JoVE General
Visualizing Antigen Specific CD4+ T Cells using MHC Class II Tetramers
1Tetramer Core Laboratory, Benaroya Research Institute, 2Kwok Laboratory, Benaroya Research Institute, 3Nepom Laboratory, Benaroya Research Institute
This procedure demonstrates the purification and in vitro expansion of antigen specific CD4+ T cells from whole peripheral blood and their visualization using MHC class II tetramers. Tetramers permit the direct visualization of T cells with a single antigen specificity and defined MHC class II restriction.
JoVE Immunology and Infection
Human T Lymphocyte Isolation, Culture and Analysis of Migration In Vitro
Center for Vaccine Biology and Immunology, University of Rochester
T lymphocyte migration occurs during homing to lymphoid organs, exit from the vasculature, and entering into peripheral tissues. Here, we describe a protocol that can be used to analyze T lymphocyte migration in vitro.
JoVE Immunology and Infection
Purification of Specific Cell Population by Fluorescence Activated Cell Sorting (FACS)
Blood Research Institute, BloodCenter of Wisconsin
For many scientific studies requiring a biological and chemical analysis of cell populations the cells must be in a high state of purity. Fluorescence activated cell sorting (FACS) is a superior method in which to obtain pure cell populations.
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 Editorial
JoVE 8th Issue
JoVE Clinical and Translational Medicine
The α-test: Rapid Cell-free CD4 Enumeration Using Whole Saliva
1Department of Medicine, Weill Cornell Medical College, 2Department of Oral Biology, University of Missouri-Kansas City-School of Dentistry, 3Department of Pharmacology and Toxicology, University of Missouri Kansas City- School of Pharmacy, 4Regional Hospital, Bamenda, NWP, Cameroon, 5Mezam Polyclinic HIV/AIDS Treatment Center, Cameroon, 6Institute for Human Genetics and Biochemistry
A CD4 enumeration method, the α-test, is described which uses whole saliva to provide rapid and accurate CD4 counts. The α-test costs pennies and eliminates the need for technical training, costly reagents such as monoclonal antibodies, instrumentation, refrigeration, transport of samples, as well as collection and handling of blood.
JoVE Immunology and Infection
Generation of Induced Regulatory T Cells from Primary Human Naïve and Memory T Cells
Department of Microbiology, Immunology and Molecular Genetics, University of Kentucky
We describe a method for generating regulatory, memory and naïve T cells from a single human blood donor. Polarized Tregs can be then compared to other subsets in a variety of genetic and functional applications with genetic homogeneity, including a suppression assay also detailed here.
JoVE Immunology and Infection
Visualizing Cell-to-cell Transfer of HIV using Fluorescent Clones of HIV and Live Confocal Microscopy
1Division of Infectious Diseases, Department of Medicine, Immunology Institute, Mount Sinai School of Medicine, 2NSF Center for Biophotonics, University of California, Davis, 3Structural and Computational Biology Unit, European Molecular Biology Laboratory
This visualized experiment is a guide for utilizing a fluorescent molecular clone of HIV for live confocal imaging experiments.
JoVE Immunology and Infection
Accelerated Type 1 Diabetes Induction in Mice by Adoptive Transfer of Diabetogenic CD4+ T Cells
Department of Microbiology & Immunology, Pennsylvania State University College of Medicine
We provide a reproducible method to induce type 1 diabetes (T1D) in mice within two weeks by the adoptive transfer of islet antigen-specific, primary CD4+ T cells.
JoVE Immunology and Infection
Preparation and Use of HIV-1 Infected Primary CD4+ T-Cells as Target Cells in Natural Killer Cell Cytotoxic Assays
Department of Immunology and Microbiology, Rush University Medical Center
Cytotoxicity assays to measure natural killer cell lytic responses to HIV-infected cells is limited by the purity of the target cells. We demonstrate here the isolation of a highly purified population of HIV-1 infected primary T-cell blasts by taking advantage of HIV-1 s ability to down-modulate CD4.
