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Hell L, Däullary T, Burghart V, Mauracher LM, Grilz E, Moser B, Kramer G, Schmid JA, Ay C, Pabinger I, Thaler J. Extracellular Vesicle-Associated Tissue Factor Activity in Prostate Cancer Patients with Disseminated Intravascular Coagulation. Cancers (Basel) 2021; 13:cancers13071487. [PMID: 33804899 PMCID: PMC8036918 DOI: 10.3390/cancers13071487] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/05/2021] [Accepted: 03/15/2021] [Indexed: 11/23/2022] Open
Abstract
Simple Summary Disseminated intravascular coagulation (DIC) may occur in patients with advanced prostate cancer. In the present study, we detected elevated extracellular vesicle (EV)-associated tissue factor (TF) activity in the plasma of prostate cancer patients with DIC compared with matched prostate cancer patients without DIC and healthy individuals. TF-exposing EVs from DIC patients were highly coagulant in a clotting assay. In in vitro co-culture experiments, EV-TF activity was increased by interactions between a TF-exposing prostate cancer cell line (DU145), peripheral blood mononuclear cells (PBMCs), and platelets. Data from this study contribute to the understanding of the pathogenesis of prostate cancer-related DIC. Abstract Patients with advanced prostate cancer may develop fulminant disseminated intravascular coagulation (DIC). Circulating extracellular vesicles (EVs)-exposing tissue factor (TF), the initiator of the coagulation cascade, may play an important role. We included 7 prostate cancer patients with DIC, 10 age- and stage-matched cancer controls without DIC, and 10 age-matched healthy male individuals. EV-TF activity was highly elevated in prostate cancer patients with DIC (11.40 pg/mL; range: 4.34–27.06) compared with prostate cancer patients without DIC (0.09 pg/mL; range: 0.00–0.30, p = 0.001) and healthy controls (0.18 pg/mL; range: 0.09–0.54; p = 0.001). Only EVs from patients with DIC reduced fibrin clot formation time of pooled plasma in a TF-dependent manner. Next, we performed in vitro co-culture experiments including EVs derived from a prostate cancer cell line with high (DU145) and low (LNCaP) TF expression, peripheral blood mononuclear cells (PBMCs), and platelets. Co-incubation of DU145 EVs with PBMCs and platelets significantly increased EV-TF activity in conditioned medium and induced TF activity on monocytes. No such effects were seen in co-culture experiments with LNCaP EVs. In conclusion, the findings indicate that elevated EV-TF activity plays a role in the development of prostate-cancer-related DIC and may result from interactions between tumor-derived EVs, monocytes, and platelets.
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Affiliation(s)
- Lena Hell
- Clinical Division of Haematology and Haemostaseology, Department of Medicine I, Medical University of Vienna, 1090 Vienna, Austria; (L.H.); (T.D.); (V.B.); (L.-M.M.); (E.G.); (C.A.); (I.P.)
| | - Thomas Däullary
- Clinical Division of Haematology and Haemostaseology, Department of Medicine I, Medical University of Vienna, 1090 Vienna, Austria; (L.H.); (T.D.); (V.B.); (L.-M.M.); (E.G.); (C.A.); (I.P.)
| | - Vanessa Burghart
- Clinical Division of Haematology and Haemostaseology, Department of Medicine I, Medical University of Vienna, 1090 Vienna, Austria; (L.H.); (T.D.); (V.B.); (L.-M.M.); (E.G.); (C.A.); (I.P.)
| | - Lisa-Marie Mauracher
- Clinical Division of Haematology and Haemostaseology, Department of Medicine I, Medical University of Vienna, 1090 Vienna, Austria; (L.H.); (T.D.); (V.B.); (L.-M.M.); (E.G.); (C.A.); (I.P.)
| | - Ella Grilz
- Clinical Division of Haematology and Haemostaseology, Department of Medicine I, Medical University of Vienna, 1090 Vienna, Austria; (L.H.); (T.D.); (V.B.); (L.-M.M.); (E.G.); (C.A.); (I.P.)
