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Markin AM, Markina YV, Bogatyreva AI, Tolstik TV, Chakal DA, Breshenkov DG, Charchyan ER. The Role of Cytokines in Cholesterol Accumulation in Cells and Atherosclerosis Progression. Int J Mol Sci 2023; 24:ijms24076426. [PMID: 37047399 PMCID: PMC10094347 DOI: 10.3390/ijms24076426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 03/21/2023] [Accepted: 03/27/2023] [Indexed: 03/31/2023] Open
Abstract
Atherosclerosis is the most common cardiovascular disease and is the number one cause of death worldwide. Today, atherosclerosis is a multifactorial chronic inflammatory disease with an autoimmune component, accompanied by the accumulation of cholesterol in the vessel wall and the formation of atherosclerotic plaques, endothelial dysfunction, and chronic inflammation. In the process of accumulation of atherogenic lipids, cells of the immune system, such as monocytes, macrophages, dendritic cells, etc., play an important role, producing and/or activating the production of various cytokines—interferons, interleukins, chemokines. In this review, we have tried to summarize the most important cytokines involved in the processes of atherogenesis.
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2
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Fernández-Gallego N, Castillo-González R, Méndez-Barbero N, López-Sanz C, Obeso D, Villaseñor A, Escribese MM, López-Melgar B, Salamanca J, Benedicto-Buendía A, Jiménez-Borreguero LJ, Ibañez B, Sastre J, Belver MT, Vega F, Blanco C, Barber D, Sánchez-Madrid F, de la Fuente H, Martín P, Esteban V, Jiménez-Saiz R. The impact of type 2 immunity and allergic diseases in atherosclerosis. Allergy 2022; 77:3249-3266. [PMID: 35781885 DOI: 10.1111/all.15426] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 06/22/2022] [Accepted: 06/28/2022] [Indexed: 01/28/2023]
Abstract
Allergic diseases are allergen-induced immunological disorders characterized by the development of type 2 immunity and IgE responses. The prevalence of allergic diseases has been on the rise alike cardiovascular disease (CVD), which affects arteries of different organs such as the heart, the kidney and the brain. The underlying cause of CVD is often atherosclerosis, a disease distinguished by endothelial dysfunction, fibrofatty material accumulation in the intima of the artery wall, smooth muscle cell proliferation, and Th1 inflammation. The opposed T-cell identity of allergy and atherosclerosis implies an atheroprotective role for Th2 cells by counteracting Th1 responses. Yet, the clinical association between allergic disease and CVD argues against it. Within, we review different phases of allergic pathology, basic immunological mechanisms of atherosclerosis and the clinical association between allergic diseases (particularly asthma, atopic dermatitis, allergic rhinitis and food allergy) and CVD. Then, we discuss putative atherogenic mechanisms of type 2 immunity and allergic inflammation including acute allergic reactions (IgE, IgG1, mast cells, macrophages and allergic mediators such as vasoactive components, growth factors and those derived from the complement, contact and coagulation systems) and late phase inflammation (Th2 cells, eosinophils, type 2 innate-like lymphoid cells, alarmins, IL-4, IL-5, IL-9, IL-13 and IL-17).
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Affiliation(s)
- Nieves Fernández-Gallego
- Vascular Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain.,Department of Immunology, Instituto de Investigación Sanitaria Hospital Universitario de La Princesa (IIS-Princesa), Universidad Autónoma de Madrid (UAM), Madrid, Spain
| | - Raquel Castillo-González
- Vascular Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain.,Department of Immunology, Instituto de Investigación Sanitaria Hospital Universitario de La Princesa (IIS-Princesa), Universidad Autónoma de Madrid (UAM), Madrid, Spain.,Department of Pathology, Hospital 12 de Octubre, Madrid, Spain
| | - Nerea Méndez-Barbero
- Vascular Research Laboratory, Instituto de Investigación Sanitaria Fundación Jiménez Díaz (IIS-FJD), Madrid, Spain.,CIBER de Enfermedades Cardiovasculares (CIBERCV), Instituto de Salud Carlos III, Madrid, Spain
| | - Celia López-Sanz
- Department of Immunology, Instituto de Investigación Sanitaria Hospital Universitario de La Princesa (IIS-Princesa), Universidad Autónoma de Madrid (UAM), Madrid, Spain
| | - David Obeso
- Department of Basic Medical Sciences, Faculty of Medicine, Institute of Applied Molecular Medicine Nemesio Díez (IMMA), Universidad San Pablo-CEU, CEU Universities, Madrid, Spain.,Department of Chemistry and Biochemistry, Faculty of Pharmacy, Centre for Metabolomics and Bioanalysis (CEMBIO), Universidad San Pablo-CEU, CEU Universities, Madrid, Spain
| | - Alma Villaseñor
- Department of Basic Medical Sciences, Faculty of Medicine, Institute of Applied Molecular Medicine Nemesio Díez (IMMA), Universidad San Pablo-CEU, CEU Universities, Madrid, Spain.,Department of Chemistry and Biochemistry, Faculty of Pharmacy, Centre for Metabolomics and Bioanalysis (CEMBIO), Universidad San Pablo-CEU, CEU Universities, Madrid, Spain
| | - María M Escribese
- Department of Basic Medical Sciences, Faculty of Medicine, Institute of Applied Molecular Medicine Nemesio Díez (IMMA), Universidad San Pablo-CEU, CEU Universities, Madrid, Spain
| | - Beatriz López-Melgar
- Department of Cardiology, Instituto de Investigación Sanitaria Hospital Universitario de La Princesa (IIS-Princesa), Madrid, Spain
| | - Jorge Salamanca
- Department of Cardiology, Instituto de Investigación Sanitaria Hospital Universitario de La Princesa (IIS-Princesa), Madrid, Spain
