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This study found that vitamin A dissolved in alcohol penetrates skin quickly and does not impair hair growth, even in large doses, but it does not retard keratinization unlike when dissolved in fatty acids.

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.

In this study, researchers identified two distinct homozygous mutations in the KRT85 gene among consanguineous Pakistani families with pure hair and nail ectodermal dysplasia, highlighting variations in severity and potential impacts on the K85 protein function.

This review discusses the molecular and functional aspects of the nude gene in skin biology, providing insights into its role and evolutionary development, but reports no new results.

This review examines the differentiation potential of epithelial cells from various sources in hair follicle formation, concluding that complex interactions are required for hair-specific characteristics, which were achieved in vivo but not in vitro.

This study found that the keratin matrix in mammalian hard α-keratins is crucial for maintaining stiffness in water by controlling intermediate filament hydration.

This study found that the fungus Microsporum gypseum enzymatically degrades keratin in human hair, with the sequence of degradation reflecting the keratinization and cystine content of individual hair components in vitro.

TG5 helps maintain hair follicle health, while TG3 aids in hair shaft development.

This article discusses loose anagen syndrome, highlighting its characteristics, diagnostic methods, and spontaneous improvement over time, but provides no new clinical results.

The hair follicle structure is more complex than thought, with new findings on protein formation.

This review discusses dermatological issues in llamas, detailing common findings, parasites, and disorders, but reports no new clinical results; it highlights the need for recognizing normal skin variations and discusses potential treatments like zinc therapy for certain conditions.

This review discusses the mechanisms of skin barrier impairment in acne vulgaris and suggests strategies for its repair but reports no new clinical results.

This study observed that the catagen phase in hairless mice displayed a slower shortening of the mutant epithelial column, resulting in longer total follicle length and abnormalities in the connective tissue sheath and glassy membrane.

This study observed that tryptophan levels in human hair are higher in males than females, increase with age, and vary with hair color, being highest in grey and white hair.

This case report describes a 47-year-old woman who experienced reversible curling of her hair during treatment with valproic acid, suggesting potential side effects on hair texture.

This research article discusses unsaturated compounds causing temporary hair loss in lab animals and reports no new results; previous studies indicated similar effects in humans.

This study characterized the intron-exon organization of human keratin 15 and keratin 19 genes to aid future mutation detection analyses related to potential genetic disorders of keratinization.

This review explores how vitamin D3 analogs could target various skin processes and diseases, potentially offering selective and effective treatments beyond psoriasis, but reports no new clinical findings.

This review discusses the skin and systemic conditions associated with Down syndrome and reports no new clinical results, emphasizing the need for awareness of these manifestations in diagnosis.

This study found that loss of epidermal PPARγ in mice altered the expression of many genes related to skin inflammation, keratinization, and sebaceous gland function, indicating its key role in maintaining skin homeostasis.

This study observed that amino acid uptake into wool follicles varies significantly, with cysteine showing the highest uptake rate, suggesting specialized transport systems that may influence wool growth.

In this study, gamma benzene hexachloride washes successfully resolved skin disease in guinea pigs affected by Trixacarus caviae, after confirmation via skin scrapings.

This study observed that dermal dendritic cells migrate to the epidermis in mouse tail and back skin, correlating with changes in epidermal physiology like ortho- and parakeratosis.

This study found that tryptophan fluorescence in natural white hair is significantly weaker than in other unpigmented keratin fibers, possibly due to greater environmental UV exposure or unknown chemical interactions.

This report presents four new cases of follicular porokeratosis, which exhibit distinct histological features where the cornoid lamella are confined to the follicular ostia.

This case report describes a unique presentation of porokeratotic eccrine ostial and dermal duct nevus with lesions on the dorsum of the hand and a focal lichenoid infiltrate, differing from typical palm and sole involvement.

This study investigated the immunohistochemical characteristics of keratin proteins in epidermal appendages, finding variable staining patterns in different skin structures and tumor cells, which suggests differences in keratinization.

This review discusses the evidence for a cause-and-effect relationship between scalp condition and hair condition, and reports no new clinical results from trials.

This review reports two new cases of porokeratotic eccrine and hair follicle nevus and analyzes all known cases in the Spanish and English literature, suggesting a link to a GJB2 gene mutation.

A woman had 13 non-cancerous cysts on her scalp successfully removed in one surgery.