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Noonan J, Grassia G, MacRitchie N, Garside P, Guzik TJ, Bradshaw AC, Maffia P. A Novel Triple-Cell Two-Dimensional Model to Study Immune-Vascular Interplay in Atherosclerosis. Front Immunol 2019; 10:849. [PMID: 31068936 PMCID: PMC6491724 DOI: 10.3389/fimmu.2019.00849] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2018] [Accepted: 04/01/2019] [Indexed: 12/31/2022] Open
Abstract
Atherosclerosis is a complex inflammatory pathology underpinning cardiovascular diseases (CVD), which are the leading cause of death worldwide. The interplay between vascular stromal cells and immune cells is fundamental to the progression and outcome of atherosclerotic disease, however, the majority of in vitro studies do not consider the implications of these interactions and predominantly use mono-culture approaches. Here we present a simple and robust methodology involving the co-culture of vascular endothelial (ECs) and smooth muscle cells (SMCs) alongside an inflammatory compartment, in our study containing THP-1 macrophages, for studying these complex interactions. Using this approach, we demonstrate that the interaction between vascular stromal and immune cells produces unique cellular phenotypes and soluble mediator profiles not observed in double-cell 2D cultures. Our results highlight the importance of cellular communication and support the growing idea that in vitro research must evolve from mono-culture systems to provide data more representative of the multi-cellular environment found in vivo. The methodology presented, in comparison with established approaches, has the advantage of being technically simple whilst enabling the isolation of pure populations of ECs, SMCs and immune cells directly from the co-culture without cell sorting. The approach described within would be applicable to those studying mechanisms of vascular inflammation, particularly in relation to understanding the impact cellular interaction has on the cumulative immune-vascular response to atherogenic or inflammatory stimuli.
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Affiliation(s)
- Jonathan Noonan
- Centre for Immunobiology, College of Medical, Veterinary and Life Sciences, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom
| | - Gianluca Grassia
- Centre for Immunobiology, College of Medical, Veterinary and Life Sciences, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom
| | - Neil MacRitchie
- Centre for Immunobiology, College of Medical, Veterinary and Life Sciences, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom
| | - Paul Garside
- Centre for Immunobiology, College of Medical, Veterinary and Life Sciences, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom
| | - Tomasz J Guzik
- College of Medical, Veterinary and Life Sciences, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, United Kingdom.,Department of Internal and Agricultural Medicine, Jagiellonian University College of Medicine, Kraków, Poland
| | - Angela C Bradshaw
- College of Medical, Veterinary and Life Sciences, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Pasquale Maffia
- Centre for Immunobiology, College of Medical, Veterinary and Life Sciences, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom.,College of Medical, Veterinary and Life Sciences, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, United Kingdom.,Department of Pharmacy, University of Naples Federico II, Naples, Italy
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52
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Zhang X, Liu F, Bai P, Dong N, Chu C. Identification of key genes and pathways contributing to artery tertiary lymphoid organ development in advanced mouse atherosclerosis. Mol Med Rep 2019; 19:3071-3086. [PMID: 30816519 PMCID: PMC6423582 DOI: 10.3892/mmr.2019.9961] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 02/12/2019] [Indexed: 01/13/2023] Open
Abstract
Atherosclerosis is a leading cause of mortality worldwide. Artery tertiary lymphoid organ (ATLO) neogenesis is affected by abdominal aorta atherosclerosis, which may lead to an immune response. The present study obtained microarray data to investigate the gene expression differences underlying the potential pathogenesis of atherosclerosis and to elucidate the mechanisms underlying ATLO development. Microarray studies of the aorta, plaques, adventitia, blood, spleen, renal lymph nodes and ATLO were downloaded from the Gene Expression Omnibus database. Differentially expressed genes (DEGs) were identified in aorta clusters and ATLO clusters. Kyoto Encyclopedia of Genes and Genomes enrichment and Gene Ontology (GO) analyses were conducted to predict the biological functions of DEGs. The results demonstrated that interleukin 7 receptor (Il7r), C‑X‑C motif chemokine ligand (Cxcl)16, Cxcl13, Cxcl12, C‑C motif chemokine receptor 2, C‑C motif chemokine ligand (Ccl)8, Ccl5 and Ccl12 may function through pathways associated with 'cytokine‑cytokine receptor interaction' and 'chemokine signaling pathway' in ATLO. Gene expression alterations were validated by reverse transcription‑quantitative polymerase chain reaction. Il7r appeared to be the central gene involved in these events, and chemokines and/or chemokine receptors were visualized by GO enrichment. A protein‑protein interaction network was constructed, which suggested that Il7r had a core function in all clusters. Taken together, the results indicated that Il7r upregulation may serve an important role in ATLO development via 'cytokine‑cytokine receptor interaction' and 'chemokine signaling pathway'. This may provide novel perspectives for understanding ATLO development and the regulation of the immune response in atherosclerosis.
