Haematopoietic stem cells articles within Nature Communications

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  • Article
    | Open Access

    Ionizing radiation and chemotherapy deplete haematopoietic stem cells and damage the vascular niche. Here the authors show that irradiation induces SEMA3A secretion from bone marrow endothelial cells (ECs), inducing EC apoptosis via NRP1 and that NRP1 inhibition promotes vascular regeneration and R spondin 2 dependent hematopoietic regeneration.

    • Christina M. Termini
    • , Amara Pang
    •  & John P. Chute

  • Article
    | Open Access

    The molecular mechanisms that drive hematopoietic stem cell functional decline under conditions of telomere shortening are not completely understood. Here the authors demonstrate that hematopoietic stem cells with short telomeres induced by mutations affecting telomerase complex genes undergo differentiation towards megakaryopoiesis through the activation of the IFI16-mediated interferon response.

    • Natthakan Thongon
    • , Feiyang Ma
    •  & Simona Colla

  • Article
    | Open Access

    Lineage differentiation and commitment is driven by transcription regulators and chromatin changes. Here the authors report daily profiling of chromatin accessibility and transcriptome changes during human erythropoiesis, relating these changes to lineage potential between erythropoiesis and megakaryopoieis.

    • Grigorios Georgolopoulos
    • , Nikoletta Psatha
    •  & Jeff Vierstra

  • Article
    | Open Access

    BRAF-MAPK activating mutations are reported in histiocytoses—hematological neoplasms with widespread pro-inflammatory myeloid cells. Here, the authors show that an activating mutant BRAF in haematopoietic stem and progenitor cells causes an oncogene-induced senescence response leading to myeloid restricted haematopoiesis, inflammation and histiocytosis.

    • Riccardo Biavasco
    • , Emanuele Lettera
    •  & Eugenio Montini

  • Article
    | Open Access

    Reactive oxygen species (ROS) are metabolic by-products which in excess can be toxic for hematopoietic stem and progenitor cells (HSPCs). Here the authors show that toxic ROS are transferred by expanding HSPCs to the zebrafish developmental niche via connexin Cx41.8, where Ifi30 promotes their detoxification.

    • Pietro Cacialli
    • , Christopher B. Mahony
    •  & Julien Y. Bertrand

  • Article
    | Open Access

    Globin loci harbor genes that are expressed embryonically and silenced postnatally. Here the authors show that zeta-globin silencing depends upon selective hypoacetylation of its TAD subdomain, which blocks its interaction with the alpha-globin super-enhancer, and zeta-globin can be reactivated by acetylation.

    • Andrew J. King
    • , Duantida Songdej
    •  & Christian Babbs

  • Article
    | Open Access

    Bone marrow chimaeric mice are a valuable tool in research, but require myeloablative conditioning. Here the authors demonstrate efficient FACS-free enrichment of haematopoietic stem and progenitor cells for transplantation into unconditioned recipient mice, as well as for genetic engineering using polyvinyl alcohol based media.

    • Kiyosumi Ochi
    • , Maiko Morita
    •  & Satoshi Yamazaki

  • Article
    | Open Access

    Haematopoietic stem cells (HSCs) are metabolically quiescent, with balanced myeloid and lymphoid potential. Here the authors show that MAEA is required in HSCs for ubiquitination and downregulation of surface cytokine receptors via autophagy; MAEA loss leads to impaired HSC quiescence and a myeloproliferative disorder.

    • Qiaozhi Wei
    • , Sandra Pinho
    •  & Paul S. Frenette

  • Article
    | Open Access

    Long term haematopoitic stem cells (LT-HSCs) are in a quiescent state during homeostasis, which is critical for their maintenance. Here, the authors show that Gal-3 expression in LT-HSCs is induced in response to Tie2 and Mpl and is both necessary and sufficient for LT-HSC quiescence through regulation of p21.

    • Weizhen Jia
    • , Lingyu Kong
    •  & Nobuyuki Takakura

  • Article
    | Open Access

    ASXL1 mutations are frequently found in age-related clonal haemaotopoiesis (CH), but how they drive CH is unclear. Here the authors show that expression of C-terminal truncated ASXL1 in haematopoietic stem cells (HSCs) leads to Akt de-ubiquitination, activated Akt/mTOR signaling, and aberrant HSC proliferation.

