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This study identified a new type II cytokeratin, named K6hf, exclusively expressed in the companion layer of the human hair follicle, distinguishing it from other keratins and suggesting a unique biochemical role.

In this study, the prevalence of polycystic ovary syndrome in southern China was found to be 2.2%, with affected women showing distinct metabolic and hormonal characteristics compared to others.

This study found that activation or inhibition of Wnt/β-catenin and Notch signaling pathways in rats can alter wound healing, possibly by affecting epidermal stem cell activity and keratinocyte behavior.

This study found that synchronized signals in the microenvironment regulate stem cell lineage choices in hair follicles by influencing chromatin dynamics during regeneration.

This review updates on the understanding and management of eating disorders, noting substantial progress over 30 years but highlighting the need for revised classification, clarified pathogenesis, and improved treatments.

Acne is caused by genetics, diet, hormones, and bacteria, with treatments not yet curative.

This article reviews the principles and practices of Siddha medicine, discussing its traditional treatments for various skin and systemic diseases, but reports no new clinical results.

This review critiques the unwarranted promotion of biotin for hair and nail improvements, noting the lack of evidence for routine use and highlighting concerning trends in consumer and physician practices.

Effective vaccines and treatments are crucial for long-term COVID-19 control.

This study identified acne, superficial mycoses, pigmentation disorders, and actinic keratosis as the most common dermatologic diagnoses in Brazil, emphasizing the importance of skin cancer and leprosy in public health.

This study provides evidence for K1 and K10 derivatives' presence in the inner root sheath and hair cuticle, suggesting that these hair follicle parts may follow familiar keratinization principles.

This article reviews the role of diet in various skin disorders and suggests that dietary changes may aid in managing certain conditions, though it reports no new clinical findings.

This study found that red ginseng oil and its major components improved hair regrowth in testosterone-treated mice by promoting an earlier anagen phase and altering related gene expressions.

This study suggests that TGase 3 may contribute to hair fiber scaffolding by forming specific isopeptide bonds between keratin intermediate filaments and keratin-associated proteins.

This study found that IGF-I and survivin may play a role in the pathogenesis of active acne vulgaris and postinflammatory acne scars, with a significant correlation between their serum levels.

The article concludes that the global hair trade is exploitative and reflects complex cultural and economic issues.

This study found that dermatoscopy is useful for diagnosing and assessing primary cicatricial alopecias in Chinese patients, with alopecia mucinosa having a distinct feature of patulous follicular openings.

This review highlights that while healthcare providers are starting to diagnose polycystic ovary syndrome earlier in teens, the psychological and social needs often remain inadequately addressed.

This study found that keratin 14 may serve as an autoantigen in autoimmune skin diseases, indicated by its altered expression in affected skin and reactivity of patient sera.

In this study, the herbal complex of Houttuynia cordata, Perilla frutescens var. acuta, and green tea promoted hair growth in C57BL/6 mice, enhancing regrowth and follicle development compared to controls.

This study found that sodium metabisulfite activates sodium channels and increases cellular excitability and excitotoxicity in both cardiomyocyte and neuron models, which exacerbates seizures and neuronal damage in rats.

This study found that a lentiviral array of reporters can identify lineage-specific promoters and pathways in mesenchymal stem cell differentiation, aiding in the prediction of signaling pathway effects.

This study reports that the global age-standardized incidence and disability-adjusted life-year rates of alopecia areata decreased from 1990 to 2019, with the highest increases in incidence seen in some low SDI regions and countries like Kuwait and South Sudan.

This review discusses the characteristics, geography, and treatment challenges of dermatitis cruris pustulosa et atrophicans in men, emphasizing the need for further research on its etiology and management; it presents no new clinical findings.

This study developed rat monoclonal antibodies that specifically detect Pax1/PAX1 protein, which could improve diagnostic protocols for conditions involving deregulated Pax1/PAX1 expression.

This article outlines the first prospective cohort study examining whether bariatric surgery can induce satisfactory weight loss in obese Koreans, with no new results reported yet.

This study found that anthralin and sodium dodecyl sulfate accelerated hair growth in mice, potentially involving different skin protein kinase C isoform responses.

This study observed slight variations in follicular unit graft density among different Asian populations in the donor areas used for hair transplantation.

This study found that in estrogen receptor-positive breast cancer cells, 17β-estradiol repressed polyamine oxidase transcription by interacting with AP-1 sites on its promoter.

This review highlights the evolving understanding of PCOS, emphasizing the dermatologist's role in early diagnosis and management of systemic implications, while acknowledging that it reports no new clinical results.