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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Neoplasms: New abnormal growth of tissue. Malignant neoplasms show a greater degree of anaplasia and have the properties of invasion and metastasis, compared to benign neoplasms.
 JoVE Clinical and Translational Medicine

Multi-photon Imaging of Tumor Cell Invasion in an Orthotopic Mouse Model of Oral Squamous Cell Carcinoma


JoVE 2941 7/25/2011

1Department of Neurobiology and Anatomy, Program in Cancer Cell Biology, Mary Babb Randolph Cancer Center, West Virginia University, 2Sensory Neuroscience Research Center, West Virginia University, 3Departments of Otolaryngology and Physiology, Center for Neuroscience, West Virginia University

A comprehensive overview of the techniques involved in generating a mouse model of oral cancer and quantitative monitoring of tumor invasion within the tongue through multi-photon microscopy of labeled cells is presented. This system can serve as a useful platform for the molecular assessment and drug efficacy of anti-invasive compounds.

 JoVE Clinical and Translational Medicine

Evaluation of Nanoparticle Uptake in Tumors in Real Time Using Intravital Imaging


JoVE 2808 6/21/2011

1Department of Medical Biophysics, University of Western Ontario, 2London Regional Cancer Program, London Health Science Centre, 3Department of Pathology, Vanderbilt University, 4Translational Prostate Cancer Research Group, London Health Science Centre

We present a novel approach to quantify nanoparticle localization in the vasculature of human xenografted tumors using dynamic, real-time intravital imaging in an avian embryo model.

 JoVE Immunology and Infection

Determining Optimal Cytotoxic Activity of Human Her2neu Specific CD8 T cells by Comparing the Cr51 Release Assay to the xCELLigence System


JoVE 3683 8/08/2012

Department of Immunology, College of Medicine, Mayo Clinic

The chromium release assay, a common assay for detecting cytotoxic T cell activity, has several limitations. Using antigen-specific CD8 T cells and the human breast cancer tumor line, SKBR3, in the present article, an impedance-based approach was examined for the capability of detecting cell killing.

 JoVE Neuroscience

Establishing Intracranial Brain Tumor Xenografts With Subsequent Analysis of Tumor Growth and Response to Therapy using Bioluminescence Imaging


JoVE 1986 7/13/2010

Department of Neurological Surgery, University of California, San Francisco - UCSF

Luciferase-modified human brain tumor xenografts can be established intracranially in athymic mice, with subsequent monitoring of tumor growth and response to therapy using bioluminescence imaging. In combination with survival analysis, bioluminescence monitoring is an essential research tool for pre-clinical testing of therapies being considered for treating brain tumors.

 JoVE Neuroscience

Intracranial Orthotopic Allografting of Medulloblastoma Cells in Immunocompromised Mice


JoVE 2153 10/03/2010

1Department of Cell and Developmental Biology, Vanderbilt University, 2Department of Neurology, Vanderbilt University

This protocol describes the isolation and dissociation of mouse medulloblastoma tissue, and subsequent allografting of the tumor cells into immunocompromised recipient mice in order to initiate secondary medulloblastoma.

 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 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

In vitro Organoid Culture of Primary Mouse Colon Tumors


JoVE 50210 5/17/2013

1Department of Molecular & Integrative Physiology, University of Michigan, 2Department of Internal Medicine, Division of Gastroenterology, University of Michigan

A simple method to establish primary murine colon tumor organoid is described. This method utilizes the feature that colon tumor cells survive and grow into organoids in media containing limited growth factors, whereas normal colon epithelial do not.

 JoVE Clinical and Translational Medicine

Stereotactic Intracranial Implantation and In vivo Bioluminescent Imaging of Tumor Xenografts in a Mouse Model System of Glioblastoma Multiforme


JoVE 4089 9/25/2012

Department of Radiation Oncology, University of Pennsylvania

We describe an integrated method for the precise, stereotactic implantation of human glioblastoma multiforme cells into the brains of nude mice and subsequent serial in vivo imaging to monitor growth and response to treatment of the resultant xenografts.

 JoVE Bioengineering

Contrast Ultrasound Targeted Treatment of Gliomas in Mice via Drug-Bearing Nanoparticle Delivery and Microvascular Ablation


JoVE 2145 12/15/2010

1Department of Biomedical Engineering, University of Virginia, 2Neurological Surgery , University of Virginia

Insonation of microbubbles is a promising strategy for tumor ablation at reduced time-averaged acoustic powers, as well as for the targeted delivery of therapeutics. The purpose of the present study is to develop low duty cycle ultrasound pulsing strategies and nanocarriers to maximize non-thermal microvascular ablation and payload delivery to subcutaneous C6 gliomas.

