1
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Mekke JM, Sakkers TR, Verwer MC, van den Dungen NAM, Song Y, Miller CL, Finn AV, Pasterkamp G, Mokry M, den Ruijter HM, Vink A, de Kleijn DPV, de Borst GJ, Haitjema S, van der Laan SW. The accumulation of erythrocytes quantified and visualized by Glycophorin C in carotid atherosclerotic plaque reflects intraplaque hemorrhage and pre-procedural neurological symptoms. Sci Rep 2023; 13:17104. [PMID: 37816779 PMCID: PMC10564864 DOI: 10.1038/s41598-023-43369-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Accepted: 09/22/2023] [Indexed: 10/12/2023] Open
Abstract
The accumulation of erythrocyte membranes within an atherosclerotic plaque may contribute to the deposition of free cholesterol and thereby the enlargement of the necrotic core. Erythrocyte membranes can be visualized and quantified in the plaque by immunostaining for the erythrocyte marker glycophorin C. Hence, we theorized that the accumulation of erythrocytes quantified by glycophorin C could function as a marker for plaque vulnerability, possibly reflecting intraplaque hemorrhage (IPH), and offering predictive value for pre-procedural neurological symptoms. We employed the CellProfiler-integrated slideToolKit workflow to visualize and quantify glycophorin C, defined as the total plaque area that is positive for glycophorin C, in single slides of culprit lesions obtained from the Athero-Express Biobank of 1819 consecutive asymptomatic and symptomatic patients who underwent carotid endarterectomy. Our assessment included the evaluation of various parameters such as lipid core, calcifications, collagen content, SMC content, and macrophage burden. These parameters were evaluated using a semi-quantitative scoring method, and the resulting data was dichotomized as predefined criteria into categories of no/minor or moderate/heavy staining. In addition, the presence or absence of IPH was also scored. The prevalence of IPH and pre-procedural neurological symptoms were 62.4% and 87.1%, respectively. The amount of glycophorin staining was significantly higher in samples from men compared to samples of women (median 7.15 (IQR:3.37, 13.41) versus median 4.06 (IQR:1.98, 8.32), p < 0.001). Glycophorin C was associated with IPH adjusted for clinical confounders (OR 1.90; 95% CI 1.63, 2.21; p = < 0.001). Glycophorin C was significantly associated with ipsilateral pre-procedural neurological symptoms (OR:1.27, 95%CI:1.06-1.41, p = 0.005). Sex-stratified analysis, showed that this was also the case for men (OR 1.37; 95%CI 1.12, 1.69; p = 0.003), but not for women (OR 1.15; 95%CI 0.77, 1.73; p = 0.27). Glycophorin C was associated with classical features of a vulnerable plaque, such as a larger lipid core, a higher macrophage burden, less calcifications, a lower collagen and SMC content. There were marked sex differences, in men, glycophorin C was associated with calcifications and collagen while these associations were not found in women. To conclude, the accumulation of erythrocytes in atherosclerotic plaque quantified and visualized by glycophorin C was independently associated with the presence of IPH, preprocedural symptoms in men, and with a more vulnerable plaque composition in both men and women. These results strengthen the notion that the accumulation of erythrocytes quantified by glycophorin C can be used as a marker for plaque vulnerability.
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Affiliation(s)
- Joost M Mekke
- Division of Surgical Specialties, Department of Vascular Surgery, University Medical Center Utrecht, Utrecht University, Heidelberglaan 100, 3508 GA, Utrecht, The Netherlands
| | - Tim R Sakkers
- Laboratory of Experimental Cardiology, Department of Cardiology, Division Heart and Lungs, University Medical Center Utrecht, Utrecht University, Heidelberglaan 100, 3508 GA, Utrecht, The Netherlands
| | - Maarten C Verwer
- Division of Surgical Specialties, Department of Vascular Surgery, University Medical Center Utrecht, Utrecht University, Heidelberglaan 100, 3508 GA, Utrecht, The Netherlands
| | - Noortje A M van den Dungen
- Central Diagnostic Laboratory, Division Laboratories, Pharmacy and Biomedical genetics, University Medical Center Utrecht, Utrecht University, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
| | - Yipei Song
- Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, VA, 22908, USA
| | - Clint L Miller
- Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, VA, 22908, USA
- Center for Public Health Genomics, University of Virginia, Charlottesville, VA, 22908, USA
- Department of Public Health Sciences, University of Virginia, Charlottesville, VA, 22908, USA
| | | | - Gerard Pasterkamp
- Central Diagnostic Laboratory, Division Laboratories, Pharmacy and Biomedical genetics, University Medical Center Utrecht, Utrecht University, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
| | - Michal Mokry
- Laboratory of Experimental Cardiology, Department of Cardiology, Division Heart and Lungs, University Medical Center Utrecht, Utrecht University, Heidelberglaan 100, 3508 GA, Utrecht, The Netherlands
- Division Heart and Lungs, Department of Cardiology, University Medical Center Utrecht, Utrecht University, Heidelberglaan 100, 3508 GA, Utrecht, The Netherlands
| | - Hester M den Ruijter
- Laboratory of Experimental Cardiology, Department of Cardiology, Division Heart and Lungs, University Medical Center Utrecht, Utrecht University, Heidelberglaan 100, 3508 GA, Utrecht, The Netherlands
| | - Aryan Vink
- Department of Pathology, University Medical Center Utrecht, Utrecht University, Heidelberglaan 100, 3508 GA, Utrecht, The Netherlands
| | - Dominique P V de Kleijn
- Division of Surgical Specialties, Department of Vascular Surgery, University Medical Center Utrecht, Utrecht University, Heidelberglaan 100, 3508 GA, Utrecht, The Netherlands
- Netherlands Heart Institute, Moreelsepark 1, 3511 EP, Utrecht, The Netherlands
| | - Gert J de Borst
- Division of Surgical Specialties, Department of Vascular Surgery, University Medical Center Utrecht, Utrecht University, Heidelberglaan 100, 3508 GA, Utrecht, The Netherlands
| | - Saskia Haitjema
- Central Diagnostic Laboratory, Division Laboratories, Pharmacy and Biomedical genetics, University Medical Center Utrecht, Utrecht University, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
| | - Sander W van der Laan
- Central Diagnostic Laboratory, Division Laboratories, Pharmacy and Biomedical genetics, University Medical Center Utrecht, Utrecht University, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands.
- Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, VA, 22908, USA.
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2
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Diez Benavente E, Karnewar S, Buono M, Mili E, Hartman RJ, Kapteijn D, Slenders L, Daniels M, Aherrahrou R, Reinberger T, Mol BM, de Borst GJ, de Kleijn DP, Prange KH, Depuydt MA, de Winther MP, Kuiper J, Björkegren JL, Erdmann J, Civelek M, Mokry M, Owens GK, Pasterkamp G, den Ruijter HM. Female Gene Networks Are Expressed in Myofibroblast-Like Smooth Muscle Cells in Vulnerable Atherosclerotic Plaques. Arterioscler Thromb Vasc Biol 2023; 43:1836-1850. [PMID: 37589136 PMCID: PMC10521798 DOI: 10.1161/atvbaha.123.319325] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 07/10/2023] [Indexed: 08/18/2023]
Abstract
BACKGROUND Women presenting with coronary artery disease more often present with fibrous atherosclerotic plaques, which are currently understudied. Phenotypically modulated smooth muscle cells (SMCs) contribute to atherosclerosis in women. How these phenotypically modulated SMCs shape female versus male plaques is unknown. METHODS Gene regulatory networks were created using RNAseq gene expression data from human carotid atherosclerotic plaques. The networks were prioritized based on sex bias, relevance for smooth muscle biology, and coronary artery disease genetic enrichment. Network expression was linked to histologically determined plaque phenotypes. In addition, their expression in plaque cell types was studied at single-cell resolution using single-cell RNAseq. Finally, their relevance for disease progression was studied in female and male Apoe-/- mice fed a Western diet for 18 and 30 weeks. RESULTS Here, we identify multiple sex-stratified gene regulatory networks from human carotid atherosclerotic plaques. Prioritization of the female networks identified 2 main SMC gene regulatory networks in late-stage atherosclerosis. Single-cell RNA sequencing mapped these female networks to 2 SMC phenotypes: a phenotypically modulated myofibroblast-like SMC network and a contractile SMC network. The myofibroblast-like network was mostly expressed in plaques that were vulnerable in women. Finally, the mice ortholog of key driver gene MFGE8 (milk fat globule EGF and factor V/VIII domain containing) showed retained expression in advanced plaques from female mice but was downregulated in male mice during atherosclerosis progression. CONCLUSIONS Female atherosclerosis is characterized by gene regulatory networks that are active in fibrous vulnerable plaques rich in myofibroblast-like SMCs.
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Affiliation(s)
- Ernest Diez Benavente
- Laboratory of Experimental Cardiology (E.D.B., M.B., E.M., R.J.G.H., D.K., M.D., H.M.d.R.), University Medical Centre Utrecht, Utrecht University, the Netherlands
| | - Santosh Karnewar
- Robert M. Berne Cardiovascular Research Center (S.K., G.K.O.), University of Virginia, Charlottesville
| | - Michele Buono
- Laboratory of Experimental Cardiology (E.D.B., M.B., E.M., R.J.G.H., D.K., M.D., H.M.d.R.), University Medical Centre Utrecht, Utrecht University, the Netherlands
| | - Eloi Mili
- Laboratory of Experimental Cardiology (E.D.B., M.B., E.M., R.J.G.H., D.K., M.D., H.M.d.R.), University Medical Centre Utrecht, Utrecht University, the Netherlands
| | - Robin J.G. Hartman
- Laboratory of Experimental Cardiology (E.D.B., M.B., E.M., R.J.G.H., D.K., M.D., H.M.d.R.), University Medical Centre Utrecht, Utrecht University, the Netherlands
| | - Daniek Kapteijn
- Laboratory of Experimental Cardiology (E.D.B., M.B., E.M., R.J.G.H., D.K., M.D., H.M.d.R.), University Medical Centre Utrecht, Utrecht University, the Netherlands
| | - Lotte Slenders
- Central Diagnostic Laboratory (L.S., M.M., G.P.), University Medical Centre Utrecht, Utrecht University, the Netherlands
| | - Mark Daniels
- Laboratory of Experimental Cardiology (E.D.B., M.B., E.M., R.J.G.H., D.K., M.D., H.M.d.R.), University Medical Centre Utrecht, Utrecht University, the Netherlands
| | - Redouane Aherrahrou
- Center for Public Health Genomics (R.A., M.C.), University of Virginia, Charlottesville
- Institute for Cardiogenetics, University of Lübeck, Germany (R.A., T.R., J.E.)
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland (R.A.)
| | - Tobias Reinberger
- Institute for Cardiogenetics, University of Lübeck, Germany (R.A., T.R., J.E.)
| | - Barend M. Mol
- Department of Vascular Surgery (B.M.M., G.J.d.B., D.P.V.d.K.), University Medical Centre Utrecht, Utrecht University, the Netherlands
| | - Gert J. de Borst
- Department of Vascular Surgery (B.M.M., G.J.d.B., D.P.V.d.K.), University Medical Centre Utrecht, Utrecht University, the Netherlands
| | - Dominique P.V. de Kleijn
- Department of Vascular Surgery (B.M.M., G.J.d.B., D.P.V.d.K.), University Medical Centre Utrecht, Utrecht University, the Netherlands
| | - Koen H.M. Prange
- Experimental Vascular Biology, Department of Medical Biochemistry, Amsterdam University Medical Centers — location AMC, University of Amsterdam, Netherlands (K.H.M.P., M.P.J.d.W.)
| | - Marie A.C. Depuydt
- Division of BioTherapeutics, Leiden Academic Centre for Drug Research, Leiden University, the Netherlands (M.A.C.D., J.K.)
| | - Menno P.J. de Winther
- Experimental Vascular Biology, Department of Medical Biochemistry, Amsterdam University Medical Centers — location AMC, University of Amsterdam, Netherlands (K.H.M.P., M.P.J.d.W.)
| | - Johan Kuiper
- Division of BioTherapeutics, Leiden Academic Centre for Drug Research, Leiden University, the Netherlands (M.A.C.D., J.K.)
| | - Johan L.M. Björkegren
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York (J.L.M.B.)
- Department of Medicine, Karolinska Institutet, Karolinska Universitetssjukhuset, Huddinge, Sweden (J.L.M.B.)
| | - Jeanette Erdmann
- Institute for Cardiogenetics, University of Lübeck, Germany (R.A., T.R., J.E.)
| | - Mete Civelek
- Center for Public Health Genomics (R.A., M.C.), University of Virginia, Charlottesville
- Department of Biomedical Engineering (M.C.)
- University of Virginia, Charlottesville (M.C.)
| | - Michal Mokry
- Central Diagnostic Laboratory (L.S., M.M., G.P.), University Medical Centre Utrecht, Utrecht University, the Netherlands
| | - Gary K. Owens
- Robert M. Berne Cardiovascular Research Center (S.K., G.K.O.), University of Virginia, Charlottesville
| | - Gerard Pasterkamp
- Central Diagnostic Laboratory (L.S., M.M., G.P.), University Medical Centre Utrecht, Utrecht University, the Netherlands
| | - Hester M. den Ruijter
- Laboratory of Experimental Cardiology (E.D.B., M.B., E.M., R.J.G.H., D.K., M.D., H.M.d.R.), University Medical Centre Utrecht, Utrecht University, the Netherlands
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3
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Kavousi M, Bos MM, Barnes HJ, Lino Cardenas CL, Wong D, Lu H, Hodonsky CJ, Landsmeer LPL, Turner AW, Kho M, Hasbani NR, de Vries PS, Bowden DW, Chopade S, Deelen J, Benavente ED, Guo X, Hofer E, Hwang SJ, Lutz SM, Lyytikäinen LP, Slenders L, Smith AV, Stanislawski MA, van Setten J, Wong Q, Yanek LR, Becker DM, Beekman M, Budoff MJ, Feitosa MF, Finan C, Hilliard AT, Kardia SLR, Kovacic JC, Kral BG, Langefeld CD, Launer LJ, Malik S, Hoesein FAAM, Mokry M, Schmidt R, Smith JA, Taylor KD, Terry JG, van der Grond J, van Meurs J, Vliegenthart R, Xu J, Young KA, Zilhão NR, Zweiker R, Assimes TL, Becker LC, Bos D, Carr JJ, Cupples LA, de Kleijn DPV, de Winther M, den Ruijter HM, Fornage M, Freedman BI, Gudnason V, Hingorani AD, Hokanson JE, Ikram MA, Išgum I, Jacobs DR, Kähönen M, Lange LA, Lehtimäki T, Pasterkamp G, Raitakari OT, Schmidt H, Slagboom PE, Uitterlinden AG, Vernooij MW, Bis JC, Franceschini N, Psaty BM, Post WS, Rotter JI, Björkegren JLM, O'Donnell CJ, Bielak LF, Peyser PA, Malhotra R, van der Laan SW, Miller CL. Multi-ancestry genome-wide study identifies effector genes and druggable pathways for coronary artery calcification. Nat Genet 2023; 55:1651-1664. [PMID: 37770635 PMCID: PMC10601987 DOI: 10.1038/s41588-023-01518-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Accepted: 08/29/2023] [Indexed: 09/30/2023]
Abstract
Coronary artery calcification (CAC), a measure of subclinical atherosclerosis, predicts future symptomatic coronary artery disease (CAD). Identifying genetic risk factors for CAC may point to new therapeutic avenues for prevention. Currently, there are only four known risk loci for CAC identified from genome-wide association studies (GWAS) in the general population. Here we conducted the largest multi-ancestry GWAS meta-analysis of CAC to date, which comprised 26,909 individuals of European ancestry and 8,867 individuals of African ancestry. We identified 11 independent risk loci, of which eight were new for CAC and five had not been reported for CAD. These new CAC loci are related to bone mineralization, phosphate catabolism and hormone metabolic pathways. Several new loci harbor candidate causal genes supported by multiple lines of functional evidence and are regulators of smooth muscle cell-mediated calcification ex vivo and in vitro. Together, these findings help refine the genetic architecture of CAC and extend our understanding of the biological and potential druggable pathways underlying CAC.
