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Zhang X, Chen S, Yin G, Liang P, Feng Y, Yu W, Meng D, Liu H, Zhang F. The Role of JAK/STAT Signaling Pathway and Its Downstream Influencing Factors in the Treatment of Atherosclerosis. J Cardiovasc Pharmacol Ther 2024; 29:10742484241248046. [PMID: 38656132 DOI: 10.1177/10742484241248046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
Atherosclerosis is now widely considered to be a chronic inflammatory disease, with increasing evidence suggesting that lipid alone is not the main factor contributing to its development. Rather, atherosclerotic plaques contain a significant amount of inflammatory cells, characterized by the accumulation of monocytes and lymphocytes on the vessel wall. This suggests that inflammation may play a crucial role in the occurrence and progression of atherosclerosis. As research deepens, other pathological factors have also been found to influence the development of the disease. The Janus kinase/signal transducer and activator of transcription (JAK/STAT) pathway is a recently discovered target of inflammation that has gained attention in recent years. Numerous studies have provided evidence for the causal role of this pathway in atherosclerosis, and its downstream signaling factors play a significant role in this process. This brief review aims to explore the crucial role of the JAK/STAT pathway and its representative downstream signaling factors in the development of atherosclerosis. It provides a new theoretical basis for clinically affecting the development of atherosclerosis by interfering with the JAK/STAT signaling pathway.
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Affiliation(s)
- Xin Zhang
- The First Clinical Medical College of Shandong University of Traditional Chinese Medicine, Jinan City, Shandong Province, China
| | - Suwen Chen
- The First Clinical Medical College of Shandong University of Traditional Chinese Medicine, Jinan City, Shandong Province, China
| | - Guoliang Yin
- The First Clinical Medical College of Shandong University of Traditional Chinese Medicine, Jinan City, Shandong Province, China
| | - Pengpeng Liang
- The First Clinical Medical College of Shandong University of Traditional Chinese Medicine, Jinan City, Shandong Province, China
| | - Yanan Feng
- The First Clinical Medical College of Shandong University of Traditional Chinese Medicine, Jinan City, Shandong Province, China
| | - Wenfei Yu
- The First Clinical Medical College of Shandong University of Traditional Chinese Medicine, Jinan City, Shandong Province, China
| | - Decheng Meng
- The First Clinical Medical College of Shandong University of Traditional Chinese Medicine, Jinan City, Shandong Province, China
| | - Hongshuai Liu
- The First Clinical Medical College of Shandong University of Traditional Chinese Medicine, Jinan City, Shandong Province, China
| | - Fengxia Zhang
- Hospital of Shandong University of Traditional Chinese Medicine, Jinan City, Shandong Province, China
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Anisimov A, Fang S, Hemanthakumar KA, Örd T, van Avondt K, Chevre R, Toropainen A, Singha P, Gilani H, Nguyen SD, Karaman S, Korhonen EA, Adams RH, Augustin HG, Öörni K, Soehnlein O, Kaikkonen MU, Alitalo K. The angiopoietin receptor Tie2 is atheroprotective in arterial endothelium. NATURE CARDIOVASCULAR RESEARCH 2023; 2:307-321. [PMID: 37476204 PMCID: PMC7614785 DOI: 10.1038/s44161-023-00224-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 01/26/2023] [Indexed: 07/22/2023]
Abstract
Leukocytes and resident cells in the arterial wall contribute to atherosclerosis, especially at sites of disturbed blood flow. Expression of endothelial Tie1 receptor tyrosine kinase is enhanced at these sites, and attenuation of its expression reduces atherosclerotic burden and decreases inflammation. However, Tie2 tyrosine kinase function in atherosclerosis is unknown. Here we provide genetic evidence from humans and from an atherosclerotic mouse model to show that TIE2 is associated with protection from coronary artery disease. We show that deletion of Tie2, or both Tie2 and Tie1, in the arterial endothelium promotes atherosclerosis by increasing Foxo1 nuclear localization, endothelial adhesion molecule expression and accumulation of immune cells. We also show that Tie2 is expressed in a subset of aortic fibroblasts, and its silencing in these cells increases expression of inflammation-related genes. Our findings indicate that unlike Tie1, the Tie2 receptor functions as the dominant endothelial angiopoietin receptor that protects from atherosclerosis.
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Affiliation(s)
- Andrey Anisimov
- Wihuri Research Institute, Biomedicum Helsinki, University of Helsinki, Helsinki, Finland
- Translational Cancer Medicine Program, Biomedicum Helsinki, University of Helsinki, Helsinki, Finland
| | - Shentong Fang
- Wihuri Research Institute, Biomedicum Helsinki, University of Helsinki, Helsinki, Finland
- Translational Cancer Medicine Program, Biomedicum Helsinki, University of Helsinki, Helsinki, Finland
- School of Biopharmacy, China Pharmaceutical University, Nanjing, P. R. China
| | - Karthik Amudhala Hemanthakumar
- Wihuri Research Institute, Biomedicum Helsinki, University of Helsinki, Helsinki, Finland
- Translational Cancer Medicine Program, Biomedicum Helsinki, University of Helsinki, Helsinki, Finland
| | - Tiit Örd
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
| | - Kristof van Avondt
- Institute of Experimental Pathology (ExPat), Center of Molecular Biology of Inflammation (ZMBE), University of Münster, Münster, Germany
| | - Raphael Chevre
- Institute of Experimental Pathology (ExPat), Center of Molecular Biology of Inflammation (ZMBE), University of Münster, Münster, Germany
| | - Anu Toropainen
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
| | - Prosanta Singha
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
| | - Huda Gilani
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
| | - Su D. Nguyen
- Wihuri Research Institute, Biomedicum Helsinki, University of Helsinki, Helsinki, Finland
| | - Sinem Karaman
- Wihuri Research Institute, Biomedicum Helsinki, University of Helsinki, Helsinki, Finland
- Individualized Drug Therapy Research Program, Biomedicum Helsinki, University of Helsinki, Helsinki, Finland
| | - Emilia A. Korhonen
- Wihuri Research Institute, Biomedicum Helsinki, University of Helsinki, Helsinki, Finland
- Translational Cancer Medicine Program, Biomedicum Helsinki, University of Helsinki, Helsinki, Finland
- Institute for Neurovascular Cell Biology, University Hospital Bonn, University of Bonn, Bonn, Germany
- European Center for Angioscience (ECAS), Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Ralf H. Adams
- Department of Tissue Morphogenesis, Max Planck Institute for Molecular Biomedicine, University of Münster, Münster, Germany
| | - Hellmut G. Augustin
- European Center for Angioscience (ECAS), Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Vascular Oncology and Metastasis, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Katariina Öörni
- Wihuri Research Institute, Biomedicum Helsinki, University of Helsinki, Helsinki, Finland
| | - Oliver Soehnlein
- Institute of Experimental Pathology (ExPat), Center of Molecular Biology of Inflammation (ZMBE), University of Münster, Münster, Germany
| | - Minna U. Kaikkonen
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
| | - Kari Alitalo
- Wihuri Research Institute, Biomedicum Helsinki, University of Helsinki, Helsinki, Finland
