The DOI matches its Crossref record; 85 of the 85 references it cites were found in a registry or an index.
Comprehensive measurement of respiratory activity in permeabilized cells using extracellular flux analysis
Open accessAbstract
Extracellular flux (XF) analysis has become a mainstream method for measuring mitochondrial function in cells and tissues. Although this technique is commonly used to measure bioenergetics in intact cells, we outline here a detailed XF protocol for measuring respiration in permeabilized cells. Cells are permeabilized using saponin (SAP), digitonin (DIG) or recombinant perfringolysin O (rPFO) (XF-plasma membrane permeabilizer (PMP) reagent), and they are provided with specific substrates to measure complex I– or complex II–mediated respiratory activity, complex III+IV respiratory activity or complex IV activity. Medium- and long-chain acylcarnitines or glutamine may also be provided for measuring fatty acid (FA) oxidation or glutamine oxidation, respectively. This protocol uses a minimal number of cells compared with other protocols and does not require isolation of mitochondria. The results are highly reproducible, and mitochondria remain well coupled. Collectively, this protocol provides comprehensive and detailed information regarding mitochondrial activity and efficiency, and, after preparative steps, it takes 6–8 h to complete.
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Metadata
- Authors
- Salabei, J. K., Gibb, A. A., & Hill, B. G.
- Venue
- Nature Protocols
- Published
- 2014-01-23
- Volume
- 9
- Issue
- 2
- Pages
- 421-438
- ISSN
- 1750-2799 (ISSN-L)
- 1754-2189
- OpenAlex
- W2090038499
- Cited by
- 324
- References
- 85
- FWCI
- 6.94
- Type
- journal article
- Language
- en
- Open access
- green
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