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Papakonstantinou A, Kalmoukos P, Mpalaska A, Koravou EE, Gavriilaki E. ADAMTS13 in the New Era of TTP. Int J Mol Sci 2024; 25:8137. [PMID: 39125707 PMCID: PMC11312255 DOI: 10.3390/ijms25158137] [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: 06/15/2024] [Revised: 07/22/2024] [Accepted: 07/24/2024] [Indexed: 08/12/2024] Open
Abstract
Thrombotic thrombocytopenic purpura (TTP) is a life-threatening, often immune-mediated disease that affects 2-13 persons per million per year. Hemolytic anemia, thrombocytopenia, and end-organ damage due to the formation of microthrombi are characteristic of TTP. ADAMTS13 is a disintegrin, metalloproteinase, cleaving protein of von Willebrand factor (VWF) that processes the VWF multimers to prevent them from interacting with platelets and, in turn, to microvascular thrombosis. Prompt diagnosis of TTP is critical yet challenging. Thrombotic microangiopathies have similar clinical presentation. Measurement of ADAMTS13 activity helps in the differential diagnosis. Less than 10% ADAMTS13 activity is indicative of TTP. Laboratory ADAMTS13 activity assays include incubating the test plasma with the substrate (full-length VWM multimers) and detection with direct or indirect measurement of the cleavage product. The purpose of this study is to examine the diagnostic potential, advantages, and weaknesses of the ADAMTS13 potency in TTP.
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Affiliation(s)
- Anna Papakonstantinou
- Faculty of Health Sciences, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Panagiotis Kalmoukos
- 2nd Propedeutic Department of Internal Medicine, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece; (P.K.); (A.M.); (E.-E.K.)
| | - Aikaterini Mpalaska
- 2nd Propedeutic Department of Internal Medicine, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece; (P.K.); (A.M.); (E.-E.K.)
| | - Evaggelia-Evdoxia Koravou
- 2nd Propedeutic Department of Internal Medicine, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece; (P.K.); (A.M.); (E.-E.K.)
| | - Eleni Gavriilaki
- 2nd Propedeutic Department of Internal Medicine, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece; (P.K.); (A.M.); (E.-E.K.)
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Zheng XL. Novel mechanisms of action of emerging therapies of hereditary thrombotic thrombocytopenic purpura. Expert Rev Hematol 2024; 17:341-351. [PMID: 38752747 PMCID: PMC11209763 DOI: 10.1080/17474086.2024.2356763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 05/14/2024] [Indexed: 05/21/2024]
Abstract
INTRODUCTION Hereditary thrombotic thrombocytopenic purpura (hTTP) is caused by deficiency of plasma ADAMTS13 activity, resulting from ADAMTS13 mutations. ADAMTS13 cleaves ultra large von Willebrand factor (VWF), thus reducing its multimer sizes. Hereditary deficiency of plasma ADAMTS13 activity leads to the formation of excessive platelet-VWF aggregates in small arterioles and capillaries, resulting in hTTP. AREAS COVERED PubMed search from 1956 to 2024 using thrombotic thrombocytopenic purpura and therapy identified 3,675 articles. Only the articles relevant to the topic were selected for discussion, which focuses on pathophysiology, clinical presentations, and mechanisms of action of emerging therapeutics for hTTP. Current therapies include infusion of plasma, or coagulation factor VIII, or recombinant ADAMTS13. Emerging therapies include anti-VWF A1 aptamers or nanobody and gene therapies with adeno-associated viral vector or self-inactivated lentiviral vector or a sleeping beauty transposon system for a long-term expression of a functional ADAMTS13 enzyme. EXPERT OPINION Frequent plasma infusion remains to be the standard of care in most parts of the world, while recombinant ADAMTS13 has become the treatment of choice for hTTP in some of the Western countries. The success of gene therapies in preclinical models may hold a promise for future development of these novel approaches for a cure of hTTP.
