Hematopoiesis News Volume 12.25 | Jun 29, 2021

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    2021-06-29 | HN 12.25


    Hematopoiesis News by STEMCELL Technologies
    Vol. 12.25 – 29 June, 2021
    TOP STORY

    Ciltacabtagene Autoleucel, a B-Cell Maturation Antigen-Directed Chimeric Antigen Receptor T-Cell Therapy in Patients with Relapsed or Refractory Multiple Myeloma (CARTITUDE-1): A Phase Ib/II Open-Label Study

    Scientists assessed the safety and clinical activity of ciltacabtagene autoleucel, a chimeric antigen receptor T-cell therapy with two B-cell maturation antigen-targeting single-domain antibodies, in patients with relapsed or refractory multiple myeloma with poor prognosis.
    [Lancet]

    AbstractPress Release

    Guide to everything you need to know about cell separation.
    PUBLICATIONSRanked by the impact factor of the journal

    The AML Microenvironment Catalyzes a Stepwise Evolution to Gilteritinib Resistance

    Researchers described the stepwise evolution of gilteritinib resistance in FLT3-mutated acute myeloid leukemia (AML). Early resistant cells underwent metabolic reprogramming, grew more slowly, and were dependent upon Aurora kinase B.
    [Cancer Cell]

    Full ArticleGraphical Abstract

    Tumor-Associated Hematopoietic Stem and Progenitor Cells Positively Linked to Glioblastoma Progression

    Investigators identified and validated the presence of hematopoietic stem and progenitor cells (HSPCs) within glioblastoma tissues, and demonstrated a positive link of tumor-associated HSPCs with malignant and immunosuppressive phenotypes.
    [Nature Communications]

    Full ArticlePress Release

    Post-Myocardial Infarction Heart Failure Dysregulates the Bone Vascular Niche

    Using single-cell RNA sequencing, the authors delineated the transcriptional heterogeneity of human bone marrow endothelium, showing increased expression of inflammatory genes, including IL1B and MYC, in ischemic heart failure.
    [Nature Communications]

    Full Article

    Predicting Genotoxicity of Viral Vectors for Stem Cell Gene Therapy Using Gene Expression-Based Machine Learning

    Researchers demonstrated that genotoxic vectors induced a unique gene expression signature linked to stemness and oncogenesis in transduced murine hematopoietic stem- and progenitor cells, and developed the Surrogate Assay for Genotoxicity Assessment.
    [Molecular Therapy]

    AbstractGraphical Abstract

    Preclinical Evaluation of Eltrombopag in a PDX Model of Myelodysplastic Syndromes

    Investigators demonstrated that their robust, patient-derived xenograft (PDX) model for myelodysplastic syndrome was applicable as a preclinical platform to address pending clinical questions by interrogating the efficacy and safety of the thrombopoietin receptor agonist eltrombopag.
    [Leukemia]

    Full Article

    Characterization of GECPAR, a Noncoding RNA That Regulates the Transcriptional Program of Diffuse Large B Cell Lymphoma

    Using diffuse large B cell lymphoma cell line models, the authors demonstrated the tumor suppressor activity of Germinal Center Proliferative Adapter RNA (GECPAR), which was mediated via its transcriptional regulation of proliferation and differentiation genes, particularly MYC and the Wnt pathways.
    [Haematologica]

    AbstractDownload Full Article

    Response and Resistance to CDK12 Inhibition in Aggressive B-Cell Lymphomas

    By implementing pharmacogenomics and a cell-based drug screen, scientists found that THZ531 led to inhibition of oncogenic transcriptional programs, especially the DNA damage response pathway, MYC target genes and the mTOR-4EBP1-MCL-1 axis, contributing to dramatic lymphoma suppression in vitro.
    [Haematologica]

    AbstractDownload Full Article

    Humanized CD19-Targeted Chimeric Antigen Receptor (CAR) T Cells in CAR-Naive and CAR-Exposed Children and Young Adults with Relapsed or Refractory Acute Lymphoblastic Leukemia

    Investigators conducted a pilot clinical trial of a humanized CD19 CAR T-cell product in children and young adults with relapsed or refractory B-cell acute lymphoblastic leukemia or B-lymphoblastic lymphoma, treated in two cohorts: with or without prior CAR exposure.
    [Journal of Clinical Oncology]

    AbstractPress Release

    Open-Label Phase II Prospective, Randomized, Controlled Study of Romyelocel-L Myeloid Progenitor Cells to Reduce Infection during Induction Chemotherapy for Acute Myeloid Leukemia

    120 patients with de novo acute myeloid leukemia received either romyelocel-L infusion on day nine with granulocyte colony-stimulating factor (G-CSF) starting daily on day fourteen (treatment group) or G-CSF daily alone on day fourteen (control) until absolute neutrophil count recovery to 500/µL.
    [Journal of Clinical Oncology]

    Abstract

    Phase I First-in-Human Dose Escalation Study of the Oral SF3B1 Modulator H3B-8800 in Myeloid Neoplasms

