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Amyotrophic Lateral Sclerosis: A degenerative disorder affecting upper Motor neurons in the brain and lower motor neurons in the brain stem and Spinal cord. Disease onset is usually after the age of 50 and the process is usually fatal within 3 to 6 years. Clinical manifestations include progressive weakness, atrophy, Fasciculation, hyperreflexia, Dysarthria, dysphagia, and eventual paralysis of respiratory function. Pathologic features include the replacement of motor neurons with fibrous Astrocytes and atrophy of anterior Spinal nerve roots and corticospinal tracts. (From Adams et al., Principles of Neurology, 6th ed, pp1089-94)

Cranial Nerves Exam II (VII-XII)

JoVE 10005

Source:Tracey A. Milligan, MD; Tamara B. Kaplan, MD; Neurology, Brigham and Women's/Massachusetts General Hospital, Boston, Massachusetts, USA

The cranial nerve examination follows the mental status evaluation in a neurological exam. However, the examination begins with observations made upon greeting the patient. For example, weakness of the facial muscles (which are innervated by cranial nerve VII) can be readily apparent during the first encounter with the patient. Cranial nerve VII (the facial nerve) also has sensory branches, which innervate the taste buds on the anterior two-thirds of the tongue and the medial aspect of the external auditory canal. Therefore, finding ipsilateral taste dysfunction in a patient with facial weakness confirms the involvement of cranial nerve VII. In addition, knowledge of the neuroanatomy helps the clinician to localize the level of the lesion: unilateral weakness of the lower facial muscles suggests a supranuclear lesion on the opposite side, while lesions involving the nuclear or infranuclear portion of the facial nerve manifest with an ipsilateral paralysis of all the facial muscles on the involved side. Cranial nerve VIII (the acoustic nerve) has two divisions: the hearing (cochlear) division and the vestibular division, which innervates the semi


 Physical Examinations III

Novel Atomic Force Microscopy Based Biopanning for Isolation of Morphology Specific Reagents against TDP-43 Variants in Amyotrophic Lateral Sclerosis

1School for Engineering of Matter, Transport and Energy, Arizona State University, 2Department of Neurology, Georgetown University Medical Center, 3Department of Pathology, Georgetown University Medical Center

JoVE 52584


 Bioengineering

Derivation of Glial Restricted Precursors from E13 mice

1Hugo W. Moser Research Institute at Kennedy Krieger, Johns Hopkins University, 2Department of Neurology, Johns Hopkins School of Medicine, 3University of Maryland, 4Experimental Neurology, Biogen Idec, 5The Brain Science Institute, Johns Hopkins School of Medicine, 6Department of Pediatrics, Johns Hopkins School of Medicine

JoVE 3462


 Neuroscience

High-throughput Analysis of Locomotor Behavior in the Drosophila Island Assay

1Department of Human Genetics, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, 2Centre for Molecular and Biomolecular Informatics, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, 3Department of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center

JoVE 55892


 Neuroscience

Antibody Binding Specificity for Kappa (Vκ) Light Chain-containing Human (IgM) Antibodies: Polysialic Acid (PSA) Attached to NCAM as a Case Study

1Department of Neurology, Mayo Clinic, 2Mayo Clinic Center for Multiple Sclerosis and Autoimmune Neurology, Mayo Clinic, 3Center for Regenerative Medicine, Neuroregeneration, Mayo Clinic, 4Division of Neonatal Medicine, Mayo Clinic, 5Department of Pediatric and Adolescent Medicine, Mayo Clinic

JoVE 54139


 Immunology and Infection

Adapting Human Videofluoroscopic Swallow Study Methods to Detect and Characterize Dysphagia in Murine Disease Models

1Department of Otolaryngology - Head and Neck Surgery, University of Missouri, 2Department of Communication Science and Disorders, University of Missouri, 3Department of Medicine, University of Missouri

JoVE 52319


 Medicine

The Neuromuscular Junction: Measuring Synapse Size, Fragmentation and Changes in Synaptic Protein Density Using Confocal Fluorescence Microscopy

1Physiology and Bosch Institute, University of Sydney, 2Motor Neuron Disease Research Group, Australian School of Advanced Medicine, Macquarie University, 3Advanced Microscopy Facility, Bosch Institute, University of Sydney

JoVE 52220


 Neuroscience

Modeling Osteosarcoma Using Li-Fraumeni Syndrome Patient-derived Induced Pluripotent Stem Cells

1Department of Integrative Biology and Pharmacology, McGovern Medical School, The University of Texas Health Science Center at Houston, 2Graduate School of Biomedical Sciences, The University of Texas MD Anderson Cancer Center UTHealth, 3Department of Musculoskeletal Oncology, The First Affiliated Hospital of Sun Yat-sen University, 4Women's Health Institute, Cleveland Clinic Foundation, 5Center for Stem Cell and Regenerative Medicine, The Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases, The University of Texas Health Science Center at Houston, 6Center for Precision Health, School of Biomedical Informatics and School of Public Health, The University of Texas Health Science Center at Houston

