The Journal of Visualized Experiments (JoVE) is a peer reviewed, PubMed-indexed video journal. Our mission is to increase the productivity of scientific research.

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 JoVE General

Isolation of Basal Cells and Submucosal Gland Duct Cells from Mouse Trachea


JoVE 3731 9/14/2012

Department of Pediatrics, David Geffen School of Medicine at UCLA

Here we demonstrate our protocol for isolation of basal and submucosal gland duct cells from mouse tracheas. We also demonstrate the method of injecting stem cells into the dorsal mouse fat pad to create an in vivo model of submucosal gland regeneration.

 JoVE Neuroscience

Study Glial Cell Heterogeneity Influence on Axon Growth Using a New Coculture Method


JoVE 2111 9/06/2010

1Department of Neurosurgery, Cedars Sinai Medical Center, UCLA, 2Basic Medicine School, Fourth Military Medical University, 3Department of Neurology, David Geffen School of Medicine, UCLA, 4Aerospace Medicine School, Fourth Military Medical Univeristy

In this protocol, we described a new method to study the influence of glial cell heterogeneity on axon growth with an in vitro co-culture system. Rat cortical glial cells were cultured to confluence and cocultured with highly purified rat dorsal root ganglia neurons. Different glial cell influence on neurons adhesion and axon growth was compared directly in the same culture. This method provides a new way to directly study the glial cell heterogeneity influence on neuron adhesion and axon growth.

 JoVE General

Labeling hESCs and hMSCs with Iron Oxide Nanoparticles for Non-Invasive in vivo Tracking with MR Imaging


JoVE 685 3/31/2008

Contrast Agent Research Group at the Center for Molecular and Functional Imaging, Department of Radiology, University of California San Francisco

For the evaluation of new stem cell therapies it is important to non-invasively track the injected cells in vivo. This video will show you how to label human mesenchymal and embryonic stem cells with iron oxide based contrast agents in vivo for subsequent MR imaging in vivo.

 JoVE General

Isolation & Characterization of Hoechstlow CD45negative Mouse Lung Mesenchymal Stem Cells


JoVE 3159 10/26/2011

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

Induction of Graft-versus-host Disease and In Vivo T Cell Monitoring Using an MHC-matched Murine Model


JoVE 3697 8/29/2012

Department of Surgery, The Ohio State University Medical Center

Murine bone marrow transplantation is a widely used technique to study immunological mechanisms governing graft-versus-host disease in humans. The ability to monitor T cell trafficking patterns in vivo allows for detailed analysis of the development and perpetuation of T cell responses during graft-versus-host disease.

 JoVE Clinical and Translational Medicine

Identification and Isolation of Slow-Dividing Cells in Human Glioblastoma Using Carboxy Fluorescein Succinimidyl Ester (CFSE)


JoVE 3918 4/29/2012

1Department of Neurosurgery, The University of Florida, 2Department of Anatomical Sciences, Shiraz University of Medical Sciences, Shiraz, Iran

This video protocol demonstrates the application of the fluorescent dye carboxyfluorescein succinimidyl ester (CFSE) for the identification and separation of different sub-populations of cells in human glioblastoma based on frequency of cell division.

 JoVE General

Standardized Preparation of Single-Cell Suspensions from Mouse Lung Tissue using the gentleMACS Dissociator


JoVE 1266 7/02/2009

Miltenyi Biotec,GmbH

Dissociating cells from specific tissue types requires specific parameters for tissue agitation to obtain a high volume of viable, culturable cells. The Miltenyi gentleMACS dissociator optimizes this task with a simple, practical protocol. In this publication the use of this apparatus on lung tissue is explained.

 JoVE General

Generation of Mice Derived from Induced Pluripotent Stem Cells


JoVE 4003 11/29/2012

1Dorris Neuroscience Center & Department of Cell Biology, The Scripps Research Institute, 2Mouse Genetics Core Facility, The Scripps Research Institute

Generating induced pluripotent stem cell (iPSC) lines produces lines of differing developmental potential even when they pass standard tests for pluripotency. Here we describe a protocol to produce mice derived entirely from iPSCs, which defines the iPSC lines as possessing full pluripotency1.

