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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 report describes a case of HAIR-AN syndrome in a young woman, characterized by acanthosis nigricans, insulin resistance, and polycystic ovaries, highlighting its rarity and multisystem nature.

This article discusses monilethrix in a 6-year-old girl, explores various aspects of the disease, and its treatment, but reports no new clinical results.

This review explores the complex endocrine functions of human skin and its role as a peripheral endocrine organ, but reports no new clinical results.

This study found that skin fibroblasts in mice arise from two distinct lineages which contribute differently to dermal structure and repair, impacting hair follicle formation during wound healing.

This review discusses human sebocyte in vitro models for studying sebaceous gland function and control but reports no new clinical results, highlighting hormonal effects and the impact of retinoids on sebocyte activity.

This study found that a mutation in the BMP12/GDF7 gene is associated with the Naked neck trait in chickens, reducing neck feathering due to altered signaling pathways.

This review explores the role of hormones in pilosebaceous units and associated skin disorders, focusing on androgen action, without presenting new clinical findings.

This study identified an unexpected critical role for the FATP4 protein in skin and hair development in mice, linking it to a potential candidate gene for restrictive dermopathy in humans.

In this study, key histologic features such as mucinous perifollicular fibroplasia were identified to aid in the diagnosis of lichen planopilaris.

This review discusses the skin's role in producing hormones and related substances, highlighting their potential in homeostasis and disease management, and reports no new clinical findings.

This article reviews various types of primary cicatricial alopecias and emphasizes the importance of accurate diagnosis to improve management strategies, particularly detailing remaining lymphocytic forms and expanding on neutrophilic and mixed types.

This paper discusses the hypothesis that anti-acne agents may work by reducing FGFR2 signaling, and emphasizes FGFR2's potential role in acne pathogenesis, but it reports no new experimental findings.

This study identifies specific molecular components involved in the intracellular trafficking of LGR5, revealing mechanisms that differ from typical GPCR recycling processes.

This study found that subcutaneous isotretinoin in male hamsters reduced sebaceous gland size without affecting other androgen-dependent skin structures, while etretinate had no effect.

This review discusses the role of hormonal dysregulation and metabolic syndrome in hidradenitis suppurativa and reports no new clinical results.

This report describes cases of increased hair loss and scalp sunburns in patients using 3% minoxidil and 0.01% tretinoin, suggesting caution with tretinoin use on sunny days.

This study confirmed that the novel solid lipid microparticle formulation of adapalene demonstrated follicular penetration potential and targeted particle erosion in sebum in in vitro tests.

This review indicates that many former FDA category D and X systemic dermatologic medications may negatively impact male fertility, with further research needed to assess potential teratogenic effects.

This article discusses using topical tretinoin with intralesional triamcinolone acetonide for alopecia areata in northern Saudi Arabia, but it reports no new clinical findings.

This case report describes a patient with severe alopecia areata and multiple autoimmune diseases who showed excellent hair regrowth after treatment with prednisone and cyclosporine, though she later developed hyperpigmentation.

This overview highlights an increase in nonsurgical cosmetic procedures and a growing number of male patients seeking cosmetic treatments, without reporting new clinical results.

This case report highlights a 21-year-old woman with seizures, mental retardation, spastic diplegia, and ichthyosis consistent with Sjogren-Larsson syndrome, and emphasizes the importance of differential diagnosis when additional symptoms are present.

This article discusses the importance of oral and maxillofacial surgeons understanding the pathogenesis and treatment of acne vulgaris, but it presents no new research findings.

This study found that fluconazole was associated with telogen effluvium in both a rat model and human patients, although retinoic acid levels were not identified as a causal factor.

This study suggests that both age and photoexposure may decrease maximum viable epidermis thickness and impact the dermal-epidermal junction in women with Fitzpatrick skin types II-III.

In this case study, long-term treatment with acitretin significantly improved chronic skin conditions like erythematosquamous plaques and follicular hyperkeratoses in a patient, but stopping the treatment led to severe worsening of symptoms.

This study reviews current systemic treatments for hidradenitis suppurativa, highlighting traditional methods and new options like biological agents, and suggests that pharmacological therapies show promise, particularly for non-advanced cases, despite the disease's complex etiology involving factors such as genetics and inflammation.

Acne involves increased lipid production and inflammation, affecting skin cell behavior and treatment resistance.

This article presents diagnostic and therapeutic recommendations for cutaneous lupus erythematosus from the Polish Dermatological Society, but reports no new clinical findings.