Applications in Cell Physiology
App Notes & Tech Briefs
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Functional validation of Genomic and Proteomic data
A platform to validate proteins and pathways that alter mitochondrial function
Comparative genomic and proteomic analyses have identified approximately half of the estimated 1500 mitochondrial proteins encoded by the human nuclear genome. In recently published studies, XF assays have extended these estimates via the identification of functional roles of some of the nuclear and mtDNA-encoded proteins, and in one case, clarifying assumptions about their activity that had been based on sequence homology data...
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Measuring mitochondrial respiration in intact skeletal muscle fibers
Assessment of mitochondrial function in skeletal muscle is a powerful tool for modeling neuromuscular conditions including muscular dystrophy, aging and cachexia. Similarly, skeletal muscle plays an important role in normal and pathological metabolism, such as obesity and diabetes. The majority of investigations use measurements of single mitochondrial enzymes as a surrogate to measuring mitochondrial function which does not provide a complete physiological readout of the mitochondria...
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Assessing mitochondrial dysfunction in primary cardiomyocytes
Mitochondrial reserve capacity is a sensitive measure of cellular stress
This Application Note describes a method for profiling mitochondrial function in cells responding to stress. The mitochondrial profile generated in this way provides four parameters of mitochondrial function that can be measured in one experiment...
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Defining metabolic phenotypes in cancer cells
Kinetic assay reveals the dynamic interplay of oxidative phosphorylation and glycolytic pathways
Malignant transformation of cells is often characterized by aerobic glycolysis, the conversion of glucose into lactate, despite the presence of oxygen. This metabolic shift, known as the Warburg effect, [1] can occur as a result of the activation or mutation of oncogenes or tumor suppressor genes, or as an adaptive response to hypoxia...
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Measuring glycolysis and oxidative metabolism in cancer cells
Real-time assay enables scientists to connect metabolic pathways with oncogenic phenotypes
Measuring the metabolic pathways in cancer cells, and their co-dependent or compensatory interplay, is important for understanding transformation mechanisms, mechanisms of malignant growth, cancer cell drug resistance, and for discovering potential drugs that are relatively specific for cancer cells...
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Analyzing microgram quantities of isolated mitochondria in the XF24 Analyzer
Enhanced appreciation of the role of altered mitochondrial function in tumorigenesis, aging, neurodegenerative, metabolic, and cardiovascular diseases has stimulated the development of a variety of new approaches for assessing mitochondrial function and dysfunction. As the field moves towards the discovery of mitochondrial-related, molecular mechanisms that underlie disease, and drugs to prevent or reverse disease development, the demand for higher throughput and more sensitive assay methods increases...
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Publications
Fission and selective fusion govern mitochondrial segregation and elimination by autophagy
EMBO J; 2008 Jan 23. 27 (2):433-446.
Experimental assessment of bioenergetic differences caused by the common European mitochondrial DNA haplogroups H and T
Gene; 2008 Mar 31. 411 (40545):69-76.
Negative feedback maintenance of heme homeostasis by its receptor, Rev-erbα
Genes Dev; 2009 Sep 15. 23 (18):2201-2209.
MicroRNA-210 controls mitochondrial metabolism during hypoxia by repressing the iron-sulfur cluster assembly proteins ISCU1/2
Cell Metab; 2009 Oct 1. 10 (4):273-284.
Interdependence of AMPK and SIRT1 for metabolic adaptation to fasting and exercise in skeletal muscle
Cell Metab; 2010 Mar 3. 11 (3):213-219.
Characterization of the murine SIRT3 mitochondrial localization sequence and comparison of mitochondrial enrichment and deacetylase activity of long and short SIRT3 isoforms
J Cell Biochem; 2010 May 1. 110 (1):238-247.
Use of cells expressing gamma subunit variants to identify diverse mechanisms of AMPK activation
Cell Metab; 2010 Jun 9. 11 (6):554-565.
Forward operation of adenine nucleotide translocase during F0F1-ATPase reversal: critical role of matrix substrate-level phosphorylation
FASEB J; 2010 Jul 1. 24 (7):2405-2416.
Fibroblast growth factor 21 regulates energy metabolism by activating the AMPK-SIRT1-PGC-1α pathway
Proc Natl Acad Sci U S A; 2010 Jul 13. 107 (28):12553-12558.
Wnt signaling regulates mitochondrial physiology and insulin sensitivity
Genes Dev; 2010 Jul 15. 24 (14):1507-1518.
