1
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Zhang J, Liu T, Wang Y, Yan X, Li Y, Xu F, Zhang R. Dynamic alterations of the transcriptome-wide m 6A methylome in cytogenetically normal acute myeloid leukaemia during initial diagnosis and relapse. Genomics 2023; 115:110725. [PMID: 37820824 DOI: 10.1016/j.ygeno.2023.110725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 09/08/2023] [Accepted: 10/08/2023] [Indexed: 10/13/2023]
Abstract
Accumulating studies have indicated that N6-methyladenosine (m6A) plays an important role in acute myeloid leukaemia (AML). However, little is known about the m6A methylome at a transcriptome-wide scale in AML patients. We obtained three pairs of bone marrow (BM) samples from cytogenetically normal AML patients at the timepoints of diagnosis (AML) and relapse (R_AML) and three BM samples from healthy donors used as normal controls (NCs). Methylated RNA immunoprecipitation next-generation sequencing (MeRIP-Seq) was conducted to identify differences in the m6A methylomes between AML and NC and between R_AML and AML. We identified a total of 11,076 and 11,962 differential m6A peaks in AML and R_AML group, respectively. These dysregulated m6A peaks were detected on all chromosomes, especially chr1, chr19 and chr17, and were mainly enriched in 3' untranslated regions, stop codon and coding sequence regions. Moreover, GO and KEGG analyses indicated that m6A -modified genes were significantly enriched in cancer-related biological functions and pathways. Additionally, we identified a link between the m6A methylome and RNA transcriptome via combined analyses of MeRIP-seq and RNA-seq data. In addition, 5 genes, HSPG2, HOMER3, TSPO2, CXCL12 and FUT1 regulated by m6A modification potentially, were shown to be related to the prognosis of AML patients. Additionally, we detected the mRNA expression of major m6A regulators and potential target mRNA on the leukemogenesis and found that the expression of IGF2BP2, HSPG2 and HOMER3 were upregulated in AML at the time of diagnosis. Moreover, their expression became downregulated after remission and then elevated again at relapse. Our study provides the first data on the differential m6A methylome in AML patients during initial diagnosis and relapse. This study demonstrates a novel relationship between m6A modification and AML relapse and paves the way for further studies aimed at elucidating the epigenic mechanisms involved in the relapse of AML.
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Affiliation(s)
- Jinjing Zhang
- Department of Hematology, the First Hospital of China Medical University, Shenyang, Liaoning 110001, China
| | - Tong Liu
- Department of Hematology, the First Hospital of China Medical University, Shenyang, Liaoning 110001, China
| | - Yue Wang
- Department of Hematology, the First Hospital of China Medical University, Shenyang, Liaoning 110001, China
| | - Xiaojing Yan
- Department of Hematology, the First Hospital of China Medical University, Shenyang, Liaoning 110001, China
| | - Yan Li
- Department of Hematology, the First Hospital of China Medical University, Shenyang, Liaoning 110001, China
| | - Feng Xu
- Department of Hematology, the First Hospital of China Medical University, Shenyang, Liaoning 110001, China
| | - Rui Zhang
- Department of Hematology, the First Hospital of China Medical University, Shenyang, Liaoning 110001, China.
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2
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Extra-hematopoietic immunomodulatory role of the guanine-exchange factor DOCK2. Commun Biol 2022; 5:1246. [DOI: 10.1038/s42003-022-04078-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 10/06/2022] [Indexed: 11/16/2022] Open
Abstract
AbstractStromal cells interact with immune cells during initiation and resolution of immune responses, though the precise underlying mechanisms remain to be resolved. Lessons learned from stromal cell-based therapies indicate that environmental signals instruct their immunomodulatory action contributing to immune response control. Here, to the best of our knowledge, we show a novel function for the guanine-exchange factor DOCK2 in regulating immunosuppressive function in three human stromal cell models and by siRNA-mediated DOCK2 knockdown. To identify immune function-related stromal cell molecular signatures, we first reprogrammed mesenchymal stem/progenitor cells (MSPCs) into induced pluripotent stem cells (iPSCs) before differentiating these iPSCs in a back-loop into MSPCs. The iPSCs and immature iPS-MSPCs lacked immunosuppressive potential. Successive maturation facilitated immunomodulation, while maintaining clonogenicity, comparable to their parental MSPCs. Sequential transcriptomics and methylomics displayed time-dependent immune-related gene expression trajectories, including DOCK2, eventually resembling parental MSPCs. Severe combined immunodeficiency (SCID) patient-derived fibroblasts harboring bi-allelic DOCK2 mutations showed significantly reduced immunomodulatory capacity compared to non-mutated fibroblasts. Conditional DOCK2 siRNA knockdown in iPS-MSPCs and fibroblasts also immediately reduced immunomodulatory capacity. Conclusively, CRISPR/Cas9-mediated DOCK2 knockout in iPS-MSPCs also resulted in significantly reduced immunomodulation, reduced CDC42 Rho family GTPase activation and blunted filopodia formation. These data identify G protein signaling as key element devising stromal cell immunomodulation.
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3
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Wang R, Zhang M, Hu Y, He J, Lin Q, Peng N. MiR-100-5p inhibits osteogenic differentiation of human bone mesenchymal stromal cells by targeting TMEM135. Hum Cell 2022; 35:1671-1683. [PMID: 35947339 DOI: 10.1007/s13577-022-00764-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 07/29/2022] [Indexed: 02/05/2023]
Abstract
Osteoporosis is a disorder characterized by reduced bone mass, disruption of bone microarchitecture, and a propensity to fracture. The osteogenic differentiation of human bone mesenchymal stromal cells (hBMSCs) exerts a critical effect on preventing bone loss during osteoporosis. Herein, the study recognized miR-100-5p as a deregulated miRNA during osteoporosis (upregulated) and BMSC osteogenic differentiation (downregulated). miR-100-5p was upregulated in osteoporosis patients-isolated BMSCs compared to non-osteoporosis trauma patients-isolated BMSCs. hBMSCs, overexpression inhibited hBMSC proliferation and osteogenic differentiation, whereas miR-100-5p inhibition exerted opposite effects. TMEM135 was downregulated in osteoporosis and upregulated in differentiated osteoblasts, as well as downregulated upon the overexpression of miR-100-5p. MiR-100-5p directly targeted and inhibited TMEM135. In hBMSCs, TMEM135 silencing also inhibited hBMSC osteogenic differentiation. When co-transfected to hBMSCs, antagomir-100-5p promoted, whereas TMEM135 silencing inhibited hBMSC osteogenic differentiation; TMEM135 knockdown dramatically attenuated the effects of miR-100-5p inhibition. Taken together, miR-100-5p forms a regulatory axis with TMEM135 by direct binding. The miR-100-5p/TMEM135 axis modulates hBMSC differentiation into osteoblast. Considering the critical effect of BMSC osteogenesis on osteoporosis, this axis might play a role in osteoporosis, and further in vivo and clinical investigations are required.
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Affiliation(s)
- Rui Wang
- Department of Endocrinology, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, China
| | - Miao Zhang
- Department of Endocrinology, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, China
| | - Ying Hu
- Department of Endocrinology, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, China
| | - Juan He
- Department of Endocrinology, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, China
| | - Qiao Lin
- Department of Endocrinology, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, China
| | - Nianchun Peng
- Department of Endocrinology, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, China.
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4
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WNT5A in tumor development and progression: A comprehensive review. Biomed Pharmacother 2022; 155:113599. [PMID: 36089446 DOI: 10.1016/j.biopha.2022.113599] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 08/18/2022] [Accepted: 08/21/2022] [Indexed: 11/20/2022] Open
Abstract
The investigation of tumor microenvironment (TME) is essential to better characterize the complex cellular crosstalk and to identify important immunological phenotypes and biomarkers. The niche is a crucial contributor to neoplasm initiation, maintenance and progression. Therefore, a deeper analysis of tumor surroundings could improve cancer diagnosis, prognosis and assertive treatment. Thus, the WNT family exerts a critical action in tumorigenesis of different types of neoplasms due to dysregulations in the TME. WNT5A, an evolutionary WNT member, is involved in several cellular and physiopathological processes, in addition to tissue homeostasis. The WNT5A protein exerts paradoxical effects while acting as both an oncogene or tumor suppressor by regulating several non-canonical signaling pathways, and consequently interfering in cell growth, cytoskeletal remodeling, migration and invasiveness. This review focuses on a thorough characterization of the role of WNT5A in neoplastic transformation and progression, which may help to understand the prognostic potentiality of WNT5A and its features as a therapeutic target in several cancers. Additionally, we herein summarized novel findings on the mechanisms by which WNT5A might favor tumorigenesis or suppression of cancer progression and discussed the recently developed treatment strategies using WNT5A as a protagonist.
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5
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Nguyen TH, Abidin BM, Heinonen KM. Frizzled-6 promotes hematopoietic stem/progenitor cell mobilization and survival during LPS-induced emergency myelopoiesis. Stem Cell Reports 2022; 17:2303-2317. [PMID: 36084638 PMCID: PMC9561701 DOI: 10.1016/j.stemcr.2022.08.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 08/09/2022] [Accepted: 08/12/2022] [Indexed: 10/31/2022] Open
Abstract
Emergency hematopoiesis involves the activation of bone marrow hematopoietic stem/progenitor cells (HSPCs) in response to systemic inflammation by a combination of cell-autonomous and stroma-dependent signals and leads to their release from bone marrow and migration to periphery. We have previously shown that FZD6 plays a pivotal role in regulating HSPC expansion and long-term maintenance. Now we sought to better understand the underlying mechanisms. Using lipopolysaccharide (LPS)-induced emergency granulopoiesis as a model, we show that failed expansion was intrinsic to FZD6-deficient HSPCs but also required a FZD6-deficient environment. FZD6-deficient HSPCs became more strongly activated, but their mobilization to peripheral blood was impaired and they were more susceptible to inflammatory cell death, leading to enhanced release of pro-inflammatory cytokines in the marrow. These studies indicate that FZD6 has a protective effect in the bone marrow to prevent an overactive inflammatory response and further suggest that mobilization improves HSPC survival during bone marrow inflammation.
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Affiliation(s)
- Trieu Hai Nguyen
- Institut National de la Recherche Scientifique, Centre Armand-Frappier Santé Biotechnologie, Laval, QC, Canada
| | - Belma Melda Abidin
- Institut National de la Recherche Scientifique, Centre Armand-Frappier Santé Biotechnologie, Laval, QC, Canada
| | - Krista M Heinonen
- Institut National de la Recherche Scientifique, Centre Armand-Frappier Santé Biotechnologie, Laval, QC, Canada; Centre d'Excellence de Recherche sur les Maladies Orphelines - Fondation Courtois (CERMO-FC), Montreal, QC, Canada.
