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Fang YP, Yang X, Zhang Y, Zhu XD, Wang XX, Liu Y, Shi W, Huang JY, Zhao Y, Zhang XL. LPS-induced senescence of macrophages aggravates calcification and senescence of vascular smooth muscle cells via IFITM3. Ren Fail 2024; 46:2367708. [PMID: 38973391 PMCID: PMC11232647 DOI: 10.1080/0886022x.2024.2367708] [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: 09/08/2023] [Accepted: 06/07/2024] [Indexed: 07/09/2024] Open
Abstract
BACKGROUND Cellular senescence, macrophages infiltration, and vascular smooth muscle cells (VSMCs) osteogenic transdifferentiation participate in the pathophysiology of vascular calcification in chronic kidney disease (CKD). Senescent macrophages are involved in the regulation of inflammation in pathological diseases. In addition, senescent cells spread senescence to neighboring cells via Interferon-induced transmembrane protein3 (IFITM3). However, the role of senescent macrophages and IFITM3 in VSMCs calcification remains unexplored. AIMS To explore the hypothesis that senescent macrophages contribute to the calcification and senescence of VSMCs via IFITM3. METHODS Here, the macrophage senescence model was established using Lipopolysaccharides (LPS). The VSMCs were subjected to supernatants from macrophages (MCFS) or LPS-induced macrophages (LPS-MCFS) in the presence or absence of calcifying media (CM). Senescence-associated β-galactosidase (SA-β-gal), Alizarin red (AR), immunofluorescent staining, and western blot were used to identify cell senescence and calcification. RESULTS The expression of IFITM3 was significantly increased in LPS-induced macrophages and the supernatants. The VSMCs transdifferentiated into osteogenic phenotype, expressing higher osteogenic differentiation markers (RUNX2) and lower VSMCs constructive makers (SM22α) when cultured with senescent macrophages supernatants. Also, senescence markers (p16 and p21) in VSMCs were significantly increased by senescent macrophages supernatants treated. However, IFITM3 knockdown inhibited this process. CONCLUSIONS Our study showed that LPS-induced senescence of macrophages accelerated the calcification of VSMCs via IFITM3. These data provide a new perspective linking VC and aging, which may provide clues for diagnosing and treating accelerated vascular aging in patients with CKD.
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Affiliation(s)
- Ya-Ping Fang
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Xin Yang
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Ying Zhang
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Xiao-Dong Zhu
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Xiao-Xu Wang
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Yan Liu
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Wen Shi
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Jia-Yi Huang
- Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Yu Zhao
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Xiao-Liang Zhang
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
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Zheng J, He J, Li H. FAM19A5 in vascular aging and osteoporosis: Mechanisms and the "calcification paradox". Ageing Res Rev 2024; 99:102361. [PMID: 38821416 DOI: 10.1016/j.arr.2024.102361] [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: 01/25/2024] [Revised: 05/05/2024] [Accepted: 05/28/2024] [Indexed: 06/02/2024]
Abstract
Aging induces a progressive decline in the vasculature's structure and function. Vascular aging is a determinant factor for vascular ailments in the elderly. FAM19A5, a recently identified adipokine, has demonstrated involvement in multiple vascular aging-related pathologies, including atherosclerosis, cardio-cerebral vascular diseases and cognitive deficits. This review summarizes the current understanding of FAM19A5' role and explores its putative regulatory mechanisms in various aging-related disorders, including cardiovascular diseases (CVDs), metabolic diseases, neurodegenerative diseases and malignancies. Importantly, we provide novel insights into the underlying therapeutic value of FAM19A5 in osteoporosis. Finally, we outline future perspectives on the diagnostic and therapeutic potential of FAM19A5 in vascular aging-related diseases.
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Affiliation(s)
- Jin Zheng
- Department of Geriatrics, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan, China
| | - Jieyu He
- Department of Geriatrics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Huahua Li
- Department of Geriatrics, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan, China.
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Li D, Fan C, Li X, Zhao L. The role of macrophage polarization in vascular calcification. Biochem Biophys Res Commun 2024; 710:149863. [PMID: 38579535 DOI: 10.1016/j.bbrc.2024.149863] [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: 12/30/2023] [Revised: 03/25/2024] [Accepted: 03/28/2024] [Indexed: 04/07/2024]
Abstract
Vascular calcification is an important factor in the high morbidity and mortality of Cardiovascular and cerebrovascular diseases. Vascular damage caused by calcification of the intima or media impairs the physiological function of the vascular wall. Inflammation is a central factor in the development of vascular calcification. Macrophages are the main inflammatory cells. Dynamic changes of macrophages with different phenotypes play an important role in the occurrence, progression and stability of calcification. This review focuses on macrophage polarization and the relationship between macrophages of different phenotypes and calcification environment, as well as the mechanism of interaction, it is considered that macrophages can promote vascular calcification by releasing inflammatory mediators and promoting the osteogenic transdifferentiation of smooth muscle cells and so on. In addition, several therapeutic strategies aimed at macrophage polarization for vascular calcification are described, which are of great significance for targeted treatment of vascular calcification.
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Affiliation(s)
- Dan Li
- The Second Clinical Medical College of Shandong University of Traditional Chinese Medicine, Jinan City, Shandong Province, China
| | - Chu Fan
- Department of Cardiology, Beijing AnZhen Hospital, Capital Medical University, Beijing City, China
| | - Xuepeng Li
- Department of Cardiology, Beijing AnZhen Hospital, Capital Medical University, Beijing City, China
| | - Lin Zhao
- The Second Clinical Medical College of Shandong University of Traditional Chinese Medicine, Jinan City, Shandong Province, China; Department of Cardiology, Beijing AnZhen Hospital, Capital Medical University, Beijing City, 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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Yang S, Zeng Z, Yuan Q, Chen Q, Wang Z, Xie H, Liu J. Vascular calcification: from the perspective of crosstalk. MOLECULAR BIOMEDICINE 2023; 4:35. [PMID: 37851172 PMCID: PMC10584806 DOI: 10.1186/s43556-023-00146-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 09/20/2023] [Indexed: 10/19/2023] Open
Abstract
Vascular calcification (VC) is highly correlated with cardiovascular disease morbidity and mortality, but anti-VC treatment remains an area to be tackled due to the ill-defined molecular mechanisms. Regardless of the type of VC, it does not depend on a single cell but involves multi-cells/organs to form a complex cellular communication network through the vascular microenvironment to participate in the occurrence and development of VC. Therefore, focusing only on the direct effect of pathological factors on vascular smooth muscle cells (VSMCs) tends to overlook the combined effect of other cells and VSMCs, including VSMCs-VSMCs, ECs-VMSCs, Macrophages-VSMCs, etc. Extracellular vesicles (EVs) are a collective term for tiny vesicles with a membrane structure that are actively secreted by cells, and almost all cells secrete EVs. EVs docked on the surface of receptor cells can directly mediate signal transduction or transfer their contents into the cell to elicit a functional response from the receptor cells. They have been proven to participate in the VC process and have also shown attractive therapeutic prospects. Based on the advantages of EVs and the ability to be detected in body fluids, they may become a novel therapeutic agent, drug delivery vehicle, diagnostic and prognostic biomarker, and potential therapeutic target in the future. This review focuses on the new insight into VC molecular mechanisms from the perspective of crosstalk, summarizes how multi-cells/organs interactions communicate via EVs to regulate VC and the emerging potential of EVs as therapeutic methods in VC. We also summarize preclinical experiments on crosstalk-based and the current state of clinical studies on VC-related measures.
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Affiliation(s)
- Shiqi Yang
- Department of Metabolism and Endocrinology, Hengyang Medical School, The First Affiliated Hospital, University of South China, Hengyang, 421001, Hunan, China
- Department of Clinical Laboratory Medicine, Hengyang Medical School, The First Affiliated Hospital, University of South China, Hengyang, 421001, Hunan, China
| | - Zhaolin Zeng
- Department of Metabolism and Endocrinology, Hengyang Medical School, The First Affiliated Hospital, University of South China, Hengyang, 421001, Hunan, China
| | - Qing Yuan
- Department of Metabolism and Endocrinology, Hengyang Medical School, The First Affiliated Hospital, University of South China, Hengyang, 421001, Hunan, China
- Department of Clinical Laboratory Medicine, Hengyang Medical School, The First Affiliated Hospital, University of South China, Hengyang, 421001, Hunan, China
| | - Qian Chen
- Department of Metabolism and Endocrinology, Hengyang Medical School, The First Affiliated Hospital, University of South China, Hengyang, 421001, Hunan, China
| | - Zuo Wang
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
| | - Hui Xie
- Department of Orthopaedics, Movement System Injury and Repair Research Centre, Xiangya Hospital, Central South University, Changsha, Hunan Province, China.
| | - Jianghua Liu
- Department of Metabolism and Endocrinology, Hengyang Medical School, The First Affiliated Hospital, University of South China, Hengyang, 421001, Hunan, China.
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Neels JG, Gollentz C, Chinetti G. Macrophage death in atherosclerosis: potential role in calcification. Front Immunol 2023; 14:1215612. [PMID: 37469518 PMCID: PMC10352763 DOI: 10.3389/fimmu.2023.1215612] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 06/20/2023] [Indexed: 07/21/2023] Open
Abstract
Cell death is an important aspect of atherosclerotic plaque development. Insufficient efferocytosis of death cells by phagocytic macrophages leads to the buildup of a necrotic core that impacts stability of the plaque. Furthermore, in the presence of calcium and phosphate, apoptotic bodies resulting from death cells can act as nucleation sites for the formation of calcium phosphate crystals, mostly in the form of hydroxyapatite, which leads to calcification of the atherosclerotic plaque, further impacting plaque stability. Excessive uptake of cholesterol-loaded oxidized LDL particles by macrophages present in atherosclerotic plaques leads to foam cell formation, which not only reduces their efferocytosis capacity, but also can induce apoptosis in these cells. The resulting apoptotic bodies can contribute to calcification of the atherosclerotic plaque. Moreover, other forms of macrophage cell death, such as pyroptosis, necroptosis, parthanatos, and ferroptosis can also contribute by similar mechanisms to plaque calcification. This review focuses on macrophage death in atherosclerosis, and its potential role in calcification. Reducing macrophage cell death and/or increasing their efferocytosis capacity could be a novel therapeutic strategy to reduce the formation of a necrotic core and calcification and thereby improving atherosclerotic plaque stability.
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Affiliation(s)
- Jaap G. Neels
- Université Côte d’Azur, Institut national de la santé et de la recherche médicale (INSERM), Centre Méditerranéen de Médecine Moléculaire (C3M), Nice, France
| | - Claire Gollentz
- Université Côte d’Azur, Centre Hospitalier Universitaire (CHU), Institut national de la santé et de la recherche médicale (NSERM), Centre Méditerranéen de Médecine Moléculaire (C3M), Nice, France
| | - Giulia Chinetti
- Université Côte d’Azur, Centre Hospitalier Universitaire (CHU), Institut national de la santé et de la recherche médicale (NSERM), Centre Méditerranéen de Médecine Moléculaire (C3M), Nice, France
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Oprişoreanu AM, Ryan F, Richmond C, Dzekhtsiarova Y, Carragher NO, Becker T, David S, Becker CG. Drug screening in zebrafish larvae reveals inflammation-related modulators of secondary damage after spinal cord injury in mice. Theranostics 2023; 13:2531-2551. [PMID: 37215570 PMCID: PMC10196818 DOI: 10.7150/thno.81332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 04/11/2023] [Indexed: 05/24/2023] Open
Abstract
Prolonged inflammation after spinal cord injury is detrimental to recovery. To find pharmacological modulators of the inflammation response, we designed a rapid drug screening paradigm in larval zebrafish followed by testing of hit compounds in a mouse spinal cord injury model. Methods: We used reduced il-1β linked green fluorescent protein (GFP) reporter gene expression as a read-out for reduced inflammation in a screen of 1081 compounds in larval zebrafish. Hit drugs were tested in a moderate contusion model in mice for cytokine regulation, and improved tissue preservation and locomotor recovery. Results: Three compounds robustly reduced il-1β expression in zebrafish. Cimetidine, an over-the-counter H2 receptor antagonist, also reduced the number of pro-inflammatory neutrophils and rescued recovery after injury in a zebrafish mutant with prolonged inflammation. Cimetidine action on il-1β expression levels was abolished by somatic mutation of H2 receptor hrh2b, suggesting specific action. In mice, systemic treatment with Cimetidine led to significantly improved recovery of locomotor behavior as compared to controls, accompanied by decreased neuronal tissue loss and a shift towards a pro-regenerative profile of cytokine gene expression. Conclusion: Our screen revealed H2 receptor signaling as a promising target for future therapeutic interventions in spinal cord injury. This work highlights the usefulness of the zebrafish model for rapid screening of drug libraries to identify therapeutics to treat mammalian spinal cord injury.
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Affiliation(s)
- Ana-Maria Oprişoreanu
- Centre for Discovery Brain Sciences, University of Edinburgh, The Chancellor's Building, 49 Little France Crescent, Edinburgh, EH16 4SB, UK
- Center for Regenerative Therapies Dresden, TU Dresden, Fetscherstraße 105, 01307 Dresden, Germany
| | - Fari Ryan
- Centre for Research in Neuroscience, Research Institute of the McGill University Health Centre, 1650 Cedar Ave., Montreal, Quebec, H3G 1A4
| | - Claire Richmond
- Centre for Discovery Brain Sciences, University of Edinburgh, The Chancellor's Building, 49 Little France Crescent, Edinburgh, EH16 4SB, UK
| | - Yuliya Dzekhtsiarova
- Center for Regenerative Therapies Dresden, TU Dresden, Fetscherstraße 105, 01307 Dresden, Germany
| | - Neil O. Carragher
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, EH4 2XR, UK
| | - Thomas Becker
- Centre for Discovery Brain Sciences, University of Edinburgh, The Chancellor's Building, 49 Little France Crescent, Edinburgh, EH16 4SB, UK
- Center for Regenerative Therapies Dresden, TU Dresden, Fetscherstraße 105, 01307 Dresden, Germany
| | - Samuel David
- Centre for Research in Neuroscience, Research Institute of the McGill University Health Centre, 1650 Cedar Ave., Montreal, Quebec, H3G 1A4
| | - Catherina G. Becker
- Centre for Discovery Brain Sciences, University of Edinburgh, The Chancellor's Building, 49 Little France Crescent, Edinburgh, EH16 4SB, UK
- Center for Regenerative Therapies Dresden, TU Dresden, Fetscherstraße 105, 01307 Dresden, Germany
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CXCR6 Mediates Pressure Overload-Induced Aortic Stiffness by Increasing Macrophage Recruitment and Reducing Exosome-miRNA29b. J Cardiovasc Transl Res 2022; 16:271-286. [PMID: 36018423 DOI: 10.1007/s12265-022-10304-2] [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: 07/04/2022] [Accepted: 08/17/2022] [Indexed: 10/15/2022]
Abstract
Aortic stiffness is an independent risk factor for aortic diseases such as aortic dissection which commonly occurred with aging and hypertension. Chemokine receptor CXCR6 is critically involved in vascular inflammation and remodeling. Here, we investigated whether and how CXCR6 plays a role in aortic stiffness caused by pressure overload. CXCR6-/- and WT mice underwent transverse aortic constriction (TAC) surgery for 8 weeks. CXCR6 deficiency significantly improved TAC-induced aortic remodeling and endothelial dysfunction by decreasing CD11c+ macrophage infiltration, suppressing VCAM-1 and ICAM-1, reducing collagen deposition, and downregulating MMP12 and osteopontin in the aorta. Consistently, blocking the CXCL16/CXCR6 axis also reduced aortic accumulation of CD11c+ macrophages and vascular stiffness but without affecting the release of TNF-α and IL-6 from the aorta. Furthermore, pressure overload inhibited aortic release of exosomes, which could be reversed by suppressing CXCR6 or CXCL16. Inhibition of exosome release by GW4869 significantly aggravated TAC-induced aortic calcification and stiffness. By exosomal microRNA microarray analysis, we found that microRNA-29b was significantly reduced in aortic endothelial cells (AECs) receiving TAC. Intriguingly, blocking the CXCL16/CXCR6 axis restored the expression of miR-29b in AECs. Finally, overexpression of miR-29b significantly increased eNOS and reduced MMPs and collagen in AECs. By contrast, antagonizing miR-29b in vivo further enhanced TAC-induced expressions of MMP12 and osteopontin, aggravated aortic fibrosis, calcification, and stiffness. Our study demonstrated a key role of the CXCL16/CXCR6 axis in macrophage recruitment and macrophage-mediated aortic stiffness under pressure overload through an exosome-miRNAs-dependent manner.
