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Kusters D, Flemming S, Luissint A, Hilgarth R, Parkos C, Nusrat A. Desmosomal Cadherins Desmoglein‐2 or Desmocollin‐2 Regulate Intestinal Epithelial Barrier Function and Mucosal Repair. FASEB J 2018. [DOI: 10.1096/fasebj.2018.32.1_supplement.286.10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Dennis Kusters
- Department of PathologyUniversity of MichiganAnn ArborMI
| | - Sven Flemming
- Department of PathologyUniversity of MichiganAnn ArborMI
| | | | | | - Charles Parkos
- Department of PathologyUniversity of MichiganAnn ArborMI
| | - Asma Nusrat
- Department of PathologyUniversity of MichiganAnn ArborMI
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Willems B, Chatrou M, Kusters D, Clarke M, Bennett M, Vermeer C, Reutelingsperger C, Schurgers L. YIA6 Medial Vascular Smooth Muscle Cell Cytopenia Accelerates Atherogenesis in APOE-/-MICE. Heart 2015. [DOI: 10.1136/heartjnl-2015-308066.229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Leoni G, Neumann PA, Kamaly N, Quiros M, Nishio H, Jones HR, Sumagin R, Hilgarth RS, Alam A, Fredman G, Argyris I, Rijcken E, Kusters D, Reutelingsperger C, Perretti M, Parkos CA, Farokhzad OC, Neish AS, Nusrat A. Annexin A1-containing extracellular vesicles and polymeric nanoparticles promote epithelial wound repair. J Clin Invest 2015; 125:1215-27. [PMID: 25664854 DOI: 10.1172/jci76693] [Citation(s) in RCA: 230] [Impact Index Per Article: 25.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2014] [Accepted: 01/02/2015] [Indexed: 12/13/2022] Open
Abstract
Epithelial restitution is an essential process that is required to repair barrier function at mucosal surfaces following injury. Prolonged breaches in epithelial barrier function result in inflammation and further damage; therefore, a better understanding of the epithelial restitution process has potential for improving the development of therapeutics. In this work, we demonstrate that endogenous annexin A1 (ANXA1) is released as a component of extracellular vesicles (EVs) derived from intestinal epithelial cells, and these ANXA1-containing EVs activate wound repair circuits. Compared with healthy controls, patients with active inflammatory bowel disease had elevated levels of secreted ANXA1-containing EVs in sera, indicating that ANXA1-containing EVs are systemically distributed in response to the inflammatory process and could potentially serve as a biomarker of intestinal mucosal inflammation. Local intestinal delivery of an exogenous ANXA1 mimetic peptide (Ac2-26) encapsulated within targeted polymeric nanoparticles (Ac2-26 Col IV NPs) accelerated healing of murine colonic wounds after biopsy-induced injury. Moreover, one-time systemic administration of Ac2-26 Col IV NPs accelerated recovery following experimentally induced colitis. Together, our results suggest that local delivery of proresolving peptides encapsulated within nanoparticles may represent a potential therapeutic strategy for clinical situations characterized by chronic mucosal injury, such as is seen in patients with IBD.