| | - Amparo Benedicto-Buendía
- Department of Cardiology, Instituto de Investigación Sanitaria Hospital Universitario de La Princesa (IIS-Princesa), Madrid, Spain
| | - Luis Jesús Jiménez-Borreguero
- CIBER de Enfermedades Cardiovasculares (CIBERCV), Instituto de Salud Carlos III, Madrid, Spain.,Department of Cardiology, Instituto de Investigación Sanitaria Hospital Universitario de La Princesa (IIS-Princesa), Madrid, Spain
| | - Borja Ibañez
- CIBER de Enfermedades Cardiovasculares (CIBERCV), Instituto de Salud Carlos III, Madrid, Spain.,Myocardial Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain.,Department of Cardiology, Instituto de Investigación Sanitaria Fundación Jiménez Díaz (IIS-FJD), Madrid, Spain
| | - Joaquín Sastre
- Department of Allergy and Immunology, Instituto de Investigación Sanitaria Fundación Jiménez Díaz (IIS-FJD), Universidad Autónoma de Madrid (UAM), Madrid, Spain.,CIBER de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain
| | - María Teresa Belver
- Department of Allergy, Instituto de Investigación Sanitaria Hospital Universitario de La Princesa (IIS-Princesa), Madrid, Spain
| | - Francisco Vega
- Department of Allergy, Instituto de Investigación Sanitaria Hospital Universitario de La Princesa (IIS-Princesa), Madrid, Spain
| | - Carlos Blanco
- Department of Allergy, Instituto de Investigación Sanitaria Hospital Universitario de La Princesa (IIS-Princesa), Madrid, Spain
| | - Domingo Barber
- Department of Basic Medical Sciences, Faculty of Medicine, Institute of Applied Molecular Medicine Nemesio Díez (IMMA), Universidad San Pablo-CEU, CEU Universities, Madrid, Spain
| | - Francisco Sánchez-Madrid
- Vascular Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain.,Department of Immunology, Instituto de Investigación Sanitaria Hospital Universitario de La Princesa (IIS-Princesa), Universidad Autónoma de Madrid (UAM), Madrid, Spain.,CIBER de Enfermedades Cardiovasculares (CIBERCV), Instituto de Salud Carlos III, Madrid, Spain
| | - Hortensia de la Fuente
- Department of Immunology, Instituto de Investigación Sanitaria Hospital Universitario de La Princesa (IIS-Princesa), Universidad Autónoma de Madrid (UAM), Madrid, Spain.,CIBER de Enfermedades Cardiovasculares (CIBERCV), Instituto de Salud Carlos III, Madrid, Spain
| | - Pilar Martín
- Vascular Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain.,CIBER de Enfermedades Cardiovasculares (CIBERCV), Instituto de Salud Carlos III, Madrid, Spain
| | - Vanesa Esteban
- Department of Allergy and Immunology, Instituto de Investigación Sanitaria Fundación Jiménez Díaz (IIS-FJD), Universidad Autónoma de Madrid (UAM), Madrid, Spain.,Faculty of Medicine and Biomedicine, Universidad Alfonso X El Sabio, Madrid, Spain
| | - Rodrigo Jiménez-Saiz
- Department of Immunology, Instituto de Investigación Sanitaria Hospital Universitario de La Princesa (IIS-Princesa), Universidad Autónoma de Madrid (UAM), Madrid, Spain.,Department of Immunology and Oncology, Centro Nacional de Biotecnología (CNB)-CSIC, Madrid, Spain.,Faculty of Experimental Sciences, Universidad Francisco de Vitoria (UFV), Madrid, Spain.,Department of Medicine, McMaster Immunology Research Centre (MIRC), McMaster University, Hamilton, Ontario, Canada
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3
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Jin F, Li J, Guo J, Doeppner TR, Hermann DM, Yao G, Dai Y. Targeting epigenetic modifiers to reprogramme macrophages in non-resolving inflammation-driven atherosclerosis. EUROPEAN HEART JOURNAL OPEN 2021; 1:oeab022. [PMID: 35919269 PMCID: PMC9241575 DOI: 10.1093/ehjopen/oeab022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 06/28/2021] [Accepted: 08/14/2021] [Indexed: 12/14/2022]
Abstract
Epigenomic and epigenetic research has been providing several new insights into a variety of diseases caused by non-resolving inflammation, including cardiovascular diseases. Atherosclerosis (AS) has long been recognized as a chronic inflammatory disease of the arterial walls, characterized by local persistent and stepwise accelerating inflammation without resolution, also known as uncontrolled inflammation. The pathogenesis of AS is driven primarily by highly plastic macrophages via their polarization to pro- or anti-inflammatory phenotypes as well as other novel subtypes recently identified by single-cell sequencing. Although emerging evidence has indicated the key role of the epigenetic machinery in the regulation of macrophage plasticity, the investigation of epigenetic alterations and modifiers in AS and related inflammation is still in its infancy. An increasing number of the epigenetic modifiers (e.g. TET2, DNMT3A, HDAC3, HDAC9, JMJD3, KDM4A) have been identified in epigenetic remodelling of macrophages through DNA methylation or histone modifications (e.g. methylation, acetylation, and recently lactylation) in inflammation. These or many unexplored modifiers function to determine or switch the direction of macrophage polarization via transcriptional reprogramming of gene expression and intracellular metabolic rewiring upon microenvironmental cues, thereby representing a promising target for anti-inflammatory therapy in AS. Here, we review up-to-date findings involving the epigenetic regulation of macrophages to shed light on the mechanism of uncontrolled inflammation during AS onset and progression. We also discuss current challenges for developing an effective and safe anti-AS therapy that targets the epigenetic modifiers and propose a potential anti-inflammatory strategy that repolarizes macrophages from pro- to anti-inflammatory phenotypes.
