Human Immunology News Volume 8.49 | Dec 15 2020

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    HIN 8.49 | Dec 15 2020


    Human Immunology News by STEMCELL Technologies
    Vol. 8.49 – 15 December, 2020
    TOP STORY

    Stem-Like
    CD8 T Cells Mediate Response of Adoptive Cell Immunotherapy against Human Cancer

    Using high-dimensional analysis of human adoptive T cell therapy products, scientists identified a memory-progenitor CD39-negative stem-like phenotype associated with complete cancer regression and tumor-infiltrating lymphocyte (TIL) persistence and a terminally differentiated CD39-positive state associated with poor TIL persistence.
    [Science]

    AbstractPress Release

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    PUBLICATIONSRanked by the impact factor of the journal

    The Identity of Human Tissue-Emigrant CD8+ T Cells

    Researchers used an integrated approach to characterize tissue-emigrant lineages in thoracic duct lymph. The most prevalent immune cells in human and non-human primate efferent lymph were T cells.
    [Cell]

    AbstractGraphical Abstract

    Human
    Lung Resident Macrophages Co-Localize with and Provide Co-Stimulation to PD1hi Tissue Resident Memory T Cells

    Tissue resident memory T cells and lung resident macrophages were isolated using ex vivo lung perfusion and intra-perfusate labeled CD45 antibody.
    [American Journal of Respiratory and Critical Care Medicine]

    Abstract

    Tumor
    Derived UBR5 Promotes Ovarian Cancer Growth and Metastasis through Inducing Immunosuppressive Macrophages

    The authors demonstrated that tumor-derived UBR5, an E3 ligase overexpressed in human ovarian cancer (OC) associated with poor prognosis, was essential for OC progression principally by promoting tumor-associated macrophage recruitment and activation via key chemokines and cytokines.
    [Nature Communications]

    Full Article

    D-Mannose Suppresses Macrophage IL-1β Production

    Scientists showed that D-mannose suppresses LPS-induced macrophage activation by impairing IL-1β production. In vivo, mannose administration improved survival in a mouse model of LPS-induced endotoxemia as well as decreased progression in a mouse model of DSS-induced colitis.
    [Nature Communications]

    Full Article

    Regulation
    of PD-L1 Expression Is a Novel Facet of Cyclic-AMP-Mediated Immunosuppression

    Using normal and malignant lymphocytes from humans, and the phosphodiesterase 4b knockout mouse, investigators found that cAMP induced PD-L1 transcription and protein expression.
    [Leukemia]

    Abstract

    Immunohistochemical
    Detection of PAX-FOXO1 Fusion Proteins in Alveolar Rhabdomyosarcoma Using Breakpoint Specific Monoclonal Antibodies

    Researchers developed specific monoclonal antibodies directed to the junction region on the PAX3-FOXO1 fusion protein. Two monoclonal antibodies, PFM.1 and PFM.2, were developed and able to immunoprecipitate in vitro-translated PAX3-FOXO1 and cellular PAX3-FOXO1 from FP-RMS cells.
    [Modern Pathology]

    Abstract

    Identification
    of Regulatory T Cell Molecules Associated with Severity of Multiple Sclerosis

    Scientists determined whether the expression of functionally relevant TGF-β-regulated molecules was altered in Tregs from patients with multiple sclerosis.
    [Multiple Sclerosis Journal]

    Abstract

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    REVIEWS

    Persistent
    Inflammatory and Non-Inflammatory Mechanisms in Refractory Rheumatoid Arthritis

    The authors outline the clinical differences between persistent inflammatory refractory rheumatoid arthritis (PIRRA) and non-inflammatory refractory rheumatoid arthritis, the genetic and epigenetic mechanisms and immune pathways that might contribute to the immunopathogenesis of recalcitrant synovitis in PIRRA.
    [Nature Reviews Rheumatology]

    Abstract

    Genetic and Epigenetic Determinants of Diffuse Large B-Cell Lymphoma

    One of the major insights produced by researching the molecular origins and mechanisms of diffuse large B-cell lymphoma (DLBCL) is that DLBCL almost always stems from genetic damage that occurs during the germinal center reaction, which is required for the production of high-affinity antibodies.
    [Blood Cancer Journal]

    Full Article

    Emerging Immunotherapies for Metastasis

    Scientists discuss results from experimental model systems demonstrating that modulating the immune response can negatively affect metastasis formation.
    [British Journal of Cancer]

    AbstractGraphical Abstract

    INDUSTRY AND POLICY NEWS

    Cabaletta Bio Announces First Patient Dosed in Landmark DesCAARTesâ„¢ Trial of DSG3-CAART for Treatment of Mucosal-Dominant Pemphigus Vulgaris

    Cabaletta Bio, Inc. announced that the first patient has been dosed in the DesCAARTesâ„¢ Phase I clinical trial of DSG3-CAART for the treatment of patients with mucosal-dominant pemphigus vulgaris.
    [Cabaletta Bio, Inc. (GlobeNewswire, Inc.)]

    Press Release

    Fate
    Therapeutics Reports Positive Interim Data from its Phase I Study of FT516 in Combination with Rituximab for B-Cell Lymphoma

    Fate Therapeutics, Inc. announced positive interim data from their dose escalation Phase I study of FT516 in combination with rituximab for patients with relapsed/refractory B-cell lymphoma.
    [Fate Therapeutics, Inc.]

    Press Release

    Arbutus
    Announces Robust HBsAg Decline Data with AB-729 Dosed at 60 mg Every Eight Weeks in Chronic Hepatitis B Subjects

    Arbutus Biopharma Corporation announced additional clinical data from an ongoing Phase Ia/Ib clinical trial with AB-729, its proprietary GalNAc delivered RNA interference compound.
    [Arbutus Biopharma Corporation]

    Press Release

    FEATURED EVENT

    CRISPR in Drug Discovery: From Targets to Therapeutics

    March 23 – 24, 2021
    Virtual


    > See All Events

    JOB OPPORTUNITIES

    Postdoctoral
    Research – Innate Immunity & Endothelial Permeability

    UIC Anesthesiology – Chicago, Illinois, United States

    Research
    Associate / Assistant – Immuno-Oncology

    Scripps Research Institute – La Jolla, California, United States

    Lab Coordinator – Breast Cancer Immunology

    Salk Institute of Biological Studies – La Jolla, California, United States


    Postdoctoral Research Fellow – Immunotherapy

    Fred Hutchinson Cancer Research Center – Seattle, Washington, United States

    Postdoctoral Scholar Position – Immunology and Synthetic Biology

    University of California Irvine – Irvine, California, United States

    > See All Jobs

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