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6
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Hettler F, Schreck C, Marquez SR, Engleitner T, Vilne B, Landspersky T, Weidner H, Hausinger R, Mishra R, Oellinger R, Rauner M, Naumann R, Peschel C, Bassermann F, Rad R, Istvanffy R, Oostendorp RA. Osteoprogenitor SFRP1 prevents exhaustion of hematopoietic stem cells via PP2A-PR72/130-mediated regulation of p300. Haematologica 2022; 108:490-501. [PMID: 35950533 PMCID: PMC9890018 DOI: 10.3324/haematol.2022.280760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Indexed: 02/03/2023] Open
Abstract
Remodeling of the bone marrow microenvironment in chronic inflammation and in aging reduces hematopoietic stem cell (HSC) function. To assess the mechanisms of this functional decline of HSC and find strategies to counteract it, we established a model in which the Sfrp1 gene was deleted in Osterix+ osteolineage cells (OS1Δ/Δ mice). HSC from these mice showed severely diminished repopulating activity with associated DNA damage, enriched expression of the reactive oxygen species pathway and reduced single-cell proliferation. Interestingly, not only was the protein level of Catenin beta-1 (bcatenin) elevated, but so was its association with the phosphorylated co-activator p300 in the nucleus. Since these two proteins play a key role in promotion of differentiation and senescence, we inhibited in vivo phosphorylation of p300 through PP2A-PR72/130 by administration of IQ-1 in OS1Δ/Δ mice. This treatment not only reduced the b-catenin/phosphop300 association, but also decreased nuclear p300. More importantly, in vivo IQ-1 treatment fully restored HSC repopulating activity of the OS1Δ/Δ mice. Our findings show that the osteoprogenitor Sfrp1 is essential for maintaining HSC function. Furthermore, pharmacological downregulation of the nuclear b-catenin/phospho-p300 association is a new strategy to restore poor HSC function.
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Affiliation(s)
- Franziska Hettler
- Technical University of Munich, School of Medicine, Department of Internal Medicine III Hematology/Oncology, Munich, Germany,FH and CS contributed equally as co-first authors
| | - Christina Schreck
- Technical University of Munich, School of Medicine, Department of Internal Medicine III Hematology/Oncology, Munich, Germany,FH and CS contributed equally as co-first authors
| | - Sandra Romero Marquez
- Technical University of Munich, School of Medicine, Department of Internal Medicine III Hematology/Oncology, Munich, Germany
| | - Thomas Engleitner
- Technical University of Munich, School of Medicine, Center for Translational Cancer Research (TranslaTUM), Munich, Germany: ,Technical University of Munich, School of Medicine, Institute of Molecular Oncology and Functional Genomics, Munich, Germany
| | - Baiba Vilne
- Bioinformatics Research Unit, Riga Stradins University Riga, Riga, Latvia,netOmics, Riga, Latvia
| | - Theresa Landspersky
- Technical University of Munich, School of Medicine, Department of Internal Medicine III Hematology/Oncology, Munich, Germany
| | - Heike Weidner
- Bone Lab Dresden, Department of Medicine III & Center for Healthy Aging, Technische Universität Dresden, Dresden, Germany
| | - Renate Hausinger
- Technical University of Munich, School of Medicine, Department of Internal Medicine III Hematology/Oncology, Munich, Germany
| | - Ritu Mishra
- Technical University of Munich, School of Medicine, Center for Translational Cancer Research (TranslaTUM), Munich, Germany: ,School of Medicine, Institute of Clinical Chemistry and Pathobiochemistry, Technical University of Munich, Munich, Germany
| | - Rupert Oellinger
- Technical University of Munich, School of Medicine, Center for Translational Cancer Research (TranslaTUM), Munich, Germany: ,Technical University of Munich, School of Medicine, Institute of Molecular Oncology and Functional Genomics, Munich, Germany
| | - Martina Rauner
- Bone Lab Dresden, Department of Medicine III & Center for Healthy Aging, Technische Universität Dresden, Dresden, Germany
| | - Ronald Naumann
- Max Planck Institute of Molecular Cell Biology and Genetics, Transgenic Core Facility, Dresden, Germany
| | - Christian Peschel
- Technical University of Munich, School of Medicine, Department of Internal Medicine III Hematology/Oncology, Munich, Germany,German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Florian Bassermann
- Technical University of Munich, School of Medicine, Department of Internal Medicine III Hematology/Oncology, Munich, Germany,German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Roland Rad
- Technical University of Munich, School of Medicine, Center for Translational Cancer Research (TranslaTUM), Munich, Germany: ,Technical University of Munich, School of Medicine, Institute of Molecular Oncology and Functional Genomics, Munich, Germany,German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Rouzanna Istvanffy
- Technical University of Munich, School of Medicine, Department of Internal Medicine III Hematology/Oncology, Munich, Germany,Current afliation: Technical University of Munich, School of Medicine, Surgery Department, Munich, Germany
| | - Robert A.J. Oostendorp
- Technical University of Munich, School of Medicine, Department of Internal Medicine III Hematology/Oncology, Munich, Germany,RI and RAJO contributed equally as co-senior authors
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7
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Lin Q, Wu L, Chatla S, Chowdhury FA, Atale N, Joseph J, Du W. Hematopoietic stem cell regeneration through paracrine regulation of the Wnt5a/Prox1 signaling axis. J Clin Invest 2022; 132:155914. [PMID: 35703178 PMCID: PMC9197516 DOI: 10.1172/jci155914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 05/05/2022] [Indexed: 11/20/2022] Open
Abstract
The crosstalk between the BM microenvironment (niche) and hematopoietic stem cells (HSCs) is critical for HSC regeneration. Here, we show that in mice, deletion of the Fanconi anemia (FA) genes Fanca and Fancc dampened HSC regeneration through direct effects on HSCs and indirect effects on BM niche cells. FA HSCs showed persistent upregulation of the Wnt target Prox1 in response to total body irradiation (TBI). Accordingly, lineage-specific deletion of Prox1 improved long-term repopulation of the irradiated FA HSCs. Forced expression of Prox1 in WT HSCs mimicked the defective repopulation phenotype of FA HSCs. WT mice but not FA mice showed significant induction by TBI of BM stromal Wnt5a protein. Mechanistically, FA proteins regulated stromal Wnt5a expression, possibly through modulating the Wnt5a transcription activator Pax2. Wnt5a treatment of irradiated FA mice enhanced HSC regeneration. Conversely, Wnt5a neutralization inhibited HSC regeneration after TBI. Wnt5a secreted by LepR+CXCL12+ BM stromal cells inhibited β-catenin accumulation, thereby repressing Prox1 transcription in irradiated HSCs. The detrimental effect of deregulated Wnt5a/Prox1 signaling on HSC regeneration was also observed in patients with FA and aged mice. Irradiation induced upregulation of Prox1 in the HSCs of aged mice, and deletion of Prox1 in aged HSCs improved HSC regeneration. Treatment of aged mice with Wnt5a enhanced hematopoietic repopulation. Collectively, these findings identified the paracrine Wnt5a/Prox1 signaling axis as a regulator of HSC regeneration under conditions of injury and aging.
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Affiliation(s)
- Qiqi Lin
- Division of Hematology and Oncology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Limei Wu
- Division of Hematology and Oncology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.,University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center, Pittsburgh, Pennsylvania, USA
| | - Srinivas Chatla
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine at Temple University, Philadelphia, Pennsylvania, USA
| | - Fabliha A Chowdhury
- Division of Hematology and Oncology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Neha Atale
- Division of Hematology and Oncology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.,University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center, Pittsburgh, Pennsylvania, USA
| | - Jonathan Joseph
- University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center, Pittsburgh, Pennsylvania, USA.,University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Wei Du
- Division of Hematology and Oncology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.,University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center, Pittsburgh, Pennsylvania, USA
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8
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Fibbe W, Bernardi R, Charbord P, Krause D, Lo Celso C, Méndez-Ferrer S, Mummery C, Oostendorp R, Raaijmakers M, Socié G, Staal F, Bacigalupo A. The EHA Research Roadmap: Hematopoietic Stem Cells and Allotransplantation. Hemasphere 2022; 6:e0714. [PMID: 35509429 PMCID: PMC9061153 DOI: 10.1097/hs9.0000000000000714] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 03/30/2022] [Indexed: 11/27/2022] Open
Affiliation(s)
- Willem Fibbe
- Department of Internal Medicine and Nephrology, Leiden University Medical Center. Leiden, the Netherlands
| | - Rosa Bernardi
- IRCCS San Raffaele Scientific Institute, Milan, Italy
| | | | - Daniela Krause
- Goethe University Frankfurt and Georg-Speyer-Haus, Frankfurt am Main, Germany
| | - Cristina Lo Celso
- Department of Life Sciences and Centre for Haematology, Imperial College London, United Kingdom
| | | | - Christine Mummery
- Department of Anatomy & Embryology, Leiden University Medical Center, Leiden, the Netherlands
| | - Robert Oostendorp
- Department of Internal Medicine III, Technical University of Munich, School of Medicine, Munich, Germany
| | | | - Gerard Socié
- Hospital Saint Louis, APHP & University of Paris, France
| | - Frank Staal
- Department of Immunology, Leiden University Medical Center, Leiden, the Netherlands
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9
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Janjic A, Wange LE, Bagnoli JW, Geuder J, Nguyen P, Richter D, Vieth B, Vick B, Jeremias I, Ziegenhain C, Hellmann I, Enard W. Prime-seq, efficient and powerful bulk RNA sequencing. Genome Biol 2022; 23:88. [PMID: 35361256 PMCID: PMC8969310 DOI: 10.1186/s13059-022-02660-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 03/23/2022] [Indexed: 12/21/2022] Open
Abstract
Cost-efficient library generation by early barcoding has been central in propelling single-cell RNA sequencing. Here, we optimize and validate prime-seq, an early barcoding bulk RNA-seq method. We show that it performs equivalently to TruSeq, a standard bulk RNA-seq method, but is fourfold more cost-efficient due to almost 50-fold cheaper library costs. We also validate a direct RNA isolation step, show that intronic reads are derived from RNA, and compare cost-efficiencies of available protocols. We conclude that prime-seq is currently one of the best options to set up an early barcoding bulk RNA-seq protocol from which many labs would profit.
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Affiliation(s)
- Aleksandar Janjic
- Anthropology & Human Genomics, Faculty of Biology, Ludwig-Maximilians University, Großhaderner Str. 2, 82152, Martinsried, Germany.,Graduate School of Systemic Neurosciences, Faculty of Biology, Ludwig-Maximilians University, Martinsried, Germany
| | - Lucas E Wange
- Anthropology & Human Genomics, Faculty of Biology, Ludwig-Maximilians University, Großhaderner Str. 2, 82152, Martinsried, Germany
| | - Johannes W Bagnoli
- Anthropology & Human Genomics, Faculty of Biology, Ludwig-Maximilians University, Großhaderner Str. 2, 82152, Martinsried, Germany
| | - Johanna Geuder
- Anthropology & Human Genomics, Faculty of Biology, Ludwig-Maximilians University, Großhaderner Str. 2, 82152, Martinsried, Germany
| | - Phong Nguyen
- Anthropology & Human Genomics, Faculty of Biology, Ludwig-Maximilians University, Großhaderner Str. 2, 82152, Martinsried, Germany
| | - Daniel Richter
- Anthropology & Human Genomics, Faculty of Biology, Ludwig-Maximilians University, Großhaderner Str. 2, 82152, Martinsried, Germany
| | - Beate Vieth
- Anthropology & Human Genomics, Faculty of Biology, Ludwig-Maximilians University, Großhaderner Str. 2, 82152, Martinsried, Germany
| | - Binje Vick
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Zentrum München, German Research Center for Environmental Health (HMGU), Munich, Germany.,German Cancer Consortium (DKTK), Partner Site Munich, Munich, Germany
| | - Irmela Jeremias
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Zentrum München, German Research Center for Environmental Health (HMGU), Munich, Germany.,German Cancer Consortium (DKTK), Partner Site Munich, Munich, Germany.,Department of Pediatrics, Dr. von Hauner Children's Hospital, Ludwig-Maximilians University, Munich, Germany
| | - Christoph Ziegenhain
- Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden
| | - Ines Hellmann
- Anthropology & Human Genomics, Faculty of Biology, Ludwig-Maximilians University, Großhaderner Str. 2, 82152, Martinsried, Germany
| | - Wolfgang Enard
- Anthropology & Human Genomics, Faculty of Biology, Ludwig-Maximilians University, Großhaderner Str. 2, 82152, Martinsried, Germany.
