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1989•Journal of Interferon ResearchRequires access

Production of Monoclonal Antibodies Toward Bovine Interferons-α Suitable for Immunopurification

David Kobiler, Haim Grosfeld, Moshe Leitner, R. Monzain, C. FRIST, Tamar Seri, S. COHEN, Baruch Velan, Avigdor Shafferman, Yehoshua Gozes

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Abstract

Five murine hybridoma clones, producing monoclonal antibodies (MAbs) to bovine interferon-alpha (BoIFN-alpha) were established. One of these, F12, secreted MAbs giving high titers, in ELISA tests, neutralizing both BoIFN-alpha, -alpha C, and BoIFN-alpha D activities, belonging to the mouse IgG1 class, and having a binding affinity constant of 10(8) M-1. F12 MAbs were used for immunoaffinity purification of BoIFN-alpha, and recombinant BoIFN-alpha C from Escherichia coli extracts was purified to homogeneity in SDS-PAGE analysis and to a specific activity of 2 X 10(8) U/mg with 90% recovery of activity.

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What this paper is about

Five murine hybridoma clones, producing monoclonal antibodies (MAbs) to bovine interferon-alpha (BoIFN-alpha) were established. One of these, F12, secreted MAbs giving high titers, in ELISA tests, neutralizing both BoIFN-alpha, -alpha C, and BoIFN-alpha D activities, belonging to the mouse IgG1 class, and having a binding affinity constant of 10(8) M-1. F12 MAbs were used for immunoaffinity purification of BoIFN-alpha, and recombinant BoIFN-alpha C from Escherichia coli extracts was purified to homogeneity in SDS-PAGE analysis and to a specific activity of 2 X 10(8) U/mg with 90% recovery of activity.

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Available abstract

Five murine hybridoma clones, producing monoclonal antibodies (MAbs) to bovine interferon-alpha (BoIFN-alpha) were established. One of these, F12, secreted MAbs giving high titers, in ELISA tests, neutralizing both BoIFN-alpha, -alpha C, and BoIFN-alpha D activities, belonging to the mouse IgG1 class, and having a binding affinity constant of 10(8) M-1. F12 MAbs were used for immunoaffinity purification of BoIFN-alpha, and recombinant BoIFN-alpha C from Escherichia coli extracts was purified to homogeneity in SDS-PAGE analysis and to a specific activity of 2 X 10(8) U/mg with 90% recovery of activity.

Key concepts: Monoclonal antibody, Antibody, Virology, Biology, Chemistry, Immunology

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