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Guerreiro EM, Kruglik SG, Swamy S, Latysheva N, Østerud B, Guigner JM, Sureau F, Bonneau S, Kuzmin AN, Prasad PN, Hansen JB, Hellesø OG, Snir O. Extracellular vesicles from activated platelets possess a phospholipid-rich biomolecular profile and enhance prothrombinase activity. J Thromb Haemost 2024; 22:1463-1474. [PMID: 38266680 DOI: 10.1016/j.jtha.2024.01.004] [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: 05/08/2023] [Revised: 12/12/2023] [Accepted: 01/11/2024] [Indexed: 01/26/2024]
Abstract
BACKGROUND Extracellular vesicles (EVs), in particular those derived from activated platelets, are associated with a risk of future venous thromboembolism. OBJECTIVES To study the biomolecular profile and function characteristics of EVs from control (unstimulated) and activated platelets. METHODS Biomolecular profiling of single or very few (1-4) platelet-EVs (control/stimulated) was performed by Raman tweezers microspectroscopy. The effects of such EVs on the coagulation system were comprehensively studied. RESULTS Raman tweezers microspectroscopy of platelet-EVs followed by biomolecular component analysis revealed for the first time 3 subsets of EVs: (i) protein rich, (ii) protein/lipid rich, and (iii) lipid rich. EVs from control platelets presented a heterogeneous biomolecular profile, with protein-rich EVs being the main subset (58.7% ± 3.5%). Notably, the protein-rich subset may contain a minor contribution from other extracellular particles, including protein aggregates. In contrast, EVs from activated platelets were more homogeneous, dominated by the protein/lipid-rich subset (>85%), and enriched in phospholipids. Functionally, EVs from activated platelets increased thrombin generation by 52.4% and shortened plasma coagulation time by 34.6% ± 10.0% compared with 18.6% ± 13.9% mediated by EVs from control platelets (P = .015). The increased procoagulant activity was predominantly mediated by phosphatidylserine. Detailed investigation showed that EVs from activated platelets increased the activity of the prothrombinase complex (factor Va:FXa:FII) by more than 6-fold. CONCLUSION Our study reports a novel quantitative biomolecular characterization of platelet-EVs possessing a homogenous and phospholipid-enriched profile in response to platelet activation. Such characteristics are accompanied with an increased phosphatidylserine-dependent procoagulant activity. Further investigation of a possible role of platelet-EVs in the pathogenesis of venous thromboembolism is warranted.
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Affiliation(s)
- Eduarda M Guerreiro
- Thrombosis Research Group, Institute of Clinical Medicine, Univesitet i Tromsø - The Arctic University of Norway, Tromsø, Norway
| | - Sergei G Kruglik
- Laboratoire Jean Perrin, Institut de Biologie Paris-Seine, Sorbonne Université, Centre National de la Recherche Scientifique, Paris, France.
| | - Samantha Swamy
- Thrombosis Research Group, Institute of Clinical Medicine, Univesitet i Tromsø - The Arctic University of Norway, Tromsø, Norway
| | - Nadezhda Latysheva
- Thrombosis Research Group, Institute of Clinical Medicine, Univesitet i Tromsø - The Arctic University of Norway, Tromsø, Norway
| | - Bjarne Østerud
- Thrombosis Research Group, Institute of Clinical Medicine, Univesitet i Tromsø - The Arctic University of Norway, Tromsø, Norway
| | - Jean-Michel Guigner
- L'Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie, Sorbonne Université, Centre National de la Recherche Scientifique, Institut de Recherche pour le Développement, Muséum National d'Histoire Naturelle, Paris, France
| | - Franck Sureau
- Laboratoire Jean Perrin, Institut de Biologie Paris-Seine, Sorbonne Université, Centre National de la Recherche Scientifique, Paris, France
| | - Stephanie Bonneau
- Laboratoire Jean Perrin, Institut de Biologie Paris-Seine, Sorbonne Université, Centre National de la Recherche Scientifique, Paris, France
| | - Andrey N Kuzmin
- Institute for Lasers, Photonics and Biophotonics and the Department of Chemistry, University at Buffalo, State University of New York, Buffalo, New York, USA
| | - Paras N Prasad
- Institute for Lasers, Photonics and Biophotonics and the Department of Chemistry, University at Buffalo, State University of New York, Buffalo, New York, USA
| | - John-Bjarne Hansen
- Thrombosis Research Group, Institute of Clinical Medicine, Univesitet i Tromsø - The Arctic University of Norway, Tromsø, Norway; Thrombosis Research Center, Division of Internal Medicine, University Hospital of North Norway, Tromsø, Norway
| | - Olav Gaute Hellesø
- Department of Physics and Technology, Univesitet i Tromsø- The Arctic University of Norway, Tromsø, Norway
| | - Omri Snir
- Thrombosis Research Group, Institute of Clinical Medicine, Univesitet i Tromsø - The Arctic University of Norway, Tromsø, Norway; Thrombosis Research Center, Division of Internal Medicine, University Hospital of North Norway, Tromsø, Norway.
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Goryunov K, Ivanov M, Kulikov A, Shevtsova Y, Burov A, Podurovskaya Y, Zubkov V, Degtyarev D, Sukhikh G, Silachev D. A Review of the Use of Extracellular Vesicles in the Treatment of Neonatal Diseases: Current State and Problems with Translation to the Clinic. Int J Mol Sci 2024; 25:2879. [PMID: 38474125 DOI: 10.3390/ijms25052879] [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: 01/15/2024] [Revised: 02/22/2024] [Accepted: 02/27/2024] [Indexed: 03/14/2024] Open
Abstract
Neonatal disorders, particularly those resulting from prematurity, pose a major challenge in health care and have a significant impact on infant mortality and long-term child health. The limitations of current therapeutic strategies emphasize the need for innovative treatments. New cell-free technologies utilizing extracellular vesicles (EVs) offer a compelling opportunity for neonatal therapy by harnessing the inherent regenerative capabilities of EVs. These nanoscale particles, secreted by a variety of organisms including animals, bacteria, fungi and plants, contain a repertoire of bioactive molecules with therapeutic potential. This review aims to provide a comprehensive assessment of the therapeutic effects of EVs and mechanistic insights into EVs from stem cells, biological fluids and non-animal sources, with a focus on common neonatal conditions such as hypoxic-ischemic encephalopathy, respiratory distress syndrome, bronchopulmonary dysplasia and necrotizing enterocolitis. This review summarizes evidence for the therapeutic potential of EVs, analyzes evidence of their mechanisms of action and discusses the challenges associated with the implementation of EV-based therapies in neonatal clinical practice.
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Affiliation(s)
- Kirill Goryunov
- V.I. Kulakov National Medical Research Center for Obstetrics, Gynecology and Perinatology, Moscow 117198, Russia
| | - Mikhail Ivanov
- V.I. Kulakov National Medical Research Center for Obstetrics, Gynecology and Perinatology, Moscow 117198, Russia
- A.N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119992, Russia
| | - Andrey Kulikov
- Medical Institute, Patrice Lumumba Peoples' Friendship University of Russia (RUDN University), Moscow 117198, Russia
| | - Yulia Shevtsova
- V.I. Kulakov National Medical Research Center for Obstetrics, Gynecology and Perinatology, Moscow 117198, Russia
- A.N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119992, Russia
| | - Artem Burov
- V.I. Kulakov National Medical Research Center for Obstetrics, Gynecology and Perinatology, Moscow 117198, Russia
| | - Yulia Podurovskaya
- V.I. Kulakov National Medical Research Center for Obstetrics, Gynecology and Perinatology, Moscow 117198, Russia
| | - Victor Zubkov
- V.I. Kulakov National Medical Research Center for Obstetrics, Gynecology and Perinatology, Moscow 117198, Russia
| | - Dmitry Degtyarev
- V.I. Kulakov National Medical Research Center for Obstetrics, Gynecology and Perinatology, Moscow 117198, Russia
| | - Gennady Sukhikh
- V.I. Kulakov National Medical Research Center for Obstetrics, Gynecology and Perinatology, Moscow 117198, Russia
| | - Denis Silachev
- V.I. Kulakov National Medical Research Center for Obstetrics, Gynecology and Perinatology, Moscow 117198, Russia
- A.N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119992, Russia
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3
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Wang J, Jin W, Huang S, Wang W, Wang S, Yu Z, Gao L, Gao Y, Han H, Wang L. Microbubble Biointerfacing by Regulation of the Platelet Membrane Surfactant Activity at the Gas-Liquid Interface for Acute Thrombosis Targeting. Angew Chem Int Ed Engl 2024; 63:e202314583. [PMID: 38196289 DOI: 10.1002/anie.202314583] [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: 09/28/2023] [Revised: 01/01/2024] [Accepted: 01/09/2024] [Indexed: 01/11/2024]
Abstract
Biointerfacing nanomaterials with cell membranes has been successful in the functionalization of nanoparticles or nanovesicles, but microbubble functionalization remains challenging due to the unique conformation of the lipid monolayer structure at the gas-liquid interface that provides insufficient surfactant activity. Here, we describe a strategy to rationally regulate the surfactant activity of platelet membrane vesicles by adjusting the ratio of proteins to lipids through fusion with synthetic phospholipids (i.e., liposomes). A "platesome" with the optimized protein-to-lipid ratio can be assembled at the gas-liquid interface in the same manner as pulmonary surfactants to stabilize a microsized gas bubble. Platesome microbubbles (PMBs) inherited 61.4 % of the platelet membrane vesicle proteins and maintained the active conformation of integrin αIIbβ3 without the talin 1 for fibrin binding. We demonstrated that the PMBs had good stability, long circulation, and superior functionality both in vitro and in vivo. Moreover, by molecular ultrasound imaging, the PMBs provide up to 11.8 dB of ultrasound signal-to-noise ratio enhancement for discriminating between acute and chronic thrombi. This surface tension regulating strategy may provide a paradigm for biointerfacing microbubbles with cell membranes, offering a potential new approach for the construction of molecular ultrasound contrast agents for the diagnosis of different diseases.
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Affiliation(s)
- Jiahui Wang
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, Nanjing, 210023, P. R. China
| | - Weikui Jin
- Department of Ultrasound Diagnostics, The Affiliated Drum Tower Hospital of Medical School of Nanjing University, Nanjing, 210008, P. R. China
| | - Shengyu Huang
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, Nanjing, 210023, P. R. China
| | - Wenqi Wang
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, Nanjing, 210023, P. R. China
| | - Siyu Wang
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, Nanjing, 210023, P. R. China
| | - Zhen Yu
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, Nanjing, 210023, P. R. China
| | - Li Gao
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, Nanjing, 210023, P. R. China
| | - Yu Gao
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, Nanjing, 210023, P. R. China
| | - Hao Han
- Department of Ultrasound Diagnostics, The Affiliated Drum Tower Hospital of Medical School of Nanjing University, Nanjing, 210008, P. R. China
| | - Lianhui Wang
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, Nanjing, 210023, P. R. China
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Li F, Liu Y, Li L, Peng R, Wang C, Liu C, Shi M, Cao Y, Gao Y, Zhang H, Liu X, Li T, Jia H, Li X, Zhang Q, Zhao Z, Zhang J. Brain-derived extracellular vesicles mediate traumatic brain injury associated multi-organ damage. Biochem Biophys Res Commun 2023; 665:141-151. [PMID: 37163934 DOI: 10.1016/j.bbrc.2023.04.119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 04/24/2023] [Accepted: 04/30/2023] [Indexed: 05/12/2023]
Abstract
Traumatic brain injury (TBI) can negatively impact systemic organs, which can lead to more death and disability. However, the mechanism underlying the effect of TBI on systemic organs remains unclear. In previous work, we found that brain-derived extracellular vesicles (BDEVs) released from the injured brain can induce systemic coagulation with a widespread fibrin deposition in the microvasculature of the lungs, kidney, and heart in a mouse model of TBI. In this study, we investigated whether BDEVs can induce heart, lung, liver, and kidney injury in TBI mice. The results of pathological staining and related biomarkers indicated that BDEVs can induce histological damage and systematic dysfunction. In vivo imaging system demonstrated that BDEVs can gather in systemic organs. We also found that BDEVs could induce cell apoptosis in the lung, liver, heart, and kidney. Furthermore, we discovered that BDEVs could cause multi-organ endothelial cell damage. Finally, this secondary multi-organ damage could be relieved by removing circulating BDEVs. Our research provides a novel perspective and potential mechanism of TBI-associated multi-organ damage.
