Monoclonal antibody specific for the adhesion function domain of a phagocyte cell surface protein
First Claim
1. A monoclonal antibody which binds specifically to the epitope defined by the MY904 antibody, wherein said binding inhibits only the adhesion-dependent functions of granulocytes and monocytes without binding the iC3b component of complement, and wherein the antibody does not bind human T and B lymphocytes, said MY904 antibody being the antibody produced by the hybridoma having ATCC accession number HB9510.
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Abstract
A hybrid cell line is developed which produces a monoclonal antibody which binds to a unique antigenic site expressed on the surface of phagocytic cells. The monoclonal antibody binds to and activates a specific domain of the CD11b glycoprotein so as to inhibit adhesion dependent functions of the phagocytic cell, but it does not affect other phagocytic functions. This monoclonal antibody can be used as a reactant in an in vitro diagnostic immunoassay for detecting the unique antigenic site on the surface of normal human neutrophils.
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Citations
9 Claims
- 1. A monoclonal antibody which binds specifically to the epitope defined by the MY904 antibody, wherein said binding inhibits only the adhesion-dependent functions of granulocytes and monocytes without binding the iC3b component of complement, and wherein the antibody does not bind human T and B lymphocytes, said MY904 antibody being the antibody produced by the hybridoma having ATCC accession number HB9510.
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5. The cell line produced by a hydridoma technique having all the identifying characteristics of the sample on deposit with the American Type Culture Collection No. HB9510 producing monoclonal antibody MY904 that specifically binds to the adhesion-domain of the CD116/CD18 phagocyte surface protein.
Specification