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The RNA modification landscape in human disease.

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RNA modifications, once thought minor, are now known to be dynamic, widespread regulators in crucial biological processes. This review catalogs these modifications and their links to diseases like cancer and neurological disorders.

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Area of Science:

  • Molecular Biology
  • Epigenetics
  • Genomics

Background:

  • Historically, RNA modifications were viewed as static, fine-tuning structural elements of core RNAs (rRNAs, tRNAs, snoRNAs).
  • Recent advances reveal RNA modifications are dynamic, reversible, and play significant roles in fundamental biological processes.
  • These processes include cell differentiation, sex determination, and stress responses.

Purpose of the Study:

  • To summarize the current knowledge on RNA modifications.
  • To provide a comprehensive catalog of known RNA modifications.
  • To highlight the association of RNA modifications with various diseases, including neurological disorders and cancers.

Main Methods:

  • Systematic transcriptome-wide mapping and quantification of RNA modifications.
  • Literature review and data compilation for cataloging RNA modifications.
  • Analysis of existing data linking RNA modifications to disease states.

Main Results:

  • RNA modifications are far more widespread and dynamically regulated than previously understood.
  • These modifications are involved in critical cellular functions and biological pathways.
  • A strong correlation exists between specific RNA modifications and the pathogenesis of neurological disorders and cancers.

Conclusions:

  • The understanding of RNA modifications has shifted from structural fine-tuning to regulatory roles in major biological processes.
  • The compiled catalog serves as a valuable resource for researchers studying RNA modifications and their disease implications.
  • Emerging direct RNA-sequencing technologies will facilitate further transcriptome-wide mapping and prioritization of key RNA modifications.