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- Tel: 858.663.9055
- Email: info@nsjbio.com
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Cytokeratin 14 Rabbit Polyclonal Antibody recognizes keratin 14 (KRT14), a type I intermediate filament protein expressed predominantly in basal epithelial cells of stratified squamous tissues. Encoded by the KRT14 gene on chromosome 17, this protein is abundant in basal keratinocytes of the epidermis, oral mucosa, esophagus, and other epithelial surfaces. KRT14 is also expressed in basal and myoepithelial cells of certain glandular tissues. Its distribution makes it an important marker for identifying basal epithelial populations, investigating tissue organization, and examining changes in epithelial differentiation during development, regeneration, and disease.
Keratin 14 forms heterodimers with keratin 5, a type II intermediate filament protein, creating the principal keratin pair of basal keratinocytes. These proteins assemble into intermediate filament networks that provide mechanical stability and connect to desmosomes and hemidesmosomes through associated proteins. Their organization helps epithelial cells withstand physical stress and maintain tissue integrity. As keratinocytes differentiate and migrate into suprabasal compartments, KRT14 expression generally decreases while differentiation-associated keratins become more prominent. Keratins 1 and 10 characterize keratinizing epidermis, whereas keratins 4 and 13 are associated with nonkeratinized mucosal epithelia.
Pathogenic variants in KRT14 are associated with epidermolysis bullosa simplex, an inherited disorder characterized by skin fragility and blister formation following mechanical trauma. Cytokeratin 14 is also investigated in squamous cell carcinomas, basal-like breast cancers, and other epithelial malignancies. Its expression can help characterize basal differentiation and identify changes in epithelial phenotype associated with tumor progression. Researchers frequently examine KRT14 alongside KRT5, TP63, and other epithelial markers to investigate cellular heterogeneity, tissue remodeling, and the organization of basal cell populations. Its biological significance depends on tissue context and the accompanying marker profile.
NSJ Bioreagents offers an antigen affinity-purified rabbit polyclonal antibody generated against amino acids 446-472 of human KRT14. The antibody is validated for western blotting, immunohistochemistry, and flow cytometry, with reported reactivity in human, mouse, and rat samples. Its C-terminal peptide immunogen distinguishes this reagent from monoclonal antibodies developed against larger recombinant KRT14 fragments. The KRT14 Antibody provides an additional host species option for investigating basal epithelial differentiation and intermediate filament organization. A Cytokeratin 14 Rabbit Polyclonal Antibody supports research into epithelial integrity, inherited keratin disorders, and tumor-associated changes in cellular differentiation.
Explore our KRT14 Antibody KRT14/4128 for investigating cytokeratin 14 expression, basal epithelial differentiation, and intermediate filament organization in normal and diseased tissues.
Optimal dilution of the Cytokeratin 14 Rabbit Polyclonal Antibody / KRT14 Antibody should be determined by the researcher.
Amino acids 446-472 (RQIRTKVMDVHDGKVVSTHEQVLRTKN-human) were used as the immunogen for the Cytokeratin 14 Rabbit Polyclonal Antibody.
After reconstitution, the Cytokeratin 14 Rabbit Polyclonal Antibody can be stored for up to one month at 4oC. For long-term, aliquot and store at -20oC. Avoid repeated freezing and thawing.
CK14 antibody, Keratin 14 antibody, KRT14 antibody, Cytokeratin-14 antibody, Keratin-14 antibody, Type I Cytoskeletal Keratin 14 antibody
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