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  • 1
    ISSN: 1432-0851
    Keywords: Monoclonal antibody ; Antigenic peptides ; Gastric carcinoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A murine anti-(human gastric carcinoma) monoclonal antibody, GL-013 (IgG1), which reacts with a high-molecular-mass glycoprotein from colorectal tumour tissue [Yang and Price (1989) Anticancer Res 9: 1707], was examined for reactivity against a panel of purified and partially purified antigens associated with tumours of the gastrointestinal tract. These included carcinoembryonic antigen (CEA), normal cross-reacting antigen, Y-hapten glycoproteins, and perchloric acid extracts and glycolipid preparations from colorectal tumours. While the GL-013 antibody failed to bind to these antigens, it was found to react strongly with synthetic peptides with sequences based upon that reported for the protein core of a human gastrointestinal mucin [Barnd et al. (1989) Proc Natl Acad Sci USA 86: 7159; Gum et al. (1989) J Biol Chem 264: 6480]. In control tests, a series of other anti-(colorectal tumour) antibodies (IgG1 and IgG3), with broad reactivity towards gastrointestinal carcinomas, as well as an anti-CEA antibody, (IgG1) failed to react with the synthetic peptides. It is concluded that the anti-(gastric carcinoma) monoclonal antibody GL-013 binds to a threonine-rich peptide epitope expressed within the protein core of gastrointestinal mucins.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of cancer research and clinical oncology 111 (1986), S. 169-172 
    ISSN: 1432-1335
    Keywords: Membrane-antibody binding ; Antigen ; Human tumours
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A micro-radioisotopic antiglobulin assay has been employed to determine the binding of monoclonal antibodies to subcellular membranes adsorbed to the wells of Terasaki Microtest Plates. A panel of 15 monoclonal antibodies was tested against 22 membrane preparations isolated from normal and malignant colo-rectal, breast and lung tissues. The assay provided an objective evaluation of antibody reactivity permitting the expression of major antigens in samples from individual surgical specimens to be defined.
    Type of Medium: Electronic Resource
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