[Localization of antigens in the chromatin of normal rat liver cells, not detectable in hepatoma chromatin]
[Article in
Russian]
- PMID: 6331856
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[Localization of antigens in the chromatin of normal rat liver cells, not detectable in hepatoma chromatin]
[Article in
Russian]
Biokhimiia.
1984 Jun.
Abstract
Antibodies against rat liver chromatin interact with homologous chromatin as well as with chromatin of Zajdela ascite hepatoma and solid hepatoma 27, but not with the nuclear matrix isolated from these hepatomas. Rat liver chromatin regions hypersensitive to DNAase I and endogenous Mg2+-dependent nuclease are enriched with immunogenic nonhistone proteins. Using antiliver IgG pretreated with chromatin of Zajdela ascite hepatoma and solid hepatoma 27, it was shown that liver chromatin antigens that are not detectable in hepatoma cells are localized in hypersensitive to nucleases chromatin regions buy not in actively transcribed ones.
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