1
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Shridas P, Ji A, Trumbauer AC, Noffsinger VP, Meredith LW, de Beer FC, Mullick AE, Webb NR, Karounos DG, Tannock LR. Antisense oligonucleotide targeting hepatic Serum Amyloid A limits the progression of angiotensin II-induced abdominal aortic aneurysm formation. Atherosclerosis 2024; 391:117492. [PMID: 38461759 PMCID: PMC11006562 DOI: 10.1016/j.atherosclerosis.2024.117492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 02/07/2024] [Accepted: 02/23/2024] [Indexed: 03/12/2024]
Abstract
BACKGROUND AND AIMS Obesity increases the risk for abdominal aortic aneurysms (AAA) in humans and enhances angiotensin II (AngII)-induced AAA formation in C57BL/6 mice. We reported that deficiency of Serum Amyloid A (SAA) significantly reduces AngII-induced inflammation and AAA in both hyperlipidemic apoE-deficient and obese C57BL/6 mice. The aim of this study is to investigate whether SAA plays a role in the progression of early AAA in obese C57BL/6 mice. METHODS Male C57BL/6J mice were fed a high-fat diet (60% kcal as fat) throughout the study. After 4 months of diet, the mice were infused with AngII until the end of the study. Mice with at least a 25% increase in the luminal diameter of the abdominal aorta after 4 weeks of AngII infusion were stratified into 2 groups. The first group received a control antisense oligonucleotide (Ctr ASO), and the second group received ASO that suppresses SAA (SAA-ASO) until the end of the study. RESULTS Plasma SAA levels were significantly reduced by the SAA ASO treatment. While mice that received the control ASO had continued aortic dilation throughout the AngII infusion periods, the mice that received SAA-ASO had a significant reduction in the progression of aortic dilation, which was associated with significant reductions in matrix metalloprotease activities, decreased macrophage infiltration and decreased elastin breaks in the abdominal aortas. CONCLUSIONS We demonstrate for the first time that suppression of SAA protects obese C57BL/6 mice from the progression of AngII-induced AAA. Suppression of SAA may be a therapeutic approach to limit AAA progression.
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Affiliation(s)
- Preetha Shridas
- Department of Internal Medicine, University of Kentucky, Lexington, 40536, Kentucky, USA; Saha Cardiovascular Research Center, University of Kentucky, Lexington, 40536, Kentucky, USA.
| | - Ailing Ji
- Saha Cardiovascular Research Center, University of Kentucky, Lexington, 40536, Kentucky, USA
| | - Andrea C Trumbauer
- Saha Cardiovascular Research Center, University of Kentucky, Lexington, 40536, Kentucky, USA
| | - Victoria P Noffsinger
- Saha Cardiovascular Research Center, University of Kentucky, Lexington, 40536, Kentucky, USA
| | - Luke W Meredith
- Saha Cardiovascular Research Center, University of Kentucky, Lexington, 40536, Kentucky, USA
| | - Frederick C de Beer
- Department of Internal Medicine, University of Kentucky, Lexington, 40536, Kentucky, USA; Saha Cardiovascular Research Center, University of Kentucky, Lexington, 40536, Kentucky, USA
| | | | - Nancy R Webb
- Saha Cardiovascular Research Center, University of Kentucky, Lexington, 40536, Kentucky, USA; Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, 40536, Kentucky, USA
| | - Dennis G Karounos
- Department of Internal Medicine, University of Kentucky, Lexington, 40536, Kentucky, USA; Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, 40536, Kentucky, USA; Department of Veterans Affairs, Lexington, 40536, Kentucky, USA
| | - Lisa R Tannock
- Department of Internal Medicine, University of Kentucky, Lexington, 40536, Kentucky, USA; Saha Cardiovascular Research Center, University of Kentucky, Lexington, 40536, Kentucky, USA
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2
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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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Li Y, Li R, Li Y, Li G, Zhao Y, Mou H, Chen Y, Xiao L, Gong K. Transcription Factor TCF3 Promotes Macrophage-Mediated Inflammation and MMP Secretion in Abdominal Aortic Aneurysm by Regulating miR-143-5p /CCL20. J Cardiovasc Pharmacol 2023; 82:458-469. [PMID: 37721971 PMCID: PMC10691663 DOI: 10.1097/fjc.0000000000001484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 08/28/2023] [Indexed: 09/20/2023]
Abstract
ABSTRACT Damage to the abdominal aortic wall and the local inflammatory response are key factors resulting in abdominal aortic aneurysm (AAA) formation. During this process, macrophage polarization plays a key role. However, in AAA, the regulatory mechanism of macrophages is still unclear, and further research is needed. In this study, we found that the transcription factor TCF3 was expressed at low levels in AAA. We overexpressed TCF3 and found that TCF3 could inhibit MMP and inflammatory factor expression and promote M2 macrophage polarization, thereby inhibiting the progression of AAA. Knocking down TCF3 could promote M1 polarization and MMP and inflammatory factor expression. In addition, we found that TCF3 increased miR-143-5p expression through transcriptional activation of miR-143-5p , which further inhibited expression of the downstream chemokine CCL20 and promoted M2 macrophage polarization. Our research indicates that TCF3-mediated macrophage polarization plays a key regulatory role in AAA, complementing the role and mechanism of macrophages in the occurrence and development of AAA and providing a scientific basis for AAA treatment.
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Affiliation(s)
- Yuejin Li
- Department of General Surgery, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Rougang Li
- Department of General Surgery, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Yu Li
- Department of General Surgery, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Guosan Li
- Department of General Surgery, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Yiman Zhao
- Department of General Surgery, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Houyu Mou
- Department of General Surgery, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Yi Chen
- Department of General Surgery, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Le Xiao
- Department of General Surgery, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Kunmei Gong
- Department of General Surgery, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
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Yong J, Wang R, Song F, Wang T. The protective effects of pirfenidone in preventing abdominal aortic aneurysm formation. J Biochem Mol Toxicol 2023; 37:e23514. [PMID: 37691532 DOI: 10.1002/jbt.23514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 07/07/2023] [Accepted: 08/17/2023] [Indexed: 09/12/2023]
Abstract
Vascular endothelial growth factor (VEGF)-mediated angiogenesis participates in the initiation and progression of abdominal aortic aneurysm (AAA). Pirfenidone is a compound that has anti-inflammatory and antioxidant properties and suppresses angiogenesis. Pirfenidone targets the extracellular matrix (ECM) and has therapeutic effects on fibrotic diseases. Therefore, we speculated that pirfenidone might have meaningful therapeutic effects in AAA, and the current study was designed to investigate this capacity. An AAA model was constructed in mice using a long-term injection of angiotensin II (Ang II), followed by a 28-day administration of 200 mg/kg/day pirfenidone. Increased maximal external diameter of the abdominal artery, promoted levels of VEGF-A and its receptor VEGF-R2, upregulated matrix metallopeptidases (MMP)-2 and MMP-9, and elevated release of pro-inflammatory cytokines were observed in AAA mice, which were extremely repressed by 200 mg/kg pirfenidone. Human aortic endothelial cells (HAECs) were stimulated with Ang II for 1 day, in the presence or absence of pirfenidone (100 nM). Elevated expression of VEGF-A and VEGF-R2, facilitated proliferation, increased tube formation ability, and upregulated MMP-2 and MMP-9 were observed in Ang II-stimulated HAECs, all of which were significantly rescued by 100 nM pirfenidone. Finally, the elevated levels of myeloid differentiation primary response 88 and phosphorylated nuclear factor-kappa-B subunit p65 observed in Ang II-stimulated HAECs were repressed by pirfenidone. Collectively, pirfenidone alleviated AAA by inhibiting ECM degradation and ameliorating endothelial dysfunction.
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Affiliation(s)
- Jun Yong
- Department of Vascular Surgery, Yantai Yuhuangding Hospital, Yantai, Shandong, China
| | - Rui Wang
- Department of Vascular Surgery, Yantai Yuhuangding Hospital, Yantai, Shandong, China
| | - Fubo Song
- Department of Medical Records Room, Yantai Yuhuangding Hospital, Yantai, Shandong, China
| | - Tao Wang
- Department of Vascular Surgery, Yantai Yuhuangding Hospital, Yantai, Shandong, China
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Shridas P, Ji A, Trumbauer AC, Noffsinger VP, Meredith LW, de Beer FC, Mullick AE, Webb NR, Karounos DG, Tannock LR. Antisense Oligonucleotide Targeting Hepatic Serum Amyloid A Limits the Progression of Angiotensin II-Induced Abdominal Aortic Aneurysm Formation. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.22.554377. [PMID: 37662383 PMCID: PMC10473661 DOI: 10.1101/2023.08.22.554377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/05/2023]
Abstract
OBJECTIVE Obesity increases the risk for abdominal aortic aneurysms (AAA) in humans and enhances angiotensin II (AngII)-induced AAA formation in C57BL/6 mice. Obesity is also associated with increases in serum amyloid A (SAA). We previously reported that deficiency of SAA significantly reduces AngII-induced inflammation and AAA in both hyperlipidemic apoE-deficient and obese C57BL/6 mice. In this study, we investigated whether SAA plays a role in the progression of early AAA in obese C57BL/6 mice. APPROACH AND RESULTS Male C57BL/6J mice were fed a high-fat diet (60% kcal as fat) throughout the study. After 4 months of diet, the mice were infused with angiotensin II (AngII) until the end of the study. Mice with at least a 25% increase in the luminal diameter of the abdominal aorta after 4 weeks of AngII infusion were stratified into 2 groups. The first group received a control antisense oligonucleotide (Ctr ASO), and the second group received ASO that suppresses SAA (SAA-ASO) until the end of the study. Plasma SAA levels were significantly reduced by the SAA ASO treatment. While mice that received the control ASO had continued aortic dilation throughout the AngII infusion periods, the mice that received SAA-ASO had a significant reduction in the progression of aortic dilation, which was associated with significant reductions in matrix metalloprotease activities, decreased macrophage infiltration and decreased elastin breaks in the abdominal aortas. CONCLUSION We demonstrate for the first time that suppression of SAA protects obese C57BL/6 mice from the progression of AngII-induced AAA. Suppression of SAA may be a therapeutic approach to limit AAA progression.
