March 2024 in “International Journal of Cosmetic Science” This study observed that dandruff-affected scalp skin has increased T-cell infiltration in the epidermis and a reduction in the hair follicle's physiological immune privilege, particularly in the suprabulbar outer root sheath area, indicating a distinct immune microenvironment compared to healthy scalp.
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June 2024 in “Biofabrication” This study used digital-light-processing bioprinting to create a 3D skin-on-a-chip model with a miniaturized vascular network to closely study immune cell interactions similar to real human skin, demonstrating the potential to analyze immune-T cell trafficking influenced by skin signals.
September 2017 in “Journal of Investigative Dermatology” This study suggests that sweat glands may have an immune privilege similar to hair follicles, and disruptions in this could contribute to autoimmune skin diseases.
January 2026 in “Journal of Investigative Dermatology” This study found that human γδTregs promoted hair regrowth and restored hair follicle immune privilege in a model of alopecia areata, suggesting potential for cell-based therapy in autoimmune diseases.
November 2022 in “Annals of Translational Medicine” This study identified four hub genes that are closely linked to the causative factors of androgenetic alopecia, suggesting potential diagnostic and therapeutic targets.
