Extracellular Matrix Cell News Volume 11.40 | Oct 15 2020

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    2020-10-15 | ECM 11.40


    Extracellular Matrix News by STEMCELL Technologies
    Vol. 11.40 – 15 October, 2020
    TOP STORY

    The
    Hepatic Microenvironment Uniquely Protects Leukemia Cells through Induction of Growth and Survival Pathways Mediated by LIPG

    Scientists demonstrated a unique role for liver in modulating the pathogenesis of leukemic disease and suggest that the hepatic microenvironment may protect leukemia cells from chemotherapeutic challenge.
    [Cancer Discovery]

    AbstractFull Article


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    PUBLICATIONSRanked by the impact factor of the journal

    ERBB2 Drives YAP Activation and EMT-Like Processes during Cardiac Regeneration

    Overexpression of activated ERBB2 in cardiomyocytes presented an epithelial-mesenchymal transition-like regenerative response manifested by cytoskeletal remodeling, junction dissolution, migration and ECM turnover.
    [Nature Cell Biology]

    Abstract

    AP-1
    and TGFß Cooperativity Drives Non-Canonical Hedgehog Signaling in Resistant Basal Cell Carcinoma

    Investigators used single cell RNA-sequencing of patient tumors to identify three prognostic surface markers (LYPD3, TACSTD2, and LY6D) which correlated with nuclear myocardin-related transcription factor (nMRTF) and resistance to SMO inhibitors. The nMRTF cell state resembled transit-amplifying cells of the hair follicle matrix, with AP-1 and TGFß cooperativity driving nMRTF activation.
    [Nature Communications]

    Full Article

    Chemotaxis‐Driven
    2D Nanosheet for Directional Drug Delivery toward the Tumor Microenvironment

    A 2D nanosheet‐based catalytic nanomotor with chemotaxis behavior was developed for enhanced drug delivery toward the tumor microenvironment. The nanomotors were constructed via a facile one‐pot method and exhibited ultrathin monolayer nanosheet morphology.
    [Small]

    Abstract

    The
    Amino-Terminal Oligomerization Domain of Angiopoietin-2 Affects Vascular Remodeling, Mammary Gland Tumor Growth, and Lung Metastasis in Mice

    Scientists used a knock-in mouse line, a genetic model for breast cancer and metastasis, a syngeneic melanoma lung colonization model, and orthotopic injection of E0771 breast cancer cells to show that alternative forms increased the diversity of Angiopoietin-2 function.
    [Cancer Research]

    Abstract

    Megalencephalic
    Leukoencephalopathy with Subcortical Cysts 1 (MLC1) Promotes Glioblastoma Cell Invasion in the Brain Microenvironment

    The authors showed that Mlc1 was expressed in human stem-like glioblastoma (GBM) cells and was linked to the development of primary and recurrent GBM.
    [Oncogene]

    Abstract

    Stroma-Derived
    ANGPTL2 Establishes an Anti-Tumor Microenvironment during Intestinal Tumorigenesis

    Angiopoietin-like protein 2 (ANGPTL2) secreted from intestinal subepithelial myofibroblasts drove generation of Ly6Chigh immunostimulatory macrophages via NF-κB signaling to promote CD4+ Th1 cell responses that established an anti-tumor microenvironment during injury-induced intestinal tumorigenesis.
    [Oncogene]

    Abstract

    The
    Synovium Attenuates Cartilage Degeneration in Knee Osteoarthritis through Activation of the Smad2/3-Runx1 Cascade and Subsequent Upregulation of Chondrogenesis-Related miRNAs

    The authors revealed that TGFβ1 could significantly upregulate miR-455 and miR-210 expression in synoviocytes. The upregulated miRNAs could be secreted into the extracellular environment and prevent cartilage degeneration.
    [Molecular Therapy-Nucleic Acids]

    Full ArticleGraphical Abstract

    β-Catenin Activates TGF-β-Induced Epithelial–Mesenchymal Transition in Adenomyosis

