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  • Title: [35S-cysteine incorporation into protein synthesis of the liver and testes in subacute oral poisoning with zineb, maneb and mancozeb].
    Author: Ivanova-Chemishanska L, Izmirova N.
    Journal: Probl Khig; 1977; 3():19-24. PubMed ID: 614555.
    Abstract:
    35S-cysteine incorporation in the protein synthesis of liver and testes is studied in groups of 20 white rats each, following 14--day poisoning with dithiocarbamates, at doses 1/5 LD50, as follows: group one, cineb - o,180 g/kg, maneb - 0,140 g/kg, and mankozeb - 0,260 g/kg. Protein incorporation in liver and testes is studied after decapitation of the animals, within two hours of intraperitoneal 35S-cysteine injection at dose 15 micro C per rat. Liver and testes undergo appropriate treatment after the method of Munro et al./10/, as modified by Sheitanov /9/, and counting is done with VAZ--310. The results point to a varying degree of cysteine incorporation increase in the protein synthesis of liver and testes. It is attributed to a variety of dystrophic and necrobiotic changes in the tissues of either of the organs, taking place under the effect of dithiocarbamate preparations. An enhancement of regenerative processes in the above mentioned organs, associated with intensified protein synthesis, is by no means ruled out. Differences established in the intensity of amino acid incorporation correlate with the degree of protein synthesis disorders, mostly in terms of the effect of maneb preparations.
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