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This study demonstrated that disrupting EGFR signaling in mice leads to immune sensitivity compromising the hair follicle's protective environment, but JAK1/2 inhibition can restore this immune privilege and stimulate hair growth, suggesting a potential therapy for scarring hair loss diseases like cicatricial alopecia.

This study found that overexpression of miR-214 in keratinocytes inhibits hair follicle development and cycling by targeting β-catenin in the Wnt signaling pathway.

Scarring alopecias are complex hair loss disorders that require early treatment to prevent permanent hair loss.

This review describes the molecular interactions between androgens and Wnt/ß-catenin signaling in androgenetic alopecia but reports no new experimental or clinical findings; the authors discuss potential Wnt/ß-catenin-targeted treatments for hair growth.

In this study, basal cell carcinoma developed in Ptch-deficient mice only after chemical treatment, not skin wounding, suggesting a second unknown event is necessary for tumor formation.

This study demonstrates that the ability of human hair follicle keratinocytes to form clones decreases with ageing.

This editorial discusses advances in engineering techniques for hair follicle regeneration and highlights future potential but reports no original research findings.

The document concludes that stem cells and their environments are crucial for skin and hair health and have potential for medical treatments.

This study found that the M5 isolation method for human dermal papilla cells significantly improved attachment efficiency, proliferative capacity, and trichogenic potential, providing an optimized strategy for scalable manufacturing in hair regeneration therapies for conditions like alopecia.

In this study, canine hair follicle stem cells were shown to be multipotent, capable of differentiating into various cell types like adipocytes in vitro.

In this study, researchers identified hair follicle stem cells in the bulge region of canine hair follicles, suggesting potential applications for future translational research.

Researchers found potential new targets for treating melanoma and nonmelanoma skin cancers, and identified a possible cause and treatment for male pattern baldness and eczema.

This study suggests that follicular stem cells in the bulge region are not directly targeted in androgenetic alopecia, based on the consistent presence of cytokeratin 15 across scalp samples from affected patients.

In this study, researchers observed that African spiny mice, Acomys cahirinus, are capable of regenerating skeletal muscle in dermal wound sites, unlike common mice, Mus musculus.

This study found that hair-type tissues in hedgehogs show higher enrichment of immune-related genes compared to spine-type tissues, suggesting that spines evolved to protect against injuries and infections.

Activating the Eda/Edar pathway improves wound healing by enhancing hair follicle growth.

This report highlights Amvuttra's approval for hATTR amyloidosis as a more convenient RNAi therapy, and Olumiant's attention as the first systemic drug for hair loss among recent developments.

This study found that inhibiting the Mitochondrial Pyruvate Carrier in human scalp hair follicles caused metabolic stress that halted cell proliferation and disrupted key signaling pathways, with these effects partially reversed by an integrated stress response inhibitor.

PGD2 stops hair growth and is higher in bald men with AGA.

This study reviewed recent theories on alopecia areata's pathogenesis, highlighting its autoimmune nature due to immune privilege disruption in hair follicles, and noted current treatments have limited efficacy with high relapse rates, underscoring the need for further research into its mechanisms for better therapies.

This study found that androgens inhibit hair follicle stem cell differentiation by disrupting the Wnt signalling pathway in dermal papilla cells, but Wnt activation can restore differentiation.

This review discusses the roles of interferon-γ and PPAR-γ-mediated signalling in scarring alopecia, suggesting these pathways as potential therapeutic targets, but it reports no new empirical results.

This study found that LED light irradiation induced proliferation and migration of human outer root sheath cells, potentially through the stimulation of the Wnt/β-catenin and ERK signaling pathways.

This review discusses immunohistological and immunofluorescent methods for studying the human hair follicle cell cycle, reporting no new results, and suggests its potential for advancing cell cycle research.

This study reports that miR-22 promotes cancer progression and metastasis by maintaining Wnt/β-catenin signaling and cancer stem cell function.

This study provides evidence that human sweat gland myoepithelial cells contain stem cells capable of self-renewal and differentiating into sweat gland luminal cells.

This study found that androgen signaling has complex effects on bone formation in male AR3.6-transgenic mice, with varying impacts based on the embryonic lineage of cells.

This study suggests that the secretome from amniotic fluid-derived mesenchymal stem cells overexpressing Nanog could stimulate hair growth and increase follicle density, potentially aiding in alopecia treatment.

This commentary reviews potential dietary and mineral influences on androgenetic alopecia and suggests considering a diet low in cholesterol and glycaemic index with improved glucose control and magnesium fortification, without new clinical results.

This review outlines the clinical and histopathological features that aid in classifying tumors arising from the folliculosebaceous apparatus and reports no new research results.