| | - Bernhard Moser
- Center for Physiology and Pharmacology, Institute of Physiology, Medical University of Vienna, 1090 Vienna, Austria; (B.M.); (J.A.S.)
| | - Gero Kramer
- Department of Urology, Medical University of Vienna, 1090 Vienna, Austria;
| | - Johannes A. Schmid
- Center for Physiology and Pharmacology, Institute of Physiology, Medical University of Vienna, 1090 Vienna, Austria; (B.M.); (J.A.S.)
| | - Cihan Ay
- Clinical Division of Haematology and Haemostaseology, Department of Medicine I, Medical University of Vienna, 1090 Vienna, Austria; (L.H.); (T.D.); (V.B.); (L.-M.M.); (E.G.); (C.A.); (I.P.)
| | - Ingrid Pabinger
- Clinical Division of Haematology and Haemostaseology, Department of Medicine I, Medical University of Vienna, 1090 Vienna, Austria; (L.H.); (T.D.); (V.B.); (L.-M.M.); (E.G.); (C.A.); (I.P.)
| | - Johannes Thaler
- Clinical Division of Haematology and Haemostaseology, Department of Medicine I, Medical University of Vienna, 1090 Vienna, Austria; (L.H.); (T.D.); (V.B.); (L.-M.M.); (E.G.); (C.A.); (I.P.)
- Correspondence:
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Deng C, Wu D, Yang M, Chen Y, Wang C, Zhong Z, Lian N, Chen H, Wu S. Expression of tissue factor and forkhead box transcription factor O-1 in a rat model for chronic thromboembolic pulmonary hypertension. J Thromb Thrombolysis 2017; 42:520-8. [PMID: 27542118 DOI: 10.1007/s11239-016-1413-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Few reports have examined tissue factor (TF) and forkhead box transcription factor O-1 (FoxO1) expression in chronic thromboembolic pulmonary hypertension (CTEPH) animal models. To investigate the role of TF and FoxO1 and their interactions during CTEPH pathogenesis in a rat model. Autologous blood clots were repeatedly injected into the pulmonary arteries through right jugular vein to induce a rat model of CTEPH. Hemodynamic parameters, histopathology, and TF and FoxO1expression levels were detected. The mean pulmonary arterial pressure (mPAP), pulmonary vascular resistance and vessel wall area/total area (WA/TA) ratio in the experiment group increased significantly than sham group (P < 0.05). The cardiac output in the 1-, 2-, and 4-week groups decreased significantly (P < 0.05) when compared to sham group. TF mRNA expression levels in the experiment group increased significantly than sham group (P < 0.05). FoxO1 mRNA and protein expression levels were lower in the experiment group than sham group (P < 0.05). The mPAP had a positive correlation with WA/TA ratio (r = 0.45, P = 0.01). TF mRNA expression had a positive correlation with WA/TA ratio (r = 0.374, P = 0.035) and a positive correlation with mPAP (r = 0.48, P= 0.005). FoxO1 mRNA expression had a negative correlation trend with the WA/TA ratio (r = -0.297, P = 0.099) and a negative correlation trend with mPAP (r = -0.34, P = 0.057). TF mRNA expression had a negative correlation with FoxO1 mRNA expression (r = -0.62, P < 0.001). A rat model of CTEPH can be successfully established by the injection of autologous blood clots into the pulmonary artery. TF and FoxO1 may play a key role in vascular remodeling during CTEPH pathogenesis.
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Affiliation(s)
- Chaosheng Deng
- Division of Respiratory and Critical Care Medicine, First Affiliated Hospital of Fujian Medical University, Fuzhou, 350005, Fujian, China.
