Mammary Cell News Volume 16.15 | Apr 18 2024

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    2024-07-18 | MCN 16.15


    Mammary Cell News by STEMCELL Technologies
    Vol. 16.15 – 18 April, 2024
    TOP STORY

    A Glycolytic Metabolite Bypasses “Two-Hit” Tumor Suppression by BRCA2

    The authors reported that the glycolytic metabolite methylglyoxal transiently bypasses Knudson’s paradigm by inactivating the breast cancer suppressor protein BRCA2 to elicit a cancer-associated, mutational single-base substitution signature in nonmalignant mammary cells or patient-derived organoids.
    [Cell]

    Full ArticleGraphical Abstract
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    Genetic Interactions Reveal Distinct Biological and Therapeutic Implications in Breast Cancer

    Researchers investigated a large-scale multi-omics cohort and a real-world clinical sequencing cohort including several clinical trials with detailed treatment outcomes, and performed functional validation in patient-derived organoids, tumor fragments, and in vivo models.
    [Cancer Cell]

    AbstractGraphical Abstract

    Physiological DNA Damage Promotes Functional Endoreplication of Mammary Gland Alveolar Cells During Lactation

    The authors showed that DNA damage accumulates due to replication stress during pregnancy, activating the DNA damage response.
    [Nature Communications]

    Full Article

    Pharmacological Induction of Chromatin Remodeling Drives Chemosensitization in Triple-Negative Breast Cancer

    Investigators reported that chemotherapeutic eribulin induced ZEB1 switch/sucrose non-fermentable (SWI/SNF)-directed chromatin remodeling to reverse epithelial-to-mesenchymal transition that curtailed the metastatic propensity of TNBC preclinical models.
    [Cell Reports Medicine]

    Full ArticleGraphical Abstract

    MILIP Binding to tRNAs Promotes Protein Synthesis To Drive Triple-Negative Breast Cancer

    Scientists reported that the long noncoding RNA MILIP supported TNBC cell survival, proliferation, and tumorigenicity by complexing with transfer RNAs (tRNA) to promote protein production, thus representing a potential therapeutic target in TNBC.
    [Cancer Research]

    Abstract

    Sprouty Genes Regulate Activated Fibroblasts in Mammary Epithelial Development and Breast Cancer

    Researchers showed in mammary stromal fibroblasts that loss of the receptor tyrosine kinase (RTK) negative feedback regulators encoded by Spry1, Spry2, and Spry4 caused upregulation of signaling in multiple RTK pathways and increased extracellular matrix remodeling.
    [Cell Death & Disease]

    Full Article

    Neratinib Could Be Effective As Monotherapy or in Combination with Trastuzumab in HER2-Low Breast Cancer Cells and Organoid Models

    The authors investigated the effect of trastuzumab monotherapy and its combination with different HER2 targeting treatments in a panel of breast cancer cell lines and patient-derived organoids using biochemical methods and cell viability assays.
    [British Journal Of Cancer]

    Full Article

    Selective Impact of ALK and MELK Inhibition on ERα Stability and Cell Proliferation in Cell Lines Representing Distinct Molecular Phenotypes of Breast Cancer

    Scientists identified enhanced sensitivity of ERα-positive breast cancer cell lines to anaplastic lymphoma kinase (ALK) and maternal embryonic leucine zipper kinase (MELK) inhibitors, inducing ERα degradation and diminishing proliferation in specific breast cancer subtypes.
    [Scientific Reports]

    Full Article
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    REVIEWS

    FGFR4-Driven Plasticity in Breast Cancer Progression and Resistance to Therapy

    The authors summarize the role of FGFR4 in breast cancer, with a special focus on its contribution to subtype switching during metastatic spread and/or induced by therapy.
    [British Journal Of Cancer]

    Abstract

    INDUSTRY AND POLICY NEWS

    Atossa Therapeutics and Quantum Leap Healthcare Announce I-SPY 2 Clinical Trial To Evaluate (Z)-Endoxifen in Combination with Abemaciclib (VERZENIO®) in Women with ER+/HER2- Breast Cancer

    Atossa Therapeutics, Inc. and Quantum Leap Healthcare Collaborative announced the initiation of a new study to evaluate Atossa’s (Z)-endoxifen in combination with abemaciclib, a cyclin-dependent kinase inhibitor marketed by Eli Lilly and Company, in women with ER+/HER2- breast cancer.
    [Atossa Therapeutics, Inc.]

    Press Release
    FEATURED EVENT

    2024 ASCO Annual Meeting

    May 31 – June 4, 2024
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    JOB OPPORTUNITIES

    Laboratory Research Technician – Pathology

    University of Pittsburgh – Pittsburgh, Pennsylvania, United States

    Research Technician – Ovarian & Breast Cancer

    Indiana University School of Medicine – Indianapolis, Indiana, United States

    Postdoctoral Fellow – Cancer Research

    Medical College of Wisconsin – Milwaukee, Wisconsin, United States

    Postdoctoral Fellow – Biochemistry and Molecular Biology

    Indiana University School of Medicine – Indianapolis, Indiana, United States

    Postdoctoral Fellow – Cancer Epigenomics

    Princess Margaret Cancer Centre – Toronto, Ontario, Canada

    > See All Jobs

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