JoVE General
Atmospheric-pressure Molecular Imaging of Biological Tissues and Biofilms by LAESI Mass Spectrometry
Department of Chemistry, George Washington University
Laser ablation electrospray ionization (LAESI) is an atmospheric-pressure ion source for mass spectrometry. In the imaging mode, a mid-infrared laser probes the distributions of molecules across a tissue section or a biofilm. This technique presents a new approach for diverse bioanalytical studies carried out under native experimental conditions.
JoVE Clinical and Translational Medicine
Methods for ECG Evaluation of Indicators of Cardiac Risk, and Susceptibility to Aconitine-induced Arrhythmias in Rats Following Status Epilepticus
Department of Pharmacology and Toxicology, University of Utah
Techniques for measurement of electrical activity of the heart by electrocardiogram (ECG), and analysis of cardiac risk factors and susceptibility to arrhythmias following status epilepticus (SE) in the rat are described.
JoVE Immunology and Infection
Combination of Adhesive-tape-based Sampling and Fluorescence in situ Hybridization for Rapid Detection of Salmonella on Fresh Produce
1Center for Meat Safety and Quality, Department of Animal Sciences, Colorado State University, 2Rapid Microbial Detection and Control Laboratory, Department of Food Science and Human Nutrition, Iowa State University
This protocol describes a simple adhesive-tape-based approach for sampling of tomato and other fresh produce surfaces, followed by rapid whole cell detection of Salmonella using fluorescence in situ hybridization (FISH).
JoVE General
Direct Analysis of Single Cells by Mass Spectrometry at Atmospheric Pressure
Department of Chemistry, George Washington University
Single cell analysis is performed by mass spectrometry on plant and animal cells at atmospheric pressure by using a sharpened optical fiber to sample the cells for laser ablation electrospray ionization (LAESI) mass spectrometry.
JoVE Chemistry
Free Radicals in Chemical Biology: from Chemical Behavior to Biomarker Development
ISOF - Bio Free Radicals, Consiglio Nazionale delle Ricerche
Radical-based biomimetic chemistry has been applied to building-up libraries necessary for biomarker development.
JoVE Neuroscience
Hippocampal Insulin Microinjection and In vivo Microdialysis During Spatial Memory Testing
Behavioral Neuroscience, University at Albany
Modulation of hippocampally-dependent spatial working memory by direct intrahippocampal microinjection, accompanied and followed by in vivo microdialysis for metabolites in conscious, behaving animals.
JoVE Bioengineering
Characterizing Bacterial Volatiles using Secondary Electrospray Ionization Mass Spectrometry (SESI-MS)
School of Engineering, University of Vermont
Secondary electrospray ionization mass spectrometry (SESI-MS) enables the detection of volatile organic compounds (VOCs) without the need for any sample pretreatment. This protocol provides instructions for the rapid (within minutes) characterization of bacterial VOCs using SESI-MS.
JoVE General
Hi-C: A Method to Study the Three-dimensional Architecture of Genomes.
1Program in Gene Function and Expression, Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, 2Broad Institute of Harvard and Massachusetts Institute of Technology, 3Division of Health Sciences and Technology, Massachusetts Institute of Technology, 4Program for Evolutionary Dynamics, Department of Organismic and Evolutionary Biology, Department of Mathematics, Harvard University, 5Department of Applied Mathematics, Harvard University, 6Department of Physics, Massachusetts Institute of Technology, 7Department of Systems Biology, Harvard Medical School, 8Department of Biology, Massachusetts Institute of Technology
The Hi-C method allows unbiased, genome-wide identification of chromatin interactions (1). Hi-C couples proximity ligation and massively parallel sequencing. The resulting data can be used to study genomic architecture at multiple scales: initial results identified features such as chromosome territories, segregation of open and closed chromatin, and chromatin structure at the megabase scale.
JoVE Chemistry
Untargeted Metabolomics from Biological Sources Using Ultraperformance Liquid Chromatography-High Resolution Mass Spectrometry (UPLC-HRMS)
Untargeted metabolomics provides a hypothesis generating snapshot of a metabolic profile. This protocol will demonstrate the extraction and analysis of metabolites from cells, serum, or tissue. A range of metabolites are surveyed using liquid-liquid phase extraction, microflow ultraperformance liquid chromatography/high-resolution mass spectrometry (UPLC-HRMS) coupled to differential analysis software.
