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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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Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light

1Institute for Complex Molecular Systems (ICMS), Technical University of Eindhoven, 2Department of Chemical Engineering and Chemistry, Laboratory of Macromolecular and Organic Chemistry, Technical University of Eindhoven, 3Department of Chemical Engineering and Chemistry, Laboratory for Functional Organic Materials and Devices (SFD), Technical University of Eindhoven

JoVE 56266


 Engineering

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Genome-wide Analysis of HDAC Inhibitor-mediated Modulation of microRNAs and mRNAs in B Cells Induced to Undergo Class-switch DNA Recombination and Plasma Cell Differentiation

1Department of Microbiology, Immunology and Molecular Genetics, University of Texas Long School of Medicine at San Antonio, 2Xiangya School of Medicine, Cental South University, 3Greehey Children’s Cancer Research Institute, University of Texas Long School of Medicine at San Antonio

JoVE 55135


 Immunology and Infection

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Single-molecule Manipulation of G-quadruplexes by Magnetic Tweezers

1School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, 2Mechanobiology Institute, National University of Singapore, 3Department of Physics, National University of Singapore, 4Research Institute for Biomimetics and Soft Matter, Fujian Provincial Key Lab for Soft Functional Materials Research, Department of Physics, Xiamen University, 5Center for Bioimaging Sciences, National University of Singapore

JoVE 56328


 Biochemistry

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The Aortic Ring Co-culture Assay: A Convenient Tool to Assess the Angiogenic Potential of Mesenchymal Stromal Cells In Vitro

1Create Fertility Centre, 2Department of Physiology, University of Toronto, 3Department of Obstetrics and Gynecology, University of Toronto, 4Department of Medical Sciences, University of Toronto, 5Department of Obstetrics and Gynecology, Women's College Hospital

JoVE 56083


 Developmental Biology

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A Novel Method: Super-selective Adrenal Venous Sampling

1Department of Radiology, Nerima Hikarigaoka Hospital, 2Department of Uro-Oncology, Saitama Medical University International Medical Center, 3Endocrinology & Diabetes Center, Yokohama Rosai Hospital, 4Division of Endocrinology and Metabolism, Kanazawa University Graduate School of Medicine, 5Department of Medical Education, School of Medicine, California University of Science and Medicine, 6Department of Pathology, Saitama Medical University International Medical Center, 7Department of Radiology, Yokohama Rosai Hospital

JoVE 55716


 Medicine

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Aerosol-assisted Chemical Vapor Deposition of Metal Oxide Structures: Zinc Oxide Rods

1Instituto de Microelectrónica de Barcelona (IMB-CNM, CSIC), 2SIX Research Centre, Brno University of Technology, 3Institute of Physics of Material, Academy of Science of Czech Republic, 4Institute of Physical Engineering and Central European Institute of Technology, Brno University of Technology

JoVE 56127


 Chemistry

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A Method to Estimate Cadaveric Femur Cortical Strains During Fracture Testing Using Digital Image Correlation

1Division of Engineering, Mayo Clinic, 2Department of Physiology and Biomedical Engineering, Mayo Clinic, 3Department of Orthopedic Surgery, Mayo Clinic, 4Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign

JoVE 54942


 Bioengineering

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Using In Vivo and Tissue and Cell Explant Approaches to Study the Morphogenesis and Pathogenesis of the Embryonic and Perinatal Aorta

1Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, 2Department of Neurology, Yale University School of Medicine, 3Department of Neurology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine

JoVE 56039


 Developmental Biology

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Streamlined Single Cell TCR Isolation and Generation of Retroviral Vectors for In Vitro and In Vivo Expression of Human TCRs

1Department of Pediatrics, Section of Diabetes and Endocrinology, McNair Medical Institute, Baylor College of Medicine, Texas Children's Hospital, 2Benaroya Research Institute at Virginia Mason, 3Center for Human Immunobiology, Baylor College of Medicine, Texas Children's Hospital, 4Department of Pediatrics, Section of Diabetes and Endocrinology, Baylor College of Medicine, Texas Children's Hospital

JoVE 55379


 Immunology and Infection

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