Abstract
Summary and Conclusions
1. Recovery of the production of hemolysin in irradiated mice receiving bone marrow or spleen cell homogenate occurred at the same rate as in litter-mate control mice exposed to 450 r of X-rays.
2. Recovery of antibody production in response to injected sheep erythrocytes is gradual and begins in the 4th week after exposure of mice to 450 r. Recovery of the hemolysin response is not complete even at 7 weeks after this dose of radiation since many of the mice had peak serum hemolysin titers that were below the limits of non-irradiated controls.
3. The time required for the development of peak titer following a single immunizing injection was not lengthened by exposure to 450 r whole-body irradiation.
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