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Xiang Q, Tian F, Xu J, Du X, Zhang S, Liu L. New insight into dyslipidemia‐induced cellular senescence in atherosclerosis. Biol Rev Camb Philos Soc 2022; 97:1844-1867. [PMID: 35569818 PMCID: PMC9541442 DOI: 10.1111/brv.12866] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 04/18/2022] [Accepted: 04/28/2022] [Indexed: 11/28/2022]
Abstract
Atherosclerosis, characterized by lipid‐rich plaques in the arterial wall, is an age‐related disorder and a leading cause of mortality worldwide. However, the specific mechanisms remain complex. Recently, emerging evidence has demonstrated that senescence of various types of cells, such as endothelial cells (ECs), vascular smooth muscle cells (VSMCs), macrophages, endothelial progenitor cells (EPCs), and adipose‐derived mesenchymal stem cells (AMSCs) contributes to atherosclerosis. Cellular senescence and atherosclerosis share various causative stimuli, in which dyslipidemia has attracted much attention. Dyslipidemia, mainly referred to elevated plasma levels of atherogenic lipids or lipoproteins, or functional impairment of anti‐atherogenic lipids or lipoproteins, plays a pivotal role both in cellular senescence and atherosclerosis. In this review, we summarize the current evidence for dyslipidemia‐induced cellular senescence during atherosclerosis, with a focus on low‐density lipoprotein (LDL) and its modifications, hydrolysate of triglyceride‐rich lipoproteins (TRLs), and high‐density lipoprotein (HDL), respectively. Furthermore, we describe the underlying mechanisms linking dyslipidemia‐induced cellular senescence and atherosclerosis. Finally, we discuss the senescence‐related therapeutic strategies for atherosclerosis, with special attention given to the anti‐atherosclerotic effects of promising geroprotectors as well as anti‐senescence effects of current lipid‐lowering drugs.
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Affiliation(s)
- Qunyan Xiang
- Department of Geriatrics, The Second Xiangya Hospital Central South University Changsha Hunan 410011 PR China
- Institute of Aging and Age‐related Disease Research Central South University Changsha Hunan 410011 PR China
| | - Feng Tian
- Department of Geriatric Cardiology The First Affiliated Hospital of Zhengzhou University Zhengzhou Henan 450000 PR China
| | - Jin Xu
- Department of Cardiovascular Medicine, The Second Xiangya Hospital Central South University Changsha Hunan 410011 PR China
- Research Institute of Blood Lipid and Atherosclerosis Central South University Changsha Hunan 410011 PR China
- Modern Cardiovascular Disease Clinical Technology Research Center of Hunan Province Changsha Hunan 410011 PR China
- Cardiovascular Disease Research Center of Hunan Province Changsha Hunan 410011 PR China
| | - Xiao Du
- Department of Cardiovascular Medicine, The Second Xiangya Hospital Central South University Changsha Hunan 410011 PR China
- Research Institute of Blood Lipid and Atherosclerosis Central South University Changsha Hunan 410011 PR China
- Modern Cardiovascular Disease Clinical Technology Research Center of Hunan Province Changsha Hunan 410011 PR China
- Cardiovascular Disease Research Center of Hunan Province Changsha Hunan 410011 PR China
| | - Shilan Zhang
- Department of Gastroenterology, The Second Xiangya Hospital Central South University Changsha Hunan 410011 PR China
| | - Ling Liu
- Department of Cardiovascular Medicine, The Second Xiangya Hospital Central South University Changsha Hunan 410011 PR China
- Research Institute of Blood Lipid and Atherosclerosis Central South University Changsha Hunan 410011 PR China
- Modern Cardiovascular Disease Clinical Technology Research Center of Hunan Province Changsha Hunan 410011 PR China
- Cardiovascular Disease Research Center of Hunan Province Changsha Hunan 410011 PR China
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Yang CC, Hsiao LD, Lin HH, Tseng HC, Situmorang JH, Leu YL, Yang CM. Induction of HO-1 by 5, 8-Dihydroxy-4',7-Dimethoxyflavone via Activation of ROS/p38 MAPK/Nrf2 Attenuates Thrombin-Induced Connective Tissue Growth Factor Expression in Human Cardiac Fibroblasts. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:1080168. [PMID: 33343802 PMCID: PMC7732388 DOI: 10.1155/2020/1080168] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 11/11/2020] [Accepted: 11/18/2020] [Indexed: 12/18/2022]
Abstract
