This study found that activating BMP signaling in rodent and primate models significantly promotes nail and digit regeneration after amputation by enhancing the role of specific nail stem cells, though extreme proximal amputation only permitted partial regeneration without bone reconstruction.
110 citations
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August 2004 in “British Journal of Dermatology” In this study, researchers identified the ventral matrix as the primary source of nail plate formation, while the dorsal portion is generated by the apical matrix.
119 citations
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January 2000 in “British Journal of Dermatology” This study found that keratin expression patterns vary within nail unit structures, with the nail matrix uniquely expressing the acidic hair-type keratin Ha1.
19 citations
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April 1999 in “British Journal of Dermatology” This study shows that keratin 2e exhibits distinct temporal and regional expression patterns in fetal epidermis, suggesting different regulatory and functional roles from other epidermal keratins.
2 citations
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January 2025 in “Dermatology Practical & Conceptual” In this study, dermoscopic examination of COVID-19 patients revealed significant microvascular changes in the proximal nailfold, such as avascular areas and disorganized capillary architecture, compared to healthy controls, with some regression of these changes observed over time.