JoVE Immunology and Infection
Multicolor Flow Cytometry Analyses of Cellular Immune Response in Rhesus Macaques
1Department of Immunology, MD Anderson Cancer Center - University of Texas, 2Department of Medicine, University of Miami
We demonstrate the utility of multicolor flow cytometry for detailed phenotypic and functional characterization of total as well as memory subsets of CD4+ and CD8+ T cells in rhesus macaques, the ideal model for HIV/AIDS vaccine studies.
JoVE Immunology and Infection
Ex vivo Expansion of Tumor-reactive T Cells by Means of Bryostatin 1/Ionomycin and the Common Gamma Chain Cytokines Formulation
1Department of Microbiology & Immunology, Virginia Commonwealth University- Massey Cancer Center, 2Department of Internal Medicine, Virginia Commonwealth University- Massey Cancer Center, 3Department of Surgery, Virginia Commonwealth University- Massey Cancer Center
An efficient protocol for the ex vivo expansion of tumor-reactive T cells from tumor-draining lymph nodes or other secondary lymphoid tissues of tumor-bearing hosts is described. This protocol selectively expands tumor-specific T cells for use in adoptive immunotherapy of breast cancer.
JoVE Immunology and Infection
Directed Differentiation of Induced Pluripotent Stem Cells towards T Lymphocytes
Department of Microbiology and Immunology, Pennsylvania State University College of Medicine
Generation of T lymphocytes from induced pluripotent stem (iPS) cells gives an alternative approach of using embryonic stem cells for T cell-based immunotherapy. The method shows that by utilizing either in vitro or in vivo induction system, iPS cells are able to differentiate into both conventional and antigen-specific T lymphocytes.
JoVE General
Detection and Isolation of Viable Mouse IL-17-Secreting T Cells
This procedure describes the detection and isolation of mouse TH17 leukocytes that actively secrete IL-17 upon stimulation.
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 Immunology and Infection
Derivation of Thymic Lymphoma T-cell Lines from Atm-/- and p53-/- Mice
Department of Biomedical Sciences, Cornell University
In this video we demonstrate a protocol to establish mouse thymic lymphoma cell lines. By following this protocol, we have successfully established several T-cell lines from Atm-/- and p53-/- mice with thymic lymphoma.
JoVE Immunology and Infection
Competitive Homing Assays to Study Gut-tropic T Cell Migration
Gastrointestinal Unit, Massachusetts General Hospital, Harvard Medical School
Competitive homing experiments allow to directly assessing the migratory properties of two different cell populations in a single mouse. Here we illustrate this procedure by comparing the migration of ex vivo-generated gut-tropic versus non-gut tropic T cells.
JoVE Immunology and Infection
Human In Vitro Suppression as Screening Tool for the Recognition of an Early State of Immune Imbalance
1Department of Pediatrics/Allergy, Medical College of Wisconsin, 2Flow Cytometry Core Facility, Medical College of Wisconsin, 3Max McGee National Research Center for Juvenile Diabetes and Human Molecular Genetics Center, Medical College of Wisconsin
Tregs are potent suppressors of the immune system. There is a lack of unique surface markers to define them, hence, definitions of Tregs are primarily functional. Here we describe an optimized in vitro assay capable of identifying immune imbalance in subjects at risk to develop T1D.
JoVE Immunology and Infection
Clinical Application of Sleeping Beauty and Artificial Antigen Presenting Cells to Genetically Modify T Cells from Peripheral and Umbilical Cord Blood
1Division of Pediatrics, U.T. MD Anderson Cancer Center, 2Department of Stem Cell Transplantation and Cellular Therapy, U.T. MD Anderson Cancer Center
T cells expressing a CD19-specific chimeric antigen receptor (CAR) are infused as investigational treatment of B-cell malignancies in our first-in-human gene therapy trials. We describe genetic modification of T cells using the Sleeping Beauty (SB) system to introduce CD19-specific CAR and selective propagation on designer CD19+ artificial antigen presenting cells.