- Translational Cancer Medicine Program, Biomedicum Helsinki, University of Helsinki, Helsinki, Finland
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3
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Liang S, Sun Q, Du Z, Ren X, Xu Q, Sun Z, Duan J. PM 2.5 induce the defective efferocytosis and promote atherosclerosis via HIF-1α activation in macrophage. Nanotoxicology 2022; 16:290-309. [PMID: 35653618 DOI: 10.1080/17435390.2022.2083995] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Epidemiological studies demonstrate that fine particulate matter (PM2.5) promotes the development of atherosclerosis. However, the mechanism insight of PM2.5-induced atherosclerosis is still lacking. The aim of this study was to explore the biological effects of hypoxia-inducible factor 1α (HIF-1α) on PM2.5-triggered atherosclerosis. The vascular stiffness, carotid intima-media thickness (CIMT), lipid and atherosclerotic lesion were increased when von Hippel-Lindau (VHL)-null mice were exposed to PM2.5. Yet, knockout of HIF-1α markedly decreased the PM2.5-triggered atherosclerotic lesion. We firstly performed microarray analysis in PM2.5-treated bone morrow-derived macrophages (BMDMs), which showed that PM2.5 significantly changed the genes expression patterns and affected biological processes such as phagocytosis, apoptotic cell clearance, cellular response to hypoxia, apoptotic process and inflammatory response. Moreover, the data showed knockout of HIF-1α remarkably relieved PM2.5-induced defective efferocytosis. Mechanistically, PM2.5 inhibited the level of genes and proteins of efferocytosis receptor c-Mer tyrosine kinase (MerTK), especially in VHL-null BMDMs. In addition, PM2.5 increased the genes and proteins of a disintegrin and metallopeptidase domain 17 (ADAM17), which caused the MerTK cleavage to form soluble MerTK (sMer) in plasma and cellular supernatant. The sMer was significantly up-regulated in plasma of VHL-null PM2.5-exposed mice. Moreover, PM2.5 could induce defective efferocytosis and activate inflammatory response through MerTK/IFNAR1/STAT1 signaling pathway in macrophages. Our results demonstrate that PM2.5 could induce defective efferocytosis and inflammation by activating HIF-1α in macrophages, ultimately resulting in accelerating atherosclerotic lesion formation and development. Our data suggest HIF-1α in macrophages might be a potential target for PM2.5-related atherosclerosis.
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Affiliation(s)
- Shuang Liang
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, P.R. China.,Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, P.R. China
| | - Qinglin Sun
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, P.R. China.,Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, P.R. China
| | - Zhou Du
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, P.R. China.,Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, P.R. China
| | - Xiaoke Ren
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, P.R. China.,Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, P.R. China
| | - Qing Xu
- Core Facility Centre, Capital Medical University, Beijing, P.R. China
| | - Zhiwei Sun
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, P.R. China.,Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, P.R. China
| | - Junchao Duan
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, P.R. China.,Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, P.R. China
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Zhang X, Liu Y, Zhao J, Yan T. MiR-455-5p serves as a biomarker of atherosclerosis and inhibits vascular smooth muscle cell proliferation and migration. Per Med 2021; 18:213-221. [PMID: 33822652 DOI: 10.2217/pme-2020-0136] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Background: This study discussed the clinical value and expression level of miR-455-5p in atherosclerosis (AS) patients. Meanwhile, its regulatory effect on the proliferation and migration of vascular smooth muscle cells (VSMCs) was further analyzed. Materials & methods: Clinical experiments were detected by quantitative real-time PCR and receiver operating characteristic. Cell experiments were detected by CCK-8, transwell and luciferase reporter gene assay. Results: miR-455-5p was low expressed in AS patients and had diagnostic value to distinguish AS patients from healthy controls. MiR-455-5p inhibited the proliferation and migration of VSMCs. SOCS3 was the target gene of miR-455-5p. Conclusion: MiR-455-5p may be used as a potential diagnostic biomarker for AS. MiR-455-5p may inhibit the proliferation and migration of VSMCs through targeting SOCS3.
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Affiliation(s)
- Xiang Zhang
- Department of Cardiology, Anqiu People's Hospital, Weifang, Shandong 262100, PR China
| | - Yan Liu
- Department of Cardiology, People's Hospital of Rizhao, Rizhao, Shandong 276800, PR China
| | - Jing Zhao
- Departmentof Cardiology, Shanxian Haijiya Hospital, Heze, Shandong 274300, PR China
| | - Tingguo Yan
- Department of Cardiology, Anqiu People's Hospital, Weifang, Shandong 262100, PR China
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5
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Bernal S, Lopez-Sanz L, Jimenez-Castilla L, Prieto I, Melgar A, La Manna S, Martin-Ventura JL, Blanco-Colio LM, Egido J, Gomez-Guerrero C. Protective effect of suppressor of cytokine signalling 1-based therapy in experimental abdominal aortic aneurysm. Br J Pharmacol 2020; 178:564-581. [PMID: 33227156 DOI: 10.1111/bph.15330] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 09/20/2020] [Accepted: 10/05/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND AND PURPOSE Abdominal aortic aneurysm (AAA) is a multifactorial disease characterized by chronic inflammation, oxidative stress and proteolytic activity in the aortic wall. Targeting JAK/signal transducer and activator of transcription (JAK/STAT) pathway is a promising strategy for chronic inflammatory diseases. We investigated the vasculo-protective role of suppressor of cytokine signalling-1 (SOCS1), the negative JAK/STAT regulator, in experimental AAA. EXPERIMENTAL APPROACH A synthetic, cell permeable peptide (S1) mimic of SOCS1 kinase inhibitory domain to suppress STAT activation was evaluated in the well-established mouse model of elastase-induced AAA by monitoring changes in aortic diameter, cellular composition and gene expression in abdominal aorta. S1 function was further evaluated in cultured vascular smooth muscle cells (VSMC) and macrophages exposed to elastase or elastin-derived peptides. KEY RESULTS S1 peptide prevented AAA development, evidenced by reduced incidence of AAA, aortic dilation and elastin degradation, partial restoration of medial VSMC and decreased inflammatory cells and oxidative stress in AAA tissue. Mechanistically, S1 suppressed STAT1/3 activation in aorta, down-regulated cytokines, metalloproteinases and altered the expression of cell differentiation markers by favouring anti-inflammatory M2 macrophage and contractile VSMC phenotypes. In vitro, S1 suppressed the expression of inflammatory and oxidative genes, reduced cell migration and reversed the phenotypic switch of macrophages and VSMC. By contrast, SOCS1 silencing promoted inflammatory response. CONCLUSION AND IMPLICATIONS This preclinical study demonstrates the therapeutic potential of SOCS1-derived peptide to halt AAA progression by suppressing JAK/STAT-mediated inflammation and aortic dilation. S1 peptide may therefore be a valuable option for the treatment of AAA.
