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Nadel G, Yao Z, Wainstein E, Cohen I, Ben-Ami I, Schajnovitz A, Maik-Rachline G, Naor Z, Horwitz BA, Seger R. GqPCR-stimulated dephosphorylation of AKT is induced by an IGBP1-mediated PP2A switch. Cell Commun Signal 2022; 20:5. [PMID: 34998390 PMCID: PMC8742922 DOI: 10.1186/s12964-021-00805-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 11/18/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND G protein-coupled receptors (GPCRs) usually regulate cellular processes via activation of intracellular signaling pathways. However, we have previously shown that in several cell lines, GqPCRs induce immediate inactivation of the AKT pathway, which leads to JNK-dependent apoptosis. This apoptosis-inducing AKT inactivation is essential for physiological functions of several GqPCRs, including those for PGF2α and GnRH. METHODS Here we used kinase activity assays of PI3K and followed phosphorylation state of proteins using specific antibodies. In addition, we used coimmunoprecipitation and proximity ligation assays to follow protein-protein interactions. Apoptosis was detected by TUNEL assay and PARP1 cleavage. RESULTS We identified the mechanism that allows the unique stimulated inactivation of AKT and show that the main regulator of this process is the phosphatase PP2A, operating with the non-canonical regulatory subunit IGBP1. In resting cells, an IGBP1-PP2Ac dimer binds to PI3K, dephosphorylates the inhibitory pSer608-p85 of PI3K and thus maintains its high basal activity. Upon GqPCR activation, the PP2Ac-IGBP1 dimer detaches from PI3K and thus allows the inhibitory dephosphorylation. At this stage, the free PP2Ac together with IGBP1 and PP2Aa binds to AKT, causing its dephosphorylation and inactivation. CONCLUSION Our results show a stimulated shift of PP2Ac from PI3K to AKT termed "PP2A switch" that represses the PI3K/AKT pathway, providing a unique mechanism of GPCR-stimulated dephosphorylation. Video Abstract.
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Affiliation(s)
- Guy Nadel
- Departments of Biological Regulation, The Weizmann Institute of Science, Rehovot, Israel
| | - Zhong Yao
- Departments of Biological Regulation, The Weizmann Institute of Science, Rehovot, Israel
| | - Ehud Wainstein
- Departments of Biological Regulation, The Weizmann Institute of Science, Rehovot, Israel
| | - Izel Cohen
- Departments of Biological Regulation, The Weizmann Institute of Science, Rehovot, Israel
| | - Ido Ben-Ami
- Departments of Biological Regulation, The Weizmann Institute of Science, Rehovot, Israel.,IVF and Fertility Unit, Department of OB/GYN, Shaare Zedek Medical Center and The Hebrew University Medical School, Jerusalem, Israel
| | - Amir Schajnovitz
- Departments of Biological Regulation, The Weizmann Institute of Science, Rehovot, Israel
| | - Galia Maik-Rachline
- Departments of Biological Regulation, The Weizmann Institute of Science, Rehovot, Israel
| | - Zvi Naor
- Department of Biochemistry and Molecular Biology, Tel Aviv University, Tel Aviv, Israel
| | - Benjamin A Horwitz
- Departments of Biological Regulation, The Weizmann Institute of Science, Rehovot, Israel.,Faculty of Biology, Technion-Israel Institute of Technology, Haifa, Israel
| | - Rony Seger
- Departments of Biological Regulation, The Weizmann Institute of Science, Rehovot, Israel.
