期刊
BIOMEDICINES
卷 10, 期 5, 页码 -出版社
MDPI
DOI: 10.3390/biomedicines10050980
关键词
microarray; superoxide; antipsychotic; mitochondria
资金
- Ministry of Economy and Competitiveness [DIN2019-010902]
- Basque Government Department of Economic Development, Sustainability and Environment (Bikaintek program) [48-AF-W2-2019-00007]
Drug side effects are a major reason for treatment withdrawal in clinical trials. This study evaluated the formation of reactive oxygen species (ROS) in cell membranes of various drugs and compounds with different properties. The findings suggest that some drugs directly affect mitochondrial complex I and that ROS formation may anticipate adverse effects.
Drug side effects are one of the main reasons for treatment withdrawal during clinical trials. Reactive oxygen species formation is involved in many of the drug side effects, mainly by interacting with the components of the cellular respiration. Thus, the early detection of these effects in the drug discovery process is a key aspect for the optimization of pharmacological research. To this end, the superoxide formation of a series of drugs and compounds with antidepressant, antipsychotic, anticholinergic, narcotic, and analgesic properties was evaluated in isolated bovine heart membranes and on cell membrane microarrays from a collection of human tissues, together with specific inhibitors of the mitochondrial electron transport chain. Fluphenazine and PB28 promoted similar effects to those of rotenone, but with lower potency, indicating a direct action on mitochondrial complex I. Moreover, nefazodone, a drug withdrawn from the market due to its mitochondrial hepatotoxic effects, evoked the highest superoxide formation in human liver cell membranes, suggesting the potential of this technology to anticipate adverse effects in preclinical phases.
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