 JoVE Immunology and Infection

Measuring Bacterial Load and Immune Responses in Mice Infected with Listeria monocytogenes


JoVE 3076 8/09/2011

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 Clinical and Translational Medicine

Experimental Generation of Carcinoma-Associated Fibroblasts (CAFs) from Human Mammary Fibroblasts


JoVE 3201 10/25/2011

1CR-UK Stromal-Tumour Interaction Group, Paterson Institute for Cancer Research, University of Manchester, 2Atopy Research Center, Juntendo University

Carcinoma-associated fibroblasts (CAFs) rich in myofibroblasts present within the tumour stroma, play a major role in driving tumour progression. We developed a coimplantation tumour xengraft model for experimentally generating CAFs from human mammary fibroblasts. The protocol describes how to establish CAF myofibroblasts that acquire an ability to promote tumourigenesis.

 JoVE General

Phenotypic Analysis and Isolation of Murine Hematopoietic Stem Cells and Lineage-committed Progenitors


JoVE 3736 7/08/2012

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

Analysis of Pulmonary Dendritic Cell Maturation and Migration during Allergic Airway Inflammation


JoVE 4014 7/23/2012

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

An In Vitro System to Study Tumor Dormancy and the Switch to Metastatic Growth


JoVE 2914 8/11/2011

1Department of Biology, University of Haifa, 2Transgenic Oncogenesis and Genomics Section, Laboratory of Cancer Biology and Genetics, National Cancer Institute

A modified 3-D in vitro system is presented in which growth characteristics of several tumor cell lines in reconstituted basement membrane correlate with the dormant or proliferative behavior of the tumor cells at a metastatic secondary site in vivo.

 JoVE Immunology and Infection

Directed Differentiation of Induced Pluripotent Stem Cells towards T Lymphocytes


JoVE 3986 5/14/2012

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

A Quantitative Assay for Insulin-expressing Colony-forming Progenitors


JoVE 3148 11/28/2011

1Department of Biotechnology & Bioinformatics, California State University Channel Islands, 2Department of Diabetes, Endocrinology and Metabolism, Beckman Research Institute of City of Hope, 3The Irell & Manella Graduate School of Biological Sciences, Beckman Research Institute of City of Hope

A three-dimensional clonogenic assay that allows pancreatic-like progenitors to differentiate into insulin-expressing colonies is described. This method takes advantage of semi-solid media containing methylcellulose, Matrigel and growth factors, in which single progenitors proliferate and differentiate in vitro, permitting quantification of the number of functional progenitors in a population.

 JoVE General

Isolation and Purification of Drosophila Peripheral Neurons by Magnetic Bead Sorting


JoVE 1599 12/01/2009

1Department of Molecular and Microbiology, George Mason University, 2Krasnow Institute for Advanced Study, George Mason University

In this video-article we present a method for the isolation and purification of Drosophila peripheral neurons using a fast magnetic bead assisted cell sorting strategy. RNA obtained from the isolated cells can be readily used for downstream applications including microarray analyses.

 JoVE Immunology and Infection

Flow Cytometry Analysis of Immune Cells Within Murine Aortas


JoVE 2848 7/01/2011

1Deptartment of Microbiology and Molecular Cell Biology, Eastern Virginia Medical School, 2Division of Inflammation Biology, LaJolla Institute for Allergy and Immunology

This paper presents a flow cytometry-based method to investigate the immune composition of aortas. The paper also illustrates an additional technique that allows examining surrounding adventitia and vessel wall separately. This method opens possibilities to perform phenotypical analyses of aortic leukocytes and apply several immunological assays for atherosclerosis studies.

 JoVE General

Efficient Differentiation of Mouse Embryonic Stem Cells into Motor Neurons


JoVE 3813 6/09/2012

Nemours Biomedical Research, Alfred I. duPont Hospital for Children

We developed a new protocol to improve efficiency of in vitro differentiation of mouse embryonic stem cells into motor neurons. The differentiated ES cells acquired motor neurons features as evidenced by expression of neuronal and motor neuron markers using immunohistochemical techniques.

 JoVE General

Generation of Single-Cell Suspensions from Mouse Neural Tissue


JoVE 1267 7/07/2009

Miltenyi Biotec,GmbH

Dissociating cells from specific tissue types requires specific parameters for tissue aggitation to obtain a high volume of viable, culturable cells. The Miltenyi gentleMACS Dissociator optimizes this task with a simple, practical protocol. In this publication the use of this apparatus on nerual tissue is explained.

