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This article reviews major types of genetic hair shaft defects and associated syndromes, emphasizing understanding histologic features and diagnostic methods, but reports no new clinical findings.

This case report identified a 4-month-old boy with Menkes disease, a neurodegenerative disorder of copper metabolism, noting symptoms like recurrent seizures, developmental delay, and specific physical characteristics, confirmed by genetic sequencing showing a pathogenic ATP7A mutation and low serum copper and ceruloplasmin levels.

This study reports a unique case of trichotillomania as a presenting sign in a patient with neurological Wilson's disease, confirmed by genetic testing and copper abnormalities.

This report describes two prepubertal children with autoimmune gastritis, highlighting the need to screen paediatric patients with organ-specific autoimmune diseases for co-existing conditions.

This study identified pathogenic or likely pathogenic gene variants in 70.1% of Russian families affected by hypohidrotic ectodermal dysplasia, expanding knowledge of causative mutations.

This study sequenced and analyzed the goat skin transcriptome, revealing genes involved in signal transduction and cell communication that are differentially expressed during hair growth phases, providing insights for Cashmere goat breeding.

This study identified specific keratin-associated protein genes that are highly expressed in different varieties and sexes of Angora goats, providing insights for improving mohair development through targeted breeding strategies.

This mini-review discusses human hair follicle development and summarizes genetic disorders linked to abnormalities in hair follicle morphogenesis, structure, or regeneration, but reports no new experimental results.

This study found that metabolism-related genes significantly impact the prognosis and metastasis in breast cancer, and the development of prediction models may guide personalized therapeutic strategies.

This study found that glucose metabolism supports hair inductive gene expression and hair shaft elongation in dermal papilla cells, suggesting potential applications for in vitro hair follicle generation.

This study constructed a panel of pharmacokinetic and pharmacodynamic genes, revealing that current SNP chips insufficiently capture many drug-response gene variants, highlighting the need for complementary genetic approaches.

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

This review details the global mutation patterns of genes associated with autosomal recessive woolly hair/hypotrichosis and highlights potential, yet unproven, treatments like minoxidil and regenerative therapies, reporting no new clinical results.

This article discusses genetic hair disorders in children, outlining diagnostic approaches and highlighting the significance of distinguishing isolated hair defects from those associated with syndromes, but it reports no new clinical results.

This review discusses common hair loss conditions and explores how advancements in hair follicle biology might lead to more effective treatments but reports no new results.

This review classifies mutant mice with hair abnormalities into six categories, providing an annotated table that serves as a reference for understanding the molecular controls of hair growth.

This article reviews the clinical and diagnostic features of hair shaft disorders, emphasizing the role of structured patient assessments and the avoidance of hair trauma, but reports no new results.

This study reports that milk goats exhibit significantly more differentially expressed genes related to hair follicle cycling across different months compared to cashmere goats, especially in December.

Understanding skin structure and development helps diagnose and treat skin disorders.

This article provides a diagnostic guide for clinicians to differentiate between various hair shaft disorders by using a structured question-by-question approach but does not report new clinical findings.

This case series describes seven distinct hair shaft disorders, highlighting the importance of accurate diagnosis since these conditions are often treated incorrectly as alopecias without improvement.

This study found that serum calcium, serum ferritin, and vitamin D3 levels were lower in students with premature graying of hair compared to controls, suggesting a potential role in the condition.

This review discusses the genetic and biological factors influencing hair curliness, revealing strong links to specific protein variations, and reports no new clinical results.

This study reports that compound heterozygous loss-of-function mutations in the HEPHL1 gene in a child were associated with abnormal hair and cognitive issues, linking altered ferroxidase activity to hair disorders.

This study found that sinapic acid promotes the browning of 3T3-L1 adipocytes and may offer therapeutic potential for obesity by influencing mitochondrial biogenesis through the p38 MAPK/CREB signaling pathway.

This study identified key long non-coding RNAs and mRNAs involved in primary wool follicle induction in carpet wool sheep, emphasizing their roles in hair follicle development and skin processes.

This review highlights the possibility of safely altering hair color through innovative cosmetics by targeting key biological processes in hair follicles, using insights from mammalian pigmentation studies and drug-induced hair color changes as potential pathways.

This study suggests that hemoglobin α expression in the epidermis is induced by oxidative stress and may function as an antioxidant, contributing to skin barrier function.

The document explains the genetic causes and characteristics of inherited hair disorders.

This study identifies SOX9 as a critical downstream effector of ERG in TMPRSS2:ERG fusion-positive prostate cancer, indicating its role in tumor invasion and growth.