Extracellular Matrix News Volume 13.04 | Feb 3 2022

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    2022-02-03 | ECM 13.04


    Extracellular Matrix News by STEMCELL Technologies
    Vol. 13.04 – 3 February, 2022
    TOP STORY

    Lactic Acid Promotes PD-1 Expression in Regulatory T Cells in Highly Glycolytic Tumor Microenvironments

    Researchers proposed that lactic acid in the highly glycolytic tumor microenvironment (TME) was an active checkpoint for the function of regulatory T cells in the TME via upregulation of PD-1 expression.
    [Cancer Cell]

    AbstractGraphical Abstract

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

    Inflammatory Fibroblasts Mediate Resistance to Neoadjuvant Therapy in Rectal Cancer

    Investigators showed that, upon irradiation, interleukin-1α triggered oxidative DNA damage, thereby predisposing inflammatory cancer associated fibroblasts to p53-mediated therapy-induced senescence, which in turn resulted in chemoradiotherapy resistance and disease progression.
    [Cancer Cell]

    Full ArticleGraphical Abstract

    Heparanase Is Upregulated by HCV and Favors Its Replication

    The authors reported that HCV infection was favored by heparanase-1 (HPSE), and upregulated HPSE expression and secretion, which may have resulted in potentially pathogenic alterations of the ECM.
    [Journal of Hepatology]

    AbstractGraphical Abstract

    Tumor-Associated Neutrophils Secrete AGR2 to Promote Colorectal Cancer Metastasis via Its Receptor CD98hc–xCT

    Scientists investigated the cellular source for secreted anterior gradient-2 (AGR2) in the tumor microenvironment and underlying mechanisms mediating secreted AGR2’s effects.
    [Gut]

    Abstract

    Electro-Assembly of a Dynamically Adaptive Molten Fibril State for Collagen

    Researchers reported an electro-assembly pathway to create a dynamically adaptive intermediate molten fibril state for collagen.
    [Science Advances]

    Full Article

    Injectable Hydrogel Microspheres with Self-Renewable Hydration Layers Alleviate Osteoarthritis

    To endow hydrogel microspheres (HMs) with the ability to form self-renewable hydration layers and maintain cellular homeostasis, rapamycin-liposome–incorporating hyaluronic acid–based HMs were created using microfluidic technology and photopolymerization processes.
    [Science Advances]

    Full Article

    TNF Antagonist Sensitizes Synovial Fibroblasts to Ferroptotic Cell Death in Collagen-Induced Arthritis Mouse Models

    Scientists showed, using a collagen-induced arthritis mouse model, that imidazole ketone erastin, a ferroptosis inducer, decreased fibroblast numbers in the synovium.
    [Nature Communications]

    Full Article

    3D Bioprinting of Multifunctional Dynamic Nanocomposite Bioinks Incorporating Cu-Doped Mesoporous Bioactive Glass Nanoparticles for Bone Tissue Engineering

    Investigators developed a multifunctional nanocomposite bioink based on amine-functionalized copper (Cu)-doped mesoporous bioactive glass nanoparticles and a hydrogel formulation that improved shape fidelity, and structural stability for extrusion-based bioprinting.
    [Small]

    Abstract

    Gene Silencing by EZH2 Suppresses TGF-β Activity within the Decidua to Avert Pregnancy-Adverse Wound Healing at the Maternal-Fetal Interface

    The authors found that pregnancies in mice with EZH2-deficient decidual stromal cells frequently failed by mid-gestation, with the decidua showing gene expression profiles associated with transforming growth factor β (TGF-β)-driven fibroblast activation and fibrogenic ECM remodeling.
    [Cell Reports]

    Full ArticleGraphical Abstract

    Immunomodulatory Matrix-Bound Nanovesicles Mitigate Acute and Chronic Pristane-Induced Rheumatoid Arthritis

    Isolated matrix-bound nanovesicles (MBV) were delivered via intravenous or peri-articular injection to rats with pristane-induced arthritis. The results of MBV administration were compared to intraperitoneal administration of methotrexate, the clinical standard of care.
    [NPJ Regenerative Medicine]

    Full Article

    Differential Impact of Membrane-Bound and Soluble Forms of the Prognostic Marker Syndecan-1 on the Invasiveness, Migration, Apoptosis, and Proliferation of Cervical Cancer Cells

    Researchers analyzed the clinical impact of Sdc-1 expression by analysis of public gene expression datasets and studied the effect of overexpression of Sdc-1 and its membrane-bound and soluble forms on the malignant properties of the human cervical carcinoma cell line HeLa through functional analysis.
    [Frontiers in Oncology]

    Full Article

    Matrix Metalloproteinases (MMP) 3 and 9 as Biomarkers of Severity in COVID-19 Patients

    Investigators studied serum MMP3 and MMP9 as potential biomarkers of COVID-19 severity, in 108 hospitalized patients with different World Health Organization severity stage and in 48 controls.
    [Scientific Reports]

    Full Article

    A Computational Modeling of Invadopodia Protrusion into an Extracellular Matrix Fiber Network

    Scientists presented a computational framework for the characterization of invadopodia protrusions which allowed two way interactions between intracellular branched actin network and ECM fibers network.
    [Scientific Reports]

    Full Article

    Guide to everything you need to know about cell separation.
    REVIEWS

    Remodeling of the Tumor Microenvironment by the Kallikrein-Related Peptidases

    The authors present an overview of the complex biology of the kallikrein-related peptidase family and its context-dependent nature in cancer and discuss the different therapeutic strategies available to potentially target these proteases.
    [Nature Reviews Cancer]

    Abstract

    Proteomic Profile of Extracellular Matrix from Native and Decellularized Chorionic Canine Placenta

    Investigators studied the proteome profiled of canine native and decellularized placenta to characterize the proteome related to maintenance of a microenvironment and structure suitable for tissue engineering applications.
    [Journal of Proteomics]

    AbstractGraphical Abstract

    INDUSTRY AND POLICY NEWS

    Akeso’s Ligufalimab And Ivonescimab Obtained Approval To Initiate A Phase II Trial

    Akeso, Inc. announced that Ligufalimab and Ivonescimab have obtained approval to initiate a Phase II clinical trial with chemotherapy as first-line therapy for unresectable locally advanced or metastatic triple-negative breast cancer.
    [Akeso, Inc. (PR Newswire, Inc.)]

    Press Release

    FEATURED EVENT

    Next Generation Kinase Inhibitor Summit

    29 – 31 March, 2022
    Boston, Massachusetts, United States

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    JOB OPPORTUNITIES

    Postdoctoral Position – Genome Integrity Mechanisms

    Severo Ochoa Centre for Molecular Biology – Madrid, Spain

    PhD Scholarship – Tissue Engineering & Scaffold Design

    Nanyang Technological University – Singapore, Singapore

    Postdoctoral Researcher – Cell Death Research & Therapy

    Flanders Institute for Biotechnology – Leuven, Belgium

    Postdoctoral Fellow – Regenerative Medicine

    National University of Ireland Galway – Galway, Ireland

    Postdoctoral Fellowships – Extracellular Vesicles, Microglia and Alzheimer’s Disease

    Mayo Clinic Florida Campus – Jacksonville, Florida, United States

    > See All Jobs

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