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Affiliation(s)
- X. Long Zheng
- Department of Pathology and Laboratory Medicine and Institute of Reproductive Medicine and Developmental Sciences, the University of Kansas Medical Center, Kansas City, Kansas 66160, USA
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Moroniti JJ, Vrbensky JR, Nazy I, Arnold DM. Targeted ADAMTS-13 replacement therapy for thrombotic thrombocytopenic purpura. J Thromb Haemost 2024; 22:896-904. [PMID: 38142844 DOI: 10.1016/j.jtha.2023.11.030] [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: 08/31/2023] [Revised: 10/27/2023] [Accepted: 11/21/2023] [Indexed: 12/26/2023]
Abstract
Thrombotic thrombocytopenic purpura (TTP) is a life-threatening thrombotic disorder associated with a severe deficiency of ADAMTS-13-the protease that cleaves von Willebrand factor. Plasma therapy is the current standard of care for managing acute episodes of TTP, which involves removing patient plasma and replacing it with donor plasma to raise the level of ADAMTS-13 activity. Recently, therapies aimed at replacing ADAMTS-13 have been investigated as possible substitutes or add-ons to plasma therapy for congenital and immune-mediated TTP. Enzyme replacement therapy provides recombinant ADAMTS-13 via intravenous (i.v.) infusion to restore enzyme activity. Recombinant ADAMTS-13-loaded platelets localize to the site of thrombus formation in a more concentrated manner than enzyme replacement or plasma therapy. ADAMTS-13-encoding messenger RNA aims to induce a steady supply of secreted protein and gene therapy is a potentially curative strategy. Overall, targeted ADAMTS-13 replacement therapies may provide better outcomes than plasma therapy by achieving higher levels of ADAMTS-13 activity and a more sustained response with fewer adverse events. Herein, we describe targeted ADAMTS-13 replacement therapies for the treatment of TTP and discuss the advantages and limitations of each approach.
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Affiliation(s)
- Jonathan J Moroniti
- Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada; Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Ontario, Canada
| | - John R Vrbensky
- Department of Medicine, Michael G. DeGroote School of Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Ishac Nazy
- Department of Medicine, Michael G. DeGroote School of Medicine, McMaster University, Hamilton, Ontario, Canada; Michael G. DeGroote Centre for Transfusion Research, McMaster University, Hamilton, Ontario, Canada
| | - Donald M Arnold
- Department of Medicine, Michael G. DeGroote School of Medicine, McMaster University, Hamilton, Ontario, Canada; Michael G. DeGroote Centre for Transfusion Research, McMaster University, Hamilton, Ontario, Canada.
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Sakai K, Matsumoto M. Clinical Manifestations, Current and Future Therapy, and Long-Term Outcomes in Congenital Thrombotic Thrombocytopenic Purpura. J Clin Med 2023; 12:3365. [PMID: 37240470 PMCID: PMC10219024 DOI: 10.3390/jcm12103365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 05/05/2023] [Accepted: 05/08/2023] [Indexed: 05/28/2023] Open
Abstract
Congenital thrombotic thrombocytopenic purpura (cTTP) is an extremely rare disease characterized by the severe deficiency of a disintegrin and metalloproteinase with thrombospondin type 1 motifs 13 (ADAMTS13), caused by ADAMTS13 mutations. While ADAMTS13 supplementation by fresh frozen plasma (FFP) infusion immediately corrects platelet consumption and resolves thrombotic symptoms in acute episodes, FFP treatment can lead to intolerant allergic reactions and frequent hospital visits. Up to 70% of patients depend on regular FFP infusions to normalize their platelet counts and avoid systemic symptoms, including headache, fatigue, and weakness. The remaining patients do not receive regular FFP infusions, mainly because their platelet counts are maintained within the normal range or because they are symptom-free without FFP infusions. However, the target peak and trough levels of ADAMTS13 to prevent long-term comorbidity with prophylactic FFP and the necessity of treating FFP-independent patients in terms of long-term clinical outcomes are yet to be determined. Our recent study suggests that the current volumes of FFP infusions are insufficient to prevent frequent thrombotic events and long-term ischemic organ damage. This review focuses on the current management of cTTP and its associated issues, followed by the importance of upcoming recombinant ADAMTS13 therapy.