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10
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Stressed and disoriented: stromal autophagy regulates HSCs. Blood 2022; 139:640-642. [PMID: 35113152 DOI: 10.1182/blood.2021014337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 10/13/2021] [Indexed: 11/20/2022] Open
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11
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Autophagy in mesenchymal progenitors protects mice against bone marrow failure after severe intermittent stress. Blood 2022; 139:690-703. [PMID: 34657154 PMCID: PMC8814682 DOI: 10.1182/blood.2021011775] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 10/01/2021] [Indexed: 11/26/2022] Open
Abstract
The cellular mechanisms required to ensure homeostasis of the hematopoietic niche and the ability of this niche to support hematopoiesis upon stress remain elusive. We here identify Wnt5a in Osterix+ mesenchymal progenitor and stem cells (MSPCs) as a critical factor for niche-dependent hematopoiesis. Mice lacking Wnt5a in MSPCs suffer from stress-related bone marrow (BM) failure and increased mortality. Niche cells devoid of Wnt5a show defective actin stress fiber orientation due to an elevated activity of the small GTPase CDC42. This results in incorrect positioning of autophagosomes and lysosomes, thus reducing autophagy and increasing oxidative stress. In MSPCs from patients from BM failure states which share features of peripheral cytopenia and hypocellular BM, we find similar defects in actin stress fiber orientation, reduced and incorrect colocalization of autophagosomes and lysosomes, and CDC42 activation. Strikingly, a short pharmacological intervention to attenuate elevated CDC42 activation in vivo in mice prevents defective actin-anchored autophagy in MSPCs, salvages hematopoiesis and protects against lethal cytopenia upon stress. In summary, our study identifies Wnt5a as a restriction factor for niche homeostasis by affecting CDC42-regulated actin stress-fiber orientation and autophagy upon stress. Our data further imply a critical role for autophagy in MSPCs for adequate support of hematopoiesis by the niche upon stress and in human diseases characterized by peripheral cytopenias and hypocellular BM.
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12
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Jaffredo T, Balduini A, Bigas A, Bernardi R, Bonnet D, Canque B, Charbord P, Cumano A, Delwel R, Durand C, Fibbe W, Forrester L, de Franceschi L, Ghevaert C, Gjertsen B, Gottgens B, Graf T, Heidenreich O, Hermine O, Higgs D, Kleanthous M, Klump H, Kouskoff V, Krause D, Lacaud G, Celso CL, Martens JH, Méndez-Ferrer S, Menendez P, Oostendorp R, Philipsen S, Porse B, Raaijmakers M, Robin C, Stunnenberg H, Theilgaard-Mönch K, Touw I, Vainchenker W, Corrons JLV, Yvernogeau L, Schuringa JJ. The EHA Research Roadmap: Normal Hematopoiesis. Hemasphere 2021; 5:e669. [PMID: 34853826 PMCID: PMC8615310 DOI: 10.1097/hs9.0000000000000669] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 11/02/2021] [Indexed: 01/01/2023] Open
Affiliation(s)
- Thierry Jaffredo
- Sorbonne Université, Institut de Biologie Paris Seine, Laboratoire de Biologie du Développement/UMR7622, Paris, France
| | | | - Anna Bigas
- Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
- Josep Carreras Leukemia Research Institute (IJC), Barcelona, Spain
- Centro de Investigación Biomedica en Red-Oncología (CIBERONC), Instituto de Salud Carlos III, Madrid, Spain
| | - Rosa Bernardi
- IRCCS San Raffaele Scientific Institute, Milan, Italy
| | | | - Bruno Canque
- INSERM U976, Universite de Paris, Ecole Pratique des Hautes Etudes/PSL Research University, Institut de Recherche Saint Louis, France
| | - Pierre Charbord
- Sorbonne Université, Institut de Biologie Paris Seine, Laboratoire de Biologie du Développement/UMR7622, Paris, France
| | - Anna Cumano
- Unité Lymphopoïèse, Département d’Immunologie, INSERM U1223, Institut Pasteur, Cellule Pasteur, Université de Paris, France
| | - Ruud Delwel
- Department of Hematology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Charles Durand
- Sorbonne Université, Institut de Biologie Paris Seine, Laboratoire de Biologie du Développement/UMR7622, Paris, France
| | - Willem Fibbe
- Leiden University Medical Center, The Netherlands
| | - Lesley Forrester
- Centre for Regenerative Medicine, Institute for Regeneration and Repair, University of Edinburgh, Scotland
| | | | | | - Bjørn Gjertsen
- Department of Medicine, Hematology Section, Haukeland University Hospital, Bergen, Norway
- Department of Clinical Science, Centre for Cancer Biomarkers CCBIO, University of Bergen, Norway
| | - Berthold Gottgens
- Wellcome - MRC Cambridge Stem Cell Institute and Department of Haematology, University of Cambridge, United Kingdom
| | - Thomas Graf
- Center for Genomic Regulation, Barcelona Institute for Science and Technology and Universitat Pompeu Fabra, Barcelona, Spain
| | - Olaf Heidenreich
- Prinses Máxima Centrum voor kinderoncologie, Utecht, The Netherlands
| | - Olivier Hermine
- Department of Hematology and Laboratory of Physiopathology and Treatment of Blood Disorders, Hôpital Necker, Imagine institute, University of Paris, France
| | - Douglas Higgs
- MRC Weatherall Institute of Molecular Medicine, John Radcliffe Hospital, Oxford, United Kingdom
| | | | - Hannes Klump
- Institute for Transfusion Medicine, University Hospital Essen, Germany
| | | | - Daniela Krause
- Goethe University Frankfurt and Georg-Speyer-Haus, Frankfurt am Main, Germany
| | - George Lacaud
- Cancer Research UK Manchester Institute, The University of Manchester, United Kingdom
| | | | - Joost H.A. Martens
- Department of Molecular Biology, RIMLS, Radboud University, Nijmegen, The Netherlands
| | | | - Pablo Menendez
- Centro de Investigación Biomedica en Red-Oncología (CIBERONC), Instituto de Salud Carlos III, Madrid, Spain
- Josep Carreras Leukemia Research Institute, Barcelona, Spain
- RICORS-RETAV, Instituto de Salud Carlos III, Madrid, Spain
- Department of Biomedicine, School of Medicine, Universitat de Barcelona, Barcelona, Spain
- Institució Catalana de Recerca i Estudis Avancats (ICREA), Barcelona, Spain
| | - Robert Oostendorp
- Department of Internal Medicine III, Technical University of Munich, School of Medicine, Germany
| | - Sjaak Philipsen
- Department of Cell Biology, Erasmus University Medical Center Rotterdam, The Netherlands
| | - Bo Porse
- The Finsen Laboratory, Rigshospitalet, Faculty of Health Sciences, University of Copenhagen, Denmark
- Biotech Research and Innovation Center (BRIC), University of Copenhagen, Denmark
- Novo Nordisk Foundation Center for Stem Cell Biology, DanStem, Faculty of Health Sciences, University of Copenhagen, Denmark
| | - Marc Raaijmakers
- Department of Hematology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Catherine Robin
- Hubrecht Institute-KNAW and University Medical Center Utrecht, The Netherlands
- Regenerative medicine center, University Medical Center Utrecht, The Netherlands
| | - Henk Stunnenberg
- Prinses Máxima Centrum voor kinderoncologie, Utecht, The Netherlands
| | - Kim Theilgaard-Mönch
- The Finsen Laboratory, Rigshospitalet, Faculty of Health Sciences, University of Copenhagen, Denmark
- Biotech Research and Innovation Center (BRIC), University of Copenhagen, Denmark
- Novo Nordisk Foundation Center for Stem Cell Biology, DanStem, Faculty of Health Sciences, University of Copenhagen, Denmark
- Department of Hematology, Rigshospitalet/National University Hospital, University of Copenhagen, Denmark
| | - Ivo Touw
- Department of Hematology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | | | - Joan-Lluis Vives Corrons
- Red Blood Cell and Hematopoietic Disorders Research Unit, Institute for Leukaemia Research Josep Carreras, Badalona, Barcelona
| | - Laurent Yvernogeau
- Sorbonne Université, Institut de Biologie Paris Seine, Laboratoire de Biologie du Développement/UMR7622, Paris, France
| | - Jan Jacob Schuringa
- Department of Experimental Hematology, University Medical Center Groningen, The Netherlands
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13
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Almotiri A, Alzahrani H, Menendez-Gonzalez JB, Abdelfattah A, Alotaibi B, Saleh L, Greene A, Georgiou M, Gibbs A, Alsayari A, Taha S, Thomas LA, Shah D, Edkins S, Giles P, Stemmler MP, Brabletz S, Brabletz T, Boyd AS, Siebzehnrubl FA, Rodrigues NP. Zeb1 modulates hematopoietic stem cell fates required for suppressing acute myeloid leukemia. J Clin Invest 2021; 131:129115. [PMID: 33108352 PMCID: PMC7773410 DOI: 10.1172/jci129115] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 10/14/2020] [Indexed: 12/12/2022] Open
Abstract
Zeb1, a zinc finger E-box binding homeobox epithelial-mesenchymal transition (EMT) transcription factor, confers properties of "stemness," such as self-renewal, in cancer. Yet little is known about the function of Zeb1 in adult stem cells. Here, we used the hematopoietic system as a well-established paradigm of stem cell biology to evaluate Zeb1-mediated regulation of adult stem cells. We employed a conditional genetic approach using the Mx1-Cre system to specifically knock out (KO) Zeb1 in adult hematopoietic stem cells (HSCs) and their downstream progeny. Acute genetic deletion of Zeb1 led to rapid-onset thymic atrophy and apoptosis-driven loss of thymocytes and T cells. A profound cell-autonomous self-renewal defect and multilineage differentiation block were observed in Zeb1-KO HSCs. Loss of Zeb1 in HSCs activated transcriptional programs of deregulated HSC maintenance and multilineage differentiation genes and of cell polarity consisting of cytoskeleton-, lipid metabolism/lipid membrane-, and cell adhesion-related genes. Notably, epithelial cell adhesion molecule (EpCAM) expression was prodigiously upregulated in Zeb1-KO HSCs, which correlated with enhanced cell survival, diminished mitochondrial metabolism, ribosome biogenesis, and differentiation capacity and an activated transcriptomic signature associated with acute myeloid leukemia (AML) signaling. ZEB1 expression was downregulated in AML patients, and Zeb1 KO in the malignant counterparts of HSCs - leukemic stem cells (LSCs) - accelerated MLL-AF9- and Meis1a/Hoxa9-driven AML progression, implicating Zeb1 as a tumor suppressor in AML LSCs. Thus, Zeb1 acts as a transcriptional regulator in hematopoiesis, critically coordinating HSC self-renewal, apoptotic, and multilineage differentiation fates required to suppress leukemic potential in AML.
