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Guan X, Hu Y, Hao J, Lu M, Zhang Z, Hu W, Li D, Li C. Stress, Vascular Smooth Muscle Cell Phenotype and Atherosclerosis: Novel Insight into Smooth Muscle Cell Phenotypic Transition in Atherosclerosis. Curr Atheroscler Rep 2024; 26:411-425. [PMID: 38814419 DOI: 10.1007/s11883-024-01220-8] [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] [Accepted: 05/20/2024] [Indexed: 05/31/2024]
Abstract
PURPOSE OF REVIEW Our work is to establish more distinct association between specific stress and vascular smooth muscle cells (VSMCs) phenotypes to alleviate atherosclerotic plaque burden and delay atherosclerosis (AS) progression. RECENT FINDING In recent years, VSMCs phenotypic transition has received significant interests. Different stresses were found to be associated with VSMCs phenotypic transition. However, the explicit correlation between VSMCs phenotype and specific stress has not been elucidated clearly yet. We discover that VSMCs phenotypic transition, which is widely involved in the progression of AS, is associated with specific stress. We discuss approaches targeting stresses to intervene VSMCs phenotypic transition, which may contribute to develop innovative therapies for AS.
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Affiliation(s)
- Xiuya Guan
- Innovation Research Institute of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Yuanlong Hu
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Jiaqi Hao
- Innovation Research Institute of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Mengkai Lu
- Innovation Research Institute of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Zhiyuan Zhang
- Innovation Research Institute of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Wenxian Hu
- Qingdao Hiser Hospital Affiliated of Qingdao University (Qingdao Traditional Chinese Medicine Hospital), Qingdao, 266000, China.
| | - Dongxiao Li
- Experimental Center, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China.
| | - Chao Li
- Innovation Research Institute of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China.
- Qingdao Hiser Hospital Affiliated of Qingdao University (Qingdao Traditional Chinese Medicine Hospital), Qingdao, 266000, China.
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Kang JH, Kawano T, Murata M, Toita R. Vascular calcification and cellular signaling pathways as potential therapeutic targets. Life Sci 2024; 336:122309. [PMID: 38042282 DOI: 10.1016/j.lfs.2023.122309] [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: 10/05/2023] [Revised: 11/21/2023] [Accepted: 11/24/2023] [Indexed: 12/04/2023]
Abstract
Increased vascular calcification (VC) is observed in patients with cardiovascular diseases such as atherosclerosis, diabetes, and chronic kidney disease. VC is divided into three types according to its location: intimal, medial, and valvular. Various cellular signaling pathways are associated with VC, including the Wnt, mitogen-activated protein kinase, phosphatidylinositol-3 kinase/Akt, cyclic nucleotide-dependent protein kinase, protein kinase C, calcium/calmodulin-dependent kinase II, adenosine monophosphate-activated protein kinase/mammalian target of rapamycin, Ras homologous GTPase, apoptosis, Notch, and cytokine signaling pathways. In this review, we discuss the literature concerning the key cellular signaling pathways associated with VC and their role as potential therapeutic targets. Inhibitors to these pathways represent good candidates for use as potential therapeutic agents for the prevention and treatment of VC.
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Affiliation(s)
- Jeong-Hun Kang
- National Cerebral and Cardiovascular Center Research Institute, 6-1 Shinmachi, Kishibe, Suita, Osaka 564-8565, Japan.
| | - Takahito Kawano
- Center for Advanced Medical Innovation, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Masaharu Murata
- Center for Advanced Medical Innovation, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Riki Toita
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-8-31 Midorigaoka, Ikeda, Osaka, 563-8577, Japan; AIST-Osaka University Advanced Photonics and Biosensing Open Innovation Laboratory, AIST, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
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Paumann-Page M, Obinger C, Winterbourn CC, Furtmüller PG. Peroxidasin Inhibition by Phloroglucinol and Other Peroxidase Inhibitors. Antioxidants (Basel) 2023; 13:23. [PMID: 38275643 PMCID: PMC10812467 DOI: 10.3390/antiox13010023] [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: 11/14/2023] [Revised: 12/14/2023] [Accepted: 12/18/2023] [Indexed: 01/27/2024] Open
Abstract
Human peroxidasin (PXDN) is a ubiquitous peroxidase enzyme expressed in most tissues in the body. PXDN represents an interesting therapeutic target for inhibition, as it plays a role in numerous pathologies, including cardiovascular disease, cancer and fibrosis. Like other peroxidases, PXDN generates hypohalous acids and free radical species, thereby facilitating oxidative modifications of numerous biomolecules. We have studied the inhibition of PXDN halogenation and peroxidase activity by phloroglucinol and 14 other peroxidase inhibitors. Although a number of compounds on their own potently inhibited PXDN halogenation activity, only five were effective in the presence of a peroxidase substrate with IC50 values in the low μM range. Using sequential stopped-flow spectrophotometry, we examined the mechanisms of inhibition for several compounds. Phloroglucinol was the most potent inhibitor with a nanomolar IC50 for purified PXDN and IC50 values of 0.95 μM and 1.6 μM for the inhibition of hypobromous acid (HOBr)-mediated collagen IV cross-linking in a decellularized extracellular matrix and a cell culture model. Other compounds were less effective in these models. Most interestingly, phloroglucinol was identified to irreversibly inhibit PXDN, either by mechanism-based inhibition or tight binding. Our work has highlighted phloroglucinol as a promising lead compound for the design of highly specific PXDN inhibitors and the assays used in this study provide a suitable approach for high-throughput screening of PXDN inhibitors.
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Affiliation(s)
- Martina Paumann-Page
- Mātai Hāora Centre for Redox Biology and Medicine, University of Otago Christchurch, Ōtautahi Christchurch 8011, New Zealand;
- Institute of Biochemistry, Department of Chemistry, University of Natural Resources and Life Sciences, Vienna, Muthgasse 18, 1190 Vienna, Austria;
| | - Christian Obinger
- Institute of Biochemistry, Department of Chemistry, University of Natural Resources and Life Sciences, Vienna, Muthgasse 18, 1190 Vienna, Austria;
| | - Christine C. Winterbourn
- Mātai Hāora Centre for Redox Biology and Medicine, University of Otago Christchurch, Ōtautahi Christchurch 8011, New Zealand;
| | - Paul G. Furtmüller
- Institute of Biochemistry, Department of Chemistry, University of Natural Resources and Life Sciences, Vienna, Muthgasse 18, 1190 Vienna, Austria;
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He G, Wang X, Liu W, Li Y, Shao Y, Liu W, Liang X, Bao X. Chemical constituents, pharmacological effects, toxicology, processing and compatibility of Fuzi (lateral root of Aconitum carmichaelii Debx): A review. JOURNAL OF ETHNOPHARMACOLOGY 2023; 307:116160. [PMID: 36773791 DOI: 10.1016/j.jep.2023.116160] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 12/23/2022] [Accepted: 01/08/2023] [Indexed: 06/18/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The lateral root of Aconitum carmichaelii Debx is known as Fuzi in Chinese. It is traditionally valued and used for dispelling cold, relieving pain effects, restoring 'Yang,' and treating shock despite its high toxicity. This review aims to provide comprehensive information on the chemical composition, pharmacological research, preparation, and compatibility of Fuzi to help reduce its toxicity and increase its efficiency, based on the scientific literature. In addition, this review will establish a new foundation for further studies on Fuzi. MATERIALS AND METHODS A systematic review of the literature on Fuzi was performed using several resources, namely classic books on Chinese herbal medicine and various scientific databases, such as PubMed, the Web of Science, and the China Knowledge Resource Integrated databases. RESULTS Fuzi extracts contain diester-type alkaloids, monoester-type alkaloids, other types of alkaloids, and non-alkaloids types, and have various pharmacological activities, such as strong heart effect, effect on blood vessels, and antidepressant, anti-diabetes, anti-inflammatory, pain-relieving, antitumor, immunomodulatory, and other therapeutic effects. However, these extracts can also lead to various toxicities such as cardiotoxicity, neurotoxicity, reproductive toxicity, hepatotoxicity, and embryonic toxicity. In vivo and in vitro experiments have demonstrated that different processing methods and suitable compatibility with other herbs can effectively reduce the toxicities and increase the efficiency of Fuzi. CONCLUSION The therapeutic potential of Fuzi has been demonstrated in conditions, such as heart failure, various pains, inflammation, and tumors, which is attributed to the diester-type alkaloids, monoester-type alkaloids, other types of alkaloids, and non-alkaloid types. In contrast, they are also toxic components. Proper processing and suitable compatibility can effectively reduce toxicity and increase the efficiency of Fuzi. Thus more pharmacological and toxicological mechanisms on main active compounds are necessary to be explored.
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Affiliation(s)
- Guannan He
- Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Xiaoxin Wang
- Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Weiran Liu
- Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yuling Li
- Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yumeng Shao
- Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Weidong Liu
- Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Xiaodong Liang
- Shandong University of Traditional Chinese Medicine, Jinan, China.
| | - Xia Bao
- Shandong University of Traditional Chinese Medicine, Jinan, China
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Li Y, He S, Wang C, Jian W, Shen X, Shi Y, Liu J. Fibroblast growth factor 21 inhibits vascular calcification by ameliorating oxidative stress of vascular smooth muscle cells. Biochem Biophys Res Commun 2023; 650:39-46. [PMID: 36773338 DOI: 10.1016/j.bbrc.2023.01.054] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 12/23/2022] [Accepted: 01/18/2023] [Indexed: 01/21/2023]
Abstract
Vascular calcification is very common in clinical. Severe vascular calcification is related to the occurrence of adverse events. Oxidative stress (OS) plays a pathophysiological role in the formation of vascular calcification. Previous studies have demonstrated that fibroblast growth factor 21(FGF21) could inhibit vascular calcification both in vivo and in vitro. FGF21 has also been proved to promote the recovery of superoxide dismutase (SOD) and thereby alleviate OS. Thus, our assumption was that FGF21 inhibit vascular calcification partly by restoring the level of antioxidant SOD and reducing OS. In this study, we established the vascular calcification by 5/6 nephrectomy plus high phosphate diet chronic kidney disease (CKD) model. The results showed the receptor of FGF21, fibroblast growth factor receptor 1 (FGFR1) and βKlotho in the aorta increased in CKD group, and mainly located in the media of the artery. Ulteriorly, immunofluorescence (IF) and IHC staining showed that FGFR1 and βKlotho mainly existed in arterial vascular smooth muscle cells (VSMCs). When FGF21 was knock out, the calcification was more severe in FGF21 KO + CKD mice, compared to wild type (WT)+ CKD mice. The transcriptional level of vascular calcification-related genes was significantly higher in FGF21 KO mice than control group. The dihydroethidium (DHE) staining reactive oxygen species (ROS) level in the CKD group was higher compared to the control group, but lower in FGF21 KO + CKD group, and the transcriptional level of SOD1 and SOD2 in FGF21 KO + CKD group was significantly higher than that in CKD group. In conclusion, FGF21 could inhibit vascular calcification, partly by restoring the level of antioxidant SOD and reducing vascular oxidative stress. This study provides further evidence for FGF21 as a candidate drug for cardiovascular protective agents.
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Affiliation(s)
- Yingkai Li
- Center for Coronary Artery Disease (CCAD), Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung, and Blood Vessel Diseases, Beijing, 100029, China.
| | - Songyuan He
- Center for Coronary Artery Disease (CCAD), Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung, and Blood Vessel Diseases, Beijing, 100029, China.
| | - Cong Wang
- Center for Coronary Artery Disease (CCAD), Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung, and Blood Vessel Diseases, Beijing, 100029, China.
| | - Wen Jian
- Center for Coronary Artery Disease (CCAD), Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung, and Blood Vessel Diseases, Beijing, 100029, China.
| | - Xueqian Shen
- Center for Coronary Artery Disease (CCAD), Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung, and Blood Vessel Diseases, Beijing, 100029, China.
| | - Yuchen Shi
- Center for Coronary Artery Disease (CCAD), Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung, and Blood Vessel Diseases, Beijing, 100029, China.
| | - Jinghua Liu
- Center for Coronary Artery Disease (CCAD), Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung, and Blood Vessel Diseases, Beijing, 100029, China.
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López-Acosta O, Ruiz-Ramírez A, Barrios-Maya MÁ, Alarcon-Aguilar J, Alarcon-Enos J, Céspedes Acuña CL, El-Hafidi M. Lipotoxicity, glucotoxicity and some strategies to protect vascular smooth muscle cell against proliferative phenotype in metabolic syndrome. Food Chem Toxicol 2023; 172:113546. [PMID: 36513245 DOI: 10.1016/j.fct.2022.113546] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 11/16/2022] [Accepted: 11/29/2022] [Indexed: 12/14/2022]
Abstract
Metabolic syndrome (MetS) is a risk factor for the development of cardiovascular disease (CVD) and atherosclerosis through a mechanism that involves vascular smooth muscle cell (VSMC) proliferation, lipotoxicity and glucotoxicity. Several molecules found to be increased in MetS, including free fatty acids, fatty acid binding protein 4, leptin, resistin, oxidized lipoprotein particles, and advanced glycation end products, influence VSMC proliferation. Most of these molecules act through their receptors on VSMCs by activating several signaling pathways associated with ROS generation in various cellular compartments. ROS from NADPH-oxidase and mitochondria have been found to promote VSMC proliferation and cell cycle progression. In addition, most of the natural or synthetic substances described in this review, including pharmaceuticals with hypoglycemic and hypolipidemic properties, attenuate VSMC proliferation by their simultaneous modulation of cell signaling and their scavenging property due to the presence of a phenolic ring in their structure. This review discusses recent data in the literature on the role that several MetS-related molecules and ROS play in the change from contractile to proliferative phenotype of VSMCs. Hence the importance of proposing an appropriate strategy to prevent uncontrolled VSMC proliferation using antioxidants, hypoglycemic and hypolipidemic agents.