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Affiliation(s)
- Xi Zhang
- Institute for Cardiovascular Prevention, Ludwig‑Maximilians University Munich, D‑80336 Munich, Germany
| | - Fayuan Liu
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Peng Bai
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Nianguo Dong
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Chong Chu
- Institute for Cardiovascular Prevention, Ludwig‑Maximilians University Munich, D‑80336 Munich, Germany
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53
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Koulouri V, Koutsilieris M, Mavragani CP. B cells and atherosclerosis in systemic lupus erythematosus. Expert Rev Clin Immunol 2019; 15:417-429. [DOI: 10.1080/1744666x.2019.1571411] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Vasiliki Koulouri
- Department of Physiology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Michael Koutsilieris
- Department of Physiology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Clio P. Mavragani
- Department of Physiology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
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54
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Graver JC, Boots AMH, Haacke EA, Diepstra A, Brouwer E, Sandovici M. Massive B-Cell Infiltration and Organization Into Artery Tertiary Lymphoid Organs in the Aorta of Large Vessel Giant Cell Arteritis. Front Immunol 2019; 10:83. [PMID: 30761147 PMCID: PMC6361817 DOI: 10.3389/fimmu.2019.00083] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Accepted: 01/11/2019] [Indexed: 11/30/2022] Open
Abstract
Giant cell arteritis (GCA) can be classified into Cranial(C)-GCA and Large Vessel(LV)-GCA. Based on analysis of temporal arteries, GCA is postulated to be T-cell-mediated. Recently, a disturbed B-cell homeostasis was documented in newly diagnosed GCA patients. In the current study, we assessed the presence of B-cells and their level of ectopic organization in the aorta of LV-GCA patients. Aorta tissue samples of 9 histologically-proven LV-GCA patients and 22 age- and sex-matched atherosclerosis patients who underwent aortic aneurysm surgery were studied by immunohistochemistry. Sections were stained for B-cells, T-cells, follicular dendritic cells, high endothelial venules, germinal center B-cells, proliferating B-cells, macrophages, and plasma cells. Aortas of LV-GCA patients showed massive infiltration of B-cells, which clearly outnumbered T-cells, as opposed to C-GCA patients where, as previously reported, T-cells outnumber B-cells. B-cells were mainly found in the adventitia of the vessel wall and were organized into artery tertiary lymphoid organs. These tertiary lymphoid organs had germinal centers, proliferating B-cells and plasma cell niches. In conclusion, we found massive and organized B-cell infiltrates in the aorta of LV-GCA patients, which is in line with the previously documented decrease of circulating B-cells in active GCA. Our data indicate a role for B-cells in the pathogenesis of GCA and thus evoke further investigation into the factors determining the tissue tropism and organization of B-cells in GCA.