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2
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van Gastel N, Spinelli JB, Sharda A, Schajnovitz A, Baryawno N, Rhee C, Oki T, Grace E, Soled HJ, Milosevic J, Sykes DB, Hsu PP, Vander Heiden MG, Vidoudez C, Trauger SA, Haigis MC, Scadden DT. Induction of a Timed Metabolic Collapse to Overcome Cancer Chemoresistance. Cell Metab 2020; 32:391-403.e6. [PMID: 32763164 PMCID: PMC8397232 DOI: 10.1016/j.cmet.2020.07.009] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 05/26/2020] [Accepted: 07/15/2020] [Indexed: 12/11/2022]
Abstract
Cancer relapse begins when malignant cells pass through the extreme metabolic bottleneck of stress from chemotherapy and the byproducts of the massive cell death in the surrounding region. In acute myeloid leukemia, complete remissions are common, but few are cured. We tracked leukemia cells in vivo, defined the moment of maximal response following chemotherapy, captured persisting cells, and conducted unbiased metabolomics, revealing a metabolite profile distinct from the pre-chemo growth or post-chemo relapse phase. Persisting cells used glutamine in a distinctive manner, preferentially fueling pyrimidine and glutathione generation, but not the mitochondrial tricarboxylic acid cycle. Notably, malignant cell pyrimidine synthesis also required aspartate provided by specific bone marrow stromal cells. Blunting glutamine metabolism or pyrimidine synthesis selected against residual leukemia-initiating cells and improved survival in leukemia mouse models and patient-derived xenografts. We propose that timed cell-intrinsic or niche-focused metabolic disruption can exploit a transient vulnerability and induce metabolic collapse in cancer cells to overcome chemoresistance.
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Affiliation(s)
- Nick van Gastel
- Department of Stem Cell and Regenerative Biology, Harvard Stem Cell Institute, Harvard University, Cambridge, MA 02138, USA; Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Jessica B Spinelli
- Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Azeem Sharda
- Department of Stem Cell and Regenerative Biology, Harvard Stem Cell Institute, Harvard University, Cambridge, MA 02138, USA; Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Amir Schajnovitz
- Department of Stem Cell and Regenerative Biology, Harvard Stem Cell Institute, Harvard University, Cambridge, MA 02138, USA; Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Ninib Baryawno
- Department of Stem Cell and Regenerative Biology, Harvard Stem Cell Institute, Harvard University, Cambridge, MA 02138, USA; Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA; Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, Stockholm 17177, Sweden
| | - Catherine Rhee
- Department of Stem Cell and Regenerative Biology, Harvard Stem Cell Institute, Harvard University, Cambridge, MA 02138, USA; Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Toshihiko Oki
- Department of Stem Cell and Regenerative Biology, Harvard Stem Cell Institute, Harvard University, Cambridge, MA 02138, USA; Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Eliane Grace
- Department of Stem Cell and Regenerative Biology, Harvard Stem Cell Institute, Harvard University, Cambridge, MA 02138, USA; Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Heather J Soled
- Department of Stem Cell and Regenerative Biology, Harvard Stem Cell Institute, Harvard University, Cambridge, MA 02138, USA; Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Jelena Milosevic
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - David B Sykes
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Peggy P Hsu
- Koch Institute for Integrative Cancer Research and Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Dana-Farber Cancer Institute, Boston, MA 02115, USA; Cancer Center, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Matthew G Vander Heiden
- Koch Institute for Integrative Cancer Research and Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Dana-Farber Cancer Institute, Boston, MA 02115, USA
| | - Charles Vidoudez
- FAS Small Molecule Mass Spectrometry Facility, Harvard University, Cambridge, MA 02138, USA
| | - Sunia A Trauger
- FAS Small Molecule Mass Spectrometry Facility, Harvard University, Cambridge, MA 02138, USA
| | - Marcia C Haigis
- Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - David T Scadden
- Department of Stem Cell and Regenerative Biology, Harvard Stem Cell Institute, Harvard University, Cambridge, MA 02138, USA; Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA.
