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Lin Z, Zhao M, Zhang X, Piao J, Zheng X, Shu S, Zhao L, Zhang M, Shi GP, Lei Y, Cui R, Yue X, Cheng XW. CD8+ T-cell deficiency protects mice from abdominal aortic aneurysm formation in response to calcium chloride2. J Hypertens 2024:00004872-990000000-00520. [PMID: 39146540 DOI: 10.1097/hjh.0000000000003823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/17/2024]
Abstract
OBJECTIVE Abdominal aortic aneurysm (AAA) is an aneurysm-like dilated and highly fatal cardiovascular disease. CD8+ T cells have been shown to be critical for vascular pathological processes, but the contribution of these lymphocytes to vascular diseases remains elusive. METHODS AND RESULTS Eight-week-old male wildtype (CD8+/+) and Cd8a knockout (CD8-/-) mice were used in a calcium chloride2 (CaCl2)-induced experimental AAA model. At 6 weeks after surgery, CD8+ T-cell deletion prevented the formation of AAA, accompanied by reductions of the levels of inflammatory (interferon-γ [IFN-γ], interleukin-1β, monocyte chemoattractant protein-1, intracellular adhesion molecule-1, vascular cell adhesion molecule-1, NOD-like receptor protein 3, caspase-1), oxidative stress [NADPH oxidase and gp91phox], and proteolysis (cathepsin S, cathepsin K, matrix metalloproteinase-2 [MMP-2] and MMP-9) proteins and/or genes in plasma and/or AAA tissues. Immunoreactivities of MMP-2 and MMP-9 were observed in macrophages. An injection of IFN-γ and adoptive transfer of CD8+ T cells of IFN-γ+/+ mice diminished CD8-/--mediated vasculoprotective actions in the AAA mice. In vitro, IFN-γ enhanced MMP-2 and MMP-9 gelatinolytic activities in macrophage and/or vascular smooth muscle cells. CONCLUSION The vasculoprotective effects of CD8+ T-cell deletion in a mouse CaCl2-induced AAA model were likely attributable to, at least in part, the attenuation of IFN-γ-dependent inflammation action, oxidative stress production, and proteolysis, suggesting a novel therapeutic target for AAA formation by regulating CD8+ T-cell-derived IFN-γ secretion.
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Affiliation(s)
- Zhuo Lin
- Department of Cardiology and Hypertension, Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Yanbian University, Yanji, Jilin
| | - Mantong Zhao
- Department of Cardiology and Hypertension, Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital
| | - Xian Zhang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui
| | - Jinshun Piao
- Department of Cardiology and Hypertension, Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital
| | - Xintong Zheng
- Department of Cardiology and Hypertension, Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital
| | - Shangzhi Shu
- Department of Cardiovascular Disease, the First Hospital of Jilin University, Changchun, Jilin PR, China
| | - Longguo Zhao
- Department of Cardiology and Hypertension, Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital
| | - Meiping Zhang
- Department of Cardiology and Hypertension, Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital
| | - Guo-Ping Shi
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Yanna Lei
- Department of Cardiology and Hypertension, Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital
| | - Rihua Cui
- Department of Cardiology and Hypertension, Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital
| | - Xueling Yue
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Yanbian University, Yanji, Jilin
| | - Xian Wu Cheng
- Department of Cardiology and Hypertension, Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease, Yanbian University Hospital
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Yanbian University, Yanji, Jilin
- Department of Community Healthcare & Geriatrics, Nagoya University Graduate School of Medicine, Nagoya, Aichiken, Japan
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2
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Millar JK, Salmon M, Nasser E, Malik S, Kolli P, Lu G, Pinteaux E, Hawkins RB, Ailawadi G. Endothelial to mesenchymal transition in the interleukin-1 pathway during aortic aneurysm formation. J Thorac Cardiovasc Surg 2024; 167:e146-e158. [PMID: 37951532 PMCID: PMC11029391 DOI: 10.1016/j.jtcvs.2023.11.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 10/30/2023] [Accepted: 11/05/2023] [Indexed: 11/14/2023]
Abstract