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Affiliation(s)
- Fanjian Li
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China; Tianjin Neurological Institute, Tianjin, China; Graduate School, Tianjin Medical University, Tianjin, China; Key Laboratory of Post-trauma Neuro-repair and Regeneration in Central Nervous System, Ministry of Education, Tianjin, China; Tianjin Key Laboratory of Injuries, Variations and Regeneration of Nervous System, Tianjin, China
| | - Yafan Liu
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China; Tianjin Neurological Institute, Tianjin, China; Graduate School, Tianjin Medical University, Tianjin, China; Key Laboratory of Post-trauma Neuro-repair and Regeneration in Central Nervous System, Ministry of Education, Tianjin, China; Tianjin Key Laboratory of Injuries, Variations and Regeneration of Nervous System, Tianjin, China
| | - Lei Li
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China; Tianjin Neurological Institute, Tianjin, China; Graduate School, Tianjin Medical University, Tianjin, China; Key Laboratory of Post-trauma Neuro-repair and Regeneration in Central Nervous System, Ministry of Education, Tianjin, China; Tianjin Key Laboratory of Injuries, Variations and Regeneration of Nervous System, Tianjin, China
| | - Ruilong Peng
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China; Tianjin Neurological Institute, Tianjin, China; Graduate School, Tianjin Medical University, Tianjin, China; Key Laboratory of Post-trauma Neuro-repair and Regeneration in Central Nervous System, Ministry of Education, Tianjin, China; Tianjin Key Laboratory of Injuries, Variations and Regeneration of Nervous System, Tianjin, China
| | - Cong Wang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China; Tianjin Neurological Institute, Tianjin, China; Graduate School, Tianjin Medical University, Tianjin, China; Key Laboratory of Post-trauma Neuro-repair and Regeneration in Central Nervous System, Ministry of Education, Tianjin, China; Tianjin Key Laboratory of Injuries, Variations and Regeneration of Nervous System, Tianjin, China
| | - Chuan Liu
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China; Tianjin Neurological Institute, Tianjin, China; Graduate School, Tianjin Medical University, Tianjin, China; Key Laboratory of Post-trauma Neuro-repair and Regeneration in Central Nervous System, Ministry of Education, Tianjin, China; Tianjin Key Laboratory of Injuries, Variations and Regeneration of Nervous System, Tianjin, China
| | - Mingming Shi
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China; Tianjin Neurological Institute, Tianjin, China; Graduate School, Tianjin Medical University, Tianjin, China; Key Laboratory of Post-trauma Neuro-repair and Regeneration in Central Nervous System, Ministry of Education, Tianjin, China; Tianjin Key Laboratory of Injuries, Variations and Regeneration of Nervous System, Tianjin, China
| | - Yiyao Cao
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China; Tianjin Neurological Institute, Tianjin, China; Graduate School, Tianjin Medical University, Tianjin, China; Key Laboratory of Post-trauma Neuro-repair and Regeneration in Central Nervous System, Ministry of Education, Tianjin, China; Tianjin Key Laboratory of Injuries, Variations and Regeneration of Nervous System, Tianjin, China
| | - Yalong Gao
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China; Tianjin Neurological Institute, Tianjin, China; Graduate School, Tianjin Medical University, Tianjin, China; Key Laboratory of Post-trauma Neuro-repair and Regeneration in Central Nervous System, Ministry of Education, Tianjin, China; Tianjin Key Laboratory of Injuries, Variations and Regeneration of Nervous System, Tianjin, China
| | - Hejun Zhang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China; Tianjin Neurological Institute, Tianjin, China; Graduate School, Tianjin Medical University, Tianjin, China; Key Laboratory of Post-trauma Neuro-repair and Regeneration in Central Nervous System, Ministry of Education, Tianjin, China; Tianjin Key Laboratory of Injuries, Variations and Regeneration of Nervous System, Tianjin, China
| | - Xilei Liu
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China; Tianjin Neurological Institute, Tianjin, China; Graduate School, Tianjin Medical University, Tianjin, China; Key Laboratory of Post-trauma Neuro-repair and Regeneration in Central Nervous System, Ministry of Education, Tianjin, China; Tianjin Key Laboratory of Injuries, Variations and Regeneration of Nervous System, Tianjin, China
| | - Tuo Li
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China; Tianjin Neurological Institute, Tianjin, China; Graduate School, Tianjin Medical University, Tianjin, China; Key Laboratory of Post-trauma Neuro-repair and Regeneration in Central Nervous System, Ministry of Education, Tianjin, China; Tianjin Key Laboratory of Injuries, Variations and Regeneration of Nervous System, Tianjin, China
| | - Haoran Jia
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China; Tianjin Neurological Institute, Tianjin, China; Graduate School, Tianjin Medical University, Tianjin, China; Key Laboratory of Post-trauma Neuro-repair and Regeneration in Central Nervous System, Ministry of Education, Tianjin, China; Tianjin Key Laboratory of Injuries, Variations and Regeneration of Nervous System, Tianjin, China
| | - Xiaotian Li
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China; Tianjin Neurological Institute, Tianjin, China; Graduate School, Tianjin Medical University, Tianjin, China; Key Laboratory of Post-trauma Neuro-repair and Regeneration in Central Nervous System, Ministry of Education, Tianjin, China; Tianjin Key Laboratory of Injuries, Variations and Regeneration of Nervous System, Tianjin, China
| | - Qiaoling Zhang
- Graduate School, Tianjin Medical University, Tianjin, China
| | - Zilong Zhao
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China; Tianjin Neurological Institute, Tianjin, China; Key Laboratory of Post-trauma Neuro-repair and Regeneration in Central Nervous System, Ministry of Education, Tianjin, China; Tianjin Key Laboratory of Injuries, Variations and Regeneration of Nervous System, Tianjin, China.
| | - Jianning Zhang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China; Tianjin Neurological Institute, Tianjin, China; Key Laboratory of Post-trauma Neuro-repair and Regeneration in Central Nervous System, Ministry of Education, Tianjin, China; Tianjin Key Laboratory of Injuries, Variations and Regeneration of Nervous System, Tianjin, China.
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Pan Y, Wang Y, Wang Y, Xu S, Jiang F, Han Y, Hu M, Liu Z. Platelet-derived microvesicles (PMVs) in cancer progression and clinical applications. Clin Transl Oncol 2023; 25:873-881. [PMID: 36417084 DOI: 10.1007/s12094-022-03014-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 11/12/2022] [Indexed: 11/24/2022]
Abstract
Platelet-derived microvesicles (PMVs), the microvesicles with the highest concentration in the bloodstream, play a key role in the regulation of hemostasis, inflammation, and angiogenesis. PMVs have recently been identified as key factors in the link between platelets and cancer. PMVs bind to both cancer cells and nontransformed cells in the microenvironment of the tumor, and then transfer platelet-derived contents to the target cell. These contents have the potential to either stimulate or modulate the target cell's response. PMVs are encased in a lipid bilayer that contains surface proteins and lipids as well as components found inside the PMV. Each of these components participates in known and potential PMV roles in cancer. The complicated roles played by PMVs in the onset, development, and progression of cancer and cancer-related comorbidities are summarized in this study.
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Affiliation(s)
- Yan Pan
- Department of Blood Transfusion, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, 100 Minjiang Road, Quzhou, 324000, Zhejiang, China
| | - Yingjian Wang
- Department of Blood Transfusion, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou, 310016, Zhejiang, China
| | - Yanzhong Wang
- Department of Blood Transfusion, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou, 310016, Zhejiang, China
| | - Shoufang Xu
- Department of Blood Transfusion, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou, 310016, Zhejiang, China
| | - Feiyu Jiang
- Department of Blood Transfusion, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou, 310016, Zhejiang, China
| | - Yetao Han
- Department of Blood Transfusion, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou, 310016, Zhejiang, China
| | - Mengsi Hu
- Department of Blood Transfusion, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou, 310016, Zhejiang, China
| | - Zhiwei Liu
- Department of Blood Transfusion, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou, 310016, Zhejiang, China.
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Harper MT. Platelet-Derived Extracellular Vesicles in Arterial Thrombosis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1418:259-275. [PMID: 37603285 DOI: 10.1007/978-981-99-1443-2_17] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/22/2023]
Abstract
Blood platelets are necessary for normal haemostasis but also form life-threatening arterial thrombi when atherosclerotic plaques rupture. Activated platelets release many extracellular vesicles during thrombosis. Phosphatidylserine-exposing microparticles promote coagulation. Small exosomes released during granule secretion deliver cargoes including microRNAs to cells throughout the cardiovascular system. Here, we discuss the mechanisms by which platelets release these extracellular vesicles, together with the possibility of inhibiting this release as an antithrombotic strategy.
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Affiliation(s)
- Matthew T Harper
- Department of Pharmacology, University of Cambridge, Cambridge, UK.
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Halim SA, Waqas M, Asim A, Khan M, Khan A, Al-Harrasi A. Discovering novel inhibitors of P2Y12 receptor using structure-based virtual screening, molecular dynamics simulation and MMPBSA approaches. Comput Biol Med 2022; 147:105743. [DOI: 10.1016/j.compbiomed.2022.105743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 06/07/2022] [Accepted: 06/11/2022] [Indexed: 11/16/2022]
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Platelet Lipidome Fingerprint: New Assistance to Characterize Platelet Dysfunction in Obesity. Int J Mol Sci 2022; 23:ijms23158326. [PMID: 35955459 PMCID: PMC9369067 DOI: 10.3390/ijms23158326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/21/2022] [Accepted: 07/21/2022] [Indexed: 11/27/2022] Open
Abstract
Obesity is associated with a pro-inflammatory and pro-thrombotic state that supports atherosclerosis progression and platelet hyper-reactivity. During the last decade, the platelet lipidome has been considered a treasure trove, as it is a source of biomarkers for preventing and treating different pathologies. The goal of the present study was to determine the lipid profile of platelets from non-diabetic, severely obese patients compared with their age- and sex-matched lean controls. Lipids from washed platelets were isolated and major phospholipids, sphingolipids and neutral lipids were analyzed either by gas chromatography or by liquid chromatography coupled to mass spectrometry. Despite a significant increase in obese patient’s plasma triglycerides, there were no significant differences in the levels of triglycerides in platelets among the two groups. In contrast, total platelet cholesterol was significantly decreased in the obese group. The profiling of phospholipids showed that phosphatidylcholine and phosphatidylethanolamine contents were significantly reduced in platelets from obese patients. On the other hand, no significant differences were found in the sphingomyelin and ceramide levels, although there was also a tendency for reduced levels in the obese group. The outline of the glycerophospholipid and sphingolipid molecular species (fatty-acyl profiles) was similar in the two groups. In summary, these lipidomics data indicate that platelets from obese patients have a unique lipid fingerprint that may guide further studies and provide mechanistic-driven perspectives related to the hyperactivate state of platelets in obesity.
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Roncato R, Angelini J, Pani A, Talotta R. Lipid rafts as viral entry routes and immune platforms: A double-edged sword in SARS-CoV-2 infection? Biochim Biophys Acta Mol Cell Biol Lipids 2022; 1867:159140. [PMID: 35248801 PMCID: PMC8894694 DOI: 10.1016/j.bbalip.2022.159140] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 02/13/2022] [Accepted: 02/25/2022] [Indexed: 12/15/2022]
Abstract
Lipid rafts are nanoscopic compartments of cell membranes that serve a variety of biological functions. They play a crucial role in viral infections, as enveloped viruses such as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) can exploit rafts to enter or quit target cells. On the other hand, lipid rafts contribute to the formation of immune synapses and their proper functioning is a prerequisite for adequate immune response and viral clearance. In this narrative review we dissect the panorama focusing on this singular aspect of cell biology in the context of SARS-CoV-2 infection and therapy. A lipid raft-mediated mechanism can be hypothesized for many drugs recommended or considered for the treatment of SARS-CoV-2 infection, such as glucocorticoids, antimalarials, immunosuppressants and antiviral agents. Furthermore, the additional use of lipid-lowering agents, like statins, may affect the lipid composition of membrane rafts and thus influence the processes occurring in these compartments. The combination of drugs acting on lipid rafts may be successful in the treatment of more severe forms of the disease and should be reserved for further investigation.
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Affiliation(s)
- Rossana Roncato
- Experimental and Clinical Pharmacology Unit, Centro di Riferimento Oncologico di Aviano (CRO), Istituto di Ricovero e Cura a carattere Scientifico (IRCCS), via Gallini, 33081 Aviano (PN), Italy
| | - Jacopo Angelini
- Clinical Pharmacology Institute, Azienda Sanitaria Universitaria Friuli Centrale (ASU FC), via Pozzuolo, 33100 Udine, Italy
| | - Arianna Pani
- Toxicology Department of Oncology and Hemato-Oncology, University of Milan, via Vanvitelli, 20133 Milan, Italy
| | - Rossella Talotta
- Department of Clinical and Experimental Medicine, Rheumatology Unit, AOU "Gaetano Martino", University of Messina, 98100 Messina, Italy
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Zhou R, Bozbas E, Allen-Redpath K, Yaqoob P. Circulating Extracellular Vesicles Are Strongly Associated With Cardiovascular Risk Markers. Front Cardiovasc Med 2022; 9:907457. [PMID: 35694679 PMCID: PMC9178174 DOI: 10.3389/fcvm.2022.907457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 05/05/2022] [Indexed: 11/23/2022] Open
Abstract
Background Extracellular vesicles (EVs) are submicron membrane-bound vesicles released from various cells, which are emerging as a potential novel biomarker in cardiovascular diseases (CVDs) due to their procoagulatory and prothrombotic properties. However, there is little information about the relationships between circulating EVs and conventional and thrombogenic risk markers of CVDs. Objective To investigate the relationships between circulating EVs, conventional cardiovascular risk markers and thrombogenic markers in subjects with moderate risk of CVDs. Design Subjects (n = 40) aged 40-70 years with moderate risk of CVDs were recruited and assessed for body mass index, blood pressure and plasma lipid profile, as well as platelet aggregation, clot formation, thrombin generation and fibrinolysis. Numbers of circulating EVs were assessed by Nanoparticle Tracking Analysis and flow cytometry. A range of assays were used to assess the procoagulatory activity of plasma and circulating EVs. Results Circulating EV numbers were positively associated with body mass index, blood pressure, plasma triacylglycerol concentration and overall CVD risk. Higher circulating EV numbers were also associated with increased thrombin generation and enhanced clot formation, and EVs isolated from subjects with moderate CVD risk promoted thrombin generation ex vivo. Higher numbers of endothelial-derived EVs were associated with a greater tendency for clot lysis. Plasma triacylglycerol concentration and diastolic blood pressure independently predicted circulating EV numbers, and EV numbers independently predicted aspects of thrombin generation and clot formation and 10-year CVD risk. Conclusion Circulating EVs were strongly associated with both conventional and thrombogenic risk markers of CVDs, and also with overall CVD risk, highlighting a potentially important role for EVs in CVDs.
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Sweedo A, Wise LM, Roka-Moiia Y, Arce FT, Saavedra SS, Sheriff J, Bluestein D, Slepian MJ, Purdy JG. Shear-Mediated Platelet Activation is Accompanied by Unique Alterations in Platelet Release of Lipids. Cell Mol Bioeng 2021; 14:597-612. [PMID: 34900013 PMCID: PMC8630256 DOI: 10.1007/s12195-021-00692-x] [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: 01/21/2021] [Accepted: 07/16/2021] [Indexed: 10/20/2022] Open
Abstract
INTRODUCTION Platelet activation by mechanical means such as shear stress exposure, is a vital driver of thrombotic risk in implantable blood-contacting devices used in the treatment of heart failure. Lipids are essential in platelets activation and have been studied following biochemical activation. However, little is known regarding lipid alterations occurring with mechanical shear-mediated platelet activation. METHODS Here, we determined if shear-activation of platelets induced lipidome changes that differ from those associated with biochemically-mediated platelet activation. We performed high-resolution lipidomic analysis on purified platelets from four healthy human donors. For each donor, we compared the lipidome of platelets that were non-activated or activated by shear, ADP, or thrombin treatment. RESULTS We found that shear activation altered cell-associated lipids and led to the release of lipids into the extracellular environment. Shear-activated platelets released 21 phospholipids and sphingomyelins at levels statistically higher than platelets activated by biochemical stimulation. CONCLUSIONS We conclude that shear-mediated activation of platelets alters the basal platelet lipidome. Further, these alterations differ and are unique in comparison to the lipidome of biochemically activated platelets. Many of the released phospholipids contained an arachidonic acid tail or were phosphatidylserine lipids, which have known procoagulant properties. Our findings suggest that lipids released by shear-activated platelets may contribute to altered thrombosis in patients with implanted cardiovascular therapeutic devices. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s12195-021-00692-x.