JoVE Clinical and Translational Medicine
Direct Pressure Monitoring Accurately Predicts Pulmonary Vein Occlusion During Cryoballoon Ablation
1Department of Cardiac Electrophysiology, Piedmont Heart Institute, 2Cardiac Rhythm, Medtronic Inc.
Effective pulmonary vein isolation utilizing a cryoballoon depends on complete pulmonary vein occlusion. The point of occlusion can be effectively predicted by direct analysis of pulmonary vein pressure waveform analysis during balloon inflation using a simple and reproducible technique.
JoVE Clinical and Translational Medicine
Sampling Human Indigenous Saliva Peptidome Using a Lollipop-Like Ultrafiltration Probe: Simplify and Enhance Peptide Detection for Clinical Mass Spectrometry
1Sanford-Burnham Medical Research Institute, 2Division of Dermatology, University of California, San Diego, 3VA San Diego Healthcare Center, 4Moores Cancer Center, University of California, San Diego
Considering saliva sampling for future clinical application, a lollipop-like ultrafiltration (LLUF) probe was fabricated to fit in the human oral cavity. Direct analysis of undigested saliva by NanoLC-LTQ mass spectrometry demonstrated the ability of LLUF probes to remove large proteins and high abundance proteins, and make low-abundant peptides more detectable.
JoVE Clinical and Translational Medicine
A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
1Orvis School of Nursing, University of Nevada, Reno, 2The State University of New York at Buffalo, St. Joseph's Medical Center, 3Strong Memorial Hospital, University of Rochester Medical Center
Continuous 12-lead electrocardiographic (ECG) monitoring can identify transient myocardial ischemia, even when asymptomatic, among patients with suspected acute coronary syndrome (ACS). In this article we describe our method for initiating patient monitoring using a Holter device, downloading the ECG data for off-line analysis, and how to utilize the ECG software to identify transient ischemia.
JoVE Immunology and Infection
A Parasite Rescue and Transformation Assay for Antileishmanial Screening Against Intracellular Leishmania donovani Amastigotes in THP1 Human Acute Monocytic Leukemia Cell Line
1National Center for Natural Products Research, School of Pharmacy, University of Mississippi, 2Department of Pharmacology, University of Mississippi
A parasite-rescue and transformation assay with THP1 cells infected in vitro with Leishmania donovani has been optimized for anti-leishmanial drug screening. The assay involves differentiation of THP1 cells, infection with promastigotes, treatment with test drugs, controlled lysis of the infected macrophages, rescue of amastigotes, transformation to promastigotes and monitoring promastigote growth and proliferation with a fluorometric assay.
JoVE General
Genotyping of Plant and Animal Samples without Prior DNA Purification
Thermo Scientific Molecular Biology Products, Thermo Fisher Scientific
The Direct PCR approach presented here facilitates PCR amplification directly from small amounts of unpurified plant and animal tissue.
JoVE General
Biochemical Reconstitution of Steroid Receptor•Hsp90 Protein Complexes and Reactivation of Ligand Binding
1College of Nursing, Interdisciplinary Life Sciences Research Laboratory, Seattle University, 2College of Science and Engineering, Interdisciplinary Life Sciences Research Laboratory, Seattle University, 3School of Medicine, University of Washington
An in vitro method for preparing functional glucocorticoid receptor (GR)•hsp90 protein complexes from purified proteins and cellular lysates is described. The method utilizes immunoadsorption of recombinant GR followed by salt-stripping and protein complex reconstitution. The importance of cofactors and buffer conditions are discussed, as are potential method applications.
JoVE General
Direct Imaging of ER Calcium with Targeted-Esterase Induced Dye Loading (TED)
1Institute for Clinical Neurobiology, University of Wuerzburg, 2Department of Synapses - Circuits - Plasticity, Max Planck Institute of Neurobiology, Martinsried, 3Walter Brendel Centre of Experimental Medicine, Ludwig-Maximilians University of Munich
Targeted-esterase induced dye loading (TED) supports the analysis of intracellular calcium store dynamics by fluorescence imaging. The method bases on targeting of a recombinant Carboxylesterase to the endoplasmic reticulum (ER), where it improves the local unmasking of synthetic low-affinity Ca2+ indicator dyes in the ER lumen.
