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Arsenite Inhibits Tissue-Type Plasminogen Activator Synthesis through NRF2 Activation in Cultured Human Vascular Endothelial EA.hy926 Cells. Int J Mol Sci 2021; 22:ijms22020739. [PMID: 33451022 PMCID: PMC7828481 DOI: 10.3390/ijms22020739] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/05/2021] [Accepted: 01/09/2021] [Indexed: 11/18/2022] Open
Abstract
Chronic arsenic exposure is known to be related to the progression of atherosclerosis. However, the pathogenic mechanisms of arsenic-induced atherosclerosis have not been fully elucidated. Because disruption of the blood coagulation/fibrinolytic system is involved in the development of arteriosclerosis, we investigated the effect of arsenite on fibrinolytic activity in human vascular endothelial EA.hy926 cells in the present study. Fibrinolysis depends on the balance between tissue-type plasminogen activator (t-PA) and plasminogen activator inhibitor 1 (PAI-1) secreted from vascular endothelial cells. We found that arsenite reduced fibrinolytic t-PA activity by inhibiting its synthesis without affecting PAI-1 production. The inhibitory effect of arsenite on t-PA expression was partially recovered by the reactive oxygen species (ROS) scavenger Trolox. The nuclear factor erythroid 2 related factor 2 (NRF2) pathway is known to be activated by arsenite via ROS production. We confirmed that arsenite activated the NRF2 pathway, and arsenite-induced inhibition of fibrinolytic t-PA activity was abrogated in NRF2-knockdown EA.hy926 cells. These results suggest that arsenite inhibits the fibrinolytic activity of t-PA by selectively suppressing its synthesis via activation of the NRF2 pathway in vascular endothelial cells.
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Moon KA, Navas-Acien A, Grau-Pérez M, Francesconi KA, Goessler W, Guallar E, Umans JG, Best LG, Newman JD. Low-moderate urine arsenic and biomarkers of thrombosis and inflammation in the Strong Heart Study. PLoS One 2017; 12:e0182435. [PMID: 28771557 PMCID: PMC5542675 DOI: 10.1371/journal.pone.0182435] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2017] [Accepted: 07/18/2017] [Indexed: 12/30/2022] Open
Abstract
The underlying pathology of arsenic-related cardiovascular disease (CVD) is unknown. Few studies have evaluated pathways through thrombosis and inflammation for arsenic-related CVD, especially at low-moderate arsenic exposure levels (<100 μg/L in drinking water). We evaluated the association of chronic low-moderate arsenic exposure, measured as the sum of inorganic and methylated arsenic species in urine (ΣAs), with plasma biomarkers of thrombosis and inflammation in American Indian adults (45-74 years) in the Strong Heart Study. We evaluated the cross-sectional and longitudinal associations between baseline ΣAs with fibrinogen at three visits (baseline, 1989-91; Visit 2, 1993-95, Visit 3, 1998-99) using mixed models and the associations between baseline ΣAs and Visit 2 plasminogen activator inhibitor-1 (PAI-1) and high sensitivity C-reactive protein (hsCRP) using linear regression. Median (interquartile range) concentrations of baseline ΣAs and fibrinogen, and Visit 2 hsCRP and PAI-1 were 8.4 (5.1, 14.3) μg/g creatinine, 346 (304, 393) mg/dL, 44 (30, 67) mg/L, and 3.8 (2.0, 7.0) ng/mL, respectively. Comparing the difference between the 75th and the 25th percentile of ΣAs (14.3 vs. 5.1 μg/g creatinine), ΣAs was positively associated with baseline fibrinogen among those with diabetes (adjusted geometric mean ratio (GMR): 1.05, 95% CI: 1.02, 1.07) not associated among those without diabetes (GMR: 1.01, 95% CI: 0.99, 1.02) (p-interaction for diabetes = 0.014), inversely associated with PAI-1 (GMR: 0.94, 95% CI: 0.90, 0.99), and not associated with hsCRP (GMR: 1.00, 95% CI: 0.93, 1.08). We found no evidence for an association between baseline ΣAs and annual change in fibrinogen over follow-up (p-interaction = 0.28 and 0.12 for diabetes and non-diabetes, respectively). Low-moderate arsenic exposure was positively associated with baseline fibrinogen in participants with diabetes and unexpectedly inversely associated with PAI-1. Further research should evaluate the role of prothrombotic factors in arsenic-related cardiovascular disease.
