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Petsophonsakul P, Burgmaier M, Willems B, Heeneman S, Stadler N, Gremse F, Reith S, Burgmaier K, Kahles F, Marx N, Natour E, Bidar E, Jacobs M, Mees B, Reutelingsperger C, Furmanik M, Schurgers L. Nicotine promotes vascular calcification via intracellular Ca2+-mediated, Nox5-induced oxidative stress and extracellular vesicle release in vascular smooth muscle cells. Cardiovasc Res 2021; 118:2196-2210. [PMID: 34273166 PMCID: PMC9302892 DOI: 10.1093/cvr/cvab244] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Accepted: 07/15/2021] [Indexed: 01/10/2023] Open
Abstract
Aims Smokers are at increased risk of cardiovascular events. However, the exact mechanisms through which smoking influences cardiovascular disease resulting in accelerated atherosclerosis and vascular calcification are unknown. The aim of this study was to investigate effects of nicotine on initiation of vascular smooth muscle cell (VSMC) calcification and to elucidate underlying mechanisms. Methods and results We assessed vascular calcification of 62 carotid lesions of both smoking and non-smoking patients using ex vivo micro-computed tomography (µCT) scanning. Calcification was present more often in carotid plaques of smokers (n = 22 of 30, 73.3%) compared to non-smokers (n = 11 of 32, 34.3%; P < 0.001), confirming higher atherosclerotic burden. The difference was particularly profound for microcalcifications, which was 17-fold higher in smokers compared to non-smokers. In vitro, nicotine-induced human primary VSMC calcification, and increased osteogenic gene expression (Runx2, Osx, BSP, and OPN) and extracellular vesicle (EV) secretion. The pro-calcifying effects of nicotine were mediated by Ca2+-dependent Nox5. SiRNA knock-down of Nox5 inhibited nicotine-induced EV release and calcification. Moreover, pre-treatment of hVSMCs with vitamin K2 ameliorated nicotine-induced intracellular oxidative stress, EV secretion, and calcification. Using nicotinic acetylcholine receptor (nAChR) blockers α-bungarotoxin and hexamethonium bromide, we found that the effects of nicotine on intracellular Ca2+ and oxidative stress were mediated by α7 and α3 nAChR. Finally, we showed that Nox5 expression was higher in carotid arteries of smokers and correlated with calcification levels in these vessels. Conclusion In this study, we provide evidence that nicotine induces Nox5-mediated pro-calcific processes as novel mechanism of increased atherosclerotic calcification. We identified that activation of α7 and α3 nAChR by nicotine increases intracellular Ca2+ and initiates calcification of hVSMCs through increased Nox5 activity, leading to oxidative stress-mediated EV release. Identifying the role of Nox5-induced oxidative stress opens novel avenues for diagnosis and treatment of smoking-induced cardiovascular disease.
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Affiliation(s)
- Ploingarm Petsophonsakul
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, The Netherlands
| | - Mathias Burgmaier
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, The Netherlands.,Department of Cardiology, Medical Clinic I, University Hospital of the RWTH Aachen, Germany
| | - Brecht Willems
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, The Netherlands
| | - Sylvia Heeneman
- Department of Pathology, Cardiovascular Research Institute Maastricht, Maastricht University, The Netherlands
| | - Nadina Stadler
- Department of Pathology, Cardiovascular Research Institute Maastricht, Maastricht University, The Netherlands
| | - Felix Gremse
- Experimental Molecular Imaging, University Hospital of the RWTH Aachen, Germany
| | - Sebastian Reith
- Department of Cardiology, St. Franziskus Hospital Münster, Münster, Germany
| | - Kathrin Burgmaier
- Department of Pediatrics, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne Germany
| | - Florian Kahles
- Department of Cardiology, Medical Clinic I, University Hospital of the RWTH Aachen, Germany
| | - Nikolaus Marx
- Department of Cardiology, Medical Clinic I, University Hospital of the RWTH Aachen, Germany
| | - Ehsan Natour
- Department of Cardiovascular Surgery, Maastricht University Medical Center (MUMC), Maastricht, the Netherlands.,European Vascular Center Aachen-Maastricht, Maastricht, the Netherlands
| | - Elham Bidar
- Department of Cardiovascular Surgery, Maastricht University Medical Center (MUMC), Maastricht, the Netherlands.,European Vascular Center Aachen-Maastricht, Maastricht, the Netherlands
| | - Michael Jacobs
- European Vascular Center Aachen-Maastricht, Maastricht, the Netherlands.,Department of Vascular Surgery, Maastricht University Medical Center (MUMC), Maastricht, the Netherlands
| | - Barend Mees