JoVE Neuroscience
A Galvanotaxis Assay for Analysis of Neural Precursor Cell Migration Kinetics in an Externally Applied Direct Current Electric Field
1Institute for Biomaterials and Biomedical Engineering, University of Toronto, 2Lyndhurst Centre, Toronto Rehabilitation Institute, 3Department of Surgery, University of Toronto
In this protocol we demonstrate how to construct custom chambers that permit the application of a direct current electric field to enable time-lapse imaging of adult brain derived neural precursor cell translocation during galvanotaxis.
JoVE Clinical and Translational Medicine
Movement Retraining using Real-time Feedback of Performance
Department of Physical Therapy, University of British Columbia
Retraining abnormal movement patterns following injury or disease is a key component of physical rehabilitation. Recent advances in technology have permitted accurate assessment of movement during a variety of tasks, with near instantaneous quantification of results. This provides new opportunities for modification of faulty movement patterns in real time.
JoVE Immunology and Infection
Granulocyte-dependent Autoantibody-induced Skin Blistering
1Department of Dermatology, University of Freiburg, 2Kepler High School Freiburg, 3Centre for Biological Signalling Studies (BIOSS), University of Freiburg
In the animal model described in our present work, purified IgG antibodies against a stretch of 200 amino acids (aa 757-967) of collagen VII are injected repeatedly into mice reproducing the blistering phenotype as well as the histo- and immunopathological features characteristic to human epidermolysis bullosa acquisita (EBA)1.
JoVE Immunology and Infection
Isolation of Brain and Spinal Cord Mononuclear Cells Using Percoll Gradients
The current article describes a rapid protocol to efficiently isolate mononuclear cells from brain and spinal cord tissues that can be effectively utilized for flow cytometric analyses.
JoVE General
The ITS2 Database
1Department of Bioinformatics, Biocenter, University of Würzburg, 2Institute of Pharmacy and Food Chemistry, University of Würzburg
The ITS2 Database is a workbench for phylogenetic inference simultaneously considering sequence and secondary structure of the internal transcribed spacer 2. This includes data collection with accurate annotation, structure prediction, multiple sequence-structure alignment and fast tree calculation. In a nutshell, this workbench simplifies first phylogenetic analyses to a few clicks.
JoVE Bioengineering
Directed Cellular Self-Assembly to Fabricate Cell-Derived Tissue Rings for Biomechanical Analysis and Tissue Engineering
Biomedical Engineering Department, Worcester Polytechnic Institute
This article outlines a versatile method to create cell-derived tissue rings by cellular self-assembly. Smooth muscle cells seeded into ring-shaped agarose wells aggregate and contract to form robust three-dimensional (3D) tissues within 7 days. Millimeter-scale tissue rings are conducive to mechanical testing and serve as building blocks for tissue assembly.
JoVE Application Notes
BIOCIUS - RapidFire System - ADVERTISEMENT
RapidFire® technology enables label-free screening for lead discovery and in vitro ADME applications. The technology incorporates high-throughput solid phase extraction coupled to mass spectrometric analysis with analysis times of 6-8 seconds per sample. The system enables the direct measurement of historically difficult analytes without labels or surrogates. RapidFire technology is used by 13 of the top 15 pharmaceutical companies to accelerate their drug discovery efforts.
JoVE General
Blood Collection from the American Horseshoe Crab, Limulus Polyphemus
1Department of Molecular and Cell Biology, University of California, Davis, 2Marine Biological Laboratory - MBL- woods hole, 3Department of Biological Sciences, Hunter College of CUNY
The American horseshoe crab, Limulus polyphemus, is arguably the most convenient source for large quantities of blood of any invertebrate. The blood is simple in composition, with only one cell-type in the general circulation, the granular amebocyte, and only three abundant proteins in the plasma, hemocyanin, the C-reactive proteins, and α2-macroglobulin. Blood is collected from the heart and the blood cells and plasma are separated by centrifugation.
JoVE General
Visualizing RNA Localization in Xenopus Oocytes
Department of Molecular Biology, Cell Biology, and Biochemistry, Brown University
Visualization of in vivo RNA transport is accomplished by microinjection of fluorescently labeled RNA transcripts into Xenopus oocytes, followed by confocal microscopy.