| | - Dawen Wu
- Division of Respiratory and Critical Care Medicine, First Affiliated Hospital of Fujian Medical University, Fuzhou, 350005, Fujian, China
| | - Minxia Yang
- Division of Respiratory and Critical Care Medicine, First Affiliated Hospital of Fujian Medical University, Fuzhou, 350005, Fujian, China
| | - Yunfei Chen
- Division of Respiratory and Critical Care Medicine, First Affiliated Hospital of Fujian Medical University, Fuzhou, 350005, Fujian, China
| | - Caiyun Wang
- Division of Respiratory and Critical Care Medicine, First Affiliated Hospital of Fujian Medical University, Fuzhou, 350005, Fujian, China
| | - Zhanghua Zhong
- Division of Respiratory and Critical Care Medicine, First Affiliated Hospital of Fujian Medical University, Fuzhou, 350005, Fujian, China
| | - Ningfang Lian
- Division of Respiratory and Critical Care Medicine, First Affiliated Hospital of Fujian Medical University, Fuzhou, 350005, Fujian, China
| | - Hua Chen
- Division of Respiratory and Critical Care Medicine, First Affiliated Hospital of Fujian Medical University, Fuzhou, 350005, Fujian, China
| | - Shuang Wu
- Division of Respiratory and Critical Care Medicine, First Affiliated Hospital of Fujian Medical University, Fuzhou, 350005, Fujian, China
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Deng C, Wu D, Yang M, Chen Y, Ding H, Zhong Z, Lian N, Zhang Q, Wu S, Liu K. The role of tissue factor and autophagy in pulmonary vascular remodeling in a rat model for chronic thromboembolic pulmonary hypertension. Respir Res 2016; 17:65. [PMID: 27234007 PMCID: PMC4884382 DOI: 10.1186/s12931-016-0383-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Accepted: 05/24/2016] [Indexed: 02/03/2023] Open
Abstract
Background Few reports have examined tissue factor (TF) and autophagy expression in chronic pulmonary thromboembolic hypertension (CTEPH) animal models. Objectives: To investigate the role of tissue factor (TF), autophagy and their interactions during chronic thromboembolic pulmonary hypertension (CTEPH) pathogenesis in a rat model. Methods Autologous blood clots were repeatedly injected into the left jugular vein of rats with injecting endogenous fibrinolysis inhibitor tranexamic acid (TXA). Mean pulmonary arterial pressure (mPAP), histopathology and TF, Beclin-1 and microtubule-associated protein 1 light chain (LC3) expression levels were detected. Results The mPAP and vessel wall area/total area (WA/TA) ratio in the experiment group increased significantly (P < 0.05). TF mRNA and protein expression levels in the experiment group increased significantly (P < 0.05). Beclin-1 and LC3B mRNA and protein expression levels were lower in the experiment group (P < 0.05). The mPAP had a positive correlation with WA/TA ratio (r = 0.955, P < 0.05). Beclin-1 and LC3B protein expression had a negative correlation with the WA/TA ratio (r = -0.963, P < 0.05, r = -0.965, P < 0.05, respectively). TF protein expression had a negative correlation with both Beclin-1 and LC3B protein expression (r = -0.995, P <0.05, r = -0972, P < 0.05, respectively). Conclusions A rat model of CTEPH can be established by repeatedly introducing autologous blood clots into the pulmonary artery with injecting TXA. TF and autophagy may play a key role during CTEPH pathogenesis, especially in vascular remodeling.
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Affiliation(s)
- Chaosheng Deng
- Division of Respiratory and Critical Care Medicine, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian Province, 350005, China.