JoVE General
Optimized Staining and Proliferation Modeling Methods for Cell Division Monitoring using Cell Tracking Dyes
1Department of Flow and Image Cytometry, Roswell Park Cancer Institute, 2Flow Cytometry & Cell Sorting Resource Laboratory, University of Pennsylvania, 3SciGro, Inc., 4Department of Pathology and Laboratory Medicine, University of Pennsylvania
Successful use of cell tracking dyes to monitor immune cell function and proliferation involves several critical steps. We describe methods for: 1) obtaining bright, uniform, reproducible label-ing with membrane dyes; 2) selecting fluorochromes and data acquisition conditions; and 3) choosing a model to quantify cell proliferation based on dye dilution.
JoVE Immunology and Infection
Generation of Multivirus-specific T Cells to Prevent/treat Viral Infections after Allogeneic Hematopoietic Stem Cell Transplant
Center for Cell and Gene Therapy, Baylor College of Medicine
A rapid, simple and cost-effective protocol for the generation of donor-derived multivirus-specific CTLs (rCTL) for infusion to allogeneic hematopoietic stem cell transplant (HSCT) recipients at risk of developing CMV, Adv or EBV infections. This manufacturing process is GMP-compliant and should ensure the broader implementation of T-cell immunotherapy beyond specialized centers.
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
Peptide:MHC Tetramer-based Enrichment of Epitope-specific T cells
This protocol describes the use of peptide:MHC tetramers and magnetic microbeads to isolate low frequency populations of epitope-specific T cells and analyze them by flow cytometry. This method enables the direct study of endogenous T cell populations of interest from in vivo experimental systems.
JoVE General
Isolation & Characterization of Hoechstlow CD45negative Mouse Lung Mesenchymal Stem Cells
1Charles C. Gates Regenerative Medicine and Stem Cell Biology Program, University of Colorado Denver, 2Department of Medicine, University of Colorado Denver, 3Cancer Center, University of Colorado Denver, 4Webb Waring Institute, University of Colorado Denver
In this article we demonstrate the isolation of murine resident lung mesenchymal stem cells (lung MSC), their expansion, characterization and analysis of immunomodulatory properties.
JoVE Immunology and Infection
Expanding Cytotoxic T Lymphocytes from Umbilical Cord Blood that Target Cytomegalovirus, Epstein-Barr Virus, and Adenovirus
1Center for Cell and Gene Therapy, Baylor College of Medicine, 2Pathology and Immunology, Baylor College of Medicine, 3Department of Stem Cell Transplantation and Cellular Therapy, University of Texas M.D. Anderson Cancer Center, 4Medicine, Baylor College of Medicine, 5Department of Pediatrics, Baylor College of Medicine
Here we describe the first good manufacturing practice (GMP)-compliant method of producing virus-specific cytotoxic T lymphocytes (CTL) from umbilical cord blood, a source of predominantly naîve T cells.
JoVE General
Phenotypic Analysis and Isolation of Murine Hematopoietic Stem Cells and Lineage-committed Progenitors
1Institute for Research in Biomedicine, Bellinzona (Switzerland), 2Dipartimento di Biologia e Genetica per le Scienze Mediche, Universitá degli Studi di Milano
A method to analyse the distribution of bone marrow hematopoietic progenitors in flow cytometry as well as to efficiently isolate highly purified hematopoietic stem cells (HSCs) is described. The isolation procedure is essentially based on magnetic enrichment of c-Kit+ cells and cell sorting to purify HSCs for cellular and molecular studies.