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Affiliation(s)
- Susana Bernal
- Renal, Vascular and Diabetes Research Laboratory, IIS-Fundacion Jimenez Diaz (IIS-FJD), Autonoma University of Madrid (UAM), Madrid, Spain.,Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Madrid, Spain
| | - Laura Lopez-Sanz
- Renal, Vascular and Diabetes Research Laboratory, IIS-Fundacion Jimenez Diaz (IIS-FJD), Autonoma University of Madrid (UAM), Madrid, Spain.,Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Madrid, Spain
| | - Luna Jimenez-Castilla
- Renal, Vascular and Diabetes Research Laboratory, IIS-Fundacion Jimenez Diaz (IIS-FJD), Autonoma University of Madrid (UAM), Madrid, Spain.,Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Madrid, Spain
| | - Ignacio Prieto
- Renal, Vascular and Diabetes Research Laboratory, IIS-Fundacion Jimenez Diaz (IIS-FJD), Autonoma University of Madrid (UAM), Madrid, Spain.,Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Madrid, Spain
| | - Ana Melgar
- Renal, Vascular and Diabetes Research Laboratory, IIS-Fundacion Jimenez Diaz (IIS-FJD), Autonoma University of Madrid (UAM), Madrid, Spain
| | - Sara La Manna
- Renal, Vascular and Diabetes Research Laboratory, IIS-Fundacion Jimenez Diaz (IIS-FJD), Autonoma University of Madrid (UAM), Madrid, Spain
| | - Jose Luis Martin-Ventura
- Renal, Vascular and Diabetes Research Laboratory, IIS-Fundacion Jimenez Diaz (IIS-FJD), Autonoma University of Madrid (UAM), Madrid, Spain.,Spanish Biomedical Research Centre in Cardiovascular Diseases (CIBERCV), Madrid, Spain
| | - Luis Miguel Blanco-Colio
- Renal, Vascular and Diabetes Research Laboratory, IIS-Fundacion Jimenez Diaz (IIS-FJD), Autonoma University of Madrid (UAM), Madrid, Spain.,Spanish Biomedical Research Centre in Cardiovascular Diseases (CIBERCV), Madrid, Spain
| | - Jesus Egido
- Renal, Vascular and Diabetes Research Laboratory, IIS-Fundacion Jimenez Diaz (IIS-FJD), Autonoma University of Madrid (UAM), Madrid, Spain.,Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Madrid, Spain
| | - Carmen Gomez-Guerrero
- Renal, Vascular and Diabetes Research Laboratory, IIS-Fundacion Jimenez Diaz (IIS-FJD), Autonoma University of Madrid (UAM), Madrid, Spain.,Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Madrid, Spain
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6
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Phosphatase and Tensin Homolog (PTEN) of Japanese Flounder-Its Regulation by miRNA and Role in Autophagy, Apoptosis and Pathogen Infection. Int J Mol Sci 2020; 21:ijms21207725. [PMID: 33086544 PMCID: PMC7589652 DOI: 10.3390/ijms21207725] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 10/14/2020] [Accepted: 10/14/2020] [Indexed: 12/11/2022] Open
Abstract
MicroRNAs (miRNAs) are small non-coding RNAs with important roles in diverse biological processes including immunity. Japanese flounder (Paralichthys olivaceus) is an aquaculture fish species susceptible to the infection of bacterial and viral pathogens including Edwardsiella tarda. In a previous study, pol-miR-novel_547, a novel miRNA of flounder with unknown function, was found to be induced by E. tarda. In the present study, we investigated the regulation and function of pol-miR-novel_547 and its target gene. We found that pol-miR-novel_547 was regulated differently by E. tarda and the viral pathogen megalocytivirus, and pol-miR-novel_547 repressed the expression of PTEN (phosphatase and tensin homolog) of flounder (PoPTEN). PoPTEN is ubiquitously expressed in multiple tissues of flounder and responded to bacterial and viral infections. Interference with PoPTEN expression in flounder cells directly or via pol-miR-novel_547 promoted E. tarda invasion. Consistently, in vivo knockdown of PoPTEN enhanced E. tarda dissemination in flounder tissues, whereas in vivo overexpression of PoPTEN attenuated E. tarda dissemination but facilitated megalocytivirus replication. Further in vitro and in vivo studies showed that PoPTEN affected autophagy activation via the AKT/mTOR pathway and also modulated the process of apoptosis. Together these results reveal for the first time a critical role of fish PTEN and its regulatory miRNA in pathogen infection, autophagy, and apoptosis.
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Barrett TJ, Schlegel M, Zhou F, Gorenchtein M, Bolstorff J, Moore KJ, Fisher EA, Berger JS. Platelet regulation of myeloid suppressor of cytokine signaling 3 accelerates atherosclerosis. Sci Transl Med 2020; 11:11/517/eaax0481. [PMID: 31694925 DOI: 10.1126/scitranslmed.aax0481] [Citation(s) in RCA: 75] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 07/19/2019] [Accepted: 10/04/2019] [Indexed: 12/19/2022]
Abstract
Platelets are best known as mediators of hemostasis and thrombosis; however, their inflammatory effector properties are increasingly recognized. Atherosclerosis, a chronic vascular inflammatory disease, represents the interplay between lipid deposition in the artery wall and unresolved inflammation. Here, we reveal that platelets induce monocyte migration and recruitment into atherosclerotic plaques, resulting in plaque platelet-macrophage aggregates. In Ldlr -/- mice fed a Western diet, platelet depletion decreased plaque size and necrotic area and attenuated macrophage accumulation. Platelets drive atherogenesis by skewing plaque macrophages to an inflammatory phenotype, increasing myeloid suppressor of cytokine signaling 3 (SOCS3) expression and reducing the Socs1:Socs3 ratio. Platelet-induced Socs3 expression regulates plaque macrophage reprogramming by promoting inflammatory cytokine production (Il6, Il1b, and Tnfa) and impairing phagocytic capacity, dysfunctions that contribute to unresolved inflammation and sustained plaque growth. Translating our data to humans with cardiovascular disease, we found that women with, versus without, myocardial infarction have up-regulation of SOCS3, lower SOCS1:SOCS3, and increased monocyte-platelet aggregate. A second cohort of patients with lower extremity atherosclerosis demonstrated that SOCS3 and the SOCS1:SOCS3 ratio correlated with platelet activity and inflammation. Collectively, these data provide a causative link between platelet-mediated myeloid inflammation and dysfunction, SOCS3, and cardiovascular disease. Our findings define an atherogenic role of platelets and highlight how, in the absence of thrombosis, platelets contribute to inflammation.