    Researchers found a strong positive correlation between β-catenin and TGF-β2 proteins in women with adenomyosis. Treatment with pirfenidone, a TGF-β inhibitor, increased E-cadherin expression and reduced cell invasiveness in Ishikawa cells with nuclear β-catenin.
    [Experimental and Molecular Medicine]

    Full Article

    In Situ-Forming
    Collagen Hydrogel Crosslinked via Multi-Functional Peg as a Matrix Therapy for Corneal Defects

    The authors report on the development of an in situ-forming hydrogel of collagen type I crosslinked via multi-functional polyethylene glycol (PEG)-N-hydroxysuccinimide and characterize its biophysical properties and regenerative capacity both in vitro and in vivo.
    [Scientific Reports]

    Full Article

    A
    Novel RGB-Trichrome Staining Method for Routine Histological Analysis of Musculoskeletal Tissues

    Staining of different types of cartilage results in differential matrix staining, thus showing the sensitivity of this staining method to relatively small differences in ECM composition. An extreme example of this sensitivity was provided by the staining of chondrosarcomas that resulted in a wide spectrum of shades of colors in the tumoral intercellular matrix, reflecting the heterogeneity of tumor ECM composition.
    [Scientific Reports]

    Full Article

    Engineered Cardiac Tissues: A Novel In Vitro
    Model to Investigate the Pathophysiology of Mouse Diabetic Cardiomyopathy

    Researchers developed a murine-based engineered cardiac tissues model to investigate cardiac injury produced by advanced glycation end-products (AGEs). One finding was that AGEs treatment significantly increased the markers of fibrosis (TGF-β, α-SMA, Ctgf, Collagen I-α1, Collagen III-α1, and Fn1) and hypertrophy.
    [Acta Pharmacologica Sinica]

    Abstract


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    REVIEWS

    Concepts of Extracellular Matrix Remodeling in Tumour Progression and Metastasis

    The authors focus on how tumor and tumor-associated stromal cells deposit, biochemically and biophysically modify, and degrade tumor-associated ECM.
    [Nature Communications]

    Full Article

    INDUSTRY AND POLICY NEWS

    Phenomic AI Launches with $6 Million Financing and an AI/ML Platform for Targeting the Tumor Stroma

    Phenomic AI announced the official launch of the company with US$6 million seed financing. The proceeds of the financing will support preclinical studies for two validated cancer drug targets in the tumor stroma, discovered with the company’s platform as well as discover and advance additional drug targets into the company’s pipeline.
    [Phenomic AI (Businesswire, Inc.)]

    Press Release

    Noxxon
    Announces Successful Completion of Patient Recruitment for Second Dose Cohort In Phase I/II Brain Cancer Study of NOX-A12 Plus Radiotherapy

    NOXXON Pharma N.V. announced that all three patients of the second dose cohort have been enrolled into the brain cancer clinical trial testing CXCL12 inhibitor, NOX-A12, and have already received the planned initial treatment. The Phase I/II clinical study investigates three dose regimens of NOX-A12 (200, 400 and 600 mg/week), each combined with external beam radiotherapy in newly diagnosed brain cancer patients.
    [Noxxon Pharma N.V.]

    Press Release

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    November 25 – November 27
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    JOB OPPORTUNITIES

    Postdoctoral Fellow – Cancer Immunology and Immunotherapy

    H. Lee Moffitt Cancer Center & Research Institute – Tampa, Florida, United States

    Postdoctoral Positions – Translational Oncology

    Medical University of Vienna – Vienna, Austria

    Principal
    Research Fellow – Lung Cancer Microenvironment

    The Francis Crick Institute – London, England, United Kingdom

    Postdoctoral Research Fellow – Cancer Biology

    Moores Cancer Center, UC San Diego – La Jolla, California, United States

    Postdoctoral
    Fellow – Cancer Immunology

    Dana-Farber Cancer Institute – Boston, Massachusetts, United States

    > See All Jobs

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