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Affiliation(s)
- Fengyan Jin
- Department of Hematology, The First Hospital of Jilin University, 71 Xinmin Street, Changchun, Jilin 130012, China
| | - Jian Li
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Beijing Hospital, National Center of Gerontology, National Health Commission, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, 1 Dong Dan Dahua Road, Dong Cheng District, Beijing 100730, China
| | - Jianfeng Guo
- School of Pharmaceutical Sciences, Jilin University, 1163 Xinmin Street, Changchun 130021, Jilin, China
| | - Thorsten R Doeppner
- Department of Neurology, University of Göttingen Medical School, Robert-Koch-Str. 40 37075, Göttingen, Germany
| | - Dirk M Hermann
- Department of Neurology, University Hospital Essen, Hufelandstr. 55, 45122 Essen, Germany
| | - Gang Yao
- Department of Neurology, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun, Jilin 130041, China
| | - Yun Dai
- Laboratory of Cancer Precision Medicine, Institute of Translational Medicine, The First Hospital of Jilin University, 519 Dong Min Zhu Street, Changchun, Jilin 130061, China
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Veiras LC, Cao D, Saito S, Peng Z, Bernstein EA, Shen JZY, Koronyo-Hamaoui M, Okwan-Duodu D, Giani JF, Khan Z, Bernstein KE. Overexpression of ACE in Myeloid Cells Increases Immune Effectiveness and Leads to a New Way of Considering Inflammation in Acute and Chronic Diseases. Curr Hypertens Rep 2020; 22:4. [PMID: 31916032 DOI: 10.1007/s11906-019-1008-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
PURPOSE OF REVIEW To review recent studies exploring how myeloid cell overexpression of angiotensin-converting enzyme (ACE) affects the immune response and to formulate an approach for considering the effectiveness of inflammation in cardiovascular disease RECENT FINDINGS: While it is widely appreciated that the renin-angiotensin system affects aspects of inflammation through the action of angiotensin II, new studies reveal a previously unknown role of ACE in myeloid cell biology. This was apparent from analysis of two mouse lines genetically modified to overexpress ACE in monocytes/macrophages or neutrophils. Cells overexpressing ACE demonstrated an increased immune response. For example, mice with increased macrophage ACE expression have increased resistance to melanoma, methicillin-resistant Staphylococcus aureus, a mouse model of Alzheimer's disease, and ApoE-knockout-induced atherosclerosis. These data indicate the profound effect of increasing myeloid cell function. Further, they suggest that an appropriate way to evaluate inflammation in both acute and chronic diseases is to ask whether the inflammatory infiltrate is sufficient to eliminate the immune challenge. The expression of ACE by myeloid cells induces a heightened immune response by these cells. The overexpression of ACE is associated with immune function beyond that possible by wild type (WT) myeloid cells. A heightened immune response effectively resolves disease in a variety of acute and chronic models of disease including models of Alzheimer's disease and atherosclerosis.
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Affiliation(s)
- Luciana C Veiras
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, 90048, USA
| | - DuoYao Cao
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, 90048, USA
| | - Suguru Saito
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, 90048, USA
| | - Zhenzi Peng
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, 90048, USA
| | - Ellen A Bernstein
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, 90048, USA
| | - Justin Z Y Shen
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, 90048, USA
| | - Maya Koronyo-Hamaoui
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, 90048, USA.,Department of Neurosurgery, Maxine Dunitz Neurosurgical Institute, Cedars-Sinai Medical Center, Los Angeles, CA, 90048, USA
| | - Derick Okwan-Duodu
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, 90048, USA.,Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Davis Research Building, Rm 2021, 110 N George Burns Rd., Los Angeles, CA, 90048, USA
| | - Jorge F Giani
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, 90048, USA.,Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Davis Research Building, Rm 2021, 110 N George Burns Rd., Los Angeles, CA, 90048, USA
| | - Zakir Khan
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, 90048, USA.,Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Davis Research Building, Rm 2021, 110 N George Burns Rd., Los Angeles, CA, 90048, USA
| | - Kenneth E Bernstein
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, 90048, USA. .,Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Davis Research Building, Rm 2021, 110 N George Burns Rd., Los Angeles, CA, 90048, USA.
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5
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Abstract
Atherosclerosis is an inflammatory disease of the vessel wall characterized by activation of the innate immune system, with macrophages as the main players, as well as the adaptive immune system, characterized by a Th1-dominant immune response. Cytokines play a major role in the initiation and regulation of inflammation. In recent years, many studies have investigated the role of these molecules in experimental models of atherosclerosis. While some cytokines such as TNF or IFNγ clearly had atherogenic effects, others such as IL-10 were found to be atheroprotective. However, studies investigating the different cytokines in experimental atherosclerosis revealed that the cytokine system is complex with both disease stage-dependent and site-specific effects. In this review, we strive to provide an overview of the main cytokines involved in atherosclerosis and to shed light on their individual role during atherogenesis.
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Affiliation(s)
- Pascal J H Kusters
- Department of Medical Biochemistry, Academic Medical Center, Amsterdam, The Netherlands
| | - Esther Lutgens
- Department of Medical Biochemistry, Academic Medical Center, L01-146.1, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands.
- Institute for Cardiovascular Prevention (IPEK), Ludwig Maximilians University (LMU), Munich, Germany.
