CloneID: 1E8-C6-B4
Heavy Chain modification: Fc Silent™
Antigen Long Description: The original antibody was generated by immunizing mice against the C-terminus (amino acids 472-483) of human Cytokeratin 8.
Buffer Composition: PBS with 0.02% Proclin 300.
Chimeric Use Statement: This chimeric human antibody was made using the variable domain sequences of the original Mouse IgG1 format, for improved compatibility with existing reagents, assays and techniques.
Available Custom Conjugation Options: AP, HRP, Fluorescein, APC, PE, Biotin Type A, Biotin Type B, Streptavidin, FluoroProbes 647H, Atto488, APC/Cy7, PE/Cy7
Uniprot Accession No.: P05787
Specificity Statement: The antibody is specific for the C-terminus of cytokeratin 8, one member of a diverse group of proteins called intermediate filament proteins. These proteins are often expressed in pairs. Cytokeratin 8 pairs with Cytokeratin 18 to form a component of the cytoskeleton in simple epithelial cells. Cytokeratin 8 is present on the surface of intact hepatocytes, hepatocellular carcinoma cells, and breast cancer cells.
Application Notes (Clone): The original antibody detected CK 8 by western blot from BT20 breast cancer cells. Immunofluorescence was performed on BT20 cells using this antibody, showing the carboxyl terminus of CK 8 was exposed on the surfaces of breast cancer cells. The Fab fragment of the antibody was used for inhibition experiments on breast cancer cell lines BT20, MDA-MB-157, MCF-7 and purified CK 8. Results showed a decreased plasminogen binding in all the experiments. The Fab fragment was used to study the role of cell-surface CK 8 in promoting the activation of plasminogen by t-PA in MCF-7 cells; preincubation of MCF-7 cells with the Fab fragment caused a concentration-dependent decrease in the ability of the cell cultures to promote plasminogen activation (Hembrough et al, 1996; pmid:8810346).
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