Mammary Cell News Volume 15.21 | June 01 2023

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    2023-06-01 | MCN 15.21


    Mammary Cell News by STEMCELL Technologies
    Vol. 15.21 – 1 June, 2023
    TOP STORY

    Ferroptosis Surveillance Independent of GPX4 and Differentially Regulated by Sex Hormones

    Through a whole-genome CRISPR activation screen, followed by mechanistic investigation, researchers identified phospholipid-modifying enzymes MBOAT1 and MBOAT2 as ferroptosis suppressors.
    [Cell]

    AbstractGraphical Abstract
    Free E-Book: Genome Editing Applications for Disease Modeling and Cell Therapy.
    PUBLICATIONSRanked by the impact factor of the journal

    ALDH1L2 Regulation of Formate, Formyl-Methionine, and ROS Controls Cancer Cell Migration and Metastasis

    Using breast cancer cell lines, scientists showed that reduction of aldehyde dehydrogenase 1 family member 2 (ALDH1L2) expression increased ROS levels and the production of both formate and formyl-methionine.
    [Cell Reports]

    Full ArticleGraphical Abstract

    Resistance to Mesenchymal Reprogramming Sustains Clonal Propagation in Metastatic Breast Cancer

    The authors isolated epithelial and mesenchymal populations from human breast cancer metastatic biopsies and assessed their functional potential in vivo. Progressively decreasing epithelial cell adhesion molecule levels correlated with declining disease propagation.
    [Cell Reports]

    Full ArticleGraphical Abstract

    CDK4/6 Inhibitors and the pRB-E2F1 Axis Suppress PVR and PD-L1 Expression in Triple-Negative Breast Cancer

    Investigators showed that RB-loss and high E2F1/E2F2 signatures correlated with expression of poliovirus receptor (PVR), CD274 and other immune-checkpoint modulators and that pRB repressed whereas RB depletion and E2F1 induced PVR and CD274 in TNBC cells.
    [Oncogenesis]

    Full Article

    Targeting Long Non-Coding RNA MALAT1 Reverses Cancerous Phenotypes of Breast Cancer Cells through microRNA-561-3p/TOP2A Axis

    Researchers determined the correlation between miR-561-3p and metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) and their roles in breast cancer progression.
    [Scientific Reports]

    Full Article

    Overexpression of Cannabinoid Receptor 2 Is Associated with Human Breast Cancer Proliferation, Apoptosis, Chemosensitivity, and Prognosis via the PI3K/Akt/mTOR Signaling Pathway

    The authors examined the expression and prognostic significance of cannabinoid receptor 2 in breast cancer tissues by qPCR, second-generation sequencing, western blot, and immunohistochemistry.
    [Cancer Medicine]

    Full Article

    Downregulation of the Long Noncoding RNA DSCR9 (Down Syndrome Critical Region 9) Delays Breast Cancer Progression by Modulating microRNA-504-5p-Dependent G Protein-Coupled Receptor 65

    Investigators focused on the regulatory function of the lncRNA DSCR9 in breast cancer stem cells (BCSCs). Through bioinformatics analysis, DSCR9, microRNA-504-5p, and G protein-coupled receptor 65 were identified as targets implicated in breast cancer development.
    [Human Cell]

    Abstract

    Potential Anticancer Properties of Calotropis procera: An Investigation on Breast and Colon Cancer Cells

    The antiproliferative effects of Calotropis procera were investigated on two cancer cell lines: human colon, HCT-116, and breast, MCF-7, cancer. The effectiveness of the plant extract on the cytotoxicity, apoptosis, cell cycle progression, and protein expression profiles of HCT-116 and MCF-7 cells was analyzed.
    [Heliyon]

    Full Article

    Antioxidant Capacity and Cytotoxic Effect of an Optimized Extract of Isabella Grape (Vitis labrusca) on Breast Cancer Cells

    In order to better understand the phenolic compounds found in Isabella grapes and the biological effect they induce on breast cancer cells, an ultrasound-assisted extraction was carried out.
    [Heliyon]

    Full Article

    Potential Activity of Adiponectin-Expressing Regulatory T Cells Against Triple-Negative Breast Cancer Cells through the Cell-in-Cell Phenomenon

    CD4- and CD25-positive cells were sorted from cultured T lymphocytes of a previously characterized experimental thymic tumor model composed of thymic nurse cells and abundant lymphoid stroma.
    [Thoracic Cancer]

    Full Article

    Isolation and Purifications of an Ambuic Acid Derivative Compound from Marine Algal Endophytic Fungi Talaromyces flavus That Induces Apoptosis in MDA-MB-231 Cancer Cells

    An ambuic acid derivative anticancer compound was isolated from Talaromyces flavus, and its cytotoxicity and apoptosis induction potential were analyzed.
    [Chemical Biology & Drug Design]

    Abstract
    Stay up-to-date with the latest stem cell research by listening to the Stem Cell Podcast!
    REVIEWS

    Molecular Pathways and Therapeutic Targets Linked to Triple-Negative Breast Cancer (TNBC)

    Scientists summarize the vital druggable targets, therapeutic approaches, and strategies associated with TNBC.
    [Molecular and Cellular Biochemistry]

    AbstractGraphical Abstract

    Breast Tumor-Targeted Drug Delivery via Polymer Nanocarriers: Endogenous and Exogenous Strategies

    The authors elucidate the mechanism of current targeting strategies and the engineering methods to construct nanocarrier targeting systems or to improve their targeting efficiency.
    [Journal of Applied Polymer Science]

    Full Article
    INDUSTRY AND POLICY NEWS

    Researcher Receives National Award for Cancer Care Innovation

    A post-doctoral researcher at Queen’s University Cancer Research Institute has been recognized nationally for her groundbreaking work to monitor breast cancer using a simple, routine blood test.
    [Queen’s University]

    Press Release

    RPI and Albany Medical College Researchers Awarded $3.3 Million To Improve Breast Cancer Treatment Using Artificial Intelligence

    Researchers from Rensselaer Polytechnic Institute (RPI) and Albany Medical College were awarded a $3.3 million grant over five years by the National Cancer Institute to use artificial intelligence to improve targeted drug therapy in HER2-positive breast cancer treatment.
    [Albany Medical College]

    Press Release
    FEATURED EVENT

    Mentoring the Next Generation of Cancer Immunologists

    June 26 – 29, 2023
    Boston, Massachusetts, United States

    > See All Events

    JOB OPPORTUNITIES

    Research Associate – Breast Cancer

    Imperial College London – London, England, United Kingdom

    Postdoctoral Fellow – Immuno-Oncology Research

    Salk Institute – La Jolla, California, United States

    Postdoctoral Researcher – Cell Stress Response

    University of Galway – Galway, Ireland

    Postdoctoral Training Fellow – Cancer Stem Cell

    Institute of Cancer Research – London, England, United Kingdom

    Postdoctoral Researcher – Comparative Breast Cancer Program

    University of Pennsylvania – Philadelphia, Pennsylvania, United States

    > See All Jobs

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