Cell Therapy News Volume 24.32 | Sep 25 2023

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    2023-09-25 | CTN 24.33


    Cell Therapy News by STEMCELL Technologies
    Vol. 24.32 – 25 September, 2023
    TOP STORY

    Suppression of Cytokine Release Syndrome During CAR-T-Cell Therapy via a Subcutaneously Injected Interleukin-6-Adsorbing Hydrogel

    Temperature-sensitive hydrogel conjugated with antibodies for the pro-inflammatory cytokine interleukin-6 and subcutaneously injected before the infusion of CAR-T cells substantially reduced the levels of IL-6 during cytokine release syndrome while maintaining the therapy’s antitumor efficacy.
    [Nature Biomedical Engineering]

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

    Scientists investigated how CAR T cell expansion dynamics and serum proteomics affected neutrophil recovery phenotypes after CD19-directed CAR T cell therapy.
    [Science Advances]

    Full Article

    Analysis of 60 Patients with Relapsed or Refractory T-Cell Acute Lymphoblastic Leukemia and T-Cell Lymphoblastic Lymphoma Treated with CD7-Targeted Chimeric Antigen Receptor-T Cell Therapy

    In this Phase I/II clinical trial, 65 pediatric and adult patients with refractory/relapsed T cell acute lymphoblastic leukemia and lymphoblastic lymphoma were enrolled.
    [American Journal Of Hematology]

    Abstract

    Bone Marrow Fibrosis Is Associated with Non-Response to CD19 CAR T-Cell Therapy in B-acute Lymphoblastic Leukemia

    Scientists performed whole transcriptome analysis, reticulin fibrosis assessment, and CD3 T-cell infiltration on bone marrow core biopsies from pre- and post-CAR timepoints for 61 patients, as well as on a cohort of 54 primary B-acute lymphoblastic leukemia samples.
    [American Journal Of Hematology]

    Abstract

    A Novel CAR-T Cell Product Targeting CD74 Is an Effective Therapeutic Approach in Preclinical Mantle Cell Lymphoma Models

    Investigators explored whether targeting CD74 using a CAR-T cell would provide potent and durable anti-mantle cell lymphoma activity. They engineered a second generation anti-CD74 CAR with 4-1BB and CD3ζ signaling domains.
    [Experimental Hematology & Oncology]

    Full Article

    The Application of HER2 and CD47 CAR-Macrophage in Ovarian Cancer

    Researchers investigated the therapeutic application of CAR-macrophages in ovarian cancer. They constructed novel CAR structures, which consisted of humanized anti-HER2 or CD47 scFv, CD8 hinge region, and transmembrane domains, as well as the 4-1BB and CD3ζ intracellular domains.
    [Journal Of Translational Medicine]

    Full Article

    Thiotepa-Busulfan-Fludarabine Compared to Treosulfan-Based Conditioning for Haploidentical Transplant with Posttransplant Cyclophosphamide in Patients with Acute Myeloid Leukemia in Remission: A Study from the Acute Leukemia Working Party of the EBMT

    Investigators conducted a registry analysis including adult acute myeloid leukemia (AML) patients in remission who had received thiotepa, busulfan, and fludarabine or treosulfan-basedconditioning for haplo-hematopoietic stem cell transplant with posttransplant cyclophosphamide between 2010 and 2020.
    [Hemasphere]

    Full ArticleGraphical Abstract

    Effect of Once Versus Twice Intracoronary Injection of Allogeneic-Derived Mesenchymal Stromal Cells after Acute Myocardial Infarction: BOOSTER-TAHA7 Randomized Clinical Trial

    Scientists compared the effects of single versus double transplantation of Wharton’s jelly mesenchymal stromal cells on left ventricular ejection fraction post-acute myocardial infarction.
    [Stem Cell Research & Therapy]

    Full Article

    The Inducible Secreting TLR5 Agonist, CBLB502, Enhances the Anti-Tumor Activity of CAR133-NK92 Cells in Colorectal Cancer

    Investigators engineered CAR133-i502-NK92 cells and demonstrated that those cells displayed enhanced proliferation and specific anti-tumor activities in vitro and in a xenogeneic mouse model, and were well-tolerated.
    [Cancer Biology & Medicine]

    Full Article
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    REVIEWS

    Chimeric Antigen Receptor Therapy Meets mRNA Technology

    The authors summarize recent advances in mRNA-based CAR immunotherapies and highlight their opportunities and challenges for the development of a new generation of living drugs.
    [Trends In Biotechnology]

    Abstract
    INDUSTRY AND POLICY NEWS

    Super-precise CRISPR Tool Enters US Clinical Trials for the First Time

    Base editing, which makes specific changes to a cell’s genome, is put to the test in CAR-T-cell treatments for leukemia. The first participant had been treated using immune cells with four base-edited genes, equipping the cells to better target and destroy tumors.
    [Nature]

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    JOB OPPORTUNITIES

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