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6
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Abstract
Atherosclerosis is a chronic, multifactorial disease that starts in youth, manifests clinically later in life, and can lead to myocardial infarction, stroke, claudication, and death. Although inflammatory processes have long been known to be involved in atherogenesis, interest in this subject has grown in the past 30-40 years. Animal experiments and human analyses of early atherosclerotic lesions have shown that the first pathogenic event in atherogenesis is the intimal infiltration of T cells at arterial branching points. These T cells recognize heat shock protein (HSP)60, which is expressed together with adhesion molecules by endothelial cells in response to classic risk factors for atherosclerosis. Although these HSP60-reactive T cells initiate atherosclerosis, antibodies to HSP60 accelerate and perpetuate the disease. All healthy humans develop cellular and humoral immunity against microbial HSP60 by infection or vaccination. Given that prokaryotic (bacterial) and eukaryotic (for instance, human) HSP60 display substantial sequence homology, atherosclerosis might be the price we pay for this protective immunity, if risk factors stress the vascular endothelial cells beyond physiological conditions.
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7
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Inflammatory biomarkers for predicting cardiovascular disease. Clin Biochem 2013; 46:1353-71. [PMID: 23756129 DOI: 10.1016/j.clinbiochem.2013.05.070] [Citation(s) in RCA: 112] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2012] [Revised: 05/27/2013] [Accepted: 05/30/2013] [Indexed: 02/07/2023]
Abstract
The pathology of cardiovascular disease (CVD) is complex; multiple biological pathways have been implicated, including, but not limited to, inflammation and oxidative stress. Biomarkers of inflammation and oxidative stress may serve to help identify patients at risk for CVD, to monitor the efficacy of treatments, and to develop new pharmacological tools. However, due to the complexities of CVD pathogenesis there is no single biomarker available to estimate absolute risk of future cardiovascular events. Furthermore, not all biomarkers are equal; the functions of many biomarkers overlap, some offer better prognostic information than others, and some are better suited to identify/predict the pathogenesis of particular cardiovascular events. The identification of the most appropriate set of biomarkers can provide a detailed picture of the specific nature of the cardiovascular event. The following review provides an overview of existing and emerging inflammatory biomarkers, pro-inflammatory cytokines, anti-inflammatory cytokines, chemokines, oxidative stress biomarkers, and antioxidant biomarkers. The functions of each biomarker are discussed, and prognostic data are provided where available.
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8
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Association of IL-4 receptor gene polymorphisms with high density lipoprotein cholesterol. Cytokine 2012; 59:309-12. [DOI: 10.1016/j.cyto.2012.04.023] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2011] [Revised: 03/28/2012] [Accepted: 04/18/2012] [Indexed: 01/16/2023]
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9
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Taube A, Schlich R, Sell H, Eckardt K, Eckel J. Inflammation and metabolic dysfunction: links to cardiovascular diseases. Am J Physiol Heart Circ Physiol 2012; 302:H2148-65. [PMID: 22447947 DOI: 10.1152/ajpheart.00907.2011] [Citation(s) in RCA: 166] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Abdominal obesity is a major risk factor for cardiovascular disease, and recent studies highlight a key role of adipose tissue dysfunction, inflammation, and aberrant adipokine release in this process. An increased demand for lipid storage results in both hyperplasia and hypertrophy, finally leading to chronic inflammation, hypoxia, and a phenotypic change of the cellular components of adipose tissue, collectively leading to a substantially altered secretory output of adipose tissue. In this review we have assessed the adipo-vascular axis, and an overview of adipokines associated with cardiovascular disease is provided. This resulted in a first list of more than 30 adipokines. A deeper analysis only considered adipokines that have been reported to impact on inflammation and NF-κB activation in the vasculature. Out of these, the most prominent link to cardiovascular disease was found for leptin, TNF-α, adipocyte fatty acid-binding protein, interleukins, and several novel adipokines such as lipocalin-2 and pigment epithelium-derived factor. Future work will need to address the potential role of these molecules as biomarkers and/or drug targets.
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Affiliation(s)
- Annika Taube
- Paul Langerhans Group, German Diabetes Center, Duesseldorf, Germany
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10
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Joviliano EE, Piccinato CE, Dellalibera-Joviliano R, Moriya T, Évora PR. Inflammatory Markers and Restenosis in Peripheral Percutaneous Angioplasty With Intravascular Stenting: Current Concepts. Ann Vasc Surg 2011; 25:846-55. [DOI: 10.1016/j.avsg.2011.02.026] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2010] [Revised: 12/16/2010] [Accepted: 02/21/2011] [Indexed: 11/25/2022]
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11
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Ho KT, Shiau MY, Chang YH, Chen CM, Yang SC, Huang CN. Association of interleukin-4 promoter polymorphisms in Taiwanese patients with type 2 diabetes mellitus. Metabolism 2010; 59:1717-22. [PMID: 20580039 DOI: 10.1016/j.metabol.2010.04.010] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2009] [Revised: 03/01/2010] [Accepted: 04/12/2010] [Indexed: 12/17/2022]
Abstract
Many factors have been implicated in the onset of type 2 diabetes mellitus (T2DM). Recently, immune response and inflammation were suggested to play certain roles in the development and complications of T2DM. The aim of this study is to investigate the putative correlation between the promoter polymorphisms of interleukin-4 (IL-4), one of the immune-regulatory type 2 helper T-cell cytokines, and T2DM. Genomic DNA from 425 Taiwanese T2DM patients and 148 nondiabetic control study subjects were extracted, and their IL-4 promoter polymorphisms were analyzed by polymerase chain reaction-restriction fragment length polymorphism. Both of the distribution of IL-4 C-589T (P = .013) and C-34T (P = .05) genotypes were significantly different between T2DM patients and control subjects. Significant association between IL-4 C-589T alleles (P = .002) and T2DM, as well as C-34T alleles and T2DM (P =.024), was also identified. In addition, a statistically significant association between homologous IL-4 -589 C/C genotype and lower circulatory high-density lipoprotein cholesterol levels was observed. Our results suggested that IL-4 promoter polymorphisms are associated with T2DM. A significant association between IL-4 -589 C/C genotype and lower circulatory high-density lipoprotein cholesterol level was observed as well. The above results suggested that IL-4 may participate in lipid metabolism and diabetic susceptibility.
