Abstract
A series of 18 monoclonal antibodies directed to complement regulatory proteins were investigated by flow cytometry and immunoblotting. Seventeen antibodies are directed against a phosphatidyl inositol-linked glycoprotein since they show a dual population of erythrocytes from a paroxysmal nocturnal haemoglobinuria (PNH) patient. From this group, 6 antibodies revealed a 65-70 kDa band on immunoblots allowing their identification as anti-DAF (Decay Accelerating Factor; CD55 antigen), and 11 bound to a 20 kDa molecule corresponding to MIRL (Membrane Inhibitor of Reactive lysis, CD59 antigen). One antibody revealed an homogeneous population from the PNH patient and bound to a 200 kDa band on immunoblot that might corresponds to the CR1 (Complement Receptor type 1; CD35).
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Schedule a callMore From: Transfusion clinique et biologique : journal de la Societe francaise de transfusion sanguine
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