Cell Biology

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    Protocols in Current Issue
    Explant Culture of the Embryonic Mouse Spinal Cord and Gene Transfer by ex vivo Electroporation
    [Abstract] Developing axons change responsiveness to guidance cues during the journey to synapse with target cells. Axon crossing at the ventral midline serves as a model for studying how axons accomplish such a switch in their response. Although primary neuron culture has been a versatile technique for elucidating various developmental mechanisms, many in ...
    Fibroblast Gap-closure Assay-Microscopy-based in vitro Assay Measuring the Migration of Murine Fibroblasts
    Authors:  Agnieszka P. Looney and Mallar Bhattacharya, date: 08/20/2019, view: 712, Q&A: 0
    [Abstract] Pulmonary fibrosis is characterized by pathological scaring of the lung. Similar to other fibrotic diseases, scar formation is driven by excessive extracellular matrix deposition by activated, proliferative, and migratory fibroblasts.

    Currently, the two most widely used chemotaxis and cell migration assays are the scratch assay and the ...
    Live-cell Migration Assays to Study Motility of Neural and Glial (Oligodendrocyte) Progenitor Cells
    Authors:  Chu-Yen Chen, Fu-Sheng Chou and Pei-Shan Wang, date: 06/20/2019, view: 904, Q&A: 0
    [Abstract] Cell motility has been extensively studied in in vitro models using fibroblasts and keratocytes, but the cell type-specific mechanisms underlying migration of lineage- or disease-specific cells, such as neural and glial progenitor cells, remain an active field for investigation. The migrating neural and glial progenitor cells contribute ...
    Human Endothelial Cell Spheroid-based Sprouting Angiogenesis Assay in Collagen
    Authors:  Fabian Tetzlaff and Andreas Fischer, date: 09/05/2018, view: 5419, Q&A: 0
    [Abstract] Angiogenesis, the formation of new blood vessels from pre-existing ones plays an important role during organ development, regeneration and tumor progression. The spheroid-based sprouting assay is a well-established and robust method to study the influence of genetic alterations or pharmacological compounds on capillary-like tube formation of ...
    Fluorescent Labeling of Rat-tail Collagen for 3D Fluorescence Imaging
    Author:  Andrew D. D Doyle, date: 07/05/2018, view: 3388, Q&A: 0
    [Abstract] Rat tail collagen solutions have been used as polymerizable in vitro three-dimensional (3D) extracellular matrix (ECM) gels for single and collective cell migration assays as well as spheroid formation. These 3D hydrogels are a relatively inexpensive, simple to use model system that can mimic the in vivo physical characteristics ...
    Explant Methodology for Analyzing Neuroblast Migration
    Authors:  Kirsty J. Dixon, Alisa Turbic, Ann M. Turnley and Daniel J. Liebl, date: 05/05/2017, view: 5187, Q&A: 0
    [Abstract] The subventricular zone (SVZ) in the mammalian forebrain contains stem/progenitor cells that migrate through the rostral migratory stream (RMS) to the olfactory bulb throughout adulthood. SVZ-derived explant cultures provide a convenient method to assess factors regulating the intermediary stage of neural stem/progenitor cell migration. Here, we ...
    The Chick Embryo Chorioallantoic Membrane as an in vivo Model to Study Metastasis
    Authors:  Piero Crespo and Berta Casar, date: 10/20/2016, view: 12242, Q&A: 0
    [Abstract] Metastasis is a complex process that includes several steps: neoplastic progression, angiogenesis, cell migration and invasion, intravasation into nearby blood vessels, survival in the circulatory system, extravasation followed by homing into distant tissues, the formation of micrometastases, and finally the growth into macroscopic secondary ...
    In vivo Analysis of Neutrophil Infiltration during LPS-induced Peritonitis
    Authors:  Lucia de Almeida, Andrea Dorfleutner and Christian Stehlik, date: 10/05/2016, view: 6101, Q&A: 0
    [Abstract] Bacterial lipopolysaccharide (LPS) is present in the outer membrane of Gram-negative bacteria and functions as pathogen-associated molecular pattern (PAMP) (Whitfield and Trent, 2014). LPS therefore is a potent activator of inflammatory responses leading to cytokine release and neutrophils recruitment. The lipid A moiety of LPS activates the ...
    Hanging Drop Aggregation Assay of Breast Cancer Cells
    Author:  Yong Teng, date: 02/05/2015, view: 13283, Q&A: 0
    [Abstract] Hanging drop assay can be used to investigate cell-cell cohesion and cell-substratum adhesion through generation of 3D spheroids under physiological conditions. It also can be used to elucidate the role of cell-cell or cell-ECM interactions in specifying spatial relationships between two (or more) different cell populations. This simple method ...
    In vitro Migration Assays for Neural Stem Cells, Intermediate Neurogenic Progenitors and Immature Neurons
    Authors:  Julia Ladewig, Philipp Koch and Oliver Brüstle, date: 01/05/2015, view: 11803, Q&A: 0
    [Abstract] In the vertebrate central nervous system (CNS), different neural precursor populations such as neural stem cells (NSCs), intermediate neurogenic progenitors (INPs) and immature neurons have to migrate from their places of birth to their location of function. Coordinated migration is mediated by direct cell-cell interactions and by extracellular ...



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