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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.

This study identified WNT10A as crucial for adult epithelial cell proliferation and differentiation, suggesting β-catenin pathway activation may help address regenerative defects in WNT10A mutation patients.

This study found that newborn mouse skin organoids can robustly grow hair in vivo, while adult organoids require specific interventions to restore their hair-forming ability.

This case series suggests a possible, though likely very rare, association between vaccinations and hair loss, calling for further research in more defined populations.

This review discusses the progress in identifying stem cells responsible for tissue regeneration and highlights technological advances in tracking their behavior, but reports no new clinical results.

This study found that sympathetic nerves and arrector pili muscles form a niche that modulates hair follicle stem cell activity, revealing their role in hair follicle regeneration.

This study found that short-chain fatty acids produced by the skin microbe Propionibacterium acnes may drive inflammatory gene expression in sebocytes, potentially contributing to acne.

This review discusses newly identified non-Edg family lysophosphatidic acid receptors, detailing their roles in vascular development, platelet activation, and hair growth, and reports no clinical results.

In this study, researchers reported that a keratinocyte growth factor-Ig fusion protein could specifically detect and localize KGFRs in epithelial tissues, suggesting a method for histochemical detection of growth factor receptors.

In this study, finasteride doses as low as 0.2 mg per day significantly reduced both scalp skin and serum DHT levels in men with androgenetic alopecia.

In this study, expressing human K16 in the epidermis of K14 null mice prevented early skin blistering but led to age-related anomalies, indicating K16 and K14 have distinct roles despite their sequence similarity.

In this study, contaminated drinking water in Dakahlyia governorate was linked to health issues like hair loss, renal failure, and liver cirrhosis, attributed to industrial and agricultural pollutants.

This study found that finasteride at 1 mg/day was the most effective dose for treating male pattern hair loss, with similar efficacy to 5 mg/day and better results than lower doses.

This article reviews sex disparities in COVID-19 outcomes and explores the influence of sex hormones on disease severity, but it reports no new results; further studies are ongoing.

Apremilast was not effective in treating moderate-to-severe alopecia areata.

This study found that deleting the CD98hc protein in mouse skin impairs wound healing and homeostasis, resembling aging effects, due to disrupted integrin signaling pathways.

Iron deficiency is not a significant cause of hair loss in women.

This study discusses the immune dysregulation observed in individuals with Down syndrome, highlighting their increased risk for autoimmune skin conditions, but does not yet clarify the molecular mechanisms behind this profile.

This review discusses immune pathways involved in alopecia areata and explores emerging, more targeted therapeutic strategies, noting their potential for better safety and effectiveness compared to traditional immune suppressants.

This review discusses the demographic, dermatologic, clinical, and psychodynamic aspects of trichotillomania, exploring its potential link to anxiety but reports no new clinical findings.

This study demonstrated that AIRE-deficient rats exhibit key symptoms of APECED, making them a relevant model for exploring potential treatments.

This study found that Ishige sinicola extract increased hair growth and cell proliferation in cultured vibrissa follicles and mice, suggesting potential benefits for treating alopecia through β-catenin activation and 5α-reductase inhibition.

This study describes a patient with metastatic renal cell carcinoma who experienced a recurrence of pemphigus vulgaris after receiving interleukin 2 immunotherapy, suggesting a possible link between the treatment and autoimmune disease recurrence.

This article discusses perioral dermatitis and reports no new results; the authors present two cases implicating fluoride toothpaste as a potential cause.

This study reports that dynamic interactions between stem cells and their niche, influenced by macro-environmental factors, regulate regenerative behavior in integument pattern formation.

This study evaluated curcumin analogues as potential inhibitors of 17β-HSD3 in rat and human models, but it does not report new clinical findings.

This study found that PRP injections using the Eclipse system significantly improved hair density and caliber in women with androgenetic alopecia compared to saline placebo at 24 weeks.

This study found that despite carrying an activating Hras mutation, hair follicle stem cells integrate into normal skin without causing tumors, unlike similar mutations in the epidermis, suggesting unique tumor-suppressing mechanisms in hair follicles.

This study identified a regulatory element necessary for Foxn1 expression specifically in mouse thymic epithelial cells, crucial for thymus development but not affecting hair follicles.

This review explores the role of neutrophil recruitment in the inflammation seen in hidradenitis suppurativa and emphasizes potential therapeutic targets within these pathways, but it reports no new clinical results.