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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.
 JoVE Biology

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

 JoVE In-Press

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

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JoVE 55440

 JoVE Immunology and Infection

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

 JoVE Bioengineering

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

 Science Education: Essentials of Cell Biology

FM Dyes in Vesicle Recycling

JoVE Science Education

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.

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 JoVE Genetics

High-resolution Melting PCR for Complement Receptor 1 Length Polymorphism Genotyping: An Innovative Tool for Alzheimer's Disease Gene Susceptibility Assessment

1Department of Immunology, Reims University Hospitals, Robert Debré Hospital, 2Faculty of Medicine, LRN EA 4682, University of Reims Champagne-Ardenne, 3Department of Internal Medicine and Geriatrics, Reims University Hospitals, Maison Blanche Hospital, 4Faculty of Medicine, EA 3797, University of Reims Champagne-Ardenne


JoVE 56012

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 JoVE Developmental Biology

Differentiating Chondrocytes from Peripheral Blood-derived Human Induced Pluripotent Stem Cells

1Department of Orthopedics, Beijing Chao-Yang Hospital, Capital Medical University, 2Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, Chinese Academy of Sciences, 3Clinical and Translational Research Center of Shanghai First Maternity & Infant Hospital, School of Life Sciences and Technology, Tongji University


JoVE 55722

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 JoVE Neuroscience

Subpial Adeno-associated Virus 9 (AAV9) Vector Delivery in Adult Mice

1Neuroregeneration Laboratory, Department of Anesthesiology, University of California, San Diego, 2Institute of Animal Physiology and Genetics, Czech Academy of Sciences, 3Department of Neurosurgery, University of California, San Diego, 4Institute of Neurobiology, Slovak Academy of Sciences


JoVE 55770

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 JoVE Developmental Biology

A Standardized Approach for Multispecies Purification of Mammalian Male Germ Cells by Mechanical Tissue Dissociation and Flow Cytometry

1Department of Genetics, Washington University School of Medicine, 2Graduate Program in Areas of Basic and Applied Biology (GABBA), Abel Salazar Institute of Biomedical Sciences, University of Porto, 3Instituto de Investigação e Inovação em Saúde, University of Porto, 4IPATIMUP - Instituto de Patologia e Imunologia Molecular da Universidade do Porto, 5Department of Pathology & Immunology, Washington University School of Medicine


JoVE 55913

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 JoVE Cancer Research

Modified Terminal Restriction Fragment Analysis for Quantifying Telomere Length Using In-gel Hybridization

1Departments of Pathology and Infectious Diseases and Microbiology, University of Pittsburgh, 2University of Pittsburgh Cancer Institute, 3Department of Environmental and Occupational Health, University of Pittsburgh, 4Departments of Psychiatry, Psychology, Behavioral & Community Health Sciences, University of Pittsburgh


JoVE 56001

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 JoVE Neuroscience

Loading a Calcium Dye into Frog Nerve Endings Through the Nerve Stump: Calcium Transient Registration in the Frog Neuromuscular Junction

1Laboratory of Biophysics of Synaptic Processes, Kazan Scientific Centre, Kazan Institute of Biochemistry and Biophysics, Russian Academy of Sciences, 2Open Laboratory of Neuropharmacology, Kazan Federal University, 3Department of Radiophotonics and Microwave Technologies, A.N. Tupolev Kazan National Research Technical University, 4Department of Medical and Biological Physics, Kazan State Medical University


JoVE 55122

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 JoVE Cancer Research

A Genetically Engineered Mouse Model of Sporadic Colorectal Cancer

1Department of Gastrointestinal, Thoracic and Vascular Surgery, Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden, 2Department of General, Gastrointestinal and Transplant Surgery, University of Heidelberg, 3Department of Pathology, Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden, 4German Cancer Consortium (DKTK), 5German Cancer Research Center (DKFZ)


JoVE 55952

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 JoVE Bioengineering

Isolation of Primary Murine Retinal Ganglion Cells (RGCs) by Flow Cytometry

1Department of Ophthalmology, Hamilton Eye Institute, University of Tennessee Health Science Center, 2Department of Microbiology, Immunology and Biochemistry, University of Tennessee Health Science Center, 3Department of Anatomy and Neurobiology, University of Tennessee Health Science Center, 4Department of Pharmaceutical Sciences, University of Tennessee Health Science Center


JoVE 55785

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 JoVE Chemistry

Extraction and Purification of Polyphenols from Freeze-dried Berry Powder for the Treatment of Vascular Smooth Muscle Cells In Vitro

1Department of Dietetics and Nutrition, University of Arkansas for Medical Sciences, 2Department of Nutrition, Food and Exercise Sciences, Florida State University, 3Center for Advancing Exercise and Nutrition Research on Aging (CAENRA), Florida State University


JoVE 55605

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