Evaluation of membrane fluidity effects and enzyme activities alterations in adriamycin neurotoxicity.
@article{Deliconstantinos1987EvaluationOM, title={Evaluation of membrane fluidity effects and enzyme activities alterations in adriamycin neurotoxicity.}, author={G. Deliconstantinos and L. Kopeikina-Tsiboukidou and V. Villiotou}, journal={Biochemical pharmacology}, year={1987}, volume={36 7}, pages={ 1153-61 } }
Adriamycin (ADR) increased the lipid fluidity of dog brain synaptosomal plasma membranes (SPM) labeled with 1,6-diphenyl-1,3,5-hexatriene (DPH), as indicated by the steady-state fluorescence anisotropy [(ro/r)-1]-1. Arrhenius-type plots of [(ro/r)-1]-1 indicated that the lipid phase separation of the membrane at 23.3 +/- 1.2 degrees was perturbed by ADR such that the temperature was reduced to 16.2 +/- 1.1 degrees. Arrhenius plots of (Na+ + K+)-stimulated ATPase activity exhibited a break point… CONTINUE READING
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