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ARTICLE | Distillery Therapeutics

Inhibiting T cell PCIF1 for antitumor immunity

April 1, 2025 3:41 AM UTC

Inhibiting PCIF1 – an RNA M6Am methyltransferase that promotes terminal modification of mRNA caps to decrease gene expression – in CD8+ T cells could help treat cancer by increasing the activation and ferroptosis resistance of tumor-targeting T cells.

In bioinformatic analyses of public B cell malignancy and melanoma patient datasets, higher PCIF1 mRNA expression in tumor-infiltrating CD8+ T cells correlated with decreased response to CAR T cell therapy and immune checkpoint therapy, respectively. ...

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