Immunology of Infectious Disease News Volume 12.11 | Mar 20 2024

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    2024-03-19 | IIDN 12.11


    Immunology of Infectious Disease News by STEMCELL Technologies
    Vol. 12.11 – 20 March, 2024
    TOP STORY

    Antibody-Independent Protection against Heterologous SARS-CoV-2 Challenge Conferred by Prior Infection or Vaccination

    Researchers showed, through studies in mouse models lacking antibodies but maintaining functional B cells and lymphoid organs, that immunity conferred by prior infection or mRNA vaccination could protect against SARS-CoV-2 challenge independently of antibodies.
    [Nature Immunology]

    Full Article
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    Hybrid Immunity and SARS-CoV-2 Antibodies: Results of the HEROES-RECOVER Prospective Cohort Study

    From a cohort of health care personnel, first responders, and other frontline workers in six US states, investigators examined heterogeneity of the effect of hybrid immunity on SARS-CoV-2 antibody levels.
    [Clinical Infectious Diseases]

    Abstract

    AI-Guided Pipeline for Protein–Protein Interaction Drug Discovery Identifies a SARS-CoV-2 Inhibitor

    Scientists identified a compound that binds to NSP10 and inhibits its interaction with NSP16, while also disrupting the methyltransferase activity of the complex, and SARS-CoV-2 replication.
    [Molecular Systems Biology]

    Full ArticleGraphical Abstract

    SARS-CoV-2 Infection Is Detrimental to Pregnancy Outcomes after Embryo Transfer in IVF/ICSI: A Prospective Cohort Study

    The authors explored whether SARS-CoV-2 infection affected the pregnancy outcomes of assisted reproductive techniques.
    [BMC Medicine]

    Full Article

    Aesculus hippocastanum Extract and the Main Bioactive Constituent β-Escin As Antivirals Agents against Coronaviruses, Including SARS-CoV-2

    Investigators demonstrated that β-escin and Aesculus hippocastanum L. had antiviral and virucidal activities against SARS-CoV-2 and CCoV, revealing broad-spectrum antiviral activity against coronaviruses.
    [Scientific Reports]

    Full Article

    Mpox Virus Clade IIb Infected Cynomolgus Macaques via Mimic Natural Infection Routes Closely Resembled Human Mpox Infection

    Scientists established an animal model by infecting cynomolgus macaques with the prevalent MPXV strain, WIBP-MPXV-001, and simulating its natural routes of infection.
    [Emerging Microbes & Infections]

    Full Article

    Engineered Dityrosine-Bonding of the RSV Prefusion F Protein Imparts Stability and Potency Advantages

    Investigators showed that the prefusion conformation of respiratory syncytial virus fusion protein could be stabilized with two engineered dityrosine crosslinks, markedly improving its stability and shelf-life.
    [Nature Communications]

    Full Article

    CD4+ T Cell Count and HIV-1 Viral Load Dynamics Positively Impacted by H. pylori Infection in HIV-Positive Patients Regardless of ART Status in a High-Burden Setting

    Researchers investigated the effect of H. pylori co-infection on CD4+ T cell count and HIV viral load dynamics in HIV-positive individuals in a high co-endemic setting.
    [European Journal Of Medical Research]

    Full Article

    Safety and Immunogenicity of a Novel Trivalent Recombinant MVA-Based Equine Encephalitis Virus Vaccine: A Phase I Clinical Trial

    A novel multivalent MVA-BN-WEV vaccine encoded the envelope surface proteins of the 3 viruses and was thereby potentially able to protect against three encephalitic alphaviruses. This first-in-human study assessed the safety, tolerability, and immunogenicity of MVA-BN-WEV vaccine in healthy adult participants.
    [Vaccine]

    Abstract
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    REVIEWS

    Ferritin: Significance in Viral Infections

    The authors describe in detail the basic information of ferritin in the first section, including its structural features, the regulation of ferritin. They then focus on the role of ferritin in viral infection-related diseases and the molecular mechanisms by which viral infection regulates ferritin.
    [Reviews In Medical Virology]

    Abstract
    INDUSTRY AND POLICY NEWS

    ‘Lab-Leak’ Proponents at Rutgers Accused of Defaming and Intimidating COVID-19 Origin Researchers

    When it comes to describing scientists whose peer-reviewed studies suggest the COVID-19 virus made a natural jump from animals to humans, molecular biologist Richard Ebright and microbiologist Bryce Nickels have used some very harsh language.
    [Science]

    Editorial

    Nierenberg Prize Awarded to Biochemist Katalin Karikó for Pioneering Research on COVID-19 Vaccines

    Hungarian-American biochemist and researcher Katalin Karikó has been selected by Scripps Institution of Oceanography at UC San Diego as the recipient of the 2023 Nierenberg Prize for Science in the Public Interest.
    [UC San Diego Today]

    Press Release
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