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MiR-137 regulates low-intensity shear stress-induced human aortic endothelial cell apoptosis via JNK/AP-1 signaling. J Physiol Biochem 2021; 77:451-460. [PMID: 33893994 DOI: 10.1007/s13105-021-00812-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 03/30/2021] [Indexed: 10/21/2022]
Abstract
The objective of this study is to evaluate the role of miR-137 in low-intensity shear stress-induced endoplasmic reticulum (ER) stress and cell apoptosis in human aortic endothelial cells (HAECs). HAECs were transfected with miR-137 mimic, miR-137 inhibitor, or the corresponding negative control and then exposed to pulsatile shear stress in a parallel-plate flow chamber at 1, 2, 5, 10, and 15 dyn/cm2 for 3 h. Real-time polymerase chain reaction was used to detect mRNA expression of miR-137 and SDS22. A dual-luciferase reporter assay was employed to verify the direct interaction between miR-137 and SDS22. The internal morphology of cells and cell apoptosis was assessed by TUNEL staining observed under a transmission electron microscope. Meanwhile, the protein expression of oxidative stress-related, apoptosis-related, and activated c-Jun N-terminal kinase (JNK)/activator protein-1 (AP-1) signaling-related genes were analyzed by western blotting. Low strength shear stress (0-5 dyn/cm2) caused a negative change of HAEC surface and internal morphology in an intensity-dependent manner, and these changes were gradually weakened when shear stress was increased more than 5 dyn/cm2. Furthermore, low-intensity shear stress promoted oxidative stress response, accelerated cell apoptosis, and upregulated miR-137 expression and JNK/AP-1 signaling in HAECs. MiR-137 directly targets SDS22. Knockdown of miR-137 noticeably reduced activation of JNK/AP-1 signaling, oxidative stress response, and cell apoptosis induced by shear stress. MiR-137 regulated low-intensity shear stress-induced human aortic endothelial cell ER stress and cell apoptosis via JNK/AP-1 signaling.
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52
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Sánchez-Infantes D, Nus M, Navas-Madroñal M, Fité J, Pérez B, Barros-Membrilla AJ, Soto B, Martínez-González J, Camacho M, Rodriguez C, Mallat Z, Galán M. Oxidative Stress and Inflammatory Markers in Abdominal Aortic Aneurysm. Antioxidants (Basel) 2021; 10:602. [PMID: 33919749 PMCID: PMC8070751 DOI: 10.3390/antiox10040602] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 04/08/2021] [Accepted: 04/12/2021] [Indexed: 12/18/2022] Open
Abstract
Abdominal aortic aneurysm (AAA) is increasing due to aging of the population and is a major cause of death among the elderly. Ultrasound screening programs are useful in early diagnosis, but aneurysm size is not always a good predictor of rupture. Our aim was to analyze the value of circulating molecules related to oxidative stress and inflammation as new biomarkers to assist the management of AAA. The markers were quantified by ELISA, and their expression in the aneurysmal wall was studied by real-time PCR and by immunostaining. Correlation analysis of the studied markers with aneurysm diameter and peak wall stress (PWS), obtained by finite element analysis, and multivariate regression analysis to assess potential confounding factors were performed. Our study shows an extensive inflammatory infiltration in the aneurysmal wall, mainly composed by T-cells, macrophages and B-cells and altered levels of reactive oxygen species (ROS), IgM, IgG, CD38, GDF15, S100A4 and CD36 in plasma and in the aneurysmal tissue of AAA patients compared with controls. Circulating levels of IgG, CD38 and GDF15 positively correlated with abdominal aortic diameter, and CD38 was correlated with PWS. Our data show that altered levels of IgG, CD38 and GDF15 have potential diagnostic value in the assessment of AAA.
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Affiliation(s)
- David Sánchez-Infantes
- Department of Basic Sciences of Health, Area of Biochemistry and Molecular Biology, University Rey Juan Carlos, 28922 Alcorcón, Spain;
- Centro de Investigación Biomédica en Red-Fisiopatología de la Obesidad y Nutrición (CIBEROBN), ISCIII, 28029 Madrid, Spain
| | - Meritxell Nus
- Division of Cardiovascular Medicine, University of Cambridge, Cambridge CB2 0QQ, UK; (M.N.); (Z.M.)
- Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), ISCIII, 28029 Madrid, Spain; (J.M.-G.); (M.C.); (C.R.)
| | - Miquel Navas-Madroñal
- Institut de Recerca del Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain;
- Instituto de Investigación Biomédica Sant Pau (IB Sant Pau), 08025 Barcelona, Spain
| | - Joan Fité
- Servicio de Angiología, Cirugía Vascular y Endovascular, Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain; (J.F.); (B.S.)
| | - Belén Pérez
- Faculty of Medicine, Universidad Autónoma de Barcelona, Bellaterra, 08193 Barcelona, Spain;
| | - Antonio J. Barros-Membrilla
- Unidad Funcional de Patología de la Aorta (UPA), Servicio de Cardiología, Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain;
| | - Begoña Soto
- Servicio de Angiología, Cirugía Vascular y Endovascular, Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain; (J.F.); (B.S.)
| | - José Martínez-González
- Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), ISCIII, 28029 Madrid, Spain; (J.M.-G.); (M.C.); (C.R.)
- Instituto de Investigación Biomédica Sant Pau (IB Sant Pau), 08025 Barcelona, Spain
- Instituto de Investigaciones Biomédicas de Barcelona-Consejo Superior de Investigaciones Científicas (IIBB-CSIC), 08036 Barcelona, Spain
| | - Mercedes Camacho
- Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), ISCIII, 28029 Madrid, Spain; (J.M.-G.); (M.C.); (C.R.)
- Institut de Recerca del Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain;
- Instituto de Investigación Biomédica Sant Pau (IB Sant Pau), 08025 Barcelona, Spain
| | - Cristina Rodriguez
- Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), ISCIII, 28029 Madrid, Spain; (J.M.-G.); (M.C.); (C.R.)
- Institut de Recerca del Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain;
- Instituto de Investigación Biomédica Sant Pau (IB Sant Pau), 08025 Barcelona, Spain
| | - Ziad Mallat
- Division of Cardiovascular Medicine, University of Cambridge, Cambridge CB2 0QQ, UK; (M.N.); (Z.M.)
| | - María Galán
- Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), ISCIII, 28029 Madrid, Spain; (J.M.-G.); (M.C.); (C.R.)
- Institut de Recerca del Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain;
- Instituto de Investigación Biomédica Sant Pau (IB Sant Pau), 08025 Barcelona, Spain
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53
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Zhao G, Chang Z, Zhao Y, Guo Y, Lu H, Liang W, Rom O, Wang H, Sun J, Zhu T, Fan Y, Chang L, Yang B, Garcia-Barrio MT, Chen YE, Zhang J. KLF11 protects against abdominal aortic aneurysm through inhibition of endothelial cell dysfunction. JCI Insight 2021; 6:141673. [PMID: 33507881 PMCID: PMC8021107 DOI: 10.1172/jci.insight.141673] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 01/27/2021] [Indexed: 12/13/2022] Open
Abstract
Abdominal aortic aneurysm (AAA) is a life-threatening degenerative vascular disease. Endothelial cell (EC) dysfunction is implicated in AAA. Our group recently demonstrated that Krüppel-like factor 11 (KLF11) plays an essential role in maintaining vascular homeostasis, at least partially through inhibition of EC inflammatory activation. However, the functions of endothelial KLF11 in AAA remain unknown. Here we found that endothelial KLF11 expression was reduced in the ECs from human aneurysms and was time dependently decreased in the aneurysmal endothelium from both elastase- and Pcsk9/AngII-induced AAA mouse models. KLF11 deficiency in ECs markedly aggravated AAA formation, whereas EC-selective KLF11 overexpression markedly inhibited AAA formation. Mechanistically, KLF11 not only inhibited the EC inflammatory response but also diminished MMP9 expression and activity and reduced NADPH oxidase 2-mediated production of reactive oxygen species in ECs. In addition, KLF11-deficient ECs induced smooth muscle cell dedifferentiation and apoptosis. Overall, we established endothelial KLF11 as a potentially novel factor protecting against AAA and a potential target for intervention in aortic aneurysms.
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Affiliation(s)
- Guizhen Zhao
- Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, Michigan, USA
| | - Ziyi Chang
- Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, Michigan, USA
- Department of Pathology, China-Japan Friendship Hospital, Beijing, China
| | - Yang Zhao
- Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, Michigan, USA
| | - Yanhong Guo
- Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, Michigan, USA
| | - Haocheng Lu
- Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, Michigan, USA
| | - Wenying Liang
- Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, Michigan, USA
| | - Oren Rom
- Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, Michigan, USA
| | - Huilun Wang
- Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, Michigan, USA
| | - Jinjian Sun
- Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, Michigan, USA
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Tianqing Zhu
- Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, Michigan, USA
| | - Yanbo Fan
- Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, Michigan, USA
- Department of Cancer Biology, College of Medicine, University of Cincinnati, Cincinnati, Ohio. USA
| | - Lin Chang
- Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, Michigan, USA
| | - Bo Yang
- Department of Cardiac Surgery, University of Michigan Medical Center, Ann Arbor, Michigan, USA
| | - Minerva T. Garcia-Barrio
- Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, Michigan, USA
| | - Y. Eugene Chen
- Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, Michigan, USA
- Department of Cardiac Surgery, University of Michigan Medical Center, Ann Arbor, Michigan, USA
| | - Jifeng Zhang
- Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, Michigan, USA
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54
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Chen T, Zhang H, Zhang Y, Yang M, Wu J, Yang M, Lin J, Gao W, Tang L, Xu B, Jiang J, Chen X. Association of Circulating and Aortic Zinc and Copper Levels with Clinical Abdominal Aortic Aneurysm: a Meta-analysis. Biol Trace Elem Res 2021; 199:513-526. [PMID: 32557106 DOI: 10.1007/s12011-020-02187-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 05/06/2020] [Indexed: 01/26/2023]
Abstract
It remains obscure whether circulating aortic zinc (Zn) and copper (Cu) levels are associated with the progress of human abdominal aortic aneurysms (AAA). Therefore, we conducted a meta-analysis to explore this relationship. A literature search on circulating and aortic zinc and copper levels and AAA patients was conducted using online databases including PubMed, Embase, and Cochrane up to March 20, 2019. To compare Zn and Cu concentrations in AAA patients with those in aortic occlusive disease (AOD) patients or healthy aorta donors or healthy blood donors, pooled weighted mean difference (WMD) and its 95% confidence interval (CI) were calculated. Subgroup analysis, sensitivity analysis, and meta-regression analysis were applied to explain the heterogeneity and evaluate the robustness of combined results. A total of 10 cross-sectional studies, including 252 cases and 304 controls, were used for meta-analysis. We found that circulating zinc and Zn/Cu ratio in AAA patients were significantly lower [WMD (95%CI): - 2.23 (- 4.10, - 0.36); - 0.18 (- 0.31, - 0.05), respectively] than those in non-AAA patients. Similarly, aneurysmal aorta had significantly lower zinc levels and Zn/Cu ratio [WMD (95%CI): - 9.22 (- 15.37, - 3.07); - 6.46 (- 10.14, - 2.77), respectively] than those in control group. No difference in circulating or aortic copper levels was noted between AAA patients and control group [WMD (95%CI): - 0.24 (- 2.09, 1.61); 0.30 (- 0.01, 0.61) , respectively]. Our meta-analysis suggests that zinc levels and Zn-Cu ratio, but not copper levels, may influence aneurysmal progress of AAA.
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Affiliation(s)
- Tingting Chen
- Department of Cardiology, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, 317000, Zhejiang Province, China
- Laboratory of Cardiovascular Disease, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, 317000, Zhejiang Province, China
| | - Hongliang Zhang
- Department of Cardiology, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, 317000, Zhejiang Province, China
- Laboratory of Cardiovascular Disease, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, 317000, Zhejiang Province, China
| | - Yang Zhang
- Department of Cardiology, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, 317000, Zhejiang Province, China
- Laboratory of Cardiovascular Disease, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, 317000, Zhejiang Province, China
| | - Mengqi Yang
- Department of Cardiology, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, 317000, Zhejiang Province, China
- Laboratory of Cardiovascular Disease, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, 317000, Zhejiang Province, China
| | - Juntao Wu
- Department of Cardiology, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, 317000, Zhejiang Province, China
- Laboratory of Cardiovascular Disease, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, 317000, Zhejiang Province, China
| | - Minjun Yang
- Department of Cardiology, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, 317000, Zhejiang Province, China
- Laboratory of Cardiovascular Disease, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, 317000, Zhejiang Province, China
| | - Jiangbo Lin
- Department of Cardiology, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, 317000, Zhejiang Province, China
- Laboratory of Cardiovascular Disease, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, 317000, Zhejiang Province, China
| | - Weixu Gao
- Department of Endocrinology, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, 317000, Zhejiang Province, China
| | - Lijiang Tang
- Department of Cardiology, Zhejiang Hospital, Hangzhou, 310013, Zhejiang Province, China
| | - Baohui Xu
- Department of Surgery, Stanford University School of Medicine, Stanford, CA, 94305, USA
| | - Jianjun Jiang
- Department of Cardiology, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, 317000, Zhejiang Province, China
- Laboratory of Cardiovascular Disease, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, 317000, Zhejiang Province, China
| | - Xiaofeng Chen
- Department of Cardiology, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, 317000, Zhejiang Province, China.
- Laboratory of Cardiovascular Disease, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, 317000, Zhejiang Province, China.
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55
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Remes A, Arif R, Franz M, Jungmann A, Zaradzki M, Puehler T, Md MBH, Frey N, Karck M, Kallenbach K, Hecker M, Müller OJ, Wagner AH. AAV-mediated AP-1 decoy oligonucleotide expression inhibits aortic elastolysis in a mouse model of marfan syndrome. Cardiovasc Res 2021; 117:2459-2473. [PMID: 33471064 DOI: 10.1093/cvr/cvab012] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 03/02/2019] [Accepted: 01/12/2021] [Indexed: 01/05/2023] Open
Abstract
AIMS Marfan syndrome is one of the most common inherited disorders of connective tissue caused by fibrillin-1 mutations, characterized by enhanced transcription factor AP-1 DNA binding activity and subsequently abnormally increased expression and activity of matrix-metalloproteinases (MMPs). We aimed to establish a novel adeno-associated virus (AAV)-based strategy for long-term expression of an AP-1 neutralising RNA hairpin (hp) decoy oligonucleotide (dON) in the aorta to prevent aortic elastolysis in a murine model of Marfan syndrome. METHODS AND RESULTS Using fibrillin-1 hypomorphic mice (mgR/mgR), aortic grafts from young (9 weeks old) donor mgR/mgR mice were transduced ex vivo with AAV vectors and implanted as infrarenal aortic interposition grafts in mgR/mgR mice. Grafts were explanted after 30 days. For in vitro studies isolated primary aortic smooth muscle cells from mgR/mgR mice were used. Elastica-van-Giesson staining visualized elastolysis, ROS production was assessed using DHE staining. RNA F.I.S.H. verified AP-1 hp dON generation in the ex vivo transduced aortic tissue. MMP expression and activity were assessed by western blotting and immunoprecipitation combined with zymography.Transduction resulted in stable therapeutic dON expression in endothelial and smooth muscle cells. MMP expression and activity, ROS formation as well as expression of monocyte chemoattractant protein-1 were significantly reduced. Monocyte graft infiltration declined and the integrity of the elastin architecture was maintained. RNAseq analyzis confirmed the beneficial effect of AP-1 neutralisation on the pro-inflammatory environment in smooth muscle cells. CONCLUSIONS This novel approach protects from deterioration of aortic stability by sustained delivery of nucleic acids-based therapeutics and further elucidated how to interfere with the mechanism of elastolysis. TRANSLATIONAL PERSPECTIVE This study provides a novel single treatment option to achieve long-term expression of a transcription factor AP-1 neutralising decoy oligonucleotide in the aorta of mgR/mgR mice with the potential to prevent life-threatening elastolysis and aortic complications.
