Human Immunology News Volume 11.38 | Sep 26 2023

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    2023-09-26 | HIN 11.38


    Human Immunology News by STEMCELL Technologies
    Vol. 11.38 – 26 September, 2023
    TOP STORY

    Mitochondria-ER Contact Mediated by MFN2-SERCA2 Interaction Supports CD8+ T Cell Metabolic Fitness and Function in Tumors

    The authors showed that mitofusin-2 (MFN2) expression was positively correlated with the prognosis of multiple cancers. Genetic ablation of Mfn2 in CD8+ T cells dampened mitochondrial metabolism and function and promoted tumor progression.
    [Science Immunology]

    Abstract
    An overview of human NK cell receptors, activation, and biological function. Download your free wallchart now.
    PUBLICATIONSRanked by the impact factor of the journal

    CREB1-Driven CXCR4hi Neutrophils Promote Skin Inflammation in Mouse Models and Human Patients

    Investigators demonstrated that CXCR4hi neutrophils accumulated in the blood and inflamed skin in human psoriasis, and correlated with disease severity.
    [Nature Communications]

    Full Article

    Severe Hematotoxicity After CD19 CAR-T Therapy Is Associated with Suppressive Immune Dysregulation and Limited CAR-T Expansion

    Researchers investigated how chimeric antigen receptor (CAR) T cell expansion dynamics and serum proteomics affect neutrophil recovery phenotypes after CD19-directed CAR T cell therapy.
    [Science Advances]

    Full Article

    Regulation of Human and Mouse Bystander T Cell Activation Responses by PD-1

    Scientists observed that programmed cell death protein 1 (PD-1)+ T cells demonstrated less activation and proliferation than activated PD-1– populations in vitro.
    [JCI Insight]

    Full Article

    Acute Myeloid Leukemia-Derived Exosomes Deliver miR-24-3p to Hinder the T Cell Immune Response through DENN/MADD Targeting in the NF-κB Signaling Pathways

    Investigators found that acute myeloid leukemia blast-released exosomes enhanced CD3 T cell apoptosis in both CD4 and CD8 T cells.
    [Cell Communication and Signaling]

    Full Article

    Glioblastoma Cellular MAP4K1 Facilitates Tumor Growth and Disrupts T Effector Cell Infiltration

    The authors found that MAP4K1 was highly expressed in the glioma cells of human glioblastoma multiforme (GBM) specimens.They found that GBM cell-derived MAP4K1 impaired T cell migration and reduced CD8+ T cell infiltration.
    [Life Science Alliance]

    Full Article

    Vitamin D3 Regulates PM-Driven Primary Human Neutrophil Inflammatory Responses

    Researchers investigated the impact of standard urban particulate matter (PM) and PM2.5 collected from Chiang Mai, Thailand, on human peripheral blood neutrophil functions.
    [Scientific Reports]

    Full Article

    Secretomes of M1 and M2 Macrophages Decrease the Release of Neutrophil Extracellular Traps

    To analyze whether cytokines or immune cells could inhibit neutrophil extracellular trap (NET) formation, human granulocytes were incubated with IL-4, IL-10, transforming growth factor beta-2 or adenosine and then stimulated to release NETs.
    [Scientific Reports]

    Full Article

    YTHDF1 Shapes “Cold” Tumor and Inhibits CD8+ T Cells Infiltration and Function in Breast Cancer

    The downregulation of YTH N6-methyladenosine RNA binding protein 1 (YTHDF1) promoted the expression of pro-inflammatory markers and improved the anti-cancer ability of immune cells in breast cancer.
    [Experimental Cell Research]

    Abstract
    Activate, expand & differentiate your cells with cytokines, chemokines, and growth factors. Click to request a sample.
    REVIEWS

    Identifying Physiological Tissue Niches That Support the HIV Reservoir in T Cells

    Investigators discuss the cellular and molecular cues that are important for memory T cell homeostasis and highlight opportunities for HIV to hijack normal immunological processes to establish long-term viral persistence.
    [mBio]

    Full Article

    SHIP1 and Its Role for Innate Immune Regulation – Novel Targets for Immunotherapy

    Scientists summarize our current knowledge of SHIP1 with a focus on innate immune cells, where they reflect on the most pertinent aspects described in the current literature.
    [European Journal Of Immunology]

    Abstract
    INDUSTRY AND POLICY NEWS

    LAPIX Therapeutics Inc. Announces FDA Clearance of IND Application for Its Treg-Expanding Tim3/4 Agonist LPX-TI641 to Treat Multiple Sclerosis

    APIX Therapeutics, Inc. announced that it has received clearance of its Investigational New Drug (IND) application from the US FDA to initiate a Phase I clinical trial for its first-in-class, immune tolerance restoration small molecule, LPX-TI641, for the treatment of multiple sclerosis.
    [LAPIX Therapeutics, Inc.]

    Press Release

    NIH Upholds Controversial Plan to Step Up Oversight of Foreign Collaborators

    Despite negative feedback from the research community, the US National Institutes of Health (NIH) has decided to move forward with a policy requiring that foreign scientists receiving ‘subawards’ from the agency must share their laboratory notebooks and other raw data with their research partner in the US.
    [Nature News]

    Press Release
    FEATURED EVENT

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    November 28 – 30, 2023
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    JOB OPPORTUNITIES

    Scientific Director – Intramural Research Program

    National Cancer Institute – Bethesda, Maryland, United States

    Research Associate – Tissue Immunology

    Imperial College London – London, England, United Kingdom

    Assistant/Associate/Full Professor – Director of Allergy and Immunology Division

    McGill University – Montreal, Quebec, Canada

    Principal Investigators – Molecular Cell Science

    Chinese Academy of Sciences – Shanghai, China

    Open Rank Faculty – Pharmacology

    University of Houston – Houston, Texas, United States

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