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Affiliation(s)
- Kuo-Ting Ho
- Department of Life Sciences, National Chung Hsing University, Taichung 402, Taiwan, ROC
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12
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Martinez FO, Helming L, Gordon S. Alternative activation of macrophages: an immunologic functional perspective. Annu Rev Immunol 2009; 27:451-83. [PMID: 19105661 DOI: 10.1146/annurev.immunol.021908.132532] [Citation(s) in RCA: 2002] [Impact Index Per Article: 133.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Macrophages are innate immune cells with well-established roles in the primary response to pathogens, but also in tissue homeostasis, coordination of the adaptive immune response, inflammation, resolution, and repair. These cells recognize danger signals through receptors capable of inducing specialized activation programs. The classically known macrophage activation is induced by IFN-gamma, which triggers a harsh proinflammatory response that is required to kill intracellular pathogens. Macrophages also undergo alternative activation by IL-4 and IL-13, which trigger a different phenotype that is important for the immune response to parasites. Here we review the cellular sources of these cytokines, receptor signaling pathways, and induced markers and gene signatures. We draw attention to discrepancies found between mouse and human models of alternative activation. The evidence for in vivo alternative activation of macrophages is also analyzed, with nematode infection as prototypic disease. Finally, we revisit the concept of macrophage activation in the context of the immune response.
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Affiliation(s)
- Fernando O Martinez
- Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, United Kingdom.
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13
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Soliman A, Kee P. Experimental models investigating the inflammatory basis of atherosclerosis. Curr Atheroscler Rep 2008; 10:260-71. [PMID: 18489855 DOI: 10.1007/s11883-008-0040-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Inflammation is considered an important aspect in the development of atherosclerosis. Genetic manipulations of animal models susceptible to atherosclerosis have unraveled the contribution of various inflammatory pathways implicated in the development of atherosclerosis. These inflammatory pathways not only lead to the recruitment and entry of inflammatory cells into the arterial wall, they also modify the morphology and composition of atherosclerotic plaques. Certain inflammatory pathways, such as P-selectin, intercellular adhesion molecule-1, and vascular cell adhesion molecule-1, appear to play an important role in lesion initiation, whereas others, such as interleukin-10 and CD40/CD40 ligand, seem to contribute to lesion progression and morphologic changes. An understanding of these pathways will allow the development of new strategies in the management of atherosclerosis. This review provides a roadmap for better utilization of these models in atherosclerosis research.
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Affiliation(s)
- Ahmed Soliman
- Division of Cardiology, Department of Internal Medicine, The University of Texas Health Science Center at Houston, 6431 Fannin, MSB 1.247, Houston, TX 77030, USA
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14
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Kleemann R, Zadelaar S, Kooistra T. Cytokines and atherosclerosis: a comprehensive review of studies in mice. Cardiovasc Res 2008; 79:360-76. [PMID: 18487233 PMCID: PMC2492729 DOI: 10.1093/cvr/cvn120] [Citation(s) in RCA: 460] [Impact Index Per Article: 28.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
In the past few years, inflammation has emerged as a major driving force of atherosclerotic lesion development. It is now well-established that from early lesion to vulnerable plaque formation, numerous cellular and molecular inflammatory components participate in the disease process. The most prominent cells that invade in evolving lesions are monocyte-derived macrophages and T-lymphocytes. Both cell types produce a wide array of soluble inflammatory mediators (cytokines, chemokines) which are critically important in the initiation and perpetuation of the disease. This review summarizes the currently available information from mouse studies on the contribution of a specified group of cytokines expressed in atherosclerotic lesions, viz. interleukins (IL-1, IL-2, IL-3, IL-4, IL-5, IL-6, IL-10, IL-12, IL-18, IL-20) and macrophage-associated cytokines [tumour necrosis factor-α (TNF-α); macrophage migration inhibitory factor (MIF); interferon-γ (IFN-γ); colony stimulating factors G-CSF,-M-CSF,-GM-CSF) to atherogenesis. Emphasis is put on the consistency of the effects of these cytokines, i.e. inasmuch an effect depends on the experimental approach applied (overexpression/deletion, strain, gender, dietary conditions, and disease stage). An important outcome of this survey is (i) that only for a few cytokines there is sufficient consistent data allowing classifying them as typically proatherogenic (IL-1, IL-12, IL-18, MIF, IFN-γ, TNF-α, and M-CSF) or antiatherogenic (IL-10) and (ii) that some cytokines (IL-4, IL-6 and GM-CSF) can exert pro- or anti-atherogenic effects depending on the experimental conditions. This knowledge can be used for improved early detection, prevention and treatment of atherosclerosis.
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Affiliation(s)
- Robert Kleemann
- TNO-BioSciences, Gaubius-Laboratory, Department of Vascular and Metabolic Diseases, PO Box 2215, 2301 CE Leiden, The Netherlands.
