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Falcione S, Munsterman D, Joy T, Kamtchum-Tatuene J, Sykes G, Jickling G. Association of Thrombin Generation With Leukocyte Inflammatory Profile in Patients With Acute Ischemic Stroke. Neurology 2022; 99:e1356-e1363. [PMID: 35790427 PMCID: PMC9576286 DOI: 10.1212/wnl.0000000000200909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 05/16/2022] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND AND OBJECTIVES Thrombosis is central to the pathogenesis of acute ischemic stroke, with higher thrombin generation being associated with increased stroke risk. The immune system may contribute to thrombin generation in stroke and thus may offer novel strategies for stroke prevention. This study addresses the research question regarding the relationship of thrombin generation to leukocyte gene expression in patients with acute ischemic stroke. METHODS We isolated RNA from whole blood and examined the relationship to thrombin generation capacity in patients with acute ischemic stroke. Due to its effects on thrombin generation, patients on anticoagulants were excluded from the study. The relationship of gene expression with peak thrombin was evaluated by analysis of covariance across peak thrombin quartiles adjusted for sex and age. RESULTS In 97 patients with acute ischemic stroke, peak thrombin was variable, ranging from 252.0 to 752.4 nM. Increased peak thrombin was associated with differences in thromboinflammatory leukocyte gene expression, including a decrease in ADAM metallopeptidase with thrombospondin type 1 motif 13 and an increase in nuclear factor κB (NF-κB)-activating protein, protein disulfide isomerase family A member 5, and tissue factor pathway inhibitor 2. Pathways associated with peak thrombin included interleukin 6 signaling, thrombin signaling, and NF-κB signaling. A linear discriminant analysis model summarizing the immune activation associated with peak thrombin in a first cohort of stroke could distinguish patients with low peak thrombin from high peak thrombin in a second cohort of 112 patients with acute ischemic stroke. DISCUSSION The identified genes and pathways support a role of the immune system contributing to thrombus formation in patients with stroke. These may have relevance to antithrombotic strategies for stroke prevention.
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Affiliation(s)
- Sarina Falcione
- From the Division of Neurology (S.F., D.M., T.J., G.S., G.J.), Department of Medicine, and Neuroscience and Mental Health Institute (J.K.-T.), Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada.
| | - Danielle Munsterman
- From the Division of Neurology (S.F., D.M., T.J., G.S., G.J.), Department of Medicine, and Neuroscience and Mental Health Institute (J.K.-T.), Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada
| | - Twinkle Joy
- From the Division of Neurology (S.F., D.M., T.J., G.S., G.J.), Department of Medicine, and Neuroscience and Mental Health Institute (J.K.-T.), Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada
| | - Joseph Kamtchum-Tatuene
- From the Division of Neurology (S.F., D.M., T.J., G.S., G.J.), Department of Medicine, and Neuroscience and Mental Health Institute (J.K.-T.), Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada
| | - Gina Sykes
- From the Division of Neurology (S.F., D.M., T.J., G.S., G.J.), Department of Medicine, and Neuroscience and Mental Health Institute (J.K.-T.), Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada
| | - Glen Jickling
- From the Division of Neurology (S.F., D.M., T.J., G.S., G.J.), Department of Medicine, and Neuroscience and Mental Health Institute (J.K.-T.), Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada
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Tilly MJ, Geurts S, Pezzullo AM, Bramer WM, de Groot NMS, Kavousi M, de Maat MPM. The association of coagulation and atrial fibrillation: a systematic review and meta-analysis. Europace 2022; 25:28-39. [PMID: 35942591 PMCID: PMC9907526 DOI: 10.1093/europace/euac130] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 06/30/2022] [Indexed: 11/14/2022] Open
Abstract
AIMS While atrial fibrillation (AF) is suggested to induce a prothrombotic state, increasing thrombotic risk, it is also hypothesized that coagulation underlies AF onset. However, conclusive evidence is lacking. With this systematic review and meta-analysis, we aimed to summarize and combine the evidence on the associations between coagulation factors with AF in both longitudinal and cross-sectional studies. METHODS AND RESULTS We systematically searched for longitudinal cohort and cross-sectional studies investigating AF and thrombosis. For longitudinal studies, pooled hazard ratios (HRs) and 95% confidence intervals (CIs) were calculated. For cross-sectional studies, we determined pooled standardized mean differences (SMDs) and 95% CIs. A total of 17 longitudinal and 44 cross-sectional studies were included. In longitudinal studies, we found significant associations between fibrinogen (HR 1.05, 95% CI 1.00-1.10), plasminogen activator inhibitor 1 (PAI-1) (HR 1.06, 95% CI 1.00-1.12), and D-dimer (HR 1.10, 95% CI 1.02-1.19) and AF incidence. In cross-sectional studies, we found significantly increased levels of fibrinogen (SMD 0.47, 95% CI 0.20-0,74), von Willebrand factor (SMD 0.96, 95% CI 0.28-1.66), P-selectin (SMD 0.31, 95% CI 0.08-0.54), ß-thromboglobulin (SMD 0.82, 95% CI 0.61-1.04), Platelet Factor 4 (SMD 0.42, 95% CI 0.12-0.7), PAI-1 (1.73, 95% CI 0.26-3.19), and D-dimer (SMD 1.74, 95% CI 0.36-3.11) in AF patients, as opposed to controls. CONCLUSION These findings suggest that higher levels of coagulation factors are associated with prevalent and incident AF. These associations are most pronounced with prevalent AF in cross-sectional studies. Limited evidence from longitudinal studies suggests a prothrombotic state underlying AF development.
