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  • Title: Kinetic complexity of nuclear poly(A)-containing RNA in normal and regenerating rat liver.
    Author: Krieg L, Alonso A, Volm M.
    Journal: Eur J Biochem; 1979 May 02; 96(1):77-85. PubMed ID: 88367.
    Abstract:
    Poly(A)-containing RNA isolated from liver nuclei of untreated rats and 3 h or 12 h after partial hepatectomy or sham operation was hybridized to the complementary DNAs (cDNAs). In the homologous reactions two major components could be seen. When compared to normal liver, the complexity of the least abundant class was lower in nuclei from livers 3 h after partial hepatectomy and was higher in those isolated 12 h after operation. The heterologous reactions revealed an increase of some abundant poly(A)-containing sequences and a loss or dilution of rare sequences 3 h after operation. The latter effect was not specific to the regeneration process but occurred after laparotomy as well. 12 h after partial hepatectomy, however, about 10% new poly(A)-containing sequences were detected, corresponding to about 5000 molecules of 4500 nucleotides length, which are unique to regenerating nuclei.
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