Cell Biology

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    Protocols in Current Issue
    Isolation of Tumor Cells Based on Their Distance from Blood Vessels
    Authors:  Saran Kumar, Husni Sharife, Tirzah Kreisel, Libat Bar-Lev, Myriam Grunewald and Eli Keshet, date: 05/20/2020, view: 274, Q&A: 0
    Differential exposure of tumor cells to microenvironmental cues greatly impacts cell phenotypes, raising a need for position based sorting of tumor cells amenable to multiple OMICs and functional analyses. One such key determinant of tumor ...
    Analysis of Generalized Fibrosis in Mouse Tissue Sections with Masson’s Trichrome Staining
    Authors:  Diantha van de Vlekkert, Eda Machado and Alessandra d’Azzo, date: 05/20/2020, view: 228, Q&A: 0
    Expansion of fibrous connective tissue and abnormal deposition of extracellular matrix (ECM) are at the basis of many fibrotic diseases. Fibrosis can occur in response to both physiological and pathological cues, including wound healing, tissue ...
    Flow Cytometry Analysis and Fluorescence-activated Cell Sorting of Myeloid Cells from Lung and Bronchoalveolar Lavage Samples from Mycobacterium tuberculosis-infected Mice
    Authors:  Alissa C. Rothchild, Dat Mai, Alan Aderem and Alan H. Diercks, date: 05/20/2020, view: 336, Q&A: 0
    Mycobacterium tuberculosis (Mtb) is transmitted by aerosol and can cause serious bacterial infection in the lung that can be fatal if left untreated. Mtb is now the leading cause of death worldwide by an infectious agent. Characterizing ...
    Direct Reprogramming of Mouse Embryonic Fibroblasts to Conventional Type 1 Dendritic Cells by Enforced Expression of Transcription Factors
    Authors:  Fábio F. Rosa, Cristiana F. Pires, Olga Zimmermannova and Carlos-Filipe Pereira, date: 05/20/2020, view: 360, Q&A: 0
    Ectopic expression of transcription factor combinations has been recently demonstrated to reprogram differentiated somatic cells towards the dendritic cell (DC) lineage without reversion to a multipotent state. DCs have the ability to induce potent ...
    Pancreatic Acinar Cell Preparation for Oxygen Consumption and Lactate Production Analysis
    Authors:  Jane A. Armstrong, Robert Sutton and David N. Criddle, date: 05/20/2020, view: 212, Q&A: 0
    Mitochondrial dysfunction is a principal feature of acute pancreatitis (AP) although the underlying mechanisms are still unclear. AP precipitants induce Ca2+-dependent formation of the mitochondrial permeability transition pore (MPTP) in ...
    Spatial Image Correlation Spectroscopy (ICS): A Technique for Average Size Determination of Subcellular Accumulated Structures from Fluorescence Microscopic Images
    Authors:  Akira Kitamura and Masakata Kinjo, date: 05/20/2020, view: 231, Q&A: 0
    Size determination of subcellular structures such as inclusion bodies (IBs) and granules from fluorescent images is important for identification and structural characterization. However, it is often time-consuming just for the comparison of the ...
    Isolation of Tumor Cells Based on Their Distance from Blood Vessels
    Authors:  Saran Kumar, Husni Sharife, Tirzah Kreisel, Libat Bar-Lev, Myriam Grunewald and Eli Keshet, date: 05/20/2020, view: 274, Q&A: 0
    [Abstract] Differential exposure of tumor cells to microenvironmental cues greatly impacts cell phenotypes, raising a need for position based sorting of tumor cells amenable to multiple OMICs and functional analyses. One such key determinant of tumor heterogeneity in solid tumors is its vasculature. Proximity to blood vessels (BVs) profoundly affects tumor ...
    Analysis of Generalized Fibrosis in Mouse Tissue Sections with Masson’s Trichrome Staining
    Authors:  Diantha van de Vlekkert, Eda Machado and Alessandra d’Azzo, date: 05/20/2020, view: 228, Q&A: 0
    [Abstract] Expansion of fibrous connective tissue and abnormal deposition of extracellular matrix (ECM) are at the basis of many fibrotic diseases. Fibrosis can occur in response to both physiological and pathological cues, including wound healing, tissue remodeling/repair and inflammation. Chronic fibrosis can lead to severe tissue damage, organ failure and ...
    Flow Cytometry Analysis and Fluorescence-activated Cell Sorting of Myeloid Cells from Lung and Bronchoalveolar Lavage Samples from Mycobacterium tuberculosis-infected Mice
