Immunology of Infectious Disease News Volume 10.24 | Jun 22 2022

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    2022-06-22 | IIDN 10.24


    Immunology of Infectious Disease News by STEMCELL Technologies
    Vol. 10.24 – 22 June, 2022
    TOP STORY

    Peptidoglycan Maturation Controls Outer Membrane Protein Assembly

    Researchers demonstrated that peptidoglycan underpinned the spatiotemporal organization of outer membrane proteins.
    [Nature]

    Full ArticlePress Release

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    Rapid Evaluation of COVID-19 Vaccine Effectiveness against Symptomatic Infection with SARS-CoV-2 Variants by Analysis of Genetic Distance

    Based on 78 vaccine efficacy or effectiveness (VE) data from 49 studies and 1,984,241 SARS-CoV-2 sequences collected from 31 regions, scientists analyzed the relationship between genetic distance of circulating viruses against the vaccine strain and VE against symptomatic infection.
    [Nature Medicine]

    Full Article

    Drivers of Adaptive Evolution during Chronic SARS-CoV-2 Infections

    Investigators searched for drivers of variant of concern-like emergence by consolidating sequencing results from a set of 27 chronic SARS-CoV-2 infections.
    [Nature Medicine]

    Full Article

    Immunogenicity and Reactogenicity of an Inactivated SARS-CoV-2 Vaccine (BBV152) in Children Aged 2–18 Years: Interim Data from an Open-Label, Non-Randomized, Age De-Escalation Phase II/III Study

    Scientists conducted an age de-escalation study to assess the safety, reactogenicity, and immunogenicity of an inactivated COVID-19 vaccine, BBV152, in children aged 2-18 years.
    [Lancet Infectious Diseases]

    Full Article

    Single-Cell Profiling of the Antigen-Specific Response to BNT162b2 SARS-CoV-2 RNA Vaccine

    Researchers identified and characterized antigen-specific cells and antibody responses to the RNA vaccine BNT162b2 using multiple single-cell technologies for in depth analysis of longitudinal samples from a cohort of healthy participants.
    [Nature Communications]

    Full Article

    Binding of the SARS-CoV-2 Envelope E Protein to Human BRD4 Is Essential for Infection

    The authors described the mechanisms by which the E protein of SARS-CoV-2 hijacked the human transcriptional regulator BRD4.
    [Structure]

    Full ArticleGraphical Abstract

    Enhancers of Host Immune Tolerance to Bacterial Infection Discovered Using Linked Computational and Experimental Approaches

    Computational transcriptomics and Xenopus laevis embryos were used to discover infection response pathways, identify potential tolerance inducer drugs, and validate their ability to induce broad tolerance.
    [Advanced Science]

    Full ArticlePress Release

    Microbial Uptake in Oral Mucosa–Draining Lymph Nodes Leads to Rapid Release of Cytotoxic CD8+ T Cells Lacking a Gut-Homing Phenotype

    Researchers identified mandibular lymph nodes as sentinel lymphoid organs that intercepted ingested Listeria monocytogenes.
    [Science Immunology]

    Full Article

    Myeloid Cell Tropism Enables MHC-E–Restricted CD8+ T Cell Priming and Vaccine Efficacy by the RhCMV/SIV Vaccine

    Using host microRNA-mediated vector tropism restriction, scientists showed that the priming of major histocompatibility complex (MHC)-II and MHC-E epitope–targeted responses depended on vector infection of different nonoverlapping cell types in rhesus macaques.
    [Science Immunology]

    Full Article

    Tet2 Coordinates with Foxo1 and Runx1 to Balance T Follicular Helper Cell and T Helper 1 Cell Differentiation

    Investigators reported that following viral infection, Tet2-deficient CD4+ T cells preferentially differentiated into highly functional germinal center T follicular helper cells that provided enhanced help for B cells.
    [Science Advances]

    Full Article

    Structure of the Rabies Virus Glycoprotein Trimer Bound to a Prefusion-Specific Neutralizing Antibody

    Researchers reported the 3.39 Ã… cryo-electron microscopy structure of trimeric, prefusion RABV-G complexed with RVA122, a potently neutralizing human antibody, providing a basis from which to develop improved rabies vaccines.
    [Science Advances]