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3
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Mercier F, Shi J, Sykes D, Oki T, Miller E, Vasic R, Zhu A, Severe N, Schajnovitz A, Man CH, Kfoury Y, Lee D, Doench J, Hide W, Michor F, Scadden D. In Vivo Profiling of Leukemic Stem Cell Fitness Identifies Therapeutically Actionable Determinants of Growth. Exp Hematol 2018. [DOI: 10.1016/j.exphem.2018.06.095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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4
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Shao L, Chang J, Feng W, Wang X, Williamson EA, Li Y, Schajnovitz A, Scadden D, Mortensen LJ, Lin CP, Li L, Paulson A, Downing J, Zhou D, Hromas RA. The Wave2 scaffold Hem-1 is required for transition of fetal liver hematopoiesis to bone marrow. Nat Commun 2018; 9:2377. [PMID: 29915352 PMCID: PMC6006146 DOI: 10.1038/s41467-018-04716-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Accepted: 05/16/2018] [Indexed: 01/08/2023] Open
Abstract
The transition of hematopoiesis from the fetal liver (FL) to the bone marrow (BM) is incompletely characterized. We demonstrate that the Wiskott–Aldrich syndrome verprolin-homologous protein (WAVE) complex 2 is required for this transition, as complex degradation via deletion of its scaffold Hem-1 causes the premature exhaustion of neonatal BM hematopoietic stem cells (HSCs). This exhaustion of BM HSC is due to the failure of BM engraftment of Hem-1−/− FL HSCs, causing early death. The Hem-1−/− FL HSC engraftment defect is not due to the lack of the canonical function of the WAVE2 complex, the regulation of actin polymerization, because FL HSCs from Hem-1−/− mice exhibit no defects in chemotaxis, BM homing, or adhesion. Rather, the failure of Hem-1−/− FL HSC engraftment in the marrow is due to the loss of c-Abl survival signaling from degradation of the WAVE2 complex. However, c-Abl activity is dispensable for the engraftment of adult BM HSCs into the BM. These findings reveal a novel function of the WAVE2 complex and define a mechanism for FL HSC fitness in the embryonic BM niche. Hematopoietic stem cells (HSCs) migrate from the fetal liver to the bone marrow (BM) during embryogenesis. Here the authors show that the WAVE2 complex scaffold Hem1 is required for engraftment of HSCs in BM, not through its canonical role regulating actin polymerization, but through c-Abl survival signaling.
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Affiliation(s)
- Lijian Shao
- Department of Pharmacology, University of Illinois Chicago, Chicago, IL, 60612, USA
| | - Jianhui Chang
- Department of Pharmaceutical Sciences and Winthrop P. Rockefeller Cancer Institute, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA
| | - Wei Feng
- Department of Pharmaceutical Sciences and Winthrop P. Rockefeller Cancer Institute, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA
| | - Xiaoyan Wang
- Department of Pharmaceutical Sciences and Winthrop P. Rockefeller Cancer Institute, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA
| | - Elizabeth A Williamson
- Department of Medicine and Pathology, University of Florida, Gainesville, FL, 32610, USA
| | - Ying Li
- Department of Medicine and Pathology, University of Florida, Gainesville, FL, 32610, USA
| | - Amir Schajnovitz
- Stem Cell and Regenerative Biology Department, Harvard University, Cambridge, 02138, MA, USA.,Center for Regenerative Medicine, Massachusetts General Hospital, Boston, 02114, MA, USA.,Harvard Stem Cell Institute, Cambridge, MA, 02138, USA
| | - David Scadden
- Stem Cell and Regenerative Biology Department, Harvard University, Cambridge, 02138, MA, USA
| | - Luke J Mortensen
- Regenerative Medicine Center, University of Georgia, Athens, GA, 30602, USA
| | - Charles P Lin
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Linheng Li
- Department of Pathology and Laboratory, Medicine University of Kansas, Kansas City, 66160, KA, USA
| | - Ariel Paulson
- Department of Pathology and Laboratory, Medicine University of Kansas, Kansas City, 66160, KA, USA.,Stowers Institute for Medical Research, Kansas City, MO, 66160, USA
| | - James Downing
- Department of Pathology and Laboratory Medicine, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Daohong Zhou
- Department of Pharmaceutical Sciences and Winthrop P. Rockefeller Cancer Institute, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA. .,Department of Pharmacodynamics, University of Florida, Gainesville, FL, 32610, USA.
| | - Robert A Hromas
- Office of the Dean and the Cancer Center, Long School of Medicine, University of Texas Health Science Center, San Antonio, TX, 78229, USA.