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Affiliation(s)
- Maryam Kavousi
- Department of Epidemiology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands.
| | - Maxime M Bos
- Department of Epidemiology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Hanna J Barnes
- Cardiovascular Research Center, Cardiology Division, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Christian L Lino Cardenas
- Cardiovascular Research Center, Cardiology Division, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Doris Wong
- Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, VA, USA
- Center for Public Health Genomics, University of Virginia, Charlottesville, VA, USA
| | - Haojie Lu
- Department of Epidemiology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
- Department of Internal Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Chani J Hodonsky
- Center for Public Health Genomics, University of Virginia, Charlottesville, VA, USA
| | - Lennart P L Landsmeer
- Central Diagnostics Laboratory, Division Laboratories, Pharmacy, and Biomedical Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Adam W Turner
- Center for Public Health Genomics, University of Virginia, Charlottesville, VA, USA
| | - Minjung Kho
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, USA
- Graduate School of Data Science, Seoul National University, Seoul, Republic of Korea
| | - Natalie R Hasbani
- Human Genetics Center, Department of Epidemiology, Human Genetics, and Environmental Sciences, School of Public Health, The University of Texas Health Center at Houston, Houston, TX, USA
| | - Paul S de Vries
- Human Genetics Center, Department of Epidemiology, Human Genetics, and Environmental Sciences, School of Public Health, The University of Texas Health Center at Houston, Houston, TX, USA
| | - Donald W Bowden
- Department of Biochemistry, Wake Forest University Health Sciences, Winston-Salem, NC, USA
| | - Sandesh Chopade
- Institute of Cardiovascular Science, Faculty of Population Health, University College London, London, UK
- University College London British Heart Foundation Research Accelerator Centre, London, UK
| | - Joris Deelen
- Biomedical Data Sciences, Molecular Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
- Max Planck Institute for Biology of Aging, Cologne, Germany
| | - Ernest Diez Benavente
- Laboratory of Experimental Cardiology, Division of Heart and Lungs, University Medical Center Utrecht and Utrecht University, Utrecht, The Netherlands
| | - Xiuqing Guo
- The Institute for Translational Genomics and Population Sciences, Department of Pediatrics, The Lundquist Institute for Biomedical Innovation (formerly Los Angeles Biomedical Research Institute) at Harbor-UCLA Medical Center, Torrance, CA, USA
| | - Edith Hofer
- Department of Neurology, Clinical Division of Neurogeriatrics, Medical University of Graz, Graz, Austria
- Institute for Medical Informatics, Statistics and Documentation, Medical University of Graz, Graz, Austria
| | | | - Sharon M Lutz
- Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care, Boston, MA, USA
| | - Leo-Pekka Lyytikäinen
- Department of Clinical Chemistry, Fimlab Laboratories and Finnish Cardiovascular Research Center-Tampere, Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Lotte Slenders
- Central Diagnostics Laboratory, Division Laboratories, Pharmacy, and Biomedical Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Albert V Smith
- Department of Biostatistics, University of Michigan, Ann Arbor, MI, USA
- Icelandic Heart Association, Kopavogur, Iceland
| | - Maggie A Stanislawski
- Department of Biomedical Informatics, University of Colorado, Anschutz Medical Campus, Aurora, CO, USA
| | - Jessica van Setten
- Department of Cardiology, Division of Heart and Lungs, University Medical Center Utrecht and Utrecht University, Utrecht, The Netherlands
| | - Quenna Wong
- Department of Biostatistics, University of Washington, Seattle, WA, USA
| | - Lisa R Yanek
- GeneSTAR Research Program, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Diane M Becker
- GeneSTAR Research Program, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Marian Beekman
- Biomedical Data Sciences, Molecular Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
| | - Matthew J Budoff
- The Institute for Translational Genomics and Population Sciences, Department of Pediatrics, The Lundquist Institute for Biomedical Innovation (formerly Los Angeles Biomedical Research Institute) at Harbor-UCLA Medical Center, Torrance, CA, USA
| | - Mary F Feitosa
- Department of Genetics, Division of Statistical Genomics, Washington University School of Medicine, St. Louis, MO, USA
| | - Chris Finan
- Institute of Cardiovascular Science, Faculty of Population Health, University College London, London, UK
- University College London British Heart Foundation Research Accelerator Centre, London, UK
- Department of Cardiology, Division of Heart and Lungs, University Medical Center Utrecht and Utrecht University, Utrecht, The Netherlands
| | | | - Sharon L R Kardia
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, USA
| | - Jason C Kovacic
- Victor Chang Cardiac Research Institute, Darlinghurst, New South Wales, Australia
- St Vincent's Clinical School, University of NSW, Sydney, New South Wales, Australia
- The Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York City, NY, USA
| | - Brian G Kral
- GeneSTAR Research Program, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Carl D Langefeld
- Department of Biostatistical Sciences and Data Science, Wake Forest University Health Sciences, Winston-Salem, NC, USA
| | - Lenore J Launer
- Laboratory of Epidemiology and Population Sciences, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA
| | - Shaista Malik
- Susan Samueli Integrative Health Institute, Department of Medicine, University of California Irvine, Irvine, CA, USA
| | | | - Michal Mokry
- Central Diagnostics Laboratory, Division Laboratories, Pharmacy, and Biomedical Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
- Laboratory of Experimental Cardiology, Division of Heart and Lungs, University Medical Center Utrecht and Utrecht University, Utrecht, The Netherlands
| | - Reinhold Schmidt
- Department of Neurology, Clinical Division of Neurogeriatrics, Medical University of Graz, Graz, Austria
| | - Jennifer A Smith
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, USA
- Survey Research Center, Institute for Social Research, University of Michigan, Ann Arbor, MI, USA
| | - Kent D Taylor
- The Institute for Translational Genomics and Population Sciences, Department of Pediatrics, The Lundquist Institute for Biomedical Innovation (formerly Los Angeles Biomedical Research Institute) at Harbor-UCLA Medical Center, Torrance, CA, USA
| | - James G Terry
- Department of Radiology and Radiological Sciences, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Jeroen van der Grond
- Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands
| | - Joyce van Meurs
- Department of Epidemiology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
- Department of Internal Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Rozemarijn Vliegenthart
- Department of Radiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Jianzhao Xu
- Department of Biochemistry, Wake Forest University Health Sciences, Winston-Salem, NC, USA
| | - Kendra A Young
- Department of Epidemiology, University of Colorado, Anschutz Medical Campus, Denver, CO, USA
| | | | - Robert Zweiker
- Department of Internal Medicine, Division of Cardiology, Medical University of Graz, Graz, Austria
| | - Themistocles L Assimes
- VA Palo Alto Healthcare System, Palo Alto, CA, USA
- Department of Medicine, Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Lewis C Becker
- GeneSTAR Research Program, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Daniel Bos
- Department of Epidemiology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
- Department of Radiology and Nuclear Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - J Jeffrey Carr
- Department of Internal Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - L Adrienne Cupples
- Department of Biostatistics, School of Public Health, Boston University, Boston, MA, USA
| | - Dominique P V de Kleijn
- Department of Vascular Surgery, University Medical Center Utrecht and Utrecht University, Utrecht, The Netherlands
| | - Menno de Winther
- Department of Medical Biochemistry, Experimental Vascular Biology, Amsterdam Cardiovascular Sciences: Atherosclerosis and Ischemic syndromes, Amsterdam Infection and Immunity: Inflammatory diseases, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Hester M den Ruijter
- Laboratory of Experimental Cardiology, Division of Heart and Lungs, University Medical Center Utrecht and Utrecht University, Utrecht, The Netherlands
| | - Myriam Fornage
- Institute of Molecular Medicine, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Barry I Freedman
- Department of Internal Medicine, Wake Forest University Health Sciences, Winston-Salem, NC, USA
| | - Vilmundur Gudnason
- Icelandic Heart Association, Kopavogur, Iceland
- Faculty of Medicine, School of Public Health, University of Iceland, Reykjavik, Iceland
| | - Aroon D Hingorani
- Institute of Cardiovascular Science, Faculty of Population Health, University College London, London, UK
- University College London British Heart Foundation Research Accelerator Centre, London, UK
| | - John E Hokanson
- Department of Medicine, Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - M Arfan Ikram
- Department of Epidemiology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Ivana Išgum
- Image Sciences Institute, University Medical Center Utrecht, Utrecht, The Netherlands
- Department of Biomedical Engineering and Physics, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - David R Jacobs
- Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, MN, USA
| | - Mika Kähönen
- Department of Clinical Physiology, Tampere University Hospital and Finnish Cardiovascular Research Center-Tampere, Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Leslie A Lange
- Department of Biomedical Informatics, University of Colorado, Anschutz Medical Campus, Aurora, CO, USA
| | - Terho Lehtimäki
- Department of Clinical Chemistry, Fimlab Laboratories and Finnish Cardiovascular Research Center-Tampere, Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Gerard Pasterkamp
- Central Diagnostics Laboratory, Division Laboratories, Pharmacy, and Biomedical Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Olli T Raitakari
- Centre for Population Health Research, University of Turku and Turku University Hospital, Turku, Finland
- Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Turku, Finland
- Department of Clinical Physiology and Nuclear Medicine, Turku University Hospital, Turku, Finland
| | - Helena Schmidt
- Gottfried Schatz Research Center (for Cell Signaling, Metabolism and Aging), Medical University of Graz, Graz, Austria
| | - P Eline Slagboom
- Biomedical Data Sciences, Molecular Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
| | - André G Uitterlinden
- Department of Epidemiology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
- Department of Internal Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Meike W Vernooij
- Department of Epidemiology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
- Department of Vascular Surgery, University Medical Center Utrecht and Utrecht University, Utrecht, The Netherlands
| | - Joshua C Bis
- Cardiovascular Health Research Unit, Department of Medicine, University of Washington, Seattle, WA, USA
| | - Nora Franceschini
- Department of Epidemiology, University of North Carolina, Chapel Hill, NC, USA
| | - Bruce M Psaty
- Cardiovascular Health Research Unit, Department of Medicine, University of Washington, Seattle, WA, USA
- Departments of Epidemiology, and Health Systems and Population Health, University of Washington, Seattle, WA, USA
| | - Wendy S Post
- Division of Cardiology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Jerome I Rotter
- The Institute for Translational Genomics and Population Sciences, Department of Pediatrics, The Lundquist Institute for Biomedical Innovation (formerly Los Angeles Biomedical Research Institute) at Harbor-UCLA Medical Center, Torrance, CA, USA
| | - Johan L M Björkegren
- Department of Genetics and Genomic Sciences, Icahn Institute for Genomics and Multiscale Biology, Icahn School of Medicine at Mount Sinai, New York City, NY, USA
- Department of Medicine, Integrated Cardio Metabolic Centre, Karolinska Institutet, Huddinge, Sweden
| | - Christopher J O'Donnell
- Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
- Cardiology Section, Department of Medicine, Veterans Affairs Boston Healthcare System, Boston, MA, USA
| | - Lawrence F Bielak
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, USA
| | - Patricia A Peyser
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, USA
| | - Rajeev Malhotra
- Cardiovascular Research Center, Cardiology Division, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Sander W van der Laan
- Central Diagnostics Laboratory, Division Laboratories, Pharmacy, and Biomedical Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Clint L Miller
- Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, VA, USA.
- Center for Public Health Genomics, University of Virginia, Charlottesville, VA, USA.
- Department of Public Health Sciences, University of Virginia, Charlottesville, VA, USA.
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4
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Overmars LM, Mekke JM, van Solinge WW, De Jager SC, Hulsbergen-Veelken CA, Hoefer IE, de Kleijn DP, de Borst GJ, van der Laan SW, Haitjema S. Characteristics of peripheral blood cells are independently related to major adverse cardiovascular events after carotid endarterectomy. ATHEROSCLEROSIS PLUS 2023; 52:32-40. [PMID: 37389152 PMCID: PMC10300576 DOI: 10.1016/j.athplu.2023.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 05/24/2023] [Accepted: 05/30/2023] [Indexed: 07/01/2023]
Abstract
Background and aims Patients who underwent carotid endarterectomy (CEA) still have a residual risk of 13% of developing a major adverse cardiovascular event (MACE) within 3 years. Inflammatory processes leading up to MACE are not fully understood. Therefore, we examined blood cell characteristics (BCCs), possibly reflecting inflammatory processes, in relation to MACE to identify BCCs that may contribute to an increased risk. Methods We analyzed 75 pretreatment BCCs from the Sapphire analyzer, and clinical data from the Athero-Express biobank in relation to MACE after CEA using Random Survival Forests, and a Generalized Additive Survival Model. To understand biological mechanisms, we related the identified variables to intraplaque hemorrhage (IPH). Results Of 783 patients, 97 (12%) developed MACE within 3 years after CEA. Red blood cell distribution width (RDW) (HR 1.23 [1.02, 1.68], p = 0.022), CV of lymphocyte size (LACV) (HR 0.78 [0.63, 0.99], p = 0.043), neutrophil complexity of the intracellular structure (NIMN) (HR 0.80 [0.64, 0.98], p = 0.033), mean neutrophil size (NAMN) (HR 0.67 [0.55, 0.83], p < 0.001), mean corpuscular volume (MCV) (HR 1.35 [1.09, 1.66], p = 0.005), eGFR (HR 0.65 [0.52, 0.80], p < 0.001); and HDL-cholesterol (HR 0.62 [0.45, 0.85], p = 0.003) were related to MACE. NAMN was related to IPH (OR 0.83 [0.71-0.98], p = 0.02). Conclusions This is the first study to present a higher RDW and MCV and lower LACV, NIMN and NAMN as biomarkers reflecting inflammatory processes that may contribute to an increased risk of MACE after CEA.
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Affiliation(s)
- L. Malin Overmars
- Central Diagnostics Laboratory, Division Laboratories, Pharmacy, and Biomedical Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Joost M. Mekke
- Department of Vascular Surgery, Division of Surgical Specialties, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Wouter W. van Solinge
- Central Diagnostics Laboratory, Division Laboratories, Pharmacy, and Biomedical Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Saskia C.A. De Jager
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Cornelia A.R. Hulsbergen-Veelken
- Central Diagnostics Laboratory, Division Laboratories, Pharmacy, and Biomedical Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Imo E. Hoefer
- Central Diagnostics Laboratory, Division Laboratories, Pharmacy, and Biomedical Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Dominique P.V. de Kleijn
- Department of Vascular Surgery, Division of Surgical Specialties, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
- Netherlands Heart Institute, Moreelsepark 1, 3511 EP, Utrecht, the Netherlands
| | - Gert J. de Borst
- Department of Vascular Surgery, Division of Surgical Specialties, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Sander W. van der Laan
- Central Diagnostics Laboratory, Division Laboratories, Pharmacy, and Biomedical Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Saskia Haitjema
- Central Diagnostics Laboratory, Division Laboratories, Pharmacy, and Biomedical Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
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5
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Mekke JM, Verwer MC, Stroes ESG, Kroon J, Timmers L, Pasterkamp G, de Borst GJ, van der Laan SW, de Kleijn DPV. Plasma Lipoprotein Lipase Is Associated with Risk of Future Major Adverse Cardiovascular Events in Patients Following Carotid Endarterectomy. Eur J Vasc Endovasc Surg 2023; 65:700-709. [PMID: 36708756 DOI: 10.1016/j.ejvs.2023.01.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 12/27/2022] [Accepted: 01/20/2023] [Indexed: 01/27/2023]
Abstract
INTRODUCTION Carotid plaque intraplaque haemorrhage (IPH) is associated with future cardiovascular events. It was hypothesised that plasma proteins associated with carotid plaque IPH are also likely to be associated with major adverse cardiovascular events (MACE) after carotid endarterectomy (CEA). METHODS In pre-operative blood samples from patients undergoing CEA within the Athero-Express biobank, proteins involved in cardiovascular disease were measured using three OLINK proteomics immunoassays. The association between proteins and IPH was analysed using logistic regression analyses. Subsequently, the association between the IPH associated plasma proteins and the three year post-operative risk of MACE (including stroke, myocardial infarction, or cardiovascular death) was analysed. RESULTS Within the three year follow up, 130 patients (18.9%) of 688 symptomatic and asymptomatic patients undergoing CEA developed MACE. Six of 276 plasma proteins were found to be significantly associated with IPH, from which only lipoprotein lipase (LPL) was associated with the post-operative risk of MACE undergoing CEA. Within the 30 day peri-operative period, high plasma LPL was independently associated with an increased risk of MACE (adjusted hazard ratio [HR] per standard deviation [SD] 1.60, 1.10 - 2.30), p = .014). From 30 days to three years, however, high LPL was associated with a lower risk of MACE (adjusted HR per SD 0.80, 0.65 - 0.99, p= .036). CONCLUSION High LPL concentrations were found to be associated with a higher risk of MACE in the first 30 post-operative days but with a lower risk MACE between 30 days and three years, meaning that LPL has different hazards at different time points.
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Affiliation(s)
- Joost M Mekke
- Department of Vascular Surgery, Division of Surgical Specialties, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Maarten C Verwer
- Department of Vascular Surgery, Division of Surgical Specialties, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Erik S G Stroes
- Department of Experimental Vascular Medicine, Amsterdam Cardiovascular Sciences, Amsterdam UMC, location AMC, Amsterdam, the Netherlands
| | - Jeffrey Kroon
- Department of Experimental Vascular Medicine, Amsterdam Cardiovascular Sciences, Amsterdam UMC, location AMC, Amsterdam, the Netherlands
| | - Leo Timmers
- Department of Cardiology, St. Antonius Hospital Nieuwegein, Nieuwegein, the Netherlands
| | - Gerard Pasterkamp
- Central Diagnostic Laboratory, Division Laboratories and Pharmacy, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Gert J de Borst
- Department of Vascular Surgery, Division of Surgical Specialties, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Sander W van der Laan
- Central Diagnostic Laboratory, Division Laboratories and Pharmacy, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands.
| | - Dominique P V de Kleijn
- Department of Vascular Surgery, Division of Surgical Specialties, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands; Netherlands Heart Institute, Utrecht, the Netherlands.
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6
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Benavente ED, Karnewar S, Buono M, Mili E, Hartman RJG, Kapteijn D, Slenders L, Daniels M, Aherrahrou R, Reinberger T, Mol BM, de Borst GJ, de Kleijn DPV, Prange KHM, Depuydt MAC, de Winther MPJ, Kuiper J, Björkegren JLM, Erdmann J, Civelek M, Mokry M, Owens GK, Pasterkamp G, den Ruijter HM. Female gene networks are expressed in myofibroblast-like smooth muscle cells in vulnerable atherosclerotic plaques. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.08.527690. [PMID: 36798294 PMCID: PMC9934638 DOI: 10.1101/2023.02.08.527690] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
Abstract
Women presenting with coronary artery disease (CAD) more often present with fibrous atherosclerotic plaques, which are currently understudied. Phenotypically modulated smooth muscle cells (SMCs) contribute to atherosclerosis in women. How these phenotypically modulated SMCs shape female versus male plaques is unknown. Here, we show sex-stratified gene regulatory networks (GRNs) from human carotid atherosclerotic tissue. Prioritization of these networks identified two main SMC GRNs in late-stage atherosclerosis. Single-cell RNA-sequencing mapped these GRNs to two SMC phenotypes: a phenotypically modulated myofibroblast-like SMC network and a contractile SMC network. The myofibroblast-like GRN was mostly expressed in plaques that were vulnerable in females. Finally, mice orthologs of the female myofibroblast-like genes showed retained expression in advanced plaques from female mice but were downregulated in male mice during atherosclerosis progression. Female atherosclerosis is driven by GRNs that promote a fibrous vulnerable plaque rich in myofibroblast-like SMCs.