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Affiliation(s)
- Ocarol López-Acosta
- Depto de Biomedicina Cardiovascular, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano No 1, Colonia Sección XVI, Tlalpan, 14080, México D.F., Mexico
| | - Angélica Ruiz-Ramírez
- Depto de Biomedicina Cardiovascular, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano No 1, Colonia Sección XVI, Tlalpan, 14080, México D.F., Mexico
| | - Miguel-Ángel Barrios-Maya
- Depto de Biomedicina Cardiovascular, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano No 1, Colonia Sección XVI, Tlalpan, 14080, México D.F., Mexico
| | - Javier Alarcon-Aguilar
- Laboratorio de Farmacología, Depto. de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana Unidad Iztapalapa, Iztapalapa, Mexico
| | - Julio Alarcon-Enos
- Departamento de Ciencias Básicas, Facultad de Ciencias, Universidad del Bio Bio, Av. Andres Bello 720, Chillan, Chile
| | - Carlos L Céspedes Acuña
- Departamento de Ciencias Básicas, Facultad de Ciencias, Universidad del Bio Bio, Av. Andres Bello 720, Chillan, Chile.
| | - Mohammed El-Hafidi
- Depto de Biomedicina Cardiovascular, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano No 1, Colonia Sección XVI, Tlalpan, 14080, México D.F., Mexico.
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Roy I, Jover E, Matilla L, Alvarez V, Fernández-Celis A, Beunza M, Escribano E, Gainza A, Sádaba R, López-Andrés N. Soluble ST2 as a New Oxidative Stress and Inflammation Marker in Metabolic Syndrome. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:ijerph20032579. [PMID: 36767947 PMCID: PMC9915842 DOI: 10.3390/ijerph20032579] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 01/23/2023] [Accepted: 01/30/2023] [Indexed: 05/27/2023]
Abstract
BACKGROUND Metabolic syndrome (MS) is a complex and prevalent disorder. Oxidative stress and inflammation might contribute to the progression of MS. Soluble ST2 (sST2) is an attractive and druggable molecule that sits at the interface between inflammation, oxidative stress and fibrosis. This study aims to analyze the relationship among sST2, oxidative stress, inflammation and echocardiographic parameters in MS patients. METHODS Fifty-eight patients with MS were recruited and underwent physical, laboratory and transthoracic echocardiography examinations. Commercial ELISA and appropriate colorimetric assays were used to quantify serum levels of oxidative stress and inflammation markers and sST2. RESULTS Circulating sST2 was increased in MS patients and was significantly correlated with the oxidative stress markers nitrotyrosine and 8-hydroxy-2'-deoxyguanosine as well as with peroxide levels. The inflammatory parameters interleukin-6, intercellular adhesion molecule-1 and myeloperoxidase were positively correlated with sST2. Noteworthy, sST2 was positively correlated with left ventricular mass, filling pressures and pulmonary arterial pressures. CONCLUSION Circulating levels of sST2 are associated with oxidative stress and inflammation burden and may underlie the pathological remodeling and dysfunction of the heart in MS patients. Our results suggest that sST2 elevation precedes diastolic dysfunction, emerging as an attractive biotarget in MS.
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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: 58] [Impact Index Per Article: 29.0] [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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Kalay F, Sait TM, Ekmekçi H, Kucur M, İkitimur B, Sönmez H, Güngör Z. Artificial neuronal network analysis in investigating the relationship between oxidative stress and endoplasmic reticulum stress to address blocked vessels in cardiovascular disease. J Med Biochem 2022; 41:518-525. [PMID: 36381079 PMCID: PMC9636495 DOI: 10.5937/jomb0-33855] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 01/04/2022] [Indexed: 01/22/2024] Open
Abstract
BACKGROUND Cardiovascular disease is the leading cause of death in the world and is associated with significant morbidity. Atherosclerosis is the main cause of cardiovascular disease (CVD), including myocardial infarction (MI), heart failure, and stroke. The mechanism of atherosclerosis has not been well investigated in different aspects, such as the relationship between oxidative stress and endothelial function. This project aims to investigate whether an oxidative enzyme vascular peroxidase 1 (VPO1) and activating transcription factor 4 (ATF4) can be used as biomarkers in highlighting the pathogenesis of the disease and in evaluating the prognosis of the relationship with endoplasmic reticulum and oxidative stress. This paper used artificial neural network analysis to predict cardiovascular disease risk based on new generation biochemical markers that combine vascular inflammation, oxidative and endoplasmic reticulum stress. METHODS For this purpose, 80 patients were evaluated according to the coronary angiography results. hs-CRP, lipid parameters and demographic characteristics, VPO1, ATF4 and Glutathione peroxidase 1(GPx1) levels were measured. RESULTS We found an increase in VPO1 and hs-CRP levels in single-vessel disease as compared to controls. On the contrary, ATF4 and GPx1 levels were decreased in the same group, which was not significant. Our results showed a significant positive correlation between ATF4 and lipid parameters. A statistically significant positive correlation was also observed for VPO1 and ATF4 (r=0.367, P<0.05), and a negative correlation was found for ATF4 and GPx1 (r=-0.467, P<0.01). A significant negative relationship was noted for GPx1 and hs-CRP in two/three-vessel disease (r=-0.366, P<0.05). Artificial neural network analysis stated that body mass index (BMI) and smoking history information give us an important clue as compared to age, gender and alcohol consumption parameters when predicting the number of blocked vessels. CONCLUSIONS VPO1 and ATF4 might be potential biomarkers associated with coronary artery disease, especially in the follow-up and monitoring of treatment protocols, in addition to traditional risk factors.
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Affiliation(s)
- Fatma Kalay
- University of Istanbul - Cerrahpasa, Cerrahpasa Medical School, Department of Medical Biochemistry, Istanbul, Turkey
| | - Toprak Muhammet Sait
- University of Istanbul - Cerrahpasa, Cerrahpasa Medical School, Department of Medical Biochemistry, Istanbul, Turkey
| | - Hakan Ekmekçi
- University of Istanbul - Cerrahpasa, Cerrahpasa Medical School, Department of Medical Biochemistry, Istanbul, Turkey
| | - Mine Kucur
- University of Istanbul - Cerrahpasa, Cerrahpasa Medical School, Department of Medical Biochemistry, Istanbul, Turkey
| | - Barış İkitimur
- University of Istanbul - Cerrahpasa, Cerrahpasa Medical School, Department of Cardiology, Istanbul, Turkey
| | - Hüseyin Sönmez
- University of Istanbul - Cerrahpasa, Cerrahpasa Medical School, Department of Medical Biochemistry, Istanbul, Turkey
| | - Zeynep Güngör
- University of Istanbul - Cerrahpasa, Cerrahpasa Medical School, Department of Medical Biochemistry, Istanbul, Turkey
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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: 24] [Impact Index Per Article: 12.0] [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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Cheng G, Shi R. Mammalian peroxidasin (PXDN): From physiology to pathology. Free Radic Biol Med 2022; 182:100-107. [PMID: 35219848 PMCID: PMC8957557 DOI: 10.1016/j.freeradbiomed.2022.02.026] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 02/21/2022] [Accepted: 02/22/2022] [Indexed: 02/06/2023]
Abstract
Heme-containing peroxidases catalyze the oxidation of a variety of substrates by consuming hydrogen peroxide (H2O2), and play diversified roles in physiology and pathology including innate immunity, the synthesis of thyroid hormone and the extracellular matrix, as well as the pathogenesis of several inflammatory diseases. Peroxidasin (PXDN), also known as Vascular Peroxidase-1 (VPO1), is a newly identified peroxidase and expresses in multiple cells and tissues including cardiovascular system and the lung. Recent studies imply its roles in the innate immunity, cardiovascular physiology and diseases, and extracellular matrix formation. Studies on the role of PXDN in human diseases are entering a new and exciting stage, and this review provides the insights into this emerging field of PXDN.
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Affiliation(s)
- Guangjie Cheng
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States.
| | - Ruizheng Shi
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China
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12
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Cao YC, Shan SK, Guo B, Li CC, Li FXZ, Zheng MH, Xu QS, Wang Y, Lei LM, Tang KX, Ou-Yang WL, Duan JY, Wu YY, Ullah MHE, Zhou ZA, Xu F, Lin X, Wu F, Liao XB, Yuan LQ. Histone Lysine Methylation Modification and Its Role in Vascular Calcification. Front Endocrinol (Lausanne) 2022; 13:863708. [PMID: 35784574 PMCID: PMC9243330 DOI: 10.3389/fendo.2022.863708] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 05/06/2022] [Indexed: 01/10/2023] Open
Abstract
Histone methylation is an epigenetic change mediated by histone methyltransferase, and has been connected to the beginning and progression of several diseases. The most common ailments that affect the elderly are cardiovascular and cerebrovascular disorders. They are the leading causes of death, and their incidence is linked to vascular calcification (VC). The key mechanism of VC is the transformation of vascular smooth muscle cells (VSMCs) into osteoblast-like phenotypes, which is a highly adjustable process involving a variety of complex pathophysiological processes, such as metabolic abnormalities, apoptosis, oxidative stress and signalling pathways. Many researchers have investigated the mechanism of VC and related targets for the prevention and treatment of cardiovascular and cerebrovascular diseases. Their findings revealed that histone lysine methylation modification may play a key role in the various stages of VC. As a result, a thorough examination of the role and mechanism of lysine methylation modification in physiological and pathological states is critical, not only for identifying specific molecular markers of VC and new therapeutic targets, but also for directing the development of new related drugs. Finally, we provide this review to discover the association between histone methylation modification and VC, as well as diverse approaches with which to investigate the pathophysiology of VC and prospective treatment possibilities.
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Affiliation(s)
- Ye-Chi Cao
- National Clinical Research Center for Metabolic Diseases, Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Su-Kang Shan
- National Clinical Research Center for Metabolic Diseases, Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Bei Guo
- National Clinical Research Center for Metabolic Diseases, Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Chang-Chun Li
- National Clinical Research Center for Metabolic Diseases, Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Fu-Xing-Zi Li
- National Clinical Research Center for Metabolic Diseases, Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Ming-Hui Zheng
- National Clinical Research Center for Metabolic Diseases, Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Qiu-Shuang Xu
- National Clinical Research Center for Metabolic Diseases, Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Yi Wang
- National Clinical Research Center for Metabolic Diseases, Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Li-Min Lei
- National Clinical Research Center for Metabolic Diseases, Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Ke-Xin Tang
- National Clinical Research Center for Metabolic Diseases, Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Wen-Lu Ou-Yang
- National Clinical Research Center for Metabolic Diseases, Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Jia-Yue Duan
- National Clinical Research Center for Metabolic Diseases, Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Yun-Yun Wu
- National Clinical Research Center for Metabolic Diseases, Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Muhammad Hasnain Ehsan Ullah
- National Clinical Research Center for Metabolic Diseases, Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Zhi-Ang Zhou
- Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Feng Xu
- National Clinical Research Center for Metabolic Diseases, Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Xiao Lin
- Department of Radiology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Feng Wu
- Department of Pathology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Xiao-Bo Liao
- Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Ling-Qing Yuan
- National Clinical Research Center for Metabolic Diseases, Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Ling-Qing Yuan,
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Luo X, Zhou Z, Wu J, Zhang L, Zhang J, Li J. Integrated RNA- and miRNA-sequencing analysis identifies molecular basis for stress-induced heart injury in mouse models. Int J Cardiol 2021; 349:115-122. [PMID: 34883141 DOI: 10.1016/j.ijcard.2021.11.084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 11/18/2021] [Accepted: 11/29/2021] [Indexed: 11/24/2022]
Abstract
BACKGROUND Work stress and its contribution to cardiovascular diseases are well documented in recent years, but its molecular mechanisms are still not clear. In this study, we aimed to explore the potential pathophysiological mechanisms of stress-induced heart injury in mouse models. METHODS The RNA- and miRNA- sequencing profiles from five stress-treated mice and five control mice were performed. After normalization, differentially expressed genes (DEGs) and miRNAs (DEmiRs) were identified using the edgeR method. Then, based on the functional enrichment analysis and protein-protein interaction (PPI) network, as well as miRNA-mRNA interactome, the core DEGs and DEmiRs associated with stress-induced heart injury were marked and validated by qPCR, and the DEmiR targets were validated in vitro. RESULTS A total of 293 genes and 29 miRNAs were identified as DEGs and DEmiRs respectively, and Alb, Stat1, C3, Irf7, Usp18 were hub genes in the PPI network. The enrichment pathways were related to inflammation and immune, coagulation, oxidative phosphorylation, vascular development, cell cycle and extracellular matrix (ECM), which likely mediated the biological injury processes or reflected the results of damage. The target DEGs of DEmiRs were clustered in angiogenesis, immune system process and ECM. After the validation in vitro, we found that miR-29b-3p mimics could down-regulate the expression of its predicted targets, Pxdn and Col15a1. CONCLUSIONS The findings revealed a molecular basis from the gene and miRNA level for the heart injury associated with stress. miR-29b-3p, as a potential target to repair stress-induced ECM disorder in heart, deserves further study.
