Cell cycle perturbating agents in a line of human thyroid transformed cells in culture (HuT)
β Scribed by Aldo Mancini; Maria Rosaria Faraone-Mennella; Piera Quesada; Maria Malanga; Benedetta Farinai
- Book ID
- 104672703
- Publisher
- Springer
- Year
- 1991
- Tongue
- English
- Weight
- 617 KB
- Volume
- 103
- Category
- Article
- ISSN
- 0300-8177
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β¦ Synopsis
Culture and differentiation parameters of a human thyroid transformed cell line (HuT) were analyzed. Treatment with high concentrations of chemical agents namely dimethyl sulphoxide and retinoic acid, exerted a dramatic cytotoxic effect. The exposure of these cells to the lowest doses of retinoic acid as well as to 8 mM-16 mM 3-aminobenzamide a potent inhibitor of poly(ADPribose)polymerase, resulted in a delay of cell proliferation. Poly(ADPribose)polymerase activity was differently affected by retinoic acid (stimulation) and 3-aminobenzamide (inhibition).
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Cells of the human erythroleukemic line K562 can be manipulated by culture conditions to arrest within the GI phase of the cell cycle and subsequently to enter S phase synchronously after release from G1. Cell cultures subjected to serum deprivation and hydroxyurea (HU) treatment demonstrated less t
## Abstract Longβterm exposure to hypertonic (HT) culture media has been found to perturb the cell cycle and change gene expression in various animal cell types. A lower growth rate, with exit of cells from the cycling compartment has been observed previously in human transformed EUE. cells. The ai