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Affiliation(s)
- Jacoba C Graver
- Department Rheumatology and Clinical Immunology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Annemieke M H Boots
- Department Rheumatology and Clinical Immunology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Erlin A Haacke
- Department Rheumatology and Clinical Immunology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands.,Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Arjan Diepstra
- Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Elisabeth Brouwer
- Department Rheumatology and Clinical Immunology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Maria Sandovici
- Department Rheumatology and Clinical Immunology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
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55
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Barron AMS, Mantero JC, Ho JD, Nazari B, Horback KL, Bhawan J, Lafyatis R, Lam C, Browning JL. Perivascular Adventitial Fibroblast Specialization Accompanies T Cell Retention in the Inflamed Human Dermis. THE JOURNAL OF IMMUNOLOGY 2018; 202:56-68. [PMID: 30510068 DOI: 10.4049/jimmunol.1801209] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Accepted: 10/29/2018] [Indexed: 12/12/2022]
Abstract
Perivascular accumulation of lymphocytes can be a prominent histopathologic feature of various human inflammatory skin diseases. Select examples include systemic sclerosis, spongiotic dermatitis, and cutaneous lupus. Although a large body of work has described various aspects of the endothelial and vascular smooth muscle layers in these diseases, the outer adventitial compartment is poorly explored. The goal of the current study was to characterize perivascular adventitial fibroblast states in inflammatory human skin diseases and relate these states to perivascular lymphocyte accumulation. In normal skin, adventitial fibroblasts are distinguished by CD90 expression, and dense perivascular lymphocytic infiltrates are uncommon. In systemic sclerosis, this compartment expands, but lymphocyte infiltrates remain sparse. In contrast, perivascular adventitial fibroblast expression of VCAM1 is upregulated in spongiotic dermatitis and lupus and is associated with a dense perivascular T cell infiltrate. VCAM1 expression marks transitioned fibroblasts that show some resemblance to the reticular stromal cells in secondary lymphoid organs. Expanded adventitial compartments with perivascular infiltrates similar to the human settings were not seen in the inflamed murine dermis. This species difference may hinder the dissection of aspects of perivascular adventitial pathology. The altered perivascular adventitial compartment and its associated reticular network form a niche for lymphocytes and appear to be fundamental in the development of an inflammatory pattern.
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Affiliation(s)
- Alexander M S Barron
- Department of Microbiology, Boston University School of Medicine, Boston, MA 02118
| | - Julio C Mantero
- Department of Microbiology, Boston University School of Medicine, Boston, MA 02118
| | - Jonathan D Ho
- Department of Dermatology, Boston University School of Medicine, Boston, MA 02118
| | - Banafsheh Nazari
- Section of Rheumatology, Boston University School of Medicine, Boston, MA 02118
| | - Katharine L Horback
- Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115; and
| | - Jag Bhawan
- Department of Dermatology, Boston University School of Medicine, Boston, MA 02118
| | - Robert Lafyatis
- Section of Rheumatology, Boston University School of Medicine, Boston, MA 02118.,Division of Rheumatology and Clinical Immunology, University of Pittsburgh Medical Center, Pittsburgh, PA 15213
| | - Christina Lam
- Department of Dermatology, Boston University School of Medicine, Boston, MA 02118
| | - Jeffrey L Browning
- Department of Microbiology, Boston University School of Medicine, Boston, MA 02118; .,Section of Rheumatology, Boston University School of Medicine, Boston, MA 02118
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56
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Getz GS, Reardon CA. T Cells in Atherosclerosis in Ldlr-/- and Apoe-/- Mice. JOURNAL OF IMMUNOLOGICAL SCIENCES 2018; 2:69-76. [PMID: 30854522 PMCID: PMC6404748 DOI: 10.29245/2578-3009/2018/3.1144] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Atherosclerosis is the underlying basis for most cardiovascular diseases. It is a chronic inflammation affecting the arterial intima and is promoted by hypercholesterolemia. Cells of both the innate and adaptive immune systems contribute to this inflammation with macrophages and T cells being the most abundant immune cells in the atherosclerotic plaques. In this review, we discuss the studies that examined the role of T cells and T cell subsets in Apoe-/- and Ldlr-/- murine models of atherosclerosis. While there is a general consensus that Th1 cells are pro-atherogenic and regulatory T cells are atheroprotective, the role of other subsets is more ambiguous. In addition, the results in the two models of atherosclerosis do not always yield similar results. Additional studies in the two murine models using cell specific gene manipulations are needed.