OBJECTIVE Endothelial to mesenchymal transition may represent a key link between inflammatory stress and endothelial dysfunction seen in aortic aneurysm disease. Endothelial to mesenchymal transition is regulated by interleukin-1β, and previous work has demonstrated an essential role of interleukin-1 signaling in experimental aortic aneurysm models. We hypothesize that endothelial to mesenchymal transition is present in murine aortic aneurysms, and loss of interleukin-1 signaling attenuates this process. METHODS Murine aortic aneurysms were created in novel CDH5-Cre lineage tracking mice by treating the intact aorta with peri-adventitial elastase. Endothelial to mesenchymal transition transcription factors as well as endothelial and mesenchymal cell markers were analyzed via immunohistochemistry and immunofluorescence (n = 10/group). To determine the role of interleukin-1 signaling, endothelial-specific interleukin-1 receptor 1 knockout and wild-type mice (n = 10/group) were treated with elastase. Additionally, C57/BL6 mice were treated with the interleukin-1 receptor 1 antagonist Anakinra (n = 7) or vehicle (n = 8). RESULTS Elastase treatment yielded greater aortic dilation compared with controls (elastase 97.0% ± 34.0%; control 5.3% ± 4.8%; P < .001). Genetic deletion of interleukin-1 receptor 1 attenuated aortic dilation (control 126.7% ± 38.7%; interleukin-1 receptor 1 knockout 35.2% ± 14.7%; P < .001), as did pharmacologic inhibition of interleukin-1 receptor 1 with Anakinra (vehicle 146.3% ± 30.1%; Anakinra 63.5% ± 23.3%; P < .001). Elastase treatment resulted in upregulation of endothelial to mesenchymal transition transcription factors (Snail, Slug, Twist, ZNF) and mesenchymal cell markers (S100, alpha smooth muscle actin) and loss of endothelial cell markers (vascular endothelial cadherin, endothelial nitric oxide synthase, von Willebrand factor). These changes were attenuated by interleukin-1 receptor 1 knockout and Anakinra treatment. CONCLUSIONS Endothelial to mesenchymal transition occurs in aortic aneurysm disease and is attenuated by loss of interleukin-1 signaling. Endothelial dysfunction through endothelial to mesenchymal transition represents a new and novel pathway in understanding aortic aneurysm disease and may be a potential target for future treatment.
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Affiliation(s)
- Jessica K Millar
- Department of Surgery, University of Michigan, Ann Arbor, Mich; Department of Cardiac Surgery, University of Michigan, Ann Arbor, Mich
| | - Morgan Salmon
- Department of Cardiac Surgery, University of Michigan, Ann Arbor, Mich
| | | | | | | | - Guanyi Lu
- Department of Surgery, University of Florida, Gainesville, Fla
| | - Emmanuel Pinteaux
- Division of Neuroscience, University of Manchester, Manchester, United Kingdom
| | - Robert B Hawkins
- Department of Cardiac Surgery, University of Michigan, Ann Arbor, Mich
| | - Gorav Ailawadi
- Department of Cardiac Surgery, University of Michigan, Ann Arbor, Mich.
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3
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Li J, Liu Y, Wei Z, Cheng J, Wu Y. The occurrence and development of abdominal aortic aneurysm may be related to the energy metabolism disorder and local inflammation. Heliyon 2024; 10:e27912. [PMID: 38496900 PMCID: PMC10944252 DOI: 10.1016/j.heliyon.2024.e27912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 03/01/2024] [Accepted: 03/08/2024] [Indexed: 03/19/2024] Open
Abstract
Background The cellular mechanism of the formation of abdominal aortic aneurysm (AAA) is very complicated. A series of sophisticated events eventually led to significant pathological changes in the anatomical structure and function of the arterial wall and they are still not clear nowadays. Methods We pooled publicly available GEO datasets (GSE57691 and GSE47472) to get a comprehensive comparisons between normal tissues and AAA tissues to try to reveal molecular mechanism underlying the disease. Total 63 AAA samples and 18 normal tissue samples were compared and we fond that there were 784 significantly different gene (DEGs, threshold set as adjusted P < 0.05 and Log FC < 1) were identified. At the same time, we validate the possible signaling factor expression of AAA by comparing the normal tissue of the human body with the AAA tissue. Results In the pathway enrichment, we found that FOXP3 related signaling pathways, inflammation-related cytokine signaling pathways, interleukin-8-CXCR1 related signaling pathways and VEGFA and FGFR1 related signal pathway were significantly enrichmented. In Weighted gene co-expression network analysis (WGCNA), we found that the key hub genes were significantly related to lipid catabolic metabolism, which further verified the possibility that AAA might relate to energy metabolism disorders. Conclusion Based on the comprehensive analysis of previous high-throughput data and the validation of basic experiments, we found that the occurrence of AAA may be related to energy metabolism disorders and local inflammation.