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Feng Y, Ye D, Wang Z, Pan H, Lu X, Wang M, Xu Y, Yu J, Zhang J, Zhao M, Xu S, Pan W, Yin Z, Ye J, Wan J. The Role of Interleukin-6 Family Members in Cardiovascular Diseases. Front Cardiovasc Med 2022; 9:818890. [PMID: 35402550 PMCID: PMC8983865 DOI: 10.3389/fcvm.2022.818890] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Accepted: 02/11/2022] [Indexed: 12/12/2022] Open
Abstract
Cardiovascular disease is one of the main causes of human mortality. Cytokines play crucial roles in the development of cardiovascular disease. Interleukin (IL)-6 family members are a series of cytokines, including IL-6, IL-11, IL-30, IL-31, OSM, LIF, CNTF, CT-1, CT-2, and CLC, that regulate multiple biological effects. Experimental and clinical evidence shows that IL-6 family members are closely related to cardiovascular diseases such as atherosclerosis, hypertension, aortic dissection, cardiac fibrosis, and cardiomyopathy. This review mainly discusses the role of IL-6 family members in cardiovascular disease for the sake of identifying possible intervention targets for cardiovascular disease prevention and treatment.
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Affiliation(s)
- Yongqi Feng
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute, Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Di Ye
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute, Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Zhen Wang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute, Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Heng Pan
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute, Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Xiyi Lu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute, Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Menglong Wang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute, Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Yao Xu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute, Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Junping Yu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute, Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Jishou Zhang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute, Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Mengmeng Zhao
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute, Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Shuwan Xu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute, Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Wei Pan
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute, Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Zheng Yin
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute, Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Jing Ye
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute, Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
- Jing Ye
| | - Jun Wan
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute, Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
- *Correspondence: Jun Wan
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Leifheit-Nestler M, Vogt I, Haffner D, Richter B. Phosphate Is a Cardiovascular Toxin. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1362:107-134. [DOI: 10.1007/978-3-030-91623-7_11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Ding M, Zhang Q, Zhang M, Jiang X, Wang M, Ni L, Gong W, Huang B, Chen J. Phosphate Overload Stimulates Inflammatory Reaction via PiT-1 and Induces Vascular Calcification in Uremia. J Ren Nutr 2021; 32:178-188. [PMID: 34688540 DOI: 10.1053/j.jrn.2021.03.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 01/27/2021] [Accepted: 03/20/2021] [Indexed: 11/11/2022] Open
Abstract
OBJECTIVE Vascular calcification (VC) is an important risk factor for cardiovascular disease in maintenance hemodialysis (MHD) patients. Hyperphosphatemia and microinflammation statement are known major contributors to the development of VC; however, the mechanisms are unknown. The aims of this study were to explore the risk factors of VC in MHD patients and to explore whether high phosphate could increase the secretion of inflammatory cytokines via PiT-1 in monocytes. METHODS A cross-sectional study was conducted on 65 MHD patients to assess the relevance of coronary artery calcification (CAC), inflammatory factors, serum phosphate, and sodium-dependent phosphate cotransporter (NPT) mRNA expression of peripheral blood mononuclear cells (PBMCs). Multivariate logistic regression analysis was used to analyze the predictors of CAC. The calcification effects of high phosphate (HP), TNF-α, and supernatants of healthy human monocytes treated with HP were further evaluated in cultured HASMCs. RESULTS Diabetes, longer dialysis vintage, higher serum TNF-α levels, and PiT-1 mRNA expression of PBMCs) were independent risk factors of CAC in MHD patients. The mRNA levels of PiT-1 in PBMCs were positively correlated with serum phosphate, CAC scores, and Pit-2 mRNA levels of PBMCs. The expressions of TNF-α, IL-6, and PiT-1 in human monocytes were significantly increased in a dose-dependent manner after treatment with HP, which was subsequently inhibited by NPT antagonist phosphonoformic acid. Neither TNF-α alone nor supernatants of monocytes stimulated with HP promoted the expression of osteopontin and Runt-related transcription factor 2 (Runx2) or caused mineralization in human aortic smooth muscle cells, but combined with HP intervention, the calcification effects were markedly increased in human aortic smooth muscle cells and ameliorated by phosphonoformic acid treatment. CONCLUSION Hyperphosphatemia directly increased the synthesis and secretion of TNF-α by monocytes may via PiT-1 pathway, resulting in elevated systemic inflammatory response, which may further aggravate VC induced by phosphate overload in MHD patients.
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Affiliation(s)
- Minwen Ding
- Division of Nephrology, National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Qian Zhang
- Division of Nephrology, National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Minmin Zhang
- Division of Nephrology, National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Xinxin Jiang
- Division of Nephrology, National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Mengjing Wang
- Division of Nephrology, National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Li Ni
- Division of Nephrology, National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Wen Gong
- Division of Nephrology, National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Bihong Huang
- Division of Nephrology, National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Jing Chen
- Division of Nephrology, National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China.
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High levels of osteoprotegerin are associated with coronary artery calcification in patients suspected of a chronic coronary syndrome. Sci Rep 2021; 11:18946. [PMID: 34556709 PMCID: PMC8460823 DOI: 10.1038/s41598-021-98177-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 06/03/2021] [Indexed: 11/08/2022] Open
Abstract
Plasma osteoprotegerin (OPG) and vascular smooth muscle cell (VSMC) derived extracellular vesicles (EVs) are important regulators in the process of vascular calcification (VC). In population studies, high levels of OPG are associated with events. In animal studies, however, high OPG levels result in reduction of VC. VSMC-derived EVs are assumed to be responsible for OPG transport and VC but this role has not been studied. For this, we investigated the association between OPG in plasma and circulating EVs with coronary artery calcium (CAC) as surrogate for VC in symptomatic patients. We retrospectively assessed 742 patients undergoing myocardial perfusion imaging (MPI). CAC scores were determined on the MPI-CT images using a previously developed automated algorithm. Levels of OPG were quantified in plasma and two EV-subpopulations (LDL and TEX), using an electrochemiluminescence immunoassay. Circulating levels of OPG were independently associated with CAC scores in plasma; OR 1.39 (95% CI 1.17–1.65), and both EV populations; EV-LDL; OR 1.51 (95% CI 1.27–1.80) and EV-TEX; OR 1.21 (95% CI 1.02–1.42). High levels of OPG in plasma were independently associated with CAC scores in this symptomatic patient cohort. High levels of EV-derived OPG showed the same positive association with CAC scores, suggesting that EV-derived OPG mirrors the same pathophysiological process as plasma OPG.
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Waring OJ, Skenteris NT, Biessen EAL, Donners MMPC. Two-faced Janus: The dual role of macrophages in atherosclerotic calcification. Cardiovasc Res 2021; 118:2768-2777. [PMID: 34550346 PMCID: PMC9586561 DOI: 10.1093/cvr/cvab301] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Accepted: 09/20/2021] [Indexed: 12/19/2022] Open
Abstract
Calcification is an independent predictor of atherosclerosis-related cardiovascular events. Microcalcification is linked to inflamed, unstable lesions, in comparison to the fibrotic stable plaque phenotype generally associated with advanced calcification. This paradox relates to recognition that calcification presents in a wide spectrum of manifestations that differentially impact plaque’s fate. Macrophages, the main inflammatory cells in atherosclerotic plaque, have a multifaceted role in disease progression. They crucially control the mineralization process, from microcalcification to the osteoid metaplasia of bone-like tissue. It is a bilateral interaction that weighs heavily on the overall plaque fate but remains rather unexplored. This review highlights current knowledge about macrophage phenotypic changes in relation to and interaction with the calcifying environment. On the one hand, macrophage-led inflammation kickstarts microcalcification through a multitude of interlinked mechanisms, which in turn stimulates phenotypic changes in vascular cell types to drive microcalcification. Macrophages may also modulate the expression/activity of calcification inhibitors and inducers, or eliminate hydroxyapatite nucleation points. Contrarily, direct exposure of macrophages to an early calcifying milieu impacts macrophage phenotype, with repercussions for plaque progression and/or stability. Macrophages surrounding macrocalcification deposits show a more reparative phenotype, modulating extracellular matrix, and expressing osteoclast genes. This phenotypic shift favours gradual displacement of the pro-inflammatory hubs; the lipid necrotic core, by macrocalcification. Parallels to bone metabolism may explain many of these changes to macrophage phenotype, with advanced calcification able to show homeostatic osteoid metaplasia. As the targeted treatment of vascular calcification developing in atherosclerosis is thus far severely lacking, it is crucial to better understand its mechanisms of development.
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Affiliation(s)
- O J Waring
- Department of Pathology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Center, Maastricht, Netherlands
| | - N T Skenteris
- Department of Pathology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Center, Maastricht, Netherlands.,Cardiovascular Medicine Unit, Department of Medicine, Karolinska Institutet, Solna, Sweden
| | - E A L Biessen
- Department of Pathology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Center, Maastricht, Netherlands.,Institute for Molecular Cardiovascular Research, RWTH Aachen University, Aachen, German
| | - M M P C Donners
- Department of Pathology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Center, Maastricht, Netherlands
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Abstract
Atherosclerosis is the leading cause of acute cardiovascular events, and vascular calcification is an important pathological phenomenon in atherosclerosis. Recently, many studies have shown that immune cells are closely associated with the development of atherosclerosis and calcification, but there are many conflicting viewpoints because of immune system complications, such as the pro-atherosclerotic and atheroprotective effects of regulatory B cells (Bregs), T helper type 2 (Th2) cells and T helper type 17 (Th17) cells. In this review, we summarize the studies on the roles of immune cells, especially lymphocytes and macrophages, in atherosclerotic calcification. Furthermore, we prepared graphs showing the relationship between T cells, B cells and macrophages and atherosclerotic calcification. Finally, we highlight some potential issues that are closely associated with the function of immune cells in atherosclerotic calcification. Based on current research results, this review summarizes the relationship between immune cells and atherosclerotic calcification, and it will be beneficial to understand the relationship of immune cells and atherosclerotic calcification.
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Affiliation(s)
- Jingsong Cao
- Clinical Medicine Research Center, 574417The First Affiliated Hospital of University of South China, Hengyang, China.,Department of Endocrinology and Metabolism, 574417The First Affiliated Hospital of University of South China, Hengyang, Hunan, China
| | - Xuyu Zu
- Clinical Medicine Research Center, 574417The First Affiliated Hospital of University of South China, Hengyang, China
| | - Jianghua Liu
- Clinical Medicine Research Center, 574417The First Affiliated Hospital of University of South China, Hengyang, China.,Department of Endocrinology and Metabolism, 574417The First Affiliated Hospital of University of South China, Hengyang, Hunan, China.,Department of Metabolism and Endocrinology, 574417The First Affiliated Hospital of University of South China, Hengyang, China
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Procyanidin B2 Reduces Vascular Calcification through Inactivation of ERK1/2-RUNX2 Pathway. Antioxidants (Basel) 2021; 10:antiox10060916. [PMID: 34198832 PMCID: PMC8228429 DOI: 10.3390/antiox10060916] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 05/27/2021] [Accepted: 06/02/2021] [Indexed: 01/11/2023] Open
Abstract
Vascular calcification is strongly associated with atherosclerotic plaque burden and plaque instability. The activation of extracellular signal-regulated kinase 1/2 (ERK1/2) increases runt related transcription factor 2 (RUNX2) expression to promote vascular calcification. Procyanidin B2 (PB2), a potent antioxidant, can inhibit ERK1/2 activation in human aortic smooth muscle cells (HASMCs). However, the effects and involved mechanisms of PB2 on atherosclerotic calcification remain unknown. In current study, we fed apoE-deficient (apoE−/−) mice a high-fat diet (HFD) while treating the animals with PB2 for 18 weeks. At the end of the study, we collected blood and aorta samples to determine atherosclerosis and vascular calcification. We found PB2 treatment decreased lesions in en face aorta, thoracic, and abdominal aortas by 21.4, 24.6, and 33.5%, respectively, and reduced sinus lesions in the aortic root by 17.1%. PB2 also increased α-smooth muscle actin expression and collagen content in lesion areas. In the aortic root, PB2 reduced atherosclerotic calcification areas by 75.8%. In vitro, PB2 inhibited inorganic phosphate-induced osteogenesis in HASMCs and aortic rings. Mechanistically, the expression of bone morphogenetic protein 2 and RUNX2 were markedly downregulated by PB2 treatment. Additionally, PB2 inhibited ERK1/2 phosphorylation in the aortic root plaques of apoE−/− mice and calcified HASMCs. Reciprocally, the activation of ERK1/2 phosphorylation by C2-MEK1-mut or epidermal growth factor can partially restore the PB2-inhibited RUNX2 expression or HASMC calcification. In conclusion, our study demonstrates that PB2 inhibits vascular calcification through the inactivation of the ERK1/2-RUNX2 pathway. Our study also suggests that PB2 can be a potential option for vascular calcification treatment.
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Deligiorgi MV, Panayiotidis MI, Siasos G, Trafalis DT. Osteoporosis Entwined with Cardiovascular Disease: The Implication of Osteoprotegerin and the Example of Statins. Curr Med Chem 2021; 28:1443-1467. [PMID: 31971101 DOI: 10.2174/0929867327666200123151132] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 12/19/2019] [Accepted: 12/24/2019] [Indexed: 11/22/2022]
Abstract
Beyond being epiphenomenon of shared epidemiological factors, the integration of Osteoporosis (OP) with Cardiovascular Disease (CVD) - termed "calcification paradox" - reflects a continuum of aberrant cardiometabolic status. The present review provides background knowledge on "calcification paradox", focusing on the endocrine aspect of vasculature orchestrated by the osteoblastic molecular fingerprint of vascular cells, acquired via imbalance among established modulators of mineralization. Osteoprotegerin (OPG), the well-established osteoprotective cytokine, has recently been shown to exert a vessel-modifying role. Prompted by this notion, the present review interrogates OPG as the potential missing link between OP and CVD. However, so far, the confirmation of this hypothesis is hindered by the equivocal role of OPG in CVD, being both proatherosclerotic and antiatherosclerotic. Further research is needed to illuminate whether OPG could be a biomarker of the "calcification paradox". Moreover, the present review brings into prominence the dual role of statins - cardioprotective and osteoprotective - as a potential illustration of the integration of CVD with OP. Considering that the statins-induced modulation of OPG is central to the statins-driven osteoprotective signalling, statins could be suggested as an illustration of the role of OPG in the bone/vessels crosstalk, if further studies consolidate the contribution of OPG to the cardioprotective role of statins. Another outstanding issue that merits further evaluation is the inconsistency of the osteoprotective role of statins. Further understanding of the varying bone-modifying role of statins, likely attributed to the unique profile of different classes of statins defined by distinct physicochemical characteristics, may yield tangible benefits for treating simultaneously OP and CVD.
