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JoVE Immunology and Infection
JoVE Immunology and Infection includes content from a variety of fields working toward a shared initiative of improving global health. Techniques evaluating the biological response to pathogens from the molecular to organismal level are presented as well as therapeutic agents and their efficacy in treating disease.
 JoVE Immunology and Infection

Investigating Mast Cell Secretory Granules; from Biosynthesis to Exocytosis

1Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Tel Aviv University, 2Division of Allergy and Immunology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, 3Laboratory of Membrane Trafficking Mechanisms, Department of Developmental Biology and Neurosciences, Graduate School of Life Sciences, Tohoku University


JoVE 52505

The goal of the present protocol was to develop a method that will allow functional genomic analyses of mast cell secretion. The protocol is based on quantitative assessment of the release of a fluorescent reporter gene cotrasfected with the gene of interest and real time analyses of the secretory granule's morphology.

 JoVE Immunology and Infection

Nucleocapsid Annealing-Mediated Electrophoresis (NAME) Assay Allows the Rapid Identification of HIV-1 Nucleocapsid Inhibitors

1Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 2The RNA Institute, SUNY Albany


JoVE 52474

This protocol describes NAME, an assay that allows the rapid identification of molecules able to inhibit in vitro the chaperone activities of HIV-1 nucleocapsid protein.

 JoVE Immunology and Infection

Electroporation of Functional Bacterial Effectors into Mammalian Cells

1Biological Sciences Division, Pacific Northwest National Laboratory, 2Environmental Molecular Science Laboratory, Pacific Northwest National Laboratory, 3Structural Proteomics Group, Ontario Center for Structural Proteomics, University of Toronto, 4Center for Bioproducts and Bioenergy, Washington State University


JoVE 52296

Electroporation was used to insert purified bacterial virulence effector proteins directly into living eukaryotic cells. Protein localization was monitored by confocal immunofluorescence microscopy. This method allows for studies on trafficking, function, and protein-protein interactions using active exogenous proteins, avoiding the need for heterologous expression in eukaryotic cells.

 JoVE Immunology and Infection

Scalable High Throughput Selection From Phage-displayed Synthetic Antibody Libraries

1The Recombinant Antibody Network, 2The Banting and Best Department of Medical Research, University of Toronto, 3Antibiome Center, University of California, San Francisco at Mission Bay, 4Department of Biochemistry and Molecular Biology, The University of Chicago


JoVE 51492

A method is described with visual accompaniment for conducting scalable, high throughput selections from phage-displayed combinatorial synthetic antibody libraries against hundreds of antigens simultaneously. Using this parallel approach, we have isolated antibody fragments that exhibit high affinity and specificity for diverse antigens that are functional in standard immunoassays.

 JoVE Immunology and Infection

Methods to Evaluate Cytotoxicity and Immunosuppression of Combustible Tobacco Product Preparations

1Department of Microbiology and Immunology, Wake Forest University Health Sciences, 2R&D Department, R.J. Reynolds Tobacco Company


JoVE 52351

Using optimized human peripheral blood mononuclear cell (PBMC) ex vivo assays, we showed that a combustible tobacco product preparation markedly suppresses receptor-mediated intracellularly secreted cytokines and cytolytic ability of effector PBMCs. These rapid assays may be useful in product evaluation and understanding the potential long-term effects of tobacco exposure.

 JoVE Immunology and Infection

Analyzing the Effects of Stromal Cells on the Recruitment of Leukocytes from Flow

1School of Clinical and Experimental Medicine, University of Birmingham, 2College of Medical and Dental Sciences, University of Birmingham, 3School of Immunity and Infection, University of Birmingham


JoVE 52480

The ability of inflamed endothelium to recruit leukocytes from flow is regulated by mesenchymal stromal cells. We describe two in vitro models incorporating primary human cells that can be used to assess neutrophil recruitment from flow and examine the role that mesenchymal stromal cells play in regulating this process.

 JoVE Immunology and Infection

Application of Fluorescent Nanoparticles to Study Remodeling of the Endo-lysosomal System by Intracellular Bacteria

1Abteilung Mikrobiologie, Fachbereich Biologie/Chemie, Universität Osnabrück


JoVE 52058

This article describes methods for the synthesis and fluorescent labeling of nanoparticles (NPs). The NPs were applied in pulse-chase experiments to label the endo-lysosomal system of eukaryotic cells. Manipulation of the endo-lysosomal system by activities of the intracellular pathogen Salmonella enterica were followed by live cell imaging and quantified.

 JoVE Immunology and Infection

Complete Thymectomy in Adult Rats with Non-invasive Endotracheal Intubation

1Department of Surgery, Duke University Medical Center, 2Department of Pediatrics, Duke University Medical Center, 3Department of Immunology, Duke University Medical Center


JoVE 52152

Rodent thymectomy is a valuable technique in immunological research. Here, a protocol for complete thymectomy in adult rats using a mini-sternotomy along with non-invasive intubation and positive pressure ventilation to minimize perioperative morbidity and mortality is described.

 JoVE Immunology and Infection

Isolation and Intravenous Injection of Murine Bone Marrow Derived Monocytes

1Department for Cardiology, Angiology and Pneumology, Otto von Guericke University Magdeburg, 2Herzzentrum Dresden, Universitätsklinikum an der Technischen Universität Dresden, Technische Universität Dresden, 3Department of Public Health and Primary Care, University of Cambridge


JoVE 52347

Here we present a protocol that generates large amounts of murine monocytes from heterogeneous bone marrow for translational applications. In comparison to others, this new method helps reduce the number of sacrificed animals and lowers costs by avoiding expensive methods such as high gradient magnetic cell separation (MACS).

 JoVE Immunology and Infection

Normal and Malignant Muscle Cell Transplantation into Immune Compromised Adult Zebrafish

1Molecular Pathology, Cancer Center and Center for Regenerative Medicine, Massachusetts General Hospital, 2Harvard Stem Cell Institute, 3GABBA - Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto


JoVE 52597

Here, we present a protocol for cell transplantation of zebrafish skeletal muscle and embryonal rhabdomyosarcoma (ERMS) into adult immune compromised rag2E450fs homozygous mutant zebrafish. This protocol allows for the efficient analysis of regeneration and malignant transformation of muscle cells.

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