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Affiliation(s)
- Ernest Diez Benavente
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, Utrecht University, the Netherlands
| | - Santosh Karnewar
- Robert M. Berne Cardiovascular Research Center, University of Virginia, Charlottesville, VA, USA
| | - Michele Buono
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, Utrecht University, the Netherlands
| | - Eloi Mili
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, Utrecht University, the Netherlands
| | - Robin J. G. Hartman
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, Utrecht University, the Netherlands
| | - Daniek Kapteijn
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, Utrecht University, the Netherlands
| | - Lotte Slenders
- Central Diagnostic Laboratory, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Mark Daniels
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, Utrecht University, the Netherlands
| | - Redouane Aherrahrou
- Center for Public Health Genomics, University of Virginia, Charlottesville, VA, USA
- Institute for Cardiogenetics, University of Lübeck, Lübeck, Germany
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Finland
| | | | - Barend M. Mol
- Department of Vascular Surgery, University Medical Centre Utrecht, Utrecht, Utrecht University, The Netherlands
| | - Gert J. de Borst
- Department of Vascular Surgery, University Medical Centre Utrecht, Utrecht, Utrecht University, The Netherlands
| | - Dominique P. V. de Kleijn
- Department of Vascular Surgery, University Medical Centre Utrecht, Utrecht, Utrecht University, The Netherlands
| | - Koen H. M. Prange
- Division of BioTherapeutics, Leiden Academic Centre for Drug Research, Leiden University’ Leiden, The Netherlands
| | - Marie A. C. Depuydt
- Division of BioTherapeutics, Leiden Academic Centre for Drug Research, Leiden University’ Leiden, The Netherlands
| | - Menno P. J. de Winther
- Division of BioTherapeutics, Leiden Academic Centre for Drug Research, Leiden University’ Leiden, The Netherlands
| | - Johan Kuiper
- Division of BioTherapeutics, Leiden Academic Centre for Drug Research, Leiden University’ Leiden, The Netherlands
| | - Johan L. M. Björkegren
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Medicine, Karolinska Institutet, Karolinska Universitetssjukhuset, Huddinge, Sweden
| | - Jeanette Erdmann
- Institute for Cardiogenetics, University of Lübeck, Lübeck, Germany
| | - Mete Civelek
- Center for Public Health Genomics, University of Virginia, Charlottesville, VA, USA
- Department of Biomedical Engineering, University of Virginia, Charlottesville, VA, USA
| | - Michal Mokry
- Central Diagnostic Laboratory, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Gary K Owens
- Robert M. Berne Cardiovascular Research Center, University of Virginia, Charlottesville, VA, USA
| | - Gerard Pasterkamp
- Central Diagnostic Laboratory, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Hester M. den Ruijter
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, Utrecht University, the Netherlands
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7
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Verwer MC, Waissi F, Mekke JM, Dekker M, Stroes ESG, de Borst GJ, Kroon J, Hazenberg CEVB, de Kleijn DPV. High lipoprotein(a) is associated with major adverse limb events after femoral artery endarterectomy. Atherosclerosis 2021; 349:196-203. [PMID: 34857353 DOI: 10.1016/j.atherosclerosis.2021.11.019] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 10/25/2021] [Accepted: 11/17/2021] [Indexed: 12/24/2022]
Abstract
BACKGROUNDS AND AIMS Elevated lipoprotein(a) (Lp[a]) has been identified as a causal risk factor for cardiovascular disease including peripheral arterial disease (PAD). Although Lp(a) is associated with the diagnosis of PAD, it remains elusive whether there is an association of Lp(a) with cardiovascular and limb events in patients with severe PAD. METHODS Preoperative plasma Lp(a) levels were measured in 384 consecutive patients that underwent iliofemoral endarterectomy and were included in the Athero-Express biobank. Our primary objective was to assess the association of Lp(a) levels with Major Adverse Limb Events (MALE). Our secondary objective was to relate Lp(a) levels to Major Adverse Cardiovascular Events (MACE) and femoral plaque composition that was acquired from baseline surgery. RESULTS During a median follow-up time of 5.6 years, a total of 225 MALE were recorded in 132 patients. Multivariable analysis, including history of peripheral intervention, age, diabetes mellitus, end stage renal disease and PAD disease stages, showed that Lp(a) was independently associated with first (HR of 1.36 (95% CI 1.02-1.82) p = .036) and recurrent MALE (HR 1.36 (95% CI 1.10-1.67) p = .004). A total of 99 MACE were recorded but Lp(a) levels were not associated with MACE.sLp(a) levels were significantly associated with a higher presence of smooth muscle cells in the femoral plaque, although this was not associated with MALE or MACE. CONCLUSIONS Plasma Lp(a) is independently associated with first and consecutive MALE after iliofemoral endarterectomy. Hence, in patients who undergo iliofemoral endarterectomy, Lp(a) could be considered as a biomarker to enhance risk stratification for future MALE.
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Affiliation(s)
- Maarten C Verwer
- Department of Vascular Surgery, University Medical Center Utrecht, PO Box 85500, 3508, GA, Utrecht, the Netherlands.
| | - Farahnaz Waissi
- Department of Vascular Surgery, University Medical Center Utrecht, PO Box 85500, 3508, GA, Utrecht, the Netherlands; Netherlands Heart Institute, Moreelsepark 1, 3511, EP, Utrecht, the Netherlands; Department of Cardiology, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, Amsterdam, 1105, AZ, the Netherlands
| | - Joost M Mekke
- Department of Vascular Surgery, University Medical Center Utrecht, PO Box 85500, 3508, GA, Utrecht, the Netherlands
| | - Mirthe Dekker
- Department of Vascular Surgery, University Medical Center Utrecht, PO Box 85500, 3508, GA, Utrecht, the Netherlands; Netherlands Heart Institute, Moreelsepark 1, 3511, EP, Utrecht, the Netherlands; Department of Cardiology, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, Amsterdam, 1105, AZ, the Netherlands
| | - Erik S G Stroes
- Department of Vascular Medicine, Amsterdam Cardiovascular Sciences, Meibergdreef 9, Amsterdam, 1105, AZ, the Netherlands
| | - Gert J de Borst
- Department of Vascular Surgery, University Medical Center Utrecht, PO Box 85500, 3508, GA, Utrecht, the Netherlands
| | - Jeffrey Kroon
- Department of Experimental Vascular Medicine, Amsterdam Cardiovascular Sciences, Meibergdreef 9, Amsterdam, 1105, AZ, the Netherlands
| | - Constantijn E V B Hazenberg
- Department of Vascular Surgery, University Medical Center Utrecht, PO Box 85500, 3508, GA, Utrecht, the Netherlands
| | - Dominique P V de Kleijn
- Department of Vascular Surgery, University Medical Center Utrecht, PO Box 85500, 3508, GA, Utrecht, the Netherlands; Laboratory of Experimental Cardiology, University Medical Center Utrecht, PO Box 85500, 3508, GA, Utrecht, the Netherlands; Netherlands Heart Institute, Moreelsepark 1, 3511, EP, Utrecht, the Netherlands.
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8
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Mekke JM, Egberts DHJ, Waissi F, Timmerman N, Bot I, Kuiper J, Pasterkamp G, de Borst GJ, de Kleijn DPV. Mast Cell Distribution in Human Carotid Atherosclerotic Plaque Differs Significantly by Histological Segment. Eur J Vasc Endovasc Surg 2021; 62:808-815. [PMID: 34531119 DOI: 10.1016/j.ejvs.2021.07.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 07/06/2021] [Accepted: 07/11/2021] [Indexed: 01/08/2023]
Abstract
OBJECTIVE Mast cells (MCs) are important contributors to atherosclerotic plaque progression. For prospective studies on mast cell contributions to plaque instability, the distribution of intraplaque MCs needs to be elucidated. Plaque stability is generally histologically assessed by dividing the plaque specimen into segments to be scored on an ordinal scale. However, owing to competitive use, studies may have to deviate to adjacent segments, yet intersegment differences of plaque characteristics, especially MCs, are largely unknown. Therefore, the hypothesis that there is no segment to segment difference in MC distribution between atherosclerotic plaque segments was tested, and intersegment associations between MCs and other plaque characteristics was investigated. METHODS Twenty-six carotid atherosclerotic plaques from patients undergoing carotid endarterectomy included in the Athero-Express Biobank were analysed. The plaque was divided in 5 mm segments, differentiating between the culprit lesion (segment 0), adjacent segments (-1/+1) and more distant segments (-2/+2) for the presence of MCs. The associations between the intersegment distribution of MCs and smooth muscle cells, macrophage content, and microvessel density in the culprit lesion were studied. RESULTS A statistically significant difference in MCs/mm2 between the different plaque segments (p < .001) was found, with a median of 2.79 (interquartile range [IQR] 1.63 - 7.10) for the culprit lesion, 1.34 (IQR 0.26 - 4.45) for the adjacent segment, and 0.62 (0.14 - 2.07) for the more distant segment. Post hoc analyses showed that intersegment differences were due to differences in MCs/mm2 between the culprit and adjacent segment (p = .037) and between the culprit lesion and the more distant segment (p < .001). MCs/mm2 in multiple different segments were positively correlated with microvessel density and macrophage content in the culprit lesion. CONCLUSION MC numbers reveal significant intersegment differences in human carotid plaques. Future histological studies on MCs should use a standardised segment for plaque characterisation as plaque segments cannot be used interchangeably for histological MC analyses.
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Affiliation(s)
- Joost M Mekke
- Department of Vascular Surgery, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Daan H J Egberts
- Department of Vascular Surgery, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Farahnaz Waissi
- Department of Vascular Surgery, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands; Department of Cardiology, Amsterdam University Medical Centre, Amsterdam, the Netherlands
| | - Nathalie Timmerman
- Department of Vascular Surgery, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Ilze Bot
- Division of BioTherapeutics, LACDR, Leiden University, Leiden, the Netherlands
| | - Johan Kuiper
- Division of BioTherapeutics, LACDR, Leiden University, Leiden, the Netherlands
| | - Gerard Pasterkamp
- Laboratory of Clinical Chemistry and Haematology, Division Laboratories and Pharmacy, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Gert J de Borst
- Department of Vascular Surgery, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Dominique P V de Kleijn
- Department of Vascular Surgery, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands.
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Zhang Y, Cao J, Zhou J, Zhang C, Li Q, Chen S, Feinstein S, Grayburn PA, Huang P. Plaque Elasticity and Intraplaque Neovascularisation on Carotid Artery Ultrasound: A Comparative Histological Study. Eur J Vasc Endovasc Surg 2021; 62:358-366. [PMID: 34266763 DOI: 10.1016/j.ejvs.2021.05.026] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Revised: 05/12/2021] [Accepted: 05/23/2021] [Indexed: 10/20/2022]
Abstract
OBJECTIVE Plaque elasticity and intraplaque neovascularisation are strongly suggestive of vulnerable plaque. This study aimed to investigate the relationship between intraplaque neovascularisation and plaque elasticity, and to compare the ultrasound findings with histopathological changes. METHODS Patients enrolled in this study presented with symptomatic carotid stenosis (> 70%) and later underwent both pre-operative ultrasonography and endarterectomy. Contrast enhanced ultrasound (CEUS) and shear wave elastography (SWE) were used to measure the neovascularisation and elasticity of the plaque, respectively. After removal, plaques were histologically assessed to determine the microvessel density (MVD), matrix metalloproteinase (MMP)-9 expression, and type I/type III collagen ratio using immunohistochemistry staining and morphometry. A correlation analysis was used to establish the relationship among the aforementioned quantitative parameters. Inter- and intra-observer consistency evaluations were performed using the intraclass correlation coefficient and Bland-Altman plots. RESULTS Ninety-four symptomatic patients with 98 plaques were included. The area under the curve (AUC) of the carotid plaque detected using CEUS correlated with its shear wave velocity (SWV) (r = -.714; p < .001), MVD (r = .842; p < .001), collagen type I/III ratio (r = -.833; p < .001), and MMP-9 (r = .738; p < .001). SWE was positively correlated with the type I/III collagen ratio (r = .805; p < .001). The overall interexaminer consistency of the SWE was acceptable (r = .638; p < .001). The interobserver correlation coefficient of the AUC, time to peak (TP), mean transit time (MTT), and SWV were .719, .756, .733, and .686, respectively. The intra-observer variability values of the AUC, TP, MTT, and SWV were .826, .845, .633, and .748, respectively. CONCLUSION SWE and CEUS can comprehensively evaluate the vulnerability of the carotid plaque by assessing the elasticity of the plaque and neovascularisation within it. The negative correlation between the intraplaque neovascularisation and elasticity, further validated by histological findings, suggests that the more abundant the neovascularisation, the less elasticity.
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Affiliation(s)
- Ying Zhang
- Department of Ultrasound in Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, China
| | - Jing Cao
- Department of Ultrasound in Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, China
| | - Jingyi Zhou
- Department of Neurosurgery, Second Affiliated Hospital of Zhejiang University School of Medicine, Zhejiang, China
| | - Chao Zhang
- Department of Ultrasound in Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, China
| | - Qunying Li
- Department of Ultrasound in Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, China
| | - Shuyuan Chen
- Baylor Scott & White Research Institute, Dallas, TX, USA
| | - Steven Feinstein
- Echocardiography Section of Cardiology, Rush University Medical Centre, Chicago, IL, USA
| | - Paul A Grayburn
- Department of Internal Medicine, Division of Cardiology, Baylor Scott & White Heart and Vascular Institute, Baylor University Medical Centre, Dallas, TX, USA
| | - Pintong Huang
- Department of Ultrasound in Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, China.
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van Keulen D, van Koeverden ID, Boltjes A, Princen HMG, van Gool AJ, de Borst GJ, Asselbergs FW, Tempel D, Pasterkamp G, van der Laan SW. Common Variants Associated With OSMR Expression Contribute to Carotid Plaque Vulnerability, but Not to Cardiovascular Disease in Humans. Front Cardiovasc Med 2021; 8:658915. [PMID: 33959646 PMCID: PMC8093786 DOI: 10.3389/fcvm.2021.658915] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 03/09/2021] [Indexed: 01/15/2023] Open
Abstract
Background and Aims: Oncostatin M (OSM) signaling is implicated in atherosclerosis, however the mechanism remains unclear. We investigated the impact of common genetic variants in OSM and its receptors, OSMR and LIFR, on overall plaque vulnerability, plaque phenotype, intraplaque OSMR and LIFR expression, coronary artery calcification burden and cardiovascular disease susceptibility. Methods and Results: We queried Genotype-Tissue Expression data and found that rs13168867 (C allele) was associated with decreased OSMR expression and that rs10491509 (A allele) was associated with increased LIFR expression in arterial tissues. No variant was significantly associated with OSM expression. We associated these two variants with plaque characteristics from 1,443 genotyped carotid endarterectomy patients in the Athero-Express Biobank Study. After correction for multiple testing, rs13168867 was significantly associated with an increased overall plaque vulnerability (β = 0.118 ± s.e. = 0.040, p = 3.00 × 10-3, C allele). Looking at individual plaque characteristics, rs13168867 showed strongest associations with intraplaque fat (β = 0.248 ± s.e. = 0.088, p = 4.66 × 10-3, C allele) and collagen content (β = -0.259 ± s.e. = 0.095, p = 6.22 × 10-3, C allele), but these associations were not significant after correction for multiple testing. rs13168867 was not associated with intraplaque OSMR expression. Neither was intraplaque OSMR expression associated with plaque vulnerability and no known OSMR eQTLs were associated with coronary artery calcification burden, or cardiovascular disease susceptibility. No associations were found for rs10491509 in the LIFR locus. Conclusions: Our study suggests that rs1316887 in the OSMR locus is associated with increased plaque vulnerability, but not with coronary calcification or cardiovascular disease risk. It remains unclear through which precise biological mechanisms OSM signaling exerts its effects on plaque morphology. However, the OSM-OSMR/LIFR pathway is unlikely to be causally involved in lifetime cardiovascular disease susceptibility.
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Affiliation(s)
- Danielle van Keulen
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, University of Utrecht, Utrecht, Netherlands
- Central Diagnostics Laboratory, University Medical Center Utrecht, University of Utrecht, Utrecht, Netherlands
- Quorics B.V., Rotterdam, Netherlands
- TNO-Metabolic Health Research, Gaubius Laboratory, Leiden, Netherlands
| | - Ian D. van Koeverden
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, University of Utrecht, Utrecht, Netherlands
| | - Arjan Boltjes
- Central Diagnostics Laboratory, University Medical Center Utrecht, University of Utrecht, Utrecht, Netherlands
| | | | - Alain J. van Gool
- Translational Metabolic Laboratory, Radboudumc, Nijmegen, Netherlands
- TNO- Microbiology & Systems Biology, Zeist, Netherlands
| | - Gert J. de Borst
- Department of Vascular Surgery, University Medical Center Utrecht, University of Utrecht, Utrecht, Netherlands
| | - Folkert W. Asselbergs
- Department of Cardiology, Division Heart & Lungs, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands
- Faculty of Population Health Sciences, Institute of Cardiovascular Science, University College London, London, United Kingdom
- Health Data Research UK and Institute of Health Informatics, University College London, London, United Kingdom
| | - Dennie Tempel
- Central Diagnostics Laboratory, University Medical Center Utrecht, University of Utrecht, Utrecht, Netherlands
- Quorics B.V., Rotterdam, Netherlands
- SkylineDx B.V., Rotterdam, Netherlands
| | - Gerard Pasterkamp
- Central Diagnostics Laboratory, University Medical Center Utrecht, University of Utrecht, Utrecht, Netherlands
| | - Sander W. van der Laan
- Central Diagnostics Laboratory, University Medical Center Utrecht, University of Utrecht, Utrecht, Netherlands
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11
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Georgakis MK, van der Laan SW, Asare Y, Mekke JM, Haitjema S, Schoneveld AH, de Jager SCA, Nurmohamed NS, Kroon J, Stroes ESG, de Kleijn DPV, de Borst GJ, Maegdefessel L, Soehnlein O, Pasterkamp G, Dichgans M. Monocyte-Chemoattractant Protein-1 Levels in Human Atherosclerotic Lesions Associate With Plaque Vulnerability. Arterioscler Thromb Vasc Biol 2021; 41:2038-2048. [PMID: 33827260 DOI: 10.1161/atvbaha.121.316091] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Marios K Georgakis
- Institute for Stroke and Dementia Research, University Hospital, LMU Munich, Germany (M.K.G., Y.A., M.D.)
| | - Sander W van der Laan
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, University of Utrecht, the Netherlands (S.W.v.d.L., S.C.A.d.J.)
| | - Yaw Asare
- Institute for Stroke and Dementia Research, University Hospital, LMU Munich, Germany (M.K.G., Y.A., M.D.)
| | - Joost M Mekke
- Department of Vascular Surgery, Division of Surgical Specialties (J.M.M., D.P.V.d.K., G.J.d.B.), University Medical Centre Utrecht, Utrecht University, the Netherlands
| | - Saskia Haitjema
- Center Diagnostic Laboratory, Division Laboratories and Pharmacy (S.H., A.H.S., G.P.), University Medical Centre Utrecht, Utrecht University, the Netherlands
| | - Arjan H Schoneveld
- Center Diagnostic Laboratory, Division Laboratories and Pharmacy (S.H., A.H.S., G.P.), University Medical Centre Utrecht, Utrecht University, the Netherlands
| | - Saskia C A de Jager
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, University of Utrecht, the Netherlands (S.W.v.d.L., S.C.A.d.J.)
| | - Nick S Nurmohamed
- Department of Vascular Medicine (N.S.N., E.S.G.S.), Amsterdam University Medical Centers (UMC), University of Amsterdam, the Netherlands.,Department of Cardiology (N.S.N.), Amsterdam University Medical Centers (UMC), University of Amsterdam, the Netherlands
| | - Jeffrey Kroon
- Department of Experimental Vascular Medicine, Amsterdam Cardiovascular Sciences (J.K.), Amsterdam University Medical Centers (UMC), University of Amsterdam, the Netherlands
| | - Erik S G Stroes
- Department of Vascular Medicine (N.S.N., E.S.G.S.), Amsterdam University Medical Centers (UMC), University of Amsterdam, the Netherlands
| | - Dominique P V de Kleijn
- Department of Vascular Surgery, Division of Surgical Specialties (J.M.M., D.P.V.d.K., G.J.d.B.), University Medical Centre Utrecht, Utrecht University, the Netherlands
| | - Gert J de Borst
- Department of Vascular Surgery, Division of Surgical Specialties (J.M.M., D.P.V.d.K., G.J.d.B.), University Medical Centre Utrecht, Utrecht University, the Netherlands
| | - Lars Maegdefessel
- Department for Vascular and Endovascular Surgery, Klinikum Rechts der Isar, Technical University Munich, Germany (L.M.).,German Center for Cardiovascular Research (DZHK partner site), Munich, Germany (L.M.)
| | - Oliver Soehnlein
- Institute for Cardiovascular Prevention, Klinikum LMU Munich, Germany (O.S.).,German Center for Cardiovascular Research, Partner Site Munich Heart Alliance, Munich, Germany (O.S.).,Department of Physiology and Pharmacology, Karolinska Institute, Stockholm, Sweden (O.S.).,Institute for Experimental Pathology (ExPat), Center for Molecular Biology of Inflammation, University of Münster, Germany (O.S.)
| | - Gerard Pasterkamp
- Center Diagnostic Laboratory, Division Laboratories and Pharmacy (S.H., A.H.S., G.P.), University Medical Centre Utrecht, Utrecht University, the Netherlands
| | - Martin Dichgans
- Institute for Stroke and Dementia Research, University Hospital, LMU Munich, Germany (M.K.G., Y.A., M.D.).,Munich Cluster for Systems Neurology (SyNergy), Germany (M.D.)