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Interleukin-4 and interleukin-13 stimulate the osteoclast inhibitor osteoprotegerin by human endothelial cells through the STAT6 pathway. J Bone Miner Res 2008; 23:750-8. [PMID: 18251702 DOI: 10.1359/jbmr.080203] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
INTRODUCTION Endothelial cells of the bone vasculature modulate development, remodeling, and repair of bone by secreting osteotropic cytokines and hormones, which can act on osteoblastic and osteoclastic lineage cells. RANKL is the essential factor for differentiation, activation, and survival of osteoclasts, whereas osteoprotegerin (OPG) is a soluble decoy receptor and inhibitor for RANKL. MATERIALS AND METHODS In this study, we analyzed the regulation of OPG by T helper 2 (Th2) cytokines interleukin (IL)-4 and the closely related IL-13 in human umbilical vein endothelial cells (HUVECs), the underlying signaling pathway, and its functional relevance on osteoclastic resorption. RESULTS IL-4 and IL-13 induced OPG mRNA levels and protein secretion in HUVEC by up to 4-fold in a dose- and time-dependent fashion (maximum effect after 48 h and at 10 ng/ml). Activation of the transcription factor STAT6 preceded IL-4-induced OPG expression, and blockade of IL-4-induced STAT6 activation by the phospholipase C-specific inhibitor D609 decreased OPG expression. Soluble IL-4 receptor (sIL-4R) dose-dependently abolished both IL-4-induced STAT6 phosphorylation and OPG expression. RANKL stimulated the activity of osteoclasts, which was antagonized by HUVEC-derived supernatant containing OPG. The inhibitory effect on osteoclastogenesis was completely and specifically abrogated by a neutralizing OPG antibody in unstimulated HUVEC supernatant and partially in IL-4-stimulated HUVEC supernatant. CONCLUSIONS In summary, IL-4 and IL-13 induced OPG expression through activation of STAT6 in endothelial cells, and HUVEC-derived OPG is an IL-4/IL-13-induced inhibitor of osteoclastic resorption. These data underline the impact of Th2 cytokines on bone resorption through modulation of endothelial cell-derived cytokines.
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16
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King VL, Cassis LA, Daugherty A. Interleukin-4 does not influence development of hypercholesterolemia or angiotensin II-induced atherosclerotic lesions in mice. THE AMERICAN JOURNAL OF PATHOLOGY 2007; 171:2040-7. [PMID: 18055554 DOI: 10.2353/ajpath.2007.060857] [Citation(s) in RCA: 96] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Interleukin-4 (IL-4) has been detected in both human and mouse atherosclerotic lesions, although its effects on the development of the disease are undefined. We determined the role of IL-4 in the most commonly used murine models of atherosclerosis by defining the effects of exogenous delivery and genetic deficiency of this cytokine on both hypercholesterolemia and AngII-induced atherosclerosis in apolipoprotein E (apoE)(-/-) mice and different dietary stimuli in low-density lipoprotein (LDL) receptor(-/-) mice. Exogenous administration of IL-4 (1.1 ng g(-1) day(-1) i.p. for 30 days) into female apoE(-/-) mice had no effect on lesion size or composition in mice fed normal or saturated fat diets. Also, IL-4 deficiency had no significant effect on the size or composition of atherosclerotic lesions in two vascular areas of male and female apoE(-/-) mice fed either a normal or saturated fat diet. IL-4 deficiency was also studied in age-matched male mice infused with AngII (1000 ng kg(-1) min(-1)) for 28 days. Whereas AngII infusion augmented atherosclerotic lesion formation, IL-4 deficiency did not influence atherosclerotic lesion size or composition. Finally, different dietary stimuli also had no effect on atherosclerotic lesion size in female LDL receptor(-/-) mice. These data demonstrate that IL-4 does not significantly influence the development of atherosclerotic lesions in apoE(-/-) mice of either gender or in female LDL receptor(-/-) mice, irrespective of the mode of induction of atherosclerosis.
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Affiliation(s)
- Victoria L King
- Cardiovascular Research Center, Wethington Building, Room 562, University of Kentucky, Lexington, KY 40536-0200, USA.
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17
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Wang SS, Schadt EE, Wang H, Wang X, Ingram-Drake L, Shi W, Drake TA, Lusis AJ. Identification of pathways for atherosclerosis in mice: integration of quantitative trait locus analysis and global gene expression data. Circ Res 2007; 101:e11-30. [PMID: 17641228 DOI: 10.1161/circresaha.107.152975] [Citation(s) in RCA: 90] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
We report a combined genetic and genomic analysis of atherosclerosis in a cross between the strains C3H/HeJ and C57BL/6J on a hyperlipidemic apolipoprotein E-null background. We incorporated sex and sex-by-genotype interactions into our model selection procedure to identify 10 quantitative trait loci for lesion size, revealing a level of complexity greater than previously thought. Of the known risk factors for atherosclerosis, plasma triglyceride levels and plasma glucose to insulin ratios were particularly strongly, but negatively, associated with lesion size. We performed expression array analysis for 23,574 transcripts of the livers and adipose tissues of all 334 F2 mice and identified more than 10,000 expression quantitative trait loci that either mapped to the gene encoding the transcript, implying cis regulation, or to a separate locus, implying trans-regulation. The gene expression data allowed us to identify candidate genes that mapped to the atherosclerosis quantitative trait loci and for which the expression was regulated in cis. Genes highly correlated with lesions were enriched in certain known pathways involved in lesion development, including cholesterol metabolism, mitochondrial oxidative phosphorylation, and inflammation. Thus, global gene expression in peripheral tissues can reflect the systemic perturbations that contribute to atherosclerosis.
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Affiliation(s)
- Susanna S Wang
- Department of Human Genetics, University of California at Los Angeles, Los Angeles, CA 90095-1679, USA
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18
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La Flamme AC, Harvie M, Kenwright D, Cameron K, Rawlence N, Low YS, McKenzie S. Chronic exposure to schistosome eggs reduces serum cholesterol but has no effect on atherosclerotic lesion development. Parasite Immunol 2007; 29:259-66. [PMID: 17430549 DOI: 10.1111/j.1365-3024.2007.00942.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Previous studies have shown that people infected with schistosomiasis have lower levels of serum cholesterol than uninfected controls. To better understand the impact of this parasitic infection on serum cholesterol levels and on atherosclerotic lesion development induced by hypercholesterolemia, apolipoprotein E (ApoE)-deficient mice were chronically exposed to the eggs of Schistosoma mansoni over a period of 16 weeks. Total serum cholesterol and low-density lipoprotein (LDL) were reduced in egg-exposed ApoE-deficient mice fed a diet high in cholesterol compared to unexposed controls. However, exposure to eggs had no effect on atherosclerotic lesion size or progression in ApoE-deficient mice. Macrophages isolated from egg-exposed mice had an enhanced ability to take up LDL but not acetylated LDL (acLDL). This study suggests that schistosome eggs alone may alter serum lipid profiles through enhancing LDL uptake by macrophages, but these changes do not ultimately affect atherosclerotic lesion development.
