Mammary Cell News Volume 15.20 | May 25 2023

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    2023-05-25 | MCN 12.20


    Mammary Cell News by STEMCELL Technologies
    Vol. 12.20 – 25 May, 2023
    TOP STORY

    BRCA1 Insufficiency Induces a Hypersialylated Acidic Tumor Microenvironment That Promotes Metastasis and Immunotherapy Resistance

    Investigators identified a mechanism mediated by sialyltransferases that induced an acidic tumor permissive microenvironment in BRCA1-mutant and most BRCA1-low breast cancers.
    [Cancer Research]

    Abstract
    Activate, expand, and differentiate your cells with cytokines, chemokines, and growth factors from STEMCELL Technologies.
    PUBLICATIONSRanked by the impact factor of the journal

    Chronic Psychological Stress Promotes Breast Cancer Pre-Metastatic Niche Formation by Mobilizing Splenic MDSCs via TAM/CXCL1 Signaling

    The effects and molecular mechanisms of chronic unpredictable mild stress on modulating tumor-associated macrophages (TAMs) and pre-metastatic niche formation were clarified by experiments including multiplex immunofluorescence technique, cytokine array, and chromatin immunoprecipitation.
    [Journal of Experimental & Clinical Cancer Research]

    Full Article

    RIPK1-Dependent Necroptosis Promotes Vasculogenic Mimicry Formation via eIF4E in Triple-Negative Breast Cancer

    Scientists found that receptor interacting protein kinase 1 (RIPK1)-dependent necroptosis promoted vasculogenic mimicry (VM) formation in TNBC. Knockdown of RIPK1 significantly suppressed the number of necroptotic cells and VM formation.
    [Cell Death & Disease]

    Full Article

    ZNF133 Is a Potent Suppressor in Breast Carcinogenesis through Dampening L1CAM, a Driver for Tumor Progression

    Researchers reported that ZNF133, a zinc-finger protein, was negatively associated with poor survival and advanced pathological staging of breast carcinomas. Moreover, ZNF133 was a transcription repressor physically associated with the KAP1 complex.
    [Oncogene]

    Abstract

    Hyperglycemia and O-GlcNAc Transferase Activity Drive a Cancer Stem Cell Pathway in Triple-Negative Breast Cancer

    Investigators used chemical biology tools to track how a metabolite of glucose, GlcNAc, became linked to the transcriptional regulatory protein tet-methylcytosine dioxygenase 1 as an O-linked N-acetylglucosamine (O-GlcNAc) post-translational modification in three TNBC cell lines.
    [Cancer Cell International]

    Full Article

    Aberrant Expression of Bone Morphogenetic Proteins in the Disease Progression and Metastasis of Breast Cancer

    Expression of bone morphogenetic protein (BMP), BMP receptors, and antagonists in breast cancer were analyzed by using TCGA-BRCA and E-MTAB-6703 cohorts.
    [Frontiers In Oncology]

    Abstract

    Glucocorticoid Receptors Drive Breast Cancer Cell Migration and Metabolic Reprograming via PDK4

    To understand the mechanisms of p-Ser134-GR action in the presence of glucocorticoid receptor (GR) agonists, the authors examined glucocorticoid-driven transcriptomes in CRISPR knock-in models of TNBC cells expressing wild-type or phospho-mutant GR.
    [Endocrinology]

    Abstract

    Identification of Novel Interacts Partners of ADAR1 Enzyme Mediating the Oncogenic Process in Aggressive Breast Cancer

    Scientists showed that Adenosine Deaminase Acting on RNA 1 (ADAR1) was more abundantly expressed in infiltrating breast cancer (BC) tumors than in benign tumors. Further, ADAR1 protein expression was higher in aggressive BC cells.
    [Scientific Reports]

    Full Article

    Mir-183 Functions as an Oncogene via Decreasing PTEN in Breast Cancer Cells

    Researchers investigated the molecular mechanism of miR-183 in breast cancer. Phosphatase and tensin homolog (PTEN) was validated by dual luciferase assay as a target gene of miR-183. Through qRT-PCR analysis, miR-183 and PTEN mRNA levels in breast cancer cell lines were measured.
    [Scientific Reports]

    Full Article

    Oncogenic Role of an Uncharacterized Cold-Induced Zinc Finger Protein 726 in Breast Cancer

    Scientists investigated the putative role of zinc finger protein 726 (ZNF726) in breast cancer tumorigenic potency. Gene expression analysis using multifactorial cancer databases predicted overexpression of ZNF726 in various cancers, including breast cancer.
    [Journal of Cellular Biochemistry]

    Abstract
    Explore Antibodies for Epithelial Cell Markers
    REVIEWS

    The Role of Peptides in Reversing Chemoresistance of Breast Cancer: Current Facts and Future Prospects

    The authors describe the mechanism of different peptides in reversing breast cancer resistance, including promoting cancer cell apoptosis and non-apoptotic regulatory cell death of cancer cells.
    [Frontiers In Pharmacology]

    Full Article
    INDUSTRY AND POLICY NEWS

    First Arab Female Astronaut Reaches Space Station

    Rayyanah Barnawi is one of two Saudis on Axiom Space’s second private mission. During her scheduled 10 days in orbit on the International Space Station, the 34-year-old biomedical scientist plans to carry out stem cell and breast cancer research.
    [BBC]

    Press Release
    FEATURED EVENT

    Advanced Cell and Tissue Biomanufacturing

    June 25 – 30, 2023
    Newry, Maine, United States

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    JOB OPPORTUNITIES

    Postdoctoral Training Fellow – Cancer Stem Cell

    Institute of Cancer Research – London, England, United Kingdom

    Postdoctoral Researcher – Cell Stress Response

    University of Galway – Galway, Ireland

    Postdoctoral Researcher – Comparative Breast Cancer Program

    University of Pennsylvania – Philadelphia, Pennsylvania, United States

    Research Assistant – Lipidomic Dependencies of Cancer

    Harvard T.H. Chan School of Public Health – Boston, Massachusetts, United States

    Postdoctoral Fellow – Cancer Biology

    Wake Forest University – Winston Salem, North Carolina, United States

    > See All Jobs

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