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Saenz-Pipaon G, Cenarro A, Zazpe J, Goñi-Oloriz M, Martinez-Aguilar E, Machado FJD, Marchese FP, Orbe J, López-Andrés N, Civeira F, Paramo JA, Lara-Astiaso D, Roncal C. Novel protocol for the transcriptomic analysis of endothelial extracellular vesicles in atherosclerosis. CLINICA E INVESTIGACION EN ARTERIOSCLEROSIS : PUBLICACION OFICIAL DE LA SOCIEDAD ESPANOLA DE ARTERIOSCLEROSIS 2024:S0214-9168(24)00079-2. [PMID: 39271430 DOI: 10.1016/j.arteri.2024.08.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Revised: 07/16/2024] [Accepted: 08/22/2024] [Indexed: 09/15/2024]
Abstract
INTRODUCTION Despite the key role of the endothelium in atherosclerosis, there are no direct techniques for its analysis. The study of extracellular vesicles of endothelial origin (EEVs), might lead to the identification of molecular signatures and early biomarkers of atherosclerosis. The aim of this work was to set up the methods for EEVs separation and transcriptomic analysis. METHODS We adapted an antibody-magnetic-bead based immunocapture protocol for plasma EEVs separation from control (G1), subclinical atherosclerosis (G2) and peripheral artery disease subjects (PAD) (G3), and modified an ultra-low input RNASeq method (n=5/group). By bioinformatics analysis we compared the transcriptome of plasma EEVs with that of human aortic endothelial cells (TeloHAECs), and then, searched for differentially expressed genes (DEG) among EEVs of G1, G2 and G3. From those DEG, UCP2 was selected for further validation in plasma EVs (qPCR), and in vitro, in stimulated TeloHAECs (IL-1β, TNFα, oxLDL and hypoxia). RESULTS The RNASeq analysis of plasma EEVs rendered 1667 genes enriched in transcripts expressed by TeloHAECs (NES: 1.93, p adjust=1.4e-73). One hundred seventy DEGs were identified between G2 vs G1, and 180 between G3 vs G1, of which 17 were similarly expressed in G2 and G3 vs control, including UCP2. IL-1β and TNFα (10ng/mL, p<0.05), hypoxia (1% O2, p=0.05) and oxLDL (100μg/mL, p=0.055) reduced UCP2 expression in TeloHAECs. CONCLUSIONS We set up a protocol for EEVs separation and sequencing that might be useful for the identification of early markers of endothelial dysfunction in atherosclerosis.
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Affiliation(s)
- Goren Saenz-Pipaon
- Laboratorio de Aterotrombosis, Programa de Enfermedades Cardiovasculares, Cima Universidad de Navarra, Pamplona, Spain; IdiSNA, Pamplona, Spain
| | - Ana Cenarro
- Hospital Universitario Miguel Servet, Zaragoza, Spain; Instituto de Investigación Sanitaria Aragón (IIS Aragón), Universidad de Zaragoza, Zaragoza, Spain; CIBERCV, Madrid, Spain
| | - Jon Zazpe
- IdiSNA, Pamplona, Spain; Plataforma de Genómica, Cima Universidad de Navarra, Pamplona, Spain
| | - Miriam Goñi-Oloriz
- IdiSNA, Pamplona, Spain; Cardiovascular Translational Research, Navarrabiomed, Hospital Universitario de Navarra (HUN), Universidad Pública de Navarra (UPNA), Spain
| | - Esther Martinez-Aguilar
- IdiSNA, Pamplona, Spain; Departamento de Angiología y Cirugía Vascular, Hospital Universitario de Navarra, Pamplona, Spain
| | - Florencio J D Machado
- Laboratorio de Aterotrombosis, Programa de Enfermedades Cardiovasculares, Cima Universidad de Navarra, Pamplona, Spain
| | - Francesco P Marchese
- IdiSNA, Pamplona, Spain; Plataforma de Genómica, Cima Universidad de Navarra, Pamplona, Spain
| | - Josune Orbe
- Laboratorio de Aterotrombosis, Programa de Enfermedades Cardiovasculares, Cima Universidad de Navarra, Pamplona, Spain; IdiSNA, Pamplona, Spain; Ricors Ictus, Madrid, Spain
| | - Natalia López-Andrés
- IdiSNA, Pamplona, Spain; Cardiovascular Translational Research, Navarrabiomed, Hospital Universitario de Navarra (HUN), Universidad Pública de Navarra (UPNA), Spain
| | - Fernando Civeira
- Hospital Universitario Miguel Servet, Zaragoza, Spain; Instituto de Investigación Sanitaria Aragón (IIS Aragón), Universidad de Zaragoza, Zaragoza, Spain; CIBERCV, Madrid, Spain
| | - Jose A Paramo
- Laboratorio de Aterotrombosis, Programa de Enfermedades Cardiovasculares, Cima Universidad de Navarra, Pamplona, Spain; IdiSNA, Pamplona, Spain; CIBERCV, Madrid, Spain; Servicio de Hematología, Clínica Universidad de Navarra, Pamplona, Spain
| | | | - Carmen Roncal
- Laboratorio de Aterotrombosis, Programa de Enfermedades Cardiovasculares, Cima Universidad de Navarra, Pamplona, Spain; IdiSNA, Pamplona, Spain; CIBERCV, Madrid, Spain.
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Das K, Rao LVM. Coagulation protease-induced extracellular vesicles: their potential effects on coagulation and inflammation. J Thromb Haemost 2024:S1538-7836(24)00441-0. [PMID: 39127325 DOI: 10.1016/j.jtha.2024.07.022] [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: 04/26/2024] [Revised: 07/09/2024] [Accepted: 07/15/2024] [Indexed: 08/12/2024]
Abstract
Coagulation proteases, in addition to playing an essential role in blood coagulation, often influence diverse cellular functions by inducing specific signaling pathways via the activation of protease-activated receptors (PARs). PAR activation-induced cellular effects are known to be cell-specific as PARs are expressed selectively in specific cell types. However, a growing body of evidence indicates that coagulation protease-induced PAR activation in a specific cell type could affect cellular responses in other cell types via communicating through extracellular vesicles (EVs) as coagulation protease-induced PAR signaling could promote the release of EVs in various cell types. EVs are membrane-enclosed nanosized vesicles that facilitate intercellular communication by transferring bioactive molecules, such as proteins, lipids, messenger RNAs, and microRNAs, etc., from donor cells to recipient cells. Our recent findings established that factor (F)VIIa promotes the release of EVs from vascular endothelium via endothelial cell protein C receptor-dependent activation of PAR1-mediated biased signaling. FVIIa-released EVs exhibit procoagulant activity and cytoprotective responses in both in vitro and in vivo model systems. This review discusses how FVIIa and other coagulation proteases trigger the release of EVs. The review specifically discusses how FVIIa-released EVs are enriched with phosphatidylserine and anti-inflammatory microRNAs and the impact of FVIIa-released EVs on hemostasis in therapeutic settings. The review also briefly highlights the therapeutic potential of FVIIa-released EVs in treating bleeding and inflammatory disorders, such as hemophilic arthropathy.
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Affiliation(s)
- Kaushik Das
- Biotechnology Research and Innovation Council-National Institute of Biomedical Genomics, Kalyani, West Bengal, India
| | - L Vijaya Mohan Rao
- Department of Cellular and Molecular Biology, The University of Texas at Tyler School of Medicine, The University of Texas at Tyler Health Science Center, Tyler, Texas, USA.
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Li S, Anwar IJ, Canning AJ, Vo-Dinh T, Kirk AD, Xu H. Xenorecognition and costimulation of porcine endothelium-derived extracellular vesicles in initiating human porcine-specific T cell immune responses. Am J Transplant 2023; 23:904-919. [PMID: 37054891 PMCID: PMC10330644 DOI: 10.1016/j.ajt.2023.04.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 04/02/2023] [Accepted: 04/04/2023] [Indexed: 04/15/2023]
Abstract
Porcine vascular endothelial cells (PECs) form a mechanistic centerpiece of xenograft rejection. Here, we determined that resting PECs release swine leukocyte antigen class I (SLA-I) but not swine leukocyte antigen class-II DR (SLA-DR) expressing extracellular vesicles (EVs) and investigated whether these EVs proficiently initiate xenoreactive T cell responses via direct xenorecognition and costimulation. Human T cells acquired SLA-I+ EVs with or without direct contact to PECs, and these EVs colocalized with T cell receptors. Although interferon gamma-activated PECs released SLA-DR+ EVs, the binding of SLA-DR+ EVs to T cells was sparse. Human T cells demonstrated low levels of proliferation without direct contact to PECs, but marked T cell proliferation was induced following exposure to EVs. EV-induced proliferation proceeded independent of monocytes/macrophages, suggesting that EVs delivered both a T cell receptor signal and costimulation. Costimulation blockade targeting B7, CD40L, or CD11a significantly reduced T cell proliferation to PEC-derived EVs. These findings indicate that endothelial-derived EVs can directly initiate T cell-mediated immune responses, and suggest that inhibiting the release of SLA-I EVs from organ xenografts has the potential to modify the xenograft rejection. We propose a secondary-direct pathway for T cell activation via xenoantigen recognition/costimulation by endothelial-derived EVs.
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Affiliation(s)
- Shu Li
- Department of Surgery, Duke University School of Medicine, Durham, North Carolina, USA
| | - Imran J Anwar
- Department of Surgery, Duke University School of Medicine, Durham, North Carolina, USA
| | - Aidan J Canning
- Department of Biomedical Engineering, Duke University School of Medicine, Durham, North Carolina, USA
| | - Tuan Vo-Dinh
- Department of Biomedical Engineering, Duke University School of Medicine, Durham, North Carolina, USA
| | - Allan D Kirk
- Department of Surgery, Duke University School of Medicine, Durham, North Carolina, USA; Department of Immunology, Duke University School of Medicine, Durham, North Carolina, USA
| | - He Xu
- Department of Surgery, Duke University School of Medicine, Durham, North Carolina, USA.
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Zhao X, Han J, Zhou L, Zhao J, Huang M, Wang Y, Kou J, Kou Y, Jin J. High mobility group box 1 derived mainly from platelet microparticles exacerbates microvascular obstruction in no reflow. Thromb Res 2023; 222:49-62. [PMID: 36566704 DOI: 10.1016/j.thromres.2022.12.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 12/07/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022]
Abstract
INTRODUCTION No reflow manifests coronary microvascular injury caused by continuous severe myocardial ischemia and reperfusion. Microvascular obstruction (MVO) has emerged as one fundamental mechanism of no reflow. However, the underlying pathophysiology remains incompletely defined. Herein, we explore the contribution of high mobility group box 1 (HMGB1), derived mainly from platelet microparticles exacerbating MVO in no reflow. MATERIALS AND METHODS 44 STEMI patients undergoing successful primary percutaneous coronary intervention (PCI) were included in our study. Plasma HMGB1 levels in both the peripheral artery (PA) and infarct-related coronary artery (IRA) were measured by ELISA. Flow cytometry and confocal microscopy assessed the level of HMGB1+ platelet derived microparticles (PMPs) and platelet activation. Flow cytometry and western blot evaluated the procoagulant activity (PCA) and the release of inflammatory factors of human microvascular endothelial cells (HCEMCs). RESULTS HMGB1 levels were significantly higher in the IRA in no-reflow patients. The levels of HMGB1+ PMPs were considerably higher in the IRA of patients with no reflow and were strongly associated with platelet activation. Moreover, our results show that HMGB1 interacts with human microvascular endothelial cells primarily through TLR4, inducing HCMEC proinflammatory, procoagulant phenotype, and monocyte recruitment, accelerating microvascular obstruction and facilitating the development of no reflow. CONCLUSION Our results illustrate a novel mechanism by which HMGB1, derived mainly from PMPs, plays a crucial role in the pathogenesis of no-reflow, revealing a novel therapeutic target.
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Affiliation(s)
- Xinyi Zhao
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China; The Key Laboratory of Myocardial Ischemia, Ministry of Education, Heilongjiang Province, Harbin, China
| | - Jianbin Han
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China; The Key Laboratory of Myocardial Ischemia, Ministry of Education, Heilongjiang Province, Harbin, China
| | - Lijin Zhou
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jinjin Zhao
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China; The Key Laboratory of Myocardial Ischemia, Ministry of Education, Heilongjiang Province, Harbin, China
| | - Meijiao Huang
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China; The Key Laboratory of Myocardial Ischemia, Ministry of Education, Heilongjiang Province, Harbin, China
| | - Yueqing Wang
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China; The Key Laboratory of Myocardial Ischemia, Ministry of Education, Heilongjiang Province, Harbin, China
| | - Junjie Kou
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China; The Key Laboratory of Myocardial Ischemia, Ministry of Education, Heilongjiang Province, Harbin, China.
| | - Yan Kou
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China; The Key Laboratory of Myocardial Ischemia, Ministry of Education, Heilongjiang Province, Harbin, China.
| | - Jiaqi Jin
- The Key Laboratory of Myocardial Ischemia, Ministry of Education, Heilongjiang Province, Harbin, China; Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China.