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Affiliation(s)
- Tessa J Barrett
- Marc and Ruti Bell Program in Vascular Biology, Division of Cardiology, Department of Medicine, New York University School of Medicine, New York, NY 10016, USA
| | - Martin Schlegel
- Marc and Ruti Bell Program in Vascular Biology, Division of Cardiology, Department of Medicine, New York University School of Medicine, New York, NY 10016, USA
| | - Felix Zhou
- Marc and Ruti Bell Program in Vascular Biology, Division of Cardiology, Department of Medicine, New York University School of Medicine, New York, NY 10016, USA
| | - Mike Gorenchtein
- Marc and Ruti Bell Program in Vascular Biology, Division of Cardiology, Department of Medicine, New York University School of Medicine, New York, NY 10016, USA
| | - Jennifer Bolstorff
- Marc and Ruti Bell Program in Vascular Biology, Division of Cardiology, Department of Medicine, New York University School of Medicine, New York, NY 10016, USA
| | - Kathryn J Moore
- Marc and Ruti Bell Program in Vascular Biology, Division of Cardiology, Department of Medicine, New York University School of Medicine, New York, NY 10016, USA
| | - Edward A Fisher
- Marc and Ruti Bell Program in Vascular Biology, Division of Cardiology, Department of Medicine, New York University School of Medicine, New York, NY 10016, USA
| | - Jeffrey S Berger
- Marc and Ruti Bell Program in Vascular Biology, Division of Cardiology, Department of Medicine, New York University School of Medicine, New York, NY 10016, USA.
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Yang X, Jia J, Yu Z, Duanmu Z, He H, Chen S, Qu C. Inhibition of JAK2/STAT3/SOCS3 signaling attenuates atherosclerosis in rabbit. BMC Cardiovasc Disord 2020; 20:133. [PMID: 32169038 PMCID: PMC7071770 DOI: 10.1186/s12872-020-01391-7] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 02/17/2020] [Indexed: 02/07/2023] Open
Abstract
Background Previous studies have indicated that the JAK/STAT signaling pathway is involved in modulating arterial adventitia inflammation response. In this study, we designed experiments to further investigate the effect of JAK2/STAT3/SOCS3 signaling in rabbit atherosclerosis process. Methods Atherosclerosis was induced in the abdominal arteries of rabbits by balloon injury of the aorta supplemented by the atherogenic diet. Simultaneously, in the process of atherosclerosis, animals underwent either ruxolitinib treatment or not for 12 weeks. At the end of the experimental period, all rabbits were sacrificed. The plaque areas in abdominal artery, the lipid burden of plaque and the calcium burden of plaque were detected by H&E staining, Oil Red O staining and Alizarin Red staining, respectively. In addition, rabbit plasma lipids and inflammatory cytokines were measured by biochemical test kits or ELISA kits. Finally, the expression and phosphorylation levels of JAK2/STAT3/SOCS3 pathway-related proteins were detected by RT-qPCR, western blot and immunohistochemistry assays. Results H&E staining and CT scan analysis showed that rabbit atherosclerosis model was constructed successfully. Ruxolitinib, an inhibitor of the Janus kinase 2 (JAK2), substantially reduced the area of atherosclerotic plaques in rabbits treated with high fat diet and balloon injury of the aorta. Moreover, ruxolitinib significantly decreased IL-6, IL-1β, IFN-γ and TNF-α, but increased IL-10 and IL-17 levels in plasma of atherosclerotic rabbits. Additionally, ruxolitinib reduced plasma TC, TG and LDL-C contents and AIP value, while enhanced HDL-C level in atherosclerotic rabbits. Furthermore, we found that JAK2 and STAT3 phosphorylation were up-regulated in rabbits with atherosclerosis when compared with those of the control group, followed by the expression of SOCS3 was also increased due to the activation of JAK2 and STAT3. Interestingly, ruxolitinib could inactivate JAK2 and STAT3 pathway and decrease SOCS3 expression. Conclusion Taken together, the inhibition of JAK2/STAT3/SOCS3 signaling pathway may be a novel method for the clinical treatment of artery atherosclerosis.
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Affiliation(s)
- Xilan Yang
- The Second Affiliated Hospital of Nanjing Medical University, Nanjing, 210011, China
| | - Jian Jia
- The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Zhen Yu
- The Second Affiliated Hospital of Nanjing Medical University, Nanjing, 210011, China
| | - Zheng Duanmu
- Beijing Information Science & Technology University, Beijing, 100192, China
| | - Huiwei He
- The Second Affiliated Hospital of Nanjing Medical University, Nanjing, 210011, China
| | - Sen Chen
- The Second Affiliated Hospital of Nanjing Medical University, Nanjing, 210011, China
| | - Chen Qu
- The Second Affiliated Hospital of Nanjing Medical University, Nanjing, 210011, China.