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Affiliation(s)
- Jun Li
- Department of Endovascular and Vascular Surgery, The Affiliated Hospital of Changchun University of Chinese Medicine, Changchun, China
| | - Yang Liu
- Department of Urology, The Affiliated Hospital of Changchun University of Chinese Medicine, Changchun, China
| | - Zhitao Wei
- Department of Urology, The Affiliated Hospital of Changchun University of Chinese Medicine, Changchun, China
| | - Jie Cheng
- Department of Interventional and Vascular Surgery, Tenth People's Hospital of Tongji University, Shanghai, China
| | - Yongfa Wu
- Department of Interventional and Vascular Surgery, Tenth People's Hospital of Tongji University, Shanghai, China
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Domagała D, Data K, Szyller H, Farzaneh M, Mozdziak P, Woźniak S, Zabel M, Dzięgiel P, Kempisty B. Cellular, Molecular and Clinical Aspects of Aortic Aneurysm-Vascular Physiology and Pathophysiology. Cells 2024; 13:274. [PMID: 38334666 PMCID: PMC10854611 DOI: 10.3390/cells13030274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 01/27/2024] [Accepted: 01/30/2024] [Indexed: 02/10/2024] Open
Abstract
A disturbance of the structure of the aortic wall results in the formation of aortic aneurysm, which is characterized by a significant bulge on the vessel surface that may have consequences, such as distention and finally rupture. Abdominal aortic aneurysm (AAA) is a major pathological condition because it affects approximately 8% of elderly men and 1.5% of elderly women. The pathogenesis of AAA involves multiple interlocking mechanisms, including inflammation, immune cell activation, protein degradation and cellular malalignments. The expression of inflammatory factors, such as cytokines and chemokines, induce the infiltration of inflammatory cells into the wall of the aorta, including macrophages, natural killer cells (NK cells) and T and B lymphocytes. Protein degradation occurs with a high expression not only of matrix metalloproteinases (MMPs) but also of neutrophil gelatinase-associated lipocalin (NGAL), interferon gamma (IFN-γ) and chymases. The loss of extracellular matrix (ECM) due to cell apoptosis and phenotype switching reduces tissue density and may contribute to AAA. It is important to consider the key mechanisms of initiating and promoting AAA to achieve better preventative and therapeutic outcomes.
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Affiliation(s)
- Dominika Domagała
- Division of Anatomy, Department of Human Morphology and Embryology, Wroclaw Medical University, 50-368 Wroclaw, Poland; (D.D.); (K.D.); (H.S.); (S.W.)
| | - Krzysztof Data
- Division of Anatomy, Department of Human Morphology and Embryology, Wroclaw Medical University, 50-368 Wroclaw, Poland; (D.D.); (K.D.); (H.S.); (S.W.)
| | - Hubert Szyller
- Division of Anatomy, Department of Human Morphology and Embryology, Wroclaw Medical University, 50-368 Wroclaw, Poland; (D.D.); (K.D.); (H.S.); (S.W.)
| | - Maryam Farzaneh
- Fertility, Infertility and Perinatology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran;
| | - Paul Mozdziak
- Prestage Department of Poultry Science, North Carolina State University, Raleigh, NC 27607, USA;
- Physiology Graduate Faculty, North Carolina State University, Raleigh, NC 27613, USA
| | - Sławomir Woźniak
- Division of Anatomy, Department of Human Morphology and Embryology, Wroclaw Medical University, 50-368 Wroclaw, Poland; (D.D.); (K.D.); (H.S.); (S.W.)
| | - Maciej Zabel
- Division of Histology and Embryology, Department of Human Morphology and Embryology, Wroclaw Medical University, 50-368 Wroclaw, Poland; (M.Z.); (P.D.)
- Division of Anatomy and Histology, University of Zielona Góra, 65-046 Zielona Góra, Poland
| | - Piotr Dzięgiel
- Division of Histology and Embryology, Department of Human Morphology and Embryology, Wroclaw Medical University, 50-368 Wroclaw, Poland; (M.Z.); (P.D.)