- European Vascular Center Aachen-Maastricht, Maastricht, the Netherlands.,Department of Vascular Surgery, Maastricht University Medical Center (MUMC), Maastricht, the Netherlands
| | - Chris Reutelingsperger
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, The Netherlands
| | - Malgorzata Furmanik
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, The Netherlands
| | - Leon Schurgers
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, The Netherlands.,Institute of Experimental Medicine and Systems Biology, RWTH Aachen University, Aachen, Germany
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Chen Z, Zhou Y, Yang T. Histopathological assessment of radial artery calcification in patients with end-stage kidney disease. Ren Fail 2021; 43:362-370. [PMID: 33685341 PMCID: PMC7946001 DOI: 10.1080/0886022x.2021.1889600] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
Background A comprehensive understanding of vascular calcification pathology is significant for the development of cardiovascular disease therapy in high-risk populations. This cross-sectional study aimed to evaluate the prevalence and characteristics of radial artery calcification (RAC) and to identify the factors that are associated with RAC in end-stage kidney disease (ESKD). Methods Detailed medical histories of 180 patients with ESKD were recorded. Fragments of the radial artery obtained during the creation of arteriovenous fistula for hemodialysis access were stained with alizarin red S. Results Calcification was localized in the arterial media layer. The prevalence of positive calcification staining in the radial arteries was 21.1% (n = 38). Patients with RAC had a higher glycated hemoglobin level (p < 0.01), higher prevalence of dialysis duration >5 years (p = 0.022), and diabetes mellitus (p < 0.01) than those without RAC. Multiple logistic regression models showed dialysis duration >5 years (odds ratio [OR], 9.864; 95% confidence interval [CI], 2.666–36.502; p < 0.01) and diabetes mellitus (OR, 12.689; 95% CI, 2.796–34.597; p < 0.01) were independent risk factors for RAC in patients with ESKD. Patients with dialysis duration >5 years had a higher prevalence of RAC (p = 0.012) than those with dialysis duration ≤5 years. Patients with diabetes mellitus had a higher prevalence of RAC (p < 0.01) than those without diabetes mellitus. Patients with diabetes mellitus ≥15 years had a higher prevalence of RAC (p = 0.042) than those with diabetes mellitus <15 years. Radial artery calcification level showed a significantly positive correlation with dialysis duration (p < 0.05), diabetes mellitus duration (p < 0.01), HbA1c level (p < 0.01) and Calcium level (p < 0.01). Conclusions In patients with ESKD, dialysis duration >5 years and diabetes predict RAC. Thus, the combination of prolonged dialysis and hyperglycemic conditions exerts a synergistic effect on RAC.
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Affiliation(s)
- Zhenwei Chen
- Department of Nephrology, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, Guangdong, PR China
| | - Youjian Zhou
- Department of Pathology, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, Guangdong, PR China
| | - Tiecheng Yang
- Department of Nephrology, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, Guangdong, PR China
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Lee JY, Kim YO. Pre-existing arterial pathologic changes affecting arteriovenous fistula patency and cardiovascular mortality in hemodialysis patients. Korean J Intern Med 2017; 32:790-797. [PMID: 28823140 PMCID: PMC5583462 DOI: 10.3904/kjim.2017.268] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Accepted: 08/06/2017] [Indexed: 01/07/2023] Open
Abstract
The radiocephalic arteriovenous fistula (AVF) provides optimal vascular access for hemodialysis; it has a higher long-term patency rate and fewer complications than other vascular access methods. However, the AVF has a high primary failure rate. The presence of small-diameter vessels at anastomosis sites is an important risk factor for AVF failure. However, in a recent study, despite selecting an adequate artery and vein for creating an AVF by routine preoperative vascular mapping, AVF maturation and primary failure occurred. Thus, pre-existing arteriosclerosis at AVF anastomosis sites likely contributes to AVF failure. In this review, we discuss the relationship between pathologic changes and AVF patency in hemodialysis patients. Because arteriosclerosis of the major arteries such as the coronary and carotid arteries is associated with cardiovascular mortality, we also review the impact of arteriosclerosis of upper arm arteries at AVF anastomosis sites on cardiovascular mortality in hemodialysis patients.
