Extracellular Matrix Cell News Volume 11.46 | Nov 26 2020

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    2020-11-26 | ECM 11.46


    Extracellular Matrix News by STEMCELL Technologies
    Vol. 11.46 – 26 November, 2020
    TOP STORY

    A Novel Negative Regulatory Mechanism of Smurf2 in BMP/Smad Signaling in Bone

    Smurf2 induced the ubiquitination of Smad1/5. Bone morphogenetic protein (BMP)/Smad signaling was enhanced in Smurf2−/− bone marrow stromal cells (BMSCs) stimulated with recombinant human BMP2, and the inhibition of BMP/Smad signaling suppressed osteogenic differentiation of these BMSCs.
    [Bone Research]

    Full Article

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    Bioinspired Functional Black Phosphorus Electrospun Fibers Achieving Recruitment and Biomineralization for Staged Bone Regeneration

    A bioinspired staged bone regeneration strategy which loads bone morphogenetic protein2 (BMP2)‐modified black phosphorus nanosheets to a polylactic acid electrospun fibrous scaffold, with a combination of recruiting osteoblast precursor cells and biomineralization properties for bone regeneration, was constructed successfully by micro‐sol electrospinning technique.
    [Small]

    Abstract

    3D Hydrogels Reveal Medulloblastoma Subgroup Differences and Identify Extracellular Matrix Subtypes that Predict Patient Outcome

    ECM subtypes, defined by relative levels of laminin and vitronectin expression in patient tissue microarrays and gene expression data sets, were able to identify novel high‐risk medulloblastoma patient subgroups and predict overall survival.
    [Journal of Pathology]

    Abstract

    Stroma Secreted IL6 Selects for “Stem-Like” Population and Alters Pancreatic Tumor Microenvironment by Reprogramming Metabolic Pathways

    Scientists showed that in pancreatic tumors, the developing stroma increased tumor initiation frequency in pancreatic cancer cells in vivo by enriching for CD133+ aggressive “stem-like” cells.
    [Cell Death & Disease]

    Full Article

    Legumain Is a Predictor of All-Cause Mortality and Potential Therapeutic Target in Acute Myocardial Infarction

    Investigators explored the predictive role of legumain—which showed the ability in ECM degradation—in an acute myocardial infarction patient cohort and investigated the underlying mechanisms.
    [Cell Death & Disease]

    Full Article

    In Vitro Modeling of Solid Tumor Interactions with Perfused Blood Vessels

    Researchers introduced a microfluidic model of the solid tumor-vascular interface composed of a human umbilical vein endothelial cell-lined, perfusable, bioengineered blood vessel and tumor spheroids embedded in an ECM.
    [Scientific Reports]

    Full Article

    Cardiovascular Tissue Regeneration System Based on Multiscale Scaffolds Comprising Double-Layered Hydrogels and Fibers

    The authors report a technique to reconstruct cardiovascular tissue using multiscale scaffolds incorporating polycaprolactone fibers with double-layered hydrogels comprising fibrin hydrogel surrounded by secondary alginate hydrogel.
    [Scientific Reports]

    Full Article

    microRNA-211-Mediated Targeting of the INHBA-TGF-β Axis Suppresses Prostate Tumor Formation and Growth

    Scientists indicated that upregulation of miR-211 has tumor-suppressive properties by inhibiting TGF-β pathway activation via inhibin-β A (INHBA) in prostate cancer stem cells.
    [Cancer Gene Therapy]

    Abstract

    Manipulating the Tumor Microenvironment in Tumor Organoids Induces Phenotypic Changes and Chemoresistance

    Investigators used a tumor organoid model, consisting of hepatic stellate cells embedded in Collagen-1 and colorectal cancer cell spheroids, to determine the relationship between ECM architecture, cancer cell malignancy, and chemoresistance.
    [iScience]

    AbstractGraphical Abstract

    Recombinant Collagen Polypeptide as a Versatile Bone Graft Biomaterial

    The authors report a biodegradable scaffold material composed of recombinant polypeptide based on the human type I collagen alpha 1 chain as a source of hydrogel-based graft materials.
    [Communications Materials]

    Full Article

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    REVIEWS

    Fibrosis: From Mechanisms to Medicines

    Scientists discuss the transformative experimental strategies that are being leveraged to dissect the key cellular and molecular mechanisms that regulate fibrosis, and the translational approaches that are enabling the emergence of precision medicine-based therapies for patients with fibrosis.
    [Nature]

    Abstract

    The Fibrotic and Immune Microenvironments as Targetable Drivers of Metastasis

    Cancer cells do not exist in isolation: rather, they exist within a complex microenvironment composed of stromal cells and ECM. Within this tumor microenvironment exists an interplay between the two main stromal cell subtypes, cancer-associated fibroblasts and immune cells, that are important in controlling metastasis.
    [British Journal of Cancer]

    Full Article

    Application of Inorganic Nanocomposite Hydrogels in Bone Tissue Engineering

    Recent developments in inorganic nanocomposite hydrogels for bone tissue engineering that are of vital importance but have not yet been comprehensively reviewed are summarized.
    [iScience]

    AbstractGraphical Abstract

    INDUSTRY AND POLICY NEWS

    Epic Sciences Enters into Exclusive Licensing Agreement and Collaboration with USC Michelson Center to Advance Next-Generation Liquid Biopsy Technology for Precision Oncology

    Epic Sciences, Inc. has entered into an exclusive license and collaboration agreement with Dr. Peter Kuhn and the USC Michelson Center for Convergent Bioscience. The collaboration will improve Epic’s platform and enable more precise characterization of rare circulating tumor cells and cells from the tumor microenvironment, which Epic is developing into liquid-biopsy diagnostics used for characterizing a patient’s cancer to guide treatment decisions.
    [Epic Sciences, Inc.]

    Press Release

    Aziyo Biologics Awarded Breakthrough Technology Contract with Premier Inc.

    Aziyo Biologics, Inc. has been awarded a group purchasing agreement with Premier Inc., for Premier’s Technology Breakthroughs Program. The new agreement allows Premier members to take advantage of special terms for Aziyo’s CanGaroo® Envelope – a 510(k) FDA-cleared and CE-Marked ECM envelope intended to securely hold a cardiac implantable electronic device or an implantable neurostimulator to create a stable environment when implanted in the body.
    [Aziyo Biologics, Inc.]

    Press Release

    Catamaran Bio Launches with $42 Million Financing to Develop Off the Shelf CAR-NK Cell Therapies to Treat Solid Tumors

    Catamaran Bio, Inc. has launched with $42 million in financing. Proceeds will be used to advance the company’s two lead chimeric antigen receptor (CAR)-NK cell therapy programs. In addition, funding will expand the company’s TAILWIND™ Platform, an integrated and proprietary suite of technologies for designing, genetically engineering, and manufacturing allogeneic CAR-NK cell therapies to neutralize the hostile tumor microenvironment.
    [Catamaran Bio, Inc.]

    Press Release

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    JOB OPPORTUNITIES

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    University of Illinois at Chicago College of Medicine – Chicago, Illinois, United States

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    St. Jude Children’s Research Hospital – Memphis, Tennessee, United States

    Research Technician – Spinal Cord Injury Research

    Edward Via College of Osteopathic Medicine – Blacksburg, Virginia, United States

    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

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