JoVE Immunology and Infection
Enzyme-linked Immunospot Assay (ELISPOT): Quantification of Th-1 Cellular Immune Responses Against Microbial Antigens
1Department of Medicine, Vanderbilt University School of Medicine, 2Department of Microbiology and Immunology, Vanderbilt University School of Medicine
Identification of microbial targets of adaptive immunity in idiopathic diseases can be accomplished by the use of the enzyme-linked immunospot assay.
JoVE Immunology and Infection
Trichuris muris Infection: A Model of Type 2 Immunity and Inflammation in the Gut
1The Biomedical Research Centre, University of British Columbia, 2Department of Pathology and Laboratory Medicine, University of British Columbia
Trichuris muris infection is an intestinal model of Th2 immunity where resistant mice generate a protective Th2 response and susceptible mice generate a pathological Th1 response.
JoVE Bioengineering
Alginate Microcapsule as a 3D Platform for Propagation and Differentiation of Human Embryonic Stem Cells (hESC) to Different Lineages
1Stem Cell Lab, School of Psychiatry, Faculty of Medicine, The University of New South Wales, 2Siriraj Center of Excellence for Stem cell Research, Faculty of Medicine Siriraj Hospital, Mahidol University, 3Neuropsychiatric Institute, Prince of Wales Hospital
We have optimized a microencapsulation technique as an effective 3D platform for propagation and differentiation of embryonic stem cells to endoderm and dopaminergic (DA) neurons. It also provides an opportunity for immune-isolation of cells from the host during transplantation. This platform can be adapted for other cell types.
JoVE Immunology and Infection
Quantitative Measurement of the Immune Response and Sleep in Drosophila
Center for Sleep and Circadian Neurobiology, University of Pennsylvania Perelman School of Medicine
To understand a link between the immune response and behavior, we describe a method to measure locomotor behavior in Drosophila during bacterial infection as well as the ability of flies to mount an immune response by monitoring survival, bacterial load, and real-time activity of a key regulator of innate immunity, NFκB.
JoVE Immunology and Infection
Isolation and Characterization of Dendritic Cells and Macrophages from the Mouse Intestine
1Department of Pediatrics, Emory University, 2Department of Pathology & Laboratory Medicine, Emory University
Here, we detail a methodology for the rapid isolation of mouse intestinal dendritic cells (DCs) and macrophages. Phenotypic characterization of intestinal DCs and macrophages is performed using multi-color flow cytometric analysis while magnetic bead enrichment followed by cell sorting is used to yield highly pure populations for functional studies.
JoVE Immunology and Infection
Infection of Zebrafish Embryos with Intracellular Bacterial Pathogens
1Department of Molecular Cell Biology, Institute of Biology, Leiden University, 2Department of Medical Microbiology and Infection Control, VU University Medical Center, 3Australian Regenerative Medicine Institute, Monash University
Transparent zebrafish embryos have proved useful model hosts to visualize and functionally study interactions between innate immune cells and intracellular bacterial pathogens, such as Salmonella typhimurium and Mycobacterium marinum. Micro-injection of bacteria and multi-color fluorescence imaging are essential techniques involved in the application of zebrafish embryo infection models.
JoVE Immunology and Infection
Establishing a Liquid-covered Culture of Polarized Human Airway Epithelial Calu-3 Cells to Study Host Cell Response to Respiratory Pathogens In vitro
The findings and conclusions in this report are those of the authors and do not necessarily represent the views of the Centers for Disease Control and Prevention.
JoVE Immunology and Infection
Comprehensive & Cost Effective Laboratory Monitoring of HIV/AIDS: an African Role Model
1National Health Laboratory Services (NHLS-SA), 2Department of Molecular Medicine and Haematology, University of Witwatersrand, 3Lightcurve Films
Anti-retroviral therapy to treat HIV/AIDS is monitored in South Africa on a large scale. Flow cytometry is combined for haematology (CD45), immunology (CD4) and viral-load linked CD38 assay. Recorded at NHLS-SA laboratories, Johannesburg, these modern methods are cost-efficient with heightened local internal quality control, serving as role-models for resource-limited diagnostics.
JoVE Neuroscience
Comprehensive Profiling of Dopamine Regulation in Substantia Nigra and Ventral Tegmental Area
Dopamine is distinctly regulated in the midbrain nuclei, which contain the cell bodies and dendrites of the dopamine neurons. Here we describe a dissection and sample-handling approach to maximize results, and thus conclusions and insights, on dopamine regulation in the midbrain nuclei of the substantia nigra (SN) and ventral tegmental area (VTA) in rodents.