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5
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Hoggatt J, Singh P, Tate TA, Chou BK, Datari SR, Fukuda S, Liu L, Kharchenko PV, Schajnovitz A, Baryawno N, Mercier FE, Boyer J, Gardner J, Morrow DM, Scadden DT, Pelus LM. Rapid Mobilization Reveals a Highly Engraftable Hematopoietic Stem Cell. Cell 2017; 172:191-204.e10. [PMID: 29224778 DOI: 10.1016/j.cell.2017.11.003] [Citation(s) in RCA: 81] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Revised: 10/02/2017] [Accepted: 10/31/2017] [Indexed: 12/21/2022]
Abstract
Hematopoietic stem cell transplantation is a potential curative therapy for malignant and nonmalignant diseases. Improving the efficiency of stem cell collection and the quality of the cells acquired can broaden the donor pool and improve patient outcomes. We developed a rapid stem cell mobilization regimen utilizing a unique CXCR2 agonist, GROβ, and the CXCR4 antagonist AMD3100. A single injection of both agents resulted in stem cell mobilization peaking within 15 min that was equivalent in magnitude to a standard multi-day regimen of granulocyte colony-stimulating factor (G-CSF). Mechanistic studies determined that rapid mobilization results from synergistic signaling on neutrophils, resulting in enhanced MMP-9 release, and unexpectedly revealed genetic polymorphisms in MMP-9 that alter activity. This mobilization regimen results in preferential trafficking of stem cells that demonstrate a higher engraftment efficiency than those mobilized by G-CSF. Our studies suggest a potential new strategy for the rapid collection of an improved hematopoietic graft.
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Affiliation(s)
- Jonathan Hoggatt
- Harvard Medical School, Cancer Center and Center for Transplantation Sciences, Massachusetts General Hospital, Boston, MA 02129, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA.
| | - Pratibha Singh
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Tiffany A Tate
- Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA
| | - Bin-Kuan Chou
- Harvard Medical School, Cancer Center and Center for Transplantation Sciences, Massachusetts General Hospital, Boston, MA 02129, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA
| | - Shruti R Datari
- Harvard Medical School, Cancer Center and Center for Transplantation Sciences, Massachusetts General Hospital, Boston, MA 02129, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA
| | - Seiji Fukuda
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Liqiong Liu
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Peter V Kharchenko
- Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Department of Biomedical Informatics, Harvard Medical School, Boston, MA 02115, USA
| | - Amir Schajnovitz
- Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Ninib Baryawno
- Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Francois E Mercier
- Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Joseph Boyer
- Department of Statistical Sciences, GlaxoSmithKline, Collegeville, PA 19426, USA; GlaxoSmithKline, Collegeville, PA 19426, USA
| | | | | | - David T Scadden
- Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA.
