Exploring the role of ribosomal RNA modifications in cancer.

Recent advances have highlighted the significant roles of post-transcriptional modifications in rRNA in various cancers. Evidence suggests that dysregulation of rRNA modifications acts as a common denominator in cancer development, with alterations in these modifications conferring competitive advantages to cancer cells. Specifically, rRNA modifications modulate protein synthesis and favor the specialized translation of oncogenic programs, thereby contributing to the formation of a protumorigenic proteome in cancer cells. These findings reveal a novel regulatory layer mediated by changes in the deposition of rRNA chemical modifications. Moreover, inhibition of these modifications in vitro and in preclinical studies demonstrates potential therapeutic applications. The recurrence of altered rRNA modification patterns across different types of cancer underscores their importance in cancer progression, proposing them as potential biomarkers and novel therapeutic targets. This review will highlight the latest insights into how post-transcriptional rRNA modifications contribute to cancer progression and summarize the main developments and ongoing challenges in this research area.

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Declaration of Competing Interest The authors declare no financial assistance provided by a third party with a vested interest in the reported work entitle Exploring the role of ribosomal RNA modifications in cancer. The authors declare no relationships in the last years between the author and a third party that may have an interest in the subjected matter beyond this manuscript. The authors disclose no patents or copyrights relevant to the work in this manuscript.