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Affiliation(s)
- Alice Sweedo
- Department of Biomedical Engineering, University of Arizona, Tucson, AZ USA
| | - Lisa M. Wise
- Department of Immunobiology, University of Arizona, 1656 E. Mabel Street, PO Box 245221, Tucson, AZ 85724 USA
- BIO5 Institute, University of Arizona, Tucson, AZ USA
| | - Yana Roka-Moiia
- Department of Medicine, Sarver Heart Center, University of Arizona, Tucson, AZ USA
| | - Fernando Teran Arce
- Department of Biomedical Engineering, University of Arizona, Tucson, AZ USA
- Department of Medicine, Sarver Heart Center, University of Arizona, Tucson, AZ USA
| | - S. Scott Saavedra
- Department of Biomedical Engineering, University of Arizona, Tucson, AZ USA
- BIO5 Institute, University of Arizona, Tucson, AZ USA
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, AZ USA
| | - Jawaad Sheriff
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY USA
| | - Danny Bluestein
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY USA
| | - Marvin J. Slepian
- Department of Biomedical Engineering, University of Arizona, Tucson, AZ USA
- BIO5 Institute, University of Arizona, Tucson, AZ USA
- Department of Medicine, Sarver Heart Center, University of Arizona, Tucson, AZ USA
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY USA
- Department of Material Sciences and Engineering, University of Arizona, Tucson, AZ USA
| | - John G. Purdy
- Department of Immunobiology, University of Arizona, 1656 E. Mabel Street, PO Box 245221, Tucson, AZ 85724 USA
- BIO5 Institute, University of Arizona, Tucson, AZ USA
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12
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Roka-Moiia Y, Ammann KR, Miller-Gutierrez S, Sweedo A, Palomares D, Italiano J, Sheriff J, Bluestein D, Slepian MJ. Shear-mediated platelet activation in the free flow II: Evolving mechanobiological mechanisms reveal an identifiable signature of activation and a bi-directional platelet dyscrasia with thrombotic and bleeding features. J Biomech 2021; 123:110415. [PMID: 34052772 DOI: 10.1016/j.jbiomech.2021.110415] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 03/03/2021] [Indexed: 01/17/2023]
Abstract
Shear-mediated platelet activation (SMPA) in the "free flow" is the net result of a range of cell mechanobiological mechanisms. Previously, we outlined three main groups of mechanisms including: 1) mechano-destruction - i.e. additive platelet (membrane) damage; 2) mechano-activation - i.e. activation of shear-sensitive ion channels and pores; and 3) mechano-transduction - i.e. "outside-in" signaling via a range of transducers. Here, we report on recent advances since our original report which describes additional features of SMPA. A clear "signature" of SMPA has been defined, allowing differentiation from biochemically-mediated activation. Notably, SMPA is characterized by mitochondrial dysfunction, platelet membrane eversion, externalization of anionic phospholipids, and increased thrombin generation on the platelet surface. However, SMPA does not lead to integrin αIIbβ3 activation or P-selectin exposure due to platelet degranulation, as is commonly observed in biochemical activation. Rather, downregulation of GPIb, αIIbβ3, and P-selectin surface expression is evident. Furthermore, SMPA is accompanied by a decrease in overall platelet size coupled with a concomitant, progressive increase in microparticle generation. Shear-ejected microparticles are highly enriched in GPIb and αIIbβ3. These observations indicate the enhanced diffusion, migration, or otherwise dispersion of platelet adhesion receptors to membrane zones, which are ultimately shed as receptor-rich PDMPs. The pathophysiological consequence of this progressive shear accumulation phenomenon is an associated dyscrasia of remaining platelets - being both reduced in size and less activatable via biochemical means - a tendency to favor bleeding, while concomitantly shed microparticles are highly prothrombotic and increase the tendency for thrombosis in both local and systemic milieu. These mechanisms and observations offer direct clinical utility in allowing measurement and guidance of the net balance of platelet driven events in patients with implanted cardiovascular therapeutic devices.
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Affiliation(s)
- Yana Roka-Moiia
- Departments of Medicine and Biomedical Engineering, Sarver Heart Center, University of Arizona, Tucson, AZ 85721, United States; Arizona Center for Accelerated Biomedical Innovation, University of Arizona, Tucson, AZ 85721, United States
| | - Kaitlyn R Ammann
- Departments of Medicine and Biomedical Engineering, Sarver Heart Center, University of Arizona, Tucson, AZ 85721, United States; Arizona Center for Accelerated Biomedical Innovation, University of Arizona, Tucson, AZ 85721, United States
| | - Samuel Miller-Gutierrez
- Departments of Medicine and Biomedical Engineering, Sarver Heart Center, University of Arizona, Tucson, AZ 85721, United States; Arizona Center for Accelerated Biomedical Innovation, University of Arizona, Tucson, AZ 85721, United States
| | - Alice Sweedo
- Departments of Medicine and Biomedical Engineering, Sarver Heart Center, University of Arizona, Tucson, AZ 85721, United States; Arizona Center for Accelerated Biomedical Innovation, University of Arizona, Tucson, AZ 85721, United States
| | - Daniel Palomares
- Departments of Medicine and Biomedical Engineering, Sarver Heart Center, University of Arizona, Tucson, AZ 85721, United States; Arizona Center for Accelerated Biomedical Innovation, University of Arizona, Tucson, AZ 85721, United States
| | - Joseph Italiano
- Department of Medicine, Harvard Medical School, Boston, MA 02115, United States
| | - Jawaad Sheriff
- Department of Biomedical Engineering, Stony Brook University, NY 11794, United States
| | - Danny Bluestein
- Department of Biomedical Engineering, Stony Brook University, NY 11794, United States
| | - Marvin J Slepian
- Departments of Medicine and Biomedical Engineering, Sarver Heart Center, University of Arizona, Tucson, AZ 85721, United States; Department of Biomedical Engineering, Stony Brook University, NY 11794, United States; Arizona Center for Accelerated Biomedical Innovation, University of Arizona, Tucson, AZ 85721, United States.
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CD36+/CD61+ Microparticles Correlate with the Risk of Percutaneous Cardiac Interventions in Coronary Artery Disease Patients and the Effects of Ticagrelor. Cardiovasc Drugs Ther 2021; 36:455-465. [PMID: 33893936 DOI: 10.1007/s10557-021-07184-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/05/2021] [Indexed: 10/21/2022]
Abstract
PURPOSE The CD36 scavenger receptor is a mediator of both atherogenesis and thrombosis. We aimed to investigate the prognostic value of CD36+ microparticles (MPs) released from platelets for cardiovascular event presentation in coronary artery disease (CAD) patients and the effects of different antiplatelet drugs on MPs. METHODS A total of 101 aspirin-treated CAD patients, who were planned to undergo coronary angiography (CAG), were randomized to either a standard clopidogrel regimen or ticagrelor treatment. Total Annexin V-(AV)+ MPs, CD61+/AV+ MPs, and CD36+/CD61+/AV+ MPs were quantified by flow cytometry at baseline, before and immediately after the operation. The ADP-induced platelet inhibition rate was measured by thromboelastogram (TEG) examination 1 h before the operation. RESULTS The baseline levels of CD36+/CD61+/AV+ MPs were significantly increased in percutaneous coronary intervention (PCI) patients (n = 52) compared to no-PCI patients (n = 49) (p < 0.05). A ROC-curve clustered model for CD36+/CD61+/AV+ MPs at baseline predicted an increased risk of PCI [p = 0.009, AUC = 0.761 (95%CI: 0.601 to 0.922)]. Moreover, TEG examination showed that the preoperative proportion of CD36+/CD61+/AV+ MPs was significantly negatively correlated with R time and K time (r = - 0.236, p = 00.026; r = - 0.288, p = 0.006), and positively correlated with MAADP (r = 0.226, p = 0.045). Subgroup analysis of PCI group showed that the platelet inhibition rate of ticagrelor was significantly higher (66.05% ± 28.76% vs.31.01% ± 27.33%, p < 0.001), and the number of AV+ MPs, CD61+/AV+ MPs, and CD36+/CD61+/AV+ MPs before the operation was significantly lower than clopidogrel (p < 0.05, all). CONCLUSION The high levels of CD36+ MPs derived from activated platelets are related to an increased risk of PCI in CAD patients. Ticagrelor significantly reduced the number of CD61+/AV+ MPs and CD36+/CD61+/AV+ MPs. This trial registration number is ChiCTR1800014908 and the date of registration is 2018.05.01.
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14
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Roka-Moiia Y, Miller-Gutierrez S, Palomares DE, Italiano JE, Sheriff J, Bluestein D, Slepian MJ. Platelet Dysfunction During Mechanical Circulatory Support: Elevated Shear Stress Promotes Downregulation of α IIbβ 3 and GPIb via Microparticle Shedding Decreasing Platelet Aggregability. Arterioscler Thromb Vasc Biol 2021; 41:1319-1336. [PMID: 33567867 DOI: 10.1161/atvbaha.120.315583] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Yana Roka-Moiia
- Department of Medicine (Y.R.-M., S.M.-G.), Sarver Heart Center, University of Arizona, Tucson
| | - Samuel Miller-Gutierrez
- Department of Medicine (Y.R.-M., S.M.-G.), Sarver Heart Center, University of Arizona, Tucson
| | - Daniel E Palomares
- Department of Biomedical Engineering (D.E.P., M.J.S.), Sarver Heart Center, University of Arizona, Tucson
| | - Joseph E Italiano
- Brigham and Woman's Hospital, Harvard Medical School, Boston, MA (J.E.I.)
| | - Jawaad Sheriff
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY (J.S., D.B., M.J.S.)
| | - Danny Bluestein
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY (J.S., D.B., M.J.S.)
| | - Marvin J Slepian
- Department of Biomedical Engineering (D.E.P., M.J.S.), Sarver Heart Center, University of Arizona, Tucson.,Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY (J.S., D.B., M.J.S.)
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15
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Influence of Antiplatelet Agents on the Lipid Composition of Platelet Plasma Membrane: A Lipidomics Approach with Ticagrelor and Its Active Metabolite. Int J Mol Sci 2021; 22:ijms22031432. [PMID: 33572690 PMCID: PMC7866994 DOI: 10.3390/ijms22031432] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 01/21/2021] [Accepted: 01/23/2021] [Indexed: 12/18/2022] Open
Abstract
Lipids contained in the plasma membrane of platelets play an important role in platelet function. Modifications in the lipid composition can fluidify or rigidify the environment around embedded receptors, in order to facilitate the access of the receptor by the drug. However, data concerning the lipid composition of platelet plasma membrane need to be updated. In addition, data on the impact of drugs on plasma membrane composition, in particular antiplatelet agents, remain sparse. After isolation of platelet plasma membrane, we assessed, using lipidomics, the effect of ticagrelor, a P2Y12 antagonist, and its active metabolite on the lipid composition of these plasma membranes. We describe the exact lipid composition of plasma membrane, including all sub-species. Ticagrelor and its active metabolite significantly increased cholesterol and phosphatidylcholine ether with short saturated acyl chains 16:0/16:0, and decreased phosphatidylcholine, suggesting overall rigidification of the membrane. Furthermore, ticagrelor and its active metabolite decreased some arachidonylated plasmalogens, suggesting a decrease in availability of arachidonic acid from the membrane phospholipids for synthesis of biologically active mediators. To conclude, ticagrelor and its active metabolite seem to influence the lipid environment of receptors embedded in the lipid bilayer and modify the behavior of the plasma membrane.
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16
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A Novel Pool of Microparticle Cholesterol Is Elevated in Rheumatoid Arthritis but Not in Systemic Lupus Erythematosus Patients. Int J Mol Sci 2020; 21:ijms21239228. [PMID: 33287382 PMCID: PMC7730612 DOI: 10.3390/ijms21239228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 11/27/2020] [Accepted: 11/30/2020] [Indexed: 11/16/2022] Open
Abstract
Microparticles are sub-micron, membrane-bound particles released from virtually all cells and which are present in the circulation. In several autoimmune disorders their amount and composition in the circulation is altered. Microparticle surface protein expression has been explored as a differentiating tool in autoimmune disorders where the clinical pictures can overlap. Here, we examine the utility of a novel lipid-based marker-microparticle cholesterol, present in all microparticles regardless of cellular origin-to distinguish between rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE). We first isolated a series of microparticle containing lipoprotein deficient fractions from patient and control plasma. There were no significant differences in the size, structure or protein content of microparticles isolated from each group. Compared to controls, both patient groups contained significantly greater amounts of platelet and endothelial cell-derived microparticles. The cholesterol content of microparticle fractions isolated from RA patients was significantly greater than those from either SLE patients or healthy controls. Our data indicate that circulating non-lipoprotein microparticle cholesterol, which may account for 1-2% of measured cholesterol in patient samples, may represent a novel differentiator of disease, which is independent of cellular origin.
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17
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Shalaby S, Simioni P, Campello E, Spiezia L, Gavasso S, Bizzaro D, Cardin R, D'Amico F, Gringeri E, Cillo U, Barbiero G, Battistel M, Zanetto A, Ruzzarin A, Burra P, Senzolo M. Endothelial Damage of the Portal Vein is Associated with Heparin-Like Effect in Advanced Stages of Cirrhosis. Thromb Haemost 2020; 120:1173-1181. [DOI: 10.1055/s-0040-1713169] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
AbstractBackground Portal vein thrombosis (PVT) is the most common thrombotic complication in cirrhosis; however, local risk factors involved in its pathogenesis are still not fully investigated. The aim of the study was to evaluate hemostasis and endothelial damage in the portal vein in patients with cirrhosis and portal hypertension.Methods Adult cirrhotics undergoing transjugular intrahepatic portosystemic shunt were consecutively enrolled. Rotational thromboelastometry (ROTEM), dosage of total circulating glycosaminoglycans (GAGs), and endotoxemia levels (lipopolysaccharide [LPS]), along with evaluation of endothelial dysfunction by quantification of circulating endothelial microparticles (MPs), were performed on citrated peripheric and portal venous blood samples from each enrolled patient.Results Forty-five cirrhotics were enrolled. ROTEM analysis revealed the presence of a significant heparin-like effect in portal blood (median ɑ angle NATEM 50° vs. HEPTEM 55°, p = 0.027; median coagulation time NATEM 665 s vs. HEPTEM 585 s, p = 0.006), which was not detected in peripheral blood, and was associated with a higher concentration of circulating GAGs. Even though total annexin V-MP circulating MPs were less concentrated in the splanchnic district, the proportion of MPs of endothelial origin, with respect to annexin V-MP, was significantly increased in the portal district (p = 0.036). LPS concentration was higher in portal (197 pg/mL) compared with peripheral blood (165 pg/mL) (p < 0.001).Conclusion Evidences of a damage of glycocalyx along with increased concentration of endothelial MPs suggest the presence of a significant endothelial alteration in the portal vein with respect to peripheral veins. Portal site-specific endothelial damage could hamper its antithrombotic properties and may represent an important local risk factor in the pathogenesis of PVT.
