Method of detecting bone acidic glycoprotein-75 and its 50,000 M

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving antigen-antibody binding – specific binding protein...

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435 792, 436514, 436528, 436530, 530840, G01N 3353

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056374666

ABSTRACT:
A method of detecting bone acidic glycoprotein-75 (BAG-75) antigen includes the steps incubating a serum or synovial fluid sample with anti-BAG antibody, reacting the incubated sample with a signal generating antibody to the anti-BAG-75 antibody, and detecting the signal as an indication of BAG-75 antigen in the serum. Antibodies for use in the test for detecting BAG-75 antigen in serum and synovial fluid samples includes BAG-75 #3-13 peptide anti-serum, anti-BAG-75 protein anti-serum, and monoclonal antibodies against the BAG-75 protein, the antibodies recognizing the 75,000 molecular weight BAG-75 precursor protein and the 50,000 molecular weight BAG-75 fragment in serum and synovial fluid. Molecular weight assignments are based upon electrophoretic mobilities under denaturing conditions.

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