Protocols in Current Issue
    Dual Color, Live Imaging of Vesicular Transport in Axons of Cultured Sensory Neurons
    Authors:  Yoko Bekku and James L. Salzer, date: 06/20/2021, view: 21, Q&A: 0

    The function of neurons in afferent reception, integration, and generation of electrical activity relies on their strikingly polarized organization, characterized by distinct membrane domains. These domains have different compositions resulting from a combination of selective targeting and retention of membrane proteins. In neurons, most proteins

    Confocal Microscopy of Reovirus Transport in Living Dorsal Root Ganglion Neurons
    Authors:  Pavithra Aravamudhan, Krishnan Raghunathan and Terence S. Dermody, date: 11/20/2020, view: 1122, Q&A: 0

    Neurotropic reoviruses repurpose host machinery to traffic over long distances in neuronal processes and access distal replication sites. Understanding mechanisms of neuronal transmission is facilitated by using simplified in vitro primary neuronal culture models. Advances in the design of compartmentalized microfluidic devices lend robustness to

    Sciatic Nerve Cut and Repair Using Fibrin Glue in Adult Mice
    Authors:  Erica T. Akhter, Travis M. Rotterman, Arthur W. English and Francisco J. Alvarez, date: 09/20/2019, view: 2402, Q&A: 0
    [Abstract] Peripheral nerve injury (PNI) is an excellent model for studying neural responses to injury and elucidating the mechanisms that can facilitate axon regeneration. As such, several animal models have been employed to study regenerative mechanisms after PNI, including Aplysia, zebrafish, rabbits, cats and rodents. This protocol describes how to ...
    Optical Stimulation and Electrophysiological Analysis of Regenerating Peripheral Axons
    Authors:  Patricia J. Ward and Arthur W. English, date: 06/20/2019, view: 2480, Q&A: 0
    [Abstract] Although axons in the peripheral nervous system can regenerate, functional recovery after nerve injuries is poor. Activity-based therapies, such as exercise and electrical stimulation, enhance the regeneration of cut peripheral axons. Despite their effectiveness, clinical application of these experimental techniques has been limited. At least part ...
    Electrophysiological Recordings of Evoked End-Plate Potential on Murine Neuro-muscular Synapse Preparations
    Authors:  Giulia Zanetti, Samuele Negro, Aram Megighian and Marco Pirazzini, date: 04/20/2018, view: 7813, Q&A: 0
    [Abstract] Neuromuscular junction (NMJ) is the specialized chemical synapse that mediates the transmission of the electrical impulse running along motor neuron axons to skeletal muscle fibers. NMJ is the best characterized chemical synapse and its study along many years of research has provided most of the general knowledge of synapse development, structure ...
    Mouse Phrenic Nerve Hemidiaphragm Assay (MPN)
    Authors:  Giulia Zanetti, Samuele Negro, Marco Pirazzini and Paola Caccin, date: 03/05/2018, view: 6318, Q&A: 0
    [Abstract] The neuromuscular junction (NMJ) is the specialized synapse by which peripheral motor neurons innervate muscle fibers and control skeletal muscle contraction. The NMJ is the target of several xenobiotics, including chemicals, plant, animal and bacterial toxins, as well as of autoantibodies raised against NMJ antigens. Depending on their ...
    Isolation and Purification of Schwann Cells from Spinal Nerves of Neonatal Rat
    Authors:  Jinkun Wen, Dandan Tan, Lixia Li and Jiasong Guo, date: 10/20/2017, view: 9056, Q&A: 0
    [Abstract] Primary cultured Schwann cells (SCs) are widely used in the investigation of the biology of SC and are important seed cells for neural tissue engineering. Here, we describe a novel protocol for harvesting primary cultured SCs from neonatal Sprague-Dawley (SD) rats. In the present protocol, dissociated SCs are isolated from the spinal nerves of ...
    Preparation of Teased Nerve Fibers from Rat Sciatic Nerve
    Authors:  Jinkun Wen, Lixia Li, Dandan Tan and Jiasong Guo, date: 10/05/2017, view: 8606, Q&A: 0
    [Abstract] Compared to tissue sectioning techniques, the technique of teasing single nerve fibers provides a better way to understand the structures of myelin sheaths and axons of the peripheral myelinated nerves. This protocol describes a method for preparation of teased single nerve fibers from rat sciatic nerve. In this protocol, fixed nerves are teased ...
    Live Imaging of Myogenesis in Indirect Flight Muscles in Drosophila
    Author:  Dagan Segal, date: 07/05/2017, view: 6996, Q&A: 0
    [Abstract] The indirect flight muscles (IFMs) are the largest muscles in the fly, making up the bulk of the adult thorax. IFMs in Drosophila are generated during pupariation by fusion of hundreds of muscle precursor cells (myoblasts) with larval muscle templates (myotubes). Prominent features, including the large number of fusion events, the ...
    Muscle Histology Characterization Using H&E Staining and Muscle Fiber Type Classification Using Immunofluorescence Staining
    Authors:  Chao Wang, Feng Yue and Shihuan Kuang, date: 05/20/2017, view: 19208, Q&A: 1
    [Abstract] Muscle function is determined by its structure and fiber type composition. Here we describe a protocol to examine muscle histology and myofiber types using hematoxylin and eosin (H&E) and immunofluorescence staining, respectively. H&E stain nucleus in blue and cytoplasm in red, therefore allowing for morphological analyses, such as myofiber ...

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