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Affiliation(s)
- Kazuya Sakai
- Department of Blood Transfusion Medicine, Nara Medical University, Kashihara 634-8522, Japan;
| | - Masanori Matsumoto
- Department of Blood Transfusion Medicine, Nara Medical University, Kashihara 634-8522, Japan;
- Department of Hematology, Nara Medical University, Kashihara 634-8521, Japan
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Suda T, Yokoo T, Kanefuji T, Kamimura K, Zhang G, Liu D. Hydrodynamic Delivery: Characteristics, Applications, and Technological Advances. Pharmaceutics 2023; 15:pharmaceutics15041111. [PMID: 37111597 PMCID: PMC10141091 DOI: 10.3390/pharmaceutics15041111] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/20/2023] [Accepted: 03/23/2023] [Indexed: 04/03/2023] Open
Abstract
The principle of hydrodynamic delivery was initially used to develop a method for the delivery of plasmids into mouse hepatocytes through tail vein injection and has been expanded for use in the delivery of various biologically active materials to cells in various organs in a variety of animal species through systemic or local injection, resulting in significant advances in new applications and technological development. The development of regional hydrodynamic delivery directly supports successful gene delivery in large animals, including humans. This review summarizes the fundamentals of hydrodynamic delivery and the progress that has been made in its application. Recent progress in this field offers tantalizing prospects for the development of a new generation of technologies for broader application of hydrodynamic delivery.
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Graça NAG, Joly BS, Voorberg J, Vanhoorelbeke K, Béranger N, Veyradier A, Coppo P. TTP: From empiricism for an enigmatic disease to targeted molecular therapies. Br J Haematol 2022; 197:156-170. [PMID: 35146746 PMCID: PMC9304236 DOI: 10.1111/bjh.18040] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 12/29/2021] [Accepted: 12/31/2021] [Indexed: 12/19/2022]
Abstract
The 100th anniversary of the first description of Thrombotic Thrombocytopenic Purpura (TTP) as a disease by Dr. Eli Moschcowitz approaches. For many decades, TTP remained mostly a mysterious fatal condition, where diagnosis was often post-mortem. Initially a pentad of symptoms was identified, a pattern that later revealed to be fallible. Sporadic observations led to empiric interventions that allowed for the first impactful breakthrough in TTP treatment, almost 70 years after its first description: the introduction of plasma exchange and infusions as treatments. The main body of knowledge within the field was gathered in the latest three decades: patient registries were set and proved crucial for advancements; the general mechanisms of disease have been described; the diagnosis was refined; new treatments and biomarkers with improvements on prognosis and management were introduced. Further changes and improvements are expected in the upcoming decades. In this review, we provide a brief historic overview of TTP, as an illustrative example of the success of translational medicine enabling to rapidly shift from a management largely based on empiricism to targeted therapies and personalized medicine, for the benefit of patients. Current management options and present and future perspectives in this still evolving field are summarized.
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Affiliation(s)
- Nuno A. G. Graça
- Department of Molecular Hematology, Sanquin‐Academic Medical CenterLandsteiner LaboratoryAmsterdamThe Netherlands
| | - Bérangère S. Joly
- Service d'hématologie biologique and EA3518‐ Institut universitaire d'hématologieGroupe Hospitalier Saint Louis‐Lariboisière, AP‐HP, Université Paris DiderotParisFrance
- Centre de Référence des Microangiopathies ThrombotiquesHôpital Saint‐Antoine, AP‐HPParisFrance
| | - Jan Voorberg
- Department of Molecular Hematology, Sanquin‐Academic Medical CenterLandsteiner LaboratoryAmsterdamThe Netherlands
- Department of Experimental Vascular MedicineAmsterdam UMCAmsterdamThe Netherlands
| | - Karen Vanhoorelbeke
- Laboratory for Thrombosis Research, IRF Life SciencesKU Leuven Campus Kulak KortrijkKortrijkBelgium
| | - Nicolas Béranger
- Service d'hématologie biologique and EA3518‐ Institut universitaire d'hématologieGroupe Hospitalier Saint Louis‐Lariboisière, AP‐HP, Université Paris DiderotParisFrance
