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Invitrogen™ Cytokeratin 18 Monoclonal Antibody (M9)
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Catalog No. 01671384
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01-671-384 1 mL
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Catalog No. 01-671-384 Supplier Invitrogen™ Supplier No. MA135546
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Description

Mouse Monoclonal Antibody

The antibody does stain especially simple epithelia. Only frozen sections can be used in immunoperoxidase and immunofluorescence tests. In immunoblotting experiments the antibody was shown to recognize only keratin no.18 (45 kDa).

Cytokeratin 18 (Keratin 18, KRT18, type I cytoskeletal 18) belongs to the type A (acidic) subfamily of low molecular weight keratins, exists in combination with cytokeratin 8. Tissues from gastrointestinal tract, respiratory tract and urogenital tract, as well as endocrine and exocrine tissues and mesothelial cells are positive for cytokeratin 18. Further, cytokeratin 18 is found primarily in non-squamous epithelia and is present in a majority of adenocarcinomas and ductal carcinomas, but not in squamous cell carcinomas. Hepatocellular carcinomas express only cytokeratins 8 and 18. Mutations in the cytokeratin 18 gene have been linked to cryptogenic cirrhosis. Two transcript variants encoding the same protein have been found for the cytokeratin 18 gene. 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.
TRUSTED_SUSTAINABILITY

Specifications

Antigen Cytokeratin 18
Applications Immunohistochemistry (Frozen), Immunohistochemistry (Paraffin), Western Blot, Immunocytochemistry
Classification Monoclonal
Clone M9
Concentration 15 μg/mL
Conjugate Unconjugated
Formulation Tissue culture supernatant with 0.1M sodium azide
Gene KRT18
Gene Accession No. P05783
Gene Alias cb83; Cell proliferation-inducing gene 46 protein; CK 18; CK18; CK-18; CYK18; cytokeratin 18; cytokeratin endo B; cytokeratin type -1; DAPK-1; Cytokeratin18; cytokeratin-18; dapk1; dorsal aorta proneprin kinesin-1; DreK18; Endo B; I79_023185; K 18; K18; keratin 18; keratin 18, type I; keratin 18a, tandem duplicate 1; keratin complex 1, acidic, gene 18; keratin D; Keratin, type I cytoskeletal 18; Keratin18; keratin-18; Kerd; KRT 18; Krt1-18; KRT18; krt18 {ECO:0000250; krt18a.1; LOC100008885; PIG46; sb:cb83; type I cytoskeletal 18; UniProtKB:P05783}; wu:fa13f02; wu:fb36b04
Gene Symbols KRT18
Host Species Mouse
Immunogen Cytokeratin isolated from a human breast carcinoma cell line (MCF-7).
Quantity 1 mL
Regulatory Status RUO
Primary or Secondary Primary
Gene ID (Entrez) 3875
Target Species Human
Content And Storage 4°C
Product Type Antibody
Form Liquid
Isotype IgG1
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