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Initial and ongoing tobacco smoking elicits vascular damage and distinct inflammatory response linked to neurodegeneration. Brain Behav Immun Health 2023; 28:100597. [PMID: 36817509 PMCID: PMC9931921 DOI: 10.1016/j.bbih.2023.100597] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 12/07/2022] [Accepted: 01/21/2023] [Indexed: 01/30/2023] Open
Abstract
Tobacco smoking is strongly linked to vascular damage contributing to the development of hypertension, atherosclerosis, as well as increasing the risk for neurodegeneration. Still, the involvement of the innate immune system in the development of vascular damage upon chronic tobacco use before the onset of clinical symptoms is not fully characterized. Our data provide evidence that a single acute exposure to tobacco elicits the secretion of extracellular vesicles expressing CD105 and CD49e from endothelial cells, granting further recognition of early preclinical biomarkers of vascular damage. Furthermore, we investigated the effects of smoking on the immune system of healthy asymptomatic chronic smokers compared to never-smokers, focusing on the innate immune system. Our data reveal a distinct immune landscape representative for early stages of vascular damage in clinically asymptomatic chronic smokers, before tobacco smoking related diseases develop. These results indicate a dysregulated immuno-vascular axis in chronic tobacco smokers that are otherwise considered as healthy individuals. The distinct alterations are characterized by increased CD36 expression by the blood monocyte subsets, neutrophilia and increased plasma IL-18 and reduced levels of IL-33, IL-10 and IL-8. Additionally, reduced levels of circulating BDNF and elevated sTREM2, which are associated with neurodegeneration, suggest a considerable impact of tobacco smoking on CNS function in clinically healthy individuals. These findings provide profound insight into the initial and ongoing effects of tobacco smoking and the potential vascular damage contributing to neurodegenerative disorders, specifically cerebrovascular dysfunction and dementia.
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Roy-Chowdhury E, Brauns N, Helmke A, Nordlohne J, Bräsen JH, Schmitz J, Volkmann J, Fleig SV, Kusche-Vihrog K, Haller H, von Vietinghoff S. Human CD16+ monocytes promote a pro-atherosclerotic endothelial cell phenotype via CX3CR1-CX3CL1 interaction. Cardiovasc Res 2021; 117:1510-1522. [PMID: 32717023 DOI: 10.1093/cvr/cvaa234] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 06/17/2020] [Accepted: 07/22/2020] [Indexed: 12/31/2022] Open
Abstract
AIMS Monocytes are central for atherosclerotic vascular inflammation. The human non-classical, patrolling subtype, which expresses high levels of CD16 and fractalkine receptor CX3CR1, strongly associates with cardiovascular events. This is most marked in renal failure, a condition with excess atherosclerosis morbidity. The underlying mechanism is not understood. This study investigated how human CD16+ monocytes modulate endothelial cell function. METHODS AND RESULTS In patients with kidney failure, CD16+ monocyte counts were elevated and dynamically decreased within a year after transplantation, chiefly due to a drop in CD14+CD16+ cells. The CX3CR1 ligand CX3CL1 was similarly elevated in the circulation of humans and mice with renal impairment. CX3CL1 up-regulation was also observed close to macrophage rich human coronary artery plaques. To investigate a mechanistic basis of this association, CD16+CX3CR1HIGH monocytes were co-incubated with primary human endothelium in vitro. Compared to classical CD14+ monocytes or transwell cocultures, CD16+ monocytes enhanced endothelial STAT1 and NF-κB p65 phosphorylation, up-regulated expression of CX3CL1 and interleukin-1β, numerous CCL and CXCL chemokines and molecules promoting leucocyte patrolling and adhesion such as ICAM1 and VCAM1. Genes required for vasodilatation including endothelial nitric oxide synthase decreased while endothelial collagen production increased. Uraemic patients' monocytes enhanced endothelial CX3CL1 even more markedly. Their receptor CX3CR1 was required for enhanced aortic endothelial stiffness in murine atherosclerosis with renal impairment. CX3CR1 dose-dependently modulated monocyte-contact-dependent gene expression in human endothelium. CONCLUSION By demonstrating endothelial proatherosclerotic gene regulation in direct contact with CD16+ monocytes, in part via cellular CX3CR1-CX3CL1 interaction, our data delineate a mechanism how this celltype can increase cardiovascular risk.
