Mammary Cell News Volume 13.07 | Feb 25 2021

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    2021-02-25 | MCN 13.07


    Mammary Cell News by STEMCELL Technologies
    Vol. 13.07 – 25 February, 2021
    TOP STORY

    Microrheology Reveals Simultaneous Cell-Mediated Matrix Stiffening and Fluidization that Underlie Breast Cancer Invasion

    In two different stromal models and a 3D breast cancer spheroid model, the force spectrum analysis revealed emergent hybrid dynamics that involved both high-frequency stress stiffening and low-frequency fluidization of the extracellular matrix.
    [Science Advances]

    Full Article

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    Immunotherapy for Breast Cancer Using EpCAM Aptamer Tumor-Targeted Gene Knockdown

    Knockdown of genes that function in multiple steps of cancer immunity was evaluated in aggressive triple-negative and HER2+ orthotopic, metastatic, and genetically engineered mouse breast cancer models.
    [Proceedings of the National Academy of Sciences of the United States of America]

    Abstract

    TET2 Is a Component of the Estrogen Receptor Complex and Controls 5mC to 5hmC Conversion at Estrogen Receptor cis-Regulatory Regions

    TET2 binding constituted a near-total subset of estrogen receptor-α binding in multiple breast cancer models, with loss of TET2 associated with reduced activation of proliferative pathways.
    [Cell Reports]

    Full ArticleGraphical Abstract

    Nerve Growth Factor Receptor Increases the Tumor Growth and Metastatic Potential of Triple-Negative Breast Cancer Cells

    By using RNA-seq analysis, the authors found that nerve growth factor receptor was highly expressed in metastatic lung clones of MDA-MB-231 cells.
    [Oncogene]

    Abstract

    Distinct Ring1b Complexes Defined by DEAD-Box Helicases and EMT Transcription Factors Synergistically Enhance E-Cadherin Silencing in Breast Cancer

    Scientists confirmed that Ring1b could downregulate E-cadherin and contributed to an epigenetic rewiring via PRC1-dependent function by forming distinct complexes with DEAD-box RNA helicases or epithelial-mesenchymal transition (EMT) transcription factors on site-specific loci of E-cadherin promoter.
    [Cell Death & Disease]

    Full Article

    Development and Characterization of Novel Endoxifen-Resistant Breast Cancer Cell Lines Highlight Numerous Differences from Tamoxifen-Resistant Models

    Investigators report the development of novel endoxifen-resistant breast cancer cell lines and extensively compared these models to 4-hydroxy-tamoxifen and fulvestrant-resistant models.
    [Molecular Cancer Research]

    Abstract

    Role of the V1G1 Subunit of V-ATPase in Breast Cancer Cell Migration

    In MDA-MB-231 cells, modulation of V1G1 affected cell migration and matrix metalloproteinase activation in vitro, processes important for tumor formation and dissemination.
    [Scientific Reports]

    Full Article

    Doxorubicin–Transferrin Conjugate Alters Mitochondrial Homeostasis and Energy Metabolism in Human Breast Cancer Cells

    Researchers determined the exact nature and extent to which mitochondrial function was influenced by doxorubicin–transferrin conjugate treatment, specifically in human breast adenocarcinoma cells.
    [Scientific Reports]

    Full Article

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    REVIEWS

    Disseminated Cancer Cells in Breast Cancer: Mechanism of Dissemination and Dormancy and Emerging Insights on Therapeutic Opportunities

    Scientists discuss the recent advancements of molecular pathways involving breast cancer cell dissemination, role of chemokine-chemokine receptor networks in disseminated cancer cells (DCCs) migration, DCCs phenotypic heterogeneity, and unique gene signatures in tumor dormancy, microenvironmental regulation, and specific niches that favors DCCs homing and dormancy.
    [Seminars in Cancer Biology]

    Abstract

    Exosomes in Breast Cancer – Mechanisms of Action and Clinical Potential

    The authors focus on the role of exosomes in breast cancer, in terms of breast cancer biology, mechanism of action, potential as biomarkers, and therapeutic opportunities.
    [Molecular Cancer Research]

    Abstract

    INDUSTRY AND POLICY NEWS

    FibroGenesis Reports Positive Preclinical Data in Pancreatic and Breast Cancer Using “Universal Acting” Fibroblast Based Immunotherapy

    FibroGenesis announced new data supporting utilizing its fibroblast-based immunotherapy for successful inhibition and induction of regression in preclinical models of breast cancer and pancreatic cancer.
    [FibroGenesis]

    Press Release

    Theralink® Technologies Moves Closer toward Changing the Standard of Care for All Women Newly Diagnosed with HER2+ Breast Cancer

    Theralink Technologies, Inc. was named commercial provider of its patented Reverse Phase Protein Array technology for breast cancer patients, if the proposed study has a positive outcome.
    [Theralink Technologies, Inc. (PR Newswire, LLC)]

    Press Release

    FEATURED EVENT

    EMBO Workshop: Long-Distance Cell-Cell Signaling in Development and Disease

    September 5 – 8, 2021
    Exeter, England, United Kingdom

    > See All Events

    JOB OPPORTUNITIES

    Research Fellow – Breast Cancer Biology

    Dana-Farber Cancer Institute – Boston, Massachusetts, United States

    Scientific Officer – Signaling & Cancer Metabolism Team

    Institute of Cancer Research – London, England, United Kingdom

    PhD Student – Metastatic Breast Cancer

    German Cancer Research Center in the Helmholtz Association – Heidelberg, Germany

    Senior Scientist – Assay Development

    CyberCoders – San Diego, California, United States

    Postdoctoral Position – Cancer Immunotherapy

    University of Notre Dame – Notre Dame, Indiana, United States

    > See All Jobs

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