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This review outlines the transition from simple hair follicle organoids to immune-competent microphysiological systems, addressing limitations in replicating native hair follicle immune features and discussing their applications in disease modeling and regenerative medicine.

This review discusses recent advancements in hair follicle organoid technology for alopecia treatment but presents no new experimental results, emphasizing the potential for clinical applications and drug screening.

This study demonstrates that a novel autologous hair follicle-derived epithelial sheet can effectively repigment skin in patients with stable vitiligo, offering a potential new treatment option.

This study found that women with telogen effluvium had significantly lower serum ferritin levels compared to healthy controls, suggesting an association between iron deficiency and this form of hair loss.

The study introduced an advanced skin model, ImmuSkin-MT, which effectively distinguished between different strengths of skin sensitizers by mimicking the interaction of immune cells in skin tissue.

This study highlights that human hair follicle dermal papilla cells and glypicans play crucial roles in regulating hair follicle stem cell differentiation.

This review discusses various management methods for adolescents with PCOS, highlighting lifestyle modifications and pharmaceuticals like metformin and oral contraceptives, but reports no new clinical results; the authors emphasize individualized treatment plans.

In this study, black rice extract ointment was found to enhance hair follicle growth in Wistar rats, with 10% to 30% formulations showing progressively greater hair growth after 21 days, attributed to the high antioxidant content.

In this case report, folliculitis decalvans with frontal fibrosing alopecia was observed in a patient with a dark phototype, highlighting the phenotypic spectrum of folliculitis decalvans and lichen planopilaris.

This study found that a catalytically active version of Vav2 significantly altered gene expression patterns in hair follicle stem cells in mice, with these changes varying over the animals' lifespans.

This study concluded that lenalidomide significantly induces the proliferation and migration of melanocyte stem cells, enhancing their differentiation into functional melanocytes in a mouse model.

This study found that keratin-associated proteins related to metallothionein and occludin appear in various animals, suggesting they may have roles beyond hair characteristics and were later adapted for hair production.

This case report describes a 61-year-old female with hyperandrogenic symptoms, where an ovarian hemangioma with stromal luteinization was identified and surgically removed, resulting in improved symptoms.

This study reports two cases of severe alopecia areata showing seemingly permanent hair regrowth with a modified triamcinolone acetonide regimen involving epinephrine, and suggests a potential role for epinephrine in enhancing treatment efficacy.

This study found that melatonin receptor genes play a key regulatory role in the development of goose skin feather follicles during embryonic development.

This study found that hair follicle stem cells, when transplanted in a rat model of ischaemic stroke, migrated to affected areas, expressed neuron-specific markers, and reduced infarct volume, suggesting potential therapeutic benefits.

This study found that activating the Sonic hedgehog pathway in scarring wounds can redirect wound repair to favor hair follicle regeneration instead of fibrosis.

This study found that using a commercially available IPL home-use device led to significant hair reduction and demonstrated long-term efficacy in maintaining hair reduction one year after treatment.

This study found that electrical epilation in organ-cultured human scalp skin perturbs hair follicles by causing inflammation, impairing melanin production, and possibly inhibiting post-epilation hair re-growth.

This study found that external light can rapidly activate hair follicle stem cells in animals via a retinal light-sensing pathway linked to the central and autonomic nervous systems.

This study found that treating human skin explants with TPA increased the number of certain melanocyte phenotypes in the interfollicular epidermis, suggesting that this ex vivo model can effectively replicate human skin's pharmacologic responses for studying potential treatments.

This study investigated novel genetic tools to manipulate hair follicle compartments in mice and found that altering dermal papilla genes can significantly impact hair pigmentation.

This study found that Fgf20 signaling facilitates fibroblast migration and influences dermal condensate cell development during hair follicle morphogenesis by supporting cellular activities such as cell cycle exit and specific cell shape adoption.

This study identified a specific subset of macrophages as a key source of oncostatin M, maintaining hair follicle stem cell quiescence during the resting phase in mice, suggesting a potential target for treating hair disorders.

This study provides a comprehensive platform to explore stem cell interactions regulating hair follicle growth, revealing key signaling pathways in epithelial-mesenchymal interactions using advanced RNA sequencing and transgenic reporters.

This study found that treatment with PTH-CBD stimulated hair growth in mice with alopecia areata, with increased levels of beta catenin indicating activation of the Wnt pathway.

This study found that combining photobiomodulation with topical minoxidil did not produce additional hair growth benefits in males with androgenetic alopecia compared to using minoxidil alone.

This article reviews the characteristics, pathogenesis, and treatment strategies for folliculitis decalvans, emphasizing the importance of early recognition and treatment to mitigate hair loss, but reports no new clinical results.

This dissertation reported that the loss of Ovol2 impairs hair follicle regeneration and wound repair in mice, highlighting its role in regulating directional migration of epithelial cells.

In this study, researchers observed that men with androgenetic alopecia had a higher prevalence of metabolic syndrome compared to those without alopecia, which may warrant early screening for metabolic syndrome to prevent coronary artery disease, despite the study's small sample size.