MicroRNA in cancer therapy: breakthroughs and challenges in early clinical applications

Area of Science:

• Oncology
• Molecular Biology
• Biotechnology

Background:

• MicroRNAs (miRNAs) are crucial regulators in cancer biology, affecting tumorigenesis, progression, and therapy resistance.
• Their capacity to influence multiple oncogenic and tumor-suppressive pathways makes them significant therapeutic targets or tools.

Purpose of the Study:

• To review the dual role of microRNAs in both solid and hematological malignancies.
• To provide a comprehensive overview of current miRNA-based therapies in early clinical trials and future directions.

Main Methods:

• Review of scientific literature on microRNA dysregulation in various cancer types.
• Analysis of therapeutic strategies, including miRNA replacement and inhibition.
• Examination of innovative delivery systems like lipid nanoparticles and exosomes.

Main Results:

• MicroRNAs exhibit a dual role in cancer, acting as both oncogenes and tumor suppressors.
• Various miRNA-based therapeutic strategies are under investigation, utilizing novel delivery systems.
• Clinical trials show promise but highlight challenges such as off-target effects and delivery inefficiencies.

Conclusions:

• MicroRNA-based therapies hold transformative potential for precision oncology.
• Overcoming challenges in specificity and toxicity is crucial for clinical success.
• Further research and advanced strategies are needed to optimize miRNA therapeutics.