Human Immunology News Volume 11.06 | Feb 14 2023

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    2023-02-14 | HIN 11.06


    Human Immunology News by STEMCELL Technologies
    Vol. 11.06 – 14 February, 2023
    TOP STORY

    Human IL-23 Is Essential for IFN-γ–Dependent Immunity to Mycobacteria

    The authors showed that IL-23 induced IL-17A only in MAIT cells, possibly contributing to the incomplete penetrance of chronic mucocutaneous candidiasis in patients unresponsive to IL-23. By contrast, IL-23 was required for both baseline and Mycobacterium-inducible IFN-γ immunity in both Vδ2+ γδ T and MAIT cells.
    [Science Immunology]

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    Immunotoxin-αCD40 Therapy Activates Innate and Adaptive Immunity and Generates a Durable Antitumor Response in Glioblastoma Models

    To improve the response rate and reverse immunosuppression, scientists combined D2C7-IT tumor cell killing with αCD40 costimulation of antigen-presenting cells. These promising preclinical data allowed for the initiatiation of a Phase I study with D2C7-IT+αhCD40 in patients with malignant glioma.
    [Science Translational Medicine]

    Full Article

    A Cooperative Nano-CRISPR Scaffold Potentiates Immunotherapy via Activation of Tumor-Intrinsic Pyroptosis

    Researchers report a cooperative Nano-CRISPR scaffold that utilized a specific sgRNA, selected from a functional screen for triggering endogenous GDSME expression, while releasing cisplatin to initiate immunologic cell death.
    [Nature Communications]

    Full Article

    Remodeling of Colon Plasma Cell Repertoire within Ulcerative Colitis Patients

    The authors performed single-cell V(D)J- and RNA-seq on sorted B cells from the colon of healthy individuals and patients with ulcerative colitis.
    [Journal Of Experimental Medicine]

    Full Article

    Na, K-ATPase α1 Cooperates with Its Endogenous Ligand to Reprogram Immune Microenvironment of Lung Carcinoma and Promotes Immune Escape

    Endogenous ouabain, an adrenergic hormone, was elevated in patients with non–small cell lung cancer, and was closely related to tumor pathological stage, metastasis, and survival.
    [Science Advances]

    Full Article

    Selective Emergence of Antibody-Secreting Cells in the Multiple Sclerosis Brain

    Ex vivo flow cytometry was performed on post-mortem blood, cerebrospinal fluid, meninges and white matter from 28 multiple sclerosis and 10 control brain donors to characterize B cells and antibody-secreting cells.
    [Ebiomedicine]

    Full Article

    A Vector-Encoded Bispecific Killer Engager to Harness Virus-Activated NK Cells As Anti-Tumor Effectors

    To specifically direct NK cells towards tumor cells, researchers developed oncolytic measles vaccines encoding bispecific killer engagers targeting CD16A on NK cells and carcinoembryonic antigen as a model tumor antigen.
    [Cell Death & Disease]

    Full ArticleGraphical Abstract

    Anticancer Polypyrrole-Polyethylenimine Drug-Free Nanozyme for Precise B-Cell Lymphoma Therapy

    Investigators studied an intelligent nanocomposite polymer immunomodulator, drug-free polypyrrole-polyethyleneimine nanozyme (PPY-PEI NZ), which effectively suppressed B cell colony-like growth in vitro accompanied by cytotoxicity via apoptosis induction.
    [Biomedicine & Pharmacotherapy]

    Full ArticleGraphical Abstract

    Controlled Release of Enhanced Cross-Hybrid IgGA FC PD-L1 Inhibitors Using Oncolytic Adenoviruses

    To enhance a previously designed an oncolytic adenovirus, the authors increaseed the IgG1 Fc-effector mechanisms of the IgGA Fc-fusion peptide, by adding four somatic mutations that increased natural killer cell activation.
    [Molecular Therapy Oncolytics]

    AbstractFull ArticleGraphical Abstract
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    REVIEWS

    Clinical Trials of Self-Replicating RNA-Based Cancer Vaccines

    Scientists review the clinical experience with self-replicating RNA-based cancer vaccines, and recent safety data from a study combining a viral replicon particles encoding HER2 plus an anti-PD1 monoclonal antibody.
    [Cancer Gene Therapy]

    Full Article
    INDUSTRY AND POLICY NEWS

    Valo Therapeutics Secures EUR 2.23 million from the European Innovation Council to Progress Innovative PeptiCHIP Technology

    Valo Therapeutics Oy announced it has secured funding of approximately EUR 2.23 million from the European Innovation Council to progress the company’s PeptiCHIP technology, which rapidly identifies a tumor’s antigen presentation profile to drive development of novel personalized immunotherapies.
    [Valo Therapeutics Oy]

    Press Release
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    The International Institute of Molecular and Cell Biology – Warsaw, Poland

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