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Affiliation(s)
- Maria V Deligiorgi
- Department of Pharmacology - Clinical Pharmacology Unit, Faculty of Medicine, National and Kapodistrian University of Athens, Building 16, 1st Floor, 75 Mikras Asias, 11527 Goudi, Athens, Greece
| | - Mihalis I Panayiotidis
- Department of Applied Sciences, Group of Translational Biosciences, Faculty of Health & Life Sciences, Northumbria University, Ellison Building A516, Newcastle Upon Tyne, NE1 8ST, United Kingdom
| | - Gerasimos Siasos
- Department of Cardiology, Faculty of Medicine, 1st Hippokration Hospital, National and Kapodistrian University of Athens, 114 Vas Sofias, 11527 Athens, Greece
| | - Dimitrios T Trafalis
- Department of Pharmacology - Clinical Pharmacology Unit, Faculty of Medicine, National and Kapodistrian University of Athens, Building 16, 1st Floor, 75 Mikras Asias, 11527 Goudi, Athens, Greece
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Fehérvári L, Frigy A, Kocsis L, Szabó IA, Szabo TM, Urkon M, Jakó Z, Nagy EE. Serum Osteoprotegerin and Carotid Intima-Media Thickness Are Related to High Arterial Stiffness in Heart Failure with Reduced Ejection Fraction. Diagnostics (Basel) 2021; 11:diagnostics11050764. [PMID: 33923139 PMCID: PMC8145213 DOI: 10.3390/diagnostics11050764] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 04/15/2021] [Accepted: 04/20/2021] [Indexed: 12/11/2022] Open
Abstract
Arterial stiffness (AS) is a complex vascular phenomenon with consequences for central hemodynamics and left-ventricular performance. Circulating biomarkers have been associated with AS; however, their value in heart failure is poorly characterized. Our aim was to evaluate the clinical and biomarker correlates of AS in the setting of heart failure with reduced ejection fraction (HFrEF). In 78 hospitalized, hemodynamically stable patients (20 women, 58 men, mean age 65.8 ± 1.41 years) with HFrEF, AS was measured using aortic pulse wave velocity (PWV). Serum OPG, RANKL, sclerostin, and DKK-1 were determined, and the relationships between the clinical variables, vascular-calcification-related biomarkers, and PWV were evaluated by correlation analysis and linear and logistic regression models. OPG and the OPG/RANKL ratio were significantly higher in the group of patients (n = 37, 47.4%) with increased PWV (>10 m/s). PWV was positively correlated with age, left-ventricular ejection fraction, and carotid intima-media thickness (cIMT), and negatively correlated with the glomerular filtration rate. OPG and cIMT were significantly associated with PWV in the logistic regression models when adjusted for hypertension, EF, and the presence of atherosclerotic manifestations. Elevated serum OPG, together with cIMT, were significantly related to increased AS in the setting of HFrEF.
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Affiliation(s)
- Lajos Fehérvári
- Department of Cardiology, Clinical County Hospital Mures, 540103 Targu Mures, Romania; (L.F.); (A.F.); (L.K.); (I.A.S.); (T.M.S.)
- Department of Internal Medicine IV, George Emil Palade University of Medicine, Pharmacy, Sciences and Technology of Targu Mures, 540103 Targu Mures, Romania
| | - Attila Frigy
- Department of Cardiology, Clinical County Hospital Mures, 540103 Targu Mures, Romania; (L.F.); (A.F.); (L.K.); (I.A.S.); (T.M.S.)
- Department of Internal Medicine IV, George Emil Palade University of Medicine, Pharmacy, Sciences and Technology of Targu Mures, 540103 Targu Mures, Romania
| | - Lóránd Kocsis
- Department of Cardiology, Clinical County Hospital Mures, 540103 Targu Mures, Romania; (L.F.); (A.F.); (L.K.); (I.A.S.); (T.M.S.)
| | - István Adorján Szabó
- Department of Cardiology, Clinical County Hospital Mures, 540103 Targu Mures, Romania; (L.F.); (A.F.); (L.K.); (I.A.S.); (T.M.S.)
- Department of Internal Medicine IV, George Emil Palade University of Medicine, Pharmacy, Sciences and Technology of Targu Mures, 540103 Targu Mures, Romania
| | - Timea Magdolna Szabo
- Department of Cardiology, Clinical County Hospital Mures, 540103 Targu Mures, Romania; (L.F.); (A.F.); (L.K.); (I.A.S.); (T.M.S.)
- Department of Biochemistry and Environmental Chemistry, George Emil Palade University of Medicine, Pharmacy, Sciences and Technology of Targu Mures, 540142 Targu Mures, Romania;
| | - Melinda Urkon
- Department of Biochemistry and Environmental Chemistry, George Emil Palade University of Medicine, Pharmacy, Sciences and Technology of Targu Mures, 540142 Targu Mures, Romania;
| | - Zita Jakó
- Laboratory of Medical Analysis, Emergency Clinical County Hospital Targu Mures, 540136 Targu Mures, Romania;
| | - Előd Ernő Nagy
- Department of Biochemistry and Environmental Chemistry, George Emil Palade University of Medicine, Pharmacy, Sciences and Technology of Targu Mures, 540142 Targu Mures, Romania;
- Laboratory of Medical Analysis, Clinical County Hospital Mures, 540394 Targu Mures, Romania
- Correspondence: ; Tel.: +40-733-956-395
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18
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Salam S, Gallagher O, Gossiel F, Paggiosi M, Eastell R, Khwaja A. Vascular calcification relationship to vascular biomarkers and bone metabolism in advanced chronic kidney disease. Bone 2021; 143:115699. [PMID: 33091638 DOI: 10.1016/j.bone.2020.115699] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Revised: 10/09/2020] [Accepted: 10/15/2020] [Indexed: 12/15/2022]
Abstract
BACKGROUND Vascular calcification (VC) and renal osteodystrophy are important complications of advanced chronic kidney disease (CKD). High resolution peripheral quantitative computed tomography (HRpQCT) is able to assess bone microstructure in renal osteodystrophy and lower leg arterial calcification (LLAC) is usually seen as an incidental finding. LLAC can be a useful quantitative assessment of VC in CKD but the relationship between LLAC and vascular biomarkers and bone is unknown. We aimed to assess the relationship between LLAC and biomarkers, bone turnover and microstructure. METHODS In this cross-sectional study, fasting blood samples were taken from 69 CKD stages 4-5D patients and 68 healthy controls. HRpQCT of distal tibia and radius were performed. 43 CKD patients had trans-iliac bone biopsy after tetracycline labelling. RESULTS LLAC was more severe in CKD than controls (median [IQR] 1.043 [0.05-16.52] vs 0 [0-0.55] mgHA, p < 0.001). CKD patients with diabetes (28%) had significantly higher LLAC compared to non-diabetic CKD (median [IQR] 24.07 [3.42-61.30] vs 0.23 [0-3.78] mgHA, p < 0.001). LLAC mass in CKD correlated with serum phosphate (rho = 0.29, p < 0.05), calcium x phosphate product (rho = 0.31, p < 0.05), intact parathyroid hormone (rho = 0.38, p < 0.01), intact fibroblast growth factor-23 (iFGF23) (rho = 0.40, p = 0.001), total alkaline phosphatase (rho = 0.41, p < 0.001), bone alkaline phosphatase (rho = 0.29, p < 0.05), osteocalcin (rho = 0.32, p < 0.05), osteoprotegerin (rho = 0.40, p = 0.001) and dephosphorylated-uncarboxylated matrix Gla protein (rho = 0.31, p < 0.05). LLAC in CKD also correlated with worse distal tibia cortical bone mineral density, thickness and porosity. No association was found between LLAC and bone turnover, mineralization or volume on biopsy in CKD. In multivariate analysis, only age, diabetes, iPTH and iFGF23 were independently associated with LLAC in CKD. CONCLUSIONS High levels of PTH and FGF23, along with older age and the presence of diabetes may all play independent roles in the development of LLAC in advanced CKD.
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Affiliation(s)
- Syazrah Salam
- Sheffield Kidney Institute, Sheffield Teaching Hospitals NHS Foundation Trust, United Kingdom; Academic Unit of Bone Metabolism and Mellanby Centre for Bone Research, University of Sheffield, United Kingdom.
| | - Orla Gallagher
- Academic Unit of Bone Metabolism and Mellanby Centre for Bone Research, University of Sheffield, United Kingdom
| | - Fatma Gossiel
- Academic Unit of Bone Metabolism and Mellanby Centre for Bone Research, University of Sheffield, United Kingdom
| | - Margaret Paggiosi
- Academic Unit of Bone Metabolism and Mellanby Centre for Bone Research, University of Sheffield, United Kingdom
| | - Richard Eastell
- Academic Unit of Bone Metabolism and Mellanby Centre for Bone Research, University of Sheffield, United Kingdom
| | - Arif Khwaja
- Sheffield Kidney Institute, Sheffield Teaching Hospitals NHS Foundation Trust, United Kingdom
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Role of Uremic Toxins in Early Vascular Ageing and Calcification. Toxins (Basel) 2021; 13:toxins13010026. [PMID: 33401534 PMCID: PMC7824162 DOI: 10.3390/toxins13010026] [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: 12/08/2020] [Revised: 12/25/2020] [Accepted: 12/28/2020] [Indexed: 12/14/2022] Open
Abstract
In patients with advanced chronic kidney disease (CKD), the accumulation of uremic toxins, caused by a combination of decreased excretion secondary to reduced kidney function and increased generation secondary to aberrant expression of metabolite genes, interferes with different biological functions of cells and organs, contributing to a state of chronic inflammation and other adverse biologic effects that may cause tissue damage. Several uremic toxins have been implicated in severe vascular smooth muscle cells (VSMCs) changes and other alterations leading to vascular calcification (VC) and early vascular ageing (EVA). The above mentioned are predominant clinical features of patients with CKD, contributing to their exceptionally high cardiovascular mortality. Herein, we present an update on pathophysiological processes and mediators underlying VC and EVA induced by uremic toxins. Moreover, we discuss their clinical impact, and possible therapeutic targets aiming at preventing or ameliorating the harmful effects of uremic toxins on the vasculature.
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Denosumab Recovers Aortic Arch Calcification During Long-Term Hemodialysis. Kidney Int Rep 2020; 6:605-612. [PMID: 33732975 PMCID: PMC7938059 DOI: 10.1016/j.ekir.2020.12.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 11/21/2020] [Accepted: 12/08/2020] [Indexed: 12/15/2022] Open
Abstract
Introduction Aortic arch calcification (AoAC) is related closely to mortality risk in patients undergoing maintenance dialysis. Recent experimentally obtained data suggest that osteoprotegerin/receptor activator for nuclear factor κB ligand signal transmission plays a role in de novo chondrogenic transition of vascular cells leading to calcification that is unrelated to bone metabolism. This study investigated the long-term effects of denosumab, an osteoprotegerin mimic peptide, on AoAC. Methods This study examined 58 patients with an 8 year vintage of dialysis at 1 center for observational study during 2009 to 2020. Denosumab was administered to 28 patients every 6 months. Blood chemical data were used. AoAC proportions were measured using a simple but computed tomography–equivalent computer-based chest X-ray analysis (calcified pieces of areas around the aorta). Results Blood chemical data of the control and denosumab groups that did not differ at the start showed differences of mineral metabolism after 30 months of observation. Remarkably, the AoAC proportion increased from 29.4% to 46.25% in the control group but decreased significantly from 25.0% to 20.0% (P < 0.01) in the denosumab group. Denosumab effects on decalcification were not observed 12 months after initiation. Conclusion We conclude that long-term use of denosumab is effective to reverse or treat AoAC in patients undergoing hemodialysis.
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Rapp N, Evenepoel P, Stenvinkel P, Schurgers L. Uremic Toxins and Vascular Calcification-Missing the Forest for All the Trees. Toxins (Basel) 2020; 12:E624. [PMID: 33003628 PMCID: PMC7599869 DOI: 10.3390/toxins12100624] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 09/22/2020] [Accepted: 09/25/2020] [Indexed: 12/23/2022] Open
Abstract
The cardiorenal syndrome relates to the detrimental interplay between the vascular system and the kidney. The uremic milieu induced by reduced kidney function alters the phenotype of vascular smooth muscle cells (VSMC) and promotes vascular calcification, a condition which is strongly linked to cardiovascular morbidity and mortality. Biological mechanisms involved include generation of reactive oxygen species, inflammation and accelerated senescence. A better understanding of the vasotoxic effects of uremic retention molecules may reveal novel avenues to reduce vascular calcification in CKD. The present review aims to present a state of the art on the role of uremic toxins in pathogenesis of vascular calcification. Evidence, so far, is fragmentary and limited with only a few uremic toxins being investigated, often by a single group of investigators. Experimental heterogeneity furthermore hampers comparison. There is a clear need for a concerted action harmonizing and standardizing experimental protocols and combining efforts of basic and clinical researchers to solve the complex puzzle of uremic vascular calcification.
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MESH Headings
- Animals
- Cardio-Renal Syndrome/metabolism
- Cardio-Renal Syndrome/pathology
- Cardio-Renal Syndrome/physiopathology
- Cardio-Renal Syndrome/therapy
- Humans
- Kidney/metabolism
- Kidney/pathology
- Kidney/physiopathology
- Muscle, Smooth, Vascular/metabolism
- Muscle, Smooth, Vascular/pathology
- Muscle, Smooth, Vascular/physiopathology
- Prognosis
- Renal Insufficiency, Chronic/metabolism
- Renal Insufficiency, Chronic/pathology
- Renal Insufficiency, Chronic/physiopathology
- Renal Insufficiency, Chronic/therapy
- Toxins, Biological/metabolism
- Uremia/metabolism
- Uremia/pathology
- Uremia/physiopathology
- Uremia/therapy
- Vascular Calcification/metabolism
- Vascular Calcification/pathology
- Vascular Calcification/physiopathology
- Vascular Calcification/therapy
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Affiliation(s)
- Nikolas Rapp
- Department of Biochemistry, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 6229 ER Maastricht, The Netherlands;
| | - Pieter Evenepoel
- Laboratory of Nephrology, KU Leuven Department of Microbiology and Immunology, University Hospitals Leuven, 3000 Leuven, Belgium;
| | - Peter Stenvinkel
- Karolinska Institute, Department of Clinical Science, Intervention and Technology, Division of Renal Medicine, 141 86 Stockholm, Sweden;
| | - Leon Schurgers
- Department of Biochemistry, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 6229 ER Maastricht, The Netherlands;
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Huang H, Li Z, Ruan Y, Feng W, Chen J, Li X, Ouyang L, Huang H. Circadian rhythm disorder: a potential inducer of vascular calcification? J Physiol Biochem 2020; 76:513-524. [PMID: 32945991 DOI: 10.1007/s13105-020-00767-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 09/14/2020] [Indexed: 12/24/2022]
Abstract
Over the past decades, circadian rhythm has drawn a great attention in cardiovascular diseases. The expressions of rhythm genes fluctuate in accordance with the diurnal changes of vascular physiology, which highlights the pivotal effect of vascular clock. Recent researches show that the circadian clock can directly regulate the synthetic and secretory function of endothelial cells and phenotypic switch of vascular smooth muscle cells to adjust vascular relaxation and contraction. Importantly, dysfunction of vascular cells is involved in vascular calcification. Secretion of osteogenic cytokines and calcified vesicles in the vessel, osteogenic phenotype switch of vascular smooth muscle cells are all implicated in the calcification process. Moreover, circadian rhythm disorder can lead to abnormal hormone secretion, oxidative stress, inflammatory reaction, and autophagy, all of which should not be ignored in vascular calcification. Vascular senescence is another pathogenetic mechanism in vascular calcification. Accelerated vascular senescence may act as an important intermediate factor to promote vascular calcification in circadian rhythm disorders. In this review, we elaborate the potential effect of circadian rhythm disorder in vascular calcification and try to provide a new direction in the prevention of vascular calcification.