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Ma X, Liao X, Liu J, Wang Y, Wang X, Chen Y, Yin X, Pan Q. Circulating endothelial microvesicles and their carried miR-125a-5p: potential biomarkers for ischaemic stroke. Stroke Vasc Neurol 2022; 8:89-102. [PMID: 36109098 PMCID: PMC10176997 DOI: 10.1136/svn-2021-001476] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Accepted: 09/02/2022] [Indexed: 11/04/2022] Open
Abstract
BackgroundEndothelial microvesicles (EMVs) are closely associated with the status of endothelial cells (ECs). Our earlier study has shown that EMVs could exert protective roles in ECs by transferring their carried miR-125a-5p. However, whether circulating EMVs and their carried miR-125a-5p can be used as biomarkers in ischaemic stroke (IS) are remain unknown.MethodsWe recruited 72 subjects with IS, 60 subjects with high stroke risk and 56 age-matched controls. The circulating EMVs and their carried miR-125a-5p (EMV-miR-125a-5p) levels were detected. We used microRNA (miR) array to study expression changes of miRs in plasma EMVs samples of three IS patients and three matched healthy controls. Transient middle cerebral artery occlusion (tMCAO) was used to establish IS mouse model.ResultsEMVs level was obviously elevated in IS patients, with the highest level in acute stage, and was positively related to carotid plaque, carotid intima–media thickness (IMT), National Institutes of Health Stroke Scale (NIHSS), infarct volume. On the contrary, we observed that EMV-miR-125a-5p level was obviously reduced in IS, with the lowest level in acute stage, and was negatively correlated with carotid plaque, IMT, NIHSS scores, infarct volume. EMVs and EMV-miR-125a-5p levels were closely related with large artery atherosclerosis subgroup. Importantly, EMVs and EMV-miR-125a-5p levels could serve as independent risk factors, and receiver operating characteristic curve achieved an area under curve (AUC) of 0.720 and 0.832 for IS, respectively, and elevated to 0.881 after their combination. In IS mouse model, control EMVs or n-EMVs administration could decrease the infarct volume and neurological deficit score, while increase the cerebral blood flow of IS mice compared with vehicle group, while IS EMVs or oxygen and glucose deprivation (OGD)-EMVs administration aggravated the tMCAO induced ischaemic injury. In addition, we observed that OGD EMVmiR-125a-5p could partially ameliorate the OGD EMVs induced brain injury after IS.ConclusionsThese findings demonstrate that circulating EMVs and EMV-miR-125a-5p are closely related with the occurrence, progress, subtypes and severity of IS, and they can serve as innovative biomarkers and therapeutic targets for IS, especially when they are combined.
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Affiliation(s)
- Xiaotang Ma
- Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Xiaorong Liao
- Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Jiehong Liu
- Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Yan Wang
- Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Xiang Wang
- Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Yanfang Chen
- Pharmacology and Toxicology, Wright State University Boonshoft School of Medicine, Dayton, Ohio, USA
| | - Xiaojian Yin
- Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Qunwen Pan
- Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
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Gao J, Zhang X, Jiang L, Li Y, Zheng Q. Tumor endothelial cell-derived extracellular vesicles contribute to tumor microenvironment remodeling. Cell Commun Signal 2022; 20:97. [PMID: 35752798 PMCID: PMC9233793 DOI: 10.1186/s12964-022-00904-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 05/22/2022] [Indexed: 11/12/2022] Open
Abstract
Cancer progression involves several biological steps where angiogenesis is a key tumorigenic phenomenon. Extracellular vesicles (EVs) derived from tumor cells and other cells in the tumor microenvironment (TME) help modulate and maintain favorable microenvironments for tumors. Endothelial cells (ECs) activated by cancer-derived EVs have important roles in tumor angiogenesis. Interestingly, EVs from ECs activate tumor cells, i.e. extracellular matrix (ECM) remodeling and provide more supplements for tumor cells. Thus, EV communications between cancer cells and ECs may be effective therapeutic targets for controlling cancer progression. In this review, we describe the current knowledge on EVs derived from ECs and we examine how these EVs affect TME remodeling. Video abstract
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Affiliation(s)
- Jian Gao
- Department of Pathophysiology, College of Basic Medical Science, China Medical University, Shenyang, 110122, China.,Science Experiment Center of China Medical University, Shenyang, 110122, China
| | - Xiaodong Zhang
- Department of General Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing, 100000, China.,National Clinical Research Center for Digestive Diseases, Beijing, 100000, China
| | - Lei Jiang
- Department of General Surgery, Affiliated Hospital of Jinzhou Medical University, Jinzhou, 121000, China
| | - Yan Li
- Department of Radiotherapy, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, 121000, China.
| | - Qianqian Zheng
- Department of Pathophysiology, College of Basic Medical Science, China Medical University, Shenyang, 110122, China.
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Mirfakhraie R, Noorazar L, Mohammadian M, Hajifathali A, Gholizadeh M, Salimi M, Sankanian G, Roshandel E, Mehdizadeh M. Treatment Failure in Acute Myeloid Leukemia: Focus on the Role of Extracellular Vesicles. Leuk Res 2021; 112:106751. [PMID: 34808592 DOI: 10.1016/j.leukres.2021.106751] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Revised: 11/11/2021] [Accepted: 11/15/2021] [Indexed: 12/12/2022]
Abstract
Acute myeloblastic leukemia (AML) is one of the most common types of blood malignancies that results in an AML-associated high mortality rate each year. Several causes have been reported as prognostic factors for AML in children and adults, the most important of which are cytogenetic abnormalities and environmental risk factors. Following the discovery of numerous drugs for AML treatment, leukemic cells sought a way to escape from the cytotoxic effects of chemotherapy drugs, leading to treatment failure. Nowadays, comprehensive studies have looked at the role of extracellular vesicles (EVs) secreted by AML blasts and how the microenvironment of the tumor changes in favor of cancer progression and survival to discover the mechanisms of treatment failure to choose the well-advised treatment. Reports show that malignant cells secrete EVs that transmit messages to adjacent cells and the tumor's microenvironment. By secreting EVs, containing immune-inhibiting cytokines, AML cells inactivate the immune system against malignant cells, thus ensuring their survival. Also, increased secretion of EVs in various malignancies indicates an unfavorable prognostic factor and the possibility of drug resistance. In this study, we briefly reviewed the challenges of treating AML with a glance at the EVs' role in this process. It is hoped that with a deeper understanding of EVs, new therapies will be developed to eliminate the relapse of leukemic cells.
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Affiliation(s)
- Reza Mirfakhraie
- Hematopoietic Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Leila Noorazar
- Hematopoietic Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Mozhdeh Mohammadian
- Hematopoietic Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Abbas Hajifathali
- Hematopoietic Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Majid Gholizadeh
- Hematopoietic Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Maryam Salimi
- Hematopoietic Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Ghazaleh Sankanian
- Hematopoietic Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Elham Roshandel
- Hematopoietic Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Mahshid Mehdizadeh
- Hematopoietic Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Zifkos K, Dubois C, Schäfer K. Extracellular Vesicles and Thrombosis: Update on the Clinical and Experimental Evidence. Int J Mol Sci 2021; 22:ijms22179317. [PMID: 34502228 PMCID: PMC8431093 DOI: 10.3390/ijms22179317] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 08/24/2021] [Accepted: 08/25/2021] [Indexed: 12/16/2022] Open
Abstract
Extracellular vesicles (EVs) compose a heterogenous group of membrane-derived particles, including exosomes, microvesicles and apoptotic bodies, which are released into the extracellular environment in response to proinflammatory or proapoptotic stimuli. From earlier studies suggesting that EV shedding constitutes a cellular clearance mechanism, it has become evident that EV formation, secretion and uptake represent important mechanisms of intercellular communication and exchange of a wide variety of molecules, with relevance in both physiological and pathological situations. The putative role of EVs in hemostasis and thrombosis is supported by clinical and experimental studies unraveling how these cell-derived structures affect clot formation (and resolution). From those studies, it has become clear that the prothrombotic effects of EVs are not restricted to the exposure of tissue factor (TF) and phosphatidylserines (PS), but also involve multiplication of procoagulant surfaces, cross-linking of different cellular players at the site of injury and transfer of activation signals to other cell types. Here, we summarize the existing and novel clinical and experimental evidence on the role and function of EVs during arterial and venous thrombus formation and how they may be used as biomarkers as well as therapeutic vectors.
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Affiliation(s)
- Konstantinos Zifkos
- Center for Thrombosis and Hemostasis, University Medical Center Mainz, D-55131 Mainz, Germany;
| | - Christophe Dubois
- Aix Marseille University, INSERM 1263, Institut National de la Recherche pour l’Agriculture, l’alimentation et l’Environnement (INRAE) 1260, Center for CardioVascular and Nutrition Research (C2VN), F-13380 Marseille, France;
| | - Katrin Schäfer
- Department of Cardiology, Cardiology I, University Medical Center Mainz, D-55131 Mainz, Germany
- Correspondence:
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Erkens R, Totzeck M, Brum A, Duse D, Bøtker HE, Rassaf T, Kelm M. Endothelium-dependent remote signaling in ischemia and reperfusion: Alterations in the cardiometabolic continuum. Free Radic Biol Med 2021; 165:265-281. [PMID: 33497796 DOI: 10.1016/j.freeradbiomed.2021.01.040] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 01/15/2021] [Accepted: 01/19/2021] [Indexed: 02/07/2023]
Abstract
Intact endothelial function plays a fundamental role for the maintenance of cardiovascular (CV) health. The endothelium is also involved in remote signaling pathway-mediated protection against ischemia/reperfusion (I/R) injury. However, the transfer of these protective signals into clinical practice has been hampered by the complex metabolic alterations frequently observed in the cardiometabolic continuum, which affect redox balance and inflammatory pathways. Despite recent advances in determining the distinct roles of hyperglycemia, insulin resistance (InR), hyperinsulinemia, and ultimately diabetes mellitus (DM), which define the cardiometabolic continuum, our understanding of how these conditions modulate endothelial signaling remains challenging. It is widely accepted that endothelial cells (ECs) undergo functional changes within the cardiometabolic continuum. Beyond vascular tone and platelet-endothelium interaction, endothelial dysfunction may have profound negative effects on outcome during I/R. In this review, we summarize the current knowledge of the influence of hyperglycemia, InR, hyperinsulinemia, and DM on endothelial function and redox balance, their influence on remote protective signaling pathways, and their impact on potential therapeutic strategies to optimize protective heterocellular signaling.
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Affiliation(s)
- Ralf Erkens
- Department of Cardiology, Pulmonology and Angiology Medical Faculty, Heinrich Heine University of Düsseldorf, Düsseldorf, Germany.
| | - Matthias Totzeck
- Department of Cardiology and Vascular Medicine, West German Heart and Vascular Center, University Hospital Essen, Germany
| | - Amanda Brum
- Department of Cardiology, Pulmonology and Angiology Medical Faculty, Heinrich Heine University of Düsseldorf, Düsseldorf, Germany
| | - Dragos Duse
- Department of Cardiology, Pulmonology and Angiology Medical Faculty, Heinrich Heine University of Düsseldorf, Düsseldorf, Germany
| | - Hans Erik Bøtker
- Department of Cardiology, Institute of Clinical Medicine, Aarhus University Hospital, Denmark
| | - Tienush Rassaf
- Department of Cardiology and Vascular Medicine, West German Heart and Vascular Center, University Hospital Essen, Germany
| | - Malte Kelm
- Department of Cardiology, Pulmonology and Angiology Medical Faculty, Heinrich Heine University of Düsseldorf, Düsseldorf, Germany.