Heme oxygenase-1 (HO-1) has been shown to exert as an antioxidant and anti-inflammatory enzyme in cardiovascular inflammatory diseases. Flavonoids have been demonstrated to display anti-inflammatory and antioxidant effects through the induction of HO-1. 5,8-Dihydroxy-4',7-dimethoxyflavone (DDF), one of the flavonoid compounds, is isolated from Reevesia formosana. Whether DDF induced HO-1 expression on human cardiac fibroblasts (HCFs) remained unknown. Here, we found that DDF time- and concentration-dependently induced HO-1 protein and mRNA expression, which was attenuated by pretreatment with reactive oxygen species (ROS) scavenger N-acetyl cysteine (NAC) in HCFs. DDF-enhanced ROS generation was attenuated by NAC, but not by either diphenyleneiodonium chloride (DPI, Nox inhibitor) or MitoTempol (mitochondrial ROS scavenger). Interestingly, pretreatment with glutathione (GSH) inhibited DDF-induced HO-1 expression. The ratio of GSH/GSSG was time-dependently decreased in DDF-treated HCFs. DDF-induced HO-1 expression was attenuated by an inhibitor of p38 MAPK (p38i VIII) or siRNA, but not by MEK1/2 (PD98059) or JNK1/2 (SP600125). DDF-stimulated p38 MAPK phosphorylation was inhibited by GSH or p38i VIII. Moreover, DDF-induced HO-1 expression was mediated through Nrf2 phosphorylation and translocation into the nucleus which was attenuated by NAC or p38 siRNA. DDF also stimulated antioxidant response element (ARE) promoter activity which was inhibited by NAC, GSH, or p38i VIII. Interaction between Nrf2 and the ARE-binding sites on the HO-1 promoter was revealed by chromatin immunoprecipitation assay, which was attenuated by NAC, GSH, or p38i VIII. We further evaluated the functional effect of HO-1 expression on the thrombin-induced fibrotic responses. Our result indicated that the induction of HO-1 by DDF can attenuate the thrombin-induced connective tissue growth factor expression. These results suggested that DDF-induced HO-1 expression is, at least, mediated through the activation of the ROS-dependent p38 MAPK/Nrf2 signaling pathway in HCFs. Thus, the upregulation of HO-1 by DDF could be a candidate for the treatment of heart fibrosis.
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Affiliation(s)
- Chien-Chung Yang
- Department of Traditional Chinese Medicine, Chang Gung Memorial Hospital at Tao-Yuan, Kwei-San, Tao-Yuan 33302, Taiwan
- School of Traditional Chinese Medicine, College of Medicine, Chang Gung University, Kwei-San, Tao-Yuan 33302, Taiwan
| | - Li-Der Hsiao
- Department of Pharmacology, College of Medicine, China Medical University, Taichung 40402, Taiwan
| | - Hsin-Hui Lin
- Department of Pharmacology, College of Medicine, China Medical University, Taichung 40402, Taiwan
| | - Hui-Ching Tseng
- Department of Pharmacology, College of Medicine, China Medical University, Taichung 40402, Taiwan
| | - Jiro Hasegawa Situmorang
- Department of Pharmacology, College of Medicine, China Medical University, Taichung 40402, Taiwan
| | - Yann-Lii Leu
- Graduate Institute of Natural Products, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan
| | - Chuen-Mao Yang
- Department of Pharmacology, College of Medicine, China Medical University, Taichung 40402, Taiwan
- Ph.D. Program for Biotech Pharmaceutical Industry, China Medical University, Taichung 40402, Taiwan
- Department of Post-Baccalaureate Veterinary Medicine, College of Medical and Health Science, Asia University, Wufeng, Taichung 41354, Taiwan
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Dong J, Feng X, Zhang J, Zhang Y, Xia F, Liu L, Jin Z, Lu C, Xia Y, Papadimos TJ, Xu X. ω-3 fish oil fat emulsion preconditioning mitigates myocardial oxidative damage in rats through aldehydes stress. Biomed Pharmacother 2019; 118:109198. [PMID: 31336342 DOI: 10.1016/j.biopha.2019.109198] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 06/23/2019] [Accepted: 07/02/2019] [Indexed: 11/21/2022] Open
Abstract
ω-3 fish oil fat emulsions contain a considerable quantity of unsaturated carbon-carbon double bonds, which undergo lipid peroxidation to yield low-dose aldehydes. These aldehydes may stimulate the production of antioxidant enzymes, thereby mitigating myocardial oxidative damage. This study aims to (1) verify the cardioprotective effect of ω-3 fish oil fat emulsion in vivo and in vitro, and (2) determine whether aldehyde stress is a protective mechanism. For modeling purposes, we pretreated rats with 2 ml/kg of a 10% ω-3 fish oil fat emulsion for 5 days in order to generate a sufficient aldehyde stress response to trigger the production of antioxidant enzymes, and we obtained similar response with H9C2 cells that were pretreated with a 0.5% ω-3 fish oil fat emulsion for 24 h. ω-3 fish oil fat emulsion pretreatment in vivo reduced the myocardial infarct size, decreased the incidence of arrhythmias, and promoted the recovery of cardiac function after myocardial ischemia/reperfusion injury. Once the expression of nuclear factor E2-related factor 2 (Nrf2) was silenced in H9C2 cells, aldehydes no longer produced enough antioxidant enzymes to reverse the oxidative damage caused by tert-butyl hydroperoxide (TBHP). Our results demonstrated that ω-3 fish oil fat emulsion enhanced the inhibition of oxidation and production of free radicals, and alleviated myocardial oxidative injury via activation of the Nrf2 signaling pathway.
