Studies of poly(A+)-RNA in mouse hepatoma and cortisone-stimulated rat liver

The content of poly(A)-containing RNA in subcellar fractions has been investigated both in cortisone-treated rat liver and experimental hepatoma cells. The fractions included nuclei, cytoplasm, mitochondria, free and membrane-bound polyribosomes. 1) In both cases of genome activation (cortisone indu...

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Published in:Molecular and cellular biochemistry 1977-11, Vol.18 (1), p.29-32
Main Authors: Konstantinova, I M, Kulichkova, V A, Vorob'ev, V I, Ratovitski, E A, Shaposhnikov, J D
Format: Article
Language:English
Subjects:
Animals
Carcinoma, Hepatocellular - metabolism
Cortisone - pharmacology
Liver - metabolism
Liver Neoplasms
Mice
Neoplasms, Experimental - metabolism
Poly A - metabolism
Rats
RNA, Messenger - metabolism
RNA, Neoplasm - metabolism
Stimulation, Chemical
Subcellular Fractions - metabolism
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creator Konstantinova, I M
Kulichkova, V A
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description The content of poly(A)-containing RNA in subcellar fractions has been investigated both in cortisone-treated rat liver and experimental hepatoma cells. The fractions included nuclei, cytoplasm, mitochondria, free and membrane-bound polyribosomes. 1) In both cases of genome activation (cortisone induction and hepatoma cells) an increase in poly(A) content of all subcellular fractions except free polyribosomes was observed. 2) Cortisone was found to induce elongation of poly(A) segments detected in both nuclei and cytoplasm. 3) An increase in the poly(A) block size also was found to be stimulated in nuclei and cytoplasm of hepatoma cells. 4) The observed elongation in poly(A) length occurred against the background of an increase of the population of of poly(A)-RNA's.
doi_str_mv 10.1007/BF00215276
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subjects Animals
Carcinoma, Hepatocellular - metabolism
Cortisone - pharmacology
Liver - metabolism
Liver Neoplasms
Mice
Neoplasms, Experimental - metabolism
Poly A - metabolism
Rats
RNA, Messenger - metabolism
RNA, Neoplasm - metabolism
Stimulation, Chemical
Subcellular Fractions - metabolism
title Studies of poly(A+)-RNA in mouse hepatoma and cortisone-stimulated rat liver
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