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Affiliation(s)
- Anca Remes
- Department of Internal Medicine III, University of Kiel, and University Hospital Schleswig-Holstein, Kiel, and German Centre for Cardiovascular Research, Partner Site, Hamburg/Kiel/Lübeck, Germany.,Institute of Physiology and Pathophysiology, Heidelberg University, Germany
| | - Rawa Arif
- Department of Cardiac Surgery, University Hospital Heidelberg, Germany
| | - Maximilian Franz
- Department of Cardiac Surgery, University Hospital Heidelberg, Germany
| | | | - Marcin Zaradzki
- Department of Cardiac Surgery, University Hospital Heidelberg, Germany
| | - Thomas Puehler
- Department of Cardiac and Vascular Surgery, University of Kiel and University Hospital Schleswig-Holstein, Kiel, Germany
| | | | - Norbert Frey
- Department of Internal Medicine III, University of Kiel, and University Hospital Schleswig-Holstein, Kiel, and German Centre for Cardiovascular Research, Partner Site, Hamburg/Kiel/Lübeck, Germany.,Internal Medicine III, University Hospital Heidelberg, Germany
| | - Matthias Karck
- Department of Cardiac Surgery, University Hospital Heidelberg, Germany
| | | | - Markus Hecker
- Institute of Physiology and Pathophysiology, Heidelberg University, Germany
| | - Oliver J Müller
- Department of Internal Medicine III, University of Kiel, and University Hospital Schleswig-Holstein, Kiel, and German Centre for Cardiovascular Research, Partner Site, Hamburg/Kiel/Lübeck, Germany
| | - Andreas H Wagner
- Institute of Physiology and Pathophysiology, Heidelberg University, Germany
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56
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Katsuki S, Koga JI, Matoba T, Umezu R, Nakashiro S, Nakano K, Tsutsui H, Egashira K. Nanoparticle-Mediated Delivery of Pitavastatin to Monocytes/Macrophages Inhibits Angiotensin II-Induced Abdominal Aortic Aneurysm Formation in Apoe -/- Mice. J Atheroscler Thromb 2021; 29:111-125. [PMID: 33455994 PMCID: PMC8737070 DOI: 10.5551/jat.54379] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Aim:
Abdominal aortic aneurysm (AAA) is a lethal and multifactorial disease. To prevent a rupture and dissection of enlarged AAA, prophylactic surgery and stenting are currently available. There are, however, no medical therapies preventing these complications of AAA. Statin is one of the candidates, but its efficacy on AAA formation/progression remains controversial. We have previously demonstrated that nanoparticles (NPs) incorporating pitavastatin (Pitava-NPs)—clinical trials using these nanoparticles have been already conducted—suppressed progression of atherosclerosis in apolipoprotein E-deficient (
Apoe−/−
) mice. Therefore, we have tested a hypothesis that monocytes/macrophages-targeting delivery of pitavastatin prevents the progression of AAA.
Methods:
Angiotensin II was intraperitoneally injected by osmotic mini-pumps to induce AAA formation in
Apoe−/−
mice. NPs consisting of poly(lactic-co-glycolic acid) were used for
in vivo
delivery of pitavastatin to monocytes/macrophages.
Results:
Intravenously administered Pitava-NPs (containing 0.012 mg/kg/week pitavastatin) inhibited AAA formation accompanied with reduction of macrophage accumulation and monocyte chemoattractant protein-1 (MCP-1) expression.
Ex vivo
molecular imaging revealed that Pitava-NPs not only reduced macrophage accumulation but also attenuated matrix metalloproteinase activity in the abdominal aorta, which was underpinned by attenuated elastin degradation.
Conclusion:
These results suggest that Pitava-NPs inhibit AAA formation associated with reduced macrophage accumulation and MCP-1 expression. This clinically feasible nanomedicine could be an innovative therapeutic strategy that prevents devastating complications of AAA.
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Affiliation(s)
- Shunsuke Katsuki
- The Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University
| | - Jun-Ichiro Koga
- The Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University
| | - Tetsuya Matoba
- The Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University
| | - Ryuta Umezu
- The Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University
| | - Soichi Nakashiro
- The Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University
| | - Kaku Nakano
- The Department of Cardiovascular Research, Development, and Translational Medicine, Center for Disruptive Cardiovascular Innovation, Kyushu University
| | - Hiroyuki Tsutsui
- The Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University
| | - Kensuke Egashira
- The Department of Cardiovascular Research, Development, and Translational Medicine, Center for Disruptive Cardiovascular Innovation, Kyushu University.,The Department of Translational Medicine, Kyushu University Graduate School of Pharmaceutical Sciences
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57
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Xu W, Chao Y, Liang M, Huang K, Wang C. CTRP13 Mitigates Abdominal Aortic Aneurysm Formation via NAMPT1. Mol Ther 2021; 29:324-337. [PMID: 32966772 DOI: 10.1016/j.ymthe.2020.09.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 06/09/2020] [Accepted: 09/02/2020] [Indexed: 12/25/2022] Open
Abstract
Abdominal aortic aneurysm (AAA) is a life-threatening cardiovascular disease characterized by localized dilation of the abdominal aorta. C1q/tumor necrosis factor (TNF)-related protein-13 (CTRP13) is a secreted adipokine that plays important roles in the cardiovascular system. However, the functional role of CTRP13 in the formation and development of AAA has yet to be explored. In this study, we determined that serum CTRP13 levels were significantly downregulated in blood samples from patients with AAA and in rodent AAA models induced by Angiotensin II (Ang II) in ApoE-/- mice or by CaCl2 in C57BL/6J mice. Using two distinct murine models of AAA, CTRP13 was shown to effectively reduce the incidence and severity of AAA in conjunction with reduced aortic macrophage infiltration, expression of proinflammatory cytokines (interleukin-6 [IL-6], TNF-α, and monocyte chemoattractant protein 1 [MCP-1]), and vascular smooth muscle cell (SMC) apoptosis. Mechanistically, nicotinamide phosphoribosyl-transferase 1 (NAMPT1) was identified as a new target of CTRP13. The decreased in vivo and in vitro expression of NAMPT1 was markedly reversed by CTRP13 supplementation in a ubiquitination-proteasome-dependent manner. NAMPT1 knockdown further blocked the beneficial effects of CTRP13 on vascular inflammation and SMC apoptosis. Overall, our study reveals that CTRP13 management may be an effective treatment for preventing AAA formation.
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Affiliation(s)
- Wenjing Xu
- Clinic Center of Human Gene Research, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China; Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuelin Chao
- Department of Cardiology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Minglu Liang
- Clinic Center of Human Gene Research, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China
| | - Kai Huang
- Clinic Center of Human Gene Research, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China
| | - Cheng Wang
- Clinic Center of Human Gene Research, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China; Department of Rheumatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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58
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Otaki Y, Watanabe T, Konta T, Watanabe M, Asahi K, Yamagata K, Fujimoto S, Tsuruya K, Narita I, Kasahara M, Shibagaki Y, Iseki K, Moriyama T, Kondo M, Watanabe T. Impact of Chronic Kidney Disease on Aortic Disease-related Mortality: A Four-year Community-Based Cohort Study. Intern Med 2021; 60:689-697. [PMID: 33642559 PMCID: PMC7990639 DOI: 10.2169/internalmedicine.5798-20] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Objective Despite advances in medicine, aortic diseases (ADs), such as aneurysm rupture and aortic dissection, remain fatal and carry extremely high mortality rates. Due to its low frequency, the risk of developing AD has not yet been fully elucidated. Chronic kidney disease (CKD) is an established risk factor for cardiovascular disease and mortality. The aim of the present study was to examine whether or not CKD is a risk for AD-related mortality in the general population. Methods We used a nationwide database of 554,442 subjects (40-75 years old) who participated in the annual "Specific Health Check and Guidance in Japan" checkup between 2008 and 2013. Results There were 131 aortic aneurysm and dissection deaths during the follow-up period of 2,123,512 person-years. A Kaplan-Meier analysis revealed that subjects with CKD had a higher rate of AD-related deaths than those without it. A multivariate Cox proportional hazard regression analysis demonstrated that CKD was an independent risk factor for AD-related death in the general population after adjusting for cardiovascular risk factors. The addition of CKD to cardiovascular risk factors significantly improved the C, net reclassification, and integrated discrimination indexes. Conclusion CKD is an additional risk for AD-related death, suggesting that CKD may be a target for the prevention and early identification of subjects at high risk for AD-related death in the general population.
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Affiliation(s)
- Yoichiro Otaki
- Department of Cardiology, Pulmonology, and Nephrology, Yamagata University School of Medicine, Japan
| | - Tetsu Watanabe
- Department of Cardiology, Pulmonology, and Nephrology, Yamagata University School of Medicine, Japan
| | - Tsuneo Konta
- Department of Cardiology, Pulmonology, and Nephrology, Yamagata University School of Medicine, Japan
| | - Masafumi Watanabe
- Department of Cardiology, Pulmonology, and Nephrology, Yamagata University School of Medicine, Japan
| | - Koichi Asahi
- Steering Committee of Research on Design of the Comprehensive Health Care System for Chronic Kidney Disease (CKD) Based on the Individual Risk Assessment by Specific Health Check, Japan
| | - Kunihiro Yamagata
- Steering Committee of Research on Design of the Comprehensive Health Care System for Chronic Kidney Disease (CKD) Based on the Individual Risk Assessment by Specific Health Check, Japan
| | - Shouichi Fujimoto
- Steering Committee of Research on Design of the Comprehensive Health Care System for Chronic Kidney Disease (CKD) Based on the Individual Risk Assessment by Specific Health Check, Japan
| | - Kazuhiko Tsuruya
- Steering Committee of Research on Design of the Comprehensive Health Care System for Chronic Kidney Disease (CKD) Based on the Individual Risk Assessment by Specific Health Check, Japan
| | - Ichiei Narita
- Steering Committee of Research on Design of the Comprehensive Health Care System for Chronic Kidney Disease (CKD) Based on the Individual Risk Assessment by Specific Health Check, Japan
| | - Masato Kasahara
- Steering Committee of Research on Design of the Comprehensive Health Care System for Chronic Kidney Disease (CKD) Based on the Individual Risk Assessment by Specific Health Check, Japan
| | - Yugo Shibagaki
- Steering Committee of Research on Design of the Comprehensive Health Care System for Chronic Kidney Disease (CKD) Based on the Individual Risk Assessment by Specific Health Check, Japan
| | - Kunitoshi Iseki
- Steering Committee of Research on Design of the Comprehensive Health Care System for Chronic Kidney Disease (CKD) Based on the Individual Risk Assessment by Specific Health Check, Japan
| | - Toshiki Moriyama
- Steering Committee of Research on Design of the Comprehensive Health Care System for Chronic Kidney Disease (CKD) Based on the Individual Risk Assessment by Specific Health Check, Japan
| | - Masahide Kondo
- Steering Committee of Research on Design of the Comprehensive Health Care System for Chronic Kidney Disease (CKD) Based on the Individual Risk Assessment by Specific Health Check, Japan
| | - Tsuyoshi Watanabe
- Steering Committee of Research on Design of the Comprehensive Health Care System for Chronic Kidney Disease (CKD) Based on the Individual Risk Assessment by Specific Health Check, Japan
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Mishra V, Banerjee A, Gandhi AB, Kaleem I, Alexander J, Hisbulla M, Kannichamy V, Valaiyaduppu Subas S, Hamid P. Stroke and Fabry Disease: A Review of Literature. Cureus 2020; 12:e12083. [PMID: 33489501 PMCID: PMC7805529 DOI: 10.7759/cureus.12083] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Fabry disease is an X-linked lysosomal storage disorder caused by a mutation in the alpha-galactosidase A (GLA) gene, leading to the deficiency of alpha-galactosidase A enzyme. The natural history of the affected patients (both males and females) includes neurovascular complications, such as cerebrovascular disease at a relatively young age. The pathophysiology behind the vascular involvement is primarily attributed to the accumulation of globotriaosylceramide and its derivatives in the vascular endothelium and vascular smooth muscle cells. MRI is the gold standard radiological investigation to detect the white matter lesions characteristic of Fabry disease's neurological involvement. More studies should focus on the utility of universally screening patients with young stroke for Fabry disease and the effectiveness of enzyme replacement therapy to prevent stroke. This review offers a synopsis of the current knowledge of the pathophysiology, neuroradiology, treatment, and prognosis of cerebrovascular disease in Fabry patients.
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Affiliation(s)
- Vinayak Mishra
- Internal Medicine, California Institute of Behavioral Neurosciences and Psychology, Fairfield, USA
| | - Amit Banerjee
- Internal Medicine, California Institute of Behavioral Neurosciences and Psychology, Fairfield, USA
| | - Arohi B Gandhi
- Internal Medicine, California Institute of Behavioral Neurosciences and Psychology, Fairfield, USA
| | - Ifrah Kaleem
- Internal Medicine, California Institute of Behavioral Neurosciences and Psychology, Fairfield, USA
| | - Josh Alexander
- Internal Medicine, California Institute of Behavioral Neurosciences and Psychology, Fairfield, USA
| | - Mohamed Hisbulla
- Internal Medicine, California Institute of Behavioral Neurosciences and Psychology, Fairfield, USA
| | - Vishmita Kannichamy
- General Medicine, California Institute of Behavioral Neurosciences and Psychology, Fairfield, USA
| | | | - Pousette Hamid
- Neurology, California Institute of Behavioral Neurosciences and Psychology, Fairfield, USA
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Horimatsu T, Blomkalns AL, Ogbi M, Moses M, Kim D, Patel S, Gilreath N, Reid L, Benson TW, Pye J, Ahmadieh S, Thompson A, Robbins N, Mann A, Edgell A, Benjamin S, Stansfield BK, Huo Y, Fulton DJ, Agarwal G, Singh N, Offermanns S, Weintraub NL, Kim HW. Niacin protects against abdominal aortic aneurysm formation via GPR109A independent mechanisms: role of NAD+/nicotinamide. Cardiovasc Res 2020; 116:2226-2238. [PMID: 31710686 PMCID: PMC7695356 DOI: 10.1093/cvr/cvz303] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 10/23/2019] [Accepted: 11/07/2019] [Indexed: 01/07/2023] Open
Abstract
AIMS Chronic adventitial and medial infiltration of immune cells play an important role in the pathogenesis of abdominal aortic aneurysms (AAAs). Nicotinic acid (niacin) was shown to inhibit atherosclerosis by activating the anti-inflammatory G protein-coupled receptor GPR109A [also known as hydroxycarboxylic acid receptor 2 (HCA2)] expressed on immune cells, blunting immune activation and adventitial inflammatory cell infiltration. Here, we investigated the role of niacin and GPR109A in regulating AAA formation. METHODS AND RESULTS Mice were supplemented with niacin or nicotinamide, and AAA was induced by angiotensin II (AngII) infusion or calcium chloride (CaCl2) application. Niacin markedly reduced AAA formation in both AngII and CaCl2 models, diminishing adventitial immune cell infiltration, concomitant inflammatory responses, and matrix degradation. Unexpectedly, GPR109A gene deletion did not abrogate the protective effects of niacin against AAA formation, suggesting GPR109A-independent mechanisms. Interestingly, nicotinamide, which does not activate GPR109A, also inhibited AAA formation and phenocopied the effects of niacin. Mechanistically, both niacin and nicotinamide supplementation increased nicotinamide adenine dinucleotide (NAD+) levels and NAD+-dependent Sirt1 activity, which were reduced in AAA tissues. Furthermore, pharmacological inhibition of Sirt1 abrogated the protective effect of nicotinamide against AAA formation. CONCLUSION Niacin protects against AAA formation independent of GPR109A, most likely by serving as an NAD+ precursor. Supplementation of NAD+ using nicotinamide-related biomolecules may represent an effective and well-tolerated approach to preventing or treating AAA.
