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[Structure and properties of the cell nucleus chromatin in the brain of rats exposed to gamma-radiation].

作者信息

Chaialo P P, Protas A F

出版信息

Ukr Biokhim Zh (1978). 1992 May-Jun;64(3):34-8.

PMID:1440963
Abstract

Exposure of rats to radiation in a dose of 1 Gy changes sensitivity of chromatin in the cerebral cortex cells to the action of DNAase 1, which promotes an increase of the DNA hydrolysis level and content of dissolved chromatin fractions. A day after irradiation the chromatin structure restores only partially and then (7-30 days after irradiation) it passes into a new, less compact state. The irradiation changes the chromatin ability to aggregation in the presence of Mg2+ and spermidine.

摘要

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