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12
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Waissi F, Dekker M, Timmerman N, Hoogeveen RM, van Bennekom J, Dzobo KE, Schnitzler JG, Pasterkamp G, Grobbee DE, de Borst GJ, Stroes ES, de Kleijn DP, Kroon J. Elevated Lp(a) (Lipoprotein[a]) Levels Increase Risk of 30-Day Major Adverse Cardiovascular Events in Patients Following Carotid Endarterectomy. Stroke 2020; 51:2972-2982. [DOI: 10.1161/strokeaha.120.030616] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Background and Purpose:
General population studies have shown that elevated Lp(a) (lipoprotein[a]) levels are an emerging risk factor for cardiovascular disease and subsequent cardiovascular events. The role of Lp(a) for the risk of secondary MACE in patients undergoing carotid endarterectomy (CEA) is unknown. Our objective is to assess the association of elevated Lp(a) levels with the risk of secondary MACE in patients undergoing CEA.
Methods:
Lp(a) concentrations were determined in preoperative blood samples of 944 consecutive patients with CEA included in the Athero-Express Biobank Study. During 3-year follow-up, major adverse cardiovascular events (MACE), consisting of myocardial infarction, stroke, and cardiovascular death, were documented.
Results:
After 3 years follow-up, Kaplan-Meier cumulative event rates for MACE were 15.4% in patients with high Lp(a) levels (>137 nmol/L; >80th cohort percentile) and 10.2% in patients with low Lp(a) levels (≤137 nmol/L; ≤80th cohort percentile; log-rank test:
P
=0.047). Cox regression analyses adjusted for conventional cardiovascular risk factors revealed a significant association between high Lp(a) levels and 3-year MACE with an adjusted hazard ratio of 1.69 (95% CI, 1.07–2.66). One-third of MACE occurred within 30 days after CEA, with an adjusted hazard ratio for the 30-day risk of MACE of 2.05 (95% CI, 1.01–4.17). Kaplan-Meier curves from time point 30 days to 3 years onward revealed no significant association between high Lp(a) levels and MACE. Lp(a) levels were not associated with histological carotid plaque characteristics.
Conclusions:
High Lp(a) levels (>137 nmol/L; >80th cohort percentile) are associated with an increased risk of 30-day MACE after CEA. This identifies elevated Lp(a) levels as a new potential risk factor for secondary cardiovascular events in patients after carotid surgery. Future studies are required to investigate whether Lp(a) levels might be useful in guiding treatment algorithms for carotid intervention.
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Affiliation(s)
- Farahnaz Waissi
- Division of Surgical Specialties, Department of Vascular Surgery (F.W., M.D., N.T., J.v.B., G.J.d.B., D.P.V.d.K.), University Medical Center Utrecht, Utrecht University, the Netherlands
- Netherlands Heart Institute, Utrecht, the Netherlands (F.W., M.D., D.P.V.d.K.)
- Department of Cardiology (F.W., M.D.), Amsterdam Cardiovascular Sciences, Amsterdam University Medical Centers, University of Amsterdam, the Netherlands
| | - Mirthe Dekker
- Division of Surgical Specialties, Department of Vascular Surgery (F.W., M.D., N.T., J.v.B., G.J.d.B., D.P.V.d.K.), University Medical Center Utrecht, Utrecht University, the Netherlands
- Netherlands Heart Institute, Utrecht, the Netherlands (F.W., M.D., D.P.V.d.K.)
- Department of Cardiology (F.W., M.D.), Amsterdam Cardiovascular Sciences, Amsterdam University Medical Centers, University of Amsterdam, the Netherlands
| | - Nathalie Timmerman
- Division of Surgical Specialties, Department of Vascular Surgery (F.W., M.D., N.T., J.v.B., G.J.d.B., D.P.V.d.K.), University Medical Center Utrecht, Utrecht University, the Netherlands
| | - Renate M. Hoogeveen
- Department of Vascular Medicine (R.M.H., E.D.G.S.), Amsterdam Cardiovascular Sciences, Amsterdam University Medical Centers, University of Amsterdam, the Netherlands
| | - Joelle van Bennekom
- Division of Surgical Specialties, Department of Vascular Surgery (F.W., M.D., N.T., J.v.B., G.J.d.B., D.P.V.d.K.), University Medical Center Utrecht, Utrecht University, the Netherlands
| | - Kim E. Dzobo
- Department of Experimental Vascular Medicine (K.E.D., J.G.S., J.K.), Amsterdam Cardiovascular Sciences, Amsterdam University Medical Centers, University of Amsterdam, the Netherlands
| | - Johan G. Schnitzler
- Department of Experimental Vascular Medicine (K.E.D., J.G.S., J.K.), Amsterdam Cardiovascular Sciences, Amsterdam University Medical Centers, University of Amsterdam, the Netherlands
| | - Gerard Pasterkamp
- Laboratory of Experimental Cardiology, Division Laboratories and Pharmacy, Department of Clinical Chemistry and Hematology (G.P.), University Medical Center Utrecht, Utrecht University, the Netherlands
| | - Diederick E. Grobbee
- Julius Center for Health Sciences and Primary Care (D.E.G.), University Medical Center Utrecht, Utrecht University, the Netherlands
| | - Gert J. de Borst
- Division of Surgical Specialties, Department of Vascular Surgery (F.W., M.D., N.T., J.v.B., G.J.d.B., D.P.V.d.K.), University Medical Center Utrecht, Utrecht University, the Netherlands
| | - Erik S.G. Stroes
- Department of Vascular Medicine (R.M.H., E.D.G.S.), Amsterdam Cardiovascular Sciences, Amsterdam University Medical Centers, University of Amsterdam, the Netherlands
| | - Dominique P.V. de Kleijn
- Division of Surgical Specialties, Department of Vascular Surgery (F.W., M.D., N.T., J.v.B., G.J.d.B., D.P.V.d.K.), University Medical Center Utrecht, Utrecht University, the Netherlands
- Netherlands Heart Institute, Utrecht, the Netherlands (F.W., M.D., D.P.V.d.K.)
| | - Jeffrey Kroon
- Department of Experimental Vascular Medicine (K.E.D., J.G.S., J.K.), Amsterdam Cardiovascular Sciences, Amsterdam University Medical Centers, University of Amsterdam, the Netherlands
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13
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de Bakker M, Timmerman N, van Koeverden ID, de Kleijn DPV, de Borst GJ, Pasterkamp G, Boersma E, den Ruijter HM. The age- and sex-specific composition of atherosclerotic plaques in vascular surgery patients. Atherosclerosis 2020; 310:1-10. [PMID: 32861960 DOI: 10.1016/j.atherosclerosis.2020.07.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 06/15/2020] [Accepted: 07/15/2020] [Indexed: 01/03/2023]
Abstract
BACKGROUND AND AIMS The sex- and age-related differences in the composition of iliofemoral atherosclerotic plaques are largely unknown. Therefore, the aim of the current study is to gain insight into plaque composition across strata of age and sex in a large cohort of vascular surgery patients. METHODS Peripheral atherosclerotic plaques of patients who underwent iliofemoral endarterectomy (n = 790) were harvested between 2002 and 2014. The plaques were semi-quantitatively analyzed for the presence of lipid cores, calcifications, plaque hemorrhages (PH), collagen, macrophage and smooth muscle cell (SMC) content, and quantitatively for microvessel density. Patients were stratified by age tertiles and sex. RESULTS Ageing was independently associated with rupture-prone iliofemoral plaque characteristics, such as higher prevalence of plaque calcifications (OR 1.52 (95%CI:1.03-2.24) p = 0.035) and PH (OR 1.46 (95%CI:1.01-2.09) p = 0.042), and lower prevalence of collagen (OR 0.52 (95%CI:0.31-0.86) p = 0.012) and SMCs (OR 0.59 (95%CI:0.39-0.90) p = 0.015). Sex-stratified data showed that men had a higher prevalence of lipid cores (OR 1.62 (95%CI:1.06-2.45) p = 0.025) and PH (OR 1.62 (95%CI:1.16-2.54) p = 0.004) compared to women. These sex-differences attenuated with increasing age, with women showing an age-related increase in calcifications (p = 0.002), PH (p = 0.015) and decrease in macrophages (p = 0.005). In contrast, men only showed a decrease in collagen (p = 0.043). CONCLUSIONS Atherosclerotic iliofemoral plaques derived from men display more rupture-prone characteristics compared to women. Yet, this difference is attenuated with an increase in age, with older women having more rupture-prone characteristics compared to younger women.
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Affiliation(s)
- Marie de Bakker
- Erasmus MC, University Medical Center Rotterdam, Department of Cardiology, the Netherlands
| | - Nathalie Timmerman
- Department of Vascular Surgery, University Medical Center Utrecht, University of Utrecht, Utrecht, the Netherlands
| | - Ian D van Koeverden
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, University of Utrecht, Utrecht, the Netherlands
| | - Dominique P V de Kleijn
- Department of Experimental Vascular Surgery, University Medical Center Utrecht, University of Utrecht, Utrecht, the Netherlands
| | - Gert J de Borst
- Department of Vascular Surgery, University Medical Center Utrecht, University of Utrecht, Utrecht, the Netherlands
| | - Gerard Pasterkamp
- Laboratory of Clinical Chemistry and Hematology, University Medical Center Utrecht, University of Utrecht, Utrecht, the Netherlands
| | - Eric Boersma
- Erasmus MC, University Medical Center Rotterdam, Department of Cardiology, the Netherlands
| | - Hester M den Ruijter
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, University of Utrecht, Utrecht, the Netherlands.
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14
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Timmerman N, de Kleijn DPV, de Borst GJ, den Ruijter HM, Asselbergs FW, Pasterkamp G, Haitjema S, van der Laan SW. Family history and polygenic risk of cardiovascular disease: Independent factors associated with secondary cardiovascular events in patients undergoing carotid endarterectomy. Atherosclerosis 2020; 307:121-129. [PMID: 32624175 DOI: 10.1016/j.atherosclerosis.2020.04.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Revised: 04/03/2020] [Accepted: 04/22/2020] [Indexed: 01/01/2023]
Abstract
BACKGROUND AND AIMS Family history (FHx) of cardiovascular disease (CVD) is a risk factor for CVD and a proxy for cardiovascular heritability. Polygenic risk scores (PRS) summarizing >1 million variants for coronary artery disease (CAD) are associated with incident and recurrent CAD events. However, little is known about the influence of FHx or PRS on secondary cardiovascular events (sCVE) in patients undergoing carotid endarterectomy (CEA). METHODS We included 1788 CEA patients from the Athero-Express Biobank. A weighted PRS for CAD including 1.7 million variants was calculated (MetaGRS). The composite endpoint of sCVE during three years of follow-up included coronary, cerebrovascular and peripheral events and cardiovascular death. We assessed the impact of FHx and MetaGRS on sCVE and carotid plaque composition. RESULTS Positive FHx was associated with a higher 3-year risk of sCVE independent of cardiovascular risk factors and MetaGRS (adjusted HR 1.40, 95%CI 1.07-1.82, p = 0.013). Patients in the highest MetaGRS quintile had a higher 3-year risk of sCVE compared to the rest of the cohort independent of cardiovascular risk factors including FHx (adjusted HR 1.35, 95%CI 1.01-1.79, p = 0.043), and their atherosclerotic plaques contained more fat (adjusted OR 1.59, 95%CI, 1.11-2.29, p = 0.013) and more macrophages (OR 1.49, 95%CI 1.12-1.99, p = 0.006). CONCLUSIONS In CEA patients, both positive FHx and higher MetaGRS were independently associated with increased risk of sCVE. Moreover, higher MetaGRS was associated with vulnerable plaque characteristics. Future studies should unravel underlying mechanisms and focus on the added value of PRS and FHx in individual risk prediction for sCVE.
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Affiliation(s)
- Nathalie Timmerman
- Department of Vascular Surgery, Division of Surgical Specialties, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Dominique P V de Kleijn
- Department of Vascular Surgery, Division of Surgical Specialties, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Gert J de Borst
- Department of Vascular Surgery, Division of Surgical Specialties, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Hester M den Ruijter
- Laboratory of Experimental Cardiology, Division Heart & Lungs, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Folkert W Asselbergs
- Department of Cardiology, Division Heart & Lungs, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands; Durrer Center for Cardiogenetic Research, ICIN-Netherlands Heart Institute, Utrecht, the Netherlands; Institute of Cardiovascular Science, Faculty of Population Health Sciences, University College London, London, UK
| | - Gerard Pasterkamp
- Laboratory of Clinical Chemistry and Hematology, Division Laboratories and Pharmacy, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Saskia Haitjema
- Laboratory of Clinical Chemistry and Hematology, Division Laboratories and Pharmacy, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Sander W van der Laan
- Laboratory of Clinical Chemistry and Hematology, Division Laboratories and Pharmacy, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands.
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15
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van Koeverden ID, de Bakker M, Haitjema S, van der Laan SW, de Vries JPPM, Hoefer IE, de Borst GJ, Pasterkamp G, den Ruijter HM. Testosterone to oestradiol ratio reflects systemic and plaque inflammation and predicts future cardiovascular events in men with severe atherosclerosis. Cardiovasc Res 2020; 115:453-462. [PMID: 30052805 DOI: 10.1093/cvr/cvy188] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Accepted: 07/19/2018] [Indexed: 11/13/2022] Open
Abstract
Aims The effects of testosterone on cardiovascular disease (CVD) as reported in literature have been ambiguous. Recently, the interplay between testosterone and oestradiol as assessed by testosterone/oestradiol (T/E2) ratio was suggested to be better informative on the normal physiological balance. Considering the role in CVD, we hypothesized that a low T/E2 ratio in men with CVD is associated with increased inflammation, a more unstable plaque and a worse cardiovascular outcome. Methods and results Testosterone and oestradiol concentrations were determined in blood samples of 611 male carotid endarterectomy patients included in the Athero-Express Biobank Study. T/E2 ratio was associated with baseline characteristics, atherosclerotic plaque specimens, inflammatory biomarkers, and 3 year follow-up information. Patients with low T/E2 ratio had more unfavourable inflammatory profiles compared with patients with high T/E2 as observed by higher levels of C-reactive protein [2.81 μg/mL vs. 1.22 μg/mL (P < 0.001)] and higher leucocyte counts [8.98*109/L vs. 7.75*109/L (P = 0.001)] in blood. In atherosclerotic plaques, a negative association between T/E2 ratio and number of neutrophils [B = -0.366 (P = 0.012)], plaque calcifications [OR: 0.816 (P = 0.044)], interleukin-6 (IL-6) [B = -0.15 (P = 0.009)], and IL-6 receptor [B = -0.13 (P = 0.024)] was found. Furthermore, in multivariate Cox regression analysis, low T/E2 ratio was independently associated with an increased risk for major cardiovascular events (MACE) during 3 year follow-up [hazard ratio 1.67 (95% confidence interval 1.02-2.76), P = 0.043]. In men with elevated body mass index (BMI), these effects were strongest. Conclusion In male patients with manifest atherosclerotic disease, low T/E2 ratio was associated with increased systemic inflammation, increased inflammatory plaque proteins, and an increased risk of future MACE as compared to men with normal T/E2 ratio. These effects are strongest in men with elevated BMI and are expected to be affected by aromatase activity in white fat tissues. Normalization of T/E2 ratio may be considered as target for the secondary prevention of CVD in men.
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Affiliation(s)
- Ian D van Koeverden
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, University of Utrecht, Heidelberglaan 100, CX Utrecht, The Netherlands
| | - Marie de Bakker
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, University of Utrecht, Heidelberglaan 100, CX Utrecht, The Netherlands
| | - Saskia Haitjema
- Laboratory of Clinical Chemistry and Haematology, University Medical Center Utrecht, University of Utrecht, Utrecht, The Netherlands
| | - Sander W van der Laan
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, University of Utrecht, Heidelberglaan 100, CX Utrecht, The Netherlands
| | | | - Imo E Hoefer
- Laboratory of Clinical Chemistry and Haematology, University Medical Center Utrecht, University of Utrecht, Utrecht, The Netherlands
| | - Gert J de Borst
- Department of Vascular Surgery, University Medical Center Utrecht, University of Utrecht, Utrecht, The Netherlands
| | - Gerard Pasterkamp
- Laboratory of Clinical Chemistry and Haematology, University Medical Center Utrecht, University of Utrecht, Utrecht, The Netherlands
| | - Hester M den Ruijter
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, University of Utrecht, Heidelberglaan 100, CX Utrecht, The Netherlands
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16
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Fassaert LMM, Timmerman N, van Koeverden ID, Pasterkamp G, de Kleijn DPV, de Borst GJ. Preoperative hypertension is associated with atherosclerotic intraplaque hemorrhage in patients undergoing carotid endarterectomy. Atherosclerosis 2019; 290:214-221. [PMID: 31610883 DOI: 10.1016/j.atherosclerosis.2019.09.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 07/29/2019] [Accepted: 09/19/2019] [Indexed: 12/24/2022]
Abstract
BACKGROUND AND AIMS Both hypertension and atherosclerotic plaque characteristics such as intraplaque hemorrhage (IPH) are associated with cardiovascular events (CVE). It is unknown if hypertension is associated with IPH. Therefore, we studied if hypertension is associated with unstable atherosclerotic plaque characteristics in patients undergoing carotid endarterectomy (CEA). METHODS Prospectively collected data of CEA-patients (2002-2014) were retrospectively analyzed. Blood pressure (BP) was the mean of 3 preoperative measurements. Preoperative hypertension was defined as systolic BP ≥ 160 mmHg. Post-CEA, carotid atherosclerotic plaques were analyzed for the presence of calcifications, collagen, smooth muscle cells, macrophages, lipid core, IPH and microvessel density. Associations between BP (systolic and diastolic), patient characteristics and carotid plaque characteristics were assessed with univariate and multivariate analyses with correction for potential confounders. Results were replicated in a cohort of patients that underwent iliofemoral endarterectomy. RESULTS Within CEA-patients (n = 1684), 708 (42%) had preoperative hypertension. Increased systolic BP was associated with the presence of plaque calcifications (adjusted OR1.11 [95% CI 1.01-1.22], p = 0.03), macrophages (adjusted OR1.12 [1.04-1.21], p < 0.01), lipid core >10% of plaque area (adjusted OR1.15 [1.05-1.25], p < 0.01), IPH (adjusted OR1.12 [1.03-1.21], p = 0.01) and microvessels (adjusted beta 0.04 [0.00-0.08], p = 0.03). Increased diastolic BP was associated with macrophages (adjusted OR1.36 [1.17-1.58], p < 0.01), lipid core (adjusted OR1.29 [1.10-1.53], p < 0.01) and IPH (adjusted OR1.25 [1.07-1.46], p < 0.01) but not with microvessels nor plaque calcifications. Replication in an iliofemoral-cohort (n = 657) showed that increased diastolic BP was associated with the presence of macrophages (adjusted OR1.78 [1.13-2.91], p = 0.01), lipid core (adjusted OR1.45 [1.06-1.98], p = 0.02) and IPH (adjusted OR1.48 [1.14-1.93], p < 0.01). CONCLUSIONS Preoperative hypertension in severely atherosclerotic patients is associated with the presence of carotid plaque macrophages, lipid core and IPH. IPH, as a plaque marker for CVE, is associated with increased systolic and diastolic BP in both the CEA and iliofemoral population.