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Burgmaier M, Schutters K, Willems B, van der Vorst EPC, Kusters D, Chatrou M, Norling L, Biessen EAL, Cleutjens J, Perretti M, Schurgers LJ, Reutelingsperger CPM. AnxA5 reduces plaque inflammation of advanced atherosclerotic lesions in apoE(-/-) mice. J Cell Mol Med 2014; 18:2117-24. [PMID: 25214012 PMCID: PMC4244025 DOI: 10.1111/jcmm.12374] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [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: 02/14/2014] [Accepted: 06/13/2014] [Indexed: 12/28/2022] Open
Abstract
Annexin A5 (AnxA5) exerts anti-inflammatory, anticoagulant and anti-apoptotic effects through binding cell surface expressed phosphatidylserine. The actions of AnxA5 on atherosclerosis are incompletely understood. We investigated effects of exogenous AnxA5 on plaque morphology and phenotype of advanced atherosclerotic lesions in apoE−/− mice. Advanced atherosclerotic lesions were induced in 12 weeks old Western type diet fed apoE−/− mice using a collar placement around the carotid artery. After 5 weeks mice were injected either with AnxA5 (n = 8) or vehicle for another 4 weeks. AnxA5 reduced plaque macrophage content both in the intima (59% reduction, P < 0.05) and media (73% reduction, P < 0.01) of advanced atherosclerotic lesions of the carotid artery. These findings corroborated with advanced lesions of the aortic arch, where a 67% reduction in plaque macrophage content was observed with AnxA5 compared to controls (P < 0.01). AnxA5 did not change lesion extension, plaque apoptosis, collagen content, smooth muscle cell content or acellular plaque composition after 4 weeks of treatment as determined by immunohistochemistry in advanced carotid lesions. In vitro, AnxA5 exhibited anti-inflammatory effects in macrophages and a flow chamber based assay demonstrated that AnxA5 significantly inhibited capture, rolling, adhesion as well as transmigration of peripheral blood mononuclear cells on a TNF-α-activated endothelial cell layer. In conclusion, short-term treatment with AnxA5 reduces plaque inflammation of advanced lesions in apoE−/− mice likely through interfering with recruitment and activation of monocytes to the inflamed lesion site. Suppressing chronic inflammation by targeting exposed phosphatidylserine may become a viable strategy to treat patients suffering from advanced atherosclerosis.
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Affiliation(s)
- Mathias Burgmaier
- Department of Internal Medicine I, University Hospital of the RWTH Aachen, Aachen, Germany; Department of Biochemistry, Maastricht University, Cardiovascular Research Institute Maastricht, Maastricht, The Netherlands
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Locatelli I, Sutti S, Jindal A, Vacchiano M, Bozzola C, Reutelingsperger C, Kusters D, Bena S, Parola M, Paternostro C, Bugianesi E, McArthur S, Albano E, Perretti M. Endogenous annexin A1 is a novel protective determinant in nonalcoholic steatohepatitis in mice. Hepatology 2014; 60:531-44. [PMID: 24668763 PMCID: PMC4258084 DOI: 10.1002/hep.27141] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2014] [Revised: 03/03/2014] [Accepted: 03/19/2014] [Indexed: 12/22/2022]
Abstract
UNLABELLED Annexin A1 (AnxA1) is an effector of the resolution of inflammation and is highly effective in terminating acute inflammatory responses. However, its role in chronic settings is less investigated. Because changes in AnxA1 expression within adipose tissue characterize obesity in mice and humans, we queried a possible role for AnxA1 in the pathogenesis of nonalcoholic steatohepatitis (NASH), a disease commonly associated with obesity. NASH was induced in wild-type (WT) and AnxA1 knockout (AnxA1 KO) C57BL/6 mice by feeding a methionine-choline deficient (MCD) diet up to 8 weeks. In MCD-fed WT mice, hepatic AnxA1 increased in parallel with progression of liver injury. This mediator was also detected in liver biopsies from patients with NASH and its degree of expression inversely correlated with the extent of fibrosis. In both humans and rodents, AnxA1 production was selectively localized in liver macrophages. NASH in AnxA1 KO mice was characterized by enhanced lobular inflammation resulting from increased macrophage recruitment and exacerbation of the M1 phenotype. Consistently, in vitro addition of recombinant AnxA1 to macrophages isolated from NASH livers down-modulated M1 polarization through stimulation of interleukin-10 production. Furthermore, the degree of hepatic fibrosis was enhanced in MCD-fed AnxA1 KO mice, an effect associated with augmented liver production of the profibrotic lectin, galectin-3. Accordingly, AnxA1 addition to isolated hepatic macrophages reduced galectin-3 expression. CONCLUSIONS Macrophage-derived AnxA1 plays a functional role in modulating hepatic inflammation and fibrogenesis during NASH progression, suggesting the possible use of AnxA1 analogs for therapeutic control of this disease.
