Abstract
Mitochondrial respiration is an essential component of cellular metabolism. It is a process of energy conversion through enzymatically mediated reactions, the energy of taken-up substrates transformed to the ATP production. Seahorse equipment allows to measure oxygen consumption in living cells and estimate key parameters of mitochondrial respiration in real-time mode. Four key mitochondrial respiration parameters could be measured: basal respiration, ATP-production coupled respiration, maximal respiration, and proton leak. This approach demands the application of mitochondrial inhibitors—oligomycin to inhibit ATP synthase, FCCP—to uncouple the inner mitochondrial membrane and allow maximum electron flux through the electron transport chain, rotenone, and antimycin A to inhibit complexes I and III, respectively. This chapter describes two protocols of seahorse measurements performed on iPSC-derived cardiomyocytes and TAZ knock-out C2C12 cell line.
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Abbreviations
- iPSC-CM:
-
iPSC-derived cardiomyocytes
- KO:
-
Knock-out cells
- OCR:
-
Oxygen consumption rate
- WT:
-
Wild type
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This work was supported by Russian Scientific Foundation grant number 20-15-00271.
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Smolina, N., Khudiakov, A., Kostareva, A. (2023). Assaying Mitochondrial Respiration as an Indicator of Cellular Metabolism and Fitness. In: Friedrich, O., Gilbert, D.F. (eds) Cell Viability Assays. Methods in Molecular Biology, vol 2644. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-3052-5_1
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DOI: https://doi.org/10.1007/978-1-0716-3052-5_1
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