ArticleGenes and immunity2026
Radiotherapy combined with anti-PD-1 immunotherapy promotes ferroptosis-driven control of hepatocellular carcinoma.
Article in Genes and immunity, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Combination of radiotherapy (RT) and anti-PD-1 immunotherapy (IO) has shown significant efficacy in treating hepatocellular carcinoma (HCC). Nevertheless, yet the underlying mechanisms remain incompletely understood. A Hepa1-6 mouse HCC model was established to explore the anti-tumor mechanism of combination therapy in HCC. Notably, combination therapy effectively inhibited tumor growth in mice bearing Hepa1-6 tumors. Through MeRIP-sequencing, we indicated that combination therapy increased m6A modification and reduced mRNA expression of Hspb1, a negative regulator of ferroptosis, in tumors from mice. Both combination therapy and Hspb1 downregulation significantly induced Hepa1-6 cell ferroptosis. Metabolomics analysis revealed that Hspb1 downregulation further promoted abnormal lipid metabolism in Hepa1-6 tumor-bearing mice, enhancing pro-ferroptosis effects of combination therapy. Meanwhile, Hspb1 downregulation further enhanced RT and IO-induced anti-tumor immune response in tumor-bearing mice, as evidenced by significantly elevated numbers of cytotoxic CD8 + T cells. Additionally, combination therapy also significantly downregulated RNA demethylase Alkbh5 in tumor-bearing mice. Overexpression of Alkbh5 increased Hspb1 expression and inhibited ferroptosis, indicating that Alkbh5 regulates ferroptosis through targeting Hspb1. Targeting Alkbh5/Hspb1/ferroptosis axis may enhance anti-tumor effects in combination therapy, highlighting a potential therapeutic approach for HCC.
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