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Pawluk H, Kołodziejska R, Grześk G, Woźniak A, Kozakiewicz M, Kosinska A, Pawluk M, Grześk-Kaczyńska M, Grzechowiak E, Wojtasik J, Kozera G. The Potential Role of RANTES in Post-Stroke Therapy. Cells 2023; 12:2217. [PMID: 37759440 PMCID: PMC10526279 DOI: 10.3390/cells12182217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 09/02/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
One of the key response mechanisms to brain damage, that results in neurological symptoms, is the inflammatory response. It triggers processes that exacerbate neurological damage and create the right environment for the subsequent repair of damaged tissues. RANTES (Regulated upon Activation, Normal T Cell Expressed and Presumably Secreted) chemokine(C-C motif) ligand 5 (CCL5) is one of the chemokines that may have a dual role in stroke progression involving aggravating neuronal damage and playing an important role in angiogenesis and endothelial repair. This study concerned patients with ischemic stroke (AIS), whose CCL5 concentration was measured at various time intervals and was compared with the control group. In addition, the effect of this biomarker on neurological severity and functional prognosis was investigated. Compared to healthy patients, a higher concentration of this chemokine was demonstrated in less than 4.5 h, 24 h and on the seventh day. Differences in CCL5 levels were found to be dependent on the degree of disability and functional status assessed according to neurological scales (modified Rankin Scale, National Institutes of Health Stroke Scale). In addition, differences between various subtypes of stroke were demonstrated, and an increase in CCL5 concentration was proven to be a negative predictor of mortality in patients with AIS. The deleterious effect of CCL5 in the acute phase of stroke and the positive correlation between the tested biomarkers of inflammation were also confirmed.
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Affiliation(s)
- Hanna Pawluk
- Department of Medical Biology and Biochemistry, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Karłowicza 24, 85-092 Bydgoszcz, Poland; (A.W.); (M.P.)
| | - Renata Kołodziejska
- Department of Medical Biology and Biochemistry, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Karłowicza 24, 85-092 Bydgoszcz, Poland; (A.W.); (M.P.)
| | - Grzegorz Grześk
- Department of Cardiology and Clinical Pharmacology, Faculty of Health Sciences, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Ujejskiego 75, 85-168 Bydgoszcz, Poland; (G.G.); (M.G.-K.)
| | - Alina Woźniak
- Department of Medical Biology and Biochemistry, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Karłowicza 24, 85-092 Bydgoszcz, Poland; (A.W.); (M.P.)
| | - Mariusz Kozakiewicz
- Division of Biochemistry and Biogerontology, Department of Geriatrics, Faculty of Health Sciences, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Dębowa 3, 85-626 Bydgoszcz, Poland;
| | - Agnieszka Kosinska
- Centre for Languages & International Education, University College London, 26 Bedford Way, London WC1H 0AP, UK;
| | - Mateusz Pawluk
- Department of Medical Biology and Biochemistry, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Karłowicza 24, 85-092 Bydgoszcz, Poland; (A.W.); (M.P.)
| | - Magdalena Grześk-Kaczyńska
- Department of Cardiology and Clinical Pharmacology, Faculty of Health Sciences, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Ujejskiego 75, 85-168 Bydgoszcz, Poland; (G.G.); (M.G.-K.)
| | - Elżbieta Grzechowiak
- Department of Neurology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Marii Skłodowskiej Curie 9, 85-094 Bydgoszcz, Poland;
| | - Jakub Wojtasik
- Statistical Analysis Centre, Nicolaus Copernicus University in Toruń, Chopin 12/18, 87-100 Toruń, Poland;
| | - Grzegorz Kozera
- Centre of Medical Simulations, Faculty of Medicine, Medical University of Gdańsk, Dębowa 25, 80-204 Gdańsk, Poland;
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Dimitroglou Y, Aggeli C, Theofilis P, Tsioufis P, Oikonomou E, Chasikidis C, Tsioufis K, Tousoulis D. Novel Anti-Inflammatory Therapies in Coronary Artery Disease and Acute Coronary Syndromes. Life (Basel) 2023; 13:1669. [PMID: 37629526 PMCID: PMC10455741 DOI: 10.3390/life13081669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 07/27/2023] [Accepted: 07/30/2023] [Indexed: 08/27/2023] Open
Abstract
Evidence suggests that inflammation plays an important role in atherosclerosis and the consequent clinical presentation, including stable coronary artery disease (CAD) and acute coronary syndromes (ACS). The most essential elements are cytokines, proteins with hormone-like properties that are produced by the immune cells, endothelial cells, platelets, fibroblasts, and some stromal cells. Interleukins (IL-1β and IL-6), chemokines, interferon-γ (IFN-γ), and tumor necrosis factor-alpha (TNF-α) are the cytokines commonly associated with endothelial dysfunction, vascular inflammation, and atherosclerosis. These molecules can be targeted by commonly used therapeutic substances or selective molecules that exert targeted anti-inflammatory actions. The most significant anti-inflammatory therapies are aspirin, statins, colchicine, IL-1β inhibitors, and IL-6 inhibitors, along with novel therapies such as TNF-α inhibitors and IL-1 receptor antagonists. Aspirin and statins are well-established therapies for atherosclerosis and CAD and their pleiotropic and anti-inflammatory actions contribute to their efficacy and favorable profile. Colchicine may also be considered in high-risk patients if recurrent ACS episodes occur when on optimal medical therapy according to the most recent guidelines. Recent randomized studies have also shown that therapies specifically targeting inflammatory interleukins and inflammation can reduce the risk for cardiovascular events, but these therapies are yet to be fully implemented in clinical practice. Preclinical research is also intense, targeting various inflammatory mediators that are believed to be implicated in CAD, namely repeated transfers of the soluble mutant of IFN-γ receptors, NLRP3 inflammasome inhibitors, IL-10 delivery by nanocarriers, chemokine modulatory treatments, and reacting oxygen species (ROS) targeting nanoparticles. Such approaches, although intriguing and promising, ought to be tested in clinical settings before safe conclusions can be drawn. Although the link between inflammation and atherosclerosis is significant, further studies are needed in order to elucidate this association and improve outcomes in patients with CAD.
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Affiliation(s)
- Yannis Dimitroglou
- First Department of Cardiology, “Hippokration” General Hospital, University of Athens Medical School, 11527 Athens, Greece; (Y.D.); (C.A.); (P.T.); (K.T.); (D.T.)
| | - Constantina Aggeli
- First Department of Cardiology, “Hippokration” General Hospital, University of Athens Medical School, 11527 Athens, Greece; (Y.D.); (C.A.); (P.T.); (K.T.); (D.T.)
| | - Panagiotis Theofilis
- First Department of Cardiology, “Hippokration” General Hospital, University of Athens Medical School, 11527 Athens, Greece; (Y.D.); (C.A.); (P.T.); (K.T.); (D.T.)
| | - Panagiotis Tsioufis
- First Department of Cardiology, “Hippokration” General Hospital, University of Athens Medical School, 11527 Athens, Greece; (Y.D.); (C.A.); (P.T.); (K.T.); (D.T.)
| | - Evangelos Oikonomou
- Third Department of Cardiology, Thoracic Diseases General Hospital “Sotiria”, University of Athens Medical School, 11527 Athens, Greece;
| | - Christos Chasikidis
- Department of Cardiology, General Hospital of Corinth, 20100 Corinth, Greece;
| | - Konstantinos Tsioufis
- First Department of Cardiology, “Hippokration” General Hospital, University of Athens Medical School, 11527 Athens, Greece; (Y.D.); (C.A.); (P.T.); (K.T.); (D.T.)
| | - Dimitris Tousoulis
- First Department of Cardiology, “Hippokration” General Hospital, University of Athens Medical School, 11527 Athens, Greece; (Y.D.); (C.A.); (P.T.); (K.T.); (D.T.)
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Guo Y, Kong Q, Zhang Y, Zhao J, Yu Z, He D, Huang H, Luo X. Elevated RANTES levels are associated with increased risk of cerebral atherosclerotic stenosis. BMC Neurol 2023; 23:39. [PMID: 36698075 PMCID: PMC9875531 DOI: 10.1186/s12883-023-03079-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 01/19/2023] [Indexed: 01/27/2023] Open
Abstract
BACKGROUND Cerebral atherosclerotic stenosis (CAS) is a significant factor in the development of acute ischemic stroke (AIS). Previous studies have reported that cytokines are involved in atherosclerotic diseases, although the relationship between serum levels of the chemokine RANTES (regulated on activation, normal T-cell expressed and secreted) and the presence of CAS remains unclear. METHODS In total, 127 participants (65 non-AIS controls and 62 patients with AIS) were involved in this study. CAS was defined as the presence of ≥ 50% stenosis in major intracranial or extracranial artery by a Digital Substraction Angiography (DSA) examination, and we classified all participants into four groups according to stroke and CAS status. Serum concentrations of 8 cytokines, including RANTES, were measured by the Human ProcartaPlex Multiplex Immunoassay Kit. RESULTS Seventy-eight participants (61.41%) had CAS, of which 39 cases with AIS and 39 case with non-AIS. Patients with CAS had higher RANTES levels compared to non-CAS patients in both the non-AIS group (10.54 ± 0.80 vs. 13.20 ± 0.71, p = 0.016) and stroke group (11.96 ± 0.87 vs. 15.03 ± 0.75, p = 0.011), and multivariate logistic regression analysis showed that the RANTES level is independently associated with CAS in both the non-AIS group (adjusted odds ratio (OR), 1.07; 95% CI, 1.02-1.12, P = 0.004) and stroke group (adjusted OR, 1.32; 95% CI, 1.10-1.58, P = 0.003). CONCLUSION Patients with CAS have higher levels of serum RANTES than non-CAS patients regardless of stroke status suggesting that RANTES may play an important role in the formation of CAS.
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Affiliation(s)
- Yinping Guo
- grid.412793.a0000 0004 1799 5032Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030 P.R. China
| | - Qianqian Kong
- grid.412793.a0000 0004 1799 5032Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030 P.R. China
| | - Yi Zhang
- grid.412793.a0000 0004 1799 5032Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030 P.R. China
| | - Jing Zhao
- grid.412793.a0000 0004 1799 5032Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030 P.R. China
| | - Zhiyuan Yu
- grid.412793.a0000 0004 1799 5032Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030 P.R. China
| | - Dan He
- grid.412615.50000 0004 1803 6239Department of Neurology, Guangdong Provincial Key Laboratory for Diagnosis and Treatment of Major Neurological Diseases, National Key Clinical Department and Key Discipline of Neurology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong China
| | - Hao Huang
- grid.412793.a0000 0004 1799 5032Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030 P.R. China
| | - Xiang Luo
- grid.412793.a0000 0004 1799 5032Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030 P.R. China
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Tsioufis P, Theofilis P, Tsioufis K, Tousoulis D. The Impact of Cytokines in Coronary Atherosclerotic Plaque: Current Therapeutic Approaches. Int J Mol Sci 2022; 23:ijms232415937. [PMID: 36555579 PMCID: PMC9788180 DOI: 10.3390/ijms232415937] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 12/12/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022] Open
Abstract
Coronary atherosclerosis is a chronic pathological process that involves inflammation together with endothelial dysfunction and lipoprotein dysregulation. Experimental studies during the past decades have established the role of inflammatory cytokines in coronary artery disease, namely interleukins (ILs), tumor necrosis factor (TNF)-α, interferon-γ, and chemokines. Moreover, their value as biomarkers in disease development and progression further enhance the validity of this interaction. Recently, cytokine-targeted treatment approaches have emerged as potential tools in the management of atherosclerotic disease. IL-1β, based on the results of the CANTOS trial, remains the most validated option in reducing the residual cardiovascular risk. Along the same line, colchicine was also proven efficacious in preventing major adverse cardiovascular events in large clinical trials of patients with acute and chronic coronary syndrome. Other commercially available agents targeting IL-6 (tocilizumab), TNF-α (etanercept, adalimumab, infliximab), or IL-1 receptor antagonist (anakinra) have mostly been assessed in the setting of other inflammatory diseases and further testing in atherosclerosis is required. In the future, potential targeting of the NLRP3 inflammasome, anti-inflammatory IL-10, or atherogenic chemokines could represent appealing options, provided that patient safety is proven to be of no concern.