| | - Dawen Wu
- Division of Respiratory and Critical Care Medicine, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian Province, 350005, China
| | - Minxia Yang
- Division of Respiratory and Critical Care Medicine, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian Province, 350005, China
| | - Yunfei Chen
- Division of Respiratory and Critical Care Medicine, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian Province, 350005, China
| | - Haibo Ding
- Division of Respiratory and Critical Care Medicine, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian Province, 350005, China
| | - Zhanghua Zhong
- Division of Respiratory and Critical Care Medicine, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian Province, 350005, China
| | - Ningfang Lian
- Division of Respiratory and Critical Care Medicine, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian Province, 350005, China
| | - Qiaoxian Zhang
- Division of Respiratory and Critical Care Medicine, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian Province, 350005, China
| | - Shuang Wu
- Division of Respiratory and Critical Care Medicine, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian Province, 350005, China
| | - Kaixiong Liu
- Division of Respiratory and Critical Care Medicine, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian Province, 350005, China
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Signorelli SS, Valerio F, Davide C, Oliveri Conti G, Maria F, Ignazio M, Margherita F. Evaluating the Potential of Routine Blood Tests to Identify the Risk of Deep Vein Thrombosis: A 1-Year Monocenter Cohort Study. Angiology 2016; 68:592-597. [PMID: 27765880 DOI: 10.1177/0003319716673011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Study on 295 consecutive medical patients to evaluate the potential of routine blood tests to identify the risk of deep vein thrombosis (DVT). The tests included in a DVT risk stratification model system were erythrocyte sedimentation rate, antithrombin III, C-reactive protein, D-dimer, and N-terminal pro-brain natriuretic peptide. The DVT risk stratification system was moderately prognostic (area under the curve: 0.838; 95% confidence interval: 0.771-0.904; P < .001), whereas its performance was as follows-sensitivity, 100%; specificity, 20%; positive predictive value, 21%; and negative predictive value, 100%. The prevalence of DVT and DVT + superficial thrombophlebitis was 7.5% and 3.1%, respectively. These routine blood tests may prove helpful to stratify the DVT risk in medical patients.
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Affiliation(s)
- Salvatore Santo Signorelli
- 1 Medical Angiology Unit, Department of Clinical and Experimental Medicine, University of Catania, Garibaldi Hospital, Catania, Italy
| | - Fiore Valerio
- 1 Medical Angiology Unit, Department of Clinical and Experimental Medicine, University of Catania, Garibaldi Hospital, Catania, Italy
| | - Castrogiovanni Davide
- 1 Medical Angiology Unit, Department of Clinical and Experimental Medicine, University of Catania, Garibaldi Hospital, Catania, Italy
| | - Gea Oliveri Conti
- 2 Department of Medical, Surgical Sciences and Advanced Technologies, G.F. Ingrassia, University of Catania, Catania, Italy
| | - Fiore Maria
- 2 Department of Medical, Surgical Sciences and Advanced Technologies, G.F. Ingrassia, University of Catania, Catania, Italy
| | - Morana Ignazio
- 3 Division of Internal Medicine Critical Areas, Garibaldi Hospital, Catania, Italy
| | - Ferrante Margherita
- 2 Department of Medical, Surgical Sciences and Advanced Technologies, G.F. Ingrassia, University of Catania, Catania, Italy
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Malaponte G, Signorelli SS, Bevelacqua V, Polesel J, Taborelli M, Guarneri C, Fenga C, Umezawa K, Libra M. Increased Levels of NF-kB-Dependent Markers in Cancer-Associated Deep Venous Thrombosis. PLoS One 2015; 10:e0132496. [PMID: 26192925 PMCID: PMC4507873 DOI: 10.1371/journal.pone.0132496] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2015] [Accepted: 06/15/2015] [Indexed: 12/17/2022] Open
Abstract
Several studies highlight the role of inflammatory markers in thrombosis as well as in cancer. However, their combined role in cancer-associated deep vein thrombosis (DVT) and the molecular mechanisms, involved in its pathophysiology, needs further investigations. In the present study, C-reactive protein, interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α), interleukin-1 (IL-1β), matrix metalloproteases-9 (MMP-9), vascular endothelial growth factor (VEGF), tissue factor (TF), fibrinogen and soluble P-selectin, were analyzed in plasma and in monocyte samples from 385 cancer patients, of whom 64 were concomitantly affected by DVT (+). All these markers were higher in cancer patients DVT+ than in those DVT-. Accordingly, significantly higher NF-kB activity was observed in cancer patients DVT+ than DVT-. Significant correlation between data obtained in plasma and monocyte samples was observed. NF-kB inhibition was associated with decreased levels of all molecules in both cancer DVT+ and DVT-. To further demonstrate the involvement of NF-kB activation by the above mentioned molecules, we treated monocyte derived from healthy donors with a pool of sera from cancer patients with and without DVT. These set of experiments further suggest the significant role played by some molecules, regulated by NF-kB, and detected in cancer patients with DVT. Our data support the notion that NF-kB may be considered as a therapeutic target for cancer patients, especially those complicated by DVT. Treatment with NF-kB inhibitors may represent a possible strategy to prevent or reduce the risk of DVT in cancer patients.