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Affiliation(s)
- Eva Roy-Chowdhury
- Division of Nephrology and Hypertension, Department of Internal Medicine, Hannover Medical School, Carl-Neuberg-Strasse 1, D-30625 Hannover, Germany
| | - Nicolas Brauns
- Division of Nephrology and Hypertension, Department of Internal Medicine, Hannover Medical School, Carl-Neuberg-Strasse 1, D-30625 Hannover, Germany
| | - Alexandra Helmke
- Division of Nephrology and Hypertension, Department of Internal Medicine, Hannover Medical School, Carl-Neuberg-Strasse 1, D-30625 Hannover, Germany
| | - Johannes Nordlohne
- Division of Nephrology and Hypertension, Department of Internal Medicine, Hannover Medical School, Carl-Neuberg-Strasse 1, D-30625 Hannover, Germany
| | | | - Jessica Schmitz
- Department of Pathology, Hannover Medical School, Hannover, Germany
| | - Julia Volkmann
- Division of Nephrology and Hypertension, Department of Internal Medicine, Hannover Medical School, Carl-Neuberg-Strasse 1, D-30625 Hannover, Germany
| | - Susanne V Fleig
- Division of Nephrology and Hypertension, Department of Internal Medicine, Hannover Medical School, Carl-Neuberg-Strasse 1, D-30625 Hannover, Germany
| | | | - Hermann Haller
- Division of Nephrology and Hypertension, Department of Internal Medicine, Hannover Medical School, Carl-Neuberg-Strasse 1, D-30625 Hannover, Germany
| | - Sibylle von Vietinghoff
- Division of Nephrology and Hypertension, Department of Internal Medicine, Hannover Medical School, Carl-Neuberg-Strasse 1, D-30625 Hannover, Germany
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Mongirdienė A, Laukaitienė J, Skipskis V, Kuršvietienė L, Liobikas J. Platelet Activity and Its Correlation with Inflammation and Cell Count Readings in Chronic Heart Failure Patients with Reduced Ejection Fraction. ACTA ACUST UNITED AC 2021; 57:medicina57020176. [PMID: 33670636 PMCID: PMC7923047 DOI: 10.3390/medicina57020176] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 02/05/2021] [Accepted: 02/11/2021] [Indexed: 12/01/2022]
Abstract
Background and objectives: There has been an increasing interest in the role of inflammation in thrombosis complications in chronic heart failure (HF) patients. The incidence of thrombosis in HF has been shown to be the highest in patients classified as NYHA IV (New York Heart association). It is stated that inflammation is regulated by platelet-induced activation of blood leukocytes. We aimed to compare the platelet and cell count readings in chronic HF with reduced ejection fraction (HFrEF) patients according to NYHA functional class and to evaluate the correlation between those readings. Materials and methods: A total of 185 patients were examined. The results of heart echoscopy (TEE) testing; fibrinogen, N-terminal pro b-type natriuretic peptide (NT-proBNP), C reactive protein (CRP), and cortisol concentrations; complete blood counts; and a 6 min walking test were assessed and platelet aggregation was determined. Results: Mean platelet volume (MPV) increased with deterioration of a patient’s state (p < 0.005). Lymphocyte count and percentage were the lowest in the NYHA IV group (p < 0.005). Neutrophil and monocyte percentage and count were the highest (p < 0.045) in the NYHA IV group. Adenosine diphosphate (ADP)- and ADR-induced platelet aggregation was higher in the NYHA III group compared to NYHA II and I groups (p < 0.023). NYHA functional class correlated with mean platelet volume (MPV) (r = 0.311, p = 0.0001), lymphocyte count (r = −0.186, p = 0.026), monocyte count (p = 0.172, p = 0.041), and percentage (r = 0.212, p = 0.011). CRP concentration correlated with NT-proBNP (r = 0.203, p = 0.005). MPV correlated with fibrinogen concentration (r = 0.244, p = 0.004). Conclusions: (1) MPV could be considered as an additional reading reflecting a patient’s condition, however the use of MPV to identify patients at risk of hypercoagulable state should be evaluated in more extensive studies; (2) increased neutrophil and monocyte counts could indicate a higher inflammatory state in chronic HFrEF.