    Full Article

    Therapeutic Efficacy of Combined Active and Passive Immunization in ART-Suppressed, SHIV-Infected Rhesus Macaques

    Scientists showed that the combination of active and passive immunization with vesatolimod may have led to higher rates of post-antiretroviral therapy virologic control compared to either approach alone.
    [Nature Communications]

    Full Article

    Identification of the Bartonella Autotransporter CFA as a Protective Antigen and Hypervariable Target of Neutralizing Antibodies in Mice

    The authors found that experimentally infected mice resolved Bartonella infection by mounting antibody responses that neutralized the bacteria, preventing their attachment to erythrocytes and suppressing bacteremia independent of complement or Fc receptors.
    [Proceedings of the National Academy of Sciences of the United States of America]

    Full Article

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    REVIEWS

    Antibodies to Combat Viral Infections: Development Strategies and Progress

    Scientists describe advances in antibody discovery and engineering that have led to the development of monoclonal antibodies for use against infections caused by viruses including SARS-CoV-2, respiratory syncytial virus, Ebola virus, human cytomegalovirus, and influenza.
    [Nature Reviews Drug Discovery]

    Full Article

    Characterization of Nanoparticles-Based Vaccines for COVID-19

    The accurate characterization of nanovaccines can be conceptualized as a combination of physicochemical, immunological, and toxicological assays.
    [Nature Nanotechnology]

    Full Article

    Immunomodulation Therapy Offers New Molecular Strategies to Treat UTI

    The immune system has a dual role as protector and cause of disease: in addition to being protective, increasing evidence shows that innate immune responses can become excessive and cause acute symptoms and tissue pathology during infection.
    [Nature Reviews Urology]

    Full Article

    INDUSTRY AND POLICY NEWS

    Humanigen Enters into Agreement with PCI Pharma Services as Part of Preparations for Commercialization in the United Kingdom

    Humanigen, Inc. announced it has entered into an agreement with PCI Pharma Services to provide importation, release, and commercialization services in the United Kingdom for lenzilumab.
    [Humanigen, Inc.]

    Press Release

    Erasmus Medical Center, Rotterdam Is Partnering with Olink to Deepen Understanding of Disease Progression and Accelerate the Development of Novel Therapies

    Olink Holding AB announced that the Human Genomics Facility of the Erasmus Medical Center in Rotterdam has adopted the Olink technology, becoming the first Olink® Explore certified laboratory in the Netherlands.
    [Olink Holding AB]

    Press Release

    Pfizer-BioNTech COVID-19 Vaccine Receives FDA Emergency Use Authorization for Children 6 Months through 4 Years of Age

    Pfizer, Inc. and BioNTech SE announced the US FDA has granted emergency use authorization of the Pfizer-BioNTech COVID-19 Vaccine as a three 3-µg dose series for children six months through four years of age.
    [Pfizer, Inc.]

    Press Release

    Adaptive Biotechnologies Launches T-Detectâ„¢ Lyme, A New T Cell Clinical Test for the Detection of Early Lyme Disease

    Adaptive Biotechnologies Corporation announced the launch of T-Detect™ Lyme. The T-Detect test detects an immune response by leveraging the body’s unique T cell response to disease-associated antigens.
    [Adaptive Biotechnologies Corporation]

    Press Release

    FEATURED EVENT

    Danish Stem Cell Society (DASCS) 2022

    September 19 – 20, 2022
    Vejle, Denmark

    > See All Events

    JOB OPPORTUNITIES

    Professor – Molecular Parasitology

    University of Copenhagen – Copenhagen, Denmark

    Senior Lecturer – Immunology

    University of Gothenburg – Gothenburg, Sweden

    Postdoctoral Research Fellow – Precision Vaccines Program

    Boston Children’s Hospital – Boston, Massachusetts, United States

    Tenure Track Assistant or Associate Professor – Lung Inflammation

    Temple University – Philadelphia, Pennsylvania, United States

    Director – Vaccine Research Center

    National Institute of Allergy and Infectious Diseases – Bethesda, Maryland, United States

    > See All Jobs

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