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Affiliation(s)
- Katherine A Moon
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States of America
| | - Ana Navas-Acien
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States of America.,Department of Environmental Health Sciences, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States of America
| | - Maria Grau-Pérez
- Department of Environmental Health Sciences, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States of America
| | - Kevin A Francesconi
- Institute of Chemistry-Analytical Chemistry, University of Graz, Graz, Austria
| | - Walter Goessler
- Institute of Chemistry-Analytical Chemistry, University of Graz, Graz, Austria
| | - Eliseo Guallar
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States of America
| | - Jason G Umans
- MedStar Health Research Institute, Hyattsville, MD, United States of America
| | - Lyle G Best
- Missouri Breaks Industries Research, Timber Lake, SD, United States of America
| | - Jonathan D Newman
- New York University School of Medicine, New York, NY, United States of America
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Wu F, Jasmine F, Kibriya MG, Liu M, Wójcik O, Parvez F, Rahaman R, Roy S, Paul-Brutus R, Segers S, Slavkovich V, Islam T, Levy D, Mey JL, van Geen A, Graziano JH, Ahsan H, Chen Y. Association between arsenic exposure from drinking water and plasma levels of cardiovascular markers. Am J Epidemiol 2012; 175:1252-61. [PMID: 22534204 PMCID: PMC3372314 DOI: 10.1093/aje/kwr464] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2011] [Accepted: 11/14/2011] [Indexed: 01/20/2023] Open
Abstract
The authors conducted a cross-sectional study to assess the relation between arsenic exposure from drinking water and plasma levels of markers of systemic inflammation and endothelial dysfunction (matrix metalloproteinase-9, myeloperoxidase, plasminogen activator inhibitor-1, soluble E-selectin, soluble intercellular adhesion molecule-1 (ICAM-1), and soluble vascular adhesion molecule-1 (VCAM-1)) using baseline data from 668 participants (age, >30 years) in the Health Effects of Arsenic Longitudinal Study in Bangladesh (2007-2008). Both well water arsenic and urinary arsenic were positively associated with plasma levels of soluble VCAM-1. For every 1-unit increase in log-transformed well water arsenic (ln μg/L) and urinary arsenic (ln μg/g creatinine), plasma soluble VCAM-1 was 1.02 (95% confidence interval: 1.01, 1.03) and 1.04 (95% confidence interval: 1.01, 1.07) times greater, respectively. There was a significant interaction between arsenic exposure and higher body mass index, such that the increased levels of plasminogen activator inhibitor-1 and soluble VCAM-1 associated with arsenic exposure were stronger among people with higher body mass index. The findings indicate an effect of chronic arsenic exposure from drinking water on vascular inflammation and endothelial dysfunction that could be modified by body mass index and also suggest a potential mechanism underlying the association between arsenic exposure and cardiovascular disease.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Yu Chen
- Correspondence to Dr. Yu Chen, Departments of Environmental Medicine and Medicine, New York University School of Medicine, 650 First Avenue, Room 510, New York, NY 10016 (e-mail: )
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Kaur J, Reddy K, Balakumar P. The Novel Role of Fenofibrate in Preventing Nicotine- and Sodium Arsenite-Induced Vascular Endothelial Dysfunction in the Rat. Cardiovasc Toxicol 2010; 10:227-38. [DOI: 10.1007/s12012-010-9086-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Bae ON, Lim KM, Noh JY, Chung SM, Kim H, Lee CR, Park JD, Chung JH. Arsenite-enhanced procoagulant activity through phosphatidylserine exposure in platelets. Chem Res Toxicol 2007; 20:1760-8. [PMID: 17915961 DOI: 10.1021/tx700159y] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Numerous epidemiological studies have reported the close relationship between arsenic in drinking water and cardiovascular disease (CVD), yet the exact mechanism underlying this relationship remains unclear. We investigated whether arsenic can affect the procoagulant activity of platelets, which are essential in blood clotting, thrombus formation, and progression of CVD. While arsenite alone did not induce procoagulant activity, it significantly enhanced thrombin-induced procoagulant activity of human platelets in a concentration- and time-dependent manner. In flow cytometric analysis, arsenite potentiated phosphatidylserine (PS) exposure and microparticle (MP) formation, the major mediators of procoagulant activity. Arsenite-enhanced calcium increase and subsequent calpain activation were found to be involved in these effects, as determined by confocal microscopy and gel electrophoresis. Arsenite also inhibited flippase, an enzyme that restores PS to the inner leaflet, suggesting that PS could be retained in outer membranes after exposure. Consistent with these in vitro results, ex vivo studies revealed that PS exposure in platelets was significantly increased after acute or chronic arsenic exposure in rats. Most notably, in a rodent in vivo venous thrombosis model, arsenite indeed led to increased thrombus formation. In conclusion, arsenite-enhanced procoagulant activity in platelets by PS exposure and MP generation ultimately results in accelerated thrombus formation in vivo, suggesting that this enhanced activity is a possible contributing factor in CVD associated with chronic exposure to arsenic through drinking water.
