期刊
BIO-PROTOCOL
卷 11, 期 7, 页码 -出版社
BIO-PROTOCOL
DOI: 10.21769/BioProtoc.3980
关键词
Human peripheral blood mononuclear cells (PBMCs); Mitochondria; XF Analyzer; XF Cell Mito Stress Test; Oxygen consumption rate; Mitochondrial respiration; Ex vivo
类别
资金
- Baden-Wurttemberg Ministry of Science, Research and Art via the Cooperative Graduate School InViTe
This protocol describes a method to measure key parameters of mitochondrial function in freshly isolated PBMCs using the XF Analyzer technology. By attaching PBMCs to microplates pre-coated with Poly-D-Lysine and injecting stress reagents during OCR and ECAR measurements, various mitochondrial parameters can be calculated. This approach allows the analysis of different influences on human cells, such as pharmaceuticals or environmental factors.
Cellular health and function, as we know today, depend on a large extent on mitochondrial function. The essential function of mitochondria is the energy production, more precisely ATP production, via oxidative phosphorylation. Mitochondrial energy production parameters therefore represent important biomarkers. Studies on human cells have mainly been performed on in vitro cell cultures. However, peripheral blood mononuclear cells (PBMCs) are particularly suitable for such examinations. That's why this protocol describes a method to measure key parameters of mitochondrial function in freshly isolated PBMCs with the latest technology, the XF Analyzer. For this ex vivo approach PBMCs are first isolated out of human anticoagulated blood. Next, they are attached to the surface of special microplates pre-coated with Poly-D-Lysine. During the subsequent measurement of oxygen consumption rate (OCR) as well as extracellular acidification rate (ECAR) the stress reagents oligomycin, carbonyl cyanide 4-(trifluoromethoxy) phenylhydrazone (FCCP), rotenone and antimycin A are injected. Several mitochondrial parameters can be calculated from the results obtained. The application of this protocol allows the analysis of various influences, such as pharmaceuticals or environmental factors, on human cells.
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