Mammary Cell News Volume 12.47 | Dec 3 2020

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    2020-12-03 | MCN 12.47


    Mammary Cell News by STEMCELL Technologies
    Vol. 12.47 – 3 December, 2020
    TOP STORY

    TGFβ Promotes Widespread Enhancer Chromatin Opening and Operates on Genomic Regulatory Domains

    Researchers report that Transforming Growth Factor-β (TGFβ) treatment triggered a fast and widespread increase in chromatin accessibility in about 80% of the enhancers of normal mouse mammary epithelial-gland cells, irrespective of whether they were activated, repressed, or not regulated by TGFβ.
    [Nature Communications]

    Full Article

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    Gap Junctions Amplify Spatial Variations in Cell Volume in Proliferating Tumor Spheroids

    Investigators identified that ion flow through gap junctions promoted peripheral cell swelling in a loaded breast cancer model.
    [Nature Communications]

    Full Article

    The Stress-Responsive Kinase DYRK2 Activates Heat Shock Factor 1 Promoting Resistance to Proteotoxic Stress

    The authors demonstrated that in TNBC cells, the dual specificity tyrosine-regulated kinase 2 (DYRK2) phosphorylates HSF1, promoting its nuclear stability and transcriptional activity.
    [Cell Death & Differentiation]

    Full Article

    RON Signaling Promotes Therapeutic Resistance in ESR1 Mutant Breast Cancer

    Scientists performed a proteomic kinome analysis in ESR1 Y537S mutant cells to identify hyperactivated kinases in ESR1 mutant cells. They validated Recepteur d’Origine Nantais (RON) and PI3K hyperactivity through phospho-immunoblot analysis, organoid growth assays, and in an in vivo patient-derived xenograft metastatic model.
    [British Journal of Cancer]

    AbstractGraphical Abstract

    Nitric Oxide-Targeted Therapy Inhibits Stemness and Increases the Efficacy of Tamoxifen in Estrogen Receptor-Positive Breast Cancer Cells

    Researchers explored whether targeting nitric oxide in estrogen positive breast cancer cells impacted cancer stem cell subpopulation and sensitivity to hormonal therapy with tamoxifen.
    [Laboratory Investigation]

    Abstract

    Verminoside from Pseudolysimachion rotundum var. subintegrum Sensitizes Cisplatin-Resistant Cancer Cells and Suppresses Metastatic Growth of Human Breast Cancer

    The chemoadjuvant effects of a methanolic extract from the leaves of Pseudolysimachion rotundum var. subintegrum and an active component isolated from the plant, verminoside, were evaluated.
    [Scientific Reports]

    Full Article

    Pistacia lentiscus Extract Enhances Mammary Epithelial Cells’ Productivity by Modulating their Oxidative Status

    Scientists assessed the potential of phenolic compounds from Pistacia lentiscus to enhance the production of milk constituents in bovine mammary epithelial cells.
    [Scientific Reports]

    Full Article

    The ZNF750–RAC1 Axis as Potential Prognostic Factor for Breast Cancer

    Researchers showed that ZNF750 negatively regulated cell migration and invasion in breast cancer cells; in particular, ZNF750 bound and recruited KDM1A and HDAC1 on the LAMB3 and CTNNAL1 promoters.
    [Cell Death Discovery]

    Full Article

    ppGalNAc-T4-Catalyzed O-Glycosylation of TGF-β Type Ⅱ Receptor Regulates Breast Cancer Cells Metastasis

    The role of one isoform, ppGalNAc-T4, in breast cancer cell lines was investigated. The expression of ppGalNAc-T4 was found to be negatively associated with the migration of breast cancer cells.
    [Journal of Biological Chemistry]

    Abstract

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    REVIEWS

    Treatment Strategies for Breast Cancer Brain Metastases

    The authors provide an overview of the therapeutic option for brain metastases from breast cancer that is currently available and outlines potential new approaches for tackling these deadly secondary tumors.
    [British Journal of Cancer]

    Abstract

    Viroimmunotherapy for Breast Cancer: Promises, Problems and Future Directions

    The authors summarize the current treatments for breast cancer and the potential use of virotherapy in the treatment of the disease. They also discuss the use of oncolytic viruses as immunotherapeutics and the rational combination of oncolytic viruses with other therapeutics for optimal treatment of breast cancer. Finally, they outline the progress made in virotherapy for breast cancer and the shortcomings that need to be addressed for this novel therapy to move to the clinic for better treatment of breast cancer.
    [Cancer Gene Therapy]

    Full Article

    INDUSTRY AND POLICY NEWS

    MacroGenics and EVERSANA Announce Agreement to Support the Potential Launch and Commercialization of Margetuximab

    MacroGenics, Inc. announced that it has partnered with EVERSAN to commercialize margetuximab in the United States if approved.
    [MacroGenics, Inc.]

    Press Release

    7th L’Oréal-UNESCO for Women in Science Middle East Regional Young Talents Program Recognizes Six Exceptional Female Scientists from the GCC

    The L’Oréal-UNESCO For Women in Science Middle East Regional Young Talents Program, in partnership with Khalifa University of Science and Technology, awarded six winners in the Post-doctorate Researchers and PhD Students categories where Dr. Lama AlAbdi (KSA), Dr. Isra Marei (Qatar), and Dr. Maryam Tariq Khaleel Alhashmi (UAE) each received EUR20,000 in the Post-doctorate Researchers category.
    [L’Oréal-UNESCO (Business Today)]

    Press Release

    FEATURED EVENT

    ISSCR 2021 Annual Meeting

    June 23 – June 26, 2021
    Hamburg, Germany

    > See All Events

    JOB OPPORTUNITIES

    Postdoctoral Position – Cancer Biology

    University of Cincinnati – Cincinnati, Ohio, United States

    Postdoctoral Fellow – Breast Oncology Bioinformatics

    BC Cancer Research Centre – Vancouver, British Columbia, Canada

    Research Assistant – Breast Cancer

    Research Institute of the McGill University Health Centre – Montreal, Quebec, Canada

    Senior Investigator – Replication Stress and Chromatin Alterations

    NIH National Cancer Institute – Bethesda, Maryland, United States

    Assistant/Associate Professor – Breast & Gynecologic Pathology

    The University of Pittsburgh – Pittsburgh, Pennsylvania, United States

    > See All Jobs

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