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This review discusses hair keratins and hair follicle-specific epithelial keratins and their association with inherited hair disorders, reporting no new clinical results.

This study found that a truncated region of the K5 promoter directs expression in stratified epithelia, particularly in epidermis, hair follicles, and tongue, potentially involving specific keratinocyte nuclear proteins in regulation.

This review examines the epidemiology, pathophysiology, diagnosis, and management strategies for non-classic congenital hyperplasia due to 21-hydroxylase deficiency, and provides evidence-based recommendations for its treatment and genetic counseling.

This study found that the hydrophilic PTK-UR foam with EG7 repeats significantly improved wound healing in porcine skin wounds compared to other scaffolds, suggesting potential for synthetic biomaterial applications.

This article discusses the histologic features of psoriasis, including psoriasiform epidermal hyperplasia and neutrophilic involvement, but reports no new clinical findings.

This study describes a fast LC/MS/MS method for detecting various synthetic drugs in urine, meeting World Anti-Doping Agency performance limits.

This study found that adipose-derived stem cell extracellular vesicles reduced wrinkles and promoted cell proliferation in UVB-induced photoaging in mice by decreasing oxidative stress and inflammation.

In this study, 1 mg/day finasteride lowered serum PSA concentration in men aged 40–60, suggesting that PSA adjustment recommendations for prostate cancer screening using 5 mg/day finasteride should also apply to this lower dose for hair loss treatment.

In this study, researchers identified a specific T cell receptor associated with carbamazepine-induced severe cutaneous adverse reactions, demonstrating its potential for therapeutic development in patients with the HLA-B*15:02 genotype.

In this study, specific versican expression was observed in the anagen phase of human hair follicles, suggesting its importance in maintaining normal hair growth.

This article discusses recent advances in understanding the mechanisms of tactile end organs in the epidermis and hair follicles from studies of mouse hairy skin, but it reports no new clinical results.

This study found that as few as 90 base pairs of the K5 promoter directed keratinocyte-preferred expression in stratified epithelia, especially in epidermis, hair follicles, and tongue, showing cell type specificity.

This study found that activation of Wnt/β-catenin signaling in mouse testes promotes spermatogonial differentiation and reduces the stem cell pool, with SHISA6 inhibiting this process and maintaining stem cell characteristics.

Toxic Shock Syndrome progresses quickly, often involves multiple organs, and is linked to Staphylococcus aureus toxins, with treatment options available but diagnostic challenges remaining.

The researchers reported that reactive oxygen species regulate the stress-induced SP-Mast cell pathway, which might support using antioxidants to treat stress-related hair loss.

This article reviews historical and recent developments related to toxic shock syndrome (TSS), emphasizing the increase in cases among young women using tampons, and calls for new research tools but does not report new results.

This study describes an efficient gas chromatography-mass spectrometry method for detecting estrone and 17 beta-estradiol concentrations in hair, finding differing levels in male and female samples.

This study identified that the enzyme CYP2B12 is skin-specific and likely plays a role in the metabolism of arachidonic acid, a key component in lipid signaling within sebaceous glands.

This study observed that androgen treatment increased ROS production and TGF-β1 secretion in rat hair follicle dermal papilla cells, suggesting that the androgen-induced TGF-β1 is mediated by ROS.

This study concluded that dilated cardiomyopathy in Ctsl-deficient mice is mainly due to the lack of cathepsin L in cardiomyocytes, with additional heart stress from the fur defect.

Growth factors can either promote or inhibit hair follicle cell growth and collagen breakdown.

In this study, mutations in the CDH3 gene were identified as the cause of hypotrichosis with juvenile macular dystrophy, and the researchers observed substantial phenotypic variability among affected individuals.

Targeted therapies promoting differentiation could help treat basal cell carcinoma by exhausting cancer stem cells.

This study developed a new HPLC method for detecting prohibited substances like minoxidil and hydrocortisone in cosmetic products, achieving high sensitivity and successful application to real-world samples.

This study identified four novel mutations in the C2orf37 gene among Woodhouse–Sakati syndrome patients, doubling known mutations, and found no significant link between isolated symptoms like deafness and dystonia and these mutations.

This study suggests that TGF-β 2 plays a critical role in hair follicle morphogenesis and may enhance the effectiveness of future cell therapies for hair regrowth using expanded dermal papilla cells.

This study found that low-dose UVB radiation enhances the survival, migration, and hair growth-promoting capacity of adipose-derived stem cells in mice through the generation of reactive oxygen species.

This study identified three genes with significantly higher expression in androgen-sensitive beard dermal papilla cells compared to androgen-insensitive scalp cells, suggesting potential novel signaling pathways in hair follicles.

In this study, stress experienced by transmen during early stages of gender transition was associated with reduced nocturnal blood pressure decline and increased C-reactive protein levels.