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Affiliation(s)
- Xiaoli Luo
- Clinical Research Center for Mental Disorders, Shanghai Pudong New Area Mental Health Center, School of Medicine, Tongji University, Shanghai, China
| | - Zhitong Zhou
- Clinical Research Center for Mental Disorders, Shanghai Pudong New Area Mental Health Center, School of Medicine, Tongji University, Shanghai, China
| | - Jiawen Wu
- Clinical Research Center for Mental Disorders, Shanghai Pudong New Area Mental Health Center, School of Medicine, Tongji University, Shanghai, China
| | - Lijuan Zhang
- Tongji University School of Medicine, Shanghai, China
| | - Jie Zhang
- Tongji University School of Medicine, Shanghai, China.
| | - Jue Li
- Clinical Research Center for Mental Disorders, Shanghai Pudong New Area Mental Health Center, School of Medicine, Tongji University, Shanghai, China.
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Jiang W, Zhao W, Ye F, Huang S, Wu Y, Chen H, Zhou R, Fu G. SNHG12 regulates biological behaviors of ox-LDL-induced HA-VSMCs through upregulation of SPRY2 and NUB1. Atherosclerosis 2021; 340:1-11. [PMID: 34847450 DOI: 10.1016/j.atherosclerosis.2021.11.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 10/27/2021] [Accepted: 11/04/2021] [Indexed: 12/19/2022]
Abstract
BACKGROUND AND AIMS Human vascular smooth muscle cells (HA-VSMCs) are an important cell type involved in atherosclerosis. Low density lipoprotein (LDL) is a lipoprotein particle that carries cholesterol into peripheral tissue cells, and oxidized modified LDL (ox-LDL) is a well-known inducer of the atherosclerosis-related phenotype switch in VSMCs, leading to the occurrence of atherosclerosis. Accumulating studies have revealed that long non-coding RNAs (lncRNAs) mediate the effect of ox-LDL on the atherosclerosis-related biological activities of HA-VSMCs, including proliferation, migration, and apoptosis. However, the mechanism of small nucleolar RNA host gene 12 (SNHG12) in ox-LDL-induced phenotype switch of VSMCs remains unclear. Thus, this research dug in whether SNHG12 mediated the influence of ox-LDL on HA-VSMCs and the potential mechanism. METHODS Fundamental experiments and functional assays were performed to measure the function of SNHG12 on HA-VSMCs. Then, mechanism assays and rescue assays were performed to study the regulatory mechanism of SNHG12 in HA-VSMCs. RESULTS SNHG12 reversed the influence of ox-LDL treatment in enhancing cell proliferative and migratory abilities and weakening apoptotic ability in HA-VSMCs. SNHG12 was a competitive endogenous RNA (ceRNA) competing with sprouty RTK signaling antagonist 2 (SPRY2) to bind to miR-1301-3p, thus up-regulating SPRY2 expression in ox-LDL-treated HA-VSMCs. Besides, SNHG12 recruited serine and arginine rich splicing factor 1 (SRSF1) to stabilize negative regulator of ubiquitin like proteins 1 (NUB1) expression. CONCLUSIONS This study illustrated that SNHG12 inhibited cell proliferation, migration and facilitated cell apoptosis in ox-LDL-induced HA-VSMCs by up-regulating SPRY2 and NUB1.
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Affiliation(s)
- Wenbing Jiang
- Department of Cardiology, The Dingli Clinical College of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, PR China
| | - Wei Zhao
- Department of Cardiology, The Dingli Clinical College of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, PR China
| | - Fanhao Ye
- Department of Cardiology, The Dingli Clinical College of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, PR China
| | - Shiwei Huang
- Department of Cardiology, The Dingli Clinical College of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, PR China
| | - Youyang Wu
- Department of Cardiology, The Dingli Clinical College of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, PR China
| | - Hao Chen
- Department of Cardiology, The Dingli Clinical College of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, PR China
| | - Rui Zhou
- Department of Cardiology, The Dingli Clinical College of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, PR China
| | - Guosheng Fu
- Department of Cardiology, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, No. 3 East Qingchun Road, Hangzhou, 310016, Zhejiang Province, PR China.
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15
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Jing Cao, Zhang G, Liu Z, Xu Q, Li C, Cheng G, Shi R. Peroxidasin promotes diabetic vascular endothelial dysfunction induced by advanced glycation end products via NOX2/HOCl/Akt/eNOS pathway. Redox Biol 2021; 45:102031. [PMID: 34116361 PMCID: PMC8192873 DOI: 10.1016/j.redox.2021.102031] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 05/14/2021] [Accepted: 05/31/2021] [Indexed: 11/11/2022] Open
Abstract
Reactive oxygen species (ROS) derived from NADPH oxidases (NOX) plays an essential role in advanced glycation end products (AGEs)-induced diabetic vascular endothelial dysfunction. Peroxidasin (PXDN, VPO1) is one member of peroxidases family that catalyzes hydrogen peroxide (H2O2) to hypochlorous acid (HOCl). This present study aimed to elucidate the role of PXDN in promoting vascular endothelial dysfunction induced by AGEs in diabetes mellitus. We found that, compared to non-diabetic (db/m) mice, PXDN expression was notably increased in db/db mice with impaired endothelium-dependent relaxation. Knockdown of PXDN in vivo through tail vein injection of siRNA restored the impaired endothelium-dependent relaxation function of db/db mice which is accompanied with up-regulation of eNOS Ser1177 phosphorylation and NO production. AGEs significantly elevated expression of PXDN and 3-Cl-Tyr, but decreased phosphorylation of Akt and eNOS and NO release in HUVECs. All these effects induced by AGEs were remarkable alleviated by silencing PXDN with small interfering RNAs. In addition, HOCl treatment alone as well as HOCl added with Akt inhibitor MK2206 inhibited phosphorylation of Akt and eNOS, reducing NO production. More importantly,AGEs-induced up-regulation of PXDN and 3-Cl-Tyr with endothelial dysfunction were transformed by NOX2 silencing and H2O2 scavengers. Thus, these results support the conclusion that PXDN promotes AGEs-induced diabetic vascular endothelial dysfunction by attenuating eNOS phosphorylation at Ser1177 via NOX2/HOCl/Akt pathway.
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Affiliation(s)
- Jing Cao
- Department of Cardiovascular Medicine, The Third Xiangya Hospital of Central South University, 410013, Changsha, China.
| | - Guogang Zhang
- Department of Cardiovascular Medicine, The Third Xiangya Hospital of Central South University, 410013, Changsha, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China.
| | - Zhaoya Liu
- Department of Geriatrics, The Third Xiangya Hospital of Central South University, 410013, Changsha, China.
| | - Qian Xu
- Department of Cardiothoracic Surgery, Xiangya Hospital, Central South University, 410008, Changsha, China.
| | - Chan Li
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, 41008, Changsha, China.
| | - Guangjie Cheng
- Division of Pulmonary, Allergy & Critical Care Medicine, Department of Medicine, University of Alabama at Birmingham, Birmingham, 35294, AL, USA.
| | - Ruizheng Shi
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, 41008, Changsha, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China.
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Cheng CI, Tai MH, Chang HR, Chou MH, Chen GT, Chen PH, Kao YH. Oxidized low-density lipoprotein induced hepatoma-derived growth factor upregulation mediates foam cell formation of cultured rat aortic vascular smooth muscle cells. Eur J Cell Biol 2021; 100:151169. [PMID: 34273665 DOI: 10.1016/j.ejcb.2021.151169] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 06/22/2021] [Accepted: 07/02/2021] [Indexed: 11/18/2022] Open
Abstract
Vascular smooth muscle cells (SMCs) are important vascular components that are essential for the regulation of vascular functions during vascular atherosclerogenesis and vascular injury. Oxidized low-density lipoprotein (oxLDL) is known to induce SMC activation and foam cell transformation. This study characterized the role of hepatoma-derived growth factor (HDGF) in oxLDL-induced foam cell formation in cultured primary rat aortic SMCs. OxLDL exposure significantly increased HDGF expression and extracellular release. It also upregulated atherogenic regulators in SMCs, including TLR4, MyD88, LOX-1, and CD36. Exogenous HDGF stimulation not only increased the expression of cognate receptor nucleolin, but also the innate immunity regulators TLR4/MyD88 and lipid metabolism regulators, including LOX-1 and CD36. Oil red O staining showed that HDGF did not initiate, but enhanced oxLDL-driven foam cell formation in SMCs. Further signaling characterization demonstrated that oxLDL evoked activation of PI3K/Akt and p38 MAPK signaling pathways, both of which were involved in the upregulation of HDGF, LOX-1, and CD36 induced by oxLDL. Gene knockdown experiments using LOX-1 targeted siRNA demonstrated that LOX-1 expression was critical for oxLDL-induced HDGF upregulation, while HDGF gene depletion completely abolished oxLDL-triggered TLR4, LOX-1, and CD36 overexpression and foam cell formation in SMCs. These findings strongly suggest that oxLDL-induced HDGF upregulation participates in subsequent LOX-1 and CD36 expression in aortic SMCs and mechanistically contributes to the formation of SMC-derived foam cells. The oxLDL/LOX-1/HDGF axis may serve as a target for anti-atherogenesis therapy.
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Affiliation(s)
- Cheng-I Cheng
- Division of Cardiology, Department of Internal Medicine, Kaohsiung Chang-Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.
| | - Ming-Hong Tai
- Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung, Taiwan
| | - Huoy-Rou Chang
- Department of Biomedical Engineering, I-Shou University, Kaohsiung, Taiwan
| | - Ming-Huei Chou
- Graduate Institute of Clinical Medical Sciences, Chang Gung University College of Medicine, Kaohsiung, Taiwan; Center for General Education, Cheng-Shiu University, Kaohsiung, Taiwan
| | - Guan-Ting Chen
- Division of Cardiology, Department of Internal Medicine, Kaohsiung Chang-Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Po-Han Chen
- Department of Medical Research, E-Da Hospital, Kaohsiung, Taiwan
| | - Ying-Hsien Kao
- Department of Medical Research, E-Da Hospital, Kaohsiung, Taiwan.
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Hu CT, Shao YD, Liu YZ, Xiao X, Cheng ZB, Qu SL, Huang L, Zhang C. Oxidative stress in vascular calcification. Clin Chim Acta 2021; 519:101-110. [PMID: 33887264 DOI: 10.1016/j.cca.2021.04.012] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Revised: 04/15/2021] [Accepted: 04/16/2021] [Indexed: 12/28/2022]
Abstract
Vascular calcification (VC), which is closely associated with significant mortality in cardiovascular disease, chronic kidney disease (CKD), and/or diabetes mellitus, is characterized by abnormal deposits of hydroxyapatite minerals in the arterial wall. The impact of oxidative stress (OS) on the onset and progression of VC has not been well described. Nicotinamide adenine dinucleotide phosphate (NADPH) oxidases, xanthine oxidases, myeloperoxidase (MPO), nitric oxide synthases (NOSs), superoxide dismutase (SOD) and paraoxonases (PONs) are relevant factors that influence the production of reactive oxygen species (ROS). Furthermore, excess ROS-induced OS has emerged as a critical mediator promoting VC through several mechanisms, including phosphate balance, differentiation of vascular smooth muscle cells (VSMCs), inflammation, DNA damage, and extracellular matrix remodeling. Because OS is a significant regulator of VC, antioxidants may be considered as novel treatment options.
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Affiliation(s)
- Chu-Ting Hu
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China; Research Lab for Clinical & Translational Medicine, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China; Departments of Medical Laboratory, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China
| | - Yi-Duo Shao
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China; Research Lab for Clinical & Translational Medicine, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China; Departments of Stomatology, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China
| | - Yi-Zhang Liu
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China; Research Lab for Clinical & Translational Medicine, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China; Departments of Clinical Medicine, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China
| | - Xuan Xiao
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China; Research Lab for Clinical & Translational Medicine, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China; Departments of Clinical Medicine, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China
| | - Zhe-Bin Cheng
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China; Research Lab for Clinical & Translational Medicine, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China; Departments of Stomatology, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China
| | - Shun-Lin Qu
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China
| | - Liang Huang
- Research Lab for Clinical & Translational Medicine, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China.
| | - Chi Zhang
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China.