 JoVE Clinical and Translational Medicine

Modeling Colitis-Associated Cancer with Azoxymethane (AOM) and Dextran Sulfate Sodium (DSS)


JoVE 4100 9/11/2012

Division of Gastroenterology, Washington University School of Medicine

We demonstrate a protocol in which administration of the genotoxic agent azoxymethane (AOM) followed by three cycles of the pro-inflammatory agent dextran sulfate sodium (DSS) rapidly and consistently generates colon tumors in mice with morphologic and molecular similarities to those seen in human colitis-associated cancer.

 JoVE Clinical and Translational Medicine

Establishment and Propagation of Human Retinoblastoma Tumors in Immune Deficient Mice


JoVE 2644 8/04/2011

1Interdepartmental Program in Translational Biology & Molecular Medicine, Baylor College of Medicine, 2Texas Children's Cancer Center, Baylor College of Medicine, 3Department of Pediatrics, Baylor College of Medicine, 4Department of Pathology, The Methodist Hospital Research Institute, 5Department of Ophthalmology, Retinoblastoma Center of Houston, 6Baylor College of Medicine, Center for Cell and Gene Therapy, 7Center for Cell and Gene Therapy, Baylor College of Medicine

A method is described to propagate human retinoblastoma tumors in mice. Tumor cells are directly injected into the eyes of immune deficient mice. Secondary tumors have been successfully established using both cells directly harvested from human tumors and cultured tumorspheres.

 JoVE General

Orthotopic Mouse Model of Colorectal Cancer


JoVE 484 12/04/2007

1Department of Surgery, University of California, San Francisco - UCSF, 2Department of Pathology, Stanford University School of Medicine

Two techniques can be used to establish this model: injection of a cancer cell suspension into the cecal wall or transplantation of a piece of subcutaneous tumor onto the cecum. This model is useful for studying the natural progression of colorectal cancer and testing new therapeutic agents against colorectal cancer.

 JoVE Clinical and Translational Medicine

An Orthotopic Bladder Tumor Model and the Evaluation of Intravesical saRNA Treatment


JoVE 4207 7/28/2012

1Department of Urology and Helen Diller Comprehensive Cancer Center, University of California, San Francisco, 2Alnylam Pharmaceuticals, Inc.

Establishing an orthotopic bladder tumor model to evaluate antitumor effects of intravesically delivered saRNA and monitoring tumor growth by ultrasound and bioluminescent imaging.

 JoVE General

Quantifying the Frequency of Tumor-propagating Cells Using Limiting Dilution Cell Transplantation in Syngeneic Zebrafish


JoVE 2790 7/14/2011

1Department of Molecular Pathology, Massachusetts General Hospital, Harvard Medical School, 2Department of Molecular Pathology, Massachusetts General Hospital Cancer Center, Harvard Stem Cell Institute

Limiting dilution cell transplantation assays are used to determine the frequency of tumor-propagating cells. This protocol describes a method for generating syngeneic zebrafish that develop fluorescently-labeled leukemia and details how to isolate and transplant these leukemia cells at limiting dilution into the peritoneal cavity of adult zebrafish.

 JoVE Clinical and Translational Medicine

Method for Novel Anti-Cancer Drug Development using Tumor Explants of Surgical Specimens


JoVE 2846 7/29/2011

1Department of Neurological Surgery, The Ohio State University Medical Center, 2Department of Pathology, The Ohio State University Medical Center

Here, we established a method for drug efficacy testing with surgical specimens of brain tumors, termed “tumor explant method”. With this method, we can evaluate drug efficacy without breaking the microenvironment of solid tumors. To validate reliability of this method, we describe representative data with our glioma specimen treated with the current first-line chemotherapeutic agent, temozolomide.

 JoVE Clinical and Translational Medicine

Teratoma Generation in the Testis Capsule


JoVE 3177 11/07/2011

1Department of Chemical Physiology, Scripps Research Institute, 2Department of Chemical Physiology, Scripps Research Institute, 3Department of Reproductive Medicine, University of California

Human pluripotent stem cells (hPSCs) have the potential to treat a myriad of different diseases. The utility of these cells lies in the fact that they can differentiate into any cell type in the body. Here we describe the teratoma assay, which is used to demonstrate the pluripotence of hPSCs.

 JoVE Clinical and Translational Medicine

Processing of Primary Brain Tumor Tissue for Stem Cell Assays and Flow Sorting


JoVE 4111 9/25/2012

Stem Cell and Cancer Research Institute, McMaster University

The identification of brain tumor initiating cells (BTICs), the rare cells within a heterogeneous tumor possessing stem cell properties, provides new insights into human brain tumor pathogenesis. We have refined specific culture conditions to enrich for BTICs, and we routinely use flow cytometry to further enrich these populations. Self-renewal assays and transcript analysis by single cell RT-PCR can subsequently be performed on these isolated cells.

