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. 1972 Jun 2;176(4038):1027-9.
doi: 10.1126/science.176.4038.1027.

Specific inhibition of plaque formation to phosphorylcholine by antibody against antibody

Specific inhibition of plaque formation to phosphorylcholine by antibody against antibody

H Cosenza et al. Science. .

Abstract

Spleen cells from BALB/c mice immunized with heat-killed rough pneumococci (strain R36A) or spleen cells from normal mice immunized in vitro with the same antigen produce direct hemolytic plaques against sheep erythrocytes coated with pneumococcal C polysaccharide or conjugated with phosphorylcholine. Formation of plaques is specifically inhibited by phosphorylcholine or by antiserum to mouse immunoglobulin A myeloma protein which binds phosphorylcholine. Thus, the myeloma proteins and normal BALB/c antibodies share similar idiotypic determinants. This experimental system is suitable for probing the role of the antigen receptor in the immune response.

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