December 2022 in “Stem Cells and Development” The researchers reported that using exosomes from hair follicle stem cells with acellular nerve allografts helped bridge facial nerve defects in rats and may match the effectiveness of autograft therapy.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that applying topical 6% gabapentin twice daily reduced disease activity and scalp pruritus in a patient with lymphocytic cicatricial alopecia, with no adverse effects reported.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that the occipital scalp had significantly higher epidermal nerve fiber density than the frontoparietal scalp, which may explain increased sensitivity in some patients.
March 2026 in “Institutional Repositories DataBase (IRDB)” This study observed an association between intense itching in anterior chest keloids and an increased density of nerve fibers in the epidermis, alongside elevated expression of the pruritus mediator substance P, though no difference was found in Langerhans cells related to pruritus, location, or region.
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July 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” This study demonstrated that human skin can be efficiently reinnervated using human induced pluripotent stem cell-derived neural stem cells, promoting skin vitality and sensory reinnervation comparable to physiological conditions.