Effects of diamines on ornithine decarboxylase activity in control and virally transformed mouse fibroblasts.

D. R. Bethell, A. E. Pegg

Research output: Contribution to journalArticle

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Abstract

1. The induction of ornithine decarboxylase activity in mouse 3T3 fibroblasts or an SV-40 transformed 3T3 cell line by serum was prevented by addition of the naturally occurring polyamines putrescine (butane-1,4-diamine) and spermidine. Much higher concentrations of these amines were required to fully suppress ornithine decarboxylase activity in the transformed SV-3T3 cells than in the 3T3 fibroblasts. 2. Synthetic alpha omega-diamines with 3--12 carbon atoms also prevented the increase in ornithine decarboxylase activity induced by serum in these cells. The longer chain diamines were somewhat more potent than propane-1,3-diamine in this effect, but the synthetic diamines were less active than putrescine in the 3T3 cells. There was little difference between the responses of 3T3 and SV-3T3 cells to the synthetic diamines propane-1,3-diamine and heptane-1,7-diamine. 3. These results are discussed in relation to the control of polyamine synthesis in mammalian cells.

Original languageEnglish (US)
Pages (from-to)87-94
Number of pages8
JournalThe Biochemical journal
Volume180
Issue number1
DOIs
StatePublished - Apr 15 1979

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Ornithine Decarboxylase
Diamines
Fibroblasts
3T3 Cells
Propane
Putrescine
Polyamines
Cells
Heptanes
Transformed Cell Line
Spermidine
Serum
Amines
Carbon
Atoms

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

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Effects of diamines on ornithine decarboxylase activity in control and virally transformed mouse fibroblasts. / Bethell, D. R.; Pegg, A. E.

In: The Biochemical journal, Vol. 180, No. 1, 15.04.1979, p. 87-94.

Research output: Contribution to journalArticle

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