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7
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Wu Z, Liu S, Yang Z, Meng X, An Y, Zhang H. Study on the correlation between gene polymorphisms of adiponectin and resistin levels and abdominal aortic aneurysm. Clinics (Sao Paulo) 2023; 78:100298. [PMID: 37897936 PMCID: PMC10630606 DOI: 10.1016/j.clinsp.2023.100298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 09/18/2023] [Accepted: 10/06/2023] [Indexed: 10/30/2023] Open
Abstract
OBJECTIVES Abdominal Aortic Aneurysm (AAA) is a complex disease with both genetic and environmental risk factors. This study aimed to examine the potential association of the +276G/T and -420C>G polymorphisms in the resistin gene with AAA susceptibility and progression. METHOD We performed a retrospective study involving AAA patients and healthy controls, assessing the distribution of the +276G/T and -420C>G genotypes in both groups. Hardy-Weinberg equilibrium was assessed for both polymorphisms. Logistic regression was used to explore the influence of these genotypes on AAA occurrence and progression, adjusting for relevant confounders. RESULTS The distribution of +276G/T polymorphism did not significantly differ between AAA patients and controls. Conversely, a significant difference was observed in the genotype distribution of -420C>G polymorphism between the two groups. The CC genotype and CC/CG genotypes of -420C>G polymorphism were found to be associated with an increased risk and progression of AAA. CONCLUSIONS The -420C>G polymorphism, particularly the CC genotype and CC/CG genotypes, might play a substantial role in AAA susceptibility and progression. The present findings underscore the need for further investigations to confirm these associations and fully elucidate the role of the resistin gene in AAA.
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Affiliation(s)
- Zhongyin Wu
- Department of Vascular Surgery, Affiliated Hospital of Chengde Medical University, Chengde, Hebei, China
| | - Shuangqing Liu
- Department of Emergency, Affiliated Hospital of Chengde Medical University, Chengde, Hebei, China.
| | - Zhi Yang
- Department of Vascular Surgery, Affiliated Hospital of Chengde Medical University, Chengde, Hebei, China
| | - Xiangxi Meng
- Department of Burn Plastic Surgery, Affiliated Hospital of Chengde Medical University, Chengde, Hebei, China
| | - Yang An
- Department of Vascular Surgery, Affiliated Hospital of Chengde Medical University, Chengde, Hebei, China
| | - Hong Zhang
- Department of Vascular Surgery, Affiliated Hospital of Chengde Medical University, Chengde, Hebei, China
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8
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Qu Y, Zhang N, Zhao Y. Resveratrol Inhibits Abdominal Aortic Aneurysm Progression by Reducing Extracellular Matrix Degradation, Apoptosis, Autophagy, and Inflammation of Vascular Smooth Muscle Cells via Upregulation of HMOX1. J Endovasc Ther 2023:15266028231202727. [PMID: 37789605 DOI: 10.1177/15266028231202727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
OBJECTIVE This study aimed to explore the therapeutic effect of resveratrol (RES) against abdominal aortic aneurysm (AAA) and the role of HMOX1 underlying this effect. METHODS Vascular smooth muscle cells (VSMCs) were induced by angiotensin II (Ang II) to construct the microenvironment of AAA. HMOX1 expression was downregulated by the short hairpin ribonucleic acid (RNA) specific to HMOX1 in RES-pretreated VSMCs. The levels of matrix metalloproteinase (MMP)-2, MMP-9, and elastin were measured by quantitative reverse transcription polymerase chain reaction (qRT-PCR) and western blot. Apoptosis rate was detected. The levels of apoptosis-related proteins (caspase-3 and Bax/Bcl-2), inflammatory cytokines (interleukin [IL]-6, tumor necrosis factor [TNF]-α, and IL-1β), and autophagy-related proteins (Beclin 1, light chain 3 [LC3] II/I, and p62) were detected by western blot. The secretion of inflammatory factors in cell supernatant was detected by enzyme-linked immunosorbent assay (ELISA). The number of autophagic vesicles in VSMCs was observed and analyzed by transmission electron microscopy. A rat model of pancreatic elastase-induced AAA was established to verify the effect and action mechanism of RES. RESULTS Stimulation of Ang II increased the messenger RNA (mRNA) and protein levels of MMP-2 and MMP-9, decreased elastin expression, and enhanced apoptosis, secretion of inflammatory factors, and autophagy in VSMCs, whereas RES pretreatment ameliorated Ang II-induced VSMC dysfunction. In addition, HMOX1 mRNA and heme oxygenase-1 (HO-1) protein levels were significantly increased in VSMCs pretreated with RES compared with Ang II treatment alone. Silencing of HMOX1 abolished the effects of RES on VSMC dysfunction. Consistently, RES suppressed the development of AAA in rats by increasing the expression of HMOX1. CONCLUSION Resveratrol protects against AAA by inhibiting extracellular matrix degradation, apoptosis, autophagy, and inflammation of VSMCs via HMOX1 upregulation. CLINICAL IMPACT Our study found that angiotensin II (Ang II) stimulated increased the levels of MMP-2 and MMP-9 in vascular smooth muscle cells (VSMCs), decreased elastin expression, and promoted apoptosis, autophagy occurrence, and secretion of inflammatory factors, while resveratrol (RES) pretreatment improved this effect. In addition, downregulation of HMOX1 expression eliminated the effect of RES on the function of VSMCs. Our study elucidates that RES improves AAA progression through HMOX1 at both cellular and animal levels. This work can help doctors better understand the pathological mechanism of the occurrence and development of AAA, and provide a theoretical basis for clinicians to find better treatment options.
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Affiliation(s)
- Yunfei Qu
- Department of Vascular Surgery, the First Affiliated Hospital of Chongqing Medical University, Chongqing, P.R. China
| | - Ning Zhang
- General Practice, Chongqing University Three Gorges Hospital, Chongqing, P.R. China
| | - Yu Zhao
- Department of Vascular Surgery, the First Affiliated Hospital of Chongqing Medical University, Chongqing, P.R. China
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Xie J, Tang Z, Chen Q, Jia X, Li C, Jin M, Wei G, Zheng H, Li X, Chen Y, Liao W, Liao Y, Bin J, Huang S. Clearance of Stress-Induced Premature Senescent Cells Alleviates the Formation of Abdominal Aortic Aneurysms. Aging Dis 2023; 14:1778-1798. [PMID: 37196124 PMCID: PMC10529745 DOI: 10.14336/ad.2023.0215] [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: 11/01/2022] [Accepted: 02/15/2023] [Indexed: 05/19/2023] Open
Abstract
Abdominal aortic aneurysm (AAA) is a multifactorial disease characterized by various pathophysiological processes, including chronic inflammation, oxidative stress, and proteolytic activity in the aortic wall. Stress-induced premature senescence (SIPS) has been implicated in regulating these pathophysiological processes, but whether SIPS contributes to AAA formation remains unknown. Here, we detected SIPS in AAA from patients and young mice. The senolytic agent ABT263 prevented AAA development by inhibiting SIPS. Additionally, SIPS promoted the transformation of vascular smooth muscle cells (VSMCs) from a contractile phenotype to a synthetic phenotype, whereas inhibition of SIPS by the senolytic drug ABT263 suppressed VSMC phenotypic switching. RNA sequencing and single-cell RNA sequencing analysis revealed that fibroblast growth factor 9 (FGF9), secreted by stress-induced premature senescent VSMCs, was a key regulator of VSMC phenotypic switching and that FGF9 knockdown abolished this effect. We further showed that the FGF9 level was critical for the activation of PDGFRβ/ERK1/2 signaling, facilitating VSMC phenotypic change. Taken together, our findings demonstrated that SIPS is critical for VSMC phenotypic switching through the activation of FGF9/PDGFRβ/ERK1/2 signaling, promoting AAA development and progression. Thus, targeting SIPS with the senolytic agent ABT263 may be a valuable therapeutic strategy for the prevention or treatment of AAA.
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Affiliation(s)
- Jingfang Xie
- Department of Cardiology, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China.
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangzhou, China.
| | - Zhenquan Tang
- Department of Cardiology, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China.
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangzhou, China.
| | - Qiqi Chen
- Department of Cardiology, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China.
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangzhou, China.
| | - Xiaoqian Jia
- Department of Cardiology, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China.
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangzhou, China.
| | - Chuling Li
- Department of Cardiology, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China.
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangzhou, China.
| | - Ming Jin
- Department of Cardiology, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China.
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangzhou, China.
| | - Guoquan Wei
- Department of Cardiology, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China.
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangzhou, China.
| | - Hao Zheng
- Department of Cardiology, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China.
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangzhou, China.
| | - Xinzhong Li
- Department of Cardiology, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China.
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangzhou, China.
| | - Yanmei Chen
- Department of Cardiology, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China.
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangzhou, China.
| | - Wangjun Liao
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, China.
| | - Yulin Liao
- Department of Cardiology, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China.
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangzhou, China.
| | - Jianping Bin
- Department of Cardiology, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China.
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangzhou, China.
| | - Senlin Huang
- Department of Cardiology, State Key Laboratory of Organ Failure Research, Nanfang Hospital, Southern Medical University, Guangzhou, China.
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangzhou, China.
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10
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Stougiannou TM, Christodoulou KC, Georgakarakos E, Mikroulis D, Karangelis D. Promising Novel Therapies in the Treatment of Aortic and Visceral Aneurysms. J Clin Med 2023; 12:5878. [PMID: 37762818 PMCID: PMC10531975 DOI: 10.3390/jcm12185878] [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: 07/19/2023] [Revised: 09/06/2023] [Accepted: 09/08/2023] [Indexed: 09/29/2023] Open
Abstract
Aortic and visceral aneurysms affect large arterial vessels, including the thoracic and abdominal aorta, as well as visceral arterial branches, such as the splenic, hepatic, and mesenteric arteries, respectively. Although these clinical entities have not been equally researched, it seems that they might share certain common pathophysiological changes and molecular mechanisms. The yet limited published data, with regard to newly designed, novel therapies, could serve as a nidus for the evaluation and potential implementation of such treatments in large artery aneurysms. In both animal models and clinical trials, various novel treatments have been employed in an attempt to not only reduce the complications of the already implemented modalities, through manufacturing of more durable materials, but also to regenerate or replace affected tissues themselves. Cellular populations like stem and differentiated vascular cell types, large diameter tissue-engineered vascular grafts (TEVGs), and various molecules and biological factors that might target aspects of the pathophysiological process, including cell-adhesion stabilizers, metalloproteinase inhibitors, and miRNAs, could potentially contribute significantly to the treatment of these types of aneurysms. In this narrative review, we sought to collect and present relevant evidence in the literature, in an effort to unveil promising biological therapies, possibly applicable to the treatment of aortic aneurysms, both thoracic and abdominal, as well as visceral aneurysms.