- Centre de Référence des Microangiopathies ThrombotiquesHôpital Saint‐Antoine, AP‐HPParisFrance
| | - Agnès Veyradier
- Service d'hématologie biologique and EA3518‐ Institut universitaire d'hématologieGroupe Hospitalier Saint Louis‐Lariboisière, AP‐HP, Université Paris DiderotParisFrance
- Centre de Référence des Microangiopathies ThrombotiquesHôpital Saint‐Antoine, AP‐HPParisFrance
| | - Paul Coppo
- Centre de Référence des Microangiopathies ThrombotiquesHôpital Saint‐Antoine, AP‐HPParisFrance
- Service d'HématologieHôpital Saint‐Antoine, AP‐HPParisFrance
- Sorbonne UniversitéUPMC Univ ParisParisFrance
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Sun S, Urbanus RT, ten Cate H, de Groot PG, de Laat B, Heemskerk JWM, Roest M. Platelet Activation Mechanisms and Consequences of Immune Thrombocytopenia. Cells 2021; 10:cells10123386. [PMID: 34943895 PMCID: PMC8699996 DOI: 10.3390/cells10123386] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/28/2021] [Accepted: 11/29/2021] [Indexed: 12/15/2022] Open
Abstract
Autoimmune disorders are often associated with low platelet count or thrombocytopenia. In immune-induced thrombocytopenia (IIT), a common mechanism is increased platelet activity, which can have an increased risk of thrombosis. In addition, or alternatively, auto-antibodies suppress platelet formation or augment platelet clearance. Effects of the auto-antibodies are linked to the unique structural and functional characteristics of platelets. Conversely, prior platelet activation may contribute to the innate and adaptive immune responses. Extensive interplay between platelets, coagulation and complement activation processes may aggravate the pathology. Here, we present an overview of the reported molecular causes and consequences of IIT in the most common forms of autoimmune disorders. These include idiopathic thrombocytopenic purpura (ITP), systemic lupus erythematosus (SLE), antiphospholipid syndrome (APS), drug-induced thrombocytopenia (DITP), heparin-induced thrombocytopenia (HIT), COVID-19 vaccine-induced thrombosis with thrombocytopenia (VITT), thrombotic thrombocytopenia purpura (TTP), and hemolysis, the elevated liver enzymes and low platelet (HELLP) syndrome. We focus on the platelet receptors that bind auto-antibodies, the immune complexes, damage-associated molecular patterns (DAMPs) and complement factors. In addition, we review how circulating platelets serve as a reservoir of immunomodulatory molecules. By this update on the molecular mechanisms and the roles of platelets in the pathogenesis of autoimmune diseases, we highlight platelet-based pathways that can predispose for thrombocytopenia and are linked thrombotic or bleeding events.
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Affiliation(s)
- Siyu Sun
- Department of Biochemistry, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 6200 MD Maastricht, The Netherlands; (S.S.); (H.t.C.)
- Synapse Research Institute, 6217 KD Maastricht, The Netherlands; (P.G.d.G.); (B.d.L.)
| | - Rolf T. Urbanus
- Center for Benign Haematology, Thrombosis and Haemostasis, Van Creveldkliniek, University Medical Center Utrecht, Utrecht University, 3584 CX Utrecht, The Netherlands;
| | - Hugo ten Cate
- Department of Biochemistry, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 6200 MD Maastricht, The Netherlands; (S.S.); (H.t.C.)
- Maastricht University Medical Center, Department of Internal Medicine, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 6200 MD Maastricht, The Netherlands
| | - Philip G. de Groot
- Synapse Research Institute, 6217 KD Maastricht, The Netherlands; (P.G.d.G.); (B.d.L.)
| | - Bas de Laat
- Synapse Research Institute, 6217 KD Maastricht, The Netherlands; (P.G.d.G.); (B.d.L.)
| | - Johan W. M. Heemskerk
- Department of Biochemistry, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 6200 MD Maastricht, The Netherlands; (S.S.); (H.t.C.)
- Synapse Research Institute, 6217 KD Maastricht, The Netherlands; (P.G.d.G.); (B.d.L.)
- Correspondence: (J.W.M.H.); (M.R.); Tel.: +31-68-1032534 (J.W.M.H. & M.R.)
| | - Mark Roest
- Department of Biochemistry, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 6200 MD Maastricht, The Netherlands; (S.S.); (H.t.C.)
- Synapse Research Institute, 6217 KD Maastricht, The Netherlands; (P.G.d.G.); (B.d.L.)
- Correspondence: (J.W.M.H.); (M.R.); Tel.: +31-68-1032534 (J.W.M.H. & M.R.)
