Non-coding RNAs in skeletal muscle regeneration.

Area of Science:

• Muscle biology
• Molecular biology
• Regenerative medicine

Background:

• Skeletal muscle regeneration relies on satellite cells, which activate, proliferate, and differentiate post-injury.
• Muscle repair involves distinct, overlapping phases: inflammation, regeneration, and myofiber maturation.
• Gene expression orchestrates muscle regeneration, involving transcription factors and non-coding RNAs.

Purpose of the Study:

• To review the roles of microRNAs and long non-coding RNAs in skeletal muscle regeneration.
• To elucidate the regulatory functions of non-coding RNAs in muscle repair processes.
• To highlight non-coding RNAs as key players in muscle healing.

Main Methods:

• Literature review of studies on non-coding RNAs in muscle regeneration.
• Analysis of gene and signaling networks controlling muscle repair.
• Focus on microRNAs and long non-coding RNAs' involvement in regeneration phases.

Main Results:

• Non-coding RNAs significantly influence muscle regeneration.
• MicroRNAs and long non-coding RNAs modulate inflammatory, regenerative, and maturation processes.
• These RNAs complement transcriptional regulation by myogenic factors.

Conclusions:

• Non-coding RNAs are critical regulators of skeletal muscle regeneration.
• Understanding these RNAs offers potential therapeutic targets for muscle injuries.
• Further research into non-coding RNA networks is essential for muscle repair strategies.