JoVE Immunology and Infection
piggyBac Transposon System Modification of Primary Human T Cells
1Program in Translational Biology and Molecular Medicine, Baylor College of Medicine, 2Department of Medicine, Division of Nephrology, Baylor College of Medicine, 3Department of Immunology and Pathology, Shinshu University School of Medicine, 4Center for Cell and Gene Therapy, Baylor College of Medicine, 5Department of Pediatrics, Baylor College of Medicine, 6Program in Cell and Molecular Biology, Baylor College of Medicine, 7Department of Molecular Virology and Microbiology, Baylor College of Medicine, 8Michael E. DeBakey VA Medical Center
We describe a method to genetically modify primary human T cells with a transgene using the non-viral piggyBac transposon system. T cells modified to using the piggyBac transposon system exhibit stable transgene expression.
JoVE Immunology and Infection
Imaging of HIV-1 Envelope-induced Virological Synapse and Signaling on Synthetic Lipid Bilayers
1Department of Pathology, New York University Langone School of Medicine, 2Program in Molecular Pathogenesis, Marty and Helen Kimmel Center for Biology and Medicine and Skirball Institute for Biomolecular Medicine, 3Laboratory of Molecular Immunogenetics, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, 4Veteran Affairs New York Harbor Healthcare System
This article describes a method to visualize formation of an HIV-1 envelope-induced virological synapse on glass supported planar bilayers by total internal reflection fluorescence (TIRF) microscopy. The method can also be combined with immunofluorescence staining to detect activation and redistribution of signaling molecules that occur during HIV-1 envelope-induced virological synapse formation.
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
Expansion of Human Peripheral Blood γδ T Cells using Zoledronate
1Department of Immunotherapeutics (Medinet), University of Tokyo Hospital, 2MEDINET Co., Ltd
A method to expand γδ T cells from peripheral blood mononuclear cells (PBMC) is described. PBMC-derived γδ T cells are stimulated and expanded using zoledronate and interleukin-2 (IL-2). Large scale expansion of γδ T cells can be applied to autologous cellular immunotherapy of cancer.
JoVE General
In-vivo Detection of Protein-protein Interactions on Micro-patterned Surfaces
Institute of Biophysics, Johannes Kepler Universitat Linz
This video shows experiments with subsequent analysis of protein-protein interactions by the use of micro-patterned surfaces. The approach offers the possibility to detect protein interactions in living cells and combines high throughput capabilities with the possibility to extract quantitative information.
JoVE Immunology and Infection
Transnuclear Mice with Pre-defined T Cell Receptor Specificities Against Toxoplasma gondii Obtained Via SCNT
1 , Whitehead Institute for Biomedical Research, 2Departments of Microbiology and Biological Sciences, National University of Singapore, 3Department of Biology, Massachusetts Institute of Technology
We demonstrate here that epigenetic reprogramming via Somatic Cell Nuclear Transfer (SCNT) can be used as a tool to generate mouse models with pre-defined T cell receptor (TCR) specificities. These transnuclear mice express the corresponding TCR from their endogenous locus under the control of the endogenous promoter.
JoVE Immunology and Infection
Specific Marking of HIV-1 Positive Cells using a Rev-dependent Lentiviral Vector Expressing the Green Fluorescent Protein
We have developed a lentiviral vector that possesses, in addition to the Tat-responsive LTR, the Rev-response element (RRE) that can regulate reporter gene expression in an HIV-1 Tat- and Rev-dependent fashion. The vector permits the specific detection of replicating HIV in living cells via the expression of GFP.
JoVE General
Generation of Bone Marrow Derived Murine Dendritic Cells for Use in 2-photon Imaging
1Department of Physiology and Biophysics, University of California, Irvine (UCI), 2Department of Neurobiology and Behaviour, University of California, Irvine (UCI)
Antigen presentation in secondary lymphoid organs by dendritic cells is crucial for the initiation of the T cell mediated adaptive immune response. Here we demonstrate the culture of bone marrow derived murine dendritic cells, activation, and labeling for 2-photon imaging.
