Abstract
1. 1. Pubescent and prepubescent rats were injected with nephrotoxic serum in order to induce nephritis. 2. 2. Using Sephadex G 200 chromatography, we noted an exclused and a diffused fraction in each case, in normal and nephritic rat urines. A third peak appeared in pathological cases. 3. 3. Maximum absorbance of the 2 first peaks was unrelated with the total proteinuria which varied during the experimental disease course. 4. 4. Quantitative analysis of the total proteinemia and α-macroglobulins did not differ in normal and nephritic rat serum. We noted a diminution in albumin, β and γ globulins. Immunoelectrophoretical methods revealed a bifid precipitin line of the γ globulins. The presence of a pre-albumin in prepubescent rat serum lead us to suppose that Masugi nephritis symptoms are different according to the age of the rat.
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More From: Comparative Biochemistry and Physiology -- Part A: Physiology
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