Mammary Cell News Volume 13.00 | Jan 7 2021

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    2021-01-07 | MCN 13.00


    Mammary Cell News by STEMCELL Technologies
    Vol. 13.00 – 7 January, 2021
    TOP STORY

    Integrin αvβ6–TGFβ–SOX4 Pathway Drives Immune Evasion in Triple-Negative Breast Cancer

    The authors identified the SOX4 transcription factor as an important resistance mechanism to T cell-mediated cytotoxicity for TNBC cells.
    [Cancer Cell]

    AbstractGraphical Abstract

    Explore scientific events this January with the Science Events Calendar.
    PUBLICATIONSRanked by the impact factor of the journal

    MaTAR25 lncRNA Regulates the Tensin1 Gene to Impact Breast Cancer Progression

    Researchers report on Mammary Tumor Associated RNA 25 (MaTAR25), a nuclear enriched and chromatin associated lncRNA that played a role in mammary tumor cell proliferation, migration, and invasion, both in vitro and in vivo.
    [Nature Communications]

    Full ArticlePress Release

    Hypoxia-Induced Suppression of Alternative Splicing of MBD2 Promotes Breast Cancer Metastasis via Activation of FZD1

    Scientists report that under hypoxic conditions, alternative splicing of MBD2 was suppressed, favoring the production of MBD2a which facilitated breast cancer metastasis.
    [Cancer Research]

    Abstract

    Th1 Cytokine Interferon Gamma Improves Response in HER2 Breast Cancer by Modulating the Ubiquitin Proteasomal Pathway

    Researchers investigated the relationship between Th1 immune response and the proteasomal degradation pathway, in HER2 sensitive and resistant cells.
    [Molecular Therapy]

    AbstractFull ArticleGraphical Abstract

    Oxi-Redox Selective Breast Cancer Treatment: An In Vitro Study of Theranostic In-Based Oxide Nanoparticles for Controlled Generation or Prevention of Oxidative Stress

    Investigators used malignant and nonmalignant human breast cell lines to demonstrate how controlled oxidative stress was mediated by specifically nanoengineered indium tin oxide nanoparticles could selectively induce cell death in the cancer cells while reducing the oxidative stress in the normal cells and supporting their proliferation.
    [ACS Applied Materials & Interfaces]

    AbstractGraphical Abstract

    Breast Cancer Exosomes Contribute to Pre-Metastatic Niche Formation and Promote Bone Metastasis of Tumor Cells

    Researchers indicated that breast cancer cell-derived exosomes played an important role in promoting breast cancer bone metastasis, which was associated with the formation of a pre-metastatic niche via transferring miR-21 to osteoclasts.
    [Theranostics]

    Full Article

    Ribosome 18S m6A Methyltransferase METTL5 Promotes Translation Initiation and Breast Cancer Cell Growth

    Scientists found that METTL5 showed strong substrate preference toward the 18S A1832 motif but not the other reported m6A motifs.
    [Cell Reports]

    AbstractGraphical Abstract

    Comprehensive Landscape of Epigenetic-Dysregulated lncRNAs Reveals a Profound Role of Enhancers in Carcinogenesis in Breast Cancer Subtypes

    The authors analyzed the epigenetic alterations of long non-coding RNAs (lncRNAs) at important regulatory elements in three breast cancer subtypes.
    [Molecular Therapy-Nucleic Acids]

    AbstractFull ArticleGraphical Abstract

    AP-2γ Is Required for Maintenance of Multipotent Mammary Stem Cells

    Researchers utilized an inducible, conditional knockout of Tfap2c to elucidate the role of AP-2γ in the maintenance and differentiation of mammary stem cells.
    [Stem Cell Reports]

    Full Article

    MCM3 Upregulation Confers Endocrine Resistance in Breast Cancer and Is a Predictive Marker of Diminished Tamoxifen Benefit

    Investigators evaluated the mechanism by which minichromosome maintenance protein 3 (MCM3) influenced endocrine resistance and its predictive/prognostic potential in estrogen receptor-positive breast cancer.
    [npj Breast Cancer]

    Full Article

    Circulating tRNA-Derived Small RNAs (tsRNAs) Signature for the Diagnosis and Prognosis of Breast Cancer

    Scientists identified tsRNAs in plasma that could distinguish patients with breast cancer from healthy controls. Based on high-throughput sequencing, 15 significantly upregulated tsRNAs were selected and assessed in cell supernatants and cell lines.
    [npj Breast Cancer]

    Full Article

    Inhibition of Interferon-Signaling Halts Cancer-Associated Fibroblast-Dependent Protection of Breast Cancer Cells from Chemotherapy

    Researchers showed that cancer-associated fibroblasts-induced activation of interferon signaling in claudin-low TNBCs resulted in chemoresistance.
    [British Journal of Cancer]

    Abstract

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    REVIEWS

    Putting the BRK on Breast Cancer: From Molecular Target to Therapeutics

    The authors consolidate all known inhibitors of breast tumor kinase (BRK) activity and highlight the connection between drug action and BRK-mediated effects.
    [Theranostics]

    Full Article

    LOX-1 and Cancer: An Indissoluble Liaison

    Investigators outline the role of LOX-1 in tumor spreading and metastasis, evidencing its function in VEGF induction, HIF-1alpha activation, and MMP-9/MMP-2 expression, pushing up the neoangiogenic and the epithelial-mesenchymal transition process in glioblastoma, osteosarcoma, prostate, colon, breast, lung, and pancreatic tumors.
    [Cancer Gene Therapy]

    Full Article

    INDUSTRY AND POLICY NEWS

    FDA Grants ARX788 Fast Track Designation for HER2-Positive Metastatic Breast Cancer

    Ambrx Inc. announced that the FDA granted ARX788 Fast Track Designation as monotherapy for the treatment of advanced or metastatic HER2-positive breast cancer patients who have received one or more prior anti-HER2 based regimens in the metastatic setting.
    [Ambrx Inc.]

    Press Release

    Everest Medicines Initiates Submission of New Drug Application in Singapore for Sacituzumab Govitecan-Hziy for the Treatment of Metastatic Triple-Negative Breast Cancer

    Everest Medicines announced that it has initiated the submission of a New Drug Application to the Health Sciences Authority of Singapore for sacituzumab govitecan-hziy for the treatment of patients with metastatic TNBC who have received at least two prior therapies for metastatic disease.
    [Everest Medicines]

    Press Release

    FEATURED EVENT

    Antibodies and Vaccines as Drugs for COVID-19

    January 13 – 14, 2021
    Virtual

    > See All Events

    JOB OPPORTUNITIES

    Post-Doctoral Research Fellow – Breast Cancer Tumors

    Fred Hutchinson Cancer Research Center – Seattle, Washington, United States

    Researcher – Cancer

    Medical University of Gdańsk – Gdańsk, Poland

    Postdoctoral Position – Breast Cancer

    University of Iowa Carver College of Medicine – Iowa City, Iowa, United States

    Research Associate – Systems Cancer Pathology

    University of Cambridge – Cambridge, England, United Kingdom

    Senior Research Assistant – Targeted Therapy in Breast Cancer

    Baylor College of Medicine – Houston, Texas, United States

    > See All Jobs

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