CircRNA-Based Therapeutics: a New Frontier in Neuroinflammation Treatment

Area of Science:

• Neuroscience and Molecular Biology
• Investigates the role of circular RNAs in central nervous system inflammation.

Background:

• Neuroinflammation is a complex response in the central nervous system (CNS) implicated in neurological disorders.
• Circular RNAs (circRNAs) are emerging as key regulators in neuroinflammatory diseases, presenting novel therapeutic targets.

Purpose of the Study:

• To provide a comprehensive overview of current research on circRNA modulation for neuroinflammation.
• To review mechanisms of circRNA action and their therapeutic potential in neuroinflammatory settings.

Main Methods:

• Review of studies employing circRNA silencing (siRNA, shRNA) and overexpression (plasmid, mimic transfection) strategies.
• Analysis of specific circRNAs (e.g., circHIPK2, circMETTL9, circCDC14A, circ_DLGAP4) and their targeted biomolecules (e.g., STAT3, p38 MAPK, NF-κB).

Main Results:

• Silencing circRNAs can regulate STAT3, chemokines, and p38 MAPK, impacting neuroinflammation.
• Overexpression of circRNAs can enhance anti-inflammatory effects by targeting NF-κB and HSP90.
• Specific circRNA-mediated axes (e.g., circ-Shank3/TLR4) influence neuroinflammation modulation.

Conclusions:

• CircRNAs represent a promising avenue for therapeutic intervention in neuroinflammatory diseases.
• Understanding circRNA regulatory mechanisms is crucial for developing effective neuroprotective strategies.