Affiliation:
1. From The Rockefeller University, New York 10021
Abstract
The inheritance of individual antigenic specificities (IAS) of rabbit antibodies to the Group C streptococcal carbohydrate was demonstrated in a selectively bred rabbit family. The IAS of the antibodies from 3 proband rabbits were also observed in the Group C antibodies in as many as 7 out of 42 related rabbits, but in none of the Group C antibodies from 48 unrelated rabbits, Immunodiffusion analyses and quantitative radioprecipitin experiments revealed that this cross-specificity may be either partial or complete.
Quantitative inhibition of the precipitin reaction between the proband antibody and its antiserum by preimmune IgG revealed 30-fold differences in the proportion of molecules with cross-specificity for the proband antibody. This proportion is higher in the preimmune IgG of the proband rabbit and of those relatives which produced cross-precipitating antibodies than it is in the IgG of rabbits which had the same group a allotype, but did not produce cross-precipitating antibodies. The proportion is much lower in the IgG of rabbits with a group a allotype different from that of the proband antibody. These data suggest that serologically detected individual antigenic specificities are inherited markers of immunoglobulins.
Publisher
Rockefeller University Press
Subject
Immunology,Immunology and Allergy
Cited by
138 articles.
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