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Affiliation(s)
- Martijn J Tilly
- Department of Epidemiology, Erasmus MC, University Medical Center, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - Sven Geurts
- Department of Epidemiology, Erasmus MC, University Medical Center, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - Angelo M Pezzullo
- Department of Epidemiology, Erasmus MC, University Medical Center, PO Box 2040, 3000 CA Rotterdam, The Netherlands,Dipartimento di Scienze della Vita e Sanità Pubblica, Università Cattolica del Sacro Cuore, Largo Francesco Vito, 1, 00168 Roma, Italy
| | - Wichor M Bramer
- Medical Library, Erasmus MC, University Medical Center, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - Natasja M S de Groot
- Department of Cardiology, Erasmus MC, University Medical Center, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - Maryam Kavousi
- Department of Epidemiology, Erasmus MC, University Medical Center, PO Box 2040, 3000 CA Rotterdam, The Netherlands
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Abstract
BACKGROUND Blood platelets, due to shared biochemical and functional properties with presynaptic serotonergic neurons, constituted, over the years, an attractive peripheral biomarker of neuronal activity. Therefore, the literature strongly focused on the investigation of eventual structural and functional platelet abnormalities in neuropsychiatric disorders, particularly in depressive disorder. Given their impact in biological psychiatry, the goal of the present paper was to review and critically analyze studies exploring platelet activity, functionality, and morpho-structure in subjects with depressive disorder. METHODS According to the PRISMA guidelines, we performed a systematic review through the PubMed database up to March 2020 with the search terms: (1) platelets in depression [Title/Abstract]"; (2) "(platelets[Title]) AND depressive disorder[Title/Abstract]"; (3) "(Platelet[Title]) AND major depressive disorder[Title]"; (4) (platelets[Title]) AND depressed[Title]"; (5) (platelets[Title]) AND depressive episode[Title]"; (6) (platelets[Title]) AND major depression[Title]"; (7) platelet activation in depression[All fields]"; and (8) platelet reactivity in depression[All fields]." RESULTS After a detailed screening analysis and the application of specific selection criteria, we included in our review a total of 106 for qualitative synthesis. The studies were classified into various subparagraphs according to platelet characteristics analyzed: serotonergic system (5-HT2A receptors, SERT activity, and 5-HT content), adrenergic system, MAO activity, biomarkers of activation, responsivity, morphological changes, and other molecular pathways. CONCLUSIONS Despite the large amount of the literature examined, nonunivocal and, occasionally, conflicting results emerged. However, the findings on structural and metabolic alterations, modifications in the expression of specific proteins, changes in the aggregability, or in the responsivity to different pro-activating stimuli, may be suggestive of potential platelet dysfunctions in depressed subjects, which would result in a kind of hyperreactive state. This condition could potentially lead to an increased cardiovascular risk. In line with this hypothesis, we speculated that antidepressant treatments would seem to reduce this hyperreactivity while representing a potential tool for reducing cardiovascular risk in depressed patients and, maybe, in other neuropsychiatric conditions. However, the problem of the specificity of platelet biomarkers is still at issue and would deserve to be deepened in future studies.
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Laxmi V, Joshi SS, Agrawal A. Design Evolution and Performance Study of a Reliable Platelet-Rich Plasma Microdevice. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c03590] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Vijai Laxmi
- Indian Institute of Technology, Bombay, Powai, Mumbai 400076, India
| | - Suhas S Joshi
- Indian Institute of Technology, Bombay, Powai, Mumbai 400076, India
| | - Amit Agrawal
- Indian Institute of Technology, Bombay, Powai, Mumbai 400076, India
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5
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Chen Y, Zhong H, Zhao Y, Luo X, Gao W. Role of platelet biomarkers in inflammatory response. Biomark Res 2020; 8:28. [PMID: 32774856 PMCID: PMC7397646 DOI: 10.1186/s40364-020-00207-2] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Accepted: 07/23/2020] [Indexed: 12/20/2022] Open
Abstract
Beyond hemostasis, thrombosis and wound healing, it is becoming increasingly clear that platelets play an integral role in inflammatory response and immune regulation. Platelets recognize pathogenic microorganisms and secrete various immunoregulatory cytokines and chemokines, thus facilitating a variety of immune effects and regulatory functions. In this review, we discuss recent advances in signaling of platelet activation-related biomarkers in inflammatory settings and application prospects to apply for disease diagnosis and treatment.
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Affiliation(s)
- Yufei Chen
- Department of Cardiology, Huashan Hospital, Fudan University, No.12 Middle Wulumuqi Road, Jing'an District, Shanghai, 200040 China
| | - Haoxuan Zhong
- Department of Cardiology, Huashan Hospital, Fudan University, No.12 Middle Wulumuqi Road, Jing'an District, Shanghai, 200040 China
| | - Yikai Zhao
- Department of Cardiology, Huashan Hospital, Fudan University, No.12 Middle Wulumuqi Road, Jing'an District, Shanghai, 200040 China
| | - Xinping Luo
- Department of Cardiology, Huashan Hospital, Fudan University, No.12 Middle Wulumuqi Road, Jing'an District, Shanghai, 200040 China
| | - Wen Gao
- Department of Cardiology, Huashan Hospital, Fudan University, No.12 Middle Wulumuqi Road, Jing'an District, Shanghai, 200040 China
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Pfluecke C, Wydra S, Berndt K, Tarnowski D, Cybularz M, Barthel P, Linke A, Ibrahim K, Poitz DM. CD11b expression on monocytes and data of inflammatory parameters after Transcatheter Aortic Valve Implantation in dependence of early mortality. Data Brief 2020; 31:105798. [PMID: 32548226 PMCID: PMC7286954 DOI: 10.1016/j.dib.2020.105798] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 05/26/2020] [Accepted: 05/26/2020] [Indexed: 01/10/2023] Open
Abstract