    • Takeshi Fujino
    • , Susumu Goyama
    •  & Toshio Kitamura

  • Article
    | Open Access

    Gene therapy (GT) using haematopoietic stem cells (HSCs) provides an opportunity to trace cell fates in humans, in vivo. Here the authors present evidence in GT patients for a long term lymphoid progenitor population, surviving and maintaining de novo T and NK cell production for years, independently from HSCs.

    • Natalia Izotova
    • , Christine Rivat
    •  & Luca Biasco

  • Article
    | Open Access

    ATAC-seq measures chromatin accessibility as a proxy for the activity of DNA regulatory regions across the genome. Here the authors present AtacWorks, a deep learning tool to denoise and identify accessible chromatin regions from low cell count, low-coverage, or low-quality ATAC-seq data.

    • Avantika Lal
    • , Zachary D. Chiang
    •  & Jason D. Buenrostro

  • Article
    | Open Access

    Mutations in ENT3, encoded by SLC29A3, result in anaemia and erythroid hypoplasia, suggesting roles in erythropoiesis. Here the authors show that ENT3 acts as a lysosomal bile acid transporter, and mutation compromises taurine conjugated bile acid transport in erythroid progenitors leading to ER stress, and anaemia.

    • Avinash K. Persaud
    • , Sreenath Nair
    •  & Rajgopal Govindarajan

  • Article
    | Open Access

    Regulation of self-renewal is critical during steady state and stress in haematpoietic stem cells (HSCs), and underlies leukaemia pathology. Here, the authors show that LIGHT and its receptor LTβR promote quiescence and self-renewal of HSCs and that LTβR deficiency promotes survival in a mouse leukaemia model.

    • S. S. Höpner
    • , Ana Raykova
    •  & A. F. Ochsenbein

  • Article
    | Open Access

    Haematopoietic stem cells (HSCs) are characterized by their self-renewal potential and associated dormancy. Here the authors show that niche produced netrin-1 preserves HSC quiescence and self-renewal via neogenin-1, and that decline of netrin-1 production during ageing leads to decreased Neo1 mediated HSC self-renewal.

    • Simon Renders
    • , Arthur Flohr Svendsen
    •  & Andreas Trumpp

  • Article
    | Open Access

    Genetic barcoding has been used to track clonal dynamics of cells. Here, the authors develop a Tracking Recombination Alleles in Clonal Engraftment using sequencing (TRACE-Seq), to barcode repaired alleles by introducing silent mutations or outside of coding regions, to show clonal complexity of edited CD34 + cells following engraftment.

    • Rajiv Sharma
    • , Daniel P. Dever
    •  & Ravindra Majeti

  • Article
    | Open Access

    T-cell immunotherapies, such as CAR-T immunotherapy, are being developed against a wide variety of diseases. Here the authors report the feeder-free, scalable differentiation of human induced pluripotent cells (iPSCs) to T-cells with T-cell receptor dependent anti-tumour function in vitro and in vivo.

    • Shoichi Iriguchi
    • , Yutaka Yasui
    •  & Shin Kaneko

  • Article
    | Open Access

    How the Drosophila lymph gland hemocytes develop and are regulated at a single-cell level is unclear. Here, the authors use single-cell RNA sequencing to show heterogeneity of developing hemocytes in the lymph gland and how they react to wasp infestation, and compare hemocytes from two independent origins.

    • Bumsik Cho
    • , Sang-Ho Yoon
    •  & Jiwon Shim

  • Article
    | Open Access

    Ageing of the haematopoietic system is accompanied by declining erythropoiesis and lymphopoiesis. Here the authors uncover upregulated IL-6 and TGFβ signalling in aged bone marrow stroma; inhibition of these signals reverses age-related haematopoietic defects, re-balancing haematopoietic stem cell lineage output.

