Immunology of Infectious Disease News Volume 9.10 | Mar 17 2021

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    IIDN 9.10 | Mar 17 2021


    Immunology of Infectious Disease News by STEMCELL Technologies
    Vol. 9.10 – 17 March, 2021
    TOP STORY

    Efficacy of the ChAdOx1 nCoV-19 Covid-19 Vaccine against the B.1.351 Variant

    Researchers report findings from a multicenter Phase Ib–II trial in South Africa evaluating the safety, immunogenicity, and efficacy of the ChAdOx1 nCoV-19 vaccine in preventing symptomatic Covid-19.
    [New England Journal of Medicine]

    Full Article

    Explore scientific resources for your immunology research at the STEMCELL Technologies immunology learning center
    PUBLICATIONSRanked by the impact factor of the journal

    Neutralizing and Protective Human Monoclonal Antibodies Recognizing the N-Terminal Domain of the SARS-CoV-2 Spike Protein

    Investigators describe a panel of human monoclonal antibodies binding to diverse epitopes on the N-terminal domain of S protein from SARS-CoV-2 convalescent donors and found a minority of these possessed neutralizing activity.
    [Cell]

    AbstractFull Article

    Multiple SARS-CoV-2 Variants Escape Neutralization by Vaccine-Induced Humoral Immunity

    Scientists evaluated the neutralization potency of 99 individuals that received one or two doses of either BNT162b2 or mRNA-1273 vaccines against pseudoviruses representing ten globally circulating strains of SARS-CoV-2.
    [Cell]

    AbstractFull Article

    Discovery and Functional Interrogation of SARS-CoV-2 RNA-Host Protein Interactions

    Researchers identified 309 host proteins that bound the SARS-CoV-2 RNA during active infection.
    [Cell]

    Abstract

    Longitudinal Profiling of Respiratory and Systemic Immune Responses Reveals Myeloid Cell-Driven Lung Inflammation in Severe COVID-19

    In COVID-19 airways, T cells exhibited activated, tissue-resident, and protective profiles; higher T cell frequencies correlated with survival and younger age.
    [Immunity]

    AbstractFull Article

    T Cell and Antibody Kinetics Delineate SARS-CoV-2 Peptides Mediating Long-Term Immune Responses in COVID-19 Convalescent Individuals

    Researchers investigated SARS-CoV-2 antibody and T cell responses in matched samples of COVID-19 convalescent individuals up to six months post-infection.
    [Science Translational Medicine]

    Full Article

    ISG15-Dependent Activation of the Sensor MDA5 Is Antagonized by the SARS-CoV-2 Papain-Like Protease to Evade Host Innate Immunity

    The authors report that ISG15 conjugation was essential for antiviral IFN responses mediated by the viral RNA sensor MDA5.
    [Nature Microbiology]

    Full Article

    Antiviral Drug Screen Identifies DNA-Damage Response Inhibitor as Potent Blocker of SARS-CoV-2 Replication

    Scientists developed a medium-throughput drug screening system and identified a small molecule library of 34 of 430 protein kinase inhibitors that were capable of inhibiting SARS-CoV-2 cytopathic effect in human epithelial cells.
    [Cell Reports]

    AbstractGraphical Abstract

    Cross-Linking Peptide and Repurposed Drugs Inhibit Both Entry Pathways of SARS-CoV-2

    Investigators identified a dual-functional cross-linking peptide 8P9R which could inhibit the two entry pathways of SARS-CoV-2 in cells.
    [Nature Communications]

    Full Article

    Identification of Bacteria-Derived HLA-Bound Peptides in Melanoma

    Researchers used 16S rRNA gene sequencing and HLA peptidomics to identify a peptide repertoire derived from intracellular bacteria that was presented on HLA-I and HLA-II molecules in melanoma tumors.
    [Nature]

    Abstract

    In Situ Structure and Organization of the Influenza C Virus Surface Glycoprotein

    Scientists applied electron cryotomography and subtomogram averaging to describe the structural basis for hexagonal lattice formation by haemagglutinin-esterase-fusion on the viral surface.
    [Nature Communications]

    Full Article

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    REVIEWS

    Developing Therapeutic Approaches for Twenty-First-Century Emerging Infectious Viral Diseases

    The twenty-first century has already recorded more than ten major epidemic or pandemic virus emergence events. Rather than only focusing on known risks, dedicated efforts must be made toward pre-emptive research focused on outbreak-prone virus families, ultimately offering a strategy to shorten the gap between outbreak and response.
    [Nature Medicine]

    Full Article

    Interferons: Tug of War Between Bacteria and Their Host

    Scientists discuss the current understanding of the bacterial effectors that manipulate the different stages of the host IFN response: IFN induction, downstream signaling pathways, and target ISGs.
    [Frontiers in Cellular and Infection Microbiology]

    Full Article

    INDUSTRY AND POLICY NEWS

    Moderna Announces First Participants Dosed in Phase II/III Study of COVID-19 Vaccine Candidate in Pediatric Population

    Moderna Inc. announced that the first participants have been dosed in the Phase II/III study, called the KidCOVE study, of mRNA-1273, the Company’s vaccine candidate against COVID-19, in children ages six months to less than 12 years.
    [Moderna Inc. (BusinessWire, Inc)]

    Press Release

    FEATURED EVENT

    10th International Meeting of the Stem Cell Network

    March 29 – 30, 2021
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    JOB OPPORTUNITIES

    Assistant Professor – Infectious Diseases

    University of California Merced – Merced, California, United States

    Full Professor – Translational Infectiology and Vaccine Development

    Uni Tübingen- Tübingen, Germany

    Research Associate – COVID-19 Registry

    The University of British Columbia- Vancouver, British Columbia, Canada

    Postdoctoral Fellow – Human COVID Immunology

    Oklahoma Medical Research Foundation – Oklahoma City, Oklahoma, United States

    Postdoctoral Researcher – 3D In Vitro Systems for Respiratory Bacterial Infections

    NCCR AntiResist – Basel, Switzerland

    > See All Jobs

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