Investigating Epstein–Barr virus effects on gene stability in gastric cancer, suggesting new therapeutic targets.
Epstein–Barr virus (EBV) infection is closely associated with gastric cancer, yet its role in m6A-dependent gene regulation remains poorly understood. In this study, we investigated how EBV infection alters the m6A methylation pattern in gastric cancer cells and examined its impact on TSC22D1 mRNA stability through interaction with the m6A reader protein YTHDF1. m6A RNA immunoprecipitation sequencing (MeRIP-seq) revealed a significant reduction in m6A methylation of TSC22D1 in EBV-infected gastric cancer cells (AGS-EBV) compared with EBV-negative cells (AGS). Moreover, YTHDF1 knockdown increased both the stability and expression of TSC22D1. These findings demonstrate that YTHDF1 binds to TSC22D1 mRNA and promotes its m6A-dependent degradation. Collectively, our results suggest that EBV infection modulates m6A modification to regulate gene stability and identify the YTHDF1–TSC22D1 axis as a potential therapeutic target in EBV-associated gastric cancer.
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An et al. (2025) studied this question.
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