H1 variant synthesis in proliferating and quiescent human cells.

M. D'Incalci, P. Allavena, R. S. Wu, W. M. Bonner

Research output: Contribution to journalArticle

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Abstract

The synthesis of histone H1 isoprotein species in human cells of several different types and in several different physiological states was studied. Up to five H1 and two H1 degrees isoprotein species could be resolved by two-dimensional electrophoresis. All five H1 isoprotein species were synthesized in exponentially growing cultures of IMR-90 human fibroblasts; in quiescent IMR-90 cells the synthesis of three H1 isoprotein species was greatly decreased while the synthesis of two others was much less affected. When DNA synthesis in exponentially growing cultures of IMR-90 was inhibited, the pattern of H1 isoprotein synthesis became similar to that found in quiescent cultures. Other human cells, isolated from blood, yielded similar results. These results suggest that the pattern of H1 synthesis is the same for cells in non-S phases of the cell cycle and in quiescent cells. Thus for histone H1 in human cells the relationship of the variant synthesis pattern to the growth state and DNA replication is similar to that of the core histone H3 but not that of H2A.

Original languageEnglish
Pages (from-to)273-279
Number of pages7
JournalEuropean Journal of Biochemistry
Volume154
Issue number2
Publication statusPublished - Jan 15 1986

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Cells
Histones
Cell culture
DNA Replication
Electrophoresis
Blood Cells
Cell Cycle
DNA
Fibroblasts
Blood
Growth

ASJC Scopus subject areas

  • Biochemistry

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H1 variant synthesis in proliferating and quiescent human cells. / D'Incalci, M.; Allavena, P.; Wu, R. S.; Bonner, W. M.

In: European Journal of Biochemistry, Vol. 154, No. 2, 15.01.1986, p. 273-279.

Research output: Contribution to journalArticle

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