Abstract
Mitochondrial dysfunction is a major mechanism whereby drugs can induce liver injury and other serious side effects, such as lactic acidosis and rhabdomyolysis, in some patients. Several in vitro and in vivo investigations can be performed in order to determine if drugs can disturb mitochondrial fatty acid oxidation (FAO) and the oxidative phosphorylation (OXPHOS) process, deplete hepatic mitochondrial DNA (mtDNA), or trigger the opening of the mitochondrial permeability transition pore (MPT). Among these investigations, mitochondrial respiration is a relatively easy test to measure the potential toxicity of a drug. The use of cells instead of isolated mitochondria allows one to test the toxic effect of a parent compound and its metabolites. The use of rat hepatocytes can detect drugs involved in drug-induced liver injuries (DILI). The method consists in measuring oxygen consumption by using a Clark electrode in a chamber containing a suspension of hepatocytes pre-incubated with drug.
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Acknowledgments
The authors would like to thank Delphine Hoët for her expertise and her support in hepatocyte culture.
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Marchandeau, JP., Labbe, G. (2011). Evaluation of Mitochondrial Respiration in Cultured Rat Hepatocytes. In: Gautier, JC. (eds) Drug Safety Evaluation. Methods in Molecular Biology, vol 691. Humana Press. https://doi.org/10.1007/978-1-60761-849-2_14
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DOI: https://doi.org/10.1007/978-1-60761-849-2_14
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