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Increased dipeptidyl peptidase-4 accelerates chronic stress-related thrombosis in a mouse carotid artery model. J Hypertens 2021; 38:1504-1513. [PMID: 32205561 DOI: 10.1097/hjh.0000000000002418] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
OBJECTIVE Exposure to chronic psychosocial stress is a risk factor for metabolic cardiovascular disorders. Given that dipeptidyl peptidase-4 (DPP-4) has an important role in human pathobiology, we investigated the role of DPP-4 in stress-related thrombosis in mice, focusing on oxidative stress and the von Willebrand factor (vWF)-cleaving protease ADAMTS13 (a disintegrin and metalloproteinase with thrombospondin type 1 motif, member 13). METHODS AND RESULTS Male mice randomly assigned to nonstress and 2-week immobilized-stress groups underwent iron chloride3 (FeCl3)-induced carotid artery thrombosis surgery for morphological and biochemical studies at specific times. On day 14 post-stress/surgery, stress had enhanced the lengths and weights of arterial thrombi, with alterations of plasma DPP-4, plasminogen activation inhibitor-1 and ADAMTS13. The stressed mice had increased levels of vascular cell adhesion molecule-1, intracellular adhesion molecule-1, monocyte chemoattractant protein-1, gp91phox, p22phox, matrix metalloproteinase-2 (MMP-2), MMP-9, cathepsins S and K mRNAs and/or proteins, and reduced levels of endothelial nitric oxide synthase, catalase and superoxide dismutase-1 mRNAs and/or proteins. Stress also accelerated arterial endothelial cell damage. The DPP-4 inhibitor anagliptin ameliorated the stress-induced targeted molecular and morphological changes and thrombosis. In vitro, DPP-4 inhibition also mitigated the alterations in the targeted ADAMTS13 and other oxidative and inflammatory molecules in human umbilical vein endothelial cells in response to H2O2. CONCLUSION DPP-4 inhibition appeared to improve the FeCl3-induced thrombosis in mice that received stress, possibly via the improvement of ADAMTS13 and oxidative stress, suggesting that DPP-4 could become a novel therapeutic target for chronic psychological stress-related thrombotic events in metabolic cardiovascular disorders.
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[Advances in the treatment of thrombotic thrombocytopenic purpura]. ZHONGHUA XUE YE XUE ZA ZHI = ZHONGHUA XUEYEXUE ZAZHI 2020; 40:1055-1059. [PMID: 32023744 PMCID: PMC7342685 DOI: 10.3760/cma.j.issn.0253-2727.2019.12.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Affiliation(s)
- Megan A. Slack
- Saha Cardiovascular Research Center and Department of Physiology, University of Kentucky College of Medicine, Lexington, KY, USA
| | - Scott M. Gordon
- Saha Cardiovascular Research Center and Department of Physiology, University of Kentucky College of Medicine, Lexington, KY, USA
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Lu HS, Schmidt AM, Hegele RA, Mackman N, Rader DJ, Weber C, Daugherty A. Reporting Sex and Sex Differences in Preclinical Studies. Arterioscler Thromb Vasc Biol 2019; 38:e171-e184. [PMID: 30354222 DOI: 10.1161/atvbaha.118.311717] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Hong S Lu
- From the Department of Physiology, Saha Cardiovascular Research Center, University of Kentucky, Lexington (H.S.L., A.D.)
| | - Ann Marie Schmidt
- Diabetes Research Program, Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, New York University Langone Medical Center, New York, NY (A.M.S.)
| | - Robert A Hegele
- Department of Medicine and Robarts Research Institute, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada (R.A.H.)
| | - Nigel Mackman
- Department of Medicine, University of North Carolina at Chapel Hill (N.M.)
| | - Daniel J Rader
- Department of Medicine (D.J.R.), Perelman School of Medicine, University of Pennsylvania, Philadelphia.,Department of Genetics (D.J.R.), Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Christian Weber
- Department of Medicine, Institute for Cardiovascular Prevention, Ludwig-Maximilians-Universität, Munich, Germany (C.W.).,German Centre for Cardiovascular Research, Partner Site Munich Heart Alliance, Munich, Germany (C.W.)
| | - Alan Daugherty
- From the Department of Physiology, Saha Cardiovascular Research Center, University of Kentucky, Lexington (H.S.L., A.D.)
