Mammary Cell News Volume 15.15 | April 20 2023

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    2023-04-20 | MCN 15.15


    Mammary Cell News by STEMCELL Technologies
    Vol. 15.15 – 20 April, 2023
    TOP STORY

    Kinome Reprogramming Is a Targetable Vulnerability in ESR1 Fusion-Driven Breast Cancer

    To discover alternative treatments to transcriptionally active ESR1 gene fusions (ESR1-TAF), a mass spectrometry-based kinase inhibitor pulldown assay was deployed to identify druggable kinases that were upregulated by diverse ESR1-TAFs.
    [Cancer Research]

    Abstract
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    PUBLICATIONSRanked by the impact factor of the journal

    An In Vivo CRISPR Screen Identifies That SNRPC Promotes Triple-Negative Breast Cancer Progression

    To identify oncogenic RNA-binding proteins in TNBC, researchers employed an in vivo CRISPR screen and a TNBC progression model, which revealed small nuclear ribonucleoprotein polypeptide C (SNRPC) as a key modulator of TNBC progression.
    [Cancer Research]

    Abstract

    PRR15 Deficiency Facilitates Malignant Progression by Mediating PI3K/Akt Signaling and Predicts Clinical Prognosis in Triple-Negative Rather Than Non-Triple-Negative Breast Cancer

    Scientists investigated the biological role and clinical applications of proline rich 15 (PRR15) on TNBC. PRR15 gene was differentially expressed between TNBC and non-TNBC patients, previously described as an oncogenic factor in breast cancer.
    [Cell Death & Disease]

    Full Article

    Secretome Mediated Interactions between Sensory Neurons and Breast Cancer Cells

    Investigators examined in vitro reciprocal effect between breast cancer cells and cancer-sensitized peripheral primary sensory neurons. Secretome obtained from either cultured DRG neurons from tumor-burdened rats, or MRMT1 breast cancer cells were used to study neuronal and cancer cell reciprocity.
    [International Journal of Cancer]

    AbstractGraphical Abstract

    Pro- and Anti-Tumor Activities of CD146/MCAM in Breast Cancer Result from Its Heterogeneous Expression and Association with Epithelial to Mesenchymal Transition

    Researchers showed that CD146 negatively regulated transendothelial migration in breast cancer. This inhibitory activity was reflected by a reduction in melanoma cell adhesion molecule (MCAM) gene expression and increased promoter methylation in tumor tissue compared to normal breast tissue.
    [Frontiers in Cell and Developmental Biology]

    Full Article

    Withaferin A Inhibits Breast Cancer-Induced Osteoclast Differentiation

    The authors investigated whether withaferin A (WA) inhibited breast cancer induction of osteoclast differentiation. At plasma achievable doses, WA treatment inhibited osteoclast differentiation induced by three different subtypes of breast cancer cells.
    [Molecular Carcinogenesis]

    Abstract

    IKKα Inhibition Re-sensitizes Acquired Adriamycin-Resistant Triple Negative Breast Cancer Cells to Chemotherapy-Induced Apoptosis

    Investigators obtained pre-treatment biopsy and post-treatment mastectomy specimens from a retrospective cohort of TNBC patients treated with neoadjuvant chemotherapy.
    [Scientific Reports]

    Full Article

    Polypropylene Microplastics Promote Metastatic Features in Human Breast Cancer

    Scientists studied the effect that 16.4 µm fragment type polypropylene microplastics, which have an irregular shape and sharp edges and form naturally in the environment, had on breast cancer.
    [Scientific Reports]

    Full Article

    miRNA-128 and miRNA-223 Regulate Cholesterol-Mediated Drug Resistance in Breast Cancer

    Three breast cancer cell lines were treated with a combination of 1 μM tamoxifen and 10 μM of a cholesterol depleting agent following transfection with a miR-128 inhibitor or a miR-223 mimic.
    [Iubmb Life]

    Full Article

    Breast Cancer Cell Secretome Analysis to Decipher miRNA Regulating the Tumor Microenvironment and Discover Potential Biomarkers

    Mass spectrometry analysis of miRNA-overexpressed cell lines MCF7-miR526b, MCF7-miR655, and miRNA-low MCF7-Mock cell-free secretomes identified 34 differentially expressed proteins coded by eight genes.
    [Heliyon]

    Full Article
    Virtual Conference Exhibition: Organoids
    REVIEWS

    Disruption of Lineage Integrity as a Precursor to Breast Tumor Initiation

    The authors review recent studies that have yielded insights into important regulators of lineage integrity and mechanisms that trigger mammary epithelial lineage derail, and evaluate their impacts on breast tumor development.
    [Trends in Cell Biology]

    Abstract
    INDUSTRY AND POLICY NEWS

    UTSA Researchers Receive $1 Million to Develop New Therapies for Ovarian and Breast Cancers from Naturally Occurring Compounds

    The Cancer Prevention and Research Institute of Texas has granted $1.05 million to The University of Texas at San Antonio (UTSA) for cancer research.
    [The University of Texas at San Antonio]

    Press Release
    FEATURED EVENT

    Hypoxia: From Basic Mechanisms to Emerging Therapies

    May 28 – 31, 2023
    Killarney, Ireland

    > See All Events

    JOB OPPORTUNITIES

    Postdoctoral Fellow – Tumor Biology

    University of Gothenburg – Gothenburg, Sweden

    Postdoctoral Research Associate – Head and Neck Cancer

    University of Liverpool – Liverpool, England, United Kingdom

    Specialist – StainsFile

    STEMCELL Technologies, Inc. – Vancouver, British Columbia, Canada

    Postdoctoral Research Scientist – Breast Cancer Research

    Columbia University Irving Medical Center – New York City, New York, United States

    Staff Scientist – Molecular and Cellular Mechanisms of Breast Cancer Initiation

    Baylor College of Medicine – Houston, Texas, United States

    > See All Jobs

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