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You are here:Home » Antibodies » Abs to Cytokeratin » Anti -Cytokeratin 18

Anti -Cytokeratin 18

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Specifications

Clone Host Grade Applications
Monoclonal Mouse Affinity Purified B IP IH IC
Cytokeratins (CK) are intermediate filaments of epithelial cells, both in keratinizing tissue (ie., skin) and non-keratinizing cells (ie. mesothelial cells). Although not a traditional marker for endothelial cells, cytokeratins have also been found in some microvascular endothelial cells. Atleast 20 different cytokeratins (CK) in the molecular range of 40-70kD and isoelectric points of 5-8.5 can be identified using two dimensional gel electrophoresis. Biochemically, most members of the CK family fall into one of two classes, type I (acidic polypeptides) and type II (basic polypeptides). At least one member of the acidic family and one member of the basic family is expressed in all epithelial cells. Monoclonal antibodies to cytokeratin proteins can be useful markers for tumor identification and classification. Cytokeratin 18 is an acidic keratin which is found primarily in non-squamous epithelia and is present in a majority of adenocarcinomas and ductal carcinomas but not in squamous cell carcinomas. Cytokeratin 18 exists in combination with Cytokeratin 8, a basic keratin. Hepatocellular carcinomas have been reportedly defined by the use of antibodies that recognize only Cytokeratins 8 and 18.
Catalog #C9097-19R
ApplicationsSuitable for use in Western Blot, Immunoprecipitation, Immunohistochemistry and Immunocytochemistry. Other applications not tested.
Recommended DilutionOptimal dilutions to be determined by the researcher.
Storage and StabilityMay be stored at 4°C for short-term only. For long-term storage and to avoid repeated freezing and thawing, aliquot Store at -20°C. Aliquots are stable for at least 12 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Clone TypeMonoclonal
IsotypeIgG1
Clone No8J1190
HostMouse
SourceHuman
ConcentrationAs reported
FormSupplied as a liquid in PBS, pH 7.2.
PurityPurified by immunoaffinity chromatography.
ImmunogenTissue / cell preparation (Human). (Cytoskeleton preparation of epidermal carcinoma cell line A431).
SpecificityCytokeratin peptide 18 (45kD). Species Crossreactivity: Crossreacts with mammals.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Alternate namesCK 18, CYK18, Cytokeratin endo B, Keratin 18, Keratin D, Keratin type I cytoskeletal 18, Kerd, KRT18


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