- Department of Physiotherapy, University School of Physical Education, 51-612 Wroclaw, Poland
| | - Bartosz Kempisty
- Division of Anatomy, Department of Human Morphology and Embryology, Wroclaw Medical University, 50-368 Wroclaw, Poland; (D.D.); (K.D.); (H.S.); (S.W.)
- Physiology Graduate Faculty, North Carolina State University, Raleigh, NC 27613, USA
- Institute of Veterinary Medicine, Nicolaus Copernicus University, 87-100 Torun, Poland
- Department of Obstetrics and Gynecology, University Hospital and Masaryk University, 602 00 Brno, Czech Republic
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Kazaleh M, Gioscia-Ryan R, Ailawadi G, Salmon M. Oxidative Stress and the Pathogenesis of Aortic Aneurysms. Biomedicines 2023; 12:3. [PMID: 38275364 PMCID: PMC10813769 DOI: 10.3390/biomedicines12010003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 12/13/2023] [Accepted: 12/15/2023] [Indexed: 01/27/2024] Open
Abstract
Aortic aneurysms are responsible for significant morbidity and mortality. Despite their clinical significance, there remain critical knowledge gaps in the pathogenesis of aneurysm disease and the mechanisms involved in aortic rupture. Recent studies have drawn attention to the role of reactive oxygen species (ROS) and their down-stream effectors in chronic cardiovascular diseases and specifically in the pathogenesis of aortic aneurysm formation. This review will discuss current mechanisms of ROS in mediating aortic aneurysms, the failure of endogenous antioxidant systems in chronic vascular diseases, and their relation to the development of aortic aneurysms.
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Affiliation(s)
- Matthew Kazaleh
- Department of Cardiac Surgery, Michigan Medicine, University of Michigan, Ann Arbor, MI 48109, USA; (M.K.); (G.A.)
| | - Rachel Gioscia-Ryan
- Department of Anesthesiology, Michigan Medicine, University of Michigan, Ann Arbor, MI 48109, USA;
| | - Gorav Ailawadi
- Department of Cardiac Surgery, Michigan Medicine, University of Michigan, Ann Arbor, MI 48109, USA; (M.K.); (G.A.)
- Frankel Cardiovascular Center, Michigan Medicine, University of Michigan, Ann Arbor, MI 48109, USA
| | - Morgan Salmon
- Department of Cardiac Surgery, Michigan Medicine, University of Michigan, Ann Arbor, MI 48109, USA; (M.K.); (G.A.)
- Frankel Cardiovascular Center, Michigan Medicine, University of Michigan, Ann Arbor, MI 48109, USA
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6
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Lu Y, Sun Y, Saaoud F, Shao Y, Xu K, Jiang X, Wu S, Yu J, Snyder NW, Yang L, Shi XM, Zhao H, Wang H, Yang X. ER stress mediates Angiotensin II-augmented innate immunity memory and facilitates distinct susceptibilities of thoracic from abdominal aorta to aneurysm development. Front Immunol 2023; 14:1268916. [PMID: 37731512 PMCID: PMC10507336 DOI: 10.3389/fimmu.2023.1268916] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 08/14/2023] [Indexed: 09/22/2023] Open
Abstract
To determine the roles of endoplasmic reticulum (ER) stress and trained immunity, we performed transcriptome analyses on the thoracic aorta (TA) and abdominal aorta (AA) from the angiotensin II (Ang II)-HFD-ApoE-KO aneurysm model and made significant findings: 1) Ang II bypassed HFD-induced metabolic reprogramming and induced stronger inflammation in AA than in TA; 2) Ang II and HFD upregulated 890 genes in AA versus TA and induced cytokine signaling; 3) Ang II AA and TA upregulated 73 and 68 cytokines, scRNA-Seq identified markers of macrophages and immune cells, cell death regulators, respectively; transdifferentiation markers of neuron, glial, and squamous epithelial cells were upregulated by Ang II-AA and TA; and pyroptosis signaling with IL-1β and caspase-4 were more upregulated in Ang II-AA than in TA; 4) Six upregulated transcriptomes in patients with AAA, Ang II AA, Ang II TA, additional aneurysm models, PPE-AAA and BAPN-Ang II-AAA, were partially overlapped with 10 lists of new ER stress gene sets including 3 interaction protein lists of ER stress regulators ATF6, PERK, and IRE1, HPA ER localization genes, KEGG signal genes, XBP1 transcription targets, ATF4 (PERK) targets, ATF6 targets, thapsigargin ER stress genes, tunicamycin-ER stress genes, respectively; 5) Ang II-AA and TA upregulated ROS regulators, MitoCarta genes, trained immunity genes, and glycolysis genes; and 6) Gene KO transcriptomes indicated that ATF6 and PERK played more significant roles than IRE1 in promoting AAA and trained immunity whereas antioxidant NRF2 inhibited them. Our unprecedented ER-focused transcriptomic analyses have provided novel insights on the roles of ER as an immune organelle in sensing various DAMPs and initiating ER stress that triggers Ang II-accelerated trained immunity and differs susceptibilities of thoracic and abdominal aortas to diseases.
