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Updated: Jun 13, 2025

Isolation, Culture, and Characterization of Primary Dermal Fibroblasts from Human Keloid Tissue
Published on: July 28, 2023
Update on the Pathogenesis of Keloid Formation
David I Latoni1,2, Danica C McDaniel1,2, Hensin Tsao1
1Department of Dermatology, Massachusetts General Hospital, Boston, Massachusetts, USA.
Keloids are abnormal scars affecting many people, but their exact cause remains unclear. This review explores genetic, epigenetic, and cellular factors to understand keloid development and guide future treatments.
Area of Science:
- Dermatology
- Pathophysiology
- Genetics
Background:
- Keloids are prevalent abnormal skin growths with incompletely understood pathophysiology.
- Current understanding of keloid development requires further elucidation.
Purpose of the Study:
- To review and synthesize current literature on the pathophysiological mechanisms of keloid formation.
- To identify knowledge gaps and propose future research directions for keloid pathogenesis.
Main Methods:
- Comprehensive literature review of pathophysiological mechanisms of keloids.
- Top-down approach examining host factors (genetics, endocrine) and granular factors (epigenetics, immune response, cell signaling).
Main Results:
- Exploration of host factors including genetic predisposition variants and endocrine influences.
- Detailed examination of epigenetic and transcriptomic factors, immune dysregulation, and signaling pathways involved in fibrosis and angiogenesis.
Conclusions:
- Significant knowledge gaps persist in understanding keloid pathogenesis.
- Further research into genetic, epigenetic, and cellular mechanisms is warranted.
- Enhanced understanding may lead to novel therapeutic strategies for keloid treatment.
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