An inflammatory systemic reaction is common after Transcatheter Aortic Valve Implantation (TAVI). We recently reported about an involvement of Mon2-monocytes, the CD11b expression on monocytes and parameters of systemic inflammation before TAVI correlating with early mortality after TAVI. Here, we provide data of monocyte subpopulations, CD11b expression and parameters of a systemic inflammation in dependence of three-month mortality after TAVI. With this, we provide further insights into inflammatory mechanism after TAVI. The data were collected by flow-cytometric quantification analyses of peripheral blood in 120 consecutive patients who underwent TAVI (on day 1 and 7 after TAVI). Monocyte-subsets were identified by their CD14 and CD16 expression and monocyte-platelet-aggregates (MPA) by CD14/CD41 co-expression. The extent of monocyte activation was determined by quantification of CD11b-expression (activate epitope). Additionally, pro-inflammatory cytokines such as interleukin (IL)-6, IL-8, C-reactive protein, procalcitonin were measured using the cytometric bead array method or standard laboratory tests. Additionally, we report procedural outcomes in dependence of three-month mortality. Furthermore, correlations of CD11b-expression on monocytes with parameters of platelet activation or further inflammatory parameters are presented. For further interpretation of the presented data, please see the research article “Mon2-Monocytes and Increased CD-11b Expression Before Transcatheter Aortic Valve Implantation are Associated with Earlier Death” by Pfluecke et al.[1]
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Affiliation(s)
- C Pfluecke
- Technische Universität Dresden, Heart Center Dresden, University Hospital, Germany
| | - S Wydra
- Technische Universität Dresden, Heart Center Dresden, University Hospital, Germany
| | - K Berndt
- Department of Cardiology, Universitätsklinikum Leipzig, Leipzig, Germany
| | - D Tarnowski
- Department of Internal Medicine II, University Hospital Regensburg, Regensburg, Germany
| | - M Cybularz
- Technische Universität Dresden, Heart Center Dresden, University Hospital, Germany
| | - P Barthel
- Technische Universität Dresden, Heart Center Dresden, University Hospital, Germany
| | - A Linke
- Technische Universität Dresden, Heart Center Dresden, University Hospital, Germany
| | - K Ibrahim
- Department of Cardiology, Technische Universität Dresden, Klinikum Chemnitz, Chemnitz, Germany
| | - D M Poitz
- Institute for Clinical Chemistry and Laboratory Medicine, Faculty of Medicine, Technische Universität Dresden, Germany
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Hosono T, Sato A, Nakaguchi N, Ozaki-Masuzawa Y, Seki T. Diallyl Trisulfide Inhibits Platelet Aggregation through the Modification of Sulfhydryl Groups. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:1571-1578. [PMID: 31927886 DOI: 10.1021/acs.jafc.9b05557] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Diallyl trisulfide (DATS) is a secondary metabolite of allicin, a volatile organosulfur flavoring compound generated by the crushing of garlic. These compounds have various medicinal effects such as antiplatelet activity. In this study, we demonstrated for the first time the cellular mechanism involved in the inhibition of platelet aggregation by DATS and dipropyl trisulfide (DPTS), which is a saturated analogue of DATS. Washed murine platelets were incubated with these sulfides, and platelet aggregation was evaluated by light transmission aggregometry. The amount of reaction products produced by DATS, DPTS, and glutathione (GSH) was measured using liquid chromatography-mass spectrometry. Compared with DPTS, DATS potently inhibited platelet aggregation induced by thrombin, U46619, and collagen. N-Ethylmaleimide (NEM), which is commonly used to modify sulfhydryl groups, also suppressed platelet aggregation. The reactivity of DATS with GSH was higher than that of DPTS. These data suggested that DATS inhibited platelet aggregation through the reaction of sulfhydryl groups.
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Affiliation(s)
- Takashi Hosono
- Department of Applied Life Sciences , Nihon University Graduate School of Bioresource Sciences , Fujisawa , Kanagawa 252-0880 , Japan
- Department of Chemistry and Life Science , Nihon University Collage of Bioresource Sciences , Fujisawa , Kanagawa 252-0880 , Japan
| | - Asuka Sato
- Department of Applied Life Sciences , Nihon University Graduate School of Bioresource Sciences , Fujisawa , Kanagawa 252-0880 , Japan
| | - Natsumi Nakaguchi
- Department of Applied Life Sciences , Nihon University Graduate School of Bioresource Sciences , Fujisawa , Kanagawa 252-0880 , Japan
| | - Yori Ozaki-Masuzawa
- Department of Chemistry and Life Science , Nihon University Collage of Bioresource Sciences , Fujisawa , Kanagawa 252-0880 , Japan
| | - Taiichiro Seki
- Department of Applied Life Sciences , Nihon University Graduate School of Bioresource Sciences , Fujisawa , Kanagawa 252-0880 , Japan
- Department of Chemistry and Life Science , Nihon University Collage of Bioresource Sciences , Fujisawa , Kanagawa 252-0880 , Japan
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8
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Liu C, Yang Y, Du L, Chen S, Zhang J, Zhang C, Zhou J. Platelet-leukocyte aggregate is associated with adverse events after surgical intervention for rheumatic heart disease. Sci Rep 2019; 9:13069. [PMID: 31506454 PMCID: PMC6737193 DOI: 10.1038/s41598-019-49253-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 08/16/2019] [Indexed: 02/05/2023] Open
Abstract
Platelet-leukocyte aggregate (PLA) is implicated in the etiology of both vascular lesions and cardiovascular events. This prospective cohort study aimed to examine the prognostic value of PLA for major adverse cardiac and cerebrovascular events (MACCE) and perioperative adverse events (AEs) in patients with rheumatic heart disease undergoing surgical intervention by Cox proportional hazard regression and logistic regression. A total of 244 patients were included, of whom 7 were lost to follow-up. Among the analyzed 237 subjects who completed 3-year follow-up, 30 experienced MACCE and 38 experienced perioperative AEs. Preoperative PLA was higher in subjects who developed MACCE (13.32%) than in those who did not (8.69%, p = 0.040). In multivariate regression, elevated PLA was associated with increased MACCE (hazard ratio 1.51 for each quartile, 95% CI 1.07-2.13; p = 0.020), and perioperative AEs (odds ratio 1.61, 95% CI 1.14-2.26; p = 0.007). The optimal PLA cut-off for predicting MACCE was 6.8%. Subjects with PLA > 6.8% had a higher prevalence of MACCE (17.1% vs. 5.5%, p = 0.009) and perioperative AEs (19.9% vs. 8.6%, p = 0.018). Kaplan-Meier analysis showed shorter MACCE-free survival in patients with PLA > 6.8% (p = 0.007, log rank). Elevated preoperative PLA is associated with increased MACCE and perioperative AEs in patients with rheumatic valve disease undergoing surgical intervention.