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Affiliation(s)
- Yifan Lu
- Centers of Cardiovascular Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Yu Sun
- Centers of Cardiovascular Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Fatma Saaoud
- Centers of Cardiovascular Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Ying Shao
- Centers of Cardiovascular Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Keman Xu
- Centers of Cardiovascular Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Xiaohua Jiang
- Centers of Cardiovascular Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
- Metabolic Disease Research and Thrombosis Research Center, Departments of Cardiovascular Sciences, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Sheng Wu
- Metabolic Disease Research and Thrombosis Research Center, Departments of Cardiovascular Sciences, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Jun Yu
- Metabolic Disease Research and Thrombosis Research Center, Departments of Cardiovascular Sciences, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Nathaniel W. Snyder
- Metabolic Disease Research and Thrombosis Research Center, Departments of Cardiovascular Sciences, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Ling Yang
- Medical Genetics and Molecular Biochemistry, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Xinghua Mindy Shi
- Department of Computer and Information Sciences, College of Science and Technology, Temple University, Philadelphia, PA, United States
| | - Huaqing Zhao
- Biomedical Education and Data Sciences, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Hong Wang
- Metabolic Disease Research and Thrombosis Research Center, Departments of Cardiovascular Sciences, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Xiaofeng Yang
- Centers of Cardiovascular Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
- Metabolic Disease Research and Thrombosis Research Center, Departments of Cardiovascular Sciences, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
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Puertas-Umbert L, Almendra-Pegueros R, Jiménez-Altayó F, Sirvent M, Galán M, Martínez-González J, Rodríguez C. Novel pharmacological approaches in abdominal aortic aneurysm. Clin Sci (Lond) 2023; 137:1167-1194. [PMID: 37559446 PMCID: PMC10415166 DOI: 10.1042/cs20220795] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 07/05/2023] [Accepted: 07/28/2023] [Indexed: 08/11/2023]
Abstract
Abdominal aortic aneurysm (AAA) is a severe vascular disease and a major public health issue with an unmet medical need for therapy. This disease is featured by a progressive dilation of the abdominal aorta, boosted by atherosclerosis, ageing, and smoking as major risk factors. Aneurysm growth increases the risk of aortic rupture, a life-threatening emergency with high mortality rates. Despite the increasing progress in our knowledge about the etiopathology of AAA, an effective pharmacological treatment against this disorder remains elusive and surgical repair is still the unique available therapeutic approach for high-risk patients. Meanwhile, there is no medical alternative for patients with small aneurysms but close surveillance. Clinical trials assessing the efficacy of antihypertensive agents, statins, doxycycline, or anti-platelet drugs, among others, failed to demonstrate a clear benefit limiting AAA growth, while data from ongoing clinical trials addressing the benefit of metformin on aneurysm progression are eagerly awaited. Recent preclinical studies have postulated new therapeutic targets and pharmacological strategies paving the way for the implementation of future clinical studies exploring these novel therapeutic strategies. This review summarises some of the most relevant clinical and preclinical studies in search of new therapeutic approaches for AAA.