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Wang LYT, Tan CS, Lai MKP, Hilal S. Factors Associated with RANTES, EMMPIRIN, MMP2 and MMP9, and the Association of These Biomarkers with Cardiovascular Disease in a Multi-Ethnic Population. J Clin Med 2022; 11:jcm11247281. [PMID: 36555898 PMCID: PMC9782242 DOI: 10.3390/jcm11247281] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Revised: 11/28/2022] [Accepted: 12/01/2022] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND The growing cardiovascular disease (CVD) epidemic calls for further research to identify novel biomarkers for earlier detection and as potential therapeutic targets. Biomarkers Regulated on Activation, Normal T Cell Expressed and Secreted (RANTES), extracellular matrix metalloproteinase inducer (EMMPRIN), and matrix metalloproteinases (MMP-2, and MMP-9) are linked to proatherogenic and proinflammatory pathways of CVD development, the majority of which are coronary artery disease (CAD) and stroke. We evaluated potential factors affecting these four biomarkers and established their association with CVD. METHODS This is a cross-sectional analysis using a nested case-control design involving 580 participants aged 21-75 years from the prospective multi-ethnic cohort study. A total of 290 CVD cases and 290 age-and sex-matched controls were identified. All participants underwent interviews, health screenings, and provided blood samples, including biomarkers RANTES, EMMPRIN, and MMPs. CVD was defined based on previous medical history. RESULTS The average age of the participants was 55.7(SD = 10.3) years of age, and 34.6% were female. Arrhythmia history and low-density lipoprotein (LDL) levels were significant factors of logEMMPRIN (β = -0.124 [-0.245, -0.003] and β = 0.111 [0.0, 0.191], respectively). Only female sex (β = 0.189 [0.078, 0.300]) for logRANTES and age (β = 0.033 [0.010, 0.055]) for logMMP-2 and logMMP-9 were significant. The Indian ethnicity (β = 0.192 [0.048, 0.335]) and highly sensitive C-reactive protein (hs-CRP) levels (β = 0.063 [0.011, 0.116]) were statistically significant for logMMP-9. No association was detected between biomarkers and CVD. CONCLUSIONS In this multi-ethnic study cohort, RANTES was associated with sex, EMMPRIN was associated with a history of arrhythmia and LDL levels, MMP-2 with age, and MMP-9 with ethnicity and hs-CRP levels. The biomarker serum levels were not associated with CVD.
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Affiliation(s)
- Laureen Yi-Ting Wang
- National University Heart Centre, National University Hospital Singapore, Singapore 119074, Singapore
| | - Chuen Seng Tan
- Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore 117549, Singapore
| | - Mitchell K. P. Lai
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117600, Singapore
- Memory, Aging and Cognition Centre, National University Health System, Singapore 117600, Singapore
| | - Saima Hilal
- Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore 117549, Singapore
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117600, Singapore
- Correspondence: ; Tel.: +65-6516-4988
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Farina FM, Serio S, Hall IF, Zani S, Cassanmagnago GA, Climent M, Civilini E, Condorelli G, Quintavalle M, Elia L. The epigenetic enzyme DOT1L orchestrates vascular smooth muscle cell-monocyte crosstalk and protects against atherosclerosis via the NF-κB pathway. Eur Heart J 2022; 43:4562-4576. [PMID: 35292818 DOI: 10.1093/eurheartj/ehac097] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 01/21/2022] [Accepted: 02/17/2022] [Indexed: 12/14/2022] Open
Abstract
AIMS Histone H3 dimethylation at lysine 79 is a key epigenetic mark uniquely induced by methyltransferase disruptor of telomeric silencing 1-like (DOT1L). We aimed to determine whether DOT1L modulates vascular smooth muscle cell (VSMC) phenotype and how it might affect atherosclerosis in vitro and in vivo, unravelling the related mechanism. METHODS AND RESULTS Gene expression screening of VSMCs stimulated with the BB isoform of platelet-derived growth factor led us to identify Dot1l as an early up-regulated epigenetic factor. Mouse and human atherosclerotic lesions were assessed for Dot1l expression, which resulted specifically localized in the VSMC compartment. The relevance of Dot1l to atherosclerosis pathogenesis was assessed through deletion of its gene in the VSMCs via an inducible, tissue-specific knock-out mouse model crossed with the ApoE-/- high-fat diet model of atherosclerosis. We found that the inactivation of Dot1l significantly reduced the progression of the disease. By combining RNA- and H3K79me2-chromatin immunoprecipitation-sequencing, we found that DOT1L and its induced H3K79me2 mark directly regulate the transcription of Nf-κB-1 and -2, master modulators of inflammation, which in turn induce the expression of CCL5 and CXCL10, cytokines fundamentally involved in atherosclerosis development. Finally, a correlation between coronary artery disease and genetic variations in the DOT1L gene was found because specific polymorphisms are associated with increased mRNA expression. CONCLUSION DOT1L plays a key role in the epigenetic control of VSMC gene expression, leading to atherosclerosis development. Results identify DOT1L as a potential therapeutic target for vascular diseases.
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Affiliation(s)
- Floriana Maria Farina
- IRCCS Humanitas Research Hospital, Via Manzoni 113, 20089 Rozzano (MI), Italy.,Institute for Cardiovascular Prevention (IPEK), Ludwig-Maximillians-Universität (LMU) München, D-80336 Munich, Germany.,German Center for Cardiovascular Research (DZHK), Partner Site Munich Heart Alliance, D-80336 Munich, Germany
| | - Simone Serio
- IRCCS Humanitas Research Hospital, Via Manzoni 113, 20089 Rozzano (MI), Italy.,Humanitas University, Pieve Emanuele (MI), Italy
| | | | - Stefania Zani
- IRCCS Humanitas Research Hospital, Via Manzoni 113, 20089 Rozzano (MI), Italy.,Humanitas University, Pieve Emanuele (MI), Italy
| | - Giada Andrea Cassanmagnago
- IRCCS Humanitas Research Hospital, Via Manzoni 113, 20089 Rozzano (MI), Italy.,Humanitas University, Pieve Emanuele (MI), Italy
| | - Montserrat Climent
- IRCCS Humanitas Research Hospital, Via Manzoni 113, 20089 Rozzano (MI), Italy
| | - Efrem Civilini
- IRCCS Humanitas Research Hospital, Via Manzoni 113, 20089 Rozzano (MI), Italy.,Humanitas University, Pieve Emanuele (MI), Italy
| | - Gianluigi Condorelli
- IRCCS Humanitas Research Hospital, Via Manzoni 113, 20089 Rozzano (MI), Italy.,Humanitas University, Pieve Emanuele (MI), Italy
| | - Manuela Quintavalle
- IRCCS Humanitas Research Hospital, Via Manzoni 113, 20089 Rozzano (MI), Italy.,Astrazeneca, V.le Decumano, 39, 20157 Milano (MI), Italy
| | - Leonardo Elia
- IRCCS Humanitas Research Hospital, Via Manzoni 113, 20089 Rozzano (MI), Italy.,Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, 25123 Brescia, Italy
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CCL5 Levels Predict Stroke Volume Growth in Acute Ischemic Stroke and Significantly Diminish in Hemorrhagic Stroke Patients. Int J Mol Sci 2022; 23:ijms23179967. [PMID: 36077361 PMCID: PMC9456070 DOI: 10.3390/ijms23179967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/23/2022] [Accepted: 08/28/2022] [Indexed: 11/16/2022] Open
Abstract
Stroke remains an important health challenge. Here, we study whether circulating chemokine (C-C motif) ligand 5 (CCL5) levels may predict clinical outcomes for stroke patients. A total of 100 consecutive stroke patients (36 acute ischemic and 64 hemorrhagic) were admitted to the stroke unit. Clinical history data and monitoring parameters were recorded. Blood serum was collected at days 0, 1, and hospital discharge to measure CCL5 levels by ELISA. Infarct or hemorrhagic volume, neurological severity (NIHSS), and functional prognosis (mRankin scale) were measured as clinical outcomes. CCL5 levels were lower in patients with hemorrhagic stroke than in patients with acute ischemic stroke. No differences were found between females and males in both types of stroke. Ischemic stroke patients whose infarct volume grew had lower CCL5 levels at day 0. Levels of CCL5 in ischemic and hemorrhagic patients were not associated with more severe symptoms/worse prognosis (NIHSS > 3; mRankin > 2) at admission or at 3 months. CCL5 could be used as a diagnostic marker to distinguish between ischemic and hemorrhagic strokes. Furthermore, CCL5 levels could predict the infarct volume outcomes in ischemic patients.
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8
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Zhou W, Li S, Sun G, Song L, Feng W, Li R, Liu H, Dong Y, Chen S, Yang S, Li J, Li Y. Early Warning of Ischemic Stroke Based on Atherosclerosis Index Combined With Serum Markers. J Clin Endocrinol Metab 2022; 107:1956-1964. [PMID: 35349673 PMCID: PMC9202721 DOI: 10.1210/clinem/dgac176] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Indexed: 11/19/2022]
Abstract
CONTEXT Ischemic stroke (IS) is a serious public health problem worldwide, threatening human life and health. Atherosclerosis is the cause of stroke. At present, there are few selective indexes that can be used to evaluate atherosclerosis in the clinic; providers rely mainly on the atherosclerotic index (AI). Disturbance of lipid metabolism is considered to be a key event leading to IS. OBJECTIVE The purpose of this study was to discover potential biomarkers in the serum of atherosclerosis-induced IS, combined with the AI to provide early warning for the diagnosis of IS. METHODS In this study, we used nontargeted metabolomics based on ultra-high performance liquid chromatography-quadrupole time-of-flight mass spectrometry (UPLC-Q/TOF-MS) to measure the changes in serum metabolites in a group of patients with IS. To verify the reproducibility of candidate biomarkers in the population, we expanded the sample size. RESULTS Five metabolites were identified, including sphingomyelin (18:0/14:0), 1-Methylpyrrolinium, PC (18:0/18:0), LysoPC (18:0/0:0), and PC (18: 2/18:2). The combination of these 5 metabolic markers has good diagnostic and predictive ability, and the change level of these metabolites is significantly related to IS. Our results also indicate that changes in glycerophospholipid metabolism may indicate an early risk of IS development. CONCLUSION These findings may contribute to the development of new diagnostic methods of potential biomarkers in serum combined with the AI, thereby providing early warning for the diagnosis of atherosclerosis-induced IS, and may provide a new insights for pathogenesis in IS.