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Affiliation(s)
- Chaonan Liu
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Yang Yang
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China.,Department of Anesthesiology, Affiliated Hospital of Guiyang Medical College, Guiyang, China
| | - Lei Du
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
| | - Si Chen
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Jie Zhang
- Key Laboratory of Transplant Engineering and Immunology, West China Hospital, Sichuan University, Chengdu, China
| | - Chongwei Zhang
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Jing Zhou
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China.
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9
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Tarnowski D, Plichta L, Forkmann M, Quick S, Ulbrich S, Heidrich FM, Wiedemann S, Christoph M, Poitz DM, Wunderlich C, Ibrahim K, Strasser RH, Pfluecke C. Reduction of atrial fibrillation burden by pulmonary vein isolation leads to a decrease of CD11b expression on inflammatory cells. Europace 2018; 20:459-465. [PMID: 28073885 DOI: 10.1093/europace/euw383] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Accepted: 10/29/2016] [Indexed: 11/14/2022] Open
Abstract
Aims It is hypothesized that inflammation could promote structural and electrical remodelling processes in atrial fibrillation (AF). Atrial infiltration of monocytes and granulocytes has been shown to be dependent on CD11b expression. The aim of this study was to investigate whether treatment of AF by pulmonary vein isolation (PVI) may lead to reduced inflammation, as indicated by a decrease of CD11b expression on monocytes and granulocytes. Methods and results Flow-cytometric quantification analysis and determination of systemic inflammatory markers of peripheral blood were performed in 75 patients undergoing PVI 1 day before and 6 months after PVI. The extent of activation of monocytes and granulocytes was measured by quantifying the cell adhesion molecule CD11b. The mean expression of CD11b on monocytes (20.9 ± 2.5 vs. 10.2 ± 1.4; P < 0.001) and granulocytes (13.9 ± 1.6 vs. 6.8 ± 0.5; P < 0.001), as well as the relative count of CD11b-positive monocytes (P < 0.05) and CD11b-positive granulocytes (P < 0.01) were significantly reduced when comparing the identical patients before and 6 months after PVI. Systemic inflammatory parameters showed only a declining tendency after 6 months. Patients with unsuccessful PVI and ongoing AF on the day of follow-up showed no decrease in CD11b expression. Conclusions A significant reduction of CD11b expression on monocytes and granulocytes, as a sign of reduced cellular inflammation, was achieved by treatment of AF using PVI. These data strongly support that AF is not only a consequence of but also a cause for inflammatory processes, which, in turn, may contribute to atrial remodelling.
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Affiliation(s)
- Daniel Tarnowski
- Technische Universität Dresden, Heart Center Dresden, Department of Cardiology, University Hospital, Fetscherstrasse 76, 01307 Dresden, Germany
| | - Lina Plichta
- Technische Universität Dresden, Heart Center Dresden, Department of Cardiology, University Hospital, Fetscherstrasse 76, 01307 Dresden, Germany
| | - Mathias Forkmann
- Technische Universität Dresden, Heart Center Dresden, Department of Cardiology, University Hospital, Fetscherstrasse 76, 01307 Dresden, Germany
| | - Silvio Quick
- Technische Universität Dresden, Heart Center Dresden, Department of Cardiology, University Hospital, Fetscherstrasse 76, 01307 Dresden, Germany
| | - Stefan Ulbrich
- Technische Universität Dresden, Heart Center Dresden, Department of Cardiology, University Hospital, Fetscherstrasse 76, 01307 Dresden, Germany
| | - Felix Matthias Heidrich
- Technische Universität Dresden, Heart Center Dresden, Department of Cardiology, University Hospital, Fetscherstrasse 76, 01307 Dresden, Germany
| | - Stephan Wiedemann
- Technische Universität Dresden, Heart Center Dresden, Department of Cardiology, University Hospital, Fetscherstrasse 76, 01307 Dresden, Germany
| | - Marian Christoph
- Technische Universität Dresden, Heart Center Dresden, Department of Cardiology, University Hospital, Fetscherstrasse 76, 01307 Dresden, Germany
| | - David Maximilian Poitz
- Technische Universität Dresden, Heart Center Dresden, Department of Cardiology, University Hospital, Fetscherstrasse 76, 01307 Dresden, Germany
| | - Carsten Wunderlich
- Technische Universität Dresden, Heart Center Dresden, Department of Cardiology, University Hospital, Fetscherstrasse 76, 01307 Dresden, Germany
| | - Karim Ibrahim
- Technische Universität Dresden, Heart Center Dresden, Department of Cardiology, University Hospital, Fetscherstrasse 76, 01307 Dresden, Germany
| | - Ruth H Strasser
- Technische Universität Dresden, Heart Center Dresden, Department of Cardiology, University Hospital, Fetscherstrasse 76, 01307 Dresden, Germany
| | - Christian Pfluecke
- Technische Universität Dresden, Heart Center Dresden, Department of Cardiology, University Hospital, Fetscherstrasse 76, 01307 Dresden, Germany
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Tomczyńska M, Salata I, Bijak M, Saluk‐Bijak J. The potential contribution and role of a blood platelets in autoimmune thyroid diseases. J Cell Mol Med 2018; 22:6386-6390. [PMID: 30188609 PMCID: PMC6237575 DOI: 10.1111/jcmm.13862] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2017] [Revised: 04/16/2018] [Accepted: 07/20/2018] [Indexed: 02/06/2023] Open
Abstract
The blood platelets are multifunctional blood cells which are involved in the initiation of atheroma, endothelial dysfunction, and modulation of inflammatory and immune responses in the pathophysiology of many diseases. Because of their multifaceted pro-inflammatory activity, platelets may be involved in the pathogenesis of autoimmune thyroid diseases (AITDs), such as Hashimoto's thyroiditis and Graves' disease. The aim of this study was to assess the level of activation and response ability of platelets in AITDs. We used the flow cytometry technique and kinetic measurement of aggregation to analyse platelet function immediately after blood collection and to demonstrate their activation in the circulation of patients with AITDs. We noted reorganization of platelet subpopulations (normal platelets, microparticles and aggregates) in AITDs, dependent on the degree of cell activation. We proved the elevated expression of the active form of integrin receptor GPIIb/IIIa, responsible for platelet aggregation, and in the kinetic test we confirmed the increased aggregation of platelets in different intracellular signal pathways (dependent on ADP, collagen, arachidonic acid). Our study demonstrates the high platelet activation level found in AITDs.