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18
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Zhao Y, Qian Y, Sun Z, Shen X, Cai Y, Li L, Wang Z. Role of PI3K in the Progression and Regression of Atherosclerosis. Front Pharmacol 2021; 12:632378. [PMID: 33767629 PMCID: PMC7985550 DOI: 10.3389/fphar.2021.632378] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 01/29/2021] [Indexed: 12/11/2022] Open
Abstract
Phosphatidylinositol 3 kinase (PI3K) is a key molecule in the initiation of signal transduction pathways after the binding of extracellular signals to cell surface receptors. An intracellular kinase, PI3K activates multiple intracellular signaling pathways that affect cell growth, proliferation, migration, secretion, differentiation, transcription and translation. Dysregulation of PI3K activity, and as aberrant PI3K signaling, lead to a broad range of human diseases, such as cancer, immune disorders, diabetes, and cardiovascular diseases. A growing number of studies have shown that PI3K and its signaling pathways play key roles in the pathophysiological process of atherosclerosis. Furthermore, drugs targeting PI3K and its related signaling pathways are promising treatments for atherosclerosis. Therefore, we have reviewed how PI3K, an important regulatory factor, mediates the development of atherosclerosis and how targeting PI3K can be used to prevent and treat atherosclerosis.
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Affiliation(s)
- Yunyun Zhao
- Department of Pathology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Yongjiang Qian
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Zhen Sun
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Xinyi Shen
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Yaoyao Cai
- Department of Pathology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Lihua Li
- Department of Pathology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Zhongqun Wang
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
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19
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Pang M, Li Y, Gu W, Sun Z, Wang Z, Li L. Recent Advances in Epigenetics of Macrovascular Complications in Diabetes Mellitus. Heart Lung Circ 2021; 30:186-196. [PMID: 32873490 DOI: 10.1016/j.hlc.2020.07.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 06/19/2020] [Accepted: 07/11/2020] [Indexed: 12/11/2022]
Abstract
Diabetes mellitus is a metabolic and endocrine disorder characterised by hyperglycaemia. Type 2 diabetes mellitus accounts for >90% of people with diabetes. Disorders of blood glucose metabolism and a series of adverse reactions triggered by hyperglycaemia-such as oxidative stress and inflammation-are conducive to the occurrence of diabetic macrovascular complications, which pose severe challenges to the quality of life and life expectancy of people with diabetes. In recent years, epigenetics has attracted more and more researchers' attention as they explore the causes and treatment of diabetes. Epigenetics refers to the regulation of gene expression without changes in gene content. Research focusses on DNA methylation, histone post-translational modification and non-coding RNA. A series of studies have shown that epigenetic regulation accelerates the development of atherosclerosis by interfering with the physiological activities of macrophages, endothelial cells and smooth muscle cells, such as inflammation, lipid deposition and apoptosis. Therefore, it is particularly important to explore new epigenetic discoveries to reduce the severity and harmfulness of diabetes. This study reviewed recent advances in epigenetics in the pathogenesis of diabetes mellitus and its macrovascular complications.
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Affiliation(s)
- Mingchang Pang
- Department of Pathology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Yalan Li
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Wen Gu
- Department of Pathology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Zhen Sun
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Zhongqun Wang
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Lihua Li
- Department of Pathology, Affiliated Hospital of Jiangsu University, Zhenjiang, China.
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20
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Regulation of Vascular Calcification by Reactive Oxygen Species. Antioxidants (Basel) 2020; 9:antiox9100963. [PMID: 33049989 PMCID: PMC7599480 DOI: 10.3390/antiox9100963] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 10/05/2020] [Accepted: 10/06/2020] [Indexed: 12/18/2022] Open
Abstract
Vascular calcification is the deposition of hydroxyapatite crystals in the medial or intimal layers of arteries that is usually associated with other pathological conditions including but not limited to chronic kidney disease, atherosclerosis and diabetes. Calcification is an active, cell-regulated process involving the phenotype transition of vascular smooth muscle cells (VSMCs) from contractile to osteoblast/chondrocyte-like cells. Diverse triggers and signal transduction pathways have been identified behind vascular calcification. In this review, we focus on the role of reactive oxygen species (ROS) in the osteochondrogenic phenotype switch of VSMCs and subsequent calcification. Vascular calcification is associated with elevated ROS production. Excessive ROS contribute to the activation of certain osteochondrogenic signal transduction pathways, thereby accelerating osteochondrogenic transdifferentiation of VSMCs. Inhibition of ROS production and ROS scavengers and activation of endogenous protective mechanisms are promising therapeutic approaches in the prevention of osteochondrogenic transdifferentiation of VSMCs and subsequent vascular calcification. The present review discusses the formation and actions of excess ROS in different experimental models of calcification, and the potential of ROS-lowering strategies in the prevention of this deleterious condition.
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Cheng CI, Chang HR, Tai MH, Chou MH, Chen GT, Chen PH, Kao YH. Hepatoma-derived growth factor enhances osteoblastic transformation of rat aortic vascular smooth muscle cells in vitro. Life Sci 2020; 256:117964. [DOI: 10.1016/j.lfs.2020.117964] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 06/02/2020] [Accepted: 06/09/2020] [Indexed: 02/06/2023]
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Medfai H, Khalil A, Rousseau A, Nuyens V, Paumann-Page M, Sevcnikar B, Furtmüller PG, Obinger C, Moguilevsky N, Peulen O, Herfs M, Castronovo V, Amri M, Van Antwerpen P, Vanhamme L, Zouaoui Boudjeltia K. Human peroxidasin 1 promotes angiogenesis through ERK1/2, Akt, and FAK pathways. Cardiovasc Res 2020; 115:463-475. [PMID: 29982533 DOI: 10.1093/cvr/cvy179] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Accepted: 07/03/2018] [Indexed: 12/17/2022] Open
Abstract
Aims The term angiogenesis refers to sprouting of new blood vessels from pre-existing ones. The angiogenic process involves cell migration and tubulogenesis requiring interaction between endothelial cells and the extracellular matrix. Human peroxidasin 1 (hsPxd01) is a multidomain heme peroxidase found embedded in the basement membranes. As it promotes the stabilization of extracellular matrix, we investigated its possible role in angiogenesis both in vitro and in vivo. Methods and results We analysed the effects of peroxidasin 1 gene silencing and supplementation by recombinant hsPxd01 in TeloHAEC endothelial cells on cell migration, tubulogenesis in matrigel, and intracellular signal transduction as assessed by kinase phosphorylation and expression of pro-angiogenic genes as measured by qRT-PCR. We further evaluated the angiogenic potential of recombinant peroxidasin in a chicken chorioallantoic membrane model. RNA silencing of endogenous hsPxd01 significantly reduced tube formation and cell migration, whereas supplementation by the recombinant peroxidase promoted tube formation in vitro and stimulated vascularization in vivo through its catalytic activity. Moreover, recombinant hsPxd01 promoted phosphorylation of Extracellular signal-Regulated Kinases (ERK1/2), Protein kinase B (Akt), and Focal Adhesion Kinase (FAK), and induced the expression of pro-angiogenic downstream genes: Platelet Derived Growth Factor Subunit B (PDGFB), endothelial-derived Heparin Binding EGF-like growth factor (HB-EGF), CXCL-1, Hairy-Related Transcription Factor 1 (HEY-1), DNA-binding protein inhibitor (ID-2), Snail Family Zinc Finger 1 (SNAI-1), as well as endogenous hsPxd01. However, peroxidasin silencing significantly reduced Akt and FAK phosphorylation but induced ERK1/2 activation after supplementation by recombinant hsPxd01. While hsPxd01 silencing significantly reduced expression of HEY-1, ID-2, and PDGFB, it did not affect expression of SNAI-1, HB-EGF, and CXCL-1 after supplementation by recombinant hsPxd01. Conclusion Our findings suggest a role of enzymatically active peroxidasin 1 as a pro-angiogenic peroxidase and a modulator of ERK1/2, Akt and FAK signalling.
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Affiliation(s)
- Hayfa Medfai
- Laboratory of Experimental Medicine (ULB 222 Unit), Faculté de Médecine, CHU de Charleroi, A. Vésale Hospital, Université Libre de Bruxelles, Hôpital André Vésale, 706, Rue de Gozée, 6110 Montigny-le-Tilleul, Charleroi, Belgium.,Department of Biological Sciences, Laboratory of Functional Neurophysiology and Pathology, UR/11ES09, Université de Tunis El Manar, Faculté des Sciences de Tunis, 20 Rue de Tolède, 2092 Manar II, Tunis,Tunisia
| | - Alia Khalil
- Laboratory of Experimental Medicine (ULB 222 Unit), Faculté de Médecine, CHU de Charleroi, A. Vésale Hospital, Université Libre de Bruxelles, Hôpital André Vésale, 706, Rue de Gozée, 6110 Montigny-le-Tilleul, Charleroi, Belgium
| | - Alexandre Rousseau
- Laboratory of Experimental Medicine (ULB 222 Unit), Faculté de Médecine, CHU de Charleroi, A. Vésale Hospital, Université Libre de Bruxelles, Hôpital André Vésale, 706, Rue de Gozée, 6110 Montigny-le-Tilleul, Charleroi, Belgium
| | - Vincent Nuyens
- Laboratory of Experimental Medicine (ULB 222 Unit), Faculté de Médecine, CHU de Charleroi, A. Vésale Hospital, Université Libre de Bruxelles, Hôpital André Vésale, 706, Rue de Gozée, 6110 Montigny-le-Tilleul, Charleroi, Belgium
| | - Martina Paumann-Page
- Division of Biochemistry, Department of Chemistry, BOKU, University of Natural Resources and Life Sciences, Muthgasse 18, A-1190 Vienna, Austria
| | - Benjamin Sevcnikar
- Division of Biochemistry, Department of Chemistry, BOKU, University of Natural Resources and Life Sciences, Muthgasse 18, A-1190 Vienna, Austria
| | - Paul G Furtmüller
- Division of Biochemistry, Department of Chemistry, BOKU, University of Natural Resources and Life Sciences, Muthgasse 18, A-1190 Vienna, Austria
| | - Christian Obinger
- Division of Biochemistry, Department of Chemistry, BOKU, University of Natural Resources and Life Sciences, Muthgasse 18, A-1190 Vienna, Austria
| | - Nicole Moguilevsky
- Laboratory of Experimental Medicine (ULB 222 Unit), Faculté de Médecine, CHU de Charleroi, A. Vésale Hospital, Université Libre de Bruxelles, Hôpital André Vésale, 706, Rue de Gozée, 6110 Montigny-le-Tilleul, Charleroi, Belgium
| | - Olivier Peulen
- Metastasis Research Laboratory, Giga-Cancer, University of Liege, Quartier Hopital, Avenue de l'Hopital, 11, 4000 Liège, Belgium
| | - Michael Herfs
- Department of Pathology, Laboratory of Experimental Pathology, Giga-Cancer, University of Liege, Quartier Hopital, Avenue de l'Hopital, 11, 4000 Liège, Belgium
| | - Vincent Castronovo
- Metastasis Research Laboratory, Giga-Cancer, University of Liege, Quartier Hopital, Avenue de l'Hopital, 11, 4000 Liège, Belgium
| | - Mohamed Amri
- Department of Biological Sciences, Laboratory of Functional Neurophysiology and Pathology, UR/11ES09, Université de Tunis El Manar, Faculté des Sciences de Tunis, 20 Rue de Tolède, 2092 Manar II, Tunis,Tunisia
| | - Pierre Van Antwerpen
- Pharmacognosy, Bioanalysis and Drug Discovery and Analytical Platform of the Faculty of Pharmacy, Faculty of Pharmacy, Université Libre de Bruxelles, Campus de la plaine CP205/09, Boulevard du Triomphe, 1050 Bruxelles, Belgium; and
| | - Luc Vanhamme
- Laboratory of Molecular Parasitology, IBMM, Faculty of Sciences, Université Libre de Bruxelles, Rue Adrienne Bolland 8, 6041 Gosselies, Belgium
| | - Karim Zouaoui Boudjeltia
- Laboratory of Experimental Medicine (ULB 222 Unit), Faculté de Médecine, CHU de Charleroi, A. Vésale Hospital, Université Libre de Bruxelles, Hôpital André Vésale, 706, Rue de Gozée, 6110 Montigny-le-Tilleul, Charleroi, Belgium
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Semicarbazide-Sensitive Amine Oxidase Increases in Calcific Aortic Valve Stenosis and Contributes to Valvular Interstitial Cell Calcification. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:5197376. [PMID: 32411328 PMCID: PMC7201527 DOI: 10.1155/2020/5197376] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 10/21/2019] [Accepted: 11/26/2019] [Indexed: 12/20/2022]
Abstract
Introduction Calcific aortic valve stenosis (CAVS) is a common disease associated with aging. Oxidative stress participates in the valve calcification process in CAVS. Semicarbazide-sensitive amine oxidase (SSAO), also referred to as vascular adhesion protein 1 (VAP-1), transforms primary amines into aldehydes, generating hydrogen peroxide and ammonia. SSAO is expressed in calcified aortic valves, but its role in valve calcification has remained largely unexplored. The aims of this study were to characterize the expression and the activity of SSAO during aortic valve calcification and to establish the effects of SSAO inhibition on human valvular interstitial cell (VIC) calcification. Methods Human aortic valves from n = 80 patients were used for mRNA extraction and expression analysis, Western blot, SSAO activity determination, immunohistochemistry, and the isolation of primary VIC cultures. Results SSAO mRNA, protein, and activity were increased with increasing calcification within human aortic valves and localized in the vicinity of the calcified zones. The valvular SSAO upregulation was consistent after stratification of the subjects according to cardiovascular and CAVS risk factors associated with increased oxidative stress: body mass index, diabetes, and smoking. SSAO mRNA levels were significantly associated with poly(ADP-ribose) polymerase 1 (PARP1) in calcified tissue. Calcification of VIC was inhibited in the presence of the specific SSAO inhibitor LJP1586. Conclusion The association of SSAO expression and activity with valvular calcification and oxidative stress as well as the decreased VIC calcification by SSAO inhibition points to SSAO as a possible marker and therapeutic target to be further explored in CAVS.