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Affiliation(s)
| | | | - Guijiang Sun
- Department of Kidney Disease and Blood Purification, Tianjin Institute of Urology, Tianjin Medical University Second Hospital, Hexi District, Tianjin 300211, China
| | - Lili Song
- State Key Laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tuanbo New City, Jinghai District, Tianjin 301617, China
| | - Wenjun Feng
- Department of Neurology, Tianjin Medical University Second Hospital, Hexi District, Tianjin 300211, China
| | - Rui Li
- State Key Laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tuanbo New City, Jinghai District, Tianjin 301617, China
| | - Hui Liu
- State Key Laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tuanbo New City, Jinghai District, Tianjin 301617, China
| | - Yaqian Dong
- State Key Laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tuanbo New City, Jinghai District, Tianjin 301617, China
| | - Siyu Chen
- State Key Laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tuanbo New City, Jinghai District, Tianjin 301617, China
| | - Shenshen Yang
- Correspondence: Shenshen Yang, DSc, State Key Laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, No. 10, Poyang Lake Rd, Tuanbo New City, Jinghai District, Tianjin 301617, China.
| | - Jing Li
- Jing Li, MD, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, 88 Changling Rd, Xiqing District, Tianjin, Tianjin 300381, China.
| | - Yubo Li
- Yubo Li, DE, State Key Laboratory of Component Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, No. 10, Poyang Lake Rd, Tuanbo New City, Jinghai District, Tianjin 301617, China.
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9
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Borowska M, Winiarska H, Dworacka M, Wesołowska A, Dworacki G, Mikołajczak PŁ. The Effect of Homocysteine on the Secretion of Il-1β, Il-6, Il-10, Il-12 and RANTES by Peripheral Blood Mononuclear Cells-An In Vitro Study. Molecules 2021; 26:molecules26216671. [PMID: 34771080 PMCID: PMC8588228 DOI: 10.3390/molecules26216671] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 10/29/2021] [Accepted: 11/01/2021] [Indexed: 11/25/2022] Open
Abstract
The contemporary theory of the inflammatory-immunological pathomechanism of atherosclerosis includes the participation of interleukin-1β (Il), Il-6, Il-10, Il-12, RANTES, and homocysteine in this process. The knowledge on the direct effect of hyperhomocysteinemia on inflammatory-state-related atherosclerosis is rather scarce. Our study is the first to account for the effects of homocysteine on the secretion of Il-10 and RANTES in vitro conditions. For this purpose, human mitogen-stimulated peripheral blood mononuclear cells (PBMNCs) were cultured in vitro and exposed to homocysteine at high concentrations. Subsequently, the concentrations of cytokines were assayed in the cell culture supernatant using flow cytofluorimetry. It has been shown that, in the presence of homocysteine, the secretion of IL-1, IL-6 and RANTES by PBMNCs was increased, whereas IL-10 concentration was significantly lower than that of the supernatant derived from a mitogen-stimulated cell culture without homocysteine. The secretion of Il-12 by PBMNCs exposed exclusively to mitogen, did not differ from homologous cells also treated with homocysteine. Therefore, in our opinion, high-concentration homocysteine affects the progression of atherosclerosis by increasing the secretion of proinflammatory cytokines secreted by PBMNCs, such as Il-1β, Il-6, RANTES, and by attenuating the secretion of Il-10.
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Affiliation(s)
- Magdalena Borowska
- Department of Pharmacology, Poznan University of Medical Sciences, 60-806 Poznan, Poland; (H.W.); (M.D.); (A.W.); (P.Ł.M.)
- Correspondence:
| | - Hanna Winiarska
- Department of Pharmacology, Poznan University of Medical Sciences, 60-806 Poznan, Poland; (H.W.); (M.D.); (A.W.); (P.Ł.M.)
| | - Marzena Dworacka
- Department of Pharmacology, Poznan University of Medical Sciences, 60-806 Poznan, Poland; (H.W.); (M.D.); (A.W.); (P.Ł.M.)
| | - Anna Wesołowska
- Department of Pharmacology, Poznan University of Medical Sciences, 60-806 Poznan, Poland; (H.W.); (M.D.); (A.W.); (P.Ł.M.)
| | - Grzegorz Dworacki
- Department of Clinical Pathology, Poznan University of Medical Sciences, 60-355 Poznan, Poland;
| | - Przemysław Łukasz Mikołajczak
- Department of Pharmacology, Poznan University of Medical Sciences, 60-806 Poznan, Poland; (H.W.); (M.D.); (A.W.); (P.Ł.M.)
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10
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Aghajani R, Saeidi M, Amiriani T, Marjani M, Marjani A. Age- and Gender-Related Serum Level of Interleukin 18 in Iranian Fars Ethnic Group with Metabolic Syndrome. Metab Syndr Relat Disord 2021; 20:43-49. [PMID: 34724802 DOI: 10.1089/met.2021.0058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Background: The purpose of the present study was to investigate the age- and gender-related serum level of interleukin 18 (IL18) in male and female Iranian Fars ethnic group with metabolic syndrome components. Methods: The study included 226 native Iranian Fars ethnic groups. One hundred sixteen females and 110 men were selected. There were 60 females and 50 males with metabolic syndrome and 56 females and 60 males without metabolic syndrome. The serum fasting blood glucose (FBS), lipid profiles, and IL18 were measured. The National Cholesterol Education Program Adult treatment Panel III criteria were used to determine metabolic syndrome components. Results: There were significant differences between the males and females [except high-density lipoprotein (HDL)] with and without metabolic syndrome for the mean body mass index, FBS, HDL-cholesterol, waist circumference (WC), triglyceride (TG), and IL18 levels in all age groups. Serum IL18 was the highest in males and females in age groups 61-70 and 41-50 years with metabolic syndrome, respectively. Serum IL18 levels significantly correlated with TG and waist WC in males (and also correlated with HDL) and females with the metabolic syndrome. There were significant correlations between IL18 and TG and WC in males (and also correlated with HDL) in ages 61-70 years and females in ages 41-50 years with the metabolic syndrome. Conclusions: The increased IL18 level in both gender and different ages may have an important role in the alteration of some metabolic syndrome components. These alterations may be made to happen in different related metabolic diseases. IL18 seems to be a useful biomarker for the management of metabolic syndrome components and the risk factors of cardiovascular disease.
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Affiliation(s)
- Roja Aghajani
- Student Research Committee, Department of Biochemistry and Biophysics, Gorgan Faculty of Medicine, Metabolic Disorders Research Center, Golestan University Medical Sciences, Gorgan, Iran
| | - Mohsen Saeidi
- Department of Immunology, Stem Cell Research Center, Golestan University of Medical Sciences, Gorgan, Golestan Province, Iran
| | - Taghi Amiriani
- Golestan Research Center of Gastroenterology and Hepatology, Golestan University of Medical Sciences, Gorgan, Iran
| | - Majid Marjani
- Faculty of Pharmacy, Eastern Mediterranean University, Famagusta, North Cyprus, Turkey
| | - Abdoljalal Marjani
- Metabolic Disorders Research Center, Department of Biochemistry and Biophysics, Faculty of Medicine, Golestan University of Medical Sciences, Gorgan, Golestan Province, Iran
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11
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Vallejo J, Cochain C, Zernecke A, Ley K. Heterogeneity of immune cells in human atherosclerosis revealed by scRNA-Seq. Cardiovasc Res 2021; 117:2537-2543. [PMID: 34343272 DOI: 10.1093/cvr/cvab260] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 07/02/2021] [Accepted: 07/30/2021] [Indexed: 12/14/2022] Open
Abstract
Immune cells in atherosclerosis include T, B, natural killer (NK) and NKT cells, macrophages, monocytes, dendritic cells (DCs), neutrophils and mast cells. Advances in single cell RNA sequencing (sRNA-Seq) have refined our understanding of immune cell subsets. Four recent studies have used scRNA-Seq of immune cells in human atherosclerotic lesions and peripheral blood mononuclear cells (PBMCs), some including cell surface phenotypes revealed by oligonucleotide-tagged antibodies, which confirmed known and identified new immune cell subsets and identified genes significantly upregulated in PBMCs from HIV+ subjects with atherosclerosis compared to PBMCs from matched HIV+ subjects without atherosclerosis. The ability of scRNA-Seq to identify cell types is greatly augmented by adding cell surface phenotype using antibody sequencing. In this review we summarize the latest data obtained by scRNA-Seq on plaques and human PBMCs in human subjects with atherosclerosis.
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Affiliation(s)
- Jenifer Vallejo
- Division of Inflammation Biology, La Jolla Institute for Immunology, California, USA
| | - Clément Cochain
- Institute of Experimental Biomedicine, University Hospital Würzburg, Germany.,Comprehensive Heart Failure Center, University Hospital Würzburg, Germany
| | - Alma Zernecke
- Institute of Experimental Biomedicine, University Hospital Würzburg, Germany
| | - Klaus Ley
- Division of Inflammation Biology, La Jolla Institute for Immunology, California, USA.,Department of Bioengineering, University of California San Diego, California, USA
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12
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The Effect of Intensive Dietary Intervention on the Level of RANTES and CXCL4 Chemokines in Patients with Non-Obstructive Coronary Artery Disease: A Randomised Study. BIOLOGY 2021; 10:biology10020156. [PMID: 33669450 PMCID: PMC7920478 DOI: 10.3390/biology10020156] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 02/12/2021] [Accepted: 02/13/2021] [Indexed: 11/16/2022]
Abstract
Simple Summary The dietary approaches to stop hypertension (DASH) diet contains meals with plenty of vegetables, fruits and low-fat dairy products, as well as whole grains, fish, poultry and nuts. One of the potential mechanisms of the beneficial effects of the DASH diet on the cardiovascular system may be modification of the inflammatory process. In the present study, we assessed the impact of the DASH diet on selected inflammatory markers in patients with atherosclerosis. The study lasted 12 months and involved 79 patients (40 followed the DASH diet, while 39 were in the control group). The results indicate that the DASH diet lowers the level of the inflammatory markers, which may contribute to the inhibition of atherosclerosis. Abstract Background: Inflammation is the key pathophysiological mechanism of the initiation and progression of atherosclerosis. The study objective was to assess the effects of a dietary intervention based on the model of the dietary approaches to stop hypertension (DASH) diet on the levels of chemokines RANTES and CXCL4 in patients with non-obstructive coronary artery disease. Methods: As part of Dietary Intervention to Stop Coronary Atherosclerosis in Computed Tomography (DISCO-CT) study, patients were randomised to an intervention group (n = 40), where the DASH diet was introduced along with optimal pharmacotherapy, and to a control group (n = 39), with optimal pharmacotherapy alone. In the DASH group, systematic dietary counselling was provided for the follow-up period. RANTES and CXCL4 levels were determined using ELISA. Results: In the DASH group, the RANTES level insignificantly reduced from 42.70 ± 21.1 ng/mL to 38.09 ± 18.5 ng/mL (p = 0.134), and the CXCL4 concentration significantly reduced from 12.38 ± 4.1 ng/mL to 8.36 ± 2.3 ng/mL (p = 0.0001). At the same time, an increase in the level of both chemokines was observed in the control group: RANTES from 34.69 ± 22.7 to 40.94 ± 20.0 ng/mL (p = 0.06) and CXCL4 from 10.98 ± 3.6 to 13.0 5± 4.8 ng/mL (p = 0.009). The difference between the changes in both groups was significant for both RANTES (p = 0.03) and CXCL4 (p = 0.00001). The RANTES/CXCL4 ratio reduced in the control group (from 3.52 ± 2.8 to 3.35 ± 2.8; p = 0.006), while in the DASH group, an increase was observed (from 3.54 ± 1.7 to 4.77 ± 2.4; p = 0.001). Conclusions: A 12-month-long intensive dietary intervention based on DASH diet guidelines as an addition to optimal pharmacotherapy causes changes in the levels of chemokines CXCL4 and RANTES and their mutual relationship in comparison to conventional treatment.
