Mammary Cell News Volume 14.09 | Mar 10 2022

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    2022-03-10 | MCN 14.09


    Mammary Cell News by STEMCELL Technologies
    Vol. 14.09 – 10 March, 2022
    TOP STORY

    Bisphenol A Replacement Chemicals, BPF and BPS, Induce Protumorigenic Changes in Human Mammary Gland Organoid Morphology and Proteome

    Researchers used a highly physiologically relevant human breast tissue-derived organoid system and provided evidence that replacement bisphenols had protumorigenic effects on the mammary gland at morphologic and proteomic levels.
    [Proceedings of the National Academy of Sciences of the United States of America]

    Full Article
    Request your free copy of the 'Directed Differentiation of Pluripotent Stem Cells' Wallchart
    PUBLICATIONSRanked by the impact factor of the journal

    A Micropeptide XBP1SBM Encoded by lncRNA Promotes Angiogenesis and Metastasis of TNBC via XBP1s Pathway

    Scientists identified a 21-amino-acid survival-associated micropeptide XBP1SBM, encoded by the long non-coding RNA (lncRNA) MLLT4-AS1, which was upregulated in TNBC tissues and glutamine-deprived TNBC cell lines.
    [Oncogene]

    Abstract

    Rab8A Promotes Breast Cancer Progression by Increasing Surface Expression of Tropomyosin-Related Kinase B

    The authors investigated the interaction of ras-related protein in brain (Rab8A) and tropomyosin-related kinase B in regulating the progression of breast cancer. Rab8A was upregulated in breast cancer tissues.
    [Cancer Letters]

    Abstract

    Reducing N6AMT1-Mediated 6mA DNA Modification Promotes Breast Tumor Progression via Transcriptional Repressing Cell Cycle Inhibitors

    Investigators found that decreases in N6AMT1 correlated with the extent of DNA N6-methyladenosine (6mA) in clinical breast cancer (BC) tissues and predicted a worse survival of BC patients.
    [Cell Death & Disease]

    Full Article

    Tocilizumab Overcomes Chemotherapy Resistance in Mesenchymal Stem-Like Breast Cancer by Negating Autocrine IL-1A Induction of IL-6

    In order to gain insight into pathways that contributed to the divergent sensitivity to chemotherapy, scientists compared the inflammatory profile of two TNBC subtypes treated with docetaxel.
    [npj Breast Cancer]

    Full Article

    Estrogen Receptor Inhibition Mediates Radiosensitization of ER-Positive Breast Cancer Models

    Researchers investigated the effects of inhibiting estrogen receptor (ER) signaling in combination with ionizing radiation in multiple preclinical ER-positive breast cancer models.
    [npj Breast Cancer]

    Full Article

    Myoepithelial Progenitors as Founder Cells of Hyperplastic Human Breast Lesions upon PIK3CA Transformation

    The myoepithelial lineage of human breast is comprised of bipotent and multipotent progenitors in ducts and terminal duct lobular units. Investigators assessed whether this heterogeneity impacted on oncogenic PIK3CA transformation.
    [Communications Biology]

    Full Article

    BCL2A1 Regulates Canady Helios Cold Plasma-Induced Cell Death in Triple-Negative Breast Cancer

    The authors investigated the expression profile of 48 apoptotic and 35 oxidative gene markers after canady helios cold plasma treatment in six different types of breast cancer cell lines.
    [Scientific Reports]

    Full Article

    Exosomal MMP-1 Transfers Metastasis Potential in Triple-Negative Breast Cancer through PAR1-Mediated EMT

    MDA-MB-231-HM cells secreted exosomes enriched matrix metalloproteinase-1 (MMP-1), which could be taken up and enhanced invasion and migration activities of TNBC cells, including MDA-MB-231, MDA-MB-468 and BT549.
    [Breast Cancer Research and Treatment]

    Abstract
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    REVIEWS

    MUC1 Is a Potential Target to Overcome Trastuzumab Resistance in Breast Cancer Therapy

    Investigators discussed possible resistance mechanisms to trastuzumab and introduced mucin 1 (MUC1) as a potential target efficient for overcoming such resistance.
    [Cancer Cell International]

    Full Article
    INDUSTRY AND POLICY NEWS

    Phase III TROPiCS-02 Study Met the Primary Endpoint of Progression-Free Survival in Late-Line HR+/HER2 Metastatic Breast Cancer

    Gilead Sciences, Inc. announced results from the Phase III TROPiCS-02 study evaluating Trodelvy® (sacituzumab govitecan-hziy) in patients with HR+/HER2 metastatic breast cancer who received prior endocrine therapy, CDK4/6 inhibitors and two to four lines of chemotherapy.
    [Gilead Sciences, Inc.]

    Press Release
    FEATURED EVENT

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    April 8 – 13, 2022
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    JOB OPPORTUNITIES

    Postdoctoral Training Fellow – Gene Function

    Institute of Cancer Research – London, England, United Kingdom

    Postdoctoral – Breast Cancer Genetics

    Diagnostisk Center, Rigshospitalet – Copenhagen, Denmark

    Senior Scientific Officer – Functional Genomics

    Institute of Cancer Research – London, England, United Kingdom

    Research Fellow – Cancer Metabolism and Tumour Immunology

    Monash University – Clayton, Australia

    Postdoctoral Position – Breast Cancer Precision Oncology

    German Cancer Research Center in the Helmholtz Association – Heidelberg, German

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