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Huang M, Zheng L, Xu H, Tang D, Lin L, Zhang J, Li C, Wang W, Yuan Q, Tao L, Ye Z. Oxidative stress contributes to vascular calcification in patients with chronic kidney disease. J Mol Cell Cardiol 2019; 138:256-268. [PMID: 31866376 DOI: 10.1016/j.yjmcc.2019.12.006] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 12/08/2019] [Accepted: 12/10/2019] [Indexed: 01/02/2023]
Abstract
Vascular calcification (VC) is a major cause of mortality in patients with chronic kidney disease (CKD). While elevations in serum phosphorus contribute to VC, we provide evidence here for a major role of oxidative stress (OS) in VC pathogenesis without an apparent increase in serum phosphorus in early CKD. In a rat model for stage 5 CKD (CKD5), we observed 1) robust increases of VC and OS, 2) significant reductions of smooth muscle 22 alpha (SM22α) and calponin, and 3) upregulations in Runt-related transcription factor 2 (RUNX2) and collagen I in vascular smooth muscle cells (VSMCs). Inhibition of OS using MnTMPyP dramatically reduced these events without normalization of hyperphosphatemia. In CKD5 patients with VC (n = 11) but not in those without VC (n = 13), OS was significantly elevated. While the serum levels of calcium and phosphate were not altered in the animal model for early stage CKD (ECKD), OS, VC, SM22α, calponin, RUNX2, collagen I and NADPH oxidase 1 (NOX1) in VSMCs were all significantly changed. More importantly, serum (5%) derived from patients with ECKD (n = 30) or CKD5 (n = 30) induced SM22α and calponin downregulation, and RUNX2, collagen I, NOX1 upregulation along with a robust elevation of OS and calcium deposition in primary rat VSMCs. These alterations were all reduced by MnTMPyP, ML171 (a NOX1 inhibitor), and U0126 (an inhibitor of Erk signaling). Collectively, we provide a comprehensive set of evidence supporting an important role of OS in promoting VC development in CKD patients (particularly in those with ECKD); this was at least in part through induction of osteoblastic transition in VSMCs which may involve the Erk singling. Our research thus suggests that reductions in OS may prevent VC in CKD patients.
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Affiliation(s)
- Mei Huang
- Division of Nephrology, Xiangya Hospital of the Central South University, Changsha, Hunan 410008, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Li Zheng
- Division of Nephrology, Xiangya Hospital of the Central South University, Changsha, Hunan 410008, China; Division of Nephrology, The Third Xiangya Hospital of the Central South University, Changsha, Hunan 410013, China
| | - Hui Xu
- Division of Nephrology, Xiangya Hospital of the Central South University, Changsha, Hunan 410008, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China.
| | - Damu Tang
- Department of Medicine, McMaster University, Hamilton, ON, Canada; The Hamilton Center for Kidney Research, Hamilton, ON, Canada; Urologic Cancer Center for Research and Innovation (UCCRI), Hamilton, ON, Canada
| | - Lizhen Lin
- Division of Nephrology, Xiangya Hospital of the Central South University, Changsha, Hunan 410008, China
| | - Jin Zhang
- Department of Nephrology, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230000, China
| | - Cuifang Li
- Division of Nephrology, Xiangya Hospital of the Central South University, Changsha, Hunan 410008, China
| | - Wei Wang
- Division of Nephrology, Xiangya Hospital of the Central South University, Changsha, Hunan 410008, China
| | - Qiongjing Yuan
- Division of Nephrology, Xiangya Hospital of the Central South University, Changsha, Hunan 410008, China
| | - Lijian Tao
- Division of Nephrology, Xiangya Hospital of the Central South University, Changsha, Hunan 410008, China; State Key Laboratory of Medical Genetics of China, Central South University, Changsha, Hunan 410008, China
| | - Zunlong Ye
- Division of Nephrology, Xiangya Hospital of the Central South University, Changsha, Hunan 410008, China; 1717 class, Chang Jun High School of Changsha, Changsha, Hunan 410002, China
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Abstract
Vascular calcification (VC) is strongly associated with all-cause mortality and is an independent predictor of cardiovascular events. Resulting from its complex, multifaceted nature, targeted treatments for VC have not yet been developed. Lipoproteins are well characterized in the pathogenesis of atherosclerotic plaques, leading to the development of plaque regressing therapeutics. Although their roles in plaque progression are well documented, their roles in VC, and calcification of a plaque, are not well understood. In this review, early in vitro data and clinical correlations suggest an inhibitory role for HDL (high-density lipoproteins) in VC, a stimulatory role for LDL (low-density lipoprotein) and VLDL (very low-density lipoprotein) and a potentially causal role for Lp(a) (lipoprotein [a]). Additionally, after treatment with a statin or PCSK9 (proprotein convertase subtilisin/kexin type 9) inhibitor, plaque calcification is observed to increase. With the notion that differing morphologies of plaque calcification associate with either a more stable or unstable plaque phenotype, uncovering the mechanisms of lipoprotein-artery wall interactions could produce targeted therapeutic options for VC.
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Affiliation(s)
- Emma J. Akers
- From the South Australian Health and Medical Research Institute, Adelaide, Australia (E.J.A.)
- The University of Adelaide, Australia (E.J.A.)
| | - Stephen J. Nicholls
- Monash Cardiovascular Research Centre, Monash University, Melbourne, Australia (S.J.N.)
| | - Belinda A. Di Bartolo
- The Kolling Institute of Medical Research, The University of Sydney, Australia (B.A.D.B.)
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Liu Z, Xu Q, Yang Q, Cao J, Wu C, Peng H, Zhang X, Chen J, Cheng G, Wu Y, Shi R, Zhang G. Vascular peroxidase 1 is a novel regulator of cardiac fibrosis after myocardial infarction. Redox Biol 2019; 22:101151. [PMID: 30844643 PMCID: PMC6402381 DOI: 10.1016/j.redox.2019.101151] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Revised: 02/14/2019] [Accepted: 02/21/2019] [Indexed: 12/11/2022] Open
Abstract
Cardiac fibrosis is the most important mechanism contributing to cardiac remodeling after myocardial infarction (MI). VPO1 is a heme enzyme that uses hydrogen peroxide (H2O2) to produce hypochlorous acid (HOCl). Our previous study has demonstrated that VPO1 regulates myocardial ischemic reperfusion and renal fibrosis. We investigated the role of VPO1 in cardiac fibrosis after MI. The results showed that VPO1 expression was robustly upregulated in the failing human heart with ischemic cardiomyopathy and in a murine model of MI accompanied by severe cardiac fibrosis. Most importantly, knockdown of VPO1 by tail vein injection of VPO1 siRNA significantly reduced cardiac fibrosis and improved cardiac function and survival rate. In VPO1 knockdown mouse model and cardiac fibroblasts cultured with TGF-β1, VPO1 contributes to cardiac fibroblasts differentiation, migration, collagen I synthesis and proliferation. Mechanistically, the fibrotic effects following MI of VPO1 manifested partially through HOCl formation to activate Smad2/3 and ERK1/2. Thus, we conclude that VPO1 is a crucial regulator of cardiac fibrosis after MI by mediating HOCl/Smad2/3 and ERK1/2 signaling pathways, implying a promising therapeutic target in ischemic cardiomyopathy.
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Affiliation(s)
- Zhaoya Liu
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Qian Xu
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Qixin Yang
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jing Cao
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Cong Wu
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Huihui Peng
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xinyi Zhang
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jia Chen
- Department of Humanistic Nursing, Xiangya Nursing School, Central South University, Changsha, Hunan, China
| | - Guangjie Cheng
- Division of Pulmonary, Allergy & Critical Care Medicine, Department of Medicine, University of Alabama at Birmingham, Birmingham, USA
| | - Yueheng Wu
- Department of Cardiovascular Medicine, Guangdong General Hospital, Guangzhou, Guangdong China
| | - Ruizheng Shi
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, Hunan, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China.
| | - Guogang Zhang
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, Hunan, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China.
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Li S, Zhan JK, Wang YJ, Lin X, Zhong JY, Wang Y, Tan P, He JY, Cui XJ, Chen YY, Huang W, Liu YS. Exosomes from hyperglycemia-stimulated vascular endothelial cells contain versican that regulate calcification/senescence in vascular smooth muscle cells. Cell Biosci 2019; 9:1. [PMID: 30622695 PMCID: PMC6317223 DOI: 10.1186/s13578-018-0263-x] [Citation(s) in RCA: 106] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Accepted: 12/21/2018] [Indexed: 12/18/2022] Open
Abstract
Background To determine whether and how exosomes from human umbilical vein endothelial cells (HUVEC-Exos) regulates vascular smooth muscle cells (VSMCs) calcification/senescence in high glucose condition. Methods HUVEC-Exos were isolated from normal glucose (NG) and high glucose (HG) stimulated HUVECs (NG/HG-HUVEC-Exos) by super speed centrifugation. HUVEC-Exos were identified by transmission electron microscopy and Western blot of CD63. Protein profile in HUVEC-Exos was examined to screen the candidate molecules that mediate HUVEC-Exos function. VSMCs were incubated with HUVEC-Exos. A series of functional assays in vitro were performed to assess the effects of HUVEC-Exos on the calcification/senescence of VSMCs. The role of the candidate protein in HUVEC-Exos-induced VSMCs dysfunction was assessed. Results Exosomes isolated from HG-HUVEC-Exos induced calcification/senescence in VSMCs as assessed by Alizarin Red Staining, senescence-associated β-galactosidase (SA-β-gal) staining, and the expression of ALP and p21. HG-HUVEC-Exos significantly increased LDH activity, as well as the product of lipid peroxidation (MDA content), and decreased oxidative stress marker activity, as compared with NG-HUVEC-Exos. Moreover, mechanism studies showed that mitochondrial membrane potential and the expression levels of mitochondrial function related protein HADHA and Cox-4 were significantly decreased in HG-HUVEC-Exos compared to controls. Proteomic analysis showed that HG-HUVEC-Exos consisted of higher level of versican (VCAN), as compared with NG-HUVEC-Exos. Observation under laser confocal microscopy revealed that most green fluorescence of VCAN could overlap with the red fluorescence came from mitochondria, indicating VCAN is mainly localized to the mitochondria of VSMCs. Knockdown of VCAN with siRNA in HUVECs, inhibited HG-HUVEC-Exos-induced mitochondrial dysfunction and calcification/senescence of VSMCs. Conclusions Our data indicate an intracellular role for VCAN in VSMCs. VCAN participates in hyperglycemia-induced calcification/senescence via modulation of mitochondrial function in VSMCs. Electronic supplementary material The online version of this article (10.1186/s13578-018-0263-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Shuang Li
- Department of Geriatrics, Institute of Aging and Geriatrics, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, 410011 Hunan People's Republic of China
| | - Jun-Kun Zhan
- Department of Geriatrics, Institute of Aging and Geriatrics, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, 410011 Hunan People's Republic of China
| | - Yan-Jiao Wang
- Department of Geriatrics, Institute of Aging and Geriatrics, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, 410011 Hunan People's Republic of China
| | - Xiao Lin
- Department of Geriatrics, Institute of Aging and Geriatrics, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, 410011 Hunan People's Republic of China
| | - Jia-Yu Zhong
- Department of Geriatrics, Institute of Aging and Geriatrics, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, 410011 Hunan People's Republic of China
| | - Yi Wang
- Department of Geriatrics, Institute of Aging and Geriatrics, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, 410011 Hunan People's Republic of China
| | - Pan Tan
- Department of Geriatrics, Institute of Aging and Geriatrics, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, 410011 Hunan People's Republic of China
| | - Jie-Yu He
- Department of Geriatrics, Institute of Aging and Geriatrics, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, 410011 Hunan People's Republic of China
| | - Xing-Jun Cui
- Department of Geriatrics, Institute of Aging and Geriatrics, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, 410011 Hunan People's Republic of China
| | - Yi-Yin Chen
- Department of Geriatrics, Institute of Aging and Geriatrics, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, 410011 Hunan People's Republic of China
| | - Wu Huang
- Department of Geriatrics, Institute of Aging and Geriatrics, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, 410011 Hunan People's Republic of China
| | - You-Shuo Liu
- Department of Geriatrics, Institute of Aging and Geriatrics, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, 410011 Hunan People's Republic of China
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Liu Y, Jia L, Min D, Xu Y, Zhu J, Sun Z. Baicalin inhibits proliferation and promotes apoptosis of vascular smooth muscle cells by regulating the MEG3/p53 pathway following treatment with ox‑LDL. Int J Mol Med 2018; 43:901-913. [PMID: 30535498 PMCID: PMC6317676 DOI: 10.3892/ijmm.2018.4009] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Accepted: 11/26/2018] [Indexed: 11/15/2022] Open
Abstract
Atherosclerosis (AS) is a systemic disease associated with lipid metabolic disorders and abnormal proliferation of smooth muscle cells. Baicalin is a flavonoid compound isolated from the dry roots of Scutellaria baicalensis Georgi and exerts anti-proliferative effects in various types of cells. However, the effect of baicalin on AS remains unclear. In the present study, serum samples were collected from patients with AS and an in vitro model of AS was established using oxidized low-density lipoprotein (ox-LDL)-treated human aorta vascular smooth muscle cells (HA-VSMCs). The siRNA transfection and overexpression efficiency of endogenous maternally expressed gene 3 (MEG3) and the expression level of MEG3 were analyzed by reverse transcription-quantitative polymerase chain reaction (RT-qPCR). The effects of alterations in expression levels of MEG3 were assessed by MTT assay, bromodeoxyuridine incorporation assay, 5-ethynyl-2′-deoxyuridine staining, wound healing assay, immunofluorescence and western blotting in HA-VSMCs. qPCR indicated that the expression of MEG3 was reduced in serum samples from patients with AS and ox-LDL-treated HA-VSMCs, compared with serum samples from healthy patients and untreated HA-VSMCs, respectively. Further experiments indicated that ox-LDL-induced decrease of MEG3 expression was reversed by treatment with baicalin in a concentration-dependent manner. Following treatment with ox-LDL, decreased expression of MEG3 promoted proliferation and migration, and suppressed apoptosis in HA-VSMCs. Furthermore, treatment with baicalin reversed these effects on proliferation and apoptosis in ox-LDL-treated HA-VSMCs. The current study indicated that downregulated expression of MEG3 increased cell cycle-associated protein expression. However, treatment with baicalin inhibited the expression of cell-cycle associated proteins in HA-VSMCs with MEG3 knockdown. In addition, baicalin activated the p53 signaling pathway and promoted the expression and transport of p53 from the cytoplasm to nucleus following MEG3 knockdown in ox-LDL-treated HA-VSMCs. Baicalin inhibited proliferation and promoted apoptosis by regulating the expression of MEG3/p53, indicating that baicalin may serve a role in AS by activating the MEG3/p53 signaling pathway. The present study suggested a potential mechanism underlying the protective role of baicalin in the in vitro model of AS, and these results may be used to develop novel therapeutic approaches for the affected patients.