 JoVE Clinical and Translational Medicine

Orthotopic Xenografting of Human Luciferase-Tagged Malignant Peripheral Nerve Sheath Tumor Cells for in vivo Testing of Candidate Therapeutic Agents


JoVE 2558 3/07/2011

1Department of Pathology, University of Alabama at Birmingham - UAB, 2Department of Radiology, University of Alabama at Birmingham - UAB, 3Department of Cell Biology and Neurobiology, University of Alabama at Birmingham - UAB

A method for reliably grafting luciferase-tagged human malignant peripheral nerve sheath tumor cells into the sciatic nerve of immunodeficient mice is described. The use of bioluminescence imaging to demonstrate proper establishment of tumor grafts and criteria for random segregation of animals into study groups are also discussed.

 JoVE Clinical and Translational Medicine

Cerenkov Luminescence Imaging (CLI) for Cancer Therapy Monitoring


JoVE 4341 11/13/2012

Department of Radiology and Bio-X Program Canary Cancer at Stanford for Cancer Early Detection, Stanford University

Use of Cerenkov Luminescence Imaging (CLI) for monitoring preclinical cancer treatment is described here. This method takes advantage of Cerenkov Radiation (CR) and optical imaging (OI) to visualize radiolabeled probes and thus provides an alternative to PET in preclinical therapeutic monitoring and drug screening.

 JoVE Clinical and Translational Medicine

An Orthotopic Mouse Model of Anaplastic Thyroid Carcinoma


JoVE 50097 4/17/2013

Department of Internal Medicine, Division of Endocrinology, Saint Louis University School of Medicine

Generation of an orthotopic mouse model of anaplastic thyroid carcinoma is described here. This technique employs surgical placement of human anaplastic thyroid cancer cells into the thyroid of immunodeficient mice, thus creating a more clinically relevant setting to study disease progression as well as screen innovative therapeutic interventions.

 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

Comparative in vivo Study of gp96 Adjuvanticity in the Frog Xenopus laevis


JoVE 2026 9/16/2010

Department of Microbiology and Immunology, University of Rochester

The frog Xenopus laevis provides an attractive alternative non-mammalian model for exploring the ability of heat shock protein such as gp96 to promote antigen-specific CD8 T cell responses. We present methods to study in vivo facilitation of cross-presentation of skin and tumor antigens by gp96.

 JoVE Clinical and Translational Medicine

Screening for Melanoma Modifiers using a Zebrafish Autochthonous Tumor Model


JoVE 50086 11/13/2012

1Program in Molecular Medicine and Department of Cancer Biology, University of Massachusetts Medical School, 2Departments of Surgery and Medicine, Weill Cornell Medical College, 3Departments of Surgery and Medicine, New York Presbyterian Hospital

A rapid way to screen for melanoma modifiers using a zebrafish autochthonous tumor model is presented. It takes advantage of the miniCoopR vector which allows for expression of candidate melanoma genes in melanocytes. A method to obtain melanoma-free survival curves, an invasion assay, a protocol for antibody staining of scale melanocytes and a melanoma transplantation assay are described.

 JoVE Clinical and Translational Medicine

Thermal Ablation for the Treatment of Abdominal Tumors


JoVE 2596 3/07/2011

1Department of Biomedical Engineering, University of Wisconsin-Madison, 2Department of Radiology, University of Wisconsin-Madison

A thermal tumor ablation procedure is described. The entire procedure is detailed, including pretreatment planning and imaging studies, anesthesia, adjuvant techniques to facilitate a percutaneous approach, imaging guidance of the ablation device to the tumor, thermal treatment, post-treatment care and follow-up.

 JoVE Clinical and Translational Medicine

Identification of Sleeping Beauty Transposon Insertions in Solid Tumors using Linker-mediated PCR


JoVE 50156 2/01/2013

1Department of Obstetrics, Gynecology & Women's Health, Masonic Cancer Center, University of Minnesota, Minneapolis, 2Department of Genetics, Cell Biology & Development, Center for Genome Engineering, University of Minnesota, Minneapolis

A method of identifying unknown drivers of carcinogenesis using an unbiased approach is described. The method uses the Sleeping Beauty transposon as a random mutagen directed to specific tissues. Genomic mapping of transposon insertions that drive tumor formation identifies novel oncogenes and tumor suppressor genes

 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 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 Clinical and Translational Medicine

Heterogeneity Mapping of Protein Expression in Tumors using Quantitative Immunofluorescence


JoVE 3334 10/25/2011

1Division of Pathology, University of Edinburgh, 2HistoRx Inc.

