Volume 6.38 | Sep 29

Hematopoiesis News 6.38 September 29, 2015
Hematopoiesis News
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A Fundamental Protection Mechanism against Formalin in Mammals Is Revealed
Using mice as a model organism, researchers found that mice that lacked both the Adh5 and also Fancd2, rapidly died after birth because they could no longer produce blood. This was because endogenous formaldehyde destroyed the blood stem cells residing in the bone marrow. Bone marrow transplantation with normal mouse bone marrow prolonged the life of these genetically altered formaldehyde unprotected mice. [Press release from MRC Laboratory of Molecular Biology discussing online publication in Molecular Cell] Press Release | Full Article | Graphical Abstract
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PUBLICATIONS (Ranked by impact factor of the journal)
Hematopoietic Differentiation Is Required for Initiation of Acute Myeloid Leukemia
Using murine MLL-AF9 and MOZ-TIF2 acute myeloid leukemia models, scientists showed that myeloid differentiation to granulocyte macrophage progenitors is critical for leukemia stem cell generation. [Cell Stem Cell] Abstract | Graphical Abstract

Microbiota from Obese Mice Regulate Hematopoietic Stem Cell Differentiation by Altering the Bone Niche
Investigators showed that high-fat diet decreased long-term LinSca-1+c-Kit+ stem cells and shifted lymphoid to myeloid cell differentiation. [Cell Metab] Abstract | Graphical Abstract

NACA Deficiency Reveals the Crucial Role of Somite-Derived Stromal Cells in Hematopoietic Niche Formation
Scientists showed that the stromal cells of the caudal hematopoietic tissue, the first niche where definitive hematopoietic stem/progenitor cells home in zebrafish development, derive from the caudal somites through an epithelial-mesenchymal transition. [Nat Commun] Full Article

Interleukin-2 Critically Regulates Bone Marrow Erythropoiesis and Prevents Anemia Development
The authors showed how essential cytokines of lymphoid cells could exert critical influence on the development of erythrocytes and thus expand the understanding of the complex regulation of hematopoiesis in the bone marrow. [Eur J Immunol] Abstract

Definitive Hematopoietic Multipotent Progenitor Cells Are Transiently Generated from Hemogenic Endothelial Cells in Human Pluripotent Stem Cells
Researchers demonstrated that CD34+ CD31+ CD144+ hemato-endothelial progenitors gave rise to hematopoietic multipotent progenitor cells via hemogenic endothelial cells that exist transiently. [J Cell Physiol] Abstract

The Aryl Hydrocarbon Receptor Antagonist StemRegenin 1 Improves In Vitro Generation of Highly Functional NK Cells from CD34+ Hematopoietic Stem and Progenitor Cells
Investigators demonstrated that addition of aryl hydrocarbon receptor antagonist SR1 to their culture protocol potently enhances expansion of CD34+ hematopoietic stem and progenitor cells, and induces expression of natural killer (NK) cell associated transcription factors promoting NK cell differentiation. [Stem Cells Dev] Abstract

Regulation of the Flt3 Gene in Hematopoietic Stem and Early Progenitor Cells
The authors used the conditional deletion of the Myb gene to investigate the influence of MYB in Flt3 transcriptional regulation within the hematopoietic stem cell hierarchy. [PLoS One] Full Article

A CXCR4 Antagonist Leads to Tumor Suppression by Activation of Immune Cells in a Leukemia-Induced Microenvironment
Scientists showed that the CXCR4 antagonist, plerixafor, decreased the level of CXCR4 expression and inhibited SDF-1-induced migration of leukemic cells. [Oncol Rep] Abstract


Long-Term Outcome and Prognostic Factors of Second Allogeneic Hematopoietic Stem Cell Transplant for Acute Leukemia in Patients with a Median Follow-Up >10 Years
To estimate the long-term results of second allogeneic hematopoietic stem cell transplantation (HSCT2), the authors retrospectively analyzed the course of 286 patients receiving myeloablative HSCT2 between 1985 and 2000, with a median follow-up of 11.3 years. [Bone Marrow Transplant] Abstract