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Affiliation(s)
- Irene Locatelli
- Department of Health Sciences and Interdisciplinary Research Center for Autoimmune Diseases, University “Amedeo Avogadro” of East PiedmontNovara, Italy
| | - Salvatore Sutti
- Department of Health Sciences and Interdisciplinary Research Center for Autoimmune Diseases, University “Amedeo Avogadro” of East PiedmontNovara, Italy
| | - Aastha Jindal
- Department of Health Sciences and Interdisciplinary Research Center for Autoimmune Diseases, University “Amedeo Avogadro” of East PiedmontNovara, Italy
| | - Marco Vacchiano
- Department of Health Sciences and Interdisciplinary Research Center for Autoimmune Diseases, University “Amedeo Avogadro” of East PiedmontNovara, Italy
| | - Cristina Bozzola
- Department of Health Sciences and Interdisciplinary Research Center for Autoimmune Diseases, University “Amedeo Avogadro” of East PiedmontNovara, Italy
| | - Chris Reutelingsperger
- Cardiovascular Research Institute MaastrichtDepartment of Biochemistry, Maastricht UniversityMaastricht, The Netherlands
| | - Dennis Kusters
- Cardiovascular Research Institute MaastrichtDepartment of Biochemistry, Maastricht UniversityMaastricht, The Netherlands
| | - Stefania Bena
- William Harvey Research Institute, Queen Mary University of London, London, United Kingdom; and Departments of TurinItaly
| | - Maurizio Parola
- Clinical and Biological Sciences, University of TurinTurin, Italy
| | | | | | - Simon McArthur
- William Harvey Research Institute, Queen Mary University of London, London, United Kingdom; and Departments of TurinItaly
| | - Emanuele Albano
- Department of Health Sciences and Interdisciplinary Research Center for Autoimmune Diseases, University “Amedeo Avogadro” of East PiedmontNovara, Italy,* These authors share senior authorship
| | - Mauro Perretti
- William Harvey Research Institute, Queen Mary University of London, London, United Kingdom; and Departments of TurinItaly,* These authors share senior authorship
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Ungethüm L, Chatrou M, Kusters D, Schurgers L, Reutelingsperger CP. Molecular imaging of cell death in tumors. Increasing annexin A5 size reduces contribution of phosphatidylserine-targeting function to tumor uptake. PLoS One 2014; 9:e96749. [PMID: 24801051 PMCID: PMC4011958 DOI: 10.1371/journal.pone.0096749] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2014] [Accepted: 04/10/2014] [Indexed: 12/22/2022] Open
Abstract
OBJECTIVE Annexin A5 is a phosphatidylserine binding protein that binds dying cells in vivo. Annexin A5 is a potential molecular imaging agent to determine efficacy of anti-cancer therapy in patients. Its rapid clearance from circulation limits tumor uptake and, hence, its sensitivity. The aim of this study is to determine if non-invasive imaging of cell death in tumors will benefit from increasing circulation time of annexin A5 by increasing its size. PROCEDURES Annexin A5 size was increased by complexation of biotinylated annexin A5 with Alexa-Fluor680-labeled streptavidin. The non-binding variant of annexin A5, M1234, was used as negative control. The HT29 colon carcinoma xenograft model in NMRI nude mice was used to measure tumor uptake in vivo. Tumor uptake of fluorescent annexin A5-variants was measured using non-invasive optical imaging. RESULTS The annexin A5-streptavidin complex (4 ∶ 1, moles:moles, Mw ∼ 200 kDa) binds phosphatidylserine-expressing membranes with a Hill-coefficient of 5.7 ± 0.5 for Ca2+-binding and an EC50 of 0.9 ± 0.1 mM Ca2+ (EC50 is the Ca2+ concentration required for half maximal binding)(annexin A5: Hill-coefficient 3.9 ± 0.2, EC50 1.5 ± 0.2 mM Ca2+). Circulation half-life of annexin A5-streptavidin is ± 21 minutes (circulation half-life of annexin A5 is ± 4 min.). Tumor uptake of annexin A5-streptavidin was higher and persisted longer than annexin A5-uptake but depended less on phosphatidylserine binding. CONCLUSION Increasing annexin A5 size prolongs circulation times and increases tumor uptake, but decreases contribution of PS-targeting to tumor uptake and abolishes power to report efficacy of therapy.