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Affiliation(s)
- Sarah Shalaby
- Multivisceral Transplant Unit, Department of Surgery, Oncology and Gastroenterology, Padua University Hospital, Padua, Italy
| | - Paolo Simioni
- Hemorrhagic and Thrombotic Diseases Unit, Department of Medicine (DIMED), University of Padua Medical School, Padua, Italy
| | - Elena Campello
- Hemorrhagic and Thrombotic Diseases Unit, Department of Medicine (DIMED), University of Padua Medical School, Padua, Italy
| | - Luca Spiezia
- Hemorrhagic and Thrombotic Diseases Unit, Department of Medicine (DIMED), University of Padua Medical School, Padua, Italy
| | - Sabrina Gavasso
- Hemorrhagic and Thrombotic Diseases Unit, Department of Medicine (DIMED), University of Padua Medical School, Padua, Italy
| | - Debora Bizzaro
- Multivisceral Transplant Unit, Department of Surgery, Oncology and Gastroenterology, Padua University Hospital, Padua, Italy
| | - Romilda Cardin
- Multivisceral Transplant Unit, Department of Surgery, Oncology and Gastroenterology, Padua University Hospital, Padua, Italy
| | - Francesco D'Amico
- Hepatobiliary Surgery and Liver Transplantation Unit, Department of Surgery, Oncology and Gastroenterology, Padua University Hospital, Padua, Italy
| | - Enrico Gringeri
- Hepatobiliary Surgery and Liver Transplantation Unit, Department of Surgery, Oncology and Gastroenterology, Padua University Hospital, Padua, Italy
| | - Umberto Cillo
- Hepatobiliary Surgery and Liver Transplantation Unit, Department of Surgery, Oncology and Gastroenterology, Padua University Hospital, Padua, Italy
| | - Giulio Barbiero
- Institute of Radiology, Department of Medicine, Padua University Hospital, Padua, Italy
| | - Michele Battistel
- Institute of Radiology, Department of Medicine, Padua University Hospital, Padua, Italy
| | - Alberto Zanetto
- Multivisceral Transplant Unit, Department of Surgery, Oncology and Gastroenterology, Padua University Hospital, Padua, Italy
| | - Alessandro Ruzzarin
- Multivisceral Transplant Unit, Department of Surgery, Oncology and Gastroenterology, Padua University Hospital, Padua, Italy
| | - Patrizia Burra
- Multivisceral Transplant Unit, Department of Surgery, Oncology and Gastroenterology, Padua University Hospital, Padua, Italy
| | - Marco Senzolo
- Multivisceral Transplant Unit, Department of Surgery, Oncology and Gastroenterology, Padua University Hospital, Padua, Italy
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Čolić J, Matucci Cerinic M, Guiducci S, Damjanov N. Microparticles in systemic sclerosis, targets or tools to control fibrosis: This is the question! JOURNAL OF SCLERODERMA AND RELATED DISORDERS 2020; 5:6-20. [PMID: 35382401 PMCID: PMC8922594 DOI: 10.1177/2397198319857356] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Accepted: 05/20/2019] [Indexed: 07/25/2023]
Abstract
Systemic sclerosis is the main systemic fibrotic disease with unknown etiology characterized by peripheral microvascular injury, activation of immune system, and wide-spread progressive fibrosis. Microparticles can be derived from any cell type during normal cellular differentiation, senescence, and apoptosis, and also upon cellular activation. Carrying along a broad range of surface cytoplasmic and nuclear molecules of originating cells, microparticles are closely implicated in inflammation, thrombosis, angiogenesis, and immunopathogenesis. Recently, microparticles have been proposed as biomarkers of endothelial injury, which is the primary event in the genesis of tissue fibrosis. Microparticles may have a role in fostering endothelial to mesenchymal transition, thus giving a significant contribution to the development of myofibroblasts, the most important final effectors responsible for tissue fibrosis and fibroproliferative vasculopathy. Thanks to potent profibrotic mediators, such as transforming growth factor beta, platelet-derived growth factor, high mobility group box 1 protein, nicotinamide adenine dinucleotide phosphate oxidase 4, and antifibrotic agents, such as matrix metalloproteinases, microparticles may play an opposite role in fibrosis.
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Affiliation(s)
- Jelena Čolić
- Department of Rheumatology, Institute of
Rheumatology, Belgrade, Serbia
| | - Marco Matucci Cerinic
- Division of Rheumatology, Department of
Experimental and Clinical Medicine, Azienda Ospedaliero-Universitaria Careggi (AOUC)
and Denothe Centre, University of Florence, Florence, Italy
| | - Serena Guiducci
- Division of Rheumatology, Department of
Experimental and Clinical Medicine, Azienda Ospedaliero-Universitaria Careggi (AOUC)
and Denothe Centre, University of Florence, Florence, Italy
| | - Nemanja Damjanov
- Department of Rheumatology, Institute of
Rheumatology, Belgrade, Serbia
- School of Medicine, University of
Belgrade, Belgrade, Serbia
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19
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Green SM, Padula MP, Marks DC, Johnson L. The Lipid Composition of Platelets and the Impact of Storage: An Overview. Transfus Med Rev 2020; 34:108-116. [PMID: 31987597 DOI: 10.1016/j.tmrv.2019.12.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 12/01/2019] [Accepted: 12/07/2019] [Indexed: 02/07/2023]
Abstract
Lipids and bioactive lipid mediators are essential for platelet function. The lipid profile of platelets is highly dynamic due to free exchange of lipids with the plasma, release of extracellular vesicles, and both enzymatic and nonenzymatic lipid conversion. The lipidome of platelets changes in response to activation to accommodate the functional requirements of platelets, particularly for maintenance of hemostasis. Furthermore, when stored at room temperature as a component for transfusion, the lipid profile of platelets is altered. Although there is a growing interest in alternate storage conditions, such as refrigeration and cryopreservation, few contemporary studies have examined the impact of these storage modes on the lipid profile. However, evidence exists that bioactive lipid mediators produced over the storage of blood products may have functional implications once these products are transfused. As such, there is a need to determine the changes occurring to the lipid profile of these products over storage. This review outlines the role of lipids in platelets and discusses the current state of lipidomics for studying platelet components for transfusion in an effort to highlight the necessity for additional transfusion-focused investigations.
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Affiliation(s)
- Sarah M Green
- Research & Development, Australian Red Cross Blood Service, Alexandria, NSW, Australia; School of Life Sciences, University of Technology Sydney, Sydney, NSW, Australia
| | - Matthew P Padula
- School of Life Sciences, University of Technology Sydney, Sydney, NSW, Australia
| | - Denese C Marks
- Research & Development, Australian Red Cross Blood Service, Alexandria, NSW, Australia; Sydney Medical School, The University of Sydney, Camperdown, NSW, Australia
| | - Lacey Johnson
- Research & Development, Australian Red Cross Blood Service, Alexandria, NSW, Australia.
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20
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Increased Cardiovascular Risk Associated with Chemical Sensitivity to Perfluoro-Octanoic Acid: Role of Impaired Platelet Aggregation. Int J Mol Sci 2020; 21:ijms21020399. [PMID: 31936344 PMCID: PMC7014465 DOI: 10.3390/ijms21020399] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 12/20/2019] [Accepted: 01/03/2020] [Indexed: 02/06/2023] Open
Abstract
Perfluoro–alkyl substances (PFAS), particularly perfluoro–octanoic acid (PFOA), are persisting environmental chemicals showing bioaccumulation in human tissues. Recently, exposure to PFAS has been associated with increased prevalence of cardiovascular diseases (CVDs). However, a causal role of PFAS in atherosclerosis pathogenesis is under-investigated. Here, we investigated the effect of PFOA exposure on platelets’ function, a key player in atherosclerosis process. PFOA accumulation in platelets was evaluated by liquid chromatography-mass spectrometry. Changes in platelets’ membrane fluidity and activation after dose-dependent exposure to PFOA were evaluated by merocyanine 540 (MC540) and anti P-Selectin immune staining at flow cytometry, respectively. Intracellular calcium trafficking was analyzed with Fluo4M probe, time-lapse live imaging. Platelets’ aggregation state was also evaluated with Multiplate® aggregometry analyzer in 48 male subjects living in a specific area of the Veneto region with high PFAS environmental pollution, and compared with 30 low-exposure control subjects. Platelets’ membrane was the major target of PFOA, whose dose-dependent accumulation was associated in turn with increased membrane fluidity, as expected by a computational model; increased activation at resting condition; and both calcium uptake and aggregation upon activation. Finally, exposed subjects had higher serum and platelets levels of PFOA, together with increased aggregation parameters at Multiplate®, compared with controls. These data help to explain the emerging association between PFAS exposure and CVD.
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Chiva-Blanch G, Badimon L. Cross-Talk between Lipoproteins and Inflammation: The Role of Microvesicles. J Clin Med 2019; 8:E2059. [PMID: 31771128 PMCID: PMC6947387 DOI: 10.3390/jcm8122059] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 11/18/2019] [Accepted: 11/20/2019] [Indexed: 12/21/2022] Open
Abstract
Atherothrombosis is the principal underlying cause of cardiovascular disease (CVD). Microvesicles (MV) are small blebs originated by an outward budding at the cell plasma membranes, which are released in normal conditions. However, MV release is increased in pathophysiologic conditions such as CVD. Low density lipoprotein (LDL) and MV contribute to atherothrombosis onset and progression by promoting inflammation and leukocyte recruitment to injured endothelium, as well as by increasing thrombosis and plaque vulnerability. Moreover, (oxidized)LDL induces MV release and vice-versa, perpetuating endothelium injury leading to CVD progression. Therefore, MV and lipoproteins exhibit common features, which should be considered in the interpretation of their respective roles in the pathophysiology of CVD. Understanding the pathways implicated in this process will aid in developing novel therapeutic approaches against atherothrombosis.
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Affiliation(s)
- Gemma Chiva-Blanch
- Cardiovascular Program ICCC, Institut de Recerca Hospital Santa Creu i Sant Pau—IIB Sant Pau, Sant Antoni Maria Claret, 167, 08025 Barcelona, Spain;
| | - Lina Badimon
- Cardiovascular Program ICCC, Institut de Recerca Hospital Santa Creu i Sant Pau—IIB Sant Pau, Sant Antoni Maria Claret, 167, 08025 Barcelona, Spain;
- CIBER Enfermedades Cardiovasculares (CIBERCV), Instituto de Salud Carlos III (ISCIII), 28029 Madrid, Spain
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22
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Taus F, Meneguzzi A, Castelli M, Minuz P. Platelet-Derived Extracellular Vesicles as Target of Antiplatelet Agents. What Is the Evidence? Front Pharmacol 2019; 10:1256. [PMID: 31780927 PMCID: PMC6857039 DOI: 10.3389/fphar.2019.01256] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 09/30/2019] [Indexed: 12/14/2022] Open
Abstract
Platelet-derived large extracellular vesicles (often referred to as microparticles in the field of cardiovascular disease) have been identified as effector in the atherothrombotic process, therefore representing a target of pharmacological intervention of potential interest. Despite that, limited evidence is so far available concerning the effects of antiplatelet agents on the release of platelet-derived extracellular vesicles. In the present narrative review, the mechanisms leading to vesiculation in platelets and the pathophysiological processes implicated will be discussed. This will be followed by a summary of the present evidence concerning the effects of antiplatelet agents under experimental conditions and in clinical settings.
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Affiliation(s)
- Francesco Taus
- Department of Medicine, Section of Internal Medicine C, University of Verona, Verona, Italy
| | - Alessandra Meneguzzi
- Department of Medicine, Section of Internal Medicine C, University of Verona, Verona, Italy
| | - Marco Castelli
- Department of Medicine, Section of Internal Medicine C, University of Verona, Verona, Italy
| | - Pietro Minuz
- Department of Medicine, Section of Internal Medicine C, University of Verona, Verona, Italy
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23
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Abstract
Microparticles are a distinctive group of small vesicles, without nucleus, which are involved as significant modulators in several physiological and pathophysiological mechanisms. Plasma microparticles from various cellular lines have been subject of research. Data suggest that they are key players in development and manifestation of cardiovascular diseases and their presence, in high levels, is associated with chronic inflammation, endothelial damage and thrombosis. The strong correlation of microparticle levels with several outcomes in cardiovascular diseases has led to their utilization as biomarkers. Despite the limited clinical application at present, their significance emerges, mainly because their detection and enumeration methods are improving. This review article summarizes the evidence derived from research, related with the genesis and the function of microparticles in the presence of various cardiovascular risk factors and conditions. The current data provide a substrate for several theories of how microparticles influence various cellular mechanisms by transferring biological information.
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Affiliation(s)
- Christos Voukalis
- a Institute of Cardiovascular Sciences , University of Birmingham , Birmingham , UK
| | - Eduard Shantsila
- a Institute of Cardiovascular Sciences , University of Birmingham , Birmingham , UK
| | - Gregory Y H Lip
- b Liverpool Centre for Cardiovascular Science , University of Liverpool and Liverpool Heart & Chest Hospital , Liverpool , UK.,c Department of Clinical Medicine, Aalborg Thrombosis Research Unit , Aalborg University , Aalborg , Denmark
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24
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Alarcón M. Generation of platelet-derived microparticles through the activation of the toll-like receptor 4. Heliyon 2019; 5:e01486. [PMID: 31008410 PMCID: PMC6458467 DOI: 10.1016/j.heliyon.2019.e01486] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 01/28/2019] [Accepted: 04/03/2019] [Indexed: 12/28/2022] Open
Abstract
Introduction Infection from different bacterial may increase the risk of thrombosis and atherosclerosis risk by production and secretion of many proinflammatory factors. Human platelets have toll-like receptor 4 (TLR4), the principal receptor for lipopolysaccharide (LPS). The activation of platelet produces Platelet-derived Microparticles (PDMPs) measuring less than 1.0 micron (that are very abundant in circulation >90%), which are associated with the development of Cardiovascular Diseases (CVDs), the leading cause of death in the world. Objectives Experiments were designed to evaluate the generation of pro-thrombogenic microparticles in vitro on platelets via TLR4 activation. Methods Platelet-rich plasma and washed platelets from healthy volunteers were incubated for the generation of PDMPs. The best source for the generation of microparticles was washed platelets. Then the washed platelets were incubated for 15 minutes with ultrapure Escherichia coli LPS (0–9 μg/mL) followed by activation with ADP (1 μM, subaggregant concentration), centrifuged for 60 minutes and analyzed by flow cytometry. Results Incubating platelets with LPS (9 μg/mL) and ADP (1 μM) produced a 34-fold increase in PDMPs generation. Finally, we evaluated this protocol to detect the inhibition of PDMPs generation, washed platelets were incubated with acetylsalicylic acid (10 μM) and an inhibition of 7.7-fold in PDMPs generation for activation of TLR4 was found. Conclusion A new and easy protocol for PDMPs generation and analysis by Flow Cytometry is established. In the future it could be used to determine the association of PDMPs with different pathologies.
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Affiliation(s)
- M Alarcón
- Thrombosis Research Center, Department of Clinical Biochemistry and Immunohematology, Faculty of Health Sciences, Research Center for Aging, Universidad de Talca, 2 Norte 685, Talca, Post code 3460000, Chile
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25
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Pollet H, Conrard L, Cloos AS, Tyteca D. Plasma Membrane Lipid Domains as Platforms for Vesicle Biogenesis and Shedding? Biomolecules 2018; 8:E94. [PMID: 30223513 PMCID: PMC6164003 DOI: 10.3390/biom8030094] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2018] [Revised: 09/03/2018] [Accepted: 09/04/2018] [Indexed: 12/18/2022] Open
Abstract
Extracellular vesicles (EVs) contribute to several pathophysiological processes and appear as emerging targets for disease diagnosis and therapy. However, successful translation from bench to bedside requires deeper understanding of EVs, in particular their diversity, composition, biogenesis and shedding mechanisms. In this review, we focus on plasma membrane-derived microvesicles (MVs), far less appreciated than exosomes. We integrate documented mechanisms involved in MV biogenesis and shedding, focusing on the red blood cell as a model. We then provide a perspective for the relevance of plasma membrane lipid composition and biophysical properties in microvesiculation on red blood cells but also platelets, immune and nervous cells as well as tumor cells. Although only a few data are available in this respect, most of them appear to converge to the idea that modulation of plasma membrane lipid content, transversal asymmetry and lateral heterogeneity in lipid domains may play a significant role in the vesiculation process. We suggest that lipid domains may represent platforms for inclusion/exclusion of membrane lipids and proteins into MVs and that MVs could originate from distinct domains during physiological processes and disease evolution.