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Affiliation(s)
- Małgorzata Tomczyńska
- Department of General BiochemistryFaculty of Biology and Environmental ProtectionUniversity of LodzLodzPoland
| | | | - Michał Bijak
- Department of General BiochemistryFaculty of Biology and Environmental ProtectionUniversity of LodzLodzPoland
| | - Joanna Saluk‐Bijak
- Department of General BiochemistryFaculty of Biology and Environmental ProtectionUniversity of LodzLodzPoland
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11
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Papain Ameliorates the MPAs Formation-Mediated Activation of Monocytes by Inhibiting Cox-2 Expression via Regulating the MAPKs and PI3K/Akt Signal Pathway. BIOMED RESEARCH INTERNATIONAL 2018; 2018:3632084. [PMID: 30410927 PMCID: PMC6206584 DOI: 10.1155/2018/3632084] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2018] [Revised: 08/29/2018] [Accepted: 09/25/2018] [Indexed: 12/30/2022]
Abstract
Monocytes activation and subsequent inflammatory response mediated by monocyte-platelet aggregates (MPAs) formation play the key roles in the early pathogenesis of atherosclerosis (AS). Exploration of novel drugs to ameliorate MPAs formation-mediated monocytes activation would be helpful for the treatment of AS patients. Papain has definite pharmacological effects including antiplatelet, thrombolysis, and anti-inflammation. However, its effect on MPAs formation and the following monocytes activation remains vague. This study aimed to illustrate the underlying mechanisms of papain on MPAs formation-initiated monocytes activation in vitro. In this study, Papain, Cox-2 inhibitor (NS-398), and NF-κB agonist (TNF-α) were used as the treating agents, respectively. MPAs formation and activated monocytes were measured by flow cytometry (FCM). Cox-2 mRNA, MCP-1, and proteins of Cox-2 and NF-κB signal pathway were detected by qRT-PCR, ELISA, and western blotting, respectively. As we observed, papain exhibited the powerful inhibitory effects on thrombin-mediated MPAs formation and monocytes activation in a concentration-dependent manner as what Cox-2 inhibitor demonstrated. However, the inhibitory tendency was significantly reversed by TNF-α. We also discovered that both Cox-2 mRNA and protein expression as well as the release of MCP-1 of monocyte was inhibited by either papain or NS-398, but TNF-α stimulated Cox-2 expression and release of MCP-1. The results of western blotting assay indicated that thrombin-mediated proteins expression of MAPKs and PI3K/Akt signal pathway was inhibited by papain and NS-398. However, TNF-α notably abated the inhibitory effects of papain on the process of MPAs-initiated monocytes activation. Our findings suggest that papain can inhibit the MPAs formation-mediated activation of monocytes by inhibiting the MAPKs and PI3K/Akt signal pathway.
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12
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Kaur R, Kaur M, Singh J. Endothelial dysfunction and platelet hyperactivity in type 2 diabetes mellitus: molecular insights and therapeutic strategies. Cardiovasc Diabetol 2018; 17:121. [PMID: 30170601 PMCID: PMC6117983 DOI: 10.1186/s12933-018-0763-3] [Citation(s) in RCA: 338] [Impact Index Per Article: 56.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 08/20/2018] [Indexed: 12/14/2022] Open
Abstract
The incidence and prevalence of diabetes mellitus is rapidly increasing worldwide at an alarming rate. Type 2 diabetes mellitus (T2DM) is the most prevalent form of diabetes, accounting for approximately 90-95% of the total diabetes cases worldwide. Besides affecting the ability of body to use glucose, it is associated with micro-vascular and macro-vascular complications. Augmented atherosclerosis is documented to be the key factor leading to vascular complications in T2DM patients. The metabolic milieu of T2DM, including insulin resistance, hyperglycemia and release of excess free fatty acids, along with other metabolic abnormalities affects vascular wall by a series of events including endothelial dysfunction, platelet hyperactivity, oxidative stress and low-grade inflammation. Activation of these events further enhances vasoconstriction and promotes thrombus formation, ultimately resulting in the development of atherosclerosis. All these evidences are supported by the clinical trials reporting the importance of endothelial dysfunction and platelet hyperactivity in the pathogenesis of atherosclerotic vascular complications. In this review, an attempt has been made to comprehensively compile updated information available in context of endothelial and platelet dysfunction in T2DM.
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Affiliation(s)
- Raminderjit Kaur
- Department of Molecular Biology & Biochemistry, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Manpreet Kaur
- Department of Human Genetics, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Jatinder Singh
- Department of Molecular Biology & Biochemistry, Guru Nanak Dev University, Amritsar, Punjab, India.