Essential regulation of cell bioenergetics by constitutive InsP3 receptor Ca2+ transfer to mitochondria
Cell; 2010 Jul 23. 142 (2):270-283.
Bioenergetic characterization of mouse podocytes
Am J Physiol Cell Physiol; 2010 Aug 1. 299 (2):C464-476.
Pyruvate suppresses PGC1α expression and substrate utilization despite increased respiratory chain content in C2C12 myotubes
Am J Physiol Cell Physiol; 2010 Aug 1. 299 (2):C240-250.
Alterations in bioenergetics due to changes in mitochondrial DNA copy number
Methods; 2010 Aug 1. 51 (4):452-457.
MICU1 encodes a mitochondrial EF hand protein required for Ca(2+) uptake
Nature; 2010 Sep 16. 467 (7313):291-296.
SIRT4 regulates fatty acid oxidation and mitochondrial gene expression in liver and muscle cells
J Biol Chem; 2010 Oct 15. 285 (42):31995-32002.
Fast kinase domain-containing protein 3 is a mitochondrial protein essential for cellular respiration
Biochem Biophys Res Commun; 2010 Oct 22. 401 (3):440-446.
Mitochondrial matrix pH controls oxidative phosphorylation and metabolism-secretion coupling in INS-1E clonal beta cells
FASEB J; 2010 Nov 1. 24 (11):4613-4626.
Loss of manganese superoxide dismutase leads to abnormal growth and signal transduction in mouse embryonic fibroblasts
Free Radic Biol Med; 2010 Nov 1. 49 (8):1255-1262.
The Lkb1 metabolic sensor maintains haematopoietic stem cell survival
Nature; 2010 Dec 2. 468 (7324):659-663.
Cytoprotective effect of gamma-tocopherol against tumor necrosis factor alpha induced cell dysfunction in L929 cells
Int J Mol Med; 2011 Jan 1. 28 (5):711-720.
ChChd3, an Inner Mitochondrial Membrane Protein, Is Essential for Maintaining Crista Integrity and Mitochondrial Function
J Biol Chem; 2011 Jan 28. 286 (4):2918-2932.
A reduction in ATP demand and mitochondrial activity with neural differentiation of human embryonic stem cells
J Cell Sci; 2011 Feb 1. 124 (Pt 3):348-358.
Exercise and PGC-1alpha-independent synchronization of type I muscle metabolism and vasculature by ERRgamma
Cell Metab; 2011 Mar 2. 13 (3):283-293.
Glutamate Transport Decreases Mitochondrial pH and Modulates Oxidative Metabolism in Astrocytes
J Neurosci; 2011 Mar 9. 31 (10):3550-3559.
Assessing mitochondrial dysfunction in cells
Biochem J; 2011 Mar 29. 435 (1):297-312.
PARP-1 Inhibition Increases Mitochondrial Metabolism through SIRT1 Activation
Cell Metab; 2011 Apr 6. 13 (4):461-468.
TEFM (c17orf42) is necessary for transcription of human mtDNA
Nucleic Acids Res; 2011 May 1. 39 (10):4284-4299.
Mitochondrial Matrix Calcium Is an Activating Signal for Hormone Secretion
Cell Metab; 2011 May 4. 13 (5):601-611.
Mitochondrial c-Jun N-terminal Kinase (JNK) Signaling Initiates Physiological Changes Resulting in Amplification of Reactive Oxygen Species Generation
J Biol Chem; 2011 May 6. 286 (18):16052-16062.
Negative Regulation of STAT3 Protein-mediated Cellular Respiration by SIRT1 Protein
J Biol Chem; 2011 Jun 3. 286 (22):19270-19279.
Glutathionylation acts as a control switch for uncoupling proteins UCP2 and UCP3
J Biol Chem; 2011 Jun 17. 286 (24):21865-21875.
Integrative genomics identifies MCU as an essential component of the mitochondrial calcium uniporter
Nature; 2011 Jun 19. 476 (7360):341-345.
Hexokinase II acts through UCP3 to suppress mitochondrial reactive oxygen species production and maintain aerobic respiration
Biochem J; 2011 Jul 15. 437 (2):301-311.
The Rate of Oxygen Utilization by Cells
Free Radical Biology and Medicine; 2011 Aug 1. 51 (3):700-712.
PDE12 removes mitochondrial RNA poly(A) tails and controls translation in human mitochondria
Nucleic Acids Res; 2011 Sep 1. 39 (17):7750-7763.