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Affiliation(s)
- Hélène Pollet
- CELL Unit, de Duve Institute & Université Catholique de Louvain, UCL B1.75.05, Avenue Hippocrate, 75, B-1200 Brussels, Belgium.
| | - Louise Conrard
- CELL Unit, de Duve Institute & Université Catholique de Louvain, UCL B1.75.05, Avenue Hippocrate, 75, B-1200 Brussels, Belgium.
| | - Anne-Sophie Cloos
- CELL Unit, de Duve Institute & Université Catholique de Louvain, UCL B1.75.05, Avenue Hippocrate, 75, B-1200 Brussels, Belgium.
| | - Donatienne Tyteca
- CELL Unit, de Duve Institute & Université Catholique de Louvain, UCL B1.75.05, Avenue Hippocrate, 75, B-1200 Brussels, Belgium.
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26
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Haghighi F, Rabani V, Pais-De-Barros JP, Davani S. Reorganization of platelet membrane sphingomyelins by adenosine diphosphate and ticagrelor. Chem Phys Lipids 2018; 216:25-29. [PMID: 30222974 DOI: 10.1016/j.chemphyslip.2018.09.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 08/23/2018] [Accepted: 09/13/2018] [Indexed: 12/17/2022]
Abstract
Platelets are major targets for the treatment of thrombo-embolic disorders. Their plasma membrane contains specialized microdomains enriched in sphingomyelins and free cholesterol including membrane receptors. P2Y12 receptors need to be situated in these domains to be able to conduct activation signaling by adenosine diphosphate (ADP). We studied the impact of ticagrelor, a P2Y12 antagonist, and ADP on the composition and distribution of sphingomyelins in detergent-resistant membrane (DRM) of platelet membranes. Platelets were obtained from healthy donors. DRMs of platelet membranes were isolated in 4 experimental groups: control; ADP, with platelets stimulated by 20 μM ADP and 5 mM CaCl2; ticagrelor, with platelets incubated by ticagrelor 4 μM methanol dissolved; and ticagrelor + ADP, with incubation by ticagrelor followed by stimulation by ADP as above. After mass spectrometry analysis, we found 16 species of sphingomyelins in platelet membrane DRMs. We also found that treatment with ticagrelor and stimulation by ADP could induce changes in the composition, distribution and concentration of sphingomyelins in membranes of platelets. In all groups, the predominant species of sphingomyelins in platelet membrane was d18:1/16:0. Taken together, our results show that stimulation by ADP or inhibition by ticagrelor changed the level and composition of sphingomyelins in platelet membranes. These changes might be considered as reorganization or new recruitment of certain types of sphingomyelins through the membrane.
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Affiliation(s)
- Fatemeh Haghighi
- UBFC, University of Burgundy Franche-Comte, 25000, Besancon, France; EA 3920, University of Franche-Comté, 25000, Besancon, France
| | - Vahideh Rabani
- UBFC, University of Burgundy Franche-Comte, 25000, Besancon, France; EA 3920, University of Franche-Comté, 25000, Besancon, France
| | - Jean-Paul Pais-De-Barros
- UBFC, University of Burgundy Franche-Comte, 25000, Besancon, France; Plateforme de Lipidomique, INSERM ULR 1231, University of Burgundy Franche-Comte, 21000 Dijon, France
| | - Siamak Davani
- UBFC, University of Burgundy Franche-Comte, 25000, Besancon, France; EA 3920, University of Franche-Comté, 25000, Besancon, France; Pharmacology & Toxicology Laboratory, University Hospital Besancon, 25000 Besancon, France.
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27
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Das D, Tarafdar PK, Chakrabarti A. Structure-activity relationship of heme and its analogues in membrane damage and inhibition of fusion. FEBS Lett 2018; 592:2458-2465. [PMID: 29923605 DOI: 10.1002/1873-3468.13165] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 06/05/2018] [Accepted: 06/15/2018] [Indexed: 01/18/2023]
Abstract
Under pathological conditions, such as sickle cell disease and malaria, heme concentration increases considerably, and it induces membrane damage. As sickled and normal erythrocytes contain high cholesterol: phospholipid ratio, we investigated the role of lipid composition, chain length, and unsaturation on the partitioning and leakage of hemin in phospholipid vesicles. To establish structure-activity relationship in membrane damage, experiments with two other analogues, protoporphyrin-IX and hematoporphyrin (HP) were also carried out. Hemin and its analogues localize differently in membranes and exhibit distinct roles in partitioning, leakage and fusion. Hemin and HP trigger more leakage in the presence of aminophospholipids, whereas cholesterol buffers the destabilizing effect remarkably. Inhibition of fusion by hemin further suggests its unexplored and important role in membrane trafficking, particularly under diseased conditions.
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Affiliation(s)
- Debashree Das
- Biophysics & Structural Genomics Division, Saha Institute of Nuclear Physics, Kolkata, India
| | - Pradip K Tarafdar
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, India
| | - Abhijit Chakrabarti
- Crystallography& Molecular Biology Division, Saha Institute of Nuclear Physics, Kolkata, India.,Homi Bhabha National Institute, Mumbai, India
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28
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Wei H, Malcor JDM, Harper MT. Lipid rafts are essential for release of phosphatidylserine-exposing extracellular vesicles from platelets. Sci Rep 2018; 8:9987. [PMID: 29968812 PMCID: PMC6030044 DOI: 10.1038/s41598-018-28363-4] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Accepted: 06/21/2018] [Indexed: 12/21/2022] Open
Abstract
Platelets protect the vascular system during damage or inflammation, but platelet activation can result in pathological thrombosis. Activated platelets release a variety of extracellular vesicles (EVs). EVs shed from the plasma membrane often expose phosphatidylserine (PS). These EVs are pro-thrombotic and increased in number in many cardiovascular and metabolic diseases. The mechanisms by which PS-exposing EVs are shed from activated platelets are not well characterised. Cholesterol-rich lipid rafts provide a platform for coordinating signalling through receptors and Ca2+ channels in platelets. We show that cholesterol depletion with methyl-β-cyclodextrin or sequestration with filipin prevented the Ca2+-triggered release of PS-exposing EVs. Although calpain activity was required for release of PS-exposing, calpain-dependent cleavage of talin was not affected by cholesterol depletion. P2Y12 and TPα, receptors for ADP and thromboxane A2, respectively, have been reported to be in platelet lipid rafts. However, the P2Y12 antagonist, AR-C69931MX, or the cyclooxygenase inhibitor, aspirin, had no effect on A23187-induced release of PS-exposing EVs. Together, these data show that lipid rafts are required for release of PS-exposing EVs from platelets.
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Affiliation(s)
- Hao Wei
- Department of Pharmacology, University of Cambridge, Cambridge, United Kingdom
| | | | - Matthew T Harper
- Department of Pharmacology, University of Cambridge, Cambridge, United Kingdom.
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29
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Hickman DA, Pawlowski CL, Shevitz A, Luc NF, Kim A, Girish A, Marks J, Ganjoo S, Huang S, Niedoba E, Sekhon UDS, Sun M, Dyer M, Neal MD, Kashyap VS, Sen Gupta A. Intravenous synthetic platelet (SynthoPlate) nanoconstructs reduce bleeding and improve 'golden hour' survival in a porcine model of traumatic arterial hemorrhage. Sci Rep 2018; 8:3118. [PMID: 29449604 PMCID: PMC5814434 DOI: 10.1038/s41598-018-21384-z] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 02/02/2018] [Indexed: 12/14/2022] Open
Abstract
Traumatic non-compressible hemorrhage is a leading cause of civilian and military mortality and its treatment requires massive transfusion of blood components, especially platelets. However, in austere civilian and battlefield locations, access to platelets is highly challenging due to limited supply and portability, high risk of bacterial contamination and short shelf-life. To resolve this, we have developed an I.V.-administrable 'synthetic platelet' nanoconstruct (SynthoPlate), that can mimic and amplify body's natural hemostatic mechanisms specifically at the bleeding site while maintaining systemic safety. Previously we have reported the detailed biochemical and hemostatic characterization of SynthoPlate in a non-trauma tail-bleeding model in mice. Building on this, here we sought to evaluate the hemostatic ability of SynthoPlate in emergency administration within the 'golden hour' following traumatic hemorrhagic injury in the femoral artery, in a pig model. We first characterized the storage stability and post-sterilization biofunctionality of SynthoPlate in vitro. The nanoconstructs were then I.V.-administered to pigs and their systemic safety and biodistribution were characterized. Subsequently we demonstrated that, following femoral artery injury, bolus administration of SynthoPlate could reduce blood loss, stabilize blood pressure and significantly improve survival. Our results indicate substantial promise of SynthoPlate as a viable platelet surrogate for emergency management of traumatic bleeding.
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Affiliation(s)
- DaShawn A Hickman
- Department of Pathology, Case Western Reserve University, Cleveland, OH, 44106, USA
| | - Christa L Pawlowski
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, 44106, USA
| | - Andrew Shevitz
- University Hospitals of Cleveland, Division of Vascular Surgery, Cleveland, OH, 44106, USA
| | - Norman F Luc
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, 44106, USA
| | - Ann Kim
- University Hospitals of Cleveland, Division of Vascular Surgery, Cleveland, OH, 44106, USA
| | - Aditya Girish
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, 44106, USA
| | - Joyann Marks
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, 44106, USA
| | - Simi Ganjoo
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, 44106, USA
| | - Stephanie Huang
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, 44106, USA
| | - Edward Niedoba
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, 44106, USA
| | - Ujjal D S Sekhon
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, 44106, USA
| | - Michael Sun
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, 44106, USA
| | - Mitchell Dyer
- Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, 15213, USA
| | - Matthew D Neal
- Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, 15213, USA
| | - Vikram S Kashyap
- University Hospitals of Cleveland, Division of Vascular Surgery, Cleveland, OH, 44106, USA
| | - Anirban Sen Gupta
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, 44106, USA.
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30
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Hickman DA, Pawlowski CL, Sekhon UDS, Marks J, Gupta AS. Biomaterials and Advanced Technologies for Hemostatic Management of Bleeding. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:10.1002/adma.201700859. [PMID: 29164804 PMCID: PMC5831165 DOI: 10.1002/adma.201700859] [Citation(s) in RCA: 259] [Impact Index Per Article: 43.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2017] [Revised: 06/18/2017] [Indexed: 05/03/2023]
Abstract
Bleeding complications arising from trauma, surgery, and as congenital, disease-associated, or drug-induced blood disorders can cause significant morbidities and mortalities in civilian and military populations. Therefore, stoppage of bleeding (hemostasis) is of paramount clinical significance in prophylactic, surgical, and emergency scenarios. For externally accessible injuries, a variety of natural and synthetic biomaterials have undergone robust research, leading to hemostatic technologies including glues, bandages, tamponades, tourniquets, dressings, and procoagulant powders. In contrast, treatment of internal noncompressible hemorrhage still heavily depends on transfusion of whole blood or blood's hemostatic components (platelets, fibrinogen, and coagulation factors). Transfusion of platelets poses significant challenges of limited availability, high cost, contamination risks, short shelf-life, low portability, performance variability, and immunological side effects, while use of fibrinogen or coagulation factors provides only partial mechanisms for hemostasis. With such considerations, significant interdisciplinary research endeavors have been focused on developing materials and technologies that can be manufactured conveniently, sterilized to minimize contamination and enhance shelf-life, and administered intravenously to mimic, leverage, and amplify physiological hemostatic mechanisms. Here, a comprehensive review regarding the various topical, intracavitary, and intravenous hemostatic technologies in terms of materials, mechanisms, and state-of-art is provided, and challenges and opportunities to help advancement of the field are discussed.
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Affiliation(s)
- DaShawn A Hickman
- Case Western Reserve University School of Medicine, Department of Pathology, Cleveland, Ohio 44106, USA
| | - Christa L Pawlowski
- Case Western Reserve University, Department of Biomedical Engineering, Cleveland, Ohio 44106, USA
| | - Ujjal D S Sekhon
- Case Western Reserve University, Department of Biomedical Engineering, Cleveland, Ohio 44106, USA
| | - Joyann Marks
- Case Western Reserve University, Department of Biomedical Engineering, Cleveland, Ohio 44106, USA
| | - Anirban Sen Gupta
- Case Western Reserve University, Department of Biomedical Engineering, Cleveland, Ohio 44106, USA
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31
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Suades R, Padró T, Vilahur G, Badimon L. Circulating and platelet-derived microparticles in human blood enhance thrombosis on atherosclerotic plaques. Thromb Haemost 2017; 108:1208-19. [DOI: 10.1160/th12-07-0486] [Citation(s) in RCA: 128] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2012] [Accepted: 09/07/2012] [Indexed: 11/05/2022]
Abstract
SummaryPlaque rupture followed by thrombosis is the underlying cause of the majority of acute coronary syndromes. Circulating microparticles (cMPs), membrane blebs released into blood by activated cells, have been associated to vascular diseases. Specifically, high levels of platelet-derived microparticles (pMPs) have been found in patients with coronary disease. However, it is unknown whether microparticles have a contributing role to the development of damaged vessel wall-induced arterial thrombi. The aim of this proof of concept study was to investigate whether an increased number of cMPs and pMPs could functionally contribute to blood thrombogenicity on areas of arterial damage. Microparticles were isolated from blood of healthy volunteers and were characterised by flow cytometry. Effects of microparticles on platelet deposition were assessed under controlled flow conditions exposing damaged arterial wall in the Badimon perfusion chamber and collagen type-I in the flat perfusion chamber to human blood. Platelet deposition on damaged arteries was significantly increased in cMP- and pMP-enriched bloods (p<0.05). pMPs also induced increase in platelet (p<0.05) and fibrin (p<0.05) deposition on human atherosclerotic arteries and in platelet adhesion to purified collagen surfaces. pMP-enriched blood induced a dose-dependent shortening of epinephrine/collagen closure time evaluated by PFA-100 (p<0.001), increased lowdose ADP-induced platelet aggregation by LTA (p<0.05), and decreased clotting time by thromboelastography (p<0.01). In conclusion, an increased content of cMPs and pMPs, even in normal blood conditions, enhance platelet deposition and thrombus formation. This study shows for the first time that, beyond biomarkers of cell activation, blood microparticles have functional effects on cardiovascular atherothrombotic disease.
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32
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Zaldivia MTK, McFadyen JD, Lim B, Wang X, Peter K. Platelet-Derived Microvesicles in Cardiovascular Diseases. Front Cardiovasc Med 2017; 4:74. [PMID: 29209618 PMCID: PMC5702324 DOI: 10.3389/fcvm.2017.00074] [Citation(s) in RCA: 108] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Accepted: 11/07/2017] [Indexed: 12/15/2022] Open
Abstract
Microvesicles (MVs) circulating in the blood are small vesicles (100–1,000 nm in diameter) derived from membrane blebs of cells such as activated platelets, endothelial cells, and leukocytes. A growing body of evidence now supports the concept that platelet-derived microvesicles (PMVs), the most abundant MVs in the circulation, are important regulators of hemostasis, inflammation, and angiogenesis. Compared with healthy individuals, a large increase of circulating PMVs has been observed, particularly in patients with cardiovascular diseases. As observed in MVs from other parent cells, PMVs exert their biological effects in multiple ways, such as triggering various intercellular signaling cascades and by participating in transcellular communication by the transfer of their “cargo” of cytoplasmic components and surface receptors to other cell types. This review describes our current understanding of the potential role of PMVs in mediating hemostasis, inflammation, and angiogenesis and their consequences on the pathogenesis of cardiovascular diseases, such as atherosclerosis, myocardial infarction, and venous thrombosis. Furthermore, new developments of the therapeutic potential of PMVs for the treatment of cardiovascular diseases will be discussed.