    Authors:  Alissa C. Rothchild, Dat Mai, Alan Aderem and Alan H. Diercks, date: 05/20/2020, view: 336, Q&A: 0
    [Abstract] Mycobacterium tuberculosis (Mtb) is transmitted by aerosol and can cause serious bacterial infection in the lung that can be fatal if left untreated. Mtb is now the leading cause of death worldwide by an infectious agent. Characterizing the early events of in vivo infection following aerosol challenge is critical for ...
    Direct Reprogramming of Mouse Embryonic Fibroblasts to Conventional Type 1 Dendritic Cells by Enforced Expression of Transcription Factors
    Authors:  Fábio F. Rosa, Cristiana F. Pires, Olga Zimmermannova and Carlos-Filipe Pereira, date: 05/20/2020, view: 360, Q&A: 0
    [Abstract] Ectopic expression of transcription factor combinations has been recently demonstrated to reprogram differentiated somatic cells towards the dendritic cell (DC) lineage without reversion to a multipotent state. DCs have the ability to induce potent and long-lasting adaptive immune responses. In particular, conventional type 1 DCs (cDC1s) excel on ...
    Pancreatic Acinar Cell Preparation for Oxygen Consumption and Lactate Production Analysis
    Authors:  Jane A. Armstrong, Robert Sutton and David N. Criddle, date: 05/20/2020, view: 212, Q&A: 0
    [Abstract] Mitochondrial dysfunction is a principal feature of acute pancreatitis (AP) although the underlying mechanisms are still unclear. AP precipitants induce Ca2+-dependent formation of the mitochondrial permeability transition pore (MPTP) in pancreatic acinar cells (PACs), leading to ATP depletion and necrosis. Evaluations of mitochondrial ...
    Spatial Image Correlation Spectroscopy (ICS): A Technique for Average Size Determination of Subcellular Accumulated Structures from Fluorescence Microscopic Images
    Authors:  Akira Kitamura and Masakata Kinjo, date: 05/20/2020, view: 231, Q&A: 0
    [Abstract] Size determination of subcellular structures such as inclusion bodies (IBs) and granules from fluorescent images is important for identification and structural characterization. However, it is often time-consuming just for the comparison of the average size of the structures. Here, we introduce a high-throughput procedure to represent the average ...
    Evaluation of B Cell Proliferation in vivo by EdU Incorporation Assay
    Authors:  Adi Biram and Ziv Shulman, date: 05/05/2020, view: 564, Q&A: 0
    [Abstract] Generation of antibodies is crucial for establishing enduring protection from invading pathogens, as well as for maintaining homeostasis with commensal bacteria at mucosal surfaces. Chronic exposure to microbiota- and dietary- derived antigens results in continuous production of antibody producing cells within the Peyer’s patch germinal center ...
    A Sensitive Coupled Enzyme Assay for Measuring Kinase and ATPase Kinetics Using ADP-Specific Hexokinase
    Authors:  Ciaran R. McFarlane and James W. Murray, date: 05/05/2020, view: 412, Q&A: 0
    [Abstract] Kinases and ATPases perform essential biological functions in metabolism and regulation. Activity of these enzymes is commonly measured by coupling ATP consumption to the synthesis of a detectable product. For most assay systems the ATP concentration during the reaction is unknown, compromising the precision of the assay.

    Using the ...
    Application of Mechanical Forces on Drosophila Embryos by Manipulation of Microinjected Magnetic Particles
    Authors:  Arturo D’Angelo and Jérôme Solon, date: 05/05/2020, view: 447, Q&A: 0
    [Abstract] Cells generate mechanical forces to shape tissues during morphogenesis. These forces can activate several biochemical pathways and trigger diverse cellular responses by mechano-sensation, such as differentiation, division, migration and apoptosis. Assessing the mechano-responses of cells in living organisms requires tools to apply controlled local ...
    Live Cell Imaging of Male Meiosis in Arabidopsis by a Landmark-based System
    [Abstract] Live cell imaging has tremendously promoted our understanding of cellular and subcellular processes such as cell division. Here, we present a step-by-step protocol for a robust and easy-to-use live cell imaging approach to study male meiosis in the plant Arabidopsis thaliana as recently established. Our method relies on the concomitant ...



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