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Trepotec Z, Lichtenegger E, Plank C, Aneja MK, Rudolph C. Delivery of mRNA Therapeutics for the Treatment of Hepatic Diseases. Mol Ther 2019; 27:794-802. [PMID: 30655211 PMCID: PMC6453508 DOI: 10.1016/j.ymthe.2018.12.012] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 12/19/2018] [Accepted: 12/19/2018] [Indexed: 12/13/2022] Open
Abstract
Promising improvements in the field of transcript therapeutics have clearly enhanced the potential of mRNA as a new pillar for protein replacement therapies. Synthetic mRNAs are engineered to replace mutated mRNAs and to be immunologically inconspicuous and highly stable while maximizing protein expression. Approaches to deliver mRNA into the cellular cytoplasm safely and efficiently have been further developed so that two mRNA-based approaches replacing vascular endothelial growth factor (VEGF) and cystic fibrosis transmembrane conductance regulator (CFTR) have now made it into clinical trials. These studies bring mRNA therapeutics for protein replacement therapy closer to clinical realization. Herein, we provide an overview of preclinical and clinical developments of mRNA therapeutics for liver diseases.
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Affiliation(s)
- Zeljka Trepotec
- Department of Pediatrics, Ludwig Maximilian University of Munich, 80337 Munich, Germany
| | | | - Christian Plank
- Ethris GmbH, RNA Biology, 82152 Planegg, Germany; Institute of Molecular Immunology and Experimental Oncology, Klinikum rechts der Isar, Technical University of Munich, 81675 Munich, Germany
| | | | - Carsten Rudolph
- Department of Pediatrics, Ludwig Maximilian University of Munich, 80337 Munich, Germany; Ethris GmbH, RNA Biology, 82152 Planegg, Germany.
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Hodge R, Narayanavari SA, Izsvák Z, Ivics Z. Wide Awake and Ready to Move: 20 Years of Non-Viral Therapeutic Genome Engineering with the Sleeping Beauty Transposon System. Hum Gene Ther 2018; 28:842-855. [PMID: 28870121 DOI: 10.1089/hum.2017.130] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Gene therapies will only become a widespread tool in the clinical treatment of human diseases with the advent of gene transfer vectors that integrate genetic information stably, safely, effectively, and economically. Two decades after the discovery of the Sleeping Beauty (SB) transposon, it has been transformed into a vector system that is fulfilling these requirements. SB may well overcome some of the limitations associated with viral gene transfer vectors and transient non-viral gene delivery approaches that are being used in the majority of ongoing clinical trials. The SB system has achieved a high level of stable gene transfer and sustained transgene expression in multiple primary human somatic cell types, representing crucial steps that may permit its clinical use in the near future. This article reviews the most important aspects of SB as a tool for gene therapy, including aspects of its vectorization and genomic integration. As an illustration, the clinical development of the SB system toward gene therapy of age-related macular degeneration and cancer immunotherapy is highlighted.
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Affiliation(s)
- Russ Hodge
- 1 Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC) , Berlin, Germany
| | - Suneel A Narayanavari
- 1 Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC) , Berlin, Germany
| | - Zsuzsanna Izsvák
- 1 Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC) , Berlin, Germany
| | - Zoltán Ivics
- 2 Division of Medical Biotechnology, Paul Ehrlich Institute , Langen, Germany
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Liu-Chen S, Connolly B, Cheng L, Subramanian RR, Han Z. mRNA treatment produces sustained expression of enzymatically active human ADAMTS13 in mice. Sci Rep 2018; 8:7859. [PMID: 29777164 PMCID: PMC5959889 DOI: 10.1038/s41598-018-26298-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 05/09/2018] [Indexed: 12/25/2022] Open
Abstract
Thrombotic thrombocytopenic purpura (TTP) is primarily caused by deficiency of ADAMTS13 within the blood stream due to either genetic defects or presence of inhibitory autoantibodies. Preclinical and clinical studies suggest that enzyme replacement therapy with recombinant human ADAMTS13 protein (rhADAMTS13) is effective and safe in treatment of TTP. However, frequent dosing would be required due to the relatively short half-life of rhADAMTS13 in circulation as well as the presence of inhibitory autoantibodies that collectively result in the poor pharmacological profile of rhADAMTS13. With technical breakthroughs in exploring mRNA as therapeutics, we hypothesized that restoration of ADAMTS13 activity for a prolonged duration of time can be achieved through systemic dosing of mRNA, wherein the dosed mRNA would utilize hepatic cells as bioreactors for continuous production of ADAMTS13. To test this hypothesis, mRNA encoding human ADAMTS13 WT or an ADAMTS13 variant, that had demonstrated resistance to predominant clinical TTP autoantibodies, was formulated in lipid nano-particles for liver-targeted delivery. In both ADAMTS13-sufficient and -deficient mice, a single dose of the formulated mRNAs at 1 mg/kg resulted in expression of hADAMTS13 at or above therapeutically relevant levels in mice for up to five days. This proof-of-concept study suggests that mRNA therapy could provide a novel approach for TTP treatment.
