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Rats, Transgenic: Laboratory rats that have been produced from a genetically manipulated rat Egg or rat Embryo, Mammalian. They contain genes from another species.
 JoVE Neuroscience

Non-restraining EEG Radiotelemetry: Epidural and Deep Intracerebral Stereotaxic EEG Electrode Placement

1Department of Neuropsychopharmacology, Federal Institute for Drugs and Medical Devices (Bundesinstitut für Arzneimittel und Medizinprodukte, BfArM), 2Molecular and Cellular Cognition Lab, German Center for Neurodegenerative Diseases (Deutsches Zentrum für Neurodegenerative Erkrankungen, DZNE)


JoVE 54216

 JoVE Medicine

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

 JoVE Medicine

Development of an Alpha-synuclein Based Rat Model for Parkinson's Disease via Stereotactic Injection of a Recombinant Adeno-associated Viral Vector

1Laboratory for Neurobiology and Gene Therapy, Department of Neurosciences, KU Leuven, 2Division of Nuclear Medicine, Leuven University Hospital - KU Leuven, 3Laboratory for Molecular Virology and Gene Therapy, Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, 4Leuven Viral Vector Core, KU Leuven


JoVE 53670

 JoVE Behavior

Morris Water Maze Test: Optimization for Mouse Strain and Testing Environment

1Department of Psychology, Behavioral Neuroscience, West Virginia University, 2Department of Physiology and Pharmacology, West Virginia University, 3Department of Neurology, N. Bud Grossman Center for Memory Research and Care, University of Minnesota, 4Department of Neuroscience, N. Bud Grossman Center for Memory Research and Care, University of Minnesota, 5GRECC, VA Medical Center, 6Center for Neuroscience, Center for Basic and Translational Stroke Research, West Virginia University


JoVE 52706

 JoVE Behavior

Flat-floored Air-lifted Platform: A New Method for Combining Behavior with Microscopy or Electrophysiology on Awake Freely Moving Rodents

1Neuroscience Center, University of Helsinki, 2Neurotar LTD, 3A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, 4Laboratory Animal Center, University of Helsinki


JoVE 51869

 JoVE Cancer Research

Long-term High-Resolution Intravital Microscopy in the Lung with a Vacuum Stabilized Imaging Window

1Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, 2Department of Obstetrics/Gynecology and Woman’s Health, Albert Einstein College of Medicine, 3Department of Anatomy & Structural Biology, Albert Einstein College of Medicine, 4Gruss-Lipper Biophotonics Center Integrated Imaging Program, Albert Einstein College of Medicine, 5Medical Research Council Centre for Reproductive Health, Queen’s Medical Research Institute, University of Edinburgh


JoVE 54603

 JoVE Medicine

Induction of Invasive Transitional Cell Bladder Carcinoma in Immune Intact Human MUC1 Transgenic Mice: A Model for Immunotherapy Development

1Department of Internal Medicine, Division of Hematology and Oncology, University of California, Davis, 2Comparative Pathology Laboratory, UC Davis School of Veterinary Medicine, University of California, Davis, 3Merck Serono Research, Merck KGaA, Darmstadt, Germany


JoVE 50868

 JoVE Behavior

Contextual and Cued Fear Conditioning Test Using a Video Analyzing System in Mice

1Division of Systems Medical Science, Institute for Comprehensive Medical Science, Fujita Health University, 2Japan Science and Technology Agency, Core Research for Evolutionary Science and Technology (CREST), 3Center for Genetic Analysis of Behavior, National Institute for Physiological Sciences, National Institutes of Natural Sciences


JoVE 50871

 Science Education: Essentials of Lab Animal Research

Rodent Identification I

JoVE Science Education

Source: Kay Stewart, RVT, RLATG, CMAR; Valerie A. Schroeder, RVT, RLATG. University of Notre Dame, IN

A fundamental requirement of biomedical research is the proper identification of research animals. It is essential that the right animal is utilized for procedures and data collection. Laboratory mice and rats can be identified with the following permanent methods: ear tags, ear punch codes, microchip implantation, tail tattoos for adult mice, and toe tattoos for neonates. Temporary methods of dyes and marking pens can also be used for acute studies. This video covers the technical aspects of ear tagging and punching for mice and rats, as well as the benefits of each with respect to the type of research being conducted on the animals. Knowledge of the basic manual restraint techniques for each animal (covered in a separate video) is required for these identification methods to be properly accomplished.

 JoVE Neuroscience

In vivo Imaging of Optic Nerve Fiber Integrity by Contrast-Enhanced MRI in Mice

1Hans Berger Department of Neurology, Jena University Hospital, 2Immunology, Leibniz Institute for Age Research, Fritz Lipmann Institute, Jena, 3Institute of Diagnostic and Interventional Radiology, Medical Physics Group, Jena University Hospital


JoVE 51274

 Science Education: Essentials of Lab Animal Research

Fundamentals of Breeding and Weaning

JoVE Science Education

Source: Kay Stewart, RVT, RLATG, CMAR; Valerie A. Schroeder, RVT, RLATG. University of Notre Dame, IN

Millions of mice and rats are bred for use in biomedical research each year. Worldwide, there are several large commercial breeding facilities that supply mice to research laboratories, but many facilities choose to also breed mice and rats in-house to reduce costs and increase research options. When breeding in the animal facility, researchers are able to manipulate the genetics of the animals, time the pregnancies to meet the needs of the research, and work with embryos and neonates as required. Mice and rats can be bred in a variety of schemes and methods. Technical procedures, such as the use of vaginal cytology, visualization of the vaginal area, and observation of copulatory plugs, have been developed to assist with the synchronization of breeding to correspond to research requirements. This manuscript is an overview of the basic fundamentals of mouse and rat breeding and technical procedures used. More detailed descriptions of the complex breeding schemes, and the full description of the methods for vaginal cytology, are available in the list of references.

 JoVE In-Press

Hyperpolarized 13C Metabolic Magnetic Resonance Spectroscopy and Imaging

1Department of Nuclear Medicine, Klinikum rechts der Isar, Technische Universität München, 2Department of Chemistry, Technische Universität München, 3GE Global Research, 4Zentralinstitut für Medizintechnik der Technischen Universität München (IMETUM), Technische Universität München, 5Institute for Biological and Medical Imaging (IBMI), Helmholtz Zentrum München, 6IDG Institute of Developmental Genetics, Helmholtz Zentrum München

Video Coming Soon

JoVE 54751

 Science Education: Essentials of Lab Animal Research

Compound Administration III

JoVE Science Education

Source: Kay Stewart, RVT, RLATG, CMAR; Valerie A. Schroeder, RVT, RLATG. University of Notre Dame, IN

There are many commonly used routes for compound administration in laboratory mice and rats. However, certain protocols may require the use of less commonly used routes, including intradermal, intranasal, and intracranial injections. Specialized training is essential for these procedures to be performed successfully. Justification for these routes may need to be provided to gain Institutional Animal Care and Use Committee (IACUC) approval.

 JoVE Medicine

Intrastriatal Injection of Autologous Blood or Clostridial Collagenase as Murine Models of Intracerebral Hemorrhage

1Multidisciplinary Neuroprotection Laboratories, Department of Anesthesiology, Duke University, 2Department of Neurology, Duke University, 3Department of Radiology, Duke University, 4Department of Neurobiology, Duke University


JoVE 51439

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