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Affiliation(s)
- Aušra Mongirdienė
- Department of Biochemistry, Medicine Academy, Lithuanian University of Health Sciences, Eiveniu Str. 4, LT-50103 Kaunas, Lithuania; (J.L.); (L.K.); (J.L.)
- Correspondence: or
| | - Jolanta Laukaitienė
- Department of Biochemistry, Medicine Academy, Lithuanian University of Health Sciences, Eiveniu Str. 4, LT-50103 Kaunas, Lithuania; (J.L.); (L.K.); (J.L.)
- Cardiology Clinic, University Hospital, Lithuanian University of Health Sciences, Eiveniu Str. 2, LT-50161 Kaunas, Lithuania
| | - Vilius Skipskis
- Laboratory of Molecular Cardiology, Institute of Cardiology, Lithuanian University of Health Sciences, Eiveniu Str. 4, LT-50103 Kaunas, Lithuania;
| | - Lolita Kuršvietienė
- Department of Biochemistry, Medicine Academy, Lithuanian University of Health Sciences, Eiveniu Str. 4, LT-50103 Kaunas, Lithuania; (J.L.); (L.K.); (J.L.)
| | - Julius Liobikas
- Department of Biochemistry, Medicine Academy, Lithuanian University of Health Sciences, Eiveniu Str. 4, LT-50103 Kaunas, Lithuania; (J.L.); (L.K.); (J.L.)
- Laboratory of Biochemistry, Neuroscience Institute, Lithuanian University of Health Sciences, LT-50161 Kaunas, Lithuania
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Oh SW, Yi HJ, Lee DH, Sung JH. Prognostic Significance of Various Inflammation-Based Scores in Patients with Mechanical Thrombectomy for Acute Ischemic Stroke. World Neurosurg 2020; 141:e710-e717. [DOI: 10.1016/j.wneu.2020.05.272] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 05/28/2020] [Accepted: 05/30/2020] [Indexed: 02/08/2023]
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Is elevated monocyte to high-density lipoprotein ratio a predictor of symptomatic plaque in patients with intermediate carotid artery stenosis? ANADOLU KLINIĞI TIP BILIMLERI DERGISI 2020. [DOI: 10.21673/anadoluklin.722754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Montserrat-de la Paz S, Lemus-Conejo A, Toscano R, Pedroche J, Millan F, Millan-Linares MC. GPETAFLR, an octapeptide isolated from Lupinus angustifolius L. protein hydrolysate, promotes the skewing to the M2 phenotype in human primary monocytes. Food Funct 2019; 10:3303-3311. [PMID: 31094410 DOI: 10.1039/c9fo00115h] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The present study aimed to test the mechanisms by which GPETAFLR, released from the enzymatic hydrolysis of lupine protein, may modulate the inflammatory response and plasticity in human primary monocytes. Human circulating monocytes and mature macrophages were used to analyze the effects of GPETAFLR on plasticity and inflammatory response using biochemical, flow cytometry, quantitative real-time PCR, and ELISA assays. GPETAFLR skewed the monocyte plasticity towards the anti-inflammatory non-classical CD14+CD16++ monocyte subset and reduced the inflammatory competence of LPS-treated human monocytes diminishing IL-1β, IL-6, and TNF-α and increasing IL-10 production and gene expression. Results showed that GPETAFLR decreased the frequency of the LPS-induced activated monocyte population (CD14++CD16-), diminished monocyte activation involved down-regulation of CCR2 mRNA expression and protein expression, and decreased gene expression of the LPS-induced chemoattractant mediator CCL2. Our findings imply a new understanding of the mechanisms by which GPETAFLR favor a continuous and gradual plasticity process in the human monocyte/macrophage system and offer novel benefits derived from the consumption of Lupinus angustifolius L. in the prevention of inflammatory-related diseases.