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Affiliation(s)
- Ok-Nam Bae
- College of Pharmacy, Seoul National University, Korea
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Soucy NV, Mayka D, Klei LR, Nemec AA, Bauer JA, Barchowsky A. Neovascularization and angiogenic gene expression following chronic arsenic exposure in mice. Cardiovasc Toxicol 2006; 5:29-41. [PMID: 15738583 PMCID: PMC4286873 DOI: 10.1385/ct:5:1:029] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2004] [Revised: 08/03/2004] [Accepted: 08/08/2004] [Indexed: 11/11/2022]
Abstract
Exposure to arsenic in drinking water increases incidence of cardiovascular diseases. However, the basic mechanisms and genetic changes that promote these diseases are unknown. This study investigated the effects of chronic arsenic exposure on vessel growth and expression of angiogenic and tissue remodeling genes in cardiac tissues. Male mice were exposed to low to moderately high levels of arsenite (AsIII) for 5, 10, or 20 wk in their drinking water. Vessel growth in Matrigel implants was tested during the last 2 wk of each exposure period. Implant vascularization increased in mice exposed to 5-500 ppb AsIII for 5 wk. Similar increases were seen following exposure to 50-250 ppb of AsIII over 20 wk, but the response to 500 ppb decreased with time. RT-PCR analysis of cardiac mRNA revealed differential expression of angiogenic or tissue remodeling genes, such as vascular endothelial cell growth factor (VEGF), VEGF receptors, plasminogen activator inhibitor-1, endothelin-1, and matrix metalloproteinase-9, which varied with time or amount of exposure. VEGF receptor mRNA and cardiac microvessel density were reduced by exposure to 500 ppb AsIII for 20 wk. These data demonstrate differential concentration and time-dependent effects of chronic arsenic exposure on cardiovascular phenotype and vascular remodeling that may explain the etiology for AsIII-induced disease.
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Affiliation(s)
- Nicole V. Soucy
- Department of Pharmacology and Toxicology, Dartmouth Medical School, Hanover, NH
| | - Debra Mayka
- Department of Pharmacology and Toxicology, Dartmouth Medical School, Hanover, NH
| | - Linda R. Klei
- Department of Pharmacology and Toxicology, Dartmouth Medical School, Hanover, NH
- University of Pittsburgh Graduate School of Public Health, Department of Environmental and Occupational Health, Pittsburgh, PA
| | - Antonia A. Nemec
- University of Pittsburgh Graduate School of Public Health, Department of Environmental and Occupational Health, Pittsburgh, PA
| | | | - Aaron Barchowsky
- Department of Pharmacology and Toxicology, Dartmouth Medical School, Hanover, NH
- University of Pittsburgh Graduate School of Public Health, Department of Environmental and Occupational Health, Pittsburgh, PA
- Author to whom all correspondence and reprint requests should be addressed: Aaron Barchowsky, PhD, Department of Environmental and Occupational Health, Graduate School of Public Health, University of Pittsburgh, 3343 Forbes, Room 205, Pittsburgh, PA 15260.
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Jiang SJ, Lin TM, Wu HL, Han HS, Shi GY. Decrease of fibrinolytic activity in human endothelial cells by arsenite. Thromb Res 2002; 105:55-62. [PMID: 11864708 DOI: 10.1016/s0049-3848(01)00397-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Blackfoot disease (BFD) is an endemic peripheral vascular occlusive disease that occurred in the southwest coast of Taiwan. It is believed that arsenic in the drinking water from artesian wells plays an important role in the development of the disease. We have previously shown that BFD patients had significant lower tissue-type plasminogen activator (t-PA) antigen level and higher plasminogen activator inhibitor, Type 1 (PAI-1) antigen level than normal controls. The purpose of this study was to investigate the effects of arsenite on the fibrinolytic and anticoagulant activities of cultured macrovascular and microvascular endothelial cells. Incubation of human microvascular endothelial cells (HMEC-1), but not human umbilical vein endothelial cells (HUVECs), with arsenite caused a decrease of t-PA mRNA level, a rise of both PAI-1 mRNA level and PAI activity. Arsenite could also inhibit the thrombomodulin (TM) mRNA expression and reduce the TM antigen level in HMEC-1. In conclusion, arsenite had a greater effect on HMEC-1 as compared to HUVECs in lowering the fibrinolytic activity and may be responsible for the reduced capacity of fibrinolysis associated with BFD.
