Mammary Cell News Volume 13.09 | Mar 11 2021

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    2021-03-11 | MCN 13.09


    Mammary Cell News by STEMCELL Technologies
    Vol. 13.09 – 11 March, 2021
    TOP STORY

    Time-Resolved Single-Cell Analysis of Brca1 Associated Mammary Tumorigenesis Reveals Aberrant Differentiation of Luminal Progenitors

    Researchers found that perturbing Brca1/p53 in luminal progenitors induced aberrant alveolar differentiation pre-malignancy accompanied by pro-tumorigenic changes in the immune compartment.
    [Nature Communications]

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    Long-Term Culture, Genetic Manipulation and Xenotransplantation of Human Normal and Breast Cancer Organoids

    Scientists introduced an optimized method for orthotopic organoid transplantation in mice, which included injection of organoids and estrogen pellets without the need for surgery.
    [Nature Protocols]

    Abstract

    Local Accumulation of Extracellular Matrix Regulates Global Morphogenetic Patterning in the Developing Mammary Gland

    Researchers combined analysis of pubertal mouse mammary glands, a 3D-printed engineered tissue model, and computational models of morphogenesis to investigate the origin and the dynamics of the global bias in epithelial orientation during pubertal mammary development.
    [Current Biology]

    Full Article

    Bulk and Single-Cell Transcriptome Profiling Reveal the Metabolic Heterogeneity in Human Breast Cancers

    Scientists characterized the energy-related metabolic features of breast cancers through integrative analyses of multiple datasets with genomics, transcriptomics, metabolomics, and single-cell transcriptome profiling.
    [Molecular Therapy]

    Abstract

    Functional Cooperation between Co-Amplified Genes Promotes Aggressive Phenotypes of HER2-Positive Breast Cancer

    Investigators observed significantly promoted onset, growth, metastasis, and multiplicity of HER2 tumors by mediator subunit 1 overexpression.
    [Cell Reports]

    Full ArticlePress ReleaseGraphical Abstract

    Stromal NRG1 in Luminal Breast Cancer Defines Pro-Fibrotic and Migratory Cancer-Associated Fibroblasts

    Researchers showed that phosphorylation and activation of HER3 in luminal breast cancer cells occurred in a paracrine manner and was mediated by NRG1 expressed by cancer-associated fibroblasts.
    [Oncogene]

    Full Article

    CTGF Regulates Cell Proliferation, Migration, and Glucose Metabolism through Activation of FAK Signaling in Triple-Negative Breast Cancer

    Investigators demonstrated a mechanistic link between connective tissue growth factor (CTGF) and enhanced aerobic glycolysis in TNBC.
    [Oncogene]

    Abstract

    NOTCH and EZH2 Collaborate to Repress PTEN Expression in Breast Cancer

    When comparing breast tumors to adjacent normal ducts, PTEN expression was decreased and the PRC2-associated methyltransferase EZH2 was increased.
    [Communications Biology]

    Full Article

    MAGI1 Inhibits the AMOTL2/p38 Stress Pathway and Prevents Luminal Breast Tumorigenesis

    The authors showed that the loss of the junctional scaffold protein MAGI1 was associated with a bad prognosis in luminal breast cancer, and promoted tumorigenesis.
    [Scientific Reports]

    Full Article

    Pentagalloyl Glucose Inhibits TNF-α-Activated CXCL1/GRO-α Expression and Induces Apoptosis-Related Genes in Triple-Negative Breast Cancer Cells

    Investigators examined the natural compound pentagalloyl glucose (PGG) effects on TNF-α activated TNBC cell lines. The results obtained showed that PGG reduced the expression of the cytokine GRO-α/CXCL1.
    [Scientific Reports]

    Full Article

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    REVIEWS

    Regulatory Mechanisms, Functions, and Clinical Significance of CircRNAs in Triple-Negative Breast Cancer

    Scientists review the biogenesis, regulatory mechanisms, and biological functions of circRNAs in TNBC and summarize the relationship between circRNAs expression and the clinicopathology, diagnosis, and prognosis of patients with TNBC.
    [Journal of Hematology & Oncology]

    Full Article

    Oncogenic Functions and Therapeutic Targeting of EphA2 in Cancer

    The authors summarize preclinical studies supporting the oncogenic role of EphA2 in breast cancer, lung cancer, glioblastoma, and melanoma while delineating the differing roles of canonical and noncanonical EphA2 signaling in each setting.
    [Oncogene]

    Abstract

    INDUSTRY AND POLICY NEWS

    Greenwich LifeSciences Hires Industry Expert, Dr. Jaye Thompson, to Manage Phase III Clinical Trial for Recurring Breast Cancer

    Greenwich LifeSciences, Inc., focused on the development of GP2, immunotherapy to prevent breast cancer recurrences in patients who have previously undergone surgery announced the hiring of Jaye Thompson as Vice President Clinical and Regulatory Affairs to oversee the upcoming GP2 Phase III clinical trial on a full time basis.
    [Greenwich LifeSciences, Inc.]

    Press Release

    FEATURED EVENT

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    June 14 – 18, 2021
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    JOB OPPORTUNITIES

    Postdoctoral Fellow – Mammary Gland Biology

    Tulane School of Medicine – New Orleans, Louisiana, United States

    Postdoctoral Research Associate – Breast Cancer Research

    University of Illinois at Urbana-Champaign – Urbana, Illinois, United States

    Business Unit Head – Breast Cancer

    Gilead Sciences, Inc. – Zug, Switzerland

    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

    > See All Jobs

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