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MESH Headings
- Angiotensin II
- Animals
- Aorta, Abdominal/drug effects
- Aorta, Abdominal/metabolism
- Aorta, Abdominal/pathology
- Aortic Aneurysm, Abdominal/chemically induced
- Aortic Aneurysm, Abdominal/metabolism
- Aortic Aneurysm, Abdominal/pathology
- Aortic Aneurysm, Abdominal/prevention & control
- Calcium Chloride
- Cells, Cultured
- Dilatation, Pathologic
- Disease Models, Animal
- Male
- Mice, Inbred C57BL
- Mice, Knockout
- NAD/metabolism
- Niacin/pharmacology
- Niacinamide/pharmacology
- Receptors, G-Protein-Coupled/genetics
- Receptors, G-Protein-Coupled/metabolism
- Receptors, LDL/genetics
- Receptors, LDL/metabolism
- Signal Transduction
- Sirtuin 1/metabolism
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Affiliation(s)
- Tetsuo Horimatsu
- Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
- Department of Vascular Biology Center, Medical College of Georgia, Augusta University, 1459 Laney Walker Blvd, Augusta, GA 30912, USA
| | - Andra L Blomkalns
- Department of Emergency Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Mourad Ogbi
- Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
- Department of Vascular Biology Center, Medical College of Georgia, Augusta University, 1459 Laney Walker Blvd, Augusta, GA 30912, USA
| | - Mary Moses
- Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
- Department of Vascular Biology Center, Medical College of Georgia, Augusta University, 1459 Laney Walker Blvd, Augusta, GA 30912, USA
| | - David Kim
- Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
- Department of Vascular Biology Center, Medical College of Georgia, Augusta University, 1459 Laney Walker Blvd, Augusta, GA 30912, USA
| | - Sagar Patel
- Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
- Department of Vascular Biology Center, Medical College of Georgia, Augusta University, 1459 Laney Walker Blvd, Augusta, GA 30912, USA
| | - Nicole Gilreath
- Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
- Department of Vascular Biology Center, Medical College of Georgia, Augusta University, 1459 Laney Walker Blvd, Augusta, GA 30912, USA
| | - Lauren Reid
- Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
- Department of Vascular Biology Center, Medical College of Georgia, Augusta University, 1459 Laney Walker Blvd, Augusta, GA 30912, USA
| | - Tyler W Benson
- Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
- Department of Vascular Biology Center, Medical College of Georgia, Augusta University, 1459 Laney Walker Blvd, Augusta, GA 30912, USA
| | - Jonathan Pye
- Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
- Department of Vascular Biology Center, Medical College of Georgia, Augusta University, 1459 Laney Walker Blvd, Augusta, GA 30912, USA
| | - Samah Ahmadieh
- Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
- Department of Vascular Biology Center, Medical College of Georgia, Augusta University, 1459 Laney Walker Blvd, Augusta, GA 30912, USA
| | - Allie Thompson
- Department of Emergency Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Nathan Robbins
- Department of Emergency Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Adrien Mann
- Department of Emergency Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Ashlee Edgell
- Department of Emergency Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Stephanie Benjamin
- Department of Emergency Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Brian K Stansfield
- Department of Vascular Biology Center, Medical College of Georgia, Augusta University, 1459 Laney Walker Blvd, Augusta, GA 30912, USA
- Department of Pediatrics, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Yuqing Huo
- Department of Vascular Biology Center, Medical College of Georgia, Augusta University, 1459 Laney Walker Blvd, Augusta, GA 30912, USA
- Department of Cellular Biology and Anatomy, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - David J Fulton
- Department of Vascular Biology Center, Medical College of Georgia, Augusta University, 1459 Laney Walker Blvd, Augusta, GA 30912, USA
- Department of Pharmacology and Toxicology, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Gautam Agarwal
- Department of Surgery, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Nagendra Singh
- Biochemistry and Molecular Biology, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Stefan Offermanns
- Department of Pharmacology, Max Planck Institute for Heart and Lung Research, Ludwigstraße, Bad Nauheim, Germany
| | - Neal L Weintraub
- Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
- Department of Vascular Biology Center, Medical College of Georgia, Augusta University, 1459 Laney Walker Blvd, Augusta, GA 30912, USA
| | - Ha Won Kim
- Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
- Department of Vascular Biology Center, Medical College of Georgia, Augusta University, 1459 Laney Walker Blvd, Augusta, GA 30912, USA
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Mei F, Xie M, Huang X, Long Y, Lu X, Wang X, Chen L. Porphyromonas gingivalis and Its Systemic Impact: Current Status. Pathogens 2020; 9:pathogens9110944. [PMID: 33202751 PMCID: PMC7696708 DOI: 10.3390/pathogens9110944] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 10/24/2020] [Accepted: 11/03/2020] [Indexed: 02/06/2023] Open
Abstract
The relationship between periodontitis and systemic diseases, notably including atherosclerosis and diabetes, has been studied for several years. Porphyromonas gingivalis, a prominent component of oral microorganism communities, is the main pathogen that causes periodontitis. As a result of the extensive analysis of this organism, the evidence of its connection to systemic diseases has become more apparent over the last decade. A significant amount of research has explored the role of Porphyromonas gingivalis in atherosclerosis, Alzheimer's disease, rheumatoid arthritis, diabetes, and adverse pregnancy outcomes, while relatively few studies have examined its contribution to respiratory diseases, nonalcoholic fatty liver disease, and depression. Here, we provide an overview of the current state of knowledge about Porphyromonas gingivalis and its systemic impact in an aim to inform readers of the existing epidemiological evidence and the most recent preclinical studies. Additionally, the possible mechanisms by which Porphyromonas gingivalis is involved in the onset or exacerbation of diseases, together with its effects on systemic health, are covered. Although a few results remain controversial, it is now evident that Porphyromonas gingivalis should be regarded as a modifiable factor for several diseases.
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Affiliation(s)
- Feng Mei
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (F.M.); (M.X.); (X.H.); (Y.L.); (X.L.)
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Mengru Xie
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (F.M.); (M.X.); (X.H.); (Y.L.); (X.L.)
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Xiaofei Huang
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (F.M.); (M.X.); (X.H.); (Y.L.); (X.L.)
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Yanlin Long
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (F.M.); (M.X.); (X.H.); (Y.L.); (X.L.)
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Xiaofeng Lu
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (F.M.); (M.X.); (X.H.); (Y.L.); (X.L.)
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Xiaoli Wang
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- Correspondence: (X.W.); (L.C.)
| | - Lili Chen
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (F.M.); (M.X.); (X.H.); (Y.L.); (X.L.)
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
- Correspondence: (X.W.); (L.C.)
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Galectin-3 Modulates Macrophage Activation and Contributes Smooth Muscle Cells Apoptosis in Abdominal Aortic Aneurysm Pathogenesis. Int J Mol Sci 2020; 21:ijms21218257. [PMID: 33158139 PMCID: PMC7663490 DOI: 10.3390/ijms21218257] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 10/30/2020] [Accepted: 11/02/2020] [Indexed: 12/01/2022] Open
Abstract
Galectin-3 (Gal-3) is a 26-kDa lectin that regulates many aspects of inflammatory cell behavior. We assessed the hypothesis that increased levels of Gal-3 contribute to abdominal aortic aneurysm (AAA) progression by enhancing monocyte chemoattraction through macrophage activation. We analyzed the plasma levels of Gal-3 in 76 patients with AAA (AAA group) and 97 controls (CTL group) as well as in angiotensin II (Ang-II)-infused ApoE knockout mice. Additionally, conditioned media (CM) were used to polarize THP-1 monocyte to M1 macrophages with or without Gal-3 inhibition through small interfering RNA targeted deletion to investigate whether Gal-3 inhibition could attenuate macrophage-induced inflammation and smooth muscle cell (SMC) apoptosis. Our results showed a markedly increased expression of Gal-3 in the plasma and aorta in the AAA patients and experimental mice compared with the CTL group. An in vitro study demonstrated that the M1 cells exhibited increased Gal-3 expression. Gal-3 inhibition markedly decreased the quantity of macrophage-induced inflammatory regulators, including IL-8, TNF-α, and IL-1β, as well as messenger RNA expression and MMP-9 activity. Moreover, Gal-3-deficient CM weakened SMC apoptosis through Fas activation. These findings prove that Gal-3 may contribute to AAA progression by the activation of inflammatory macrophages, thereby promoting SMC apoptosis.
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63
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Jeong SJ, Cho MJ, Ko NY, Kim S, Jung IH, Min JK, Lee SH, Park JG, Oh GT. Deficiency of peroxiredoxin 2 exacerbates angiotensin II-induced abdominal aortic aneurysm. Exp Mol Med 2020; 52:1587-1601. [PMID: 32929220 PMCID: PMC8080566 DOI: 10.1038/s12276-020-00498-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 06/21/2020] [Accepted: 06/29/2020] [Indexed: 01/02/2023] Open
Abstract
Abdominal aortic aneurysm (AAA) is an inflammatory vascular disease characterized by structural deterioration of the aorta caused by inflammation and oxidative stress, leading to aortic dilatation and rupture. Peroxiredoxin 2 (PRDX2), an antioxidant enzyme, has been reported as a potential negative regulator of inflammatory vascular diseases, and it has been identified as a protein that is increased in patients with ruptured AAA compared to patients with nonruptured AAA. In this study, we demonstrated that PRDX2 was a pivotal factor involved in the inhibition of AAA progression. PRDX2 levels were increased in AAA compared with those in normal aortas in both humans and mice. Ultrasound imaging revealed that the loss of PRDX2 accelerated the development of AAA in the early stages and increased AAA incidence in mice infused with angiotensin II (Ang II). Prdx2−/− mice infused with Ang II exhibited increased aortic dilatation and maximal aortic diameter without a change in blood pressure. Structural deterioration of the aortas from Prdx2−/− mice infused with Ang II was associated with increases in the degradation of elastin, oxidative stress, and intramural thrombi caused by microhemorrhages, immature neovessels, and the activation of matrix metalloproteinases compared to that observed in controls. Moreover, an increase in inflammatory responses, including the production of cell adhesion molecules and the accumulation of inflammatory cells and proinflammatory cytokines due to PRDX2 deficiency, accelerated Ang II-induced AAA progression. Our data confirm that PRDX2 plays a role as a negative regulator of the pathological process of AAA and suggest that increasing PRDX2 activity may be a novel strategy for the prevention and treatment of AAA. An enzyme with antioxidant properties may provide a biomarker and therapeutic agent to help treat abdominal aortic aneurysm (AAA). AAA involves the structural deterioration of the aorta through chronic inflammation and oxidative stress, and can trigger life-threatening artery rupture. An antioxidant enzyme called peroxiredoxin 2 (PRDX2) is increased in patients with ruptures, but whether its role in AAA is beneficial or detrimental is unclear. Goo Taeg Oh at the Ewha Womans University in Seoul, Jong-Gil Park at the Korea Research Institute of Bioscience and Biotechnology, Daejeon, South Korea, and co-workers examined the effect of PRDX2 on AAA progression. PRDX2 suppressed structural damage in mice, limiting artery dilation and protein degradation. Loss of PRDX2 accelerated AAA development. Measuring levels of PRDX2 may indicate AAA severity in patients, while boosting the enzyme could repair aortic damage.
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Affiliation(s)
- Se-Jin Jeong
- Cardiovascular Division, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Min Ji Cho
- Biotherapeutics Translational Research Center, Korea Research Institute of Bioscience & Biotechnology, Daejeon, Republic of Korea.,Department of Biomolecular Science, University of Science & Technology (UST), Daejeon, Republic of Korea
| | - Na Young Ko
- Immune and Vascular Cell Network Research Center, National Creative Initiatives, Department of Life Sciences, Ewha Womans University, Seoul, Republic of Korea
| | - Sinai Kim
- Immune and Vascular Cell Network Research Center, National Creative Initiatives, Department of Life Sciences, Ewha Womans University, Seoul, Republic of Korea
| | - In-Hyuk Jung
- Cardiovascular Division, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Jeong-Ki Min
- Biotherapeutics Translational Research Center, Korea Research Institute of Bioscience & Biotechnology, Daejeon, Republic of Korea.,Department of Biomolecular Science, University of Science & Technology (UST), Daejeon, Republic of Korea
| | - Sang Hak Lee
- Division of Cardiology, Department of Internal Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.,Cardiovascular Research Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Jong-Gil Park
- Biotherapeutics Translational Research Center, Korea Research Institute of Bioscience & Biotechnology, Daejeon, Republic of Korea.
| | - Goo Taeg Oh
- Immune and Vascular Cell Network Research Center, National Creative Initiatives, Department of Life Sciences, Ewha Womans University, Seoul, Republic of Korea.
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Lindquist Liljeqvist M, Hultgren R, Bergman O, Villard C, Kronqvist M, Eriksson P, Roy J. Tunica-Specific Transcriptome of Abdominal Aortic Aneurysm and the Effect of Intraluminal Thrombus, Smoking, and Diameter Growth Rate. Arterioscler Thromb Vasc Biol 2020; 40:2700-2713. [PMID: 32907367 DOI: 10.1161/atvbaha.120.314264] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
OBJECTIVE There is no medical treatment to prevent abdominal aortic aneurysm (AAA) growth and rupture, both of which are linked to smoking. Our objective was to map the tunica-specific pathophysiology of AAA with consideration of the intraluminal thrombus, age, and sex, and to subsequently identify which mechanisms were linked to smoking and diameter growth rate. Approach and Results: Microarray analyses were performed on 246 samples from 76 AAA patients and 13 controls. In media and adventitia, there were 5889 and 2701 differentially expressed genes, respectively. Gene sets related to adaptive and innate immunity were upregulated in both tunicas. Media-specific gene sets included increased matrix disassembly and angiogenesis, as well as decreased muscle cell development, contraction, and differentiation. Genes implicated in previous genome-wide association studies were dysregulated in media. The intraluminal thrombus had a pro-proteolytic and proinflammatory effect on the underlying media. Active smoking resulted in increased inflammation, oxidative stress, and angiogenesis in all tissues and enriched lipid metabolism in adventitia. Processes enriched with active smoking in control aortas overlapped to a high extent with those differentially expressed between AAAs and controls. The AAA diameter growth rate (n=24) correlated with T- and B-cell expression in media, as well as lipid-related processes in the adventitia. CONCLUSIONS This tunica-specific analysis of gene expression in a large study enabled the detection of features not previously described in AAA disease. Smoking was associated with increased expression of aneurysm-related processes, of which adaptive immunity and lipid metabolism correlated with growth rate.
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Affiliation(s)
- Moritz Lindquist Liljeqvist
- Department of Molecular Medicine and Surgery (M.L.L., R.H., C.V., M.K., J.R.), Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Rebecka Hultgren
- Department of Molecular Medicine and Surgery (M.L.L., R.H., C.V., M.K., J.R.), Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden.,Department of Vascular Surgery, Karolinska University Hospital, Stockholm, Sweden (R.H., J.R.)
| | - Otto Bergman
- Department of Medicine (O.B., P.E.), Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Christina Villard
- Department of Molecular Medicine and Surgery (M.L.L., R.H., C.V., M.K., J.R.), Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Malin Kronqvist
- Department of Molecular Medicine and Surgery (M.L.L., R.H., C.V., M.K., J.R.), Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Per Eriksson
- Department of Medicine (O.B., P.E.), Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Joy Roy
- Department of Molecular Medicine and Surgery (M.L.L., R.H., C.V., M.K., J.R.), Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden.,Department of Vascular Surgery, Karolinska University Hospital, Stockholm, Sweden (R.H., J.R.)