JoVE Neuroscience
Correlating Behavioral Responses to fMRI Signals from Human Prefrontal Cortex: Examining Cognitive Processes Using Task Analysis
1Department of Psychology, Centre for Vision Research, York University, 2Department of Biology, Centre for Vision Research, York University
The goal of our research is to correlate behavior to brain activity. Accurate behavioral measures and imaging techniques allow us to elucidate brain-behavior relationships.
JoVE Clinical and Translational Medicine
Models of Bone Metastasis
1Department of Pharmacology, Vanderbilt University, 2Vanderbilt Center for Bone Biology, Vanderbilt University, 3Department of Veterans Affairs, Tennessee Valley Healthcare System (VISN 9), 4Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University, 5Department of Cancer Biology, Vanderbilt University
Animal models are frequently utilized to study cancer metastasis to bone. In this protocol we will describe two common methods of tumor inoculation for bone metastasis studies and briefly describe some of the analyses utilized to monitor and quantify these models.
JoVE General
DNA Microarrays: Sample Quality Control, Array Hybridization and Scanning
Department of Pharmacology, University of California, Davis
We demonstrate the use of DNA microarrays for expression profiling of the nervous system. We describe RNA quality control, sample labeling, and array hybridization and scanning.
JoVE General
Electricity-Free, Sequential Nucleic Acid and Protein Isolation
1CUBRC, Inc., 2Department of Microbiology and Immunology, State University of New York at Buffalo, School of Medicine and Biomedical Sciences
A tool and chemistries are described to sequentially isolate nucleic acids followed by proteins from a sample without the need for electricity. The tool consists of a sorbent held within a transfer pipette while the isolation chemistries are based on solid-phase extraction principles. The isolated macromolecules can be analyzed by immuno-based and PCR-based assays.
JoVE Immunology and Infection
Right Ventricular Systolic Pressure Measurements in Combination with Harvest of Lung and Immune Tissue Samples in Mice
1Department of Environmental Medicine, New York University School of Medicine, Tuxedo, 2Division of Allergy, Pulmonary, & Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, 3Division of Pulmonary Medicine, New York University School of Medicine
A specific and rapid protocol to simultaneously investigate right heart function, lung inflammation, and the immune response is described as a learning tool. Video and figures describe physiology and microdissection techniques in an organized team-approach that is adaptable to be used for small to large sized studies.
JoVE Bioengineering
Bacterial Detection & Identification Using Electrochemical Sensors
1Research Service, Veterans Affairs Greater Los Angeles Healthcare System, 2Department of Urology, The David Geffen School of Medicine, University of California, Los Angeles, 3GeneFluidics, 4Division of Infectious Diseases, Veterans Affairs Greater Los Angeles Healthcare System, 5Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles
We describe an electrochemical sensor assay method for rapid bacterial detection and identification. The assay involves a sensor array functionalized with DNA oligonucleotide capture probes for ribosomal RNA (rRNA) species-specific sequences. Sandwich hybridization of target rRNA with the capture probe and a horseradish peroxidase-linked DNA oligonucleotide detector probe produces a measurable amperometric current.
JoVE Immunology and Infection
Rearing and Injection of Manduca sexta Larvae to Assess Bacterial Virulence
Department of Bacteriology, University of Wisconsin-Madison
The method described here utilizes direct injection of entomopathogenic bacteria into the hemocoel of Manduca sexta insect larvae. M. sexta is a commercially available and well-studied insect. Thus, this method represents a simple approach to analyzing host-bacterial interactions from the perspective of one or both partners.
JoVE Immunology and Infection
Flow Cytometric Isolation of Primary Murine Type II Alveolar Epithelial Cells for Functional and Molecular Studies
1Research Group Immune Regulation, Helmholtz Centre for Infection Research, 2Research Group Infection Immunology, Institute of Medical Microbiology, Otto-von-Guericke University, 3Department of Experimental Immunology, Helmholtz Centre for Infection Research
We describe the rapid isolation of primary murine type II alveolar epithelial cells (AECII) by flow cytometric negative selection. These AECII show high viability and purity and are suitable for a wide range of functional and molecular studies regarding their role in respiratory conditions such as autoimmune or infectious diseases.