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Affiliation(s)
- Leonie M M Fassaert
- Department of Vascular Surgery, University Medical Centre Utrecht, University Utrecht, Utrecht, the Netherlands
| | - Nathalie Timmerman
- Department of Vascular Surgery, University Medical Centre Utrecht, University Utrecht, Utrecht, the Netherlands
| | - Ian D van Koeverden
- Department of Experimental Cardiology, University Medical Centre Utrecht, University Utrecht, Utrecht, the Netherlands
| | - Gerard Pasterkamp
- Laboratory of Clinical Chemistry and Hematology, University Medical Centre Utrecht, University Utrecht, Utrecht, the Netherlands
| | - Dominique P V de Kleijn
- Department of Vascular Surgery, University Medical Centre Utrecht, University Utrecht, Utrecht, the Netherlands
| | - Gert J de Borst
- Department of Vascular Surgery, University Medical Centre Utrecht, University Utrecht, Utrecht, the Netherlands.
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17
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van Koeverden ID, Scholtes VPW, den Ruijter HM, Hazenberg SCE, de Kleijn DPV, de Borst GJ. The Impact of Diabetes and Time on the Atherosclerotic Plaque and Cardiovascular Outcome in Patients Undergoing Iliofemoral Endarterectomy. Eur J Vasc Endovasc Surg 2019; 57:832-841. [PMID: 30910497 DOI: 10.1016/j.ejvs.2018.10.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Accepted: 10/13/2018] [Indexed: 10/27/2022]
Abstract
OBJECTIVE The incidence of diabetes is rapidly increasing and diabetes is associated with an increased risk of peripheral artery disease. Recent studies have shown a time dependent decline in vulnerable plaque features and secondary cardiovascular events in iliofemoral endarterectomy (IFE) patients. IFE patients with diabetes have a high risk of cardiovascular events. It is not known, however, whether vulnerable plaque features and cardiovascular events reduce over time in IFE patients with diabetes. METHODS Between 2003 and 2014, 691 atherosclerotic plaques were obtained by IFE, from 212 patients with and 479 patients without diabetes. Plaques were immunohistochemically stained and analysed for the presence of intraplaque haemorrhage, lipid core, calcification, collagen, smooth muscle cells, and macrophages. Patients were stratified according to their diabetic status and year of inclusion. All patients had a follow up of three years in which cardiovascular adverse events were recorded. RESULTS A time dependent decrease was observed in intraplaque haemorrhage, plaque lipid core, and percentage of macrophages in IFE patients with diabetes. After multivariable correction for changes in risk factors over time, intraplaque haemorrhage (64.2% [2002-2005] vs. 39.6% [2012-2014], p = .01) became significantly less prevalent. Interestingly, the percentage of severely calcified plaques remained high over time. The number of secondary events decreased over time in patients without diabetes (HR 1.80, 95% CI 1.15-2.81 (p = .010) for 2002-2005 vs. 2012-2014), but remained high and unchanged in patients with diabetes. CONCLUSION In patients with diabetes undergoing IFE, a time dependent stabilisation of atherosclerotic plaque features was found in line with previous observations in patients with severe atherosclerosis. The presence of severely calcified lesions remained high and unchanged. The secondary event rate remained high in patients with diabetes in contrast to a significant decrease in patients without diabetes. These findings stress the need for improvement of care in IFE patients with diabetes.
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Affiliation(s)
- Ian D van Koeverden
- Laboratory of Experimental Cardiology, University Medical Centre Utrecht, Utrecht, the Netherlands
| | - Vincent P W Scholtes
- Department of Vascular Surgery, University Medical Centre Utrecht, Utrecht, the Netherlands
| | - Hester M den Ruijter
- Laboratory of Experimental Cardiology, University Medical Centre Utrecht, Utrecht, the Netherlands
| | - Stijn C E Hazenberg
- Department of Vascular Surgery, University Medical Centre Utrecht, Utrecht, the Netherlands
| | - Dominique P V de Kleijn
- Department of Experimental Vascular Surgery, University Medical Centre Utrecht, Utrecht, the Netherlands
| | - Gert J de Borst
- Department of Vascular Surgery, University Medical Centre Utrecht, Utrecht, the Netherlands.
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18
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Meeuwsen JAL, de Vries JJ, van Duijvenvoorde A, van der Velden S, van der Laan SW, van Koeverden ID, van de Weg SM, de Borst GJ, de Winther MPJ, Kuiper J, Pasterkamp G, Hoefer IE, de Jager SCA. Circulating CD14 +CD16 - classical monocytes do not associate with a vulnerable plaque phenotype, and do not predict secondary events in severe atherosclerotic patients. J Mol Cell Cardiol 2019; 127:260-269. [PMID: 30629987 DOI: 10.1016/j.yjmcc.2019.01.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 12/01/2018] [Accepted: 01/04/2019] [Indexed: 12/25/2022]
Abstract
AIMS Mouse studies have established distinct monocyte subtypes that participate in the process of atherosclerotic lesion formation. The pro-inflammatory Ly6Chigh monocyte subtype actively contributes to murine plaque progression and destabilization. Also in humans, different peripheral monocyte subtypes have been identified, of which the CD14+CD16- classical monocyte is suggested to display similar pro-atherosclerotic properties as the murine Ly6Chigh subtype. We aimed to investigate if circulating CD14+CD16- classical monocytes associate with characteristics of a vulnerable carotid atherosclerotic plaque and if they associate with the risk of secondary adverse manifestations of atherosclerotic disease. METHODS AND RESULTS We enrolled 175 carotid endarterectomy patients of the Athero-Express biobank in our study. Just prior to surgical procedure, blood was collected and peripheral blood mononuclear cells were isolated. Characterization of monocyte subsets was performed by flow cytometry. Plaque characteristics were semi-quantitatively scored for the presence of fat, collagen, intraplaque hemorrhage and calcification. Vessel density, smooth muscle cells and macrophages were assessed quantitatively on a continuous scale. All features of a vulnerable plaque phenotype, including low amounts of collagen and smooth muscle cells, and increased fat content, vessel density, intraplaque hemorrhage and plaque macrophages were not significantly associated with differential levels of peripheral classical CD14+CD16- monocytes or other monocyte subsets. Using Cox regression models to evaluate the prognostic value of circulating monocyte subtypes, we found that total counts of peripheral monocytes, as well as CD14+CD16- classical and other monocyte subtypes were not associated with the risk of secondary cardiovascular events during 3 years follow-up. CONCLUSION Circulating classical CD14+CD16- monocytes do not associate with specific vulnerable plaque characteristics. In addition, they do not predict secondary adverse manifestations. This suggests that in patients with established carotid artery disease, the circulating monocytes do not reflect plaque characteristics and have no value in identifying patients at risk for future cardiovascular events.
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Affiliation(s)
- John A L Meeuwsen
- Laboratory for Experimental Cardiology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Judith J de Vries
- Laboratory for Experimental Cardiology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Amerik van Duijvenvoorde
- Laboratory for Experimental Cardiology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Saskia van der Velden
- Department of Medical Biochemistry, Experimental Vascular Biology, Academic Medical Center, Amsterdam, the Netherlands
| | - Sander W van der Laan
- Laboratory for Clinical Chemistry and Haematology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Ian D van Koeverden
- Laboratory for Experimental Cardiology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Sander M van de Weg
- Laboratory for Experimental Cardiology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Gert J de Borst
- Department of Vascular Surgery, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Menno P J de Winther
- Department of Medical Biochemistry, Experimental Vascular Biology, Academic Medical Center, Amsterdam, the Netherlands
| | - Johan Kuiper
- Division of Biotherapeutics, Leiden Academic Centre for Drug Research, Leiden University, Leiden, the Netherlands
| | - Gerard Pasterkamp
- Laboratory for Clinical Chemistry and Haematology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Imo E Hoefer
- Laboratory for Experimental Cardiology, University Medical Center Utrecht, Utrecht, the Netherlands.; Laboratory for Clinical Chemistry and Haematology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Saskia C A de Jager
- Laboratory for Experimental Cardiology, University Medical Center Utrecht, Utrecht, the Netherlands.; Laboratory of Translational Immunology, University Medical Center Utrecht, Utrecht, the Netherlands.
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19
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Compound Ultrasound Strain Imaging for Noninvasive Detection of (Fibro)Atheromatous Plaques: Histopathological Validation in Human Carotid Arteries. JACC Cardiovasc Imaging 2018; 9:1466-1467. [PMID: 27931528 DOI: 10.1016/j.jcmg.2016.05.008] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Revised: 05/13/2016] [Accepted: 05/19/2016] [Indexed: 11/24/2022]
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20
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van Haelst ST, Haitjema S, Derksen W, van Koeverden I, de Vries JPP, Moll FL, den Ruijter HM, Pasterkamp G, de Borst GJ. Atherosclerotic plaque characteristics are not associated with future cardiovascular events in patients undergoing iliofemoral endarterectomy. J Vasc Surg 2018; 67:809-816.e1. [DOI: 10.1016/j.jvs.2017.07.112] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Accepted: 07/12/2017] [Indexed: 10/18/2022]
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21
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Wesseling M, van Koeverden ID, van Lammeren GW, van der Laan SW, Haitjema S, de Vries JPPM, den Ruijter HM, de Jager SCA, Hoefer I, Blankestijn P, Verhaar M, de Kleijn DPV, de Borst GJ, Pasterkamp G. Impaired kidney function is associated with intraplaque hemorrhage in patients undergoing carotid endarterectomy. Atherosclerosis 2017; 266:128-135. [PMID: 29024865 DOI: 10.1016/j.atherosclerosis.2017.09.025] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Revised: 08/17/2017] [Accepted: 09/21/2017] [Indexed: 02/02/2023]
Abstract
BACKGROUND AND AIMS Previously, we showed that patients undergoing carotid endarterectomy have an increased risk for major atherosclerotic events in the presence of moderate or poor kidney function. Acceleration of vascular inflammatory responses is considered to be causally involved in progression of atherogenesis and poor outcome in chronic kidney disease patients. The association between kidney function and plaque composition has not been thoroughly investigated yet. The aim of this study was to investigate the association between kidney function and atherosclerotic plaque composition in patients undergoing carotid endarterectomy. METHODS Atherosclerotic plaques, harvested from 1796 patients who underwent carotid endarterectomy, were immunohistochemically stained for macrophages, smooth muscle cells, calcifications, collagen, microvessels, lipid core size and intraplaque hemorrhage. Cytokines were measured in plaque and plasma and associated with kidney function. Quantitative proteomics were performed on 40 carotid plaques and associated with kidney function. RESULTS Decreased kidney function was associated with increased odds ratio of intraplaque hemorrhage, OR 1.15 (95% CI; 1.02-1.29 (p = 0.024)) and increased odds ratio of fibrous-atheromatous plaques (plaques with lipid core presenting more than 10% of total plaque surface) OR 1.21 (95% CI; 1.07-1.38 (p = 0.003)) per decrease of 20 points in eGFR. Proteomics revealed that decreased kidney function was associated with upregulation of the classical pathway of the complement system and the intrinsic pathway of the coagulation system. CONCLUSIONS Decreased kidney function was associated with plaque hemorrhage but not with inflammatory plaque characteristics. Our data suggests that other pathways than the inflammation-pathway are involved in plaque vulnerability and poor outcome in patients with decreased kidney function.
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Affiliation(s)
- Marian Wesseling
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Ian D van Koeverden
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Guus W van Lammeren
- Department of Vascular Surgery, St. Antonius Hospital, Nieuwegein, The Netherlands
| | - Sander W van der Laan
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Saskia Haitjema
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, Utrecht, The Netherlands
| | | | - Hester M den Ruijter
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Saskia C A de Jager
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Imo Hoefer
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Peter Blankestijn
- Department of Nephrology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Marianne Verhaar
- Department of Nephrology, University Medical Center Utrecht, Utrecht, The Netherlands
| | | | - Gert J de Borst
- Department of Vascular Surgery, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Gerard Pasterkamp
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, Utrecht, The Netherlands.
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22
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De Haan JJ, Haitjema S, den Ruijter HM, Pasterkamp G, de Borst GJ, Teraa M, Verhaar MC, Gremmels H, de Jager SCA. Growth Differentiation Factor 15 Is Associated With Major Amputation and Mortality in Patients With Peripheral Artery Disease. J Am Heart Assoc 2017; 6:JAHA.117.006225. [PMID: 28855167 PMCID: PMC5634279 DOI: 10.1161/jaha.117.006225] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Background Peripheral artery disease (PAD) is one of the most common clinical presentations of atherosclerosis, and its prevalence is still increasing. Despite improvement of health care, morbidity and mortality risks remain high, including the risk of amputation. GDF15 (growth differentiation factor 15) is a member of the transforming growth factor family that is involved in apoptosis and inflammation; therefore, GDF15 is a potential biomarker to identify patients at high risk of adverse clinical outcomes. Methods and Results Circulating GDF15 levels were measured using a multiplex immunoassay in patients with critical limb ischemia and PAD from 2 different patient cohorts that included patients with clinically manifest PAD: the JUVENTAS (Rejuvenating Endothelial Progenitor Cells via Transcutaneous Intra‐Arterial Supplementation) trial (n=160, 67 major events; critical limb ischemia) and the Athero‐Express Biobank (n=386, 64 major events; PAD). Kaplan–Meier curves demonstrated that high levels of GDF15 were associated with increased risk of major events, defined as major amputation (at or above the ankle joint) and all‐cause mortality, in both cohorts (highest versus lowest, JUVENTAS: hazard ratio: 4.01 [95% confidence interval, 2.05–7.84; P<0.0001]; Athero‐Express: hazard ratio: 3.27 [95% confidence interval, 1.64–6.54; P=0.0008]). In the JUVENTAS trial, this was more pronounced in women. Cox proportional multivariable regression models with median follow‐up of 3 years, corrected for common confounders, showed hazard ratios of 1.70 (95% confidence interval, 1.18–2.69; P=0.0053) and 1.57 (95% confidence interval, 1.02–2.41; P=0.041) per 2.78‐fold increase of GDF15 in JUVENTAS and Athero‐Express, respectively. Conclusions High GDF15 levels are associated with increased risk of major amputation and/or death in PAD patients. GDF15 levels could be of additive value to identify patients who are at high risk of amputation or death and could help guide treatment choices.
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Affiliation(s)
- Judith J De Haan
- Laboratory for Experimental Cardiology, University Medical Center Utrecht, the Netherlands
| | - Saskia Haitjema
- Laboratory for Experimental Cardiology, University Medical Center Utrecht, the Netherlands
| | - Hester M den Ruijter
- Laboratory for Experimental Cardiology, University Medical Center Utrecht, the Netherlands
| | - Gerard Pasterkamp
- Laboratory for Experimental Cardiology, University Medical Center Utrecht, the Netherlands.,Laboratory for Clinical Chemistry and Haematology, University Medical Center Utrecht, the Netherlands
| | - Gert J de Borst
- Department of Vascular Surgery, University Medical Center Utrecht, the Netherlands
| | - Martin Teraa
- Department of Vascular Surgery, University Medical Center Utrecht, the Netherlands
| | - Marianne C Verhaar
- Department of Nephrology and Hypertension, University Medical Center Utrecht, the Netherlands
| | - Hendrik Gremmels
- Department of Nephrology and Hypertension, University Medical Center Utrecht, the Netherlands
| | - Saskia C A de Jager
- Laboratory for Experimental Cardiology, University Medical Center Utrecht, the Netherlands .,Laboratory of Translational Immunology, University Medical Center Utrecht, the Netherlands
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23
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Pilely K, Fumagalli S, Rosbjerg A, Genster N, Skjoedt MO, Perego C, Ferrante AMR, De Simoni MG, Garred P. C-Reactive Protein Binds to Cholesterol Crystals and Co-Localizes with the Terminal Complement Complex in Human Atherosclerotic Plaques. Front Immunol 2017; 8:1040. [PMID: 28900428 PMCID: PMC5581807 DOI: 10.3389/fimmu.2017.01040] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Accepted: 08/11/2017] [Indexed: 12/24/2022] Open
Abstract
Inflammation is a part of the initial process leading to atherosclerosis and cholesterol crystals (CC), found in atherosclerotic plaques, which are known to induce complement activation. The pentraxins C-reactive protein (CRP), long pentraxin 3 (PTX3), and serum amyloid P component (SAP) are serum proteins associated with increased risk of cardiovascular events and these proteins have been shown to interact with the complement system. Whether the pentraxins binds to CC and mediate downstream complement-dependent inflammatory processes remains unknown. Binding of CRP, PTX3, and SAP to CC was investigated in vitro by flow cytometry and fluorescence microscopy. CRP, PTX3, and SAP bound to CC in a concentration-dependent manner. CRP and PTX3 interacted with the complement pattern recognition molecule C1q on CC by increasing the binding of both purified C1q and C1q in plasma. However, CRP was the strongest mediator of C1q binding and also the pentraxin that most potently elevated C1q-mediated complement activation. In a phagocytic assay using whole blood, we confirmed that phagocytosis of CC is complement dependent and initiated by C1q-mediated activation. The pathophysiological relevance of the in vitro observations was examined in vivo in human atherosclerotic plaques. CRP, PTX3, and SAP were all found in atherosclerotic plaques and were located mainly in the cholesterol-rich necrotic core, but co-localization with the terminal C5b-9 complement complex was only found for CRP. In conclusion, this study identifies CRP as a strong C1q recruiter and complement facilitator on CC, which may be highly relevant for the development of atherosclerosis.