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Affiliation(s)
- Sergio Montserrat-de la Paz
- Department of Medical Biochemistry, Molecular Biology, and Immunology. School of Medicine, Universidad de Sevilla, Av. Dr. Fedriani 3, 41071 Seville, Spain
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Polyacrylic acid-coated iron oxide nanoparticles could be a useful tool for tracking inflammatory monocytes. Future Sci OA 2019; 5:FSO423. [PMID: 31827892 PMCID: PMC6900970 DOI: 10.2144/fsoa-2019-0066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Aim: To establish the effect of poly(acrylic acid)-coated iron oxide nanoparticles (PAC-IONs) and later exposure to a magnetic field on the differentiation of mononuclear phagocytes into macrophages. Methods: By flow cytometry, cell death was evaluated with DIOC6 and PI, Poly (ADP-ribose) Polymerases (PARP) fragmentation, H2AX phosphorylation and TUNEL assay. Cytokines by Cytokine bead array and the intracellular amount of iron by atomic absorption spectrometry. Results: PAC-IONs did not induce apoptosis, modify the cell membrane integrity or alter the mitochondrial membrane potential. They did not affect the cell morphology, the pattern of cytokine accumulation or the activating role of differentiation of mononuclear phagocytes into macrophages on the proliferation of autologous T cells. Conclusion: This evidence indicates that the PAC-IONs are safe and biocompatible. Moreover, the selectivity of the PAC-IONs for mononuclear phagocytes, as well as their increased uptake by non-classical monocytes, warrant future research with a view to their use as a contrast agent, a useful tool for in vivo tracking of tissue-infiltrating mononuclear phagocytes. In the search for materials that allow the study of inflammatory processes when biopsies are not feasible, magnetic nanoparticles have become an alternative tool for use in MRI. This article examined whether supermagnetic iron nanoparticles can affect the basic function of phagocytic cells, with a view to their use in clinical imaging applications.
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Wu TT, Zheng YY, Chen Y, Yu ZX, Ma YT, Xie X. Monocyte to high-density lipoprotein cholesterol ratio as long-term prognostic marker in patients with coronary artery disease undergoing percutaneous coronary intervention. Lipids Health Dis 2019; 18:180. [PMID: 31640740 PMCID: PMC6805452 DOI: 10.1186/s12944-019-1116-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Accepted: 09/05/2019] [Indexed: 12/11/2022] Open
Abstract
Background The relation between monocyte to high-density lipoprotein cholesterol ratio (MHR) and coronary artery disease (CAD) undergoing percutaneous coronary intervention (PCI) remains controversial. The present study aims to assess the prognostic value of MHR in patients with CAD who underwent PCI. Methods A total of 673 CAD patients were retrospectively enrolled and divided into four groups according to MHR values. Multivariate Cox regression analysis was performed to study the effects of different variables to clinical outcomes reported as major adverse cardiac events (MACE) and all-cause mortality (ACM). Results In a multivariate Cox analysis, after adjustment of other confounders, MHR was found to be an independent predictor of ACM (HR: 3.655; 95% CI: 1.170–11.419, P = 0.026) and MACE (HR =2.390, 95% CI 1.379–4.143, p < 0.002). Having a MHR in the third and fourth quartile were associated with a 2.83-fold and 3.26 -flod increased risk of MACE. Conclusions MHR is an independent predictor of ACM and MACE in CAD patients undergoing PCI.