JoVE Applied Physics
Characterization of Surface Modifications by White Light Interferometry: Applications in Ion Sputtering, Laser Ablation, and Tribology Experiments
1Materials Science Division, Argonne National Laboratory, 2Energy Systems Division, Argonne National Laboratory, 3MassThink LLC
White light microscope interferometry is an optical, noncontact and quick method for measuring the topography of surfaces. It is shown how the method can be applied toward mechanical wear analysis, where wear scars on tribological test samples are analyzed; and in materials science to determine ion beam sputtering or laser ablation volumes and depths.
JoVE General
Application of Stopped-flow Kinetics Methods to Investigate the Mechanism of Action of a DNA Repair Protein
Molecular Biology and Biochemistry Department, Wesleyan University
Msh2-Msh6 is responsible for initiating repair of replication errors in DNA. Here we present a transient kinetics approach towards understanding how this critical protein works. The report illustrates stopped-flow experiments for measuring the coupled DNA binding and ATPase kinetics underlying Msh2-Msh6 mechanism of action in DNA repair.
JoVE General
Respirometric Oxidative Phosphorylation Assessment in Saponin-permeabilized Cardiac Fibers
1Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Calgary, 2Faculty of Kinesiology, University of Calgary
Saponin-permeabilized fiber preparation in conjunction with respirometric oxidative phosphorylation analysis provides integrative assessment of mitochondrial function. Mitochondrial respiration in physiological and pathological states can reflect various regulatory influences including mitochondrial interactions, morphology and biochemistry.
JoVE General
DNA Extraction from 0.22 μM Sterivex Filters and Cesium Chloride Density Gradient Centrifugation
Department of Microbiology and Immunology, University of British Columbia - UBC
We describe a method for extraction of high molecular weight genomic DNA from planktonic biomass concentrated on 0.22 μm Sterivex filters, followed by cesium chloride density gradient centrifugation for purification.
JoVE General
GC-based Detection of Aldononitrile Acetate Derivatized Glucosamine and Muramic Acid for Microbial Residue Determination in Soil
1DOE-Great Lakes Bioenergy Research Center, University of Wisconsin, Madison, 2Department of Soil Science, University of Wisconsin, Madison, 3Department of Soil and Water Science, University of Florida
We describe a method protocol for the GC-based analysis of the aldonitrile acetate derivatives of glucosamine and muramic acid extracted from soil. For elucidation of the chemical mechanism, we also present a strategy to confirm the structure of the derivative and the ion fragments formed upon electron ionization.
JoVE General
Identifying Targets of Human microRNAs with the LightSwitch Luciferase Assay System using 3'UTR-reporter Constructs and a microRNA Mimic in Adherent Cells
MicroRNAs (miRNAs) are important regulators of gene expression and have been shown to play a role in numerous biological processes. To better understand miRNA-UTR interactions, we have created a genome-wide collection of 3 UTR luciferase reporters paired with a novel luciferase gene and assay reagent, the LightSwitch system.
JoVE Clinical and Translational Medicine
Probe-based Confocal Laser Endomicroscopy of the Urinary Tract: The Technique
1Department of Urology, Stanford University School of Medicine, 2Veterans Affairs Palo Alto Health Care System
Probe-based confocal laser endomicroscopy enables real-time microscopy of the human urinary tract during cystoscopy, providing dynamic, intravital imaging of pathological states such as bladder cancer with cellular resolution. Endomicroscopy may augment the diagnostic accuracy of standard white light endoscopy and provide intraoperative image guidance to improve surgical resection.
JoVE General
Combined Immunofluorescence and DNA FISH on 3D-preserved Interphase Nuclei to Study Changes in 3D Nuclear Organization
1Department of Pathology, New York University School of Medicine, 2New York University Center for Health Informatics and Bioinformatics, 3NYU Cancer Institute, 4Department of Pathology and Yale Cancer Center, Yale University School of Medicine
Here we describe a protocol for simultaneous detection of histone modifications by immunofluorescence and DNA sequences by DNA FISH followed by 3D microscopy and analyses (3D immuno-DNA FISH).
JoVE Clinical and Translational Medicine
Live Imaging of Drug Responses in the Tumor Microenvironment in Mouse Models of Breast Cancer
1Watson School of Biological Sciences, 2Cold Spring Harbor Laboratory, 3Departments of Medical Genetics, University of Oslo and Oslo University Hospital
We describe a method for imaging response to anti-cancer treatment in vivo and at single cell resolution.