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Zahran AM, El-Badawy O, Ali WA, Mahran ZG, Mahran EEMO, Rayan A. Circulating microparticles and activated platelets as novel prognostic biomarkers in COVID-19; relation to cancer. PLoS One 2021; 16:e0246806. [PMID: 33617530 PMCID: PMC7899358 DOI: 10.1371/journal.pone.0246806] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 01/26/2021] [Indexed: 01/08/2023] Open
Abstract
Background and aim The study aimed to determine whether the MPs levels and platelet activation are affected by the COVID-19 infection in both malignant and non-malignant patients compared to healthy individuals and define their contribution to the COVID-19 associated coagulopathy and the relation of these MPs to other hematologic parameters. Patients and methods We recruited 23 malignant patients with reverse transcription polymerase chain reaction (RT-PCR) positive COVID-19, also, 19 COVID-19 non-malignant patients, and 20 healthy volunteers were also enrolled for comparison. Blood samples were collected from patients and healthy donors into 5 mL vacutainer tube containing 3.5% buffered sodium citrate solution for measurement of total microparticles (TMPs), platelet microparticles (PMPs), endothelial microparticles (EMPs), CD62 activated platelets, and CD41 platelet marker. Results COVID-19 malignant patients had significantly lower hemoglobin and platelets compared to COVID non-malignant ones, while they had significantly higher C-reactive protein, LDH, AST, Albunim, creatinine, and prognostic index (PI) compared to COVID-19 non-malignant patients. significant accumulations of TMPs, PMPs, EMPs, and activated platelets in COVID-19 affected patients compared to healthy controls. TMPs, and EMPs were significantly accumulated in COVID-19 malignant compared to COVID-19 non-malignant patients with no significant difference in PMPs between both. Conclusion Circulating MPs and activated platelets may be promising novel prognostic biomarkers capable of identifying potentially severe COVID-19 patients who require immediate care especially in cancer patients.
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Affiliation(s)
- Asmaa M. Zahran
- Department of Clinical Pathology, South Egypt Cancer Institute, Assiut University, Assiut, Egypt
| | - Omnia El-Badawy
- Department of Medical Microbiology and Immunology, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Wageeh A. Ali
- Diagnostic and Interventional Radiology Department, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Zainab Gaber Mahran
- Department of Tropical Medicine and Gastroenterology, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Essam Eldeen M. O. Mahran
- Department of Tropical Medicine and Gastroenterology, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Amal Rayan
- Clinical Oncology Department, Faculty of Medicine, Assiut University, Assiut, Egypt
- * E-mail: ,
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11
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Grant D, Wanner N, Frimel M, Erzurum S, Asosingh K. Comprehensive phenotyping of endothelial cells using flow cytometry 2: Human. Cytometry A 2020; 99:257-264. [PMID: 33369145 DOI: 10.1002/cyto.a.24293] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
In vascular research, clinical samples and samples from animal models are often used together to foster translation of preclinical findings to humans. General concepts of endothelia and murine-specific endothelial phenotypes were discussed in part 1 of this two part series. Here, in part 2, we present a comprehensive overview of human-specific endothelial phenotypes. Pan-endothelial cell markers, organ specific endothelial antigens, and flow cytometric immunophenotyping of blood-borne endothelial cells are reviewed.
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Affiliation(s)
- Dillon Grant
- Department of Inflammation and Immunity, Cleveland Clinic, Cleveland, Ohio, USA
| | - Nicholas Wanner
- Department of Inflammation and Immunity, Cleveland Clinic, Cleveland, Ohio, USA
| | - Matthew Frimel
- Department of Inflammation and Immunity, Cleveland Clinic, Cleveland, Ohio, USA
| | - Serpil Erzurum
- Department of Inflammation and Immunity, Cleveland Clinic, Cleveland, Ohio, USA
| | - Kewal Asosingh
- Department of Inflammation and Immunity, Cleveland Clinic, Cleveland, Ohio, USA.,Flow Cytometry Core Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
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12
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Anti-endothelial cell antibodies are associated with apoptotic endothelial microparticles, endothelial sloughing and decrease in angiogenic progenitors in systemic sclerosis. Postepy Dermatol Alergol 2020; 37:725-735. [PMID: 33240013 PMCID: PMC7675085 DOI: 10.5114/ada.2019.84230] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Accepted: 03/11/2019] [Indexed: 11/18/2022] Open
Abstract
Introduction Evidence has accumulated for the role of endothelial damage in systemic sclerosis (SSc) and the anti-endothelial cell antibodies (AECAs) might underlie vascular injury. Aim Since endothelial microparticles (EMPs) and circulating endothelial cells (CECs) reflect endothelial damage, we aimed to investigate their possible relationship with AECAs in SSc. We examined whether AECAs could affect endothelial repair based on the number of endothelial progenitor cells (EPCs). Material and methods Forty-seven SSc patients were screened. The AECAs were identified in serum by indirect immunofluorescence. EPCs and CECs were isolated from the peripheral blood using anti-CD34-based immunomagnetic separation, whereas EMPs were analyzed in plasma. Flow cytometry was used to quantify EMPs, CECs and EPCs. Results AECAs were found in 21 (44.7%) SSc patients and were significantly associated with higher levels of total as well as apoptotic (AnnV+ and CD51+) EMPs, whereas activated (CD62E+/AnnV–) EMPs did not differ between groups. Patients with AECAs had significantly elevated total CECs as well as activated CD105+ CECs. Total endothelial progenitors did not differ between patients with or without AECAs; however AECAs was negatively associated with the population of EPCs that express VEGFR2 or Tie2 receptors. Conclusions We found an association between AECAs and the severity of endothelial damage in SSc based on higher levels of total EMPs and CECs. In our study, AECAs were associated with apoptosis of ECs rather than their activation. We also identified a possible role of AECAs in the impairment of vascular repair in SSc as evidenced by significantly fewer angiogenic EPCs.
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13
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Ferreira PM, Bozbas E, Tannetta SD, Alroqaiba N, Zhou R, Crawley JTB, Gibbins JM, Jones CI, Ahnström J, Yaqoob P. Mode of induction of platelet-derived extracellular vesicles is a critical determinant of their phenotype and function. Sci Rep 2020; 10:18061. [PMID: 33093473 PMCID: PMC7582134 DOI: 10.1038/s41598-020-73005-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 08/24/2020] [Indexed: 02/06/2023] Open
Abstract
Platelet-derived extracellular vesicles (PDEVs) are the most abundant amongst all types of EVs in the circulation. However, the mechanisms leading to PDEVs release, their role in coagulation and phenotypic composition are poorly understood. PDEVs from washed platelets were generated using different stimuli and were characterised using nanoparticle tracking analysis. Procoagulant properties were evaluated by fluorescence flow cytometry and calibrated automated thrombography. EVs from plasma were isolated and concentrated using a novel protocol involving a combination of size exclusion chromatography and differential centrifugation, which produces pure and concentrated EVs. Agonist stimulation enhanced PDEV release, but did not alter the average size of EVs compared to those produced by unstimulated platelets. Agonist stimulation led to lower negatively-charged phospholipid externalization in PDEVs, which was reflected in the lower procoagulant activity compared to those generated without agonist stimulation. Circulating EVs did not have externalized negatively-charged phospholipids. None of the 4 types of EVs presented tissue factor. The mechanism by which PDEV formation is induced is a critical determinant of its phenotype and function. Importantly, we have developed methods to obtain clean, concentrated and functional EVs derived from platelet-free plasma and washed platelets, which can be used to provide novel insight into their biological functions.
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Affiliation(s)
- P M Ferreira
- School of Chemistry, Food and Pharmacy, University of Reading, Reading, RG6 6AP, UK
| | - E Bozbas
- School of Chemistry, Food and Pharmacy, University of Reading, Reading, RG6 6AP, UK
| | - S D Tannetta
- School of Chemistry, Food and Pharmacy, University of Reading, Reading, RG6 6AP, UK
| | - N Alroqaiba
- School of Chemistry, Food and Pharmacy, University of Reading, Reading, RG6 6AP, UK
| | - R Zhou
- School of Chemistry, Food and Pharmacy, University of Reading, Reading, RG6 6AP, UK
| | - J T B Crawley
- Department of Immunology and Inflammation, Centre for Haematology, Imperial College London, London, UK
| | - J M Gibbins
- Institute for Cardiovascular & Metabolic Research, School of Biological Sciences, University of Reading, Reading, UK
| | - C I Jones
- Institute for Cardiovascular & Metabolic Research, School of Biological Sciences, University of Reading, Reading, UK
| | - J Ahnström
- Department of Immunology and Inflammation, Centre for Haematology, Imperial College London, London, UK
| | - P Yaqoob
- School of Chemistry, Food and Pharmacy, University of Reading, Reading, RG6 6AP, UK.
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14
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Platelets Extracellular Vesicles as Regulators of Cancer Progression-An Updated Perspective. Int J Mol Sci 2020; 21:ijms21155195. [PMID: 32707975 PMCID: PMC7432409 DOI: 10.3390/ijms21155195] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 07/19/2020] [Accepted: 07/20/2020] [Indexed: 12/14/2022] Open
Abstract
Extracellular vesicles (EVs) are a diverse group of membrane-bound structures secreted in physiological and pathological conditions by prokaryotic and eukaryotic cells. Their role in cell-to-cell communications has been discussed for more than two decades. More attention is paid to assess the impact of EVs in cancer. Numerous papers showed EVs as tumorigenesis regulators, by transferring their cargo molecules (miRNA, DNA, protein, cytokines, receptors, etc.) among cancer cells and cells in the tumor microenvironment. During platelet activation or apoptosis, platelet extracellular vesicles (PEVs) are formed. PEVs present a highly heterogeneous EVs population and are the most abundant EVs group in the circulatory system. The reason for the PEVs heterogeneity are their maternal activators, which is reflected on PEVs size and cargo. As PLTs role in cancer development is well-known, and PEVs are the most numerous EVs in blood, their feasible impact on cancer growth is strongly discussed. PEVs crosstalk could promote proliferation, change tumor microenvironment, favor metastasis formation. In many cases these functions were linked to the transfer into recipient cells specific cargo molecules from PEVs. The article reviews the PEVs biogenesis, cargo molecules, and their impact on the cancer progression.
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15
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Jia G, Sowers JR. Targeting endothelial exosomes for the prevention of cardiovascular disease. Biochim Biophys Acta Mol Basis Dis 2020; 1866:165833. [PMID: 32380265 DOI: 10.1016/j.bbadis.2020.165833] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 04/14/2020] [Accepted: 04/28/2020] [Indexed: 02/07/2023]
Abstract
Exosomes are small lipid bilayer-enclosed 30-140 nm diameter vesicles formed from endosomes. Exosomes are secreted by various cell types including endothelial cells, immune cells and other cardiovascular tissues, and they can be detected in plasma, urine, cerebrospinal fluid, as well as tissues. Exosomes were initially regarded as a disposal mechanism to discard unwanted materials from cells. Recent studies suggest that exosomes play an important role in mediating of intercellular communication through the delivery and transport of cellular components such as nucleic acids, lipids, and proteins and thus regulate cardiovascular disease. Further, the underlying mechanisms by which abnormally released exosomes promote cardiovascular disease are not well understood. This review highlights recent studies involving endothelial exosomes, gives a brief overview of exosome biogenesis and release, isolation and identification of exosomes, and provides a contemporary understanding of the endothelial exosome pathophysiology and potential therapeutic strategies.
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Affiliation(s)
- Guanghong Jia
- Diabetes and Cardiovascular Research Center, University of Missouri School of Medicine, Columbia, MO 65212, USA; Research Service, Harry S Truman Memorial Veterans Hospital, 800 Hospital Dr, Columbia, MO 65201, USA; Dalton Cardiovascular Research Center, University of Missouri, Columbia, MO 65212, USA.
| | - James R Sowers
- Diabetes and Cardiovascular Research Center, University of Missouri School of Medicine, Columbia, MO 65212, USA; Research Service, Harry S Truman Memorial Veterans Hospital, 800 Hospital Dr, Columbia, MO 65201, USA; Department of Medical Pharmacology and Physiology, University of Missouri School of Medicine, Columbia, MO 65212, USA; Dalton Cardiovascular Research Center, University of Missouri, Columbia, MO 65212, USA.
