Immunology

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    Characterization of the Elasticity of CD4+ T Cells: An Approach Based on Peak Force Quantitative Nanomechanical Mapping
    Authors:  Philipp Jung, Xiangda Zhou, Sandra Iden, Bin Qu and Markus Bischoff, date: 04/20/2022, view: 709, Q&A: 0

    CD4+ T cells are essential players in orchestrating the specific immune response against intracellular pathogens, and in inhibiting tumor development in an early stage. The activation of T cells is triggered by engagement of T cell receptors (TCRs).

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    An Optimized Tat/Rev Induced Limiting Dilution Assay for the Characterization of HIV-1 Latent Reservoirs

    The administration of antiretroviral therapy (ART) leads to a rapid reduction in plasma viral load in HIV-1 seropositive subjects. However, when ART is suspended, the virus rebounds due to the presence of a latent viral reservoir. Several techniques

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    Identification of SARS-CoV-2 Neutralizing Antibody with Pseudotyped Virus-based Test on HEK-293T hACE2 Cells

    Neutralizing antibodies (NAbs) are of particular importance because they can prevent binding of the receptor binding domain (RBD) of the spike protein (S protein) to the angiotensin-converting enzyme 2 (ACE2) receptor present at the surface of

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    A Mouse Infection Model with a Wildtype Salmonella enterica Serovar Typhimurium Strain for the Analysis of Inflammatory Innate Immune Cells
    Authors:  Christa Pfeifhofer-Obermair, Natascha Brigo, Piotr Tymoszuk and Günter Weiss, date: 04/05/2022, view: 322, Q&A: 0

    Salmonella enterica serovar Typhimurium (S. Typhimurium) is a Gram-negative, facultative intracellular bacterium, which causes gastrointestinal disorders in humans, and systemic, typhoid fever-like infections in mice. Our current knowledge regarding

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    Differentiation of Human Induced Pluripotent Stem Cell into Macrophages
    Authors:  Harriet Douthwaite, Aitor Bermejo Arteagabeitia and Subhankar Mukhopadhyay, date: 03/20/2022, view: 823, Q&A: 0

    As a model to interrogate human macrophage biology, macrophages differentiated from human induced pluripotent stem cells (hiPSCs) transcend other existing models by circumventing the variability seen in human monocyte-derived macrophages, whilst

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    CD8 T Cell Virus Inhibition Assay Protocol

    The human immunodeficiency virus (HIV)-1 viral inhibition assay (VIA) measures CD8+ T cell-mediated inhibition of HIV replication in CD4+ T cells and is increasingly used for clinical testing of HIV vaccines and immunotherapies. Different VIAs that

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    Electrophysiological Measurements of Isolated Blood Vessels
    Authors:  Samuel A Molina, Daniela Maier-Begandt, Brant E Isakson and Michael Koval, date: 03/20/2022, view: 415, Q&A: 0

    The lumen of blood vessels is covered by endothelial cells, which regulate their permeability to ions and solutes. Endothelial permeability depends on the vascular bed and cell phenotype, and is influenced by different disease states. Most

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    Restimulation-Induced Cell Death (RICD): Methods for Modeling, Investigating, and Quantifying RICD Sensitivity in Primary Human T Cells via Flow Cytometric Analysis
    Authors:  Katherine Pohida, Camille M. Lake, Debra Yee and Andrew L. Snow, date: 02/20/2022, view: 1029, Q&A: 0

    When the body mounts an immune response against a foreign pathogen, the adaptive arm of the immune system relies upon clonal expansion of antigen-specific T cell populations to exercise acquired effector and cytotoxic functions to clear it. However,

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    Investigation of Microvesicle Uptake by Mouse Lung-marginated Monocytes in vitro
    Authors:  Ying Ying Tan, Kieran P. O'Dea, Brijesh V. Patel and Masao Takata, date: 02/05/2022, view: 1460, Q&A: 0

    Extracellular microvesicles (MVs) are released into the circulation in large numbers during acute systemic inflammation, yet little is known of their intravascular cell/tissue-specific interactions under these conditions. We recently described a

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    Efficient Method to Differentiate Mouse Embryonic Stem Cells into Macrophages in vitro
    Authors:  Qimin Hai, Juying Han, Sophia Wells and Jonathan D. Smith, date: 02/05/2022, view: 1334, Q&A: 0

    Macrophages are key cells in the innate immune system and play a role in a variety of diseases. However, macrophages are terminally differentiated and difficult to manipulate genetically via transfection or through CRISPR-Cas9 gene editing. To

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