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9
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Wiejak J, van Basten B, Luchowska-Stańska U, Hamilton G, Yarwood SJ. The novel exchange protein activated by cyclic AMP 1 (EPAC1) agonist, I942, regulates inflammatory gene expression in human umbilical vascular endothelial cells (HUVECs). BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2018; 1866:264-276. [PMID: 30414891 PMCID: PMC6325792 DOI: 10.1016/j.bbamcr.2018.11.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 10/31/2018] [Accepted: 11/06/2018] [Indexed: 12/14/2022]
Abstract
Exchange protein activated by cyclic AMP (EPAC1) suppresses multiple inflammatory actions in vascular endothelial cells (VECs), partly due to its ability to induce expression of the suppressor of cytokine signalling 3 (SOCS3) gene, the protein product of which inhibits interleukin 6 (IL6) signalling through the JAK/STAT3 pathway. Here, for the first time, we use the non-cyclic nucleotide EPAC1 agonist, I942, to determine its actions on cellular EPAC1 activity and cyclic AMP-regulated gene expression in VECs. We demonstrate that I942 promotes EPAC1 and Rap1 activation in HEK293T cells and induces SOCS3 expression and suppresses IL6-stimulated JAK/STAT3 signalling in HUVECs. SOCS3 induction by I942 in HUVECs was blocked by the EPAC1 antagonist, ESI-09, and EPAC1 siRNA, but not by the broad-spectrum protein kinase A (PKA) inhibitor, H89, indicating that I942 regulates SOCS3 gene expression through EPAC1. RNA sequencing was carried out to further identify I942-regulated genes in HUVECs. This identified 425 I942-regulated genes that were also regulated by the EPAC1-selective cyclic AMP analogue, 007, and the cyclic AMP-elevating agents, forskolin and rolipram (F/R). The majority of genes identified were suppressed by I942, 007 and F/R treatment and many were involved in the control of key vascular functions, including the gene for the cell adhesion molecule, VCAM1. I942 and 007 also inhibited IL6-induced expression of VCAM1 at the protein level and blocked VCAM1-dependent monocyte adhesion to HUVECs. Overall, I942 represents the first non-cyclic nucleotide EPAC1 agonist in cells with the ability to suppress IL6 signalling and inflammatory gene expression in VECs. The novel EPAC1 ligand I942 activates cellular EPAC1 and Rap1 GTPase. I942 induces SOCS3 gene expression in vascular endothelial cells (VECs). I942 suppresses JAK/STAT3 signalling from the IL6 receptor in VECs. I942 regulates 425 novel gene targets in VECs. I942 suppresses VCAM1 expression and monocyte adhesion in VECs.
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Affiliation(s)
- Jolanta Wiejak
- Institute of Biological Chemistry, Biophysics and Bioengineering, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh Campus, Edinburgh EH14 4AS, UK
| | - Boy van Basten
- Institute of Biological Chemistry, Biophysics and Bioengineering, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh Campus, Edinburgh EH14 4AS, UK
| | - Urszula Luchowska-Stańska
- Institute of Biological Chemistry, Biophysics and Bioengineering, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh Campus, Edinburgh EH14 4AS, UK
| | - Graham Hamilton
- Glasgow Polyomics, Wolfson Wohl Cancer Research Centre, Garscube Campus, University of Glasgow, Bearsden G61 1QH, UK
| | - Stephen J Yarwood
- Institute of Biological Chemistry, Biophysics and Bioengineering, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh Campus, Edinburgh EH14 4AS, UK.
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Peptides as Therapeutic Agents for Inflammatory-Related Diseases. Int J Mol Sci 2018; 19:ijms19092714. [PMID: 30208640 PMCID: PMC6163503 DOI: 10.3390/ijms19092714] [Citation(s) in RCA: 99] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2018] [Revised: 09/07/2018] [Accepted: 09/09/2018] [Indexed: 01/08/2023] Open
Abstract
Inflammation is a physiological mechanism used by organisms to defend themselves against infection, restoring homeostasis in damaged tissues. It represents the starting point of several chronic diseases such as asthma, skin disorders, cancer, cardiovascular syndrome, arthritis, and neurological diseases. An increasing number of studies highlight the over-expression of inflammatory molecules such as oxidants, cytokines, chemokines, matrix metalloproteinases, and transcription factors into damaged tissues. The treatment of inflammatory disorders is usually linked to the use of unspecific small molecule drugs that can cause undesired side effects. Recently, many efforts are directed to develop alternative and more selective anti-inflammatory therapies, several of them imply the use of peptides. Indeed, peptides demonstrated as elected lead compounds toward several targets for their high specificity as well as recent and innovative synthetic strategies. Several endogenous peptides identified during inflammatory responses showed anti-inflammatory activities by inhibiting, reducing, and/or modulating the expression and activity of mediators. This review aims to discuss the potentialities and therapeutic use of peptides as anti-inflammatory agents in the treatment of different inflammation-related diseases and to explore the importance of peptide-based therapies.
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Alikhah A, Pahlevan Kakhki M, Ahmadi A, Dehghanzad R, Boroumand MA, Behmanesh M. The role of lnc-DC long non-coding RNA and SOCS1 in the regulation of STAT3 in coronary artery disease and type 2 diabetes mellitus. J Diabetes Complications 2018; 32:258-265. [PMID: 29398326 DOI: 10.1016/j.jdiacomp.2017.12.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 11/09/2017] [Accepted: 12/02/2017] [Indexed: 01/05/2023]
Abstract
AIMS Coronary artery disease (CAD) can be classified as an inflammatory disease, which affected by type 2 diabetes mellitus (T2DM). Elevated levels of many inflammatory molecules were found in the serum of patients with CAD. STAT3 molecule as a transcription factor plays an important role in the cytokines expression. Here, we examined the expression levels of STAT3 and its important regulatory genes lnc-DC and SOCS1, in patients with CAD and T2DM. METHODS Blood samples were obtained from 37 CAD+ and 36 CAD- patients. These patients were enrolled in this study based on angiography findings and categorized based on T2DM status. The expression levels of STAT3, lnc-DC and SOCS1 genes were examined with Real time PCR method. RESULTS A significant increase was observed in expression of STAT3 and lnc-DC genes but not SOCS1 in CAD+ versus CAD- patients. These results replicated partially in some groups categorized based on T2DM and CAD status. However, severity of CAD had no effect on expressions of these genes. Moreover, we found some significant correlations between expressions of lnc-DC with SOCS1 and STAT3, which confirmed by in silico analysis. CONCLUSION Our results shed further light to the inflammatory aspects of CAD and T2DM with emphasis to JAK/STAT pathway and the regulatory role of long non-coding RNAs in the physiopathology of these diseases.
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Affiliation(s)
- Asieh Alikhah
- Department of Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Majid Pahlevan Kakhki
- Department of Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Amirhossain Ahmadi
- Department of Biology, Faculty of Basic Sciences, Persian Gulf University, Bushehr, Iran
| | - Reyhaneh Dehghanzad
- Department of Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | | | - Mehrdad Behmanesh
- Department of Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran.