JoVE Immunology and Infection
Trans-vivo Delayed Type Hypersensitivity Assay for Antigen Specific Regulation
Department of Surgery, University of Wisconsin-Madison, School of Medicine and Public Health
We describe a valuable diagnostic assay that could potentially be used to decide the withdrawal of immunosuppression after transplant without elevated risk of graft rejection. The assay uses the principles of Delayed Type Hypersensitivity and provides accurate assessment of both donor specific effector and regulatory immune responses mounted by recipients.
JoVE Clinical and Translational Medicine
Mesenteric Artery Contraction and Relaxation Studies Using Automated Wire Myography
1Julius L. Chambers Biomedical/Biotechnology Research Institute, North Carolina Central University, Durham, 2Department of Biology, North Carolina Central University, Durham, 3Department of Physiology & Pharmacology and Hypertension & Vascular Research Center, Wake Forest University School of Medicine
An automated myography method for force measurements in isolated mesenteric arteries is described. It employs a Mulvany-Halpern Auto Dual Wire Myograph 510A to determine responses to phenylephrine and extracellular calcium. The method allows consistent determination of isometric responses to agonists in small vessels of diameters of 60 - 300 μm, independently.
JoVE Immunology and Infection
Rearing and Injection of Manduca sexta Larvae to Assess Bacterial Virulence
Department of Bacteriology, University of Wisconsin-Madison
The method described here utilizes direct injection of entomopathogenic bacteria into the hemocoel of Manduca sexta insect larvae. M. sexta is a commercially available and well-studied insect. Thus, this method represents a simple approach to analyzing host-bacterial interactions from the perspective of one or both partners.
JoVE Immunology and Infection
Genotypic Inference of HIV-1 Tropism Using Population-based Sequencing of V3
Laboratory Program, BC Centre for Excellence in HIV/AIDS
HIV tropism can be inferred from the V3 region of the viral envelope. V3 is PCR amplified in triplicate using nested RT-PCR, sequenced, and interpreted using bioinformatic software. Samples with with 1 or more sequence(s) with low g2P scores are classified as non-R5 virus.
JoVE Neuroscience
Assessing Neurodegenerative Phenotypes in Drosophila Dopaminergic Neurons by Climbing Assays and Whole Brain Immunostaining
Department of Biomolecular Genetics, University of Rochester Medical Center
Here we describe two assays that have been established to study age-dependent neurodegeneration of dopaminergic (DA) neurons in Drosophila: the climbing/startle-induced negative geotaxis assay which allows to study the functional effects of DA neurons degeneration and the tyrosine hydroxylase immunostaining which is used to identify and count DA neurons in whole brain mounts.
JoVE General
Introducing an Angle Adjustable Cutting Box for Analyzing Slice Shear Force in Meat
1Lacombe Research Centre, Agriculture and Agri-Food Canada, 2Grupo de investigación MERAGEM, Universidad de Córdoba, 3Department of Animal Science, University of Nebraska
Slice shear force is a reference method for beef texture analysis. Using an angle adjustable cutting box could increase its accuracy for research purposes. The results from different locations within the longissimus muscle show a high correlation with Warner-Bratzler shear force methodology and high potential adaptability for different muscles.
JoVE Neuroscience
An Optimized Procedure for Fluorescence-activated Cell Sorting (FACS) Isolation of Autonomic Neural Progenitors from Visceral Organs of Fetal Mice
Division of Genetic Medicine, Department of Medicine, Vanderbilt University School of Medicine
An optimized procedure to purify neural crest-derived neuronal progenitors from fetal mouse tissues is described. This method takes advantage of expression from fluorescent reporter alleles to isolate discrete populations by fluorescence-activated cell sorting (FACS). The technique can be applied to isolate neuronal subpopulations throughout development or from adult tissues.
JoVE Immunology and Infection
The Citrobacter rodentium Mouse Model: Studying Pathogen and Host Contributions to Infectious Colitis
Division of Gastroenterology, BC Children's Hospital
Citrobacter rodentium infection provides a valuable model to study enteric bacterial infections as well as host immune responses and colitis in mice. This protocol outlines the measurement of barrier integrity, pathogen load and histological damage allowing for the thorough characterization of pathogen and host contributions to murine infectious colitis.
