Immune Regulation News Volume 13.17 | May 14 2021

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    2021-05-14 | IRN 13.17


    Immune Regulation News by STEMCELL Technologies
    Vol. 13.17 – 14 May, 2021
    TOP STORY

    Food Colorants Metabolized by Commensal Bacteria Promote Colitis in Mice with Dysregulated Expression of Interleukin-23

    Investigators showed that the azo dyes Red 40 and Yellow 6, the most abundant food colorants in the world, could trigger an IBD-like colitis in mice conditionally expressing interluekin (IL)-23, or in two additional animal models in which IL-23 expression was augmented.
    [Cell Metabolism]

    AbstractGraphical Abstract
    With ImmunoCultâ„¢ Dendritic Cell Culture Kit, you can generate immature, as well as mature, dendritic cells from human monocytes.
    PUBLICATIONSRanked by the impact factor of the journal

    CD4+ T Cells Are Essential for the Development of Destructive Thyroiditis Induced by Anti–PD-1 Antibody in Thyroglobulin-Immunized Mice

    To clarify which T cell subsets were involved in the development of destructive thyroiditis (thyroid-irAE), a mouse model of thyroid-irAE was analyzed.
    [Science Translational Medicine]

    Abstract

    CD200 Limits Monopoiesis and Monocyte Recruitment in Atherosclerosis

    Investigators showed that the CD200-CD200R pathway restrained activation of CD200R+ lesional macrophages, their production of CCR2 ligands, and monocyte recruitment in vitro and in vivo in an air pouch model.
    [Circulation Research]

    Abstract

    Conserved Human Effector Treg Cell Transcriptomic and Epigenetic Signature in Arthritic Joint Inflammation

    The authors combined transcriptional and epigenetic profiling to identify a human effector Treg cell signature.
    [Nature Communications]

    Full Article

    Dual Vaccination against IL-4 and IL-13 Protects against Chronic Allergic Asthma in Mice

    Researchers developed conjugate vaccines against mouse IL-4 and IL-13, and demonstrated their prophylactic and therapeutic efficacy in reducing IgE levels, AHR, eosinophilia and mucus production in mouse models of asthma analyzed up to 15 weeks after initial vaccination.
    [Nature Communications]

    Full Article

    Asymmetric Cell Division Shapes Naive and Virtual Memory T Cell Immunity during Aging

    Investigators found that aging, known to negatively impact immune responses, impaired asymmetric cell division in murine CD8+ T cells, and that this phenotype could be rescued by transient mTOR inhibition.
    [Nature Communications]

    Full Article

    PD-1 Suppresses TCR-CD8 Cooperativity during T-cell Antigen Recognition

    Researchers reported PD-1 signaling regulated the initial T cell receptor antigen recognition manifested in a smaller spreading area, fewer molecular bonds formed, and shorter bond lifetime of T cell interaction with peptide-major histocompatibility complex in the presence than absence of PD-1 ligand-1 in a manner dependent on Src homology region 2 domain-containing phosphatases and Leukocyte C-terminal Src kinase.
    [Nature Communications]

    Full Article

    A Cytokine Receptor-Masked IL2 Prodrug Selectively Activates Tumor-Infiltrating Lymphocytes for Potent Antitumor Therapy

    The authors demonstrated that preoperative ProIL2 and surgery treatment was vastly superior to ProIL2 or surgery alone in eradicating metastases and could also prevent cancer recurrence in mammary tumor-bearing mice.
    [Nature Communications]

    Full Article

    Myeloid-Derived Suppressor Cells Regulate the Immunosuppressive Functions of PD-1−PD-L1+ Bregs through PD-L1/PI3K/AKT/NF-κB Axis in Breast Cancer

    Scientists reported that blocking PD-1/PD-L1 interaction between myeloid-derived suppressor cells and B cells could reverse the immunosuppressive functions of PD-1−PD-L1+ Bregs.
    [Cell Death & Disease]

    Full Article

    Dynamic Regulation of the Molecular Mechanisms of Regulatory T Cell Migration in Inflamed Skin

    Investigators used multiphoton intravital microscopy to examine the role of RGD-binding integrins and signaling through phosphoinositide 3-kinase P110δ in intradermal Treg migration in resting and inflamed skin.
    [Frontiers in Immunology]

    Full Article
    Request your free copy of the 'Production of Chimeric Antigen Receptor T Cells' Wallchart
    REVIEWS

    Regulation and Functional Roles of Chemokines in Liver Diseases

    The authors provide an overview of chemokine biology, with a particular focus on the genetic and epigenetic regulation of chemokine transcription as well as on the cell type-specific production of chemokines by liver cells and liver-associated immune cells.
    [Nature Reviews Gastroenterology & Hepatology]

    Abstract

    Fibroblast-Macrophage Reciprocal Interactions in Health, Fibrosis, and Cancer

    Investigators present an integrated view of fibroblast-macrophage interactions that is centered on the CSF1-CSF1R axis and discuss how additional molecular programs linking these cell types can underpin disease onset, progression, and resolution.
    [Immunity]

    Abstract

    Epigenetic Dysregulation of Immune-Related Pathways in Cancer: Bioinformatics Tools and Visualization

    Scientists summarize the current evidence for epigenetic regulation of immune-related pathways in cancer and describe bioinformatics tools, informative visualization techniques, and resources to help decipher the cancer epigenome.
    [Experimental & Molecular Medicine]

    Full Article
    INDUSTRY AND POLICY NEWS

    Connect Biopharma Announces First Patient Dosed in Phase II Trial Evaluating CBP-201 in Adults with Moderate-to-Severe Persistent Asthma

    Connect Biopharma Holdings Limited announced that the first patient has been dosed in a Phase II trial evaluating CBP-201 in adults with moderate-to-severe persistent asthma.
    [Connect Biopharma Holdings Limited]

    Press Release

    Auris Medical Reaches Midpoint for Enrollment in Part B of AM-125 Phase II TRAVERS Trial in Acute Peripheral Vertigo

    Auris Medical Holding Ltd. announced that it has reached the midpoint for enrollment in Part B of its Phase II proof-of-concept trial of AM-125 in the treatment of acute peripheral vertigo.
    [Auris Medical Holding Ltd.]

    Press Release
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    JOB OPPORTUNITIES

    Postdoctoral Position – Intestinal Epithelial Barrier in Autoimmune Diseases

    BioMed X Institute – Heidelberg, Germany

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    Universit̩ Libre de Bruxelles РBrussels, Belgium

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    Trinity College Dublin – Dublin, Republic of Ireland

    Postdoctoral Associate – Immunotherapy, Genomic Instability, Anti-Tumor Immunity

    Baylor College of Medicine – Houston, Texas, United States

    Research Fellow – Intestinal Stem Cells & Gastrointestinal Diseases

    Case Western Reserve University – Cleveland, Ohio, United States

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