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Affiliation(s)
- Godfrey S. Getz
- Department of Pathology, The University of Chicago, Chicago, IL 60637, USA
| | - Catherine A. Reardon
- Ben May Institute for Cancer Research, The University of Chicago, Chicago, IL 60637, USA
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57
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Sima P, Vannucci L, Vetvicka V. Atherosclerosis as autoimmune disease. ANNALS OF TRANSLATIONAL MEDICINE 2018; 6:116. [PMID: 29955576 DOI: 10.21037/atm.2018.02.02] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
No attention is usually focused on the possible involvement of immune mechanisms, particularly of autoimmunity, on the development and progress of atherosclerosis. The pioneering work occurring almost 50 years ago was overlooked, and the idea of atherosclerosis as an autoimmune disease only started gaining traction about 10 years ago. Our review discusses the recent findings and offers insights into the possibility that alterations of the immune system play a significant role in the development of atherosclerosis.
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Affiliation(s)
- Petr Sima
- Institute of Microbiology, Laboratory of Immunotherapy, Prague, Czech
| | - Luca Vannucci
- Institute of Microbiology, Laboratory of Immunotherapy, Prague, Czech
| | - Vaclav Vetvicka
- University of Louisville, Department of Pathology, Louisville, KY, USA
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58
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Nus M, Tsiantoulas D, Mallat Z. Plan B (-cell) in atherosclerosis. Eur J Pharmacol 2017; 816:76-81. [PMID: 28882560 DOI: 10.1016/j.ejphar.2017.09.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 08/31/2017] [Accepted: 09/01/2017] [Indexed: 11/18/2022]
Abstract
Atherosclerosis is a leading cause of death worldwide. It is a complex chronic inflammatory disease involving interactions between vascular, circulating and immune cells. B cells play an important role in chronic inflammation producing antibodies and regulating T and natural killer (NKT) cell activation. The role of B cells in atherosclerosis is complex, with atherogenic and protective roles assigned for distinct B cell subsets. Drugs that deplete B cells or modulate their functions are now used in the treatment of various autoimmune diseases in humans. Here, we briefly review the roles of B cell subsets in atherogenesis, and emphasize the potential impact of B cell targeted therapies on the cardiovascular risk of treated patients. Developing more B cell subset-specific therapies would lead to more effective treatments with enhanced safety profile.
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Affiliation(s)
- Meritxell Nus
- Department of Medicine, Division of Cardiovascular Medicine, University of Cambridge, Cambridge, UK
| | - Dimitrios Tsiantoulas
- Department of Medicine, Division of Cardiovascular Medicine, University of Cambridge, Cambridge, UK
| | - Ziad Mallat
- Department of Medicine, Division of Cardiovascular Medicine, University of Cambridge, Cambridge, UK; Institut National de la Santé et de la Recherche Médicale, U970 Paris, France.
