Immune Regulation News Volume 15.14 | Apr 21 2023

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    2023-04-21 | IRN 15.14


    Immune Regulation News by STEMCELL Technologies
    Vol. 15.14 – 21 April, 2023
    TOP STORY

    Engineered Skin Bacteria Induce Antitumor T Cell Responses against Melanoma

    The authors engineered S. epidermidis generated tumor-specific T cells that infiltrated and reduced the growth of localized and metastatic melanoma.
    [Science]

    AbstractPress Release
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    PUBLICATIONSRanked by the impact factor of the journal

    Neutrophil Extracellular Traps Formed during Chemotherapy Confer Treatment Resistance via TGF-β Activation

    Scientists showed that chemotherapy induced neutrophil recruitment and neutrophil extracellular trap (NET) formation, which reduced therapy response in mouse models of breast cancer lung metastasis. Chemotherapy-treated cancer cells secreted interleukin-1β, which in turn triggered NET formation.
    [Cancer Cell]

    Full ArticleGraphical Abstract

    Lymphocyte Networks Are Dynamic Cellular Communities in the Immunoregulatory Landscape of Lung Adenocarcinoma

    Investigators used multiplexed imaging, quantitative spatial analysis, and machine learning to create high-definition maps of lung tumors from a Kras/Trp53-mutant mouse model and human resections. Networks of interacting lymphocytes emerged as a distinctive feature of the anti-cancer immune response.
    [Cancer Cell]

    Full ArticleGraphical Abstract

    Blockade of VEGFR3 Signaling Leads to Functional Impairment of Dural Lymphatic Vessels without Affecting Autoimmune Neuroinflammation

    During autoimmune neuroinflammation, the dura mater was only minimally affected, and neuroinflammation-induced helper T cell recruitment, activation, and polarization were significantly less pronounced in the dura mater than in the central nervous system,
    [Science Immunology]

    Full Article

    GRB2 Promotes Thymocyte Positive Selection by Facilitating THEMIS-Mediated Inactivation of SHP1

    Researchers showed that similar to Themis−/− thymocytes, the primary molecular defect in GRB2-deficient thymocytes was increased catalytically active SHP1 and the developmental block in GRB2-deficient thymocytes was alleviated by deletion or inhibition of SHP1 and exacerbated by SHP1 overexpression.
    [Journal Of Experimental Medicine]

    Abstract

    CD34+ Cell–Derived Fibroblast-Macrophage Cross-Talk Drives Limb Ischemia Recovery through the OSM-ANGPTL Signaling Axis

    Scientists combined single-cell RNA sequencing and genetic lineage tracing technology, then provided exact single-cell atlases of normal and ischemic limb tissues in human and mouse, finding that bone marrow–derived macrophages with antigen-presenting function migrated to the ischemic site.
    [Science Advances]

    Full Article

    BCA101 is a Tumor-Targeted Bifunctional Fusion Antibody that Simultaneously Inhibits EGFR and TGF-β Signaling to Durably Suppress Tumor Growth

    Investigators developed BCA101, an anti-EGFR IgG1 monoclonal antibody linked to an extracellular domain of human TGF-βRII. The TGF-β “trap” fused to the light chain in BCA101 did not sterically interfere with its ability to bind EGFR, inhibit cell proliferation, or mediate antibody-dependent cellular cytotoxicity.
    [Cancer Research]

    Abstract

    Hedgehog Signaling Regulates Treg to Th17 Conversion through Metabolic Rewiring in Breast Cancer

    Researchers discovered a functional role for Hedgehog (Hh) signaling in promoting Treg differentiation and immunosuppressive activity, and when Hh activity was inhibited, Tregs adopted a Th17-like phenotype complemented by an enhanced inflammatory profile.
    [Cancer Immunology Research]

    Abstract

    The eIF4EBP-eIF4E Axis Regulates CD4+ T Cell Differentiation through Modulation of T Cell Activation and Metabolism

    Scientists examined how altered eIF4E activity affected T cell function using mice lacking eIF4E-binding proteins (BP-/-), finding that BP-/- effector T cells showed elevated Th1 responses ex vivo and upon viral challenge with enhanced Th1 differentiation observed in vitro.
    [iScience]

    AbstractGraphical Abstract
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    REVIEWS

    IL-12 and IL-23 Pathway Inhibition in Inflammatory Bowel Disease

    The authors provide a summary of the biology of the interleukin (IL)-12 family cytokines IL-12 and IL-23, discuss the role of these cytokines in intestinal homeostasis and inflammation, and highlight IL-12- and IL-23-directed drug development for the treatment of Crohn’s disease and ulcerative colitis.
    [Nature Reviews Gastroenterology & Hepatology]

    Abstract

    Autoimmune Thyroid Diseases as a Cost of Physiological Autoimmune Surveillance

    Scientists propose that Graves’ disease and Hashimoto’s thyroiditis have the same fundamental origin: both diseases are the cost of a beneficial physiological process called autoimmune surveillance of hypersecreting mutants.
    [Trends In Immunology]

    Full Article

    The Relationship between CD4+ T Cell Glycolysis and Their Functions

    The authors summarize the effects of changes in the glycolysis level of CD4+ T cells on their activation, differentiation, proliferation, and survival, and emphasized that regulation of the glycolysis level of CD4+ T cells changes their inflammatory phenotypes and function.
    [Trends In Endocrinology And Metabolism]

    Full Article
    INDUSTRY AND POLICY NEWS

    Metrodora Opens Neuroimmune Research Center in Salt Lake City, Reveals First Biotech Partners

    The Metrodora Institute has opened the doors of its medical and research center in Salt Lake City, giving biopharma companies a new neuroimmune drug development and clinical trial partner in Utah.
    [Fierce Biotech]

    News Article

    Editors Quit Top Neuroscience Journal to Protest against Open-Access Charges

    More than 40 editors have resigned from two leading neuroscience journals in protest against what the editors say are excessively high article-processing charges set by the publisher. They say that the fees, which publishers use to cover publishing services and in some cases make money, are unethical.
    [Nature News & Views]

    News Article
    FEATURED EVENT

    Neurodegeneration: New Biology Guiding the Next Generation of Therapeutic Development

    May 15 – 19, 2023
    Vancouver, British Columbia, Canada

    > See All Events

    JOB OPPORTUNITIES

    Postdoctoral Position – Single-Cell Multiomics in T Cell Biology

    Karolinska Institutet – Solna, Sweden

    Postdoctoral Research Fellow – Striated Muscle Biology

    Cincinnati Children’s Hospital – Cincinnati, Ohio, United States

    Postdoctoral Positions – Cell Therapy and Cancer Biology

    Medical University of South Carolina – Charleston, South Carolina, United States

    Principal Scientist – Leukocyte-Tissue Interface

    Pfizer, Inc.- Cambridge, Massachusetts, United States

    Centre Head – Innate Immunity and Infectious Diseases

    Hudson Institute of Medical Research – Melbourne, Australia

    > See All Jobs

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