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This case report describes an unusual nail tumor termed "onycholemmal horn" in a 77-year-old woman, highlighting its distinct histopathological features and the importance of excisional biopsy for accurate diagnosis.

This review outlines the complex factors involved in acne pathogenesis—including hormonal, genetic, and environmental influences—and describes current comprehensive management strategies, emphasizing both topical and systemic therapies, while also highlighting emerging treatment options and the significant psychological impact of acne.

This report diagnosed a 68-year-old man with comedonal folliculotropic mycosis fungoides based on clinical and histopathological findings, and found pegylated interferon alpha-2a with isotretinoin beneficial in reducing skin lesions.

This research explored the potential of mesenchymal stem cells in developing therapies for tendon, muscle, and skin injuries in horses and sheep, indicating possible benefits in cellular regeneration and repair.

This review discusses the controversial non-inflammatory alopecia known as alopecia X, highlighting its unknown etiology and the variable effectiveness of various proposed treatments, but reports no new results.

Research on hair disorders has advanced, with promising future progress in understanding and treating these conditions.

This study suggests that keratoacanthomas may be distinguished from squamous cell carcinoma by identifying hair follicle structures, based on keratin expression and histological features observed in tumor samples.

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.

In this study, in vitro growth of human hair follicles did not alter hair keratin expression patterns, maintaining follicle integrity and proper keratinization similar to in vivo conditions.

This study found that sphynx cats exhibit hair follicle dysplasia with abnormal hair shaft production, but without a reduction in the number of follicles, similar to murine KRT 71 mutants.

This study developed a new protocol to efficiently produce skin dermal stem cells from human induced pluripotent stem cells, which may aid in treating various skin disorders.

This review suggests the existence of a new syndrome characterized by keratosis pilaris, ulerythema ophryogenes, and monosomy 18p, emphasizing its potential utility in diagnosing monosomy 18p.

This study found that different types of seborrheic keratosis demonstrate diverse differentiation patterns, highlighting its undifferentiated and hyperproliferative state with varying keratinization directions.

This study reports that the fatty acid composition in cell membranes of stratified squamous epithelium varies with keratinization patterns, showing a partial essential fatty acid-deficient state in cultured keratinocytes.

This study found that applications of a shampoo and mousse containing plant extracts improved coat quality in dogs with a chronic keratinisation disorder without affecting skin hydration or hair lipids over the study period.

This study identified genetic mutations linked to congenital ichthyosis in families from the UAE and Turkey, revealing a connection between keratinization disorders and impaired filaggrin processing.

This study found that a neem-based herbal formulation may be more effective than ivermectin in treating sarcoptic mange in dromedary camels, leading to complete recovery without scarring or keratinization.

This study presented a case of a Labrador Retriever with recurrent skin lesions and confirmed vitamin A-responsive dermatosis after successful treatment with vitamin A therapy, highlighting the importance of considering vitamin A deficiency in primary keratinization disorders.

In this study, researchers observed that mutant mice with a genetic hair loss condition exhibited significant differential expression of genes related to keratinization and hair follicle formation, providing insights into potential strategies for understanding and treating alopecia.

This abstract does not provide study results but outlines that acne is influenced by factors like androgens, sebum production, abnormal keratinization, and inflammatory reactions involving lymphocytes, macrophages, and neutrophils.

This article discusses the multifactorial nature of acne vulgaris, detailing its link to androgen-induced sebum production, altered keratinisation, inflammation, and bacterial colonisation, but reports no new research findings.

This article discusses the interactions between keratinocytes and melanocytes in maintaining epidermal and hair follicle homeostasis, without reporting new experimental results.

This review discusses the effects of protein-based cosmetics on hair properties and reports no new research findings, suggesting potential benefits for developing advanced, sustainable hair products.

This study found that Krtap11-1 may play an important role in keratin-bundle assembly in the hair cortex, influencing the physical properties of hair.

This study suggests that androgens enhance growth factor production in dermal fibroblasts, which in turn may alter keratinocyte differentiation and contribute to acne lesion formation.

This case report describes the first known occurrence of keratosis follicularis squamosa with unilateral distribution in China, suggesting a potential new clinical subtype of the condition.

This study found that recombinant keratinocyte growth factor (rKGF) stimulated hair growth and provided a protective effect against alopecia in murine models, suggesting its role in hair follicle development and regeneration.

This study observed that PAI-2 is consistently expressed in differentiating cells of murine hair and nail, suggesting it may function as a marker of differentiation and possibly protect against premature cell death.

This study reports that structural abnormalities in the inner root sheath of hair follicles may cause the hair shaft to be loosely attached in patients with loose anagen hair syndrome.

This study found that high levels of human cytokeratin 16 expression in transgenic mice lead to skin lesions and altered keratinocyte structure, suggesting potential implications for human skin disorders and wound healing.