Mammalia

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    Protocols in Current Issue
    Evoked Potential Recordings of Auditory Brainstem Activity in the Mouse: An Optimized Method for the Assessment of Hearing Function of Mice
    Author:  Neil J. Ingham, date: 12/05/2019, view: 389, Q&A: 0
    [Abstract] Hearing loss is a common sensory deficiency suffered by millions worldwide. It is a heterogeneous condition and genetics plays a critical role in its etiology. Gene variants can fundamentally alter hearing function, or predispose the auditory system towards loss of function resulting from other factors. In mouse studies of hearing loss and gene ...
    Intra-arterial Drug Delivery to the Ischemic Brain in Rat Middle Cerebral Artery Occlusion Model
    [Abstract] Rat transient middle cerebral artery occlusion (tMCAO) model is one of the most commonly used animal models in ischemic stroke studies. In the model, increasing safety and efficacy of therapeutic agent administration, such as stem cells and drugs directly to the ischemic brain using the internal carotid artery (ICA) is essential, because using the ...
    Labeling and Isolation of Fluorouracil Tagged RNA by Cytosine Deaminase Expression
    Authors:  Harihar Basnet and Joan Massague, date: 11/20/2019, view: 412, Q&A: 0
    [Abstract] Tissues are comprised of different cell types whose interactions elicit distinct gene expression patterns that regulate tissue formation, regeneration, homeostasis and repair. Analysis of these gene expression patterns require methods that can capture as closely as possible the transcriptomes of cells of interest in their tissue microenvironment. ...
    Leishmania Parasite Quantification by Bioluminescence in Murine Models
    Authors:  Marta Reverte and Nicolas Fasel, date: 11/20/2019, view: 330, Q&A: 0
    [Abstract] Leishmaniasis remains a major public health problem worldwide with a prevalence of 12 million, an incidence of 1 million persons, and 350 million people being at risk. Murine models have been largely used for studying the host-pathogen relationship and developing effective chemotherapies against Leishmania parasites. Thus, preclinical ...
    Intracerebral Injection of Streptozotocin to Model Alzheimer Disease in Rats
    [Abstract] Animal models have promoted meaningful contribution to science including Alzheimer’s disease (AD) research. Several animal models for AD have been used, most of them related to genetic mutations observed in familial AD. However, sporadic form of AD, also named late-onset is the most frequent form of the disease, which is multifactorial, being ...
    An Operant Conditioning Task to Assess the Choice between Wheel Running and Palatable Food in Mice
    Authors:  Bastien Redon, Imane Hurel, Giovanni Marsicano and Francis Chaouloff, date: 10/05/2019, view: 521, Q&A: 0
    [Abstract] Wheel running, especially in the homecage, has been widely used to study the neurobiology of exercise because animal tends to use it voluntarily. However, as for each reward, its consumption (in the present case, running performance) does not specifically provide information on its incentive value, i.e., the extent to which animals are ...
    A Novel Dual Lentiviral CRISPR-based Transcriptional Activation System for Gene Expression Regulation in Neurons
    Authors:  Katherine E. Savell, Faraz A. Sultan and Jeremy J. Day, date: 09/05/2019, view: 1083, Q&A: 0
    [Abstract] Robust and efficient gene expression control enables the study of a gene’s function in the central nervous system. Advances in CRISPR-based technology provide new avenues not only for gene editing, but for complex transcriptional control. Here, we describe a protocol to generate high-titer lentiviruses with neuron-optimized CRISPR-activation ...
    Cylinder Test to Assess Sensory-motor Function in a Mouse Model of Parkinson’s Disease
    [Abstract] Parkinson’s disease is a progressive neurodegenerative movement disorder that happens due to the loss of dopaminergic neurons in the substantia nigra. The deficiency of dopamine in the basal nuclei drives cardinal motor symptoms such as bradykinesia and hypokinesia. The current protocol describes the cylinder test, which is a relatively simple ...
    Protocol for Measuring Compulsive-like Feeding Behavior in Mice
    Authors:  Marta Fructuoso, Jose Espinosa-Carrasco, Ionas Erb, Cedric Notredame and Mara Dierssen, date: 07/20/2019, view: 890, Q&A: 0
    [Abstract] Obesity is an important health problem with a strong environmental component that is acquiring pandemic proportion. The high availability of caloric dense foods promotes overeating potentially causing obesity. Animal models are key to validate novel therapeutic strategies, but researchers must carefully select the appropriate model to draw the ...
    A High-throughput qPCR-based Method to Genotype the SOD1G93A Mouse Model for Relative Copy Number
    Authors:  Valerie R. Tassinari and Fernando G. Vieira, date: 06/20/2019, view: 1341, Q&A: 0
    [Abstract] The most commonly used mouse model in ALS preclinical research expresses multiple copies of the human SOD1 (G93A) transgene. During the course of breeding, successive generations of mice can lose copies of the transgene. Because shorter lifespan of these mice is dependent on transgene copy number, it is essential to ensure that no low-copy, and ...



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