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Piqueras L, Sanz MJ. Angiotensin II and leukocyte trafficking: New insights for an old vascular mediator. Role of redox-signaling pathways. Free Radic Biol Med 2020; 157:38-54. [PMID: 32057992 DOI: 10.1016/j.freeradbiomed.2020.02.002] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 01/27/2020] [Accepted: 02/03/2020] [Indexed: 12/20/2022]
Abstract
Inflammation and activation of the immune system are key molecular and cellular events in the pathogenesis of cardiovascular diseases, including atherosclerosis, hypertension-induced target-organ damage, and abdominal aortic aneurysm. Angiotensin II (Ang-II) is the main effector peptide hormone of the renin-angiotensin system. Beyond its role as a potent vasoconstrictor and regulator of blood pressure and fluid homeostasis, Ang-II is intimately involved in the development of vascular lesions in cardiovascular diseases through the activation of different immune cells. The migration of leukocytes from circulation to the arterial subendothelial space is a crucial immune response in lesion development that is mediated through a sequential and coordinated cascade of leukocyte-endothelial cell adhesive interactions involving an array of cell adhesion molecules present on target leukocytes and endothelial cells and the generation and release of chemoattractants that activate and guide leukocytes to sites of emigration. In this review, we outline the key events of Ang-II participation in the leukocyte recruitment cascade, the underlying mechanisms implicated, and the corresponding redox-signaling pathways. We also address the use of inhibitor drugs targeting the effects of Ang-II in the context of leukocyte infiltration in these cardiovascular pathologies, and examine the clinical data supporting the relevance of blocking Ang-II-induced vascular inflammation.
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Affiliation(s)
- Laura Piqueras
- Department of Pharmacology, Faculty of Medicine, University of Valencia, Valencia, Spain; Institute of Health Research INCLIVA University Clinic Hospital of Valencia, Valencia, Spain; CIBERDEM-Spanish Biomedical Research Center in Diabetes and Associated Metabolic Disorders, Carlos III Health Institute, Spanish Ministry of Health, Madrid, Spain.
| | - Maria-Jesus Sanz
- Department of Pharmacology, Faculty of Medicine, University of Valencia, Valencia, Spain; Institute of Health Research INCLIVA University Clinic Hospital of Valencia, Valencia, Spain; CIBERDEM-Spanish Biomedical Research Center in Diabetes and Associated Metabolic Disorders, Carlos III Health Institute, Spanish Ministry of Health, Madrid, Spain.
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66
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Gurung R, Choong AM, Woo CC, Foo R, Sorokin V. Genetic and Epigenetic Mechanisms Underlying Vascular Smooth Muscle Cell Phenotypic Modulation in Abdominal Aortic Aneurysm. Int J Mol Sci 2020; 21:ijms21176334. [PMID: 32878347 PMCID: PMC7504666 DOI: 10.3390/ijms21176334] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 08/24/2020] [Accepted: 08/26/2020] [Indexed: 12/12/2022] Open
Abstract
Abdominal aortic aneurysm (AAA) refers to the localized dilatation of the infra-renal aorta, in which the diameter exceeds 3.0 cm. Loss of vascular smooth muscle cells, degradation of the extracellular matrix (ECM), vascular inflammation, and oxidative stress are hallmarks of AAA pathogenesis and contribute to the progressive thinning of the media and adventitia of the aortic wall. With increasing AAA diameter, and left untreated, aortic rupture ensues with high mortality. Collective evidence of recent genetic and epigenetic studies has shown that phenotypic modulation of smooth muscle cells (SMCs) towards dedifferentiation and proliferative state, which associate with the ECM remodeling of the vascular wall and accompanied with increased cell senescence and inflammation, is seen in in vitro and in vivo models of the disease. This review critically analyses existing publications on the genetic and epigenetic mechanisms implicated in the complex role of SMCs within the aortic wall in AAA formation and reflects the importance of SMCs plasticity in AAA formation. Although evidence from the wide variety of mouse models is convincing, how this knowledge is applied to human biology needs to be addressed urgently leveraging modern in vitro and in vivo experimental technology.
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Affiliation(s)
- Rijan Gurung
- Cardiovascular Research Institute, Yong Loo Lin School of Medicine, National University of Singapore, 1E Kent Ridge Road, NUHS Tower Block, Level 9, Singapore 119228, Singapore; (R.G.); (R.F.)
- Genome Institute of Singapore, A*STAR, 60 Biopolis Street, Genome, Singapore 138672, Singapore
| | - Andrew Mark Choong
- Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, 1E Kent Ridge Road, NUHS Tower Block, Level 8, Singapore 119228, Singapore; (A.M.C.); (C.C.W.)
- Department of Cardiac, Thoracic and Vascular Surgery, National University Hospital, National University Health System, 1E Kent Ridge Road, NUHS Tower Block, Level 9, Singapore 119228, Singapore
| | - Chin Cheng Woo
- Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, 1E Kent Ridge Road, NUHS Tower Block, Level 8, Singapore 119228, Singapore; (A.M.C.); (C.C.W.)
| | - Roger Foo
- Cardiovascular Research Institute, Yong Loo Lin School of Medicine, National University of Singapore, 1E Kent Ridge Road, NUHS Tower Block, Level 9, Singapore 119228, Singapore; (R.G.); (R.F.)
- Genome Institute of Singapore, A*STAR, 60 Biopolis Street, Genome, Singapore 138672, Singapore
| | - Vitaly Sorokin
- Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, 1E Kent Ridge Road, NUHS Tower Block, Level 8, Singapore 119228, Singapore; (A.M.C.); (C.C.W.)
- Department of Cardiac, Thoracic and Vascular Surgery, National University Hospital, National University Health System, 1E Kent Ridge Road, NUHS Tower Block, Level 9, Singapore 119228, Singapore
- Correspondence: ; Tel.: +65-6779-5555
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Dalman RL, Lu Y, Mahaffey KW, Chase AJ, Stern JR, Chang RW. Background and Proposed Design for a Metformin Abdominal Aortic Aneurysm Suppression Trial. VASCULAR AND ENDOVASCULAR REVIEW 2020. [DOI: 10.15420/ver.2020.03] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Abdominal aortic aneurysm (AAA) may lead to rupture and death if left untreated. While endovascular or surgical repair is generally recommended for AAA greater than 5–5.5 cm, the vast majority of aneurysms detected by screening modalities are smaller than this threshold. Once discovered, there would be a significant potential benefit in suppressing the growth of these small aneurysms in order to obviate the need for repair and mitigate rupture risk. Patients with diabetes, in particular those taking the oral hypoglycaemic medication metformin, have been shown to have lower incidence, growth rate, and rupture risk of AAA. Metformin therefore represents a widely available, non-toxic, potential inhibitor of AAA growth, but thus far no prospective clinical studies have evaluated this. Here, we present the background, rationale, and design for a randomised, double-blind, placebo-controlled clinical trial of metformin for growth suppression in patients with small AAA.
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Affiliation(s)
- Ronald L Dalman
- Department of Surgery, Division of Vascular and Endovascular Surgery, Stanford University School of Medicine, Stanford, California, US
| | - Ying Lu
- Department of Biomedical Data Science, Stanford University School of Medicine, Stanford, California, US
| | - Kenneth W Mahaffey
- Department of Medicine, Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford, California, US
| | - Amanda J Chase
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, California, US
| | - Jordan R Stern
- Department of Surgery, Division of Vascular and Endovascular Surgery, Stanford University School of Medicine, Stanford, California, US
| | - Robert W Chang
- Department of Vascular Surgery, Kaiser Permanente San Francisco, California, US
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Abstract
Endothelial cell (EC) metabolism is important for health and disease. Metabolic pathways, such as glycolysis, fatty acid oxidation, and amino acid metabolism, determine vasculature formation. These metabolic pathways have different roles in securing the production of energy and biomass and the maintenance of redox homeostasis in vascular migratory tip cells, proliferating stalk cells, and quiescent phalanx cells, respectively. Emerging evidence demonstrates that perturbation of EC metabolism results in EC dysfunction and vascular pathologies. Here, we summarize recent insights into EC metabolic pathways and their deregulation in vascular diseases. We further discuss the therapeutic implications of targeting EC metabolism in various pathologies.
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Affiliation(s)
- Xuri Li
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China; ,
| | - Anil Kumar
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China; ,
| | - Peter Carmeliet
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China; , .,Laboratory of Angiogenesis and Vascular Metabolism, Department of Oncology, KU Leuven, Leuven B-3000, Belgium.,Laboratory of Angiogenesis and Vascular Metabolism, Center for Cancer Biology, VIB, Leuven B-3000, Belgium
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69
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Han Z, Shaligram S, Faughnan ME, Clark D, Sun Z, Su H. Reduction of endoglin receptor impairs mononuclear cell-migration. EXPLORATION OF MEDICINE 2020; 1:136-148. [PMID: 32954380 PMCID: PMC7500529 DOI: 10.37349/emed.2020.00010] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Aim: To test if the impairment of mononuclear cell (MNC) migration in patients with hereditary hemorrhagic telangiectasia (HHT) is due to the reduction of the endoglin (ENG) receptor on the cell surface and oxidative stress. Methods: MNCs of HHT patients and normal controls were subjected to migration assay. Fractions of MNCs were pre-incubated with antibodies specific to HHT causative genes ENG [hereditary hemorrhagic telangiectasia type 1 (HHT1)] or activin receptor-like kinase 1 [ALK1, hereditary hemorrhagic telangiectasia type 2 (HHT2)], AMD3100 or Diprotin-A to block ENG, ALK1 C-X-C chemokine receptor 4 (CXCR4) or CD26 (increased in HHT1 MNCs) before migration assay. The MNCs were allowed to migrate toward stromal cell-derived factor-1α (SDF-1α) for 18 h. The expression of CXCR4, CD26, superoxide dismutase 1 (SOD1) and glutathione peroxidase 1 (GPX1) in MNCs and nitric oxide levels in the plasma were analyzed. Results: Compared to the controls, fewer HHT1 MNCs and similar number of HHT2 MNCs migrated toward SDF-1α. Diprotin-A pre-treatment improved HHT1 MNC-migration, but had no effect on normal and HHT2 MNCs. Pre-incubation with an anti-ENG antibody reduced the migration of normal MNCs. Diprotin-A did not improve the migration of ENG antibody pre-treated MNCs. Anti-ALK1 antibody had no effect on MNC-migration. AMD3100 treatment reduced normal and HHT MNC-migration. ENG mRNA level was reduced in HHT1 and HHT2 MNCs. ALK1 mRNA was reduced in HHT2 MNCs only. CD26 expression was higher in HHT1 MNCs. Pre-treatment of MNCs with anti-ENG or anti-ALK1 antibody had no effect on CD26 and CXCR4 expression. The expression of antioxidant enzymes, SOD1, was reduced in HHT1 MNCs, which was accompanied with an increase of ROS in HHT MNCs and nitric oxide in HHT1 plasma. Conclusions: Reduction of ENG receptor on MNC surface reduced monocyte migration toward SDF-1α independent of CD26 expression. Increased oxidative stress could alter HHT MNC migration behavior.
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Affiliation(s)
- Zhenying Han
- Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA 94143, USA.,Center for Cerebrovascular Research, University of California, San Francisco, CA 94143, USA
| | - Sonali Shaligram
- Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA 94143, USA.,Center for Cerebrovascular Research, University of California, San Francisco, CA 94143, USA
| | - Marie E Faughnan
- Toronto HHT Centre, Division of Respirology, Department of Medicine, St. Michael's Hospital, University of Toronto, Ontario M5B 1W8, Canada.,Li Ka Shing Knowledge Institute, St. Michael's Hospital, University of Toronto, Ontario M5B 1W8, Canada
| | - Dewi Clark
- Toronto HHT Centre, Division of Respirology, Department of Medicine, St. Michael's Hospital, University of Toronto, Ontario M5B 1W8, Canada
| | - Zhengda Sun
- Department of Radiology, University of California, San Francisco, CA 94143, USA
| | - Hua Su
- Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA 94143, USA.,Center for Cerebrovascular Research, University of California, San Francisco, CA 94143, USA
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Le S, Zhang H, Huang X, Chen S, Wu J, Chen S, Ding X, Chen S, Zhao J, Xu H, Cui J, Zou Y, Yu J, Jiang L, Wu J, Ye P, Xia J. PKM2 Activator TEPP-46 Attenuates Thoracic Aortic Aneurysm and Dissection by Inhibiting NLRP3 Inflammasome-Mediated IL-1β Secretion. J Cardiovasc Pharmacol Ther 2020; 25:364-376. [PMID: 32323562 DOI: 10.1177/1074248420919966] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
BACKGROUND The development of thoracic aortic aneurysm and dissection (TAAD) is mediated by inflammasome activation, which exacerbates the secretion of pro-inflammatory cytokines, chemokines, matrix metalloproteinases (MMPs), and reactive oxygen species (ROS). The glycolytic enzyme pyruvate kinase M2 (PKM2) has shown a protective role against various disorders with an inflammatory basis, such as sepsis, tumorigenesis, and diabetic nephropathy. However, its potential role in TAAD has not been investigated so far. APPROACH AND RESULTS We analyzed aortic tissues from TAAD patients and the β-aminopropionitrile fumarate (BAPN)-induced mouse model of TAAD and observed elevated levels of PKM2 in the aortic lesions of both. Treatment with the PKM2 activator TEPP-46 markedly attenuated the progression of TAAD in the mouse model as demonstrated by decreased morbidity and luminal diameter of the aorta. In addition, the thoracic aortas of the BAPN-induced mice showed reduced monocytes and macrophages infiltration and lower levels of IL-1β, MMPs, and ROS when treated with TEPP-46. Furthermore, TEPP-46 treatment also suppressed the activation of the NOD-like receptor (NLR) family and pyrin domain-containing protein 3 (NLRP3) inflammasome by downregulating p-STAT3 and HIF1-α. CONCLUSION Pyruvate kinase M2 plays a protective role in TAAD development, and its activation is a promising therapeutic strategy against the progression of TAAD.
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Affiliation(s)
- Sheng Le
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,The authers Sheng Le and Hao Zhang contributed equally to this article as first authors
| | - Hao Zhang
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,The authers Sheng Le and Hao Zhang contributed equally to this article as first authors
| | - Xiaofan Huang
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shu Chen
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jia Wu
- Key Laboratory for Molecular Diagnosis of Hubei Province, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shanshan Chen
- Key Laboratory for Molecular Diagnosis of Hubei Province, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - XiangChao Ding
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shanshan Chen
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jing Zhao
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Heng Xu
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jikai Cui
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yanqiang Zou
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jizhang Yu
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lang Jiang
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jie Wu
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ping Ye
- Department of Cardiology, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiahong Xia
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Etienne H, Journé C, Rouchaud A, Senemaud J, Louedec L, Pellenc Q, Coscas R, Gouya L, Dupont S, Michel JB. Persistence of Intraluminal Thrombus Makes Saccular Aneurysm More Biologically Active than Fusiform in an Experimental Rat Model. J Vasc Res 2020; 57:164-176. [PMID: 32222706 DOI: 10.1159/000506159] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Accepted: 01/26/2020] [Indexed: 01/31/2023] Open
Abstract
INTRODUCTION Saccular aneurysms are thought to have a worse prognosis than fusiform aneurysms in humans, due to hemodynamic reasons. However, data comparing hemodynamic and biology in saccular and fusiform aneurysms are lacking. The main objective was to evaluate the impact of aneurysm morphology on intra-luminal thrombus (ILT) formation and activity. METHODS Forty Lewis rats were ran-domly divided into 2 groups of 20: "saccular" (Group A) and "fusiform" (Group B) aneurysms. Decellularized thoracic aortas from guinea pigs were xenografted to create saccular or fusiform aneurysms. Final imaging evaluation of the aneurysms was carried out during the third week, by quantitative Doppler ultrasound and magnetic resonance imaging. Assays of myeloperoxidase (MPO), platelet factor 4 (PF4), advanced oxidation protein products (AOPPs) iron and matrix metallopeptidase-9 (MMP-9) were performed as biological criteria. RESULTS Quantitatively, saccular aneurysms are characterized by a more thicker ILT, lower inflow velocities and more important relative backflow velocities as compared to fusiform aneurysms. Compared to fusiform, saccular aneurysms released significantly more MPO (p = 0.004), PF4 (p = 0.02), AOPPs (p < 0.002), iron (p < 0.0001) and MMP-9 (p < 0.04). CONCLUSION Experimental saccular and fusiform aneurysms show differential specific hemodynamics, which seem to impact the histology and the biology of the ILT in each type of aneurysm.
