What does this research mean for the field?

Modifying a single base within the TIGIT gene in Natural Killer cells converts its inhibitory signaling into an activating axis, thereby enhancing antitumor immunity and improving cancer immunotherapy efficacy. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This research aims to explore how base editing the TIGIT gene affects NK cell signaling and antitumor responses.

April 17, 2026Cancer Research2 citations

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Base Editing of TIGIT Reprograms CD155 Signaling in Natural Killer Cells to Enhance Cancer Immunotherapy Efficacy

CFCheng Fang GLGuanglei LiChinese National Human Genome Center MHMin HanChinese Academy of Sciences

Key Points

This research aims to explore how base editing the TIGIT gene affects NK cell signaling and antitumor responses.
Applied base editing technique to modify the TIGIT gene in NK cells.
Assessed changes in inhibitory and activating signaling pathways after modification.
Evaluated the antitumor immune response in treated NK cells.
Modified NK cells demonstrated enhanced antitumor immunity.
Signaling shifted from inhibitory to activating following TIGIT modification.
Base editing shows potential as a novel strategy for improving cancer immunotherapy.

Abstract

Modifying a single base within the TIGIT gene in NK cells switches inhibitory signaling to an activating axis that enhances antitumor immunity, supporting base editing of immune cells as an immunotherapeutic strategy.

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Cite This Study

Fang et al. (Fri,) studied this question.

synapsesocial.com/papers/69e1d0165cdc762e9d85914d https://doi.org/https://doi.org/10.1158/0008-5472.can-25-0733

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