    • Simona Valletta
    • , Alexander Thomas
    •  & Claus Nerlov

  • Article
    | Open Access

    Spinal cord injury (SCI) often leads to immune dysfunction, but mechanistic insights are still lacking. Here the authors show that SCI alters chemokine signaling and induces long, persisting defects in hematopoietic stem and progenitor cell migration, thereby entrapping them in the bone marrow and disrupting peripheral immune homeostasis.

    • Randall S. Carpenter
    • , Jessica M. Marbourg
    •  & Phillip G. Popovich

  • Article
    | Open Access

    Classical human dendritic cells (cDCs) are rare sentinel cells specialized in regulating adaptive immunity. Here, the authors show that expression of membrane bound FLT3L, along with stem cell factor (SCF) and CXCL12 in stromal cells induces specification of pre/AS-DCs, type 1 and type2 cDC from haematopoietic stem cells.

    • Giorgio Anselmi
    • , Kristine Vaivode
    •  & Pierre Guermonprez

  • Article
    | Open Access

    The identification of mRNA targets for RNA binding proteins (RBP) in stem cells is difficult due to the limited number of available cells. Here, as a proof-of-principle, the authors adapt the HyperTRIBE method to find that an RBP, MSI2, has increased RNA binding in leukemic compared with normal stem cells for selective regulation of oncogenic genes.

    • Diu T. T. Nguyen
    • , Yuheng Lu
    •  & Michael G. Kharas

  • Article
    | Open Access

    Chromatin accessibility is a key mediator of gene expression and mutations in chromatin modifiers are frequently seen in cancers. Here, the authors show that the chromatin accessibility regulator HMGN1 - which is frequently mutated by amplification in leukemias - acts by blocking myeloid differentiation.

    • Lucia Cabal-Hierro
    • , Peter van Galen
    •  & Andrew A. Lane

  • Article
    | Open Access

    Myelosuppressive injuries lead to chronic MAPK activation and impair blood reconstitution. Here, the authors show that chronic activation endothelial MAPK impairs hematopoietic stem cell (HSC) function through NFkB signaling, and that post-myelosuppressive HSC defects can be reversed by administration of Stem Cell Growth Factor SCGFa.

    • Pradeep Ramalingam
    • , Michael G. Poulos
    •  & Jason M. Butler

  • Article
    | Open Access

    The endothelial to haematopoietic transition (EHT) is the process where haemogenic endothelium differentiates into haematopoietic stem and progenitor cells (HSPCs). Here the authors use single cell transcriptomics and antibody screening to identify CD44 as a marker of EHT that is required for EHT and HSPC development.

    • Morgan Oatley
    • , Özge Vargel Bölükbası
    •  & Christophe Lancrin

  • Article
    | Open Access

    Ageing is associated with clonal hematopoiesis of indeterminate potential (CHIP), which is linked to increased risks of hematological malignancies. Here the authors uncover an epigenetic mechanism through which mutant p53 drives clonal hematopoiesis through interaction with EZH2.

    • Sisi Chen
    • , Qiang Wang
    •  & Yan Liu

  • Article
    | Open Access

    Immune cells contribute to the aortic wall destruction during abdominal aortic aneurysm (AAA) development. Here, Peshkova et al. show that cytokine signaling through interleukin-27 receptor is required for Angiotensin II-induced myelopoiesis and mature myeloid cells production, thus contributing to their aortic accumulation and aneurysm progression

    • Iuliia O. Peshkova
    • , Turan Aghayev
    •  & Ekaterina K. Koltsova

  • Article
    | Open Access

    Previous gene editing in haematopoietic stem cells (HSCs) has focussed on a heterogeneous CD34+ population. Here, the authors demonstrate high efficiency CRISPR/Cas9-based editing of purified long-term HSCs using non-homologous end joining and homology-directed repair, by directing isoform-specific expression of GATA1.

    • Elvin Wagenblast
    • , Maria Azkanaz
    •  & Eric R. Lechman

  • Article
    | Open Access

    Vectors used in gene therapy for hemoglobin disorders carry globin in a reverse-orientation to prevent the loss of key regulatory elements by RNA splicing, but this limits their efficiency. Here, the authors develop a vector carrying β-globin in a forward orientation and show that it has improved titers and transduction efficiency in humanized mice and nonhuman primates.