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Affiliation(s)
- Harry Etienne
- UMR 1148, Inserm-Denis Diderot University, Hôpital Xavier Bichat, Paris, France,
| | - Clément Journé
- UMR 1148, Inserm-Denis Diderot University, Hôpital Xavier Bichat, Paris, France.,UMS 34, Fédération de Recherche en Imagerie Multimodalités, Paris, France
| | - Aymeric Rouchaud
- Université Limoges, CNRS, XLIM, UMR 7252, Limoges, France.,Department of interventional neuroradiology, CHU Dupuytren, Limoges, France
| | - Jean Senemaud
- UMR 1148, Inserm-Denis Diderot University, Hôpital Xavier Bichat, Paris, France.,Department of Vascular, Thoracic Surgery and Lung Transplantation, Hôpital Xavier Bichat, Paris, France
| | - Liliane Louedec
- UMR 1148, Inserm-Denis Diderot University, Hôpital Xavier Bichat, Paris, France
| | - Quentin Pellenc
- UMR 1148, Inserm-Denis Diderot University, Hôpital Xavier Bichat, Paris, France.,Department of Vascular, Thoracic Surgery and Lung Transplantation, Hôpital Xavier Bichat, Paris, France
| | - Raphaël Coscas
- Department of Vascular Surgery, Ambroise Paré University Hospital, AP-HP, Boulogne-Billancourt, France
| | - Laurent Gouya
- Paris Diderot University, INSERM U1149, Hème, fer et pathologies inflammatoires, Assistance Publique des Hôpitaux de Paris, Hôpital Louis Mourier, Paris, France
| | - Sébastien Dupont
- UMR 1148, Inserm-Denis Diderot University, Hôpital Xavier Bichat, Paris, France
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Targeting vascular smooth muscle cell dysfunction with xanthine derivative KMUP-3 inhibits abdominal aortic aneurysm in mice. Atherosclerosis 2020; 297:16-24. [PMID: 32059119 DOI: 10.1016/j.atherosclerosis.2020.01.029] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2019] [Revised: 01/15/2020] [Accepted: 01/30/2020] [Indexed: 10/25/2022]
Abstract
BACKGROUND AND AIMS Inflammation, oxidative stress, matrix degradation, medial calcification and vascular smooth muscle cell (VSMC) loss are prominent features in abdominal aortic aneurysm (AAA). VSMC phenotypic switch to a proinflammatory state and VSMC apoptosis could be targetable mechanisms implicated in the pathogenesis of AAA formation. Herein, we investigated the hypothesis that a xanthine derivative (KMUP-3) might suppress AAA through inhibition of VSMC phenotypic switch and apoptosis. METHODS In vitro, VSMC calcification was induced using β-glycerophosphate. In vivo, AAA was induced using angiotensin II (1000 ng/kg per minute) infusion for 4 weeks in apolipoprotein E-deficient mice. RESULTS As determined by alizarin red S staining and calcium content measurements, KMUP-3 suppressed VSMC calcification. During VSMC calcification, KMUP-3 inhibited mTOR and β-catenin upregulation, essential for VSMC phenotypic switch, while it enhanced AMP-activated protein kinase (AMPK) activation that protects against VSMC phenotypic switch. Moreover, KMUP-3 attenuated VSMC apoptosis with an increased Bcl-2/Bax ratio and reduced activated caspase-3 expression. During AAA formation, treatment with KMUP-3 inhibited phosphorylated mTOR expression and increased phosphorylated AMPK expression in the medial layer. In addition, KMUP-3 treatment suppressed aortic dilatation together with reduction in proinflammatory cytokines and infiltrating macrophages, attenuation of medial VSMC apoptosis and mitigation of reactive oxygen species generation, matrix-degrading proteinase activities, elastin breakdown and vascular calcification. CONCLUSIONS Treatment with KMUP-3 inhibits aneurysm growth possibly through its interference with signaling pathways involved in VSMC phenotypic switch and apoptosis. These findings provide a proof-of-concept validation for VSMC dysfunction as a potential therapeutic target in AAA.
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IKK Epsilon Deficiency Attenuates Angiotensin II-Induced Abdominal Aortic Aneurysm Formation in Mice by Inhibiting Inflammation, Oxidative Stress, and Apoptosis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:3602824. [PMID: 32064021 PMCID: PMC6998751 DOI: 10.1155/2020/3602824] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 10/06/2019] [Accepted: 11/14/2019] [Indexed: 11/18/2022]
Abstract
Abdominal aortic aneurysm (AAA) is a vascular disorder that is considered a chronic inflammatory disease. However, the precise molecular mechanisms involved in AAA have not been fully elucidated. Recently, significant progress has been made in understanding the function and mechanism of action of inhibitor of kappa B kinase epsilon (IKKε) in inflammatory and metabolic diseases. The angiotensin II- (Ang II-) induced or pharmacological inhibitors were established to test the effects of IKKε on AAA in vivo. After mice were continuously stimulated with Ang II for 28 days, morphologically, we found that knockout of IKKε reduced AAA formation and drastically reduced maximal diameter and severity. We also observed a decrease in elastin degradation and medial destruction, which were independent of systolic blood pressure or plasma cholesterol concentrations. Western blot analyses and immunohistochemical staining were carried out to measure IKKε expression in AAA tissues and cell lines. AAA phenotype of mice was measured by ultrasound and biochemical indexes. In zymography, immunohistology staining, immunofluorescence staining, and reactive oxygen species (ROS) analysis, TUNEL assay was used to examine the effects of IKKε on AAA progression in AAA mice. IKKε deficiency significantly inhibited inflammatory macrophage infiltration, matrix metalloproteinase (MMP) activity, ROS production, and vascular smooth muscle cell (VSMC) apoptosis. We used primary mouse aortic VSMC isolated from apolipoprotein E (Apoe) -/- and Apoe-/-IKKε -/- mice. Mechanistically, IKKε deficiency blunted the activation of the ERK1/2 pathway. The IKKε inhibitor, amlexanox, has the same impact in AAA. Our results demonstrate a critical role of IKKε in AAA formation induced by Ang II in Apoe-/- mice. Targeting IKKε may constitute a novel therapeutic strategy to prevent AAA progression.
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IgG Anti-High Density Lipoprotein Antibodies Are Elevated in Abdominal Aortic Aneurysm and Associated with Lipid Profile and Clinical Features. J Clin Med 2019; 9:jcm9010067. [PMID: 31888089 PMCID: PMC7019833 DOI: 10.3390/jcm9010067] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 12/21/2019] [Accepted: 12/24/2019] [Indexed: 02/06/2023] Open
Abstract
High-density lipoproteins cholesterol (HDLc) levels are decreased in abdominal aortic aneurysm (AAA), which is hallmarked by autoimmunity and lipid aortic deposits. To investigate whether IgG anti-HDL antibodies were present in AAA and their potential association with clinical features, IgG anti-HDL and total IgG along with HDLc plasma levels were measured in 488 AAA patients and 184 controls from the Viborg Vascular (VIVA) study, and in tissue-conditioned media from AAA intraluminal thrombus and media layer samples compared to control aortas. Higher IgG anti-HDL levels were found in AAA compared to controls, even after correcting for total IgG, and after adjusting for potential confounders. IgG anti-HDL levels were correlated with aortic diameter in univariate and adjusted multivariate analyses. IgG anti-HDL antibodies were negatively associated with HDLc levels before and after correcting for potential confounders. Increased anti-HDL antibodies were identified in tissue-conditioned media from AAA samples compared to healthy aortas, with higher levels being observed in the media layer. In conclusion, increased IgG anti-HDL levels (both in plasma and in tissue) are linked to AAA, associated with aortic diameter and HDLc levels. These data suggest a potential immune response against HDL in AAA and support an emerging role of anti-HDL antibodies in AAA.
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Gao P, Zhang H, Zhang Q, Fang X, Wu H, Wang M, Lu Z, Wei X, Yang G, Yan Z, Liu D, Zhu Z. Caloric Restriction Exacerbates Angiotensin II-Induced Abdominal Aortic Aneurysm in the Absence of p53. Hypertension 2019; 73:547-560. [PMID: 30686087 DOI: 10.1161/hypertensionaha.118.12086] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
p53-dependent vascular smooth muscle cell senescence is a key pathological process of abdominal aortic aneurysm (AAA). Caloric restriction (CR) is a nonpharmacological intervention that prevents AAA formation. However, whether p53 is indispensable to the protective role of CR remains unknown. In this study, we investigated the necessity of p53 in the beneficial role of CR in AAA formation and the underlying mechanisms. We subjected p53+/+ and p53-/- mice to 12 weeks of CR and then examined the incidence of Ang II (angiotensin II)-induced AAA formation. We found that both CR and p53 knockout reduced Ang II-induced AAA formation; however, CR markedly increased the incidence of AAA formation and exacerbated aortic elastin degradation in p53-/- mice, accompanied by increased vascular senescence, reactive oxygen species generation, and reduced energy production. Analysis of mitochondrial respiratory activity revealed that dysfunctional complex IV accounts for the abnormal mitochondrial respiration in p53-/- vascular smooth muscle cells treated by CR serum. Mechanistically, ablation of p53 almost totally blocked the protective role of CR by inhibiting SCO2 (cytochrome C oxidase assembly protein 2)-dependent mitochondrial complex IV activity. Overexpression of SCO2 restored the beneficial effect of CR on antagonizing Ang II-induced expression of AAA-related molecules and reactive oxygen species generation in p53-/- vascular smooth muscle cells. Together, our findings demonstrate that the existence of p53 in vascular smooth muscle cells is critical to the protective role of CR in Ang II-induced AAA formation by maintaining an appropriate mitochondrial function.
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Affiliation(s)
- Peng Gao
- From the Department of Hypertension and Endocrinology, Center for Hypertension and Metabolic Diseases, Daping Hospital, Third Military Medical University, Chongqing Institute of Hypertension, China (P.G., H.Z., H.W., Z.L., X.W., Z.Y., D.L., Z.Z.)
| | - Hexuan Zhang
- From the Department of Hypertension and Endocrinology, Center for Hypertension and Metabolic Diseases, Daping Hospital, Third Military Medical University, Chongqing Institute of Hypertension, China (P.G., H.Z., H.W., Z.L., X.W., Z.Y., D.L., Z.Z.)
| | - Qin Zhang
- Department of Endocrinology, The Second Affiliated Hospital, Chongqing Medical University and Chongqing Clinical Research Center for Geriatrics, China (Q.Z., X.F., M.W., G.Y.)
| | - Xia Fang
- Department of Endocrinology, The Second Affiliated Hospital, Chongqing Medical University and Chongqing Clinical Research Center for Geriatrics, China (Q.Z., X.F., M.W., G.Y.)
| | - Hao Wu
- From the Department of Hypertension and Endocrinology, Center for Hypertension and Metabolic Diseases, Daping Hospital, Third Military Medical University, Chongqing Institute of Hypertension, China (P.G., H.Z., H.W., Z.L., X.W., Z.Y., D.L., Z.Z.)
| | - Miao Wang
- Department of Endocrinology, The Second Affiliated Hospital, Chongqing Medical University and Chongqing Clinical Research Center for Geriatrics, China (Q.Z., X.F., M.W., G.Y.)
| | - Zongshi Lu
- From the Department of Hypertension and Endocrinology, Center for Hypertension and Metabolic Diseases, Daping Hospital, Third Military Medical University, Chongqing Institute of Hypertension, China (P.G., H.Z., H.W., Z.L., X.W., Z.Y., D.L., Z.Z.)
| | - Xiao Wei
- From the Department of Hypertension and Endocrinology, Center for Hypertension and Metabolic Diseases, Daping Hospital, Third Military Medical University, Chongqing Institute of Hypertension, China (P.G., H.Z., H.W., Z.L., X.W., Z.Y., D.L., Z.Z.)
| | - Gangyi Yang
- Department of Endocrinology, The Second Affiliated Hospital, Chongqing Medical University and Chongqing Clinical Research Center for Geriatrics, China (Q.Z., X.F., M.W., G.Y.)
| | - Zhencheng Yan
- From the Department of Hypertension and Endocrinology, Center for Hypertension and Metabolic Diseases, Daping Hospital, Third Military Medical University, Chongqing Institute of Hypertension, China (P.G., H.Z., H.W., Z.L., X.W., Z.Y., D.L., Z.Z.)
| | - Daoyan Liu
- From the Department of Hypertension and Endocrinology, Center for Hypertension and Metabolic Diseases, Daping Hospital, Third Military Medical University, Chongqing Institute of Hypertension, China (P.G., H.Z., H.W., Z.L., X.W., Z.Y., D.L., Z.Z.)
| | - Zhiming Zhu
- From the Department of Hypertension and Endocrinology, Center for Hypertension and Metabolic Diseases, Daping Hospital, Third Military Medical University, Chongqing Institute of Hypertension, China (P.G., H.Z., H.W., Z.L., X.W., Z.Y., D.L., Z.Z.)
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Chen C, Wang Y, Cao Y, Wang Q, Anwaier G, Zhang Q, Qi R. Mechanisms underlying the inhibitory effects of probucol on elastase-induced abdominal aortic aneurysm in mice. Br J Pharmacol 2019; 177:204-216. [PMID: 31478560 DOI: 10.1111/bph.14857] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Revised: 07/19/2019] [Accepted: 08/11/2019] [Indexed: 11/28/2022] Open
Abstract
BACKGROUND AND PURPOSE Abdominal aortic aneurysm (AAA) is a degenerative disease with irreversible and progressive dilation of the artery. But there are few options for efficacious treatment except for traditional surgery. Probucol has been widely applied to treat hyperlipidaemia and atherosclerosis in clinic, but whether it can protect against AAA remains unknown. In this study, the protective effects of probucol against AAA and its related mechanisms were explored. EXPERIMENTAL APPROACH The model of AAA was induced in mice by periaortic application of elastase (40 min) to the abdominal aorta. Probucol at different doses was administered by daily gavage, starting on the same day as AAA was induced, for 14 days. In vitro, cultures of rat vascular smooth muscle cells (VSMCs) were stimulated with TNF-α. Haem oxygenase (HO)-1 siRNA and HO-1 plasmid were used to regulate the expression or activity of HO-1 in the VSMCs and to clarify the effects of HO-1. KEY RESULTS Probucol dose-dependently prevented the development of AAA, reflected by decreased incidence of AAA, diameter of aortic dilation, elastin degradation, and infiltration of inflammatory cells. Probucol also protected VSMCs from oxidative injury and enhanced elastin biosynthesis. This anti-inflammatory effects of probucol on VSMCs were significantly decreased when HO-1 was inhibited by siRNA. CONCLUSION AND IMPLICATIONS Probucol protected against AAA through inhibiting the degradation of elastin induced by inflammation and oxidation and by facilitating the biosynthesis of elastin. HO-1 played a crucial role in the anti-inflammatory effects of probucol in VSMCs.