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Affiliation(s)
- Haoran Huang
- Department of Cardiology, The Eighth Affiliated Hospital, Sun Yat-sen University, No. 3025, Shennan Middle Road, Futian District, Shenzhen, 518000, China
- Department of Pediatric Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Zhaohuai Li
- Department of Cardiology, The Eighth Affiliated Hospital, Sun Yat-sen University, No. 3025, Shennan Middle Road, Futian District, Shenzhen, 518000, China
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China
| | - Yuyi Ruan
- Department of Cardiology, The Eighth Affiliated Hospital, Sun Yat-sen University, No. 3025, Shennan Middle Road, Futian District, Shenzhen, 518000, China
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Weijing Feng
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Department of Cardiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- Department of Cardiology, Laboratory of Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Jie Chen
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Department of Cardiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Xiaoxue Li
- Department of Cardiology, The Eighth Affiliated Hospital, Sun Yat-sen University, No. 3025, Shennan Middle Road, Futian District, Shenzhen, 518000, China
| | - Liu Ouyang
- Department of Cardiology, The Eighth Affiliated Hospital, Sun Yat-sen University, No. 3025, Shennan Middle Road, Futian District, Shenzhen, 518000, China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Department of Cardiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Hui Huang
- Department of Cardiology, The Eighth Affiliated Hospital, Sun Yat-sen University, No. 3025, Shennan Middle Road, Futian District, Shenzhen, 518000, China.
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MacAskill MG, Newby DE, Tavares AAS. Frontiers in positron emission tomography imaging of the vulnerable atherosclerotic plaque. Cardiovasc Res 2020; 115:1952-1962. [PMID: 31233100 DOI: 10.1093/cvr/cvz162] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 04/16/2019] [Accepted: 06/19/2019] [Indexed: 02/07/2023] Open
Abstract
Rupture of vulnerable atherosclerotic plaques leading to an atherothrombotic event is the primary driver of myocardial infarction and stroke. The ability to detect non-invasively the presence and evolution of vulnerable plaques could have a huge impact on the future identification and management of atherosclerotic cardiovascular disease. Positron emission tomography (PET) imaging with an appropriate radiotracer has the potential to achieve this goal. This review will discuss the biological hallmarks of plaque vulnerability before going on to evaluate and to present PET imaging approaches which target these processes. The focus of this review will be on techniques beyond [18F]FDG imaging, some of which are clinically advanced, and others which are on the horizon. As inflammation is the primary driving force behind atherosclerotic plaque development, we will predominantly focus on approaches which either directly, or indirectly, target this process.
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Affiliation(s)
- Mark G MacAskill
- University/BHF Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, UK.,Edinburgh Imaging, University of Edinburgh, Edinburgh, UK
| | - David E Newby
- University/BHF Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, UK
| | - Adriana A S Tavares
- University/BHF Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, UK.,Edinburgh Imaging, University of Edinburgh, Edinburgh, UK
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24
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Takase N, Inden M, Hirai S, Yamada Y, Kurita H, Takeda M, Yamaguchi E, Itoh A, Hozumi I. The Novel gem-Dihydroperoxide 12AC3O Suppresses High Phosphate-Induced Calcification via Antioxidant Effects in p53LMAco1 Smooth Muscle Cells. Int J Mol Sci 2020; 21:E4628. [PMID: 32610684 PMCID: PMC7369805 DOI: 10.3390/ijms21134628] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 06/25/2020] [Accepted: 06/28/2020] [Indexed: 11/28/2022] Open
Abstract
The excessive intake of phosphate (Pi), or chronic kidney disease (CKD), can cause hyperphosphatemia and eventually lead to ectopic calcification, resulting in cerebrovascular diseases. It has been reported that reactive oxygen species (ROS), induced by high concentrations of Pi loading, play a key role in vascular calcification. Therefore, ROS suppression may be a useful treatment strategy for vascular calcification. 12AC3O is a newly synthesized gem-dihydroperoxide (DHP) that has potent antioxidant effects. In the present study, we investigated whether 12AC3O inhibited vascular calcification via its antioxidative capacity. To examine whether 12AC3O prevents vascular calcification under high Pi conditions, we performed Alizarin red and von Kossa staining, using the mouse aortic smooth muscle cell line p53LMAco1. Additionally, the effect of 12AC3O against oxidative stress, induced by high concentrations of Pi loading, was investigated using redox- sensitive dyes. Further, the direct trapping effect of 12AC3O on reactive oxygen species (ROS) was investigated by ESR analysis. Although high concentrations of Pi loading exacerbated vascular smooth muscle calcification, calcium deposition was suppressed by the treatment of both antioxidants and 12AC3O, suggesting that the suppression of ROS may be a candidate therapeutic approach for treating vascular calcification induced by high concentrations of Pi loading. Importantly, 12AC3O also attenuated oxidative stress. Furthermore, 12AC3O directly trapped superoxide anion and hydroxyl radical. These results suggest that ROS are closely involved in high concentrations of Pi-induced vascular calcification and that 12AC3O inhibits vascular calcification by directly trapping ROS.
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MESH Headings
- Animals
- Antioxidants/pharmacology
- Calcification, Physiologic/drug effects
- Cell Line
- Cells, Cultured
- Mice
- Muscle, Smooth, Vascular/cytology
- Muscle, Smooth, Vascular/drug effects
- Muscle, Smooth, Vascular/metabolism
- Myocytes, Smooth Muscle/drug effects
- Myocytes, Smooth Muscle/metabolism
- Oxidation-Reduction/drug effects
- Oxidative Stress/drug effects
- Peroxides/pharmacology
- Reactive Oxygen Species/metabolism
- Vascular Calcification/drug therapy
- Vascular Calcification/metabolism
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Affiliation(s)
- Naoko Takase
- Laboratory of Medical Therapeutics and Molecular Therapeutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, 1-1-1 Gifu 501-1196, Japan; (N.T.); (M.I.); (S.H.); (Y.Y.); (H.K.)
| | - Masatoshi Inden
- Laboratory of Medical Therapeutics and Molecular Therapeutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, 1-1-1 Gifu 501-1196, Japan; (N.T.); (M.I.); (S.H.); (Y.Y.); (H.K.)
| | - Shunsuke Hirai
- Laboratory of Medical Therapeutics and Molecular Therapeutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, 1-1-1 Gifu 501-1196, Japan; (N.T.); (M.I.); (S.H.); (Y.Y.); (H.K.)
| | - Yumeka Yamada
- Laboratory of Medical Therapeutics and Molecular Therapeutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, 1-1-1 Gifu 501-1196, Japan; (N.T.); (M.I.); (S.H.); (Y.Y.); (H.K.)
| | - Hisaka Kurita
- Laboratory of Medical Therapeutics and Molecular Therapeutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, 1-1-1 Gifu 501-1196, Japan; (N.T.); (M.I.); (S.H.); (Y.Y.); (H.K.)
| | - Mitsumi Takeda
- Laboratory of Pharmaceuticals Synthetic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, 1-1-1 Gifu 501-1196, Japan; (M.T.); (E.Y.); (A.I.)
| | - Eiji Yamaguchi
- Laboratory of Pharmaceuticals Synthetic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, 1-1-1 Gifu 501-1196, Japan; (M.T.); (E.Y.); (A.I.)
| | - Akichika Itoh
- Laboratory of Pharmaceuticals Synthetic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, 1-1-1 Gifu 501-1196, Japan; (M.T.); (E.Y.); (A.I.)
| | - Isao Hozumi
- Laboratory of Medical Therapeutics and Molecular Therapeutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, 1-1-1 Gifu 501-1196, Japan; (N.T.); (M.I.); (S.H.); (Y.Y.); (H.K.)
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25
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Li C, Zhang S, Chen X, Ji J, Yang W, Gui T, Gai Z, Li Y. Farnesoid X receptor activation inhibits TGFBR1/TAK1-mediated vascular inflammation and calcification via miR-135a-5p. Commun Biol 2020; 3:327. [PMID: 32581266 PMCID: PMC7314757 DOI: 10.1038/s42003-020-1058-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 06/08/2020] [Indexed: 01/06/2023] Open
Abstract
Chronic inflammation plays a crucial role in vascular calcification. However, only a few studies have revealed the mechanisms underlying the development of inflammation under high-phosphate conditions in chronic kidney disease (CKD) patients. Here, we show that inflammation resulting from the activation of the TGFBR1/TAK1 pathway is involved in calcification in CKD rats or osteogenic medium-cultured human aortic smooth muscle cells (HASMCs). Moreover, miR-135a-5p is demonstrated to be a key regulator of the TGFBR1/TAK1 pathway, which has been reported to be decreased in CKD rats. We further reveal that farnesoid X receptor (FXR) activation increases miR-135a-5p expression, thereby inhibiting the activation of the TGFBR1/TAK1 pathway, ultimately resulting in the attenuation of vascular inflammation and calcification in CKD rats. Our findings provide advanced insights into the mechanisms underlying the development of inflammation in vascular calcification, and evidence that FXR activation could serve as a therapeutic strategy for retarding vascular calcification in CKD patients.
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MESH Headings
- Animals
- Aorta/cytology
- Calcinosis/genetics
- Calcinosis/metabolism
- Cells, Cultured
- Female
- Humans
- MAP Kinase Kinase Kinases/genetics
- MAP Kinase Kinase Kinases/metabolism
- Male
- MicroRNAs/genetics
- Muscle, Smooth, Vascular/cytology
- Osteogenesis
- Rats, Wistar
- Receptor, Transforming Growth Factor-beta Type I/genetics
- Receptor, Transforming Growth Factor-beta Type I/metabolism
- Receptors, Cytoplasmic and Nuclear/genetics
- Receptors, Cytoplasmic and Nuclear/metabolism
- Renal Insufficiency, Chronic/etiology
- Renal Insufficiency, Chronic/pathology
- Vasculitis/genetics
- Vasculitis/metabolism
- Vasculitis/pathology
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Affiliation(s)
- Chao Li
- Experimental Center, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
- Department of Clinical Pharmacology and Toxicology, University Hospital Zurich, Zurich, 8032, Switzerland
| | - Shijun Zhang
- Experimental Center, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Xiaoqing Chen
- Experimental Center, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Jingkang Ji
- Experimental Center, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Wenqing Yang
- Experimental Center, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Ting Gui
- Experimental Center, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Zhibo Gai
- Experimental Center, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China.
- Department of Clinical Pharmacology and Toxicology, University Hospital Zurich, Zurich, 8032, Switzerland.
| | - Yunlun Li
- Experimental Center, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China.
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250000, China.
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26
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Ghosh S, Luo D, He W, Chen J, Su X, Huang H. Diabetes and calcification: The potential role of anti-diabetic drugs on vascular calcification regression. Pharmacol Res 2020; 158:104861. [PMID: 32407954 DOI: 10.1016/j.phrs.2020.104861] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 04/22/2020] [Accepted: 04/22/2020] [Indexed: 12/15/2022]
Abstract
Vascular calcification (VC) has been well-established as an independent and strong predictor of cardiovascular diseases (CVD) as well as major cardiac adverse events (MACE). VC is associated with increased mortality in patients with CVD. Pathologically, VC is now believed to be a multi-directional active process ultimately resulting in ectopic calcium deposition in vascular beds. On the other hand, prevalence of diabetes mellitus (DM) is gradually increasing thus making the current population more prone to future CVD. Although the mechanisms involved in development and progression of VC in DM patients are not fully understood, a series of evidences demonstrated positive association between DM and VC. It has been highlighted that different cellular pathways are involved in this process. These intermediates such as tumor necrosis factor alpha (TNF-α), various interleukins (ILs) and different cell-signaling pathways are over-expressed in DM patients leading to development of VC. Thus, considering the burden and significance of VC it is of great importance to find a therapeutic approach to prevent or minimize the development of VC in DM patients. Over the past few years various anti diabetic drugs (ADDs) have been introduced and many of them showed desired glucose control. But no study demonstrated the effects of these medications on regression of VC. In this review, we will briefly discuss the current understanding on DM and VC and how commonly used ADDs modulate the development or progression of VC.
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Affiliation(s)
- Sounak Ghosh
- Cardiovascular Department, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, China; Department of Cardiology, Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China
| | - Dongling Luo
- Cardiovascular Department, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Wanbing He
- Cardiovascular Department, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, China; Department of Cardiology, Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China
| | - Jie Chen
- Department of Radiation Oncology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Xiaoyan Su
- Tungwah Hospital of Sun Yat-sen University, Dongguan, China
| | - Hui Huang
- Cardiovascular Department, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, China; Department of Cardiology, Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China.
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27
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Pang H, Xiao L, Lu Z, Chen H, Shang Z, Jiang N, Wang X, Wei F, Jiang A, Chen Y, Niu Y. Targeting androgen receptor in macrophages inhibits phosphate-induced vascular smooth muscle cell calcification by decreasing IL-6 expression. Vascul Pharmacol 2020; 130:106681. [PMID: 32387336 DOI: 10.1016/j.vph.2020.106681] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 04/24/2020] [Accepted: 05/03/2020] [Indexed: 02/06/2023]
Abstract
Vascular calcification (VC) is a common complication of chronic kidney disease (CKD). However, its mechanisms remain unclear. VC, similar to atherosclerosis, is an inflammatory disease. Vascular smooth muscle cells (VSMCs) play a key role in VC progression. The androgen receptor (AR) in monocytes/macrophages plays an important role in inflammatory diseases. Here, we define the role of macrophage (MФ) AR in inorganic phosphate-induced VSMC calcification. Our results show that the conditioning medium (CM) of silencing AR in macrophages inhibits inorganic phosphate-induced human aortic smooth muscle cell (HASMC) calcification, and alleviates the transdifferentiation of HASMCs into osteoblasts for the protein expression of osteoblasts marker Runt-related transcription factor-2 (Runx2) in HASMCs decreased while that of smooth muscle cell marker SM22α increased. The effect of AR on HASMC calcification might mainly be mediated by the inflammatory cytokine IL-6. Silencing AR in monocytes/macrophages can dramatically decrease IL-6 expression. We also investigated how macrophage AR regulates IL-6. ChIP and luciferase assays indicate that AR directly binds to the ARE sequence in the promoter of the IL-6 gene to accelerate transcription and expression. To our knowledge, this is the first investigation that has established the correlation between AR and VC and identified the contribution of AR in the calcification of VSMCs. In addition, this study describes a novel target for therapeutic intervention in VC.