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Affiliation(s)
- Ting-Ting Wu
- Department of Cardiology, First Affiliated Hospital of Xinjiang Medical University, Urumqi, 830054, People's Republic of China
| | - Ying-Ying Zheng
- Department of Cardiology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, People's Republic of China
| | - You Chen
- Department of Cardiology, First Affiliated Hospital of Xinjiang Medical University, Urumqi, 830054, People's Republic of China
| | - Zi-Xiang Yu
- Department of Cardiology, First Affiliated Hospital of Xinjiang Medical University, Urumqi, 830054, People's Republic of China
| | - Yi-Tong Ma
- Department of Cardiology, First Affiliated Hospital of Xinjiang Medical University, Urumqi, 830054, People's Republic of China.
| | - Xiang Xie
- Department of Cardiology, First Affiliated Hospital of Xinjiang Medical University, Urumqi, 830054, People's Republic of China.
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Ong SM, Teng K, Newell E, Chen H, Chen J, Loy T, Yeo TW, Fink K, Wong SC. A Novel, Five-Marker Alternative to CD16-CD14 Gating to Identify the Three Human Monocyte Subsets. Front Immunol 2019; 10:1761. [PMID: 31402918 PMCID: PMC6676221 DOI: 10.3389/fimmu.2019.01761] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Accepted: 07/11/2019] [Indexed: 11/18/2022] Open
Abstract
Human primary monocytes are heterogeneous in terms of phenotype and function, but are sub-divided only based on CD16 and CD14 expression. CD16 expression distinguishes a subset of monocytes with highly pro-inflammatory properties from non-CD16 expressing “classical” monocytes. CD14 expression further subdivides the CD16+ monocytes into non-classical CD14low and intermediate CD14high subsets. This long-standing CD16–CD14 classification system, however, has limitations as CD14 is expressed in a continuum, leading to subjectivity in delineating the non-classical and intermediate subsets; in addition, CD16 expression is unstable, making identification of the subsets impossible after in vitro culture or during inflammatory conditions in vivo. Hence, we aimed to identify the three monocyte subsets using an alternative combination of markers. Additionally, we wanted to address whether the monocyte subset perturbations observed during infection is real or an artifact of differential CD16 and/or CD14 regulation. Using cytometry by time-of-flight (CyTOF), we studied the simultaneous expression of 34 monocyte markers on total monocytes, and derived a combination of five markers (CD33, CD86, CD64, HLA-DR, and CCR2), that could objectively delineate the three subsets. Using these markers, we could also distinguish CD16+ monocytes from CD16− monocytes after in vitro stimulation. Finally, we found that the observed expansion of intermediate (CD14high) monocytes in dengue virus-infected patients was due to up-regulated CD16 expression on classical monocytes. With our new combination of markers, we can now identify monocyte subsets without CD16 and CD14, and accurately re-examine monocyte subset perturbations in diseases.
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Affiliation(s)
- Siew-Min Ong
- Singapore Immunology Network (SIgN), ASTAR Research Entities, Singapore, Singapore
| | - Karen Teng
- Singapore Immunology Network (SIgN), ASTAR Research Entities, Singapore, Singapore
| | - Evan Newell
- Singapore Immunology Network (SIgN), ASTAR Research Entities, Singapore, Singapore
| | - Hao Chen
- Singapore Immunology Network (SIgN), ASTAR Research Entities, Singapore, Singapore
| | - Jinmiao Chen
- Singapore Immunology Network (SIgN), ASTAR Research Entities, Singapore, Singapore
| | - Thomas Loy
- Singapore Immunology Network (SIgN), ASTAR Research Entities, Singapore, Singapore.,School of Biological Sciences, Nanyang Technological University, Singapore, Singapore
| | - Tsin-Wen Yeo
- National Centre for Infectious Diseases, Singapore, Singapore.,Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore
| | - Katja Fink
- Singapore Immunology Network (SIgN), ASTAR Research Entities, Singapore, Singapore.,School of Biological Sciences, Nanyang Technological University, Singapore, Singapore
