Immunology of Infectious Disease News Volume 11.46 | Nov 22 2023

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    2023-11-22 | IIDN 11.46


    Immunology of Infectious Disease News by STEMCELL Technologies
    Vol. 11.46 – 22 November, 2023
    TOP STORY

    HIV-1 Env Trimers Asymmetrically Engage CD4 Receptors in Membranes

    Investigators used cryo-electron tomography to monitor viral envelope glycoprotein-CD4 interactions at the membrane–membrane interfaces formed between HIV-1 and CD4-presenting virus-like particles.
    [Nature]

    Full Article
    How can evaluating the immuno-oncology potential of compounds in vitro predict clinical outcomes? Watch this webinar by Dr. Alison O'Mahony, Eurofins DiscoverX
    PUBLICATIONSRanked by the impact factor of the journal

    Isolation May Select for Earlier and Higher Peak Viral Load but Shorter Duration in SARS-CoV-2 Evolution

    Researchers found that the SARS-CoV-2 variants selected for as the virus evolved from the pre-Alpha to the Delta variant had earlier and higher peak in viral load dynamics but a shorter duration of infection.
    [Nature Communications]

    Full ArticlePress Release

    Engineered Nanovesicles Expressing Bispecific Single Chain Variable Fragments to Protect against SARS-CoV-2 Infection

    A novel bispecific CB6/dendritic cell (DC)-specific intercellular adhesion molecule 3-grabbing nonintegrin nanovesicles were constructed to target both the SARS-CoV-2 spike protein and the DC receptors for virus neutralization and immune activation.
    [ACS Biomaterials Science & Engineering]

    AbstractGraphical Abstract

    Thrombocytopenia and Venous Thromboembolic Events after BNT162b2, CoronaVac, ChAdOx1 Vaccines and SARS-CoV-2 Infection: A Self-Controlled Case Series Study

    Scientists assessed the association between COVID-19 vaccines, SARS-CoV-2 infection and the risk of thrombocytopenia and venous thromboembolism.
    [Scientific Reports]

    Full Article

    Heat Inactivation of SARS-CoV 2 Enabled the Measurement of Salivary Cortisol During COVID-19 Pandemic

    Investigators speculated that the adoption of an appropriate technique to inactivate viral particles in saliva specimens allowed the safety maintenance of salivary collections, also during the SARS-CoV-2 outbreak.
    [Endocrine]

    Full Article

    Intermediate Conformations of CD4-Bound HIV-1 Env Heterotrimers

    Researchers illuminated intermediate conformations of HIV-1envelope and illustrated its structural plasticity.
    [Nature]

    Full Article

    CMV Reactivation and CMV-Specific Cell-Mediated Immunity After Chimeric Antigen Receptor T Cell Therapy

    The authors prospectively enrolled 72 adult cytomegalovirus (CMV)-seropositive CD19-, CD20-, or BCMA-targeted chimeric antigen receptor-modified T cell immunotherapy (CARTx)-recipients and tested plasma for CMV pre- and weekly up to twelve weeks post-CARTx.
    [Clinical Infectious Diseases]

    Abstract
    Graphical Abstract

    Single-Component Multilayered Self-Assembling Protein Nanoparticles Displaying Extracellular Domains of Matrix Protein 2 as a Pan-Influenza A Vaccine

    Researchers designed and evaluated single-component self-assembling protein nanoparticles (SApNPs) presenting the conserved extracellular domain of matrix protein 2 as vaccine candidates against influenza A viruses.
    [ACS Nano]

    Full ArticleGraphical Abstract

    HIV-1 Gag Targeting to the Plasma Membrane Reorganizes Sphingomyelin-Rich and Cholesterol-Rich Lipid Domains

    Scientists reported the interaction between viral Gag protein and host cell lipids using different quantitative and super-resolution microscopy techniques in combination with specific probes that bind endogenous sphingomyelin and cholesterol.
    [Nature Communications]

    Full Article
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    REVIEWS

    Cryptococcal Meningitis

    The authors discuss underlying immunology, changing epidemiology, and updates on the management of cryptococcal meningitis with emphasis on HIV-associated disease.
    [Nature Reviews Disease Primers]

    Full Article
    INDUSTRY AND POLICY NEWS

    Microbiologist Who Was Harassed During COVID Pandemic Sues University

    Siouxsie Wiles, a microbiologist at the University of Auckland, is suing her employer for failing to adequately address the harassment she received as a result of her public comments during the COVID-19 pandemic.
    [Nature]

    Press Release
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