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Affiliation(s)
- Maria T K Zaldivia
- Atherothrombosis and Vascular Biology, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia.,Department of Medicine, Monash University, Melbourne, VIC, Australia
| | - James D McFadyen
- Atherothrombosis and Vascular Biology, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia.,Department of Medicine, Monash University, Melbourne, VIC, Australia.,Department of Haematology, The Alfred Hospital, Melbourne, VIC, Australia
| | - Bock Lim
- Atherothrombosis and Vascular Biology, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
| | - Xiaowei Wang
- Atherothrombosis and Vascular Biology, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia.,Department of Medicine, Monash University, Melbourne, VIC, Australia
| | - Karlheinz Peter
- Atherothrombosis and Vascular Biology, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia.,Department of Medicine, Monash University, Melbourne, VIC, Australia.,Heart Centre, The Alfred Hospital, Melbourne, VIC, Australia
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33
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Microvesicle Involvement in Shiga Toxin-Associated Infection. Toxins (Basel) 2017; 9:toxins9110376. [PMID: 29156596 PMCID: PMC5705991 DOI: 10.3390/toxins9110376] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 11/15/2017] [Accepted: 11/16/2017] [Indexed: 12/16/2022] Open
Abstract
Shiga toxin is the main virulence factor of enterohemorrhagic Escherichia coli, a non-invasive pathogen that releases virulence factors in the intestine, causing hemorrhagic colitis and, in severe cases, hemolytic uremic syndrome (HUS). HUS manifests with acute renal failure, hemolytic anemia and thrombocytopenia. Shiga toxin induces endothelial cell damage leading to platelet deposition in thrombi within the microvasculature and the development of thrombotic microangiopathy, mostly affecting the kidney. Red blood cells are destroyed in the occlusive capillary lesions. This review focuses on the importance of microvesicles shed from blood cells and their participation in the prothrombotic lesion, in hemolysis and in the transfer of toxin from the circulation into the kidney. Shiga toxin binds to blood cells and may undergo endocytosis and be released within microvesicles. Microvesicles normally contribute to intracellular communication and remove unwanted components from cells. Many microvesicles are prothrombotic as they are tissue factor- and phosphatidylserine-positive. Shiga toxin induces complement-mediated hemolysis and the release of complement-coated red blood cell-derived microvesicles. Toxin was demonstrated within blood cell-derived microvesicles that transported it to renal cells, where microvesicles were taken up and released their contents. Microvesicles are thereby involved in all cardinal aspects of Shiga toxin-associated HUS, thrombosis, hemolysis and renal failure.
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34
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Rabani V, Montange D, Meneveau N, Davani S. Impact of ticagrelor on P2Y1 and P2Y12 localization and on cholesterol levels in platelet plasma membrane. Platelets 2017; 29:709-715. [PMID: 29020490 DOI: 10.1080/09537104.2017.1356453] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Ticagrelor is an antiplatelet agent that inhibits platelet activation via P2Y12 antagonism. There are several studies showing that P2Y12 needs lipid rafts to be activated, but there are few data about how ticagrelor impacts lipid raft organization. Therefore, we aimed to investigate how ticagrelor could impact the distribution of cholesterol and consequently alter the organization of lipid rafts on platelet plasma membranes. We identified cholesterol-enriched raft fractions in platelet membranes by quantification of their cholesterol levels. Modifications in cholesterol and protein profiles (Flotillin 1, Flotillin 2, CD36, P2Y1, and P2Y12) were studied in platelets stimulated by ADP, treated by ticagrelor, or both. In ADP-stimulated and ticagrelor-treated groups, we found a decreased level of cholesterol in raft fractions of platelet plasma membrane compared to the control group. In addition, the peak of cholesterol in different experimental groups changed its localization on membrane fractions. In the control group, it was situated on fraction 2, while in ADP-stimulated platelets, it was located in fractions 3 to 5, and in fraction 4 in ticagrelor-treated group. The proteins studied also showed changes in their level of expression and localization in fractions of plasma membrane. Cholesterol levels of plasma membranes have a direct role in the organization of platelet membranes and could be modified by stimulation or drug treatment. Since ticagrelor and ADP both changed lipid composition and protein profile, investigating the lipid and protein composition of platelet membranes is of considerable importance as a focus for further research in anti-platelet management.
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Affiliation(s)
- Vahideh Rabani
- a EA 3920 - Université de Bourgogne-Franche Comté , Besançon , France
| | - Damien Montange
- a EA 3920 - Université de Bourgogne-Franche Comté , Besançon , France.,b Laboratoire de Pharmacologie Clinique et Toxicologie , CHU de Besançon , France
| | - Nicolas Meneveau
- a EA 3920 - Université de Bourgogne-Franche Comté , Besançon , France.,c Service de Cardiologie , CHU de Besançon , France
| | - Siamak Davani
- a EA 3920 - Université de Bourgogne-Franche Comté , Besançon , France.,b Laboratoire de Pharmacologie Clinique et Toxicologie , CHU de Besançon , France
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Boopathy GTK, Kulkarni M, Ho SY, Boey A, Chua EWM, Barathi VA, Carney TJ, Wang X, Hong W. Cavin-2 regulates the activity and stability of endothelial nitric-oxide synthase (eNOS) in angiogenesis. J Biol Chem 2017; 292:17760-17776. [PMID: 28912276 PMCID: PMC5663877 DOI: 10.1074/jbc.m117.794743] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Revised: 09/04/2017] [Indexed: 01/26/2023] Open
Abstract
Angiogenesis is a highly regulated process for formation of new blood vessels from pre-existing ones. Angiogenesis is dysregulated in various pathologies, including age-related macular degeneration, arthritis, and cancer. Inhibiting pathological angiogenesis therefore represents a promising therapeutic strategy for treating these disorders, highlighting the need to study angiogenesis in more detail. To this end, identifying the genes essential for blood vessel formation and elucidating their function are crucial for a complete understanding of angiogenesis. Here, focusing on potential candidate genes for angiogenesis, we performed a morpholino-based genetic screen in zebrafish and identified Cavin-2, a membrane-bound phosphatidylserine-binding protein and critical organizer of caveolae (small microdomains in the plasma membrane), as a regulator of angiogenesis. Using endothelial cells, we show that Cavin-2 is required for in vitro angiogenesis and also for endothelial cell proliferation, migration, and invasion. We noted a high level of Cavin-2 expression in the neovascular tufts in the mouse model of oxygen-induced retinopathy, suggesting a role for Cavin-2 in pathogenic angiogenesis. Interestingly, we also found that Cavin-2 regulates the production of nitric oxide (NO) in endothelial cells by controlling the stability and activity of the endothelial nitric-oxide synthase (eNOS) and that Cavin-2 knockdown cells produce much less NO than WT cells. Also, mass spectrometry, flow cytometry, and electron microscopy analyses indicated that Cavin-2 is secreted in endothelial microparticles (EMPs) and is required for EMP biogenesis. Taken together, our results indicate that in addition to its function in caveolae biogenesis, Cavin-2 plays a critical role in endothelial cell maintenance and function by regulating eNOS activity.
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Affiliation(s)
- Gandhi T K Boopathy
- From the Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Proteos, Singapore, .,the SERI-IMCB Programme in Retinal Angiogenic Diseases (SIPRAD), SERI-IMCB, Singapore
| | - Madhura Kulkarni
- the Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore
| | - Sze Yuan Ho
- the Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore
| | - Adrian Boey
- From the Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Proteos, Singapore
| | - Edmond Wei Min Chua
- From the Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Proteos, Singapore
| | - Veluchamy A Barathi
- the SERI-IMCB Programme in Retinal Angiogenic Diseases (SIPRAD), SERI-IMCB, Singapore.,the Singapore Eye Research Institute (SERI), 20 College Road, 169856 Singapore.,the Ophthalmology and Visual Sciences Academic Clinical Program, Duke-NUS Graduate Medical School, 8 College Rd., 169857 Singapore.,the Department of Ophthalmology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, and
| | - Tom J Carney
- From the Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Proteos, Singapore.,the SERI-IMCB Programme in Retinal Angiogenic Diseases (SIPRAD), SERI-IMCB, Singapore.,the Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore
| | - Xiaomeng Wang
- From the Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Proteos, Singapore.,the SERI-IMCB Programme in Retinal Angiogenic Diseases (SIPRAD), SERI-IMCB, Singapore.,the Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore.,the Singapore Eye Research Institute (SERI), 20 College Road, 169856 Singapore
| | - Wanjin Hong
- From the Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Proteos, Singapore, .,the SERI-IMCB Programme in Retinal Angiogenic Diseases (SIPRAD), SERI-IMCB, Singapore
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Ponomareva AA, Nevzorova TA, Mordakhanova ER, Andrianova IA, Rauova L, Litvinov RI, Weisel JW. Intracellular origin and ultrastructure of platelet-derived microparticles. J Thromb Haemost 2017; 15:1655-1667. [PMID: 28561434 PMCID: PMC5657319 DOI: 10.1111/jth.13745] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2016] [Indexed: 12/18/2022]
Abstract
Essentials Platelet microparticles play a major role in pathologies, including hemostasis and thrombosis. Platelet microparticles have been analyzed and classified based on their ultrastructure. The structure and intracellular origin of microparticles depend on the cell-activating stimulus. Thrombin-treated platelets fall apart and form microparticles that contain cellular organelles. SUMMARY Background Platelet-derived microparticles comprise the major population of circulating blood microparticles that play an important role in hemostasis and thrombosis. Despite numerous studies on the (patho)physiological roles of platelet-derived microparticles, mechanisms of their formation and structural details remain largely unknown. Objectives Here we studied the formation, ultrastructure and composition of platelet-derived microparticles from isolated human platelets, either quiescent or stimulated with one of the following activators: arachidonic acid, ADP, collagen, thrombin or calcium ionophore A23187. Methods Using flow cytometry, transmission and scanning electron microscopy, we analyzed the intracellular origin, structural diversity and size distributions of the subcellular particles released from platelets. Results The structure, dimensions and intracellular origin of microparticles depend on the cell-activating stimulus. The main structural groups include a vesicle surrounded by one thin membrane or multivesicular structures. Thrombin, unlike other stimuli, induced formation of microparticles not only from the platelet plasma membrane and cytoplasm but also from intracellular structures. A fraction of these vesicular particles having an intracellular origin contained organelles, such as mitochondria, glycogen granules and vacuoles. The size of platelet-derived microparticles depended on the nature of the cell-activating stimulus. Conclusion The results obtained provide a structural basis for the qualitative differences of various platelet activators, for specific physiological and pathological effects of microparticles, and for development of advanced assays.
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Affiliation(s)
- A A Ponomareva
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
- Kazan Institute of Biochemistry and Biophysics, Russian Academy of Sciences, Kazan, Russia Federation
| | - T A Nevzorova
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
| | - E R Mordakhanova
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
| | - I A Andrianova
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
| | - L Rauova
- The Children's Hospital of Philadelphia, Philadelphia, PA, USA
- University of Pennsylvania School of Medicine, Philadelphia, PA, USA
| | - R I Litvinov
- University of Pennsylvania School of Medicine, Philadelphia, PA, USA
| | - J W Weisel
- University of Pennsylvania School of Medicine, Philadelphia, PA, USA
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Abstract
Extracellular vesicles, such as exosomes and microvesicles, are host cell-derived packages of information that allow cell-cell communication and enable cells to rid themselves of unwanted substances. The release and uptake of extracellular vesicles has important physiological functions and may also contribute to the development and propagation of inflammatory, vascular, malignant, infectious and neurodegenerative diseases. This Review describes the different types of extracellular vesicles, how they are detected and the mechanisms by which they communicate with cells and transfer information. We also describe their physiological functions in cellular interactions, such as in thrombosis, immune modulation, cell proliferation, tissue regeneration and matrix modulation, with an emphasis on renal processes. We discuss how the detection of extracellular vesicles could be utilized as biomarkers of renal disease and how they might contribute to disease processes in the kidney, such as in acute kidney injury, chronic kidney disease, renal transplantation, thrombotic microangiopathies, vasculitides, IgA nephropathy, nephrotic syndrome, urinary tract infection, cystic kidney disease and tubulopathies. Finally, we consider how the release or uptake of extracellular vesicles can be blocked, as well as the associated benefits and risks, and how extracellular vesicles might be used to treat renal diseases by delivering therapeutics to specific cells.
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Affiliation(s)
- Diana Karpman
- Department of Pediatrics, Clinical Sciences Lund, Lund University, Klinikgatan 28, 22184 Lund, Sweden
| | - Anne-Lie Ståhl
- Department of Pediatrics, Clinical Sciences Lund, Lund University, Klinikgatan 28, 22184 Lund, Sweden
| | - Ida Arvidsson
- Department of Pediatrics, Clinical Sciences Lund, Lund University, Klinikgatan 28, 22184 Lund, Sweden
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The Antioxidant Machinery of Young and Senescent Human Umbilical Vein Endothelial Cells and Their Microvesicles. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017. [PMID: 28642812 PMCID: PMC5470024 DOI: 10.1155/2017/7094781] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
We examine the antioxidant role of young and senescent human umbilical vein endothelial cells (HUVECs) and their microvesicles (MVs). Proteomic and Western blot studies have shown young HUVECs to have a complete and well-developed antioxidant system. Their MVs also contain antioxidant molecules, though of a smaller and more specific range, specialized in the degradation of hydrogen peroxide and the superoxide anion via the thioredoxin-peroxiredoxin system. Senescence was shown to be associated with a large increase in the size of the antioxidant machinery in both HUVECs and their MVs. These responses might help HUVECs and their MVs deal with the more oxidising conditions found in older cells. Functional analysis confirmed the antioxidant machinery of the MVs to be active and to increase in size with senescence. No glutathione or nonpeptide antioxidant (ascorbic acid and vitamin E) activity was detected in the MVs. Endothelial cells and MVs seem to adapt to higher ROS concentrations in senescence by increasing their antioxidant machinery, although this is not enough to recover completely from the senescence-induced ROS increase. Moreover, MVs could be involved in the regulation of the blood plasma redox status by functioning as ROS scavengers.
