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This study observed that repeated perm treatments decrease disulfide bonds in hair due to their conversion largely into cysteic acid, affecting the waving efficiency depending on the reduction agent used.

This study used proteomic techniques to analyze human hair proteins, revealing keratin heterogeneity and identifying posttranslational modifications, such as cysteine trioxidation and methylation.

This study found that the hHa1-t protein variant, caused by a genetic polymorphism in the hHa1 gene, forms functional keratin filaments despite lacking a complete nonhelical tail domain, explaining the absence of a pathological hair phenotype.

This study reports the first familial case of alopecia linked to a novel homozygous variant in the DSP gene, which did not coincide with heart abnormalities despite prior associations.

This review discusses the roles of Wnt signaling in skin organogenesis and related processes but reports no new experimental results, highlighting areas for future research.

This article reviews CRISPR/Cas system delivery methods for genome editing and highlights RNA's promise in non-viral in vivo applications but reports no new clinical results.

This review discusses the potential of using human hair proteomics for non-invasive diagnostic and forensic applications but reports no new results; the authors highlight areas needing further research.

This study investigated how vitamin A deficiency, certain diseases, and pregnancy affect cattle coat hair structure, finding notable keratin fibril interference under vitamin A deficiency and structural modifications in chronic renal failure, while pregnant cows exhibited superior hair tensile strength compared to non-pregnant ones.

This study identified trichohyalin as an early differentiation marker in hair follicles, with potential structural roles related to alpha-helical formations, based on the partial characterization of its cDNA in sheep.

This study found that Magra sheep with high-luster wool exhibited significantly higher expression of keratin genes, suggesting that increased keratin protein levels may be crucial for wool luster.

This study found that the unique functions of keratin 16 are likely determined by its tail domain, challenging the previous hypothesis about the role of the helix 1B subdomain.

This review highlights how forensic drug analysis in hair using modern instrumental techniques offers advantages such as easy sample collection and chronological tracking of drug use, emphasizing its value for law enforcement and other applications.

This review found that 5α‐reductase inhibitors were associated with slightly increased rates of decreased libido, erectile and ejaculatory dysfunction, gynecomastia, and mood disorders compared to placebo, though their long-term effects remain unclear.

This thesis explores how optical coherence tomography and advanced imaging methods may address clinical needs in fields like interventional pulmonology and dermatology, highlighting their potential for disease assessment and staging.

The skin's layers protect, sense, and regulate the body's internal balance, but can be prone to cancer.

Genetic research has advanced our understanding of skin diseases, but complex conditions require an integrative approach for deeper insight.

This article reviews how biopolymers are utilized in cosmetics, highlighting their biodegradable and non-toxic properties, recent structural developments, novel applications, and safety considerations in the formulation of skin, hair, and oral care products.

Hard α-keratin in hair has a unique, nonordered structure, different from other fibers.

This study explored the potential of human hair keratin as a filtration material, finding that it may effectively absorb the pollutants diclofenac and perfluorobutanesulfonate. The researchers reported significant binding affinities through molecular simulations, supporting further investigation into keratin's use for water purification.

This review discusses the regulation of involucrin gene expression, focusing on transcription factors and signaling pathways, and reports no new experimental findings.

This study identified a novel SCF mRNA splice variant in white merino sheep skin, which may play a role in hair follicle melanogenesis.

This study presents a novel hydrogel scaffold made from tilapia collagen, which when activated by ultrasound, reprograms macrophages to promote wound healing, enhance angiogenesis, and stimulate hair follicle regeneration, offering a potential new method for treating inflammatory wounds.

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

This study used a 3D live imaging system to map cell dynamics in human hair follicles, revealing patterns of cell movement and division that help explain hair fiber extrusion during hair growth.

This article reviews the role of keratins in epithelial function and structure, discussing their involvement in growth control, organelle functions, and pathomechanisms of disorders, but reports no new clinical results.

This review discusses the WNT signaling pathway's involvement in human diseases and highlights recent advances in WNT-related treatments, but it presents no new research findings.

This review discusses the challenges in identifying specific hair follicle antigens involved in initiating alopecia areata and highlights the need for further research to understand its etiopathogenesis, reporting no new results.

This article reviews the structure, genomic organization, and pathogenesis of SARS-CoV-2 and discusses current efforts in prevention and treatments for COVID-19 without reporting new clinical results.

This study found that the stability of the coiled-coil structure in human hair keratin is maintained by ion-pairing and hydrophobic interactions, which are disrupted as pH approaches 7.0.

This review discusses the role of keratins in maintaining epidermal structure and function and reports no new results; the authors emphasize the lack of rational therapies for skin disorders linked to keratin mutations.