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59
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Liu J, Kumar S, Dolzhenko E, Alvarado GF, Guo J, Lu C, Chen Y, Li M, Dessing MC, Parvez RK, Cippà PE, Krautzberger AM, Saribekyan G, Smith AD, McMahon AP. Molecular characterization of the transition from acute to chronic kidney injury following ischemia/reperfusion. JCI Insight 2017; 2:94716. [PMID: 28931758 PMCID: PMC5612583 DOI: 10.1172/jci.insight.94716] [Citation(s) in RCA: 188] [Impact Index Per Article: 26.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Accepted: 08/10/2017] [Indexed: 12/16/2022] Open
Abstract
Though an acute kidney injury (AKI) episode is associated with an increased risk of chronic kidney disease (CKD), the mechanisms determining the transition from acute to irreversible chronic injury are not well understood. To extend our understanding of renal repair, and its limits, we performed a detailed molecular characterization of a murine ischemia/reperfusion injury (IRI) model for 12 months after injury. Together, the data comprising RNA-sequencing (RNA-seq) analysis at multiple time points, histological studies, and molecular and cellular characterization of targeted gene activity provide a comprehensive profile of injury, repair, and long-term maladaptive responses following IRI. Tubular atrophy, interstitial fibrosis, inflammation, and development of multiple renal cysts were major long-term outcomes of IRI. Progressive proximal tubular injury tracks with de novo activation of multiple Krt genes, including Krt20, a biomarker of renal tubule injury. RNA-seq analysis highlights a cascade of temporal-specific gene expression patterns related to tubular injury/repair, fibrosis, and innate and adaptive immunity. Intersection of these data with human kidney transplant expression profiles identified overlapping gene expression signatures correlating with different stages of the murine IRI response. The comprehensive characterization of incomplete recovery after ischemic AKI provides a valuable resource for determining the underlying pathophysiology of human CKD.
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Affiliation(s)
- Jing Liu
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California, USA
| | - Sanjeev Kumar
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California, USA.,Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Egor Dolzhenko
- Molecular and Computational Biology, Division of Biological Sciences, University of Southern California, Los Angeles, California, USA
| | - Gregory F Alvarado
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California, USA
| | - Jinjin Guo
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California, USA
| | - Can Lu
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California, USA
| | - Yibu Chen
- Norris Medical Library, University of Southern California, Los Angeles, California
| | - Meng Li
- Norris Medical Library, University of Southern California, Los Angeles, California
| | - Mark C Dessing
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California, USA
| | - Riana K Parvez
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California, USA
| | - Pietro E Cippà
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California, USA
| | - A Michaela Krautzberger
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California, USA
| | - Gohar Saribekyan
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California, USA
| | - Andrew D Smith
- Molecular and Computational Biology, Division of Biological Sciences, University of Southern California, Los Angeles, California, USA
| | - Andrew P McMahon
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California, USA
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60
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Domschke G, Gleissner CA. CXCL4-induced macrophages in human atherosclerosis. Cytokine 2017; 122:154141. [PMID: 28899579 DOI: 10.1016/j.cyto.2017.08.021] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Revised: 08/10/2017] [Accepted: 08/28/2017] [Indexed: 01/11/2023]
Abstract
Atherosclerosis is considered an inflammatory disease of the arterial wall. Monocytes and monocyte-derived cells (most often termed macrophages) play an essential role in the formation of atherosclerotic lesions, as they take up lipids leading to subsequent foam cell formation accompanied by release of pro-inflammatory cytokines. Similarly, platelets have been discovered to represent an important cell type mediating inflammatory and immune processes in atherogenesis, mainly by secreting chemokines, which are stored in the platelets' alpha granules, upon platelet activation. Therefore, the interaction between monocyte-derived cells and platelets is of exceptional importance. In this review, we specifically focus on the chemokine (platelet factor-4, PF4) and its effects on monocytes and monocyte-derived cells. By formation of heterodimers dimers and -oligomers with CCL5, CXCL4 induces binding of monocytes cells to endothelial cell and thereby promotes diapedesis of monocytes into the subendothelial space. CXCL4 also affects the differentiation of monocytes as it induces a specific macrophage phenotype, which we suggested to term "M4". For example, CXCL4-induced macrophages irreversibly lose the hemoglobin-haptoglobin scavenger receptor CD163. The combination of CD68, S100A8, and MMP7 turned out to reliably identify M4 macrophages both in vitro and in vivo within atherosclerotic lesions. In human atherosclerotic plaques, M4 macrophages are predominantly present in the adventitia and the intima and their prevalence is associated with plaque instability suggesting that they are a marker of pro-inflammatory activity. Overall, CXCL4-induced M4 macrophages may represent a target for diagnostic and therapeutic interventions in human atherosclerotic disease.