 JoVE Neuroscience

Isolation and Expansion of Human Glioblastoma Multiforme Tumor Cells Using the Neurosphere Assay


JoVE 3633 10/30/2011

1Department of Neurosurgery, University of Florida, 2Department of Anatomical Sciences, Shiraz University of Medical Sciences

This video protocol demonstrates the isolation and expansion of stem like cells from surgically resected human glioblastoma mutliforme (GBM) tumor tissue using the neurosphere assay culture method.

 JoVE Neuroscience

Isolation and Culture of Mouse Cortical Astrocytes


JoVE 50079 1/19/2013

1Institute of Anatomy and Cell Biology, University of Freiburg, 2Centre of Chronic Immunodeficiency (CCI), University Medical Centre Freiburg, University of Freiburg

Astrocytes have been recognized to be versatile cells participating in fundamental biological processes that are essential for normal brain development and function, and central nervous system repair. Here we present a rapid procedure to obtain pure mouse astrocyte cultures to study the biology of this major class of central nervous system cells.

 JoVE Neuroscience

The Neuroblast Assay: An Assay for the Generation and Enrichment of Neuronal Progenitor Cells from Differentiating Neural Stem Cell Progeny Using Flow Cytometry


JoVE 3712 4/22/2012

1Department of Neurosurgery, The University of Florida, 2Laboratory for Stem Cell Research, Department of Anatomical Sciences, Shiraz University of Medical Sciences, Shiraz, Iran

This video protocol demonstrates a novel method for the generation and subsequent purification of neuronal progenitor cells from a renewable source of neural stem cells (NSCs) based on their physical (size and internal granularity) and fluorescent properties using flow cytometry technology.

 JoVE General

Isolation and Analysis of Hematopoietic Stem Cells from the Placenta


JoVE 742 6/24/2008

Jonsson Comprehensive Cancer Center, University of California, Los Angeles

We have identified the placenta as a major hematopoietic organ during development. We found that hematopoietic stem cells (HSCs) are both generated and expanded in the placenta in unique microenvironmental niches. Here, we describe experimental techniques required for isolation and visualization of HSCs in the mouse placenta.

 JoVE Immunology and Infection

Two Methods of Heterokaryon Formation to Discover HCV Restriction Factors


JoVE 4029 7/16/2012

1Division of Experimental Virology, Twincore, Centre for Experimental and Clinical Infection Research, 2Aaron Diamond AIDS Research Center, Laboratory of Retrovirology, The Rockefeller University, NY

We describe two methods for conditional trans-complementation of hepatitis C virus (HCV) assembly and the completion of the full viral life cycle, which rely on heterokaryon formation. These techniques are suitable to screen for cell lines that express dominant restriction factors, which preclude production of infectious HCV progeny.

 JoVE General

Immunocytochemical Analysis of Human Pluripotent Stem Cells using a Self-Made Cytospin Apparatus


JoVE 1944 4/09/2010

Department of Chemical and Life Sciences Engineering, Virginia Commonwealth University

Suspension immunocytochemical staining of human pluripotent stem cells (hPSCs) for cell-surface markers (SSEA-3/SSEA-4) was achieved based on use of a self-made cytospin apparatus to create a monolayer of cells for observation and quantification.

 JoVE General

Isolation of Stem Cells from Human Pancreatic Cancer Xenografts


JoVE 2169 9/26/2010

Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine

Cancer stem cells (CSCs) have been identified in a number of malignancies. In this protocol we describe a flow cytometric method utilizing aldehyde dehydrogenase activity and CD44 and CD24 expression to isolate CSCs from human pancreatic adenocarcinoma xenografts. These viable cells can then be used in functional and analytical 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


JoVE 2381 1/14/2011

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 Clinical and Translational Medicine

Human Neuroendocrine Tumor Cell Lines as a Three-Dimensional Model for the Study of Human Neuroendocrine Tumor Therapy


JoVE 4218 8/14/2012

1Raymond and Beverly Sackler Foundation, 2The Cancer Institute of New Jersey, University of Medicine and Dentistry of New Jersey, 3School of Natural Sciences, Institute for Advanced Study, Princeton, New Jersey

We present a simple agarose overlay platform to grow 3D multicellular spheroids using neuroendocrine cancer cell lines. This method provides a very convenient way to examine the effect of therapeutic drugs on the neuroendocrine tumor cells. It could also help us establish human neuroendocrine tumor spheroids for cancer therapy.

