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This review discusses a new multidisciplinary guideline for treating male hypogonadism and emphasizes a comprehensive approach but reports no new experimental results.

This study found that a single application of TCDD on the skin of hairless mice altered epidermal differentiation, changing keratin expression patterns similarly to a known tumor promoter.

This study observed increased metallothionein expression in regenerating liver and hyperplastic mouse skin, suggesting a potential role in cellular proliferation and differentiation.

This review summarizes current knowledge about Birt–Hogg–Dubé syndrome, discussing recent findings on its pathogenesis and treatment, but reports no new clinical results; the authors emphasize understanding its cutaneous manifestations.

This study found that Hairless (Hr) acts as a corepressor of the vitamin D receptor (VDR) in human keratinocytes, blocking the action of vitamin D on keratinocyte differentiation.

This study presents two adolescent cases of ovarian hyperthecosis, a rare cause of severe hyperandrogenism, highlighting management strategies involving gonadotropin suppression and hormone replacement after excluding androgen-producing adrenal and ovarian tumors.

This review discusses the production, role, and measurement of dihydrotestosterone (DHT) in various disorders of sexual development but does not report new clinical results.

This study reported a series of eight children with hereditary vitamin D-resistant rickets in Tunisia, identifying both common and novel mutations in the vitamin D receptor gene, and noting significant improvement with intravenous calcium treatment in most patients.

This case report describes a successful outcome for a fetus with a neck mass attributed to unnecessary maternal PTU treatment for transient hyperthyroidism, highlighting the importance of accurate diagnosis and careful management.

This study found that TLR2 and its ligand CEP are crucial for maintaining hair follicle health and stimulating hair growth, with deficiencies observed in aging and obesity potentially reducing regeneration.

This study found that hydroxytyrosol significantly alleviated acute liver injury in mice by suppressing inflammation and targeting the TNF-α/PI3K/AKT signaling pathway.

This case report describes the first known association of hypertrichosis lanuginosa acquisita with autoimmune hepatitis, expanding the list of conditions linked to this rare disorder.

Hair differentiation starts earlier than thought, involving multiple type-II keratins.

BTNL2 helps protect hair follicles from immune attacks.

This study observed that oral administration of BeauTop, a Chinese herbal medicine, significantly increased hair growth indicators, including VEGF expression, hair follicles, and hair coverage in C57BL/6 mice.

This study found that hamster sebaceous glands have high affinity binding sites for dihydrotestosterone, with competition from other steroids indicating specific binding characteristics.

This letter to the editor discusses excessive hair growth observed around local β-interferon injection sites for malignant melanoma but reports no new clinical results.

This review discusses testosterone metabolism in human skin and its link to androgenetic alopecia, acne vulgaris, and idiopathic hirsutism, but it presents no new results.

This review emphasizes the potential of repurposing topical L-thyroxine for skin ulcers and telogen effluvium and highlights the need for further exploration of its use in dermatology.

This review discusses phenotypic differences in testosterone production between mice and humans with HSD17B3 deficiency and reports no new findings; the authors highlight potential pathways and enzymes involved in testosterone synthesis.

In this study, Caplan et al. found that treatment with human Tregs expanded from umbilical cord blood may modulate immune responses and improve outcomes in a rodent model of traumatic brain injury.

This study suggests that hepatocellular carcinoma in cirrhotic men is associated with altered sex-steroid metabolism, indicated by lower testosterone and 5 alpha-dihydrotestosterone levels compared to cirrhosis alone.

This study found that overexpression of parathyroid hormone-related protein in mice resulted in 30–40% shorter hair due to premature transition into the catagen phase of the hair cycle.

This study identified the Hairless (Hr) gene-encoded protein as a corepressor that plays a crucial role in maintaining skin and hair by regulating epithelial stem cell differentiation and gene expression via chromatin remodeling, which may impact both development and disease.

This study reported that Tomorrowlabs HIF strengthening factor [HSF] hair restoration technology significantly improved hair thickness, density, shine, and elasticity, while reducing hair loss by an average of 66.8% and enhancing hair growth by up to 32.5% in subjects with androgenic alopecia over nine months.

This study successfully developed and characterized a monospecific monoclonal antibody, LHTric-1, that specifically localizes to the pre-cortical region of the hair follicle and can aid research on hair and nail formation.

This summary outlines the essential roles and recommended daily intakes of biotin, while discussing consequences and mechanisms of deficiency, but presents no new research findings.

This study found that benzodiazepine therapy in women with idiopathic hirsutism significantly increased sex hormone binding globulin and decreased dehydroepiandrosterone sulphate, but did not significantly affect hair growth.

This case report highlights the adverse effects of unmonitored bioidentical hormone replacement therapy, emphasizing the need for patient education about its safety and efficacy compared to FDA-regulated hormones.