Immune Regulation News Volume 14.15 | Apr 28 2022

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    2022-04-29 | IRN 14.15


    Immune Regulation News by STEMCELL Technologies
    Vol. 14.15 – 29 April, 2022
    TOP STORY

    Neuroimmune Cardiovascular Interfaces Control Atherosclerosis

    Scientists suggested that the peripheral nervous system may have directly interacted with diseased arteries. Widespread neuroimmune cardiovascular interfaces arose in mice and human atherosclerosis-diseased adventitia segments showed expanded axon networks.
    [Nature]

    AbstractPress Release

    728x90_2022J1-KSImmunoMetabolism22
    PUBLICATIONSRanked by the impact factor of the journal

    Maladaptive Innate Immune Training of Myelopoiesis Links Inflammatory Comorbidities

    Researchers showed that maladaptive bone marrow-mediated trained innate immunity underlied inflammatory comorbidities, as exemplified by the periodontitis-arthritis axis.
    [Cell]

    AbstractGraphical Abstract

    Engineered Nanoerythrocyte Alleviate Central Nervous System Inflammation by Regulating the Polarization of Inflammatory Microglia

    The authors developed an MG1 peptide and RVG29 peptide engineered nanoerythrocyte that could reprogram microglia from classical M1 toward alternative M2 by inducing heme oxygenase-1, stimulating Notch1/Hes1/Stat3 signaling, and further inhibiting NF-κB p65 translocation.
    [Advanced Materials]

    Abstract

    Dynamic Transcriptional Activity and Chromatin Remodeling of Regulatory T Cells after Varied Duration of Interleukin-2 Receptor Signaling

    Scientists investigated transcriptional and epigenetic changes after acute, periodic and persistent IL-2 receptor signaling in mouse peripheral regulatory T cells in vivo using IL-2 or the long-acting IL-2-based biologic mouse IL-2–CD25.
    [Nature Immunology]

    Full Article

    The IFNγ-PDL1 Pathway Enhances CD8T-DCT Interaction to Promote Hypertension

    Investigators used mouse models of DOCA+salt treatment and adoptive transfer of CD8+ T cells (CD8T) from hypertensive animals to normotensive animals in in vivo studies.
    [Circulation Research]

    Abstract

    A Dominant Function of LynB Kinase in Preventing Autoimmunity

    Researchers reported that the LynB splice variant of the Src-family kinase Lyn exerted a dominant immunosuppressive function in vivo, whereas the LynA isoform was uniquely required to restrain autoimmunity in female mice.
    [Science Immunology]

    Full Article

    Central Memory T Cells Are the Most Effective Precursors of Resident Memory T Cells in Human Skin

    Scientists used an in vitro differentiation system and human skin–grafted mice to study memory T cell generation from circulating human memory T cell subsets.
    [Science Immunology]

    Abstract

    RNA Polymerase II Pausing Factor NELF in CD8+ T Cells Promotes Antitumor Immunity

    The authors showed that negative elongation factor (NELF), an RNA polymerase II pausing factor, cooperated with T cell factor 1 in T cell responses to cancer.
    [Nature Communications]

    Full Article

    T Cell Receptor and IL-2 Signaling Strength Control Memory CD8+ T Cell Functional Fitness via Chromatin Remodeling

    Investigators showed that the strength of T cell receptor signaling controlled the requirement for interleukin-2 (IL-2) signals to form a pool of memory CD8+ T cells that competitively re-expanded upon secondary antigen encounter.
    [Nature Communications]

    Full Article

    Tumor FAK Orchestrates Immunosuppression in Ovarian Cancer via the CD155/TIGIT Axis

    Scientists found that combined oral FAK inhibitor plus function-blocking TIGIT antibody immunotherapy reduced tumor burden, prolonged mouse survival, and led to immune cell activation and tertiary lymphoid structure formation, hallmarks of an antitumor immune response.
    [Proceedings of the National Academy of Sciences of the United States of America]

    Full Article

    IFN-γ+ Cytotoxic CD4+ T Lymphocytes Are Involved in the Pathogenesis of Colitis Induced by IL-23 and the Food Colorant Red 40

    Using single-cell transcriptomic analysis, researchers found that several CD4+ T-cell subsets were present in the intestines of colitic mice, including an interferon (IFN)-γ-producing subset.
    [Cellular & Molecular Immunology]

    Full Article

    Oncogenic Vav1-Myo1f Induces Therapeutically Targetable Macrophage-Rich Tumor Microenvironment in Peripheral T Cell Lymphoma

    Investigators showed that expression of Vav1-Myo1f, a recurrent peripheral T cell lymphoma-associated VAV1 fusion, induces oncogenic transformation of CD4+ T cells.
    [Cell Reports]

    Full ArticleGraphical Abstract

    Interferons Limit Autoantigen-Specific CD8+ T Cell Expansion in the Non-Obese Diabetic Mouse

    The authors characterized islet antigen-specific T cells in non-obese diabetic mice lacking all three interferon receptor genes.
    [Cell Reports]

    Full ArticleGraphical Abstract

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    REVIEWS

    TCF-1: A Maverick in T Cell Development and Function

    Investigators discuss the current understanding of the multiple roles of TCF-1 in T cell development and function and their mechanistic underpinnings.
    [Nature Immunology]

    Abstract

    Lipid Metabolism in T Cell Signaling and Function

    The authors discuss how extracellular, de novo synthesized and membrane lipids orchestrate T cell biology and describe the roles of lipids as regulators of intracellular signaling at the levels of transcriptional, epigenetic and post-translational regulation in T cells.
    [Nature Chemical Biology]

    Abstract

    Interaction between Macrophages and Ferroptosis

    Scientists discuss the interaction between macrophages and ferroptosis concerning three metabolisms and integrate the application of certain relationship in curing diseases, mostly cancer.
    [Cell Death & Disease]

    Full Article

    INDUSTRY AND POLICY NEWS

    Applied Molecular Transport Announces Positive Top-Line Phase II Results from FILLMORE Trial of Oral AMT-101 in Patients with Chronic Pouchitis

    Applied Molecular Transport, Inc. announced positive top-line Phase II results from the FILLMORE monotherapy trial for AMT-101 in patients with chronic pouchitis, an orphan indication with significant unmet medical need and no current FDA-approved therapies.
    [Applied Molecular Transport, Inc.]

    Press Release

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    JOB OPPORTUNITIES

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    New York University College of Dentistry – New York, New York, United States

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    The Pirbright Institute – Pirbright, England, United Kingdom

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    Francis Crick Institute – London, England, United Kingdom

    Postdoctoral Fellow – Translational Autoimmunity

    Uppsala University – Uppsala, Sweden

    Research Technician – Human Biology

    Fred Hutchinson Cancer Center – Seattle, Washington, United States

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