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Coenzyme A:

LC-MS Analysis of Human Platelets as a Platform for Studying Mitochondrial Metabolism

1Center for Cancer Pharmacology, University of Pennsylvania, 2Center for Excellence in Environmental Toxicology, University of Pennsylvania, 3Penn SRP and Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, 4Division of Traumatology, Department of Surgery, Critical Care and Acute Care Surgery, University of Pennsylvania, 5A.J. Drexel Autism Institute, Drexel University

JoVE 53941


 Environment

Hyperpolarized 13C Metabolic Magnetic Resonance Spectroscopy and Imaging

1Department of Nuclear Medicine, Klinikum rechts der Isar, Technische Universität München, 2Department of Chemistry, Technische Universität München, 3GE Global Research, 4Zentralinstitut für Medizintechnik der Technischen Universität München (IMETUM), Technische Universität München, 5Institute for Biological and Medical Imaging (IBMI), Helmholtz Zentrum München, 6IDG Institute of Developmental Genetics, Helmholtz Zentrum München

JoVE 54751


 Cancer Research

Lignin Down-regulation of Zea mays via dsRNAi and Klason Lignin Analysis

1The School of Plant Sciences, University of Arizona, 2Department of Chemical Engineering and Materials Science, DOE Great Lakes Bioenergy Research Center, Michigan State University, 3The Institute for Sustainable and Renewable Resources, The Institute for Advanced Learning and Research, 4Department of Plant, Soil and Microbial Sciences, Michigan State University

JoVE 51340


 Bioengineering

Techniques for the Evolution of Robust Pentose-fermenting Yeast for Bioconversion of Lignocellulose to Ethanol

1Bioenergy Research Unit, National Center for Agricultural Utilization Research, 2Mycotoxin Prevention and Applied Microbiology Research Unit, National Center for Agricultural Utilization Research, 3Chemical Engineering and Material Science, Great Lakes Bioenergy Center, Michigan State University

JoVE 54227


 Bioengineering

An Optimized Protocol to Analyze Glycolysis and Mitochondrial Respiration in Lymphocytes

1Laboratory of Mitochondrial Biology and Metabolism, National Heart, Lung, and Blood Institute, National Institutes of Health, 2Laboratory of Immunogenetics, National Institute of Allergy and Infectious Diseases, National Institutes of Health, 3Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health

JoVE 54918


 Immunology and Infection

A Comparative Study of Drug Delivery Methods Targeted to the Mouse Inner Ear: Bullostomy Versus Transtympanic Injection

1Instituto de Investigaciones Biomédicas (IIBm) Alberto Sols CSIC-UAM, 2Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III (ISCIII), 3Instituto de Investigación Sanitaria La Paz (IdiPAZ), 4Facultad de Veterinaria, Universidad Complutense de Madrid, 5Departmento de Otorrino laringología, Hospital Universitario La Paz

JoVE 54951


 Biology

Microarray-based Identification of Individual HERV Loci Expression: Application to Biomarker Discovery in Prostate Cancer

1Joint Unit Hospices de Lyon-bioMérieux, 2Medical Diagnostic Discovery Department, BioMérieux, 3Department of Pathology and Cytology, Centre Hospitalier Lyon Sud, Hospices Civils de Lyon, 4Medical Faculty, Lyon 1 University, 5Data and Knowledge Laboratory, BioMérieux, 6Department of Biochemistry and Molecular Biology, Centre Hospitalier Lyon Sud, Hospices Civils de Lyon, 7Department of Urology, Centre Hospitalier Lyon Sud, Hospices Civils de Lyon

JoVE 50713


 Medicine

Methods to Study Lipid Alterations in Neutrophils and the Subsequent Formation of Neutrophil Extracellular Traps

1Department of Physiological Chemistry, University of Veterinary Medicine Hannover, 2Fish Disease Research Unit, University of Veterinary Medicine, 3Department of Clinical Sciences, Biomedical Center, Lund University, 4Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover

