Immunology of Infectious Disease News Volume 11.34 | Aug 30 2023

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    2023-08-30 | IIDN 11.34


    Immunology of Infectious Disease News by STEMCELL Technologies
    Vol. 11.34 – 30 August, 2023
    TOP STORY

    Comparison of Bivalent and Monovalent SARS-CoV-2 Variant Vaccines: The Phase II Randomized Open-Label COVAIL Trial

    In a phase II, open-label, randomized clinical trial with sequentially enrolled stages, researchers assessed the safety and immunogenicity of a second boost with monovalent or bivalent variant vaccines from mRNA and protein-based platforms targeting wild-type, Beta, Delta, and Omicron BA.1 spike antigens.
    [Nature Medicine]

    Full Article
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    Spatial Transcriptome Atlas Reveals Pulmonary Microstructure-Specific COVID-19 Gene Signatures in Cynomolgus Macaques

    Investigators utilized a spatial transcriptome atlas to identify pulmonary microstructure-specific COVID-19 gene signatures during the acute phase of lung infection in cynomolgus macaques.
    [Communications Biology]

    Full Article

    Structural Basis of HIV-1 Vif-Mediated E3 Ligase Targeting of Host APOBEC3H

    Investigators presented the cryo-EM structures of HIV-1 viral infectivity factor (Vif) in complex with human A3H, CBF-β, and components of cullin-5 (CUL5) ubiquitin ligase. Vif nucleated the entire complex by directly binding four human proteins, A3H, CBF-β, CUL5, and ELOC.
    [Nature Communications]

    Full Article

    Trained Immunity of Alveolar Macrophages Enhances Injury Resolution via KLF4-MERTK-Mediated Efferocytosis

    Researchers studied lung-resident alveolar macrophages (AMs) prechallenged with either the bacterial endotoxin or with Pseudomonas aeruginosa and observed that these trained AMs showed greater resilience to pathogen-induced cell death.
    [Journal Of Experimental Medicine]

    Full Article
    Graphical Abstract

    Pregnancy-Induced Transfer of Pathogen-Specific T Cells from Mother to Fetus in Mice

    By using ovalbumin recombinant Listeria monocytogenes (LmOVA), scientists provided evidence that OVA-specific T cells were transferred from the mother to the fetus, which was associated with increased activation of T cells and a milder course of postnatal infection in the offspring.
    [EMBO Reports]

    Full ArticleGraphical Abstract

    Chitinase 3-Like 1 Plays a Pivotal Role in Airway Response of RSV Infection via Regulating DC Functional Transition

    Investigators explored the mechanism of respiratory syncytial virus (RSV) regulating naive T cell differentiation through dendritic cells. They generated a Lentivirus shRNA expression vector to knock down CHI3L1 in mouse lungs and bone marrow-derived dendritic cells.
    [International Immunopharmacology]

    AbstractGraphical Abstract

    The Proteome of Extracellular Vesicles of the Lung Fluke Paragonimus kellicotti Produced In Vitro and in the Lung Cyst

    Researchers analyzed extracellular vesicles (EV) in excretory-secretory products released by Paragonimus kellicotti adult worms cultured in vitro and EV isolated from lung cyst fluid recovered from infected gerbils.
    [Scientific Reports]

    Full Article

    Recombinant Protein Based on Domain III and Capsid Regions of Zika Virus Induces Humoral and Cellular Immune Response in Immunocompetent BALB/C Mice

    Scientists obtained a novel subunit vaccine that combines two regions of Zika genome, domain III of the envelope and the capsid, in a chimeric protein in E. coli bacteria.
    [Vaccine]

    Abstract

    Hepatitis B Virus Envelope Antigen and Hepatitis B Virus Surface Antigen Both Contribute to the Innate Immune Response During Persistent Hepatitis B Virus Infection

    Researchers investigated the changes of toll-like receptor 4, proinflammatory cytokine expression, hepatitis B virus surface antigen, and hepatitis B virus envelope antigen expression as well as innate immune cell percentages in a mouse model of persistent hepatitis B virus infection.
    [Viral Immunology]

    Abstract
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    REVIEWS

    ACE2 in Chronic Disease and COVID-19: Gene Regulation and Post-translational Modification

    The authors summarize the gene regulation and post-translational modification of angiotensin-converting enzyme 2 (ACE2) in chronic disease and COVID-19. Understanding the regulation and modification of ACE2 may help to develop prevention or treatment strategies for ACE2-mediated diseases.
    [Journal Of Biomedical Science]

    Full ArticlePress Release

    INDUSTRY AND POLICY NEWS

    Biostax Corp. Signs Collaboration Agreement with Immgenuity, Inc. to Pursue Remission in HIV

    Immune Therapeutics, Inc. d/b/a Biostax Corp. with Immgenuity, Inc. will focus on using Immgenuity’s IMTV014 and Biostax’s Lodonal™ and JKB-122 both independently and together to determine if the immune modulatory effects of the drug therapies combined can achieve remission with HIV patients.
    [Immune Therapeutics, Inc.]

    Press Release
    FEATURED EVENT

    AACR Special Conference: Pancreatic Cancer

    September 27 – 30, 2023
    Boston, Massachusetts, United States

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    JOB OPPORTUNITIES

    Assistant Professor – Infectious Diseases

    Montana State University – Bozeman, Montana, United States

    Assistant Professor – Infectious Diseases

    Medical College of Wisconsin – Milwaukee, Wisconsin, United States

    Faculty Positions – Immunology & Microbiology

    The Scripps Research Institute – La Jolla, California, United States

    Faculty – Pediatric Infectious Diseases

    WMU Homer Stryker MD School of Medicine – Kalamazoo, Michigan, United States

    Research Associate – Recombinant Protein

    Creative Biolabs – New York, New York, United States

    > See All Jobs

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