JoVE Bioengineering
Bioluminescence Imaging for Assessment of Immune Responses Following Implantation of Engineered Heart Tissue (EHT)
1Transplant and Stem Cell Immunobiology Lab (TSI) and CVRC, University Hospital Hamburg, University Heart Center Hamburg, 2Department of Experimental and Clinical Pharmacology and Toxicology, University Heart Center Hamburg, 3CT Surgery, Stanford University School of Medicine
This video demonstrates the use of in vivo bioluminescence imaging to study immune responses after implantation of Engineered Heart Tissue (EHT) in rats.
JoVE Immunology and Infection
Quantitative Assessment of Immune Cells in the Injured Spinal Cord Tissue by Flow Cytometry: a Novel Use for a Cell Purification Method
1Institute for Memory Impairments and Neurological Disorders, University of California, 2Physical Medicine & Rehabilitation, University of California, 3Anatomy & Neurobiology, University of California, 4Sue and Bill Gross Stem Cell Research Center, University of California, 5Section of Molecular Biology, University of California, 6Reeve-Irvine Research Center, University of California
Quantification of cellular inflammation in the injured/pathological CNS by flow cytometry is complicated by lipid/myelin debris that can have similar size and granulation to cells, decreasing sensitivity/accuracy. We have advanced a cell preparation method to remove myelin debris and improve cell detection by flow cytometry in the injured spinal cord.
JoVE Immunology and Infection
An Introduction to Parasitic Wasps of Drosophila and the Antiparasite Immune Response
1Biology Department, The City College of New York, CUNY, 2The Graduate Center, The City University of New York
Parasitoid (parasitic) wasps constitute a major class of natural enemies of many insects including Drosophila melanogaster. We will introduce the techniques to propagate these parasites in Drosophila spp. and demonstrate how to analyze their effects on immune tissues of Drosophila larvae.
JoVE Chemistry
LabVIEW-operated Novel Nanoliter Osmometer for Ice Binding Protein Investigations
1Institute of Biochemistry, Food Science, and Nutrition , The Robert H. Smith Faculty of Agriculture, Food, and Environment, The Hebrew University of Jerusalem, 2Department of Physics and Astronomy, Ohio University
Ice binding proteins (IBPs), also known as antifreeze proteins, inhibit ice growth and are a promising additive for use in the cryopreservation of tissues. The main tool used to investigate IBPs is the nanoliter osmometer. We developed a home-designed cooling stage mounted on an optical microscope and controlled using a custom-built LabVIEW routine. The nanoliter osmometer described here manipulated the sample temperature in an ultra-sensitive manner.
JoVE Immunology and Infection
Facilitating Drug Discovery: An Automated High-content Inflammation Assay in Zebrafish
1Institute for Toxicology and Genetics, Karlsruhe Institute of Technology, Karlsruhe, Germany, 2Institute for Applied Informatics, Karlsruhe Institute of Technology, Karlsruhe, Germany
Here we describe a novel high-content chemically induced inflammation assay aiming at the identification of immune-modulatory bioactives. We have successfully combined automated microscopy with custom developed software scripts enabling automated quantification of the inflammatory response as well as further data processing, analysis, mining, and storage.
JoVE General
A Reversible, Non-invasive Method for Airway Resistance Measurements and Bronchoalveolar Lavage Fluid Sampling in Mice
1Department of Medicine, Baylor College of Medicine (BCM), 2Millenium Premier Group, 3Department of Immunology, Baylor College of Medicine (BCM)
Repeated measurements of rodent respiratory physiology and sampling of airway inflammatory cells are desirable, but generally not feasible. Here we describe a repeatable method for orally intubating mice that permits repeated measurements of airway hyperreactivity and sampling of airway inflammatory cells.
JoVE Clinical and Translational Medicine
Intranasal Administration of CNS Therapeutics to Awake Mice
A method to intranasally administer drugs to awake mice for the purpose of targeting the brain is described. This method allows for repeat dosing over long periods using intranasal administration of drug without anesthesia, and nose-to-brain delivery with minimal systemic exposure.