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Zhao Z, Zhou Y, Tian Y, Li M, Dong JF, Zhang J. Cellular microparticles and pathophysiology of traumatic brain injury. Protein Cell 2017; 8:801-810. [PMID: 28466387 PMCID: PMC5676589 DOI: 10.1007/s13238-017-0414-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Accepted: 04/13/2017] [Indexed: 01/30/2023] Open
Abstract
Traumatic brain injury (TBI) is a leading cause of death and disability worldwide. The finding that cellular microparticles (MPs) generated by injured cells profoundly impact on pathological courses of TBI has paved the way for new diagnostic and therapeutic strategies. MPs are subcellular fragments or organelles that serve as carriers of lipids, adhesive receptors, cytokines, nucleic acids, and tissue-degrading enzymes that are unique to the parental cells. Their sub-micron sizes allow MPs to travel to areas that parental cells are unable to reach to exercise diverse biological functions. In this review, we summarize recent developments in identifying a casual role of MPs in the pathologies of TBI and suggest that MPs serve as a new class of therapeutic targets for the prevention and treatment of TBI and associated systemic complications.
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Affiliation(s)
- Zilong Zhao
- Department of Neurosurgery, Tianjin Institute of Neurology, Tianjin Medical University General Hospital, Tianjin, 300052, China.,BloodWorks Northwest Research Institute, Seattle, WA, 98102, USA
| | - Yuan Zhou
- Department of Neurosurgery, Tianjin Institute of Neurology, Tianjin Medical University General Hospital, Tianjin, 300052, China.,BloodWorks Northwest Research Institute, Seattle, WA, 98102, USA
| | - Ye Tian
- Department of Neurosurgery, Tianjin Institute of Neurology, Tianjin Medical University General Hospital, Tianjin, 300052, China
| | - Min Li
- Institute of Pathology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Jing-Fei Dong
- BloodWorks Northwest Research Institute, Seattle, WA, 98102, USA. .,Division of Hematology, Department of Medicine, School of Medicine, University of Washington, Seattle, WA, 98195, USA.
| | - Jianning Zhang
- Department of Neurosurgery, Tianjin Institute of Neurology, Tianjin Medical University General Hospital, Tianjin, 300052, China.
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Greene D, Botello-Smith WM, Follmer A, Xiao L, Lambros E, Luo R. Modeling Membrane Protein-Ligand Binding Interactions: The Human Purinergic Platelet Receptor. J Phys Chem B 2016; 120:12293-12304. [PMID: 27934233 PMCID: PMC5460638 DOI: 10.1021/acs.jpcb.6b09535] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Membrane proteins, due to their roles as cell receptors and signaling mediators, make prime candidates for drug targets. The computational analysis of protein-ligand binding affinities has been widely employed as a tool in rational drug design efforts. Although efficient implicit solvent-based methods for modeling globular protein-ligand binding have been around for many years, the extension of such methods to membrane protein-ligand binding is still in its infancy. In this study, we extended the widely used Amber/MMPBSA method to model membrane protein-ligand systems, and we used it to analyze protein-ligand binding for the human purinergic platelet receptor (P2Y12R), a prominent drug target in the inhibition of platelet aggregation for the prevention of myocardial infarction and stroke. The binding affinities, computed by the Amber/MMPBSA method using standard parameters, correlate well with experiment. A detailed investigation of these parameters was conducted to assess their impact on the accuracy of the method. These analyses show the importance of properly treating the nonpolar solvation interactions and the electrostatic polarization in the binding of nucleotide agonists and non-nucleotide antagonists to P2Y12R. On the basis of the crystal structures and the experimental conditions in the binding assay, we further hypothesized that the nucleotide agonists lose their bound magnesium ion upon binding to P2Y12R, and our computational study supports this hypothesis. Ultimately, this work illustrates the value of computational analysis in the interpretation of experimental binding reactions.
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Affiliation(s)
- D'Artagnan Greene
- Department of Molecular Biology and Biochemistry, University of California, Irvine, CA 92697
| | - Wesley M. Botello-Smith
- Department of Molecular Biology and Biochemistry, University of California, Irvine, CA 92697
- Chemical and Materials Physics Graduate Program, University of California, Irvine, CA 92697
- Department of Chemistry, University of California, Irvine, CA 92697
| | - Alec Follmer
- Department of Chemistry, University of California, Irvine, CA 92697
| | - Li Xiao
- Department of Molecular Biology and Biochemistry, University of California, Irvine, CA 92697
- Department of Biomedical Engineering, University of California, Irvine, CA 92697
| | - Eleftherios Lambros
- Department of Molecular Biology and Biochemistry, University of California, Irvine, CA 92697
| | - Ray Luo
- Department of Molecular Biology and Biochemistry, University of California, Irvine, CA 92697
- Chemical and Materials Physics Graduate Program, University of California, Irvine, CA 92697
- Department of Biomedical Engineering, University of California, Irvine, CA 92697
- Department of Chemical Engineering and Materials Science, University of California, Irvine, CA 92697
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Foster BP, Balassa T, Benen TD, Dominovic M, Elmadjian GK, Florova V, Fransolet MD, Kestlerova A, Kmiecik G, Kostadinova IA, Kyvelidou C, Meggyes M, Mincheva MN, Moro L, Pastuschek J, Spoldi V, Wandernoth P, Weber M, Toth B, Markert UR. Extracellular vesicles in blood, milk and body fluids of the female and male urogenital tract and with special regard to reproduction. Crit Rev Clin Lab Sci 2016; 53:379-95. [PMID: 27191915 DOI: 10.1080/10408363.2016.1190682] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Extracellular vesicles (EVs) are released from almost all cells and tissues. They are able to transport substances (e.g. proteins, RNA or DNA) at higher concentrations than in their environment and may adhere in a receptor-controlled manner to specific cells or tissues in order to release their content into the respective target structure. Blood contains high concentrations of EVs mainly derived from platelets, and, at a smaller amount, from erythrocytes. The female and male reproductive tracts produce EVs which may be associated with fertility or infertility and are released into body fluids and mucosas of the urogenital organs. In this review, the currently relevant detection methods are presented and critically compared. During pregnancy, placenta-derived EVs are dynamically detectable in peripheral blood with changing profiles depending upon progress of pregnancy and different pregnancy-associated pathologies, such as preeclampsia. EVs offer novel non-invasive diagnostic tools which may reflect the situation of the placenta and the foetus. EVs in urine have the potential of reflecting urogenital diseases including cancers of the neighbouring organs. Several methods for detection, quantification and phenotyping of EVs have been established, which include electron microscopy, flow cytometry, ELISA-like methods, Western blotting and analyses based on Brownian motion. This review article summarises the current knowledge about EVs in blood and cord blood, in the different compartments of the male and female reproductive tracts, in trophoblast cells from normal and pre-eclamptic pregnancies, in placenta ex vivo perfusate, in the amniotic fluid, and in breast milk, as well as their potential effects on natural killer cells as possible targets.
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Affiliation(s)
- B P Foster
- a Maternal and Fetal Health Research Centre, School of Biomedicine, University of Manchester, and Manchester Academic Health Sciences Centre, University Research , Manchester , UK
| | - T Balassa
- b Department of Medical Microbiology and Immunology , Medical School, University of Pécs , Pécs , Hungary
| | - T D Benen
- c Microtrac GmbH , Krefeld , Germany
| | - M Dominovic
- d Department of Physiology and Immunology , Medical Faculty, University of Rijeka , Rijeka , Croatia
| | - G K Elmadjian
- e Repro Inova Immunology Laboratory , Sofia , Bulgaria
| | - V Florova
- f Department of Obstetrics , Gynecology and Perinatology, First Moscow State Medical University , Moscow , Russia
| | - M D Fransolet
- g Laboratory of Tumor and Development Biology , GIGA-R, University of Liège , Liège , Belgium
| | - A Kestlerova
- h Institute of Medical Biochemistry and Laboratory Diagnostics, General University Hospital and First Faculty of Medicine , Charles University Prague , Czech Republic
- i Institute of Biophysics and Informatics, First Faculty of Medicine, Charles University , Prague , Czech Republic
| | - G Kmiecik
- j Centro di Ricerca E. Menni, Fondazione Poliambulanza Istituto Ospedaliero , Brescia , Italy
| | - I A Kostadinova
- k Department of Immunoneuroendocrinology , Institute of Biology and Immunology of Reproduction , Sofia , Bulgaria
| | - C Kyvelidou
- l Department of Biology , University of Crete , Crete , Greece
| | - M Meggyes
- b Department of Medical Microbiology and Immunology , Medical School, University of Pécs , Pécs , Hungary
| | - M N Mincheva
- m Repro Inova Immunology Laboratory , Sofia , Bulgaria
| | - L Moro
- n ISGlobal, Barcelona Centre for International Health Research (CRESIB), Hospital Clínic- Universitat de Barcelona , Barcelona , Spain
- o Department of Obstetrics , Placenta-Lab, University Hospital Jena , Jena , Germany
| | - J Pastuschek
- o Department of Obstetrics , Placenta-Lab, University Hospital Jena , Jena , Germany
| | - V Spoldi
- j Centro di Ricerca E. Menni, Fondazione Poliambulanza Istituto Ospedaliero , Brescia , Italy
| | - P Wandernoth
- p Institute of Anatomy, University Hospital, University Duisburg-Essen , Essen , Germany
| | - M Weber
- o Department of Obstetrics , Placenta-Lab, University Hospital Jena , Jena , Germany
| | - B Toth
- q Department of Gynecological Endocrinology and Fertility Disorders , Ruprecht-Karls University of Heidelberg , Heidelberg , Germany
| | - U R Markert
- o Department of Obstetrics , Placenta-Lab, University Hospital Jena , Jena , Germany
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42
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Badimon L, Suades R, Fuentes E, Palomo I, Padró T. Role of Platelet-Derived Microvesicles As Crosstalk Mediators in Atherothrombosis and Future Pharmacology Targets: A Link between Inflammation, Atherosclerosis, and Thrombosis. Front Pharmacol 2016; 7:293. [PMID: 27630570 PMCID: PMC5005978 DOI: 10.3389/fphar.2016.00293] [Citation(s) in RCA: 95] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Accepted: 08/22/2016] [Indexed: 12/24/2022] Open
Abstract
Reports in the last decade have suggested that the role of platelets in atherosclerosis and its thrombotic complications may be mediated, in part, by local secretion of platelet-derived microvesicles (pMVs), small cell blebs released during the platelet activation process. MVs are the most abundant cell-derived microvesicle subtype in the circulation. High concentrations of circulating MVs have been reported in patients with atherosclerosis, acute vascular syndromes, and/or diabetes mellitus, suggesting a potential correlation between the quantity of microvesicles and the clinical severity of the atherosclerotic disease. pMVs are considered to be biomarkers of disease but new information indicates that pMVs are also involved in signaling functions. pMVs evoke or promote haemostatic and inflammatory responses, neovascularization, cell survival, and apoptosis, processes involved in the pathophysiology of cardiovascular disease. This review is focused on the complex cross-talk between platelet-derived microvesicles, inflammatory cells and vascular elements and their relevance in the development of the atherosclerotic disease and its clinical outcomes, providing an updated state-of-the art of pMV involvement in atherothrombosis and pMV potential use as therapeutic agent influencing cardiovascular biomedicine in the future.
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Affiliation(s)
- Lina Badimon
- Cardiovascular Research Center, Consejo Superior de Investigaciones Científicas - Institut Català de Ciències Cardiovasculars, Institut d'Investigació Biomèdica Sant Pau, Hospital Santa Creu i Sant PauBarcelona, Spain; Cardiovascular Research Chair, Universitat Autònoma de BarcelonaBarcelona, Spain
| | - Rosa Suades
- Cardiovascular Research Center, Consejo Superior de Investigaciones Científicas - Institut Català de Ciències Cardiovasculars, Institut d'Investigació Biomèdica Sant Pau, Hospital Santa Creu i Sant Pau Barcelona, Spain
| | - Eduardo Fuentes
- Department of Clinical Biochemistry and Immunohematology, Faculty of Health Sciences, Interdisciplinary Excellence Research Program on Healthy Aging, Universidad de TalcaTalca, Chile; Centro de Estudios en Alimentos Procesados, Conicyt-RegionalGore-Maule, Talca, Chile
| | - Iván Palomo
- Department of Clinical Biochemistry and Immunohematology, Faculty of Health Sciences, Interdisciplinary Excellence Research Program on Healthy Aging, Universidad de TalcaTalca, Chile; Centro de Estudios en Alimentos Procesados, Conicyt-RegionalGore-Maule, Talca, Chile
| | - Teresa Padró
- Cardiovascular Research Center, Consejo Superior de Investigaciones Científicas - Institut Català de Ciències Cardiovasculars, Institut d'Investigació Biomèdica Sant Pau, Hospital Santa Creu i Sant Pau Barcelona, Spain
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43
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Yun JW, Xiao A, Tsunoda I, Minagar A, Alexander JS. From trash to treasure: The untapped potential of endothelial microparticles in neurovascular diseases. PATHOPHYSIOLOGY 2016; 23:265-274. [PMID: 27531185 DOI: 10.1016/j.pathophys.2016.08.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Revised: 08/04/2016] [Accepted: 08/12/2016] [Indexed: 02/08/2023] Open
Abstract
Discovered in 1947, microparticles (MP) represent a group of sub-micron cell-derived particles isolated by high speed centrifugation. Once regarded as cellular 'trash', in the past decade MP have gained tremendous attention in both basic sciences and medical research both as biomarkers and mediators of infection, injury and response to therapy. Because MP bear cell surface markers derived from parent cells, accumulate in extracellular fluids (plasma, serum, milk, urine, cerebrospinal fluid) MP based tests are being developed commercially as important components in 'liquid biopsy' approaches, providing valuable readouts in cardiovascular disease and cancer, as well as stroke, Alzheimer's disease and Multiple Sclerosis. Importantly, MP have been reported as mobile transport vectors in the intercellular transfer of mRNAs, microRNAs, lipids and proteins. Here we discuss MP structure, properties and functions with particular relevance to neurological and neurovascular diseases.
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Affiliation(s)
- J Winny Yun
- Departments of Molecular & Cellular Physiology, LSU Health Sciences Center, Shreveport, LA, United States
| | - Adam Xiao
- Departments of Molecular & Cellular Physiology, LSU Health Sciences Center, Shreveport, LA, United States
| | - Ikuo Tsunoda
- Departments of Neurology, LSU Health Sciences Center, Shreveport, LA, United States; Department of Microbiology, Kindai University, Faculty of Medicine, 377-2 Ohnohigashi, Osakasayama, Osaka, 589-8511, Japan
| | - Alireza Minagar
- Departments of Neurology, LSU Health Sciences Center, Shreveport, LA, United States
| | - J Steven Alexander
- Departments of Molecular & Cellular Physiology, LSU Health Sciences Center, Shreveport, LA, United States; Departments of Neurology, LSU Health Sciences Center, Shreveport, LA, United States.
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Flamant S, Tamarat R. Extracellular Vesicles and Vascular Injury: New Insights for Radiation Exposure. Radiat Res 2016; 186:203-18. [PMID: 27459703 DOI: 10.1667/rr14482.1] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This article reviews our current knowledge about cell-derived extracellular vesicles (EVs), including microparticles and exosomes, and their emergence as mediators of a new important mechanism of cell-to-cell communication. Particular emphasis has been given to the increasing involvement of EVs in the field of radiation-induced vascular injury. Although EVs have been considered for a long time as cell "dust", they in fact precisely reflect the physiological state of the cells. The role of microparticles and exosomes in mediating vascular dysfunction suggests that they may represent novel pathways in short- or long-distance paracrine intercellular signaling in vascular environment. In this article, the mechanisms involved in the biogenesis of microparticles and exosomes, their composition and participation in the pathogenesis of vascular dysfunction are discussed. Furthermore, this article highlights the concept of EVs as potent vectors of biological information and protagonists of an intercellular communication network. Special emphasis is made on EV-mediated microRNA transfer and on the principal consequences of such signal exchange on vascular injury and radiation-induced nontargeted effect. The recent progress in elucidating the biology of EVs has provided new insights for the field of radiation, advancing their use as diagnostic biomarkers or in therapeutic interventions.
