Human Immunology News Volume 8.48 | Dec 8 2020

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    HIN 8.48 | Dec 8 2020


    Human Immunology News by STEMCELL Technologies
    Vol. 8.48 – 8 December, 2020
    TOP STORY

    Shared
    Immunogenic Poly-Epitope Frameshift Mutations in Microsatellite Unstable Tumors

    Scientists confirmed the immunogenicity of frameshift peptides in T cell stimulation experiments using blood mononuclear cells isolated from both healthy donors and microsatellite instability-high cancer patients.
    [Cell]

    AbstractGraphical Abstract

    Use ImmunoCultâ„¢ to differentiate mouse CD4+ cells to Tregs.
    PUBLICATIONSRanked by the impact factor of the journal

    Genome-Wide
    Screens Identify Lineage- and Tumor-Specific Genes Modulating MHC-I- and MHC-II-Restricted Immunosurveillance of Human Lymphomas

    To identify the global regulatory networks controlling antigen presentation, researchers employed genome-wide screening in human diffuse large B cell lymphomas.
    [Immunity]

    AbstractGraphical Abstract

    Synthesis
    and Use of an Amphiphilic Dendrimer for siRNA Delivery Into Primary Immune Cells

    Scientists provided a protocol for the synthesis of the amphiphilic dendrimer, as well as siRNA delivery to immune cells such as primary T and B cells, natural killer cells, macrophages, and primary microglia.
    [Nature Protocols]

    Abstract

    Immune Suppressive Landscape in the Human Esophageal Squamous Cell Carcinoma Microenvironment

    Investigators obtained a detailed immune cell atlas of esophageal squamous cell carcinoma at single-cell resolution. Exhausted T and NK cells, regulatory T cells, alternatively activated macrophages and tolerogenic dendritic cells were dominant in the tumor microenvironment.
    [Nature Communications]

    Full Article

    Composition,
    Spatial Characteristics, and Prognostic Significance of Myeloid Cell Infiltration in Pancreatic Cancer

    To generate spatially-resolved tumor and immune cell data at single cell resolution, the authors developed two quantitative multiplex immunofluorescence assays to interrogate myeloid cells and macrophages in the pancreatic ductal carcinoma tumor microenvironment.
    [Clinical Cancer Research]

    Abstract

    The
    Master Regulator Protein BAZ2B Can Reprogram Human Hematopoietic Lineage-Committed Progenitors into a Multipotent State

    Human mRNA transcript profiling at multiple time points permited the tracking of the reprogramming of B cell nuclei to a multipotent state. Interrogation of a human B cell regulatory network with gene expression signatures identified eight candidate master regulator proteins.
    [Cell Reports]

    Full ArticleGraphical Abstract

    Immune Imitation of Tumor Progression after Anti-CD19 Chimeric Antigen Receptor T Cells Treatment in Aggressive B-Cell Lymphoma

    Scientists present three patients with aggressive non-Hodgkin’s B-cell lymphoma who received anti-CD19 chimeric antigen receptor T cells therapy after failure of several lines of chemotherapy that developed pseudo-progression.
    [Bone Marrow Transplantation]

    Abstract

    Clinical Effects of Administering Leukemia-Specific Donor T Cells to Patients with AML/MDS Post-Allogeneic Transplant.

    Investigators selectively activated and expanded stem-cell donor-derived T cells that were reactive to multiple antigens expressed by acute myeloid leukemia/myelodysplastic syndrome cells
    [Blood]

    Abstract

    Stem Cell Characteristics Promote Aggressiveness of Diffuse Large B-Cell Lymphoma

    Functional studies with gene-overexpressed and gene-silenced DLBCL cell lines showed that expression of NANOG and HOXA9 promoted cell viability and inhibited apoptosis through suppression of G2 arrest in vitro and enhanced tumor formation and hepatosplenic infiltration in a tail-vein-injected mouse model.
    [Scientific Reports]

    Full Article

    Common and Personal Target Genes of the Micronutrient Vitamin D in Primary Immune Cells From Human Peripheral Blood

    Researchers treated peripheral blood mononuclear cells of healthy adults with the biologically active form of vitamin D3, 1α,25-dihydroxyvitamin D3 using two different approaches and personalized analysis based on triplicates of five study participants.
    [Scientific Reports]

    Full Article

    Resources for Your T Cell Therapy Research
    REVIEWS

    Allergic Rhinitis

    Allergic rhinitis (AR) is caused by immunoglobulin E-mediated reactions to inhaled allergens and is one of the most common chronic conditions globally. AR often co-occurs with asthma and conjunctivitis and is a global health problem causing major burden and disability worldwide.
    [Nature Reviews Disease Primers]

    Full Article

    Tolerogenic
    Dendritic Cells in Autoimmunity and Inflammatory Diseases

    Scientists provide a wide perspective on the regulatory mechanisms, including crosstalk with other cell types, downstream signaling pathways, transcription factors, and epigenetics, underlying the acquisition of tolerogenesis by dendritic cells, with a special focus on human studies.
    [Trends in Immunology]

    Abstract

    The
    Glycosphingolipid GD2 as an Effective but Enigmatic Target of Passive Immunotherapy in Children with Aggressive Neuroblastoma (HR-NBL)

    By reviewing the different biological and molecular aspects of neuroblastoma and anti-GD2 antibodies (GD2-IMT), the author questions the present lack of association between GD2-IMT and the underlying molecular landscape.
    [Cancer Letters]

    Abstract

    INDUSTRY AND POLICY NEWS

    Turnstone Biologics Announces First Patients Enrolled in Phase I/II Clinical Trial Evaluating RIVAL-01 for the Treatment of Solid Tumors

    Turnstone Biologics Corp., have enrolled the first patients in a Phase I/IIa clinical trial of its RIVAL-01/TAK-605 candidate in patients with solid tumors, conducted in collaboration with Takeda Pharmaceutical Company Limited. RIVAL-01 consists of Turnstone’s proprietary oncolytic vaccinia virus backbone encoding transgenes for Flt3 ligand, anti-CTLA-4 antibody and IL-12 cytokine, purposefully designed to work together to drive immune activity and re-program the microenvironment to be best suited for tumor eradication.
    [Turnstone Biologics Corp. (Businesswire, Inc.)]

    Press Release

    Janssen Submits Application to US FDA Seeking Approval of Amivantamab for the Treatment of Patients with Metastatic Non-Small Cell Lung Cancer with EGFR Exon 20 Insertion Mutations

    The Janssen Pharmaceutical Companies of Johnson & Johnson announced the submission of a Biologics License Application to the FDA seeking approval of amivantamab for the treatment of patients with metastatic non-small cell lung cancer with epidermal growth factor receptor exon 20 insertion mutations whose disease has progressed on or after platinum-based chemotherapy.
    [Janssen, LLC]

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