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Affiliation(s)
- A C La Flamme
- School of Biological Sciences, Victoria University of Wellington, Wellington, New Zealand.
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19
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Clancy R, Ren Z, Pang G, Fletcher P, D'Este C. Chronic Chlamydia pneumoniae infection may promote coronary artery disease in humans through enhancing secretion of interleukin-4. Clin Exp Immunol 2007; 146:197-202. [PMID: 17034570 PMCID: PMC1942066 DOI: 10.1111/j.1365-2249.2006.03185.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
Abstract
Atherosclerosis is an inflammatory response, probably to a range of initiating causes. Chronic infection with Chlamydia pneumoniae (C.pn) has been suggested as one cause, but the nature of the association is controversial, in large part due to lack of an identified mechanism to link infection with the atherosclerotic process in man. This study examined 139 consecutive subjects with stable chest pain, with the aim of correlating the serological status of C.pn infection with the pattern of secretion of cytokines from CD4(+) T lymphocytes. C.pn seropositive subjects secreted significantly more interleukin (IL)-4 than did those who were C.pn seronegative (P = 0.02). No significant difference was noted for secreted interferon (IFN)-gamma. The amount of secreted IL-4, but not of secreted IFN-gamma, correlated positively with the extent of coronary artery disease (P = 0.006). A similar correlation with secreted IL-4 was not identified with Helicobacter pylori infection. These results support the hypothesis that C.pn infection contributes to the inflammatory process responsible for coronary artery atherosclerosis. The method used to detect cytokine secretion involves ligation of CD40L on blood CD4(+) T cells, which may have relevance to tissue events.
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Affiliation(s)
- R Clancy
- Immunology Unit, Hunter Area Pathology Service, John Hunter Hospital, Newcastle, NSW, Australia.
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20
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Abstract
Atherosclerosis is a chronic disease of the arterial wall where both innate and adaptive immunoinflammatory mechanisms are involved. Inflammation is central at all stages of atherosclerosis. It is implicated in the formation of early fatty streaks, when the endothelium is activated and expresses chemokines and adhesion molecules leading to monocyte/lymphocyte recruitment and infiltration into the subendothelium. It also acts at the onset of adverse clinical vascular events, when activated cells within the plaque secrete matrix proteases that degrade extracellular matrix proteins and weaken the fibrous cap, leading to rupture and thrombus formation. Cells involved in the atherosclerotic process secrete and are activated by soluble factors, known as cytokines. Important recent advances in the comprehension of the mechanisms of atherosclerosis provided evidence that the immunoinflammatory response in atherosclerosis is modulated by regulatory pathways, in which the two anti-inflammatory cytokines interleukin-10 and transforming growth factor-β play a critical role. The purpose of this review is to bring together the current information concerning the role of cytokines in the development, progression, and complications of atherosclerosis. Specific emphasis is placed on the contribution of pro- and anti-inflammatory cytokines to pathogenic (innate and adaptive) and regulatory immunity in the context of atherosclerosis. Based on our current knowledge of the role of cytokines in atherosclerosis, we propose some novel therapeutic strategies to combat this disease. In addition, we discuss the potential of circulating cytokine levels as biomarkers of coronary artery disease.
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Affiliation(s)
- Alain Tedgui
- Institut National de la Santé et de la Recherche Médicale U. 689, Cardiovascular Research Center Lariboisiere, and University Paris 7, Paris, France.
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Rosso R, Roth A, Herz I, Miller H, Keren G, George J. Serum levels of interleukin-18 in patients with stable and unstable angina pectoris. Int J Cardiol 2005; 98:45-8. [PMID: 15676165 DOI: 10.1016/j.ijcard.2003.08.020] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2003] [Revised: 07/28/2003] [Accepted: 08/11/2003] [Indexed: 11/22/2022]
Abstract
Recent evidence suggests that atherosclerosis is an inflammatory disorder in which cytokines appear to play an important role. Special attention centered over the possible contribution of cytokines to the destabilization of the plaque. IL-18 is a proinflammatory cytokine of the IL-1 family, recognized for its ability to promote IFN-gamma secretion. It has recently been detected in human plaques and its administration was associated with increased atherosclerosis in apolipoprotein E (apoE) mice concomitant with an increase in plaque infiltrating inflammatory cells. In our study, we investigated whether patients with established atherosclerosis, with either stable or unstable angina, possessed high levels of IL-18. Patients with stable angina (n=48) were from the outpatient clinic whereas patients with unstable angina (n=73) were recruited upon admission and prior to performance of coronary angiography. Control patients (n=19) were healthy subjects with no evidence of coronary artery disease. Serum levels of IL-18 were assayed by ELISA. Patients with stable and unstable angina exhibited higher serum levels of IL-18 (77.1+/-7.2 and 61.5+/-5.1 pg/ml, respectively) in comparison to control subjects (p=0.002 and p=0.02, respectively). However, levels of IL-18 did not differ significantly between patients with stable and unstable angina. No differences were evident in the serum concentrations of IL-18 in patients with unstable angina (n=17) upon admission and 1-3 months later when the angina was already controlled. Although IL-18 serum levels appear elevated in the presence of coronary atherosclerosis, there is no evidence to associate this progression towards plaque instability.