| | - Louis M Pelus
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
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6
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Sykes DB, Kfoury YS, Mercier FE, Wawer MJ, Law JM, Haynes MK, Lewis TA, Schajnovitz A, Jain E, Lee D, Meyer H, Pierce KA, Tolliday NJ, Waller A, Ferrara SJ, Eheim AL, Stoeckigt D, Maxcy KL, Cobert JM, Bachand J, Szekely BA, Mukherjee S, Sklar LA, Kotz JD, Clish CB, Sadreyev RI, Clemons PA, Janzer A, Schreiber SL, Scadden DT. Inhibition of Dihydroorotate Dehydrogenase Overcomes Differentiation Blockade in Acute Myeloid Leukemia. Cell 2016; 167:171-186.e15. [PMID: 27641501 DOI: 10.1016/j.cell.2016.08.057] [Citation(s) in RCA: 307] [Impact Index Per Article: 38.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Revised: 06/01/2016] [Accepted: 08/23/2016] [Indexed: 10/21/2022]
Abstract
While acute myeloid leukemia (AML) comprises many disparate genetic subtypes, one shared hallmark is the arrest of leukemic myeloblasts at an immature and self-renewing stage of development. Therapies that overcome differentiation arrest represent a powerful treatment strategy. We leveraged the observation that the majority of AML, despite their genetically heterogeneity, share in the expression of HoxA9, a gene normally downregulated during myeloid differentiation. Using a conditional HoxA9 model system, we performed a high-throughput phenotypic screen and defined compounds that overcame differentiation blockade. Target identification led to the unanticipated discovery that inhibition of the enzyme dihydroorotate dehydrogenase (DHODH) enables myeloid differentiation in human and mouse AML models. In vivo, DHODH inhibitors reduced leukemic cell burden, decreased levels of leukemia-initiating cells, and improved survival. These data demonstrate the role of DHODH as a metabolic regulator of differentiation and point to its inhibition as a strategy for overcoming differentiation blockade in AML.
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Affiliation(s)
- David B Sykes
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA; Cancer Center, Massachusetts General Hospital, Boston, MA 02114, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA.
| | - Youmna S Kfoury
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA
| | - François E Mercier
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA
| | - Mathias J Wawer
- Center for the Development of Therapeutics, Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Jason M Law
- Center for the Science of Therapeutics, Broad Institute, Cambridge, MA 02142, USA; Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA 02138, USA
| | - Mark K Haynes
- Center for Molecular Discovery, University of New Mexico, Albuquerque, NM 87131, USA
| | - Timothy A Lewis
- Center for the Science of Therapeutics, Broad Institute, Cambridge, MA 02142, USA
| | - Amir Schajnovitz
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA
| | - Esha Jain
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Dongjun Lee
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA
| | | | - Kerry A Pierce
- Metabolite Profiling Platform, Broad Institute, Cambridge, MA 02142, USA
| | - Nicola J Tolliday
- Center for the Development of Therapeutics, Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Anna Waller
- Center for Molecular Discovery, University of New Mexico, Albuquerque, NM 87131, USA
| | - Steven J Ferrara
- Center for the Development of Therapeutics, Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | | | | | - Katrina L Maxcy
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Julien M Cobert
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Jacqueline Bachand
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Brian A Szekely
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Siddhartha Mukherjee
- Irving Cancer Research Center, Columbia University School of Medicine, New York, NY 10032, USA
| | - Larry A Sklar
- Center for Molecular Discovery, University of New Mexico, Albuquerque, NM 87131, USA
| | - Joanne D Kotz
- Center for the Science of Therapeutics, Broad Institute, Cambridge, MA 02142, USA
| | - Clary B Clish
- Metabolite Profiling Platform, Broad Institute, Cambridge, MA 02142, USA
| | - Ruslan I Sadreyev
- Department of Molecular Biology, Massachusetts General Hospital, Boston, MA 02114, USA; Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Paul A Clemons
- Center for the Science of Therapeutics, Broad Institute, Cambridge, MA 02142, USA
| | | | - Stuart L Schreiber
- Center for the Science of Therapeutics, Broad Institute, Cambridge, MA 02142, USA; Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA 02138, USA; Howard Hughes Medical Institute, Cambridge, MA 02138, USA
| | - David T Scadden
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA; Cancer Center, Massachusetts General Hospital, Boston, MA 02114, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA.