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Barker G, Parnell E, van Basten B, Buist H, Adams DR, Yarwood SJ. The Potential of a Novel Class of EPAC-Selective Agonists to Combat Cardiovascular Inflammation. J Cardiovasc Dev Dis 2017; 4:jcdd4040022. [PMID: 29367551 PMCID: PMC5753123 DOI: 10.3390/jcdd4040022] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Revised: 11/23/2017] [Accepted: 11/30/2017] [Indexed: 02/07/2023] Open
Abstract
The cyclic 3′,5′-adenosine monophosphate (cAMP) sensor enzyme, EPAC1, is a candidate drug target in vascular endothelial cells (VECs) due to its ability to attenuate proinflammatory cytokine signalling normally associated with cardiovascular diseases (CVDs), including atherosclerosis. This is through the EPAC1-dependent induction of the suppressor of cytokine signalling gene, SOCS3, which targets inflammatory signalling proteins for ubiquitinylation and destruction by the proteosome. Given this important role for the EPAC1/SOCS3 signalling axis, we have used high throughput screening (HTS) to identify small molecule EPAC1 regulators and have recently isolated the first known non-cyclic nucleotide (NCN) EPAC1 agonist, I942. I942 therefore represents the first in class, isoform selective EPAC1 activator, with the potential to suppress pro-inflammatory cytokine signalling with a reduced risk of side effects associated with general cAMP-elevating agents that activate multiple response pathways. The development of augmented I942 analogues may therefore provide improved research tools to validate EPAC1 as a potential therapeutic target for the treatment of chronic inflammation associated with deadly CVDs.
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Affiliation(s)
- Graeme Barker
- Institute of Chemical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, UK.
| | - Euan Parnell
- Department of Physiology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA.
| | - Boy van Basten
- Institute of Biological Chemistry, Biophysics and Bioengineering, Heriot-Watt University, Edinburgh EH14 4AS, UK.
| | - Hanna Buist
- Institute of Biological Chemistry, Biophysics and Bioengineering, Heriot-Watt University, Edinburgh EH14 4AS, UK.
| | - David R Adams
- Institute of Chemical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, UK.
| | - Stephen J Yarwood
- Institute of Biological Chemistry, Biophysics and Bioengineering, Heriot-Watt University, Edinburgh EH14 4AS, UK.
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Recio C, Maione F, Iqbal AJ, Mascolo N, De Feo V. The Potential Therapeutic Application of Peptides and Peptidomimetics in Cardiovascular Disease. Front Pharmacol 2017; 7:526. [PMID: 28111551 PMCID: PMC5216031 DOI: 10.3389/fphar.2016.00526] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Accepted: 12/19/2016] [Indexed: 12/11/2022] Open
Abstract
Cardiovascular disease (CVD) remains a leading cause of mortality and morbidity worldwide. Numerous therapies are currently under investigation to improve pathological cardiovascular complications, but yet, there have been very few new medications approved for intervention/treatment. Therefore, new approaches to treat CVD are urgently required. Attempts to prevent vascular complications usually involve amelioration of contributing risk factors and underlying processes such as inflammation, obesity, hyperglycaemia, or hypercholesterolemia. Historically, the development of peptides as therapeutic agents has been avoided by the Pharmaceutical industry due to their low stability, size, rate of degradation, and poor delivery. However, more recently, resurgence has taken place in developing peptides and their mimetics for therapeutic intervention. As a result, increased attention has been placed upon using peptides that mimic the function of mediators involved in pathologic processes during vascular damage. This review will provide an overview on novel targets and experimental therapeutic approaches based on peptidomimetics for modulation in CVD. We aim to specifically examine apolipoprotein A-I (apoA-I) and apoE mimetic peptides and their role in cholesterol transport during atherosclerosis, suppressors of cytokine signaling (SOCS)1-derived peptides and annexin-A1 as potent inhibitors of inflammation, incretin mimetics and their function in glucose-insulin tolerance, among others. With improvements in technology and synthesis platforms the future looks promising for the development of novel peptides and mimetics for therapeutic use. However, within the area of CVD much more work is required to identify and improve our understanding of peptide structure, interaction, and function in order to select the best targets to take forward for treatment.
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Affiliation(s)
- Carlota Recio
- Sir William Dunn School of Pathology, University of Oxford Oxford, UK
| | - Francesco Maione
- Department of Pharmacy, University of Naples Federico II Naples, Italy
| | - Asif J Iqbal
- Sir William Dunn School of Pathology, University of Oxford Oxford, UK
| | - Nicola Mascolo
- Department of Pharmacy, University of Naples Federico II Naples, Italy
| | - Vincenzo De Feo
- Department of Pharmacy, University of Salerno Salerno, Italy
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Protein Inhibitor of Activated STAT3 Suppresses Oxidized LDL-induced Cell Responses during Atherosclerosis in Apolipoprotein E-deficient Mice. Sci Rep 2016; 6:36790. [PMID: 27845432 PMCID: PMC5109228 DOI: 10.1038/srep36790] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Accepted: 10/20/2016] [Indexed: 11/24/2022] Open
Abstract
Atherosclerosis is a serious public health concern. Excessive inflammatory responses of vascular cells are considered a pivotal pathogenesis mechanism underlying atherosclerosis development. It is known that Janus kinase/signal transducer and activator of transcription 3 (JAK/STAT3) signalling plays an important role in atherosclerosis progression. Protein inhibitor of activated STAT3 (PIAS3) is the key negative regulator of JAK/STAT3 signalling. However, its effect on atherogenesis is unknown. Here, we observed that PIAS3 levels are reduced in atherosclerotic lesions and that PIAS3 expression decreases in conjunction with increases in interleukin-6 expression and atherosclerosis severity. Oxidized low-density lipoprotein (ox-LDL), an atherogenic stimulus, reduced PIAS3 expression, an effect that may be attributed to nitric oxide synthesis upregulation. In turn, PIAS3 overexpression effectively suppressed ox-LDL-induced inflammation, lipid accumulation and vascular smooth muscle cell proliferation. These results indicate that PIAS3 is a critical repressor of atherosclerosis progression. The findings of this study have contributed to our understanding on the pathogenesis of atherosclerosis and have provided us with a potential target through which we can inhibit atherosclerosis-related cellular responses.