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16
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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: 5] [Impact Index Per Article: 1.3] [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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17
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Mustapha M, Nassir CMNCM, Aminuddin N, Safri AA, Ghazali MM. Cerebral Small Vessel Disease (CSVD) - Lessons From the Animal Models. Front Physiol 2019; 10:1317. [PMID: 31708793 PMCID: PMC6822570 DOI: 10.3389/fphys.2019.01317] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2018] [Accepted: 09/30/2019] [Indexed: 12/28/2022] Open
Abstract
Cerebral small vessel disease (CSVD) refers to a spectrum of clinical and imaging findings resulting from pathological processes of various etiologies affecting cerebral arterioles, perforating arteries, capillaries, and venules. Unlike large vessels, it is a challenge to visualize small vessels in vivo, hence the difficulty to directly monitor the natural progression of the disease. CSVD might progress for many years during the early stage of the disease as it remains asymptomatic. Prevalent among elderly individuals, CSVD has been alarmingly reported as an important precursor of full-blown stroke and vascular dementia. Growing evidence has also shown a significant association between CSVD's radiological manifestation with dementia and Alzheimer's disease (AD) pathology. Although it remains contentious as to whether CSVD is a cause or sequelae of AD, it is not far-fetched to posit that effective therapeutic measures of CSVD would mitigate the overall burden of dementia. Nevertheless, the unifying theory on the pathomechanism of the disease remains elusive, hence the lack of effective therapeutic approaches. Thus, this chapter consolidates the contemporary insights from numerous experimental animal models of CSVD, to date: from the available experimental animal models of CSVD and its translational research value; the pathomechanical aspects of the disease; relevant aspects on systems biology; opportunities for early disease biomarkers; and finally, converging approaches for future therapeutic directions of CSVD.
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Affiliation(s)
- Muzaimi Mustapha
- Department of Neurosciences, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Malaysia
| | | | - Niferiti Aminuddin
- Department of Neurosciences, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Malaysia
- Department of Basic Medical Sciences, Kulliyyah of Pharmacy, International Islamic University Malaysia, Kuantan, Malaysia
| | - Amanina Ahmad Safri
- Department of Neurosciences, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Malaysia
| | - Mazira Mohamad Ghazali
- Department of Neurosciences, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Malaysia
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18
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Sierko E, Sobierska M, Zabrocka E, Myśliwiec M, Kruszewska J, Lipska A, Radziwon P, Wojtukiewicz MZ. Endothelial Microparticles and Blood Coagulation Activation in Head and Neck Cancer Patients Undergoing Radiotherapy or Radiochemotherapy. In Vivo 2019; 33:627-632. [PMID: 30804151 DOI: 10.21873/invivo.11520] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2019] [Revised: 01/26/2019] [Accepted: 01/28/2019] [Indexed: 12/14/2022]
Abstract
BACKGROUND/AIM Endothelial microparticles (EMP) are small vesicles which are released from the endothelium and contribute to blood coagulation activation in various clinical settings. The aim of this study was to examine whether EMP influence blood coagulation activation in cancer patients during radiotherapy/radiochemotherapy (RT/RCT). MATERIALS AND METHODS Sixteen head and neck cancer (HNC) patients undergoing RT/RCT and 10 controls were examined. EMP and thrombin-antithrombin complex (TAT) were measured by flow cytometry and enzyme-linked immunosorbent assay (ELISA), respectively. Tissue factor-positive EMP (TF+EMP) were defined as CD31+/CD142+/CD42b- Results: TF+EMP were significantly elevated in HNC patients before RT/RCT (T0) (1299±1154/μl), one day after RT/RCT (T1d) (1257±603/μl) and 3 months after RT/RCT (T3m) (1289±372/μl) compared to controls (688±647/μl). TF+EMP levels at T0/T1d and T0, as well as at T1d and T3m were not significantly different. TAT levels at T0 and T1d did not differ significantly but at T3m were significantly lower compared to T0 and T1d TF+EMP and TAT concentrations were not significantly correlated at T0 (r=0.058; p=0.828), T1d (r=0.373, p=0.154) and T3m (r=-0.302, p=0.204). CONCLUSION TF+EMP may not contribute to hemostatic abnormalities in HNC patients.
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Affiliation(s)
- Ewa Sierko
- Department of Oncology, Medical University of Bialystok, Bialystok, Poland .,Department of Radiotherapy, Comprehensive Cancer Center, Bialystok, Poland
| | - Monika Sobierska
- Department of Oncology, Medical University of Bialystok, Bialystok, Poland.,Regional Centre for Transfusion Medicine, Bialystok, Poland
| | - Ewa Zabrocka
- Department of Medicine, Stony Brook University, Stony Brook, NY, U.S.A
| | - Marta Myśliwiec
- Department of Oncology, Medical University of Bialystok, Bialystok, Poland
| | - Joanna Kruszewska
- Department of Oncology, Medical University of Bialystok, Bialystok, Poland
| | - Alina Lipska
- Regional Centre for Transfusion Medicine, Bialystok, Poland
| | - Piotr Radziwon
- Regional Centre for Transfusion Medicine, Bialystok, Poland
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19
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Gieseler F, Plattfaut C, Quecke T, Freund A, Ungefroren H, Ender F. Heterogeneity of microvesicles from cancer cell lines under inflammatory stimulation with TNF-α. Cell Biol Int 2018; 42:1533-1544. [PMID: 30080276 DOI: 10.1002/cbin.11040] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Accepted: 07/29/2018] [Indexed: 12/11/2022]
Abstract
Microvesicles (MVs) represent a subgroup of extracellular vesicles (EVs) emerging from various cells by blebbing of their outer membrane. Therefore, they share features such as membrane composition and antigenicity with their parental cells. Released by many immune and tumor cells, MVs act as intercellular messengers, account for horizontal gene transfer and can activate the coagulation system. With the aim to investigate their relevance for tumor cell biology, we characterized MVs released by human tumor cell lines of various origins in the absence or presence of TNF-α. After stimulation, we used the combination of low and high-speed centrifugation to enrich MVs from cell culture supernatants. We analyzed the presentation of phosphatidylserine (PS) and tissue factor (TF) activity on the cell surface and investigated their potency to induce tumor cell migration. In all tumor cell lines, TNF-α stimulation enhanced the release of MVs. While the expression of PS was universally increased, an elevated activity of procoagulant TF could be detected on MVs from lung, pancreatic, and colon carcinoma, but not from breast and ovarian cancer cell lines. Functionally, TNF-α stimulation significantly increased the potency of MVs to induce tumor cell migration. In conclusion, inflammatory conditions promote the release of MVs with increased procoagulant activity from tumor cell lines in vitro. PS-containing and TF-expressing MVs may account for systemic activation of the coagulation system as seen in cancer patients and, since they induce tumor cell migration, they may serve as biomarkers for tumor progression.
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Affiliation(s)
- Frank Gieseler
- Section Experimental Oncology, University Hospital and Medical School (UKSH), University of Luebeck, Luebeck, 23538, Germany
| | - Corinna Plattfaut
- Section Experimental Oncology, University Hospital and Medical School (UKSH), University of Luebeck, Luebeck, 23538, Germany
| | - Tabea Quecke
- Section Experimental Oncology, University Hospital and Medical School (UKSH), University of Luebeck, Luebeck, 23538, Germany
| | - Annika Freund
- Section Experimental Oncology, University Hospital and Medical School (UKSH), University of Luebeck, Luebeck, 23538, Germany
| | - Hendrik Ungefroren
- Section Experimental Oncology, University Hospital and Medical School (UKSH), University of Luebeck, Luebeck, 23538, Germany.,Department of General and Thoracic Surgery, University Hospital Schleswig-Holstein, Kiel, 24105, Germany
| | - Fanny Ender
- Section Experimental Oncology, University Hospital and Medical School (UKSH), University of Luebeck, Luebeck, 23538, Germany
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20
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Clarke LA, Brogan PA, Latchman DS, Isenberg DA, Ioannou Y, Giles IP, Rahman A, Pericleous C. Endothelial microparticle release is stimulated in vitro by purified IgG from patients with the antiphospholipid syndrome. Thromb Haemost 2017; 109:72-8. [DOI: 10.1160/th12-05-0346] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2012] [Accepted: 10/09/2012] [Indexed: 11/05/2022]
Abstract
SummaryIgG antiphospholipid antibodies (aPL) exert direct effects on various cell types, contributing to the pathogenesis of thrombosis and pregnancy morbidity in patients with the antiphospholipid syndrome (APS). Some IgG samples from these patients activate endothelial cells (EC) in vitro as judged by surface expression of adhesion molecules such as E-selectin, which can promote thrombosis. Endothelial micro-particles (EMP), which themselves are potentially prothrombotic, are released by activated EC. Though elevated circulating EMP levels have been reported in patients with APS, it is not known whether these EMP are released due to a direct effect of aPL on the cells. We tested the effect of purified polyclonal IgG from patients with APS (APS-IgG) and healthy controls (HC-IgG) upon cultured human umbilical vein EC (HUVEC). HUVEC exposed to APS-IgG produced significantly more EMP than those exposed to HC-IgG (p=0.0036) and a greater proportion of these EMP carried surface E-selectin (6.2% ± 4.0 for APS-IgG vs. 3.4% ± 2.0 for HC IgG, p=0.0172). This study therefore demonstrates that purified polyclonal APS-IgG can drive EMP release. We propose that EMP generation may be a useful measure of aPL-mediated pathogenic effects upon EC.
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21
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Giannella A, Radu CM, Franco L, Campello E, Simioni P, Avogaro A, de Kreutzenberg SV, Ceolotto G. Circulating levels and characterization of microparticles in patients with different degrees of glucose tolerance. Cardiovasc Diabetol 2017; 16:118. [PMID: 28927403 PMCID: PMC5606070 DOI: 10.1186/s12933-017-0600-0] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Accepted: 09/09/2017] [Indexed: 12/12/2022] Open
Abstract
Background Microparticles (MPs) are vesicular structures shed from endothelial or circulating blood cells, after activation or apoptosis, and can be considered markers of vascular damage. We aimed to determine the levels of circulating MPs, their content of miRNA-126-3p and 5p, and their relationship with early endothelial activation/damage, in patients with different degree of glucose tolerance. Methods CD62E+, CD62P+, CD142+, CD45+ circulating MPs, their apoptotic (AnnexinV+) fractions, and miRNA-126 expression were determined in 39 prediabetic (PreDM), 68 type 2 diabetic (T2DM), and 53 control (NGT) subjects, along with main anthropometric and biochemical measurements. MPs were analysed by flow cytometry. miRNA-126 was measured by quantitative real-time PCR. Plasma antioxidant capacity was determined by electronic spin resonance; ICAM-1, and VCAM-1 by ELISA. Results Activated endothelial cell-derived MPs (CD62E+) were significantly increased in PreDM and T2DM in comparison to NGT (p < 0.0001). AnnexinV+/CD62E+ MPs and Annexin V+ MPs were significantly increased in T2DM compared to PreDM and NGT (p < 0.001); other MPs were not significantly different among groups. Plasma antioxidant capacity was significantly decreased in PreDM and T2DM compared to NGT (p = 0.001); VCAM-1 significantly increased in PreDM and T2DM in comparison to NGT (p = 0.001). miR-126-3p expression, but not miR-126-5p, in MPs, decreased significantly and progressively from NGT, to PreDM, and T2DM (p < 0.001). In PreDM and T2DM, CD62E+ MPs level was significantly and negatively associated with plasma glucose (p = 0.004). Conclusion We show for the first time that circulating CD62E+ MPs level and miR-126-3p content in MPs are abnormal in subjects with pre-diabetes; the content of miR-126-3p correlates with markers of endothelial inflammation, such as VCAM-1, plasma antioxidant capacity, and microparticles, well-accepted markers of endothelial dysfunction.
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Affiliation(s)
| | | | - Lorenzo Franco
- Department of Chemical Sciences, University of Padova, Padua, Italy
| | - Elena Campello
- Department of Medicine-DIMED, University of Padova, Padua, Italy
| | - Paolo Simioni
- Department of Medicine-DIMED, University of Padova, Padua, Italy
| | - Angelo Avogaro
- Department of Medicine-DIMED, University of Padova, Padua, Italy
| | | | - Giulio Ceolotto
- Department of Medicine-DIMED, University of Padova, Padua, Italy
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22
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Zhu C, Zhang W, Liu J, Mu B, Zhang F, Lai N, Zhou J, Xu A, Li Y. Marine collagen peptides reduce endothelial cell injury in diabetic rats by inhibiting apoptosis and the expression of coupling factor 6 and microparticles. Mol Med Rep 2017; 16:3947-3957. [PMID: 28731155 PMCID: PMC5646974 DOI: 10.3892/mmr.2017.7061] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Accepted: 04/20/2017] [Indexed: 12/14/2022] Open
Abstract
The present study aimed to elucidate the role of marine collagen peptides (MCPs) in protection of carotid artery vascular endothelial cells (CAVECs) in type 2 diabetes mellitus (T2DM), and the mechanism underlying this process. In an in vivo experiment, diabetic Wistar rats were divided randomly into four groups (n=10/group): Diabetes control, and three diabetes groups administered low, medium and high doses of MCPs (2.25, 4.5 and 9.0 g/kg body weight/day, respectively). Another 10 healthy rats served as the control. In an in vitro experiment, human umbilical‑vein endothelial cells (HUVECs) were incubated in normal and high concentrations of glucose with or without MCPs (3.0, 15.0 and 30.0 mg/ml, respectively) for 24, 48 or 72 h. Blood vessel/endothelial construction, inflammatory exudation and associated molecular biomarkers in CAVECs were detected and analyzed. The results of the present study demonstrated that in rats, MCP treatment for 4 weeks significantly lowered blood glucose and attenuated endothelial thinning and inflammatory exudation in carotid‑artery vascular endothelial cells. In vitro, the high‑glucose intervention significantly increased cell apoptosis in HUVECs, and medium and high doses of MCPs (4.5 and 9.0 g/kg body weight/day, respectively) partially ameliorated this high glucose‑mediated apoptosis and decreased levels of apoptosis biomarkers. In conclusion, a moderate oral MCP dose (≥4.5 g/kg body weight/day) may be a novel therapeutic tool to protect against early cardiovascular complications associated with T2DM by inhibiting apoptosis and reducing the expression of coupling factor 6 and microparticles.