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Affiliation(s)
- Yun Liu
- Department of Pharmacy, The First People's Hospital of Lianyungang, Lianyungang, Jiangsu 222002, P.R. China
| | - Lianqun Jia
- Key Laboratory of Ministry of Education for Traditional Chinese Medicine Viscera State Theory and Applications, Liaoning University of Traditional Chinese Medicine, Shenyang, Liaoning 110847, P.R. China
| | - Dongyu Min
- Traditional Chinese Medicine Experimental Center, Affiliated Hospital of Liaoning University of Traditional Chinese Medicine, Shenyang, Liaoning 110032, P.R. China
| | - Yi Xu
- Department of Pharmacy, The First People's Hospital of Lianyungang, Lianyungang, Jiangsu 222002, P.R. China
| | - Jinquan Zhu
- Department of Pharmacy, The First People's Hospital of Lianyungang, Lianyungang, Jiangsu 222002, P.R. China
| | - Zengxian Sun
- Department of Pharmacy, The First People's Hospital of Lianyungang, Lianyungang, Jiangsu 222002, P.R. China
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Hanmer KL, Mavri-Damelin D. Peroxidasin is a novel target of the redox-sensitive transcription factor Nrf2. Gene 2018; 674:104-114. [PMID: 29953917 DOI: 10.1016/j.gene.2018.06.076] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Revised: 06/22/2018] [Accepted: 06/24/2018] [Indexed: 12/30/2022]
Abstract
Peroxidasin (PXDN) facilitates peroxidative reactions via utilisation of hydrogen peroxide (H2O2) and has been shown to crosslink collagen IV through sulfilimine bond formation in the presence of hypohalous acids. Aberrant PXDN expression has been associated with kidney fibrosis, cancer, congenital eye defects and various cardiovascular disorders. Since PXDN expression is modified by H2O2, we hypothesized that a major antioxidant response transcription factor, nuclear factor erythroid 2-related factor 2 (Nrf2), may regulate PXDN expression. PXDN expression in response to H2O2 and the Nrf2-specific inducers, tert-butylhydroquinone (tBHQ) and sulforaphane (SFN), was determined by western blotting and immunofluorescence microscopy, in HeLa and HEK293 cells. Chromatin immunoprecipitation and luciferase reporter assays were used to investigate the regulation of PXDN by Nrf2. We observed elevated Nrf2 nuclear translocation and increased PXDN protein expression in response to H2O2, tBHQ and SFN, in both cell lines. We found that Nrf2 binds to and increases luciferase reporter gene expression from the PXDN promoter via a putative Nrf2-binding site. In summary, we show that PXDN is a novel target of the redox sensitive transcription factor Nrf2. This finding further highlights the role of PXDN in redox-related processes and compliments the currently understood pathophysiological functions of PXDN.
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Affiliation(s)
- Kerry L Hanmer
- The School of Molecular and Cell Biology, University of the Witwatersrand, Johannesburg, Private Bag X3, WITS 2050, South Africa
| | - Demetra Mavri-Damelin
- The School of Molecular and Cell Biology, University of the Witwatersrand, Johannesburg, Private Bag X3, WITS 2050, South Africa.
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Hyaluronan negatively regulates vascular calcification involving BMP2 signaling. J Transl Med 2018; 98:1320-1332. [PMID: 29785051 DOI: 10.1038/s41374-018-0076-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 03/21/2018] [Accepted: 04/16/2018] [Indexed: 01/10/2023] Open
Abstract
Vascular calcification is a highly regulated biological process similar to bone formation involving osteogenic differentiation of vascular smooth muscle cells (VSMCs). Hyaluronan (HA), a major structural component of the extracellular matrix in cartilage, has been shown to inhibit osteoblast differentiation. However, whether HA affects osteogenic differentiation and calcification of VSMCs remains unclear. In the present study, we used in vitro and ex vivo models of vascular calcification to investigate the role of HA in vascular calcification. Both high and low molecular weight HA treatment significantly reduced calcification of rat VSMCs in a dose-dependent manner, as detected by alizarin red staining and calcium content assay. Ex vivo study further confirmed the inhibitory effect of HA on vascular calcification. Similarly, HA treatment decreased ALP activity and expression of bone-related molecules including Runx2, BMP2 and Msx2. By contrast, inhibition of HA synthesis by 4-methylumbelliferone (4MU) promoted calcification of rat VSMCs. In addition, adenovirus-mediated overexpression of HA synthase 2 (HAS2), a major HA synthase in VSMCs, also inhibited calcification of VSMCs, whereas CRISPR/Cas9-mediated HAS2 knockout promoted calcification of rat A10 cells. Furthermore, we found that BMP2 signaling was inhibited in VSMCs after HA treatment. Recombinant BMP2 enhanced high calcium and phosphate-induced VSMC calcification, which can be blocked by HA treatment. Taken together, these findings suggest that HA inhibits vascular calcification involving BMP2 signaling.
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Peng H, Zhang K, Liu Z, Xu Q, You B, Li C, Cao J, Zhou H, Li X, Chen J, Cheng G, Shi R, Zhang G. VPO1 Modulates Vascular Smooth Muscle Cell Phenotypic Switch by Activating Extracellular Signal-regulated Kinase 1/2 (ERK 1/2) in Abdominal Aortic Aneurysms. J Am Heart Assoc 2018; 7:e010069. [PMID: 30371171 PMCID: PMC6201418 DOI: 10.1161/jaha.118.010069] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Accepted: 07/09/2018] [Indexed: 02/04/2023]
Abstract
Background Hydrogen peroxide (H2O2) is a critical molecular signal in the development of abdominal aortic aneurysm ( AAA ) formation. Vascular peroxidase 1 ( VPO 1) catalyzes the production of hypochlorous acid ( HOC l) from H2O2 and significantly enhances oxidative stress. The switch from a contractile phenotype to a synthetic one in vascular smooth muscle cells ( VSMC s) is driven by reactive oxygen species and is recognized as an early and important event in AAA formation. This study aims to determine if VPO 1 plays a critical role in the development of AAA by regulating VSMC phenotypic switch. Methods and Results VPO 1 is upregulated in human and elastase-induced mouse aneurysmal tissues compared with healthy control tissues. Additionally, KLF 4, a nuclear transcriptional factor, is upregulated in aneurysmatic tissues along with a concomitant downregulation of differentiated smooth muscle cell markers and an increase of synthetic phenotypic markers, indicating VSMC phenotypic switch in these diseased tissues. In cultured VSMC s from rat abdominal aorta, H2O2 treatment significantly increases VPO 1 expression and HOC l levels as well as VSMC phenotypic switch. In support of these findings, depletion of VPO 1 significantly attenuates the effects of H2O2 and HOC l treatment. Furthermore, HOC l treatment promotes VSMC phenotypic switch and ERK 1/2 phosphorylation. Pretreatment with U0126 (a specific inhibitor of ERK 1/2) significantly attenuates HOC l-induced VSMC phenotypic switch. Conclusions Our results demonstrate that VPO 1 modulates VSMC phenotypic switch through the H2O2/ VPO 1/ HOC l/ ERK 1/2 signaling pathway and plays a key role in the development of AAA . Our findings also implicate VPO 1 as a novel signaling node that mediates VSMC phenotypic switch and plays a key role in the development of AAA . Clinical Trial Registration URL : www.chictr.org.cn . Unique identifier: Chi CTR 1800016922.
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MESH Headings
- Aged
- Animals
- Aorta, Abdominal/cytology
- Aortic Aneurysm, Abdominal/metabolism
- Aortic Aneurysm, Abdominal/physiopathology
- Cell Movement
- Cell Proliferation
- Disease Models, Animal
- Female
- Hemeproteins/drug effects
- Hemeproteins/metabolism
- Humans
- Hydrogen Peroxide/pharmacology
- Hypochlorous Acid/pharmacology
- Kruppel-Like Factor 4
- Kruppel-Like Transcription Factors/metabolism
- MAP Kinase Signaling System
- Male
- Matrix Metalloproteinase 2/metabolism
- Mice
- Middle Aged
- Muscle Contraction
- Muscle, Smooth, Vascular/cytology
- Muscle, Smooth, Vascular/metabolism
- Muscle, Smooth, Vascular/physiopathology
- Myocytes, Smooth Muscle/cytology
- Myocytes, Smooth Muscle/metabolism
- Oxidants/pharmacology
- Peroxidases/drug effects
- Peroxidases/metabolism
- Phenotype
- Reactive Oxygen Species
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Affiliation(s)
- Huihui Peng
- Department of Cardiovascular MedicineXiangya HospitalCentral South UniversityChangshaChina
| | - Kai Zhang
- Department of Cardiovascular MedicineXiangya HospitalCentral South UniversityChangshaChina
| | - Zhaoya Liu
- Department of Cardiovascular MedicineXiangya HospitalCentral South UniversityChangshaChina
| | - Qian Xu
- Department of Cardiovascular MedicineXiangya HospitalCentral South UniversityChangshaChina
| | - Baiyang You
- Department of Cardiovascular MedicineXiangya HospitalCentral South UniversityChangshaChina
| | - Chan Li
- Department of Cardiovascular MedicineXiangya HospitalCentral South UniversityChangshaChina
| | - Jing Cao
- Department of Cardiovascular MedicineXiangya HospitalCentral South UniversityChangshaChina
| | - Honghua Zhou
- Department of Cardiovascular MedicineXiangya HospitalCentral South UniversityChangshaChina
| | - Xiaohui Li
- Department of PharmacologySchool of Pharmaceutical SciencesCentral South UniversityChangshaChina
| | - Jia Chen
- Department of Humanistic NursingXiangya Nursing SchoolCentral South UniversityChangshaChina
| | - Guangjie Cheng
- Division of Pulmonary, Allergy & Critical Care MedicineDepartment of MedicineUniversity of Alabama at BirminghamAL
| | - Ruizheng Shi
- Department of Cardiovascular MedicineXiangya HospitalCentral South UniversityChangshaChina
| | - Guogang Zhang
- Department of Cardiovascular MedicineXiangya HospitalCentral South UniversityChangshaChina
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Dawodu D, Patecki M, Hegermann J, Dumler I, Haller H, Kiyan Y. oxLDL inhibits differentiation and functional activity of osteoclasts via scavenger receptor-A mediated autophagy and cathepsin K secretion. Sci Rep 2018; 8:11604. [PMID: 30072716 PMCID: PMC6072764 DOI: 10.1038/s41598-018-29963-w] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Accepted: 07/19/2018] [Indexed: 12/24/2022] Open
Abstract
Resorptive activity of osteoclasts is important for maintaining bone homeostasis. Endogenous compounds such as oxidized low density lipoprotein (oxLDL) have been shown to disturb this activity. While some studies have investigated the effects of oxLDL on the process of osteoclastogenesis, the underlying mechanism are not fully understood. We show here that oxLDL concentrations of ~10-25 µg protein (0.43-1.0 µM MDA/mg protein) completely blocked the formation of functional osteoclasts. The underlying mechanism implies an inhibition of autophagy that in turn leads to a decreased fusion of cathepsin K (CatK)-loaded lysosomal vesicles with the ruffled border membrane. As result, a lower secretion of CatK and impaired protonation of the resorption lacunae by vacuolar-ATPase (v-ATPase) is observed in the presence of oxLDL. We demonstrate that scavenger receptor A (SR-A) mediates oxLDL effects on osteoclastogenesis and repressing this receptor partially rescued oxLDL effects. Collectively, our data provides an insight into the possible mechanism of oxLDL on osteoclastogenesis suggesting that it does not perturb the packaging of CatK and v-ATPase (V-a3) in the secretory lysosome, but inhibits the fusion of these lysosomes to the ruffled border. The relevance of our findings suggests a distinct link between oxLDL, autophagy and osteoclastogenesis.
