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Cause of vocal fold scar
1Centre for Voice and Swallowing, University of California, Davis, Sacramento, California 95817, USA. jacquieallen@yahoo.com
Current Opinion in Otolaryngology & Head and Neck Surgery
|September 24, 2010
Summary
Vocal fold scar causes significant debilitation. Understanding the macroscopic and molecular mechanisms of scar formation, including inflammatory cytokines and growth factors, is key to developing new treatments.
Area of Science:
- Otolaryngology
- Regenerative Medicine
- Molecular Biology
Background:
- Vocal fold scar significantly impacts quality of life and is challenging to treat.
- Understanding scar mechanisms is crucial for developing effective therapies.
Purpose of the Study:
- To review recent literature on the gross and molecular mechanisms of vocal fold scar formation.
- To highlight the complex processes involved in glottal scar development.
Main Methods:
- Literature review of studies examining vocal fold scar mechanisms.
- Analysis of both macroscopic and molecular aspects of scar production.
Main Results:
- Vocal fold scar can result from trauma to the lamina propria, leading to epithelial tethering.
- Molecularly, inflammatory cytokines recruit fibroblasts, initiating a fibrotic cascade.
- Transforming growth factor-β plays a key role in fibrosis, balanced by matrix metalloproteinases and hepatocyte growth factor.
Conclusions:
- Complex molecular processes drive vocal fold scar and lamina propria fibrosis.
- Mechanistic understanding provides targets for antifibrotic therapies.
- New insights may lead to improved prevention and treatment strategies for vocal fold scar.
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