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Affiliation(s)
- Cuifeng Zhu
- Department of Nutrition, Southern Medical University Shenzhen Hospital, Shenzhen, Guangdong 518000, P.R. China
| | - Wei Zhang
- Department of Hematology, Shenzhen Hengsheng Affiliated Hospital, Southern Medical University, Shenzhen, Guangdong 518000, P.R. China
| | - Jianguo Liu
- Department of Health Management, Southern Medical University Shenzhen Hospital, Shenzhen, Guangdong 518000, P.R. China
| | - Bo Mu
- Department of Nutrition, The Second People's Hospital of Yunnan, Kunming, Yunnan 650000, P.R. China
| | - Fan Zhang
- Department of Endocrinology, Peking University Shenzhen Hospital, Shenzhen, Guangdong 518036, P.R. China
| | - Nannan Lai
- Institute of Basic Medicine Shandong Academy of Medical Sciences, Jinan, Shandong 250000, P.R. China
| | - Jianxin Zhou
- Department of Endocrinology, Shenzhen Hengsheng Affiliated Hospital, Southern Medical University, Shenzhen, Guangdong 518000, P.R. China
| | - Aimin Xu
- Department of Medicine, Li Kashing Faculty of Medicine, The State Key Laboratory of Pharmaceutical Biotechnology, University of Hong Kong, Hong Kong 325035, P.R. China
| | - Yong Li
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, P.R. China
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Circulating microparticle subpopulations in systemic lupus erythematosus are affected by disease activity. Int J Cardiol 2017; 236:138-144. [PMID: 28279502 DOI: 10.1016/j.ijcard.2017.02.107] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Revised: 02/14/2017] [Accepted: 02/21/2017] [Indexed: 12/16/2022]
Abstract
BACKGROUND Immune cells under chronic inflammation shed microparticles (MPs) that could fuel the inflammatory responses and atherosclerosis typically presented in systemic lupus erythematosus (SLE). This study analyzes total and subset-specific MPs from SLE patients and their possible influence on clinical features, leukocyte activation and serum cytokines. METHODS Total MPs and those derived from platelets, endothelial cells, monocytes, granulocytes and T-cells were quantified in plasma of 106 SLE patients and 33 healthy controls by flow cytometry. MP amounts were analyzed according to clinical manifestations, blood leukocyte populations and circulating cytokines (IFNα, TNFα, IL-10, BLyS, IL-17, IL-1β, CXCL10, CCL-2, CCL3, leptin). Finally, the in vitro effect of SLE-isolated MPs on the leukocyte activation status was analyzed. RESULTS Total circulating MPs in SLE patients were related to increased disease duration and the presence of cardiovascular disease. Furthermore, patients displayed increased counts of MPs from platelets, monocytes and T-lymphocytes, especially in SLE patients with disease activity or with TNFαhigh-profile. Accordingly, MPs were associated with increased expression of activation markers in blood T-cells and monocytes. Finally, analyses propose a role of glucocorticoids in MPs generation and leukocyte activation since both fresh and cultured T-cells under this treatment presented higher IL-10 and CD25 production. CONCLUSIONS The altered profile of subset-specific SLE-MPs was influenced by the disease activity and altered status of leukocyte native cells, also associated with a TNFαhigh-profile. TRANSLATIONAL RESULTS SLE patients, especially those with disease activity, displayed increased counts of MPs derived from platelets, monocytes and T-lymphocytes, which were more frequently found in TNFαhigh-type patients. The origin of such SLE-MP subsets seems to be related to the over-activated status of T-cells and monocytes characteristic of these patients. Ex vivo and in vitro analyses propose a role of glucocorticoids in the generation of circulating MPs and leukocyte activation in SLE patients.
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24
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Extracellular vesicles and blood diseases. Int J Hematol 2017; 105:392-405. [PMID: 28130731 DOI: 10.1007/s12185-017-2180-x] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Revised: 01/09/2017] [Accepted: 01/09/2017] [Indexed: 01/19/2023]
Abstract
Extracellular vesicles (EVs) are small membrane vesicles released from many different cell types by the exocytic budding of the plasma membrane in response to cellular activation or apoptosis. EVs disseminate various bioactive effectors originating from the parent cells and transfer functional RNA and protein between cells, enabling them to alter vascular function and induce biological responses involved in vascular homeostasis. Although most EVs in human blood originate from platelets, EVs are also released from leukocytes, erythrocytes, endothelial cells, smooth muscle cells, and cancer cells. EVs were initially thought to be small particles with procoagulant activity; however, they can also evoke cellular responses in the immediate microenvironments and transport microRNAs (miRNA) into target cells. In this review, we summarize the recent literature relevant to EVs, including a growing list of clinical disorders that are associated with elevated EV levels. These studies suggest that EVs play roles in various blood diseases.
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Levin G, Sukhareva E, Lavrentieva A. Impact of microparticles derived from erythrocytes on fibrinolysis. J Thromb Thrombolysis 2016; 41:452-8. [PMID: 26590996 DOI: 10.1007/s11239-015-1299-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
It has long been known that negatively charged membranes of erythrocyte-derived microparticles display procoagulant activity. However, relatively little is known about the possible fibrinolytic activity of such microparticles. This issue becomes particularly important during red blood cell storage, which significantly increases the number of microparticles. Whole blood was collected from 30 healthy donors. Microparticles were isolated on days 7, 14, 21, and 28 of erythrocyte storage. The effect of microparticles on the fibrinolytic activity of the donor plasma was determined by coagulation and optical (chromogenic substrate) methods. We demonstrated that erythrocyte microparticles had a prominent fibrinolytic activity which cleaves not only fibrin but also chromogenic substrates. Microparticles present fibrinolytic activity mainly due to the presence of plasminogen on them. Microparticles derived from erythrocytes significantly enhance cleavage of the chromogenic substrate by the streptokinase-plasminogen complex, but to a lesser extent accelerate euglobulin clot lysis time. Erythrocyte-derived microparticles display prominent fibrinolytic activity, which significantly decreases during storage of red blood cells.
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Affiliation(s)
- Grigory Levin
- Federal State Budgetary Institution "Privolzhsky Federal Research Medical Centre" of the Ministry of Health of the Russian Federation, 18, Verhne-Volzhskaya Naberezhnaya, Nizhny Novgorod, Russia, 603155.
| | - Ekaterina Sukhareva
- Federal State Budgetary Institution "Privolzhsky Federal Research Medical Centre" of the Ministry of Health of the Russian Federation, 18, Verhne-Volzhskaya Naberezhnaya, Nizhny Novgorod, Russia, 603155
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Plasma endothelial microparticles reflect the extent of capillaroscopic alterations and correlate with the severity of skin involvement in systemic sclerosis. Microvasc Res 2016; 110:24-31. [PMID: 27889559 DOI: 10.1016/j.mvr.2016.11.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Revised: 11/17/2016] [Accepted: 11/17/2016] [Indexed: 10/20/2022]
Abstract
INTRODUCTION AND AIM Endothelial microparticles (EMPs) are membrane-coated vesicles shed from endothelial cells and are considered markers of the endothelial state. It has been shown that total numbers of circulating EMPs are increased in patients with systemic sclerosis (SSc), but their clinical correlations have not yet been investigated in detail. We aimed to assess possible relationships between circulating EMPs and clinical as well as laboratory features among SSc patients with special attention to possible association with alteration in microvascular morphology objectified on nailfold videocapillaroscopy and clinical signs of microvascular complications. MATERIALS AND METHODS The study included 47 SSc patients and 27 age- and sex-matched healthy controls. EMPs were identified with flow cytometry after staining platelet-poor plasma with combinations of fluorescent cell-specific monoclonal antibodies (anti-CD31, -51, -42b, -62E and Annexin V). The following types of EMPs were evaluated: total EMPs (CD31+/CD42b-), activated EMPs (CD62E+/AnnV-,) and apoptotic EMPs (CD62E+/AnnV+ or CD51+). Clinical evaluation of patients was obtained, including nailfold videocapillaroscopy. RESULTS All types of EMPs were significantly elevated in SSc patients as compared with healthy controls. We found significant inverse correlation between severity of skin involvement and values of total EMPs (r=-0.32; p=0.02) and their levels tended to be lower in SSc patients with digital ulcers when compared to those without ischaemic skin lesions (p=0.09). Total EMPs and activated EMPs showed correlations with the number of ramified capillaries (r=-0.40 and r=0.37, respectively, p<0.05 for both). Moreover, total EMPs inversely correlated with the severity of capillary loss (r=-0.35, p<0.05) and their levels were significantly lower in patients with late NVC pattern with respect to those with early microangiopathy (p<0.05). On the other hand, active NVC pattern was characterized by strongly elevated levels of activated EMPs when compared to an early vascular alteration (p<0.05). CONCLUSIONS Our results suggest that quantity and phenotype of circulating EMPs might indicate on molecular vascular damage with endothelial dysfunction and to reflect progressive loss of capillaries consequencing in microvascular insufficiency in SSc patients.
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27
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Woei-A-Jin FJSH, Tesselaar MET, Garcia Rodriguez P, Romijn FPHTM, Bertina RM, Osanto S. Tissue factor-bearing microparticles and CA19.9: two players in pancreatic cancer-associated thrombosis? Br J Cancer 2016; 115:332-8. [PMID: 27404454 PMCID: PMC4973148 DOI: 10.1038/bjc.2016.170] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2015] [Revised: 05/03/2016] [Accepted: 05/09/2016] [Indexed: 01/05/2023] Open
Abstract
Background: Cancer-related venous thromboembolism (VTE) heralds a poor prognosis, especially in pancreatic adenocarcinoma (PAC). Tissue factor (TF) is implicated as one of the main culprits in PAC-associated VTE and disease progression. Methods: In a prospective cohort study of 79 PAC patients, we measured plasma CA19–9 and microparticle-associated TF activity (MP-TF activity). In addition, we enumerated TF+MPs and MUC1+MPs in plasma (n=55), and studied the expression of TF, MUC1, CD31 and CD68 in tumour tissue (n=44). Results: Plasma MP-TF activity was markedly elevated in PAC patients with VTE compared with those without (median: 1925 vs 113 fM Xa min−1; P<0.001) and correlated with the extent of thromboembolic events, metastatic disease and short survival. Similar results were found for CA19–9. Patients with massively progressing thrombosis and cerebral embolisms despite anticoagulant therapy (n=3) had the highest MP-TF activities (12 118–40 188 fM Xa min−1) and CA19–9 (40 730–197 000 kU l−1). All tumours expressed MUC1 and TF. MP-TF activity did not correlate with intensity of TF expression in adenocarcinoma cells, but corresponded with numbers of TF+ macrophages in the surrounding stroma. Conclusions: Circulating TF+MPs and mucins may concertedly aggravate coagulopathy in PAC. Understanding of underlying mechanisms may result in new treatment strategies for VTE prevention and improvement of survival.
