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Localization of metallothionein in nuclei of growing primary cultured adult rat hepatocytes

Authors
Journal
FEBS Letters
0014-5793
Publisher
Wiley Blackwell (John Wiley & Sons)
Publication Date
Volume
283
Issue
2
Identifiers
DOI: 10.1016/0014-5793(91)80597-v
Keywords
  • Metallothionein
  • Nucleus
  • Hepatocyte
  • Primary Culture
Disciplines
  • Biology

Abstract

Abstract In primary cultured adult rat hepatocytes stimulated by epidermal growth factor and insulin, dramatic changes in the subcellular distribution of metallothionein were clarified by indirect immunofluorescence using antisera specific for this protein. Metallothionein was detected only in the cytoplasm of cultured hepatocytes in the G0 and G1 phases, but was concentrated in the cell nuclei in the early S phase. The strongest staining pattern in the nuclei was observed 12 h after stimulation. Subsequently, the intensity of metallothionein staining in the nuclei decreased. These results suggests that primary cultured hepatocytes are suitable for examining the relation between subcellular localization of metallothionein and cell growth.

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