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13
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Zhang C, Zhu Y, Wang S, Zachory Wei Z, Jiang MQ, Zhang Y, Pan Y, Tao S, Li J, Wei L. Temporal Gene Expression Profiles after Focal Cerebral Ischemia in Mice. Aging Dis 2018; 9:249-261. [PMID: 29896414 PMCID: PMC5963346 DOI: 10.14336/ad.2017.0424] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Accepted: 04/24/2017] [Indexed: 01/27/2023] Open
Abstract
A cascade of pathological processes is triggered in the lesion area after ischemic stroke. Unfortunately, our understanding of these complicated molecular events is incomplete. In this investigation, we sought to better understand the detailed molecular and inflammatory events occurring after ischemic stroke. RNA-seq technology was used to identify whole gene expression profiles at days (D1, D3, D7, D14, D21) after focal cerebral ischemia in mice. Enrichment analyses based on Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) terms for the differentially expressed genes (DEGs) were then analyzed. Inflammation-related genes that were significantly expressed after stroke were selected for analysis and the temporal expression patterns of pro-inflammatory and anti-inflammatory genes were reported. These data illustrated that the number of DEGs increased accumulatively after cerebral ischemia. In summary, there were 1967 DEGs at D1, 2280 DEGs at D3, 2631 DEGs at D7, 5516 DEGs at D14 and 7093 DEGs at D21. The significantly enriched GO terms also increased. 58 GO terms and 18 KEGG pathways were significantly enriched at all inspected time points. We identified 87 DEGs which were functionally related to inflammatory responses. The expression levels of pro-inflammation related genes CD16, CD32, CD86, CD11b, Tumour necrosis factor α (TNF-α), Interleukin 1β (IL-1β) increased over time and peaked at D14. Anti-inflammation related genes Arginase 1 (Arg1) and Chitinase-like 3 (Ym1) peaked at D1 while IL-10, Transforming growth factor β (TGF-β) and CD206, which were induced at 1 day after cerebral ischemia, peaked by 7 to 14 days. These gene profile changes were potentially linked to microglia/macrophage phenotype changes and could play a role in astroglial activation. This study supplies new insights and detailed information on the molecular events and pathological mechanisms that occur after experimental ischemic stroke.
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Affiliation(s)
- Chengjie Zhang
- Department of Neurology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
- Laboratories of Stem Cell Biology and Neural Regeneration and Function Recovery, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
- Department of Anesthesiology, Emory University School of Medicine, Atlanta, GA 30322, USA.
| | - Yanbing Zhu
- Laboratories of Stem Cell Biology and Neural Regeneration and Function Recovery, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
| | - Song Wang
- Laboratories of Stem Cell Biology and Neural Regeneration and Function Recovery, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
- Department of Anesthesiology, Emory University School of Medicine, Atlanta, GA 30322, USA.
| | - Zheng Zachory Wei
- Department of Neurology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
- Laboratories of Stem Cell Biology and Neural Regeneration and Function Recovery, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
- Department of Anesthesiology, Emory University School of Medicine, Atlanta, GA 30322, USA.
| | - Michael Qize Jiang
- Department of Anesthesiology, Emory University School of Medicine, Atlanta, GA 30322, USA.
| | - Yongbo Zhang
- Department of Neurology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
- Laboratories of Stem Cell Biology and Neural Regeneration and Function Recovery, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
| | - Yuhualei Pan
- Department of Neurology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
- Laboratories of Stem Cell Biology and Neural Regeneration and Function Recovery, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
| | - Shaoxin Tao
- Department of Neurology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
- Laboratories of Stem Cell Biology and Neural Regeneration and Function Recovery, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
| | - Jimei Li
- Department of Neurology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
- Laboratories of Stem Cell Biology and Neural Regeneration and Function Recovery, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
| | - Ling Wei
- Department of Neurology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
- Laboratories of Stem Cell Biology and Neural Regeneration and Function Recovery, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
- Department of Anesthesiology, Emory University School of Medicine, Atlanta, GA 30322, USA.
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14
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Tarnowski D, Poitz DM, Plichta L, Heidrich FM, Wiedemann S, Ruf T, Mierke J, Löhn T, Jellinghaus S, Strasser RH, Ibrahim K, Pfluecke C. Comparison of diverse platelet activation markers as indicators for left atrial thrombus in atrial fibrillation. Platelets 2017; 29:41-47. [PMID: 28287031 DOI: 10.1080/09537104.2017.1293805] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Atrial fibrillation (AF) is well known for being a major risk factor of thromboembolic stroke. We could recently demonstrate an association of monocyte-platelet aggregates (MPAs) with the degree of thrombogenicity in patients with AF. This study investigated platelet activation markers, as potential biomarkers for the presence of left atrial (LA) thrombus in patients with AF. One hundred and eight patients with symptomatic AF underwent transesophageal echocardiography (TEE) before scheduled cardioversion or pulmonary vein isolation. In order to determine the content of MPAs by flow-cytometric quantification analyses, blood was drawn on the day of TEE. The soluble CD40 Ligand (sCD40L) and soluble P-selectin (sP-selectin) were obtained by Cytometric Bead Arrays (CBA). D-dimer levels were detected by quantitative immunological determination of fibrin degradation products. Clinical, laboratory, and echocardiographic standard parameters were obtained from all patients, including the determination of the flow in the left atrial appendage (LAA). Patients with detected LA thrombus (n = 28) compared with patients without thrombus (n = 80) showed an increased number of common risk factors, such as age, diabetes, heart failure, and coronary artery disease (CAD). The presence of LA thrombus was associated with significantly increased levels of MPAs (147 ± 12 vs. 304 ± 29 per µl; p < 0.00), sCD40L (106.3 ± 31.0 vs. 33.5 ± 2.1 pg/ml, p = 0.027), and D-dimer (0.13 ± 0.02 vs. 0.69 ± 0.21 mg FEU/l, p = 0.015). In contrast, sP-selectin showed no association with LA thrombus. A multivariate regression analysis showed that MPAs, sCD40L as well as D-dimers were independent indicators for the existence of LA thrombus. MPAs above 170 cells/µl indicated LA thrombus with a high sensitivity of 93% and a specificity of 73% (OR 62, 95% CI. 6.9-557.2, p < 0.001) in patients with AF, whereas the D-dimer lost their quality as independent indicator by using the conventional cut-off of 0.5 mg/l within the regression analysis. MPAs, as well as the D-dimer, correlated significantly negatively with the flow in the LAA measured during TEE. The content of MPAs, sCD40L, and D-dimer, but not sP-selectin showed an increased dependence on LA thrombus in patients with AF. In our study group, MPAs showed the best diagnostic test accuracy of the compared platelet markers. The different results of the examined platelet activation markers could be an indication of diverse mechanisms of LA thrombus in AF. Further studies should evaluate whether determination of MPAs in clinical routine may suffice to indicate the presence of LA thrombus in patients with AF.