JoVE Bioengineering
Quantitative FRET (Förster Resonance Energy Transfer) Analysis for SENP1 Protease Kinetics Determination
Department of Bioengineering, Bourns College of Engineering, University of California, Riverside
A novel method involving quantitative analysis of FRET (Förster Resonance Energy Transfer) signals is described for studying enzyme kinetics. KM and kcat were obtained for the hydrolysis of the catalytic domain of SENP1 (SUMO/Sentrin specific protease 1) to pre-SUMO1 (Small Ubiquitin-like MOdifier). The general principles of this quantitative-FRET-based protease kinetic study can be applied to other proteases.
JoVE Neuroscience
Multimodal Imaging of Stem Cell Implantation in the Central Nervous System of Mice
1Laboratory of Experimental Hematology, University of Antwerp, 2Bio Imaging Lab, University of Antwerp
This article describes an optimized sequence of events for multimodal imaging of cellular grafts in rodent brain using: (i) in vivo bioluminescence and magnetic resonance imaging, and (ii) post mortem histological analysis. Combining these imaging modalities on a single animal allows cellular graft evaluation with high resolution, sensitivity and specificity.
JoVE Bioengineering
A Simple Hanging Drop Cell Culture Protocol for Generation of 3D Spheroids
Department of Surgery, UMDNJ-Robert Wood Johnson Medical School
We describe a simple, rapid method of generating 3D tissue-like spheroids and their potential application to quantify differences in cell-cell interactions.
JoVE General
Extraction of High Molecular Weight DNA from Microbial Mats
We provide an improved protocol for extracting high molecular weight DNA from hypersaline microbial mats. Microbial cells are separated from the mat matrix prior to DNA extraction and purification. This enhances the concentrations, quality, and size of the DNA. The protocol may be used for other refractory samples.
JoVE Clinical and Translational Medicine
Eye Tracking Young Children with Autism
1School of Behavioral and Brain Sciences, University of Texas at Dallas, 2Carolina Institute for Developmental Disabilities, School of Medicine, University of North Carolina at Chapel Hill
Eye tracking has long been used to study gaze patterns in typically-developing individuals, but recent technological advancements have made its use with clinical populations, including autism, more feasible. While eye-tracking young children with autism can offer insight into early symptom manifestations, it involves methodological challenges. Suggestions for best practices are provided.
JoVE Neuroscience
A Novel Approach for Documenting Phosphenes Induced by Transcranial Magnetic Stimulation
1Department of Anatomy and Neurobiology, Boston University School of Medicine, 2Department of Neurology, Beth Israel Deaconess Med Center, 3Centre de Recherche de l'institut du Cerveau et la Moelle Epinière (CRICM), Centre National de la Recherche Scientifique (CNRS)
Phosphenes are transient percepts of light that can be induced by applying Transcranial Magnetic Stimulation (TMS) to visually sensitive regions of cortex. We demonstrate a standard protocol for determining the phosphene threshold value and introduce a novel method for quantifying and analyzing perceived phosphenes.
JoVE Neuroscience
Assessment of Social Interaction Behaviors
1Samuel Lunenfeld Research Institute, Mount Sinai Hospital, 2Toronto Centre for Phenogenomics, Mount Sinai Hospital, 3Department of Medical Biophysics, University of Toronto, 4Department of Psychology, University of Toronto, 5Department of Psychiatry, University of Toronto
Here we describe a detailed protocol for examination of sociability in mice by using Crawley's sociability and preference for social novelty test. We describe the advantages and possible applications for this procedure, including critical details important for correct interpretation of the results.
JoVE General
Isolation and Differentiation of Stromal Vascular Cells to Beige/Brite Cells
1UCSF Diabetes Center and Department of Cell and Tissue Biology, University of California, San Francisco, 2Department of Biology, University of Copenhagen, Denmark, 3National Institute of Nutrition and Seafood Research, Bergen, Norway
Primary white preadipocytes isolated from white adipose tissues in mice can be differentiated into beige/brite cells. Presented here is a reliable cellular model system to study the molecular regulation of "browning" of white fat.
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