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13
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Brunner G, Virani SS, Sun W, Liu L, Dodge RC, Nambi V, Coresh J, Mosley TH, Sharrett AR, Boerwinkle E, Ballantyne CM, Wasserman BA. Associations Between Carotid Artery Plaque Burden, Plaque Characteristics, and Cardiovascular Events: The ARIC Carotid Magnetic Resonance Imaging Study. JAMA Cardiol 2020; 6:79-86. [PMID: 33206125 DOI: 10.1001/jamacardio.2020.5573] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Importance It remains unknown whether in an asymptomatic community-based cohort magnetic resonance imaging (MRI) measures of plaque characteristics are independently associated with incident cardiovascular disease (CVD) events when adjusted for carotid artery (CA) wall thickness, a measure of plaque burden. Objective To assess associations of CA MRI plaque characteristics with incident CVD events. Design, Setting, and Participants The Atherosclerosis Risk in Communities (ARIC) study is a prospective epidemiologic study of the incidence of CVD in 15 792 adults of which 2066 women and men were enrolled in the ARIC Carotid MRI substudy. ARIC participants were enrolled from 1987 to 1989, and the substudy was conducted between January 2004 and December 2005. Analysis began January 2017 and ended August 2020. Exposures Incident CVD events during a median (interquartile range [IQR]) follow-up time of 10.5 (8.1-10.9) years were assessed. Main Outcomes and Measures Proportional hazards Cox analyses were performed to ascertain associations between MRI variables of CA plaque burden and plaque characteristics. Results Of 15 792 ARIC participants, 2066 were enrolled in the substudy, of whom 1256 (701 women [55.8%]) had complete data and were eligible for incident CVD analyses. Carotid artery plaques in participants with incident CVD events (172 [13.7%]) compared with those without (1084 [86.3%]) had a higher normalized wall index (median [IQR], 0.48 [0.36-0.62] vs 0.43 [0.34-0.55]; P = .001), maximum CA wall thickness (median [IQR], 2.22 [1.37-3.52] mm vs 1.96 [1.29-2.85] mm; P = .01), maximum CA stenosis (median [IQR], 5% [0%-22%] vs 0% [0%-13%]; P < .001), and when present, a larger lipid core volume (median [IQR], 0.05 [0.02-0.11] mL vs 0.03 [0.01-0.07] mL; P = .03), respectively. The presence of a lipid core was independently associated with incident CVD events when adjusted for traditional CVD risk factors and maximum CA wall thickness (hazard ratio, 2.48 [95% CI, 1.36-4.51]; P = .003), whereas the presence of calcification was not. The frequency of intraplaque hemorrhage presence in this population of individuals free of CVD at baseline who were not recruited for carotid stenosis was too small to draw any meaningful conclusions (intraplaque hemorrhage presence: 68 of 1256 participants [5.4%]). Carotid artery lumen area and maximum stenosis, which were overall low, were independently associated with incident CVD events when adjusted for traditional CVD risk factors, as anticipated. Conclusions and Relevance The presence of a CA lipid core on MRI is associated with incident CVD events independent of maximum CA wall thickness in asymptomatic participants.
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Affiliation(s)
- Gerd Brunner
- Section of Cardiovascular Research, Department of Medicine, Baylor College of Medicine, Houston, Texas.,Penn State Heart and Vascular Institute, Pennsylvania State University College of Medicine, Hershey
| | - Salim S Virani
- Section of Cardiovascular Research, Department of Medicine, Baylor College of Medicine, Houston, Texas.,Section of Cardiology, Department of Medicine, Baylor College of Medicine, Houston, Texas.,Michael E. DeBakey VA Medical Center, Houston, Texas
| | - Wensheng Sun
- Section of Cardiovascular Research, Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Li Liu
- The Russell H. Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Rhiannon C Dodge
- The University of Texas Health Science Center School of Public Health, Houston
| | - Vijay Nambi
- Section of Cardiovascular Research, Department of Medicine, Baylor College of Medicine, Houston, Texas.,Section of Cardiology, Department of Medicine, Baylor College of Medicine, Houston, Texas.,Michael E. DeBakey VA Medical Center, Houston, Texas
| | - Josef Coresh
- Department of Epidemiology and the Welch Center for Prevention, Epidemiology, and Clinical Research, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
| | - Thomas H Mosley
- Division of Geriatric Medicine, University of Mississippi Medical Center, Jackson
| | - A Richey Sharrett
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Eric Boerwinkle
- The University of Texas Health Science Center School of Public Health, Houston
| | - Christie M Ballantyne
- Section of Cardiovascular Research, Department of Medicine, Baylor College of Medicine, Houston, Texas.,Section of Cardiology, Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Bruce A Wasserman
- The Russell H. Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland
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14
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Guo C, Davies MJ, Hawkins CL. Role of thiocyanate in the modulation of myeloperoxidase-derived oxidant induced damage to macrophages. Redox Biol 2020; 36:101666. [PMID: 32781424 PMCID: PMC7417949 DOI: 10.1016/j.redox.2020.101666] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 07/20/2020] [Accepted: 07/28/2020] [Indexed: 12/13/2022] Open
Abstract
Myeloperoxidase (MPO) is a vital component of the innate immune system, which produces the potent oxidant hypochlorous acid (HOCl) to kill invading pathogens. However, an overproduction of HOCl during chronic inflammatory conditions causes damage to host cells, which promotes disease, including atherosclerosis. As such, there is increasing interest in the use of thiocyanate (SCN-) therapeutically to decrease inflammatory disease, as SCN- is the favoured substrate for MPO, and a potent competitive inhibitor of HOCl formation. Use of SCN- by MPO forms hypothiocyanous acid (HOSCN), which can be less damaging to mammalian cells. In this study, we examined the ability of SCN- to modulate damage to macrophages induced by HOCl, which is relevant to lesion formation in atherosclerosis. Addition of SCN- prevented HOCl-mediated cell death, altered the extent and nature of thiol oxidation and the phosphorylation of mitogen activated protein kinases. These changes were dependent on the concentration of SCN- and were observed in some cases, at a sub-stoichiometric ratio of SCN-: HOCl. Co-treatment with SCN- also modulated HOCl-induced perturbations in the expression of various antioxidant and inflammatory genes. In general, the data reflect the conversion of HOCl to HOSCN, which can induce reversible modifications that are repairable by cells. However, our data also highlight the ability of HOSCN to increase pro-inflammatory gene expression and cytokine/chemokine release, which may be relevant to the use of SCN- therapeutically in atherosclerosis. Overall, this study provides further insight into the cellular pathways by which SCN- could exert protective effects on supplementation to decrease the development of chronic inflammatory diseases, such as atherosclerosis.
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Affiliation(s)
- Chaorui Guo
- Department of Biomedical Sciences, University of Copenhagen, Panum, Blegdamsvej 3B, Copenhagen, DK-2200, Denmark
| | - Michael J Davies
- Department of Biomedical Sciences, University of Copenhagen, Panum, Blegdamsvej 3B, Copenhagen, DK-2200, Denmark
| | - Clare L Hawkins
- Department of Biomedical Sciences, University of Copenhagen, Panum, Blegdamsvej 3B, Copenhagen, DK-2200, Denmark.
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15
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Platelets in Healthy and Disease States: From Biomarkers Discovery to Drug Targets Identification by Proteomics. Int J Mol Sci 2020; 21:ijms21124541. [PMID: 32630608 PMCID: PMC7352998 DOI: 10.3390/ijms21124541] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 06/15/2020] [Accepted: 06/24/2020] [Indexed: 12/16/2022] Open
Abstract
Platelets are a heterogeneous small anucleate blood cell population with a central role both in physiological haemostasis and in pathological states, spanning from thrombosis to inflammation, and cancer. Recent advances in proteomic studies provided additional important information concerning the platelet biology and the response of platelets to several pathophysiological pathways. Platelets circulate systemically and can be easily isolated from human samples, making proteomic application very interesting for characterizing the complexity of platelet functions in health and disease as well as for identifying and quantifying potential platelet proteins as biomarkers and novel antiplatelet therapeutic targets. To date, the highly dynamic protein content of platelets has been studied in resting and activated platelets, and several subproteomes have been characterized including platelet-derived microparticles, platelet granules, platelet releasates, platelet membrane proteins, and specific platelet post-translational modifications. In this review, a critical overview is provided on principal platelet proteomic studies focused on platelet biology from signaling to granules content, platelet proteome changes in several diseases, and the impact of drugs on platelet functions. Moreover, recent advances in quantitative platelet proteomics are discussed, emphasizing the importance of targeted quantification methods for more precise, robust and accurate quantification of selected proteins, which might be used as biomarkers for disease diagnosis, prognosis and therapy, and their strong clinical impact in the near future.
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16
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Cejkova S, Kubatova H, Thieme F, Janousek L, Fronek J, Poledne R, Kralova Lesna I. The effect of cytokines produced by human adipose tissue on monocyte adhesion to the endothelium. Cell Adh Migr 2020; 13:293-302. [PMID: 31331230 PMCID: PMC6650200 DOI: 10.1080/19336918.2019.1644856] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Visceral adipose tissue (VAT) may play a critical role in atherosclerotic cardiovascular disease. The goal of this study was to determine the effect of human VAT-released pro‑inflammatory cytokines on monocyte adhesion to the endothelium. The cytokine effects on monocyte adhesion to the endothelial cells (ECs) were tested using adipose tissue-conditioned media (ATCM) prepared by culturing human VAT. The cytokines concentrations in ATCM, the cytokines expression and adhesion molecules in stimulated ECs were measured. The concentrations of IL-1β,TNF-α,MCP-1,IL-10,and RANTES measured in ATCM correlated positively with monocyte adhesiveness to ECs. Additionally, ATCM increased the adhesion molecules (ICAM-1, VCAM-1) gene expression. Selective inhibitors highlighted the importance of IL-1β and TNF-α in the process by a significant decrease in monocyte adhesion compared to ATCM preconditioning without inhibitors. Human VAT significantly increased monocyte adhesion to ECs. It was significantly influenced by IL-1β, TNF-α, MCP-1, IL-10, and RANTES, with IL-1β and TNF‑α having the strongest impact.