JoVE Immunology and Infection
Murine Superficial Lymph Node Surgery
1Maisonneuve-Rosemont Hospital Research Center, 2Department of Microbiology and Immunology, University of Montreal, 3Department of Medicine, University of Montreal
To follow the progression of an immune response over time within the same mouse, lymph nodes can be sequentially removed by surgery. Here, we describe how this technique can be performed.
JoVE Immunology and Infection
Isolation of Functional Cardiac Immune Cells
Department of Cell Biology and Anatomy, University of South Carolina- School of Medicine
This method for isolating functional immune cells from the heart provides an alternative to the conventional methods of collagenase digestion, which causes unwanted immune cell activation, resulting in a decreased responsiveness of these cells. Our method of isolation yields functional cardiac immune cells by avoiding problems associated with enzymatic digestion.
JoVE General
An Alternant Method to the Traditional NASA Hindlimb Unloading Model in Mice
1Physical Therapy Department, University of Missouri, Columbia, 2Biomedical Sciences Department, University of Missouri, Columbia
We developed an alternant hindlimb unloading model in mice. The primary advantage of our hindlimb unloading tail-ring method over the conventional Morey-Holton tail-traction technique is a simple straightforward procedure that minimizes stress upon the animal.
JoVE General
Bioluminescence Imaging of Heme Oxygenase-1 Upregulation in the Gua Sha Procedure
1Department of Radiology, Massachusetts General Hospital, Harvard Medical School, 2Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, 3Gastrointestinal Unit, Massachusetts General Hospital, Harvard Medical School, 4Department of Medicine, Massachusetts General Hospital, Harvard Medical School, 5Center for biotechnology and Informatics, The Methodist Hospital Research Institute, 6Department of Radiology, The Methodist Hospital, Weill Cornell Medical College, 7Bejing University of Chinese Medicine, 8Department of Health Technology and Informatics, The Hong Kong Polytechnic University, 9Department of Radiology, Brigham and Women's Hospital, Harvard Medical School
Gua Sha, traditional Chinese therapeutic skin scraping, causes subcutaneous microvascular blood extravasation. We report a protocol of bioluminescence imaging of HO-1-luciferase transgenic mice to demonstrate that Gua Sha upregulates heme oxygenase-1 (HO-1) in multiple organs.
JoVE Immunology and Infection
Measuring Calpain Activity in Fixed and Living Cells by Flow Cytometry
1Immunology, University of Toronto, 2Arthritis and Immune Disorder Research Centre, University Health Network (UHN)
This article will detail the protocol for measuring calpain activity in fixed and living cells using flow cytometry.
JoVE Neuroscience
A Visual Description of the Dissection of the Cerebral Surface Vasculature and Associated Meninges and the Choroid Plexus from Rat Brain
1Division of Neurotoxicology, National Center for Toxicological Research, 2Division of Personalized Nutrition and Medicine, National Center for Toxicological Research, 3Office of Planning, Finance, and Information Technology, National Center for Toxicological Research
This video presentation shows a method of harvesting the two most important highly vascular structures that support forebrain function. They are the cerebral surface (superficial) vasculature along with associated meninges (MAV) and the choroid plexus which are necessary for cerebral blood flow and cerebrospinal fluid (CSF) homeostasis.
JoVE Clinical and Translational Medicine
Immunohistochemical Staining of B7-H1 (PD-L1) on Paraffin-embedded Slides of Pancreatic Adenocarcinoma Tissue
1The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, 2Department of Oncology, The Johns Hopkins University School of Medicine, 3Department of Dermatology, The Johns Hopkins University School of Medicine, 4Department of Surgery, Johns Hopkins University School of Medicine, 5The Sol Goldman Pancreatic Cancer Center, The Johns Hopkins University School of Medicine, 6Yale Cancer Center, Yale School of Medicine, 7The Skip Viragh Center for Pancreatic Cancer, The Johns Hopkins University School of Medicine, 8Department of Pathology, The Johns Hopkins University School of Medicine
B7-H1 (PD-L1) and its binding to PD-1 provide a major tumor-induced immunosuppressive signal in the tumor’s microenvironment. An immunohistochemical staining technique to characterize the expression and localization of B7-H1 in pancreatic adenocarcinoma is described here.
JoVE General
Studying Age-dependent Genomic Instability using the S. cerevisiae Chronological Lifespan Model
Here we describe a set of DNA mutation assays that can be combined with the yeast chronological life span model to study the genes/pathways that regulate or contribute to genomic DNA instability during aging.