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Affiliation(s)
- Katrine Pilely
- Laboratory of Molecular Medicine, Department of Clinical Immunology, Section 7631, Faculty of Health and Medical Sciences, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Stefano Fumagalli
- Istituto di Ricerche Farmacologiche Mario Negri, Department of Neuroscience, IRCCS, Milan, Italy
| | - Anne Rosbjerg
- Laboratory of Molecular Medicine, Department of Clinical Immunology, Section 7631, Faculty of Health and Medical Sciences, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Ninette Genster
- Laboratory of Molecular Medicine, Department of Clinical Immunology, Section 7631, Faculty of Health and Medical Sciences, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Mikkel-Ole Skjoedt
- Laboratory of Molecular Medicine, Department of Clinical Immunology, Section 7631, Faculty of Health and Medical Sciences, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Carlo Perego
- Istituto di Ricerche Farmacologiche Mario Negri, Department of Neuroscience, IRCCS, Milan, Italy
| | - Angela M R Ferrante
- Università Cattolica del S.Cuore, Istituto di Patologia Chirurgica, Fondazione "Policlinico Universitario A. Gemelli", Polo Scienze cardiovascolari e toraciche, Roma, Italy
| | - Maria-Grazia De Simoni
- Istituto di Ricerche Farmacologiche Mario Negri, Department of Neuroscience, IRCCS, Milan, Italy
| | - Peter Garred
- Laboratory of Molecular Medicine, Department of Clinical Immunology, Section 7631, Faculty of Health and Medical Sciences, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
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Birdina J, Pilmane M, Ligers A. The Morphofunctional Changes in the Wall of Varicose Veins. Ann Vasc Surg 2017; 42:274-284. [DOI: 10.1016/j.avsg.2016.10.064] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Revised: 09/16/2016] [Accepted: 10/17/2016] [Indexed: 11/24/2022]
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25
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Joffre J, Potteaux S, Zeboudj L, Loyer X, Boufenzer A, Laurans L, Esposito B, Vandestienne M, de Jager SCA, Hénique C, Zlatanova I, Taleb S, Bruneval P, Tedgui A, Mallat Z, Gibot S, Ait-Oufella H. Genetic and Pharmacological Inhibition of TREM-1 Limits the Development of Experimental Atherosclerosis. J Am Coll Cardiol 2017; 68:2776-2793. [PMID: 28007141 DOI: 10.1016/j.jacc.2016.10.015] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Revised: 09/12/2016] [Accepted: 10/04/2016] [Indexed: 01/19/2023]
Abstract
BACKGROUND Innate immune responses activated through myeloid cells contribute to the initiation, progression, and complications of atherosclerosis in experimental models. However, the critical upstream pathways that link innate immune activation to foam cell formation are still poorly identified. OBJECTIVES This study sought to investigate the hypothesis that activation of the triggering receptor expressed on myeloid cells (TREM-1) plays a determinant role in macrophage atherogenic responses. METHODS After genetically invalidating Trem-1 in chimeric Ldlr-/-Trem-1-/- mice and double knockout ApoE-/-Trem-1-/- mice, we pharmacologically inhibited Trem-1 using LR12 peptide. RESULTS Ldlr-/- mice reconstituted with bone marrow deficient for Trem-1 (Trem-1-/-) showed a strong reduction of atherosclerotic plaque size in both the aortic sinus and the thoracoabdominal aorta, and were less inflammatory compared to plaques of Trem-1+/+ chimeric mice. Genetic invalidation of Trem-1 led to alteration of monocyte recruitment into atherosclerotic lesions and inhibited toll-like receptor 4 (TLR 4)-initiated proinflammatory macrophage responses. We identified a critical role for Trem-1 in the upregulation of cluster of differentiation 36 (CD36), thereby promoting the formation of inflammatory foam cells. Genetic invalidation of Trem-1 in ApoE-/-/Trem-1-/- mice or pharmacological blockade of Trem-1 in ApoE-/- mice using LR-12 peptide also significantly reduced the development of atherosclerosis throughout the vascular tree, and lessened plaque inflammation. TREM-1 was expressed in human atherosclerotic lesions, mainly in lipid-rich areas with significantly higher levels of expression in atheromatous than in fibrous plaques. CONCLUSIONS We identified TREM-1 as a major upstream proatherogenic receptor. We propose that TREM-1 activation orchestrates monocyte/macrophage proinflammatory responses and foam cell formation through coordinated and combined activation of CD36 and TLR4. Blockade of TREM-1 signaling may constitute an attractive novel and double-hit approach for the treatment of atherosclerosis.
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Affiliation(s)
- Jeremie Joffre
- INSERM U970, Paris Cardiovascular Research Center, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Stephane Potteaux
- INSERM U970, Paris Cardiovascular Research Center, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Lynda Zeboudj
- INSERM U970, Paris Cardiovascular Research Center, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Xavier Loyer
- INSERM U970, Paris Cardiovascular Research Center, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | | | - Ludivine Laurans
- INSERM U970, Paris Cardiovascular Research Center, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Bruno Esposito
- INSERM U970, Paris Cardiovascular Research Center, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Marie Vandestienne
- INSERM U970, Paris Cardiovascular Research Center, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Saskia C A de Jager
- Laboratory for Experimental Cardiology, University Medical Center, Utrecht, the Netherlands
| | - Carole Hénique
- INSERM U970, Paris Cardiovascular Research Center, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Ivana Zlatanova
- INSERM U970, Paris Cardiovascular Research Center, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Soraya Taleb
- INSERM U970, Paris Cardiovascular Research Center, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Patrick Bruneval
- INSERM U970, Paris Cardiovascular Research Center, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France; Department of Anatomopathology, Hôpital Européen Georges Pompidou, Assistance Publique-Hopitaux de Paris, Paris, France
| | - Alain Tedgui
- INSERM U970, Paris Cardiovascular Research Center, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Ziad Mallat
- INSERM U970, Paris Cardiovascular Research Center, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France; Department of Medicine, Division of Cardiovascular Medicine, University of Cambridge, Cambridge, United Kingdom
| | - Sebastien Gibot
- INSERM Unité mixte de Recherche-S1116, Faculté de Médecine, Université de Lorraine, Medical Intensive Care Unit, Hôpital Central, Nancy, France
| | - Hafid Ait-Oufella
- INSERM U970, Paris Cardiovascular Research Center, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France; Medical Intensive Care Unit, Hôpital Saint-Antoine, Assistance Publique-Hopitaux de Paris, Université Pierre-et-Marie Curie, Paris, France.
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26
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Fumagalli S, Perego C, Zangari R, De Blasio D, Oggioni M, De Nigris F, Snider F, Garred P, Ferrante AMR, De Simoni MG. Lectin Pathway of Complement Activation Is Associated with Vulnerability of Atherosclerotic Plaques. Front Immunol 2017; 8:288. [PMID: 28360913 PMCID: PMC5352714 DOI: 10.3389/fimmu.2017.00288] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Accepted: 02/28/2017] [Indexed: 12/20/2022] Open
Abstract
Inflammatory mechanisms may be involved in atherosclerotic plaque rupture. By using a novel histology-based method to quantify plaque instability here, we assess whether lectin pathway (LP) of complement activation, a major inflammation arm, could represent an index of plaque instability. Plaques from 42 consecutive patients undergoing carotid endarterectomy were stained with hematoxylin-eosin and the lipid core, cholesterol clefts, hemorrhagic content, thickness of tunica media, and intima, including or not infiltration of cellular debris and cholesterol, were determined. The presence of ficolin-1, -2, and -3 and mannose-binding lectin (MBL), LP initiators, was assessed in the plaques by immunofluorescence and in plasma by ELISA. LP activation was assessed in plasma by functional in vitro assays. Patients presenting low stenosis (≤75%) had higher hemorrhagic content than those with high stenosis (>75%), indicating increased erosion. Increased hemorrhagic content and tunica media thickness, as well as decreased lipid core and infiltrated content were associated with vulnerable plaques and therefore used to establish a plaque vulnerability score that allowed to classify patients according to plaque vulnerability. Ficolins and MBL were found both in plaques’ necrotic core and tunica media. Patients with vulnerable plaques showed decreased plasma levels and intraplaque deposition of ficolin-2. Symptomatic patients experiencing a transient ischemic attack had lower plasma levels of ficolin-1. We show that the LP initiators are present within the plaques and their circulating levels change in atherosclerotic patients. In particular, we show that decreased ficolin-2 levels are associated with rupture-prone vulnerable plaques, indicating its potential use as marker for cardiovascular risk assessment in atherosclerotic patients.
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Affiliation(s)
- Stefano Fumagalli
- Department of Neuroscience, IRCCS - Istituto di Ricerche Farmacologiche Mario Negri , Milan , Italy
| | - Carlo Perego
- Department of Neuroscience, IRCCS - Istituto di Ricerche Farmacologiche Mario Negri , Milan , Italy
| | - Rosalia Zangari
- Department of Neuroscience, IRCCS - Istituto di Ricerche Farmacologiche Mario Negri , Milan , Italy
| | - Daiana De Blasio
- Department of Neuroscience, IRCCS - Istituto di Ricerche Farmacologiche Mario Negri , Milan , Italy
| | - Marco Oggioni
- Department of Neuroscience, IRCCS - Istituto di Ricerche Farmacologiche Mario Negri , Milan , Italy
| | - Francesca De Nigris
- Vascular Surgery Unit, Catholic University of Sacred Heart Medical School "A. Gemelli University Hospital" Foundation , Rome , Italy
| | - Francesco Snider
- Vascular Surgery Unit, Catholic University of Sacred Heart Medical School "A. Gemelli University Hospital" Foundation , Rome , Italy
| | - Peter Garred
- Laboratory of Molecular Medicine, Department of Clinical Immunology, Section 7631, Rigshospitalet, Faculty of Medical and Health Sciences, University of Copenhagen , Copenhagen , Denmark
| | - Angela M R Ferrante
- Vascular Surgery Unit, Catholic University of Sacred Heart Medical School "A. Gemelli University Hospital" Foundation , Rome , Italy
| | - Maria-Grazia De Simoni
- Department of Neuroscience, IRCCS - Istituto di Ricerche Farmacologiche Mario Negri , Milan , Italy
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27
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van Haelst ST, Haitjema S, de Vries JPP, Moll FL, Pasterkamp G, den Ruijter HM, de Borst GJ. Patients with diabetes differ in atherosclerotic plaque characteristics and have worse clinical outcome after iliofemoral endarterectomy compared with patients without diabetes. J Vasc Surg 2017; 65:414-421.e5. [DOI: 10.1016/j.jvs.2016.06.110] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Accepted: 06/25/2016] [Indexed: 01/16/2023]
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28
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Haitjema S, van Haelst ST, de Vries JPP, Moll FL, den Ruijter HM, de Borst GJ, Pasterkamp G. Time-dependent differences in femoral artery plaque characteristics of peripheral arterial disease patients. Atherosclerosis 2016; 255:66-72. [DOI: 10.1016/j.atherosclerosis.2016.10.039] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Revised: 09/20/2016] [Accepted: 10/20/2016] [Indexed: 11/26/2022]
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29
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Hansen HHG, de Borst GJ, Bots ML, Moll FL, Pasterkamp G, de Korte CL. Validation of Noninvasive In Vivo Compound Ultrasound Strain Imaging Using Histologic Plaque Vulnerability Features. Stroke 2016; 47:2770-2775. [PMID: 27686104 DOI: 10.1161/strokeaha.116.014139] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Accepted: 08/24/2014] [Indexed: 11/16/2022]
Abstract
BACKGROUND AND PURPOSE Carotid plaque rupture is a major cause of stroke. Key issue for risk stratification is early identification of rupture-prone plaques. A noninvasive technique, compound ultrasound strain imaging, was developed providing high-resolution radial deformation/strain images of atherosclerotic plaques. This study aims at in vivo validation of compound ultrasound strain imaging in patients by relating the measured strains to typical features of vulnerable plaques derived from histology after carotid endarterectomy. MATERIALS AND METHODS Strains were measured in 34 severely stenotic (>70%) carotid arteries at the culprit lesion site within 48 hours before carotid endarterectomy. In all cases, the lumen-wall boundary was identifiable on B-mode ultrasound, and the imaged cross-section did not move out of the imaging plane from systole to diastole. After endarterectomy, the plaques were processed using a validated histology analysis technique. RESULTS Locally elevated strain values were observed in regions containing predominantly components related to plaque vulnerability, whereas lower values were observed in fibrous, collagen-rich plaques. The median strain of the inner plaque layer (1 mm thickness) was significantly higher (P<0.01) for (fibro)atheromatous (n=20, strain=0.27%) than that for fibrous plaques (n=14, strain=-0.75%). Also, a significantly larger area percentage of the inner layer revealed strains above 0.5% for (fibro)atheromatous (45.30%) compared with fibrous plaques (31.59%). (Fibro)atheromatous plaques were detected with a sensitivity, specificity, positive predictive value, and negative predictive value of 75%, 86%, 88%, and 71%, respectively. Strain did not significantly correlate with fibrous cap thickness, smooth muscle cell, or macrophage concentration. CONCLUSIONS Compound ultrasound strain imaging allows differentiating (fibro)atheromatous from fibrous carotid artery plaques.
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Affiliation(s)
- Hendrik H G Hansen
- From the Medical Ultrasound Imaging Center, Department of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen, The Netherlands (H.H.G.H., C.L.d.K.); and Department of Vascular Surgery (G.J.d.B., F.L.M.), Julius Center for Health Sciences and Primary Care (M.L.B.), and Laboratory of Experimental Cardiology and Laboratory of Clinical Chemistry (G.P.), University Medical Center Utrecht, The Netherlands.
| | - Gert Jan de Borst
- From the Medical Ultrasound Imaging Center, Department of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen, The Netherlands (H.H.G.H., C.L.d.K.); and Department of Vascular Surgery (G.J.d.B., F.L.M.), Julius Center for Health Sciences and Primary Care (M.L.B.), and Laboratory of Experimental Cardiology and Laboratory of Clinical Chemistry (G.P.), University Medical Center Utrecht, The Netherlands
| | - Michiel L Bots
- From the Medical Ultrasound Imaging Center, Department of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen, The Netherlands (H.H.G.H., C.L.d.K.); and Department of Vascular Surgery (G.J.d.B., F.L.M.), Julius Center for Health Sciences and Primary Care (M.L.B.), and Laboratory of Experimental Cardiology and Laboratory of Clinical Chemistry (G.P.), University Medical Center Utrecht, The Netherlands
| | - Frans L Moll
- From the Medical Ultrasound Imaging Center, Department of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen, The Netherlands (H.H.G.H., C.L.d.K.); and Department of Vascular Surgery (G.J.d.B., F.L.M.), Julius Center for Health Sciences and Primary Care (M.L.B.), and Laboratory of Experimental Cardiology and Laboratory of Clinical Chemistry (G.P.), University Medical Center Utrecht, The Netherlands
| | - Gerard Pasterkamp
- From the Medical Ultrasound Imaging Center, Department of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen, The Netherlands (H.H.G.H., C.L.d.K.); and Department of Vascular Surgery (G.J.d.B., F.L.M.), Julius Center for Health Sciences and Primary Care (M.L.B.), and Laboratory of Experimental Cardiology and Laboratory of Clinical Chemistry (G.P.), University Medical Center Utrecht, The Netherlands
| | - Chris L de Korte
- From the Medical Ultrasound Imaging Center, Department of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen, The Netherlands (H.H.G.H., C.L.d.K.); and Department of Vascular Surgery (G.J.d.B., F.L.M.), Julius Center for Health Sciences and Primary Care (M.L.B.), and Laboratory of Experimental Cardiology and Laboratory of Clinical Chemistry (G.P.), University Medical Center Utrecht, The Netherlands
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Abstract
Glucocorticoids (GCs) are widely used anti-inflammatory drugs well known to cause many adverse effects. Still, there is a dearth of data on the long-term cardiovascular effects of GCs in patients with established cardiovascular disease and the effect on atherosclerotic plaque composition. A total of 1894 patients who underwent carotid endarterectomy (CEA), of whom 40 patients received systemic GCs, were included in the Athero-Express Biobank. Atherosclerotic plaque samples and peripheral blood samples were obtained during CEA. Cardiovascular events during 3 years of follow-up were investigated using Cox regression modeling to adjust for possible confounding. Atherosclerotic plaque composition was examined using immunohistochemical staining. Use of GCs at inclusion was associated with markedly increased incidences of ischemic stroke (15.2% vs. 5.9%), composite events (48.5% vs. 26.9%), and cardiovascular death (21.2% vs. 5.7%), as well as an increased risk of cardiovascular death (hazards ratio 2.7, 95% confidence interval, 1.1-6.7) and all-cause death (hazards ratio 2.3, 95% confidence interval, 1.1-4.8) after 2.6 years of follow-up. None of the histological features of atherosclerotic plaques were significantly different in patients using GCs. After CEA, the use of systemic GCs is independently associated with an increased incidence of cardiovascular events and an increased risk of cardiovascular and all-cause death, but not atherosclerotic plaque composition.
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Siemelink M, van der Laan S, van Setten J, de Vries J, de Borst G, Moll F, den Ruijter H, Asselbergs F, Pasterkamp G, de Bakker P. Common variants associated with blood lipid levels do not affect carotid plaque composition. Atherosclerosis 2015; 242:351-6. [DOI: 10.1016/j.atherosclerosis.2015.07.041] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2015] [Revised: 07/04/2015] [Accepted: 07/24/2015] [Indexed: 10/23/2022]
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Asciutto G, Dias NV, Edsfeldt A, Nitulescu M, Persson A, Nilsson M, Dunér P, Nilsson J, Gonçalves I. Low elastin content of carotid plaques is associated with increased risk of ipsilateral stroke. PLoS One 2015; 10:e0121086. [PMID: 25803692 PMCID: PMC4372356 DOI: 10.1371/journal.pone.0121086] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2014] [Accepted: 01/28/2015] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVES Atherosclerotic plaques with a low content of connective tissue proteins are believed to have an increased risk of rupture and to give rise to clinical events. The aim of the present study was to investigate if the content of elastin, collagen and of the matrix metalloproteinase (MMP) -1, -3, -9 and -12 in plaques removed at surgery can be associated with the occurrence of ipsilateral symptoms. METHODS The atherosclerotic plaques of 221 patients undergoing carotid endarterectomy were analyzed and their composition was related to the incidence of preoperative, intraoperative and postoperative neurological events. RESULTS Elastin, collagen and MMP-12 contents were lower in males and diabetic patients. Elastin (P .010), MMP-3 (P .008) and MMP-9 (P < .0001) were lower, while MMP-1 (P .004) and MMP-9 (P .002) were higher in plaques of patients with preoperative symptoms, even after correction for the time between the occurrence of symptoms and surgery. Elastin and MMP-12 decreased (r = -0.17, P .009 and r = -.288, P <.0001 respectively) while MMP-1 (r = 0.17, P .012) and MMP-9 (r = .21 P <.0001) increased with age. After a mean follow-up time of 39.6 ± 16.6 months, 7.7% of patients had suffered one or multiple ipsilateral neurological events. Patients with plaque elastin levels lower than the median (52 mg/g) had increased post-operative incidence of ipsilateral stroke (P for trend 0.009 using Log Rank Chi-square test). This finding was confirmed when controlling for age, gender, hypertension, diabetes, smoking, pre-operative symptoms and statin usage in a Cox Proportional Hazard model (hazard ratio 7.38, 95% C.I. 1.50-36.31). CONCLUSIONS These observations support the concept that elastin may be important for plaque stability, and suggest that a low plaque content of elastin is associated with a higher risk for ipsilateral stroke.