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Affiliation(s)
- Theodora M. Stougiannou
- Department of Cardiothoracic Surgery, University General Hospital of Alexandroupolis, Dragana, 68100 Alexandroupolis, Greece; (K.C.C.); (E.G.); (D.M.); (D.K.)
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11
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Lin PK, Davis GE. Extracellular Matrix Remodeling in Vascular Disease: Defining Its Regulators and Pathological Influence. Arterioscler Thromb Vasc Biol 2023; 43:1599-1616. [PMID: 37409533 PMCID: PMC10527588 DOI: 10.1161/atvbaha.123.318237] [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] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 06/23/2023] [Indexed: 07/07/2023]
Abstract
Because of structural and cellular differences (ie, degrees of matrix abundance and cross-linking, mural cell density, and adventitia), large and medium-sized vessels, in comparison to capillaries, react in a unique manner to stimuli that induce vascular disease. A stereotypical vascular injury response is ECM (extracellular matrix) remodeling that occurs particularly in larger vessels in response to injurious stimuli, such as elevated angiotensin II, hyperlipidemia, hyperglycemia, genetic deficiencies, inflammatory cell infiltration, or exposure to proinflammatory mediators. Even with substantial and prolonged vascular damage, large- and medium-sized arteries, persist, but become modified by (1) changes in vascular wall cellularity; (2) modifications in the differentiation status of endothelial cells, vascular smooth muscle cells, or adventitial stem cells (each can become activated); (3) infiltration of the vascular wall by various leukocyte types; (4) increased exposure to critical growth factors and proinflammatory mediators; and (5) marked changes in the vascular ECM, that remodels from a homeostatic, prodifferentiation ECM environment to matrices that instead promote tissue reparative responses. This latter ECM presents previously hidden matricryptic sites that bind integrins to signal vascular cells and infiltrating leukocytes (in coordination with other mediators) to proliferate, invade, secrete ECM-degrading proteinases, and deposit injury-induced matrices (predisposing to vessel wall fibrosis). In contrast, in response to similar stimuli, capillaries can undergo regression responses (rarefaction). In summary, we have described the molecular events controlling ECM remodeling in major vascular diseases as well as the differential responses of arteries versus capillaries to key mediators inducing vascular injury.
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Affiliation(s)
- Prisca K. Lin
- Department of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida School of Medicine, Tampa, FL 33612
| | - George E. Davis
- Department of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida School of Medicine, Tampa, FL 33612
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12
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Li D, Wang L, Jiang B, Miao Y, Li X. An evidence update to explore molecular targets and protective mechanisms of apigenin against abdominal aortic aneurysms based on network pharmacology and experimental validation. Mol Divers 2023:10.1007/s11030-023-10723-6. [PMID: 37653360 DOI: 10.1007/s11030-023-10723-6] [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: 06/15/2023] [Accepted: 08/23/2023] [Indexed: 09/02/2023]
Abstract
Abdominal aortic aneurysms (AAA) is a life-threatening disease and the incidence of AAA is still on the rise in recent years. Numerous studies suggest that dietary moderate consumption of polyphenol exerts beneficial effects on cardiovascular disease. Apigenin (API) is a promising dietary polyphenol and possesses potent beneficial effects on our body. Although our previous study revealed protective effects of API on experimental AAA formation, up till now few studies were carried out to further investigate its involved molecular mechanisms. In the present study, network pharmacology combined molecular docking and experimental validation was used to explore API-related therapeutic targets and mechanisms in the treatment of AAA. Firstly, we collected 202 API-related therapeutic targets and 2475 AAA-related pathogenetic targets. After removing duplicates, a total of 68 potential therapeutic targets were obtained. Moreover, 5 targets with high degree including TNF, ACTB, INS, JUN, and MMP9 were identified as core targets of API for treating AAA. In addition, functional enrichment analysis indicated that API exerted pharmacological effects in AAA by affecting versatile mechanisms, including apoptosis, inflammation, blood fluid dynamics, and immune modulation. Molecular docking results further supported that API had strong affinity with the above core targets. Furthermore, protein level of core targets and related pathways were evaluated in a Cacl2-induced AAA model by using western blot and immunohistochemistry. The experimental validation results demonstrated that API significantly attenuated phosphorylation of JUN and protein level of predicted core targets. Taken together, based on network pharmacological and experimental validation, our study systematically explored associated core targets and potential therapeutic pathways of API for AAA treatment, which could supply valuable insights and theoretical basis for AAA treatment.
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Affiliation(s)
- Dongyu Li
- Department of General Surgery & VIP In-Patient Ward, The First Hospital of China Medical University, Shenyang, 110001, Liaoning Province, China
| | - Lei Wang
- Department of Vascular and Thyroid Surgery, The First Hospital of China Medical University, Nanjingbei 155 Street, Shenyang, 110001, Liaoning Province, China
| | - Bo Jiang
- Department of Vascular and Thyroid Surgery, The First Hospital of China Medical University, Nanjingbei 155 Street, Shenyang, 110001, Liaoning Province, China
| | - Yuxi Miao
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang, 110122, Liaoning Province, China
| | - Xuan Li
- Department of Vascular and Thyroid Surgery, The First Hospital of China Medical University, Nanjingbei 155 Street, Shenyang, 110001, Liaoning Province, China.
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Lin CP, Huang PH, Chen CY, Tzeng IS, Wu MY, Chen JS, Chen JW, Lin SJ. Tributyrin Intake Attenuates Angiotensin II-Induced Abdominal Aortic Aneurysm in LDLR-/- Mice. Int J Mol Sci 2023; 24:ijms24098008. [PMID: 37175712 PMCID: PMC10178859 DOI: 10.3390/ijms24098008] [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: 12/31/2022] [Revised: 03/31/2023] [Accepted: 04/19/2023] [Indexed: 05/15/2023] Open
Abstract
Abdominal aortic aneurysm (AAA) is a multifactorial cardiovascular disease with a high risk of death, and it occurs in the infrarenal aorta with vascular dilatation. High blood pressure acts on the aortic wall, resulting in rupture and causing life-threatening intra-abdominal hemorrhage. Vascular smooth muscle cell (VSMC) dysregulation and extracellular matrix (ECM) degradation, especially elastin breaks, contribute to structural changes in the aortic wall. The pathogenesis of AAA includes the occurrence of oxidative stress, inflammatory cell infiltration, elastic fiber fragmentation, VSMC apoptosis, and phenotypic transformation. Tributyrin (TB) is decomposed by intestinal lipase and has a function similar to that of butyrate. Whether TB has a protective effect against AAA remains uncertain. In the present study, we established an AAA murine model by angiotensin II (AngII) induction in low-density lipoprotein receptor knockout (LDLR-/-) mice and investigated the effects of orally administered TB on the AAA size, ratio of macrophage infiltration, levels of matrix metalloproteinase (MMP) expression, and epigenetic regulation. TB attenuates AngII-induced AAA size and decreases elastin fragmentation, macrophage infiltration, and MMP expression in the medial layer of the aorta and reduces the levels of SBP (systolic blood pressure, p < 0.001) and MMP-2 (p < 0.02) in the serum. TB reduces the AngII-stimulated expression levels of MMP2 (p < 0.05), MMP9 (p < 0.05), MMP12, and MMP14 in human aortic smooth muscle cells (HASMCs). Moreover, TB and valproic acid (VPA), a histone deacetylase (HDAC) inhibitor, suppress AngII receptor type 1 (AT1R, p < 0.05) activation and increase the expression of acetyl histone H3 by HDAC activity inhibition (p < 0.05). Our findings suggest that TB exerts its protective effect by suppressing the activation of HDAC to attenuate the AngII-induced AT1R signaling cascade.
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Affiliation(s)
- Chih-Pei Lin
- Department of Laboratory Medicine, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City 23142, Taiwan
- Division of Clinical Pathology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City 23142, Taiwan
- Department of Laboratory Medicine and Biotechnology, College of Medicine, Tzu Chi University, Hualien 97004, Taiwan
| | - Po-Hsun Huang
- Department of Critical Medicine, Taipei Veterans General Hospital, Taipei 112201, Taiwan
- Cardiovascular Research Center, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
| | - Chi-Yu Chen
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
| | - I-Shiang Tzeng
- Department of Research, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City 23142, Taiwan
| | - Meng-Yu Wu
- Department of Emergency Medicine, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City 23142, Taiwan
- Department of Emergency Medicine, School of Medicine, Tzu Chi University, Hualien 97004, Taiwan
| | - Jia-Shiong Chen
- Cardiovascular Research Center, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
| | - Jaw-Wen Chen
- Division of Cardiology & Healthcare and Management Center, Taipei Veterans General Hospital, Taipei 112201, Taiwan
- Institute of Pharmacology, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
| | - Shing-Jong Lin
- Division of Cardiology & Department of Medical Research, Taipei Veterans General Hospital, Taipei 112201, Taiwan
- Taipei Heart Institute, Taipei Medical University, Taipei 110301, Taiwan
- Division of Cardiology, Heart Center, Cheng-Hsin General Hospital, Taipei 11220, Taiwan
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Costa D, Andreucci M, Ielapi N, Serraino GF, Mastroroberto P, Bracale UM, Serra R. Vascular Biology of arterial aneurysms. Ann Vasc Surg 2023:S0890-5096(23)00225-X. [PMID: 37068624 DOI: 10.1016/j.avsg.2023.04.008] [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: 02/28/2023] [Revised: 04/06/2023] [Accepted: 04/07/2023] [Indexed: 04/19/2023]
Abstract
OBJECTIVE This review aims to analyze biomolecular and cellular events responsible for arterial aneurysm formation with particular attention to vascular remodeling that determines the initiation and the progression of arterial aneurysm, till rupture. METHODS This review was conducted searching libraries such as Web of Science, Scopus, ScienceDirect and Medline. Used keywords with various combinations were: "arterial aneurysms", "biology", "genetics", "proteomics", "molecular", "pathophysiology" and extracellular matrix" RESULTS: There are several genetic alterations responsible of syndromic and non-syndromic disease that predispose to aneurysm formation. ECM imbalance, mainly due to the alteration of vascular smooth muscle cells (VSMCs) homeostasis, overexpression of metalloproteinases (MPs) and cytokines activation, determines weakness of the arterial wall that dilates thus causing aneurysmal disease. Altered mechanotransduction in the ECM may also trigger and sustain anomalous cellular and biochemical signaling. Different cell population such as VSMCs, macrophages, perivascular adipose tissue (PVAT) cells, vascular wall resident stem cells (VWRSCs) are all involved at different levels CONCLUSIONS: Improving knowledge in vascular biology may help researchers and physicians in better targeting aneurysmal disease in order to better prevent and better treat such important disease.