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7
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Palchaudhuri R, Saez B, Hoggatt J, Schajnovitz A, Sykes DB, Tate TA, Czechowicz A, Kfoury Y, Ruchika F, Rossi DJ, Verdine GL, Mansour MK, Scadden DT. Non-genotoxic conditioning for hematopoietic stem cell transplantation using a hematopoietic-cell-specific internalizing immunotoxin. Nat Biotechnol 2016; 34:738-45. [PMID: 27272386 PMCID: PMC5179034 DOI: 10.1038/nbt.3584] [Citation(s) in RCA: 138] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Accepted: 04/27/2016] [Indexed: 12/31/2022]
Abstract
Hematopoietic stem cell transplantation (HSCT) offers curative therapy for patients with hemoglobinopathies, congenital immunodeficiencies, and other conditions, possibly including AIDS. Autologous HSCT using genetically corrected cells would avoid the risk of graft-versus-host disease (GVHD), but the genotoxicity of conditioning remains a substantial barrier to the development of this approach. Here we report an internalizing immunotoxin targeting the hematopoietic-cell-restricted CD45 receptor that effectively conditions immunocompetent mice. A single dose of the immunotoxin, CD45-saporin (SAP), enabled efficient (>90%) engraftment of donor cells and full correction of a sickle-cell anemia model. In contrast to irradiation, CD45-SAP completely avoided neutropenia and anemia, spared bone marrow and thymic niches, enabling rapid recovery of T and B cells, preserved anti-fungal immunity, and had minimal overall toxicity. This non-genotoxic conditioning method may provide an attractive alternative to current conditioning regimens for HSCT in the treatment of non-malignant blood diseases.
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Affiliation(s)
- Rahul Palchaudhuri
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts, USA.,Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA.,Harvard Stem Cell Institute, Cambridge, Massachusetts, USA.,Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts, USA
| | - Borja Saez
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts, USA.,Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA.,Harvard Stem Cell Institute, Cambridge, Massachusetts, USA
| | - Jonathan Hoggatt
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts, USA.,Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA.,Harvard Stem Cell Institute, Cambridge, Massachusetts, USA
| | - Amir Schajnovitz
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts, USA.,Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA.,Harvard Stem Cell Institute, Cambridge, Massachusetts, USA
| | - David B Sykes
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts, USA.,Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA.,Harvard Stem Cell Institute, Cambridge, Massachusetts, USA
| | - Tiffany A Tate
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts, USA.,Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA.,Harvard Stem Cell Institute, Cambridge, Massachusetts, USA
| | - Agnieszka Czechowicz
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts, USA.,Harvard Stem Cell Institute, Cambridge, Massachusetts, USA.,Program in Cellular and Molecular Medicine, Division of Hematology/Oncology, Boston Children's Hospital, Boston, Massachusetts, USA.,Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA.,Department of Pediatric Oncology, Dana Farber Cancer Institute, Boston, Massachusetts, USA
| | - Youmna Kfoury
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts, USA.,Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA.,Harvard Stem Cell Institute, Cambridge, Massachusetts, USA
| | - Fnu Ruchika
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts, USA.,Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA.,Harvard Stem Cell Institute, Cambridge, Massachusetts, USA
| | - Derrick J Rossi