JoVE Clinical and Translational Medicine
Pseudofracture: An Acute Peripheral Tissue Trauma Model
1Department of Surgery, University of Pittsburgh, 2Department of Orthopedic Surgery, University of Aachen Medical Center
Pseudofracture, a reproducible murine model of sterile musculoskeletal trauma, allows for evaluation of late term post-traumatic immune responses. This article describes the procedural execution of the model step by step, including the potential for experimental model combinations to permit study of multiple trauma.
JoVE Bioengineering
Adhesion Frequency Assay for In Situ Kinetics Analysis of Cross-Junctional Molecular Interactions at the Cell-Cell Interface
Biomedical Engineering Department, Georgia Institute of Technology
An adhesion frequency assay for measuring receptor-ligand interaction kinetics when both molecules are anchored on the surfaces of the interacting cells is described. This mechanically-based assay is exemplified using a micropipette-pressurized human red blood cell as adhesion sensor and integrin αLβ2 and intercellular adhesion molecule-1 as interacting receptors and ligands.
JoVE Immunology and Infection
Quantitative Imaging of Lineage-specific Toll-like Receptor-mediated Signaling in Monocytes and Dendritic Cells from Small Samples of Human Blood
Department of Internal Medicine, Yale University School of Medicine
We describe use of ImageStream technology (www.amnis.com), which combines quantitative flow cytometry with simultaneous high-resolution digital imaging, to quantify cellular mechanisms of primary immune cells from well-defined patient cohorts. Our studies provide a blueprint for translational investigations to quantify lineage specific cellular responses in small samples from subject cohorts.
JoVE Immunology and Infection
Immuno-fluorescence Assay of Leptospiral Surface-exposed Proteins
1Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, 2Research service, 151, Veterans Affairs Greater Los Angeles Healthcare System, 3Departments of Medicine, Urology at David Geffen School of Medicine and Department of Microbiology, Immunology and Molecular Gentics, University of California Los Angeles (UCLA), 4Division of Infectious Diseases, 111F, Veterans Affairs Greater Los Angeles Health Care System
An efficient method to assess surface-exposure of leptospiral proteins is described. The method is specifically designed to avoid disruption of the fragile outer membrane of leptospiral cells. This technique requires employment of several negative controls to assess the integrity of the outer membrane and specificity of antibody reaction.
JoVE Immunology and Infection
Measuring Bacterial Load and Immune Responses in Mice Infected with Listeria monocytogenes
1St Vincent’s Institute, Department of Medicine, The University of Melbourne, 2Department of Microbiology and Immunology, The University of Melbourne
Listeria monocytogenes is a model organism for studying immune responses and genetic susceptibility to intracellular bacteria in mice. This method enables one to measure bacterial load and generate single-cell suspensions of the liver and spleen from mice for FACS analysis to determine changes in immune cells due to Listeria infection.
JoVE General
Murine Pancreatic Islet Isolation
Diabetes Center, University of California, San Francisco - UCSF
JoVE General
Dissection and 2-Photon Imaging of Peripheral Lymph Nodes in Mice
1Department of Physiology and Biophysics, University of California, Irvine (UCI), 2Department of Neurobiology and Behaviour, University of California, Irvine (UCI)
Two-photon imaging has uncovered lymphocyte motility and cellular interactions within the lymph node under basal conditions and durring an immune response 1. Here, we demonstrate adoptive transfer of T cells, isolation of lymph nodes, and imaging motility of CD4+ T cells in the explanted lymph node.
JoVE General
Using Unfixed, Frozen Tissues to Study Natural Mucin Distribution
1Department of Cellular and Molecular Medicine, University of California, San Diego, 2Biosecurity and Public Health, Los Alamos National Laboratory
Unfixed frozen tissue samples embedded in Optimal Cutting Temperature medium (OCT) can be used to study natural distribution and glycosylation of secreted mucus. In this approach tissue processing is minimal and the natural presentation of glycolipids, mucins and glycan-epitopes is preserved. Tissue sections can be analyzed by immunohistochemistry using fluorescence or chromogenic detection.
JoVE General
A Method for 2-Photon Imaging of Blood Flow in the Neocortex through a Cranial Window
Department of Neurology, University of California, Los Angeles
Cortical blood flow dynamics can be studied in vivo by imaging fluorescent dextran dyes injected into the tail vein of rodents with 2-photon microscopy. This video shows how to image blood flow dynamics in neocortex of mice through a glass-covered cranial window preparation.