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Affiliation(s)
| | - Young Ok Kim
- Correspondence to Young Ok Kim, M.D. Department of Internal Medicine, College of Medicine, Uijeongbu St. Mary’s Hospital, The Catholic University of Korea, 271 Cheonbo-ro, Uijeongbu 11765, Korea Tel: +82-31-820-3347 Fax: +82-31-820-2719 E-mail:
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Vazquez-Padron RI, Allon M. New Insights into Dialysis Vascular Access: Impact of Preexisting Arterial and Venous Pathology on AVF and AVG Outcomes. Clin J Am Soc Nephrol 2016; 11:1495-1503. [PMID: 27401525 PMCID: PMC4974874 DOI: 10.2215/cjn.01860216] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Despite significant improvements in preoperative patient evaluation and surgical planning, vascular access failure in patients on hemodialysis remains a frequent and often unforeseeable complication. Our inability to prevent this complication is, in part, because of an incomplete understanding of how preexisting venous and arterial conditions influence the function of newly created arteriovenous fistulas and grafts. This article reviews the relationship between three preexisting vascular pathologies associated with CKD (intimal hyperplasia, vascular calcification, and medial fibrosis) and hemodialysis access outcomes. The published literature indicates that the pathogenesis of vascular access failure is multifactorial and not determined by any of these pathologies individually. Keeping this observation in mind should help focus our research on the true causes responsible for vascular access failure and the much needed therapies to prevent it.
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Affiliation(s)
- Roberto I. Vazquez-Padron
- DeWitt Daughtry Family Department of Surgery, Leonard M. Miller School of Medicine, University of Miami, Miami, Florida; and
| | - Michael Allon
- Division of Nephrology, University of Alabama at Birmingham, Birmingham, Alabama
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Choi SJ, Yoon HE, Kim YS, Yoon SA, Yang CW, Kim YS, Park SC, Kim YO. Pre-existing Arterial Micro-Calcification Predicts Primary Unassisted Arteriovenous Fistula Failure in Incident Hemodialysis Patients. Semin Dial 2015; 28:665-9. [DOI: 10.1111/sdi.12365] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Su Jin Choi
- Department of Internal Medicine; College of Medicine; The Catholic University of Korea; Seoul Korea
| | - Hye Eun Yoon
- Department of Internal Medicine; College of Medicine; The Catholic University of Korea; Seoul Korea
| | - Young Soo Kim
- Department of Internal Medicine; College of Medicine; The Catholic University of Korea; Seoul Korea
| | - Sun Ae Yoon
- Department of Internal Medicine; College of Medicine; The Catholic University of Korea; Seoul Korea
| | - Chul Woo Yang
- Department of Internal Medicine; College of Medicine; The Catholic University of Korea; Seoul Korea
| | - Yong-Soo Kim
- Department of Internal Medicine; College of Medicine; The Catholic University of Korea; Seoul Korea
| | - Sun Cheol Park
- Department of Surgery; College of Medicine; The Catholic University of Korea; Seoul Korea
| | - Young Ok Kim
- Department of Internal Medicine; College of Medicine; The Catholic University of Korea; Seoul Korea
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Lazich I, Chang A, Watson S, Dhar P, Madhurapantula RS, Hammes M. Morphometric and histological parameters in veins of diabetic patients undergoing brachiocephalic fistula placement. Hemodial Int 2015; 19:490-8. [PMID: 25731584 DOI: 10.1111/hdi.12289] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Diabetic patients with end-stage renal failure have higher rates of arteriovenous failures when compared with nondiabetics. The aim was to compare differences in indicators of vascular remodeling and endothelial dysfunction in veins of patients with or without diabetes at the time of surgical placement. In this prospective observational trial, vein samples were collected from patients when a brachiocephalic fistula was created. Morphometric measurements and extent of fibrosis were determined using Image J software. Histological analysis, for the presence of myofibroblasts and level of endothelial nitric oxide synthase, was performed by immunohistochemical staining and scored in semi-quantitative manner. Asymmetric dimethylarginine was determined at the time of access placement. Comparison of diabetics and nondiabetics was performed using Wilcoxon rank sum and Fisher's exact tests. Eighteen patients were included; 10 were diabetics. There was a significant difference in the measurement of vein area between groups, with diabetic vein samples having larger luminal area of average 832,001.18 μm(2) (317,582.17-3,695,670.36, P = 0.04). The maximal intimal to medial thickness ratio was higher in diabetic vein samples (0.71 vs. 0.24, P = 0.03) along with statistically significant higher maximal intimal thickness (312.12 vs. 115.14 μm, P = 0.03). There is a significant difference in vascular wall remodeling between diabetics and nondiabetics at the level of the cephalic vein at the time of brachiocephalic placement. The unexpected finding of significantly larger luminal area in diabetic veins could be a major factor positively affecting brachiocephalic outcomes in otherwise impaired remodeling in this patient population.