 JoVE General

In vitro Labeling of Human Embryonic Stem Cells for Magnetic Resonance Imaging


JoVE 827 8/03/2008

Division of Cardiovascular Medicine, Stanford University

In this video, we are showing how to label human embryonic stem cells (hESC) with manganese chloride (MnCl2) which can enter cells via voltage-gated calcium channels when the cells are biologically active. Additionally, we show the use of MnCl2 as cellular MRI contrast agent to determine the in vitro viability of hESC.

 JoVE General

Isolation and Culture of Post-Natal Mouse Cerebellar Granule Neuron Progenitor Cells and Neurons


JoVE 990 1/16/2009

1Department of Genetics and Development, Columbia University, 2Department of Pathology and Cell Biology, Columbia University, 3Department of Neuroscience, Columbia University, 4Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School

Here we present a method to isolate and culture cerebellar granule neuron progenitor cells and cerebellar granule neurons from postnatal mouse.

 JoVE General

Phenotypic and Functional Characterization of Endothelial Colony Forming Cells Derived from Human Umbilical Cord Blood


JoVE 3872 4/13/2012

Herman B Wells Center for Pediatric Research, Indiana University School of Medicine

Endothelial colony forming cells (ECFCs) are circulating endothelial cells with robust clonal proliferative potential that display intrinsic in vivo vessel forming ability. Phenotypic and functional characterization of outgrowth endothelial cells derived from CB are important to identify and isolate bona fide ECFCs for potential clinical application in repairing damaged tissues.

 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


JoVE 50070 2/01/2013

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 Neuroscience

Neural-Colony Forming Cell Assay: An Assay To Discriminate Bona Fide Neural Stem Cells from Neural Progenitor Cells


JoVE 2639 3/06/2011

1Department of Neurosurgery, University of Florida, 2Department of Anatomical Sciences, Shiraz University of Medical Sciences, 3STEMCELL Technologies, Inc.

This video protocol demonstrates how to discriminate and enumerate bona fide neural stem cells in a mixed population of neural precursor cells using the neural colony-forming cell assay.

 JoVE Neuroscience

Generation of Neural Stem Cells from Discarded Human Fetal Cortical Tissue


JoVE 2681 5/25/2011

1Department of Neurology, Beth Israel Deaconess Medical Center, 2Department of Obstetrics and Gynecology, Brigham and Women's Hospital, 3Department of Pathology, Beth Israel Deaconess Medical Center, 4Department of Pathology, Division of Neuropathology, Brigham and Women's Hospital

A simple and reliable method on isolation and culture of neural stem cells from discarded human fetal cortical tissue is described. Cultures derived from known human neurological disorders can be used for characterization of pathological cellular and molecular processes, as well as provide a platform to assess pharmacological efficacy.

 JoVE General

Isolation of Immune Cells from Primary Tumors


JoVE 3952 6/16/2012

1Tumor Immunity and Tolerance Section, Laboratory of Molecular Immunoregulation, Cancer and Inflammation Program, National Cancer Institute - Frederick, 2KEWB Productions

In this report, we describe a protocol for isolating highly purified populations of leukocytes that infiltrate tumors. This protocol is adapted from the Miltenyi Biotech protocol to enhance yield and purity for isolating cells from complex tumor tissue.

 JoVE Clinical and Translational Medicine

Preparation of Myeloid Derived Suppressor Cells (MDSC) from Naive and Pancreatic Tumor-bearing Mice using Flow Cytometry and Automated Magnetic Activated Cell Sorting (AutoMACS)


JoVE 3875 6/18/2012

Department of Molecular Medicine, University of South Florida Morsani College of Medicine

This is a rapid and comprehensive method of immunophenotyping Myeloid Derived Suppressor Cells (MDSC) and enriching Gr-1+ leukocytes from mouse spleens. This method uses flow cytometry and AutoMACS Cell Sorting to enrich for viable Gr-1+ leukocytes prior to FACS sorting of MDSC for use in vivo and in vitro assays.

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