JoVE Immunology and Infection
Examination of Thymic Positive and Negative Selection by Flow Cytometry
Department of Medical Microbiology and Immunology, University of Alberta
We present a flow cytometry-based method to examine T cell development in vivo using genetically manipulated mice on a wildtype or T cell receptor transgenic background.
JoVE Clinical and Translational Medicine
Cecal Ligation Puncture Procedure
1Department of Microbiology and Immunology School of Medicine, Temple University, 2Department of Biochemistry, School of Medicine, Temple University
The mouse model of cecal ligation and puncture as a valuable tool for the study of human sepsis.
JoVE Immunology and Infection
An Orthotopic Model of Serous Ovarian Cancer in Immunocompetent Mice for in vivo Tumor Imaging and Monitoring of Tumor Immune Responses
1Penn Ovarian Cancer Research Center, Center for Research on Reproduction and Womans Health, Department of Obstetrics and Gynecology, University of Pennsylvania-School of Medicine, 2Women's Cancer Program, Fox Chase Cancer Center
To study in vivo tumor growth and tumor microenvironment, we used a syngeneic and orthotopic mouse model of ovarian cancer in immunocompetent animals. We transduced a mouse tumor cell line (MOV1) with Katushka fluorescent protein (MOV1KAT) and here we show its orthotopic implantation in ovary and in vivo imaging.
JoVE Immunology and Infection
Finger-stick Blood Sampling Methodology for the Determination of Exercise-induced Lymphocyte Apoptosis
1Department of Kinesiology, Recreation, and Sport, Western Kentucky University, 2Department of Health and Human Performance, University of Houston
Exercise is capable of inducing apoptosis in immune cells. There are various measurement limitations, particularly relating to the amount of time required to isolate and treat a blood sample prior to the assessment. Demonstrated is a rapid and minimally invasive procedure for the analysis of exercise-induced lymphocyte apoptosis.
JoVE Immunology and Infection
Isolation and Analysis of Brain-sequestered Leukocytes from Plasmodium berghei ANKA-infected Mice
The Walter and Eliza Hall Institute of Medical Research
A method for isolation of adherent inflammatory leukocytes from brain blood vessels of Plasmodium berghei ANKA-infected mice is described. The method allows quantification as well as phenotypic characterization of isolated leukocytes after staining with fluorescent antibodies and subsequent analysis by flow cytometry.
JoVE General
Isolation and Transplantation of Hematopoietic Stem Cells (HSCs)
JoVE Immunology and Infection
Intravital Imaging of the Mouse Thymus using 2-Photon Microscopy
Laboratory of Immune Regulation, Instituto Gulbenkian de Ciência
We have developed novel laboratory tools and protocols for intravital imaging acquisition of the thymus. Our technique should help in the identification of “niches” within the thymus where T cell development occurs.
JoVE Immunology and Infection
HLA-Ig Based Artificial Antigen Presenting Cells for Efficient ex vivo Expansion of Human CTL
1Immunology Graduate Program, Johns Hopkins University, 2Department of Internal Medicine, Far-Eastern Memorial Hospital, 3Department of Pathology, Johns Hopkins University, 4Institute of Cell Engineering, Johns Hopkins University
A new DC independent method for induction and expansion of antigen-specific T cells is described. HLA A2-Ig based artificial Antigen Presenting Cells (aAPC) are loaded with HLA-A2 restricted peptides to efficiently expand CTL of diverse antigen specificity. This technology holds great potential for CTL-based adoptive immunotherapy.
JoVE Clinical and Translational Medicine
The CYP2D6 Animal Model: How to Induce Autoimmune Hepatitis in Mice
Pharmazentrum Frankfurt / ZAFES, Goethe University Hospital Frankfurt
Infection of mice with an Adenovirus expressing the major human autoantigen cytochrome P450 2D6 (hCYP2D6) recognized by sera of patients suffering from type 2 autoimmune hepatitis results in a persistent form of autoimmune-mediated liver disease characterized by extensive hepatitis, fibrosis and generation of a CYP2D6-specific immune response.