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts, USA.,Harvard Stem Cell Institute, Cambridge, Massachusetts, USA.,Program in Cellular and Molecular Medicine, Division of Hematology/Oncology, Boston Children's Hospital, Boston, Massachusetts, USA.,Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
| | - Gregory L Verdine
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts, USA.,Harvard Stem Cell Institute, Cambridge, Massachusetts, USA.,Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts, USA
| | - Michael K Mansour
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - David T Scadden
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts, USA.,Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA.,Harvard Stem Cell Institute, Cambridge, Massachusetts, USA
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8
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Ludin A, Itkin T, Gur-Cohen S, Mildner A, Shezen E, Golan K, Kollet O, Kalinkovich A, Porat Z, D'Uva G, Schajnovitz A, Voronov E, Brenner DA, Apte RN, Jung S, Lapidot T. Monocytes-macrophages that express α-smooth muscle actin preserve primitive hematopoietic cells in the bone marrow. Nat Immunol 2012; 13:1072-82. [DOI: 10.1038/ni.2408] [Citation(s) in RCA: 166] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2012] [Accepted: 07/30/2012] [Indexed: 12/17/2022]
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Dar A, Schajnovitz A, Lapid K, Kalinkovich A, Itkin T, Ludin A, Kao WM, Battista M, Tesio M, Kollet O, Cohen NN, Margalit R, Buss EC, Baleux F, Oishi S, Fujii N, Larochelle A, Dunbar CE, Broxmeyer HE, Frenette PS, Lapidot T. Erratum: Rapid mobilization of hematopoietic progenitors by AMD3100 and catecholamines is mediated by CXCR4-dependent SDF-1 release from bone marrow stromal cells. Leukemia 2011. [DOI: 10.1038/leu.2011.132] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Dar A, Schajnovitz A, Lapid K, Kalinkovich A, Itkin T, Ludin A, Kao WM, Battista M, Tesio M, Kollet O, Cohen NN, Margalit R, Buss EC, Baleux F, Oishi S, Fujii N, Larochelle A, Dunbar CE, Broxmeyer HE, Frenette PS, Lapidot T. Rapid mobilization of hematopoietic progenitors by AMD3100 and catecholamines is mediated by CXCR4-dependent SDF-1 release from bone marrow stromal cells. Leukemia 2011; 25:1286-1296. [PMID: 21494253 DOI: 10.1038/leu.2011.62] [Citation(s) in RCA: 158] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Steady-state egress of hematopoietic progenitor cells can be rapidly amplified by mobilizing agents such as AMD3100, the mechanism, however, is poorly understood. We report that AMD3100 increased the homeostatic release of the chemokine stromal cell derived factor-1 (SDF-1) to the circulation in mice and non-human primates. Neutralizing antibodies against CXCR4 or SDF-1 inhibited both steady state and AMD3100-induced SDF-1 release and reduced egress of murine progenitor cells over mature leukocytes. Intra-bone injection of biotinylated SDF-1 also enhanced release of this chemokine and murine progenitor cell mobilization. AMD3100 directly induced SDF-1 release from CXCR4(+) human bone marrow osteoblasts and endothelial cells and activated uPA in a CXCR4/JNK-dependent manner. Additionally, ROS inhibition reduced AMD3100-induced SDF-1 release, activation of circulating uPA and mobilization of progenitor cells. Norepinephrine treatment, mimicking acute stress, rapidly increased SDF-1 release and progenitor cell mobilization, whereas β2-adrenergic antagonist inhibited both steady state and AMD3100-induced SDF-1 release and progenitor cell mobilization in mice. In conclusion, this study reveals that SDF-1 release from bone marrow stromal cells to the circulation emerges as a pivotal mechanism essential for steady-state egress and rapid mobilization of hematopoietic progenitor cells, but not mature leukocytes.
