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Keratin proteins in epithelial cells are dynamic and crucial for cell processes and disease understanding.

This study found that epithelial keratin K 6 is associated with hyperkeratotic and ulcerated changes in the gastric pars oesophagea of pigs, suggesting epithelial proliferation plays a role in ulcer development.

This study found that TPA treatment induced expression of keratins K6 and K16 in mouse epidermis, with K6 expressed across all cell layers and K16 only in post-mitotic cells.

This study identified a monoclonal antibody, HKN-2, that recognizes specific cells in human skin and may indicate a common antigenic determinant between hair and other skin epithelial tissues.

This study observed that seborrheic keratosis lesions in five patients exhibited specific histological changes after trauma, suggesting a connection between these lesions and hair follicle structures.

In this study, researchers found that the FOS gene may play a significant role in promoting hair follicle development in Tan sheep between birth and the Er-mao period.

The study suggests that nestin-expressing progenitor cells can differentiate into outer root sheath keratinocytes in hair follicles, indicating distinct progenitors for different hair follicle and epidermal components.

In this study, autologous fibroblasts combined with keratin gel were reported to effectively and safely improve tear trough deformities up to 24 months post-injection, with no severe adverse effects observed.

In this study, researchers reported that the application of refolded human K31 keratin protein significantly improved diameter, mechanical strength, and smoothness of chemically damaged hair after a single treatment.

The researchers concluded that their new reconstructed human epidermis model from plucked hair follicle-derived keratinocytes offers a safer and simpler alternative to traditional skin-derived models for studying epidermal function.

This study found that keratin hydrogels extracted from human hair showed potential as biodegradable and biocompatible filler materials, promoting angiogenesis and cell proliferation in rat models.

This study demonstrated that Ketoconazole, Minoxidil, and Minoxidil with Tretinoin all significantly stimulated hair growth in mice, with Minoxidil alone showing the most effectiveness.

This study suggests that specific combinations of human type I and II hair keratins, particularly K35-K85 and K36-K81, have distinct in vitro assembly properties that are significant for macrofibril formation.

This study developed a model showing that keratin elasticity in skin may be influenced by electrostatic and bridging interactions between keratin filaments, contingent on the balance of charges in the surrounding medium.

This study found that different types of seborrheic keratosis demonstrate diverse differentiation patterns, highlighting its undifferentiated and hyperproliferative state with varying keratinization directions.

Junctional proteins stabilize the inner root sheath and connect the companion layer in human hair.

This study found that basal keratinocytes in engineered skin substitutes showed a proliferative phenotype and potential for long-term replication, which may enhance wound healing stability.

This study suggests that the C-terminal of AHF is crucial for its binding to keratin bundles and modulating the keratin meshwork in hair follicles.

This study found that hydrophobic amino acids from egg white hydrolyzed protein and L-phenylalanine effectively penetrate deep into the human hair fiber, increasing specific contents in both virgin and bleached hair.

This study found that p-auricular skin sites produced higher quality keratinocyte cultures with more K19-positive cells compared to scalp and chest sites, despite scalp's higher stem cell content in situ.

CD200 is not a reliable marker for identifying stem cells in all skin types.

This study reports that keratin actives may protect various hair types from chemical damage, restore damaged fibers' mechanical strength, and reduce color fading.

This study characterized the intron-exon organization of human keratin 15 and keratin 19 genes to aid future mutation detection analyses related to potential genetic disorders of keratinization.

This study found that distinct glycoconjugate expression patterns in human hair follicle cells suggest complex carbohydrate metabolism, revealing a unique sugar moiety in outer root sheath cells not present in other keratinocytes.

This study found that a single application of TCDD on the skin of hairless mice altered epidermal differentiation, changing keratin expression patterns similarly to a known tumor promoter.

This study found that the X-ray patterns of stretched mammalian hair (β-keratin) are similar to those of natural silk (fibrion), suggesting a similar elastic mechanism involving reversible intra-molecular transformations.

This study identified four immune-related signaling molecules (LGR5, PTN, JAG1, and DKK1) associated with keloid, suggesting their potential role in its pathogenesis and as targets for new treatments.

In this study, certain cysteine residues in Romney sheep wool fibers were labeled more often during stretching tests, particularly under wet conditions, suggesting variability in their disulfide bond contributions to fiber mechanics depending on hydration.

This study found that keratin-associated protein nanoparticles extracted from human hair significantly reduced clotting time, suggesting their potential as a hemostatic agent for bleeding control, though further research is needed to understand their precise role in coagulation processes.

This study found that hair loss in an Olmsted syndrome mouse model with a Trpv3 mutation was linked to premature keratinocyte maturation, affecting hair follicle structure and function.