Immune Regulation News Volume 12.38 | Oct 9 2020

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    IRN 12.38 | Oct 9 2020


    Immune Regulation News by STEMCELL Technologies
    Vol. 12.38 – 9 October, 2020
    TOP STORY

    A STAT3 Palmitoylation Cycle Promotes TH17 Differentiation and Colitis

    Scientists report that the key T helper 17 cell differentiation stimulator, STAT3, was subjected to reversible S-palmitoylation on cysteine 108. DHHC7 palmitoylated STAT3 and promoted its membrane recruitment and phosphorylation.
    [Nature]

    Abstract

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    PUBLICATIONSRanked by the impact factor of the journal

    Interleukin-33
    Activates Regulatory T Cells to Suppress Innate γδ T Cell Responses in the Lung

    Investigators describe an unexpected function of ST2+ regulatory T cells in suppressing the innate immune response in the lung to environmental allergens without altering the adaptive immune response.
    [Nature Immunology]

    Abstract

    TREML4
    Receptor Regulates Inflammation and Innate Immune Cell Death during Polymicrobial Sepsis

    Using whole-genome CRISPR screening in mice, the authors identified a triggering receptor expressed on myeloid cells family receptor, TREML4, as a key regulator of inflammation and immune cell death in sepsis.
    [Nature Immunology]

    Abstract

    Targeted Scavenging of Extracellular ROS Relieves Suppressive Immunogenic Cell Death

    The nanoscavenger anchors on the extracellular matrix sweet away the reactive oxygen species (ROS) from tumor microenvironment to relieve the immunosuppressive immunogenic cell death elicited by specific chemotherapy and prolonged the survival of T cells for personalized cancer immunotherapy.
    [Nature Communications]

    Full Article

    HIF-2α Is Indispensable for Regulatory T Cell Function

    Researchers showed that Treg cell development was normal in mice with Foxp3-specific knockout of hypoxia-inducible factor 1α (HIF-1α) or HIF-2α.
    [Nature Communications]

    Full Article

    LSD1
    Inhibition Induces Differentiation and Cell Death in Merkel Cell Carcinoma

    Scientists targeted epigenetic regulators in a pharmacological screen and discovered that the lysine‐specific histone demethylase 1A was required for merkel cell carcinoma growth in vitro and in vivo.
    [EMBO Molecular Medicine]

    Full ArticleGraphical Abstract

    IL-10
    Producing Type 2 Innate Lymphoid Cells Prolong Islet Allograft Survival

    Investigators showed that IL‐33 significantly prolonged islet allograft survival. IL‐33‐treated mice had elevated numbers of ILC2s and regulatory T cells.
    [EMBO Molecular Medicine]

    Full ArticleGraphical Abstract

    Epigenetic
    Control of Cdkn2a.Arf Protects Tumor-Infiltrating Lymphocytes From Metabolic Exhaustion

    Researchers report an epigenetic mechanism contributing to the development of metabolic exhaustion in tumor-infiltrating lymphocytes. Environmental stress produces epigenome remodeling events within tumor-infiltrating lymphocytes resulting from loss of the histone methyltransferase EZH2.
    [Cancer Research]

    Full Article

    Fibroblast-Derived
    IL-33 Facilitates Breast Cancer Metastasis by Modifying the Immune Microenvironment and Driving Type-2 Immunity

    Upregulation of IL-33 instigated type-2 inflammation in the metastatic microenvironment, and mediated recruitment of eosinophils, neutrophils and inflammatory monocytes to lung metastases.
    [Cancer Research]

    Abstract

    Treatment
    of Multiple Myeloma using Chimeric Antigen Receptor T Cells with Dual Specificity

    The authors developed a ‘dual-CAR’ targeting two multiple myeloma-associated antigens and explored its safety and efficacy. To reduce the “off target” toxicity, they used the recognition of paired antigens that were co-expressed by the tumor, to induce efficient CAR T cell activation.
    [Cancer Immunology Research]

    Abstract

    Immune
    Remodelling of the Extracellular Matrix Drives Loss of Cancer Stem Cells and Tumor Rejection

    Scientists defined an extended role for an effective immune response, not just in direct killing of tumor cells, but in widescale remodelling of the tumor microenvironment to favor loss of ECM, elimination of cancer stem cells, and propagation of adaptive immunity.
    [Cancer Immunology Research]

    Abstract

    M2
    Macrophage-Derived Exosomal lncRNA AFAP1-AS1 and microRNA-26a affect Cell Migration and Invasion in Esophageal Cancer

    Investigators explored the function of M2 macrophages-derived exosomes on the invasion and metastasis of esophageal cancer with the involvement of lncRNA AFAP1-AS1/microRNA-26a/activating transcription factor 2 axis.
    [Molecular Therapy-Nucleic Acids]

    AbstractGraphical Abstract

    LncRNA-AK149641
    Regulates the Secretion of Tumor Necrosis Factor-α in P815 Mast Cells by Targeting the Nuclear Factor-Kappa B Signaling Pathway

    Scientists elucidated the function and possible role of a novel lncRNA, called lncRNA-AK149641, in the mechanism of lipopolysaccharide-induced inflammatory response in P815 mast cells.
    [Scientific Reports]

    Full Article

    Liposomal
    Delivery of Azithromycin Enhances Its Immunotherapeutic Efficacy and Reduces Toxicity in Myocardial Infarction

    Scientists investigated the immunomodulatory role of a liposomal azithromycin formulation in a clinically relevant model to enhance its therapeutic potency and avoid off-target effects.
    [Scientific Reports]

    Abstract

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    REVIEWS

    Targeted
    Degradation of Immune Checkpoint Proteins: Emerging Strategies for Cancer Immunotherapy

    Cancer immunotherapy using immune-checkpoint blockade has displayed promising clinical effects, but prevalent antibody-based inhibitors face multiple challenges such as low response rate, acquired resistance, and adverse effects.
    [Oncogene]

    Abstract

    INDUSTRY AND POLICY NEWS

    CreakyJoints
    Español Awarded $1Million Grant to Promote Health Equity and Improve Health Outcomes Among Hispanics Living with Rheumatoid Arthritis

    CreakyJoints® Español announced that the Bristol Myers Squibb Foundation has funded the “RA Hispanic Outreach Program,” a $1 million, two-year grant to improve relationships between Hispanic people living with rheumatoid arthritis and rheumatologists.
    [CreakyJoints® Español (BusinessWire, Inc.)]

    Press Release


    Alivio Therapeutics Awarded $3.3 Million from US Department of Defense

    Alivio Therapeutics announced a $3.3 million US Department of Defense Technology/Therapeutic Development Award to advance its product candidate, ALV-304, for the treatment of inflammatory bowel disease. Alivio’s inflammation-targeting disease immunomodulation approach involves selectively restoring immune homeostasis at inflamed sites in the body, while having minimal impact on the rest of the body’s immune system.
    [Alivio Therapeutics]

    Press Release

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