| | - Siew-Cheng Wong
- Singapore Immunology Network (SIgN), ASTAR Research Entities, Singapore, Singapore.,School of Biological Sciences, Nanyang Technological University, Singapore, Singapore
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10
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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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Gene expression data analysis identifies multiple deregulated pathways in patients with asthma. Biosci Rep 2018; 38:BSR20180548. [PMID: 30038057 PMCID: PMC6239274 DOI: 10.1042/bsr20180548] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Revised: 06/26/2018] [Accepted: 07/09/2018] [Indexed: 12/12/2022] Open
Abstract
Asthma is a chronic inflammatory disorder associated with airway hyper-responsiveness. Although a number of studies have investigated asthma at the molecular level, the molecular immune signatures associated with asthma severity or with the response to corticosteroids are still being unraveled. The present study integrated four asthma-related gene expression datasets from the Gene Expression Omnibus and identified immune-gene signatures associated with asthma development, severity, or response to treatment. Normal and mild asthmatic patients clustered separately from the severe asthma group, suggesting substantial progression-related changes in gene expression. Pathway analysis of up-regulated severe asthma-related genes identified multiple cellular processes, such as polymorphism, T-cell development, and transforming growth factor-β signaling. Comparing gene expression profiles of bronchoalveolar lavage cells in response to corticosteroid treatment, showed substantial reductions in genes related to the inflammatory response, including tumor necrosis factor signaling in the corticosteroid sensitive versus resistant patients, suggesting a defective immune response to corticosteroids. The data highlight the multifactorial nature of asthma, but revealed no significant overlap with the gene expression profiles from different datasets interrogated in current studies. The presented profile suggests that genes involved in asthma progression are different from those involved in the response to corticosteroids and this could affect the clinical management of different groups of patients with asthma.
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Affiliation(s)
- Farhan Shahid
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Gregory Y H Lip
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, United Kingdom.,Aalborg Thrombosis Research Unit, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Eduard Shantsila
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, United Kingdom
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Meeuwsen JAL, Wesseling M, Hoefer IE, de Jager SCA. Prognostic Value of Circulating Inflammatory Cells in Patients with Stable and Acute Coronary Artery Disease. Front Cardiovasc Med 2017; 4:44. [PMID: 28770211 PMCID: PMC5509763 DOI: 10.3389/fcvm.2017.00044] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Accepted: 06/26/2017] [Indexed: 12/22/2022] Open
Abstract
Atherosclerosis is a lipid driven chronic inflammatory disease underlying the majority of ischemic events such as myocardial infarction or stroke. Clinical management of ischemic events has improved considerably in the past decades. Accordingly, survival rates have increased. Nevertheless, 12% of patients die within 6 months after the initial event. To improve secondary prevention, appropriate risk prediction is key. However, up to date, there is no clinically available routine marker to identify patients at high risk for recurrent cardiovascular events. Due to the central role of inflammation in atherosclerotic lesion progression and destabilization, many studies have focused on the role of circulating inflammatory cells in these processes. This review summarizes the current evidence on the potential of circulating inflammatory cells as biomarkers for recurrent adverse manifestations in acute coronary syndrome and stable coronary artery disease patients.