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Affiliation(s)
- Cong Chen
- Peking University Institute of Cardiovascular Sciences, Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, Peking University Health Science Center, Beijing, China.,Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, Peking University School of Pharmaceutical Sciences, Beijing, China
| | - Yunxia Wang
- Peking University Institute of Cardiovascular Sciences, Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, Peking University Health Science Center, Beijing, China.,Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, Peking University School of Pharmaceutical Sciences, Beijing, China
| | - Yini Cao
- Peking University Institute of Cardiovascular Sciences, Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, Peking University Health Science Center, Beijing, China.,Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, Peking University School of Pharmaceutical Sciences, Beijing, China
| | - Qinyu Wang
- Peking University Institute of Cardiovascular Sciences, Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, Peking University Health Science Center, Beijing, China.,Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, Peking University School of Pharmaceutical Sciences, Beijing, China
| | - Gulinigaer Anwaier
- Peking University Institute of Cardiovascular Sciences, Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, Peking University Health Science Center, Beijing, China.,Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, Peking University School of Pharmaceutical Sciences, Beijing, China.,School of Basic Medical Science, Shihezi University, Shihezi, China
| | - Qingyi Zhang
- Peking University Institute of Cardiovascular Sciences, Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, Peking University Health Science Center, Beijing, China.,Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, Peking University School of Pharmaceutical Sciences, Beijing, China
| | - Rong Qi
- Peking University Institute of Cardiovascular Sciences, Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, Peking University Health Science Center, Beijing, China.,Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, Peking University School of Pharmaceutical Sciences, Beijing, China.,School of Basic Medical Science, Shihezi University, Shihezi, China
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77
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Takagi H. Which should we eat, fruit or vegetables? The association with abdominal aortic aneurysm. Eur J Prev Cardiol 2019; 27:2302-2307. [PMID: 31615289 DOI: 10.1177/2047487319876227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Hisato Takagi
- Department of Cardiovascular Surgery, Shizuoka Medical Center, Shizuoka, Japan.,Department of Cardiovascular Surgery, Kitasato University School of Medicine, Sagamihara, Japan
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78
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NADPH oxidases and oxidase crosstalk in cardiovascular diseases: novel therapeutic targets. Nat Rev Cardiol 2019; 17:170-194. [PMID: 31591535 DOI: 10.1038/s41569-019-0260-8] [Citation(s) in RCA: 288] [Impact Index Per Article: 57.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/19/2019] [Indexed: 02/07/2023]
Abstract
Reactive oxygen species (ROS)-dependent production of ROS underlies sustained oxidative stress, which has been implicated in the pathogenesis of cardiovascular diseases such as hypertension, aortic aneurysm, hypercholesterolaemia, atherosclerosis, diabetic vascular complications, cardiac ischaemia-reperfusion injury, myocardial infarction, heart failure and cardiac arrhythmias. Interactions between different oxidases or oxidase systems have been intensively investigated for their roles in inducing sustained oxidative stress. In this Review, we discuss the latest data on the pathobiology of each oxidase component, the complex crosstalk between different oxidase components and the consequences of this crosstalk in mediating cardiovascular disease processes, focusing on the central role of particular NADPH oxidase (NOX) isoforms that are activated in specific cardiovascular diseases. An improved understanding of these mechanisms might facilitate the development of novel therapeutic agents targeting these oxidase systems and their interactions, which could be effective in the prevention and treatment of cardiovascular disorders.
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79
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Wal P, Saraswat N, Pal RS, Wal A, Chaubey M. A Detailed Insight of the Anti-inflammatory Effects of Curcumin with the Assessment of Parameters, Sources of ROS and Associated Mechanisms. ACTA ACUST UNITED AC 2019. [DOI: 10.2174/1874220301906010064] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Background:Curcumin is an active constituent ofCurcuma longa,which belongs to Zingiberaceae family. It is derived from the Rhizome of a perennial plant having molecular formula C21H20O6and chemically it is (1, 7- bis (4- hydroxy - 3 methoxyphenyl) -1, 6 - heptadine - 3, 5 - diene), also known as diferuloylmethane. Curcumin has been extensively used as a herbal constituent for curing several diseases and is scientifically proven to show major effects as an anti-inflammatory agent.Objective:Inflammation is an important factor for numerous diseases including diabetes neuropathy, cancer, asthma, arthritis, and other diseases. Prophylaxis of inflammatory diseases through synthetic medications tends to have major toxicity and side effects on a large number of population. The foremost aim of this review paper is to assess the natural anti-inflammatory effect of curcumin, source, and mechanism of action, potential therapeutic effect and models associated. Additionally, this paper aims to scrutinize inflammation, sources of reactive oxygen species, and pathways of reactive oxygen species generation and potential side effects of curcumin.Methods:Selection of data has been done by studying the combination of research and review papers from different databases like PubMed, Medline and Web of science from the year 1985- 2018 by using search keywords like “curcumin”, “anti-inflammatory”, “ROS”, “Curcuma longa”, “medicinal uses of curcumin”, “assessing parameters”, “inflammation”, “anti-oxidant”Results:On the basis of our interpretation, we have concluded that curcumin has potential therapeutic effects in different inflammatory diseases, it inhibits the inflammatory mediators, oxidation processes, and oxidative stress and has no severe toxicity on animals and humans.Conclusion:Oxidative stress is a major cause of inflammation and curcumin has a good potential for blocking it. Curcumin is also easily accessible herbal source and should be consumed in the form of food, antioxidant, anti-inflammatory agents and further observation should be done on its therapeutic parameters, risk factors, and toxicity studies and oral viability.
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80
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Hu X, Jiang W, Wang Z, Li L, Hu Z. NOX1 Negatively Modulates Fibulin-5 in Vascular Smooth Muscle Cells to Affect Aortic Dissection. Biol Pharm Bull 2019; 42:1464-1470. [DOI: 10.1248/bpb.b18-01012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Xiaoping Hu
- Department of Cardiovascular Surgery, Renmin Hospital of Wuhan University
| | - Wanli Jiang
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University
| | - Zhiwei Wang
- Department of Cardiovascular Surgery, Renmin Hospital of Wuhan University
| | - Luocheng Li
- Department of Cardiovascular Surgery, Renmin Hospital of Wuhan University
| | - Zhipeng Hu
- Department of Cardiovascular Surgery, Renmin Hospital of Wuhan University
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81
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Emrich F, Penov K, Arakawa M, Dhablania N, Burdon G, Pedroza AJ, Koyano TK, Kim YM, Raaz U, Connolly AJ, Iosef C, Fischbein MP. Anatomically specific reactive oxygen species production participates in Marfan syndrome aneurysm formation. J Cell Mol Med 2019; 23:7000-7009. [PMID: 31402541 PMCID: PMC6787454 DOI: 10.1111/jcmm.14587] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 07/15/2019] [Accepted: 07/17/2019] [Indexed: 12/20/2022] Open
Abstract
Marfan syndrome (MFS) is a connective tissue disorder that results in aortic root aneurysm formation. Reactive oxygen species (ROS) seem to play a role in aortic wall remodelling in MFS, although the mechanism remains unknown. MFS Fbn1C1039G/+ mouse root/ascending (AS) and descending (DES) aortic samples were examined using DHE staining, lucigenin‐enhanced chemiluminescence (LGCL), Verhoeff's elastin‐Van Gieson staining (elastin breakdown) and in situ zymography for protease activity. Fbn1C1039G/+ AS‐ or DES‐derived smooth muscle cells (SMC) were treated with anti‐TGF‐β antibody, angiotensin II (AngII), anti‐TGF‐β antibody + AngII, or isotype control. ROS were detected during early aneurysm formation in the Fbn1C1039G/+ AS aorta, but absent in normal‐sized DES aorta. Fbn1C1039G/+ mice treated with the unspecific NADPH oxidase inhibitor, apocynin reduced AS aneurysm formation, with attenuated elastin fragmentation. In situ zymography revealed apocynin treatment decreased protease activity. In vitro SMC studies showed Fbn1C1039G/+‐derived AS SMC had increased NADPH activity compared to DES‐derived SMC. AS SMC NADPH activity increased with AngII treatment and appeared TGF‐β dependent. In conclusion, ROS play a role in MFS aneurysm development and correspond anatomically with aneurysmal aortic segments. ROS inhibition via apocynin treatment attenuates MFS aneurysm progression. AngII enhances ROS production in MFS AS SMCs and is likely TGF‐β dependent.
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Affiliation(s)
- Fabian Emrich
- Department of Cardiothoracic Surgery, Stanford University, Stanford, California.,Department of Cardiothoracic Surgery, Leipzig University Heart Center, Leipzig, Germany
| | - Kiril Penov
- Department of Cardiothoracic Surgery, Stanford University, Stanford, California.,Department of Cardiothoracic Surgery, Leipzig University Heart Center, Leipzig, Germany
| | - Mamoru Arakawa
- Department of Cardiothoracic Surgery, Stanford University, Stanford, California.,Department of Cardiovascular Surgery, Jichi Medical University, Saitama, Japan
| | - Nathan Dhablania
- Department of Cardiothoracic Surgery, Stanford University, Stanford, California
| | - Grayson Burdon
- Department of Cardiothoracic Surgery, Stanford University, Stanford, California
| | - Albert J Pedroza
- Department of Cardiothoracic Surgery, Stanford University, Stanford, California
| | - Tiffany K Koyano
- Department of Cardiothoracic Surgery, Stanford University, Stanford, California
| | - Young M Kim
- Department of Cardiovascular Medicine, Stanford University, Stanford, California
| | - Uwe Raaz
- Department of Cardiovascular Medicine, Stanford University, Stanford, California
| | | | - Cristiana Iosef
- Department of Cardiothoracic Surgery, Stanford University, Stanford, California
| | - Michael P Fischbein
- Department of Cardiothoracic Surgery, Stanford University, Stanford, California
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82
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Systems Approach to Study Associations between OxLDL and Abdominal Aortic Aneurysms. Int J Mol Sci 2019; 20:ijms20163909. [PMID: 31405245 PMCID: PMC6721018 DOI: 10.3390/ijms20163909] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 08/04/2019] [Accepted: 08/08/2019] [Indexed: 12/12/2022] Open
Abstract
Although abdominal aortic aneurysm (AAA) is a common vascular disease and is associated with high mortality, the full pathogenesis of AAA remains unknown to researchers. Abdominal aortic aneurysms and atherosclerosis are strongly related. Currently, it is more often suggested that development of AAA is not a result of atherosclerosis, however, individual factors can act independently or synergistically with atherosclerosis. One of such factors is low-density lipoprotein (LDL) and its oxidized form (oxLDL). It is known that oxLDL plays an important role in the pathogenesis of atherosclerosis, thus, we decided to examine oxLDL impact on the development of AAA by creating two models using Petri-nets. The first, full model, contains subprocess of LDL oxidation and all subprocesses in which it participates, while the second, reduced model, does not contain them. The analysis of such models can be based on t-invariants. They correspond to subprocesses which do not change the state of the modeled system. Moreover, the knockout analysis has been used to estimate how crucial a selected transition (representing elementary subprocess) is, based on the number of excluded subprocesses as a result of its knockout. The results of the analysis of our models show that oxLDL affects 55.84% of subprocesses related to AAA development, but the analysis of the nets based on knockouts and simulation has shown that the influence of oxLDL on enlargement and rupture of AAA is negligible.
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83
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Schwaerzer GK, Kalyanaraman H, Casteel DE, Dalton ND, Gu Y, Lee S, Zhuang S, Wahwah N, Schilling JM, Patel HH, Zhang Q, Makino A, Milewicz DM, Peterson KL, Boss GR, Pilz RB. Aortic pathology from protein kinase G activation is prevented by an antioxidant vitamin B 12 analog. Nat Commun 2019; 10:3533. [PMID: 31387997 PMCID: PMC6684604 DOI: 10.1038/s41467-019-11389-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Accepted: 07/11/2019] [Indexed: 01/08/2023] Open
Abstract
People heterozygous for an activating mutation in protein kinase G1 (PRKG1, p.Arg177Gln) develop thoracic aortic aneurysms and dissections (TAAD) as young adults. Here we report that mice heterozygous for the mutation have a three-fold increase in basal protein kinase G (PKG) activity, and develop age-dependent aortic dilation. Prkg1R177Q/+ aortas show increased smooth muscle cell apoptosis, elastin fiber breaks, and oxidative stress compared to aortas from wild type littermates. Transverse aortic constriction (TAC)—to increase wall stress in the ascending aorta—induces severe aortic pathology and mortality from aortic rupture in young mutant mice. The free radical-neutralizing vitamin B12-analog cobinamide completely prevents age-related aortic wall degeneration, and the unrelated anti-oxidant N-acetylcysteine ameliorates TAC-induced pathology. Thus, increased basal PKG activity induces oxidative stress in the aorta, raising concern about the widespread clinical use of PKG-activating drugs. Cobinamide could be a treatment for aortic aneurysms where oxidative stress contributes to the disease, including Marfan syndrome. Individuals carrying a gain-of-function mutation in PKG1 develop thoracic aortic aneurysms and dissections. Here Schwaerzer et al. show that mice carrying the same mutation recapitulate the human disease, and find that treatment with anti-oxidants including cobinamide, a vitamin B12 analog, prevents disease progression.
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Affiliation(s)
- Gerburg K Schwaerzer
- Department of Medicine, University of California San Diego, La Jolla, CA, 92093, USA
| | - Hema Kalyanaraman
- Department of Medicine, University of California San Diego, La Jolla, CA, 92093, USA
| | - Darren E Casteel
- Department of Medicine, University of California San Diego, La Jolla, CA, 92093, USA
| | - Nancy D Dalton
- Department of Medicine, University of California San Diego, La Jolla, CA, 92093, USA
| | - Yusu Gu
- Department of Medicine, University of California San Diego, La Jolla, CA, 92093, USA
| | - Seunghoe Lee
- Department of Medicine, University of California San Diego, La Jolla, CA, 92093, USA
| | - Shunhui Zhuang
- Department of Medicine, University of California San Diego, La Jolla, CA, 92093, USA
| | - Nisreen Wahwah
- Department of Medicine, University of California San Diego, La Jolla, CA, 92093, USA
| | - Jan M Schilling
- Department of Anesthesiology, University of California San Diego, La Jolla, CA, 92093, USA
| | - Hemal H Patel
- Department of Anesthesiology, University of California San Diego, La Jolla, CA, 92093, USA
| | - Qian Zhang
- Department of Medicine, University of California San Diego, La Jolla, CA, 92093, USA
| | - Ayako Makino
- Department of Medicine, University of California San Diego, La Jolla, CA, 92093, USA
| | - Dianna M Milewicz
- Division of Medical Genetics and Cardiology, Department of Internal Medicine, University of Texas Health Science Center at Houston, Houston, TX, 77030, USA
| | - Kirk L Peterson
- Department of Medicine, University of California San Diego, La Jolla, CA, 92093, USA
| | - Gerry R Boss
- Department of Medicine, University of California San Diego, La Jolla, CA, 92093, USA
| | - Renate B Pilz
- Department of Medicine, University of California San Diego, La Jolla, CA, 92093, USA.
