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J Immunol Methods. 1990 Mar 27;128(1):75-9.

Practical method for production of monoclonal antibody to human IgG allotype G1M F and its applications in ELISAs and dot immunobinding.

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Department of Forensic Medicine, Medical College of Oita, Japan.


An anti-G1M F monoclonal antibody was produced by immunization of mice with a single dose of F(ab')2 fragments of normal IgG1-enriched IgG and subsequent fusion of their lymph node cells with P3U1 myeloma cells. Antibody specificity was tested by an ELISA in microtiter plates coated with allotype positive or negative IgG. The usefulness of the antibody as a G1M F typing reagent in inhibition and direct immobilization-type ELISAs and dot immunobinding was demonstrated by re-typing of 100 GM-allotyping control sera. The advantages and disadvantages of these assay methods are discussed.

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