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Affiliation(s)
- Susan Liu-Chen
- Alexion Pharmaceuticals Inc., 100 College Street, New Haven, CT, 06510, USA
| | - Brendan Connolly
- Alexion Pharmaceuticals Inc., 75 Sidney St, Cambridge, MA, 02139, USA
| | - Lei Cheng
- Alexion Pharmaceuticals Inc., 75 Sidney St, Cambridge, MA, 02139, USA
| | | | - Zhaozhong Han
- Alexion Pharmaceuticals Inc., 100 College Street, New Haven, CT, 06510, USA
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Preclinical and clinical advances in transposon-based gene therapy. Biosci Rep 2017; 37:BSR20160614. [PMID: 29089466 PMCID: PMC5715130 DOI: 10.1042/bsr20160614] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 10/26/2017] [Accepted: 10/30/2017] [Indexed: 02/08/2023] Open
Abstract
Transposons derived from Sleeping Beauty (SB), piggyBac (PB), or Tol2 typically require cotransfection of transposon DNA with a transposase either as an expression plasmid or mRNA. Consequently, this results in genomic integration of the potentially therapeutic gene into chromosomes of the desired target cells, and thus conferring stable expression. Non-viral transfection methods are typically preferred to deliver the transposon components into the target cells. However, these methods do not match the efficacy typically attained with viral vectors and are sometimes associated with cellular toxicity evoked by the DNA itself. In recent years, the overall transposition efficacy has gradually increased by codon optimization of the transposase, generation of hyperactive transposases, and/or introduction of specific mutations in the transposon terminal repeats. Their versatility enabled the stable genetic engineering in many different primary cell types, including stem/progenitor cells and differentiated cell types. This prompted numerous preclinical proof-of-concept studies in disease models that demonstrated the potential of DNA transposons for ex vivo and in vivo gene therapy. One of the merits of transposon systems relates to their ability to deliver relatively large therapeutic transgenes that cannot readily be accommodated in viral vectors such as full-length dystrophin cDNA. These emerging insights paved the way toward the first transposon-based phase I/II clinical trials to treat hematologic cancer and other diseases. Though encouraging results were obtained, controlled pivotal clinical trials are needed to corroborate the efficacy and safety of transposon-based therapies.
