Mammary Cell News Volume 12.48 | Dec 10 2020

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    2020-12-10 | MCN 12.48


    Mammary Cell News by STEMCELL Technologies
    Vol. 12.48 – 10 December, 2020
    TOP STORY

    HIF1A Signaling Selectively Supports Proliferation of Breast Cancer in the Brain

    Scientists found that cultured circulating tumor cells, derived from blood samples of women with advanced breast cancer and directly inoculated into the mouse frontal lobe, exhibited striking differences in proliferative potential in the brain.
    [Nature Communications]

    Full Article


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    VEGF-C
    Mediates Tumor Growth and Metastasis through Promoting EMT-Epithelial Breast Cancer Cell Crosstalk

    Investigators demonstrated a novel mechanism for activation of GLI-mediated signaling in epithelial breast tumor cells via epithelial-to-mesenchymal transition (EMT) cell-induced production and secretion of VEGF-C.
    [Oncogene]

    Abstract

    4-Acyl
    Pyrroles as Dual BET-BRD7/9 Bromodomain Inhibitors Address BETi Insensitive Human Cancer Cell Lines

    The authors optimized a small series of 4-acyl pyrroles, which they further analyzed by ITC, X-ray crystallography, selectivity studies, NCI60 cell-panel, and GI50 determinations for several cancer cell lines.
    [Journal of Medicinal Chemistry]

    AbstractGraphical Abstract

    The
    E3 Ligase UBR2 Regulates Cell Death under Caspase Deficiency via Erk/MAPK Pathway

    Investigators performed a genome-wide siRNA lethality screening and identified the RING-type E3 ubiquitin transferase (UBR2) as a specific regulator of caspase-independent cell death.
    [Cell Death & Disease]

    Full Article

    SPOCK1/SIX1 Axis Promotes Breast Cancer Progression by Activating AKT/mTOR Signaling

    Scientists explored the precise function of SPOCK1 in breast cancer progression and identified the mechanism by which SPOCK1 was involved in cell proliferation and epithelial-mesenchymal transition.
    [Aging]

    Full Article

    CCDC170 Affects Breast Cancer Apoptosis through IRE1 Pathway

    In CCDC170-overexpressing MCF7 breast cancer cells, microarray analyses revealed that inositol-requiring enzyme 1 (IRE1) was the most elevated gene in enriched pathways.
    [Aging]

    Full Article

    Combination
    Treatment with a PI3K/Akt/mTOR Pathway Inhibitor Overcomes Resistance to Anti-HER2 Therapy in PIK3CA-Mutant HER2-Positive Breast Cancer Cells

    Combination therapy with small-molecule inhibitors of AKT and human epidermal growth factor receptor 2 (HER2) was conducted in HER2+ breast cancer cell lines with or without PIK3CA mutations, which led to constitutive activation of the PI3K pathway.
    [Scientific Reports]

    Full Article

    Mammary Epithelial Morphogenesis in 3D Combinatorial Microenvironments

    Investigators revealed that apico-basal polarity of mammary epithelial cells occurred within a narrow range of matrix stiffness, and that phenotypic homogeneity was favored in matrices which were insensitive to MMP-mediated degradation.
    [Scientific Reports]

    Full Article

    Gremlin-1
    Promotes Metastasis of Breast Cancer Cells by Activating STAT3-MMP13 Signaling Pathway

    An orthotopic breast cancer mouse model was used to investigate the role of GREM1 in lung metastasis of breast cancer cells. GREM1 knockdown suppressed the proliferation of breast cancer cells, while its overexpression increased their growth, migration, and invasion.
    [International Journal of Molecular Sciences]

    Full Article


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    REVIEWS

    Extracellular
    Vesicles in Blood: Are They Viable as Diagnostic and Predictive Tools in Breast Cancer?

    Research is underway to identify blood-based extracellular vesicle-associated diagnostic and predictive biomarkers for breast cancer.
    [Drug Discovery Today]

    Abstract

    INDUSTRY AND POLICY NEWS

    Odonate Therapeutics Initiates Cohort 3 of CONTESSA TRIO to Evaluate Tesetaxel Monotherapy in Patients with Metastatic Breast Cancer

    Odonate Therapeutics, Inc. announced the initiation of Cohort 3 of CONTESSA TRIO, which will evaluate tesetaxel monotherapy in approximately 60 non-elderly patients with human epidermal growth factor receptor 2-negative metastatic breast cancer.
    [Odonate Therapeutics, Inc.]

    Press Release

    FDA Approves Novadoz Pharmaceuticals Toremifene and Aminocaproic Acid, Bolstering Their Continued Growth in Generics

    MSN Laboratories Private Limited received FDA approval to market their generic versions of Toremifene 60mg tablets & Aminocaproic Acid 500mg tablet under the Novadoz label. Toremifene 60mg, an estrogen agonist/antagonist for the treatment of metastatic breast cancer in postmenopausal women with estrogen-receptor-positive or unknown tumors.
    [MSN Laboratories Private Limited (PR Newswire, LLC)]

    Press Release

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    JOB OPPORTUNITIES


    Postdoctoral Training Fellow – Breast Cancer Gene Function

    Institute of Cancer Research – London, England, United Kingdom

    Lab Coordinator – Breast Cancer Immunology

    Salk Institute of Biological Studies – La Jolla, California, United States

    Postdoctoral Fellow – Breast Cancer Immuno-Oncology Research

    Salk Institute of Biological Studies – La Jolla, California, United States


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    University of Cincinnati – Cincinnati, Ohio, United States

    Postdoctoral Position – Cancer Biology

    University of Cincinnati – Cincinnati, Ohio, United States

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