Identification and characterization of a functional mitochondrial angiotensin system
Proc Natl Acad Sci U S A; 2011 Sep 6. 108 (36):14849-14854.
Uncoupling proteins and the control of mitochondrial reactive oxygen species production
Free Radic Biol Med; 2011 Sep 15. 51 (6):1106-1115.
Apoptosis induced by persistent single-strand breaks in the mitochondrial genome: Critical role of EXOG (5' EXO/Endonuclease) in their repair
J Biol Chem; 2011 Sep 16. 286 (37):31975-31983.
NF-kappaB controls energy homeostasis and metabolic adaptation by upregulating mitochondrial respiration
Nat Cell Biol; 2011 Oct 1. 13 (10):1272-1279.
The PGC-1{alpha}-related coactivator promotes mitochondrial and myogenic adaptations in C2C12 myotubes
Am J Physiol Regul Integr Comp Physiol; 2011 Oct 1. 301 (4):R864-872.
The Transcriptional Coactivators, PGC-1? and ?, Cooperate to Maintain Cardiac Mitochondrial Function During the Early Stages of Insulin Resistance
J Mol Cell Cardiol. 2011 Oct 20; [Epub ahead of print].
Assessing bioenergetic function in response to oxidative stress by metabolic profiling
Free Radic Biol Med; 2011 Nov 1. 51 (9):1621-1635.
NCoR1 Is a Conserved Physiological Modulator of Muscle Mass and Oxidative Function
Cell; 2011 Nov 11. 147 (4):827-839.
A critical role of mitochondrial phosphatase ptpmt1 in embryogenesis reveals a mitochondrial metabolic stress-induced differentiation checkpoint in embryonic stem cells
Mol Cell Biol; 2011 Dec 1. 31 (24):4902-4916.
Poly(ADP-ribose) polymerase-2 depletion reduces doxorubicin-induced damage through SIRT1 induction
Cardiovasc Res; 2011 Dec 1. 92 (3):430-438.
Perilipin 5, a lipid droplet-associated protein, provides physical and metabolic linkage to mitochondria
J Lipid Res; 2011 Dec 1. 52 (12):2159-2168.
The nuclear receptor PPARbeta/delta programs muscle glucose metabolism in cooperation with AMPK and MEF2
Genes Dev; 2011 Dec 15. 25 (24):2619-30.
The role of nuclear lamin B1 in cell proliferation and senescence
Genes Dev; 2011 Dec 15. 25 (24):2579-2593.
Silencing of nicotinamide nucleotide transhydrogenase impairs cellular redox homeostasis and energy metabolism in PC12 cells
Biochim Biophys Acta; 2011 Dec 16. 1817 (3):401-409.
C7orf30 is necessary for biogenesis of the large subunit of the mitochondrial ribosome
Nucleic Acids Res. 2012 Jan 11; [Epub ahead of print].
Integrin-Dependent Akt1 Activation Regulates PGC-1 Expression and Fatty Acid Oxidation
J Vasc Res. 2012 Jan 13; [Epub ahead of print].
Hemin causes mitochondrial dysfunction in endothelial cells through promoting lipid peroxidation: The protective role of autophagy
Am J Physiol Heart Circ Physiol. 2012 Jan 13; [Epub ahead of print].
Role of mitofusin 2 in the renal stress response
PLoS One; 2012 Jan 26. 7 (1):e31074.
SirT1 catalytic activity is required for male fertility and metabolic homeostasis in mice
FASEB J; 2012 Feb 1. 26 (2):555-66.
Altered mitochondrial function and metabolic inflexibility associated with loss of caveolin-1
Cell Metab; 2012 Feb 8. 15 (2):171-185.
Cellular bioenergetics is regulated by PARP1 under resting conditions and during oxidative stress
Biochem Pharmacol; 2012 Mar 1. 83 (5):633-643.