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Affiliation(s)
- Sona Cejkova
- a Laboratory for Atherosclerosis Research, Institute for Clinical and Experimental Medicine , Prague , Czech Republic.,b Department of Physiology, Faculty of Science, Charles University , Prague , Czech Republic
| | - Hana Kubatova
- a Laboratory for Atherosclerosis Research, Institute for Clinical and Experimental Medicine , Prague , Czech Republic.,b Department of Physiology, Faculty of Science, Charles University , Prague , Czech Republic
| | - Filip Thieme
- c Center for Experimental Medicine, Department of Transplant Surgery, Institute for Clinical and Experimental Medicine , Czech Republic
| | - Libor Janousek
- c Center for Experimental Medicine, Department of Transplant Surgery, Institute for Clinical and Experimental Medicine , Czech Republic
| | - Jiri Fronek
- c Center for Experimental Medicine, Department of Transplant Surgery, Institute for Clinical and Experimental Medicine , Czech Republic
| | - Rudolf Poledne
- a Laboratory for Atherosclerosis Research, Institute for Clinical and Experimental Medicine , Prague , Czech Republic
| | - Ivana Kralova Lesna
- a Laboratory for Atherosclerosis Research, Institute for Clinical and Experimental Medicine , Prague , Czech Republic.,d Department of Anesthesia and Intensive Medicine, First Medical Faculty, Charles University and University Military Hospital , Czech Republic
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17
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Kong Q, Ma X, Lyu JX, Wang C, Du XY, Guan YQ. Plasma RANTES level is correlated with cardio-cerebral atherosclerosis burden in patients with ischemic cerebrovascular disease. Chronic Dis Transl Med 2020; 6:46-54. [PMID: 32226934 PMCID: PMC7096324 DOI: 10.1016/j.cdtm.2020.02.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Indexed: 11/23/2022] Open
Abstract
Background Regulated upon activation, normal T-cell expressed, and secreted (RANTES) is a chemokine actively involved in the initiation and progression of atherosclerosis (AS), which is the major cause of ischemic cerebrovascular disease (ICVD). This study aimed to determine the associations between circulating RANTES level and overall AS conditions of cardiac and cerebral vessel beds in patients with ICVD. Methods Patients with ICVD admitted to the department of neurology of Xuanwu Hospital from April 1, 2019 to June 30, 2019 were prospectively enrolled in the study. Plasma RANTES level was measured by enzyme-linked immunosorbent assay to represent the circulating RANTES level. The integrated AS burden of the cervicocephalic and coronary arteries was examined using computed tomography angiography and reflected by “cardio-cerebral AS burden (CCAB)” as a continuous variable. Then, the relationship of plasma RANTES level and CCAB in patients with ICVD was analyzed by correlation analyses and general linear models. Results A total of 40 patients with ICVD were included in the study. There was a significant positive correlation between CCAB and plasma RANTES level in ICVD (r = 0.786, P < 0.001), independent of age, sex, acute or chronic phase of ICVD, and mono or dual antiplatelet therapy (adjusted B for ln RANTES, 12.063; 95% confidence interval, 7.572–16.533). The association of plasma RANTES level with AS conditions (burden, severity, and extent) in single cardiac or cerebral vessel bed was similar to that with CCAB, but the correlation coefficient for CCAB was higher (increment ranged from 0.126 to 0.397). Conclusions Plasma RANTES level was an independent indicator for the integrated AS burden of the cervicocephalic and coronary arteries in ICVD. Comprehensive evaluation of AS conditions using the novel continuous index CCAB might be important in revealing the systematic relationship between circulating RANTES and AS in patients with ICVD.
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Affiliation(s)
- Qi Kong
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China.,Clinical Center for Cardio-cerebrovascular Disease, Capital Medical University, Beijing 100053, China
| | - Xin Ma
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China.,Clinical Center for Cardio-cerebrovascular Disease, Capital Medical University, Beijing 100053, China
| | - Jun-Xuan Lyu
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China.,Clinical Center for Cardio-cerebrovascular Disease, Capital Medical University, Beijing 100053, China
| | - Chen Wang
- Department of Radiology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Xiang-Ying Du
- Department of Radiology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Yun-Qian Guan
- Department of Cell Biology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
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18
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Yusuf A, Casey A. Liposomal encapsulation of silver nanoparticles (AgNP) improved nanoparticle uptake and induced redox imbalance to activate caspase-dependent apoptosis. Apoptosis 2019; 25:120-134. [PMID: 31863325 DOI: 10.1007/s10495-019-01584-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Macrophages play a crucial role in several diseases' development and progression, such as in cancer and arthritis through ROS generation and inflammation. This makes macrophages a therapeutic target in these diseases. While silver nanoparticles (AgNP) have been widely used as an antibacterial and investigated as anticancer, its potential against macrophages may be limited due to its inherent oxidative mechanism. Here we encapsulated AgNP in a dipalmitoyl-phosphatidyl choline (DPPC) liposome (forming Lipo-AgNP) to suppress AgNP-induced ROS and enhance its cytotoxicity against THP1-differentiated macrophages (TDM). Our findings showed that while Lipo-AgNP had significantly more of a cytotoxic effect on TDMs (p < 0.01), it also significantly suppressed AgNP induced ROS generation and unexpectedly suppressed reduced glutathione (GSH) levels (p < 0.05) resulting in a redox imbalance in comparison to the unexposed control TDMs. Lipo-AgNP was also found to cause an increase DNA damage through H2AX histone phosphorylation and inhibition of Bcl-2 protein expression. This increased the Bax/Bcl2 ratio causing possible release of cytochrome C and subsequent caspase 3/7-dependent apoptosis. It was found that the difference between the mechanism of AgNP and Lipo-AgNP cytotoxicity may have been through the significantly increased Lipo-AgNP uptake by the TDMs as early as 30 min post-exposure (p < 0.05), changing the nanoparticle pharmacokinetic. In conclusion, the improved uptake of AgNP within the liposome caused ROS-independent caspase activation induced by Lipo-AgNP and this was facilitated by increased DNA damage, the induced redox imbalance and an increased Bax/Bcl-2 ratio.
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Affiliation(s)
- Azeez Yusuf
- School of Physics, Technological University Dublin, Kevin Street, Dublin 8, Ireland. .,Nanolab Research Centre, FOCAS Research Institute, Technological University Dublin, Kevin Street, Dublin 8, Ireland.
| | - Alan Casey
- School of Physics, Technological University Dublin, Kevin Street, Dublin 8, Ireland.,Nanolab Research Centre, FOCAS Research Institute, Technological University Dublin, Kevin Street, Dublin 8, Ireland
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19
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Factors Associated with RANTES Concentration in Cardiovascular Disease Patients. BIOMED RESEARCH INTERNATIONAL 2019; 2019:3026453. [PMID: 31396527 PMCID: PMC6668548 DOI: 10.1155/2019/3026453] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 06/09/2019] [Accepted: 07/10/2019] [Indexed: 12/28/2022]
Abstract
Objective The aim of the study was to establish, by means of linear regressions analysis, whether RANTES and CCL2 have a relationship with age, sex, heart rate, ejection fraction, white blood cells count, monocyte count, platelet count, mean platelet volume, hsCRP concentration, creatinine and eGFR value, applied treatments, and coronary risk factors in polish cardiovascular disease patients. Methods Plasma chemokines concentrations were measured by ELISA method (R&D Systems Europe Ltd., Abingdon, England) in 115 cardiovascular disease patients (83 myocardial infarction/AMI and 32 stable angina/SA) and in the control group (N=25). Results Univariate linear regression analysis found that (1) for men mean RANTES plasma level is 1.56 times higher as compared to women; (2) if patient's age increases by 1 year, the mean RANTES concentration value increases by 1.4%; (3) if CCL2 concentration increases by 10 pg/mL, the mean RANTES concentration value increases by 3.3%; (4) if hsCRP concentration increases by 1 mg/L, the mean RANTES concentration value increases by 1.0%. By means of multiple linear regression analysis we found that (1) for men the mean plasma RANTES concentration value increases 1.89 times as compared to women; (2) if CCL2 concentration increases by 10 pg/mL, the mean RANTES concentration value increases by 3.4%; (3) if MPV increases by 1 fL, the mean RANTES concentration value increases by 12%, if other model parameters are fixed. For CCL2 we did not obtain statistically significant linear regression models. Conclusion Due to high variability of obtained CCL2 concentrations, it seems that RANTES better reflects the presence of the atherosclerotic lesion than CCL2. RANTES as a marker of atherosclerotic process may be an important therapeutic target, and the assessment of RANTES concentration should be interpreted depending on patient's sex, age, platelet hyperactivity state, hsCRP, and CCL2 concentration.
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20
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Blin MG, Bachelier R, Fallague K, Moussouni K, Aurrand-Lions M, Fernandez S, Guillet B, Robert S, Foucault-Bertaud A, Bardin N, Blot-Chabaud M, Dignat-George F, Leroyer AS. CD146 deficiency promotes plaque formation in a mouse model of atherosclerosis by enhancing RANTES secretion and leukocyte recruitment. J Mol Cell Cardiol 2019; 130:76-87. [PMID: 30928429 DOI: 10.1016/j.yjmcc.2019.03.017] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 02/26/2019] [Accepted: 03/25/2019] [Indexed: 11/18/2022]
Abstract
AIMS The progression of atherosclerosis is based on the continued recruitment of leukocytes in the vessel wall. The previously described role of CD146 in leukocyte infiltration suggests an involvement for this adhesion molecule in the inflammatory response. In this study, we investigated the role of CD146 in leukocyte recruitment by using an experimental model of atherogenesis. METHODS AND RESULTS The role of CD146 was explored in atherosclerosis by crossing CD146-/- mice with ApoE-/- mice. CD146 -/-/ApoE -/- and ApoE -/- mice were fed a Western diet for 24 weeks and were monitored for aortic wall thickness using high frequency ultrasound. The arterial wall was significantly thicker in CD146-deficient mice. After 24 weeks of Western diet, a significant increase of atheroma in both total aortic lesion and aortic sinus of CD146-null mice was observed. In addition, atherosclerotic lesions were more inflammatory since plaques from CD146-deficient mice contained more neutrophils and macrophages. This was due to up-regulation of RANTES secretion by macrophages in CD146-deficient atherosclerotic arteries. This prompted us to further address the function of CD146 in leukocyte recruitment during acute inflammation by using a second experimental model of peritonitis induced by thioglycollate. Neutrophil recruitment was significantly increased in CD146-deficient mice 12 h after peritonitis induction and associated with higher RANTES levels in the peritoneal cavity. In CD146-null macrophages, we also showed that increased RANTES production was dependent on constitutive inhibition of the p38-MAPK signaling pathway. Finally, Maraviroc, a RANTES receptor antagonist, was able to reduce atherosclerotic lesions and neutrophilia in CD146-deficient mice to the same level as that found in ApoE -/- mice. CONCLUSIONS Our data indicate that CD146 deficiency is associated with the upregulation of RANTES production and increased inflammation of atheroma, which could influence the atherosclerotic plaque fate. Thus, these data identify CD146 agonists as potential new therapeutic candidates for atherosclerosis treatment.