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Affiliation(s)
- Stéphane Flamant
- Institute for Radiological Protection and Nuclear Safety (IRSN) PRP-HOM/SRBE/LR2I, Fontenay-aux-Roses, France
| | - Radia Tamarat
- Institute for Radiological Protection and Nuclear Safety (IRSN) PRP-HOM/SRBE/LR2I, Fontenay-aux-Roses, France
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45
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Carquin M, D'Auria L, Pollet H, Bongarzone ER, Tyteca D. Recent progress on lipid lateral heterogeneity in plasma membranes: From rafts to submicrometric domains. Prog Lipid Res 2015; 62:1-24. [PMID: 26738447 DOI: 10.1016/j.plipres.2015.12.004] [Citation(s) in RCA: 103] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2015] [Revised: 12/22/2015] [Accepted: 12/22/2015] [Indexed: 12/29/2022]
Abstract
The concept of transient nanometric domains known as lipid rafts has brought interest to reassess the validity of the Singer-Nicolson model of a fluid bilayer for cell membranes. However, this new view is still insufficient to explain the cellular control of surface lipid diversity or membrane deformability. During the past decades, the hypothesis that some lipids form large (submicrometric/mesoscale vs nanometric rafts) and stable (>min vs s) membrane domains has emerged, largely based on indirect methods. Morphological evidence for stable submicrometric lipid domains, well-accepted for artificial and highly specialized biological membranes, was further reported for a variety of living cells from prokaryot es to yeast and mammalian cells. However, results remained questioned based on limitations of available fluorescent tools, use of poor lipid fixatives, and imaging artifacts due to non-resolved membrane projections. In this review, we will discuss recent evidence generated using powerful and innovative approaches such as lipid-specific toxin fragments that support the existence of submicrometric domains. We will integrate documented mechanisms involved in the formation and maintenance of these domains, and provide a perspective on their relevance on membrane deformability and regulation of membrane protein distribution.
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Affiliation(s)
- Mélanie Carquin
- CELL Unit, de Duve Institute & Université Catholique de Louvain, UCL B1.75.05, Avenue Hippocrate, 75, B-1200 Brussels, Belgium
| | - Ludovic D'Auria
- The Myelin Regeneration Group at the Dept. Anatomy & Cell Biology, College of Medicine, University of Illinois, 808 S. Wood St. MC512, Chicago, IL. 60612. USA
| | - Hélène Pollet
- CELL Unit, de Duve Institute & Université Catholique de Louvain, UCL B1.75.05, Avenue Hippocrate, 75, B-1200 Brussels, Belgium
| | - Ernesto R Bongarzone
- The Myelin Regeneration Group at the Dept. Anatomy & Cell Biology, College of Medicine, University of Illinois, 808 S. Wood St. MC512, Chicago, IL. 60612. USA
| | - Donatienne Tyteca
- CELL Unit, de Duve Institute & Université Catholique de Louvain, UCL B1.75.05, Avenue Hippocrate, 75, B-1200 Brussels, Belgium.
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Ceroi A, Delettre FA, Marotel C, Gauthier T, Asgarova A, Biichlé S, Duperrier A, Mourey G, Perruche S, Lagrost L, Masson D, Saas P. The anti-inflammatory effects of platelet-derived microparticles in human plasmacytoid dendritic cells involve liver X receptor activation. Haematologica 2015; 101:e72-6. [PMID: 26635040 DOI: 10.3324/haematol.2015.135459] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Affiliation(s)
- Adam Ceroi
- INSERM, UMR1098, Besançon EFS Bourgogne Franche-Comté, UMR1098, Besançon Université Bourgogne Franche-Comté, UMR1098, Besançon LabEX LipSTIC, ANR-11-LABX-0021, Besançon/Dijon
| | - Fanny Angelot Delettre
- INSERM, UMR1098, Besançon EFS Bourgogne Franche-Comté, UMR1098, Besançon Université Bourgogne Franche-Comté, UMR1098, Besançon LabEX LipSTIC, ANR-11-LABX-0021, Besançon/Dijon
| | - Charline Marotel
- INSERM, UMR1098, Besançon EFS Bourgogne Franche-Comté, UMR1098, Besançon Université Bourgogne Franche-Comté, UMR1098, Besançon
| | - Thierry Gauthier
- INSERM, UMR1098, Besançon EFS Bourgogne Franche-Comté, UMR1098, Besançon Université Bourgogne Franche-Comté, UMR1098, Besançon LabEX LipSTIC, ANR-11-LABX-0021, Besançon/Dijon
| | - Afag Asgarova
- INSERM, UMR1098, Besançon EFS Bourgogne Franche-Comté, UMR1098, Besançon Université Bourgogne Franche-Comté, UMR1098, Besançon
| | - Sabéha Biichlé
- INSERM, UMR1098, Besançon EFS Bourgogne Franche-Comté, UMR1098, Besançon Université Bourgogne Franche-Comté, UMR1098, Besançon LabEX LipSTIC, ANR-11-LABX-0021, Besançon/Dijon
| | - Anne Duperrier
- INSERM, UMR1098, Besançon EFS Bourgogne Franche-Comté, UMR1098, Besançon Université Bourgogne Franche-Comté, UMR1098, Besançon
| | - Guillaume Mourey
- INSERM, UMR1098, Besançon EFS Bourgogne Franche-Comté, UMR1098, Besançon Université Bourgogne Franche-Comté, UMR1098, Besançon
| | - Sylvain Perruche
- INSERM, UMR1098, Besançon EFS Bourgogne Franche-Comté, UMR1098, Besançon Université Bourgogne Franche-Comté, UMR1098, Besançon LabEX LipSTIC, ANR-11-LABX-0021, Besançon/Dijon
| | - Laurent Lagrost
- LabEX LipSTIC, ANR-11-LABX-0021, Besançon/Dijon INSERM, U866, Dijon Université Bourgogne Franche-Comté, UMR866, Dijon CHRU Dijon
| | - David Masson
- LabEX LipSTIC, ANR-11-LABX-0021, Besançon/Dijon INSERM, U866, Dijon Université Bourgogne Franche-Comté, UMR866, Dijon CHRU Dijon
| | - Philippe Saas
- INSERM, UMR1098, Besançon EFS Bourgogne Franche-Comté, UMR1098, Besançon Université Bourgogne Franche-Comté, UMR1098, Besançon LabEX LipSTIC, ANR-11-LABX-0021, Besançon/Dijon CHRU Besançon, INSERM CIC1431, FHU INCREASE, France
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Einfinger K, Badrnya S, Furtmüller M, Handschuh D, Lindner H, Geiger M. Phospholipid Binding Protein C Inhibitor (PCI) Is Present on Microparticles Generated In Vitro and In Vivo. PLoS One 2015; 10:e0143137. [PMID: 26580551 PMCID: PMC4651509 DOI: 10.1371/journal.pone.0143137] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Accepted: 10/31/2015] [Indexed: 12/11/2022] Open
Abstract
Protein C inhibitor is a secreted, non-specific serine protease inhibitor with broad protease reactivity. It binds glycosaminoglycans and anionic phospholipids, which can modulate its activity. Anionic phospholipids, such as phosphatidylserine are normally localized to the inner leaflet of the plasma membrane, but are exposed on activated and apoptotic cells and on plasma membrane-derived microparticles. In this report we show by flow cytometry that microparticles derived from cultured cells and activated platelets incorporated protein C inhibitor during membrane blebbing. Moreover, protein C inhibitor is present in/on microparticles circulating in normal human plasma as judged from Western blots, ELISAs, flow cytometry, and mass spectrometry. These plasma microparticles are mainly derived from megakaryocytes. They seem to be saturated with protein C inhibitor, since they do not bind added fluorescence-labeled protein C inhibitor. Heparin partially removed microparticle-bound protein C inhibitor, supporting our assumption that protein C inhibitor is bound via phospholipids. To assess the biological role of microparticle-bound protein C inhibitor we performed protease inhibition assays and co-precipitated putative binding partners on microparticles with anti-protein C inhibitor IgG. As judged from amidolytic assays microparticle-bound protein C inhibitor did not inhibit activated protein C or thrombin, nor did microparticles modulate the activity of exogenous protein C inhibitor. Among the proteins co-precipitating with protein C inhibitor, complement factors, especially complement factor 3, were most striking. Taken together, our data do not support a major role of microparticle-associated protein C inhibitor in coagulation, but rather suggest an interaction with proteins of the complement system present on these phospholipid vesicles.
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Affiliation(s)
- Katrin Einfinger
- Center of Physiology and Pharmacology, Department of Vascular Biology and Thrombosis Research, Medical University of Vienna, Vienna, Austria
| | - Sigrun Badrnya
- Center of Physiology and Pharmacology, Department of Physiology, Medical University of Vienna, Vienna, Austria
| | - Margareta Furtmüller
- Center of Physiology and Pharmacology, Department of Vascular Biology and Thrombosis Research, Medical University of Vienna, Vienna, Austria
| | - Daniela Handschuh
- Center of Physiology and Pharmacology, Department of Vascular Biology and Thrombosis Research, Medical University of Vienna, Vienna, Austria
| | - Herbert Lindner
- Biocenter, Division of Clinical Biochemistry, Innsbruck Medical University, Innsbruck, Austria
| | - Margarethe Geiger
- Center of Physiology and Pharmacology, Department of Vascular Biology and Thrombosis Research, Medical University of Vienna, Vienna, Austria
- * E-mail:
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Botello-Smith WM, Luo R. Applications of MMPBSA to Membrane Proteins I: Efficient Numerical Solutions of Periodic Poisson-Boltzmann Equation. J Chem Inf Model 2015; 55:2187-99. [PMID: 26389966 DOI: 10.1021/acs.jcim.5b00341] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Continuum solvent models have been widely used in biomolecular modeling applications. Recently much attention has been given to inclusion of implicit membranes into existing continuum Poisson-Boltzmann solvent models to extend their applications to membrane systems. Inclusion of an implicit membrane complicates numerical solutions of the underlining Poisson-Boltzmann equation due to the dielectric inhomogeneity on the boundary surfaces of a computation grid. This can be alleviated by the use of the periodic boundary condition, a common practice in electrostatic computations in particle simulations. The conjugate gradient and successive over-relaxation methods are relatively straightforward to be adapted to periodic calculations, but their convergence rates are quite low, limiting their applications to free energy simulations that require a large number of conformations to be processed. To accelerate convergence, the Incomplete Cholesky preconditioning and the geometric multigrid methods have been extended to incorporate periodicity for biomolecular applications. Impressive convergence behaviors were found as in the previous applications of these numerical methods to tested biomolecules and MMPBSA calculations.
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Affiliation(s)
- Wesley M Botello-Smith
- Chemical Physics and Materials Physics Graduate Program, ‡Department of Chemistry, §Department of Molecular Biology and Biochemistry, ∥Department of Biomedical Engineering, and ⊥Department of Chemical Engineering and Materials Science, University of California , Irvine, California 92697, United States
| | - Ray Luo
- Chemical Physics and Materials Physics Graduate Program, ‡Department of Chemistry, §Department of Molecular Biology and Biochemistry, ∥Department of Biomedical Engineering, and ⊥Department of Chemical Engineering and Materials Science, University of California , Irvine, California 92697, United States
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Evander M, Gidlöf O, Olde B, Erlinge D, Laurell T. Non-contact acoustic capture of microparticles from small plasma volumes. LAB ON A CHIP 2015; 15:2588-96. [PMID: 25943791 DOI: 10.1039/c5lc00290g] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Microparticles (MP) are small (100-1000 nm) membrane vesicles shed by cells as a response to activation, stress or apoptosis. Platelet-derived MP (PMP) has been shown to reflect the pathophysiological processes of a range of cardiovascular diseases and there is a potential clinical value in using PMPs as biomarkers, as well as a need to better understand the biology of these vesicles. The current method for isolating MP depends on differential centrifugation steps, which require relatively large sample volumes and have been shown to compromise the integrity and composition of the MP population. We present a novel method for rapid, non-contact capture of PMP in minute sample volumes based on a microscale acoustic standing wave technology. Capture of PMPs from plasma is shown by scanning electron microscopy and flow cytometry. Furthermore, the system is characterized with regards to plasma sample concentration and flow rate. Finally, the technique is compared to a standard differential centrifugation protocol using samples from both healthy controls and ST-elevation myocardial infarction (STEMI) patient samples. The acoustic system is shown to offer a quick and automated setup for extracting microparticles from small sample volumes with higher recovery than a standard differential centrifugation protocol.
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Affiliation(s)
- Mikael Evander
- Department of Biomedical Engineering, Lund University, Box 118, 221 00 Lund, Sweden.
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Avoiding false positive antigen detection by flow cytometry on blood cell derived microparticles: the importance of an appropriate negative control. PLoS One 2015; 10:e0127209. [PMID: 25978814 PMCID: PMC4433223 DOI: 10.1371/journal.pone.0127209] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2014] [Accepted: 04/13/2015] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Microparticles (MPs), also called microvesicles (MVs) are plasma membrane-derived fragments with sizes ranging from 0.1 to 1μm. Characterization of these MPs is often performed by flow cytometry but there is no consensus on the appropriate negative control to use that can lead to false positive results. MATERIALS AND METHODS We analyzed MPs from platelets, B-cells, T-cells, NK-cells, monocytes, and chronic lymphocytic leukemia (CLL) B-cells. Cells were purified by positive magnetic-separation and cultured for 48h. Cells and MPs were characterized using the following monoclonal antibodies (CD19,20 for B-cells, CD3,8,5,27 for T-cells, CD16,56 for NK-cells, CD14,11c for monocytes, CD41,61 for platelets). Isolated MPs were stained with annexin-V-FITC and gated between 300nm and 900nm. The latex bead technique was then performed for easy detection of MPs. Samples were analyzed by Transmission (TEM) and Scanning Electron microscopy (SEM). RESULTS Annexin-V positive events within a gate of 300-900nm were detected and defined as MPs. Our results confirmed that the characteristic antigens CD41/CD61 were found on platelet-derived-MPs validating our technique. However, for MPs derived from other cell types, we were unable to detect any antigen, although they were clearly expressed on the MP-producing cells in the contrary of several data published in the literature. Using the latex bead technique, we confirmed detection of CD41,61. However, the apparent expression of other antigens (already deemed positive in several studies) was determined to be false positive, indicated by negative controls (same labeling was used on MPs from different origins). CONCLUSION We observed that mother cell antigens were not always detected on corresponding MPs by direct flow cytometry or latex bead cytometry. Our data highlighted that false positive results could be generated due to antibody aspecificity and that phenotypic characterization of MPs is a difficult field requiring the use of several negative controls.
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