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Jia Y, Liu T, Zhou L, Zhu J, Wu J, Sun D, Xu J, Wang Q, Chen H, Xu F, Zhang Y, Zhang T, Liu H, Ye L. Effects of Di-(2-ethylhexyl) Phthalate on Lipid Metabolism by the JAK/STAT Pathway in Rats. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2016; 13:ijerph13111085. [PMID: 27827939 PMCID: PMC5129295 DOI: 10.3390/ijerph13111085] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Revised: 10/20/2016] [Accepted: 11/01/2016] [Indexed: 02/07/2023]
Abstract
The most widely used plasticizer, di-(2-ethylhexyl) phthalate (DEHP), is known to affect lipid metabolism and adipogenesis. We studied the effects of dietary DEHP exposure on metabolism in rats as well as the role of the JAK/STAT pathway in this process. Eighty rats were exposed to DEHP (0, 5, 50 and 500 mg/kg/d) through dietary intake for 4 weeks. We then collected blood samples, liver, and adipose tissues to detect modifications in the levels of serum lipids, leptin, adiponectin and insulin. JAK3, STAT5a and PPARγ expression were detected at both the gene and protein levels. The activation of JAK3 and STAT5a was also detected. The DEHP-exposed rats had increased body weight, serum lipid, insulin, and leptin levels. Moreover, the JAK3/STAT5a pathway was activated in the adipose tissue; however, this pathway was not activated in the liver. The mRNA of SREBP-1c in the liver was increased significantly among each of the groups, in contrast to the levels found in the mature SREBP-1c protein form. Furthermore, the expression of FABP4, Acox and FASn was decreased in the liver, but increased in adipose tissue. Thus, we conclude that exposure to DEHP reduces the hydrolysis of lipid and promotes triglyceride accumulation by oppositely regulating the activation state of JAK/STAT pathway in the liver and adipose tissue, resulting in the disorder of body lipid metabolism and obesity.
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Affiliation(s)
- Yiyang Jia
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun 130021, China.
| | - Te Liu
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun 130021, China.
- Scientific Research Center, China-Japan Union Hospital, Jilin University, Changchun 130033, China.
| | - Liting Zhou
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun 130021, China.
| | - Jian Zhu
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun 130021, China.
| | - Juan Wu
- Cancer Center, Tumor Hospital of Jiangxi Province, Nanchang 330029, China.
| | - Di Sun
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun 130021, China.
| | - Jin Xu
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun 130021, China.
| | - Qi Wang
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun 130021, China.
| | - Huaiji Chen
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun 130021, China.
| | - Feng Xu
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun 130021, China.
| | - Yuezhu Zhang
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun 130021, China.
| | - Tianrong Zhang
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun 130021, China.
| | - Hongbo Liu
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun 130021, China.
| | - Lin Ye
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun 130021, China.
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16
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Recio C, Lazaro I, Oguiza A, Lopez-Sanz L, Bernal S, Blanco J, Egido J, Gomez-Guerrero C. Suppressor of Cytokine Signaling-1 Peptidomimetic Limits Progression of Diabetic Nephropathy. J Am Soc Nephrol 2016; 28:575-585. [PMID: 27609616 DOI: 10.1681/asn.2016020237] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Accepted: 07/04/2016] [Indexed: 01/01/2023] Open
Abstract
Diabetes is the main cause of CKD and ESRD worldwide. Chronic activation of Janus kinase and signal transducer and activator of transcription (STAT) signaling contributes to diabetic nephropathy by inducing genes involved in leukocyte infiltration, cell proliferation, and extracellular matrix accumulation. This study examined whether a cell-permeable peptide mimicking the kinase-inhibitory region of suppressor of cytokine signaling-1 (SOCS1) regulatory protein protects against nephropathy by suppressing STAT-mediated cell responses to diabetic conditions. In a mouse model combining hyperglycemia and hypercholesterolemia (streptozotocin diabetic, apoE-deficient mice), renal STAT activation status correlated with the severity of nephropathy. Notably, compared with administration of vehicle or mutant inactive peptide, administration of the SOCS1 peptidomimetic at either early or advanced stages of diabetes ameliorated STAT activity and resulted in reduced serum creatinine level, albuminuria, and renal histologic changes (mesangial expansion, tubular injury, and fibrosis) over time. Mice treated with the SOCS1 peptidomimetic also exhibited reduced kidney leukocyte recruitment (T lymphocytes and classic M1 proinflammatory macrophages) and decreased expression levels of proinflammatory and profibrotic markers that were independent of glycemic and lipid changes. In vitro, internalized peptide suppressed STAT activation and target gene expression induced by inflammatory and hyperglycemic conditions, reduced migration and proliferation in mesangial and tubuloepithelial cells, and altered the expression of cytokine-induced macrophage polarization markers. In conclusion, our study identifies SOCS1 mimicking as a feasible therapeutic strategy to halt the onset and progression of renal inflammation and fibrosis in diabetic kidney disease.
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Affiliation(s)
- Carlota Recio
- Renal and Vascular Inflammation Group and.,Division of Nephrology and Hypertension, Fundacion Jimenez Diaz University Hospital-Health Research Institute, Autonoma University of Madrid.,Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders; and
| | - Iolanda Lazaro
- Renal and Vascular Inflammation Group and.,Division of Nephrology and Hypertension, Fundacion Jimenez Diaz University Hospital-Health Research Institute, Autonoma University of Madrid
| | - Ainhoa Oguiza
- Renal and Vascular Inflammation Group and.,Division of Nephrology and Hypertension, Fundacion Jimenez Diaz University Hospital-Health Research Institute, Autonoma University of Madrid.,Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders; and
| | - Laura Lopez-Sanz
- Renal and Vascular Inflammation Group and.,Division of Nephrology and Hypertension, Fundacion Jimenez Diaz University Hospital-Health Research Institute, Autonoma University of Madrid
| | - Susana Bernal
- Renal and Vascular Inflammation Group and.,Division of Nephrology and Hypertension, Fundacion Jimenez Diaz University Hospital-Health Research Institute, Autonoma University of Madrid
| | - Julia Blanco
- Department of Pathology, Hospital Clinico San Carlos, Madrid, Spain
| | - Jesus Egido
- Division of Nephrology and Hypertension, Fundacion Jimenez Diaz University Hospital-Health Research Institute, Autonoma University of Madrid.,Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders; and
| | - Carmen Gomez-Guerrero
- Renal and Vascular Inflammation Group and .,Division of Nephrology and Hypertension, Fundacion Jimenez Diaz University Hospital-Health Research Institute, Autonoma University of Madrid.,Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders; and
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Parnell E, Palmer TM, Yarwood SJ. The future of EPAC-targeted therapies: agonism versus antagonism. Trends Pharmacol Sci 2015; 36:203-14. [PMID: 25744542 PMCID: PMC4392396 DOI: 10.1016/j.tips.2015.02.003] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2014] [Revised: 02/03/2015] [Accepted: 02/05/2015] [Indexed: 02/06/2023]
Abstract
Although tractable to drug development, targeting of cAMP signalling has side effects. Selectively targeting EPAC1 and EPAC2 cAMP sensor enzymes may limit some of these off-target effects. EPAC agonists could be used to treat vascular inflammation (EPAC1) or type 2 diabetes (EPAC2). EPAC1 and EPAC2 antagonists could be used to treat heart disease.