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Affiliation(s)
- Giuseppe Asciutto
- Vascular Centre Malmö-Lund, Skåne University Hospital, Malmö, Sweden
- * E-mail:
| | - Nuno V Dias
- Vascular Centre Malmö-Lund, Skåne University Hospital, Malmö, Sweden
| | - Andreas Edsfeldt
- Experimental Cardiovascular Research Unit, Clinical Research Centre, Dept. of Clinical Sciences Malmö, Lund University, Malmö, Sweden
- Department of Cardiology, Skåne University Hospital, Malmö, Sweden
| | - Mihaela Nitulescu
- Experimental Cardiovascular Research Unit, Clinical Research Centre, Dept. of Clinical Sciences Malmö, Lund University, Malmö, Sweden
| | - Ana Persson
- Experimental Cardiovascular Research Unit, Clinical Research Centre, Dept. of Clinical Sciences Malmö, Lund University, Malmö, Sweden
- Department of Cardiology, Skåne University Hospital, Malmö, Sweden
| | - Marie Nilsson
- Experimental Cardiovascular Research Unit, Clinical Research Centre, Dept. of Clinical Sciences Malmö, Lund University, Malmö, Sweden
- Department of Cardiology, Skåne University Hospital, Malmö, Sweden
| | - Pontus Dunér
- Experimental Cardiovascular Research Unit, Clinical Research Centre, Dept. of Clinical Sciences Malmö, Lund University, Malmö, Sweden
| | - Jan Nilsson
- Experimental Cardiovascular Research Unit, Clinical Research Centre, Dept. of Clinical Sciences Malmö, Lund University, Malmö, Sweden
| | - Isabel Gonçalves
- Experimental Cardiovascular Research Unit, Clinical Research Centre, Dept. of Clinical Sciences Malmö, Lund University, Malmö, Sweden
- Department of Cardiology, Skåne University Hospital, Malmö, Sweden
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Vrijenhoek JEP, Nelissen BGL, Velema E, Vons K, de Vries JPPM, Eijkemans MJC, Ruijter HMD, de Borst GJ, Moll FL, Pasterkamp G. High reproducibility of histological characterization by whole virtual slide quantification; an example using carotid plaque specimens. PLoS One 2014; 9:e115907. [PMID: 25541691 PMCID: PMC4277457 DOI: 10.1371/journal.pone.0115907] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2014] [Accepted: 11/28/2014] [Indexed: 11/24/2022] Open
Abstract
Objective Tissue biobanks are an important source for discovery and validation studies aiming for new proteins that are causally related with disease development. There is an increasing demand for accurate and reproducible histological characterization, especially for subsequent analysis and interpretation of data in association studies. We assessed reproducibility of one semiquantative and two quantitative methods for histological tissue characterization. We introduce a new automated method for whole digital slide quantification. Carotid atherosclerotic plaques were used to test reproducibility. Methods 50 atherosclerotic plaques that were obtained during carotid endarterectomy were analysed. For the semiquantitative analysis, 6 different plaque characteristics were scored in categories by two independent observers, and Cohen's κ was used to test intra- and interobserver reproducibility. The computer-aided method (assessed by two independent observers) and automated method were tested on CD68 (for macrophages) and α smooth muscle actin (for smooth muscle cells) stainings. Agreement for these two methods (done on a continuous scale) was assessed by intraclass correlation coefficients (ICCs). Results For the semiquantitative analysis, κ values ranged from 0.55 to 0.69 for interobserver variability, and were slightly higher for intraobserver reproducibility in both observers. The computer-aided method yielded intra- and interobserver ICCs between 0.6 and 0.9. The new automated method performed most optimal regarding reproducibility, with ICCs ranging from 0.92 to 0.97. Conclusions The analysis of performance of three methods for histological slide characterization on carotid atherosclerotic plaques showed high precision and agreement in repeated measurements for the automated method for whole digital slide quantification. We suggest that this method can fulfill the need for reproducible histological quantification.
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Affiliation(s)
- Joyce E. P. Vrijenhoek
- Experimental Cardiology Laboratory, University Medical Center Utrecht, Utrecht, the Netherlands
- Interuniversity Cardiology Institute of the Netherlands, Utrecht, the Netherlands
- Department of Vascular Surgery, University Medical Center Utrecht, Utrecht, the Netherlands
- * E-mail:
| | - Bastiaan G. L. Nelissen
- Experimental Cardiology Laboratory, University Medical Center Utrecht, Utrecht, the Netherlands
- Department of Vascular Surgery, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Evelyn Velema
- Experimental Cardiology Laboratory, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Kristy Vons
- Experimental Cardiology Laboratory, University Medical Center Utrecht, Utrecht, the Netherlands
| | | | - Marinus J. C. Eijkemans
- Julius Center of Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Hester M. den. Ruijter
- Experimental Cardiology Laboratory, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Gert Jan de Borst
- Department of Vascular Surgery, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Frans L. Moll
- Department of Vascular Surgery, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Gerard Pasterkamp
- Experimental Cardiology Laboratory, University Medical Center Utrecht, Utrecht, the Netherlands
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A lipid-poor plaque and asymptomatic status in women are associated with higher peak systolic velocity on duplex ultrasound after carotid endarterectomy. Atherosclerosis 2014; 237:677-83. [DOI: 10.1016/j.atherosclerosis.2014.10.093] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2014] [Revised: 10/16/2014] [Accepted: 10/20/2014] [Indexed: 11/17/2022]
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35
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Hurks R, Kropman RH, Pennekamp CW, Hoefer IE, de Vries JPP, Pasterkamp G, Vink A, Moll FL. Popliteal artery aneurysms differ from abdominal aortic aneurysms in cellular topography and inflammatory markers. J Vasc Surg 2014; 60:1514-9. [DOI: 10.1016/j.jvs.2014.08.088] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2014] [Accepted: 08/17/2014] [Indexed: 10/24/2022]
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36
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Nelissen BGL, van Herwaarden JA, Moll FL, van Diest PJ, Pasterkamp G. SlideToolkit: an assistive toolset for the histological quantification of whole slide images. PLoS One 2014; 9:e110289. [PMID: 25372389 PMCID: PMC4220929 DOI: 10.1371/journal.pone.0110289] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2014] [Accepted: 09/11/2014] [Indexed: 11/24/2022] Open
Abstract
The demand for accurate and reproducible phenotyping of a disease trait increases with the rising number of biobanks and genome wide association studies. Detailed analysis of histology is a powerful way of phenotyping human tissues. Nonetheless, purely visual assessment of histological slides is time-consuming and liable to sampling variation and optical illusions and thereby observer variation, and external validation may be cumbersome. Therefore, within our own biobank, computerized quantification of digitized histological slides is often preferred as a more precise and reproducible, and sometimes more sensitive approach. Relatively few free toolkits are, however, available for fully digitized microscopic slides, usually known as whole slides images. In order to comply with this need, we developed the slideToolkit as a fast method to handle large quantities of low contrast whole slides images using advanced cell detecting algorithms. The slideToolkit has been developed for modern personal computers and high-performance clusters (HPCs) and is available as an open-source project on github.com. We here illustrate the power of slideToolkit by a repeated measurement of 303 digital slides containing CD3 stained (DAB) abdominal aortic aneurysm tissue from a tissue biobank. Our workflow consists of four consecutive steps. In the first step (acquisition), whole slide images are collected and converted to TIFF files. In the second step (preparation), files are organized. The third step (tiles), creates multiple manageable tiles to count. In the fourth step (analysis), tissue is analyzed and results are stored in a data set. Using this method, two consecutive measurements of 303 slides showed an intraclass correlation of 0.99. In conclusion, slideToolkit provides a free, powerful and versatile collection of tools for automated feature analysis of whole slide images to create reproducible and meaningful phenotypic data sets.
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Affiliation(s)
- Bastiaan G. L. Nelissen
- Department of Vascular Surgery, University Medical Center Utrecht, Utrecht, The Netherlands
- * E-mail:
| | | | - Frans L. Moll
- Department of Vascular Surgery, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Paul J. van Diest
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Gerard Pasterkamp
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, Utrecht, The Netherlands
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Seven-Tesla Magnetic Resonance Imaging of Atherosclerotic Plaque in the Significantly Stenosed Carotid Artery. Invest Radiol 2014; 49:749-57. [DOI: 10.1097/rli.0000000000000079] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Relationship of MMP-14 and TIMP-3 expression with macrophage activation and human atherosclerotic plaque vulnerability. Mediators Inflamm 2014; 2014:276457. [PMID: 25301980 PMCID: PMC4163186 DOI: 10.1155/2014/276457] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2014] [Revised: 07/09/2014] [Accepted: 07/21/2014] [Indexed: 12/15/2022] Open
Abstract
Matrix metalloproteinase-14 (MMP-14) promotes vulnerable plaque morphology in mice, whereas tissue inhibitor of metalloproteinases-3 (TIMP-3) overexpression is protective. MMP-14(hi) TIMP-3(lo) rabbit foam cells are more invasive and more prone to apoptosis than MMP-14(lo) TIMP-3(hi) cells. We investigated the implications of these findings for human atherosclerosis. In vitro generated macrophages and foam-cell macrophages, together with atherosclerotic plaques characterised as unstable or stable, were examined for expression of MMP-14, TIMP-3, and inflammatory markers. Proinflammatory stimuli increased MMP-14 and decreased TIMP-3 mRNA and protein expression in human macrophages. However, conversion to foam-cells with oxidized LDL increased MMP-14 and decreased TIMP-3 protein, independently of inflammatory mediators and partly through posttranscriptional mechanisms. Within atherosclerotic plaques, MMP-14 was prominent in foam-cells with either pro- or anti-inflammatory macrophage markers, whereas TIMP-3 was present in less foamy macrophages and colocalised with CD206. MMP-14 positive macrophages were more abundant whereas TIMP-3 positive macrophages were less abundant in plaques histologically designated as rupture prone. We conclude that foam-cells characterised by high MMP-14 and low TIMP-3 expression are prevalent in rupture-prone atherosclerotic plaques, independent of pro- or anti-inflammatory activation. Therefore reducing MMP-14 activity and increasing that of TIMP-3 could be valid therapeutic approaches to reduce plaque rupture and myocardial infarction.
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Rutten B, Tersteeg C, Vrijenhoek JEP, van Holten TC, Elsenberg EHAM, Mak-Nienhuis EM, de Borst GJ, Jukema JW, Pijls NHJ, Waltenberger J, van Zonneveld AJ, Moll FL, McClellan E, Stubbs A, Pasterkamp G, Hoefer I, de Groot PG, Roest M. Increased platelet reactivity is associated with circulating platelet-monocyte complexes and macrophages in human atherosclerotic plaques. PLoS One 2014; 9:e105019. [PMID: 25122139 PMCID: PMC4133361 DOI: 10.1371/journal.pone.0105019] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2014] [Accepted: 06/29/2014] [Indexed: 12/22/2022] Open
Abstract
OBJECTIVE Platelet reactivity, platelet binding to monocytes and monocyte infiltration play a detrimental role in atherosclerotic plaque progression. We investigated whether platelet reactivity was associated with levels of circulating platelet-monocyte complexes (PMCs) and macrophages in human atherosclerotic carotid plaques. METHODS Platelet reactivity was determined by measuring platelet P-selectin expression after platelet stimulation with increasing concentrations of adenosine diphosphate (ADP), in two independent cohorts: the Circulating Cells cohort (n = 244) and the Athero-Express cohort (n = 91). Levels of PMCs were assessed by flow cytometry in blood samples of patients who were scheduled for percutaneous coronary intervention (Circulating Cells cohort). Monocyte infiltration was semi-quantitatively determined by histological examination of atherosclerotic carotid plaques collected during carotid endarterectomy (Athero-Express cohort). RESULTS We found increased platelet reactivity in patients with high PMCs as compared to patients with low PMCs (median (interquartile range): 4153 (1585-11267) area under the curve (AUC) vs. 9633 (3580-21565) AUC, P<0.001). Also, we observed increased platelet reactivity in patients with high macrophage levels in atherosclerotic plaques as compared to patients with low macrophage levels in atherosclerotic plaques (mean ± SD; 8969 ± 3485 AUC vs. 7020 ± 3442 AUC, P = 0.02). All associations remained significant after adjustment for age, sex and use of drugs against platelet activation. CONCLUSION Platelet reactivity towards ADP is associated with levels of PMCs and macrophages in human atherosclerotic carotid plaques.
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Affiliation(s)
- Bert Rutten
- Laboratory of Clinical Chemistry and Hematology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Claudia Tersteeg
- Laboratory of Clinical Chemistry and Hematology, University Medical Center Utrecht, Utrecht, the Netherlands
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Joyce E. P. Vrijenhoek
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, Utrecht, the Netherlands
- Department of Vascular Surgery, University Medical Center Utrecht, Utrecht, the Netherlands
- Interuniversity Cardiology Institute of the Netherlands, Utrecht, the Netherlands
| | - Thijs C. van Holten
- Laboratory of Clinical Chemistry and Hematology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Ellen H. A. M. Elsenberg
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Elske M. Mak-Nienhuis
- Laboratory of Clinical Chemistry and Hematology, University Medical Center Utrecht, Utrecht, the Netherlands
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Gert Jan de Borst
- Department of Vascular Surgery, University Medical Center Utrecht, Utrecht, the Netherlands
| | - J. Wouter Jukema
- Department of Cardiology, Leiden University Medical Center, Leiden, the Netherlands
| | - Nico H. J. Pijls
- Department of Cardiology, Catharina Hospital, Eindhoven, the Netherlands
| | - Johannes Waltenberger
- Department for Cardiology, Maastricht University Medical Center, Maastricht, the Netherlands
| | - Anton Jan van Zonneveld
- Department of Nephrology and Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Frans L. Moll
- Department of Vascular Surgery, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Elizabeth McClellan
- Department of Bioinformatics, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Andrew Stubbs
- Department of Bioinformatics, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Gerard Pasterkamp
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Imo Hoefer
- Laboratory of Experimental Cardiology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Philip G. de Groot
- Laboratory of Clinical Chemistry and Hematology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Mark Roest
- Laboratory of Clinical Chemistry and Hematology, University Medical Center Utrecht, Utrecht, the Netherlands
- * E-mail:
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Hurks R, Vink A, Hoefer IE, de Vries JPP, Schoneveld AH, Schermerhorn ML, den Ruijter HM, Pasterkamp G, Moll FL. Atherosclerotic risk factors and atherosclerotic postoperative events are associated with low inflammation in abdominal aortic aneurysms. Atherosclerosis 2014; 235:632-41. [DOI: 10.1016/j.atherosclerosis.2014.05.928] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2013] [Revised: 05/08/2014] [Accepted: 05/12/2014] [Indexed: 02/03/2023]
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Scholtes VP, Peeters W, van Lammeren GW, Howard DP, de Vries JPP, de Borst GJ, Redgrave JN, Kemperman H, Schalkwijk CG, den Ruijter HM, de Kleijn DP, Moll FL, Rothwell PM, Pasterkamp G. Type 2 diabetes is not associated with an altered plaque phenotype among patients undergoing carotid revascularization. A histological analysis of 1455 carotid plaques. Atherosclerosis 2014; 235:418-23. [DOI: 10.1016/j.atherosclerosis.2014.05.941] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Revised: 05/13/2014] [Accepted: 05/21/2014] [Indexed: 10/25/2022]
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Niccoli Asabella A, Ciccone MM, Cortese F, Scicchitano P, Gesualdo M, Zito A, Di Palo A, Angiletta D, Regina G, Marzullo A, Rubini G. Higher reliability of 18F-FDG target background ratio compared to standardized uptake value in vulnerable carotid plaque detection: a pilot study. Ann Nucl Med 2014; 28:571-9. [PMID: 24737136 DOI: 10.1007/s12149-014-0850-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2013] [Accepted: 04/01/2014] [Indexed: 11/28/2022]
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van Lammeren GW, den Ruijter HM, Vrijenhoek JEP, van der Laan SW, Velema E, de Vries JPPM, de Kleijn DPV, Vink A, de Borst GJ, Moll FL, Bots ML, Pasterkamp G. Time-dependent changes in atherosclerotic plaque composition in patients undergoing carotid surgery. Circulation 2014; 129:2269-76. [PMID: 24637558 DOI: 10.1161/circulationaha.113.007603] [Citation(s) in RCA: 86] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Time-dependent trends in the incidence of cardiovascular disease have been reported in high-income countries. Because atherosclerosis underlies the majority of cardiovascular diseases, we investigated temporal changes in the composition of atherosclerotic plaques removed from patients undergoing carotid endarterectomy. METHODS AND RESULTS The Athero-Express study is an ongoing, longitudinal, vascular biobank study that includes the collection of atherosclerotic plaques of patients undergoing primary carotid endarterectomy in the province of Utrecht from 2002 to 2011. Histopathologic features of plaques of 1583 patients were analyzed in intervals of 2 years. The analysis included quantification of collagen, calcifications, lipid cores, plaque thrombosis, macrophages, smooth muscle cells, and microvessels. Large atheroma, plaque thrombosis, macrophages, and calcifications were less frequently observed over time, with adjusted odds ratios of 0.72 (95% confidence interval, 0.650-0.789), 0.62 (95% confidence interval, 0.569-0.679), 0.87 (95% confidence interval, 0.800-0.940), and 0.75 (95% confidence interval, 0.692-0.816) per 2-year increase in time, respectively. These changes in plaque characteristics were consistently observed in patient subgroups presenting with stroke, transient ischemic attack, ocular symptoms, and asymptomatic patients. Concomitantly, risk factor management and secondary prevention strategies among vascular patients scheduled for carotid endarterectomy significantly improved over the past decade. CONCLUSIONS In conclusion, over the past decade, atherosclerotic plaques harvested during carotid endarterectomy show a time-dependent change in plaque composition characterized by a decrease in features currently believed to be causal for plaque instability. This appears to go hand in hand with improvements in risk factor management.