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Affiliation(s)
- Alhomidi Almotiri
- European Cancer Stem Cell Research Institute, Cardiff University, School of Biosciences, Cardiff, United Kingdom.,College of Applied Medical Sciences-Dawadmi, Shaqra University, Dawadmi, Saudi Arabia
| | - Hamed Alzahrani
- European Cancer Stem Cell Research Institute, Cardiff University, School of Biosciences, Cardiff, United Kingdom
| | | | - Ali Abdelfattah
- European Cancer Stem Cell Research Institute, Cardiff University, School of Biosciences, Cardiff, United Kingdom
| | - Badi Alotaibi
- European Cancer Stem Cell Research Institute, Cardiff University, School of Biosciences, Cardiff, United Kingdom
| | - Lubaid Saleh
- European Cancer Stem Cell Research Institute, Cardiff University, School of Biosciences, Cardiff, United Kingdom
| | - Adelle Greene
- European Cancer Stem Cell Research Institute, Cardiff University, School of Biosciences, Cardiff, United Kingdom
| | - Mia Georgiou
- European Cancer Stem Cell Research Institute, Cardiff University, School of Biosciences, Cardiff, United Kingdom
| | - Alex Gibbs
- European Cancer Stem Cell Research Institute, Cardiff University, School of Biosciences, Cardiff, United Kingdom
| | - Amani Alsayari
- European Cancer Stem Cell Research Institute, Cardiff University, School of Biosciences, Cardiff, United Kingdom
| | - Sarab Taha
- European Cancer Stem Cell Research Institute, Cardiff University, School of Biosciences, Cardiff, United Kingdom
| | - Leigh-Anne Thomas
- European Cancer Stem Cell Research Institute, Cardiff University, School of Biosciences, Cardiff, United Kingdom
| | - Dhruv Shah
- European Cancer Stem Cell Research Institute, Cardiff University, School of Biosciences, Cardiff, United Kingdom
| | - Sarah Edkins
- Wales Gene Park and Wales Cancer Research Centre, Division of Cancer and Genetics, Cardiff University, School of Medicine, Cardiff, United Kingdom
| | - Peter Giles
- Wales Gene Park and Wales Cancer Research Centre, Division of Cancer and Genetics, Cardiff University, School of Medicine, Cardiff, United Kingdom
| | - Marc P Stemmler
- Department of Experimental Medicine 1, Nikolaus-Fiebiger-Center for Molecular Medicine, FAU University Erlangen-Nürnberg, Erlangen, Germany
| | - Simone Brabletz
- Department of Experimental Medicine 1, Nikolaus-Fiebiger-Center for Molecular Medicine, FAU University Erlangen-Nürnberg, Erlangen, Germany
| | - Thomas Brabletz
- Department of Experimental Medicine 1, Nikolaus-Fiebiger-Center for Molecular Medicine, FAU University Erlangen-Nürnberg, Erlangen, Germany
| | - Ashleigh S Boyd
- Department of Surgical Biotechnology, Division of Surgery and Interventional Science, Royal Free Hospital, and.,Institute of Immunity and Transplantation, University College London, London, United Kingdom
| | - Florian A Siebzehnrubl
- European Cancer Stem Cell Research Institute, Cardiff University, School of Biosciences, Cardiff, United Kingdom
| | - Neil P Rodrigues
- European Cancer Stem Cell Research Institute, Cardiff University, School of Biosciences, Cardiff, United Kingdom
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14
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Xu Q, Wang Y, Li X, Du Y, Li Y, Zhu J, Lin Y. miR-10a-5p Inhibits the Differentiation of Goat Intramuscular Preadipocytes by Targeting KLF8 in Goats. Front Mol Biosci 2021; 8:700078. [PMID: 34490349 PMCID: PMC8418121 DOI: 10.3389/fmolb.2021.700078] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Accepted: 07/13/2021] [Indexed: 11/13/2022] Open
Abstract
Intramuscular fat contributes to the improvement of meat quality of goats. MicroRNAs (miRNAs) have been reported to regulate adipocyte differentiation and maturation. The aim of our study was to clarify whether miR-10a-5p regulates goat intramuscular preadipocyte (GIPC) differentiation and its direct downstream signaling pathway. GIPCs were isolated from longissimus dorsi, whose miR-10a-5p level was measured at different time point of differentiation induction. Adipogenic differentiation of the GIPCs was evaluated by Oil Red O and BODIPY staining, and the expression changes of adipogenic genes like ACC, ATGL, CEBPβ, PPARγ, etc. Related mechanisms were verified by qPCR, a bioinformatic analysis, a dual-luciferase reporter assay, overexpression, and siRNA transfection. Oil Red O and BODIPY staining both with adipogenic gene detection showed that miR-10a-5p suppressed the accumulation of lipid droplets in GIPCs and inhibited its differentiation. The dual-luciferase reporter assay experiment revealed that miR-10a-5p regulates GIPC differentiation by directly binding to KLF8 3’UTR to regulate its expression. Thus, the results indicated that miR-10a-5p inhibits GIPC differentiation by targeting KLF8 and supply a new target for fat deposition and meat quality improvement.
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Affiliation(s)
- Qing Xu
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Education Ministry, Southwest Minzu University, Chengdu, China.,Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Exploitation of Sichuan Province, Southwest Minzu University, Chengdu, China.,College of Animal Science and Veterinary, Southwest Minzu University, Chengdu, China
| | - Yong Wang
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Education Ministry, Southwest Minzu University, Chengdu, China.,Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Exploitation of Sichuan Province, Southwest Minzu University, Chengdu, China.,College of Animal Science and Veterinary, Southwest Minzu University, Chengdu, China
| | - Xin Li
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Education Ministry, Southwest Minzu University, Chengdu, China.,Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Exploitation of Sichuan Province, Southwest Minzu University, Chengdu, China.,College of Animal Science and Veterinary, Southwest Minzu University, Chengdu, China
| | - Yu Du
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Education Ministry, Southwest Minzu University, Chengdu, China.,Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Exploitation of Sichuan Province, Southwest Minzu University, Chengdu, China
| | - Yanyan Li
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Education Ministry, Southwest Minzu University, Chengdu, China.,College of Animal Science and Veterinary, Southwest Minzu University, Chengdu, China
| | - Jiangjiang Zhu
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Education Ministry, Southwest Minzu University, Chengdu, China.,Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Exploitation of Sichuan Province, Southwest Minzu University, Chengdu, China
| | - Yaqiu Lin
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Education Ministry, Southwest Minzu University, Chengdu, China.,Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Exploitation of Sichuan Province, Southwest Minzu University, Chengdu, China.,College of Animal Science and Veterinary, Southwest Minzu University, Chengdu, China
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15
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Fröbel J, Landspersky T, Percin G, Schreck C, Rahmig S, Ori A, Nowak D, Essers M, Waskow C, Oostendorp RAJ. The Hematopoietic Bone Marrow Niche Ecosystem. Front Cell Dev Biol 2021; 9:705410. [PMID: 34368155 PMCID: PMC8339972 DOI: 10.3389/fcell.2021.705410] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 06/28/2021] [Indexed: 12/18/2022] Open
Abstract
The bone marrow (BM) microenvironment, also called the BM niche, is essential for the maintenance of fully functional blood cell formation (hematopoiesis) throughout life. Under physiologic conditions the niche protects hematopoietic stem cells (HSCs) from sustained or overstimulation. Acute or chronic stress deregulates hematopoiesis and some of these alterations occur indirectly via the niche. Effects on niche cells include skewing of its cellular composition, specific localization and molecular signals that differentially regulate the function of HSCs and their progeny. Importantly, while acute insults display only transient effects, repeated or chronic insults lead to sustained alterations of the niche, resulting in HSC deregulation. We here describe how changes in BM niche composition (ecosystem) and structure (remodeling) modulate activation of HSCs in situ. Current knowledge has revealed that upon chronic stimulation, BM remodeling is more extensive and otherwise quiescent HSCs may be lost due to diminished cellular maintenance processes, such as autophagy, ER stress response, and DNA repair. Features of aging in the BM ecology may be the consequence of intermittent stress responses, ultimately resulting in the degeneration of the supportive stem cell microenvironment. Both chronic stress and aging impair the functionality of HSCs and increase the overall susceptibility to development of diseases, including malignant transformation. To understand functional degeneration, an important prerequisite is to define distinguishing features of unperturbed niche homeostasis in different settings. A unique setting in this respect is xenotransplantation, in which human cells depend on niche factors produced by other species, some of which we will review. These insights should help to assess deviations from the steady state to actively protect and improve recovery of the niche ecosystem in situ to optimally sustain healthy hematopoiesis in experimental and clinical settings.
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Affiliation(s)
- Julia Fröbel
- Immunology of Aging, Leibniz Institute on Aging - Fritz Lipmann Institute, Jena, Germany
| | - Theresa Landspersky
- School of Medicine, Department of Internal Medicine III, Technical University of Munich, Munich, Germany
| | - Gülce Percin
- Immunology of Aging, Leibniz Institute on Aging - Fritz Lipmann Institute, Jena, Germany
| | - Christina Schreck
- School of Medicine, Department of Internal Medicine III, Technical University of Munich, Munich, Germany
| | - Susann Rahmig
- Immunology of Aging, Leibniz Institute on Aging - Fritz Lipmann Institute, Jena, Germany
| | - Alessandro Ori
- Proteomics of Aging, Leibniz Institute on Aging - Fritz Lipmann Institute, Jena, Germany
| | - Daniel Nowak
- Department of Hematology and Oncology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Marieke Essers
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany.,Division Inflammatory Stress in Stem Cells, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Claudia Waskow
- Immunology of Aging, Leibniz Institute on Aging - Fritz Lipmann Institute, Jena, Germany.,Institute of Biochemistry and Biophysics, Faculty of Biological Sciences, Friedrich Schiller University Jena, Jena, Germany.,Department of Medicine III, Technical University Dresden, Dresden, Germany
| | - Robert A J Oostendorp
- School of Medicine, Department of Internal Medicine III, Technical University of Munich, Munich, Germany
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16
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Yap1-Scribble polarization is required for hematopoietic stem cell division and fate. Blood 2021; 136:1824-1836. [PMID: 32483624 DOI: 10.1182/blood.2019004113] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Accepted: 05/13/2020] [Indexed: 02/06/2023] Open
Abstract
Yap1 and its paralogue Taz largely control epithelial tissue growth. We have identified that hematopoietic stem cell (HSC) fitness response to stress depends on Yap1 and Taz. Deletion of Yap1 and Taz induces a loss of HSC quiescence, symmetric self-renewal ability, and renders HSC more vulnerable to serial myeloablative 5-fluorouracil treatment. This effect depends on the predominant cytosolic polarization of Yap1 through a PDZ domain-mediated interaction with the scaffold Scribble. Scribble and Yap1 coordinate to control cytoplasmic Cdc42 activity and HSC fate determination in vivo. Deletion of Scribble disrupts Yap1 copolarization with Cdc42 and decreases Cdc42 activity, resulting in increased self-renewing HSC with competitive reconstitution advantages. These data suggest that Scribble/Yap1 copolarization is indispensable for Cdc42-dependent activity on HSC asymmetric division and fate. The combined loss of Scribble, Yap1, and Taz results in transcriptional upregulation of Rac-specific guanine nucleotide exchange factors, Rac activation, and HSC fitness restoration. Scribble links Cdc42 and the cytosolic functions of the Hippo signaling cascade in HSC fate determination.
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17
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Choi YJ, Heck AM, Hayes BJ, Lih D, Rayner SG, Hadland B, Zheng Y. WNT5A from the fetal liver vascular niche supports human fetal liver hematopoiesis. Stem Cell Res Ther 2021; 12:321. [PMID: 34090485 PMCID: PMC8180064 DOI: 10.1186/s13287-021-02380-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Accepted: 05/10/2021] [Indexed: 02/08/2023] Open
Abstract
The human fetal liver is a critical organ for prenatal hematopoiesis, the study of which offers insights into niche signals that regulate the fates of hematopoietic stem and progenitor cells (HSPCs) during fetal development. Here, we demonstrate that human fetal liver endothelium uniquely supports the maturation and expansion of multilineage HSPCs. Specifically, co-culture of fetal liver-derived immature CD43+CD45- hematopoietic cells with human fetal liver endothelial cells (ECs) led to a profound increase in the numbers of phenotypic CD45+CD34+ HSPCs and multilineage colony-forming progenitors generated in vitro, when compared to co-culture with ECs derived from other organs. We further identified a supportive role for EC-derived WNT5A in this process via gain- and loss-of-function studies within ECs. Our study emphasizes the importance of the organ-specific endothelial niche in supporting hematopoietic development and provides novel insight into signals that may facilitate HSPC expansion in vitro for clinical applications.