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84
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Intake of fibre and plant foods and the risk of abdominal aortic aneurysm in a large prospective cohort study in Sweden. Eur J Nutr 2019; 59:2047-2056. [PMID: 31332505 PMCID: PMC7351812 DOI: 10.1007/s00394-019-02054-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Accepted: 07/08/2019] [Indexed: 01/07/2023]
Abstract
Purpose The purpose of this study was to investigate fibre, and plant foods, and its association with AAA risk. Methods In this prospective cohort study, Malmö Diet and Cancer Study, baseline data collection was carried out 1991–1996. The study participants’ (n = 26,133) dietary habits were extensively recorded at baseline. The specific diagnosis of AAA in the in-hospital registry was found valid in 95%. The association between plant foods, such as cereals and types of vegetables, and AAA was assessed by using Cox regression analysis expressed as hazard ratios (HR) with 95% confidence intervals (CI). Results A high intake of fibre was independently associated with AAA risk (HR per quintile 0.87, 95% CI 0.79–0.97). High intake of vegetables (HR 0.91, 95% CI 0.84–0.98), specifically leaf vegetables (HR 0.87, 95% CI 0.81–0.94), and fruits and berries (HR 0.89, 95% CI 0.82–0.96), citrus (HR 0.91, 95% CI 0.85–0.98) and non-citrus fruits (HR 0.87, 95% CI 0.81–0.95) were independently associated with a decreased AAA risk. Conclusions A high intake of fruits and berries and vegetables, in particular leaf vegetables, are associated with a decreased risk of developing AAA. Electronic supplementary material The online version of this article (10.1007/s00394-019-02054-w) contains supplementary material, which is available to authorized users.
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85
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Kaluza J, Stackelberg O, Harris HR, Björck M, Wolk A. Anti-inflammatory diet and risk of abdominal aortic aneurysm in two Swedish cohorts. Heart 2019; 105:1876-1883. [DOI: 10.1136/heartjnl-2019-315031] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 06/12/2019] [Accepted: 06/13/2019] [Indexed: 02/02/2023] Open
Abstract
ObjectiveThe relationship between dietary patterns and development of abdominal aortic aneurysm (AAA) is not well understood. Thus, we prospectively evaluated the association between the anti-inflammatory potential of diet and risk of AAA.MethodsThe study population included the Cohort of Swedish Men (45 072 men) and the Swedish Mammography Cohort (36 633 women), aged 45–83 years at baseline. The anti-inflammatory potential of diet was estimated using Anti-inflammatory Diet Index (AIDI) based on 11 foods with anti-inflammatory potential and 5 with proinflammatory potential (maximum 16 points) that was validated againsthigh sensitivity C reactive protein (hsCRP). Cox proportional hazard regression models were used to estimate HRs and 95% CIs. During the 14.9 years of follow-up (1 217 263 person-years), 1528 AAA cases (277 (18%) ruptured, 1251 non-ruptured) were ascertained via the Swedish Inpatient Register, the National Cause of Death Register and the Register for Vascular Surgery (Swedvasc).ResultsWe observed an inverse association between the AIDI and AAA risk in women and men; HRs between extreme quartiles of the AIDI (≥8 vs ≤5 points) were 0.55 (95% CI 0.36 to 0.83) in women and 0.81 (95% CI 0.68 to 0.98) in men. The AIDI was inversely associated with both ruptured and non-ruptured AAA incidence; the HR of participants in the highest quartile of AIDI compared with those in the lowest quartile was 0.61 (95% CI 0.41 to 0.90) for ruptured AAA and 0.79 (95% CI 0.65 to 0.95) for non-ruptured AAA.ConclusionAdherence to diet with a high anti-inflammatory potential was associated with a reduced AAA risk, an association that was even more pronounced for AAA rupture.
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86
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Petsophonsakul P, Furmanik M, Forsythe R, Dweck M, Schurink GW, Natour E, Reutelingsperger C, Jacobs M, Mees B, Schurgers L. Role of Vascular Smooth Muscle Cell Phenotypic Switching and Calcification in Aortic Aneurysm Formation. Arterioscler Thromb Vasc Biol 2019; 39:1351-1368. [PMID: 31144989 DOI: 10.1161/atvbaha.119.312787] [Citation(s) in RCA: 188] [Impact Index Per Article: 37.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Aortic aneurysm is a vascular disease whereby the ECM (extracellular matrix) of a blood vessel degenerates, leading to dilation and eventually vessel wall rupture. Recently, it was shown that calcification of the vessel wall is involved in both the initiation and progression of aneurysms. Changes in aortic wall structure that lead to aneurysm formation and vascular calcification are actively mediated by vascular smooth muscle cells. Vascular smooth muscle cells in a healthy vessel wall are termed contractile as they maintain vascular tone and remain quiescent. However, in pathological conditions they can dedifferentiate into a synthetic phenotype, whereby they secrete extracellular vesicles, proliferate, and migrate to repair injury. This process is called phenotypic switching and is often the first step in vascular pathology. Additionally, healthy vascular smooth muscle cells synthesize VKDPs (vitamin K-dependent proteins), which are involved in inhibition of vascular calcification. The metabolism of these proteins is known to be disrupted in vascular pathologies. In this review, we summarize the current literature on vascular smooth muscle cell phenotypic switching and vascular calcification in relation to aneurysm. Moreover, we address the role of vitamin K and VKDPs that are involved in vascular calcification and aneurysm. Visual Overview- An online visual overview is available for this article.
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Affiliation(s)
- Ploingarm Petsophonsakul
- From the Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, the Netherlands (P.P., M.F., C.R., L.S.)
| | - Malgorzata Furmanik
- From the Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, the Netherlands (P.P., M.F., C.R., L.S.)
| | - Rachael Forsythe
- Centre for Cardiovascular Science, University of Edinburgh, United Kingdom (R.F., M.D.)
| | - Marc Dweck
- Centre for Cardiovascular Science, University of Edinburgh, United Kingdom (R.F., M.D.)
| | - Geert Willem Schurink
- Department of Vascular Surgery (G.W.S., M.J., B.M.), Maastricht University Medical Center (MUMC), Maastricht, the Netherlands
| | - Ehsan Natour
- Department of Cardiovascular Surgery (E.N.), Maastricht University Medical Center (MUMC), Maastricht, the Netherlands.,European Vascular Center Aachen-Maastricht, Maastricht, the Netherlands (E.N., M.J., B.M.)
| | - Chris Reutelingsperger
- From the Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, the Netherlands (P.P., M.F., C.R., L.S.)
| | - Michael Jacobs
- Department of Vascular Surgery (G.W.S., M.J., B.M.), Maastricht University Medical Center (MUMC), Maastricht, the Netherlands.,European Vascular Center Aachen-Maastricht, Maastricht, the Netherlands (E.N., M.J., B.M.)
| | - Barend Mees
- Department of Vascular Surgery (G.W.S., M.J., B.M.), Maastricht University Medical Center (MUMC), Maastricht, the Netherlands.,European Vascular Center Aachen-Maastricht, Maastricht, the Netherlands (E.N., M.J., B.M.)
| | - Leon Schurgers
- From the Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, the Netherlands (P.P., M.F., C.R., L.S.)
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87
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Advanced Oxidation Protein Products and Carbonylated Proteins Levels in Endovascular and Open Repair of an Abdominal Aortic Aneurysm: The Effect of Pre-, Intra-, and Postoperative Treatment. BIOMED RESEARCH INTERNATIONAL 2019; 2019:7976043. [PMID: 31205945 PMCID: PMC6530117 DOI: 10.1155/2019/7976043] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2019] [Revised: 04/04/2019] [Accepted: 04/17/2019] [Indexed: 11/29/2022]
Abstract
Background In recent years, a rapid increase in studies focusing on the role of oxidative stress in the pathogenesis of an abdominal aortic aneurysm (AAA) has been observed. Oxidative modifications of proteins are infrequently evaluated in reference to AAA. Objectives The intensity of oxidative protein modifications, presented as advanced oxidation protein products (AOPP) and carbonylated proteins (C=O), in AAA patients qualified for surgery was estimated. The effect of surgical techniques and intraoperative and postoperative treatment on AOPP and C=O levels was evaluated. Patients The EVAR group, consisting of 30 patients, was classified for endovascular aneurysm repair, whereas 28 patients were classified for conventional open repair (OR). Methods AOPP and C=O were measured using a colorimetric assay kit. Results A significantly lower AOPP level obtained 2-4 days after EVAR surgery in comparison with the value found before surgery was noted. In the case of OR postoperative treatment, a tendency of AOPP level to increase was observed. The tendency of C=O to decrease after surgery in the EVAR group was indicated. However, the C=O level tended to increase after OR surgery and reached a significantly higher value 5-7 days after surgery compared with the value obtained before surgery. Conclusions Based on our results, it may be concluded that AAA as well as surgical technique contribute to the formation of AOPP and C=O. The analysis of changes in AOPP and C=O values obtained after surgery revealed a significant effect of a patient's condition before surgery as well as the choice of surgery technique on the values of the studied parameters revealed during postoperative treatment.
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Smooth muscle-specific Gsα deletion exaggerates angiotensin II-induced abdominal aortic aneurysm formation in mice in vivo. J Mol Cell Cardiol 2019; 132:49-59. [PMID: 31071332 PMCID: PMC7394040 DOI: 10.1016/j.yjmcc.2019.05.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Revised: 04/16/2019] [Accepted: 05/02/2019] [Indexed: 01/12/2023]
Abstract
Objective: Abdominal aortic aneurysm (AAA) is a life-threatening vascular disease without an effective pharmaceutical treatment. Genetic studies have proved the involvement of smooth muscle phenotype switch in the development of AAA. The alpha subunit of the heterotrimeric G stimulatory protein (Gsα) mediates receptor-stimulated production of cyclic adenosine monophosphate (cAMP). However, the role of smooth muscle Gsα in AAA formation remains unknown. Approach and results: In this study, mice with knockout of smooth muscle-specific Gsα (GsαSMKO) were generated by cross-breeding Gsαflox/flox mice with SM22-CreERT2 transgenic mice, induced in adult mice by tamoxifen treatment. Gsα deficiency induced a smooth muscle phenotype switch from a contractile to a synthetic state. Mechanically, Gsα deletion reduced cAMP level and increased the level of human antigen R (HuR), which binds with the adenylate uridylate–rich elements of the 3′ untranslated region of Krüppel-like factor 4 (KLF4) mRNA, thereby increasing the stability of KLF4. Moreover, genetic knockdown of HuR or KLF4 rescued the phenotype switch in Gsα-deficient smooth muscle cells. Furthermore, with acute infusion of angiotensin II, the incidence of AAA was markedly higher in ApoE−/−/GsαSMKO than ApoE−/−/Gsαflox/flox mice and induced increased elastic lamina degradation and aortic expansion. Finally, the levels of Gsα and SM α-actin were significantly lower while those of HuR and KLF4 were higher in human AAA samples than adjacent nonaneurysmal aortic sections. Conclusions: Gsα may play a protective role in AAA formation by regulating the smooth muscle phenotype switch and could be a potential therapeutic target for AAA disease.
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Smooth muscle-specific LKB1 deletion exaggerates angiotensin II-induced abdominal aortic aneurysm in mice. J Mol Cell Cardiol 2019; 130:131-139. [DOI: 10.1016/j.yjmcc.2019.03.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 03/12/2019] [Accepted: 03/27/2019] [Indexed: 11/19/2022]
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90
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The Potential Role of Neutrophil Gelatinase-Associated Lipocalin in the Development of Abdominal Aortic Aneurysms. Ann Vasc Surg 2019; 57:210-219. [DOI: 10.1016/j.avsg.2018.11.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Revised: 11/14/2018] [Accepted: 11/27/2018] [Indexed: 11/20/2022]
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91
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Knockout of dihydrofolate reductase in mice induces hypertension and abdominal aortic aneurysm via mitochondrial dysfunction. Redox Biol 2019; 24:101185. [PMID: 30954686 PMCID: PMC6451172 DOI: 10.1016/j.redox.2019.101185] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2019] [Revised: 03/15/2019] [Accepted: 03/28/2019] [Indexed: 12/14/2022] Open
Abstract
Hypertension and abdominal aortic aneurysm (AAA) are severe cardiovascular diseases with incompletely defined molecular mechanisms. In the current study we generated dihydrofolate reductase (DHFR) knockout mice for the first time to examine its potential contribution to the development of hypertension and AAA, as well as the underlying molecular mechanisms. Whereas the homozygote knockout mice were embryonically lethal, the heterozygote knockout mice had global reduction in DHFR protein expression and activity. Angiotensin II infusion into these animals resulted in substantially exaggerated elevation in blood pressure and development of AAA, which was accompanied by excessive eNOS uncoupling activity (featured by significantly impaired tetrahydrobiopterin and nitric oxide bioavailability), vascular remodeling (MMP2 activation, medial elastin breakdown and adventitial fibrosis) and inflammation (macrophage infiltration). Importantly, scavenging of mitochondrial reactive oxygen species with Mito-Tempo in vivo completely abrogated development of hypertension and AAA in DHFR knockout mice, indicating a novel role of mitochondria in mediating hypertension and AAA downstream of DHFR deficiency-dependent eNOS uncoupling. These data for the first time demonstrate that targeting DHFR-deficiency driven mitochondrial dysfunction may represent an innovative therapeutic option for the treatment of AAA and hypertension.
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92
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Wagner AH, Zaradzki M, Arif R, Remes A, Müller OJ, Kallenbach K. Marfan syndrome: A therapeutic challenge for long-term care. Biochem Pharmacol 2019; 164:53-63. [PMID: 30926475 DOI: 10.1016/j.bcp.2019.03.034] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 03/25/2019] [Indexed: 12/14/2022]
Abstract
Marfan syndrome (MFS) is an autosomal dominant genetic disorder caused by mutations in the fibrillin-1 gene. Acute aortic dissection is the leading cause of death in patients suffering from MFS and consequence of medial degeneration and aneurysm formation. In addition to its structural function in the formation of elastic fibers, fibrillin has a major role in keeping maintaining transforming growth factor β (TGF-β) in an inactive form. Dysfunctional fibrillin increases TGF-β bioavailability and concentration in the extracellular matrix, leading to activation of proinflammatory transcription factors. In turn, these events cause increased expression of matrix metalloproteinases and cytokines that control the migration and infiltration of inflammatory cells into the aorta. Moreover, TGF-β causes accumulation of reactive oxygen species leading to further degradation of elastin fibers. All these processes result in medial elastolysis, which increases the risk of vascular complications. Although MFS is a hereditary disease, symptoms and traits are usually not noticeable at birth. During childhood or adolescence affected individuals present with severe tissue weaknesses, especially in the aorta, heart, eyes, and skeleton. Considering this, even young patients should avoid activities that exert additional stress and pressure on the aorta and the cardiovascular system. Thus, if the diagnosis is made and prophylactic treatment is initiated in a timely fashion, MFS and its preliminary pathophysiologic vascular remodeling can be successfully ameliorated reducing the risk of life-threatening complications. This commentary focuses on new research opportunities and molecular findings on MFS, discusses future challenges and possible long-term therapies.
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Affiliation(s)
- A H Wagner
- Institute of Physiology and Pathophysiology, Division of Cardiovascular Physiology, Heidelberg University, Germany.
| | - M Zaradzki
- Department of Cardiac Surgery, University Hospital Heidelberg, Heidelberg, Germany
| | - R Arif
- Department of Cardiac Surgery, University Hospital Heidelberg, Heidelberg, Germany
| | - A Remes
- Department of Internal Medicine III, University Hospital Kiel, Kiel, Germany
| | - O J Müller
- Department of Internal Medicine III, University Hospital Kiel, Kiel, Germany
| | - K Kallenbach
- INCCI HaerzZenter, Department of Cardiac Surgery, Luxembourg, Luxembourg
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93
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Potential Medication Treatment According to Pathological Mechanisms in Abdominal Aortic Aneurysm. J Cardiovasc Pharmacol 2019; 71:46-57. [PMID: 28953105 DOI: 10.1097/fjc.0000000000000540] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Abdominal aortic aneurysm (AAA) is a vascular disease with high mortality. Because of the lack of effective medications to stop or reverse the progression of AAA, surgical operation has become the most predominant recommendation of treatment for patients. There are many potential mechanisms, including inflammation, smooth muscle cell apoptosis, extracellular matrix degradation, oxidative stress, and so on, involving in AAA pathogenesis. According to those mechanisms, some potential therapeutic drugs have been proposed and tested in animal models and even in clinical trials. This review focuses on recent advances in both pathogenic mechanisms and potential pharmacologic therapies of AAA.
