Sodium arsenite proved effective in preventing the induction of ornithine decarboxylase (ODC) activity elicited by dilution of Friend erythroleukemia cells in fresh medium. A 50 per cent inhibition was produced at approximately 1 p~ arsenite and complete inhibition was obtained at concentrations abo
Effect of ATP depletion and phenanthroline on the spermidine-mediated decay of ornithine decarboxylase in erythroleukemia cells
β Scribed by Flavio Flamigni; Sandra Marmiroli; Carlo Guarnieri; Claudio M. Caldarera
- Book ID
- 115762932
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 432 KB
- Volume
- 172
- Category
- Article
- ISSN
- 0006-291X
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The effect of 835 MHz microwaves on the activity of ornithine decarboxylase (ODC) in L929 murine cells was investigated at an SAR of Γ2.5 W/kg. The results depended upon the type of modulation employed. AM frequencies of 16 Hz and 60 Hz produced a transient increase in ODC activity that reached a pe
## Abstract HTC cells incubated in the absence of serum for more than 14 hours have very low levels of ornithine decarboxylase, the first enzyme on the pathway of polyamine synthesis. Readdition of serum causes an increase in the activity of ODC, reaching a maximum on average 17 times above the bas
## Abstract Ornithine decarboxylase activity in high density, stationary phase rat hepatoma (HTC) cells in suspension culture has an extremely short halfβlife of between 5 and 15 minutes, as measured after inhibiting protein synthesis. Following dilution of these cells into fresh medium there is a