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Affiliation(s)
- Yoon Jung Choi
- Department of Bioengineering, University of Washington, Seattle, WA, USA
| | - Adam M Heck
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Brian J Hayes
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Daniel Lih
- Department of Bioengineering, University of Washington, Seattle, WA, USA
| | - Samuel G Rayner
- Department of Bioengineering, University of Washington, Seattle, WA, USA
- Division of Pulmonary, Critical Care and Sleep Medicine, University of Washington, Seattle, WA, USA
| | - Brandon Hadland
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA.
- Department of Pediatrics, University of Washington School of Medicine, Seattle, WA, USA.
| | - Ying Zheng
- Department of Bioengineering, University of Washington, Seattle, WA, USA.
- Center for Cardiovascular Biology, and Institute of Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA, USA.
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18
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Hétu-Arbour R, Tlili M, Bandeira Ferreira FL, Abidin BM, Kwarteng EO, Heinonen KM. Cell-intrinsic Wnt4 promotes hematopoietic stem and progenitor cell self-renewal. STEM CELLS (DAYTON, OHIO) 2021; 39:1207-1220. [PMID: 33882146 DOI: 10.1002/stem.3385] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 03/25/2021] [Indexed: 11/05/2022]
Abstract
Although intracellular Wnt signaling pathways need to be tightly regulated to promote hematopoietic stem cell self-renewal, the source and identity of important Wnt ligands in the bone marrow is still largely unknown. The noncanonical ligand Wnt4 is expressed in the bone marrow as well as in the stroma, and its overexpression in fetal liver cells facilitates thymic recovery; however, its impact on adult hematopoietic stem cell function remains unclear. Here, we report that the deletion of Wnt4 from hematopoietic cells in mice (Wnt4Δ/Δ ) resulted in decreased lymphopoiesis at steady state. This was likely at least in part due to the increased proinflammatory environment present in the bone marrow of Wnt4Δ/Δ mice. Wnt4Δ/Δ hematopoietic stem cells displayed reduced reconstitution capacity in serial transplants, thus demonstrating defective self-renewal, and they expanded poorly in response to lipopolysaccharide stimulation. This appeared to be the result of the absence of Wnt4 in stem/progenitor cells, as myeloid-restricted Wnt4 deletion had no notable effect. Finally, we observed that Wnt4Δ/Δ stem/progenitor cells were more quiescent, presenting enhanced levels of stress-associated JNK phosphorylation and p16INK4a expression, likely contributing to the reduced expansion observed in transplants. In conclusion, our results identify a new, largely autocrine role for Wnt4 in hematopoietic stem cell self-renewal, suggesting that regulation of Wnt signaling in hematopoiesis may not need Wnt secretion and could be independent of morphogen gradients.
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Affiliation(s)
- Roxann Hétu-Arbour
- Institut national de la recherche scientifique, INRS-Centre Armand-Frappier Santé Biotechnologie, Laval, Quebec, Canada
| | - Mouna Tlili
- Institut national de la recherche scientifique, INRS-Centre Armand-Frappier Santé Biotechnologie, Laval, Quebec, Canada
| | - Fabio Luiz Bandeira Ferreira
- Institut national de la recherche scientifique, INRS-Centre Armand-Frappier Santé Biotechnologie, Laval, Quebec, Canada
| | - Belma Melda Abidin
- Institut national de la recherche scientifique, INRS-Centre Armand-Frappier Santé Biotechnologie, Laval, Quebec, Canada
| | - Edward O Kwarteng
- Institut national de la recherche scientifique, INRS-Centre Armand-Frappier Santé Biotechnologie, Laval, Quebec, Canada
| | - Krista M Heinonen
- Institut national de la recherche scientifique, INRS-Centre Armand-Frappier Santé Biotechnologie, Laval, Quebec, Canada
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19
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Spevak CC, Elias HK, Kannan L, Ali MAE, Martin GH, Selvaraj S, Eng WS, Ernlund A, Rajasekhar VK, Woolthuis CM, Zhao G, Ha CJ, Schneider RJ, Park CY. Hematopoietic Stem and Progenitor Cells Exhibit Stage-Specific Translational Programs via mTOR- and CDK1-Dependent Mechanisms. Cell Stem Cell 2021; 26:755-765.e7. [PMID: 32386556 DOI: 10.1016/j.stem.2019.12.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 08/16/2019] [Accepted: 12/16/2019] [Indexed: 12/11/2022]
Abstract
Hematopoietic stem cells (HSCs) require highly regulated rates of protein synthesis, but it is unclear if they or lineage-committed progenitors preferentially recruit transcripts to translating ribosomes. We utilized polysome profiling, RNA sequencing, and whole-proteomic approaches to examine the translatome in LSK (Lin-Sca-1+c-Kit+) and myeloid progenitor (MP; Lin-Sca-1-c-Kit+) cells. Our studies show that LSKs exhibit low global translation but high translational efficiencies (TEs) of mRNAs required for HSC maintenance. In contrast, MPs activate translation in an mTOR-independent manner due, at least in part, to proteasomal degradation of mTOR by the E3 ubiquitin ligase c-Cbl. In the near absence of mTOR, CDK1 activates eIF4E-dependent translation in MPs through phosphorylation of 4E-BP1. Aberrant activation of mTOR expression and signaling in c-Cbl-deficient MPs results in increased mature myeloid lineage output. Overall, our data demonstrate that hematopoietic stem and progenitor cells (HSPCs) undergo translational reprogramming mediated by previously uncharacterized mechanisms of translational regulation.
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Affiliation(s)
- Christina C Spevak
- Department of Pathology, NYU School of Medicine, New York, NY 10016, USA
| | - Harold K Elias
- Department of Pathology, NYU School of Medicine, New York, NY 10016, USA
| | - Lavanya Kannan
- Department of Pathology, NYU School of Medicine, New York, NY 10016, USA
| | - Mohamed A E Ali
- Department of Pathology, NYU School of Medicine, New York, NY 10016, USA
| | - Gaëlle H Martin
- Department of Pathology, NYU School of Medicine, New York, NY 10016, USA
| | | | - William S Eng
- Department of Pathology, NYU School of Medicine, New York, NY 10016, USA
| | - Amanda Ernlund
- Department of Microbiology and Perlmutter Cancer Center, NYU School of Medicine, New York, NY 10016, USA
| | - Vinagolu K Rajasekhar
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Carolien M Woolthuis
- Department of Hematology, Cancer Research Center, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Guangjie Zhao
- Department of Pathology, NYU School of Medicine, New York, NY 10016, USA
| | - Caryn J Ha
- Department of Pathology, NYU School of Medicine, New York, NY 10016, USA
| | - Robert J Schneider
- Department of Microbiology and Perlmutter Cancer Center, NYU School of Medicine, New York, NY 10016, USA
| | - Christopher Y Park
- Department of Pathology, NYU School of Medicine, New York, NY 10016, USA.
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20
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Hausinger R, Hackl M, Jardon Alvarez A, Kehr M, Romero Marquez S, Hettler F, Kehr C, Grziwok S, Schreck C, Peschel C, Istvánffy R, Oostendorp RAJ. Cathepsin K maintains the compartment of bone marrow T lymphocytes in vivo. IMMUNITY INFLAMMATION AND DISEASE 2021; 9:521-532. [PMID: 33592138 PMCID: PMC8127559 DOI: 10.1002/iid3.412] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 01/26/2021] [Accepted: 01/28/2021] [Indexed: 01/03/2023]
Abstract
In this study, we investigated the influence of the loss of cathepsin K (Ctsk) gene on the hematopoietic system in vitro and in vivo. We found that cultures with lineage- SCA1+ KIT+ (LSK) cells on Ctsk deficient stromal cells display reduced colony formation and proliferation, with increased differentiation, giving rise to repopulating cells with reduced ability to repopulate the donor LSKs and T cell compartments in the bone marrow (BM). Subsequent in vivo experiments showed impairment of lymphocyte numbers, but, gross effects on early hematopoiesis or myelopoiesis were not found. Most consistently in in vivo experimental settings, we found a significant reduction of (donor) T cell numbers in the BM. Lymphocyte deregulation is also found in transplantation experiments, which revealed that Ctsk is required for optimal regeneration of small populations of T cells, particularly in the BM, but also of thymic B cells. Interestingly, cell nonautonomous Ctsk regulates both B and T cell numbers, but T cell numbers in the BM require an additional autonomous Ctsk-dependent process. Thus, we show that Ctsk is required for the maintenance of hematopoietic stem cells in vitro, but in vivo, Ctsk deficiency most strongly affects lymphocyte homeostasis, particularly of T cells in the BM.
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Affiliation(s)
- Renate Hausinger
- Technical University of Munich, School of Medicine, Klinikum rechts der Isar, Department of Internal Medicine III - Hematology and Oncology, Laboratory of Stem Cell Physiology, Munich, Germany
| | - Marianne Hackl
- Technical University of Munich, School of Medicine, Klinikum rechts der Isar, Department of Internal Medicine III - Hematology and Oncology, Laboratory of Stem Cell Physiology, Munich, Germany
| | - Ana Jardon Alvarez
- Technical University of Munich, School of Medicine, Klinikum rechts der Isar, Department of Internal Medicine III - Hematology and Oncology, Laboratory of Stem Cell Physiology, Munich, Germany
| | - Miriam Kehr
- Technical University of Munich, School of Medicine, Klinikum rechts der Isar, Department of Internal Medicine III - Hematology and Oncology, Laboratory of Stem Cell Physiology, Munich, Germany
| | - Sandra Romero Marquez
- Technical University of Munich, School of Medicine, Klinikum rechts der Isar, Department of Internal Medicine III - Hematology and Oncology, Laboratory of Stem Cell Physiology, Munich, Germany
| | - Franziska Hettler
- Technical University of Munich, School of Medicine, Klinikum rechts der Isar, Department of Internal Medicine III - Hematology and Oncology, Laboratory of Stem Cell Physiology, Munich, Germany
| | - Christian Kehr
- Technical University of Munich, School of Medicine, Klinikum rechts der Isar, Department of Internal Medicine III - Hematology and Oncology, Laboratory of Stem Cell Physiology, Munich, Germany
| | - Sandra Grziwok
- Technical University of Munich, School of Medicine, Klinikum rechts der Isar, Department of Internal Medicine III - Hematology and Oncology, Laboratory of Stem Cell Physiology, Munich, Germany
| | - Christina Schreck
- Technical University of Munich, School of Medicine, Klinikum rechts der Isar, Department of Internal Medicine III - Hematology and Oncology, Laboratory of Stem Cell Physiology, Munich, Germany
| | - Christian Peschel
- Technical University of Munich, School of Medicine, Klinikum rechts der Isar, Department of Internal Medicine III - Hematology and Oncology, Laboratory of Stem Cell Physiology, Munich, Germany.,German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Rouzanna Istvánffy
- Technical University of Munich, School of Medicine, Klinikum rechts der Isar, Department of Internal Medicine III - Hematology and Oncology, Laboratory of Stem Cell Physiology, Munich, Germany
| | - Robert A J Oostendorp
- Technical University of Munich, School of Medicine, Klinikum rechts der Isar, Department of Internal Medicine III - Hematology and Oncology, Laboratory of Stem Cell Physiology, Munich, Germany
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21
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Marquez Romero S, Hettler F, Hausinger R, Schreck C, Landspersky T, Henkel L, Angerpointner C, Demir IE, Schiemann M, Bassermann F, Götze KS, Istvánffy R, Oostendorp RAJ. Secreted factors from mouse embryonic fibroblasts maintain repopulating function of single cultured hematopoietic stem cells. Haematologica 2020; 106:2633-2640. [PMID: 33543864 PMCID: PMC8485655 DOI: 10.3324/haematol.2020.249102] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Indexed: 11/09/2022] Open
Abstract
Hematopoietic stem cell self-renewal, proliferation, and differentiation are independently regulated by intrinsic as well as extrinsic mechanisms. We previously demonstrated that murine proliferation of hematopoietic stem cells is supported in serum-free medium supplemented with two growth factors, stem cell factor and interleukin 11. The survival of hematopoietic stem cells is additionally improved by supplementing this medium with two more growth factors, neural growth factor and collagen 1 (four growth factors) or serum-free medium conditioned by the hematopoietic stem cell-supportive stromal UG26-1B6 cells1. Here, we describe a robust and versatile alternative source of conditioned medium from mouse embryonic fibroblasts. We found that this conditioned medium supports survival and phenotypical identity of hematopoietic stem cells, as well as cell cycle entry in single cell cultures of CD34- CD48- CD150+ Lineage- SCA1+ KIT+ cells supplemented with two growth factors. Strikingly, in comparison with cultures in serum-free medium with four growth factors, conditioned medium from mouse embryonic fibroblasts increases the numbers of proliferating clones and the number of Lineage- SCA1+ KIT+ cells, both with two and four growth factors. In addition, conditioned medium from mouse embryonic fibroblasts supports self-renewal in culture of cells with short- and long-term hematopoiesis-repopulating ability in vivo. These findings identify conditioned medium from mouse embryonic fibroblasts as a robust alternative serumfree source of factors to maintain self-renewal of in vivo-repopulating hematopoetic stem cells in culture.
