Mammary Cell News Volume 16.07 | Feb 22 2024

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    2024-02-22 | MCN 16.07


    Mammary Cell News by STEMCELL Technologies
    Vol. 16.07 – 22 February, 2024
    TOP STORY

    Mutant p53 Protects Triple-Negative Breast Adenocarcinomas from Ferroptosis In Vivo

    Investigators used an autochthonous somatic TNBC mouse model, in which mutant p53 could be toggled on and off genetically while leaving the tumor microenvironment intact and wild-type for p53 to identify physiological dependencies on mutant p53.
    [Science Advances]

    Full Article
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    Cooperative Pro-Tumorigenic Adaptation to Oncogenic RAS through Epithelial-to-Mesenchymal Plasticity

    Using inducible models of human mammary epithelial cells, the authors demonstrated that the oncogenic activation of RAS promoted zinc finger e-box binding homeobox dependent epithelial-to-mesenchymal plasticity, which was necessary for malignant transformation.
    [Science Advances]

    Full Article

    CD24 Negativity Reprograms Mitochondrial Metabolism to PPARα and NF-κB-Driven Fatty Acid β-Oxidation in Triple-Negative Breast Cancer

    Using CD24 knock-down and over-expression TNBC models, in vitro and in vivo analysis revealed that CD24 was a tumor suppressor in metastatic TNBC.
    [Cancer Letters]

    Abstract

    Hsa_circ_0007990 Promotes Breast Cancer Growth via Inhibiting YBX1 Protein Degradation to Activate E2F1 Transcription

    Differentially expressed circular RNAs (circRNAs) in breast cancer were identified by integrating breast tumor-associated somatic copy number variation data and circRNA high-throughput sequencing.
    [Cell Death & Disease]

    Full Article

    LncRNA PRBC Induces Autophagy to Promote Breast Cancer Progression through Modulating PABPC1-Mediated mRNA Stabilization

    Researchers discovered a novel long noncoding RNA (lncRNA) whose expression was significantly increased in breast cancer tissues.
    [Oncogene]

    Abstract

    Metabolic Adaptation towards Glycolysis Supports Resistance to Neoadjuvant Chemotherapy in Early Triple Negative Breast Cancers

    Human TNBC cell lines and patient-derived organoids were used in combination with real-time metabolic assays to evaluate the effect of neoadjuvant chemotherapy on tumor cell metabolism, in particular glycolysis.
    [Breast Cancer Research]

    Full Article

    Toxoflavin Analog D43 Exerts Antiproliferative Effects on Breast Cancer by Inducing ROS-Mediated Apoptosis and DNA Damage

    Scientists synthesized a series of toxoflavin analogs, among which D43 displayed a significant dose-dependent inhibitory effect on the proliferation of TNBC cells.
    [Scientific Reports]

    Full Article

    Selection of Internalizing RNA Aptamers into Human Breast Cancer Cells Derived from Primary Sites

    Investigators selected RNA aptamers internalized by MGSO-3 cells derived from a primary site previously established in their laboratory.
    [Journal Of Cellular Biochemistry]

    Abstract

    Upregulation of p300 in Paclitaxel-Resistant TNBC: Implications for Cell Proliferation via the PCK1/AMPK Axis

    Researchers explored the role of p300 in the context of paclitaxel resistance in TNBC cells, focusing on its interaction with the phosphoenolpyruvate carboxykinase 1 (PCK1)/adenosine monophosphate-activated protein kinase (AMPK) pathway.
    [The Pharmacogenomics Journal]

    Abstract
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    REVIEWS

    Cellular and Micro-Environmental Responses Influencing the Antitumor Activity of All-Trans Retinoic Acid in Breast Cancer

    The authors summarize the available information on the action exerted by all-trans retinoic acid on the breast cancer micro-environment, an emerging determinant of the progression and invasive behaviour of solid tumors.
    [Cell Communication And Signaling]

    Full Article
    INDUSTRY AND POLICY NEWS

    Blackford and b-rayZ Partner to Bring AI Powered Breast Cancer Solutions to Healthcare Providers

    Blackford and b-rayZ announced a commercial partnership to bring the b-box plus solution to healthcare professionals.
    [b-rayZ]

    Press Release
    FEATURED EVENT

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    JOB OPPORTUNITIES

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    Cedars Sinai Medical Center – Los Angeles, California, United States

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    UC Davis – Davis, California, United States

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    Cyprus Cancer Research Institute – Aglandjia, Cyprus

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    Dana-Farber – Boston, Massachusetts, United States

    Clinical Research Physician – Ovarian and Breast Cancer

    National Cancer Institute – Bethesda, Maryland, United States

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