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This article discusses the genetic hair disorder monilethrix, characterized by beaded, fragile hair due to defective keratin genes, and reports no effective treatment currently available; variability in severity was noted among affected siblings.

In this study, researchers mapped cysteine accessibility in wool keratins and KAPs, revealing that certain cysteines in keratin end domains and Types I and II rod domains are accessible and likely involved in forming disulfide bonds.

This study reported that hydrogels created from keratins extracted from human hair exhibit antibacterial properties and enhance tissue regeneration, suggesting their potential use in full-thickness skin repair, as demonstrated by increased collagen production and improved healing in vivo.

This article reviews the complex structure and molecular composition of hair keratins, highlighting their self-assembly process and implications for keratin extraction techniques, but reports no new experimental results.

This case study reports a peculiar variant of an epidermal cyst in a patient, featuring unique characteristics like brownish, lumpy contents resembling bone marrow.

This study investigated pilomatrixoma, a benign skin tumor, and found that irregular expression of β-catenin and Lef-1 in transitional cells may contribute to amorphous debris and cyst formation.

This article reviews the molecular characteristics of human hair keratins, noting their distinct classification from epidermal keratins and the variability in expression that may occur without noticeable hair changes, but reports no new study results.

This study extracted water-soluble keratin particles from chicken feathers and verified their structural properties, observing no irritative potential on hen's eggs and positive physiological effects on human skin cells, suggesting their suitability for use on damaged or irritated skin.

This study found that the absence of Hif-p4h-2 in specific mouse skin cells disrupted hair follicle development, leading to hair loss due to irregular keratin formation and pathway signaling.

The man's hair loss and skin papules were diagnosed as atrichia with papular lesions, not alopecia areata universalis.

In this study, researchers examined juglone's potential as a restoring agent for hair keratin damaged by permanent or bleaching treatments, finding that juglone formed Michael adducts with cysteine residues, leading to a more regular hair surface as observed via IR spectroscopy and SEM analysis.

In this study, the researchers found that mammalian hair likely evolved through the adaptation of existing structural proteins, as similar cysteine-rich α-keratins were identified in chicken and lizard genomes, suggesting pre-mammalian origins.

This research provides insights into how keratin hydrogels, modified to control disulfide crosslinking, may function as a treatment platform for bone injuries.

This study describes a method to create keratin hydrogels with adjustable erosion rates by mixing different ratios of keratose and kerateine, enabling controlled release of therapeutic agents like insulin-like growth factor 1.

A woman had 13 non-cancerous cysts on her scalp successfully removed in one surgery.

This study found that cysteine supplementation significantly increases keratin expression in human keratinocytes, and counteracts the negative impact of iron deficiency on keratin production by enhancing iron availability for cellular processes.

This case report describes a hybrid cyst in a Sprague-Dawley rat, showing both infundibular and matrical differentiation similar to different parts of normal hair follicles.

This clinical case study describes an aggressive squamous cell carcinoma developing within a giant epidermal cyst on the abdomen.

HPV 60 may cause cysts and warts on the face, not just hands and feet.

In this case report, a rare pilar cyst was found in the left temporal region of a 75-year-old male, highlighting the potential for such cysts to mimic temporal space infections and complicate treatment plans.

Histopathology is crucial for accurately diagnosing eruptive vellus hair cysts.

In this case study, a 69-year-old male with a neck swelling was diagnosed with a trichilemmal cyst, highlighting the importance of complete surgical excision for lesions with proliferative or malignant potential.

This study found that a peptide treatment using Protein disulphide isomerase improved the mechanical and thermal properties of over-bleached hair by promoting deeper peptide penetration and attachment.

This study demonstrated that cryogelation of human hair keratin allows the development of 3D scaffolds with tunable properties, supporting cell adhesion and proliferation for potential biomedical applications.

This Ph.D. project aims to evaluate the self-assembling potential of hair keratin extracts and study the cellular response to both crude and purified keratins, highlighting their potential applications from biomedical to water remediation.

This review summarizes the cell type distribution and functional significance of human keratins, emphasizing their roles in tumor diagnosis and potential clinical applications, and reports no new clinical findings.

This classification proposal introduces a novel system for categorizing cutaneous adnexal cysts based on their origin in the folliculosebaceous unit and sweat glands, aiming to simplify and enhance understanding of these skin lesions.

This chapter reviews keratins in skin epithelia, including their roles in cellular function and disease, and reports no new experimental results.

This case series suggests that Propionibacterium acnes colonization may contribute to the development of hair casts and diffuse non-scarring alopecia, as patients' symptoms improved with antibiotics targeting the bacteria.

The researchers found that HOXC13 regulates different keratin proteins in a mixed manner, with certain SNPs impeding this regulation, while also demonstrating negative-feedback by HOXC13 and positive regulation by LEF1 and melatonin on the HOXC13 promoter.