Cytokeratin 18 Antibody (RGE 53)

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Product Details

Summary
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    • Catalog Number
      NBP1-50098
    • Availability
      Product Discontinued

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Cytokeratin 18 Antibody (RGE 53) Summary

Immunogen
Hela cells.
Marker
Epithelial Marker
Specificity
Keratin RGE 53 specifically recognizes glandular epithelial cells from gastro-intestinal tract, respiratory tract and urogenetical tract. As well as endocrine and exocrine tissues and mesothelial cells. It is unreactive with stratified squamous epithelia (esophagus, epidermis, ectocervix). In transitional epithelium of the bladder RGE53 only reacts with the superficial (umbrella) cells. RGE53 can distinguish adenocarcinomas and mesotheliomas from squamous cell carcinoma and non-epithelial tumours. The antibody is directed against 45 kD cytokeratin protein (cytokeratin 18). Cross reactivity with; Keratin from most mammals, birds. Immunogen: Hela cells.
Isotype
IgG1
Clonality
Monoclonal
Host
Mouse
Gene
KRT18
Purity
Tissue culture supernatant
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Applications/Dilutions

Dilutions
  • Western Blot 1:100-1:2000
  • Flow Cytometry 1:10-1:1000
  • Immunohistochemistry 1:10-1:500
  • Immunohistochemistry-Frozen 1:10-1:500
Application Notes
Frozen sections, Cytological material, flow cytometry and Western Blotting. Working dilutions: 1:5-1:10 (Based on the indirect method, with a normal ABC method the dilution can be 5-10 times higher, but the optimal dilution should be tested by serial dilution). Positive control: adeno carcinoma

Reactivity Notes

Mammal, Avian. Please note that this antibody is reactive to Mouse and derived from the same host, Mouse. Additional Mouse on Mouse blocking steps may be required for IHC and ICC experiments. Please contact Technical Support for more information.

Packaging, Storage & Formulations

Storage
Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.
Buffer
No buffer
Preservative
0.1% Sodium Azide
Purity
Tissue culture supernatant

Alternate Names for Cytokeratin 18 Antibody (RGE 53)

  • Cell proliferation-inducing gene 46 protein
  • cell proliferation-inducing protein 46
  • CK-18
  • CYK18
  • Cytokeratin 18
  • cytokeratin-18
  • K18
  • Keratin 18
  • keratin, type I cytoskeletal 18
  • keratin-18
  • KRT18

Background

Cytokeratin 18 (CK-18), a normal constituent of the hepatocyte cytoskeleton) is a standard tumor marker. CK-18 is elevated in patients with non-malignant liver diseases, particularly in those with prominent cytolysis (1). CK-18 and the homologous mouse Endo B are type I IF protein subunits whose expression is restricted in adults to a variety of simple epithelial tissues. Keratin 8 and 18 (CK8/18) are the major keratin pair in simple-type epithelia, as found in the liver, pancreas, and intestine. Transgenic mice that express mutant keratin 18 develop chronic hepatitis, and have an increased susceptibility to drug-induced hepatotoxicity (2). Studies shows that high CK18 expression in tumor cells is associated with reduced invasiveness in vitro and lack of tumorigenicity in nude mice. It has been shown that high K18 expression correlated with a good prognosis and that reducing K18 expression increased the aggressiveness of established breast cancer cell lines (3).

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Blogs on Cytokeratin 18.

Cytokeratin 18 - A Intermediate Filament Cyotskeletal Component
Keratins, also called cytokeratins, are a family of filamentous structural proteins that form the intermediate filaments within epithelial cells. Keratins are differentially expressed depending on both the epithelial cell origin and degree of differen...  Read full blog post.

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Bioinformatics

Gene Symbol KRT18
Entrez