PMID: 18710025Aug 20, 2008Paper

Histone specific proteinase and DNase activity of spleen lymphocyte nuclei during oncogenesis and under the effect of hydrobromide-5-(5',6' benzocoumaroyl-3')-methylaminouracil

Ukrainskiĭ biokhimicheskiĭ zhurnal
H P Kopyl'chukH V Iakovyshyn

Abstract

The features of histone proteolysis, their carbonylation level and endonucleolysis intensity were studied in the spleen lymphocytes of rats with transplanted Guerin's carcinoma and under the conditions of hydrobromide-5-(5',6' benzocoumaroyl-3')-methylaminouracil (BCU) action. The intensification of oxidizing histone destruction and histone-specific protease activity during oncogenesis and under conditions of BCU action was shown. DNase I and DNase II enzymatic activities of spleen lymphocytes of rats with tumour were decreased on different stages of tumour development, however, they were increased under conditions of chemical compound administration.

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