Low Dose Cyclophosphamide Effectively Mobilizes Peripheral Blood Stem Cells in Patients with Autoimmune Disease
The authors assessed the feasibility and efficacy of peripheral blood stem cells mobilization and collection in 35 patients with refractory autoimmune disease. [Eur J Haematol] Abstract

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Emerging Strategies to Enhance Homing and Engraftment of Hematopoietic Stem Cells
The authors present emerging strategies based on ex vivo manipulation of graft hematopoietic stem cells (HSCs) that are aimed at enhancing the responsiveness of HSCs to bone marrow (BM)-secreted chemoattractants and/or promoting HSC adhesion and seeding efficiency in the BM microenvironment. [Stem Cell Rev] Full Article

Visit our reviews page to see a complete list of reviews in the hematopoiesis research field.
Regen BioPharma, Inc. Director of Molecular Therapeutics to Speak at Stem Cell Conference Regarding Leukemia Research Being Conducted by the Company
Regen BioPharma, Inc. announced that Dr. Christine Ichim, Director of Molecular Therapeutics at Regen, was selected by the organizers of Stem Cell Meeting on the Mesa to speak at the conference regarding ongoing leukemia research being conducted by the company. [Press release from Regen BioPharma, Inc. (PR Newswire LLC.) discussing research to be presented at the Stem Cell Meeting on the Mesa, La Jolla] Press Release

Amgen To Present New Kyprolis® (carfilzomib) Data At 15th International Myeloma Workshop
Amgen announced the presentation of several studies evaluating Kyprolis® for injection, a next-generation proteasome inhibitor. [Press release from Amgen discussing research presented at the 15th International Myeloma Workshop (IMW), Rome] Press Release

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New York Blood Center Announces New Collaboration to Foster Groundbreaking Advancements in Regenerative Medicine
New York Blood Center and the Howard and Abby Milstein Foundation announced a further expansion of their collaborative efforts to advance the use of specialized stem cell lines in regenerative medicine. [New York Blood Center] Press Release

Amgen Receives CHMP Positive Opinions for Two New Treatment Options for Patients with Blood Cancer in Europe
Amgen announced that the Committee for Medicinal Products (CHMP) for Human Use of the European Medicines Agency adopted positive opinions recommending marketing authorization for Kyprolis® in combination with lenalidomide and dexamethasone for the treatment of adult patients with multiple myeloma and BLINCYTO® for the treatment of adults with Philadelphia chromosome-negative relapsed or refractory B-precursor acute lymphoblastic leukemia. [Amgen] Press Release
National Institutes of Health (United States)

Food and Drug Administration (United States)

Center for Biologics Evaluation and Research (United States)

European Medicines Agency (European Union)

Medicines and Healthcare Products Regulatory Agency (United Kingdom)

Therapeutic Goods Administration (Australia)
NEW AABB Annual Meeting 2015
October 24-27, 2015
Anaheim, California

NEW ESMO Asia 2015 Congress
December 18-21, 2015
Singapore, Singapore

Visit our events page to see a complete list of events in the hematopoiesis community.
NEW Postdoctoral Positions – Cancer and Developmental Biology (North Carolina Central University)

Principal Scientist – Hematopoietic Products (STEMCELL Technologies Inc.)

Assistant Professor – Stem Cell Biology (University of South Carolina)

Postdoctoral Position – Hematology and Immunology (University of Liege)

Director of Research – Oncology and Hematology (CancerCare Manitoba)

Postdoctoral Fellow – HMGA Chromatin Remodeling Proteins in Cancer and Stem Cell Biology (Johns Hopkins University School of Medicine)

Regulatory Coordinator – Leukemia (Fred Hutchinson Cancer Research Center)

Postdoctoral Fellow – Hematopoietic Regeneration and Myeloid Malignancies (Weill-Cornell Medical College)

Postdoctoral Position – Hematopoietic Stem and Progenitor Cell Assays (Weill Cornell Medical School)

Research Associate – Cell Biology (Editas Medicine)

Clinical Research Coordinator – Chronic Lymphocytic Leukemia (Fred Hutchinson Cancer Research Center)

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