JoVE 54667


 Immunology and Infection

An Introduction to Cell Metabolism

JoVE 5652

In cells, critical molecules are either built by joining together individual units like amino acids or nucleotides, or broken down into smaller components. Respectively, the reactions responsible for this are referred to as anabolic and catabolic. These reactions require or produce energy typically in the form of a “high-energy” molecule called ATP. Together, these processes make up “Cell Metabolism,” and are hallmarks of healthy, living cells.JoVE’s introduction to cell metabolism briefly reviews the rich history of this field, ranging from early studies on photosynthesis to more recent discoveries pertaining to energy production in all cells. This is followed by a discussion of some key questions asked by scientists studying metabolism, and common methods that they apply to answer these questions. Finally, we’ll explore how current researchers are studying alterations in metabolism that accompany metabolic disorders, or that occur following exposure to environmental stressors.


 Essentials of Cell Biology

The ATP Bioluminescence Assay

JoVE 5653

In fireflies, the luciferase enzyme converts a compound called luciferin into oxyluciferin, and produces light or “luminescence” as a result. This reaction requires energy derived from ATP in order to proceed, so researchers have exploited the luciferase-luciferin interaction to gauge ATP levels in cells. Given ATP’s role as the cell’s currency of energy, the ATP bioluminescence assay can provide insight into cellular metabolism and overall cell health.In this video, JoVE discusses cellular respiration, specifically reviewing how glucose metabolism results in ATP production. This is followed by principles behind the ATP bioluminescence assay and a generalized protocol for this technique. Finally, a survey of how researchers are currently using the ATP bioluminescence assay to evaluate cell viability in a variety of experimental conditions.


 Essentials of Cell Biology

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Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene

1ARC Centre of Excellence in Advanced Molecular Imaging, School of Physics, University of Melbourne, 2Australian Research Council (ARC) Centre of Excellence in Advanced Molecular Imaging, Department of Chemistry and Physics, La Trobe Institute for Molecular Sciences, La Trobe University, 3Department of Physics, Imperial College London, 4Florey Institute of Neuroscience and Mental Health, 5Science and Engineering Faculty, Queensland University of Technology, 6Swinburne University of Technology, 7Department of Engineering Science, University of Oxford, 8Brookhaven National Laboratory, 9Linac Coherent Light Source, SLAC National Accelerator Laboratory, 10BioXFEL Science and Technology Center, 11Laboratory of Molecular Biophysics, Department of Cell and Molecular Biology, Uppsala University, 12Australian Synchrotron

JoVE 56296


 Chemistry

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Induction of Paralysis and Visual System Injury in Mice by T Cells Specific for Neuromyelitis Optica Autoantigen Aquaporin-4

1Department of Neurology, University of California, 2Program in Immunology, University of California, 3Department of Neurology and Neurological Sciences, Stanford University, 4Department of Pathology, Stanford University

JoVE 56185


 Immunology and Infection

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Bottlenose Dolphin (Tursiops truncatus) Spermatozoa: Collection, Cryopreservation, and Heterologous In Vitro Fertilization

1Department of Animal Reproduction, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), 2Department of Animal Medicine and Surgery, School of Veterinary Medicine, Universidad Complutense de Madrid, 3Department of Physiology, Faculty of Veterinary Science, University of Murcia, Campus Mare Nostrum, 4Mundomar, Benidorm, 5Veterinary Services, L'Oceanográfic, Ciudad de las Artes y las Ciencias, Junta de Murs i Vals, s/n, 46013

JoVE 55237


 Developmental Biology

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Fat Body Organ Culture System in Aedes Aegypti, a Vector of Zika Virus

1Department of Biology, New Mexico State University, 2Department of Molecular Genetics and Microbiology, Duke University, 3Department of Computer Sciences, New Mexico State University, 4Department of Epidemiology of Microbial Diseases, Yale School of Public Health, 5Institute of Applied Biosciences, New Mexico State University

JoVE 55508


 Biology

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