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Affiliation(s)
- Grazia Malaponte
- Department of Biomedical and Biotechnological Sciences, Section of General & Clinical Pathology and Oncology, University of Catania, Catania, Italy
| | - Salvatore S. Signorelli
- Department of Clinical and Experimental Medicine, University of Catania, Medical Angiology Unit, Garibaldi Hospital, Catania, Italy
- * E-mail:
| | - Valentina Bevelacqua
- Department of Biomedical and Biotechnological Sciences, Section of General & Clinical Pathology and Oncology, University of Catania, Catania, Italy
| | - Jerry Polesel
- Epidemiology and Biostatistics Unit, Centro di Riferimento Oncologico-National Cancer Institute, Aviano, Italy
| | - Martina Taborelli
- Epidemiology and Biostatistics Unit, Centro di Riferimento Oncologico-National Cancer Institute, Aviano, Italy
| | - Claudio Guarneri
- Department of Clinical and Experimental Medicine, Section of Dermatology, University of Messina, Messina, Italy
| | - Concettina Fenga
- Department of Environmental and Health Sciences (S.A.S.T.A.S.), University of Messina, Messina, Italy
| | - Kazou Umezawa
- Department of Molecular Target Medicine Screening, Aichi Medical University, Nagakute, Japan
| | - Massimo Libra
- Department of Biomedical and Biotechnological Sciences, Section of General & Clinical Pathology and Oncology, University of Catania, Catania, Italy
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Freitas LG, Sathler-Avelar R, Vitelli-Avelar DM, Bela SR, Teixeira-Carvalho A, Carvalho MDG, Martins-Filho OA, Dusse LMS. Preeclampsia: Integrated network model of platelet biomarkers interaction as a tool to evaluate the hemostatic/immunological interface. Clin Chim Acta 2014; 436:193-201. [DOI: 10.1016/j.cca.2014.05.020] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2014] [Revised: 05/27/2014] [Accepted: 05/28/2014] [Indexed: 12/19/2022]
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Hansen-Krone IJ, Enga KF, Südduth-Klinger JM, Mathiesen EB, Njølstad I, Wilsgaard T, Watkins S, Brækkan SK, Hansen JB. High fish plus fish oil intake is associated with slightly reduced risk of venous thromboembolism: the Tromsø Study. J Nutr 2014; 144:861-7. [PMID: 24744307 DOI: 10.3945/jn.113.189548] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Current knowledge of the effect of fish consumption on risk of venous thromboembolism (VTE) is scarce and diverging. Therefore, the purpose of the present study was to investigate the impact of fish consumption and fish oil supplements on the risk of VTE in a population-based cohort. Weekly intake of fish for dinner and intake of fish oil supplements during the previous year were registered in 23,621 persons aged 25-97 y who participated in the Tromsø Study from 1994 to 1995. Incident VTE events were registered throughout follow-up (31 December 2010). Cox-regression models were used to calculate HRs for VTE, adjusted for age, body mass index, sex, triglycerides, HDL cholesterol, physical activity, and education level. During a median of 15.8 y of follow-up there were 536 incident VTE events. High fish consumption was associated with a slightly reduced risk of VTE. Participants who ate fish ≥3 times/wk had 22% lower risk of VTE than those who consumed fish 1-1.9 times/wk (multivariable HR: 0.78; 95% CI: 0.60, 1.01; P = 0.06). The addition of fish oil supplements strengthened the inverse association with risk of VTE. Participants who consumed fish ≥3 times/wk who additionally used fish oil supplements had 48% lower risk than those who consumed fish 1-1.9 times/wk but did not use fish oil supplements (HR: 0.52; 95% CI: 0.34, 0.79; P = 0.002). In conclusion, a high weekly intake (≥3 times/wk) of fish was associated with a slightly reduced risk of VTE, and the addition of fish oil supplements strengthened the inverse effect.