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Affiliation(s)
- Haiyan Pang
- The Kidney Diseases and Blood Purification Center, Tianjin Institute of Urology, Tianjin Medical University Second Hospital, Tianjin 300211, China
| | - Longfei Xiao
- Department of Urology, Tianjin Institute of Urology, Tianjin Medical University Second Hospital, Tianjin 300211, China
| | - Zhi Lu
- The Kidney Diseases and Blood Purification Center, Tianjin Institute of Urology, Tianjin Medical University Second Hospital, Tianjin 300211, China
| | - Haiyan Chen
- The Kidney Diseases and Blood Purification Center, Tianjin Institute of Urology, Tianjin Medical University Second Hospital, Tianjin 300211, China
| | - Zhiqun Shang
- Department of Urology, Tianjin Institute of Urology, Tianjin Medical University Second Hospital, Tianjin 300211, China
| | - Ning Jiang
- Department of Urology, Tianjin Institute of Urology, Tianjin Medical University Second Hospital, Tianjin 300211, China
| | - Xiaojuan Wang
- Department of Urology, Tianjin Institute of Urology, Tianjin Medical University Second Hospital, Tianjin 300211, China
| | - Fang Wei
- The Kidney Diseases and Blood Purification Center, Tianjin Institute of Urology, Tianjin Medical University Second Hospital, Tianjin 300211, China
| | - Aili Jiang
- The Kidney Diseases and Blood Purification Center, Tianjin Institute of Urology, Tianjin Medical University Second Hospital, Tianjin 300211, China
| | - Yegang Chen
- Department of Urology, Tianjin Institute of Urology, Tianjin Medical University Second Hospital, Tianjin 300211, China.
| | - Yuanjie Niu
- Department of Urology, Tianjin Institute of Urology, Tianjin Medical University Second Hospital, Tianjin 300211, China.
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28
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Sun Z, Li L, Zhang L, Yan J, Shao C, Bao Z, Liu J, Li Y, Zhou M, Hou L, Jing L, Pang Q, Geng Y, Mao X, Gu W, Wang Z. Macrophage galectin-3 enhances intimal translocation of vascular calcification in diabetes mellitus. Am J Physiol Heart Circ Physiol 2020; 318:H1068-H1079. [PMID: 32216615 DOI: 10.1152/ajpheart.00690.2019] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The clinical risks and prognosis of diabetic vascular intimal calcification (VIC) and medial calcification (VMC) are different. This study aims to investigate the mechanism of VIC/VMC translocation. Anterior tibial arteries were collected from patients with diabetic foot amputation. The patients were then divided into VIC and VMC groups. There were plaques in all anterior tibial arteries, while the enrichment of galectin-3 in arterial plaques in the VIC group was significantly higher than that in the VMC group. Furthermore, a macrophage/vascular smooth muscle cell (VSMC) coculture system was constructed. VSMC-derived extracellular vesicles (EVs) was labeled with fluorescent probe. After macrophages were pretreated with recombinant galectin-3 protein, the migration of VSMC-derived EVs and VSMC-derived calcification was more pronounced. And anti-galectin-3 antibody can inhibit this process of EVs and calcification translocation. Then, lentivirus (LV)-treated bone marrow cells (BMCs) were transplanted into apolipoprotein E-deficient (ApoE-/-) mice, and a diabetic atherosclerosis mouse model was constructed. After 15 wk of high-fat diet, ApoE-/- mice transplanted with LV-shgalectin-3 BMCs exhibited medial calcification and a concentrated distribution of EVs in the media. In conclusion, upregulation of galectin-3 in macrophages promotes the migration of VSMC-derived EVs to the intima and induces diabetic vascular intimal calcification.NEW & NOTEWORTHY The clinical risk and prognosis of vascular intimal and medial calcification are different. Macrophage galectin-3 regulates the migration of vascular smooth muscle cell-derived extracellular vesicles and mediates diabetic vascular intimal/medial calcification translocation. This study may provide insights into the early intervention in diabetic vascular calcification.
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Affiliation(s)
- Zhen Sun
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Lihua Li
- Department of Pathology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Lili Zhang
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Jinchuan Yan
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Chen Shao
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Zhengyang Bao
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Jia Liu
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Yalan Li
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Mengxue Zhou
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Lina Hou
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Lele Jing
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Qiwen Pang
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Yue Geng
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Xiang Mao
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Wen Gu
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Zhongqun Wang
- Department of Cardiology, Affiliated Hospital of Jiangsu University, Zhenjiang, 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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30
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New Insights into the Roles of Monocytes/Macrophages in Cardiovascular Calcification Associated with Chronic Kidney Disease. Toxins (Basel) 2019; 11:toxins11090529. [PMID: 31547340 PMCID: PMC6784181 DOI: 10.3390/toxins11090529] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 09/06/2019] [Accepted: 09/09/2019] [Indexed: 12/13/2022] Open
Abstract
Cardiovascular disease (CVD) is an important cause of death in patients with chronic kidney disease (CKD), and cardiovascular calcification (CVC) is one of the strongest predictors of CVD in this population. Cardiovascular calcification results from complex cellular interactions involving the endothelium, vascular/valvular cells (i.e., vascular smooth muscle cells, valvular interstitial cells and resident fibroblasts), and monocyte-derived macrophages. Indeed, the production of pro-inflammatory cytokines and oxidative stress by monocyte-derived macrophages is responsible for the osteogenic transformation and mineralization of vascular/valvular cells. However, monocytes/macrophages show the ability to modify their phenotype, and consequently their functions, when facing environmental modifications. This plasticity complicates efforts to understand the pathogenesis of CVC-particularly in a CKD setting, where both uraemic toxins and CKD treatment may affect monocyte/macrophage functions and thereby influence CVC. Here, we review (i) the mechanisms by which each monocyte/macrophage subset either promotes or prevents CVC, and (ii) how both uraemic toxins and CKD therapies might affect these monocyte/macrophage functions.
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31
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Zickler D, Luecht C, Willy K, Chen L, Witowski J, Girndt M, Fiedler R, Storr M, Kamhieh-Milz J, Schoon J, Geissler S, Ringdén O, Schindler R, Moll G, Dragun D, Catar R. Tumour necrosis factor-alpha in uraemic serum promotes osteoblastic transition and calcification of vascular smooth muscle cells via extracellular signal-regulated kinases and activator protein 1/c-FOS-mediated induction of interleukin 6 expression. Nephrol Dial Transplant 2019; 33:574-585. [PMID: 29228352 DOI: 10.1093/ndt/gfx316] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Accepted: 09/24/2017] [Indexed: 12/15/2022] Open
Abstract
Background Vascular calcification is enhanced in uraemic chronic haemodialysis patients, likely due to the accumulation of midsize uraemic toxins, such as interleukin 6 (IL-6) and tumor necrosis factor-alpha (TNF-α). Here we have assessed the impact of uraemia on vascular smooth muscle cell (VSMC) calcification and examined the role of IL-6 and TNF-α as possible mediators and, most importantly, its underlying signalling pathway in VSMCs. Methods VSMCs were incubated with samples of uraemic serum obtained from patients treated with haemodialysis for renal failure in the Permeability Enhancement to Reduce Chronic Inflammation-I clinical trial. The VSMCs were assessed for IL-6 gene regulation and promoter activation in response to uraemic serum and TNF-α with reporter assays and electrophoretic mobility shift assay and for osteoblastic transition, cellular calcification and cell viability upon osteogenic differentiation. Results Uraemic serum contained higher levels of TNF-α and IL-6 compared with serum from healthy individuals. Exposure of VSMCs to uraemic serum or recombinant TNF-α lead to a strong upregulation of IL-6 mRNA expression and protein secretion, which was mediated by activator protein 1 (AP-1)/c-FOS-pathway signalling. Uraemic serum induced osteoblastic transition and calcification of VSMCs could be strongly attenuated by blocking TNF-α, IL-6 or AP-1/c-FOS signalling, which was accompanied by improved cell viability. Conclusion These results demonstrate that uraemic serum contains higher levels of uraemic toxins TNF-α and IL-6 and that uraemia promotes vascular calcification through a signalling pathway involving TNF-α, IL-6 and the AP-1/c-FOS cytokine-signalling axis. Thus treatment modalities aiming to reduce systemic TNF-α and IL-6 levels in chronic haemodialysis patients should be evaluated in future clinical trials.
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Affiliation(s)
- Daniel Zickler
- Clinic for Nephrology and Critical Care Medicine, Charite-Universitatsmedizin Berlin, corporate member of Freie Universitat Berlin, Humboldt-Universitat zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany
| | - Christian Luecht
- Clinic for Nephrology and Critical Care Medicine, Charite-Universitatsmedizin Berlin, corporate member of Freie Universitat Berlin, Humboldt-Universitat zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany
- Berlin Institute of Health (BIH), Berlin, Germany
| | - Kevin Willy
- Clinic for Nephrology and Critical Care Medicine, Charite-Universitatsmedizin Berlin, corporate member of Freie Universitat Berlin, Humboldt-Universitat zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany
| | - Lei Chen
- Clinic for Nephrology and Critical Care Medicine, Charite-Universitatsmedizin Berlin, corporate member of Freie Universitat Berlin, Humboldt-Universitat zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany
| | - Janusz Witowski
- Department of Pathophysiology, Poznan University of Medical Sciences, Poznan, Poland
| | - Matthias Girndt
- Department of Internal Medicine II, Martin-Luther-University Halle, Germany
| | - Roman Fiedler
- Department of Internal Medicine II, Martin-Luther-University Halle, Germany
| | - Markus Storr
- Department of Research and Development, Gambro Dialysatoren GmbH, Hechingen, Germany
| | | | - Janosch Schoon
- Berlin-Brandenburg Center and School for Regenerative Therapies(BCRT/BSRT)
- Julius Wolff Institute for Biomechanics and Muskuloskeletal Regeneration (JWI), Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Sven Geissler
- Berlin-Brandenburg Center and School for Regenerative Therapies(BCRT/BSRT)
- Julius Wolff Institute for Biomechanics and Muskuloskeletal Regeneration (JWI), Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Olle Ringdén
- Division of Therapeutic Immunology (TIM), Department of Laboratory Medicine (LABMED), Karolinska Institutet, Stockholm, Sweden
| | - Ralf Schindler
- Clinic for Nephrology and Critical Care Medicine, Charite-Universitatsmedizin Berlin, corporate member of Freie Universitat Berlin, Humboldt-Universitat zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany
| | - Guido Moll
- Berlin-Brandenburg Center and School for Regenerative Therapies(BCRT/BSRT)
- Julius Wolff Institute for Biomechanics and Muskuloskeletal Regeneration (JWI), Charité-Universitätsmedizin Berlin, Berlin, Germany
- Division of Therapeutic Immunology (TIM), Department of Laboratory Medicine (LABMED), Karolinska Institutet, Stockholm, Sweden
| | - Duska Dragun
- Clinic for Nephrology and Critical Care Medicine, Charite-Universitatsmedizin Berlin, corporate member of Freie Universitat Berlin, Humboldt-Universitat zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany
- Berlin Institute of Health (BIH), Berlin, Germany
| | - Rusan Catar
- Clinic for Nephrology and Critical Care Medicine, Charite-Universitatsmedizin Berlin, corporate member of Freie Universitat Berlin, Humboldt-Universitat zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany
- Berlin Institute of Health (BIH), Berlin, Germany
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Villa-Bellosta R. Synthesis of Extracellular Pyrophosphate Increases in Vascular Smooth Muscle Cells During Phosphate-Induced Calcification. Arterioscler Thromb Vasc Biol 2019; 38:2137-2147. [PMID: 30002059 DOI: 10.1161/atvbaha.118.311444] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Objective- Hydroxyapatite deposition on the medial layer of the aortic walls is the hallmark of vascular calcification and the most common complication in aging individuals and in patients with diabetes mellitus and those undergoing hemodialysis. Extracellular pyrophosphate is a potent physicochemical inhibitor of hydroxyapatite crystal formation. This study analyzed changes in extracellular pyrophosphate metabolism during the phosphate-induced calcification process. Approach and Results- Phosphate-induced calcification of ex vivo-cultured aortic rings resulted in calcium accumulation after 7 days. This accumulation was enhanced when aortic walls were devitalized. BMP2 (bone morphogenic protein 2) expression was associated with calcium accumulation in cultured aortic rings, as well as in cultured vascular smooth muscle cells (VSMCs) and in calcitriol-induced calcification in rats. Hydroxyapatite dose dependently induced BMP2 overexpression in VSMCs. Moreover, TNAP (tissue nonspecific alkaline phosphatase) mRNA levels and activity were found to be downregulated in early phases and upregulated in later phases of calcification in all 3 models studied. eNPP1 (ectonucleotide pyrophosphatase/phosphodiesterase 1) increased from early to later phases of calcification, whereas eNTPD1 (ectonucleoside triphosphate diphosphohydrolase 1) was downregulated during later phases. Synthesis of pyrophosphate in VSMCs increased significantly over time, in all 3 models studied. Because the rate of pyrophosphate hydrolysis was 10× slower than the rate of pyrophosphate synthesis, pyrophosphate synthesis is determined mainly by the ratio of eNPP1 to eNTPD1 activity. Hydroxyapatite also induces increments both in TNAP and eNPP1/eNTPD1 ratio in VSMCs. Conclusions- Pyrophosphate synthesis increases in VSMCs during phosphate-induced calcification because of compensatory regulation of extracellular pyrophosphate metabolism.
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Affiliation(s)
- Ricardo Villa-Bellosta
- From the Fundación Instituto de Investigación Sanitaria, Fundación Jiménez Díaz, Madrid, Spain
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Voelkl J, Lang F, Eckardt KU, Amann K, Kuro-O M, Pasch A, Pieske B, Alesutan I. Signaling pathways involved in vascular smooth muscle cell calcification during hyperphosphatemia. Cell Mol Life Sci 2019; 76:2077-2091. [PMID: 30887097 PMCID: PMC6502780 DOI: 10.1007/s00018-019-03054-z] [Citation(s) in RCA: 84] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 02/13/2019] [Accepted: 02/21/2019] [Indexed: 02/06/2023]
Abstract
Medial vascular calcification has emerged as a putative key factor contributing to the excessive cardiovascular mortality of patients with chronic kidney disease (CKD). Hyperphosphatemia is considered a decisive determinant of vascular calcification in CKD. A critical role in initiation and progression of vascular calcification during elevated phosphate conditions is attributed to vascular smooth muscle cells (VSMCs), which are able to change their phenotype into osteo-/chondroblasts-like cells. These transdifferentiated VSMCs actively promote calcification in the medial layer of the arteries by producing a local pro-calcifying environment as well as nidus sites for precipitation of calcium and phosphate and growth of calcium phosphate crystals. Elevated extracellular phosphate induces osteo-/chondrogenic transdifferentiation of VSMCs through complex intracellular signaling pathways, which are still incompletely understood. The present review addresses critical intracellular pathways controlling osteo-/chondrogenic transdifferentiation of VSMCs and, thus, vascular calcification during hyperphosphatemia. Elucidating these pathways holds a significant promise to open novel therapeutic opportunities counteracting the progression of vascular calcification in CKD.
