Rats were fed the Mead-Johnson elemental diet 3200-BD or the normal laboratory pellet food. The former group was found more resistant to a 700-rad total-body exposure of60 Co γ-radiation. In these animals, [3 H] TdR incorporation was higher in the thymus, spleen, and bone marrow. They could also respond better to an antigenic stimulation by producing a larger amount of antibody. The radioprotective action of the diet might be explained in terms of an enhanced cellular proliferation of the hematopoietic tissues. Finally, a relation seems to exist between this enhancement and a more efficient immune response in diet-fed animals.
Systemic Protection against Radiation: I. Effect of an Elemental Diet on Hematopoietic and Immunologic Systems in the Rat
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R. Pageau, R. Lallier, G. Bounous, S. Bachand; Systemic Protection against Radiation: I. Effect of an Elemental Diet on Hematopoietic and Immunologic Systems in the Rat. Radiat Res 1 May 1975; 62 (2): 357–363. doi: https://doi.org/10.2307/3574227
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