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Affiliation(s)
- Davide Costa
- Department of Law, Economics and Sociology, University "Magna Graecia" of Catanzaro, 88100 Catanzaro, Italy; Interuniversity Center of Phlebolymphology (CIFL), International Research and Educational Program in Clinical and Experimental Biotechnology. University "Magna Graecia" of Catanzaro, 88100 Catanzaro, Italy
| | - Michele Andreucci
- Department of Health Sciences. University "Magna Graecia" of Catanzaro. 88100, Catanzaro, Italy
| | - Nicola Ielapi
- Department of Public Health and Infectious Disease, "Sapienza" University of Rome, 00185, Rome, Italy
| | - Giuseppe Filiberto Serraino
- Department of Experimental and Clinical Medicine. University "Magna Graecia" of Catanzaro. 88100, Catanzaro, Italy
| | - Pasquale Mastroroberto
- Department of Experimental and Clinical Medicine. University "Magna Graecia" of Catanzaro. 88100, Catanzaro, Italy
| | | | - Raffaele Serra
- Interuniversity Center of Phlebolymphology (CIFL), International Research and Educational Program in Clinical and Experimental Biotechnology. University "Magna Graecia" of Catanzaro, 88100 Catanzaro, Italy; Department of Medical and Surgical Sciences. University "Magna Graecia" of Catanzaro. 88100, Catanzaro, Italy.
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15
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Xu Y, Yang S, Xue G. The role of long non-coding RNA in abdominal aortic aneurysm. Front Genet 2023; 14:1153899. [PMID: 37007957 PMCID: PMC10050724 DOI: 10.3389/fgene.2023.1153899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 02/28/2023] [Indexed: 03/17/2023] Open
Abstract
The abdominal aortic aneurysm (AAA) is characterized by segmental expansion of the abdominal aorta and a high mortality rate. The characteristics of AAA suggest that apoptosis of smooth muscle cells, the production of reactive oxygen species, and inflammation are potential pathways for the formation and development of AAA. Long non-coding RNA (lncRNA) is becoming a new and essential regulator of gene expression. Researchers and physicians are focusing on these lncRNAs to use them as clinical biomarkers and new treatment targets for AAAs. LncRNA studies are beginning to emerge, suggesting that they may play a significant but yet unidentified role in vascular physiology and disease. This review examines the role of lncRNA and their target genes in AAA to increase our understanding of the disease’s onset and progression, which is crucial for developing potential AAA therapies.
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Bioinformatics-based identification of lipid- and immune-related biomarkers in abdominal aortic aneurysms. Heliyon 2023; 9:e13622. [PMID: 36879746 PMCID: PMC9984436 DOI: 10.1016/j.heliyon.2023.e13622] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 02/01/2023] [Accepted: 02/06/2023] [Indexed: 02/12/2023] Open
Abstract
Background Abdominal aortic aneurysm (AAA) manifest as a natural inflammatory process with permanent dilation and terminal rupture. Nevertheless, the pathogenesis of AAA remains a mystery, and treatment is still controversial. Lipid metabolism and immune system are involved in AAA progression, which has been well documented. However, lipid- and immune-related (LIR) biomarkers need to be further elucidated. Methods The AAA-related datasets were retrieved from the GEO database, and the datasets were analyzed for differential gene expression by NetworkAnalyst. GO and KEGG pathway enrichment analysis of differentially expressed mRNA (DE-mRNA) was performed using Metscape, and LIR DE-mRNA was further screened. AAA rat model was constructed using porcine pancreatic elastase to verify the differential expression of LIR DE-mRNA. Results The GSE47472 and GSE57691 datasets respectively identified 614 (containing 381 down-regulated and 233 up-regulated DE-mRNAs) and 384 (containing 218 down-regulated and 164 up-regulated DE-mRNAs) DE-mRNAs. Intersection and union of DE-mRNAs were 13 and 983, respectively. The main terms involved in the union of DE-mRNAs included "immune system process", "metabolic process", "Chemokine signaling pathway", "hematopoietic cell lineage" and "Cholesterol metabolism". In vivo experiments revealed that LIR DE-mRNAs of PDIA3, TYROBP, and HSPA1A were significantly low expression in AAA abdominal aortic tissues, and HCK and SERPINE1 were significantly high expression, which is consistent with the bioinformatics analysis. Conclusions PDIA3, TYROBP, HSPA1A, HCK and SERPINE1 may serve as LIR biomarkers of AAA, which provides new insights and theoretical guidance for the future treatment, early prevention and progression of AAA.
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Bai L, Ge L, Zhang B, Zhang Y, Gu J, Liu L, Song Y. CtBP proteins transactivate matrix metalloproteinases and proinflammatory cytokines to mediate the pathogenesis of abdominal aortic aneurysm. Exp Cell Res 2022; 421:113386. [PMID: 36244410 DOI: 10.1016/j.yexcr.2022.113386] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 09/28/2022] [Accepted: 10/06/2022] [Indexed: 12/29/2022]
Abstract
Abdominal aortic aneurysm (AAA) is a life-threatening disorder that occurs in the aorta. The inflammatory thickness of the aneurysm wall and perianeurysmal fibrosis are two main causes of AAA pathogenesis; however, the molecular mechanisms involved in these two processes are still unclear. We discovered that C-terminal binding protein 1 (CtBP1) and CtBP2 were overexpressed in the aortas of AAA-model mice created by treatment with CaCl2 and elastase. Molecular analyses revealed that the CtBP heterodimer couples with histone acetyltransferase p300 and transcription factor AP1 (activator protein 1) to transactivate a set of matrix metalloproteinases (MMPs, including MMP1a, 3, 7, 9, and 12) and proinflammatory cytokines, including interleukin-1 β (IL-1β), IL-6, and tumor necrosis factor-alpha (TNF-α). Knockdown of CtBPs or AP1 subunits or blockage of CtBPs with specific small molecule inhibitors significantly suppressed the in vitro expression of MMPs and proinflammatory cytokines. The administration of CtBP inhibitors in AAA-model mice also inhibited MMPs and proinflammatory cytokines, thereby improving the AAA outcome. Taken together, our results revealed a new regulatory mechanism involving MMPs and proinflammatory cytokines in the pathogenesis of AAA. This discovery suggests that targeting CtBPs may be a therapeutic strategy for AAA by attenuating the inflammatory response and matrix destruction.
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Affiliation(s)
- Lei Bai
- Department of Cardiovascular Surgery, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, China.
| | - Lijuan Ge
- Department of Pediatrics, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, China
| | - Bin Zhang
- Department of Cardiovascular Surgery, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, China
| | - Yujing Zhang
- Department of Cardiovascular Surgery, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, China
| | - Jiwei Gu
- Department of Cardiovascular Surgery, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, China
| | - Li Liu
- Department of Cardiovascular Surgery, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, China
| | - Yanyan Song
- Department of Cardiovascular Surgery, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, China.
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Li XY, Lin XJ, Zhong BJ, Yu H. Effects of the application timing of anti-erosive agents on dentin erosion. J Mech Behav Biomed Mater 2022; 136:105512. [PMID: 36274553 DOI: 10.1016/j.jmbbm.2022.105512] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 09/29/2022] [Accepted: 10/02/2022] [Indexed: 11/06/2022]
Abstract
This in vitro study aimed to evaluate the effects of the application timing of anti-erosive agents on dentin erosion. Eighty dentin specimens with dimensions of 2 × 2 × 2 mm were prepared and randomly divided into 4 groups based on the treatment solutions: 1.23 × 104 μg/ml sodium fluoride (NaF), 120 μg/ml chlorhexidine (CHX), 300 μg/ml quercetin (QUE), and deionized water (DW, negative control). The specimens in each group were further divided into 2 subgroups according to the application timing of the treatment solutions (n = 10): before the erosive challenges (PRE) and after the erosive challenges (POST). All specimens were submitted to 4 daily erosive challenges for 5 d. For each erosive challenge, the specimens in the subgroup PRE were treated with the respective solutions for 2 min and then immersed in cola drinks for 5 min, while the specimens in the subgroup POST were immersed in cola drinks for 5 min followed by treatment with the respective solutions for 2 min. The erosive dentin loss (EDL) was measured using a contact profilometer, and the surface morphology of the dentin specimens was evaluated by scanning electron microscopy at the end of the experiment. The data were statistically analyzed using two-way analysis of variance (ANOVA) and Bonferroni's test (α = 0.05). Significantly less EDL was observed in the groups NaF, CHX, and QUE than in the group DW (all P < 0.001). Significantly lower EDL was observed in the groups CHX and QUE than in the group NaF (P = 0.001 and P < 0.001, respectively). For CHX, subgroup POST exhibited significantly less EDL than subgroup PRE (P < 0.001). Regarding QUE, subgroup PRE showed significantly less EDL than subgroup POST (P < 0.001). Furthermore, a relatively greater number of obliterated dentinal tubules was visible in the subgroup POST rather than in the subgroup PRE of the group CHX, while in the group QUE, narrower dentinal tubules were observed in the subgroup PRE than those in subgroup POST. In conclusion, CHX and QUE showed the best performance in controlling dentin erosion. CHX was more effective in reducing EDL when applied after erosive challenges, whereas QUE worked more effectively when used before erosive attacks. The application timing should be considered when evaluating the effects of anti-erosive agents because it may determine their effectiveness.
