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This study explored gene expression in Changthangi goats and found that higher expression of keratin-related genes and specific signaling pathways may play a role in the development of Pashmina fiber.

Hair follicles form hard α-keratin filaments in four steps, showing structural differences.

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 article explores how various nutrients and metabolic processes impact wool and hair follicle function in animals but reports no new experimental findings.

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 case report describes a 62-year-old man with psoriasis who developed a unique nail abnormality after two months of treatment with the oral retinoid etretinate, alongside hair thinning and cheilitis.

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.

In this study, autophagy was commonly observed during keratinization in neonate rat hair follicles, suggesting lysosomal proteases and cytoplasmic enzymes may coordinate in hair follicle cell differentiation.

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.

This study found that crossbred lambs fed liquid diets with reconstituted cow's milk initially grew wool without crimp, with crimp resuming two weeks post-weaning.

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's simulations suggest that biomechanical factors, like follicle geometry and tissue stiffness, are likely significant in hair fiber protrusion, providing a framework for future experimental validation.

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 study identified various cell types in the canine claw, showing complex mechanisms of cellular differentiation similar to mammalian hair and human nails.

This chapter discusses the structure and function of the skin, detailing its protective roles and the layers that comprise it, but reports no new research findings.

This article reviews gaps in our understanding of molecular events in hair follicle growth, focusing on keratin synthesis and protein oxidation, but reports no new findings.

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 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 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.

This article reviews the classification and complexity of keratin protein groups in hair follicles, but reports no new experimental results on their transcriptional events.