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Affiliation(s)
- Ida J Hansen-Krone
- Hematological Research Group, Department of Clinical Medicine, University of Tromsø, Tromsø, Norway
| | - Kristin F Enga
- Hematological Research Group, Department of Clinical Medicine, University of Tromsø, Tromsø, Norway
| | | | - Ellisiv B Mathiesen
- Cerebrovascular Research Group, Department of Clinical Medicine, University of Tromsø, Tromsø, Norway Department of Neurology, University Hospital of North Norway, Tromsø, Norway
| | - Inger Njølstad
- Department of Community Medicine, University of Tromsø, Tromsø, Norway
| | - Tom Wilsgaard
- Department of Community Medicine, University of Tromsø, Tromsø, Norway
| | - Steven Watkins
- Lipomics, a Division of Metabolon, West Sacramento, CA; and
| | - Sigrid K Brækkan
- Hematological Research Group, Department of Clinical Medicine, University of Tromsø, Tromsø, Norway Division of Internal Medicine, University Hospital of North Norway, Tromsø, Norway
| | - John-Bjarne Hansen
- Hematological Research Group, Department of Clinical Medicine, University of Tromsø, Tromsø, Norway Division of Internal Medicine, University Hospital of North Norway, Tromsø, Norway
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McElroy AK, Erickson BR, Flietstra TD, Rollin PE, Nichol ST, Towner JS, Spiropoulou CF. Ebola hemorrhagic Fever: novel biomarker correlates of clinical outcome. J Infect Dis 2014; 210:558-66. [PMID: 24526742 DOI: 10.1093/infdis/jiu088] [Citation(s) in RCA: 151] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Ebola hemorrhagic fever (EHF) outbreaks occur sporadically in Africa and result in high rates of death. The 2000-2001 outbreak of Sudan virus-associated EHF in the Gulu district of Uganda led to 425 cases, of which 216 were laboratory confirmed, making it the largest EHF outbreak on record. Serum specimens from this outbreak had been preserved in liquid nitrogen from the time of collection and were available for analysis. METHODS Available samples were tested using a series of multiplex assays to measure the concentrations of 55 biomarkers. The data were analyzed to identify statistically significant associations between the tested biomarkers and hemorrhagic manifestations, viremia, and/or death. RESULTS Death, hemorrhage, and viremia were independently associated with elevated levels of several chemokines and cytokines. Death and hemorrhage were associated with elevated thrombomodulin and ferritin levels. Hemorrhage was also associated with elevated levels of soluble intracellular adhesion molecule. Viremia was independently associated with elevated levels of tissue factor and tissue plasminogen activator. Finally, samples from nonfatal cases had higher levels of sCD40L. CONCLUSIONS These novel associations provide a better understanding of EHF pathophysiology and a starting point for researching new potential targets for therapeutic interventions.
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Affiliation(s)
- Anita K McElroy
- Viral Special Pathogens Branch, Centers for Disease Control and Prevention Division of Pediatric Infectious Disease, Emory University School of Medicine, Atlanta, Georgia
| | - Bobbie R Erickson
- Viral Special Pathogens Branch, Centers for Disease Control and Prevention
| | | | - Pierre E Rollin
- Viral Special Pathogens Branch, Centers for Disease Control and Prevention
| | - Stuart T Nichol
- Viral Special Pathogens Branch, Centers for Disease Control and Prevention
| | - Jonathan S Towner
- Viral Special Pathogens Branch, Centers for Disease Control and Prevention
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Ye R, Ye C, Huang Y, Liu L, Wang S. Circulating tissue factor positive microparticles in patients with acute recurrent deep venous thrombosis. Thromb Res 2012; 130:253-8. [DOI: 10.1016/j.thromres.2011.10.014] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2011] [Revised: 09/24/2011] [Accepted: 10/17/2011] [Indexed: 01/03/2023]
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Basavaraj MG, Brækkan SK, Brodin E, Østerud B, Hansen JB. Monocyte count and procoagulant functions are associated with risk of venous thromboembolism: the Tromsø study. J Thromb Haemost 2011; 9:1673-6. [PMID: 21692979 DOI: 10.1111/j.1538-7836.2011.04411.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
