Immunology of Infectious Disease News Volume 11.33 | Aug 23 2023

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    2023-08-23 | IIDN 11.33


    Immunology of Infectious Disease News by STEMCELL Technologies
    Vol. 11.32 – 23 August, 2023
    TOP STORY

    A Germ-Free Humanized Mouse Model Shows the Contribution of Resident Microbiota to Human-Specific Pathogen Infection

    Researchers developed germ-free mice systemically reconstituted with human immune cells and used them to evaluate the role of the resident microbiome in the acquisition, replication, and pathogenesis of two human-specific pathogens, Epstein–Barr virus and HIV.
    [Nature Biotechnology]

    Abstract
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    PUBLICATIONSRanked by the impact factor of the journal

    Cryo-EM Structure of the Nucleocapsid-Like Assembly of Respiratory Syncytial Virus

    Investigators resolved the near-atomic cryo-EM structure of respiratory syncytial virus (RSV) nucleoprotein-RNA that represented roughly one turn of the helical assembly that unveiled critical interaction interfaces of RSV nucleocapsid and may facilitate the development of RSV antiviral therapy.
    [Signal Transduction And Targeted Therapy]

    Full Article

    Baseline Innate and T Cell Populations Are Correlates of Protection Against Symptomatic Influenza Virus Infection Independent of Serology

    Researchers measured the peripheral immune profiles of 206 vaccinated or unvaccinated adults to determine how baseline variations in the cellular and humoral immune compartments contribute independently or synergistically to the risk of developing symptomatic influenza.
    [Nature Immunology]

    AbstractPress Release

    Rescue of Alveolar Wall Liquid Secretion Blocks Fatal Lung Injury by Influenza-Staphylococcal Coinfection

    Scientists showed influenza A virus infection blocked defensive alveolar wall liquid secretion and induced airspace liquid absorption, thereby reversing normal alveolar liquid dynamics and inhibiting alveolar clearance of inhaled Staphylococcus aureus.
    [Journal Of Clinical Investigation]

    AbstractGraphical Abstract

    Neuropeptide CGRP Promotes Immune Homeostasis of Bacterial Meningitis by Inducing MHC-II Ubiquitination Get Access Arrow

    The effects of calcitonin gene-related peptide (CGRP) on bacterial meningitis (BM) and the underlying mechanisms were investigated in BM mice in vivo and macrophages in vitro.
    [Journal Of Infectious Diseases]

    Abstract

    CXCR4 Targeting Nanoplatform for Transcriptional Activation of Latent HIV-1 Infected T Cells

    Investigators developed a mixed nano micelle drug delivery system for simultaneous targeting of HIV-infected CD4+ T cells with two drugs, suberoylanilide hydroxamic acid and phorbol 12-myristate 13-acetate.
    [ACS Applied Bio Materials]

    AbstractGraphical Abstract

    Infection with Alternate Frequencies of SARS-CoV-2 Vaccine Boosting for Patients Undergoing Antineoplastic Cancer Treatments

    Researchers quantified reinfection risks for patients undergoing distinct antineoplastic therapies, given alternative frequencies of boosting with Pfizer-BioNTech BNT162b2.
    [JNCI-Journal Of The National Cancer Institute]

    Abstract

    Atypical B Cells and Impaired SARS-CoV-2 Neutralization following Heterologous Vaccination in the Elderly

    Individuals 70 years or older who received a primary two-dose schedule with AZD1222 and booster third dose with mRNA vaccine achieved significantly lower neutralizing antibody responses against SARS-CoV-2 spike pseudotyped virus compared with those younger than 70 at 1-month post booster.
    [Cell Reports]

    Full ArticleGraphical Abstract

    Discovery and Multimerization of Cross-Reactive Single-Domain Antibodies against SARS-Like Viruses to Enhance Potency and Address Emerging SARS-CoV-2 Variants

    Through llama immunization campaigns, scientists identified single-domain antibodies that were cross-reactive against multiple emergent coronaviruses. Importantly, a number of these antibodies showed sub-nanomolar potency towards all SARS-like viruses including emergent CoV-2 variants.
    [Scientific Reports]

    Full Article
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    REVIEWS

    The Emerging Role of MAIT Cell Responses in Viral Infections

    The authors summarize recent progress and highlight outstanding questions regarding the emerging role of mucosal-associated invariant T (MAIT) cells in antiviral immunity.
    [Journal Of Immunology]

    Abstract
    INDUSTRY AND POLICY NEWS

    Tonix Pharmaceuticals Announces Results of Pre-IND Meeting with FDA for TNX-801 as a Potential Vaccine to Prevent Mpox and Smallpox

    Tonix Pharmaceuticals Holding Corp. announced that it received the official written response from a Type B pre-Investigational New Drug Application meeting with the US FDA to develop TNX-8011 as a potential vaccine to protect against mpox disease and smallpox.
    [Tonix Pharmaceuticals Holding Corp.]

    Press Release
    FEATURED EVENT

    Unconventional and Emerging Experimental Organisms in Cell and Developmental Biology

    September 17 – 20, 2023
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    JOB OPPORTUNITIES

    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

    Assistant Professor – Immunology

    Harvard Medical School – Boston, Massachusetts, United States

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