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Affiliation(s)
- Ivana Lazich
- Department of Medicine, Section of Nephrology, University of Chicago, Chicago, Illinois, USA
| | - Anthony Chang
- Department of Pathology, University of Chicago, Chicago, Illinois, USA
| | - Sydeaka Watson
- Department of Health Studies, Biostatistics Laboratory, University of Chicago, Chicago, Illinois, USA
| | - Promila Dhar
- Department of Biomedical Engineering, Illinois Institute of Technology, Chicago, Illinois, USA
| | - Rama S Madhurapantula
- Department of Biological and Chemical Sciences, Illinois Institute of Technology, Chicago, Illinois, USA
| | - Mary Hammes
- Department of Medicine, Section of Nephrology, University of Chicago, Chicago, Illinois, USA
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Georgiadis GS, Argyriou C, Antoniou GA, Kantartzi K, Kriki P, Theodoridis M, Thodis E, Lazarides MK. Upper limb vascular calcification score as a predictor of mortality in diabetic hemodialysis patients. J Vasc Surg 2015; 61:1529-37. [PMID: 25724616 DOI: 10.1016/j.jvs.2015.01.026] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2014] [Accepted: 01/13/2015] [Indexed: 10/23/2022]
Abstract
OBJECTIVE This study evaluated the correlation between an upper limb vascular calcification (Vc) score (VcS) and late all-cause mortality in diabetic hemodialysis patients with distal upper limb arteries medial wall sclerosis (Mönckeberg disease). METHODS We retrospectively reviewed Vc in bilateral upper limb plain radiographs and in duplex ultrasound images performed before radial-cephalic fistula (RCF) creation in diabetic hemodialysis patients. Only medial linear calcifications outlining the vessel wall were considered positive on X-ray images, whereas for ultrasound reviews, only continuous highly echogenic plaques producing bright white echos with shadowing were considered to be medial calcification. A VcS was then applied in each patient. Every half of each of the three main arterial conduits (brachial, radial, and ulnar arteries) in each arm was counted as 1 if it contained ≥ 6 cm of linear calcification, whereas absence of calcification or minimum calcification (length <6 cm) was counted as 0. Long-term all-cause mortality was compared between patients with a low or moderate VcS <8 (group I), patients with a high VcS ≥ 8 (group II), and patients with VcS = 0 (control group). Kaplan-Meier statistics were used for comparisons among the groups. RESULTS Nineteen patients had a VcS <8, 21 had VcS ≥ 8, and 43 patients had VcS = 0. The study patients had a mean age of 68 ± 10 years (range, 42-83 years; P = .23). Before early conversion to a RCF, dialysis therapy in 59 (71.1%) had already been initiated through central venous catheters (CVCs). The mean follow-up for groups I, II, and controls was 41.4 ± 41.2 months (range, 4-144 months), 34.15 ± 31.3 months (range, 1-108 months), and 66.7 ± 32.5 months (range, 12-126 months), respectively (P = .0009). Forty-seven patients died during the follow-up period (12 in group II and 24 in the controls; P = .88). Survival rates at 12, 24, 36, and 48 months were 78.3%, 65.7%, 54.8%, and 48.1% for group I; 75.2%, 58.8%, 49.3%, and 42% for group II; and 97.7%, 93.1%, 76.8%, and 71.8% for the control group, respectively (P = .013 for all groups; P = .044 for group II vs controls). Patients with (subgroups) or without CVCs at baseline had similar late mortality rates. Patients with CVCs/Vc had lower survival rates than those with CVCs/no Vc at 1 year (73.3% vs 96.5%) and at 3 years (47.7% vs 75.8%; P = .038). CVCs were related to increased risk of death only in subgroup II patients compared with the subcontrol group patients (75.4% vs 37.9% at 5 years, respectively; P = .034). CONCLUSIONS Diabetic hemodialysis patients exposed to high levels of upper extremity arterial medial VcSs upon receiving RCFs have an increased long-term mortality risk compared with diabetic hemodialysis patients with no Vc and receiving the same access. Patients with CVCs/Vc had the lowest survival rates.
