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  • Title: Lysosomes in the pathogenesis of the renal necrosis of choline-deficient rats.
    Author: Monserrat AJ, Hamilton F, Ghoshal AK, Porta EA, Hartroft WS.
    Journal: Am J Pathol; 1972 Jul; 68(1):113-46. PubMed ID: 5080696.
    Abstract:
    Previously published data from our laboratories led us to postulate that alterations in lysosomes may play a cardinal pathogenic role in the fatal renal necrosis of choline-deficient weanling rats. To explore this hypothesis further a series of five different experiments were carried out. In the first two experiments the effect of a "stabilizer" of the lysosomes, hydrocortisone, was studied; conversely, in the third and fourth experiments, the effect of a "labilizer," vitamin A, was studied. Finally, in the fifth experiment, the renal levels of a lysosomal enzyme, acid phosphatase, were evaluated biochemically. Results of the first two experiments revealed a protective effect of hydrocortisone while those of the third and fourth an aggravating effect of vitamin A. Results of the fifth experiment indicated lysosomal changes in the prenecrotic and early necrotic stages. These results along with those from our previous studies, support the concept that lysosomal alterations play an important pathogenic role in renal changes of choline-deficient weanling rats.
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