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Affiliation(s)
- Damilola Dawodu
- Department of Nephrology and Hypertensiology, Hannover Medical School, Hannover, Germany
| | - Margret Patecki
- Department of Nephrology and Hypertensiology, Hannover Medical School, Hannover, Germany
| | - Jan Hegermann
- Research Core Unit Electron Microscopy, Hannover Medical School, Hannover, Germany
| | - Inna Dumler
- Department of Nephrology and Hypertensiology, Hannover Medical School, Hannover, Germany
| | - Hermann Haller
- Department of Nephrology and Hypertensiology, Hannover Medical School, Hannover, Germany
| | - Yulia Kiyan
- Department of Nephrology and Hypertensiology, Hannover Medical School, Hannover, Germany.
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梁 青, 陈 燕, 李 传, 陆 立. [Quercetin attenuates Ox-LDL-induced calcification in vascular smooth muscle cells by regulating ROS-TLR4 signaling pathway]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2018; 38:980-985. [PMID: 30187880 PMCID: PMC6744032 DOI: 10.3969/j.issn.1673-4254.2018.08.13] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Indexed: 12/11/2022]
Abstract
OBJECTIVE To determine whether quercetin inhibits oxidized low-density lipoprotein (Ox-LDL)-induced osteogenic differentiation and calcification of vascular smooth muscle cells (VSMCs) and understand the underlying mechanism. METHODS The calcification of human VSMCs following Ox-LDL treatment was assessed using alizarin red staining and by detecting ALP activity. The mRNA expressions of the bone-related genes including Msx2, BMP2 and Osterix, and the contractile proteins including SMA and SM22a were analyzed using qPCR. The effects of quercetin were investigated on OxLDL-induced VSMC calcification and changes in ALP activity, expressions of Msx2, BMP2, Osterix, SMA and SM22a, ROS levels and SOD activity. The effect of Toll like receptor 4 (TLR4) silencing mediated by siRNA transfection on cell calcification, ALP activity, gene expressions and ROS levels were investigated. RESULTS Ox-LDL treatment promoted VSMC calcification and up-regulated TLR4 expression. Quercetin treatment significantly attenuated Ox-LDL-induced VSMC calcification, reduced ALP activity, down-regulated the expression levels of Msx2, BMP2 and Osterix, and up-regulated the expressions of vascular smooth muscle contractile proteins SMA and SM22a. In addition, Quercetin treatment markedly increased SOD activity, reduced ROS levels and TLR4 expression in VSMCs. Silencing TLR4 expression using TLR4 siRNA also significantly decreased calcification of the VSMCs. CONCLUSIONS Quercetin inhibits Ox-LDL-induced VSMC calcification in VSMCs possibly by targeting the ROS/TLR4 signaling pathway.
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Affiliation(s)
- 青春 梁
- 南方医科大学第三附属医院麻醉科,广东 广州 510630Department of Anesthesiology, Third Affiliated Hospital, Southern Medical University, Guangzhou 510630, China
| | - 燕亭 陈
- 中山大学中山医学院病理生理学教研室,广东 广州 510080Department of Pathophysiology, Zhongshan Medical School, Sun Yat-Sen University, Guangzhou 510080, China
| | - 传翔 李
- 南方医科大学第三附属医院麻醉科,广东 广州 510630Department of Anesthesiology, Third Affiliated Hospital, Southern Medical University, Guangzhou 510630, China
| | - 立鹤 陆
- 中山大学中山医学院病理生理学教研室,广东 广州 510080Department of Pathophysiology, Zhongshan Medical School, Sun Yat-Sen University, Guangzhou 510080, China
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Liao L, Zhuang X, Li W, Su Q, Zhao J, Liu Y. Polysaccharide from Fuzi protects against Ox‑LDL‑induced calcification of human vascular smooth muscle cells by increasing autophagic activity. Mol Med Rep 2018; 17:5109-5115. [PMID: 29393437 PMCID: PMC5865975 DOI: 10.3892/mmr.2018.8488] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Accepted: 09/01/2017] [Indexed: 02/01/2023] Open
Abstract
Polysaccharide from Fuzi (FPS) is a water‑soluble polysaccharide isolated from the traditional Chinese herbal medicine Fuzi. It has been demonstrated to protect hepatocytes against ischemia‑reperfusion injury through its potent antioxidant effects, and to attenuate starvation‑induced cytotoxicity in H9c2 cells by increasing autophagic activity. In the present study, Alizarin Red S staining was used to detect mineral deposition and reverse transcription‑quantitative polymerase chain reaction was used to detect the core binding factor α1 and smooth muscle 22α mRNA expression. To analyze autophagic activity, western blotting was used to detect microtubule‑associated protein 1A/1B light chain 3 and nucleoporin P62 expression. In addition, green fluorescent protein‑LC3 dots‑per‑cell was observed by fluorescence microscopy. It was demonstrated that oxidized low‑density lipoprotein (Ox‑LDL) could increase the calcification of human vascular smooth muscle cells (VSMCs) in a concentration‑dependent manner, and that FPS treatment had a significant protective effect against Ox‑LDL‑induced calcification of human VSMCs. Furthermore, FPS treatment alleviated the Ox‑LDL‑induced downregulation of autophagic activity, and the protective effect of FPS on Ox‑LDL‑induced calcification was attenuated by the autophagy inhibitor 3‑methyladenine. In conclusion, the present study demonstrated for the first time to the best of the authors' knowledge that FPS can protect against Ox‑LDL‑induced vascular calcification in human VSMCs, and that this likely occurs via the activation of autophagy. This supports the hypothesis that autophagy may be an endogenous protective mechanism counteracting vascular calcification, and that FPS may be used as a potential therapeutic for vascular calcification.
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Affiliation(s)
- Lizhen Liao
- Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, Guangdong 510006, P.R. China
| | - Xiaodong Zhuang
- Department of Cardiology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Weidong Li
- Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, Guangdong 510006, P.R. China
| | - Qibiao Su
- Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, Guangdong 510006, P.R. China
| | - Jie Zhao
- Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, Guangdong 510006, P.R. China
| | - Ying Liu
- Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, Guangdong 510006, P.R. China
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Hortells L, Sur S, St Hilaire C. Cell Phenotype Transitions in Cardiovascular Calcification. Front Cardiovasc Med 2018; 5:27. [PMID: 29632866 PMCID: PMC5879740 DOI: 10.3389/fcvm.2018.00027] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2018] [Accepted: 03/14/2018] [Indexed: 12/16/2022] Open
Abstract
Cardiovascular calcification was originally considered a passive, degenerative process, however with the advance of cellular and molecular biology techniques it is now appreciated that ectopic calcification is an active biological process. Vascular calcification is the most common form of ectopic calcification, and aging as well as specific disease states such as atherosclerosis, diabetes, and genetic mutations, exhibit this pathology. In the vessels and valves, endothelial cells, smooth muscle cells, and fibroblast-like cells contribute to the formation of extracellular calcified nodules. Research suggests that these vascular cells undergo a phenotypic switch whereby they acquire osteoblast-like characteristics, however the mechanisms driving the early aspects of these cell transitions are not fully understood. Osteoblasts are true bone-forming cells and differentiate from their pluripotent precursor, the mesenchymal stem cell (MSC); vascular cells that acquire the ability to calcify share aspects of the transcriptional programs exhibited by MSCs differentiating into osteoblasts. What is unknown is whether a fully-differentiated vascular cell directly acquires the ability to calcify by the upregulation of osteogenic genes or, whether these vascular cells first de-differentiate into an MSC-like state before obtaining a “second hit” that induces them to re-differentiate down an osteogenic lineage. Addressing these questions will enable progress in preventative and regenerative medicine strategies to combat vascular calcification pathologies. In this review, we will summarize what is known about the phenotypic switching of vascular endothelial, smooth muscle, and valvular cells.
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Affiliation(s)
- Luis Hortells
- Division of Cardiology, Department of Medicine, and the Pittsburgh Heart, Lung, and Blood Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA, United States
| | - Swastika Sur
- Division of Cardiology, Department of Medicine, and the Pittsburgh Heart, Lung, and Blood Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA, United States
| | - Cynthia St Hilaire
- Division of Cardiology, Department of Medicine, and the Pittsburgh Heart, Lung, and Blood Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA, United States
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You B, Liu Y, Chen J, Huang X, Peng H, Liu Z, Tang Y, Zhang K, Xu Q, Li X, Cheng G, Shi R, Zhang G. Vascular peroxidase 1 mediates hypoxia-induced pulmonary artery smooth muscle cell proliferation, apoptosis resistance and migration. Cardiovasc Res 2017; 114:188-199. [PMID: 29186367 DOI: 10.1093/cvr/cvx234] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Accepted: 11/25/2017] [Indexed: 11/13/2022] Open
Abstract
Abstract
Aims
Reactive oxygen species (ROS) play essential roles in the pulmonary vascular remodelling associated with hypoxia-induced pulmonary hypertension (PH). Vascular peroxidase 1 (VPO1) is a newly identified haeme-containing peroxidase that accelerates oxidative stress development in the vasculature. This study aimed to determine the potential role of VPO1 in hypoxia-induced PH-related vascular remodelling.
Methods and results
The vascular morphology and VPO1 expression were assessed in the pulmonary arteries of Sprague–Dawley (SD) rats. Nicotinamide adenine dinucleotide phosphate (NADPH) oxidase 4 (NOX4) and VPO1 expression and HOCl production were significantly increased in hypoxic rats, which also exhibited obvious vascular remodelling. Furthermore, a hypoxia-induced PH model was generated by exposing primary rat pulmonary artery smooth muscle cells (PASMCs) to hypoxic conditions (3% O2, 48 h), which significantly increased the expression of NOX4 and VPO1 and the production of HOCl. These hypoxic changes were accompanied by enhanced proliferation, apoptosis resistance, and migration. In PASMCs, hypoxia-induced changes, including effects on the expression of cell cycle regulators (cyclin B1 and cyclin D1), apoptosis-related proteins (bax, bcl-2, and cleaved caspase-3), migration promoters (matrix metalloproteinases 2 and 9), and NF-κB expression, as well as the production of HOCl, were all inhibited by silencing VPO1 with small interfering RNAs. Moreover, treatment with HOCl under hypoxic conditions upregulated NF-κB expression and enhanced proliferation, apoptosis resistance, and migration in PASMCs, whereas BAY 11-7082 (an inhibitor of NF-κB) significantly inhibited these effects.
Conclusion
Collectively, these results demonstrate that VPO1 promotes hypoxia-induced proliferation, apoptosis resistance, and migration in PASMCs via the NOX4/VPO1/HOCl/NF-κB signalling pathway.
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Affiliation(s)
- Baiyang You
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Yanbo Liu
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Jia Chen
- Department of Humanistic Nursing, Xiangya Nursing School, Central South University, Changsha, China
| | - Xiao Huang
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Huihui Peng
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Zhaoya Liu
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Yixin Tang
- Department of Cardiovascular Medicine, The First Affiliated Hospital of University of South China, Hengyang, China
| | - Kai Zhang
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Qian Xu
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Xiaohui Li
- Department of Pharmacology, School of Pharmaceutical Sciences, Central South University, Changsha, China
| | - Guangjie Cheng
- Division of Pulmonary, Allergy & Critical Care Medicine, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Ruizheng Shi
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Guogang Zhang
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China
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The role of losartan in preventing vascular remodeling in spontaneously hypertensive rats by inhibition of the H2O2/VPO1/HOCl/MMPs pathway. Biochem Biophys Res Commun 2017. [DOI: 10.1016/j.bbrc.2017.06.026] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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38
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Colon S, Page-McCaw P, Bhave G. Role of Hypohalous Acids in Basement Membrane Homeostasis. Antioxid Redox Signal 2017; 27:839-854. [PMID: 28657332 PMCID: PMC5647493 DOI: 10.1089/ars.2017.7245] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Accepted: 06/26/2017] [Indexed: 12/19/2022]
Abstract
SIGNIFICANCE Basement membranes (BMs) are sheet-like structures of specialized extracellular matrix that underlie nearly all tissue cell layers including epithelial, endothelial, and muscle cells. BMs not only provide structural support but are also critical for the development, maintenance, and repair of organs. Animal heme peroxidases generate highly reactive hypohalous acids extracellularly and, therefore, target BMs for oxidative modification. Given the importance of BMs in tissue structure and function, hypohalous acid-mediated oxidative modifications of BM proteins represent a key mechanism in normal development and pathogenesis of disease. Recent Advances: Peroxidasin (PXDN), a BM-associated animal heme peroxidase, generates hypobromous acid (HOBr) to form sulfilimine cross-links within the collagen IV network of BM. These cross-links stabilize BM and are critical for animal tissue development. These findings highlight a paradoxical anabolic role for HOBr, which typically damages protein structure leading to dysfunction. CRITICAL ISSUES The molecular mechanism whereby PXDN uses HOBr as a reactive intermediate to cross-link collagen IV, yet avoid collateral damage to nearby BM proteins, remains unclear. FUTURE DIRECTIONS The exact identification and functional impact of specific hypohalous acid-mediated modifications of BM proteins need to be addressed to connect these modifications to tissue development and pathogenesis of disease. As seen with the sulfilimine cross-link of collagen IV, hypohalous acid oxidative events may be beneficial in select situations rather than uniformly deleterious. Antioxid. Redox Signal. 27, 839-854.
