Mammalia

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    Protocols in Current Issue
    Optogenetic Food Odor Avoidance Assay
    Authors:  Jay M. Patel, Jessica Swanson and Benjamin R. Arenkiel, date: 10/20/2019, view: 271, Q&A: 0
    [Abstract] Appetite is tightly linked to the sensory experience of feeding, including the smell, taste, and sight of food. Sensory perception can affect the palatability of food, modulating appetite beyond homeostatic requirements. Hypothalamic neurons that govern feeding are responsive to sensory cues associated with food, including food odors. However, the ...
    Antisense Oligodeoxynucleotide Perfusion Blocks Gene Expression of Synaptic Plasticity-related Proteins without Inducing Compensation in Hippocampal Slices
    [Abstract] The elucidation of the molecular mechanisms of long-term synaptic plasticity has been hindered by both the compensation that can occur after chronic loss of the core plasticity molecules and by ex vivo conditions that may not reproduce in vivo plasticity. Here we describe a novel method to rapidly suppress gene expression by ...
    Explant Culture of the Embryonic Mouse Spinal Cord and Gene Transfer by ex vivo Electroporation
    [Abstract] Developing axons change responsiveness to guidance cues during the journey to synapse with target cells. Axon crossing at the ventral midline serves as a model for studying how axons accomplish such a switch in their response. Although primary neuron culture has been a versatile technique for elucidating various developmental mechanisms, many in ...
    A High-throughput and Pathophysiologically Relevant Astrocyte-motor Neuron Co-culture Assay for Amyotrophic Lateral Sclerosis Therapeutic Discovery
    Authors:  Matthew J. Stopford, Scott P. Allen and Laura Ferraiuolo, date: 09/05/2019, view: 738, Q&A: 0
    [Abstract] Amyotrophic lateral sclerosis (ALS) is an adult onset neurological disorder characterized by loss of motor neurons leading to progressive muscle wasting and eventually death. Astrocytes play a key role in disease pathogenesis. However, the ability to study astrocytic support towards motor neurons in ALS has been limited by a lack of sustainable ...
    Looking through Brains with Fast Passive CLARITY: Zebrafish, Rodents, Non-human Primates and Humans
    Authors:  Farzad Mortazavi, Alexander J. Stankiewicz and Irina V. Zhdanova, date: 08/05/2019, view: 847, Q&A: 0
    [Abstract] Recently developed CLARITY (Clear Lipid-exchanged Acrylamide-hybridized Rigid Imaging/Immunostaining/In situ-hybridization-compatible Tis-sue-hYdrogel) technique renders the tissue transparent by removing lipids in the tissue, while preserving and stabilizing the cellular and subcellular structures. This provides effective penetration of diverse ...
    Live-cell Migration Assays to Study Motility of Neural and Glial (Oligodendrocyte) Progenitor Cells
    Authors:  Chu-Yen Chen, Fu-Sheng Chou and Pei-Shan Wang, date: 06/20/2019, view: 829, Q&A: 0
    [Abstract] Cell motility has been extensively studied in in vitro models using fibroblasts and keratocytes, but the cell type-specific mechanisms underlying migration of lineage- or disease-specific cells, such as neural and glial progenitor cells, remain an active field for investigation. The migrating neural and glial progenitor cells contribute ...
    Optical Stimulation and Electrophysiological Analysis of Regenerating Peripheral Axons
    Authors:  Patricia J. Ward and Arthur W. English, date: 06/20/2019, view: 873, 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 ...
    Protocol to Quantitatively Assess the Structural Integrity of Perineuronal Nets ex vivo
    Authors:  Bhanu P. Tewari and Harald Sontheimer, date: 05/20/2019, view: 1217, Q&A: 0
    [Abstract] Perineuronal nets (PNNs) are extracellular matrix assemblies of highly negatively charged proteoglycans that wrap around fast-spiking parvalbumin (PV) expressing interneurons in the cerebral cortex. PNNs play important roles in neuronal plasticity and modulate biophysical properties of the enclosed interneurons. Various central nervous system ...
    Isolation of Neural Stem Cells from the Embryonic Mouse Hippocampus for in vitro Growth or Engraftment into a Host Tissue
    Authors:  Oksana Rybachuk, Olga Kopach, Tetyana Pivneva and Vitaliy Kyryk, date: 02/20/2019, view: 1708, Q&A: 0
    [Abstract] For both stem cell research and treatment of the central nervous system disorders, neural stem/progenitor cells (NSPCs) represent an important breakthrough tool. In the expanded stem cell-based therapy use, NSPCs not only provide a powerful cell source for neural cell replacement but a useful model for developmental biology research. Despite ...
    Behavioral Evaluation of Seeking and Preference of Alcohol in Mice Subjected to Stress
    Authors:  Ana Canseco-Alba, Norman Schanz, Hiroki Ishiguro, Qing-Rong Liu and Emmanuel S. Onaivi, date: 10/20/2018, view: 1685, Q&A: 0
    [Abstract] The alcohol preference model is one of the most widely used animal models relevant to alcoholism. Stressors increase alcohol consumption. Here we present a protocol for a rapid and useful tool to test alcohol preference and stress-induced alcohol consumption in mice. In this model, animals are given two bottles, one with a diluted solution of ...



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