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Affiliation(s)
- F J Sherida H Woei-A-Jin
- Department of Clinical Oncology, Leiden University Medical Centre, Albinusdreef 2, 2333 Leiden, The Netherlands.,Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Centre, Albinusdreef 2, 2333 Leiden, The Netherlands
| | - Margot E T Tesselaar
- Department of Medical Oncology, Netherlands Cancer Institute, Plesmanlaan 121, 1066 Amsterdam, The Netherlands
| | - Patrica Garcia Rodriguez
- Department of Clinical Oncology, Leiden University Medical Centre, Albinusdreef 2, 2333 Leiden, The Netherlands.,Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Centre, Albinusdreef 2, 2333 Leiden, The Netherlands
| | - Fred P H T M Romijn
- Department of Clinical Chemistry and Laboratory Medicine, Leiden University Medical Centre, Albinusdreef 2, 2333 Leiden, The Netherlands
| | - Rogier M Bertina
- Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Centre, Albinusdreef 2, 2333 Leiden, The Netherlands
| | - Susanne Osanto
- Department of Clinical Oncology, Leiden University Medical Centre, Albinusdreef 2, 2333 Leiden, The Netherlands.,Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Centre, Albinusdreef 2, 2333 Leiden, The Netherlands
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Campello E, Spiezia L, Radu CM, Simioni P. Microparticles as biomarkers of venous thromboembolic events. Biomark Med 2016; 10:743-55. [DOI: 10.2217/bmm-2015-0063] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Microparticles (MPs) are small (0.1–1.0 μm) membrane vesicles constitutively released from the surface of cells after activation and apoptosis. The clinical research on MPs is hampered by the limitations of the currently available detection methods. A correlation between MPs and venous thromboembolism (VTE) has been observed. The effects of MPs on thrombogenesis involve the exposure of phosphatidylserine, the vehiculation of tissue factor, and MP-induced intercellular cross-talk between inflammation and coagulation. This review will focus on the potential role of plasma MPs as biomarkers in detecting acute unprovoked VTE, predicting VTE occurrence in high-risk situations (mainly cancer), and ultimately, we will discuss currently available studies on the prognostic role of MPs to guide primary and secondary VTE prevention protocols.
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Affiliation(s)
- Elena Campello
- Department of Medicine (DIMED), University of Padua, Padua, Italy
| | - Luca Spiezia
- Department of Medicine (DIMED), University of Padua, Padua, Italy
| | - Claudia M Radu
- Department of Medicine (DIMED), University of Padua, Padua, Italy
| | - Paolo Simioni
- Department of Medicine (DIMED), University of Padua, Padua, Italy
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Shimizu S, Ogawa T, Takezawa K, Tojima I, Kouzaki H, Shimizu T. Tissue factor and tissue factor pathway inhibitor in nasal mucosa and nasal secretions of chronic rhinosinusitis with nasal polyp. Am J Rhinol Allergy 2016; 29:235-42. [PMID: 26163243 DOI: 10.2500/ajra.2015.29.4183] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND Activation of the coagulation system with an increase in thrombin generation is involved in the pathogenesis of tissue remodeling in chronic rhinosinusitis (CRS). Tissue factor (TF) is an important protein for initiation of the extrinsic coagulation pathway, and TF pathway inhibitor (TFPI) is a regulator of TF-induced coagulation. This study was conducted to elucidate the roles of TF and TFPI in the pathogenesis of CRS. METHODS Tissue localization of TF, TFPI, and fibrin was determined by immunostaining of nasal polyps and inferior turbinates obtained during endonasal surgery in patients with CRS with nasal polyp (CRSwNP). Nasal secretions were collected from patients with CRSwNP, allergic rhinitis, and from control patients. The concentrations of TF and TFPI were measured in nasal secretions from each group. The concentrations of TF and TFPI released into culture medium by normal human nasal epithelial cells treated with thrombin, protease-activated receptor 1 agonist peptide, or tumor necrosis factor α were also measured. RESULTS TF expression was localized in nasal epithelial cells and in infiltrating eosinophils of nasal mucosa. TFPI expression was localized in nasal epithelial cells, and fibrin deposition was observed in nasal secretions and the lamina propria of nasal polyps. Nasal secretions contained significant concentrations of TF and TFPI. The concentration of TFPI in nasal secretions correlated positively with thrombin activity and the concentration of thrombin-antithrombin III complex. Treatment with thrombin, protease-activated receptor 1 agonist peptide, or tumor necrosis factor α stimulated significant release of TF and TFPI from cultured nasal epithelial cells. CONCLUSIONS By upregulating the coagulation system, TF and TFPI play an important role in the pathogenesis of CRSwNP.
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Affiliation(s)
- Shino Shimizu
- Department of Otorhinolaryngology, Shiga University of Medical Science, Otsu, Shiga, Japan
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30
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Chiva-Blanch G, Suades R, Crespo J, Peña E, Padró T, Jiménez-Xarrié E, Martí-Fàbregas J, Badimon L. Microparticle Shedding from Neural Progenitor Cells and Vascular Compartment Cells Is Increased in Ischemic Stroke. PLoS One 2016; 11:e0148176. [PMID: 26815842 PMCID: PMC4729528 DOI: 10.1371/journal.pone.0148176] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Accepted: 01/13/2016] [Indexed: 11/18/2022] Open
Abstract
Purpose Ischemic stroke has shown to induce platelet and endothelial microparticle shedding, but whether stroke induces microparticle shedding from additional blood and vascular compartment cells is unclear. Neural precursor cells have been shown to replace dying neurons at sites of brain injury; however, if neural precursor cell activation is associated to microparticle shedding, and whether this activation is maintained at long term and associates to stroke type and severity remains unknown. We analyzed neural precursor cells and blood and vascular compartment cells microparticle shedding after an acute ischemic stroke. Methods Forty-four patients were included in the study within the first 48h after the onset of stroke. The cerebral lesion size was evaluated at 3–7 days of the stroke. Circulating microparticles from neural precursor cells and blood and vascular compartment cells (platelets, endothelial cells, erythrocytes, leukocytes, lymphocytes, monocytes and smooth muscle cells) were analyzed by flow cytometry at the onset of stroke and at 7 and 90 days. Forty-four age-matched high cardiovascular risk subjects without documented vascular disease were used as controls. Results Compared to high cardiovascular risk controls, patients showed higher number of neural precursor cell- and all blood and vascular compartment cell-derived microparticles at the onset of stroke, and after 7 and 90 days. At 90 days, neural precursor cell-derived microparticles decreased and smooth muscle cell-derived microparticles increased compared to levels at the onset of stroke, but only in those patients with the highest stroke-induced cerebral lesions. Conclusions Stroke increases blood and vascular compartment cell and neural precursor cell microparticle shedding, an effect that is chronically maintained up to 90 days after the ischemic event. These results show that stroke induces a generalized blood and vascular cell activation and the initiation of neuronal cell repair process after stroke. Larger cerebral lesions associate with deeper vessel injury affecting vascular smooth muscle cells.
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Affiliation(s)
- Gemma Chiva-Blanch
- Cardiovascular Research Center (CSIC-ICCC), Barcelona, Spain
- Biomedical Research Institute Sant Pau (IIB-Sant Pau), Barcelona, Spain
| | - Rosa Suades
- Cardiovascular Research Center (CSIC-ICCC), Barcelona, Spain
- Biomedical Research Institute Sant Pau (IIB-Sant Pau), Barcelona, Spain
| | - Javier Crespo
- Cardiovascular Research Center (CSIC-ICCC), Barcelona, Spain
- Biomedical Research Institute Sant Pau (IIB-Sant Pau), Barcelona, Spain
| | - Esther Peña
- Cardiovascular Research Center (CSIC-ICCC), Barcelona, Spain
- Biomedical Research Institute Sant Pau (IIB-Sant Pau), Barcelona, Spain
| | - Teresa Padró
- Cardiovascular Research Center (CSIC-ICCC), Barcelona, Spain
- Biomedical Research Institute Sant Pau (IIB-Sant Pau), Barcelona, Spain
| | - Elena Jiménez-Xarrié
- Biomedical Research Institute Sant Pau (IIB-Sant Pau), Barcelona, Spain
- Department of Neurology, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | - Joan Martí-Fàbregas
- Biomedical Research Institute Sant Pau (IIB-Sant Pau), Barcelona, Spain
- Department of Neurology, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | - Lina Badimon
- Cardiovascular Research Center (CSIC-ICCC), Barcelona, Spain
- Biomedical Research Institute Sant Pau (IIB-Sant Pau), Barcelona, Spain
- * E-mail:
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Nomura S, Niki M, Nisizawa T, Tamaki T, Shimizu M. Microparticles as Biomarkers of Blood Coagulation in Cancer. BIOMARKERS IN CANCER 2015; 7:51-6. [PMID: 26462252 PMCID: PMC4592056 DOI: 10.4137/bic.s30347] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/05/2015] [Revised: 08/05/2015] [Accepted: 08/07/2015] [Indexed: 12/20/2022]
Abstract
Cancer is associated with hypercoagulopathy and increased risk of thrombosis. This negatively influences patient morbidity and mortality. Cancer is also frequently complicated by the development of venous thromboembolism (VTE). Tumor-derived tissue factor (TF)-bearing microparticles (MPs) are associated with VTE events in malignancy. MPs are small membrane vesicles released from many different cell types by exocytic budding of the plasma membrane in response to cellular activation or apoptosis. MPs may also be involved in clinical diseases through expression of procoagulative phospholipids. The detection of TF-expressing MPs in cancer patients may be clinically useful. In lung and breast cancer patients, MPs induce metastasis and angiogenesis and may be indicators of vascular complications. Additionally, MPs in patients with various types of cancer possess adhesion proteins and bind target cells to promoting cancer progression or metastasis. Overexpression of TF by cancer cells is closely associated with tumor progression, and shedding of TF-expressing MPs by cancer cells correlates with the genetic status of cancer. Consequently, TF-expressing MPs represent important markers to consider in the prevention of and therapy for VTE complications in cancer patients.
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Affiliation(s)
- Shosaku Nomura
- First Department of Internal Medicine, Kansai Medical University, Hirakata, Osaka, Japan
| | - Maiko Niki
- First Department of Internal Medicine, Kansai Medical University, Hirakata, Osaka, Japan
| | - Tohru Nisizawa
- First Department of Internal Medicine, Kansai Medical University, Hirakata, Osaka, Japan
| | - Takeshi Tamaki
- First Department of Internal Medicine, Kansai Medical University, Hirakata, Osaka, Japan
| | - Michiomi Shimizu
- First Department of Internal Medicine, Kansai Medical University, Hirakata, Osaka, Japan
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Abstract
Microparticles (MPs) are small membrane vesicles that are released from many different cell types by exocytotic budding of the plasma membrane in response to cellular activation or apoptosis. MPs may be involved in both physiological processes and clinical treatments because they express phospholipids, which function as procoagulants. Elevated levels of platelet-derived MPs, endothelial cell-derived MPs, and monocyte-derived MPs are observed in almost all thrombotic diseases occurring in venous and arterial beds. Several studies have shown that the quantity, cellular origin, and composition of circulating MPs depend on the type of disease, the disease state, and medical treatment. Although MPs were initially thought to be small particles with only procoagulant activity, they are now known to have many different functions. An increasing number of studies have identified new implications of elevated MPs in clinical disorders. On the basis of evidence available till date, the present review suggests that MPs may be a useful biomarker in identifying atherothrombosis.
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Affiliation(s)
- Shosaku Nomura
- First Department of Internal Medicine, Kansai Medical University
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Antwi-Baffour S, Adjei J, Aryeh C, Kyeremeh R, Kyei F, Seidu MA. Understanding the biosynthesis of platelets-derived extracellular vesicles. Immun Inflamm Dis 2015; 3:133-40. [PMID: 26417432 PMCID: PMC4578515 DOI: 10.1002/iid3.66] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Revised: 05/06/2015] [Accepted: 05/07/2015] [Indexed: 11/24/2022] Open
Abstract
Platelet-derived extracellular vesicles (PEVs) are described as sub-cellular vesicles released into circulation upon platelets shear stress, activation, injury, or apoptosis. They are considered as universal biomarkers in a wide range of physiological and pathological processes. They are of tremendous significance for the prediction, diagnosis, and observation of the therapeutic success of many diseases. Understanding their biosynthesis and therefore functional properties would contribute to a better understanding of the pathological mechanisms leading to various diseases in which their levels are raised and they are implicated. The review takes a critical look at the historical background of PEVs, their structural components, the mechanism of their formation, physiological, and exogenous stimuli inducing their release and their detection. It concludes by highlighting on the importance of undertaking in-depth studies into PEVs biosynthesis and subsequently gaining a better understanding of their biological role in general.
