Hematopoiesis News Volume 13.38 | Sep 27 2022

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    2022-09-27 | HN 13.38


    Hematopoiesis News by STEMCELL Technologies
    Vol. 13.38 – 27 September, 2022
    TOP STORY

    Efficacy of JAK 1/2 Inhibition in Murine Immune Bone Marrow Failure

    After infusion of lymph node (LN) cells mismatched at the major histocompatibility complex, RUX, administered as a food additive, attenuated bone marrow hypoplasia, ameliorated peripheral blood pancytopenia, and prevented mortality, when used either prophylactically or therapeutically.
    [Blood]

    Abstract
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    A MIR17HG-derived Long Noncoding RNA Provides an Essential Chromatin Scaffold for Protein Interaction and Myeloma Growth

    Investigators used a large-scale CRISPR interference viability screen to interrogate cell growth dependency to lncRNA genes in multiple myeloma, and identified a prominent role for the miR-17-92 cluster host gene.
    [Blood]

    Abstract

    Graphdiyne Oxide Nanosheets Display Selective Anti-Leukemia Efficacy Against DNMT3A-Mutant AML Cells

    Scientists demonstrated that cell adhesion-related genes were predominantly enriched in DNMT3A-mutant AML cells and identified that graphdiyne oxide displayed an anti-leukemia effect specifically against these mutated cells.
    [Nature Communications]

    Full Article

    Sleep Exerts Lasting Effects on Hematopoietic Stem Cell Function and Diversity

    Researchers showed that sleep interruption restructures the epigenome of hematopoietic stem and progenitor cells and increased their proliferation, thus reducing hematopoietic clonal diversity through accelerated genetic drift.
    [Journal of Experimental Medicine]

    Full Article

    Splenic Red Pulp Macrophages Provide a Niche for CML Stem Cells and Induce Therapy Resistance

    Investigators demonstrated that leukemia stem cells preferentially accumulated in the spleen and contribute to disease progression.
    [Leukemia]

    Full Article

    Small Molecule SUMO Inhibition for Biomarker-Informed B Cell Lymphoma Therapy

    Researchers reported that activated MYC signaling was an actionable molecular vulnerability in vitro and in a pre-clinical murine in vivo model of MYCdriven B cell lymphoma.
    [Haematologica]

    Abstract

    ABAT Gene Expression Associated with the Sensitivity of Hypomethylating Agents in Myelodysplastic Syndrome Through CXCR4/mTOR Signaling

    It was found that ABAT gene interference increased the sensitivity of HL-60 and THP-1 cells to HMAs treatment, while ABAT overexpression decreased its sensitivity.
    [Cell Death Discovery]

    Full Article

    Genetically Modified CD7-Targeting Allogeneic CAR-T Cell Therapy with Enhanced Efficacy for Relapsed/Refractory CD7-Positive Hematological Malignancies: A Phase I Clinical Study

    The authors developed healthy donor-derived, CD7-targeting CAR-T cells with genetic modifications to resist fratricide, graft-veruss-host disease and allogeneic rejection, as well as to potentiate antitumor function.
    [Cell Research]

    AbstractPress Release

    Allogeneic Hematopoietic Cell Transplantation in Patients with Juvenile Myelomonocytic Leukemia in Korea: A Report of the Korean Pediatric Hematology-Oncology Group

    This multicenter study evaluated the characteristics, outcomes, and prognostic factors of allogeneic hematopoietic cell transplantation (HCT) in recipients with JMML who were diagnosed between 2000 and 2019 in Korea.
    [Bone Marrow Transplantation]

    Abstract
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    REVIEWS

    Protein Arginine Methyltransferase 1 in the Generation of Immune Megakaryocytes: A Perspective Review

    Bone marrow megakaryocytess are heterogeneous and can be clustered into three–four subpopulations: a subgroup that is adjacent to the hematopoietic stem cells, a subgroup expressing genes for platelet biogenesis, and a subgroup expressing immune-responsive genes.
    [Journal of Biological Chemistry]

    Full Article
    INDUSTRY AND POLICY NEWS

    ExPath Grad Student Madeline Mayday Awarded Grant from the NIDDK Cooperative Centers of Excellence in Hematology

    Madeline Mayday, a 4th Experimental Pathology graduate student was awarded a 2022 National Institute of Diabetes and Digestive and Kidney Diseases Hematology Centers Program Type B Pilot and Feasibility grant for her project: “Investigation of RBM15 and the m6A Epitranscriptome in Megakaryopoiesis.”
    [Yale School of Medicine]

    Press Release
    FEATURED EVENT

    Drug Delivery to the Brain: Challenges and Progress

    January 23 – 25, 2022
    Breckenridge, Colorado, United States

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    JOB OPPORTUNITIES

    Postdoctoral Associate – Hematopoietic Stem Cells

    Baylor College of Medicine – Houston, Texas, United States

    Assistant/Associate Professor – Division of Hematology/Oncology

    State University of New York at Stony Brook – Stony Brook, New York, United States

    Postdoctoral Researcher – Muscle, Endothelial, and Hematopoietic Cells

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

    Postdoctoral Fellow – Precision Oncology of Gastrointestinal Cancers

    Beckman Research Institute – Monrovia, California, United States

    Postdoctoral Associate – Aging Hematopoiesis

    The Jackson Laboratory – Bar Harbor, Maine, United States

    > See All Jobs

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