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This study concluded that the ClinRO and PRO measures, along with their photoguides, offer clear and meaningful assessments for patients with alopecia areata concerning eyebrow, eyelash, and nail appearance, as well as eye irritation.

This multicenter study found that hair and nail disorders, particularly telogen effluvium, commonly developed in patients after severe COVID-19 infection.

This study identified that patients with compound heterozygous mutations in FOXN1 exhibited severe T-cell lymphopenia but retained normal hair and nail development, indicating a distinct clinical phenotype from classic FOXN1 cases.

This case report suggests that poor hair and nail growth in children with autism spectrum disorder and developmental delay may indicate a biotin-responsive condition, as biotin and acetazolamide therapy improved symptoms and school performance in the reported patient.

Toxic shock syndrome is caused by a complex interaction of bacterial toxins and the immune system, and understanding this can help improve diagnosis and treatment.

This study found that scalp hair loss is the most bothersome symptom of alopecia areata for both adults and adolescents, highlighting the need for treatments focused on improving scalp hair growth.

This study shows that keratin 2e exhibits distinct temporal and regional expression patterns in fetal epidermis, suggesting different regulatory and functional roles from other epidermal keratins.

This case report describes a 6.5-year-old girl with a balanced chromosome translocation involving chromosomes 1 and 6, linked to developmental speech delay and features suggestive of ectodermal dysplasia.

This study found that the HoxC gene cluster plays a critical role in the development of ectodermal organs, including hair and nails, with mammalian-specific enhancers increasing transcription levels during development.

This review provides an overview of the physiologic skin changes during pregnancy but reports no new findings, emphasizing the need for physicians to distinguish between benign and potentially pathological conditions.

This book compiles papers from a 1988 symposium on human hair follicle research, highlighting collaboration between dermatology and industry, but reports no new clinical findings.

This case report describes a novel NECTIN4 gene mutation linked to ED-syndactyly syndrome 1 in a young girl, contributing to the understanding of this rare ectodermal dysplasia.

This review discusses the human Nude/SCID phenotype and FOXN1 gene's role in immunological disorders affecting T-cell development but reports no new clinical findings.

Genetic mutations cause various hair diseases, and whole genome sequencing may reveal more about these conditions.

This study found that loss-of-function mutations in the HOXC13 gene cause autosomal-recessive pure hair and nail ectodermal dysplasia, emphasizing its role in hair and nail development.

This study identified a homozygous frameshift mutation in the HOXC13 gene associated with pure hair and nail ectodermal dysplasia in a consanguineous Syrian family, suggesting crucial roles for HOXC13 in hair and nail development.

This study reported that patients with specific Foxn1 mutations exhibited severe T-cell lymphopenia without the hair and nail abnormalities usually associated with these mutations.

This review discusses recent advances in understanding the genetics of hair and nail disorders and reports no new clinical results.

This case series highlighted three pediatric patients with congenital nail anomalies, revealing underlying developmental or genetic issues such as symbrachydactyly and potential Adams–Oliver syndrome, underscoring the critical role of dermatologists in early detection and diagnosis of these conditions.

This study found that the HoxC gene cluster is crucial for the development of hair and nails in mice, with key regulation by two mammalian-specific enhancers.

Women with androgenetic alopecia have fewer terminal hairs, phenol in nail surgery is safe, and a new hair transplant method is faster and less damaging.

This study suggests a regulatory model where HOXC13 activates Foxn1, affecting hair and nail differentiation, supported by similarities in Hoxc13(tm1Mrc) and Foxn1(nu) mice phenotypes and gene expression patterns.

This study found that the mouse nail unit structurally resembles the human nail unit, indicating it could be useful for researching nail diseases and biology.

This study found that trichocytic cytokeratins, typically found in hair, are also present in nails, filiform papillae of the tongue, and the epithelial reticulum of the thymus.

This report describes a rare case of hair and nail ectodermal dysplasia in a 3-year-old girl, where treatment with topical minoxidil resulted in minimal improvement after 12 months.

This study found that adults with β-thalassemia major had a significantly higher prevalence of skin, hair, and nail disorders compared to healthy controls, influenced by factors like age, gender, and ferritin levels.

Low-dose acitretin helps nail psoriasis, stem cells may treat scarring alopecia, Chinese men have lower baldness rates, lateral foldplasty is good for ingrown toenails, hair diameter helps diagnose female baldness, childhood trauma linked to alopecia areata, certain hair-weaving leads to scalp conditions in African American women, and new methods for hair research and understanding hair and sweat gland development were introduced.

This review summarizes existing knowledge on the role of FOXN1 as a key regulator of thymic epithelial cell lineage and function, reporting no new experimental results.

This review discusses the diverse roles of Frizzled proteins in developmental and homeostatic processes and reports no new experimental findings.