RNA modification: mechanisms and therapeutic targets

Area of Science:

• Molecular Biology
• Genetics
• Biochemistry

Background:

• RNA modifications are dynamic, reversible chemical alterations on RNA molecules.
• These modifications are regulated by specific enzymes and play critical roles in various biological processes.
• Dysregulation of RNA modifications is implicated in the pathogenesis of numerous diseases, including cancer and neurological disorders.

Purpose of the Study:

• To review common RNA modifications, including m6A, m5C, m1A, m7G, pseudouridine (Ψ), A-to-I editing, and ac4C.
• To discuss the functional roles of these modifications in diverse human diseases.
• To highlight current therapeutic strategies targeting RNA modification enzymes.

Main Methods:

• Literature review of recent advancements in RNA modification research.
• Analysis of the "writing-erasing-reading" mechanisms governing RNA modification functions.
• Compilation of information on small molecule inhibitors and activators targeting RNA modifiers.

Main Results:

• RNA modifications influence mRNA stability, translation, and localization, thereby impacting disease development.
• Specific modifications like m6A are significantly involved in cancer and other pathologies.
• Several small molecule inhibitors targeting RNA-modifying enzymes, particularly for m6A, are under development.

Conclusions:

• RNA modifications are pivotal regulators in human diseases, offering potential therapeutic targets.
• Further research into epitranscriptomics is essential for understanding disease mechanisms and developing novel diagnostics and treatments.
• Development of RNA-modifier-targeting drugs holds promise for clinical applications.