Endothelial Cell News Volume 7.09 | Mar 21 2022

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    2022-03-21 | ENDOCN 7.09


    Endothelial Cell News by STEMCELL Technologies
    Vol. 7.09 – 21 March, 2022
    TOP STORY

    A Polyphenol-Network-Mediated Coating Modulates Inflammation and Vascular Healing on Vascular Stents

    Scientists fabricated a micro- to nanoscale network assembly consisting of copper ion and epigallocatechin gallate via π–π interactions, metal coordination, and oxidative polymerization.
    [ACS Nano]

    AbstractGraphical Abstract
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    PUBLICATIONSRanked by the impact factor of the journal

    A Microphysiological Model of Human Trophoblast Invasion during Implantation

    Researchers developed an implantation-on-a-chip that was capable of reconstructing the 3D structural organization of the maternal-fetal interface to model the invasion of specialized fetal extravillous trophoblasts into the maternal uterus.
    [Nature Communications]

    Full Article

    Endothelial Pannexin-1 Channels Modulate Macrophage and Smooth Muscle Cell Activation in Abdominal Aortic Aneurysm Formation

    Pannexin-1 on endothelial cells acted as a conduit for ATP release that stimulated macrophage activation via P2X7 receptors and mitochondrial DNA release to increase IL-1β and HMGB1 secretion.
    [Nature Communications]

    Full Article

    Extracellular Vesicles Enriched with an Endothelial Cell Pro-Survival microRNA Impacts Skin Tissue Regeneration

    Using a streptozotocin-induced diabetic wound healing mouse model, investigators showed that, compared with miR-scrambled-modulated small extracellular vesicles (sEVs), topical administration of miR-425-5p-modulated sEVs significantly enhanced wound healing.
    [Molecular Therapy-Nucleic Acids]

    AbstractFull ArticleGraphical Abstract

    H2O2-Responsive VEGF/NGF Gene Co-Delivery Nano-System Achieves Stable Vascularization in Ischemic Hindlimbs

    VEGF/nerve growth factor (NGF)-nanoparticles promoted VEGF and NGF co-expression simultaneously, eliminated excessive H2O2, strengthened reactions between SH-SY5Ys and HUVECs, and finally enhanced migration, tube formation, proliferation and H2O2 damage resistance of HUVECs.
    [Journal of Nanobiotechnology]

    Full ArticleGraphical Abstract

    Tumor Endothelial Cell-Induced CD8+ T Cell Exhaustion via GPNMB in Hepatocellular Carcinoma

    Scientists investigated how tumor endothelial cells influenced tumor growth and immune responses of hepatocellular carcinoma focusing on CD8+ T cell infiltration and exhaustion.
    [Cancer Science]

    Abstract

    Characterization of PDGF-BB:PDGFRβ Signaling Pathways in Human Brain Pericytes: Evidence of Disruption in Alzheimer’s Disease

    The authors tested the effects of platelet-derived growth factor-BB (PDGF-BB) on primary human brain pericytes in vitro to define pathways related to blood-brain barrier function.
    [Communications Biology]

    Full Article

    Robo4 Is Constitutively Shed by ADAMs from Endothelial Cells and the Shed Robo4 Functions to Inhibit Slit3-Induced Angiogenesis

    Researchers reported that soluble Robo4 was the product of constitutive ectodomain shedding of endothelial cell surface Robo4 by disintegrin metalloproteinases ADAM10 and ADAM17 and acted to inhibit angiogenic Slit3 signaling.
    [Scientific Reports]

    Full Article

    Blood-Brain Barrier and Gut Barrier Dysfunction in Chronic Kidney Disease with a Focus on Circulating Biomarkers and Tight Junction Proteins

    Investigators examined blood–brain barrier disruption, by assessing brain-derived neurotropic factor, neuron-specific enolase levels, and gut-blood barrier disruption by trimethylamine N-oxide in chronic kidney disease patients.
    [Scientific Reports]

    Full Article

    Morphine-Induced Modulation of Nrf2-Antioxidant Response Element Signaling Pathway in Primary Human Brain Microvascular Endothelial Cells

    Scientists evaluated the impact of morphine exposure at three different concentrations for 24 hours and 48 hours on primary human brain microvascular endothelial cells.
    [Scientific Reports]

    Full Article

    Single-Cell Transcriptomics Reveals Cell-Type-Specific Diversification in Human Heart Failure

    The authors identified cell-specific transcriptional signatures associated with age and heart failure and reveal the emergence of disease-associated cell states. Cardiomyocytes converged toward common disease-associated cell states, whereas fibroblasts and myeloid cells underwent dramatic diversification.
    [Nature Cardiovascular Research]

    Full Article
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    REVIEWS

    Immunomodulation by Endothelial Cells — Partnering Up with the Immune System?

    Scientists discuss emerging evidence suggesting a tissue-specific and vessel type-specific immunomodulatory role for distinct subtypes of endothelial cells, collectively referred to as ‘immunomodulatory endothelial cells’.
    [Nature Reviews Immunology]

    Full Article

    Versatile Subtypes of Pericytes and Their Roles in Spinal Cord Injury Repair, Bone Development and Repair

    The authors discuss the biology and roles of pericytes, their markers for identification, and cell differentiation capacity with a focus on the potential application in the treatment of spinal cord injury and bone diseases in orthopedics.
    [Bone Research]

    Full Article
    INDUSTRY AND POLICY NEWS

    Apellis Announces Pegcetacoplan Showed Continuous and Clinically Meaningful Effects at Month 18 in Phase III DERBY and OAKS Studies for Geographic Atrophy (GA)

    Apellis Pharmaceuticals, Inc. announced longer-term data from the Phase III DERBY and OAKS studies, which showed that intravitreal pegcetacoplan continued to reduce GA lesion growth and demonstrated a favorable safety profile at month 18 for the treatment of GA secondary to age-related macular degeneration.
    [Apellis Pharmaceuticals, Inc.]

    Press Release

    Ocuphire Completes Enrollment of Over 100 Subjects in 24-Week ZETA-1 Phase IIb Trial of Oral APX3330 for the Treatment of Diabetic Retinopathy

    Ocuphire Pharma, Inc. announced that it has completed enrollment of 103 diabetic patients with moderately severe-to-severe non-proliferative diabetic retinopathy or mild proliferative diabetic retinopathy in ZETA-1, a Phase IIb trial evaluating the efficacy and safety of APX3330 for the treatment of diabetic retinopathy.
    [Ocuphire Pharma, Inc.]

    Press Release
    FEATURED EVENT

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    May 5 – 8, 2022
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    JOB OPPORTUNITIES

    Postdoctoral Position – Vascular Biology

    Thorax Institute – Nantes, France

    Flow Cytometry Assistant or Specialist – Flow Cytometry

    Babraham Institute – Cambridgeshire, England, United Kingdom

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    Johns Hopkins School of Medicine – Saint Petersburg, Florida, United States

    Postdoctoral Position – Cardiovascular Physiology

    The University of Tennessee Health Science Center – Memphis, Tennessee, United States

    Postdoctoral Scientist – Tissue Engineering and Stem Cell Biology

    Yale University – New Haven, Connecticut, United States

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