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Affiliation(s)
- Selene Colon
- Division of Nephrology, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
- Department of Biological Sciences, Tennessee State University, Nashville, Tennessee
- Vanderbilt Center for Kidney Disease, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Patrick Page-McCaw
- Division of Nephrology, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
- Vanderbilt Center for Kidney Disease, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Gautam Bhave
- Division of Nephrology, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
- Vanderbilt Center for Kidney Disease, Vanderbilt University Medical Center, Nashville, Tennessee
- Vanderbilt Center for Matrix Biology, Vanderbilt University Medical Center, Nashville, Tennessee
- Department of Cell and Developmental Biology, Vanderbilt University, Nashville, Tennessee
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Fibroblast growth factor 21 plays an inhibitory role in vascular calcification in vitro through OPG/RANKL system. Biochem Biophys Res Commun 2017; 491:578-586. [PMID: 28774557 DOI: 10.1016/j.bbrc.2017.07.160] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Accepted: 07/28/2017] [Indexed: 01/08/2023]
Abstract
Vascular calcification is prevalent and associated with adverse outcome without available therapy. The benefits of fibroblast growth factor (FGF)-21 on metabolism and atherosclerosis make it a promising therapeutic agent for vascular calcification. We investigated the effects of FGF21 on vascular smooth muscle cell (VSMC) calcification by culturing rat VSMCs in a calcifying medium for 9days. FGF21 markedly attenuated mineral deposition and apoptosis at the indicated time points. In the presence of FGF21, the expression levels of osteoblastic protein including bone morphogenic protein-2, alkaline phosphatase(ALP), runt-related transcription factor(RUNX)-2 and nuclear factor-kappa B ligand (RANKL) were down-regulated, whereas the expression of osteoprotegerin (OPG) increased. Knockdown of OPG significantly impaired inhibition of FGF21 on apoptosis and the expression of pro-apoptotic genes including caspase-3 and Bax and osteoblastic -promoting markers including ALP, RUNX-2 and RANKL. Furthermore, FGF21 facilitated the phosphoryl of AKT but suppressed P38, while OPG knockdown attenuated the effects. LY29400 (inhibitor of PI3K) abrogated the activation of PI3K/AKT and SB203580 (inhibitor of P38) abolished the inhibition of FGF21 on P38, while alteration was observed in the expression of RUNX-2. FGF21 inhibited VSMCs calcification via OPG/RANKL system, and through P38 andPI3K/AKT pathways.
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40
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Choi SY, Ryu HM, Oh EJ, Choi JY, Cho JH, Kim CD, Kim YL, Park SH. Dipeptidyl peptidase-4 inhibitor gemigliptin protects against vascular calcification in an experimental chronic kidney disease and vascular smooth muscle cells. PLoS One 2017; 12:e0180393. [PMID: 28686724 PMCID: PMC5501516 DOI: 10.1371/journal.pone.0180393] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Accepted: 06/14/2017] [Indexed: 01/21/2023] Open
Abstract
Although dipeptidyl peptidase-4 inhibitors, a class of antidiabetic drugs, have various pleiotropic effects, it remains undetermined whether gemigliptin has a beneficial effect on vascular calcification. Therefore, this study was performed to evaluate the effect of gemigliptin on vascular calcification in a rat model of adenine-induced chronic kidney disease and in cultured vascular smooth muscle cells. Gemigliptin attenuated calcification of abdominal aorta and expression of RUNX2 in adenine-induced chronic kidney disease rats. In cultured vascular smooth muscle cells, phosphate-induced increase in calcium content was reduced by gemigliptin. Gemigliptin reduced phosphate-induced PiT-1 mRNA expression, reactive oxygen species generation, and NADPH oxidase mRNA expression (p22phox and NOX4). The reduction of oxidative stress by gemigliptin was associated with the downregulation of phospho-PI3K/AKT expression. High phosphate increased the expression of frizzled-3 (FDZ3) and decreased the expression of dickkopf-related protein-1 (DKK-1) in the Wnt pathway. These changes were attenuated by gemigliptin treatment. Gemigliptin restored the decreased expression of vascular smooth muscle cells markers (α-SMA and SM22α) and increased expression of osteogenic makers (CBFA1, OSX, E11, and SOST) induced by phosphate. In conclusion, gemigliptin attenuated vascular calcification and osteogenic trans-differentiation in vascular smooth muscle cells via multiple steps including downregulation of PiT-1 expression and suppression of reactive oxygen species generation, phospho-PI3K/AKT, and the Wnt signaling pathway.
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MESH Headings
- Adenine
- Animals
- Aorta, Abdominal/drug effects
- Aorta, Abdominal/metabolism
- Aorta, Abdominal/pathology
- Calcium/metabolism
- Core Binding Factor Alpha 1 Subunit/genetics
- Core Binding Factor Alpha 1 Subunit/metabolism
- Dipeptidyl-Peptidase IV Inhibitors/pharmacology
- Frizzled Receptors/genetics
- Frizzled Receptors/metabolism
- Gene Expression Regulation
- Intercellular Signaling Peptides and Proteins/genetics
- Intercellular Signaling Peptides and Proteins/metabolism
- Male
- Muscle, Smooth, Vascular/drug effects
- Muscle, Smooth, Vascular/metabolism
- Muscle, Smooth, Vascular/pathology
- Myocytes, Smooth Muscle/drug effects
- Myocytes, Smooth Muscle/metabolism
- Myocytes, Smooth Muscle/pathology
- NADPH Oxidase 4
- NADPH Oxidases/genetics
- NADPH Oxidases/metabolism
- Phosphates/antagonists & inhibitors
- Phosphates/pharmacology
- Phosphatidylinositol 3-Kinases/genetics
- Phosphatidylinositol 3-Kinases/metabolism
- Piperidones/pharmacology
- Primary Cell Culture
- Proto-Oncogene Proteins c-akt/genetics
- Proto-Oncogene Proteins c-akt/metabolism
- Pyrimidines/pharmacology
- Rats
- Rats, Sprague-Dawley
- Reactive Oxygen Species/antagonists & inhibitors
- Reactive Oxygen Species/metabolism
- Renal Insufficiency, Chronic/chemically induced
- Renal Insufficiency, Chronic/genetics
- Renal Insufficiency, Chronic/metabolism
- Renal Insufficiency, Chronic/pathology
- Transcription Factor Pit-1/antagonists & inhibitors
- Transcription Factor Pit-1/genetics
- Transcription Factor Pit-1/metabolism
- Vascular Calcification/genetics
- Vascular Calcification/metabolism
- Vascular Calcification/pathology
- Vascular Calcification/prevention & control
- Wnt Signaling Pathway
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Affiliation(s)
- Soon-Youn Choi
- Division of Nephrology and Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Korea
- BK21 Plus Biomedical Convergence Program, Department of Biomedical Science, Kyungpook National University, Daegu, Korea
- Cell and Matrix Research Institute, Kyungpook National University, Daegu, Korea
| | - Hye-Myung Ryu
- Division of Nephrology and Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Korea
- Cell and Matrix Research Institute, Kyungpook National University, Daegu, Korea
| | - Eun-Joo Oh
- Division of Nephrology and Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Korea
| | - Ji-Young Choi
- Division of Nephrology and Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Korea
| | - Jang-Hee Cho
- Division of Nephrology and Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Korea
| | - Chan-Duck Kim
- Division of Nephrology and Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Korea
- Cell and Matrix Research Institute, Kyungpook National University, Daegu, Korea
| | - Yong-Lim Kim
- Division of Nephrology and Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Korea
- BK21 Plus Biomedical Convergence Program, Department of Biomedical Science, Kyungpook National University, Daegu, Korea
- Cell and Matrix Research Institute, Kyungpook National University, Daegu, Korea
| | - Sun-Hee Park
- Division of Nephrology and Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Korea
- Cell and Matrix Research Institute, Kyungpook National University, Daegu, Korea
- * E-mail:
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Li W, Zhi W, Liu F, He Z, Wang X, Niu X. Atractylenolide I restores HO-1 expression and inhibits Ox-LDL-induced VSMCs proliferation, migration and inflammatory responses in vitro. Exp Cell Res 2017; 353:26-34. [PMID: 28274716 DOI: 10.1016/j.yexcr.2017.02.040] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 02/21/2017] [Accepted: 02/27/2017] [Indexed: 12/25/2022]
Abstract
Pathogenesis of atherosclerosis is characterized by the proliferation and migration of vascular smooth muscle cells (VSMCs) and inflammatory lesions. The aim of this study is to elucidate the effect of atractylenolide I (AO-I) on smooth muscle cell inflammation, proliferation and migration induced by oxidized modified low density lipoprotein (Ox-LDL). Here, We found that atractylenolide I inhibited Ox-LDL-induced VSMCs proliferation and migration in a dose-dependent manner, and decreased the production of inflammatory cytokines and the expression of monocyte chemoattractant protein-1 (MCP-1) in VSMCs. The study also identified that AO-I prominently inhibited p38-MAPK and NF-κB activation. More importantly, the specific heme oxygenase-1 (HO-1) inhibitor zinc protoporphyrin (ZnPP) IX partially abolished the beneficial effects of atractylenolide I on Ox-LDL-induced VSMCs. Furthermore, atractylenolide I blocked the foam cell formation in macrophages induced by Ox-LDL. In summary, inhibitory roles of AO-I in VSMCs proliferation and migration, lipid peroxidation and subsequent inflammatory responses might contribute to the anti-atherosclerotic property of AO-I.
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Affiliation(s)
- Weifeng Li
- School of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, PR China.
| | - Wenbing Zhi
- School of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, PR China
| | - Fang Liu
- School of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, PR China
| | - Zehong He
- School of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, PR China
| | - Xiuei Wang
- School of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, PR China
| | - Xiaofeng Niu
- School of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, PR China.
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42
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Liu Z, Liu Y, Xu Q, Peng H, Tang Y, Yang T, Yu Z, Cheng G, Zhang G, Shi R. Critical role of vascular peroxidase 1 in regulating endothelial nitric oxide synthase. Redox Biol 2017; 12:226-232. [PMID: 28264790 PMCID: PMC5338721 DOI: 10.1016/j.redox.2017.02.022] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Accepted: 02/26/2017] [Indexed: 12/19/2022] Open
Abstract
Vascular peroxidase 1 (VPO1) is a member of the peroxidase family which aggravates oxidative stress by producing hypochlorous acid (HOCl). Our previous study demonstrated that VPO1 plays a critical role in endothelial dysfunction through dimethylarginine dimethylaminohydrolase2 (DDAH2)/asymmetric Dimethylarginine (ADMA) pathway. Hereby we describe the regulatory role of VPO1 on endothelial nitric oxide synthase (eNOS) expression and activity in human umbilical vein endothelial cells (HUVECs). In HUVECs AngiotensinII (100 nM) treatment reduced Nitric Oxide (NO) production, decreased eNOS expression and activity, which were reversed by VPO1 siRNA. Knockdown of VPO1 also attenuated ADMA production and eNOS uncoupling while enhancing phosphorylated ser1177 eNOS expression level. Furthermore, HOCl stimulation was shown to directly induce ADMA production and eNOS uncoupling, decrease phosphorylated ser1177 eNOS expression. It also significantly suppressed eNOS expression and activity together with NO production. Therefore, VPO1 plays a vital role in regulating eNOS expression and activity via hydrogen peroxide (H2O2)-VPO1-HOCl pathway. Angiotensin II decreased eNOS expression and activity in HUVECs. VPO1 plays an important role in regulating eNOS expression and activity in HUVECs. VPO1 regulates eNOS expression and activity through VPO1/H2O2/HOCl pathway.
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Affiliation(s)
- Zhaoya Liu
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Yanbo Liu
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Qian Xu
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Haiyang Peng
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Yixin Tang
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Tianlun Yang
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Zaixin Yu
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Guangjie Cheng
- Division of Pulmonary, Allergy & Critical Care Medicine, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Guogang Zhang
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha 410008, China.
| | - Ruizheng Shi
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha 410008, China.
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