Hematopoiesis News Volume 14.11 | Mar 21 2023

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    2023-03-21 | HN 14.11


    Hematopoiesis News by STEMCELL Technologies
    Vol. 14.11 – 21 March, 2023
    TOP STORY

    The Menin Inhibitor Revumenib in KMT2A-Rearranged or NPM1-Mutant Leukemia

    Researchers described the results of the first-in-human Phase I clinical trial investigating revumenib, a potent and selective oral inhibitor of the menin–KMT2A interaction, in patients with relapsed or refractory acute leukemia.
    [Nature]

    Full ArticlePress Release
    PUBLICATIONSRanked by the impact factor of the journal

    Single-Cell Dissection of Human Hematopoietic Reconstitution after Allogeneic Hematopoietic Stem Cell Transplantation

    Using single cell transcriptomics, scientists longitudinally profiled bone marrow and blood samples from patients with aplastic anemia undergoing allogeneic HSC transplantation with G-CSF–mobilized grafts.
    [Science Immunology]

    Full Article

    Hematopoietic Stem Cells Preferentially Traffic Misfolded Proteins to Aggresomes and Depend on Aggrephagy to Maintain Protein Homeostasis

    Investigators showed that in contrast to most cells that primarily utilize the proteasome to degrade misfolded proteins, HSCs preferentially traffic misfolded proteins to aggresomes in a Bag3-dependent manner and depend on aggrephagy, a selective form of autophagy, to maintain proteostasis in vivo.
    [Cell Stem Cell]

    Full ArticlePress ReleaseGraphical Abstract

    Targeting Pleckstrin-2/Akt Signaling Reduces Proliferation in Myeloproliferative Neoplasm Models

    Researchers revealed a Plek2/Akt complex that drove cell proliferation and could be targeted by a class of antiproliferative compounds for myeloproliferative neoplasm therapy.
    [Journal Of Clinical Investigation]

    Full ArticleGraphical Abstract

    m6A-Driven SF3B1 Translation Control Steers Splicing to Direct Genome Integrity and Leukemogenesis

    Scientists found a conserved epitranscriptomic program that steers SF3B1 levels to counteract leukemogenesis. Their analysis of human and murine pre-leukemic myelodysplastic syndrome (MDS) cells revealed regulation of SF3B1 protein abundance, which affected MDS-to-leukemia progression in vivo.
    [Molecular Cell]

    Full ArticleGraphical Abstract

    The Novel GATA1-Interacting Protein HES6 Is an Essential Transcriptional Cofactor for Human Erythropoiesis

    Through gene expression profiling, investigators found HES6 as an abundant cofactor expressed at gene level during human erythropoiesis.
    [Nucleic Acids Research]

    Full ArticleGraphical Abstract

    Myeloid Cells from Langerhans Cell Histiocytosis Patients Exhibit Increased Vesicle Trafficking and an Altered Secretome Capable of Activating NK Cells

    Scientists used an in vitro differentiation system and RNA-sequencing to compare monocyte-derived dendritic cells from Langerhans cell histiocytosis patients to those derived from healthy controls or patients with Crohn’s disease, a non-histiocytic inflammatory disease.
    [Haematologica]

    AbstractGraphical Abstract

    BCL7A Is Silenced by Hypermethylation to Promote Acute Myeloid Leukemia

    Researchers studied the switch/sugar non-fermenting subunit BCL7A, which was found to be recurrently mutated in lymphomas, but whose role in acute myeloid malignancies is currently unknown.
    [Biomarker Research]

    Full Article

    The Infusion of Ex Vivo, Interleukin-15 and -21-Activated Donor NK Cells after Haploidentical HCT in High-Risk AML and MDS Patients—a Randomized Trial

    Clinical effect of donor-derived natural killer cell infusion after HLA-haploidentical hematopoietic cell transplantation (HCT) was evaluated in high-risk myeloid malignancy in Phase II, randomized trial.
    [Leukemia]

    Full Article
    REVIEWS

    Clonal Hematopoiesis and Dysregulation of the Immune System

    The authors review the observational and mechanistic studies describing the connection between clonal hematopoiesis (CH) and pathological immune dysfunction, as well as the effects of CH-associated genetic alterations on the function of myeloid and lymphoid cells.
    [Nature Reviews Immunology]

    Abstract
    INDUSTRY AND POLICY NEWS

    Disc Medicine Announces Collaboration with National Institutes of Health for Phase II Clinical Study of Bitopertin in Patients with Diamond-Blackfan Anemia (DBA)

    Disc Medicine, Inc. announced a collaboration with the National Heart Lung and Blood Institute of the National Institutes of Health to evaluate bitopertin, a therapeutic candidate designed to modulate heme biosynthesis, in a Phase II clinical study of patients with DBA.
    [Disc Medicine, Inc.]

    Press Release
    FEATURED EVENT

    EBMT 49th Annual Meeting

    April 23 – 26, 2023
    Paris, France

    > See All Events

    JOB OPPORTUNITIES

    Postdoctoral Associate – Integrated Systems Biology of AML

    University of Florida – Gainesville, Florida, United States

    Associate Research Scientists – Cancer Genetics

    Columbia University – New York City, New York, United States

    Research Assistant – Myeloid Blood Cancers

    King’s College London – Strand, England, United Kingdom

    Postdoc Scholarship – Proteomics and Leukemia

    Lund University – Lund, Sweden

    Scientist – Cancer and Hematologic Disorders

    Dana-Farber Cancer Institute – Boston, Massachusetts, United States

    > See All Jobs

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