Here we describe a method to quantify molecular heterogeneity in histological sections of tumor material using quantitative immunofluorescence, image analysis, and a statistical measure of heterogeneity. The method is intended for use in clinical biomarker development and analysis.

 JoVE Clinical and Translational Medicine

DNA Vector-based RNA Interference to Study Gene Function in Cancer


JoVE 4129 6/04/2012

1Department of Cancer Biology and Comprehensive Cancer Center, Wake Forest University School of Medicine, 2Department of Pathology and Comprehensive Cancer Center, Wake Forest University School of Medicine

RNA interference (RNAi) possesses many advantages over gene knockout and has been broadly used as a tool in gene functional studies. The invention of DNA vector-based RNAi technology has made long term and inducible gene knockdown possible, and also increased the feasibility of gene silencing in vivo.

 JoVE Immunology and Infection

Using the BLT Humanized Mouse as a Stem Cell based Gene Therapy Tumor Model


JoVE 4181 12/18/2012

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 Clinical and Translational Medicine

Probe-based Confocal Laser Endomicroscopy of the Urinary Tract: The Technique


JoVE 4409 1/10/2013

1Department of Urology, Stanford University School of Medicine, 2Veterans Affairs Palo Alto Health Care System

Probe-based confocal laser endomicroscopy enables real-time microscopy of the human urinary tract during cystoscopy, providing dynamic, intravital imaging of pathological states such as bladder cancer with cellular resolution. Endomicroscopy may augment the diagnostic accuracy of standard white light endoscopy and provide intraoperative image guidance to improve surgical resection.

 JoVE Clinical and Translational Medicine

A Real-time Electrical Impedance Based Technique to Measure Invasion of Endothelial Cell Monolayer by Cancer Cells


JoVE 2792 4/01/2011

Lombardi Comprehensive Cancer Center, Georgetown University

This article describes an in vitro technique for monitoring cancer cells invading through a monolayer of endothelial cells. The data is acquired in real-time as a function of changes in impedance on the surface of electrodes at the well bottom.

 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 Clinical and Translational Medicine

Multi-modal Imaging of Angiogenesis in a Nude Rat Model of Breast Cancer Bone Metastasis Using Magnetic Resonance Imaging, Volumetric Computed Tomography and Ultrasound


JoVE 4178 8/14/2012

1Department of Medical Physics in Radiology, German Cancer Research Center, Heidelberg, Germany, 2Unit of Chemotherapy and Toxicology, German Cancer Research Center, Heidelberg, Germany

In the pathogenesis of bone metastasis, angiogenesis is a crucial process and therefore represents a target for imaging and therapy. Here, we present a rat model of site-specific breast cancer bone metastasis and describe strategies to non-invasively image angiogenesis in vivo using magnetic resonance imaging, volumetric computed tomography and ultrasound.

 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


JoVE 2146 11/28/2010

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 Clinical and Translational Medicine

Patient Derived Cell Culture and Isolation of CD133+ Putative Cancer Stem Cells from Melanoma


JoVE 50200 3/13/2013

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 General

Dendra2 Photoswitching through the Mammary Imaging Window


JoVE 1278 6/05/2009

1Department of Anatomy and Structural Biology, Albert Einstein College of Medicine - Yeshiva University, 2Gruss Lipper Biophotonics Center, Albert Einstein College of Medicine - Yeshiva University, 3Hubrecht Institute-KNAW and University Medical Center Utrecht

Intravital photoswitching and tracking of Dendra2-labeled tumor cells through the Mammary Imaging Window is a technique which allows us to image the metastatic behavior of tumor cells in chosen tumor microenvironments over a timescale of days.

 JoVE General

Isolation of Mammary Epithelial Cells from Three-dimensional Mixed-cell Spheroid Co-culture


JoVE 3760 4/30/2012

Molecular Oncology Research Institute, Department of Medicine, Tufts Medical Center

A simple method is described for analyzing effects of tissue fibroblasts on associated epithelial cells. The combination of this method and three-dimensional tissue culture can facilitate analysis of cells after isolation from 3D. The technique is applicable to cells of varying malignant potential, allowing systematic study of effects of tumor-associated stroma on tumor cells.

 JoVE Clinical and Translational Medicine

Models of Bone Metastasis


JoVE 4260 9/04/2012

1Department of Pharmacology, Vanderbilt University, 2Vanderbilt Center for Bone Biology, Vanderbilt University, 3Department of Veterans Affairs, Tennessee Valley Healthcare System (VISN 9), 4Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University, 5Department of Cancer Biology, Vanderbilt University

Animal models are frequently utilized to study cancer metastasis to bone. In this protocol we will describe two common methods of tumor inoculation for bone metastasis studies and briefly describe some of the analyses utilized to monitor and quantify these models.

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