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Affiliation(s)
- Sandra Marquez Romero
- Technical University of Munich, Klinikum rechts der Isar, Clinic and Polyclinic for Internal Medicine III, Munich, Germany; Technical University of Munich, Klinikum rechts der Isar, Department of Surgery, Munich
| | - Franziska Hettler
- Technical University of Munich, Klinikum rechts der Isar, Clinic and Polyclinic for Internal Medicine III, Munich
| | - Renate Hausinger
- Technical University of Munich, Klinikum rechts der Isar, Clinic and Polyclinic for Internal Medicine III, Munich
| | - Christina Schreck
- Technical University of Munich, Klinikum rechts der Isar, Clinic and Polyclinic for Internal Medicine III, Munich
| | - Theresa Landspersky
- Technical University of Munich, Klinikum rechts der Isar, Clinic and Polyclinic for Internal Medicine III, Munich
| | - Lynette Henkel
- Technical University of Munich, Flow Cytometry Unit of the Technical University Munich, Institute for Medical Microbiology, Immunology and Hygiene (CyTUM-MIH), Munich
| | - Corinne Angerpointner
- Technical University of Munich, Flow Cytometry Unit of the Technical University Munich, Institute for Medical Microbiology, Immunology and Hygiene (CyTUM-MIH), Munich
| | - Ihsan E Demir
- Technical University of Munich, Klinikum rechts der Isar, Department of Surgery, Munich
| | - Matthias Schiemann
- Technical University of Munich, Flow Cytometry Unit of the Technical University Munich, Institute for Medical Microbiology, Immunology and Hygiene (CyTUM-MIH), Munich
| | - Florian Bassermann
- Technical University of Munich, Klinikum rechts der Isar, Clinic and Polyclinic for Internal Medicine III, Munich, Germany; German Cancer Consortium (DKTK), Heidelberg
| | - Katharina S Götze
- Technical University of Munich, Klinikum rechts der Isar, Clinic and Polyclinic for Internal Medicine III, Munich, Germany; German Cancer Consortium (DKTK), Heidelberg
| | - Rouzanna Istvánffy
- Technical University of Munich, Klinikum rechts der Isar, Clinic and Polyclinic for Internal Medicine III, Munich, Germany; Technical University of Munich, Klinikum rechts der Isar, Department of Surgery, Munich
| | - Robert A J Oostendorp
- Technical University of Munich, Klinikum rechts der Isar, Clinic and Polyclinic for Internal Medicine III, Munich.
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22
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Helbling PM, Piñeiro-Yáñez E, Gerosa R, Boettcher S, Al-Shahrour F, Manz MG, Nombela-Arrieta C. Global Transcriptomic Profiling of the Bone Marrow Stromal Microenvironment during Postnatal Development, Aging, and Inflammation. Cell Rep 2020; 29:3313-3330.e4. [PMID: 31801092 DOI: 10.1016/j.celrep.2019.11.004] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 10/03/2019] [Accepted: 10/31/2019] [Indexed: 12/22/2022] Open
Abstract
Bone marrow (BM) stromal cells provide the regulatory framework for hematopoiesis and contribute to developmental stage-specific niches, such as those preserving hematopoietic stem cells. Despite advances in our understanding of stromal function, little is known about the transcriptional changes that this compartment undergoes throughout lifespan and during adaptation to stress. Using RNA sequencing, we perform transcriptional analyses of four principal stromal subsets, namely CXCL12-abundant reticular, platelet-derived growth factor receptor (PDGFR)-α+Sca1+, sinusoidal, and arterial endothelial cells, from early postnatal, adult, and aged mice. Our data reveal (1) molecular fingerprints defining cell-specific anatomical and functional features, (2) a radical reprogramming of pro-hematopoietic, immune, and matrisomic transcriptional programs during the transition from juvenile stages to adulthood, and (3) the aging-driven progressive upregulation of pro-inflammatory gene expression in stroma. We further demonstrate that transcriptomic pathways elicited in vivo by prototypic microbial molecules are largely recapitulated during aging, thereby supporting the inflammatory basis of age-related adaptations of BM hematopoietic function.
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Affiliation(s)
- Patrick M Helbling
- Department of Medical Oncology and Hematology, University Hospital and University of Zurich, 8091 Zurich, Switzerland
| | - Elena Piñeiro-Yáñez
- Bioinformatics Unit, Spanish National Cancer Research Center (CNIO), 28029 Madrid, Spain
| | - Rahel Gerosa
- Department of Medical Oncology and Hematology, University Hospital and University of Zurich, 8091 Zurich, Switzerland
| | - Steffen Boettcher
- Department of Medical Oncology and Hematology, University Hospital and University of Zurich, 8091 Zurich, Switzerland
| | - Fátima Al-Shahrour
- Bioinformatics Unit, Spanish National Cancer Research Center (CNIO), 28029 Madrid, Spain
| | - Markus G Manz
- Department of Medical Oncology and Hematology, University Hospital and University of Zurich, 8091 Zurich, Switzerland
| | - César Nombela-Arrieta
- Department of Medical Oncology and Hematology, University Hospital and University of Zurich, 8091 Zurich, Switzerland.
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23
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Mastelaro de Rezende M, Zenker Justo G, Julian Paredes-Gamero E, Gosens R. Wnt-5A/B Signaling in Hematopoiesis throughout Life. Cells 2020; 9:cells9081801. [PMID: 32751131 PMCID: PMC7465103 DOI: 10.3390/cells9081801] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 07/21/2020] [Accepted: 07/23/2020] [Indexed: 02/08/2023] Open
Abstract
Wnt signaling is well-known to play major roles in the hematopoietic system, from embryogenesis to aging and disease. In addition to the main β-catenin-dependent pathway, it is now clear that Wnt5a and the structurally related Wnt5b are essential for hematopoiesis, bone marrow colonization and the final steps of hematopoietic stem cell (HSC) maturation via β-catenin-independent signaling. Wnt5a and Wnt5b ligands prevent hematopoietic exhaustion (by maintaining quiescent, long-term HSCs), induce the proliferation of progenitors, and guide myeloid development, in addition to being involved in the development of aging-related alterations. The aim of this review is to summarize the current knowledge on these roles of Wnt5a and Wn5b signaling in the hematopoietic field.
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Affiliation(s)
- Marina Mastelaro de Rezende
- Departamento de Bioquímica, Universidade Federal de São Paulo (UNIFESP), São Paulo 04044-020, Brazil; (M.M.d.R.); (G.Z.J.); (E.J.P.-G.)
- Department of Molecular Pharmacology, University of Groningen, Groningen 9713 AV, The Netherlands
| | - Giselle Zenker Justo
- Departamento de Bioquímica, Universidade Federal de São Paulo (UNIFESP), São Paulo 04044-020, Brazil; (M.M.d.R.); (G.Z.J.); (E.J.P.-G.)
- Departamento de Ciências Farmacêuticas, Universidade Federal de São Paulo (UNIFESP), Diadema 09913-030, Brazil
| | - Edgar Julian Paredes-Gamero
- Departamento de Bioquímica, Universidade Federal de São Paulo (UNIFESP), São Paulo 04044-020, Brazil; (M.M.d.R.); (G.Z.J.); (E.J.P.-G.)
- Faculdade de Ciências Farmacêuticas, Universidade Federal de Mato Grosso do Sul, Campo Grande 79070-900, Brazil
| | - Reinoud Gosens
- Department of Molecular Pharmacology, University of Groningen, Groningen 9713 AV, The Netherlands
- Correspondence: ; Tel.: +31-50363-8177
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24
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Ryk modulates the niche activity of mesenchymal stromal cells by fine-tuning canonical Wnt signaling. Exp Mol Med 2020; 52:1140-1151. [PMID: 32724069 PMCID: PMC8080773 DOI: 10.1038/s12276-020-0477-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 04/02/2020] [Accepted: 04/02/2020] [Indexed: 12/12/2022] Open
Abstract
The importance of modulating the intensity of Wnt signaling has been highlighted in various biological models, but their mechanisms remain unclear. In this study, we found that Ryk—an atypical Wnt receptor with a pseudokinase domain—has a Wnt-modulating effect in bone marrow stromal cells to control hematopoiesis-supporting activities. We first found that Ryk is predominantly expressed in the mesenchymal stromal cells (MSCs) of the bone marrow (BM) compared with hematopoietic cells. Downregulation of Ryk in MSCs decreased their clonogenic activity and ability to support self-renewing expansion of primitive hematopoietic progenitors (HPCs) in response to canonical Wnt ligands. In contrast, under high concentrations of Wnt, Ryk exerted suppressive effects on the transactivation of target genes and HPC-supporting effects in MSCs, thus fine-tuning the signaling intensity of Wnt in BM stromal cells. This ability of Ryk to modulate the HPC-supporting niche activity of MSCs was abrogated by induction of deletion mutants of Ryk lacking the intracellular domain or extracellular domain, indicating that the pseudokinase-containing intracellular domain mediates the Wnt-modulating effects in response to extracellular Wnt ligands. These findings indicate that the ability of the BM microenvironment to respond to extracellular signals and support hematopoiesis may be fine-tuned by Ryk via modulation of Wnt signaling intensity to coordinate hematopoietic activity. Steady production of immune and blood cells depends on a signaling protein that helps maintain stable stem cell populations within the bone marrow. Hematopoietic stem cells (HSCs), which give rise to blood cells, reside within a supportive “niche” surrounded by mesenchymal stromal cells (MSCs), with extensive communication between the two populations. Researchers led by Il-Hoan Oh at The Catholic University of Korea, Seoul, have now identified a mechanism that MSCs employ to stabilize the niche environment through fine-tuning the signaling intensity of Wnt. Oh and colleagues focused on a signaling pathway that controls the undifferentiated state of HSCs, and showed that these signals are specifically modulated by an MSC protein known as Ryk. Without Ryk, MSCs can no longer promote HSC proliferation. However, when these signals are excessively strong, Ryk helps suppress proliferation to keep HSC numbers under control.
