Protocols in Current Issue
    Assessing Olfaction Using Ultrasonic Vocalization Recordings in Mouse Pups with a Sono-olfactometer
    Authors:  Sébastien Wagner, Pierre-Marie Lledo and Françoise Lazarini, date: 02/20/2019, view: 721, Q&A: 0
    [Abstract] Olfaction is the first sensory modality to develop during fetal life in mammals, and plays a key role in the various behaviors of neonates such as feeding and social interaction. Odorant cues (i.e., mother or predator scents) can trigger potentiation or inhibition of ultrasonic vocalizations (USV) emitted by pups following their ...
    Three-chamber Social Approach Task with Optogenetic Stimulation (Mice)
    Authors:  Celeste Leung, Jun Chul Kim and Zhengping Jia, date: 12/20/2018, view: 869, Q&A: 0
    [Abstract] The formation of social relationships via social interactions and memory are essential for one’s physical and mental health. To date, rodent studies have used the three-chamber social approach test to measure social approach, social novelty, and social memory. In recent years, techniques including optogenetics have been developed to acutely ...
    Partial Transection of Adult Rat Optic Nerve as a Model of Secondary Degeneration in the Central Nervous System
    Authors:  Carole A Bartlett and Melinda Fitzgerald, date: 12/20/2018, view: 753, Q&A: 0
    [Abstract] Injury to the central nervous system is characterized by damage that spreads from the initial point of impact into the surrounding adjacent tissue, in a phenomenon referred to as secondary degeneration. The optic nerve can be used to effectively model injury and secondary degeneration to white matter tracts. Partial transection of the dorsal ...
    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: 1050, 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 ...
    Studying the Role of Microglia in Neurodegeneration and Axonal Regeneration in the Murine Visual System
    Authors:  Alexander M Hilla and Dietmar Fischer, date: 08/20/2018, view: 1949, Q&A: 0
    [Abstract] Microglia reside in the central nervous system (CNS) and are involved in the maintenance of the physiologic state. They constantly survey their environment for pathologic alterations associated with injury or diseases. For decades, researchers have investigated the role of microglia under different pathologic conditions, using approaches aiming to ...
    Sociability and Social Novelty Preference Tests Using a U-shaped Two-choice Field
    Authors:  Eun-Hwa Lee, Jin-Young Park, Yunjin Lee and Pyung-Lim  Han, date: 05/20/2018, view: 2307, Q&A: 0
    [Abstract] We developed sociability tests based on use of a U-shaped two-choice field to read out behavioral states of sociability in rodents. The U-shaped two-choice field is a modified open field that is partially partitioned with a wall projecting to the central point, resulting in two symmetrical rectangular fields, each containing closed and open square ...
    Induction of Photothrombotic Stroke in the Sensorimotor Cortex of Rats and Preparation of Tissue for Analysis of Stroke Volume and Topographical Cortical Localization of Ischemic Infarct
    Authors:  Anna M. Wiersma and Ian R. Winship, date: 05/20/2018, view: 3042, Q&A: 0
    [Abstract] The photothrombotic model of stroke is commonly used in research as it allows the ischemic infarct to be targeted to specific regions of the cortex with high reproducibility and well-defined infarct borders. Unlike other models of stroke, photothrombosis allows the precise size and location of infarct to be tightly controlled with minimal surgical ...
    In vivo Use of Dextran-based Anterograde Cortical Tracers to Assess the Integrity of the Cortical Spinal Tract
    Authors:  Anna M. Wiersma and Ian R. Winship, date: 05/20/2018, view: 1853, Q&A: 0
    [Abstract] When injected into the motor cortex of rats, anterograde tracers label fibers of the associated descending corticospinal tract (CST) that originate from pyramidal neurons in the tracer-injected cortex. These fibers can be assessed at the level of the spinal cord to determine the integrity of the descending CST and the spatial distribution of axons ...
    Intra-amniotic Injection of Mouse Embryos
    Authors:  Liyuan Cui, Peng Zou, Qingshuo Meng, Lu Lu and Jiayi Zhang, date: 05/20/2018, view: 1653, Q&A: 0
    [Abstract] Recent outbreaks of infectious neuro-developmental diseases such as congenital Zika syndrome - have led to a demand for prognosis data from animal models. We developed an intra-amniotic injection mice model that allows Zika virus (ZIKV) infected mice to grow to puberty. In this system, ZIKV is injected into the amniotic fluid of pregnant mice and ...
    Sacral Spinal Cord Transection and Isolated Sacral Cord Preparation to Study Chronic Spinal Cord Injury in Adult Mice
    Authors:  Carmelo Bellardita, Maite Marcantoni, Peter Löw and Ole Kiehn, date: 04/05/2018, view: 2209, Q&A: 0
    [Abstract] Spinal cord injury (SCI) is characterized by multiple sensory/motor impairments that arise from different underlying neural mechanisms. Linking specific sensory/motor impairments to neural mechanism is limited by a lack of direct experimental access to these neural circuits. Here, we describe an experimental model which addresses this shortcoming. ...

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