JoVE 57664


 Cancer Research

Measurement of Maximum Isometric Force Generated by Permeabilized Skeletal Muscle Fibers

1Department of Orthopaedic Surgery, University of Michigan Medical School, 2Department of Molecular & Integrative Physiology, University of Michigan Medical School, 3Department of Biomedical Engineering, University of Michigan Medical School, 4Department of Surgery, Section of Plastic Surgery, University of Michigan Medical School

JoVE 52695


 Bioengineering

Targeted Next-generation Sequencing and Bioinformatics Pipeline to Evaluate Genetic Determinants of Constitutional Disease

1Robarts Research Institute, Schulich School of Medicine and Dentistry, Western University, 2Department of Biochemistry, Schulich School of Medicine and Dentistry, Western University, 3Analytic and Translational Genetics Unit, Center for Genomic Medicine, Harvard Medical School, Massachusetts General Hospital, Stanley Centre for Psychiatric Research, Broad Institute of MIT and Harvard, 4Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, 5School of Medicine, Faculty of Health Sciences, Queen's University, 6Faculty of Medicine, Department of Biochemistry, Microbiology and Immunology, University of Ottawa, 7CHEO Research Institute, Faculty of Medicine, University of Ottawa, 8Department of Clinical Neurological Sciences, Western University, 9Division of Neurology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, 10Division of Neurology, Department of Medicine, University of Toronto, 11Morton and Gloria Shulman Movement Disorders Centre, Toronto Western Hospital, 12Department of Clinical Neurological Sciences, Schulich School of Medicine and Dentistry, Western University, 13Parkwood Institute, St. Joseph's Health Care, 14Department of Medicine, Division of Neurology, McMaster University, 15Division of Neurology, Department of Medicine, Baycrest Health Sciences, 16Canadian Partnership for Stroke Recovery Sunnybrook Site, Sunnybrook Health Science Centre, University of Toronto

JoVE 57266


 Genetics

Spontaneous Formation and Rearrangement of Artificial Lipid Nanotube Networks As a Bottom-Up Model for Endoplasmic Reticulum

1Centre for Molecular Medicine Norway, Faculty of Medicine, University of Oslo, 2Department of Chemistry, Faculty of Mathematics and Natural Sciences, University of Oslo, 3Department of Chemistry and Chemical Engineering, Chalmers University of Technology

Video Coming Soon

JoVE 58923


 JoVE In-Press

Imaging Subcellular Structures in the Living Zebrafish Embryo

1Institute of Neuronal Cell Biology, Technische Universität München, 2Cell Biology, Department of Biology, Faculty of Science, Utrecht University, 3Faculty of Biology, Ludwig-Maximilians-Universität-München, 4Adolf-Butenandt-Institute, Biochemistry, Ludwig-Maximilians-Universität-München, 5German Center for Neurodegenerative Diseases, 6Laboratory of Brain Development and Repair, The Rockefeller University

JoVE 53456


 Developmental Biology

Using Optical Coherence Tomography and Optokinetic Response As Structural and Functional Visual System Readouts in Mice and Rats

1Department of Neurology, Heinrich-Heine-University Düsseldorf, 2Department of Cell Physiology, Faculty of Biology and Biotechnology, Ruhr-University Bochum, 3Division of Neuroinflammation and Glial Biology, Department of Neurology, University of California San Francisco

Video Coming Soon

JoVE 58571


 JoVE In-Press

Quantitative Analysis of Alternative Pre-mRNA Splicing in Mouse Brain Sections Using RNA In Situ Hybridization Assay

1Department of Genetics and Genome Sciences, Case Western Reserve University, 2Department of Endocrinology, Dongfang Hospital of Beijing University of Chinese Medicine, 3Case Comprehensive Cancer Center, Case Western Reserve University, 4Center for RNA Science and Therapeutics, Case Western Reserve University

JoVE 57889


 Genetics

Rodent Behavioral Testing to Assess Functional Deficits Caused by Microelectrode Implantation in the Rat Motor Cortex

1Advanced Platform Technology Center, Rehabilitation Research and Development, Louis Stokes Cleveland Department of Veterans Affairs Medical Center, 2Department of Biomedical Engineering, Case Western Reserve University

JoVE 57829


 Bioengineering

Experimental Protocol for Detecting Mitochondrial Function in Hepatocytes Exposed to Organochlorine Pesticides

1State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, 2Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, 3Center of Gallbladder Disease, Shanghai East Hospital, Institute of Gallstone Disease, Tongji University School of Medicine

Video Coming Soon

JoVE 56800


 JoVE In-Press

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