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Affiliation(s)
- Lisette Ungethüm
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, The Netherlands
| | - Martijn Chatrou
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, The Netherlands
| | - Dennis Kusters
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, The Netherlands
| | - Leon Schurgers
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, The Netherlands
| | - Chris P. Reutelingsperger
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, The Netherlands
- * E-mail:
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Quiros M, Leoni G, Kamaly N, Neumann P, Nishio H, Fredman G, Alam M, Kusters D, Reutelingsperger C, Perretti M, Parkos C, Farokhzad O, Neish A, Nusrat A. Annexin A1 released from epithelial extracellular vesicles and synthetic nanoparticles promotes wound repair (488.5). FASEB J 2014. [DOI: 10.1096/fasebj.28.1_supplement.488.5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | | | - Nazila Kamaly
- Department of Anesthesiology Harvard UniversityBOSTONMAUnited States
| | | | | | - Gabrielle Fredman
- Departments of MedicinePathology and Cell Biology and Physiology COLUMBIA UniversityNew YorkNYUnited States
| | | | - Dennis Kusters
- Cardiovascular Research Institute Maastricht Maastricht UniversityMaastrichtNetherlands
| | | | - Mauro Perretti
- Centre for Biochemical Pharmacology Queen Mary University of London LondonUnited Kingdom
| | | | - Omid Farokhzad
- Department of Anesthesiology Harvard UniversityBOSTONMAUnited States
| | - Andrew Neish
- Pathology Emory UniversityAtlantaGAUnited States
| | - Asma Nusrat
- Pathology Emory UniversityAtlantaGAUnited States
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De Saint-Hubert M, Bauwens M, Deckers N, Drummen M, Douma K, Granton P, Hendrikx G, Kusters D, Bucerius J, Reutelingsperger CPM, Mottaghy FM. In Vivo Molecular Imaging of Apoptosisand Necrosis in Atherosclerotic PlaquesUsing MicroSPECT-CT and MicroPET-CT Imaging. Mol Imaging Biol 2013; 16:246-54. [DOI: 10.1007/s11307-013-0677-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Nusrat A, Leoni G, Neumann PA, Alam A, Lambeth D, Hilgarth R, Kusters D, Reutelingsperger C, Perretti M, Parkos C, Neish A. Annexin 1 in microparticles promotes intestinal mucosal wound repair during inflammation. (P3264). The Journal of Immunology 2013. [DOI: 10.4049/jimmunol.190.supp.136.14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Abstract
Inflammation-induced epithelial injury results in compromised mucosal barrier function. In response to injury, epithelial cells migrate as a sheet to cover denuded surfaces. We have recently reported that a calcium dependent phospholipid binding protein Annexin A1 (AnxA1) is a pro-resolving mediator that signals via epithelial formyl peptide receptors (FPRs) to promote intestinal mucosal wound repair. Analysis of signaling pathways downstream of epithelial FPRs identified intestinal epithelial NADPH oxidase-1 (Nox1) and Rac1 as key elements responsible for generation of reactive oxygen species (ROS). We determined that ROS-induced oxidative modification of phosphatases, in turn, activate proteins involved in controlling focal cell matrix adhesions and epithelial cell migration. Exogenous AnxA1 administration was observed to promote intestinal mucosal wound closure in WT mice but not in mice lacking intestinal epithelial Nox1 (Nox1-/-IEC). Analysis of AnxA1 released from the epithelial cells revealed that it is shed in membranes that have properties of microparticles (<1 µm) as an N-terminal cleaved product. Incubation of wounded epithelial monolayers with AnxA1containing microparticles promoted wound closure. These findings define a mechanism by which intracellular AnxA1 is cleaved and released in epithelial-derived microparticles during inflammation which can then signal in a paracrine fashion via FPR and Nox1 to promote intestinal mucosal wound repair.
