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This review discusses the genetic factors involved in hair follicle morphogenesis and cycling and reports no new clinical results; it emphasizes the role of genes in hereditary hair diseases.

This review discusses current uses and advancements in mesenchymal stem cell-derived conditioned media as a potential regenerative therapy but does not present new clinical findings.

This article reviews recent advancements in understanding and treating androgenetic alopecia, focusing on new genetic insights, stem cell roles, and diagnostic tools, without reporting new clinical results.

This review discusses the reclassification of pregnancy-related skin diseases and provides a management algorithm but reports no new clinical findings.

This study found that in healthy men, higher levels of free testosterone were associated with a stronger immune response to the influenza vaccine, suggesting androgens may function as immunomodulators rather than strict immunosuppressants.

The document concludes that rapid identification, isolation, and strict infection control are crucial to manage SARS outbreaks.

Researchers created a fully functional, bioengineered skin system with hair from stem cells that successfully integrated when transplanted into mice.

This article reviews the hormonal and medication-related factors associated with acne development but does not present new research findings.

This article discusses the potential effects of exogenous testosterone, highlighting that its impact on prostate cancer progression, cardiovascular health, and behavior remains uncertain and needs further investigation.

This study found that human hair follicles express erythropoietin and its receptor, suggesting these follicles may use erythropoietin signaling to modulate apoptosis under stress conditions like hypoxia and chemotherapy.

This study found that blue light at a wavelength of 453 nm promoted hair growth ex vivo, potentially through interacting with OPN3 receptors in human hair follicles.

This article reviews the coordination of the hypothalamic-pituitary-gonadal axis, male fertility, and therapies for hypogonadism, but reports no new clinical findings.

This review discusses the role of keratins in maintaining epidermal structure and function and reports no new results; the authors emphasize the lack of rational therapies for skin disorders linked to keratin mutations.

This review examines factors influencing dermatophyte infection in companion animals, focusing on prevalence, clinical signs, pathogenesis, immune response, and the impact of cortisol and cytokines, but reports no new clinical results.

This study found that in vivo, a novel microneedle system for valproic acid delivery may improve hair regrowth efficacy by upregulating hair follicle development pathways more effectively than topical application.

This study introduced a novel in vitro assay for tracking melanosome transfer between melanocytes and keratinocytes, facilitating the quantification of melanin transfer and supporting the role of filopodia as a conduit.

This review discusses what is known about the pathobiology of frontal fibrosing alopecia and reports no new clinical findings, highlighting potential environmental and genetic factors in disease pathogenesis.

This study demonstrated that a c-Kit-CreER-driven mouse model confirms melanocyte stem cells as a genuine source of melanoma, paralleling human melanoma in heterogeneity and gene signatures.

This review discusses the causes, associated conditions, and treatment options for alopecia areata, such as corticosteroids and wigs, but reports no new clinical findings.

This review discusses diagnostic approaches for women with diffuse, nonscarring hair loss and reports no new clinical results.

This review explores the mechanisms of hair cell death due to factors like noise, ototoxic drugs, and aging and reports no conclusive clinical results; ongoing research may eventually enable preventive treatments for hearing loss.

Fibroblasts can be turned into melanocytes for potential skin treatments.

This study found that quiescence in hair follicle stem cells acts as a tumor suppression mechanism for cutaneous squamous cell carcinoma, with Pten activity necessary to maintain this state.

This review suggests that androgenetic alopecia may be exacerbated by exposure to ultraviolet radiation and proposes considering it as a photoaggravated condition requiring photoprotection.

This study found that Notch-related genes, including Notch1 and Notch2, and their ligands and regulators, have distinct patterns of expression during mouse hair vibrissa follicle development and the adult hair cycle.

This study found that DNA strand segregation in multipotent hair follicle stem cells occurs randomly during development and tissue homeostasis, challenging the immortal strand hypothesis.

This study found that the creation of hair follicle lumens in mice is driven by the outward migration of keratin 79-positive cells, suggesting a novel mechanism for generating hollow cores in hair follicles.

This study demonstrates that c-MYC overexpression in sebaceous glands affects differentiation via a regulatory axis involving the androgen receptor and p53, influencing carcinoma formation outcomes.

This study found that daily use of 1% pyrithione zinc shampoo modestly improved hair growth over 26 weeks, although these effects were less than those of 5% minoxidil.

In this review, the researchers detailed how the p63 transcription factor influences epithelial stem cell activities such as self-renewal, differentiation, and proliferation, highlighting the role of TAp63 and ΔNp63 isoforms in both normal tissue development and cancer pathogenesis.