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Kurtoglu M, Koksoy C, Hasan E, Akcalı Y, Karabay O, Filizcan U. Long-term efficacy and safety of once-daily enoxaparin plus warfarin for the outpatient ambulatory treatment of lower-limb deep vein thrombosis in the TROMBOTEK trial. J Vasc Surg 2010; 52:1262-70. [DOI: 10.1016/j.jvs.2010.06.070] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2010] [Revised: 06/02/2010] [Accepted: 06/03/2010] [Indexed: 11/27/2022]
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Garcia Rodriguez P, Eikenboom H, Tesselaar M, Huisman M, Nijkeuter M, Osanto S, Bertina R. Plasma levels of microparticle-associated tissue factor activity in patients with clinically suspected pulmonary embolism. Thromb Res 2010; 126:345-9. [DOI: 10.1016/j.thromres.2010.07.006] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2010] [Revised: 07/01/2010] [Accepted: 07/12/2010] [Indexed: 12/21/2022]
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Semeraro F, Ammollo CT, Semeraro N, Colucci M. Tissue factor-expressing monocytes inhibit fibrinolysis through a TAFI-mediated mechanism, and make clots resistant to heparins. Haematologica 2009; 94:819-26. [PMID: 19377079 DOI: 10.3324/haematol.2008.000042] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Thrombin is the main activator of the fibrinolysis inhibitor TAFI (thrombin activatable fibrinolysis inhibitor) and heightened clotting activation is believed to impair fibrinolysis through the increase of thrombin activatable fibrinolysis inhibitor activation. However, the enhancement of thrombin generation by soluble tissue factor was reported to have no effect on plasma fibrinolysis and it is not known whether the same is true for cell-associated tissue factor. The aim of this study was to evaluate the effect of tissue factor-expressing monocytes on plasma fibrinolysis in vitro. DESIGN AND METHODS Tissue factor expression by human blood mononuclear cells (MNC) and monocytes was induced by LPS stimulation. Fibrinolysis was spectrophotometrically evaluated by measuring the lysis time of plasma clots containing LPS-stimulated or control cells and a low concentration of exogenous tissue plasminogen activator. RESULTS LPS-stimulated MNC (LPS-MNC) prolonged fibrinolysis time as compared to unstimulated MNC (C-MNC) in contact-inhibited but not in normal citrated plasma. A significantly prolonged lysis time was observed using as few as 30 activated cells/microL. Fibrinolysis was also impaired when clots were generated on adherent LPS-stimulated monocytes. The antifibrinolytic effect of LPS-MNC or LPS-monocytes was abolished by an anti-tissue factor antibody, by an antibody preventing thrombin-mediated thrombin activatable fibrinolysis inhibitor activation, and by a TAFIa inhibitor (PTCI). Assays of thrombin and TAFIa in contact-inhibited plasma confirmed the greater generation of these enzymes in the presence of LPS-MNC. Finally, the profibrinolytic effect of unfractionated heparin and enoxaparin was markedly lower (approximately 50%) in the presence of LPS-MNC than in the presence of a thromboplastin preparation displaying an identical tissue factor activity. CONCLUSIONS Our data indicate that LPS-stimulated monocytes inhibit fibrinolysis through a tissue factor-mediated enhancement of thrombin activatable fibrinolysis inhibitor activation and make clots resistant to the profibrinolytic activity of heparins, thus providing an additional mechanism whereby tissue factor-expressing monocytes/macrophages may favor fibrin accumulation and diminish the antithrombotic efficacy of heparins.
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Affiliation(s)
- Fabrizio Semeraro
- Department of Biomedical Sciences and Human Oncology, Section of General and Experimental Pathology, University of Bari, Bari, Italy
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Lima LM, Sousa MO, Dusse LMS, Lasmar MC, das Graças Carvalho M, Lwaleed BA. Tissue factor and tissue factor pathway inhibitor levels in coronary artery disease: Correlation with the severity of atheromatosis. Thromb Res 2007; 121:283-7. [PMID: 17582470 DOI: 10.1016/j.thromres.2007.04.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2006] [Revised: 03/12/2007] [Accepted: 04/20/2007] [Indexed: 10/23/2022]
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