JoVE Immunology and Infection
A Protocol for Collecting and Staining Hemocytes from the Yellow Fever Mosquito Aedes aegypti
Department of Biology, University of Richmond
A simplified yet accurate method to collect and stain mosquito hemocytes is described. Our method combines the simplicity of perfusion with the accuracy of high injection techniques to isolate clean preparations of hemocytes in Aedes mosquitoes. This method facilitates studies requiring knowledge of the types of hemocytes and their abundance.
JoVE Clinical and Translational Medicine
Non-invasive Optical Measurement of Cerebral Metabolism and Hemodynamics in Infants
1Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, 2Lab. PALM, Université de Caen Basse-Normandie, 3Fetal-Neonatal Neuroimaging and Developmental Science Center, Boston Children's Hospital, Harvard Medical School, 4ISS, INC.
We combined frequency-domain near-infrared spectroscopy measures of cerebral hemoglobin oxygenation with diffuse correlation spectroscopy measures of cerebral blood flow index to estimate an index of oxygen metabolism. We tested the utility of this measure as a bedside screening tool to evaluate the health and development of the newborn brain.
JoVE Immunology and Infection
Isolation of Lymphocytes from Mouse Genital Tract Mucosa
1Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California, Los Angeles, 2California NanoSystems
An efficient way to isolate lymphocytes from mouse genital tract is described. This method takes advantage of enzyme digestion and Percoll gradient separation to allow efficient isolation. This technique is also adaptable to for use in other species
JoVE Immunology and Infection
Analysis of Pulmonary Dendritic Cell Maturation and Migration during Allergic Airway Inflammation
1Stem Cell and Cancer Research Institute, McMaster University, Hamilton, 2Physiology and Experimental Medicine Research Program, Hospital for Sick Children, University of Toronto
We describe a strategy to monitor maturation and migration of pulmonary dendritic cells in response to ovalbumin in the setting of ovalbumin induced allergic airway inflammation. This strategy can be modified to assess migration of pulmonary dendritic cells in settings of infection.
JoVE Clinical and Translational Medicine
Processing of Human Reduction Mammoplasty and Mastectomy Tissues for Cell Culture
Life Science Division, Lawrence Berkeley National Laboratory
A method to process human mammary surgical discard material is described. Processed tissue, in the form of organoids, can be stored frozen indefinitely or placed in culture for long-term growth. This method enables experimental examination of normal human epithelial cell biology, and the effects of exogenous perturbations.
JoVE Neuroscience
Analyzing Murine Schwann Cell Development Along Growing Axons
1Department of Molecular Embryology, Institute of Anatomy and Cell Biology, University of Freiburg, 2Department of Neuroanatomy, University of Heidelberg, 3FRIAS, University of Freiburg
Here we describe a Schwann cell (SC) migration assay in which SCs are able to develop along extending axons.
JoVE Immunology and Infection
Parasite Induced Genetically Driven Autoimmune Chagas Heart Disease in the Chicken Model
Chagas Disease Multidisciplinary Research Laboratory, University of Brasilia
The inoculation of Trypanosoma cruzi in fertile eggs prior to incubation renders the parasite kDNA minicircle integration in embryo cells genome. Crossbreeding reveals the vertical transfer of the mutations to progeny. The kDNA integrates into coding regions at several chromosomes and the chickens die with an inflammatory autoimmune heart disease.
JoVE Bioengineering
Skin Tattooing As A Novel Approach For DNA Vaccine Delivery
1Department of Biochemistry and Molecular Pharmacology, New York University School of Medicine, 2Department of Pathology, New York University School of Medicine, 3Healthcare System, Veterans Affairs New York Harbor
Skin tattooing is a potent and safe way to delivery DNA vaccine intradermally. Here, a DNA plasmid encoding EGFP is delivered by tattooing to the skin of a laboratory mouse, and the expression of EGFP in the skin cells is then inspected by confocal microscopy.
JoVE Clinical and Translational Medicine
Live Imaging of Drug Responses in the Tumor Microenvironment in Mouse Models of Breast Cancer
1Watson School of Biological Sciences, 2Cold Spring Harbor Laboratory, 3Departments of Medical Genetics, University of Oslo and Oslo University Hospital
We describe a method for imaging response to anti-cancer treatment in vivo and at single cell resolution.
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