    • Naoya Uchida
    • , Matthew M. Hsieh
    •  & John F. Tisdale

  • Article
    | Open Access

    Protein tyrosine phosphatase sigma (PTPσ) deficient haematopoietic stem cells (HSCs) demonstrate increased engraftment following transplantation. Here the authors identify a small molecule inhibitor of PTPσ that promotes murine and human haematopoietic stem cell regeneration via induction of the RAC pathway and BCL-XL.

    • Yurun Zhang
    • , Martina Roos
    •  & John P. Chute

  • Article
    | Open Access

    HSCs emerge from haemogenic endothelium (HE) in the dorsal aorta but whether these tissues share a common lineage is unclear. Here, the authors use a zebrafish runx1 reporter to show that HE maintains an arterial gene expression profile in the absence of Runx1, suggesting the aortic endothelium as a precursor of HE.

    • Florian Bonkhofer
    • , Rossella Rispoli
    •  & Roger Patient

  • Article
    | Open Access

    Mobilization of hematopoietic stem and progenitor cells (HSPCs) into the circulation is essential for maintaining homeostasis. Here, the authors show that Phc2 in bone marrow stromal cells represses the cell adhesion molecule Vcam1 and facilitates mobilization of HSPCs through regulation of epigenetic marks.

    • Joonbeom Bae
    • , Sang-Pil Choi
    •  & Taehoon Chun

  • Article
    | Open Access

    Mutations in equilibrative nucleoside transporter 3 (ENT3), encoded by SLC29A3, cause a spectrum of human genetic disorders. Here, the authors show altered haematopoietic stem cell and mesenchymal stem cell fates in ENT3-deficient mice, due to misregulation of the AMPK-mTOR-ULK axis.

    • Sreenath Nair
    • , Anne M. Strohecker
    •  & Rajgopal Govindarajan

  • Article
    | Open Access

    Human Hematopoietic stem and progenitor cells (HSPCs) are commonly defined by CD34 expression. Here, the authors map single-cell RNA states both inside and outside the CD34 compartment, uncovering previously unappreciated branchpoints and validating CD164 as an efficient marker for early HSPCs.

    • Danilo Pellin
    • , Mariana Loperfido
    •  & Luca Biasco

  • Article
    | Open Access

    Gene correction in hematopoietic stem cells could be a powerful way to treat monogenic diseases of the blood and immune system. Here the authors develop a strategy using CRISPR-Cas9 and an aAdeno-Associated vVirus(AAV)-delivered IL2RG cDNA to correct X-linked sSevere Ccombined iImmunodeficiency (SCID-X1) with a high success rate.

    • Mara Pavel-Dinu
    • , Volker Wiebking
    •  & Matthew H. Porteus

  • Article
    | Open Access

    Transplantation of allogeneic bone marrow helps establish chimerism that may induce tolerance to tissue grafts. Here the authors show that a CD117-antibody-drug-conjugate helps precondition the recipients for inducing mixed chimerism and allo-tolerance without clear adverse effects or the need for chronic immune suppression.

    • Zhanzhuo Li
    • , Agnieszka Czechowicz
    •  & Philip M. Murphy

  • Article
    | Open Access

    Hematopoietic stem cell (HSC) transplantation is a desirable treatment for many non-malignant and malignant diseases, but its use requires preconditioning of recipients with irradiation or chemotherapy that often induces high toxicity. Here the authors show that antibody-drug-conjugate to CD117, a HSC marker, allows specific and efficient preconditioning for HSC therapy.

    • Agnieszka Czechowicz
    • , Rahul Palchaudhuri
    •  & Derrick J. Rossi

  • Article
    | Open Access

    High fat diets (HFD) are thought to perturb murine hematopoiesis as a result of obesity. Here the authors find that short-term HFD reduces hematopoietic stem cells (HSC), disrupts lipid rafts and TGF-β1 signalling. Injecting HFD-fed mice with recombinant TGF-β1 can rescue HSC loss.

    • François Hermetet
    • , Anne Buffière
    •  & Ronan Quéré

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