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The researchers reported that dsRNA from damaged skin activates TLR3, promoting hair follicle regeneration, while TLR3-deficient animals fail to initiate this process, suggesting potential therapeutic approaches for hair neogenesis.

This study found that TLR3 activation in human keratinocytes enhances exosome biosynthesis and expression of hair follicle stem cell markers, suggesting a potential mechanism for tissue regeneration.

This study found that TLR3-mediated damage sensing can stimulate prostaglandin and Wnt pathways, potentially coordinating hair follicle regeneration in mice with large skin wounds.

This study suggests that dsRNA may enhance KRT9 expression in palm and sole skin through β-catenin signaling, potentially linking mechanical damage to specific skin features and certain skin conditions.

This study found that self-noncoding dsRNA activates TLR3 to stimulate intrinsic retinoic acid synthesis, promoting new hair follicle formation in wounded mice and showing similar gene expression changes in humans treated with rejuvenation lasers.