Pharmaceutical manipulation of cAMP levels exerts beneficial effects through the regulation of the exchange protein activated by cAMP (EPAC) and protein kinase A (PKA) signalling routes. Recent attention has turned to the specific regulation of EPAC isoforms (EPAC1 and EPAC2) as a more targeted approach to cAMP-based therapies. For example, EPAC2-selective agonists could promote insulin secretion from pancreatic β cells, whereas EPAC1-selective agonists may be useful in the treatment of vascular inflammation. By contrast, EPAC1 and EPAC2 antagonists could both be useful in the treatment of heart failure. Here we discuss whether the best way forward is to design EPAC-selective agonists or antagonists and the current strategies being used to develop isoform-selective, small-molecule regulators of EPAC1 and EPAC2 activity.
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Affiliation(s)
- Euan Parnell
- Institute of Molecular, Cell, and Systems Biology, College of Medical, Veterinary, and Life Sciences, University of Glasgow, Glasgow G12 8QQ, UK
| | - Timothy M Palmer
- School of Pharmacy, University of Bradford, Bradford BD7 1DP, UK
| | - Stephen J Yarwood
- Institute of Molecular, Cell, and Systems Biology, College of Medical, Veterinary, and Life Sciences, University of Glasgow, Glasgow G12 8QQ, UK.
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Recio C, Oguiza A, Mallavia B, Lazaro I, Ortiz-Muñoz G, Lopez-Franco O, Egido J, Gomez-Guerrero C. Gene delivery of suppressors of cytokine signaling (SOCS) inhibits inflammation and atherosclerosis development in mice. Basic Res Cardiol 2015; 110:8. [DOI: 10.1007/s00395-014-0458-1] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2014] [Revised: 12/11/2014] [Accepted: 12/12/2014] [Indexed: 01/16/2023]
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Kapoor D, Trikha D, Vijayvergiya R, Kaul D, Dhawan V. Conventional therapies fail to target inflammation and immune imbalance in subjects with stable coronary artery disease: A system-based approach. Atherosclerosis 2014; 237:623-31. [DOI: 10.1016/j.atherosclerosis.2014.10.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2014] [Revised: 09/20/2014] [Accepted: 10/13/2014] [Indexed: 01/13/2023]
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Recio C, Oguiza A, Lazaro I, Mallavia B, Egido J, Gomez-Guerrero C. Suppressor of cytokine signaling 1-derived peptide inhibits Janus kinase/signal transducers and activators of transcription pathway and improves inflammation and atherosclerosis in diabetic mice. Arterioscler Thromb Vasc Biol 2014; 34:1953-60. [PMID: 25012131 DOI: 10.1161/atvbaha.114.304144] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
OBJECTIVE Activation of Janus kinase/signal transducers and activators of transcription (STAT) pathway by hyperglycemia and dislypidemia contributes to the progression of diabetic complications, including atherosclerosis. Suppressor of cytokine signaling (SOCS) proteins negatively regulate Janus kinase/STAT and have emerged as promising target for anti-inflammatory therapies. We investigated whether a cell-permeable lipopeptide corresponding to the kinase inhibitory region of SOCS1 could reduce atherosclerosis in diabetic mice and identified the mechanisms involved. APPROACH AND RESULTS Streptozotocin-induced diabetic apolipoprotein E-deficient mice (aged 8 and 22 weeks) were given intraperitoneal injections of vehicle, SOCS1-derived peptide, or control mutant peptide for 6 to 10 weeks. SOCS1 therapy suppressed STAT1/STAT3 activation in atherosclerotic plaques of diabetic mice and significantly reduced lesion size at both early and advanced stages of lesion development compared with vehicle group. Plaque characterization demonstrated that SOCS1 peptide decreased the accumulation of lipids, macrophages, and T lymphocytes, whereas increasing collagen and smooth muscle cell content. This atheroprotective effect was accompanied by systemic (reduced proinflammatory Ly6C(high) monocytes and splenic cytokine expression) and local (reduced aortic expression of chemokines and cytokines) mechanisms, without impact on metabolic parameters. In vitro, SOCS1 peptide dose dependently inhibited STAT1/STAT3 activation and target gene expression in vascular smooth muscle cells and macrophages and also suppressed cytokine-induced cell migration and adhesion processes. CONCLUSIONS SOCS1-based targeting Janus kinase/STAT restrains key mechanisms of atherogenesis in diabetic mice, thereby preventing plaque formation and increasing plaque stability. Approaches to mimic native SOCS1 functions may have a therapeutic potential to retard the progression of diabetic complications.
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Affiliation(s)
- Carlota Recio
- From the Renal and Vascular Research Lab, IIS-Fundacion Jimenez Diaz, Autonoma University of Madrid, Madrid, Spain (C.R., A.O., I.L., B.M., J.E., C.G.-G.); and Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Madrid, Spain (C.R., A.O., J.E., C.G.-G.)
| | - Ainhoa Oguiza
- From the Renal and Vascular Research Lab, IIS-Fundacion Jimenez Diaz, Autonoma University of Madrid, Madrid, Spain (C.R., A.O., I.L., B.M., J.E., C.G.-G.); and Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Madrid, Spain (C.R., A.O., J.E., C.G.-G.)
| | - Iolanda Lazaro
- From the Renal and Vascular Research Lab, IIS-Fundacion Jimenez Diaz, Autonoma University of Madrid, Madrid, Spain (C.R., A.O., I.L., B.M., J.E., C.G.-G.); and Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Madrid, Spain (C.R., A.O., J.E., C.G.-G.)
| | - Beñat Mallavia
- From the Renal and Vascular Research Lab, IIS-Fundacion Jimenez Diaz, Autonoma University of Madrid, Madrid, Spain (C.R., A.O., I.L., B.M., J.E., C.G.-G.); and Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Madrid, Spain (C.R., A.O., J.E., C.G.-G.)
| | - Jesus Egido
- From the Renal and Vascular Research Lab, IIS-Fundacion Jimenez Diaz, Autonoma University of Madrid, Madrid, Spain (C.R., A.O., I.L., B.M., J.E., C.G.-G.); and Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Madrid, Spain (C.R., A.O., J.E., C.G.-G.)
| | - Carmen Gomez-Guerrero
- From the Renal and Vascular Research Lab, IIS-Fundacion Jimenez Diaz, Autonoma University of Madrid, Madrid, Spain (C.R., A.O., I.L., B.M., J.E., C.G.-G.); and Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Madrid, Spain (C.R., A.O., J.E., C.G.-G.).
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Immune Regulators Regulated to Prevent Transplant Reactions. J Am Coll Cardiol 2014; 63:30-2. [DOI: 10.1016/j.jacc.2013.07.073] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2013] [Revised: 07/25/2013] [Accepted: 07/29/2013] [Indexed: 01/08/2023]
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