Immunology of Infectious Disease News Volume 10.33 | Aug 25 2022

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    2022-08-25 | IIDN 10.33


    Immunology of Infectious Disease News by STEMCELL Technologies
    Vol. 10.33 – 25 August, 2022
    TOP STORY

    Carbon Source Availability Drives Nutrient Utilization in CD8+ T Cells

    CD8+ T cells responding to Listeria infection preferentially consumed lactate over glucose as a TCA cycle substrate in vitro, with lactate enhancing T cell bioenergetic and biosynthetic capacity.
    [Cell Metabolism]

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    Learn how to stay motivated in research.
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    Intermediates in SARS-CoV-2 Spike–Mediated Cell Entry

    Investigators used an antiviral lipopeptide entry inhibitor to arrest S protein refolding and thereby capture intermediates as S proteins interacted with hACE2 and fusion-activating proteases on cell-derived target membranes.
    [Science Advances]

    Full Article

    The Neutralizing Breadth of Antibodies Targeting Diverse Conserved Epitopes between SARS-CoV and SARS-CoV-2

    Scientists successfully generated a panel of SARS-CoV-2/SARS-CoV cross-neutralizing antibodies by sequential immunization of the two pseudoviruses.
    [Proceedings of the National Academy of Sciences of the United States of America]

    Full Article

    A Key F27I Substitution within HCDR1 Facilitates the Rapid Maturation of P2C-1F11-Like Neutralizing Antibodies in a SARS-CoV-2-Infected Donor

    Researchers elucidated the developmental process and maturation pathway of P2C-1F11, providing some important information for the design of novel immunogens to elicit more potent neutralizing antibodies against SARS-CoV-2 infection.
    [Cell Reports]

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    The Spike of SARS-CoV-2 Promotes Metabolic Rewiring in Hepatocytes

    Investigators demonstrated that hepatocytes were susceptible to infection in different models: primary hepatocytes derived from humanized angiotensin-converting enzyme-2 mice and primary human hepatocytes.
    [Communications Biology]

    Full Article

    Antiviral Activity of Natural Phenolic Compounds in Complex at an Allosteric Site of SARS-CoV-2 Papain-Like Protease

    Scientists identified three phenolic compounds bound to SARS-CoV-2 papain-like protease, preventing essential molecular interactions to interferon-stimulated gene 15 by screening a natural compound library.
    [Communications Biology]

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    MARTX Toxin of Vibrio vulnificus Induces RBC Phosphatidylserine Exposure That Can Contribute to Thrombosis

    V. vulnificus infection at the sub-hemolytic level induced shape change of human red blood cells (RBCs) accompanied by phosphatidylserine exposure, and microvesicle generation, leading to the procoagulant activation of RBCs and ultimately, acquisition of prothrombotic activity.
    [Nature Communications]

    Full Article

    A Ribavirin-Induced ORF2 Single-Nucleotide Variant Produces Defective Hepatitis E Virus Particles with Immune Decoy Function

    Researchers analyzed the impact of eight patient-derived open reading frame 2 (ORF2) single-nucleotide variants, which occurred under Ribavirin treatment, on the replication cycle and pathogenesis of Hepatitis E virus.
    [Proceedings of the National Academy of Sciences of the United States of America]

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    Scaffolding Viral Protein NC Nucleates Phase Separation of the HIV-1 Biomolecular Condensate

    The authors discovered that intrinsically disordered HIV-1 core proteins condensed with the viral genomic RNA to assemble as biomolecular condensates attaining a geometry characteristic of viral reverse transcription complexes.
    [Cell Reports]

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    A PfSPZ Vaccine Immunization Regimen Equally Protective against Homologous and Heterologous Controlled Human Malaria Infection

    Scientists identified an immunization regimen that provided similar vaccine efficacy against controlled human malaria infection with homologous and heterologous Plasmodium falciparum (Pf) for at least nine weeks in malaria-naïve adults.
    [NPJ Vaccines]

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    REVIEWS

    New Insights on Circular RNAs and Their Potential Applications as Biomarkers, Therapeutic Agents, and Preventive Vaccines in Viral Infections: With a Glance at SARS-CoV-2

    Circular RNAs’ biogenesis, function, and their biomarker and therapeutic potential as well as their prospective application as a vaccine against viral infections such as COVID-19 are explained.
    [Molecular Therapy-Nucleic Acids]

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    INDUSTRY AND POLICY NEWS

    MediciNova Reaches Agreement to Participate in Grant-Funded Clinical Trial to Evaluate MN-166 (Ibudilast) for the Treatment of Long COVID

    MediciNova, Inc. announced that it plans to participate in RECLAIM (Recovering from COVID-19 Lingering Symptoms Adaptive Integrative Medicine Trial), a grant-funded, multi-center, randomized, clinical trial to evaluate MN-166 and other therapies for the treatment of Long COVID, the lingering symptoms of COVID-19.
    [MediciNova, Inc.]

    Press Release

    Baylor College of Medicine Recognizes Research Excellence with DeBakey Awards

    Each year, Baylor College of Medicine faculty are recognized for their outstanding published scientific contributions to clinical and basic science research over the past three years through the Michael E. DeBakey MD Award for Excellence in Research.
    [Baylor College of Medicine]

    Press Release
    FEATURED EVENT

    EHA-SWG Scientific Meeting on Integrated Cell Tracking in Oncohematology

    November 10 – November 12
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    JOB OPPORTUNITIES

    Postdoctoral Research Fellow – Immunotherapies against Cancer and Infectious Diseases

    University of Michigan – Ann Arbor, Michigan, United States

    Senior Investigator – Cancer Research

    NIH National Cancer Institute – Bethesda, Maryland, United States

    Research Project Coordinator – Biology

    Dalla Lana School of Public Health – Toronto, Ontario, Canada

    Postdoctoral Scholar – Host Microbial Interactions and Gastrointestinal COVID-19

    Washington University in St. Louis – St. Louis, Missouri, United States

    > See All Jobs

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