June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” This pilot study suggests that a new preparation of platelet-rich plasma gel may improve symptoms and tissue regeneration in patients with en coup de sabre scleroderma, though further trials are needed to clarify its role.
April 2019 in “Journal of Investigative Dermatology” In this pilot study, combined platelet-rich plasma therapies showed potential benefits for improving skin elasticity and vascular network density in morphea patients, but the small sample size limits definitive conclusions.
May 2026 in “Stem Cell Research & Therapy” This study found that exosomes derived from dental pulp mesenchymal stem cells (DPSC-Exos) significantly promoted hair regrowth and follicle density in a mouse model of androgenetic alopecia, showing similar efficacy to minoxidil by activating pathways that improve follicular vascularization and dermal papilla cell function.
45 citations
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July 2006 in “Journal of Investigative Dermatology” This study found that doxorubicin disrupts hair-follicle-associated blood vessels, which may contribute to hair follicle dystrophy and alopecia in mice, but hair-follicle stem cells remained unaffected.
22 citations
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July 2019 in “PLOS ONE” This study found that lymphatic vessels promote hair follicle growth in mice and may represent new therapeutic targets for hair loss conditions.