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MESH Headings
- Animals
- Calcium Phosphates/chemistry
- Calcium Phosphates/metabolism
- Cell Transdifferentiation
- Chondrocytes/metabolism
- Chondrocytes/pathology
- Gene Expression Regulation
- Humans
- Hyperphosphatemia/complications
- Hyperphosphatemia/genetics
- Hyperphosphatemia/metabolism
- Hyperphosphatemia/pathology
- Muscle, Smooth, Vascular/metabolism
- Muscle, Smooth, Vascular/pathology
- Myocytes, Smooth Muscle/metabolism
- Myocytes, Smooth Muscle/pathology
- NF-kappa B/genetics
- NF-kappa B/metabolism
- Osteoblasts/metabolism
- Osteoblasts/pathology
- RANK Ligand/genetics
- RANK Ligand/metabolism
- Receptor Activator of Nuclear Factor-kappa B/genetics
- Receptor Activator of Nuclear Factor-kappa B/metabolism
- Renal Insufficiency, Chronic/complications
- Renal Insufficiency, Chronic/genetics
- Renal Insufficiency, Chronic/metabolism
- Renal Insufficiency, Chronic/pathology
- Signal Transduction
- Vascular Calcification/complications
- Vascular Calcification/genetics
- Vascular Calcification/metabolism
- Vascular Calcification/pathology
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Affiliation(s)
- Jakob Voelkl
- Institute for Physiology and Pathophysiology, Johannes Kepler University Linz, Altenberger Strasse 69, 4040, Linz, Austria.
- Department of Internal Medicine and Cardiology, Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum, Augustenburgerplatz 1, 13353, Berlin, Germany.
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, 13347, Berlin, Germany.
- Department of Nephrology and Medical Intensive Care, Charité-Universitätsmedizin Berlin, Augustenburgerplatz 1, 13353, Berlin, Germany.
| | - Florian Lang
- Department of Physiology I, Eberhard-Karls University, Wilhelmstr. 56, 72076, Tübingen, Germany
| | - Kai-Uwe Eckardt
- Department of Nephrology and Medical Intensive Care, Charité-Universitätsmedizin Berlin, Augustenburgerplatz 1, 13353, Berlin, Germany
| | - Kerstin Amann
- Department of Nephropathology, Universität Erlangen-Nürnberg, Krankenhausstr. 8-10, 91054, Erlangen, Germany
| | - Makoto Kuro-O
- Center for Molecular Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochigi, 329-0498, Japan
| | - Andreas Pasch
- Calciscon AG, Aarbergstrasse 5, 2560, Nidau-Biel, Switzerland
| | - Burkert Pieske
- Department of Internal Medicine and Cardiology, Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum, Augustenburgerplatz 1, 13353, Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, 13347, Berlin, Germany
- Berlin Institute of Health (BIH), Anna-Louisa-Karsch Str. 2, 10178, Berlin, Germany
- Department of Internal Medicine and Cardiology, German Heart Center Berlin (DHZB), Augustenburger Platz 1, 13353, Berlin, Germany
| | - Ioana Alesutan
- Institute for Physiology and Pathophysiology, Johannes Kepler University Linz, Altenberger Strasse 69, 4040, Linz, Austria
- Department of Internal Medicine and Cardiology, Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum, Augustenburgerplatz 1, 13353, Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, 13347, Berlin, Germany
- Berlin Institute of Health (BIH), Anna-Louisa-Karsch Str. 2, 10178, Berlin, Germany
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Kosmopoulos M, Paschou SA, Grapsa J, Anagnostis P, Vryonidou A, Goulis DG, Siasos G. The Emerging Role of Bone Markers in Diagnosis and Risk Stratification of Patients With Coronary Artery Disease. Angiology 2019; 70:690-700. [PMID: 30696256 DOI: 10.1177/0003319718822625] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Molecules that govern bone metabolism, such as osteoprotegerin (OPG) and osteopontin (OPN), have been isolated from other tissues, including blood vessels. Atherosclerosis and coronary artery disease (CAD) are leading causes of mortality worldwide. Despite novel biochemical and imaging techniques, early detection of CAD is still unsatisfactory. Experimental data indicate that bone turnover markers (BTMs) contribute to the development of atherosclerosis. This finding has sparked interest in their clinical use. This narrative review analyzed information from >50 human studies, which strongly suggest that OPG, OPN, and alkaline phosphatase (ALP) serum concentrations are altered in patients with CAD. Osteoprotegerin seems to be more useful for the detection of early disease, while OPN and ALP are recruited in vessels after the establishment of disease. Osteocalcin may be used as a flow cytometry marker for endothelial progenitor cells and can constitute a marker to monitor response to interventional treatments and risk of restenosis. However, most data derive from observational studies. Incorporation of BTMs in multifactorial computational algorithms could further determine their role in CAD diagnosis and prognosis together with other imaging techniques and biochemical markers.
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Affiliation(s)
- Marinos Kosmopoulos
- 1 Division of Cardiology, Department of Medicine, University of Minnesota School of Medicine, Minneapolis, MN, USA
| | - Stavroula A Paschou
- 2 Division of Endocrinology and Diabetes, "Aghia Sophia" Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Julia Grapsa
- 3 Barts Heart Center, St Bartholomew's Hospital, London, UK
| | - Panagiotis Anagnostis
- 4 Unit of Reproductive Endocrinology, First Department of Obstetrics and Gynecology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Andromachi Vryonidou
- 5 Department of Endocrinology and Diabetes, Hellenic Red Cross Hospital, Athens, Greece
| | - Dimitrios G Goulis
- 4 Unit of Reproductive Endocrinology, First Department of Obstetrics and Gynecology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Gerasimos Siasos
- 6 First Department of Cardiology, Hippokration Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
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Toita R, Otani K, Kawano T, Fujita S, Murata M, Kang JH. Protein kinase A (PKA) inhibition reduces human aortic smooth muscle cell calcification stimulated by inflammatory response and inorganic phosphate. Life Sci 2018; 209:466-471. [DOI: 10.1016/j.lfs.2018.08.051] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 08/17/2018] [Accepted: 08/21/2018] [Indexed: 10/28/2022]
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The Bioactive Substance Secreted by MSC Retards Mouse Aortic Vascular Smooth Muscle Cells Calcification. BIOMED RESEARCH INTERNATIONAL 2018; 2018:6053567. [PMID: 29967775 PMCID: PMC6008760 DOI: 10.1155/2018/6053567] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Accepted: 05/07/2018] [Indexed: 12/13/2022]
Abstract
Background Vascular calcification, which is associated with low-level chronic inflammation, is a complication that occurs during aging, atherosclerosis, chronic kidney disease, diabetes mellitus, and hyperlipaemia. In this study, we used conditioned media from mesenchymal stem cells (MSC-CM), a source of autologous cytokines, to test the hypothesis that MSC-CM inhibits vascular smooth muscle cell (VSMC) calcification by suppressing inflammation and apoptosis. Methods VSMCs were treated with β-glycerophosphate (β-GP) to induce calcification and MSC-CM was used as a treatment. Calcium deposition was evaluated using alizarin red and von Kossa staining after a 7-day induction period. Intracellular calcium contents were measured via the o-cresolphthalein complexone method, and alkaline phosphatase (ALP) activity was determined using the para-nitrophenyl phosphate method. The expressions of specific-osteogenic markers, inflammatory cytokines, and apoptosis-associated genes/proteins were examined by real-time polymerase chain reaction or western blotting. Results MSC-CM inhibited β-GP-induced calcium deposition in VSMCs and decreased intracellular calcium content and ALP activity. Additionally, MSC-CM suppressed the β-GP-induced increases in BMP2, Msx2, Runx2, and osteocalcin expression. Additionally, MSC-CM decreased the expression of TNF-α, IL-1β, and IL-6 in VSMC. MSC-CM also partly blocked β-GP-induced VSMC apoptosis, which was associated with an increase in the Bcl-2/Bax expression ratio and a decrease in caspase-3 expression. Conclusion Our study results suggest that MSC-CM can inhibit VSMC calcification. This suggests a potential novel clinical application for MSCs in the treatment of vascular calcification and associated diseases.
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Harper E, Rochfort KD, Forde H, Davenport C, Smith D, Cummins PM. Activation of the non-canonical NF-κB/p52 pathway in vascular endothelial cells by RANKL elicits pro-calcific signalling in co-cultured smooth muscle cells. Cell Signal 2018; 47:142-150. [PMID: 29678621 DOI: 10.1016/j.cellsig.2018.04.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Revised: 04/16/2018] [Accepted: 04/16/2018] [Indexed: 12/21/2022]
Abstract
BACKGROUND The intimal endothelium is known to condition the underlying medial smooth muscle cell (SMC) layer of the vessel wall, and is highly responsive to receptor-activator of nuclear factor-κB ligand (RANKL) and tumour necrosis factor-related apoptosis-inducing ligand (TRAIL), pro-calcific and anti-calcific agents, respectively. In this paper, we tested the hypothesis that RANKL-induced activation of endothelial NF-κB signalling is essential for pro-calcific activation of the underlying SMCs. METHODS For these studies, human aortic endothelial and smooth muscle cell mono-cultures (HAECs, HASMCs) were treated with RANKL (0-25 ng/ml ± 5 ng/ml TRAIL) for 72 h. Non-contact transwell HAEC:HASMC co-cultures were also employed in which the luminal HAECs were treated with RANKL (± 5 ng/ml TRAIL), followed by analysis of pro-calcific markers in the underlying subluminal HASMCs. RESULTS Treatment of either HAECs or HASMCs with RANKL activated the non-canonical NF-κB/p52 and canonical NF-κB/p65 pathways in both cell types. In RANKL ± TRAIL-treated HAECs, recombinant TRAIL, previously demonstrated by our group to strongly attenuate the pro-calcific signalling effects of RANKL, was shown to specifically block the RANKL-mediated activation of non-canonical NF-κB/p52, clearly pointing to the mechanistic relevance of this specific pathway to RANKL function within endothelial cells. In a final series of HAEC:HASMC transwell co-culture experiments, RANKL treatment of HAECs that had been genetically silenced (via siRNA) for the NF-κB2 gene (the molecular forerunner to NF-κB/p52 generation) exhibited strongly attenuated pro-calcific activation of underlying HASMCs relative to scrambled siRNA controls. SUMMARY These in vitro observations provide valuable mechanistic insights into how RANKL may potentially act upon endothelial cells through activation of the alternative NF-κB pathway to alter endothelial paracrine signalling and elicit pro-calcific responses within underlying vascular smooth muscle cells.
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Affiliation(s)
- Emma Harper
- School of Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland; National Institute for Cellular Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland.
| | - Keith D Rochfort
- School of Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland; National Institute for Cellular Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland
| | - Hannah Forde
- School of Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland; Department of Academic Endocrinology, Beaumont Hospital, Beaumont Road, Dublin, Ireland
| | - Colin Davenport
- School of Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland
| | - Diarmuid Smith
- Department of Academic Endocrinology, Beaumont Hospital, Beaumont Road, Dublin, Ireland.
| | - Philip M Cummins
- School of Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland; National Institute for Cellular Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland.
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Shen J, Zhang N, Lin YN, Xiang P, Liu XB, Shan PF, Hu XY, Zhu W, Tang YL, Webster KA, Cai R, Schally AV, Wang J, Yu H. Regulation of Vascular Calcification by Growth Hormone-Releasing Hormone and Its Agonists. Circ Res 2018; 122:1395-1408. [PMID: 29618597 DOI: 10.1161/circresaha.117.312418] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
RATIONALE Vascular calcification (VC) is a marker of the severity of atherosclerotic disease. Hormones play important roles in regulating calcification; estrogen and parathyroid hormones exert opposing effects, the former alleviating VC and the latter exacerbating it. To date no treatment strategies have been developed to regulate clinical VC. OBJECTIVE The objective of this study was to investigate the effect of growth hormone-releasing hormone (GHRH) and its agonist (GHRH-A) on the blocking of VC in a mouse model. METHODS AND RESULTS Young adult osteoprotegerin-deficient mice were given daily subcutaneous injections of GHRH-A (MR409) for 4 weeks. Significant reductions in calcification of the aortas of MR409-treated mice were paralleled by markedly lower alkaline phosphatase activity and a dramatic reduction in the expression of transcription factors, including the osteogenic marker gene Runx2 and its downstream factors, osteonectin and osteocalcin. The mechanism of action of GHRH-A was dissected in smooth muscle cells isolated from human and mouse aortas. Calcification of smooth muscle cells induced by osteogenic medium was inhibited in the presence of GHRH or MR409, as evidenced by reduced alkaline phosphatase activity and Runx2 expression. Inhibition of calcification by MR409 was partially reversed by MIA602, a GHRH antagonist, or a GHRH receptor-selective small interfering RNA. Treatment with MR409 induced elevated cytosolic cAMP and its target, protein kinase A which in turn blocked nicotinamide adenine dinucleotide phosphate oxidase activity and reduced production of reactive oxygen species, thus blocking the phosphorylation of nuclear factor κB (p65), a key intermediate in the ligand of receptor activator for nuclear factor-κ B-Runx2/alkaline phosphatase osteogenesis program. A protein kinase A-selective small interfering RNA or the chemical inhibitor H89 abolished these beneficial effects of MR409. CONCLUSIONS GHRH-A controls osteogenesis in smooth muscle cells by targeting cross talk between protein kinase A and nuclear factor κB (p65) and through the suppression of reactive oxygen species production that induces the Runx2 gene and alkaline phosphatase. Inflammation-mediated osteogenesis is thereby blocked. GHRH-A may represent a new pharmacological strategy to regulate VC.
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Affiliation(s)
- Jian Shen
- From the Departments of Cardiology (J.S., N.Z., Y.-N.L., P.P.X., X.-b.L., X.-y.H., W.Z., J.W., H.Y.)
- Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, PR China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, PR China (J.S., N.Z., Y.-N.L., P.P.X., X.-b.L., X.-y.H., W.Z., J.W., H.Y.)
| | - Ning Zhang
- From the Departments of Cardiology (J.S., N.Z., Y.-N.L., P.P.X., X.-b.L., X.-y.H., W.Z., J.W., H.Y.)
- Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, PR China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, PR China (J.S., N.Z., Y.-N.L., P.P.X., X.-b.L., X.-y.H., W.Z., J.W., H.Y.)
| | - Yi-Nuo Lin
- From the Departments of Cardiology (J.S., N.Z., Y.-N.L., P.P.X., X.-b.L., X.-y.H., W.Z., J.W., H.Y.)
- Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, PR China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, PR China (J.S., N.Z., Y.-N.L., P.P.X., X.-b.L., X.-y.H., W.Z., J.W., H.Y.)
| | - PingPing Xiang
- From the Departments of Cardiology (J.S., N.Z., Y.-N.L., P.P.X., X.-b.L., X.-y.H., W.Z., J.W., H.Y.)
- Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, PR China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, PR China (J.S., N.Z., Y.-N.L., P.P.X., X.-b.L., X.-y.H., W.Z., J.W., H.Y.)
| | - Xian-Bao Liu
- From the Departments of Cardiology (J.S., N.Z., Y.-N.L., P.P.X., X.-b.L., X.-y.H., W.Z., J.W., H.Y.)
- Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, PR China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, PR China (J.S., N.Z., Y.-N.L., P.P.X., X.-b.L., X.-y.H., W.Z., J.W., H.Y.)
| | | | - Xin-Yang Hu
- From the Departments of Cardiology (J.S., N.Z., Y.-N.L., P.P.X., X.-b.L., X.-y.H., W.Z., J.W., H.Y.)
- Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, PR China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, PR China (J.S., N.Z., Y.-N.L., P.P.X., X.-b.L., X.-y.H., W.Z., J.W., H.Y.)
| | - Wei Zhu
- From the Departments of Cardiology (J.S., N.Z., Y.-N.L., P.P.X., X.-b.L., X.-y.H., W.Z., J.W., H.Y.)
- Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, PR China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, PR China (J.S., N.Z., Y.-N.L., P.P.X., X.-b.L., X.-y.H., W.Z., J.W., H.Y.)
| | - Yao-Liang Tang
- Vascular Biology Center, Georgia Regents University, Augusta (Y.-l.T.)
| | - Keith A Webster
- Department of Molecular and Cellular Pharmacology and the Vascular Biology Institute (K.A.W., R.C., A.V.S.)
| | - Renzhi Cai
- Department of Molecular and Cellular Pharmacology and the Vascular Biology Institute (K.A.W., R.C., A.V.S.)