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Affiliation(s)
- Daniel Tarnowski
- a Technische Universität Dresden , Heart Center Dresden, University Hospital, Dresden , Germany
| | - David M Poitz
- a Technische Universität Dresden , Heart Center Dresden, University Hospital, Dresden , Germany
| | - Lina Plichta
- a Technische Universität Dresden , Heart Center Dresden, University Hospital, Dresden , Germany
| | - Felix M Heidrich
- a Technische Universität Dresden , Heart Center Dresden, University Hospital, Dresden , Germany
| | - Stephan Wiedemann
- a Technische Universität Dresden , Heart Center Dresden, University Hospital, Dresden , Germany
| | - Tobias Ruf
- a Technische Universität Dresden , Heart Center Dresden, University Hospital, Dresden , Germany
| | - Johannes Mierke
- a Technische Universität Dresden , Heart Center Dresden, University Hospital, Dresden , Germany
| | - Tobias Löhn
- a Technische Universität Dresden , Heart Center Dresden, University Hospital, Dresden , Germany
| | - Stefanie Jellinghaus
- a Technische Universität Dresden , Heart Center Dresden, University Hospital, Dresden , Germany
| | - Ruth H Strasser
- a Technische Universität Dresden , Heart Center Dresden, University Hospital, Dresden , Germany
| | - Karim Ibrahim
- a Technische Universität Dresden , Heart Center Dresden, University Hospital, Dresden , Germany
| | - Christian Pfluecke
- a Technische Universität Dresden , Heart Center Dresden, University Hospital, Dresden , Germany
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15
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Urbanski K, Ludew D, Filip G, Filip M, Sagan A, Szczepaniak P, Grudzien G, Sadowski J, Jasiewicz-Honkisz B, Sliwa T, Kapelak B, McGinnigle E, Mikolajczyk T, Guzik TJ. CD14 +CD16 ++ "nonclassical" monocytes are associated with endothelial dysfunction in patients with coronary artery disease. Thromb Haemost 2017; 117:971-980. [PMID: 28229168 DOI: 10.1160/th16-08-0614] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2016] [Accepted: 01/23/2016] [Indexed: 11/05/2022]
Abstract
Endothelial dysfunction and inflammation are key mechanisms of vascular disease. We hypothesised that heterogeneity of monocyte subpopulations may be related to the development of vascular dysfunction in coronary artery disease (CAD). Therefore, we examined the relationships between monocyte subsets (CD14++CD16- "classical - Mon1", CD14++CD16+ "intermediate - Mon2" and CD14+CD16++ "nonclassical - Mon3"), endothelial function and risk factor profiles in 130 patients with CAD undergoing coronary artery bypass grafting. This allowed for direct nitric oxide (NO) bioavailability assessment using isometric tension studies ex vivo (acetylcholine; ACh- and sodium-nitropruside; SNP-dependent) in segments of internal mammary arteries. The expression of CD14 and CD16 antigens and activation markers were determined in peripheral blood mononuclear cells using flow cytometry. Patients with high CD14+CD16++ "nonclassical" and low CD14++CD16- "classical" monocytes presented impaired endothelial function. High frequency of CD14+CD16++ "nonclassical" monocytes was associated with increased vascular superoxide production. Furthermore, endothelial dysfunction was associated with higher expression of activation marker CD11c selectively on CD14+CD16++ monocytes. Nonclassical and classical monocyte frequencies remained independent predictors of endothelial dysfunction when major risk factors for atherosclerosis were taken into account (β=0.18 p=0.04 and β=-0.19 p=0.03, respectively). In summary, our data indicate that CD14+CD16++ "nonclassical" monocytes are associated with more advanced vascular dysfunction measured as NO- bioavailability and vascular reactive oxygen species production.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | - Tomasz J Guzik
- Tomasz J. Guzik, MD, PhD, FRCP, BHF Centre for Excellence, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK, E-mail:
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16
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Aebisher D, Bartusik D, Tabarkiewicz J. Laser flow cytometry as a tool for the advancement of clinical medicine. Biomed Pharmacother 2017; 85:434-443. [DOI: 10.1016/j.biopha.2016.11.048] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2016] [Revised: 11/08/2016] [Accepted: 11/08/2016] [Indexed: 12/11/2022] Open
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17
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Pfluecke C, Plichta L, Tarnowski D, Forkmann M, Ulbrich S, Quick S, Heidrich FM, Wiedemann S, Christoph M, Poitz DM, Wunderlich C, Strasser RH, Ibrahim K. Association of platelet activation markers with recurrence of atrial fibrillation after pulmonary vein isolation. Platelets 2016; 28:394-399. [PMID: 27736274 DOI: 10.1080/09537104.2016.1227429] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Atrial fibrillation (AF) is known to cause platelet activation. AF and its degree of thrombogenesis could be associated with monocyte-platelet aggregates (MPAs). We investigated on whether the content of MPAs or other platelet activation markers is associated with the recurrence of AF after pulmonary vein isolation (PVI). A total of 73 patients with symptomatic AF underwent PVI. After 6 months, all patients were evaluated for episodes of AF recurrence. At the same time, flow-cytometric quantification analyses were performed to determine the content of MPAs. Further platelet activation parameters were detected by using either cytometric bead arrays or quantitative immunological determination. Patients with recurrent AF (n = 20) compared to individuals without AF relapse (n = 53) were associated with an increased content of MPAs (43 ± 3% vs. 33 ± 2%, p = 0.004), as well as an increased CD41 expression on monocytes (191 ± 20 vs. 113 ± 6, p = 0.001). The level of the soluble platelet activation markers such as D-dimer, sCD40L, and sP-selectin did not differ between these groups. The content of MPAs correlated weakly with the level of sCD40L (r = 0.26, p = 0.03), but not with sP-selectin and D-dimer, whereas sP-selectin and sCD40L correlated with each other (r = 0.38, p = 0.001). Only the cellular marker of platelet activation, the content of MPAs, was increased in patients with recurrent AF after PVI. In contrast, soluble markers remained unaltered. These data indicate a distinct mechanism and level of platelet activation in AF. The clinical relevance of MPAs in identifying AF recurrence or in guiding the therapy with anticoagulants remains to be elucidated.
