The Journal of Experimental Medicine
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The Journal of Experimental Medicine, Vol 132, 440-447, Copyright © 1970 by The Rockefeller University Press


ARTICLE

TOLERANCE AND IMMUNITY TO MATERNALLY DERIVED INCOMPATIBLE IgG2a-GLOBULIN IN MICE

Noel L. Warner Ph.D.1 and Leonore A. Herzenberg 1

1 From The Department of Genetics, Stanford University School of Medicine, Stanford, California 94305

Progeny mice were confronted with maternal gamma-globulin of a different allotype by either back-cross mating, intercross mating, or by foster nursing. In all cases, many mice subsequently produced alloantibodies directed against the incompatible maternal type of IgG2a-globulin.

In one series of experiments, immunologic tolerance to the maternally derived gamma-globulin was demonstrated to exist in the period before formation of spontaneous antibody. The state of tolerance was then lost, unless maintenance injections of foreign gamma-globulin were given.

These studies demonstrate in a natural situation that maternally derived foreign proteins can first induce a state of immunological tolerance which is followed, after disappearance of the antigen, by a state of immunity. As such, this parallels the experimental induction of tolerance to foreign proteins by neonatal injections.

Submitted on April 12, 1970


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