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Affiliation(s)
- Jiaojiao Dong
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Xiaona Feng
- Department of Anesthesiology, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, Zhejiang, China
| | - Jingxiong Zhang
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Yujian Zhang
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Fangfang Xia
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Le Liu
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Zhousheng Jin
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Caijiao Lu
- Burn Wound Center, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Yun Xia
- Department of Anesthesiology, The Ohio State University Medical Center, Columbus, OH, USA
| | - Thomas J Papadimos
- Department of Anesthesiology, The Ohio State University Medical Center, Columbus, OH, USA
| | - Xuzhong Xu
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China.
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Vara D, Watt JM, Fortunato TM, Mellor H, Burgess M, Wicks K, Mace K, Reeksting S, Lubben A, Wheeler-Jones CPD, Pula G. Direct Activation of NADPH Oxidase 2 by 2-Deoxyribose-1-Phosphate Triggers Nuclear Factor Kappa B-Dependent Angiogenesis. Antioxid Redox Signal 2018; 28:110-130. [PMID: 28793782 PMCID: PMC5725637 DOI: 10.1089/ars.2016.6869] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
AIMS Deoxyribose-1-phosphate (dRP) is a proangiogenic paracrine stimulus released by cancer cells, platelets, and macrophages and acting on endothelial cells. The objective of this study was to clarify how dRP stimulates angiogenic responses in human endothelial cells. RESULTS Live cell imaging, electron paramagnetic resonance, pull-down of dRP-interacting proteins, followed by immunoblotting, gene silencing of different NADPH oxidases (NOXs), and their regulatory cosubunits by small interfering RNA (siRNA) transfection, and experiments with inhibitors of the sugar transporter glucose transporter 1 (GLUT1) were utilized to demonstrate that dRP acts intracellularly by directly activating the endothelial NOX2 complex, but not NOX4. Increased reactive oxygen species generation in response to NOX2 activity leads to redox-dependent activation of the transcription factor nuclear factor kappa B (NF-κB), which, in turn, induces vascular endothelial growth factor receptor 2 (VEGFR2) upregulation. Using endothelial tube formation assays, gene silencing by siRNA, and antibody-based receptor inhibition, we demonstrate that the activation of NF-κB and VEGFR2 is necessary for the angiogenic responses elicited by dRP. The upregulation of VEGFR2 and NOX2-dependent stimulation of angiogenesis by dRP were confirmed in excisional wound and Matrigel plug vascularization assays in vivo using NOX2-/- mice. INNOVATION For the first time, we demonstrate that dRP acts intracellularly and stimulates superoxide anion generation by direct binding and activation of the NOX2 enzymatic complex. CONCLUSIONS This study describes a novel molecular mechanism underlying the proangiogenic activity of dRP, which involves the sequential activation of NOX2 and NF-κB and upregulation of VEGFR2. Antioxid. Redox Signal. 28, 110-130.
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Affiliation(s)
- Dina Vara
- 1 Institute of Biomedical and Clinical Science, University of Exeter Medical School , Exeter, United Kingdom
| | - Joanna M Watt
- 2 Department of Pharmacy and Pharmacology, University of Bath , Bath, United Kingdom
| | - Tiago M Fortunato
- 3 Department of Biomedical Engineering, Eindhoven University of Technology , Eindhoven, The Netherlands
| | - Harry Mellor
- 4 Department of Biochemistry, University of Bristol , Bristol, United Kingdom
| | - Matthew Burgess
- 5 The Healing Foundation Centre, University of Manchester , Manchester, United Kingdom
| | - Kate Wicks
- 5 The Healing Foundation Centre, University of Manchester , Manchester, United Kingdom
| | - Kimberly Mace
- 5 The Healing Foundation Centre, University of Manchester , Manchester, United Kingdom
| | - Shaun Reeksting
- 6 Mass Spectrometry Service and Chemical Characterisation and Analysis Facility, University of Bath , Bath, United Kingdom
| | - Anneke Lubben
- 6 Mass Spectrometry Service and Chemical Characterisation and Analysis Facility, University of Bath , Bath, United Kingdom
| | | | - Giordano Pula
- 1 Institute of Biomedical and Clinical Science, University of Exeter Medical School , Exeter, United Kingdom
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