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Affiliation(s)
- Gabriele Domschke
- Dept. of Cardiology, Angiology and Pneumonology, Heidelberg University Hospital, Im Neuenheimer Feld 410, 69120 Heidelberg, Germany
| | - Christian A Gleissner
- Dept. of Cardiology, Angiology and Pneumonology, Heidelberg University Hospital, Im Neuenheimer Feld 410, 69120 Heidelberg, Germany.
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61
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Akhavanpoor M, Gleissner CA, Akhavanpoor H, Lasitschka F, Doesch AO, Katus HA, Erbel C. Adventitial tertiary lymphoid organ classification in human atherosclerosis. Cardiovasc Pathol 2017; 32:8-14. [PMID: 29078120 DOI: 10.1016/j.carpath.2017.08.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Revised: 08/25/2017] [Accepted: 08/26/2017] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Atherosclerosis is a chronic inflammatory disease of the arterial wall. Adjacent to lamina intima lesion progression, a cellular compound develops in the lamina adventitia, defined as tertiary lymphoid organs (TLO) in mice. But in human system, it remains unknown whether these adventitial cellular accumulations represent these highly organized immunological structures. PATIENTS AND METHODS In this study, we investigated whether the adventitial cellular compounds represent TLOs in 72 human coronary artery samples by immunoenzyme staining. RESULTS The study showed that the adventitial cellular compound partly represented TLOs in human coronary arteries affected by atherogenesis in patients suffering from ischemic heart disease (56%) or a fatal myocardial infarction (100%), but not dilated cardiomyopathy. In addition, we established a classification for human TLOs, stage I-III, and showed that all stages were present in diseased coronary arteries. The stage of TLOs highly correlated with lesion size as well as plaque instability and rupture, and all patients with a myocardial infarction had stage III. Additionally, there were cellular infiltration and destruction of the lamina media, which were restricted to TLOs next to ruptured plaques in patients with a fatal myocardial infarction. CONCLUSIONS TLOs are present in patients with a coronary artery disease and highly correlated with lesion size, plaque instability, and rupture. Further studies are needed to investigate whether TLOs might be a specific diagnostic and drug target to modify plaque instability/rupture.
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Affiliation(s)
- Mohammadreza Akhavanpoor
- Department of Cardiology, University of Heidelberg, Germany; DZHK (German Centre for Cardiovascular Research), partner site Heidelberg, Mannheim, Germany
| | - Christian A Gleissner
- Department of Cardiology, University of Heidelberg, Germany; DZHK (German Centre for Cardiovascular Research), partner site Heidelberg, Mannheim, Germany
| | - Hamidreza Akhavanpoor
- Department of Cardiology, University of Heidelberg, Germany; DZHK (German Centre for Cardiovascular Research), partner site Heidelberg, Mannheim, Germany
| | | | - Andreas O Doesch
- Department of Cardiology, University of Heidelberg, Germany; DZHK (German Centre for Cardiovascular Research), partner site Heidelberg, Mannheim, Germany
| | - Hugo A Katus
- Department of Cardiology, University of Heidelberg, Germany; DZHK (German Centre for Cardiovascular Research), partner site Heidelberg, Mannheim, Germany
| | - Christian Erbel
- Department of Cardiology, University of Heidelberg, Germany; DZHK (German Centre for Cardiovascular Research), partner site Heidelberg, Mannheim, Germany.