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Affiliation(s)
- Muriel G Blin
- Aix-Marseille Univ., INSERM 1263, INRA 1260, C2VN, Marseille, France
| | - Richard Bachelier
- Aix-Marseille Univ., INSERM 1263, INRA 1260, C2VN, Marseille, France
| | - Karim Fallague
- Aix-Marseille Univ., INSERM 1263, INRA 1260, C2VN, Marseille, France
| | - Karima Moussouni
- Aix-Marseille Univ., INSERM 1263, INRA 1260, C2VN, Marseille, France
| | - Michel Aurrand-Lions
- Aix Marseille Univ., CNRS, INSERM, Institut Paoli-Calmettes, CRCM, Marseille, France
| | - Samantha Fernandez
- Aix-Marseille Univ., CERIMED, Secteur Nucléaire Pré-clinique, Timone, 13005 Marseille, France
| | - Benjamin Guillet
- Aix-Marseille Univ., INSERM 1263, INRA 1260, C2VN, Marseille, France; Aix-Marseille Univ., CERIMED, Secteur Nucléaire Pré-clinique, Timone, 13005 Marseille, France; Assistance Publique-Hôpitaux de Marseille, Hôpital Nord, Marseille, France
| | - Stéphane Robert
- Aix-Marseille Univ., INSERM 1263, INRA 1260, C2VN, Marseille, France
| | | | - Nathalie Bardin
- Aix-Marseille Univ., INSERM 1263, INRA 1260, C2VN, Marseille, France; Assistance Publique-Hôpitaux de Marseille, Hôpital de la Conception, 13385 Marseille, France
| | | | - Françoise Dignat-George
- Aix-Marseille Univ., INSERM 1263, INRA 1260, C2VN, Marseille, France; Assistance Publique-Hôpitaux de Marseille, Hôpital de la Conception, 13385 Marseille, France
| | - Aurélie S Leroyer
- Aix-Marseille Univ., INSERM 1263, INRA 1260, C2VN, Marseille, France.
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Chuang LP, Chen NH, Lin SW, Hu HC, Kao KC, Li LF, Yang CT, Huang CC, Pang JHS. Monocytic C-C chemokine receptor 5 expression increases in in vitro intermittent hypoxia condition and in severe obstructive sleep apnea patients. Sleep Breath 2019; 23:1177-1186. [PMID: 30778913 PMCID: PMC6867987 DOI: 10.1007/s11325-019-01797-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Revised: 01/26/2019] [Accepted: 01/31/2019] [Indexed: 12/14/2022]
Abstract
Purpose Obstructive sleep apnea (OSA) patients have higher risk of cardiovascular disease. C-C chemokine receptor 5 (CCR5), as an important receptor for monocyte recruitment and the initiation of atherosclerosis, was studied under intermittent hypoxia and in OSA patients. Methods The expression and function of CCR5 regulated by intermittent hypoxia in monocytic THP-1 cells were investigated in an in vitro intermittent hypoxia culture system. The expression levels of protein and mRNA were analyzed by western blot and RT/real-time PCR analysis. Cell adhesion assay and transwell filter migration assay were carried out to investigate the adhesion and chemotaxis of monocytes. In addition, the mRNA expression of CCR5 in monocytes isolated from peripheral blood of 72 adults was analyzed. Results Intermittent hypoxia upregulated the expression of CCR5 in THP-1 cells and enhanced the adhesion and chemotaxis of monocytes to vascular endothelial cells mediated by RANTES. The CCR5 expression induced by intermittent hypoxia was inhibited by inhibitor for p42/44 MAPK. Besides, the expression of CCR5 in monocytes increased along the AHI value especially in severe OSA patients that was statistically significant compared with mild and moderate OSA groups. Conclusions This study demonstrated the increased monocytic CCR5 gene expression in patients with severe OSA. Intermittent hypoxia, the characteristic of OSA, induced monocytic CCR5 gene expression and the enhanced RANTES-mediated chemotaxis and adhesion through p42/44 MAPK signal pathways.
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Affiliation(s)
- Li-Pang Chuang
- Sleep Center, Department of Pulmonary and Critical Care Medicine, Chang Gung Memorial Hospital, Taoyuan City, Taiwan
- School of Medicine, College of Medicine, Chang Gung University, Taoyuan City, Taiwan
| | - Ning-Hung Chen
- Sleep Center, Department of Pulmonary and Critical Care Medicine, Chang Gung Memorial Hospital, Taoyuan City, Taiwan
| | - Shih-Wei Lin
- Sleep Center, Department of Pulmonary and Critical Care Medicine, Chang Gung Memorial Hospital, Taoyuan City, Taiwan
| | - Han-Chung Hu
- Sleep Center, Department of Pulmonary and Critical Care Medicine, Chang Gung Memorial Hospital, Taoyuan City, Taiwan
| | - Kuo-Chin Kao
- Sleep Center, Department of Pulmonary and Critical Care Medicine, Chang Gung Memorial Hospital, Taoyuan City, Taiwan
| | - Li-Fu Li
- Sleep Center, Department of Pulmonary and Critical Care Medicine, Chang Gung Memorial Hospital, Taoyuan City, Taiwan
| | - Cheng-Ta Yang
- Sleep Center, Department of Pulmonary and Critical Care Medicine, Chang Gung Memorial Hospital, Taoyuan City, Taiwan
| | - Chung-Chi Huang
- Sleep Center, Department of Pulmonary and Critical Care Medicine, Chang Gung Memorial Hospital, Taoyuan City, Taiwan
| | - Jong-Hwei S Pang
- Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Taoyuan City, Taiwan.
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital, Linkou, Taoyuan City, Taiwan.
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Association of monocyte myeloperoxidase with incident cardiovascular disease: The Atherosclerosis Risk in Communities Study. PLoS One 2018; 13:e0205310. [PMID: 30300402 PMCID: PMC6177167 DOI: 10.1371/journal.pone.0205310] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Accepted: 09/21/2018] [Indexed: 12/21/2022] Open
Abstract
Myeloperoxidase (MPO) is a heme-containing peroxidase found in azurophilic granules of neutrophils and monocytes. Epidemiological studies have reported greater plasma MPO concentration to be associated with increased incidence of several cardiovascular diseases (CVD), but the association of intracellular monocyte MPO (mMPO) with CVD is unclear. The prospective population-based Atherosclerosis Risk in Communities (ARIC) cohort study measured mMPO using flow cytometry in 1,465 participants. The association of mMPO with incident cardiovascular disease (CVD, comprising incident coronary heart disease (CHD), heart failure, stroke, peripheral artery disease, and cardiovascular mortality) was examined over a median 9.6 years of follow-up (n = 290 CVD events). There was no statistically significant association between mMPO and all incident CVD events in either age, sex, and race-adjusted proportional hazards models (HR (95% CI) across tertiles of mMPO: 1, 1.09 (0.76, 1.57), and 0.78 (0.52, 1.15), P-trend = 0.21) or adjusted for other major CVD risk factors (HR (95% CI): 1, 1.17 (0.81, 1.69), and 0.87 (0.58, 1.29), P-trend = 0.50). There also was no association between mMPO tertiles and incident CHD, heart failure, or all-cause mortality, examined separately. In conclusion, intracellular monocyte myeloperoxidase was not associated with incident cardiovascular disease in this prospective population-based study.
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Zhao Y, Yang X, Zhang X, Yu Q, Zhao P, Wang J, Duan C, Li J, Johnson H, Feng X, Zhang H. IP-10 and RANTES as biomarkers for pulmonary tuberculosis diagnosis and monitoring. Tuberculosis (Edinb) 2018; 111:45-53. [PMID: 30029914 DOI: 10.1016/j.tube.2018.05.004] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 04/20/2018] [Accepted: 05/12/2018] [Indexed: 12/22/2022]
Abstract
OBJECTIVE We aimed to determine whether IP-10 and RANTES plasma levels can be used in diagnosis and monitoring of pulmonary tuberculosis (PTB). METHODS Plasma levels of cytokines/chemokines were measured using a Bio-Plex® multiplex cytokine assay system in a cohort containing 457 clinically suspected PTB patients including a training set (n = 41)and two independent test sets A (n = 242) and B (n = 174). RESULTS Plasma levels of IP-10 and RANTES were significantly higher in PTB patients than healthy controls' in both training and independent test sets (P < 0.05). Compared with other combinations, the combination of IP-10 and RANTES had the best performance with an AUC of 1.0 in training set. The performance characteristic of this model was successfully validated in independent test set A although this combination only resulted in a slightly improvement of AUC value in independent test set B. Plasma IP-10 and RANTES levels were weakly and positively correlated with blood glucose concentrations. Moreover, IP-10 levels were positively correlated with CRP and ESR in PTB patients. Furthermore, in response to therapy, both IP-10 and RANTES levels significantly decreased over the period of 6 months (P < 0.001). CONCLUSIONS Taken together, combination of IP-10 and RANTES could be potentially used as diagnostic and monitoring biomarker in PTB management.
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Affiliation(s)
- Yanfeng Zhao
- Department of Bio-diagnosis, Institute of Basic Medical Sciences, 27, Taiping Road, Beijing, 100850, China; Beijing Research Institute for Tuberculosis Control, No 5, Dongguang Hutong, Xinjiekou, Beijing, 100035, China
| | - Xiqin Yang
- Department of Bio-diagnosis, Institute of Basic Medical Sciences, 27, Taiping Road, Beijing, 100850, China
| | - Xuhui Zhang
- Department of Bio-diagnosis, Institute of Basic Medical Sciences, 27, Taiping Road, Beijing, 100850, China
| | - Qin Yu
- Chaoyang District Center for Disease Control and Prevention, 25 Panjiayuan, Huaweili, Beijing, 100029, China
| | - Ping Zhao
- Chaoyang District Center for Disease Control and Prevention, 25 Panjiayuan, Huaweili, Beijing, 100029, China
| | - Jianxia Wang
- Department of Bio-diagnosis, Institute of Basic Medical Sciences, 27, Taiping Road, Beijing, 100850, China
| | - Cuimi Duan
- Department of Bio-diagnosis, Institute of Basic Medical Sciences, 27, Taiping Road, Beijing, 100850, China
| | - Jiangxue Li
- Department of Bio-diagnosis, Institute of Basic Medical Sciences, 27, Taiping Road, Beijing, 100850, China
| | | | - Xiaoyan Feng
- Department of Bio-diagnosis, Institute of Basic Medical Sciences, 27, Taiping Road, Beijing, 100850, China.
| | - Heqiu Zhang
- Department of Bio-diagnosis, Institute of Basic Medical Sciences, 27, Taiping Road, Beijing, 100850, China.
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Lv JX, Kong Q, Ma X. Current advances in circulating inflammatory biomarkers in atherosclerosis and related cardio-cerebrovascular diseases. Chronic Dis Transl Med 2017; 3:207-212. [PMID: 29354803 PMCID: PMC5747494 DOI: 10.1016/j.cdtm.2017.09.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Indexed: 12/30/2022] Open
Abstract
Atherosclerosis (AS) is a systemic chronic disease affecting both the coronary and cerebral arteries. Inflammation plays a key role in the initiation and progression of AS, and numerous inflammatory factors have been proposed as potential biomarkers. This article reviews recent research in studies on major circulating inflammatory biomarkers to identify surrogates that may reflect processes associated with AS development and the risk of AS-related vascular events, such as Von Willebrand factor, lectin-like oxidized low-density-lipoprotein receptor-1, soluble urokinase plasminogen activator receptor, regulated upon activation, normal T-cell expressed and secreted, and microparticles, which may provide new perspectives for clinical AS evaluation and risk stratification.