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25
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Diaphanous-related formin mDia2 regulates beta2 integrins to control hematopoietic stem and progenitor cell engraftment. Nat Commun 2020; 11:3172. [PMID: 32576838 PMCID: PMC7311390 DOI: 10.1038/s41467-020-16911-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 06/02/2020] [Indexed: 12/27/2022] Open
Abstract
Bone marrow engraftment of the hematopoietic stem and progenitor cells (HSPCs) involves homing to the vasculatures and lodgment to their niches. How HSPCs transmigrate from the vasculature to the niches is unclear. Here, we show that loss of diaphanous-related formin mDia2 leads to impaired engraftment of long-term hematopoietic stem cells and loss of competitive HSPC repopulation. These defects are likely due to the compromised trans-endothelial migration of HSPCs since their homing to the bone marrow vasculatures remained intact. Mechanistically, loss of mDia2 disrupts HSPC polarization and induced cytoplasmic accumulation of MAL, which deregulates the activity of serum response factor (SRF). We further reveal that beta2 integrins are transcriptional targets of SRF. Knockout of beta2 integrins in HSPCs phenocopies mDia2 deficient mice. Overexpression of SRF or beta2 integrins rescues HSPC engraftment defects associated with mDia2 deficiency. Our findings show that mDia2-SRF-beta2 integrin signaling is critical for HSPC lodgment to the niches. Bone marrow engraftment of haematopoietic stem and progenitor cells (HSPCs) requires homing and lodgement to the niche. Here, the authors show that mDia2 is required for HSPC polarization, nuclear MAL, and SRF-induced beta2 integrin expression during transendothelial migration of HSPCs required for engraftment.
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26
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Langford MB, O'Leary CJ, Veeraval L, White A, Lanoue V, Cooper HM. WNT5a Regulates Epithelial Morphogenesis in the Developing Choroid Plexus. Cereb Cortex 2020; 30:3617-3631. [PMID: 31912879 DOI: 10.1093/cercor/bhz330] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 12/06/2019] [Accepted: 12/08/2019] [Indexed: 12/13/2022] Open
Abstract
The choroid plexus (CP) is the predominant supplier of cerebral spinal fluid (CSF) and the site of the blood-CSF barrier and is thus essential for brain development and central nervous system homeostasis. Despite these crucial roles, our understanding of the molecular and cellular processes giving rise to the CPs within the ventricles of the mammalian brain is very rudimentary. Here, we identify WNT5a as an important regulator of CP development, where it acts as a pivotal factor driving CP epithelial morphogenesis in all ventricles. We show that WNT5a is essential for the establishment of a cohesive epithelium in the developing CP. We find that in its absence all CPs are substantially reduced in size and complexity and fail to expand into the ventricles. Severe defects were observed in the epithelial cytoarchitecture of all Wnt5a-/- CPs, exemplified by loss of apicobasally polarized morphology and detachment from the ventricular surface and/or basement membrane. We also present evidence that the WNT5a receptor, RYK, and the RHOA kinase, ROCK, are required for normal CP epithelial morphogenesis. Our study, therefore, reveals important insights into the molecular and cellular mechanisms governing CP development.
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Affiliation(s)
- Michael B Langford
- The University of Queensland, Queensland Brain Institute, Brisbane 4072, Australia and
| | - Conor J O'Leary
- The University of Queensland, Queensland Brain Institute, Brisbane 4072, Australia and
| | - Lenin Veeraval
- The University of Queensland, Queensland Brain Institute, Brisbane 4072, Australia and
| | - Amanda White
- The University of Queensland, Queensland Brain Institute, Brisbane 4072, Australia and
| | - Vanessa Lanoue
- The University of Queensland, Queensland Brain Institute, Brisbane 4072, Australia and.,Victor Chang Cardiac Research Institute, Darlinghurst 2010, Australia
| | - Helen M Cooper
- The University of Queensland, Queensland Brain Institute, Brisbane 4072, Australia and
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27
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de Rezende MM, Ng-Blichfeldt JP, Justo GZ, Paredes-Gamero EJ, Gosens R. Divergent effects of Wnt5b on IL-3- and GM-CSF-induced myeloid differentiation. Cell Signal 2019; 67:109507. [PMID: 31857239 PMCID: PMC7116107 DOI: 10.1016/j.cellsig.2019.109507] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 12/12/2019] [Accepted: 12/16/2019] [Indexed: 11/17/2022]
Abstract
The multiple specialized cell types of the hematopoietic system originate from differentiation of hematopoietic stem cells and progenitors (HSPC), which can generate both lymphoid and myeloid lineages. The myeloid lineage is preferentially maintained during ageing, but the mechanisms that contribute to this process are incompletely understood. Here, we studied the roles of Wnt5a and Wnt5b, ligands that have previously been linked to hematopoietic stem cell ageing and that are abundantly expressed by both hematopoietic progenitors and bone-marrow derived niche cells. Whereas Wnt5a had no major effects on primitive cell differentiation, Wnt5b had profound and divergent effects on cytokine-induced myeloid differentiation. Remarkably, while IL-3- mediated myeloid differentiation was largely repressed by Wnt5b, GM-CSF-induced myeloid differentiation was augmented. Furthermore, in the presence of IL-3, Wnt5b enhanced HSPC self-renewal, whereas in the presence ofGM-CSF, Wnt5b accelerated differentiation, leading to progenitor cell exhaustion. Our results highlight discrepancies between IL-3 and GM-CSF, and reveal novel effects of Wnt5b on the hematopoietic system.
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Affiliation(s)
- Marina Mastelaro de Rezende
- Departamento de Bioquímica, Universidade Federal de São Paulo (UNIFESP), São Paulo 04044-020, Brazil; Department of Molecular Pharmacology, University of Groningen, Groningen 9713AV, Netherlands
| | - John-Poul Ng-Blichfeldt
- Department of Molecular Pharmacology, University of Groningen, Groningen 9713AV, Netherlands; MRC Laboratory of Molecular Biology, Cambridge Biomedical Campus, Cambridge CB2 0QH, UK
| | - Giselle Zenker Justo
- Departamento de Bioquímica, Universidade Federal de São Paulo (UNIFESP), São Paulo 04044-020, Brazil; Departamento de Ciências Farmacêuticas, Universidade Federal de São Paulo (UNIFESP), Diadema 09913-030, Brazil
| | - Edgar Julian Paredes-Gamero
- Departamento de Bioquímica, Universidade Federal de São Paulo (UNIFESP), São Paulo 04044-020, Brazil; Faculdade de Ciências Farmacêuticas, Alimentos e Nutrição, Universidade Federal de Mato Grosso do Sul, 79070-900, Campo Grande, Mato Grosso do Sul, Brazil
| | - Reinoud Gosens
- Department of Molecular Pharmacology, University of Groningen, Groningen 9713AV, Netherlands.
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Mejia-Ramirez E, Florian MC. Understanding intrinsic hematopoietic stem cell aging. Haematologica 2019; 105:22-37. [PMID: 31806687 PMCID: PMC6939535 DOI: 10.3324/haematol.2018.211342] [Citation(s) in RCA: 76] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Accepted: 11/14/2019] [Indexed: 01/03/2023] Open
Abstract
Hematopoietic stem cells (HSC) sustain blood production over the entire life-span of an organism. It is of extreme importance that these cells maintain self-renewal and differentiation potential over time in order to preserve homeostasis of the hematopoietic system. Many of the intrinsic aspects of HSC are affected by the aging process resulting in a deterioration in their potential, independently of their microenvironment. Here we review recent findings characterizing most of the intrinsic aspects of aged HSC, ranging from phenotypic to molecular alterations. Historically, DNA damage was thought to be the main cause of HSC aging. However, over recent years, many new findings have defined an increasing number of biological processes that intrinsically change with age in HSC. Epigenetics and chromatin architecture, together with autophagy, proteostasis and metabolic changes, and how they are interconnected, are acquiring growing importance for understanding the intrinsic aging of stem cells. Given the increase in populations of older subjects worldwide, and considering that aging is the primary risk factor for most diseases, understanding HSC aging becomes particularly relevant also in the context of hematologic disorders, such as myelodysplastic syndromes and acute myeloid leukemia. Research on intrinsic mechanisms responsible for HSC aging is providing, and will continue to provide, new potential molecular targets to possibly ameliorate or delay aging of the hematopoietic system and consequently improve the outcome of hematologic disorders in the elderly. The niche-dependent contributions to hematopoietic aging are discussed in another review in this same issue of the Journal.
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Affiliation(s)
- Eva Mejia-Ramirez
- Center for Regenerative Medicine in Barcelona (CMRB), Bellvitge Institute for Biomedical Research (IDIBELL), Barcelona, Spain.,Center for Networked Biomedical Research on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, 28029, Spain
| | - Maria Carolina Florian
- Center for Regenerative Medicine in Barcelona (CMRB), Bellvitge Institute for Biomedical Research (IDIBELL), Barcelona, Spain .,Institute of Molecular Medicine and Stem Cell Aging, Ulm University, Ulm, Germany EM-R and MCF contributed equally to this work
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29
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Lin Z, He H, Wang M, Liang J. MicroRNA-130a controls bone marrow mesenchymal stem cell differentiation towards the osteoblastic and adipogenic fate. Cell Prolif 2019; 52:e12688. [PMID: 31557368 PMCID: PMC6869834 DOI: 10.1111/cpr.12688] [Citation(s) in RCA: 94] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 06/10/2019] [Accepted: 06/13/2019] [Indexed: 12/13/2022] Open
Abstract
Objectives With age, bone marrow mesenchymal stem cells (BMSC) have reduced ability of differentiating into osteoblasts but have increased ability of differentiating into adipocytes which leads to age‐related bone loss. MicroRNAs (miRNAs) play major roles in regulating BMSC differentiation. This paper explored the role of miRNAs in regulating BMSC differentiation swift fate in age‐related osteoporosis. Material and methods Mice and human BMSC were isolated from bone marrow, whose miR‐130a level was measured. The abilities of BMSC differentiate into osteoblast or fat cell under the transfected with agomiR‐130a or antagomiR‐130a were analysed by the level of ALP, osteocalcin, Runx2, osterix or peroxisome proliferator‐activated receptorγ (PPARγ), Fabp4. Related mechanism was verified via qT‐PCR, Western blotting (WB) and siRNA transfection. Animal phenotype intravenous injection with agomiR‐130a or agomiR‐NC was explored by Micro‐CT, immunochemistry and calcein double‐labelling. Results MiR‐130a was dramatically decreased in BMSC of advanced subjects. Overexpression of miR‐130a increased osteogenic differentiation of BMSC and attenuated adipogenic differentiation in BMSC, conversely, Inhibition of miR‐130a reduced osteogenic differentiation and facilitated lipid droplet formation. Consistently, overexpression of miR‐130a in elderly mice dropped off the bone loss. Furthermore, the protein levels of Smad regulatory factors 2 (Smurf2) and PPARγ were regulated by miR‐130a with an negative effect through directly combining the 3'UTR of Smurf2 and PPARγ. Conclusions The results indicated that miR‐130a promotes osteoblastic differentiation of BMSC by negatively regulating Smurf2 expression and suppresses adipogenic differentiation of BMSC by targeting the PPARγ, and supply a new target for clinical therapy of age‐related bone loss.
