Cancer Stem Cell News Volume 4.44 | Nov 25 2015

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    Cancer Stem Cell News 4.44 November 25, 2015

    Cancer Stem Cell News

         In this issue: Publications | Reviews | Industry News | Policy News | Events | Jobs
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    TOP STORY
    TLR4 Signaling via NANOG Cooperates with STAT3 to Activate Twist1 and Promote Formation of Tumor-Initiating Stem-Like Cells in Livers of Mice
    Researchers investigated whether Toll-like receptor-4 (TLR4) signals to NANOG to promote development of tumor-initiating stem-like cells and tumorigenesis in mice placed on Western diet high in cholesterol and saturated fat. [Gastroenterology] Abstract
    FREE Wallchart: Glioblastoma Multiforme

     
    PUBLICATIONS (Ranked by impact factor of the journal)
    Immunotargeting of Antigen xCT Attenuates Stem-Like Cell Behavior and Metastatic Progression in Breast Cancer
    A comparison of the transcriptional profiles of murine Her2+ breast tumor TUBO cells and their derived cancer stem cell-enriched tumorspheres has identified xCT, the functional subunit of the cystine/glutamate antiporter system xc-, as a surface protein that is upregulated specifically in tumorspheres. [Cancer Res] Abstract

    An Integrated Genomic Approach Identifies that the PI3K/AKT/FOXO Pathway Is Involved in Breast Cancer Tumor Initiation
    Investigators used shRNA genetic screening to identify genes that upon knockdown enhance mammosphere formation in breast cancer cells. Modulation of FOXO3A activity resulted in a change in mammosphere formation, expression of mammary stem cell markers and breast cancer initiating potential. [Oncotarget] Full Article

    Targeting LGR5+ Cells with an Antibody-Drug Conjugate for the Treatment of Colon Cancer
    Scientists evaluated a strategy that targets the cell surface leucine-rich repeat–containing G protein–coupled receptor 5 (LGR5), a well-characterized tissue stem cell and cancer stem cell marker, with an antibody conjugated to distinct cytotoxic drugs. [Sci Signal] Abstract | Editorial

    CD90+ Stromal Cells Are the Major Source of IL-6 Which Supports Cancer Stem-Like Cells and Inflammation in Colorectal Cancer
    Using in situ, ex vivo and co-culture analyses, scientists demonstrated that the number of IL-6 producing colonic myofibroblasts/fibroblasts (CMFs) is increased in colorectal cancer (C-CMFs). Expression of stem cell markers-aldehyde dehydrogenase and LGR5 was significantly up-regulated in colon cancer cells cultured in the presence of conditioned medium from tumor isolated C-CMFs in an IL-6 dependent manner. [Int J Cancer] Abstract

    Minnelide Effectively Eliminates CD133+ Side Population in Pancreatic Cancer
    MIA PaCa-2, S2-013 and AsPC-1 were treated with 12.5 nM triptolide (12 T cells) for seven days. The surviving cells were recovered briefly in drug-free growth media and then transferred to cancer stem cell media (CSM). The 12 T and CSM cells were tested for stemness properties using RNA and protein markers. [Mol Cancer] Full Article

    Increased Notch Signaling Enhances Radioresistance of Malignant Stromal Cells Induced by Glioma Stem/Progenitor Cells
    Malignant stromal cells induced by glioma stem/progenitor cell 2 (ihBTC2) were isolated and identified from the double color-coded orthotopic glioma nude mouse model. The ihBTC2 cells had malignant phenotypes, such as infinite proliferation, hyperpentaploid karyotype, tumorigenesis in nude mice and expression of protein markers of oligodendroglia cells. [PLoS One] Full Article

    IL-6 Signaling Promotes DNA Repair and Prevents Apoptosis in CD133+ Stem-Like Cells of Lung Cancer after Radiation
    Researchers investigated whether IL-6 plays roles not only in promoting self-renewal of CD133+ cells after radiation, but also in conferring radioresistance of CD133+ cells in non-small cell lung cancer. [Radiat Oncol] Full Article

    Malignant Transformation of Bone Marrow Stromal Cells Induced by the Brain Glioma Niche in Rats
    The influence of the tumor microenvironment on malignant transformation of bone marrow stromal cells (BMSCs) was studied after allografting a mixture of enhanced green fluorescent protein-labeled BMSCs and C6 glioma cells into the rat brain to understand the influence of the cellular environment, especially the tumor environment, on the transformation of grafted BMSCs in the rat brain. [Mol Cell Biochem] Abstract

    Request your Free Wallchart on Naive and Primed Stem Cell States

     
    REVIEWS
    Oncolytic Viruses: Exploiting Cancer’s Deal with the Devil
    Oncolytic virotherapy is an emerging therapeutic strategy that uses replication-competent viruses to selectivity kill cancer cells by exploiting their impaired antiviral response. The authors outline the understanding of the alterations in signaling pathways that simultaneously contribute to the malignant phenotype and virus-mediated killing of cancer cells. [Trends Cancer] Full Article

    Visit our reviews page to see a complete list of reviews in the Cancer Stem Cell research field.

     
    INDUSTRY NEWS
    MD Anderson Receives $22.2 Million in CPRIT Research Funding
    The University of Texas MD Anderson Cancer Center was awarded more than $22 million in research grants from the Cancer Prevention and Research Institute of Texas (CPRIT). MD Anderson CPRIT awards included $14.8 million for research, $6 million in recruitment funding and $1.4 million for evidence-based cancer prevention services. [The University of Texas MD Anderson Cancer Center] Press Release

    Lam Receives $4 Million in NIH Grants for Novel Cancer Research
    Kit Lam, professor and chair of the Department of Biochemistry and Molecular Medicine, has been awarded two major, multi-disciplinary U01 grants from the National Institutes of Health (NIH), the first to investigate use of a new tool to visualize cancer tumor growth and response to nanoparticle drugs, and the other to develop a new 4-D imaging tool to advance the understanding of how the nucleus functions in living cells. [UC Davis Comprehensive Cancer Center] Press Release

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    POLICY NEWS
    National Institutes of Health (United States)

    Food and Drug Administration (United States)

    Center for Biologics Evaluation and Research (United States)

    European Medicines Agency (European Union)

    Medicines and Healthcare Products Regulatory Agency (United Kingdom)

    Therapeutic Goods Administration (Australia)

     
    EVENTS
    NEW Keystone Symposia – Stem Cells and Cancer
    March 6-10, 2016
    Breckenridge, United States

    Visit our events page to see a complete list of events in the Cancer Stem Cell community.

     
    JOB OPPORTUNITIES
    NEW Assistant Member – Radioimmunotherapy (Fred Hutchinson Cancer Research Center)

    Investigator – Cancer Biology (Wake Forest Baptist School of Medicine)

    Postdoctoral Research Fellow – Stem Cell Research (The University of Texas Medical School At Houston)

    Assistant Professor – Cancer Immunology (Children’s Hospital of Philadelphia)

    Faculty Positions – Cancer Pharmacology (Northwestern University)

    Postdoctoral Fellowship – Neural Development and Cancer (Columbia University)

    Group Leader Position – Cancer Research (Oslo University Hospital)

    PhD Studentships – Cancer Research (University of Cambridge)

    Assistant, Associate or Full Professor – Hematopoietic Stem Cell Biology (Mayo Clinic)

    Research Technician II – Stem Cell and Gene Therapy (Fred Hutchinson Cancer Research Center)


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