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Affiliation(s)
- Xue-Yu Li
- Fujian Key Laboratory of Oral Diseases & Fujian Provincial Engineering Research Center of Oral Biomaterial & Stomatological Key Laboratory of Fujian College and University, School and Hospital of Stomatology, Fujian Medical University, China; Department of Prosthodontics & Research Center of Dental Esthetics and Biomechanics, Fujian Medical University, China
| | - Xiu-Jiao Lin
- Fujian Key Laboratory of Oral Diseases & Fujian Provincial Engineering Research Center of Oral Biomaterial & Stomatological Key Laboratory of Fujian College and University, School and Hospital of Stomatology, Fujian Medical University, China; Department of Prosthodontics & Research Center of Dental Esthetics and Biomechanics, Fujian Medical University, China
| | - Bing-Jie Zhong
- Fujian Key Laboratory of Oral Diseases & Fujian Provincial Engineering Research Center of Oral Biomaterial & Stomatological Key Laboratory of Fujian College and University, School and Hospital of Stomatology, Fujian Medical University, China; Department of Prosthodontics & Research Center of Dental Esthetics and Biomechanics, Fujian Medical University, China
| | - Hao Yu
- Fujian Key Laboratory of Oral Diseases & Fujian Provincial Engineering Research Center of Oral Biomaterial & Stomatological Key Laboratory of Fujian College and University, School and Hospital of Stomatology, Fujian Medical University, China; Department of Prosthodontics & Research Center of Dental Esthetics and Biomechanics, Fujian Medical University, China.
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Cao G, Xuan X, Hu J, Zhang R, Jin H, Dong H. How vascular smooth muscle cell phenotype switching contributes to vascular disease. Cell Commun Signal 2022; 20:180. [PMID: 36411459 PMCID: PMC9677683 DOI: 10.1186/s12964-022-00993-2] [Citation(s) in RCA: 55] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 10/22/2022] [Indexed: 11/22/2022] Open
Abstract
Vascular smooth muscle cells (VSMCs) are the most abundant cell in vessels. Earlier experiments have found that VSMCs possess high plasticity. Vascular injury stimulates VSMCs to switch into a dedifferentiated type, also known as synthetic VSMCs, with a high migration and proliferation capacity for repairing vascular injury. In recent years, largely owing to rapid technological advances in single-cell sequencing and cell-lineage tracing techniques, multiple VSMCs phenotypes have been uncovered in vascular aging, atherosclerosis (AS), aortic aneurysm (AA), etc. These VSMCs all down-regulate contractile proteins such as α-SMA and calponin1, and obtain specific markers and similar cellular functions of osteoblast, fibroblast, macrophage, and mesenchymal cells. This highly plastic phenotype transformation is regulated by a complex network consisting of circulating plasma substances, transcription factors, growth factors, inflammatory factors, non-coding RNAs, integrin family, and Notch pathway. This review focuses on phenotypic characteristics, molecular profile and the functional role of VSMCs phenotype landscape; the molecular mechanism regulating VSMCs phenotype switching; and the contribution of VSMCs phenotype switching to vascular aging, AS, and AA. Video Abstract.
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Affiliation(s)
- Genmao Cao
- grid.452845.a0000 0004 1799 2077Department of Vascular Surgery, The Second Hospital of Shanxi Medical University, No. 382, Wuyi Road, Taiyuan, China
| | - Xuezhen Xuan
- grid.452845.a0000 0004 1799 2077Department of Vascular Surgery, The Second Hospital of Shanxi Medical University, No. 382, Wuyi Road, Taiyuan, China
| | - Jie Hu
- grid.452845.a0000 0004 1799 2077Department of Vascular Surgery, The Second Hospital of Shanxi Medical University, No. 382, Wuyi Road, Taiyuan, China
| | - Ruijing Zhang
- grid.452845.a0000 0004 1799 2077Department of Nephrology, The Second Hospital of Shanxi Medical University, No. 382, Wuyi Road, Taiyuan, China
| | - Haijiang Jin
- grid.452845.a0000 0004 1799 2077Department of Vascular Surgery, The Second Hospital of Shanxi Medical University, No. 382, Wuyi Road, Taiyuan, China
| | - Honglin Dong
- grid.452845.a0000 0004 1799 2077Department of Vascular Surgery, The Second Hospital of Shanxi Medical University, No. 382, Wuyi Road, Taiyuan, China
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Silvestro M, Rivera CF, Alebrahim D, Vlahos J, Pratama MY, Lu C, Tang C, Harpel Z, Sleiman Tellaoui R, Zias AL, Maldonado DJ, Byrd D, Attur M, Mignatti P, Ramkhelawon B. The Nonproteolytic Intracellular Domain of Membrane-Type 1 Matrix Metalloproteinase Coordinately Modulates Abdominal Aortic Aneurysm and Atherosclerosis in Mice-Brief Report. Arterioscler Thromb Vasc Biol 2022; 42:1244-1253. [PMID: 36073351 PMCID: PMC9993845 DOI: 10.1161/atvbaha.122.317686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND MT1-MMP (membrane-type 1 matrix metalloproteinase, MMP-14) is a transmembrane-anchored protein with an extracellular proteinase domain and a cytoplasmic tail devoid of proteolytic functions but capable of mediating intracellular signaling that regulates tissue homeostasis. MT1-MMP extracellular proteolytic activity has been shown to regulate pathological remodeling in aortic aneurysm and atherosclerosis. However, the role of the nonproteolytic intracellular domain of MT1-MMP in vascular remodeling in abdominal aortic aneurysms (AAA) is unknown. METHODS We generated a mutant mouse that harbors a point mutation (Y573D) in the MT1-MMP cytoplasmic domain that abrogates the MT1-MMP signaling function without affecting its proteolytic activity. These mice and their control wild-type littermates were subjected to experimental AAA modeled by angiotensin II infusion combined with PCSK9 (proprotein convertase subtilisin/kexin type 9) overexpression and high-cholesterol feeding. RESULTS The mutant mice developed more severe AAA than the control mice, with concomitant generation of intraaneurysmal atherosclerotic lesions and dramatically increased macrophage infiltration and elastin degradation. Aortic lesion-associated and bone marrow-derived macrophages from the mutant mice exhibited an enhanced inflammatory state and expressed elevated levels of proinflammatory Netrin-1, a protein previously demonstrated to promote both atherosclerosis and AAA. CONCLUSIONS Our findings show that the cytoplasmic domain of MT1-MMP safeguards from AAA and atherosclerotic plaque development through a proteolysis-independent signaling mechanism associated with Netrin-1 expression. This unexpected function of MT1-MMP unveils a novel mechanism of synchronous onset of AAA and atherogenesis and highlights its importance in the control of vascular wall homeostasis.
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Affiliation(s)
- Michele Silvestro
- Division of Vascular and Endovascular Surgery, Department of Surgery (M.S., C.F.R., D.A., J.V., M.Y.P., C.T., Z.H., R.S.T., A.L.Z., D.J.M., D.B., B.R.)
| | - Cristobal F Rivera
- Division of Vascular and Endovascular Surgery, Department of Surgery (M.S., C.F.R., D.A., J.V., M.Y.P., C.T., Z.H., R.S.T., A.L.Z., D.J.M., D.B., B.R.)
| | - Dornazsadat Alebrahim
- Division of Vascular and Endovascular Surgery, Department of Surgery (M.S., C.F.R., D.A., J.V., M.Y.P., C.T., Z.H., R.S.T., A.L.Z., D.J.M., D.B., B.R.)
| | - John Vlahos
- Division of Vascular and Endovascular Surgery, Department of Surgery (M.S., C.F.R., D.A., J.V., M.Y.P., C.T., Z.H., R.S.T., A.L.Z., D.J.M., D.B., B.R.)
| | - Muhammad Yogi Pratama
- Division of Vascular and Endovascular Surgery, Department of Surgery (M.S., C.F.R., D.A., J.V., M.Y.P., C.T., Z.H., R.S.T., A.L.Z., D.J.M., D.B., B.R.)
| | - Cuijie Lu
- Division of Vascular and Endovascular Surgery, Department of Surgery (M.S., C.F.R., D.A., J.V., M.Y.P., C.T., Z.H., R.S.T., A.L.Z., D.J.M., D.B., B.R.).,Division of Rheumatology, Department of Medicine (C.L., M.A., P.M.), New York University Langone Medical Center, New York
| | - Claudia Tang
- Division of Vascular and Endovascular Surgery, Department of Surgery (M.S., C.F.R., D.A., J.V., M.Y.P., C.T., Z.H., R.S.T., A.L.Z., D.J.M., D.B., B.R.)
| | - Zander Harpel
- Division of Vascular and Endovascular Surgery, Department of Surgery (M.S., C.F.R., D.A., J.V., M.Y.P., C.T., Z.H., R.S.T., A.L.Z., D.J.M., D.B., B.R.)
| | - Rayan Sleiman Tellaoui
- Division of Vascular and Endovascular Surgery, Department of Surgery (M.S., C.F.R., D.A., J.V., M.Y.P., C.T., Z.H., R.S.T., A.L.Z., D.J.M., D.B., B.R.)
| | - Ariadne L Zias
- Division of Vascular and Endovascular Surgery, Department of Surgery (M.S., C.F.R., D.A., J.V., M.Y.P., C.T., Z.H., R.S.T., A.L.Z., D.J.M., D.B., B.R.)
| | - Delphina J Maldonado
- Division of Vascular and Endovascular Surgery, Department of Surgery (M.S., C.F.R., D.A., J.V., M.Y.P., C.T., Z.H., R.S.T., A.L.Z., D.J.M., D.B., B.R.)
