Cell Biology

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    Protocols in Current Issue
    Hippocampal Unicellular Recordings and Hippocampal-dependent Innate Behaviors in an Adolescent Mouse Model of Alzheimer’s disease
    [Abstract] Transgenic mice have been used to make valuable contributions to the field of neuroscience and model neurological diseases. The simultaneous functional analysis of hippocampal cell activity combined with hippocampal dependent innate task evaluations provides a reliable experimental approach to detect fine changes during early phases of ...
    Semi-quantitative Determination of Protein Expression Using Immunohistochemistry Staining and Analysis: An Integrated Protocol
    Authors:  Alexandra R Crowe and Wei Yue, date: 12/20/2019, view: 2763, Q&A: 0
    [Abstract] Semi-quantitative IHC is a powerful method for investigating protein expression and localization within tissues. The semi-quantitative immunohistochemistry (IHC) involves using software such as free software ImageJ Fiji to conduct deconvolution and downstream analysis. Currently, there is lack of an integrated protocol that includes a detailed ...
    Immunofluorescence-based Determination of Centrosome Number in Tissue Samples
    Authors:  Mengdie Wang, Gregory C. Rogers and Anne E. Cress, date: 10/20/2019, view: 1858, Q&A: 0
    [Abstract] Centrosome numerical abnormalities have been reported in a variety of tumors. Centrosome numbers in cancer cells display both inter-tumor and intra-tumor heterogeneity. The over production of centrosomes (centrosome amplification) is unique in cancer cells and is a promising target for therapy. Thus, a method to quantify centrosome numbers on a ...
    In situ Hybridization of Plant-parasitic Nematode Globodera pallida Juveniles to Detect Gene Expression
    Authors:  Joanna Kud, Nejra Solo, Allan Caplan, Joseph C. Kuhl, Louise-Marie Dandurand and Fangming Xiao, date: 09/20/2019, view: 1616, Q&A: 0
    [Abstract] In this study, we describe a standard whole mount in situ hybridization method which is used to determine the spatial-temporal expression pattern of genes from Globodera spp. Unlike more invasive radioactive labeling approaches, this technique is based on a safe, highly specific enzyme-linked immunoassay where a Digoxigenin ...
    A Widely Applicable Urea-based Fluorescent/Colorimetric mRNA in situ Hybridization Protocol
    Author:  Chiara Sinigaglia, date: 09/05/2019, view: 2324, Q&A: 0
    [Abstract] In situ hybridization methods are routinely employed to detect nucleic acid sequences, allowing to localize gene expression or to study chromosomal organization in their native context. These methods rely on the pairwise binding of a labeled probe to the target endogenous nucleic acid sequence–the hybridization step, followed by detection ...
    Quantification of Cutaneous Ionocytes in Small Aquatic Organisms
    Authors:  Garfield T. Kwan, Shane H. Finnerty, Nicholas C. Wegner and Martin Tresguerres, date: 05/05/2019, view: 2190, Q&A: 0
    [Abstract] Aquatic organisms have specialized cells called ionocytes that regulate the ionic composition, osmolarity, and acid/base status of internal fluids. In small aquatic organisms such as fishes in their early life stages, ionocytes are typically found on the cutaneous surface and their abundance can change to help cope with various metabolic and ...
    Electron Microscopic Detection of Proteins and Protein Complexes in Mammalian Cells Using APEX-tagged, Conditionally Stable Nanobodies
    Authors:  Thomas E. Hall, James Rae, Nicholas Ariotti and Robert G. Parton, date: 11/20/2018, view: 2618, Q&A: 0
    [Abstract] The recent development of 3D electron microscopic techniques for cells and tissues has necessitated the development of new methods for the detection of proteins and protein-complexes in situ. The development of new genetic tags, such as the ascorbate peroxidase, APEX, for electron microscopic detection of tagged proteins has expanded the ...
    Image-Based Analysis of Mitochondrial Area and Counting from Adult Mouse Dopaminergic Neurites
    Authors:  Nadee Nissanka, Carlos T Moraes and Mlena Pinto, date: 08/20/2018, view: 4837, Q&A: 0
    [Abstract] Mitochondria form dynamic cytoplasmic networks which undergo morphological changes in order to adapt to cellular stresses and signals. These changes can include alterations in size and number within a given cell. Analysis of the whole network can be a useful metric to assess overall mitochondrial health, particularly in neurons, which are highly ...
    A Streamlined Method for the Preparation of Gelatin Embedded Brains and Simplified Organization of Sections for Serial Reconstructions
    Authors:  Andrew W. Liu, Sho Aoki and Jeffery R. Wickens, date: 11/20/2017, view: 8512, Q&A: 0
    [Abstract] Gelatin embedding of whole brains for sectioning is a critical procedure used in neuroscience to ensure all morphological and spatial details are preserved intact. Here, we describe an inexpensive, reproducible and efficient means to embed post-fixed brains ready for sectioning in gelatin within a week’s time. The sections obtained are ...
    Histochemical Preparations to Depict the Structure of Cauliflower Leaf Hydathodes
    Authors:  Aude Cerutti, Marie-Christine Auriac, Laurent D. Noël and Alain Jauneau, date: 10/20/2017, view: 5364, Q&A: 0
    [Abstract] Hydathodes are plant organs present on leaf margins of a wide range of vascular plants and are the sites of guttation. Both anatomy and physiology of hydathodes are poorly documented. We have recently reported on the anatomy of cauliflower and Arabidopsis thaliana hydathodes and on their infection by the vascular pathogenic bacterium ...



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