Human Immunology News Volume 10.36 | Sep 13 2022

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    2022-09-13 | HIN 10.36


    Human Immunology News by STEMCELL Technologies
    Vol. 10.36 – 13 September, 2022
    TOP STORY

    Distinct Cellular Dynamics Associated with Response to CAR-T Therapy for Refractory B Cell Lymphoma

    Investigators performed single-cell transcriptome sequencing of 105 pretreatment and post-treatment peripheral blood mononuclear cell samples, and infusion products collected from 32 individuals with large B cell lymphoma treated with either of two CD19 CAR-T products: axicabtagene ciloleucel or tisagenlecleucel.
    [Nature Medicine]

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    Post-Infusion CAR TReg Cells Identify Patients Resistant to CD19-CAR Therapy

    Single-cell proteomic profiling of circulating CAR T cells in 32 patients treated with CD19-CAR identified that CD4+Helios+ CAR T cells on day seven after infusion were associated with progressive disease and less severe neurotoxicity.
    [Nature Medicine]

    Full Article

    Low Dose Interleukin-2 Selectively Expands Circulating Regulatory T Cells but Fails to Promote Liver Allograft Tolerance in Humans

    The authors conducted a clinical trial in stable liver recipients two to six years post-transplant to determine the capacity of low dose interleukin-2 to suppress allospecific immune responses and allow for the complete discontinuation of maintenance immunosuppression.
    [Journal of Hepatology]

    Full ArticleGraphical Abstract

    Systemic Delivery of mPEG-Masked Trispecific T Cell Nanoengagers in Synergy with STING Agonists Overcomes Immunotherapy Resistance in TNBC and Generates a Vaccination Effect

    A methoxy poly(ethylene glycol) (mPEG)-masked CD44×PD-L1/CD3 trispecific T cell nanoengager loaded with the STING agonist c-di-AMP for the treatment of triple-negative breast cancer (TNBC) was rationally designed.
    [Advanced Science]

    Full Article

    Heterogeneity and Transcriptome Changes of Human CD8+ T Cells across Nine Decades of Life

    Scientists used single-cell RNA sequencing with both cross-sectional and longitudinal samples to assess how human CD8+ T cell heterogeneity and transcriptomes changed over nine decades of life.
    [Nature Communications]

    Full Article

    NETosis and Thrombosis in Vaccine-Induced Immune Thrombotic Thrombocytopenia

    Researchers showed neutrophils undergoing NETosis and confirm expression markers of neutrophil extracellular traps (NETs) in vaccine-induced immune thrombotic thrombocytopenia patients.
    [Nature Communications]

    Full Article

    Diminished Cell Proliferation Promotes Natural Killer Cell Adaptive-Like Phenotype by Limiting FcεRIγ Expression

    Investigators observed lower FcRγ protein expression in NK cell subsets from lung transplant patients during rapamycin treatment, suggesting a link with reduced mTOR activity.
    [Journal of Experimental Medicine]

    Full Article

    S1P/S1PR1 Signaling Differentially Regulates the Allogeneic Response of CD4 and CD8 T Cells by Modulating Mitochondrial Fission

    Scientists demonstrated that recipient sphingosine kinase 1 (Sphk1), but not Sphk2, was required for optimal sphingosine-1-phosphate receptor 1 (S1PR1)-dependent donor T cell allogeneic responses by secreting S1P.
    [Cellular & Molecular Immunology]

    Abstract

    Microarray-Guided Evaluation of the Frequency, B Cell Origins, and Selectivity of Human Glycan-Binding Antibodies Reveals New Insights and Novel Antibodies

    Investigators used a glycan microarray with over 800 different components to screen a panel of 516 human monoclonal antibodies that had been randomly cloned from different B cell subsets originating from healthy human subjects.
    [Journal of Biological Chemistry]