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Affiliation(s)
- Asma Nusrat
- 1Pathology and Laboratory Medicine, Emory University, Atlanta, GA
| | - Giovanna Leoni
- 1Pathology and Laboratory Medicine, Emory University, Atlanta, GA
| | | | - Ashfaqul Alam
- 1Pathology and Laboratory Medicine, Emory University, Atlanta, GA
| | - David Lambeth
- 1Pathology and Laboratory Medicine, Emory University, Atlanta, GA
| | - Roland Hilgarth
- 1Pathology and Laboratory Medicine, Emory University, Atlanta, GA
| | - Dennis Kusters
- 2Cardiovascular Research Institute, Maastricht, Netherlands
| | | | - Mauro Perretti
- 3William Harvey Research Institute, Barts and The London School of Medicine, London, United Kingdom
| | - Charles Parkos
- 1Pathology and Laboratory Medicine, Emory University, Atlanta, GA
| | - Andrew Neish
- 1Pathology and Laboratory Medicine, Emory University, Atlanta, GA
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Leoni G, Neumann P, Alam A, Hilgarth RS, Lambeth DJ, Kusters D, Reutelingsperger C, Perretti M, Parkos CA, Neish AS, Nusrat A. Epithelial wound repair: insights into the multifaceted roles of Annexin A1. FASEB J 2013. [DOI: 10.1096/fasebj.27.1_supplement.132.3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Giovanna Leoni
- Epithelial Pathobiology and Mucosal Inflammation Research UnitEmory UniversityAtlantaGA
| | | | - Ashfaqul Alam
- Epithelial Pathobiology and Mucosal Inflammation Research UnitEmory UniversityAtlantaGA
| | - Roland S Hilgarth
- Epithelial Pathobiology and Mucosal Inflammation Research UnitEmory UniversityAtlantaGA
| | - David J Lambeth
- Department of Pathology & Laboratory MedicineEmory UniversityAtlantaGA
| | - Dennis Kusters
- CARIM School for Cardiovascular DiseasesMaastrichtNetherlands
| | | | | | - Charles A Parkos
- Epithelial Pathobiology and Mucosal Inflammation Research UnitEmory UniversityAtlantaGA
| | - Andrew S Neish
- Epithelial Pathobiology and Mucosal Inflammation Research UnitEmory UniversityAtlantaGA
| | - Asma Nusrat
- Epithelial Pathobiology and Mucosal Inflammation Research UnitEmory UniversityAtlantaGA
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Leoni G, Alam A, Neumann PA, Lambeth JD, Cheng G, McCoy J, Hilgarth RS, Kundu K, Murthy N, Kusters D, Reutelingsperger C, Perretti M, Parkos CA, Neish AS, Nusrat A. Annexin A1, formyl peptide receptor, and NOX1 orchestrate epithelial repair. J Clin Invest 2012; 123:443-54. [PMID: 23241962 DOI: 10.1172/jci65831] [Citation(s) in RCA: 220] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2012] [Accepted: 10/18/2012] [Indexed: 01/05/2023] Open
Abstract
N-formyl peptide receptors (FPRs) are critical regulators of host defense in phagocytes and are also expressed in epithelia. FPR signaling and function have been extensively studied in phagocytes, yet their functional biology in epithelia is poorly understood. We describe a novel intestinal epithelial FPR signaling pathway that is activated by an endogenous FPR ligand, annexin A1 (ANXA1), and its cleavage product Ac2-26, which mediate activation of ROS by an epithelial NADPH oxidase, NOX1. We show that epithelial cell migration was regulated by this signaling cascade through oxidative inactivation of the regulatory phosphatases PTEN and PTP-PEST, with consequent activation of focal adhesion kinase (FAK) and paxillin. In vivo studies using intestinal epithelial specific Nox1(-/-IEC) and AnxA1(-/-) mice demonstrated defects in intestinal mucosal wound repair, while systemic administration of ANXA1 promoted wound recovery in a NOX1-dependent fashion. Additionally, increased ANXA1 expression was observed in the intestinal epithelium and infiltrating leukocytes in the mucosa of ulcerative colitis patients compared with normal intestinal mucosa. Our findings delineate a novel epithelial FPR1/NOX1-dependent redox signaling pathway that promotes mucosal wound repair.
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Affiliation(s)
- Giovanna Leoni
- Epithelial Pathobiology and Mucosal Inflammation Research Unit, Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, Georgia, USA
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