| | - Devon Byrd
- Division of Vascular and Endovascular Surgery, Department of Surgery (M.S., C.F.R., D.A., J.V., M.Y.P., C.T., Z.H., R.S.T., A.L.Z., D.J.M., D.B., B.R.)
| | - Mukundan Attur
- Division of Rheumatology, Department of Medicine (C.L., M.A., P.M.), New York University Langone Medical Center, New York
| | - Paolo Mignatti
- Division of Rheumatology, Department of Medicine (C.L., M.A., P.M.), New York University Langone Medical Center, New York.,Department of Cell Biology (P.M., B.R.), New York University Langone Medical Center, New York
| | - Bhama Ramkhelawon
- Division of Vascular and Endovascular Surgery, Department of Surgery (M.S., C.F.R., D.A., J.V., M.Y.P., C.T., Z.H., R.S.T., A.L.Z., D.J.M., D.B., B.R.).,Department of Cell Biology (P.M., B.R.), New York University Langone Medical Center, New York
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21
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Ren J, Wu L, Wu J, Tang X, Lv Y, Wang W, Li F, Yang D, Liu C, Zheng Y. The molecular mechanism of Ang II induced-AAA models based on proteomics analysis in ApoE -/- and CD57BL/6J mice. J Proteomics 2022; 268:104702. [PMID: 35988846 DOI: 10.1016/j.jprot.2022.104702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 08/08/2022] [Accepted: 08/11/2022] [Indexed: 11/19/2022]
Abstract
Apolipoprotein knockout (ApoE-/-) and CD57BL/6J mouse models of angiotensin II (Ang II)-induced abdominal aortic aneurysm (AAA) are commonly used in AAA research. However, the similarities and differences in the molecular mechanisms of AAA in these two genotypes have not been reported. In our study, we analyzed proteomics data from ApoE-/- and CD57BL/6J mouse models of Ang II-induced AAA and control mice by LC-MS/MS. Gene set enrichment analysis (GSEA) of differentially abundance proteins (DAPs) in the ApoE-/- or CD57BL/6J mouse groups was performed in R software, and infiltration of immune cells in groups was assessed. DAP that showed the same trend in abundance in ApoE-/- and CD57BL/6J mice (S-DAP) were identified and subjected to GO enrichment, KEGG pathway, and connectivity map (CMap) analyses. The protein-protein interaction (PPI) network of the S-DAP was drawn, the key S-DAP were identified by MCODE, and the transcription factors (TFs) of crucial S-DAP were predicted by iRegulon in Cytoscape. Male ApoE-/- and CD57BL/6J mouse models of Ang II-induced AAA are commonly used in AAA research, and extracellular matrix organization is associated with AAA in both of these models. However, there are some differences between the mechanisms underlying AAA in these two genotypes, and these differences need to be considered when studying AAA and selecting models. SIGNIFICANCE: Our research provided the first insight into the similarity and differential mechanisms of Ang II infused AAA models using ApoE-/- and CD57BL/6J mice. This study might provide the some advises for the selection of Ang II infused AAA models for further AAA researches.
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Affiliation(s)
- Jinrui Ren
- Department of Interventional Therapy, National Cancer Center/National Clinical Research Centre for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China; Department of Vascular Surgery, State Key Laboratory of Complex Severe andRare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Lianglin Wu
- Department of Vascular Surgery, State Key Laboratory of Complex Severe andRare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Jianqiang Wu
- Department of Medical Research Center, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiaoyue Tang
- Department of Medical Research Center, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yanze Lv
- Department of Vascular Surgery, State Key Laboratory of Complex Severe andRare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Wei Wang
- Department of Vascular Surgery, State Key Laboratory of Complex Severe andRare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Fangda Li
- Department of Vascular Surgery, State Key Laboratory of Complex Severe andRare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Dan Yang
- Department of Computational Biology and Bioinformatics, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Changzheng Liu
- National Health Commission of the People's Republic of China (NHC), Key Laboratory of Systems Biology of Pathogens and Christophe Merieux Laboratory, Institute of Pathogen Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yuehong Zheng
- Department of Vascular Surgery, State Key Laboratory of Complex Severe andRare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China.
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22
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Li Z, Cong X, Kong W. Matricellular proteins: Potential biomarkers and mechanistic factors in aortic aneurysms. J Mol Cell Cardiol 2022; 169:41-56. [DOI: 10.1016/j.yjmcc.2022.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 03/30/2022] [Accepted: 05/03/2022] [Indexed: 10/18/2022]
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23
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Simões G, Pereira T, Caseiro A. Matrix metaloproteinases in vascular pathology. Microvasc Res 2022; 143:104398. [PMID: 35671836 DOI: 10.1016/j.mvr.2022.104398] [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: 12/04/2021] [Revised: 05/01/2022] [Accepted: 06/01/2022] [Indexed: 12/07/2022]
Abstract
Vascular diseases are the main cause of morbidity and mortality. The vascular extracellular matrix (ECM) is essential in mechanical support, also regulating the cellular behavior fundamental to vascular function and homeostasis. Vascular remodeling is an adaptive response to various physiological and pathological changes and is associated with aging and vascular diseases. The aim of this review is provide a general overview of the involvement of MMPs in the pathogenesis of vascular diseases, namely, arterial hypertension, atherosclerosis, aortic aneurysms and myocardial infarction. The change in the composition of the ECM by matrix metalloproteinases (MMPs) generates a pro-inflammatory microenvironment that modifies the phenotypes of endothelial cells and vascular smooth muscle cells. They play a central role in morphogenesis, tissue repair and remodeling in response to injury, e.g., after myocardial infarction, and in progression of diseases such as atherosclerosis. Alterations in specific MMPs could influence arterial remodeling and lead to various pathological disorders such as hypertension and aneurysm formation. MMPs are regulated by endogenous tissue inhibitors of metalloproteinases (TIMPs), and the MMP/TIMP ratio generally determines the extent of ECM protein degradation and tissue remodeling. Studies are currently focused on improving the diagnostic and prognostic value of MMPs involved in the pathogenic process, increasing their therapeutic potential, and monitoring the disease. New selective MMP inhibitors may improve the specificity of these inhibitors, target specific MMPs in relevant pathological conditions and mitigate some of the side effects.
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Affiliation(s)
- Gonçalo Simões
- Politécnico de Coimbra, ESTeSC, Ciências Biomédicas Laboratoriais, Rua 5 de Outubro, 3046-854 Coimbra, Portugal.
| | - Telmo Pereira
- LABINSAÚDE - Laboratório de Investigação em Ciências Aplicadas à Saúde, Instituto Politécnico de Coimbra, ESTeSC, Rua 5 de Outubro, 3046-854 Coimbra, Portugal; Politécnico de Coimbra, ESTeSC, Fisiologia Clínica, Rua 5 de Outubro, 3046-854 Coimbra, Portugal.
| | - Armando Caseiro
- Politécnico de Coimbra, ESTeSC, Ciências Biomédicas Laboratoriais, Rua 5 de Outubro, 3046-854 Coimbra, Portugal; LABINSAÚDE - Laboratório de Investigação em Ciências Aplicadas à Saúde, Instituto Politécnico de Coimbra, ESTeSC, Rua 5 de Outubro, 3046-854 Coimbra, Portugal; Unidade I&D Química-Física Molecular, Faculdade de Ciências e Tecnologia, Universidade de Coimbra, Coimbra, Portugal.
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24
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Liu X, Chen X, Xu C, Lou J, Weng Y, Tang L. Platelet protects angiotensin II-driven abdominal aortic aneurysm formation through inhibition of inflammation. Exp Gerontol 2022; 159:111703. [PMID: 35038567 DOI: 10.1016/j.exger.2022.111703] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 01/07/2022] [Accepted: 01/10/2022] [Indexed: 01/16/2023]
Abstract
BACKGROUND Inflammation is the primary cause of abdominal aortic aneurysm (AAA) formation and development. It has been reported that platelets protect against septic shock by inhibiting inflammation. However, it is unclear whether platelets protect AAA progress via suppressing inflammation. METHODS A mouse model of AAA was established by a daily administration of angiotensin II (Ang II, 1000 ng/kg/min) for 28-day. The AAA mice received 1 × 109 platelets transfusion in normal saline every 3rd day for 1 month. Hematoxylin and eosin, Masson's trichrome, and elastic van Gieson staining techniques were used to analyze the morphology of the abdominal aorta. Immunohistochemistry was used to detect any infiltration of inflammatory cells, inflammatory factors, and matrix metalloproteins (MMPs) in the aortic tissue. Western blot and enzyme-linked immunosorbent assay (ELISA) were used to examine the inflammatory factor proteins levels in the aortic wall and peripheral blood, respectively. RESULTS Platelets infusion significantly suppressed the Ang II-driven elevation of aortic diameter, AAA formation (52.38% decrease, P < 0.05), aortic expansion, elastic lamina destruction, and inflammatory response. In addition, MMP-2 and MMP-9 production were also reduced by platelets transfusion. CONCLUSIONS For the first time, our study reported the beneficial effect of platelet transfusion in suppressing the Ang II-driven AAA progress in mice through the inhibition of inflammation.
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Affiliation(s)
- Xiaowei Liu
- Department of Cardiology, Zhejiang Hospital, Hangzhou, Zhejiang 310013, PR China
| | - Xiaofeng Chen
- Department of Cardiology, Taizhou Hospital, Linhai, Zhejiang 317000, PR China
| | - Chen Xu
- Department of Cardiology, Taizhou Hospital, Linhai, Zhejiang 317000, PR China
| | - Jiangjie Lou
- Department of Cardiology, Zhejiang Hospital, Hangzhou, Zhejiang 310013, PR China
| | - Yingzheng Weng
- Department of Cardiology, Zhejiang Hospital, Hangzhou, Zhejiang 310013, PR China
| | - Lijiang Tang
- Department of Cardiology, Zhejiang Hospital, Hangzhou, Zhejiang 310013, PR China.