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Affiliation(s)
- Christian Pfluecke
- a Technische Universität Dresden, Heart Center Dresden , University Hospital , Dresden , Germany
| | - Lina Plichta
- a Technische Universität Dresden, Heart Center Dresden , University Hospital , Dresden , Germany
| | - Daniel Tarnowski
- a Technische Universität Dresden, Heart Center Dresden , University Hospital , Dresden , Germany
| | - Mathias Forkmann
- a Technische Universität Dresden, Heart Center Dresden , University Hospital , Dresden , Germany
| | - Stefan Ulbrich
- a Technische Universität Dresden, Heart Center Dresden , University Hospital , Dresden , Germany
| | - Silvio Quick
- a Technische Universität Dresden, Heart Center Dresden , University Hospital , Dresden , Germany
| | - Felix M Heidrich
- a Technische Universität Dresden, Heart Center Dresden , University Hospital , Dresden , Germany
| | - Stephan Wiedemann
- a Technische Universität Dresden, Heart Center Dresden , University Hospital , Dresden , Germany
| | - Marian Christoph
- a Technische Universität Dresden, Heart Center Dresden , University Hospital , Dresden , Germany
| | - David M Poitz
- a Technische Universität Dresden, Heart Center Dresden , University Hospital , Dresden , Germany
| | - Carsten Wunderlich
- a Technische Universität Dresden, Heart Center Dresden , University Hospital , Dresden , Germany
| | - Ruth H Strasser
- a Technische Universität Dresden, Heart Center Dresden , University Hospital , Dresden , Germany
| | - Karim Ibrahim
- a Technische Universität Dresden, Heart Center Dresden , University Hospital , Dresden , Germany
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18
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Shahid F, Lip GYH, Shantsila E. Chronic Osteomyelitis and Atrial Fibrillation: Revisiting the Link Between Inflammation Burden and Arrhythmia. Can J Cardiol 2016; 32:1366-1368. [PMID: 27496779 DOI: 10.1016/j.cjca.2016.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Accepted: 05/03/2016] [Indexed: 12/01/2022] Open
Affiliation(s)
- Farhan Shahid
- University of Birmingham Institute of Cardiovascular Sciences, City Hospital, Birmingham, United Kingdom
| | - Gregory Y H Lip
- University of Birmingham Institute of Cardiovascular Sciences, City Hospital, Birmingham, United Kingdom; Aalborg Thrombosis Research Unit, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.
| | - Eduard Shantsila
- University of Birmingham Institute of Cardiovascular Sciences, City Hospital, Birmingham, United Kingdom
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19
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Yun SH, Sim EH, Goh RY, Park JI, Han JY. Platelet Activation: The Mechanisms and Potential Biomarkers. BIOMED RESEARCH INTERNATIONAL 2016; 2016:9060143. [PMID: 27403440 PMCID: PMC4925965 DOI: 10.1155/2016/9060143] [Citation(s) in RCA: 275] [Impact Index Per Article: 34.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/27/2016] [Accepted: 05/26/2016] [Indexed: 11/17/2022]
Abstract
Beyond hemostasis and thrombosis, an increasing number of studies indicate that platelets play an integral role in intercellular communication, mediating inflammatory and immunomodulatory activities. Our knowledge about how platelets modulate inflammatory and immunity has greatly improved in recent years. In this review, we discuss recent advances in the pathways of platelet activation and potential application of platelet activation biomarkers to diagnosis and prediction of disease states.
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Affiliation(s)
- Seong-Hoon Yun
- Department of Biochemistry, Dong-A University College of Medicine, 26 Daesingongwon-ro, Seo-gu, Busan 49201, Republic of Korea
| | - Eun-Hye Sim
- Department of Biochemistry, Dong-A University College of Medicine, 26 Daesingongwon-ro, Seo-gu, Busan 49201, Republic of Korea
| | - Ri-Young Goh
- Department of Laboratory Medicine, Dong-A University College of Medicine, 26 Daesingongwon-ro, Seo-gu, Busan 49201, Republic of Korea
| | - Joo-In Park
- Department of Biochemistry, Dong-A University College of Medicine, 26 Daesingongwon-ro, Seo-gu, Busan 49201, Republic of Korea
| | - Jin-Yeong Han
- Department of Laboratory Medicine, Dong-A University College of Medicine, 26 Daesingongwon-ro, Seo-gu, Busan 49201, Republic of Korea
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