Abstract
The interferon system plays an important role in the control of viral infections and cell proliferation. These effects are mediated through the interaction of interferons with specific cell surface receptors. We report here the development of monoclonal antibodies against one of the subunits of the interferon alpha receptor. These antibodies detect a 110-kDa protein in surface-labeled cells and in Western blots, and 130- and 210-kDa bands after crosslinking to iodinated interferon alpha 2. No other subunits are disulfide-linked to the 130-kDa subunit or are coprecipitated by these antibodies. Analysis by two-dimensional gel electrophoresis revealed that the pI of this subunit is 3.5-5.0. We suggest that the protein recognized by these monoclonal antibodies be named the alpha subunit of the interferon alpha receptor.
MeSH Terms
Antibodies, Monoclonal/isolation & purification
Blotting, Western
Burkitt Lymphoma
Cell Division/drug effects
Cell Line
DNA Replication/drug effects
Electrophoresis, Gel, Two-Dimensional
Electrophoresis, Polyacrylamide Gel
Humans
Interferon Type I/metabolism
Interferon alpha-2
Interferon-alpha/metabolism,pharmacology
Macromolecular Substances
Molecular Weight
Receptors, Immunologic/analysis,immunology
Receptors, Interferon
Recombinant Proteins
Chemicals
Antibodies, Monoclonal
Interferon Type I
Interferon alpha-2
Interferon-alpha
Macromolecular Substances
Receptors, Immunologic
Receptors, Interferon
Recombinant Proteins
Authors & Affiliations
6 authors, click to expand affiliations / ORCID
Colamonici O R
Department of Medicine, University of Chicago, IL 60637.
D'Alessandro F
Diaz M O
Gregory S A
Neckers L M
Nordan R
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