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Affiliation(s)
- John A L Meeuwsen
- Laboratory for Experimental Cardiology, University Medical Center Utrecht, Utrecht, Netherlands
| | - Marian Wesseling
- Laboratory for Experimental Cardiology, University Medical Center Utrecht, Utrecht, Netherlands
| | - Imo E Hoefer
- Laboratory for Clinical Chemistry and Hematology, University Medical Center Utrecht, Utrecht, Netherlands
| | - Saskia C A de Jager
- Laboratory for Experimental Cardiology, University Medical Center Utrecht, Utrecht, Netherlands.,Laboratory of Translational Immunology, University Medical Center Utrecht, Utrecht, Netherlands
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Percutaneous Transluminal Angioplasty in Patients with Peripheral Arterial Disease Does Not Affect Circulating Monocyte Subpopulations. BIOMED RESEARCH INTERNATIONAL 2016; 2016:2708957. [PMID: 27818999 PMCID: PMC5081453 DOI: 10.1155/2016/2708957] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Revised: 07/30/2016] [Accepted: 09/20/2016] [Indexed: 11/29/2022]
Abstract
Monocytes are mononuclear cells characterized by distinct morphology and expression of CD14 and CD16 surface receptors. Classical, quiescent monocytes are positive for CD14 (lipopolysaccharide receptor) but do not express Fc gamma receptor III (CD16). Intermediate monocytes coexpress CD16 and CD14. Nonclassical monocytes with low expression of CD14 represent mature macrophage-like monocytes. Monocyte behavior in peripheral arterial disease (PAD) and during vessel wall directed treatment is not well defined. This observation study aimed at monitoring of acute changes in monocyte subpopulations during percutaneous transluminal angioplasty (PTA) in PAD patients. Patients with Rutherford 3 and 4 PAD with no signs of inflammatory process underwent PTA of iliac, femoral, or popliteal segments. Flow cytometry for CD14, CD16, HLA-DR, CD11b, CD11c, and CD45RA antigens allowed characterization of monocyte subpopulations in blood sampled before and after PTA (direct angioplasty catheter sampling). Patients were clinically followed up for 12 months. All 61 enrolled patients completed 12-month follow-up. Target vessel failure occurred in 12 patients. While absolute counts of monocyte were significantly lower after PTA, only subtle monocyte activation after PTA (CD45RA and β-integrins) occurred. None of the monocyte parameters correlated with long-term adverse clinical outcome. Changes in absolute monocyte counts and subtle changes towards an activation phenotype after PTA may reflect local cell adhesion phenomenon in patients with Rutherford 3 or 4 peripheral arterial disease.
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Thaler B, Hohensinner PJ, Krychtiuk KA, Matzneller P, Koller L, Brekalo M, Maurer G, Huber K, Zeitlinger M, Jilma B, Wojta J, Speidl WS. Differential in vivo activation of monocyte subsets during low-grade inflammation through experimental endotoxemia in humans. Sci Rep 2016; 6:30162. [PMID: 27444882 PMCID: PMC4957086 DOI: 10.1038/srep30162] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2015] [Accepted: 06/28/2016] [Indexed: 02/07/2023] Open
Abstract
Human monocytes are a heterogeneous cell population, which can be divided into a classical (CD14++CD16−), a non-classical (CD14+CD16+), and an intermediate (CD14++CD16+) subset. We hypothesized that low-grade inflammation may differentially affect monocyte subsets. We used a human lipopolysaccharide (LPS) infusion model to mimic low-grade inflammation to identify, which monocyte subsets are preferentially activated under these conditions. Monocyte subsets were identified by staining for CD14 and CD16, activation status of monocytes was analyzed by staining for CD11b and a novel in situ mRNA hybridization approach to detect IL-6 and IL-8 specific mRNA at the single-cell level by flow cytometry. After LPS challenge, cell numbers of monocyte subsets dropped after 2 h with cell numbers recovering after 6 h. Distribution of monocyte subsets was skewed dramatically towards the intermediate subset after 24 h. Furthermore, intermediate monocytes displayed the largest increase of CD11b expression after 2 h. Finally, IL-6 and IL-8 mRNA levels increased in intermediate and non-classical monocytes after 6 h whereas these mRNA levels in classical monocytes changed only marginally. In conclusion, our data indicates that the main responding subset of monocytes to standardized low-grade inflammation induced by LPS in humans is the CD14++CD16+ intermediate subset followed by the CD14+CD16+ non-classical monocyte subset. Circulating classical monocytes showed comparably less reaction to LPS challenge in vivo.
