Cell Biology

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    Protocols in Current Issue
    A Transient Transfection-based Cell Adhesion Assay with 293T Cells
    Authors:  Rohit Singh and Beom K. Choi, date: 01/05/2021, view: 985, Q&A: 0
    [Abstract]

    The in vitro cell adhesion assay is a quantitative method for measuring selective cell adhesion to specific proteins. Traditionally, cell adhesion assays employ purified protein immobilized on a solid glass or plastic surface. Here, we describe a transient 293T cell transfection-based cell adhesion assay to study selective cell adhesion of a

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    An in vitro DNA Sensor-based Assay to Measure Receptor-specific Adhesion Forces of Eukaryotic Cells and Pathogens
    Authors:  Maurizio Wack, Tina Wiegand, Friedrich Frischknecht and E. Ada Cavalcanti-Adam, date: 09/05/2020, view: 1464, Q&A: 0
    [Abstract] Motility of eukaryotic cells or pathogens within tissues is mediated by the turnover of specific interactions with other cells or with the extracellular matrix. Biophysical characterization of these ligand-receptor adhesions helps to unravel the molecular mechanisms driving migration. Traction force microscopy or optical tweezers are typically ...
    Adhesion of Enteroaggregative E. coli Strains to HEK293 Cells
    Authors:  Jorge Luis Ayala-Lujan and Fernando Ruiz-Perez, date: 04/20/2018, view: 4313, Q&A: 0
    [Abstract] Enteroaggregative Escherichia coli (EAEC) is a recognized cause of acute diarrhea among both children and adults worldwide. EAEC strains are characterized by the presence of aggregative adherence fimbriae (AAF), which play a key role in pathogenesis by mediating attachment to the intestinal mucosa and by triggering host inflammatory ...
    Measurement of Mesenchymal Stem Cells Attachment to Endothelial Cells
    Authors:  Shan Wang, Chris D. Madsen and Yaojiong Wu, date: 03/20/2018, view: 4933, Q&A: 1
    [Abstract] Mesenchymal stem cells (MSCs) have shown profound therapeutic potential in tissue repair and regeneration. However, recent studies indicate that MSCs are largely entrapped in lungs after intravenous delivery and die shortly. The underlying mechanisms have been poorly understood. We have provided evidence to show that excess expression and ...
    Quantification of Neisseria meningitidis Adherence to Human Epithelial Cells by Colony Counting
    [Abstract] To cause an infection, the human specific pathogen Neisseria meningitides must first colonize the nasopharynx. Upon tight interaction with the mucosal epithelium, N. meningitidis may cross the epithelial cellular barrier, reach the bloodstream and cause sepsis and/or meningitis. Since N. meningitidis niche is restricted ...
    Using xCELLigence RTCA Instrument to Measure Cell Adhesion
    Authors:  Hellyeh Hamidi, Johanna Lilja and Johanna Ivaska, date: 12/20/2017, view: 8712, Q&A: 0
    [Abstract] Cell adhesion to neighbouring cells and to the underlying extracellular matrix (ECM) is a fundamental requirement for the existence of multicellular organisms. As such, the formation, stability and dissociation of cell adhesions are subject to tight control in space and time and perturbations within the sophisticated adhesion machinery are ...
    Adhesion and Invasion Assay Procedure Using Caco-2 Cells for Listeria monocytogenes
    Authors:  Swetha Reddy and Frank Austin, date: 05/05/2017, view: 11131, Q&A: 0
    [Abstract] Listeria monocytogenes is an important Gram-positive foodborne pathogen that is a particular problem in ready-to-eat food. It has an ability to survive in harsh conditions like refrigeration temperatures and high salt concentrations and is known to cross intestinal, placental and blood-brain barriers. Several cancerous cell lines like ...



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