Edit Publication: Divakaruni 2014 Curr Protoc Toxicol

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Abstract:	Measurements of mitochondrial respiration in intact cells can help define metabolism and its dysregulation in fields such as cancer, metabolic disease, immunology, and neurodegeneration. Although cells can be offered various substrates in the assay medium, many cell types can oxidize stored pools of energy substrates. A general bioenergetic profile can therefore be obtained using intact cells, but the inability to control substrate provision to the mitochondria can restrict an in-depth, mechanistic understanding. Mitochondria can be isolated from intact cells, but the yield and quality of the end product is often poor and prone to subselection during isolation. Plasma membrane permeabilization of cells provides a solution to this challenge, allowing experimental control of the medium surrounding the mitochondria. This unit describes techniques to measure respiration in permeabilized adherent cells using a Seahorse XF Analyzer or permeabilized suspended cells in a Hansatech Oxygraph.
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MiPareas:	Gender Respiration Instruments;methods mt-Biogenesis;mt-density mt-Structure;fission;fusion mt-Membrane mtDNA;mt-genetics nDNA;cell genetics Genetic knockout;overexpression Comparative MiP;environmental MiP Developmental biology Exercise physiology;nutrition;life style mt-Medicine Patients Pharmacology;toxicology mt-Awareness
Pathological states:	COPD Aging;senescence Alzheimer's Autism Cancer Cardiovascular Diabetes Inherited Infectious Myopathy Neurodegenerative Obesity Parkinson's Sepsis Other
Stress conditions:	Hypoxia Cell death Cryopreservation Ischemia-reperfusion Permeability transition Oxidative stress;RONS Temperature Mitochondrial disease
Organism:	Pig Human Mouse Rat Guinea pig Bovines Horse Dog Rabbit Cat Other mammals Chicken Zebrafish Drosophila Artemia Caenorhabditis elegans Saccharomyces cerevisiae Birds Reptiles Amphibians Fishes Chelicerates Crustaceans Hexapods Myriapods Annelids Molluscs Nematodes Other invertebrates Fungi Plants Protists Eubacteria Archea Algae
Tissues;cells:	Fat Heart Skeletal muscle Nervous system Liver Kidney Lung;gill Islet cell;pancreas;thymus Endothelial;epithelial;mesothelial cell Blood cells Genital Other cell lines CHO HEK HeLa Neuroblastoma Fibroblast HUVEC Macrophage-derived Lymphocyte Platelet Stem cells
Preparations:	SMP Intact organism Intact organ Permeabilized cells Permeabilized tissue Homogenate Isolated mitochondria Chloroplasts Enzyme Oxidase;biochemical oxidation Intact cells
Enzyme:	Complex I Adenine nucleotide translocase Complex II;succinate dehydrogenase Complex III Complex IV;cytochrome c oxidase Complex V;ATP synthase Inner mt-membrane transporter Marker enzyme Supercomplex TCA cycle and matrix dehydrogenases Uncoupling protein
Regulation; kinetics:	pH Aerobic glycolysis ADP ATP ATP production AMP Calcium Coupling efficiency;uncoupling Cyt c Flux control Inhibitor Ion;substrate transport mt-Membrane potential Oxygen kinetics PCr;Cr Phosphate Redox state Substrate Temperature Threshold;excess capacity Uncoupler Fatty acid Amino acid Q-junction effect
Coupling:	ET LEAK ROUTINE OXPHOS
Pathways:	F N S Gp DQ CIV NS Other combinations ROX
High-resolution respirometry:	pH Oxygraph-2k TIP2k O2k-Fluorometer NO TPP Ca O2k-Spectrophotometer O2k-Manual O2k-Protocol Theory NextGen-O2k
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