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Chromaffin Cells: Cells that store epinephrine secretory vesicles. During times of stress, the nervous system signals the vesicles to secrete their hormonal content. Their name derives from their ability to stain a brownish color with chromic salts. Characteristically, they are located in the adrenal medulla and paraganglia (Paraganglia, Chromaffin) of the sympathetic nervous system.

Mouse Adrenal Chromaffin Cell Isolation

1Department of Physiology and Biophysics, University of California, Irvine (UCI), 2Department of Physiology and Biophysics, University of Southern California, Keck School of Medicine, 3Zilkha Neurogenetic Institute, University of Southern California, Keck School of Medicine, 4Department of Developmental and Cell Biology, University of California, Irvine (UCI)

JoVE 129


 Biology

Initial Evaluation of Antibody-conjugates Modified with Viral-derived Peptides for Increasing Cellular Accumulation and Improving Tumor Targeting

1Department of Nuclear Medicine and Radiobiology, Université de Sherbrooke, 2Sherbrooke Molecular Imaging Center (CIMS), Université de Sherbrooke, 3Sherbrooke Institute of Pharmacology

Video Coming Soon

JoVE 55440


 JoVE In-Press

Investigating Mast Cell Secretory Granules; from Biosynthesis to Exocytosis

1Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Tel Aviv University, 2Division of Allergy and Immunology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, 3Laboratory of Membrane Trafficking Mechanisms, Department of Developmental Biology and Neurosciences, Graduate School of Life Sciences, Tohoku University

JoVE 52505


 Immunology and Infection

Multi-Scale Modification of Metallic Implants With Pore Gradients, Polyelectrolytes and Their Indirect Monitoring In vivo

1Biomatériaux et Bioingénieriee, INSERM, 2Service Oto-Rhino-Laryngologie, Hôpitaux Universitaires de Strasbourg, 3Faculté de Chirurgie Dentaire, Université de Strasbourg

JoVE 50533


 Bioengineering

FM Dyes in Vesicle Recycling

JoVE 5648

FM dyes are a class of fluorescent molecules that has found important use in studying the vesicle recycling process. By virtue of a chemical structure, these molecules can insert themselves into the outer leaflet of phospholipid bilayer membranes. After membrane insertion, they are internalized into the cell via endocytosed vesicles, and released when these vesicles recycle back to the membrane. Since, these dyes fluoresce strongly in the hydrophobic environment within membranes and weakly in the extracellular compartment, FM fluorescence levels can be used to track vesicular activity throughout the recycling process.This video provides an introduction to the use of FM dyes in experiments aimed to examine vesicle recycling. We first review the biochemistry of FM dyes and how their properties permit their use in these experiments. We then go through a general protocol for using FM dyes in such studies, and finally, discuss some recent research that makes use of these unique molecules.


 Cell Biology

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Metabolic Support of Excised, Living Brain Tissues During Magnetic Resonance Microscopy Acquisition

1Department of Neuroscience, University of Florida, 2McKnight Brain Institute, University of Florida, 3Department of Biomedical Engineering, University of Florida, 4Center for Functionally Integrative Neuroscience, Aarhus University, 5Department of Radiology, University of Florida, 6National High Magnetic Field Laboratory, Florida State University

JoVE 56282


 Bioengineering

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Partial Optic Nerve Transection in Rats: A Model Established with a New Operative Approach to Assess Secondary Degeneration of Retinal Ganglion Cells

1Aier School of Ophthalmology, Central South University, Changsha, China, 2Institute of Immunology, Tsinghua University School of Medicine, Beijing, China, 3Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University; Beijing Ophthalmology & Visual Sciences Key Laboratory, Beijing, China, 4Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University; Beijing Ophthalmology & Visual Sciences Key Laboratory, Beijing, China

JoVE 56272


 Neuroscience

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Quantitative Whole-mount Immunofluorescence Analysis of Cardiac Progenitor Populations in Mouse Embryos

1Cell, Developmental, and Regenerative Biology Department, Icahn School of Medicine at Mount Sinai, 2Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, 3Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, 4Microscopy Core, Icahn School of Medicine at Mount Sinai, 5Department of Neuroscience, Icahn School of Medicine at Mount Sinai, 6Friedman Brain Institute, Icahn School of Medicine at Mount Sinai

JoVE 56446


 Developmental Biology

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Cell-free Biochemical Fluorometric Enzymatic Assay for High-throughput Measurement of Lipid Peroxidation in High Density Lipoprotein

1University of California, Los Angeles, 2Centre for Biomedical Research, Burnet Institute, 3School of Health and Biomedical Sciences, RMIT University, 4Department of Infectious Diseases, Monash University

JoVE 56325


 Immunology and Infection

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New Application of an Atmospheric Pressure Plasma Jet as a Neuro-protective Agent Against Glucose Deprivation-induced Injury of SH-SY5Y Cells

1Department of Pathophysiology, Beijing Neurosurgical Institute/Beijing Tiantan Hospital, Capital Medical University, 2School of Physics, Beijing Institute of Technology, 3Beijing Key Laboratory of Central Nervous System Injury, Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, 4Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease, Beijing Tiantan Hospital, Capital Medical University, 5China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University

JoVE 56323


 Engineering

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Empirical, Metagenomic, and Computational Techniques Illuminate the Mechanisms by which Fungicides Compromise Bee Health

1Vegetable Crop Research Unit, USDA-ARS, 2Department of Entomology, University of Wisconsin-Madison, 3Department of Horticulture, University of Wisconsin-Madison, 4Instituto Nacional de Investigaciones Forestales, Agricolas y Pecuarias, 5Department of Bacteriology, University of Wisconsin-Madison, 6Laboratory of Genetics, Genome Center of Wisconsin, 7DOE Great Lakes Bioenergy Research Center, Wisconsin Energy Institute, 8J.F. Crow Institute for the Study of Evolution, University of Wisconsin-Madison

JoVE 54631


 Environment

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Sample Extraction and Simultaneous Chromatographic Quantitation of Doxorubicin and Mitomycin C Following Drug Combination Delivery in Nanoparticles to Tumor-bearing Mice

1Department of Pharmaceutical Sciences, University of Toronto, 2Departments of Medical Biophysics and Radiation Oncology, University of Toronto, Ontario Cancer Institute, University Health Network

JoVE 56159


 Cancer Research

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