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Affiliation(s)
- Guus W van Lammeren
- From the Experimental Cardiology Laboratory (G.W.v.L., H.M.d.R., J.E.P.V., S.W.v.d.L., E.V., D.P.V.d.K., G.P.), Departments of Vascular Surgery (G.W.v.L., J.E.P.V., G.J.d.B., F.L.M.) and Pathology (A.V.), and Julius Center for Health Sciences and Primary Care (H.M.d.R., M.L.B.), University Medical Center Utrecht, Utrecht, The Netherlands; Interuniversity Cardiology Institute of the Netherlands, Utrecht, The Netherlands (J.E.P.V., J.-P.P.M.d.V.); Surgery NUS and Cardiovascular Research Institute National University Heart Centre, Singapore (D.P.V.d.K.); and the Department of Vascular Surgery, St Antonius Hospital, Nieuwegein, The Netherlands (J.-P.P.M.d.V.)
| | - Hester M den Ruijter
- From the Experimental Cardiology Laboratory (G.W.v.L., H.M.d.R., J.E.P.V., S.W.v.d.L., E.V., D.P.V.d.K., G.P.), Departments of Vascular Surgery (G.W.v.L., J.E.P.V., G.J.d.B., F.L.M.) and Pathology (A.V.), and Julius Center for Health Sciences and Primary Care (H.M.d.R., M.L.B.), University Medical Center Utrecht, Utrecht, The Netherlands; Interuniversity Cardiology Institute of the Netherlands, Utrecht, The Netherlands (J.E.P.V., J.-P.P.M.d.V.); Surgery NUS and Cardiovascular Research Institute National University Heart Centre, Singapore (D.P.V.d.K.); and the Department of Vascular Surgery, St Antonius Hospital, Nieuwegein, The Netherlands (J.-P.P.M.d.V.)
| | - Joyce E P Vrijenhoek
- From the Experimental Cardiology Laboratory (G.W.v.L., H.M.d.R., J.E.P.V., S.W.v.d.L., E.V., D.P.V.d.K., G.P.), Departments of Vascular Surgery (G.W.v.L., J.E.P.V., G.J.d.B., F.L.M.) and Pathology (A.V.), and Julius Center for Health Sciences and Primary Care (H.M.d.R., M.L.B.), University Medical Center Utrecht, Utrecht, The Netherlands; Interuniversity Cardiology Institute of the Netherlands, Utrecht, The Netherlands (J.E.P.V., J.-P.P.M.d.V.); Surgery NUS and Cardiovascular Research Institute National University Heart Centre, Singapore (D.P.V.d.K.); and the Department of Vascular Surgery, St Antonius Hospital, Nieuwegein, The Netherlands (J.-P.P.M.d.V.)
| | - Sander W van der Laan
- From the Experimental Cardiology Laboratory (G.W.v.L., H.M.d.R., J.E.P.V., S.W.v.d.L., E.V., D.P.V.d.K., G.P.), Departments of Vascular Surgery (G.W.v.L., J.E.P.V., G.J.d.B., F.L.M.) and Pathology (A.V.), and Julius Center for Health Sciences and Primary Care (H.M.d.R., M.L.B.), University Medical Center Utrecht, Utrecht, The Netherlands; Interuniversity Cardiology Institute of the Netherlands, Utrecht, The Netherlands (J.E.P.V., J.-P.P.M.d.V.); Surgery NUS and Cardiovascular Research Institute National University Heart Centre, Singapore (D.P.V.d.K.); and the Department of Vascular Surgery, St Antonius Hospital, Nieuwegein, The Netherlands (J.-P.P.M.d.V.)
| | - Evelyn Velema
- From the Experimental Cardiology Laboratory (G.W.v.L., H.M.d.R., J.E.P.V., S.W.v.d.L., E.V., D.P.V.d.K., G.P.), Departments of Vascular Surgery (G.W.v.L., J.E.P.V., G.J.d.B., F.L.M.) and Pathology (A.V.), and Julius Center for Health Sciences and Primary Care (H.M.d.R., M.L.B.), University Medical Center Utrecht, Utrecht, The Netherlands; Interuniversity Cardiology Institute of the Netherlands, Utrecht, The Netherlands (J.E.P.V., J.-P.P.M.d.V.); Surgery NUS and Cardiovascular Research Institute National University Heart Centre, Singapore (D.P.V.d.K.); and the Department of Vascular Surgery, St Antonius Hospital, Nieuwegein, The Netherlands (J.-P.P.M.d.V.)
| | - Jean-Paul P M de Vries
- From the Experimental Cardiology Laboratory (G.W.v.L., H.M.d.R., J.E.P.V., S.W.v.d.L., E.V., D.P.V.d.K., G.P.), Departments of Vascular Surgery (G.W.v.L., J.E.P.V., G.J.d.B., F.L.M.) and Pathology (A.V.), and Julius Center for Health Sciences and Primary Care (H.M.d.R., M.L.B.), University Medical Center Utrecht, Utrecht, The Netherlands; Interuniversity Cardiology Institute of the Netherlands, Utrecht, The Netherlands (J.E.P.V., J.-P.P.M.d.V.); Surgery NUS and Cardiovascular Research Institute National University Heart Centre, Singapore (D.P.V.d.K.); and the Department of Vascular Surgery, St Antonius Hospital, Nieuwegein, The Netherlands (J.-P.P.M.d.V.)
| | - Dominique P V de Kleijn
- From the Experimental Cardiology Laboratory (G.W.v.L., H.M.d.R., J.E.P.V., S.W.v.d.L., E.V., D.P.V.d.K., G.P.), Departments of Vascular Surgery (G.W.v.L., J.E.P.V., G.J.d.B., F.L.M.) and Pathology (A.V.), and Julius Center for Health Sciences and Primary Care (H.M.d.R., M.L.B.), University Medical Center Utrecht, Utrecht, The Netherlands; Interuniversity Cardiology Institute of the Netherlands, Utrecht, The Netherlands (J.E.P.V., J.-P.P.M.d.V.); Surgery NUS and Cardiovascular Research Institute National University Heart Centre, Singapore (D.P.V.d.K.); and the Department of Vascular Surgery, St Antonius Hospital, Nieuwegein, The Netherlands (J.-P.P.M.d.V.)
| | - Aryan Vink
- From the Experimental Cardiology Laboratory (G.W.v.L., H.M.d.R., J.E.P.V., S.W.v.d.L., E.V., D.P.V.d.K., G.P.), Departments of Vascular Surgery (G.W.v.L., J.E.P.V., G.J.d.B., F.L.M.) and Pathology (A.V.), and Julius Center for Health Sciences and Primary Care (H.M.d.R., M.L.B.), University Medical Center Utrecht, Utrecht, The Netherlands; Interuniversity Cardiology Institute of the Netherlands, Utrecht, The Netherlands (J.E.P.V., J.-P.P.M.d.V.); Surgery NUS and Cardiovascular Research Institute National University Heart Centre, Singapore (D.P.V.d.K.); and the Department of Vascular Surgery, St Antonius Hospital, Nieuwegein, The Netherlands (J.-P.P.M.d.V.)
| | - Gert Jan de Borst
- From the Experimental Cardiology Laboratory (G.W.v.L., H.M.d.R., J.E.P.V., S.W.v.d.L., E.V., D.P.V.d.K., G.P.), Departments of Vascular Surgery (G.W.v.L., J.E.P.V., G.J.d.B., F.L.M.) and Pathology (A.V.), and Julius Center for Health Sciences and Primary Care (H.M.d.R., M.L.B.), University Medical Center Utrecht, Utrecht, The Netherlands; Interuniversity Cardiology Institute of the Netherlands, Utrecht, The Netherlands (J.E.P.V., J.-P.P.M.d.V.); Surgery NUS and Cardiovascular Research Institute National University Heart Centre, Singapore (D.P.V.d.K.); and the Department of Vascular Surgery, St Antonius Hospital, Nieuwegein, The Netherlands (J.-P.P.M.d.V.)
| | - Frans L Moll
- From the Experimental Cardiology Laboratory (G.W.v.L., H.M.d.R., J.E.P.V., S.W.v.d.L., E.V., D.P.V.d.K., G.P.), Departments of Vascular Surgery (G.W.v.L., J.E.P.V., G.J.d.B., F.L.M.) and Pathology (A.V.), and Julius Center for Health Sciences and Primary Care (H.M.d.R., M.L.B.), University Medical Center Utrecht, Utrecht, The Netherlands; Interuniversity Cardiology Institute of the Netherlands, Utrecht, The Netherlands (J.E.P.V., J.-P.P.M.d.V.); Surgery NUS and Cardiovascular Research Institute National University Heart Centre, Singapore (D.P.V.d.K.); and the Department of Vascular Surgery, St Antonius Hospital, Nieuwegein, The Netherlands (J.-P.P.M.d.V.)
| | - Michiel L Bots
- From the Experimental Cardiology Laboratory (G.W.v.L., H.M.d.R., J.E.P.V., S.W.v.d.L., E.V., D.P.V.d.K., G.P.), Departments of Vascular Surgery (G.W.v.L., J.E.P.V., G.J.d.B., F.L.M.) and Pathology (A.V.), and Julius Center for Health Sciences and Primary Care (H.M.d.R., M.L.B.), University Medical Center Utrecht, Utrecht, The Netherlands; Interuniversity Cardiology Institute of the Netherlands, Utrecht, The Netherlands (J.E.P.V., J.-P.P.M.d.V.); Surgery NUS and Cardiovascular Research Institute National University Heart Centre, Singapore (D.P.V.d.K.); and the Department of Vascular Surgery, St Antonius Hospital, Nieuwegein, The Netherlands (J.-P.P.M.d.V.)
| | - Gerard Pasterkamp
- From the Experimental Cardiology Laboratory (G.W.v.L., H.M.d.R., J.E.P.V., S.W.v.d.L., E.V., D.P.V.d.K., G.P.), Departments of Vascular Surgery (G.W.v.L., J.E.P.V., G.J.d.B., F.L.M.) and Pathology (A.V.), and Julius Center for Health Sciences and Primary Care (H.M.d.R., M.L.B.), University Medical Center Utrecht, Utrecht, The Netherlands; Interuniversity Cardiology Institute of the Netherlands, Utrecht, The Netherlands (J.E.P.V., J.-P.P.M.d.V.); Surgery NUS and Cardiovascular Research Institute National University Heart Centre, Singapore (D.P.V.d.K.); and the Department of Vascular Surgery, St Antonius Hospital, Nieuwegein, The Netherlands (J.-P.P.M.d.V.).
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Hellings WE, Moll FL, de Kleijn DPV, Pasterkamp G. 10-years experience with the Athero-Express study. Cardiovasc Diagn Ther 2013; 2:63-73. [PMID: 24282698 DOI: 10.3978/j.issn.2223-3652.2012.02.01] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2012] [Accepted: 02/01/2012] [Indexed: 12/25/2022]
Abstract
From cross-sectional studies we have learned that composition of atherosclerotic plaques differs, and that thrombosis on top of an inflammatory lipid rich plaque is a frequently observed pathological substrate of a cerebral or coronary event. Atherosclerosis develops over decades which hampers human studies on the natural history of the diseases. Therefore, the predictive value of atherosclerotic plaque composition for development of an adverse cardiovascular event is not clear. The elucidation of markers for atherosclerotic disease progression is essential to identify patients at high risk for vascular events, to refine treatment allocation and to serve as surrogate endpoints in pharmaceutical studies. The Athero-Express study is a large scale vascular biobank that collects vascular specimens including a clinical follow-up. This study design allows the prospective study of the local atherosclerotic plaque in relation to future local and systemic vascular outcome. The readout of the study can be assessed in terms of histology as well as RNA or protein level. This paper aims to give an overview of the results of the Athero-Express biobank since its initiation in 2002. We will also discuss the clinical implications and future directions in biobanking research.
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Affiliation(s)
- Willem E Hellings
- Department of Radiology, St. Antonius Hospital, Nieuwegein, The Netherlands
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45
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Vrijenhoek JEP, Den Ruijter HM, De Borst GJ, de Kleijn DPV, De Vries JPPM, Bots ML, Van de Weg SM, Vink A, Moll FL, Pasterkamp G. Sex is associated with the presence of atherosclerotic plaque hemorrhage and modifies the relation between plaque hemorrhage and cardiovascular outcome. Stroke 2013; 44:3318-23. [PMID: 24130138 DOI: 10.1161/strokeaha.113.002633] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND AND PURPOSE Plaque hemorrhage (PH) may lead to accelerated progression of atherosclerotic disease. The presence of local PH in the carotid plaque predicts future cardiovascular events in any vascular territory. We investigated the prevalence of local PH and the predictive value of PH for the occurrence of cardiovascular events in men and women separately. METHODS Atherosclerotic plaques from 1422 patients (969 men, 453 women) who underwent carotid endarterectomy were analyzed histologically for the presence of PH. Patients were monitored for 3 years for cardiovascular events (nonfatal stroke, nonfatal myocardial infarction, vascular death, and vascular intervention). RESULTS Plaques from men showed a significantly higher prevalence of PH compared with women (67% versus 54%; P<0.001). In 1353 patients with available follow-up data, with a median duration of 2.9 years, 270 events had occurred in men (29%) and 94 in women (22%). Stratified by presence of PH, the event rate was 32% in men with PH versus 23% in men without PH, and 23% in women with PH versus 21% in women without PH. A multivariable Cox proportional hazards model found a significant interaction between sex and PH. PH was significantly associated with events in men (adjusted hazard ratio, 1.9; 95% CI, 1.2-2.8) but not in women (adjusted hazard ratio, 1.0; 95% CI, 0.6-1.7). CONCLUSIONS Atherosclerotic carotid plaques obtained from men reveal a higher prevalence of PH compared with women. Local PH is strongly related to secondary manifestations of cardiovascular disease in men but not in women.
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Affiliation(s)
- Joyce E P Vrijenhoek
- From the Experimental Cardiology Laboratory (J.E.P.V., H.M.D.R., D.P.V.d.K., S.M.V.d.W., G.P.), Julius Center of Health Sciences and Primary Care (H.M.D.R., M.L.B.), and Departments of Vascular Surgery (J.E.P.V., G.J.D.B., F.L.M.) and Pathology (A.V.), University Medical Center, Utrecht, the Netherlands; Interuniversity Cardiology Institute of the Netherlands, Utrecht, the Netherlands (J.E.P.V., D.P.V.d.K.); Department of Surgery and Cardiovascular Research Institute, National University (NU) & National University Hospital (NUH), Singapore (D.P.V.d.K.); and Department of Vascular Surgery, St Antonius Hospital, Nieuwegein, the Netherlands (J.-P.P.M.D.V.)
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46
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De Rango P, Brown MM, Leys D, Didier L, Howard VJ, Moore WS, Paciaroni M, Ringleb P, Rockman C, Caso V. Management of carotid stenosis in women: consensus document. Neurology 2013; 80:2258-68. [PMID: 23751919 DOI: 10.1212/wnl.0b013e318296e952] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
OBJECTIVE Specific guidelines for management of cerebrovascular risk in women are currently lacking. This study aims to provide a consensus expert opinion to help make clinical decisions in women with carotid stenosis. METHODS Proposals for the use of carotid endarterectomy (CEA), carotid stenting (CAS), and medical therapy for stroke prevention in women with carotid stenosis were provided by a group of 9 international experts with consensus method. RESULTS Symptomatic women with severe carotid stenosis can be managed by CEA provided that the perioperative risk of the operators is low (<4%). Periprocedural stroke risks may be increased in symptomatic women if revascularization is performed by CAS; however, the choice of CAS vs CEA can be tailored in subgroups best fit for each procedure (e.g., women with restenosis or severe coronary disease, best suited for CAS; women with tortuous vessels or old age, best suited for CEA). There is currently limited evidence to consider medical therapy alone as the best choice for women with neurologically severe asymptomatic carotid stenosis, who should be best managed within randomized trials including a medical arm. Medical management and cardiovascular risk factor control must be implemented in all women with carotid stenosis in periprocedural period and lifelong regardless of whether or not intervention is planned. CONCLUSIONS The suggestions provided in this article may constitute a decision-making basis for planning treatment of carotid stenosis in women. Most recommendations are of limited strength; however, it is unlikely that new robust data will emerge soon to induce relevant changes.
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Affiliation(s)
- Paola De Rango
- Vascular and Endovascular Surgery, Hospital S.M. Misericordia, Perugia, Italy.
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47
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Elkalioubie A, Zawadzki C, Roma-Lavisse C, Chinetti-Gbaguidi G, Tagzirt M, Corseaux D, Juthier F, Vaast B, Vanhoutte J, Vincentelli A, Jude B, Haulon S, Staels B, Susen S, Van Belle E, Dupont A. Free leptin, carotid plaque phenotype and relevance to related symptomatology: insights from the OPAL-Lille carotid endarterectomy study. Int J Cardiol 2013; 168:4879-81. [PMID: 23890921 DOI: 10.1016/j.ijcard.2013.07.048] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2013] [Accepted: 07/03/2013] [Indexed: 11/25/2022]
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48
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Verhagen SN, Vink A, van der Graaf Y, Visseren FL. Coronary perivascular adipose tissue characteristics are related to atherosclerotic plaque size and composition. A post-mortem study. Atherosclerosis 2012; 225:99-104. [DOI: 10.1016/j.atherosclerosis.2012.08.031] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2012] [Revised: 06/08/2012] [Accepted: 08/24/2012] [Indexed: 10/27/2022]
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den Hartog AG, Bovens SM, Koning W, Hendrikse J, Pasterkamp G, Moll FL, de Borst GJ. PLACD-7T Study: Atherosclerotic Carotid Plaque Components Correlated with Cerebral Damage at 7 Tesla Magnetic Resonance Imaging. Curr Cardiol Rev 2012; 7:28-34. [PMID: 22294972 PMCID: PMC3131713 DOI: 10.2174/157340311795677743] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2010] [Revised: 10/16/2010] [Accepted: 01/07/2011] [Indexed: 11/22/2022] Open
Abstract
Introduction: In patients with carotid artery stenosis histological plaque composition is associated with plaque stability and with presenting symptomatology. Preferentially, plaque vulnerability should be taken into account in pre-operative work-up of patients with severe carotid artery stenosis. However, currently no appropriate and conclusive (non-) invasive technique to differentiate between the high and low risk carotid artery plaque in vivo is available. We propose that 7 Tesla human high resolution MRI scanning will visualize carotid plaque characteristics more precisely and will enable correlation of these specific components with cerebral damage. Study objective: The aim of the PlaCD-7T study is 1: to correlate 7T imaging with carotid plaque histology (gold standard); and 2: to correlate plaque characteristics with cerebral damage ((clinically silent) cerebral (micro) infarcts or bleeds) on 7 Tesla high resolution (HR) MRI. Design: We propose a single center prospective study for either symptomatic or asymptomatic patients with haemodynamic significant (70%) stenosis of at least one of the carotid arteries. The Athero-Express (AE) biobank histological analysis will be derived according to standard protocol. Patients included in the AE and our prospective study will undergo a pre-operative 7 Tesla HR-MRI scan of both the head and neck area. Discussion: We hypothesize that the 7 Tesla MRI scanner will allow early identification of high risk carotid plaques being associated with micro infarcted cerebral areas, and will thus be able to identify patients with a high risk of periprocedural stroke, by identification of surrogate measures of increased cardiovascular risk.
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Affiliation(s)
- A G den Hartog
- Departments of Vascular Surgery, Utrecht, the Netherlands, Interuniversity Cardiology Institute of the Netherlands (ICIN), Utrecht, The Netherlands
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van Lammeren G, den Hartog A, Pasterkamp G, Vink A, de Vries JP, Moll F, de Borst G. Asymptomatic Carotid Artery Stenosis: Identification of Subgroups with Different Underlying Plaque Characteristics. Eur J Vasc Endovasc Surg 2012; 43:632-6. [DOI: 10.1016/j.ejvs.2012.03.011] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2011] [Accepted: 03/21/2012] [Indexed: 11/29/2022]
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