- Divisions of Hematology/Oncology, Department of Medicine (R.C., A.V.S.)
- Miller School of Medicine, University of Miami, FL; and Endocrine, Polypeptide and Cancer Institute, Veterans Affairs Medical Center, Miami, FL (R.C., A.V.S.)
| | - Andrew V Schally
- Department of Molecular and Cellular Pharmacology and the Vascular Biology Institute (K.A.W., R.C., A.V.S.)
- Divisions of Hematology/Oncology, Department of Medicine (R.C., A.V.S.)
- Miller School of Medicine, University of Miami, FL; and Endocrine, Polypeptide and Cancer Institute, Veterans Affairs Medical Center, Miami, FL (R.C., A.V.S.)
| | - Jian'an Wang
- From the Departments of Cardiology (J.S., N.Z., Y.-N.L., P.P.X., X.-b.L., X.-y.H., W.Z., J.W., H.Y.)
- Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, PR China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, PR China (J.S., N.Z., Y.-N.L., P.P.X., X.-b.L., X.-y.H., W.Z., J.W., H.Y.)
| | - Hong Yu
- From the Departments of Cardiology (J.S., N.Z., Y.-N.L., P.P.X., X.-b.L., X.-y.H., W.Z., J.W., H.Y.)
- Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, PR China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, PR China (J.S., N.Z., Y.-N.L., P.P.X., X.-b.L., X.-y.H., W.Z., J.W., H.Y.)
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Rattazzi M, Rosenfeld ME. The multifaceted role of macrophages in cardiovascular calcification. Atherosclerosis 2018; 270:193-195. [PMID: 29395099 DOI: 10.1016/j.atherosclerosis.2018.01.046] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Accepted: 01/25/2018] [Indexed: 02/04/2023]
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Willy K, Girndt M, Voelkl J, Fiedler R, Martus P, Storr M, Schindler R, Zickler D. Expanded Haemodialysis Therapy of Chronic Haemodialysis Patients Prevents Calcification and Apoptosis of Vascular Smooth Muscle Cells in vitro. Blood Purif 2017; 45:131-138. [PMID: 29402827 DOI: 10.1159/000484925] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Accepted: 11/02/2017] [Indexed: 11/19/2022]
Abstract
BACKGROUND Vascular calcification is a common phenomenon in patients with chronic kidney disease and strongly associated with increased cardiovascular mortality. Vascular calcification is an active process mediated in part by inflammatory processes in vascular smooth muscle cells (VSMC). These could be modified by the insufficient removal of proinflammatory cytokines through conventional high-flux (HF) membranes. Recent trials demonstrated a reduction of inflammation in VSMC by use of dialysis membranes with a higher and steeper cut-off. These membranes caused significant albumin loss. Therefore, the effect of high retention Onset (HRO) dialysis membranes on vascular calcification and its implications in vitro was evaluated. METHODS In the PERCI II trial, 48 chronic dialysis patients were dialyzed using HF and HRO dialyzers and serum samples were collected. Calcifying VSMC were incubated with the serum samples. Calcification was determined using alizarin red staining (AZR) and determination of alkaline phosphatase (ALP) activity. Furthermore, apoptosis was evaluated, and release of matrix Gla protein (MGP), osteopontin (OPN) and growth differentiation factor 15 (GDF-15) were measured in cell supernatants. RESULTS Vascular calcification in vitro was significantly reduced by 24% (ALP) and 36% (AZR) after 4 weeks of HRO dialysis and by 33% (ALP) and 48% (AZR) after 12 weeks of dialysis using HRO membranes compared to HF dialysis. Apoptosis was significantly lower in the HRO group. The concentrations of MGP and OPN were significantly elevated after incubation with HF serum compared to HRO serum and healthy controls. Similarly, GDF-15 release in the supernatant was elevated after incubation with HF serum, an effect significantly ameliorated after treatment with HRO medium. CONCLUSIONS Expanded haemodialysis therapy reduces the pro-calcific potential of serum from dialysis patients in vitro. With a markedly reduced albumin filtration compared to high cut-off dialysis, use of the HRO dialyzers may possibly provide a treatment option for chronic dialysis patients to reduce the progression of vascular calcification.
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Affiliation(s)
- Kevin Willy
- Charité University Medicine Berlin, Campus Virchow Clinic, Department of Nephrology and Internal Intensive Care Medicine, Berlin, Germany
| | - Matthias Girndt
- Department of Internal Medicine II, Martin-Luther-University Halle, Halle, Germany
| | - Jakob Voelkl
- Department of Internal Medicine and Cardiology, Charité Campus Virchow, Charité Center for Cardiovascular Research (CCR), Berlin, Germany
| | - Roman Fiedler
- Department of Internal Medicine II, Martin-Luther-University Halle, Halle, Germany
| | - Peter Martus
- Institute for Clinical Epidemiology and Applied Biometry, University of Tübingen, Tübingen, Germany
| | - Markus Storr
- Department of Research and Development, Gambro Dialysatoren GmbH, Hechingen, Germany
| | - Ralf Schindler
- Charité University Medicine Berlin, Campus Virchow Clinic, Department of Nephrology and Internal Intensive Care Medicine, Berlin, Germany
| | - Daniel Zickler
- Charité University Medicine Berlin, Campus Virchow Clinic, Department of Nephrology and Internal Intensive Care Medicine, Berlin, Germany
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Dube PR, Chikkamenahalli LL, Birnbaumer L, Vazquez G. Reduced calcification and osteogenic features in advanced atherosclerotic plaques of mice with macrophage-specific loss of TRPC3. Atherosclerosis 2017; 270:199-204. [PMID: 29290366 DOI: 10.1016/j.atherosclerosis.2017.12.025] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2017] [Revised: 12/14/2017] [Accepted: 12/15/2017] [Indexed: 01/15/2023]
Abstract
BACKGROUND AND AIMS Recent in vitro studies have showed that in macrophages, deletion of the non-selective Ca2+-permeable channel TRPC3 impairs expression of the osteogenic protein BMP-2. The pathophysiological relevance of this effect in atherosclerotic plaque calcification remains to be determined. METHODS We used Ldlr-/- mice with macrophage-specific loss of TRPC3 (MacTrpc3-/-/Ldlr-/-) to examine the effect of macrophage Trpc3 on plaque calcification and osteogenic features in advanced atherosclerosis. RESULTS After 25 weeks on high fat diet, aortic root plaques in MacTrpc3-/-/Ldlr-/- mice showed reduced size, lipid and macrophage content compared to controls. Plaque calcification was decreased in MacTrpc3-/-/Ldlr-/- mice, and this was accompanied by marked reduction in BMP-2, Runx-2 and phospho-SMAD1/5 contents within macrophage-rich areas. Expression of Bmp-2 and Runx-2 was also reduced in bone marrow-derived macrophages from MacTrpc3-/-/Ldlr-/- mice. CONCLUSIONS These findings show that, in advanced atherosclerosis, selective deletion of TRPC3 in macrophages favors plaque regression and impairs the activity of a novel macrophage-associated, BMP-2-dependent mechanism of calcification.
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Affiliation(s)
- Prabhatchandra R Dube
- Department of Physiology and Pharmacology, Center for Hypertension and Personalized Medicine, University of Toledo College of Medicine and Life Sciences, Health Science Campus, 3000 Transverse Dr., Toledo, OH 43614, USA
| | - Lakshmikanth L Chikkamenahalli
- Department of Physiology and Pharmacology, Center for Hypertension and Personalized Medicine, University of Toledo College of Medicine and Life Sciences, Health Science Campus, 3000 Transverse Dr., Toledo, OH 43614, USA
| | - Lutz Birnbaumer
- Neurobiology Laboratory, National Institute of Environmental Health Sciences, 111 TW Alexander Dr., Research Triangle Park, NC 27709, USA; Institute of Biomedical Research (BIOMED UCA-CONICET), Faculty of Medical Sciences, Av. Alicia Moreau de Justo 1600, C1107AFF Buenos Aires, Argentina
| | - Guillermo Vazquez
- Department of Physiology and Pharmacology, Center for Hypertension and Personalized Medicine, University of Toledo College of Medicine and Life Sciences, Health Science Campus, 3000 Transverse Dr., Toledo, OH 43614, USA.
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Harper E, Rochfort KD, Forde H, Davenport C, Smith D, Cummins PM. TRAIL attenuates RANKL-mediated osteoblastic signalling in vascular cell mono-culture and co-culture models. PLoS One 2017; 12:e0188192. [PMID: 29145460 PMCID: PMC5690591 DOI: 10.1371/journal.pone.0188192] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Accepted: 11/02/2017] [Indexed: 02/05/2023] Open
Abstract
Background and objectives Vascular calcification (VC) is a major risk factor for elevated cardiovascular morbidity/mortality. Underlying this process is osteoblastic signalling within the vessel wall involving complex and interlinked roles for receptor-activator of nuclear factor-κB ligand (RANKL), osteoprotegerin (OPG), and tumour necrosis factor-related apoptosis-inducing ligand (TRAIL). RANKL promotes vascular cell osteoblastic differentiation, whilst OPG acts as a neutralizing decoy receptor for RANKL (and TRAIL). With respect to TRAIL, much recent evidence points to a vasoprotective role for this ligand, albeit via unknown mechanisms. In order to shed more light on TRAILs vasoprotective role therefore, we employed in vitro cell models to test the hypothesis that TRAIL can counteract the RANKL-mediated signalling that occurs between the vascular cells that comprise the vessel wall. Methods and results Human aortic endothelial and smooth muscle cell mono-cultures (HAECs, HASMCs) were treated with RANKL (0–25 ng/mL ± 5 ng/mL TRAIL) for 72 hr. Furthermore, to better recapitulate the paracrine signalling that exists between endothelial and smooth muscle cells within the vessel wall, non-contact transwell HAEC:HASMC co-cultures were also employed and involved RANKL treatment of HAECs (±TRAIL), subsequently followed by analysis of pro-calcific markers in the underlying subluminal HASMCs. RANKL elicited robust osteoblastic signalling across both mono- and co-culture models (e.g. increased BMP-2, alkaline phosphatase/ALP, Runx2, and Sox9, in conjunction with decreased OPG). Importantly, several RANKL actions (e.g. increased BMP-2 release from mono-cultured HAECs or increased ALP/Sox9 levels in co-cultured HASMCs) could be strongly blocked by co-incubation with TRAIL. In summary, this paper clearly demonstrates that RANKL can elicit pro-osteoblastic signalling in HAECs and HASMCs both directly and across paracrine signalling axes. Moreover, within these contexts we present clear evidence that TRAIL can block several key signalling actions of RANKL in vascular cells, providing further evidence of its vasoprotective potential.
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Affiliation(s)
- Emma Harper
- School of Biotechnology, Dublin City University, Dublin, Ireland
- National Institute for Cellular Biotechnology, Dublin City University, Dublin, Ireland
| | - Keith D. Rochfort
- School of Biotechnology, Dublin City University, Dublin, Ireland
- National Institute for Cellular Biotechnology, Dublin City University, Dublin, Ireland
| | - Hannah Forde
- School of Biotechnology, Dublin City University, Dublin, Ireland
- Department of Academic Endocrinology, Beaumont Hospital, Dublin, Ireland
| | - Colin Davenport
- School of Biotechnology, Dublin City University, Dublin, Ireland
| | - Diarmuid Smith
- Department of Academic Endocrinology, Beaumont Hospital, Dublin, Ireland
| | - Philip M. Cummins
- School of Biotechnology, Dublin City University, Dublin, Ireland
- National Institute for Cellular Biotechnology, Dublin City University, Dublin, Ireland
- * E-mail:
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Willy K, Hulko M, Storr M, Speidel R, Gauss J, Schindler R, Zickler D. In Vitro Dialysis of Cytokine-Rich Plasma With High and Medium Cut-Off Membranes Reduces Its Procalcific Activity. Artif Organs 2017; 41:803-809. [PMID: 28524237 DOI: 10.1111/aor.12884] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2016] [Revised: 09/18/2016] [Accepted: 09/26/2016] [Indexed: 12/28/2022]
Abstract
Recently developed high-flux (HF) dialysis membranes with extended permeability provide better clearance of middle-sized molecules such as interleukins (ILs). Whether this modulation of inflammation influences the procalcific effects of septic plasma on vascular smooth muscle cells (VSMCs) is not known. To assess the effects of high cut-off (HCO) and medium cut-off (MCO) membranes on microinflammation and in vitro vascular calcification we developed a miniature dialysis model. Plasma samples from lipopolysaccharide-spiked blood were dialyzed with HF, HCO, and MCO membranes in an in vitro miniature dialysis model. Afterwards, IL-6 concentrations were determined in dialysate and plasma. Calcifying VSMCs were incubated with dialyzed plasma samples and vascular calcification was assessed. Osteopontin (OPN) and matrix Gla protein (MGP) were measured in VSMC supernatants. IL-6 plasma concentrations were markedly lower with HCO and MCO dialysis. VSMC calcification was significantly lower after incubation with MCO- and HCO-serum compared to HF plasma. MGP and OPN levels in supernatants were significantly lower in the MCO but not in the HCO group compared to HF. In vitro dialysis of cytokine-enriched plasma samples with MCO and HCO membranes reduces IL-6 levels. The induction of vascular calcification by cytokine-enriched plasma is reduced after HCO and MCO dialysis.
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Affiliation(s)
- Kevin Willy
- Nephrology and Intensive Care Medicine, Charite Universitatsmedizin Berlin, Berlin, Germany
| | - Michael Hulko
- Nephrology and Intensive Care Medicine, Charite Universitatsmedizin Berlin, Berlin, Germany
| | - Markus Storr
- Nephrology and Intensive Care Medicine, Charite Universitatsmedizin Berlin, Berlin, Germany
| | - Rose Speidel
- Nephrology and Intensive Care Medicine, Charite Universitatsmedizin Berlin, Berlin, Germany
| | - Julia Gauss
- Nephrology and Intensive Care Medicine, Charite Universitatsmedizin Berlin, Berlin, Germany
| | - Ralf Schindler
- Nephrology and Intensive Care Medicine, Charite Universitatsmedizin Berlin, Berlin, Germany
| | - Daniel Zickler
- Nephrology and Intensive Care Medicine, Charite Universitatsmedizin Berlin, Berlin, Germany
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Muñoz JC, Martín R, Alonso C, Gutiérrez B, Nieto ML. Relation between serum levels of chemotaxis-related factors and the presence of coronary artery calcification as expression of subclinical atherosclerosis. Clin Biochem 2017; 50:1048-1055. [PMID: 28830786 DOI: 10.1016/j.clinbiochem.2017.08.012] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Revised: 08/02/2017] [Accepted: 08/19/2017] [Indexed: 12/22/2022]
Abstract
BACKGROUND Atherosclerotic plaque formation is characterized by recruitment of monocytes/macrophages, which contributes to its calcification by releasing pro-osteogenic cytokines. Chemotaxis-related proteins, including netrin-1, gremlin-1 and macrophage inflammatory protein-1β (MIP-1β), regulate immune cell migration. However, their relation with the presence of subclinical atherosclerosis, assessed by measures of coronary artery calcifications (CAC) in patients without known coronary artery disease (CAD), remains unclear. AIMS To examine whether these chemoattractant-related proteins are associated with the presence of CAC in patients without known CAD. METHODS A retrospective case-control observational study was conducted in 120 outpatients without CAD, undergoing a CAC evaluation by computed tomography with the Agatston Calcium score, categorized as CAC- (none) and CAC+ (≥1). Serum biomarkers were quantified by ELISA. RESULTS Lpa, dyslipidaemia and smoking were significantly higher (p=0.006, p≤0.0001 and p=0.001, respectively) in CAC+ patients. Serum netrin-1 levels were lower in CAC+ than in CAC- patients (196.8±127.8pg/ml versus 748.3±103.2pg/ml, p≤0.0001), and a similar pattern was found for gremlin-1 (1.14±0.39ng/ml versus 4.33±1.20ng/ml, p≤0.0001). However, TNFα and MIP-1β were strongly upregulated in CAC+ patients (447.56±74pg/ml versus 1104±144pg/ml and 402.00±94pg/ml versus 905.0±101.6pg/ml, respectively, p≤0.001). Multivariate analyses revealed that low netrin-1 and gremlin-1 levels and high TNFα and MIP-1β amounts were associated with CAC presence, after adjustment for clinical and biochemical variables. CONCLUSIONS We found a netrin-1 and gremlin-1 deficiency and a TNFα and MIP-1β overproduction in CAC+ patients' serum. These proteins may be used to identify individuals with subclinical atherosclerosis. Further research is warranted in a larger cohort of patients to establish these chemotactic-related proteins as biomarkers that improve CAD risk stratification.