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Affiliation(s)
- Jun-Xuan Lv
- Department of Neurology, Xuanwu Hospital of Capital Medical University, National Clinical Research Center for Geriatric Disorders, Clinical Center for Cardio-cerebrovascular Disease Capital Medical University, Beijing 100053, China
| | - Qi Kong
- Department of Neurology, Xuanwu Hospital of Capital Medical University, National Clinical Research Center for Geriatric Disorders, Clinical Center for Cardio-cerebrovascular Disease Capital Medical University, Beijing 100053, China
| | - Xin Ma
- Department of Neurology, Xuanwu Hospital of Capital Medical University, National Clinical Research Center for Geriatric Disorders, Clinical Center for Cardio-cerebrovascular Disease Capital Medical University, Beijing 100053, China
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Feng X, Gao X, Jia Y, Zhang H, Xu Y. Atorvastatin Decreased Circulating RANTES Levels in Impaired Glucose Tolerance Patients with Hypercholesterolemia: An Interventional Study. Diabetes Ther 2017; 8:309-319. [PMID: 28120261 PMCID: PMC5380490 DOI: 10.1007/s13300-017-0227-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2016] [Indexed: 01/27/2023] Open
Abstract
INTRODUCTION Impaired glucose tolerance (IGT) is the major cause of the development of both type 2 diabetes and atherosclerosis. Regulated upon activation, normal T cells expressed and secreted (RANTES), a proinflammatory chemokine, is associated with atherosclerosis. We investigated the effect of atorvastatin on circulating RANTES in IGT patients with hypercholesterolemia. METHODS This study evaluated cross-sectional and interventional studies of 32 IGT patients with hypercholesterolemia (group A) and 32 controls (group B). Group A was treated with atorvastatin (20 mg/day) for 8 weeks. Platelet-free plasma (PFP) RANTES and clinical characteristics were examined. RESULTS PFP RANTES was significantly higher in group A compared with group B (9.76 ± 3.10 vs 6.43 ± 2.16 ng/ml, P < 0.001). PFP RANTES was positively correlated with total cholesterol (TC) (r = 0.589, P < 0.001), low-density lipoprotein cholesterol (LDL-C) (r = 0.583, P < 0.001), triglycerides (TG) (r = 0.450, P < 0.001), fasting blood glucose (FBG) (r = 0.469, P < 0.001), 2-hour postchallenge glucose (2hPG) (r = 0.397, P = 0.001), glycosylated hemoglobin (HbA1c) (r = 0.353, P = 0.004), and high sensitivity C-reactive protein (hsCRP) (r = 0.616, P < 0.001), and negatively related to high-density lipoprotein cholesterol (HDL-C) (r = -0.272, P = 0.029). After controlling for confounders, LDL-C (β = 2.109, P < 0.001) and hsCRP (β = 0.272, P = 0.029) were independently related to RANTES. After atorvastatin treatment, PFP RANTES significantly decreased in group A compared with baseline (from 9.76 ± 3.10 to 7.48 ± 2.78 ng/ml, P < 0.001). CONCLUSIONS Atorvastatin decreased circulating RANTES in IGT patients with hypercholesterolemia, indicating that statins may play an important role in inhibiting inflammatory responses in patients with IGT.
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Affiliation(s)
- Xiaomeng Feng
- Department of Endocrinology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China
| | - Xia Gao
- Department of Endocrinology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China
| | - Yumei Jia
- Department of Endocrinology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China
| | - Heng Zhang
- Department of Endocrinology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China
| | - Yuan Xu
- Department of Endocrinology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China.
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Lozhkin A, Vendrov AE, Pan H, Wickline SA, Madamanchi NR, Runge MS. NADPH oxidase 4 regulates vascular inflammation in aging and atherosclerosis. J Mol Cell Cardiol 2016; 102:10-21. [PMID: 27986445 PMCID: PMC5625334 DOI: 10.1016/j.yjmcc.2016.12.004] [Citation(s) in RCA: 74] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Revised: 12/08/2016] [Accepted: 12/12/2016] [Indexed: 01/10/2023]
Abstract
We recently reported that increased NADPH oxidase 4 (NOX4) expression and activity during aging results in enhanced cellular and mitochondrial oxidative stress, vascular inflammation, dysfunction, and atherosclerosis. The goal of the present study was to elucidate the molecular mechanism(s) for these effects and determine the importance of NOX4 modulation of proinflammatory gene expression in mouse vascular smooth muscle cells (VSMCs). A novel peptide-mediated siRNA transfection approach was used to inhibit Nox4 expression with minimal cellular toxicity. Using melittin-derived peptide p5RHH, we achieved significantly higher transfection efficiency (92% vs. 85% with Lipofectamine) and decreased toxicity (p<0.001 vs. Lipofectamine in MTT and p<0.0001 vs. Lipofectamine in LDH assays) in VSMCs. TGFβ1 significantly upregulates Nox4 mRNA (p<0.01) and protein (p<0.01) expression in VSMCs. p5RHH-mediated Nox4 siRNA transfection greatly attenuated TGFβ1-induced upregulation of Nox4 mRNA (p<0.01) and protein (p<0.0001) levels and decreased hydrogen peroxide production (p<0.0001). Expression of pro-inflammatory genes Ccl2, Ccl5, Il6, and Vcam1 was significantly upregulated in VSMCs in several settings cells isolated from aged vs. young wild-type mice, in atherosclerotic arteries of Apoe-/- mice, and atherosclerotic human carotid arteries and correlated with NOX4 expression. p5RHH-mediated Nox4 siRNA transfection significantly attenuated the expression of these pro-inflammatory genes in TGFβ1-treated mouse VSMCs, with the highest degree of inhibition in the expression of Il6. p5RHH peptide-mediated knockdown of TGFβ-activated kinase 1 (TAK1, also known as Map3k7), Jun, and Rela, but not Nfkb2, downregulated TGFβ1-induced Nox4 expression in VSMCs. Together, these data demonstrate that increased expression and activation of NOX4, which might result from increased TGFβ1 levels seen during aging, induces a proinflammatory phenotype in VSMCs, enhancing atherosclerosis.
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Affiliation(s)
- Andrey Lozhkin
- Frankel Cardiovascular Center, Department of Internal Medicine, University of Michigan, Ann Arbor 48109, MI, USA
| | - Aleksandr E Vendrov
- Frankel Cardiovascular Center, Department of Internal Medicine, University of Michigan, Ann Arbor 48109, MI, USA
| | - Hua Pan
- Division of Cardiology, Department of Medicine, Washington University School of Medicine, Saint Louis 63110, MO, USA
| | - Samuel A Wickline
- Division of Cardiology, Department of Medicine, Washington University School of Medicine, Saint Louis 63110, MO, USA
| | - Nageswara R Madamanchi
- Frankel Cardiovascular Center, Department of Internal Medicine, University of Michigan, Ann Arbor 48109, MI, USA
| | - Marschall S Runge
- Frankel Cardiovascular Center, Department of Internal Medicine, University of Michigan, Ann Arbor 48109, MI, USA.
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Malard B, Florens N, Lambert C, Juillard L. Adsorption as a Contributor for Inflammatory Mediators Removal by Different Hemofiltration Membranes: A Pilot Study. Artif Organs 2016; 41:545-555. [DOI: 10.1111/aor.12785] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Revised: 04/21/2016] [Accepted: 05/17/2016] [Indexed: 01/22/2023]
Affiliation(s)
| | - Nans Florens
- Nephrology Department; Hospices Civils De Lyon
- Inserm CARMEN U1060; University of Lyon1; Lyon France
| | | | - Laurent Juillard
- Nephrology Department; Hospices Civils De Lyon
- Inserm CARMEN U1060; University of Lyon1; Lyon France
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CC chemokine ligands in patients presenting with stable chest pain: association with atherosclerosis and future cardiovascular events. Neth Heart J 2016; 24:722-729. [PMID: 27573044 PMCID: PMC5120005 DOI: 10.1007/s12471-016-0884-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND CC chemokine ligands (CCLs) are elevated during acute coronary syndrome (ACS) and correlate with secondary events. Their involvement in plaque inflammation led us to investigate whether CCL3-5-18 are linked to the extent of coronary artery disease (CAD) and prognostic for primary events during follow-up. METHODS We measured CCL3-5-18 serum concentrations in 712 patients with chest discomfort referred for cardiac CT angiography. Obstructive CAD was defined as ≥50 % stenosis. The extent of CAD was measured by calcium score and segment involvement score (number of coronary segments with any CAD, range 0-16). Patients were followed up for all-cause mortality, ACS and revascularisation, for a mean 26 ± 7 months. RESULTS Patients with obstructive CAD had significantly higher CCL5 (p = 0.02), and borderline significantly elevated CCL18 plasma levels as compared with patients with <50 % stenosis (p = 0.06). CCL18 levels were associated with coronary calcification (p = 0.002) and segment involvement score (p = 0.007). Corrected for traditional risk factors, only CCL5 provided independent predictive value for obstructive CAD: odds ratio (OR) 1.27 (1.02-1.59), p = 0.04. CCL5 provided independent predictive value for primary events during follow-up: OR 1.62 (1.03-2.57), p = 0.04. CONCLUSIONS While CCL18 serum levels correlated with extent of CAD, CCL5 demonstrated an independent association with the presence of obstructive CAD, and occurrence of primary cardiac events.
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Digested protein isolate from fresh and stored Carioca beans reduced markers of atherosclerosis in oxidized LDL-induced THP-1 macrophages. J Funct Foods 2016. [DOI: 10.1016/j.jff.2016.03.027] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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30
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Dearborn JL, Qiao Y, Guallar E, Steffen LM, Gottesman RF, Zhang Y, Wasserman BA. Polyunsaturated fats, carbohydrates and carotid disease: The Atherosclerosis Risk in Communities (ARIC) Carotid MRI study. Atherosclerosis 2016; 251:361-366. [PMID: 27234460 DOI: 10.1016/j.atherosclerosis.2016.05.024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Revised: 04/21/2016] [Accepted: 05/13/2016] [Indexed: 01/23/2023]
Abstract
BACKGROUND AND AIMS Carbohydrates and fat intake have both been linked to development of atherosclerosis. We examined associations between glycemic index (GI) and fat intake with carotid atherosclerosis. METHODS The Atherosclerosis Risk in Communities (ARIC) cohort enrolled participants during the period 1987-1989 and the Carotid MRI sub-study occurred between 2004 and 2006 (1672 participants attending both visits). Measures of carbohydrate quality (usual GI), fat intake (total, polyunsaturated and saturated) and overall dietary quality index (DASH Diet Score) were derived from a 66-item food frequency questionnaire administered at baseline. Trained readers measured lipid core presence and maximum wall thickness. Using multivariate logistic regression, we determined the odds of lipid core presence by quintile (Q) of energy-adjusted dietary components. Restricted cubic spline models were used to examine non-linear associations between dietary components and maximum wall thickness. RESULTS Mean daily polyunsaturated fat intake was 5 g (SD 1.4). GI and polyunsaturated fat intake had a nonlinear relationship with maximum wall thickness. Low (1-4 g) and high (6-12 g) polyunsaturated fat intake were associated with a statistically significant decreased odds of lipid core presence compared to intake in a majority of participants (OR Q5 vs. Q2-4: 0.64, 95% CI 0.42 to 0.98; OR Q1 vs. Q2-4: 0.64, 95% CI 0.42, 0.96), however, the association with lipid core was attenuated by adjustment for maximum wall thickness, hypertension, hyperlipidemia, and diabetes. CONCLUSIONS GI and polyunsaturated fat intake were not associated with high-risk plaque features, such as lipid core presence, independent of traditional vascular risk factors.
