Immunology of Infectious Disease News Volume 11.24 | Jun 21 2023

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    2023-06-21 | IIDN 11.24


    Immunology of Infectious Disease News by STEMCELL Technologies
    Vol. 11.24 – 21 June, 2023
    TOP STORY

    Low Levels of Neutralizing Antibodies against XBB Omicron Subvariants after BA.5 Infection

    Scientists collected serum and nasal swab samples from 108 participants who had been infected during the BA.5 infection wave, and evaluated the neutralization against pseudoviruses.
    [Signal Transduction and Targeted Therapy]

    Full Article
    An overview of human NK cell receptors, activation, and biological function. Download your free wallchart now.
    PUBLICATIONSRanked by the impact factor of the journal

    Multivalent Bicyclic Peptides Are an Effective Antiviral Modality That Can Potently Inhibit SARS-CoV-2

    Investigators described a third antiviral modality that combined the drug-like advantages of antibody and small molecule therapeutics to inhibit SARS-CoV-2 infection.
    [Nature Communications]

    Full Article

    Effective Inhibition of HCoV-OC43 and SARS-CoV-2 by Phytochemicals In Vitro and In Vivo

    To address the need for reliable anti-coronavirus therapeutics, the authors screened 16 active phytochemicals selected from medicinal plants used in traditional applications for respiratory-related illnesses.
    [International Journal of Antimicrobial Agents]

    Full Article

    SARS-CoV-2 ORF3c Impairs Mitochondrial Respiratory Metabolism, Oxidative Stress, and Autophagic Flux

    Scientists showed that the ORF3c protein had a mitochondrial localization and altered mitochondrial metabolism, inducing a shift from glucose to fatty acids oxidation, and enhanced oxidative phosphorylation.
    [iScience]

    AbstractFull ArticleGraphical Abstract

    Recurrent Infection Transiently Expands Human Tissue T Cells While Maintaining Long-Term Homeostasis

    Researchers designed and implemented a stringent clinical surveillance protocol to longitudinally track both viral shedding and in situ tissue immune responses in a cohort of herpes simplex virus+ volunteers.
    [Journal of Experimental Medicine]

    Full Article
    Graphical
    Abstract

    A Plasmodium Membrane Receptor Platform Integrates Cues for Egress and Invasion in Blood Forms and Activation of Transmission Stages

    The authors showed that temperature-dependent epistatic interactions between phosphodiesterases counterbalance guanylyl cyclase α basal activity preventing gametocyte activation before mosquito blood feed.
    [Science Advances]

    Full ArticlePress Release

    Preventing Occludin Tight-Junction Disruption via Inhibition of MicroRNA-193b-5p Attenuates Viral Load and Influenza-Induced Lung Injury

    Investigators exposed how the influenza virus capitalized on host-derived interferon-induced, microRNA-193b-5p to target occludin and compromise antiviral defenses.
    [Molecular Therapy]

    AbstractFull ArticleGraphical Abstract

    Peptide MSI-1 Inhibited MCR-1 and Regulated Outer Membrane Vesicles to Combat Immune Evasion of Escherichia coli

    Scientists explored outer membrane vesicle (OMV) alterations of mobile colistin resistance 1 (MCR-1)-carrying bacteria in the presence and absence of sub-MIC MSI-1, and host immune activation during bacterial infection and OMV stimulation.
    [Microbial Biotechnology]

    Full Article

    Plasmodium falciparum Infection Reshapes the Human MicroRNA Profiles of Red Blood Cells and Their Extracellular Vesicles

    Researchers analyzed the miRNA profiles of non-infected human red blood cells (RBCs), ring-infected RBCs, and trophozoite-infected RBCs, as well as those of extracellular vesicles secreted from these cells.
    [iScience]

    AbstractFull ArticleGraphical Abstract

    Inhibitory Effect of β-Escin on Zika Virus Infection through the Interruption of Viral Binding, Replication, and Stability

    The authors investigated the antiviral efficacy of β-escin on Zika virus and dengue virus in vitro and then elucidated the underlying mechanism.
    [Scientific Reports]

    Full Article
    Request a copy of the COVID-19 wallchart.
    REVIEWS

    SARS-CoV-2 Neutralising Antibody Therapies: Recent Advances and Future Challenges

    Investigators amalgamate contemporary understanding concerning antibodies targeting various regions, including receptor-binding domain (RBD), non-RBD, host cell targets, and cross-neutralising antibodies.
    [Reviews In Medical Virology]

    Abstract

    Zika Virus: Critical Crosstalk between Pathogenesis, Cytopathic Effects, and Macroautophagy

    Scientists perform a narrative review of the molecular connection between macroautophagy and Zika virus infection while focusing on the roles of the structural and nonstructural proteins.
    [Journal Of Cellular Biochemistry]

    Abstract
    INDUSTRY AND POLICY NEWS

    Global ‘Pandemic Treaty’: Nations Wrestle with How to Fairly Share Virus Data

    Negotiators met to discuss the latest draft of a ‘pandemic treaty’ — an agreement among countries worldwide about how to best respond to the next massive outbreak.
    [Nature]

    Press Release

    Integral Molecular Awarded $1 Million by Commonwealth of Pennsylvania to Support Biotechnology Pandemic Research Center

    Integral Molecular announced that the Commonwealth of Pennsylvania has awarded the company $1M of funding through the Redevelopment Assistance Capital Program that will be used to support the further expansion of the company’s new headquarters and buildout of its Pandemic Research Center.
    [Integral Molecular, Inc.]

    Press Release
    FEATURED EVENT

    Long COVID and Post Acute Sequalae of SARS CoV 2 (PASC): Pathogenesis and Treatment

    August 28 – 30, 2023
    Santa Fe, New Mexico, United States

    > See All Events

    JOB OPPORTUNITIES

    Postdoctoral Associate – Tumor Virus and Innate Immunity

    University of Miami – Miami, Florida, United States

    Faculty Positions – Global Infectious Disease Research

    Case Western Reserve University – Cleveland, Ohio, United States

    Postdoctoral Fellow – Virology

    University of Pittsburgh – Pittsburgh, Pennsylvania, United States

    Postdoctoral Fellow – Bioinformatics

    University Hospital Ulm – Ulm, Germany

    Research Technician – Viral Tools

    Howard Hughes Medical Institute – Ashburn, Virginia, United States

    > See All Jobs

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