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2004•Journal of Immunoassay and ImmunochemistryRequires access

Production and Characterization of Anti‐recombinant Human Erythropoietin (rhEPO) Monoclonal Antibody

Yan Jin, Shan Wang, Jie‐Bo Mi, Zhenquan Guo, Wen‐Bao Chang

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Abstract

Anti-rhEPO McAb is valuable for the determination of recombinant human erythropoietin (rhEPO) levels for diagnosis of renal anemia and for doping control analysis. In this paper, anti-rhEPO hybridoma was prepared by fusion of SP2/0 murine myeloma cells with spleen cells isolated from immunized BALB/c mouse, using an enzyme-linked immunosorbent assay (ELISA) method to screen the positive hybridoma. The purified McAb was characterized by ELISA, SDS-PAGE, and Western-blotting. Experimental results showed that the subclass and the light chain of anti-rhEPO McAb was IgG1 and kappa light chain. The molecular weight of anti-rhEPO McAb was 166,000 Daltons. The affinity constant (K(aff)) of anti-rhEPO McAb with coated antigen was 5.0 x 10(5)L/mol.

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What this paper is about

Anti-rhEPO McAb is valuable for the determination of recombinant human erythropoietin (rhEPO) levels for diagnosis of renal anemia and for doping control analysis. In this paper, anti-rhEPO hybridoma was prepared by fusion of SP2/0 murine myeloma cells with spleen cells isolated from immunized BALB/c mouse, using an enzyme-linked immunosorbent assay (ELISA) method to screen the positive hybridoma. The purified McAb was characterized by ELISA, SDS-PAGE, and Western-blotting. Experimental results showed that the subclass and the light chain of anti-rhEPO McAb was IgG1 and kappa light chain. The molecular weight of anti-rhEPO McAb was 166,000 Daltons. The affinity constant (K(aff)) of anti-rhEPO McAb with coated antigen was 5.0 x 10(5)L/mol.

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Available abstract

Anti-rhEPO McAb is valuable for the determination of recombinant human erythropoietin (rhEPO) levels for diagnosis of renal anemia and for doping control analysis. In this paper, anti-rhEPO hybridoma was prepared by fusion of SP2/0 murine myeloma cells with spleen cells isolated from immunized BALB/c mouse, using an enzyme-linked immunosorbent assay (ELISA) method to screen the positive hybridoma. The purified McAb was characterized by ELISA, SDS-PAGE, and Western-blotting. Experimental results showed that the subclass and the light chain of anti-rhEPO McAb was IgG1 and kappa light chain. The molecular weight of anti-rhEPO McAb was 166,000 Daltons. The affinity constant (K(aff)) of anti-rhEPO McAb with coated antigen was 5.0 x 10(5)L/mol.

Key concepts: Erythropoietin, Monoclonal antibody, Recombinant DNA, Antibody, Chemistry, Medicine, Immunology, Biochemistry

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