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Affiliation(s)
- Juan Carlos Muñoz
- Servicio de Cardiología, Hospital Universitario Rio Hortega, Valladolid, Spain
| | - Rubén Martín
- Instituto de Biología y Genética Molecular, CSIC-UVa, Valladolid, Spain
| | - Carmen Alonso
- Servicio de Radiología, Hospital Universitario Rio Hortega, Valladolid, Spain
| | - Beatriz Gutiérrez
- Instituto de Biología y Genética Molecular, CSIC-UVa, Valladolid, Spain
| | - María Luisa Nieto
- Instituto de Biología y Genética Molecular, CSIC-UVa, Valladolid, Spain; CIBER de Enfermedades Cardiovasculares (CIBERCV). Instituto de Salud Carlos III, Madrid, Spain.
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45
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Dube PR, Birnbaumer L, Vazquez G. Evidence for constitutive bone morphogenetic protein-2 secretion by M1 macrophages: Constitutive auto/paracrine osteogenic signaling by BMP-2 in M1 macrophages. Biochem Biophys Res Commun 2017; 491:154-158. [PMID: 28711495 DOI: 10.1016/j.bbrc.2017.07.065] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Accepted: 07/11/2017] [Indexed: 11/30/2022]
Abstract
Mechanisms mediating vascular calcification recapitulate osteogenic processes encompassing bone formation and imply participation of bone related proteins such as bone morphogenetic protein-2 (BMP-2). Macrophages are amongst the cells that contribute to vascular ossification by releasing cytokines that induce an osteogenic program in vascular smooth muscle cells, and also by becoming themselves osteoclast-like cells. In inflammatory vascular disease, the macrophage population in the vascular wall is diverse, with the M1 or inflammatory, and the M2 or anti-inflammatory macrophage types being dominant. Yet, the osteogenic potential of M1 and M2 macrophages remains unknown. Prompted by recent studies from our laboratory showing that in macrophages the Transient Receptor Potential Canonical 3 (TRPC3) channel contributes to endoplasmic reticulum (ER) stress-induced apoptosis in M1, but not in M2 macrophages, and given the strong relationship between ER stress and vascular calcification, we wished to examine whether TRPC3 would play a role in the osteogenic signaling of polarized macrophages. The findings reported here indicate that a constitutive BMP-2-dependent signaling operates in M1 macrophages, which is not affected by deletion of Trpc3 and is not subject to regulation by ER stress. Our studies suggest operation of an auto/paracrine mechanism by which BMP-2 secreted by M1 macrophages maintains constitutive activation of a BMP-2 receptor/SMAD1/5 signaling axis.
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Affiliation(s)
- Prabhatchandra R Dube
- Department of Physiology and Pharmacology, Center for Hypertension and Personalized Medicine, University of Toledo College of Medicine and Life Sciences, University of Toledo Health Science Campus, 3000 Transverse Dr., Toledo, OH 43614, USA
| | - Lutz Birnbaumer
- Neurobiology Laboratory, National Institute of Environmental Health Sciences, 111 TW Alexander Dr., Research Triangle Park, NC 27709, USA; Institute for Biomedical Research (BIOMED UCA-CONICET), Faculty of Medical Sciences, Av. Alicia Moreau de Justo 1600, C1107AFF Buenos Aires, Argentina
| | - Guillermo Vazquez
- Department of Physiology and Pharmacology, Center for Hypertension and Personalized Medicine, University of Toledo College of Medicine and Life Sciences, University of Toledo Health Science Campus, 3000 Transverse Dr., Toledo, OH 43614, USA.
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46
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Ouyang L, Zhang K, Chen J, Wang J, Huang H. Roles of platelet-derived growth factor in vascular calcification. J Cell Physiol 2017; 233:2804-2814. [PMID: 28467642 DOI: 10.1002/jcp.25985] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Accepted: 05/02/2017] [Indexed: 02/06/2023]
Abstract
Vascular calcification (VC) is prevalent in aging, and patients with hypertension, chronic kidney disease (CKD), or diabetes. VC is regarded as an active and complex process that involves multiple mechanisms responsible for calcium deposition in vessel wall. In light of the complicated pathogenesis of VC, effective therapy for ameliorating VC is limited. Thus, it is urgent to explore the potential mechanisms and find new targets for the therapy of VC. Platelet-derived growth factor (PDGF), a potent mitogen, and chemoattractant have been found to disturb the vascular homeostasis by inducing inflammation, oxidative stress, and phenotype transition, all of which accelerate the process of VC. The aim of current review is to present a review about the roles of PDGF in affecting VC and to establish a potential target for treating VC.
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Affiliation(s)
- Liu Ouyang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Department of Cardiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China.,Guangdong Province Key Laboratory of Arrhythmia and Electrophysiology, Guangzhou, Guangdong Province, China
| | - Kun Zhang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Department of Cardiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China.,Guangdong Province Key Laboratory of Arrhythmia and Electrophysiology, Guangzhou, Guangdong Province, China
| | - Jie Chen
- Guangdong Province Key Laboratory of Arrhythmia and Electrophysiology, Guangzhou, Guangdong Province, China.,Department of Radiation Oncology, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China
| | - Jingfeng Wang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Department of Cardiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China.,Guangdong Province Key Laboratory of Arrhythmia and Electrophysiology, Guangzhou, Guangdong Province, China
| | - Hui Huang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Department of Cardiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China.,Guangdong Province Key Laboratory of Arrhythmia and Electrophysiology, Guangzhou, Guangdong Province, China
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47
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Shamsuzzaman S, Onal M, St John HC, Pike JW. Deletion of a Distal RANKL Gene Enhancer Delays Progression of Atherosclerotic Plaque Calcification in Hypercholesterolemic Mice. J Cell Biochem 2017; 118:4240-4253. [PMID: 28419519 DOI: 10.1002/jcb.26074] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Accepted: 04/14/2017] [Indexed: 12/18/2022]
Abstract
Receptor activator of NF-κB ligand (RANKL) is a TNF-like cytokine which mediates diverse physiological functions including bone remodeling and immune regulation. RANKL has been identified in atherosclerotic lesions; however, its role in atherosclerotic plaque development remains elusive. An enhancer located 75 kb upstream of the murine Rankl gene's transcription start site designated D5 is important for its calciotropic hormone- and cytokine-mediated expression. Here, we determined the impact of RANKL levels in atherosclerotic plaque development in the D5 enhancer-null (D5-/- ) mice in an atherogenic Apoe-/- background fed a high-fat diet (HFD). Rankl mRNA transcripts were increased in aortic arches and thoracic aortae of Apoe-/- mice; however, this increase was blunted in Apoe-/- ;D5-/- mice. Similarly, higher Rankl transcripts were identified in splenic T lymphocytes in Apoe-/- mice, and their levels were reduced in Apoe-/- ;D5-/- mice. When analyzed by micro-computed tomography (µCT), atherosclerotic plaque calcification was identified in six out of eight Apoe-/- mice, whereas only one out of eight Apoe-/- ;D5-/- mice developed plaque calcification after 12 weeks of HFD. However, following 18 weeks of HFD challenge, all of Apoe-/- and Apoe-/- ;D5-/- animals developed atherosclerotic plaque calcification. Likewise, atherosclerotic lesion sizes were site-specifically reduced in the aortic arch of Apoe-/- ;D5-/- mice at initial stage of atherosclerosis and this effect was diminished as atherosclerosis proceeded to a more advanced stage. Our data suggest that deletion of the RANKL D5 enhancer delays the progression of atherosclerotic plaque development and plaque calcification in hypercholesterolemic mice. This work provides important insight into RANKL's regulatory role in atherosclerosis. J. Cell. Biochem. 118: 4240-4253, 2017. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Sohel Shamsuzzaman
- Department of Biochemistry, University of Wisconsin-Madison, Madison, Wisconsin, 53706
| | - Melda Onal
- Department of Biochemistry, University of Wisconsin-Madison, Madison, Wisconsin, 53706
| | - Hillary C St John
- Department of Biochemistry, University of Wisconsin-Madison, Madison, Wisconsin, 53706
| | - J Wesley Pike
- Department of Biochemistry, University of Wisconsin-Madison, Madison, Wisconsin, 53706
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Znorko B, Oksztulska-Kolanek E, Michałowska M, Kamiński T, Pawlak K. Does the OPG/RANKL system contribute to the bone-vascular axis in chronic kidney disease? A systematic review. Adv Med Sci 2017; 62:52-64. [PMID: 28189120 DOI: 10.1016/j.advms.2016.08.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 08/20/2016] [Accepted: 08/29/2016] [Indexed: 02/07/2023]
Abstract
Vascular calcification (VC) is highly prevalent in patients with chronic kidney disease (CKD) and is strongly associated with cardiovascular mortality and morbidity. Accumulating evidence over the past decade has challenged the hypothesis of close interaction between bone and VC what raises the possibility of a common underlying pathophysiological mechanism. Lately, bone regulatory proteins such as: osteoprotegerin (OPG) and Receptor Activator for Nuclear Factor κB Ligand (RANKL) has attracted attention of researchers as a possible key mediators of bone-vascular calcification imbalance. The literature search was carried out using the MEDLINE/PubMed database and a combination of keywords and MeSH terms, and only papers published since January 2005 to July 2016 were selected. The search resulted in 562 potential articles. After selection according to the eligibility criteria, 107 studies fulfilled were included (102 full texts and 5 was case reports). OPG and RANKL plays essential role in the regulation of bone metabolism and may be regarded as a possible link between VC, bone and mineral metabolism in CKD patients. Further studies are required to determine the diagnostic significance of these proteins in evaluation of progression and severity of VC process in CKD patients. Finally, the efficacy and safety, especially in regard to VC, of anti-RANKL therapy in CKD patients requires well-designed prospective, randomized trials.
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Affiliation(s)
- Beata Znorko
- Department of Monitored Pharmacotherapy, Medical University of Bialystok, Bialystok, Poland
| | - Ewa Oksztulska-Kolanek
- Department of Monitored Pharmacotherapy, Medical University of Bialystok, Bialystok, Poland
| | | | - Tomasz Kamiński
- Department of Pharmacodynamics, Medical University of Bialystok, Bialystok, Poland
| | - Krystyna Pawlak
- Department of Monitored Pharmacotherapy, Medical University of Bialystok, Bialystok, Poland.
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Jackson MF, Scatena M, Giachelli CM. Osteoclast precursors do not express CD68: results from CD68 promoter-driven RANK transgenic mice. FEBS Lett 2017; 591:728-736. [PMID: 28173622 DOI: 10.1002/1873-3468.12588] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2016] [Revised: 01/30/2017] [Accepted: 01/31/2017] [Indexed: 12/22/2022]
Abstract
Macrophages and osteoclasts are thought to derive from CD68 lineage marker-positive common myeloid precursors. We used the CD68 promoter to drive an inducible receptor activator of NF-κB (iRANK) construct that selectively activates RANK signaling in myeloid cells in vivo. The cytoplasmic portion of RANK was fused to a mutant FK506 binding domain, which selectively binds the chemical inducer of dimerization AP20187 and initiates signaling. iRANK mRNA was expressed in macrophages isolated from peritoneal cavity, spleen-, and bone marrow-derived myeloid cells. Unexpectedly, AP20187 did not induce osteoclast formation in spleen- and bone marrow-derived myeloid cells. However, AP20187-dependent RANK signaling induced ERK1/2 phosphorylation and mRNA expression of MMP9 and CathepsinK in peritoneal macrophages. Importantly, CD68 was not expressed until day 3 and day 5 in bone marrow and spleen myeloid cells, respectively. Contrary to dogma, osteoclast precursors do not express the lineage marker CD68.
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Affiliation(s)
- Melissa F Jackson
- Department of Bioengineering, University of Washington, Seattle, WA, USA
| | - Marta Scatena
- Department of Bioengineering, University of Washington, Seattle, WA, USA
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50
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Li G, Qiao W, Zhang W, Li F, Shi J, Dong N. The shift of macrophages toward M1 phenotype promotes aortic valvular calcification. J Thorac Cardiovasc Surg 2017; 153:1318-1327.e1. [PMID: 28283241 DOI: 10.1016/j.jtcvs.2017.01.052] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Revised: 12/31/2016] [Accepted: 01/25/2017] [Indexed: 10/20/2022]
Abstract
OBJECTIVE The purpose of the present study was to comprehensively compare the phenotype profile of infiltrated macrophages in human noncalcified and calcific aortic valves, and to determine whether the shift of macrophage polarization modulates valvular calcification in vitro. METHODS Cell surface markers of macrophages and inflammatory cytokines expression in 90 cases of human noncalcified and calcific aortic valve leaflets were analyzed. The normal aortic valve interstitial cells were isolated and cultured in vitro. After incubation with nonconditioned medium and conditioned medium from unstimulated or lipopolysaccharide-stimulated U937 monocytes, valve interstitial cells were evaluated by osteogenic differentiation markers. RESULTS Infiltration of macrophages was enhanced in the calcific aortic valves, and M1 phenotype was the predominant macrophage subsets. In addition, both proinflammatory and anti-inflammatory cytokines were significantly upregulated in the calcific aortic valves. Furthermore, lipopolysaccharide-stimulated monocytes presented with increased expression of inducible nitric oxide synthase and high proportional CD11c-positive (M1) macrophages. Conditioned medium from unstimulated monocytes promoted the osteogenic differentiation of valve interstitial cells in vitro, as evidenced by increased markers such as bone morphogenetic protein 2, osteopontin, and alkaline phosphatase. Conditioned medium from M1 macrophages further enhanced valve interstitial cells calcification. Enzyme-linked immunosorbent assay showed that M1 phenotype macrophages secreted tumor necrosis factors α and interleukin 6, and neutralizing antibodies to these 2 proinflammatory cytokines attenuated induction of osteogenic differentiation and calcification by the conditioned media. CONCLUSIONS Both total numbers and polarization of macrophage influence the process of calcification in human aortic valve. The shift toward M1 phenotype might promote valve interstitial cell calcification.
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Affiliation(s)
- Geng Li
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Weihua Qiao
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Wenjing Zhang
- Department of Ultrasound, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Fei Li
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Jiawei Shi
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China.
| | - Nianguo Dong
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China.
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