The effect of hormonal imprinting on 3H-steroid incorporation of Tetrahymena pyriformis

Steroid hormones are incorporated by Tetrahymena, and appear intracellularly in both cytoplasmic and intranuclear localizations. At primary interaction with the steroid, incorporation was the greatest at 10 min, whereas at the second interaction it tended to increase with time. The Tetrahymena cells...

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Bibliographic Details
Published in:	Acta morphologica Hungarica Vol. 36; no. 1-2; p. 27
Main Authors:	Fülöp, A K, Csaba, G
Format:	Journal Article
Language:	English
Published:	Hungary 1988
Subjects:	Animals Autoradiography Dehydroepiandrosterone - metabolism Dehydroepiandrosterone - pharmacology Dexamethasone - metabolism Dexamethasone - pharmacology Estradiol - metabolism Estradiol - pharmacology Humans Kinetics Microscopy, Electron Tetrahymena pyriformis - drug effects Tetrahymena pyriformis - metabolism Tetrahymena pyriformis - ultrastructure Triamcinolone Acetonide - metabolism Triamcinolone Acetonide - pharmacology Tritium
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Summary:	Steroid hormones are incorporated by Tetrahymena, and appear intracellularly in both cytoplasmic and intranuclear localizations. At primary interaction with the steroid, incorporation was the greatest at 10 min, whereas at the second interaction it tended to increase with time. The Tetrahymena cells preexposed to a steroid incorporated a greater amount of it at the second exposure, owing presumably to the induction of steroid receptors at the first interaction.
ISSN:	0236-5391