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62
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Foks AC, Kuiper J. Immune checkpoint proteins: exploring their therapeutic potential to regulate atherosclerosis. Br J Pharmacol 2017; 174:3940-3955. [PMID: 28369782 DOI: 10.1111/bph.13802] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 02/17/2017] [Accepted: 03/15/2017] [Indexed: 12/23/2022] Open
Abstract
The immune system provides a large variety of immune checkpoint proteins, which involve both costimulatory and inhibitory proteins. Costimulatory proteins can promote cell survival, cell cycle progression and differentiation to effector and memory cells, whereas inhibitory proteins terminate these processes to halt ongoing inflammation. Immune checkpoint proteins play a pivotal role in atherosclerosis by regulating the activation and proliferation of various immune and non-immune cells, such as T-cells, macrophages and platelets. Upon activation within the atherosclerotic lesions or in secondary lymphoid organs, these cells produce large amounts of pro-atherogenic cytokines that contribute to the growth and destabilization of lesions, which can result in rupture of the lesion causing acute coronary syndromes, such as a myocardial infarction. Given the presence and regulatory capacity of immune checkpoint proteins in the circulation and atherosclerotic lesions of cardiovascular patients, modulation of these proteins by, for example, the use of monoclonal antibodies, offers unique opportunities to regulate pro-inflammatory immune responses in atherosclerosis. In this review, we highlight the latest advances on the role of immune checkpoint proteins, such as OX40-OX40L, CTLA-4 and TIM proteins, in atherosclerosis and discuss their therapeutic potential as promising immunotherapies to treat or prevent cardiovascular disease. LINKED ARTICLES This article is part of a themed section on Targeting Inflammation to Reduce Cardiovascular Disease Risk. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v174.22/issuetoc and http://onlinelibrary.wiley.com/doi/10.1111/bcp.v82.4/issuetoc.
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Affiliation(s)
- A C Foks
- Division of Biopharmaceutics, LACDR, Leiden University, Leiden, The Netherlands
| | - J Kuiper
- Division of Biopharmaceutics, LACDR, Leiden University, Leiden, The Netherlands
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63
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Srikakulapu P, McNamara CA. B cells and atherosclerosis. Am J Physiol Heart Circ Physiol 2017; 312:H1060-H1067. [PMID: 28314764 DOI: 10.1152/ajpheart.00859.2016] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Revised: 03/08/2017] [Accepted: 03/13/2017] [Indexed: 12/14/2022]
Abstract
B cells have emerged as important immune cells in cardiovascular disease. Initial studies have suggested that B cells protect against atherosclerosis development. However, subsequent studies demonstrating aggravation of atherosclerosis by B-2 cells have shed light on the subset-dependent effects of B cells. Here, we review the literature that has led to our current understanding of B cell regulation of atherosclerosis, touching on the importance of subsets, local regulation, human translation, and therapeutic potential.
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Affiliation(s)
| | - Coleen A McNamara
- Cardiovascular Research Center, Charlottesville, Virginia; and.,Division of Cardiovascular Medicine, Department of Medicine, University of Virginia, Charlottesville, Virginia
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Hughes CE, Benson RA, Bedaj M, Maffia P. Antigen-Presenting Cells and Antigen Presentation in Tertiary Lymphoid Organs. Front Immunol 2016; 7:481. [PMID: 27872626 PMCID: PMC5097899 DOI: 10.3389/fimmu.2016.00481] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2016] [Accepted: 10/20/2016] [Indexed: 12/18/2022] Open
Abstract
Tertiary lymphoid organs (TLOs) form in territorialized niches of peripheral tissues characterized by the presence of antigens; however, little is known about mechanism(s) of antigen handling by ectopic lymphoid structures. In this mini review, we will discuss the role of antigen-presenting cells and mechanisms of antigen presentation in TLOs, summarizing what is currently known about this facet of the formation and function of these tissues as well as identifying questions yet to be addressed.
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Affiliation(s)
- Catherine E Hughes
- Centre for Immunobiology, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow , Glasgow , UK
| | - Robert A Benson
- Centre for Immunobiology, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow , Glasgow , UK
| | - Marija Bedaj
- Centre for Immunobiology, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK; Rheumatology Research Group, Centre for Translational Inflammation Research, School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Pasquale Maffia
- Centre for Immunobiology, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK; BHF Centre of Excellence in Vascular Science and Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK; Department of Pharmacy, University of Naples Federico II, Naples, Italy
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