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Affiliation(s)
- Rafael Rosso
- Department of Cardiology, Tel Aviv Sourasky Medical Center, Tel Aviv University, Tel Aviv, Israel
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22
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Abstract
This review focuses on the role of monocytes in the early phase of atherogenesis, before foam cell formation. An emerging consensus underscores the importance of the cellular inflammatory system in atherogenesis. Initiation of the process apparently hinges on accumulating low-density lipoproteins (LDL) undergoing oxidation and glycation, providing stimuli for the release of monocyte attracting chemokines and for the upregulation of endothelial adhesive molecules. These conditions favor monocyte transmigration to the intima, where chemically modified, aggregated, or proteoglycan- or antibody-complexed LDL may be endocytotically internalized via scavenger receptors present on the emergent macrophage surface. The differentiating monocytes in concert with T lymphocytes exert a modulating effect on lipoproteins. These events propagate a series of reactions entailing generation of lipid peroxides and expression of chemokines, adhesion molecules, cytokines, and growth factors, thereby sustaining an ongoing inflammatory process leading ultimately to lesion formation. New data emerging from studies using transgenic animals, notably mice, have provided novel insights into many of the cellular interactions and signaling mechanisms involving monocytes/macrophages in the atherogenic processes. A number of these studies, focusing on mechanisms for monocyte activation and the roles of adhesive molecules, chemokines, cytokines and growth factors, are addressed in this review.
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Affiliation(s)
- Bjarne Osterud
- Department of Biochemistry, Institute of Medical Biology, Faculty of Medicine, University of Tromsø, Tromsø, Norway.
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Davenport P, Tipping PG. The role of interleukin-4 and interleukin-12 in the progression of atherosclerosis in apolipoprotein E-deficient mice. THE AMERICAN JOURNAL OF PATHOLOGY 2003; 163:1117-25. [PMID: 12937153 PMCID: PMC1868277 DOI: 10.1016/s0002-9440(10)63471-2] [Citation(s) in RCA: 327] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Accumulation of T cells and macrophages in atherosclerotic plaques and the formation of antibodies directed against plaque proteins suggests that adaptive immunity contributes to the development of atherosclerosis. The contribution of Th1 and Th2 helper cell subsets to atherogenesis was studied in a murine model by interbreeding apolipoprotein E-deficient (apoE(-/-)) mice with mice deficient in key cytokines that drive either Th1 responses [interleukin (IL)-12] or Th2 responses (IL-4). Compared to apoE(-/-) mice, apoE(-/-)/IL-12(-/-) mice had a 52% reduction in plaque area in the aortic root at 30 weeks of age (P < 0.001). ApoE(-/-)/IL-4(-/-) mice had a 27% reduction in plaque area compared to apoE(-/-) mice (P < 0.05) at 30 weeks of age, but their plaques were significantly larger than in apoE(-/-)/IL-12(-/-) mice at this stage (P < 0.05). By 45 weeks of age, there were no significant differences in lesion sizes in the aortic root between the strains, however apoE(-/-)/IL-4(-/-) mice showed a 58% and 64% decrease in disease in their aortic arch compared to apoE(-/-) (P < 0.05) and apoE(-/-)/IL-12(-/-) (P < 0.05) mice, respectively, and a 78% decrease in thoracic lesions compared to apoE(-/-)/IL-12(-/-) (P < 0.05). This suggests that both Th1 and Th2 cytokines play roles throughout the development of atherosclerosis in various vascular sites in apoE(-/-) mice.
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Affiliation(s)
- Piers Davenport
- Centre for Inflammatory Diseases, Department of Medicine, Monash University, Monash Medical Centre Level 5 Block E, 246 Clayton Road, Clayton, Victoria, Australia 3168.
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von der Thüsen JH, Kuiper J, van Berkel TJC, Biessen EAL. Interleukins in atherosclerosis: molecular pathways and therapeutic potential. Pharmacol Rev 2003; 55:133-66. [PMID: 12615956 DOI: 10.1124/pr.55.1.5] [Citation(s) in RCA: 147] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Interleukins are considered to be key players in the chronic vascular inflammatory response that is typical of atherosclerosis. Thus, the expression of proinflammatory interleukins and their receptors has been demonstrated in atheromatous tissue, and the serum levels of several of these cytokines have been found to be positively correlated with (coronary) arterial disease and its sequelae. In vitro studies have confirmed the involvement of various interleukins in pro-atherogenic processes, such as the up-regulation of adhesion molecules on endothelial cells, the activation of macrophages, and smooth muscle cell proliferation. Furthermore, studies in mice deficient or transgenic for specific interleukins have demonstrated that, whereas some interleukins are indeed intrinsically pro-atherogenic, others may have anti-atherogenic qualities. As the roles of individual interleukins in atherosclerosis are being uncovered, novel anti-atherogenic therapies, aimed at the modulation of interleukin function, are being explored. Several approaches have produced promising results in this respect, including the transfer of anti-inflammatory interleukins and the administration of decoys and antibodies directed against proinflammatory interleukins. The chronic nature of the disease and the generally pleiotropic effects of interleukins, however, will demand high specificity of action and/or effective targeting to prevent the emergence of adverse side effects with such treatments. This may prove to be the real challenge for the development of interleukin-based anti-atherosclerotic therapies, once the mediators and their targets have been delineated.
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Affiliation(s)
- Jan H von der Thüsen
- Division of Biopharmaceutics, Leiden/Amsterdam Center for Drug Research, Leiden, The Netherlands.
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25
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Cytokines and the pathogenesis of atherosclerosis. ACTA ACUST UNITED AC 2002. [DOI: 10.1016/s1566-3124(02)11027-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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