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94
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Effect of Cyclic Stretch on Vascular Endothelial Cells and Abdominal Aortic Aneurysm (AAA): Role in the Inflammatory Response. Int J Mol Sci 2019; 20:ijms20020287. [PMID: 30642067 PMCID: PMC6359538 DOI: 10.3390/ijms20020287] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 01/08/2019] [Accepted: 01/09/2019] [Indexed: 11/17/2022] Open
Abstract
Abdominal aortic aneurysm (AAA) is a focal dilatation of the aorta, caused by both genetic and environmental factors. Although vascular endothelium plays a key role in AAA progression, the biological mechanisms underlying the mechanical stress involvement are only partially understood. In this study, we developed an in vitro model to characterize the role of mechanical stress as a potential trigger of endothelial deregulation in terms of inflammatory response bridging between endothelial cells (ECs), inflammatory cells, and matrix remodeling. In AAA patients, data revealed different degrees of calcification, inversely correlated with wall stretching and also with inflammation and extracellular matrix degradation. In order to study the role of mechanical stimulation, endothelial cell line (EA.hy926) has been cultured in healthy (10% strain) and pathological (5% strain) dynamic conditions using a bioreactor. In presence of tumor necrosis factor alpha (TNF-α), high levels of matrix metalloproteinase-9 (MMP-9) expression and inflammation are obtained, while mechanical stimulation significantly counteracts the TNF-α effects. Moreover, physiological deformation also plays a significant role in the control of the oxidative stress. Overall our findings indicate that, due to wall calcification, in AAA there is a significant change in terms of decreased wall stretching.
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95
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96
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Wang Y, Chen C, Wang Q, Cao Y, Xu L, Qi R. Inhibitory effects of cycloastragenol on abdominal aortic aneurysm and its related mechanisms. Br J Pharmacol 2019; 176:282-296. [PMID: 30302749 PMCID: PMC6295405 DOI: 10.1111/bph.14515] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 08/15/2018] [Accepted: 09/18/2018] [Indexed: 01/16/2023] Open
Abstract
BACKGROUND AND PURPOSE Abdominal aortic aneurysm (AAA) is a degenerative disease affecting human health, but there are no safe and effective medications for AAA therapy. Cycloastragenol (CAG), derived from Astragali Radix, has various pharmacological effects. However, whether CAG can protect against AAA remains elusive. In this study, we investigated whether CAG has an inhibitory effect on AAA and its related mechanism. EXPERIMENTAL APPROACH The AAA mouse model was induced by incubating the abdominal aorta with elastase. CAG was administered by gavage at different doses beginning on the same day or 14 days after inducing AAA to explore its preventive or therapeutic effects respectively. The preventive effects of CAG on AAA were verified in another AAA mouse model induced by angiotensin II in ApoE-/- mouse. In vitro experiments were implemented on rat vascular smooth muscle cells (VSMCs) stimulated by TNF-α. KEY RESULTS Compared to the control AAA model group, CAG (125 mg·kg-1 body weight day-1 ) reduced the incidence of AAA, the dilatation of aorta and elastin degradation in media in both mouse models of AAA. CAG suppressed the inflammation, oxidation, phenotype switch and apoptosis in TNF-α-stimulated VSMCs, ameliorated the expression and activity of MMPs and decreased the activation of the ERK/JNK signalling pathway. CAG also inhibited the degradation of elastin in TNF-α-stimulated VSMCs. CONCLUSION AND IMPLICATIONS CAG presents protective effects against AAA through down-regulation of the MAPK signalling pathways and thus attenuates inflammation, oxidation, VSMC phenotype switch and apoptosis and the expression of MMPs as well as increasing elastin biosynthesis.
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MESH Headings
- Administration, Oral
- Angiotensin II/metabolism
- Animals
- Aortic Aneurysm, Abdominal/drug therapy
- Aortic Aneurysm, Abdominal/metabolism
- Apolipoproteins E/deficiency
- Apolipoproteins E/metabolism
- Cell Survival/drug effects
- Cells, Cultured
- Dose-Response Relationship, Drug
- Drugs, Chinese Herbal/administration & dosage
- Drugs, Chinese Herbal/pharmacology
- Inflammation/drug therapy
- Inflammation/metabolism
- Male
- Mice
- Mice, Inbred C57BL
- Mice, Knockout
- Molecular Conformation
- Oxidative Stress/drug effects
- Pancreatic Elastase/metabolism
- Rats
- Rats, Sprague-Dawley
- Sapogenins/administration & dosage
- Sapogenins/pharmacology
- Signal Transduction/drug effects
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Affiliation(s)
- Yunxia Wang
- Institute of Cardiovascular Sciences, Health Science CenterPeking UniversityBeijingChina
- Key Laboratory of Molecular Cardiovascular SciencesMinistry of EducationBeijingChina
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery SystemsBeijingChina
| | - Cong Chen
- Institute of Cardiovascular Sciences, Health Science CenterPeking UniversityBeijingChina
- Key Laboratory of Molecular Cardiovascular SciencesMinistry of EducationBeijingChina
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery SystemsBeijingChina
| | - Qinyu Wang
- Institute of Cardiovascular Sciences, Health Science CenterPeking UniversityBeijingChina
- Key Laboratory of Molecular Cardiovascular SciencesMinistry of EducationBeijingChina
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery SystemsBeijingChina
| | - Yini Cao
- Institute of Cardiovascular Sciences, Health Science CenterPeking UniversityBeijingChina
- Key Laboratory of Molecular Cardiovascular SciencesMinistry of EducationBeijingChina
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery SystemsBeijingChina
| | - Lu Xu
- Institute of Cardiovascular Sciences, Health Science CenterPeking UniversityBeijingChina
- Key Laboratory of Molecular Cardiovascular SciencesMinistry of EducationBeijingChina
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery SystemsBeijingChina
| | - Rong Qi
- Institute of Cardiovascular Sciences, Health Science CenterPeking UniversityBeijingChina
- Key Laboratory of Molecular Cardiovascular SciencesMinistry of EducationBeijingChina
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery SystemsBeijingChina
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97
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Salhi L, Rompen E, Sakalihasan N, Laleman I, Teughels W, Michel JB, Lambert F. Can Periodontitis Influence the Progression of Abdominal Aortic Aneurysm? A Systematic Review. Angiology 2018; 70:479-491. [DOI: 10.1177/0003319718821243] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Leila Salhi
- Department of Periodontology and Oral Surgery, Faculty of Medicine, University of Liège, Liège, Belgium
| | - Eric Rompen
- Department of Periodontology and Oral Surgery, Faculty of Medicine, University of Liège, Liège, Belgium
| | - Natzi Sakalihasan
- Department of Cardiovascular and Thoracic Surgery, Surgical Research Centre, GIGA-Cardiovascular Science Unit, University of Liège, Liège, Belgium
| | - Isabelle Laleman
- Department of Oral Health Sciences, KU Leuven & Dentistry University Hospitals Leuven, Leuven, Belgium
| | - Wim Teughels
- Department of Periodontology, Research Group for Microbial Adhesion, Catholic University Leuven, Leuven, Belgium
| | - Jean-Baptiste Michel
- DRE Laboratory for Translational Vascular Science, Inserm Denis Diderot University, Paris, France
| | - France Lambert
- Dental Biomaterials Research Unit, Head of Clinic, Department of Periodontology and Oral Surgery, University of Liège, Liège, Belgium
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98
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Patel K, Zafar M, Ziganshin B, Elefteriades J. Diabetes Mellitus: Is It Protective against Aneurysm? A Narrative Review. Cardiology 2018; 141:107-122. [DOI: 10.1159/000490373] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 05/24/2018] [Indexed: 11/19/2022]
Abstract
Objectives: In the course of extensive clinical aortic surgery, we noticed that the aorta was quite thick and fibrotic in diabetic patients. We thought the diabetic aortic aorta might be inimitable to aortic dissection. On this basis, we set out to review information in the literature regarding aortic growth and dissection in diabetic patients. Methods: We used a 2-step search approach to the available literature on diabetes and aneurysm. Firstly, databases including PubMed, Cochrane, Embase and TRIP were searched. Secondly, relevant studies were identified through secondary sources including references of initially selected articles. We address the relationship between diabetes and the incidence, prevalence, growth, mortality and rupture of an aneurysm. Results: Diabetes is thought to exert a protective role in both thoracic aortic aneurysm (TAA) and abdominal aortic aneurysm (AAA). Diabetics were shown to have a slower aneurysm growth rate, lower rupture rate, delayed (> 65 years) age of rupture, decreased rate of mortality from an aneurysm and a decreased length of hospital stay. There was also noted a decreased rate of incidence and prevalence of TAA and AAA in diabetics, smaller aneurysm diameter, reduction in matrix metalloproteinases and an increased aortic wall stress in diabetics. Antidiabetic agents like metformin, thiazolidinediones and dipeptidyl peptidase-4 inhibitors may protect against an aneurysm. Conclusion: Our literature review provides strong (but often circumstantial) evidence that diabetic patients exhibit slower growth of aortic aneurysms and a lower rate of aortic dissection. Furthermore, clinical and experimental studies indicate that common antidiabetic medications on their own inhibit growth of aortic aneurysms. These findings indicate a paradoxically beneficial effect of the otherwise highly detrimental diabetic state.
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99
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Otaki Y, Watanabe T, Konta T, Watanabe M, Fujimoto S, Sato Y, Asahi K, Yamagata K, Tsuruya K, Narita I, Kasahara M, Shibagaki Y, Iseki K, Moriyama T, Kondo M, Watanabe T. Effect of Hypertension on Aortic Artery Disease-Related Mortality - 3.8-Year Nationwide Community-Based Prospective Cohort Study. Circ J 2018; 82:2776-2782. [PMID: 30298835 DOI: 10.1253/circj.cj-18-0721] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND Aortic artery disease (AAD), such as aortic dissection or aortic aneurysm rupture, is fatal, with an extremely high mortality. Because of its low incidence, the risk for the development of AAD has not yet been elucidated. Hypertension (HT) is an established risk factor for cardiovascular disease, but there has been no prospective study on the effect of HT on AAD-related mortality. Methods and Results: We used a nationwide database of 276,197 subjects (aged 40-75 years) who participated in the annual "Specific Health Check and Guidance in Japan" from 2008 to 2010. There were 80 AAD-related deaths during the follow-up period of 1,049,549 person-years. On multivariate Cox proportional hazard regression, HT was an independent risk factor for AAD-related death in apparently healthy subjects. On receiver operating characteristics curve analysis for AAD-related death, abnormal systolic and diastolic blood pressure (SBP and DBP) were 130 mmHg and 82 mmHg, respectively. The prediction capacity was significantly improved by the addition of SBP to confounding risk factors. Notably, further improvement of the C index was observed by addition of DBP to the model with SBP. CONCLUSIONS This is the first report to prospectively show that HT is a risk factor for AAD-related death. Both SBP and DBP are of critical importance in the primary prevention of AAD-related death in apparently healthy subjects.
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Affiliation(s)
- Yoichiro Otaki
- Department of Cardiology, Pulmonology, and Nephrology, Yamagata University School of Medicine
| | - Tetsu Watanabe
- Department of Cardiology, Pulmonology, and Nephrology, Yamagata University School of Medicine
| | - Tsuneo Konta
- Department of Public Health and Hygiene, Yamagata University School of Medicine
| | - Masafumi Watanabe
- Department of Cardiology, Pulmonology, and Nephrology, Yamagata University School of Medicine
| | - Shouichi Fujimoto
- Steering Committee of Research on Design of the Comprehensive Health Care System for Chronic Kidney Disease (CKD) Based on the Individual Risk Assessment by Specific Health Check
| | - Yuji Sato
- Dialysis Division, University of Miyazaki Hospital
| | - Koichi Asahi
- Steering Committee of Research on Design of the Comprehensive Health Care System for Chronic Kidney Disease (CKD) Based on the Individual Risk Assessment by Specific Health Check
| | - Kunihiro Yamagata
- Steering Committee of Research on Design of the Comprehensive Health Care System for Chronic Kidney Disease (CKD) Based on the Individual Risk Assessment by Specific Health Check
| | - Kazuhiko Tsuruya
- Steering Committee of Research on Design of the Comprehensive Health Care System for Chronic Kidney Disease (CKD) Based on the Individual Risk Assessment by Specific Health Check
| | - Ichiei Narita
- Steering Committee of Research on Design of the Comprehensive Health Care System for Chronic Kidney Disease (CKD) Based on the Individual Risk Assessment by Specific Health Check
| | - Masato Kasahara
- Steering Committee of Research on Design of the Comprehensive Health Care System for Chronic Kidney Disease (CKD) Based on the Individual Risk Assessment by Specific Health Check
| | - Yugo Shibagaki
- Steering Committee of Research on Design of the Comprehensive Health Care System for Chronic Kidney Disease (CKD) Based on the Individual Risk Assessment by Specific Health Check
| | - Kunitoshi Iseki
- Steering Committee of Research on Design of the Comprehensive Health Care System for Chronic Kidney Disease (CKD) Based on the Individual Risk Assessment by Specific Health Check
| | - Toshiki Moriyama
- Steering Committee of Research on Design of the Comprehensive Health Care System for Chronic Kidney Disease (CKD) Based on the Individual Risk Assessment by Specific Health Check
| | - Masahide Kondo
- Steering Committee of Research on Design of the Comprehensive Health Care System for Chronic Kidney Disease (CKD) Based on the Individual Risk Assessment by Specific Health Check
| | - Tsuyoshi Watanabe
- Steering Committee of Research on Design of the Comprehensive Health Care System for Chronic Kidney Disease (CKD) Based on the Individual Risk Assessment by Specific Health Check
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100
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Araújo AC, Tang X, Haeggström JZ. Targeting cysteinyl-leukotrienes in abdominal aortic aneurysm. Prostaglandins Other Lipid Mediat 2018; 139:24-28. [PMID: 30248405 DOI: 10.1016/j.prostaglandins.2018.09.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 08/21/2018] [Accepted: 09/20/2018] [Indexed: 12/12/2022]
Abstract
Abdominal aortic aneurysm (AAA) is an asymptomatic dilatation of the vessel wall exceeding the normal vessel diameter by 50%, accompanied by intramural thrombus formation. Since the aneurysm can rupture, AAA is a life-threatening vascular disease, which may be amenable to surgical repair. At present, no pharmacological therapy for AAA is available. The 5-lipoxygenase (5-LOX) pathway of arachidonic acid metabolism leads to biosynthesis of leukotrienes (LTs), potent lipid mediators with pro-inflammatory biological actions. Among the LTs, cysteinyl-leukotrienes (cys-LT) are well-recognized signaling molecules in human asthma and allergic rhinitis. However, the effects of these molecules in cardiovascular diseases have only recently been explored. Drugs antagonizing the CysLT1 receptor, termed lukasts and typified by montelukast, are established therapeutics for clinical management of asthma. Lukasts are safe, well-tolerated drugs that can be administered during long time periods. Here we describe recent data indicating that montelukast may be used for prevention and treatment of AAA, thus representing a promising pharmacological tool for a deadly vascular disease with significant socio-economic impact.
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Affiliation(s)
- Ana Carolina Araújo
- Division of Chemistry II, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, S-171 65 Solna, Sweden
| | - Xiao Tang
- Division of Chemistry II, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, S-171 65 Solna, Sweden
| | - Jesper Z Haeggström
- Division of Chemistry II, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, S-171 65 Solna, Sweden.
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