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Affiliation(s)
- Ayelet Dar
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
| | - Amir Schajnovitz
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
| | - Kfir Lapid
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
| | | | - Tomer Itkin
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
| | - Aya Ludin
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
| | - Wei-Ming Kao
- Department of Medicine, Immunology Institute, and Black Family Stem Cell Institute, Mount Sinai School of Medicine, New York, New York, USA
| | - Michela Battista
- Department of Medicine, Immunology Institute, and Black Family Stem Cell Institute, Mount Sinai School of Medicine, New York, New York, USA
| | - Melania Tesio
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
| | - Orit Kollet
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
| | - Neta Netzer Cohen
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
| | - Raanan Margalit
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
| | - Eike C Buss
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
| | | | - Shinya Oishi
- Graduate School of Pharmaceutical Sciences, Kyoto University, Sakyo-ku, Kyoto, Japan
| | - Nobutaka Fujii
- Graduate School of Pharmaceutical Sciences, Kyoto University, Sakyo-ku, Kyoto, Japan
| | - Andre Larochelle
- Molecular Hematopoiesis Section, Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Cynthia E Dunbar
- Molecular Hematopoiesis Section, Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Hal E Broxmeyer
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, Indianapolis, USA
| | - Paul S Frenette
- Department of Medicine, Immunology Institute, and Black Family Stem Cell Institute, Mount Sinai School of Medicine, New York, New York, USA
| | - Tsvee Lapidot
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
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Schajnovitz A, Itkin T, D'Uva G, Kalinkovich A, Golan K, Ludin A, Cohen D, Shulman Z, Avigdor A, Nagler A, Kollet O, Seger R, Lapidot T. CXCL12 secretion by bone marrow stromal cells is dependent on cell contact and mediated by connexin-43 and connexin-45 gap junctions. Nat Immunol 2011; 12:391-8. [PMID: 21441933 DOI: 10.1038/ni.2017] [Citation(s) in RCA: 129] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2010] [Accepted: 03/04/2011] [Indexed: 12/13/2022]
Abstract
The chemokine CXCL12 is essential for the function of hematopoietic stem and progenitor cells. Here we report that secretion of functional CXCL12 from human bone marrow stromal cells (BMSCs) was a cell contact-dependent event mediated by connexin-43 (Cx43) and Cx45 gap junctions. Inhibition of connexin gap junctions impaired the secretion of CXCL12 and homing of leukocytes to mouse bone marrow. Purified human CD34(+) progenitor cells did not adhere to noncontacting BMSCs, which led to a much smaller pool of immature cells. Calcium conduction activated signaling by cAMP-protein kinase A (PKA) and induced CXCL12 secretion mediated by the GTPase RalA. Cx43 and Cx45 additionally controlled Cxcl12 transcription by regulating the nuclear localization of the transcription factor Sp1. We suggest that BMSCs form a dynamic syncytium via connexin gap junctions that regulates CXC12 secretion and the homeostasis of hematopoietic stem cells.
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Affiliation(s)
- Amir Schajnovitz
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
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Shivtiel S, Kollet O, Lapid K, Schajnovitz A, Goichberg P, Kalinkovich A, Shezen E, Tesio M, Netzer N, Petit I, Sharir A, Lapidot T. CD45 regulates retention, motility, and numbers of hematopoietic progenitors, and affects osteoclast remodeling of metaphyseal trabecules. ACTA ACUST UNITED AC 2008; 205:2381-95. [PMID: 18779349 PMCID: PMC2556782 DOI: 10.1084/jem.20080072] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The CD45 phosphatase is uniquely expressed by all leukocytes, but its role in regulating hematopoietic progenitors is poorly understood. We show that enhanced CD45 expression on bone marrow (BM) leukocytes correlates with increased cell motility in response to stress signals. Moreover, immature CD45 knockout (KO) cells showed defective motility, including reduced homing (both steady state and in response to stromal-derived factor 1) and reduced granulocyte colony-stimulating factor mobilization. These defects were associated with increased cell adhesion mediated by reduced matrix metalloproteinase 9 secretion and imbalanced Src kinase activity. Poor mobilization of CD45KO progenitors by the receptor activator of nuclear factor kappaB ligand, and impaired modulation of the endosteal components osteopontin and stem cell factor, suggested defective osteoclast function. Indeed, CD45KO osteoclasts exhibited impaired bone remodeling and abnormal morphology, which we attributed to defective cell fusion and Src function. This led to irregular distribution of metaphyseal bone trabecules, a region enriched with stem cell niches. Consequently, CD45KO mice had less primitive cells in the BM and increased numbers of these cells in the spleen, yet with reduced homing and repopulation potential. Uncoupling environmental and intrinsic defects in chimeric mice, we demonstrated that CD45 regulates progenitor movement and retention by influencing both the hematopoietic and nonhematopoietic compartments.
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Affiliation(s)
- Shoham Shivtiel
- Department of Immunology, Weizmann Institute of Science, Rehovot 76100, Israel
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