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Affiliation(s)
- Samuel Antwi-Baffour
- Department of Medical Laboratory Sciences, School of Biomedical and Allied Health Sciences, College of Health Sciences, University of Ghana 143, Korle-Bu, Accra, Ghana
| | - Jonathan Adjei
- Department of Medical Laboratory Sciences, School of Biomedical and Allied Health Sciences, College of Health Sciences, University of Ghana 143, Korle-Bu, Accra, Ghana
| | - Claudia Aryeh
- Department of Medical Laboratory Sciences, School of Biomedical and Allied Health Sciences, College of Health Sciences, University of Ghana 143, Korle-Bu, Accra, Ghana
| | - Ransford Kyeremeh
- Department of Medical Laboratory Sciences, School of Biomedical and Allied Health Sciences, College of Health Sciences, University of Ghana 143, Korle-Bu, Accra, Ghana
| | - Foster Kyei
- College of Agriculture and Natural Sciences, School of Biological Sciences, Department of Molecular Biology and Biotechnology, University of Cape Coast Cape Coast, Ghana
| | - Mahmood A Seidu
- Department of Medical Laboratory Sciences, School of Biomedical and Allied Health Sciences, College of Health Sciences, University of Ghana 143, Korle-Bu, Accra, Ghana
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Antwi-Baffour SS. Molecular characterisation of plasma membrane-derived vesicles. J Biomed Sci 2015; 22:68. [PMID: 26259622 PMCID: PMC4532247 DOI: 10.1186/s12929-015-0174-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2015] [Accepted: 07/31/2015] [Indexed: 11/29/2022] Open
Abstract
Plasma membrane-derived vesicles (PMVs) are released into circulation in response to normal and stress/pathogenic conditions. They are of tremendous significance for the prediction, diagnosis, and observation of the therapeutic success of many diseases. Knowledge of their molecular characteristics and therefore functional properties would contribute to a better understanding of the pathological mechanisms leading to various diseases in which their levels are raised. The review aims at outlining and discussing the molecular characteristics of PMVs in order to bring to the fore some aspects/characteristics of PMVs that will assist the scientific community to properly understand the role of PMVs in various physiological and pathological processes. The review covers PMVs characterisation and discusses how distinct they are from exosomes and endosomes. Also, methods of PMVs analysis, importance of proper PMV level estimation/characterisation, PMVs and their constituents as well as their therapeutic significance are discussed. The review concludes by drawing attention to the importance of further study into the functions of the characteristics discussed which will lead to understanding the general role of PMVs both in health and in disease states.
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Affiliation(s)
- Samuel S Antwi-Baffour
- Department of Medical Laboratory Sciences, School of Biomedical and Allied Health Sciences, College of Health Sciences, University of Ghana, P. O. Box KB 143,, Korle-Bu, Accra, Ghana.
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High serum levels of extracellular vesicles expressing malignancy-related markers are released in patients with various types of hematological neoplastic disorders. Tumour Biol 2015; 36:9739-52. [DOI: 10.1007/s13277-015-3741-3] [Citation(s) in RCA: 107] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Accepted: 06/30/2015] [Indexed: 01/06/2023] Open
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siRNA Delivery Impedes the Temporal Expression of Cytokine-Activated VCAM1 on Endothelial Cells. Ann Biomed Eng 2015; 44:895-902. [PMID: 26101035 DOI: 10.1007/s10439-015-1364-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2015] [Accepted: 06/11/2015] [Indexed: 10/24/2022]
Abstract
Leukocyte recruitment plays a key role in chronic inflammatory diseases such as cardiovascular disease, rheumatoid arthritis, and cancer. Leukocyte rolling and arrest are mediated in part by the temporally-regulated surface expression of vascular cell adhesion molecule-1 (VCAM1) on endothelial cells (ECs). In this paper, we engineered a pH-responsive vehicle comprised of 30 mol% dimethylaminoethyl methacrylate (30D) and 70 mol% hydroxyethyl methacrylate (70H) to encapsulate, protect, and deliver VCAM1 small interfering RNA (siRNA). The ability of siRNA to reduce VCAM1 gene expression is in direct opposition to its activation by cytokines. At 12 h post-activation, VCAM1 gene knockdown was 90.1 ± 7.5% when delivered via 30D/70H nanoparticles, which was on par with a leading commercial transfection agent. This translated into a 68.8 ± 6.7% reduction in the surface density of VCAM1 on cytokine-activated ECs. The pH-responsive delivery of VCAM1 siRNA efficiently reduced temporal surface protein expression, which may be used to avert leukocyte recruitment.
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Nomura S, Shimizu M. Clinical significance of procoagulant microparticles. J Intensive Care 2015; 3:2. [PMID: 25705427 PMCID: PMC4336124 DOI: 10.1186/s40560-014-0066-z] [Citation(s) in RCA: 97] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2014] [Accepted: 12/03/2014] [Indexed: 01/05/2023] Open
Abstract
Microparticles (MPs) are small membrane vesicles that are released from many different cell types by exocytic budding of the plasma membrane in response to cellular activation or apoptosis. MPs may also be involved in clinical diseases because they express phospholipids, which function as procoagulants. Although flow cytometry is the most widely used method for studying MPs, some novel assays, such as tissue factor-dependent procoagulant assay or the ELISA method, have been reported. However, the use of quantification of MP as a clinical tool is still controversial. Elevated platelet-derived MP, endothelial cell-derived MP, and monocyte-derived MP concentrations are documented in almost all thrombotic diseases occurring in venous and arterial beds. However, the significance of MPs in various clinical conditions remains controversial. An example of this controversy is that it is unknown if MPs found in peripheral blood vessels cause thrombosis or whether they are the result of thrombosis. Numerous studies have shown that not only the quantity, but also the cellular origin and composition of circulating MPs, are dependent on the type of disease, the disease state, and medical treatment. Additionally, many different functions have been attributed to MPs. Therefore, the number and type of clinical disorders associated with elevated MPs are currently increasing. However, MPs were initially thought to be small particles with procoagulant activity. Taken together, our review suggests that MPs may be a useful biomarker to identify thrombosis.
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Affiliation(s)
- Shosaku Nomura
- First Department of Internal Medicine, Kansai Medical University, 2-3-1 Shin-machi, Hirakata, Osaka 573-1191 Japan
| | - Michiomi Shimizu
- First Department of Internal Medicine, Kansai Medical University, 2-3-1 Shin-machi, Hirakata, Osaka 573-1191 Japan
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Microparticles: new light shed on the understanding of venous thromboembolism. Acta Pharmacol Sin 2014; 35:1103-10. [PMID: 25152025 DOI: 10.1038/aps.2014.73] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2014] [Accepted: 06/05/2014] [Indexed: 02/07/2023] Open
Abstract
Microparticles are small membrane fragments shed primarily from blood and endothelial cells during either activation or apoptosis. There is mounting evidence suggesting that microparticles perform a large array of biological functions and contribute to various diseases. Of these disease processes, a significant link has been established between microparticles and venous thromboembolism. Advances in research on the role of microparticles in thrombosis have yielded crucial insights into possible mechanisms, diagnoses and therapeutic targets of venous thromboembolism. In this review, we discuss the definition and properties of microparticles and venous thromboembolism, provide a synopsis of the evidence detailing the contributions of microparticles to venous thromboembolism, and propose potential mechanisms, by which venous thromboembolism occurs. Moreover, we illustrate a possible role of microparticles in cancer-related venous thromboembolism.
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Diagnostic and Prognostic Potential of Extracellular Vesicles in Peripheral Blood. Clin Ther 2014; 36:830-46. [DOI: 10.1016/j.clinthera.2014.05.008] [Citation(s) in RCA: 178] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2014] [Revised: 05/15/2014] [Accepted: 05/15/2014] [Indexed: 12/21/2022]
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Fernandez-Martínez AB, Torija AV, Carracedo J, Ramirez R, de Lucio-Cazaña FJ. Microparticles released by vascular endothelial cells increase hypoxia inducible factor expression in human proximal tubular HK-2 cells. Int J Biochem Cell Biol 2014; 53:334-42. [PMID: 24878611 DOI: 10.1016/j.biocel.2014.05.025] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2014] [Revised: 04/23/2014] [Accepted: 05/19/2014] [Indexed: 10/25/2022]
Abstract
Microparticles are produced by vesiculation of the cell plasma membrane and serve as vectors of cell-to-cell communication. Co-culture experiments have shown that hypoxia-inducible factor-α (HIF-α)-regulated-genes are up-regulated in human renal proximal tubular HK-2 cells by endothelial cell factors which might be transported inside endothelial microparticles (EMP). Here we aimed to study in HK-2 cells the effect of EMP, produced by activated endothelial cells, on HIF-α and HIF-α-regulated vascular endothelial growth factor-A (VEGF-A). EMP, at a concentration much lower than that found in plasma, increased the expression of HIF-α/VEGF-A in a COX-2/EP2 receptor dependent manner. Since the EMP/cells ratio was ∼1/1000, we hypothesized that paracrine mediators produced by HK-2 cells amplified the initial signal. This hypothesis was confirmed by two facts which also suggested that the mediators were conveyed by particles released by HK-2 cells: (i) HIF-α was up-regulated in HK-2 cells treated with the pellet obtained from the conditioned medium of the EMP-treated HK-2 cells. (ii) In transwell experiments, EMP-treated cells increased the expression of HIF-α in untreated HK-2 cells. Interestingly, we detected these cells, particles that were released by EMP-treated HK-2 cells. Depending on the pathological context, activation of HIF-α and VEGF-A signaling in renal tissue/cells may have either beneficial or harmful effects. Therefore, our results suggest that their presence in the urinary space of EMP produced by activated endothelial cells may influence the outcome of a number of renal diseases.
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Affiliation(s)
| | - Ana Valdehita Torija
- Departamento de Biología de Sistemas, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
| | - Julia Carracedo
- RETICs Red Renal (Instituto de Salud Carlos III), Avda Monforte de Lemos n° 5, 28029 Madrid, Spain; Nephrology Unit, Reina Sofía University Hospital, Avda Menéndez Pidal s/n, 14004 Córdoba, Spain; Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Reina Sofía University Hospital, Avda Menéndez Pidal s/n, 14004 Córdoba, Spain
| | - Rafael Ramirez
- Departamento de Biología de Sistemas, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain; RETICs Red Renal (Instituto de Salud Carlos III), Avda Monforte de Lemos n° 5, 28029 Madrid, Spain
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The endothelium, a protagonist in the pathophysiology of critical illness: focus on cellular markers. BIOMED RESEARCH INTERNATIONAL 2014; 2014:985813. [PMID: 24800259 PMCID: PMC3988750 DOI: 10.1155/2014/985813] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/05/2013] [Revised: 02/18/2014] [Accepted: 03/04/2014] [Indexed: 12/23/2022]
Abstract
The endotheliumis key in the pathophysiology of numerous diseases as a result of its precarious function in the regulation of tissue homeostasis. Therefore, its clinical evaluation providing diagnostic and prognostic markers, as well as its role as a therapeutic target, is the focus of intense research in patientswith severe illnesses. In the critically ill with sepsis and acute brain injury, the endothelium has a cardinal function in the development of organ failure and secondary ischemia, respectively. Cellular markers of endothelial function such as endothelial progenitor cells (EPC) and endothelialmicroparticles (EMP) are gaining interest as biomarkers due to their accessibility, although the lack of standardization of EPC and EMP detection remains a drawback for their routine clinical use. In this paper we will review data available on EPC, as a general marker of endothelial repair, and EMP as an equivalent of damage in critical illnesses, in particular sepsis and acute brain injury. Their determination has resulted in new insights into endothelial dysfunction in the critically ill. It remains speculative whether their determination might guide therapy in these devastating acute disorders in the near future.
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Levin GY, Sukhareva EG, Egorikhina MN. Effects of Erythrocyte Microvesicles on the Coagulation Process Stages. Bull Exp Biol Med 2013; 156:32-4. [DOI: 10.1007/s10517-013-2270-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Markiewicz M, Richard E, Marks N, Ludwicka-Bradley A. Impact of endothelial microparticles on coagulation, inflammation, and angiogenesis in age-related vascular diseases. J Aging Res 2013; 2013:734509. [PMID: 24288612 PMCID: PMC3830876 DOI: 10.1155/2013/734509] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2013] [Accepted: 09/04/2013] [Indexed: 11/17/2022] Open
Abstract
Endothelial microparticles (EMPs) are complex vesicular structures that originate from plasma membranes of activated or apoptotic endothelial cells. EMPs play a significant role in vascular function by altering the processes of inflammation, coagulation, and angiogenesis, and they are key players in the pathogenesis of several vascular diseases. Circulating EMPs are increased in many age-related vascular diseases such as coronary artery disease, peripheral vascular disease, cerebral ischemia, and congestive heart failure. Their elevation in plasma has been considered as both a biomarker and bioactive effector of vascular damage and a target for vascular diseases. This review focuses on the pleiotropic roles of EMPs and the mechanisms that trigger their formation, particularly the involvement of decreased estrogen levels, thrombin, and PAI-1 as major factors that induce EMPs in age-related vascular diseases.
