CytokeRatin 14, Monoclonal Antibody

For Research Use Only. Not for use in diagnostic procedures.

Monoclonal

IgG1

SPK-14

Mouse

SPK-14 reacts exclusively with cytokeRatin 14 which is present in basal cell compartments of stRatified and combined epithelia.

Each vial contains 1 ml of culture supernatant of monoclonal antibody containing 0.09% sodium azide.

Store at 4 degree C, or in small aliquots at -20 degree C.

Small volumes of anti-KRT14 antibody vial(s) may occasionally become entrapped in the seal of the product vial during shipment and storage. If necessary, briefly centrifuge the vial on a tabletop centrifuge to dislodge any liquid in the container`s cap. Certain products may require to ship with dry ice and additional dry ice fee may apply.

CytokeRatins are a subfamily of intermediate filament proteins and are characterized by a remarkable biochemical diversity, represented in Human epithelial tissues by at least 20 different polypeptides. They range in molecular weight between 40 kDa and 68 kDa and isoelectric pH between 4.9 - 7.8. The individual Human cytokeRatins are numbered 1 to 20. The various epithelia in the Human body usually express cytokeRatins which are not only characteristic of the type of epithelium, but also related to the degree of matuRation or differentiation within an epithelium. CytokeRatin subtype expression patterns are used to an increasing extent in the distinction of different types of epithelial malignancies. The cytokeRatin antibodies are not only of assistance in the differential diagnosis of tumors using immunohistochemistry on tissue sections, but are also a useful tool in cytopathology and flow cytometric assays.

Cytoskeletal

Flow Cytometry (FC), Immunocytochemistry (IHC), Immunohistochemistry (IHC) (frozen), Western Blot (WB)

SPK-14 is useful for immunocytochemistry, immunohistochemistry on frozen sections, immunoblotting and flow cytometry. Optimal antibody dilution should be determined by titRation.

Figure 1: Immunohistochemistry on frozen section of human skin

51,561 Da[Similar Products]

Keratin, type I cytoskeletal 14

CK-14; K14  [Similar Products]

K1C14_HUMAN

K14: a type I cytoskeletal keratin. The keratins are intermediate filament proteins responsible for the structural integrity of epithelial cells and are subdivided into cytokeratins and hair keratins. There are two types of cytoskeletal and microfibrillar keratin: type I (acidic; 40-55 kDa) [K9 to K20] and type II (neutral to basic; 56-70 kDa) [K1 to K8]. Both a basic and an acidic keratin are required for filament assembly. Generally associates with K5.

Protein type: Cytoskeletal

Chromosomal Location of Human Ortholog: 17q21.2

Cellular Component: cytoplasm; keratin filament; intermediate filament; cytosol; nucleus

Molecular Function: protein binding; structural constituent of cytoskeleton

Biological Process: hemidesmosome assembly; epidermis development; epithelial cell differentiation; response to zinc ion; response to ionizing radiation; intermediate filament bundle assembly; hair cycle; aging

Disease: Epidermolysis Bullosa Simplex, Localized; Epidermolysis Bullosa Simplex, Generalized; Dermatopathia Pigmentosa Reticularis; Epidermolysis Bullosa Simplex, Autosomal Recessive 1; Naegeli Syndrome; Epidermolysis Bullosa Simplex, Dowling-meara Type

Ivanyi, D., Minke, J. M., Hageman, C., Groeneveld, E., and van Doornewaard, G. (1992). Patterns of expression of feline cytokeRatins in healthy epithelia and mammary carcinoma cells, Am J Vet Res 53, 304-14. Bonfrer, J. M., Groeneveld, E. M., Korse, C. M., van Dalen, A., Oomen, L. C., and Ivanyi, D. (1994). Monoclonal antibody M3 used in tissue polypeptide-specific antigen assay for the quantifiCation of tissue polypeptide antigen recognizes keRatin 18, Tumour Biol 15, 210-22.

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