGAM1, leading to immune suppression and poor prognosis. Targeting JOSD1 may offer a promising therapeutic approach to improve treatment outcomes in HCC.

Qing Li, Kai Yu, Suiqing Zhou, Chunyao Fang, Liren Zhang, Feiyu Jin, Xiangyu Hou, Feifan Yao, Yuhong Tang, Jiali Xu, Ruizhi Zhang, Hao Peng, Song Tian, Yang Hu, Dianyu Liu, Xiaofeng Tie, Xiaoyu Liu, Shu Chen, Guandou Yuan, Wen-Li Xu, Mingbei Zhong, Lirong Zhang, Jiaxing Zhang, Yufeng Hu, Zhi-Gang She, Jingjing Dai, Xu Cheng, Songqing He, Xuehao Wang

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