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Affiliation(s)
- Shinn-Jong Jiang
- Department of Biochemistry, College of Medicine, National Cheng Kung University, Tainan 701, Taiwan
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Barchowsky A, Roussel RR, Klei LR, James PE, Ganju N, Smith KR, Dudek EJ. Low levels of arsenic trioxide stimulate proliferative signals in primary vascular cells without activating stress effector pathways. Toxicol Appl Pharmacol 1999; 159:65-75. [PMID: 10448126 DOI: 10.1006/taap.1999.8723] [Citation(s) in RCA: 137] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Chronic human exposure to low levels of inorganic arsenic increases the incidence of vascular diseases and specific cancers. Exposure of endothelial cells to environmentally relevant concentrations of arsenic trioxide (arsenite) induces oxidant formation, activates the transcription factor NF-kappaB, and increases DNA synthesis (Barchowsky et al., Free Radic. Biol. Med. 21, 783-790, 1996). We show, in the current study, that arsenite induces concentration-dependent cell proliferation or death in primary porcine aortic endothelial cells. Low concentrations caused cell proliferation and were associated with increased superoxide and H(2)O(2) accumulation, cSrc activity, H(2)O(2)-dependent tyrosine phosphorylation, and NF-kappaB-dependent transcription. These concentrations were insufficient to activate MAP kinases. However, the MAP kinases, extracellular signal-regulated kinase and p38, were activated in response to levels of arsenite that caused cell death. These data suggest that arsenite-induced oxidant accumulation and subsequent activation of tyrosine phosphorylation represent a MAPK-independent pathway for phenotypic change and proliferation in vascular cells.
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Affiliation(s)
- A Barchowsky
- Department of Pharmacology and Toxicology, Dartmouth College and Medical School, Hanover, New Hampshire, 03755, USA
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Roller RE, Janisch S, Carroll V, Kvas E, Pilger E, Binder BR, Wojta J. Changes in the fibrinolytic system in patients with peripheral arterial occlusive disease undergoing percutaneous transluminal angioplasty. Thromb Res 1999; 94:241-7. [PMID: 10336240 DOI: 10.1016/s0049-3848(99)00002-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
We have investigated fibrinolytic parameters in 33 patients with peripheral arterial occlusive disease (PAOD) before and 6, 24, and 48 hours after percutaneous transluminal angioplasty (PTA) as well as in 35 gender-matched healthy controls, whose mean age was not significantly different from the mean age of the patients. PAOD patients had significantly higher plasma levels of t-PA antigen (12.0+/-4.9 vs. 9.2+/-5.5 ng/ml), PAI-1 antigen (34.8+/-22.1 vs. 27.2+/-23.6 ng/ml), PAI-1 activity (10.0+/-6.5 vs. 8.0+/-8.0 U/ml), PCI (188.2+/-55.6 vs. 134.1+/-75.5% as compared with normal human plasma), and fibrinogen (420.2+/-92.6 vs. 261.9+/-32.7 mg/dl) as compared with controls. After angioplasty, fibrinolytic parameters and fibrinogen levels increased, reaching higher than preintervention levels 24 and 48 hours after the intervention. Six months after initially successful PTA, restenosis was demonstrated in 14 out of 33 patients (42%). Patients with late restenosis had significantly higher levels of PAI-1 activity 24 and 48 hours after PTA, as compared with patients with late patency (24 hours: 16.1+/-8.0 vs. 10.0+/-7.4; 48 hours: 16.5+/-7.9 vs. 12.0+/-7.0; p<0.05 for both time points). The results suggest that impaired fibrinolysis early after PTA might be a cause or marker of a disturbed repair process of vascular injury, leading to restenosis.
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Affiliation(s)
- R E Roller
- Department of Vascular Biology and Thrombosis Research, University of Vienna, Austria
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Wright SD, Tuddenham EG. Myeloproliferative and metabolic causes. BAILLIERE'S CLINICAL HAEMATOLOGY 1994; 7:591-635. [PMID: 7841603 DOI: 10.1016/s0950-3536(05)80101-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- S D Wright
- Department of Haematology, St. Mary's Hospital, London, UK
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