JoVE Immunology and Infection
Using the BLT Humanized Mouse as a Stem Cell based Gene Therapy Tumor Model
1Department of Medicine, Division of Hematology-Oncology, David Geffen School of Medicine at UCLA, 2UCLA AIDS Institute, 3Eli & Edythe Broad Center of Regenerative Medicine and Stem Cell Research at UCLA, 4Department of Medical and Molecular Pharmacology, David Geffen School of Medicine at UCLA, 5Department of Microbiology, Immunology and Molecular Genetics, David Geffen School of Medicine at UCLA
The generation and characterization of tumor specific T cells using humanized mice is described here. Human thymic tissue and genetically modified human hematopoietic stem cells are transplanted into immunocompromised mice. This results in the reconstitution of an engineered human immune system allowing for in vivo examination of anti-tumor immune responses.
JoVE Immunology and Infection
Use of an Optical Trap for Study of Host-Pathogen Interactions for Dynamic Live Cell Imaging
1Department of Medicine, Division of Infectious Diseases, Massachusetts General Hospital, Harvard Medical School, 2Department of Mechanical and Aerospace Engineering, The Ohio State University, 3Center for Computational and Integrative Biology, Massachusetts General Hospital, Harvard Medical School, 4Dept. of Chemical and Biomolecular Engineering, Vanderbilt University
A method is described to individually select, manipulate, and image live pathogens using an optical trap coupled to a spinning disk microscope. The optical trap provides spatial and temporal control of organisms and places them adjacent to host cells. Fluorescence microscopy captures dynamic intercellular interactions with minimal perturbation to cells.
JoVE General
Efficient Chromatin Immunoprecipitation using Limiting Amounts of Biomass
Department of Pathology, University of Utah School of Medicine
We describe a robust method for chromatin immunoprecipitation using primary T cells. The method is founded on standard approaches, but uses a specific set of conditions and reagents that improve efficiency for limited a quantities of cells. Importantly, a detailed description of the data analysis phase is presented.
JoVE Clinical and Translational Medicine
Patient Derived Cell Culture and Isolation of CD133+ Putative Cancer Stem Cells from Melanoma
1Institute of Pathology, Laboratory of Molecular Tumor Pathology, Charité - Universitätsmedizin Berlin, 2Institute for Chemistry and Biochemistry, Free University Berlin, 3Laboratory for Functional Genomics Charité (LFGC), Charité - Universitätsmedizin Berlin, 4Comprehensive Cancer Center Charité, Charité - Universitätsmedizin Berlin
This article describes the preparation of freshly obtained melanoma tissue into primary cell cultures, and how to remove contaminations of erythrocytes and fibroblasts from the tumor cells. Finally, we describe how CD133+ putative melanoma stem cells are sorted from the CD133- bulk using Magnetic Activated Cell Sorting (MACS).
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
Isolation of Precursor B-cell Subsets from Umbilical Cord Blood
1Department of Pathology and Anatomical Sciences, University of Missouri-Columbia, 2Laboratory for Infectious Disease Research, University of Missouri-Columbia
Here we describe a protocol for isolating subsets of precursor B-cells from umbilical cord blood. A sufficient quantity and quality of nucleic acids may be extracted from the cells and used in subsequent assays utilizing DNA or RNA.
JoVE Immunology and Infection
Artificial Antigen Presenting Cell (aAPC) Mediated Activation and Expansion of Natural Killer T Cells
Department of Microbiology and Immunology, University of Maryland
Here we describe a method for activating and expanding human NKT cells from bulk T cell populations using artificial antigen presenting cells (aAPC). The use of CD1d-based aAPC provides a standardized method for generating high numbers of functional NKT cells.
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