    Researchers conducted a Phase I clinical trial of H3B-8800, an oral small molecule that bound Splicing Factor 3B1 (SF3B1), in patients with myelodysplastic syndromes, chronic myelomonocytic leukemia, or acute myeloid leukemia.
    [Leukemia]

    Full Article

    Posttransplant Cyclophosphamide as GVHD Prophylaxis for Peripheral Blood Stem Cell HLA-Mismatched Unrelated Donor Transplant

    Scientists enrolled 38 patients with hematologic malignancies scheduled to undergo MMUD-HCT onto one of two conditioning strata: myeloablative using fludarabine and fractionated total body irradiation or reduced-intensity with fludarabine/melphalan.
    [Blood Advances]

    Full Article
    Graphical Abstract

    Zanubrutinib for the Treatment of Relapsed or Refractory Mantle Cell Lymphoma

    Zanubrutinib, a highly selective Bruton tyrosine kinase inhibitor, was evaluated in a Phase I/II study in patients with various B-cell malignancies. Zanubrutinib was well tolerated and demonstrated activity in patients with relapsed/refractory mantle cell lymphoma.
    [Blood Advances]

    Full Article
    Graphical Abstract


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    REVIEWS

    Splicing Factor Mutations in Hematologic Malignancies

    The authors review the molecular effects of splicing factor mutations on splicing, mechanisms by which these mutations drive clonal transformation of hematopoietic cells, and the development of new therapeutics targeting these genetic subsets of hematopoietic malignancies.
    [Blood]

    Abstract

    Cohesin Mutations in Myeloid Malignancies

    Scientists review the role of the cohesin complex in healthy and malignant hematopoiesis and discuss clinical implications of cohesin mutations in myeloid malignancies and opportunities for therapeutic targeting.
    [Blood]

    Abstract

    Increasing Recognition and Emerging Therapies Argue for Dedicated Clinical Trials in Chronic Myelomonocytic Leukemia

    Investigators discuss recent therapeutic advances and innovative treatment strategies in chronic myelomonocytic leukemia (CMML), including global and molecularly targeted approaches, and discuss what may help to make progress in the design of rationally derived and disease-modifying therapies for CMML.
    [Leukemia]

    Full Article

    INDUSTRY AND POLICY NEWS

    Imara Announces Recipients of the Second Annual Real Impact Grants Program to Support People Affected by Rare Genetic Blood Disorders

    Imara, Inc. announced the grant recipients of its second annual Real Impact community support initiative. This program, which includes grant funding to support nonprofit, community-based organizations (CBOs) serving patients and families impacted by sickle cell disease and beta-thalassemia, awarded 30 grants to CBOs in 16 states totaling $150,000.
    [Imara, Inc.]

    Press Release

    HUYABIO Internationalâ„¢ Receives Regulatory Approval for HBI-8000 Monotherapy of Adult T-Cell Leukemia/Lymphoma in Japan

    HUYABIO Internationalâ„¢ announced the regulatory approval for HBI-8000 monotherapy of relapsed or refractory adult T-cell leukemia/lymphoma (ATL) by the Japanese Pharmaceuticals and Medical Devices Agency. The drug was approved based on data from a Phase IIb study that involved 23 patients with aggressive ATL in Japan.
    [HUYABIO Internationalâ„¢]

    Press Release

    BioCardia® Announces Fourth Positive DSMB Review and Recommendation to Continue Phase III Pivotal CardiAMP Cell Therapy Heart Failure Study as Designed

    BioCardia®, Inc. announced that the independent Data Safety Monitoring Board has completed its prespecified data review for the Phase III pivotal CardiAMP™ Cell Therapy Heart Failure Trial. CardiAMP cell therapy uses a patient’s autologous bone marrow cells delivered to the heart in a minimally-invasive procedure.
    [BioCardia®, Inc.]

    Press Release

    I-Mab Announces China NMPA Approval for Phase Ib Trial of Felzartamab in Systemic Lupus Erythematosus

    I-Mab Biopharma Co., Ltd. announced that the Center for Drug Evaluation of the China National Medical Products Administration (NMPA) has approved the Investigational New Drug application to initiate a phase Ib trial of felzartamab, a CD38 antibody, in patients with systemic lupus erythematosus.
    [I-Mab Biopharma Co., Ltd.]

    Press Release

    FEATURED EVENT

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    October 15, 2021
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    JOB OPPORTUNITIES

    PhD Students – Targeted Leukemia Prevention

    Heinrich Heine University Düsseldorf – Düsseldorf, Germany

    Senior Scientist – iPSC Director, Hematopoiesis and Blood Diseases

    St. Jude Children’s Research Hospital – Memphis, Tennessee, United States

    Postdoctoral Scientist – Hematology

    Cyprus Cancer Research Institute – Nicosia, Cyprus

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    Institute of Oncology Research – Bellinzona, Switzerland

    Associate Professor – Blood Cancer

    University of Wisconsin Madison – Madison, Wisconsin, United States

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