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25
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Ma M, Yang X, Han F, Wang H. Circ_0092291 attenuates angiotensin II-induced cell damages in human aortic vascular smooth muscle cells via mediating the miR-626/COL4A1 signal axis. J Physiol Biochem 2022; 78:245-256. [PMID: 34997455 DOI: 10.1007/s13105-021-00859-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 11/15/2021] [Indexed: 11/25/2022]
Abstract
Abdominal aortic aneurysm (AAA) is a potentially fatal vascular disease, and the dysregulated circular RNAs (circRNAs) play key roles in AAA progression. Circ_0092291 was downregulated in AAA patients, but its function in AAA remains unclear. This research was performed for the functional analysis of circ_0092291 and its mechanism exploration with mircoRNA-626 (miR-626) and collagen type IV alpha1 chain (COL4A1) in AAA. Human aortic vascular smooth muscle cells (T/G HA-VSMC) were treated with angiotensin II (Ang II). Levels of circ_0092291, miR-626, and COL4A1 were determined using reverse transcription-quantitative polymerase chain reaction (RT-qPCR). Inflammatory cytokines were examined by enzyme-linked immunosorbent assay (ELISA). Cell apoptosis was measured using caspase3 activity assay and flow cytometry. Angiopoiesis was assessed via tube formation assay. The protein analysis was conducted by western blot. Dual-luciferase reporter assay, RNA immunoprecipitation (RIP), and RNA pull-down assays were used to validate the molecular binding. Circ_0092291 downregulation was found in AAA samples and Ang II-treated cells. Inflammatory response and cell apoptosis were reduced while angiopoiesis and ECM level were facilitated after overexpression of circ_0092291 in Ang II-treated T/G HA-VSMC cells. MiR-626 was a miRNA target for circ_0092291, and miR-626 inhibition protected T/G HA-VSMC from Ang II-induced cell injury. Moreover, the regulation of circ_0092291 was achieved by serving as a miR-626 sponge in Ang II-treated cells. COL4A1 was affirmed as a target for miR-626 and circ_0092291 resulted in the level change of COL4A1 by sponging miR-626. Additionally, miR-626 downregulation inhibited the cell damages caused by Ang II through increasing the level of COL4A1 and the function of circ_0092291 was attributed to the upregulation of COL4A1. The evidence indicated that circ_0092291 could suppress the Ang II-induced cell dysfunction by targeting the miR-626/COL4A1 signaling axis. Circ_0092291 might improve the diagnosis and treatment of AAA.Key Points.Biological mechanism, Apoptosis, Molecular target.
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Affiliation(s)
- Ming Ma
- Department of Vascular Surgery, Shanxi Provincial People's Hospital, No. 29 Shuangta East Street, Taiyuan, 030012, Shanxi Province, China.
| | - Xiaofei Yang
- Department of Vascular Surgery, Shanxi Provincial People's Hospital, No. 29 Shuangta East Street, Taiyuan, 030012, Shanxi Province, China
| | - Feng Han
- Department of Vascular Surgery, Shanxi Provincial People's Hospital, No. 29 Shuangta East Street, Taiyuan, 030012, Shanxi Province, China
| | - Haidong Wang
- Department of Vascular Surgery, Shanxi Provincial People's Hospital, No. 29 Shuangta East Street, Taiyuan, 030012, Shanxi Province, China
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26
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Wang S, Yuan Q, Zhao W, Zhou W. Circular RNA RBM33 contributes to extracellular matrix degradation via miR-4268/EPHB2 axis in abdominal aortic aneurysm. PeerJ 2021; 9:e12232. [PMID: 34820156 PMCID: PMC8603816 DOI: 10.7717/peerj.12232] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 09/09/2021] [Indexed: 12/22/2022] Open
Abstract
Background Abdominal aortic aneurysm (AAA) is a complex vascular disease involving expansion of the abdominal aorta. Extracellular matrix (ECM) degradation is crucial to AAA pathogenesis, however, the specific molecular mechanism remains unclear. This study aimed to investigate differentially expressed circular RNAs (DEcircRNAs) involved in ECM degradation of AAA. Methods Transcriptome sequencing was used to analyze the DEcircRNAs between the AAA tissues and normal tissues. The expression of circRNAs in tissues and cells was validated using quantitative reverse transcription PCR (RT-qPCR). Overexpression of circRNAs in vascular smooth muscle cells (VSMCs) treated with angiotensin II (Ang II) was employed to explore its effect on ECM degradation of AAA. Bioinformatic technology, luciferase reporter gene assay, RT-qPCR, and rescue experiment were employed to evaluate the regulatory mechanism of circRNA. Results We identified 65 DEcircRNAs in AAA tissues compared with normal abdominal aortic tissues, including 30 up-regulated and 35 down-regulated circRNAs, which were mainly involved in inflammation and ECM-related functions and pathways. Moreover, circRBM33 was significantly increased in AAA tissues and Ang II-induced VSMCs compared with control samples. Overexpression of circRBM33 increased the expression of ECM-related molecule matrix metalloproteinase-2 and reduced the tissue inhibitor of matrix metalloproteinases-1 expression. Mechanistically, miR-4268 targeted binding to circRBM33 and inhibited the luciferase activity of circRBM33. Overexpression of circRBM33 induced the expression of EPH receptor B2 (EPHB2), and this effect was countered by miR-4268 mimics. Conclusions Overall, our data suggest that circRBM33 might be involved in AAA progression by regulating ECM degradation via the miR-4268/EPHB2 axis.
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Affiliation(s)
- Shizhi Wang
- Department of Vascular Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Qingwen Yuan
- Department of Vascular Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Wenpeng Zhao
- Department of Vascular Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Weimin Zhou
- Department of Vascular Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China
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Wang Z, Lin F, Cai Z, Lyu G. MiR-143 Mediates the TLR2/NF-κB Pathway to Attenuate AngII-induced Damage to VSMCs. Folia Biol (Praha) 2021. [DOI: 10.3409/fb_69-2.10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Abdominal aortic aneurysm (AAA) is a perilous vascular disease with inflammatory response as its main feature. It is known that the expression of miR-143 is down-regulated in the human aortic aneurysm. In this study, we investigated the effect of miR-143 on AngII-induced VSMCs to learn
the potential mechanisms of miR-143 on AAA at the cellular level. The experimental results showed that the expressions of IL-1β, MCP-1, MMP9/13, TLR2, and NF-κB p65 and the percentage of TUNEL-positive cells in AngII-VSMCs were increased significantly compared with the control group.
miR-143 had the opposite result. When the expression of miR-143 was up-regulated, the expression of IL-β, MCP-1, and MMP9/13 and the percentage of TUNEL-positive cells in AngII-VSMCs was suppressed. With the transfection of miR-143 over-expression plasmid, IL-1β, MCP-1, and MMP9/13
and the percentage of TUNEL-positive cells were reversed, compared to the AngII group and the AngII+oe-TLR2+miR-143 mimic group. In AngII-induced mouse VSMC, the up-regulation of the miR-143 expression could inactivate the TLR2/NF-κB pathway, thereby alleviating inflammatory response,
ECM degradation, and cell apoptosis.
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28
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Cai Z, Huang J, Yang J, Pan B, Wang W, Ou Y, Wang X, Yang P. LncRNA SENCR suppresses abdominal aortic aneurysm formation by inhibiting smooth muscle cells apoptosis and extracellular matrix degradation. Bosn J Basic Med Sci 2021; 21:323-330. [PMID: 32903173 PMCID: PMC8112567 DOI: 10.17305/bjbms.2020.4994] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 08/27/2020] [Indexed: 12/16/2022] Open
Abstract
Abdominal aortic aneurysm (AAA) is a progressive chronic dilatation of the abdominal aorta without effective medical treatment. This study aims to clarify the potential of long non-coding RNA SENCR as a treatment target in AAA. Angiotensin II (Ang-II) was used to establish AAA model in vitro and in vivo. Reverse transcription quantitative PCR and western blot were performed to measure the expression of SENCR and proteins, respectively. Annexin V-FITC/PI double staining was carried out to detect the apoptotic rate in vascular smooth muscle cells (VSMCs), and cell apoptosis in aortic tissues was determined by TUNEL staining. Besides, hematoxylin and eosin and Elastica van Gieson staining were performed for histological analysis of aortic tissues. SENCR was downregulated in AAA tissues and Ang-II-stimulated VSMCs. Overexpression of SENCR could inhibit Ang-II-induced VSMC apoptosis, while inhibition of SENCR facilitated Ang-II-induced VSMC apoptosis. Moreover, the expression of matrix metalloproteinase (MMP)-2 and MMP-9 in Ang-II-induced VSMCs was reduced following SENCR overexpression, while tissue inhibitor of metalloproteinases 1 (TIMP-1) expression was increased. In vivo, overexpression of SENCR improved the pathological change in aortic tissues and the damage in arterial wall elastic fibers induced by Ang-II, as well as suppressed Ang-II-induced cell apoptosis and extracellular matrix degradation. Overall, SENCR was decreased in AAA. Overexpression of SENCR inhibited AAA formation via inhibition of VSMC apoptosis and extracellular matrix degradation. We provided a reliable evidence for SENCR acting as a potential target for AAA treatment.