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Affiliation(s)
- Zhangyuan Lin
- Department of Orthopedic, Xiangya Hospital of Central South University, Changsha, China
| | - Hongbo He
- Department of Orthopedic, Xiangya Hospital of Central South University, Changsha, China
| | - Min Wang
- Department of Endocrinology, Xiangya Hospital of Central South University, Changsha, China
| | - Jieyu Liang
- Department of Orthopedic, Xiangya Hospital of Central South University, Changsha, China
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30
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Wnt4 from the Niche Controls the Mechano-Properties and Quiescent State of Muscle Stem Cells. Cell Stem Cell 2019; 25:654-665.e4. [PMID: 31495781 DOI: 10.1016/j.stem.2019.08.007] [Citation(s) in RCA: 85] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Revised: 04/19/2019] [Accepted: 08/12/2019] [Indexed: 12/31/2022]
Abstract
Satellite cells (SCs) reside in a dormant state during tissue homeostasis. The specific paracrine agents and niche cells that maintain SC quiescence remain unknown. We find that Wnt4 produced by the muscle fiber maintains SC quiescence through RhoA. Using cell-specific inducible genetics, we find that a Wnt4-Rho signaling axis constrains SC numbers and activation during tissue homeostasis in adult mice. Wnt4 activates Rho in quiescent SCs to maintain mechanical strain, restrict movement in the niche, and repress YAP. The induction of YAP upon disruption of RhoA is essential for SC activation under homeostasis. In the context of injury, the loss of Wnt4 from the niche accelerates SC activation and muscle repair, whereas overexpression of Wnt4 transitions SCs into a deeper state of quiescence and delays muscle repair. In conclusion, the SC pool undergoes dynamic transitions during early activation with changes in mechano-properties and cytoskeleton signaling preceding cell-cycle entry.
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31
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Gurska LM, Ames K, Gritsman K. Signaling Pathways in Leukemic Stem Cells. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1143:1-39. [PMID: 31338813 PMCID: PMC7249489 DOI: 10.1007/978-981-13-7342-8_1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Hematopoietic stem cells (HSCs) and leukemic stem cells (LSCs) utilize many of the same signaling pathways for their maintenance and survival. In this review, we will focus on several signaling pathways whose roles have been extensively studied in both HSCs and LSCs. Our main focus will be on the PI3K/AKT/mTOR pathway and several of its regulators and downstream effectors. We will also discuss several other signaling pathways of particular importance in LSCs, including the WNT/β-catenin pathway, the NOTCH pathway, and the TGFβ pathway. For each of these pathways, we will emphasize differences in how these pathways operate in LSCs, compared to their function in HSCs, to highlight opportunities for the specific therapeutic targeting of LSCs. We will also highlight areas of crosstalk between multiple signaling pathways that may affect LSC function.
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Affiliation(s)
- Lindsay M Gurska
- Department of Cell Biology, Albert Einstein College of Medicine, Bronx, New York, USA
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Kristina Ames
- Department of Cell Biology, Albert Einstein College of Medicine, Bronx, New York, USA
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Kira Gritsman
- Department of Cell Biology, Albert Einstein College of Medicine, Bronx, New York, USA.
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York, USA.
- Department of Medical Oncology, Montefiore Hospital, Bronx, New York, USA.
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Liu X, Ma Y, Li R, Guo D, Wang N, Zhao Y, Yin J, Ren Q, Lin Y, Ma X. Niche TWIST1 is critical for maintaining normal hematopoiesis and impeding leukemia progression. Haematologica 2018; 103:1969-1979. [PMID: 30026340 PMCID: PMC6269292 DOI: 10.3324/haematol.2018.190652] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Accepted: 07/17/2018] [Indexed: 01/09/2023] Open
Abstract
The bone marrow microenvironment regulates normal and malignant hematopoiesis, but the underlying molecular mechanisms remain poorly defined. Using a chimeric mice model, we demonstrate that Twist1 deletion in the bone marrow microenvironment results in alteration of multiple niche cells as well as downregulated expression of major hematopoietic stem cell supportive factors. The perturbed microenvironment reduces hematopoietic stem cell homing and retention, impairs hematopoietic stem cell self-renewal and induces myeloid skewing. Nevertheless, it accelerates the progression of MLL-AF9 leukemia, which is partially mediated by Jagged-2-dependent Notch signaling. Our data provide the first demonstration of a pivotal role of TWIST1 in favoring normal hematopoiesis and hampering leukemia development. They also bring new insights into the role of the bone marrow niche in driving the development of acute myeloid leukemia, and suggest possible new avenues, exploiting the niche, to improve leukemia treatments.
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Affiliation(s)
- Xiaoyan Liu
- State Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
| | - Yanping Ma
- State Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
| | - Rongrong Li
- State Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
| | - Dan Guo
- State Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
| | - Nan Wang
- State Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
| | - Yangyang Zhao
- State Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
| | - Jing Yin
- State Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
| | - Qian Ren
- State Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
| | - Yongmin Lin
- State Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
| | - Xiaotong Ma
- State Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
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Hamidi S, Sheng G. Epithelial-mesenchymal transition in haematopoietic stem cell development and homeostasis. J Biochem 2018; 164:265-275. [DOI: 10.1093/jb/mvy063] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Accepted: 07/14/2018] [Indexed: 12/18/2022] Open
Affiliation(s)
- Sofiane Hamidi
- Laboratory of Developmental Morphogenesis, International Research Center for Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Guojun Sheng
- Laboratory of Developmental Morphogenesis, International Research Center for Medical Sciences, Kumamoto University, Kumamoto, Japan
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Habringer S, Lapa C, Herhaus P, Schottelius M, Istvanffy R, Steiger K, Slotta-Huspenina J, Schirbel A, Hänscheid H, Kircher S, Buck AK, Götze K, Vick B, Jeremias I, Schwaiger M, Peschel C, Oostendorp R, Wester HJ, Grigoleit GU, Keller U. Dual Targeting of Acute Leukemia and Supporting Niche by CXCR4-Directed Theranostics. Theranostics 2018; 8:369-383. [PMID: 29290814 PMCID: PMC5743554 DOI: 10.7150/thno.21397] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Accepted: 10/12/2017] [Indexed: 12/26/2022] Open
Abstract
C-X-C chemokine receptor 4 (CXCR4) is a transmembrane receptor with pivotal roles in cell homing and hematopoiesis. CXCR4 is also involved in survival, proliferation and dissemination of cancer, including acute lymphoblastic and myeloid leukemia (ALL, AML). Relapsed/refractory ALL and AML are frequently resistant to conventional therapy and novel highly active strategies are urgently needed to overcome resistance. Methods: We used patient-derived (PDX) and cell line-based xenograft mouse models of ALL and AML to evaluate the efficacy and toxicity of a CXCR4-targeted endoradiotherapy (ERT) theranostic approach. Results: The positron emission tomography (PET) tracer 68Ga-Pentixafor enabled visualization of CXCR4 positive leukemic burden. In xenografts, CXCR4-directed ERT with 177Lu-Pentixather distributed to leukemia harboring organs and resulted in efficient reduction of leukemia. Despite a substantial in vivo cross-fire effect to the leukemia microenvironment, mesenchymal stem cells (MSCs) subjected to ERT were viable and capable of supporting the growth and differentiation of non-targeted normal hematopoietic cells ex vivo. Finally, three patients with refractory AML after first allogeneic hematopoietic stem cell transplantation (alloSCT) underwent CXCR4-directed ERT resulting in leukemia clearance, second alloSCT, and successful hematopoietic engraftment. Conclusion: Targeting CXCR4 with ERT is feasible and provides a highly efficient means to reduce refractory acute leukemia for subsequent cellular therapies. Prospective clinical trials testing the incorporation of CXCR4 targeting into conditioning regimens for alloSCT are highly warranted.
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Affiliation(s)
- Stefan Habringer
- Internal Medicine III, Hematology and Medical Oncology, Technische Universität München, Munich, Germany
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Constantin Lapa
- Department of Nuclear Medicine, University Hospital Würzburg, Würzburg, Germany
| | - Peter Herhaus
- Internal Medicine III, Hematology and Medical Oncology, Technische Universität München, Munich, Germany
| | - Margret Schottelius
- Institute of Pharmaceutical Radiochemistry, Technische Universität München, Garching, Germany
| | - Rouzanna Istvanffy
- Internal Medicine III, Hematology and Medical Oncology, Technische Universität München, Munich, Germany
| | - Katja Steiger
- Institute of Pathology, Technische Universität München, Munich, Germany
| | | | - Andreas Schirbel
- Department of Nuclear Medicine, University Hospital Würzburg, Würzburg, Germany
| | - Heribert Hänscheid
- Department of Nuclear Medicine, University Hospital Würzburg, Würzburg, Germany
| | - Stefan Kircher
- Institute for Pathology, University of Würzburg, Würzburg, Germany
| | - Andreas K. Buck
- Department of Nuclear Medicine, University Hospital Würzburg, Würzburg, Germany
| | - Katharina Götze
- Internal Medicine III, Hematology and Medical Oncology, Technische Universität München, Munich, Germany
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Binje Vick
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
- Research Unit Gene Vectors, Helmholtz Center Munich, Germany
| | - Irmela Jeremias
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
- Research Unit Gene Vectors, Helmholtz Center Munich, Germany
| | - Markus Schwaiger
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Nuclear Medicine, Technische Universität München, Munich, Germany
| | - Christian Peschel
- Internal Medicine III, Hematology and Medical Oncology, Technische Universität München, Munich, Germany
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Robert Oostendorp
- Internal Medicine III, Hematology and Medical Oncology, Technische Universität München, Munich, Germany
| | - Hans-Jürgen Wester
- Institute of Pharmaceutical Radiochemistry, Technische Universität München, Garching, Germany
| | - Götz-Ulrich Grigoleit
- Department of Internal Medicine II, Hematology and Medical Oncology, University Hospital Würzburg, Würzburg, Germany
| | - Ulrich Keller
- Internal Medicine III, Hematology and Medical Oncology, Technische Universität München, Munich, Germany
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
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Liao M, Wang J. Mechanisms of Hematopoietic Stem Cell Ageing and Targets for Hematopoietic Tumour Prevention. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1086:117-140. [PMID: 30232756 DOI: 10.1007/978-981-13-1117-8_8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Hematopoietic stem cells represent a rare population in the bone marrow, with the capacity of generating all blood lineage and themselves at the same time. With aging, the reconstitution capacity of hematopoietic stem cells decreases accompanying with differentiation skewing wherein the myeloid branch dominates in both mouse and human. In recent years, various molecular mechanisms that induce functional decline of HSC during aging were disclosed including DNA damage accumulation, metabolic alteration, defects in protein homeostasis, and aging-induced changes in the blood circulatory environment. Deciphering the nature of HSC aging could improve our knowledge of HSC aging-related diseases and furthermore promote the developing of therapeutic interventions for human HSC aging and diseases.
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Affiliation(s)
- Min Liao
- School of Pharmaceutical Sciences, Tsinghua University, Beijing, China
| | - Jianwei Wang
- School of Pharmaceutical Sciences, Tsinghua University, Beijing, China.
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Camacho V, McClearn V, Patel S, Welner RS. Regulation of normal and leukemic stem cells through cytokine signaling and the microenvironment. Int J Hematol 2017; 105:566-577. [DOI: 10.1007/s12185-017-2184-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Accepted: 01/23/2017] [Indexed: 12/31/2022]
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