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Affiliation(s)
- Lídia Puertas-Umbert
- Institut d’Investigació Biomèdica Sant Pau (IIB SANT PAU), Barcelona, Spain
- CIBER de Enfermedades Cardiovasculares, ISCIII, Madrid, Spain
| | | | - Francesc Jiménez-Altayó
- Department of Pharmacology, Therapeutics and Toxicology, School of Medicine, Universitat Autònoma de Barcelona, Barcelona, Spain
- Neuroscience Institute, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Marc Sirvent
- CIBER de Enfermedades Cardiovasculares, ISCIII, Madrid, Spain
- Departamento de Angiología y Cirugía Vascular del Hospital Universitari General de Granollers, Granollers, Barcelona, Spain
| | - María Galán
- Institut d’Investigació Biomèdica Sant Pau (IIB SANT PAU), Barcelona, Spain
- CIBER de Enfermedades Cardiovasculares, ISCIII, Madrid, Spain
- Departamento de Ciencias Básicas de la Salud, Universidad Rey Juan Carlos, Alcorcón, Spain
| | - José Martínez-González
- Institut d’Investigació Biomèdica Sant Pau (IIB SANT PAU), Barcelona, Spain
- CIBER de Enfermedades Cardiovasculares, ISCIII, Madrid, Spain
- Instituto de Investigaciones Biomédicas de Barcelona (IIBB-CSIC), Barcelona, Spain
| | - Cristina Rodríguez
- Institut d’Investigació Biomèdica Sant Pau (IIB SANT PAU), Barcelona, Spain
- CIBER de Enfermedades Cardiovasculares, ISCIII, Madrid, Spain
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8
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Rodríguez-Rovira I, López-Sainz A, Palomo-Buitrago ME, Pérez B, Jiménez-Altayó F, Campuzano V, Egea G. Hyperuricaemia Does Not Interfere with Aortopathy in a Murine Model of Marfan Syndrome. Int J Mol Sci 2023; 24:11293. [PMID: 37511051 PMCID: PMC10379183 DOI: 10.3390/ijms241411293] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 06/30/2023] [Accepted: 07/07/2023] [Indexed: 07/30/2023] Open
Abstract
Redox stress is involved in the aortic aneurysm pathogenesis in Marfan syndrome (MFS). We recently reported that allopurinol, a xanthine oxidoreductase inhibitor, blocked aortopathy in a MFS mouse model acting as an antioxidant without altering uric acid (UA) plasma levels. Hyperuricaemia is ambiguously associated with cardiovascular injuries as UA, having antioxidant or pro-oxidant properties depending on the concentration and accumulation site. We aimed to evaluate whether hyperuricaemia causes harm or relief in MFS aortopathy pathogenesis. Two-month-old male wild-type (WT) and MFS mice (Fbn1C1041G/+) were injected intraperitoneally for several weeks with potassium oxonate (PO), an inhibitor of uricase (an enzyme that catabolises UA to allantoin). Plasma UA and allantoin levels were measured via several techniques, aortic root diameter and cardiac parameters by ultrasonography, aortic wall structure by histopathology, and pNRF2 and 3-NT levels by immunofluorescence. PO induced a significant increase in UA in blood plasma both in WT and MFS mice, reaching a peak at three and four months of age but decaying at six months. Hyperuricaemic MFS mice showed no change in the characteristic aortic aneurysm progression or aortic wall disarray evidenced by large elastic laminae ruptures. There were no changes in cardiac parameters or the redox stress-induced nuclear translocation of pNRF2 in the aortic tunica media. Altogether, the results suggest that hyperuricaemia interferes neither with aortopathy nor cardiopathy in MFS mice.