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Affiliation(s)
- Zhou Cai
- Department of General Surgery, Xiangya Hospital Central South University, Changsha, China
| | - Jianhua Huang
- Department of General Surgery, Xiangya Hospital Central South University, Changsha, China
| | - Junxiao Yang
- Department of Orthopedics, Xiangya Hospital Central South University, Changsha, China
| | - Baihong Pan
- Department of General Surgery, Xiangya Hospital Central South University, Changsha, China
| | - Wei Wang
- Department of General Surgery, Xiangya Hospital Central South University, Changsha, China
| | - Yangyang Ou
- Department of General Surgery, Xiangya Hospital Central South University, Changsha, China
| | - Xianwei Wang
- Department of General Surgery, Xiangya Hospital Central South University, Changsha, China
| | - Pu Yang
- Department of General Surgery, Xiangya Hospital Central South University, Changsha, China
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Adams L, Brangsch J, Hamm B, Makowski MR, Keller S. Targeting the Extracellular Matrix in Abdominal Aortic Aneurysms Using Molecular Imaging Insights. Int J Mol Sci 2021; 22:ijms22052685. [PMID: 33799971 PMCID: PMC7962044 DOI: 10.3390/ijms22052685] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/02/2021] [Accepted: 03/04/2021] [Indexed: 12/22/2022] Open
Abstract
This review outlines recent preclinical and clinical advances in molecular imaging of abdominal aortic aneurysms (AAA) with a focus on molecular magnetic resonance imaging (MRI) of the extracellular matrix (ECM). In addition, developments in pharmacologic treatment of AAA targeting the ECM will be discussed and results from animal studies will be contrasted with clinical trials. Abdominal aortic aneurysm (AAA) is an often fatal disease without non-invasive pharmacologic treatment options. The ECM, with collagen type I and elastin as major components, is the key structural component of the aortic wall and is recognized as a target tissue for both initiation and the progression of AAA. Molecular imaging allows in vivo measurement and characterization of biological processes at the cellular and molecular level and sets forth to visualize molecular abnormalities at an early stage of disease, facilitating novel diagnostic and therapeutic pathways. By providing surrogate criteria for the in vivo evaluation of the effects of pharmacological therapies, molecular imaging techniques targeting the ECM can facilitate pharmacological drug development. In addition, molecular targets can also be used in theranostic approaches that have the potential for timely diagnosis and concurrent medical therapy. Recent successes in preclinical studies suggest future opportunities for clinical translation. However, further clinical studies are needed to validate the most promising molecular targets for human application.
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Affiliation(s)
- Lisa Adams
- Charité—Universitaetsmedizin Berlin Corporate Member of Freie Universität Berlin Humboldt-Universitaet zu Berlin, and Berlin Institute of Health, Charitéplatz 1, 10117 Berlin, Germany; (J.B.); (B.H.); (M.R.M.); (S.K.)
- Berlin Institute of Health (BIH), 10178 Berlin, Germany
- Correspondence: ; Tel.: +49-30-450-627-376
| | - Julia Brangsch
- Charité—Universitaetsmedizin Berlin Corporate Member of Freie Universität Berlin Humboldt-Universitaet zu Berlin, and Berlin Institute of Health, Charitéplatz 1, 10117 Berlin, Germany; (J.B.); (B.H.); (M.R.M.); (S.K.)
| | - Bernd Hamm
- Charité—Universitaetsmedizin Berlin Corporate Member of Freie Universität Berlin Humboldt-Universitaet zu Berlin, and Berlin Institute of Health, Charitéplatz 1, 10117 Berlin, Germany; (J.B.); (B.H.); (M.R.M.); (S.K.)
| | - Marcus R. Makowski
- Charité—Universitaetsmedizin Berlin Corporate Member of Freie Universität Berlin Humboldt-Universitaet zu Berlin, and Berlin Institute of Health, Charitéplatz 1, 10117 Berlin, Germany; (J.B.); (B.H.); (M.R.M.); (S.K.)
- Department of Diagnostic and Interventional Radiology, Technical University of Munich, Ismaninger Str. 22, 81675 Munich, Germany
| | - Sarah Keller
- Charité—Universitaetsmedizin Berlin Corporate Member of Freie Universität Berlin Humboldt-Universitaet zu Berlin, and Berlin Institute of Health, Charitéplatz 1, 10117 Berlin, Germany; (J.B.); (B.H.); (M.R.M.); (S.K.)
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Ding Y, Li X, Zhou M, Cai L, Tang H, Xie T, Shi Z, Fu W. Factor Xa inhibitor rivaroxaban suppresses experimental abdominal aortic aneurysm progression via attenuating aortic inflammation. Vascul Pharmacol 2021; 136:106818. [PMID: 33227452 DOI: 10.1016/j.vph.2020.106818] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 10/27/2020] [Accepted: 11/13/2020] [Indexed: 12/13/2022]
Abstract
OBJECTIVE Rivaroxaban is a specific factor Xa (FXa) inhibitor for venous thromboembolism treatment. Recently, increasing evidence have reported the beneficial effects of rivaroxaban on treating cardiovascular disorders such as coronary and peripheral artery disease. However, its potential influence on abdominal aortic aneurysm (AAA) remains unclear. This study aims to investigate whether rivaroxaban treatment could attenuate experimental AAA progression and its related mechanisms. APPROACHES AND RESULTS In human aneurysmal aorta, FXa protein expression was significantly upregulated. Further investigations identified a positive correlation among plasma FXa level, AAA severity (the maximal aortic diameter), and intra-aneurysmal thrombus percentage. In Ang II (angiotensin II)-infused ApoE-/- mice, the administration of high dose rivaroxaban (15 mg/kg/d) for 14 days significantly reduced the maximal aortic diameter, while low dose rivaroxaban (5 mg/kg/d) did not display such a protective role. Although rivaroxaban treatments reduced the incidence of AAA and thrombus formation, these differences did not reach statistical significance. Immunohistochemistry revealed a pronounced aortic remodeling including increased collagen content and enhanced elastin degradation in Ang II-induced AAAs, which was inhibited by high dose rivaroxaban treatment. Further analysis demonstrated that rivaroxaban exerted its protective effects by decreasing leukocyte infiltration, inflammatory cytokines expression, and matrix metalloproteinases (MMPs) expression in the aortic wall. The inhibitory effect of rivaroxaban on aneurysm development was also observed in calcium chloride-induced AAA model. Mechanistically, in human aortic endothelial cells, FXa stimulation increased the expression of inflammatory cytokines (interleukin (IL)-1β, IL-6, IL-8, monocyte chemoattractant protein-1) and adhesive molecules, which were all reversed by the cotreatment of rivaroxaban. Subsequent monocyte-endothelial cell interaction was enhanced after FXa stimulation and was alleviated by rivaroxaban cotreatment. In addition, FXa induced a significantly heightened expression of MMP2 in human aortic endothelial cells, which was ameliorated by rivaroxaban coadministration. CONCLUSIONS Rivaroxaban attenuated both angiotensin II- and calcium chloride-induced abdominal aortic aneurysm (AAA) progressions, through inhibiting aortic remodeling and inflammation. Rivaroxaban could be a promising therapeutic agent in attenuating AAA development by counteracting FXa-induced aortic wall inflammation.
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MESH Headings
- Angiotensin II
- Animals
- Anti-Inflammatory Agents/pharmacology
- 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
- Aortitis/chemically induced
- Aortitis/metabolism
- Aortitis/pathology
- Aortitis/prevention & control
- Calcium Chloride
- Cell Adhesion Molecules/metabolism
- Cytokines/metabolism
- Dilatation, Pathologic
- Disease Models, Animal
- Disease Progression
- Factor Xa Inhibitors/pharmacology
- Humans
- Inflammation Mediators/metabolism
- Male
- Mice, Knockout, ApoE
- Retrospective Studies
- Rivaroxaban/pharmacology
- Signal Transduction
- Vascular Remodeling/drug effects
- Mice
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Affiliation(s)
- Yong Ding
- Department of Vascular Surgery, Zhongshan hospital, Institute of Vascular Surgery, Fudan University, Shanghai, China
| | - Xu Li
- Department of Vascular Surgery, Zhongshan hospital, Institute of Vascular Surgery, Fudan University, Shanghai, China
| | - Min Zhou
- Department of Vascular Surgery, Zhongshan hospital, Institute of Vascular Surgery, Fudan University, Shanghai, China
| | - Liang Cai
- Department of Vascular Surgery, Zhongshan hospital, Institute of Vascular Surgery, Fudan University, Shanghai, China
| | - Hanfei Tang
- Department of Vascular Surgery, Zhongshan hospital, Institute of Vascular Surgery, Fudan University, Shanghai, China
| | - Tianchen Xie
- Department of Vascular Surgery, Zhongshan hospital, Institute of Vascular Surgery, Fudan University, Shanghai, China
| | - Zhenyu Shi
- Department of Vascular Surgery, Zhongshan hospital, Institute of Vascular Surgery, Fudan University, Shanghai, China.
| | - Weiguo Fu
- Department of Vascular Surgery, Zhongshan hospital, Institute of Vascular Surgery, Fudan University, Shanghai, China.
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Bisogni V, Cerasari A, Pucci G, Vaudo G. Matrix Metalloproteinases and Hypertension-Mediated Organ Damage: Current Insights. Integr Blood Press Control 2020; 13:157-169. [PMID: 33173330 PMCID: PMC7646380 DOI: 10.2147/ibpc.s223341] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 09/12/2020] [Indexed: 12/16/2022] Open
Abstract
Matrix metalloproteinases (MMPs) are important extracellular enzymes involved in many physiological and pathological processes. Changes in the activity and concentration of specific MMPs, as well as the unbalance with their inhibitors (tissue inhibitors of metalloproteinases – TIMPs), have been described as a part of the pathogenic cascade promoted by arterial hypertension. MMPs are able to degrade various protein substrates in the extracellular matrix, to influence endothelial cells function, vascular smooth muscle cells migration, proliferation and contraction, and to stimulate cardiomyocytes changes. All these processes can be activated by chronically elevated blood pressure values. Animal and human studies demonstrated the key function of MMPs in the pathogenesis of hypertension-mediated vascular, cardiac, and renal damage, besides age and blood pressure values. Thus, the role of MMPs as biomarkers of hypertension-mediated organ damage and potential pharmacological treatment targets to prevent further cardiovascular and renal complications in hypertensive population is increasingly supported. In this review, we aimed to describe the main scientific evidence about the behavior of MMPs in the development of vascular, cardiac, and renal damage in hypertensive patients.
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Affiliation(s)
- Valeria Bisogni
- Unit of Internal Medicine, Terni University Hospital, Terni, Italy
| | - Alberto Cerasari
- Unit of Internal Medicine, Terni University Hospital, Terni, Italy.,Department of Medicine, University of Perugia, Perugia, Italy
| | - Giacomo Pucci
- Unit of Internal Medicine, Terni University Hospital, Terni, Italy.,Department of Medicine, University of Perugia, Perugia, Italy
| | - Gaetano Vaudo
- Unit of Internal Medicine, Terni University Hospital, Terni, Italy.,Department of Medicine, University of Perugia, Perugia, Italy
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