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Affiliation(s)
- Margaret Markiewicz
- Division of Rheumatology and Immunology, Medical University of South Carolina, 114 Doughty Street, STB, Charleston, SC 29425, USA
| | - Erin Richard
- Department of Biology, College of Charleston, Rita Liddy Hollings Science Center, Charleston, SC 29424, USA
| | - Natalia Marks
- Department of Radiology, Maimonides Medical Center, Brooklyn, NY 11219, USA
| | - Anna Ludwicka-Bradley
- Division of Rheumatology and Immunology, Medical University of South Carolina, 114 Doughty Street, STB, Charleston, SC 29425, USA
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Vadivel K, Agah S, Messer AS, Cascio D, Bajaj MS, Krishnaswamy S, Esmon CT, Padmanabhan K, Bajaj SP. Structural and functional studies of γ-carboxyglutamic acid domains of factor VIIa and activated Protein C: role of magnesium at physiological calcium. J Mol Biol 2013; 425:1961-1981. [PMID: 23454357 PMCID: PMC4017951 DOI: 10.1016/j.jmb.2013.02.017] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2012] [Revised: 02/10/2013] [Accepted: 02/14/2013] [Indexed: 11/28/2022]
Abstract
Crystal structures of factor (F) VIIa/soluble tissue factor (TF), obtained under high Mg(2+) (50mM Mg(2+)/5mM Ca(2+)), have three of seven Ca(2+) sites in the γ-carboxyglutamic acid (Gla) domain replaced by Mg(2+) at positions 1, 4, and 7. We now report structures under low Mg(2+) (2.5mM Mg(2+)/5mM Ca(2+)) as well as under high Ca(2+) (5mM Mg(2+)/45 mM Ca(2+)). Under low Mg(2+), four Ca(2+) and three Mg(2+) occupy the same positions as in high-Mg(2+) structures. Conversely, under low Mg(2+), reexamination of the structure of Gla domain of activated Protein C (APC) complexed with soluble endothelial Protein C receptor (sEPCR) has position 4 occupied by Ca(2+) and positions 1 and 7 by Mg(2+). Nonetheless, in direct binding experiments, Mg(2+) replaced three Ca(2+) sites in the unliganded Protein C or APC. Further, the high-Ca(2+) condition was necessary to replace Mg4 in the FVIIa/soluble TF structure. In biological studies, Mg(2+) enhanced phospholipid binding to FVIIa and APC at physiological Ca(2+). Additionally, Mg(2+) potentiated phospholipid-dependent activations of FIX and FX by FVIIa/TF and inactivation of activated factor V by APC. Since APC and FVIIa bind to sEPCR involving similar interactions, we conclude that under the low-Mg(2+) condition, sEPCR binding to APC-Gla (or FVIIa-Gla) replaces Mg4 by Ca4 with an attendant conformational change in the Gla domain ω-loop. Moreover, since phospholipid and sEPCR bind to FVIIa or APC via the ω-loop, we predict that phospholipid binding also induces the functional Ca4 conformation in this loop. Cumulatively, the data illustrate that Mg(2+) and Ca(2+) act in concert to promote coagulation and anticoagulation.
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Affiliation(s)
- Kanagasabai Vadivel
- UCLA/Orthopaedic Hospital Department of Orthopaedic Surgery, University of California, Los Angeles, CA 90095, USA
| | - Sayeh Agah
- UCLA/Orthopaedic Hospital Department of Orthopaedic Surgery, University of California, Los Angeles, CA 90095, USA
| | - Amanda S Messer
- UCLA/Orthopaedic Hospital Department of Orthopaedic Surgery, University of California, Los Angeles, CA 90095, USA
| | - Duilio Cascio
- UCLA-DOE Institute for Genomics and Proteomics, Los Angeles, CA 90095, USA
| | - Madhu S Bajaj
- Division of Pulmonology and Critical Care, Department of Medicine, University of California, Los Angeles, CA 90095, USA
| | - Sriram Krishnaswamy
- Department of Hematology, The Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Charles T Esmon
- Oklahoma Medical Research Foundation, Howard Hughes Medical Institute, Oklahoma City, OK 73104, USA
| | - Kaillathe Padmanabhan
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824, USA
| | - S Paul Bajaj
- UCLA/Orthopaedic Hospital Department of Orthopaedic Surgery, University of California, Los Angeles, CA 90095, USA; Molecular Biology Institute, University of California, Los Angeles, CA 90095, USA.
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Yong PJA, Koh CH, Shim WSN. Endothelial microparticles: missing link in endothelial dysfunction? Eur J Prev Cardiol 2013; 20:496-512. [DOI: 10.1177/2047487312445001] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
Affiliation(s)
| | | | - Winston SN Shim
- SingHealth Research Facilities, Singapore
- Duke-NUS Graduate Medical School Singapore, Singapore
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Crookston KP, Sibbitt WL, Chandler WL, Qualls CR, Roldan CA. Circulating microparticles in neuropsychiatric systemic lupus erythematosus. Int J Rheum Dis 2013; 16:72-80. [DOI: 10.1111/1756-185x.12026] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
| | | | - Wayne. L. Chandler
- Department of Pathology and Genomic Medicine; The Methodist Hospital; Houston; Texas; USA
| | - Clifford R. Qualls
- Department of Mathematics and Statistics; University of New Mexico; Albuquerque; New Mexico; USA
| | - Carlos A. Roldan
- Department of Internal Medicine; University of New Mexico School of Medicine; Albuquerque; New Mexico; USA
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Autophagy mediates the delivery of thrombogenic tissue factor to neutrophil extracellular traps in human sepsis. PLoS One 2012; 7:e45427. [PMID: 23029002 PMCID: PMC3446899 DOI: 10.1371/journal.pone.0045427] [Citation(s) in RCA: 163] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2012] [Accepted: 08/17/2012] [Indexed: 01/06/2023] Open
Abstract
Background Sepsis is associated with systemic inflammatory responses and induction of coagulation system. Neutrophil extracellular traps (NETs) constitute an antimicrobial mechanism, recently implicated in thrombosis via platelet entrapment and aggregation. Methodology/Principal Findings In this study, we demonstrate for the first time the localization of thrombogenic tissue factor (TF) in NETs released by neutrophils derived from patients with gram-negative sepsis and normal neutrophils treated with either serum from septic patients or inflammatory mediators involved in the pathogenesis of sepsis. Localization of TF in acidified autophagosomes was observed during this process, as indicated by positive LC3B and LysoTracker staining. Moreover, phosphatidylinositol 3-kinase inhibition with 3-MA or inhibition of endosomal acidification with bafilomycin A1 hindered the release of TF-bearing NETs. TF present in NETs induced thrombin generation in culture supernatants, which further resulted in protease activated receptor-1 signaling. Conclusions/Significance This study demonstrates the involvement of autophagic machinery in the extracellular delivery of TF in NETs and the subsequent activation of coagulation cascade, providing evidence for the implication of this process in coagulopathy and inflammatory response in sepsis.
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Sebag SC, Bastarache JA, Ware LB. Therapeutic modulation of coagulation and fibrinolysis in acute lung injury and the acute respiratory distress syndrome. Curr Pharm Biotechnol 2012; 12:1481-96. [PMID: 21401517 DOI: 10.2174/138920111798281171] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2010] [Revised: 10/21/2010] [Accepted: 10/21/2010] [Indexed: 01/01/2023]
Abstract
Acute respiratory distress syndrome (ARDS) and acute lung injury (ALI) are characterized by excessive intraalveolar fibrin deposition, driven, at least in part by inflammation. The imbalance between activation of coagulation and inhibition of fibrinolysis in patients with ALI/ARDS favors fibrin formation and appears to occur both systemically and in the lung and airspace. Tissue factor (TF), a key mediator of the activation of coagulation in the lung, has been implicated in the pathogenesis of ALI/ARDS. As such, there have been numerous investigations modulating TF activity in a variety of experimental systems in order to develop new therapeutic strategies for ALI/ARDS. This review will summarize current understanding of the role of TF and other proteins of the coagulation cascade as well the fibrinolysis pathway in the development of ALI/ARDS with an emphasis on the pathways that are potential therapeutic targets. These include the TF inhibitor pathway, the protein C pathway, antithrombin, heparin, and modulation of fibrinolysis through plasminogen activator- 1 (PAI-1) or plasminogen activators (PA). Although experimental studies show promising results, clinical trials to date have proven unsuccessful in improving patient outcomes. Modulation of coagulation and fibrinolysis has complex effects on both hemostasis and inflammatory pathways and further studies are needed to develop new treatment strategies for patients with ALI/ARDS.
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Affiliation(s)
- Sara C Sebag
- Department of Allergy, Pulmonary and Critical Care Medicine, Vanderbilt University Medical Center, T1218 MCN, 1161 21st Avenue S. Nashville, TN 37232-2650, USA
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Lozito TP, Tuan RS. Endothelial cell microparticles act as centers of matrix metalloproteinsase-2 (MMP-2) activation and vascular matrix remodeling. J Cell Physiol 2012; 227:534-49. [PMID: 21437907 DOI: 10.1002/jcp.22744] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Endothelial cell (EC)-derived microparticles (MPs) are small membrane vesicles associated with various vascular pathologies. Here, we investigated the role of MPs in matrix remodeling by analyzing their interactions with the extracellular matrix. MPs were shown to bind preferentially to surfaces coated with matrix molecules, and MPs bound fibronectin via integrin α(V) . MPs isolated from EC-conditioned medium (Sup) were significantly enriched for matrix-altering proteases, including matrix metalloproteinases (MMPs). MPs lacked the MMP inhibitors TIMP-1 and TIMP-2 found in the Sup and, while Sup strongly inhibited MMP activities but MPs did not. In fact, MPs were shown to bind and activate both endogenous and exogenous proMMP-2. Taken together, these results indicate that MPs interact with extracellular matrices, where they localize and activate MMP-2 to modify the surrounding matrix molecules. These findings provide insights into the cellular mechanisms of vascular matrix remodeling and identify new targets of vascular pathologies.
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Affiliation(s)
- Thomas P Lozito
- Cartilage Biology and Orthopaedics Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland, USA
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Ryu JH, Lim SY, Ryu DR, Kang DH, Choi KB, Kim SJ. Association between vascular access failure and microparticles in hemodialysis patients. Kidney Res Clin Pract 2012; 31:38-47. [PMID: 26889407 PMCID: PMC4715093 DOI: 10.1016/j.krcp.2011.12.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2011] [Revised: 07/10/2011] [Accepted: 08/03/2011] [Indexed: 11/30/2022] Open
Abstract
Background Vascular access failure, a major cause of morbidity in hemodialysis (HD) patients, occurs mainly at stenotic endothelium following an acute thrombotic event. Microparticles (MPs) are fragments derived from injured cell membrane and are closely associated with coagulation and vascular inflammatory responses. Methods We investigated the relationship between levels of circulating MPs and vascular access patency in HD patients. A total of 82 HD patients and 28 healthy patients were enrolled. We used flow cytometry to measure endothelial MPs (EMPs) identified by CD31+CD42− or CD51+ and platelet-derived MPs (PMPs) identified by CD31+CD42+ in plasma samples of participants. Vascular access patency was defined as an interval from the time of access formation to the time of first access stenosis in each patient. MP counts were compared according to access patent duration. Results The levels of EMP (both CD31+CD42− and CD51+) and CD31+CD42+PMP were significantly higher in patients than in healthy participants. Levels of CD31+CD42−EMP and CD31+CD42+PMP showed a positive correlation. In non-diabetic HD patients, CD31+CD42−EMPs and CD31+CD42+PMPs were more elevated in the shorter access survival group (access survival <1 year) than in the longer survival group (access survival ≥ 4 years). Conclusion Elevated circulating EMP or PMP counts are influenced by end-stage renal disease and increased levels of EMP and PMP may be associated with vascular access failure in HD patients.
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Affiliation(s)
- Jung-Hwa Ryu
- Division of Nephrology, Department of Internal Medicine, Ewha Womans University School of Medicine, Seoul, Korea
| | - Su-Young Lim
- Medical Research Institute, Ewha Womans University School of Medicine, Seoul, Korea
| | - Dong-Ryeol Ryu
- Division of Nephrology, Department of Internal Medicine, Ewha Womans University School of Medicine, Seoul, Korea
| | - Duk-Hee Kang
- Division of Nephrology, Department of Internal Medicine, Ewha Womans University School of Medicine, Seoul, Korea
| | - Kyu Bok Choi
- Division of Nephrology, Department of Internal Medicine, Ewha Womans University School of Medicine, Seoul, Korea
| | - Seung-Jung Kim
- Division of Nephrology, Department of Internal Medicine, Ewha Womans University School of Medicine, Seoul, Korea
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