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Affiliation(s)
- Isaac Rodríguez-Rovira
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of Barcelona, 08036 Barcelona, Spain
| | - Angela López-Sainz
- Department of Cardiology, Hospital Clínic de Barcelona, IDIBAPS, 08036 Barcelona, Spain
| | | | - Belen Pérez
- Department of Pharmacology, School of Medicine, Autonomous University of Barcelona, Bellaterra, 08192 Barcelona, Spain
| | - Francesc Jiménez-Altayó
- Department of Pharmacology, School of Medicine, Autonomous University of Barcelona, Bellaterra, 08192 Barcelona, Spain
| | - Victoria Campuzano
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of Barcelona, 08036 Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), ISCIII, 28029 Madrid, Spain
| | - Gustavo Egea
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of Barcelona, 08036 Barcelona, Spain
- UZA/UA Center of Medical Genetics, University of Antwerp, 2650 Edegem, Belgium
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Smooth Muscle Cells from a Rat Model of Obesity and Hyperleptinemia Are Partially Resistant to Leptin-Induced Reactive Oxygen Species Generation. Antioxidants (Basel) 2023; 12:antiox12030728. [PMID: 36978976 PMCID: PMC10045401 DOI: 10.3390/antiox12030728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/05/2023] [Accepted: 03/11/2023] [Indexed: 03/18/2023] Open
Abstract
The aim of this study was to evaluate the effect of leptin on reactive oxygen species’ (ROS) generation of smooth muscle cells (SMCs) from a rat model of obesity and hyperleptinemia. Obesity and hyperleptinemia were induced in rats by a sucrose-based diet for 24 weeks. ROS generation was detected by using dichloro-dihydrofluorescein (DCF), a fluorescent ROS probe in primary SMCs culture. An increase in plasma leptin and oxidative stress markers was observed in sucrose-fed (SF) rats. At baseline SMCs from SF rats showed a more than twofold increase in fluorescence intensity (FI) compared to that obtained in control (C) cells. When the C cells were treated with 20 ng leptin, the FI increased by about 200%, whereas the leptin-induced FI in the SF cells increased only by 60%. In addition, sucrose feeding increased the levels of p22phox and gp91phox, subunits of Nox as an O2•− source in SMCs. Treatment of cells with leptin significantly increased p22phox and gp91phox levels in C cells and did not affect SF cells. Regarding STAT3 phosphorylation and the content of PTP1B and SOCS3 as protein markers of leptin resistance, they were found to be significantly increased in SF cells. These results suggest that SF aortic SMCs are partially resistant to leptin-induced ROS generation.
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Millar J, Nasser E, Ailawadi G, Salmon M. IL-1 in Abdominal Aortic Aneurysms. JOURNAL OF CELLULAR IMMUNOLOGY 2023; 5:22-31. [PMID: 37476160 PMCID: PMC10357974 DOI: 10.33696/immunology.5.163] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 07/22/2023]
Abstract
Abdominal Aortic Aneurysms (AAA) remain a clinically devastating disease with no effective medical treatment therapy. AAAs are characterized by immune cell infiltration, smooth muscle cell apoptosis, and extracellular matrix degradation. Interleukin-1 (IL-1) has been shown to play role in AAA associated inflammation through immune cell recruitment and activation, endothelial dysfunction, production of reactive oxygen species (ROS), and regulation of transcription factors of additional inflammatory mediators. In this review, we will discuss the principles of IL-1 signaling, its role in AAA specific inflammation, and regulators of IL-1 signaling. Additionally, we will discuss the influence of genetic and pharmacological inhibitors of IL-1 on experimental AAAs. Evidence suggests that IL-1 may prove to be a potential therapeutic target in the management of AAA disease.
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Affiliation(s)
- Jessica Millar
- Department of Surgery, Michigan Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Elias Nasser
- Department of Cardiac Surgery, Michigan Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Gorav Ailawadi
- Department of Cardiac Surgery, Michigan Medicine, University of Michigan, Ann Arbor, Michigan, USA
- Frankel Cardiovascular Center, University of Michigan School of Medicine, Ann Arbor, Michigan, USA
| | - Morgan Salmon
- Department of Cardiac Surgery, Michigan Medicine, University of Michigan, Ann Arbor, Michigan, USA
- Frankel Cardiovascular Center, University of Michigan School of Medicine, Ann Arbor, Michigan, USA
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Towards Precritical Medical Therapy of the Abdominal Aortic Aneurysm. Biomedicines 2022; 10:biomedicines10123066. [PMID: 36551822 PMCID: PMC9775372 DOI: 10.3390/biomedicines10123066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 11/23/2022] [Accepted: 11/24/2022] [Indexed: 11/30/2022] Open
Abstract
Pharmacotherapy for abdominal aortic aneurysm (AAA) can be useful for prevention, especially in people at higher risk, for slowing down AAA progression, as well as for post-surgery adjuvant treatment. Our review focuses on novel pharmacotherapy approaches targeted towards slowing down progression of AAA, known also as secondary prevention therapy. Guidelines for AAA are not specific to slow down the expansion rate of an abdominal aortic aneurysm, and therefore no medical therapy is recommended. New ideas are urgently needed to develop a novel medical therapy. We are hopeful that in the future, pharmacologic treatment will play a key role in the prevention and treatment of AAA.
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