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Norfolk Terriers have a genetic skin defect causing scaling and blisters due to a keratin issue.

This study observed unique ultrastructural changes in a 4-year-old girl with pili trianguli et canaliculi that may affect hair shaft surface characteristics due to inner root sheath alterations.

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 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 describes three adult dogs with sebaceous gland dysplasia, reporting that two showed moderate to marked improvement in symptoms with treatment, though ongoing management is required as the condition cannot be cured.

This study found that oral isotretinoin achieved good to excellent clinical results in treating severe inflammatory acne, severe rosacea, and gram-negative folliculitis.

This review discusses isotretinoin's effectiveness against severe acne vulgaris and its associated side effects, including teratogenicity and hair loss, but it reports no new experimental results.

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 review summarizes recent advances in understanding intermediate filament structure and their implications for pathological mutations and human diseases, but it reports no new experimental results.

A missing mK6irs1 gene causes hair loss in mice.

In this study, researchers observed that spontaneously mutated mice with a hair loss phenotype exhibited significant differential expression of genes related to keratinization and hair follicle formation, suggesting these mice could model human alopecia for future research and treatment development.

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 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.

Loose anagen hair syndrome causes easily shed hair but usually improves with time.

This review discusses loose anagen hair syndrome in children, characterized by non-scarring alopecia and increased hair shedding, and reports no new results; topical minoxidil may be used as a treatment.

This research suggests that mouse mutants and genomics can help study hair biology and epithelial differentiation by focusing on the role of the Foxn1 gene.

This chapter reviews various fungal skin diseases affecting cattle but does not report new research findings; it focuses on rare, inherited, and congenital conditions like follicular dysplasia and cutaneous asthenia.

This chapter reviews fungal skin diseases in goats and their hereditary aspects, but it does not present new experimental results.

Retinoids are important for treating skin conditions but should be used with caution due to serious side effects and risks during pregnancy.

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 study found that acne lesion formation involves early hyperkeratinization and inflammation around hair follicles, creating a self-sustaining cycle that may progressively worsen acne.

This study examined the expression patterns of various cytokeratins in the outer root sheath of human anagen hair follicles, noting distinct differentiation patterns and localization of keratin markers.

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 article discusses keratosis pilaris, a common skin condition often considered a normal variant, and reviews its associations, progression, and available treatments without reporting new clinical results.

This chapter reviews various skin disorders classified as Mendelian disorders of cornification and reports no new clinical findings, highlighting the complexity of genetics involved in inherited ichthyoses.

This overview discusses advancements in the understanding of molecular genetics in heritable keratinization disorders, focusing on recent cases of inherited ichthyosis, and reports no new clinical results.

This article illustrates various hair shaft defects and suggests that dermatologists can diagnose most of them using light microscopy and polarization without needing advanced imaging techniques.

This study identified a 69 bp deletion in the KRT75 gene as the cause of the frizzle feather trait in chickens, affecting feather curling.

Treating psoriasis with UVB light three times a week is faster than twice a week, and certain medications and lifestyle factors affect psoriasis treatment outcomes.

This study suggests that 4-META resin may be more effective than cyanoacrylate for promoting wound healing in rats, as the wounds were covered by epithelial tissue faster with 4-META resin.