Mammary Cell News Volume 15.12 | Mar 30 2023

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    2023-03-30 | MCN 15.12


    Mammary Cell News by STEMCELL Technologies
    Vol. 15.12 – 30 March, 2023
    TOP STORY

    Apoptosis-Induced Nuclear Expulsion in Tumor Cells Drives S100a4-Mediated Metastatic Outgrowth through the RAGE Pathway

    Researchers reported that apoptotic cancer cells enhanced the metastatic outgrowth of surviving cells through peptidylarginine deiminase 4-mediated nuclear expulsion.
    [Nature Cancer]

    Full Article
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    LncRNA LITATS1 Suppresses TGF-β-Induced EMT and Cancer Cell Plasticity by Potentiating TβRI Degradation

    Scientists reported that the long noncoding RNA LITATS1 was an epithelial gatekeeper in normal epithelial cells and inhibited epithelial-mesenchymal transition in breast and non-small cell lung cancer cells. Transcriptome analysis identified LITATS1 as a TGF-β target gene.
    [EMBO Journal]

    Full ArticleGraphical Abstract

    SIM2s Directed Parkin-Mediated Mitophagy Promotes Mammary Epithelial Cell Differentiation

    Using tissue-specific mouse models, investigators found that loss of single-minded 2 (Sim2) reduced lactation performance, whereas gain of Sim2s enhanced and extended lactation performance and survival of mammary epithelial cells.
    [Cell Death & Differentiation]

    Full ArticleGraphical Abstract

    cRGD-Modified Nanoparticles of Multi-Bioactive Agent Conjugate with pH-Sensitive Linkers and PD-L1 Antagonist for Integrative Collaborative Treatment of Breast Cancer

    Thea authors developed cRGD-modified nanoparticles of a conjugate of doxorubicin, adjudin, and D-α-tocopherol polyethylene glycol 1000 succinate linked with pH-sensitive bonds, and then combined the nanoparticles with PD-L1 antagonist to treat 4T1 TNBC.
    [Nanoscale Horizons]

    AbstractGraphical Abstract

    Sustained IP3-Linked Ca2+ Signaling Promotes Progression of Triple Negative Breast Cancer Cells by Regulating Fatty Acid Metabolism

    Scientists found that TNBC cells displayed frequent, spontaneous inositol 1,4,5-trisphosphate (IP3)-dependent Ca2+ oscillations, which were sensed by mitochondria.
    [Frontiers in Cell and Developmental Biology]

    Full Article

    Inhibition of lncRNA PCAT19 Promotes Breast Cancer Proliferation

    Researchers performed various bioinformatic analyses, including machine learning models to identify critical regulatory lncRNAs affecting prognosis in breast cancer. The in situ hybridization assay was carried out to confirm the expression levels of lncRNA PCAT19 in tissue specimens.
    [Cancer Medicine]

    Full Article

    Development and Characterization of a Patient-Derived Orthotopic Xenograft of Therapy-Resistant Breast Cancer

    The authors developed and characterized patient‑derived orthotopic xenografts from patients with endocrine hormone receptor‑positive, HER2‑negative metastatic breast cancer who had relapsed on therapy.
    [Oncology Reports]

    Abstract

    Crocin Suppresses Breast Cancer Cell Proliferation by Down-Regulating Tumor Promoter miR-122-5p and Up-Regulating Tumor Suppressors FOXP2 and SPRY2

    The cytotoxicity of crocin was evaluated by CCK-8 assay. Cell proliferation was assessed using EdU incorporation assay and western blot analysis. Breast cancer-related genes were extracted from GEPIA.
    [Environmental Toxicology]

    Abstract

    Hyperglycemia Induces PFKFB3 Overexpression and Promotes Malignant Phenotype of Breast Cancer through RAS/MAPK Activation

    Immunohistochemistry was adopted to analyze the protein level of 6-phosphofructose-2-kinase/fructose-2, 6-bisphosphatase 3 (PFKFB3) in benign breast tissues, invasive ductal carcinoma with diabetes, and invasive ductal carcinoma without diabetes.
    [World Journal of Surgical Oncology]

    Full Article
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    REVIEWS

    Functionalization of Curcumin Nanomedicines: A Recent Promising Adaptation to Maximize Pharmacokinetic Profile, Specific Cell Internalization, and Anticancer Efficacy against Breast Cancer

    The authors ponder the biomedical significance of various curcumin (Cur)-nanomedicines and adaptable functionalizations for amplifying the physicochemical properties and anticancer efficacy of Cur while reversing the multidrug resistance and reoccurrence in breast cancer.
    [Journal of Nanobiotechnology]

    Full ArticleGraphical Abstract

    The Metabolic Landscape of Breast Cancer and Its Therapeutic Implications

    Scientists illustrate the altered metabolism in breast cancer and its underlying mechanisms, as well as metabolic interventions in breast cancer treatment, with the intention to provide strategies for developing novel therapeutic treatments for breast cancer.
    [Molecular Diagnosis & Therapy]

    Abstract
    INDUSTRY AND POLICY NEWS

    FDA Converts to Full Approval Indication for Keytruda® (Pembrolizumab) for Certain Adult and Pediatric Patients with Advanced Microsatellite Instability-High (MSI-H) or Mismatch Repair Deficient (dMMR) Solid Tumors

    Merck announced that the US FDA has granted full approval to KEYTRUDA for the treatment of adult and pediatric patients with unresectable or metastatic MSI-H or dMMR solid tumors that have progressed following prior treatment and who have no satisfactory alternative treatment options.
    [Merck]

    Press Release
    FEATURED EVENT

    Metastasis

    May 7 – 10, 2023
    Vancouver, British Columbia, Canada

    > See All Events

    JOB OPPORTUNITIES

    Postdoctoral Training Fellow – Cell Death & Immunity

    Institute of Cancer Research – London, England, United Kingdom

    Postdoctoral Training Fellow – Homologous Recombination Defective Cancers

    Institute of Cancer Research – London, England, United Kingdom

    Staff Scientist – Molecular and Cellular Mechanisms of Breast Cancer Initiation

    Baylor College of Medicine – Houston, Texas, United States

    Postdoctoral Research Fellow – Medical Oncology

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

    Postdoctoral Fellowship – Breast Cancer

    Harvard Medical School – Boston, Massachusetts, United States

    > See All Jobs

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