    Full Article

    Characterization of the T Cell Receptor Repertoire and Melanoma Tumor Microenvironment upon Combined Treatment with Ipilimumab and hTERT Vaccination

    Researchers evaluated a novel telomerase-targeting therapeutic cancer vaccine, UV1, in combination with ipilimumab, in patients with metastatic melanoma.
    [Journal of Translational Medicine]

    Full ArticlePress Release

    Critical Evaluation of an Autologous Peripheral Blood Mononuclear Cell-Based Humanized Cancer Model

    Scientists developed an autologous humanized mouse cancer model by engrafting NSG mice with patient-derived xenografts and infused matched peripheral blood mononuclear cells.
    [PLoS One]

    Abstract

    Balance between Immunoregulatory B Cells and Plasma Cells Drives Pancreatic Tumor Immunity

    Researchers identified dysregulated transcriptional program in B cells that disrupted differentiation of naive B cells into anti-tumor plasma cells.
    [Cell Reports Medicine]

    Full ArticleGraphical Abstract

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    REVIEWS

    Bifurcation of Signaling in Human Innate Immune Pathways to NF-kB and IRF Family Activation

    Scientists discuss the current state of knowledge about what is known about how pathways bifurcate to activate NF-κB and IRF family members.
    [Biochemical Pharmacology]

    Full ArticleGraphical Abstract

    γδ T Cells: The Potential Role in Liver Disease and Implications for Cancer Immunotherapy

    The authors discuss molecular mechanisms underlying immune γδ T cell activity in liver disease, including immune liver injury, viral hepatitis, cirrhosis, and hepatocellular carcinoma, and review γδ T cell-based clinical immunotherapeutic approaches.
    [Journal of Leukocyte Biology]

    Abstract

    INDUSTRY AND POLICY NEWS

    Fresh Tracks Therapeutics Initiates Multiple Ascending Dose Portion of Phase I Study of DYRK1A Inhibitor FRTX-02

    Fresh Tracks Therapeutics, Inc. announced that it has initiated the multiple ascending dose portion of the ongoing Phase I clinical trial in Canada evaluating FRTX-02, the company’s lead drug candidate, in healthy adult subjects.
    [Fresh Tracks Therapeutics, Inc. (Globe Newswire, Inc.)]

    Press Release

    Marker Therapeutics Awarded $2 Million Grant from US FDA to Support Marker’s Phase II ARTEMIS Trial of MT-401 in Post-Transplant AML

    Marker Therapeutics, Inc. announced that the company has been awarded a $2 million grant from the US FDA Orphan Products Grants program to support its Phase II ARTEMIS trial of its lead multi-tumor-associated antigen T cell product candidate, MT-401, in patients with post-transplant acute myeloid leukemia (AML).
    [Marker Therapeutics, Inc.]

    Press Release

    FASEB Announces 2022 Excellence in Science Award Recipients

    The Federation of American Societies for Experimental Biology (FASEB) Excellence in Science Lifetime Achievement Award recognized that Arlene Sharpe’s influence in the field of immunology extends well beyond the lab through her passionate training and mentoring of the next generation of scientists.
    [Federation of American Societies for Experimental Biology]

    Press Release

    FEATURED EVENT

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    September 30, 2022
    Clayton, Victoria, Australia

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    JOB OPPORTUNITIES

    Assistant/Associate Professor – Comparative Biomedical Science

    Louisiana State University – Baton Rouge, Louisiana, United States

    Postdoctoral Research Associate – Department of Cardiothoracic and Vascular Surgery

    Albert Einstein College of Medicine – Bronx, New York, United States

    Research Technicians – Tuberculosis

    Rutgers New Jersey Medical School – Rutgers, New Jersey, United States

    Postdoctoral Fellows – Immunology/Bioinformatics

    Boston University – Boston, Massachusetts, United States

    Postdoctoral Fellow – Breast Cancer Research

    Gunderson Health System – La Crosse, Wisconsin, United States

    > See All Jobs

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