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Tipanee J, VandenDriessche T, Chuah MK. Transposons: Moving Forward from Preclinical Studies to Clinical Trials. Hum Gene Ther 2017; 28:1087-1104. [DOI: 10.1089/hum.2017.128] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Affiliation(s)
- Jaitip Tipanee
- Department of Gene Therapy and Regenerative Medicine, Free University of Brussels (VUB), Brussels, Belgium
| | - Thierry VandenDriessche
- Department of Gene Therapy and Regenerative Medicine, Free University of Brussels (VUB), Brussels, Belgium
- Center for Molecular and Vascular Biology, Department of Cardiovascular Sciences, University of Leuven, Leuven, Belgium
| | - Marinee K. Chuah
- Department of Gene Therapy and Regenerative Medicine, Free University of Brussels (VUB), Brussels, Belgium
- Center for Molecular and Vascular Biology, Department of Cardiovascular Sciences, University of Leuven, Leuven, Belgium
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Saha M, McDaniel JK, Zheng XL. Thrombotic thrombocytopenic purpura: pathogenesis, diagnosis and potential novel therapeutics. J Thromb Haemost 2017; 15:1889-1900. [PMID: 28662310 PMCID: PMC5630501 DOI: 10.1111/jth.13764] [Citation(s) in RCA: 93] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Indexed: 01/07/2023]
Abstract
Thrombotic thrombocytopenic purpura (TTP), a potentially fatal clinical syndrome, is primarily caused by autoantibodies against the von Willebrand factor (VWF)-cleaving metalloprotease ADAMTS-13. In general, severe deficiency of plasma ADAMTS-13 activity (< 10 IU dL-1 ) with or without detectable inhibitory autoantibodies against ADAMTS-13 supports the diagnosis of TTP. A patient usually presents with thrombocytopenia and microangiopathic hemolytic anemia (i.e. schistocytes, elevated serum lactate dehydrogenase, decreased hemoglobin and haptoglobin) without other known etiologies that cause thrombotic microangiopathy (TMA). Normal to moderately reduced plasma ADAMTS-13 activity (> 10 IU dL-1 ) in a similar clinical context supports an alternative diagnosis such as atypical hemolytic uremic syndrome (aHUS) or other types of TMA. Prompt differentiation of TTP from other causes of TMA is crucial for the initiation of an appropriate therapy to reduce morbidity and mortality. Although plasma infusion is often sufficient for prophylaxis or treatment of hereditary TTP due to ADAMTS-13 mutations, daily therapeutic plasma exchange remains the initial treatment of choice for acquired TTP with demonstrable autoantibodies. Immunomodulatory therapies, including corticosteroids, rituximab, vincristine, cyclosporine, cyclophosphamide and splenectomy, etc., should be considered to eliminate autoantibodies for a sustained remission. Other emerging therapeutic modalities, including recombinant ADAMTS-13, adeno-associated virus (AAV) 8-mediated gene therapy, platelet-delivered ADAMTS-13, and antagonists targeting the interaction between platelet glycoprotein 1b and VWF are under investigation. This review highlights the recent progress in our understanding of the pathogenesis and diagnosis of, and current and potential novel therapies for, hereditary and acquired TTP.
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Affiliation(s)
- Manish Saha
- Division of Nephrology, Departments of Medicine, The University of Alabama at Birmingham, Birmingham, AL 35249
| | - Jenny K. McDaniel
- Division of Hematology/Oncology, Department of Pediatrics, The University of Alabama at Birmingham, Birmingham, AL 35249
| | - X. Long Zheng
- Division of Laboratory Medicine, Department of Pathology, The University of Alabama at Birmingham, Birmingham, AL 35249
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Kebriaei P, Izsvák Z, Narayanavari SA, Singh H, Ivics Z. Gene Therapy with the Sleeping Beauty Transposon System. Trends Genet 2017; 33:852-870. [PMID: 28964527 DOI: 10.1016/j.tig.2017.08.008] [Citation(s) in RCA: 84] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2017] [Revised: 08/24/2017] [Accepted: 08/31/2017] [Indexed: 11/16/2022]
Abstract
The widespread clinical implementation of gene therapy requires the ability to stably integrate genetic information through gene transfer vectors in a safe, effective, and economical manner. The latest generation of Sleeping Beauty (SB) transposon vectors fulfills these requirements, and may overcome limitations associated with viral gene transfer vectors and transient nonviral gene delivery approaches that are prevalent in ongoing clinical trials. The SB system enables high-level stable gene transfer and sustained transgene expression in multiple primary human somatic cell types, thereby representing a highly attractive gene transfer strategy for clinical use. Here, we review the most important aspects of using SB for gene therapy, including vectorization as well as genomic integration features. We also illustrate the path to successful clinical implementation by highlighting the application of chimeric antigen receptor (CAR)-modified T cells in cancer immunotherapy.
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Affiliation(s)
- Partow Kebriaei
- Department of Stem Cell Transplant and Cellular Therapy, MD Anderson Cancer Center, Houston, TX, USA
| | - Zsuzsanna Izsvák
- Mobile DNA, Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany
| | - Suneel A Narayanavari
- Mobile DNA, Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany
| | - Harjeet Singh
- Department of Pediatrics, MD Anderson Cancer Center, Houston, TX, USA
| | - Zoltán Ivics
- Division of Medical Biotechnology, Paul Ehrlich Institute, Langen, Germany.
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