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Affiliation(s)
- George S Georgiadis
- Department of Vascular Surgery, "Democritus" University of Thrace, University General Hospital of Alexandroupolis, Alexandroupolis, Greece.
| | - Christos Argyriou
- Department of Vascular Surgery, "Democritus" University of Thrace, University General Hospital of Alexandroupolis, Alexandroupolis, Greece
| | - George A Antoniou
- Department of Vascular Surgery, "Democritus" University of Thrace, University General Hospital of Alexandroupolis, Alexandroupolis, Greece
| | - Konstandia Kantartzi
- Department of Nephrology, "Democritus" University of Thrace, University General Hospital of Alexandroupolis, Alexandroupolis, Greece
| | - Pelagia Kriki
- Department of Nephrology, "Democritus" University of Thrace, University General Hospital of Alexandroupolis, Alexandroupolis, Greece
| | - Marios Theodoridis
- Department of Nephrology, "Democritus" University of Thrace, University General Hospital of Alexandroupolis, Alexandroupolis, Greece
| | - Elias Thodis
- Department of Nephrology, "Democritus" University of Thrace, University General Hospital of Alexandroupolis, Alexandroupolis, Greece
| | - Miltos K Lazarides
- Department of Nephrology, "Democritus" University of Thrace, University General Hospital of Alexandroupolis, Alexandroupolis, Greece
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Ndip A, Wilkinson FL, Jude EB, Boulton AJM, Alexander MY. RANKL-OPG and RAGE modulation in vascular calcification and diabetes: novel targets for therapy. Diabetologia 2014; 57:2251-60. [PMID: 25112376 DOI: 10.1007/s00125-014-3348-z] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2014] [Accepted: 07/17/2014] [Indexed: 12/18/2022]
Abstract
Type 2 diabetes is associated with increased cardiovascular morbidity and mortality and early vascular ageing. This takes the form of atherosclerosis, with progressive vascular calcification being a major complication in the pathogenesis of this disease. Current research and drug targets in diabetes have hitherto focused on atherosclerosis, but vascular calcification is now recognised as an independent predictor of cardiovascular morbidity and mortality. An emerging regulatory pathway for vascular calcification in diabetes involves the receptor activator for nuclear factor κB (RANK), RANK ligand (RANKL) and osteoprotegerin (OPG). Important novel biomarkers of calcification are related to levels of glycation and inflammation in diabetes. Several therapeutic strategies could have advantageous effects on the vasculature in patients with diabetes, including targeting the RANKL and receptor for AGE (RAGE) signalling pathways, since there has been little success-at least in macrovascular outcomes-with conventional glucose-lowering therapy. There is substantial and relevant clinical and basic science evidence to suggest that modulating RANKL-RANK-OPG signalling, RAGE signalling and the associated proinflammatory milieu alters the natural course of cardiovascular complications and outcomes in people with diabetes. However, further research is critically needed to understand the precise mechanisms underpinning these pathways, in order to translate the anti-calcification strategies into patient benefit.
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Affiliation(s)
- Agbor Ndip
- Department of Medicine and Diabetes, Manchester Royal Infirmary, Manchester, UK,
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