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Affiliation(s)
- B Thaler
- Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - P J Hohensinner
- Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - K A Krychtiuk
- Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria.,Ludwig Boltzmann Cluster for Cardiovascular Research, Vienna, Austria
| | - P Matzneller
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | - L Koller
- Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - M Brekalo
- Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - G Maurer
- Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - K Huber
- 3rd Medical Department for Cardiology and Emergency Medicine, Wilhelminen Hospital, Vienna, Austria
| | - M Zeitlinger
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | - B Jilma
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | - J Wojta
- Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria.,Ludwig Boltzmann Cluster for Cardiovascular Research, Vienna, Austria.,Core Facilities, Medical University of Vienna, Vienna, Austria
| | - W S Speidl
- Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
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Weber C, Shantsila E, Hristov M, Caligiuri G, Guzik T, Heine GH, Hoefer IE, Monaco C, Peter K, Rainger E, Siegbahn A, Steffens S, Wojta J, Lip GYH. Role and analysis of monocyte subsets in cardiovascular disease. Joint consensus document of the European Society of Cardiology (ESC) Working Groups "Atherosclerosis & Vascular Biology" and "Thrombosis". Thromb Haemost 2016; 116:626-37. [PMID: 27412877 DOI: 10.1160/th16-02-0091] [Citation(s) in RCA: 90] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Accepted: 06/02/2016] [Indexed: 12/21/2022]
Abstract
Monocytes as cells of the innate immunity are prominently involved in the development of atherosclerotic lesions. The heterogeneity of blood monocytes has widely been acknowledged by accumulating experimental and clinical data suggesting a differential, subset-specific contribution of the corresponding subpopulations to the pathology of cardiovascular and other diseases. This document re-evaluates current nomenclature and summarises key findings on monocyte subset biology to propose a consensus statement about phenotype, separation and quantification of the individual subsets.
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Affiliation(s)
- Christian Weber
- Dr. Christian Weber, LMU Munich - Cardiovascular Prevention, Pettenkoferstr. 9, 80336 Munich, Germany, Tel.: +49 89 4400 54350, Fax: +49 89 4400 54352, E-mail:
| | | | - Michael Hristov
- Dr. Michael Hristov, LMU Munich - Cardiovascular Prevention, Pettenkoferstr. 9, 80336 Munich, Germany, Tel.: +49 89 4400 54350, Fax: +49 89 4400 54352, E-mail:
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17
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Ankri R, Melzer S, Tarnok A, Fixler D. Detection of gold nanorods uptake by macrophages using scattering analyses combined with diffusion reflection measurements as a potential tool for in vivo atherosclerosis tracking. Int J Nanomedicine 2015; 10:4437-46. [PMID: 26185445 PMCID: PMC4501352 DOI: 10.2147/ijn.s86615] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
In this study, we report a potential noninvasive technique for the detection of vulnerable plaques using scatter analyses with flow cytometry (FCM) method combined with the diffusion reflection (DR) method. The atherosclerotic plaques are commonly divided into two major categories: stable and vulnerable. The vulnerable plaques are rich with inflammatory cells, mostly macrophages (MΦ), which release enzymes that break down collagen in the cap. The detection method is based on uptake of gold nanorods (GNR) by MΦ. The GNR have unique optical properties that enable their detection using the FCM method, based on their scattering properties, and using the DR method, based on their unique absorption properties. This work demonstrates that after GNR labeling of MΦ, 1) the FCM scatter values increased up to 3.7-fold with arbitrary intensity values increasing from 1,110 to 4,100 and 2) the DR slope changed from an average slope of 0.196 (MΦ only) to an average slope of 0.827 (MΦ labeled with GNR) (P<0.001 for both cases). The combination of FCM and DR measurements provides a potential novel, highly sensitive, and noninvasive method for the identification of atherosclerotic vulnerable plaques, aimed to develop a potential tool for in vivo tracking.
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Affiliation(s)
- Rinat Ankri
- Faculty of Engineering, Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, Israel
| | - Susanne Melzer
- Research Department of Pediatric Cardiology, Heart Centre Leipzig GmbH, Germany ; Translational Centre for Regenerative Medicine (TRM) Leipzig, University of Leipzig, Leipzig, Germany
| | - Attila Tarnok
- Research Department of Pediatric Cardiology, Heart Centre Leipzig GmbH, Germany ; Translational Centre for Regenerative Medicine (TRM) Leipzig, University of Leipzig, Leipzig, Germany
| | - Dror Fixler
- Faculty of Engineering, Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, Israel
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