Technical Posters
MTCH2/MIMP: A novel regulator of liver apoptosis and metabolism
Cold Spring Harbor Laboratory Cell Death
October 11-15, 2011
Cold Spring Harbor, NYQuantitative Proteomics and Functional Consequences of Mitochondrial Protein Carbonylation
Keystone Symposia on Type 2 Diabetes, Insulin Resistance and Metabolic Dysfunction
January 13-15, 2011
Keystone, COAssessing Mitochondrial and Cellular Bioenergetics in Human Pluripotent Stem Cells
Targeting Mitochondria 2010
November 18-19, 2010
Berlin, DECellular Bioenergetics in Chicken Embryo Fibroblast (Cef) and Immortal CEF (DF-1) Cells
Society for Free Radical Biology's 17th Annual Meeting
November 17-20, 2010
Orlando, FLReduction of mitochondrial reserve capacity in endothelial cells by nitric oxide and superoxide – detection and quantitation of peroxynitrite formed from co-generated NO and O2
Society for Free Radical Biology's 17th Annual Meeting
November 17-20, 2010
Orlando, FL, USAbrupt Alcohol Withdrawal Suppresses Mitochondrial Repiration in an Estrogen Preventable Manner
Neuroscience 2010
November 13-17, 2010
San Diego, CAThe Homeobox Protein Prox1 is a Negative Modulator of ERRα/PGC-1α Bioenergetic Functions
Nuclear Receptors: Development, Physiology and Disease
March 21-26, 2010
Keystone, CO
Webinars

Adaptation of Microplate-based Respirometry for Hippocampal Brain Slices
Brian Polster, PhD, University of Maryland Medical School
May 12, 2011
Multidimensional control of mitochondrial energy production: learning from physiology and pathology
Rodrigue Rossignol, PhD, Université de Bordeaux
April 27, 2011
Profiling Mitochondrial Function has never been so Easy: A Tutorial on the New XF Mito Stress Test Kit
David Ferrick, PhD, CSO, Seahorse Bioscience
September 1, 2010
Mitochondrial Profiling in Cells Under Physiological Conditions and In Response to Stress
Victor Darley-Usmar, PhD, University of Alabama at Birmingham
August 4, 2010
Turbocharging your Mitochondrial Analysis: A Tutorial that Goes Beyond the Obvious
Min Wu, PhD, Assay Development, Seahorse Bioscience
David Ferrick, PhD, CSO, Seahorse Bioscience
February 24, 2010
Importance of the Mitochondrial Reserve Capacity in Cardiovascular Cells Exposed to Oxidative Stress.
Brad Hill, PhD, Center for Diabetes and Obesity Research, University of Louisville
January 20, 2010
Spare Respiratory Capacity and the Bioenergetics of the Nerve Terminal
David Nicholls, PhD, FRSE, Buck Institute for Age Research & Lund University
December 3, 2009
Fluorescent Reporters of Mitochondrial Function in the Life and Death of Cells
John J. LeMasters, MD, PhD, Medical University of South Carolina
February 18, 2009
The Rate and Coupling Efficiency of Oxidative Phosphorylation in Mitochondria and Cells
Martin Brand, PhD, Buck Institute, MRC Dunn Human Nutrition Unit
December 8, 2008
The Response of the Mitochondrion to Oxidative Stress in Cardiovascular Cells
Victor Darley-Usmar, PhD, University of Alabama at Birmingham
November 11, 2008
With mitochondria being central to cell metabolism, mitochondrial function is a significant factor in a human health and diseases, therefore understanding the impact that mitochondrial function has on cell physiology is of great importance.
The XF Analyzer generates data that can provide new understanding in relation to Cell Physiology and mitochondrial dysfunction, by allowing the measurement of cellular metabolism in real-time, in a microplate. By measuring the oxygen consumption rate (OCR)—a measure of mitochondrial respiration; as well as the extracellular acidification rate (ECAR)—a measure of glycolysis, you will be provided with the most physiologically relevant in vitro measurement for your bioenergetic studies.
- Aging
- Cancer
- Cardiovascular
- Cell Physiology
- Immunology
- Mitochondrial Diseases
- Model Organisms
- Neurodegeneration
- Obesity, Diabetes, & Metabolic Disorders
- Screening
- Stem Cell Biology
- Toxicology & Hepatobiology
- Translational Medicine
Webinar On-Demand
Mitochondrial Respiratory Capacity Is a Critical Regulator of CD8+ T Cell Memory Development

Erika Pearce, PhD,
Washington University School of Medicine
St. Louis, MO
February 14, 2012
Upcoming Conferences
& Symposia
The Biophysical Society 56th Annual Meeting
February 25th to February 29th, 2012
San Diego, CA
43rd Annual American Society for Neurochemistry Meeting (ASN)
March 3rd to March 7th, 2012
Baltimore, MD
Society of Toxicology Annual Meeting & ToxExpo 2012
March 11th to March 15th, 2012
San Francisco, CA
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