Methylation of LINE-1 and Alu repetitive sequence in keloid
Issued Date
2025-12-01
Resource Type
eISSN
20452322
Scopus ID
2-s2.0-105014914304
Journal Title
Scientific Reports
Volume
15
Issue
1
Rights Holder(s)
SCOPUS
Bibliographic Citation
Scientific Reports Vol.15 No.1 (2025)
Suggested Citation
Prabsattru P., Nakbua T., Sengphairogh S., Kitkumthorn N., Meevassana J. Methylation of LINE-1 and Alu repetitive sequence in keloid. Scientific Reports Vol.15 No.1 (2025). doi:10.1038/s41598-025-17646-2 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/112006
Title
Methylation of LINE-1 and Alu repetitive sequence in keloid
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Abstract
Keloid is a trauma-induced fibroproliferative condition characterized by excessive extracellular matrix (ECM) deposition and aberrant keloid fibroblast activation, leading to physical, psychological, functional, and cosmetic impairments. This study investigates DNA methylation alterations at Long Interspersed Nuclear Element-1 (LINE-1) and Alu repetitive elements in keloid tissues compared to normal skin tissues. Methylation levels and patterns were analyzed in keloid (n = 38) and normal skin tissues (n = 32). The results revealed significantly lower LINE-1 (P < 0.0001) and Alu (P = 0.0147) methylation levels in keloids, with hypomethylation inversely correlated with chronological age. Younger individuals exhibited higher methylation levels compared to older individuals. These findings offer critical insights into the epigenetic mechanisms underlying keloid formation and progression, providing a foundation for developing epigenetic-based therapeutic strategies.