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Affiliation(s)
- Jennifer L Dearborn
- Department of Neurology, Yale University School of Medicine, New Haven, CT, USA.
| | - Ye Qiao
- The Russell H. Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Eliseo Guallar
- Department of Epidemiology and Welch Center for Prevention, Epidemiology and Clinical Research, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
| | - Lyn M Steffen
- Division of Epidemiology and Community Health, University of Minnesota School of Public Health, Minneapolis, MN, USA
| | - Rebecca F Gottesman
- Department of Epidemiology and Welch Center for Prevention, Epidemiology and Clinical Research, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA; Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Yiyi Zhang
- Department of Epidemiology and Welch Center for Prevention, Epidemiology and Clinical Research, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
| | - Bruce A Wasserman
- The Russell H. Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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Podolec J, Kopec G, Niewiara L, Komar M, Guzik B, Bartus K, Tomkiewicz-Pajak L, Guzik TJ, Plazak W, Zmudka K. Chemokine RANTES is increased at early stages of coronary artery disease. JOURNAL OF PHYSIOLOGY AND PHARMACOLOGY : AN OFFICIAL JOURNAL OF THE POLISH PHYSIOLOGICAL SOCIETY 2016; 67:321-328. [PMID: 27226191 PMCID: PMC6281158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Accepted: 03/23/2016] [Indexed: 06/05/2023]
Abstract
Cardiovascular diseases, and in particular coronary artery disease (CAD), are the leading causes of death in Europe and represent around 50% of overall mortality. Numerous cardiovascular markers have been proposed in relation to cardiovascular risk prediction, in relation to cardiac and vascular and cerebral events. Chemokines which regulate immune cell vascular chemotaxis, including CCL5/RANTES are points of great interest. We hypothesized that chemokine RANTES level measured in peripheral blood may be associated with severity of atherosclerosis in patients with stable angina undergoing coronary angiography. RANTES and interleukin 18 (IL-18) levels were measured by ELISA. Classical and novel cardiovascular risk factors like brachial flow mediated dilation and intima-media thickness were analyzed in the context of chemokine levels and severity of atherosclerosis. Study included 62 consecutive patients with coronary atherosclerosis demonstrated by coronary angiography, (mean age 59.3 years (S.D. = 7.4)), divided into two groups: group I with lower severity of atherosclerosis, (n = 45) and group 2 with severe CAD (n = 17) based on coronary angiography. Groups were well balanced for classic risk factors for atherosclerosis. Mean RANTES level were significantly higher in patients in group I (67.9 ng/ml, S.E.M. = 3.97) than in group II (50.5 ng/ml, S.E.M. = 7.49; P = 0.03). In contrast, IL-18 levels were similar in both groups (255 pg/ml in group I and 315 pg/ml, S.E.M. = 40.91 in group I, P = 0.12), as well as hsCRP concentration (3.45 S.E.M. = 2.66 ng/ml and 4.69 ng/ml S.E.M.= 1.64 ng/ml respectively; P = 0.47). Flow-mediated dilatation (FMD) values have been significantly lower in group II than in group I (6.31; S.E.M. = 0.61; vs 4.41; S.E.M. = 0,56, respectively, P = 0.026), while nitroglycerine-mediated dilatation (NMD) did not differ, indicating more pronounced endothelial dysfunction. No significant correlations between chemokine RANTES levels and intima-media thickness (IMT), FMD measurements have been found in the total population studied. Chemokine RANTES level could become a useful marker of severity of coronary artery disease. Its lower levels were observed in patients with more diffuse disease. Elevated level of chemokine RANTES in patients with stable angina pectoris may evaluate patients to high risk group in plaque formation at early stages of atherosclerosis.
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Affiliation(s)
- J Podolec
- Department of Interventional Cardiology, Jagiellonian University, Collegium Medicum, John Paul II Hospital, Cracow, Poland.
| | - G Kopec
- Department of Cardiac and Vascular Diseases, Jagiellonian University, Collegium Medicum, John Paul II Hospital, Cracow, Poland
| | - L Niewiara
- Department of Interventional Cardiology, Jagiellonian University, Collegium Medicum, John Paul II Hospital, Cracow, Poland
| | - M Komar
- Department of Cardiac and Vascular Diseases, Jagiellonian University, Collegium Medicum, John Paul II Hospital, Cracow, Poland
| | - B Guzik
- Department of Interventional Cardiology, Jagiellonian University, Collegium Medicum, John Paul II Hospital, Cracow, Poland
| | - K Bartus
- Department of Cardiovascular Surgery and Transplantology, Jagiellonian University, Collegium Medicum, Hospital, Cracow, Poland
| | - L Tomkiewicz-Pajak
- Department of Cardiac and Vascular Diseases, Jagiellonian University, Collegium Medicum, John Paul II Hospital, Cracow, Poland
| | - T J Guzik
- Department of Internal and Agricultural Medicine, Jagiellonian University, Collegium Medicum, Cracow, Poland
| | - W Plazak
- Department of Cardiac and Vascular Diseases, Jagiellonian University, Collegium Medicum, John Paul II Hospital, Cracow, Poland
| | - K Zmudka
- Department of Interventional Cardiology, Jagiellonian University, Collegium Medicum, John Paul II Hospital, Cracow, Poland
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Multiplex Immunoassay of Plasma Cytokine Levels in Men with Alcoholism and the Relationship to Psychiatric Assessments. Int J Mol Sci 2016; 17:472. [PMID: 27043532 PMCID: PMC4848928 DOI: 10.3390/ijms17040472] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Revised: 03/22/2016] [Accepted: 03/24/2016] [Indexed: 12/26/2022] Open
Abstract
Chronic alcohol use alters adaptive immunity and cytokine activity influencing immunological and hormone responses, inflammation, and wound healing. Brain cytokine disturbances may impact neurological function, mood, cognition and traits related to alcoholism including impulsiveness. We examined the relationship between plasma cytokine levels and self-rated psychiatric symptoms in 40 adult males (mean age 51 ± 6 years; range 33–58 years) with current alcohol dependence and 30 control males (mean age 48 ± 6 years; range 40–58 years) with no history of alcoholism using multiplex sandwich immunoassays with the Luminex magnetic-bead based platform. Log-transformed cytokine levels were analyzed for their relationship with the Symptom Checklist-90R (SCL-90R), Barratt Impulsivity Scales (BIS) and Alcoholism Severity Scale (ASS). Inflammatory cytokines (interferon γ-induced protein-10 (IP-10); monocyte chemoattractant protein-1 (MCP1); regulated on activation, normal T cell expressed and secreted (RANTES)) were significantly elevated in alcoholism compared to controls while bone marrow-derived hematopoietic cytokines and chemokines (granulocyte-colony stimulating factor (GCSF); soluble CD40 ligand (sCD40L); growth-related oncogene (GRO)) were significantly reduced. GRO and RANTES levels were positively correlated with BIS scales; and macrophage-derived chemokine (MDC) levels were positively correlated with SCL-90R scale scores (p < 0.05). Elevated inflammatory mediators in alcoholism may influence brain function leading to increased impulsiveness and/or phobia. The novel association between RANTES and GRO and impulsivity phenotype in alcoholism should be further investigated in alcoholism and psychiatric conditions with core impulsivity and anxiety phenotypes lending support for therapeutic intervention.
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Feng X, Gao X, Jia Y, Zhang H, Xu Y, Wang G. PPAR-α Agonist Fenofibrate Decreased RANTES Levels in Type 2 Diabetes Patients with Hypertriglyceridemia. Med Sci Monit 2016; 22:743-51. [PMID: 26944934 PMCID: PMC4784549 DOI: 10.12659/msm.897307] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Background Regulated upon activation, normal T cells expressed and secreted (RANTES) is associated with inflammation and atherosclerosis. We investigated the effect of fenofibrate, a peroxisome proliferator-activated receptor-α (PPAR-α) agonist, on RANTES in type 2 diabetes mellitus (T2DM) patients with hypertriglyceridemia. Material/Methods This study evaluated cross-sectional and interventional studies of 25 T2DM patients with hypertriglyceridemia (group A) and 32 controls (group B). Group A was treated with fenofibrate (200 mg/day) for 8 weeks. Serum RANTES and clinical characteristics were examined. Results Serum RANTES was significantly higher in group A compared with group B (59.04±16.74 vs. 38.57±12.98 ng/ml, P<0.001) and correlated with triglycerides (TG) (r=0.535, P<0.001), fasting blood glucose (FBG) (r=0.485, P<0.001), glycosylated hemoglobin (HbA1c) (r=0.485, P<0.001), homocysteine (Hcy) (r=0.520, P<0.001), and high-sensitivity C-reactive protein (hsCRP) (r=0.701, P<0.001). In multiple regression analysis after controlling for confounders, increased hsCRP levels (β=7.430, P<0.001) and T2DM with hypertriglyceridemia (β=11.496, P=0.002) were independently related to high serum RANTES levels. After 8 weeks of fenofibrate treatment, serum RANTES significantly decreased in group A compared with baseline (52.75±17.41 vs. 59.04±16.74 ng/ml, P=0.018). Conclusions Fenofibrate decreased serum RANTES levels in T2DM patients with hypertriglyceridemia, indicating that PPAR-α agonists may play an important role in inhibiting inflammatory responses.
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Affiliation(s)
- Xiaomeng Feng
- Department of Endocrinology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China (mainland)
| | - Xia Gao
- Department of Endocrinology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China (mainland)
| | - Yumei Jia
- Department of Endocrinology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China (mainland)
| | - Heng Zhang
- Department of Endocrinology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China (mainland)
| | - Yuan Xu
- Department of Endocrinology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China (mainland)
| | - Guang Wang
- Department of Endocrinology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China (mainland)
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Pende A, Artom N, Bertolotto M, Montecucco F, Dallegri F. Role of neutrophils in atherogenesis: an update. Eur J Clin Invest 2016; 46:252-63. [PMID: 26573245 DOI: 10.1111/eci.12566] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Accepted: 11/07/2015] [Indexed: 12/22/2022]
Abstract
BACKGROUND The role of neutrophils in the beginning and the progression of the atherosclerotic process did not receive much attention until the last years. On the contrary, recent data, in both the experimental animals and humans, suggest important effects of these cells with possible clinical consequences. MATERIALS AND METHODS This narrative review was based on the papers found on PubMed and MEDLINE up to July 2015. The search terms used were 'neutrophil, atherosclerosis' in combination with 'recruitment, chemokine, plaque destabilization and pathophysiology'. RESULTS Different models demonstrate the presence and the actions of neutrophils in the early steps of the atherogenesis confirming the fundamental role of these cells in the response of the innate immune system to different pathogens (in this context the modified lipoproteins). However, also the late phases of the atherosclerotic process, in particular the destabilization of a mature plaque, seem to be modulated by the neutrophils, possibly through the interaction with recently discovered biological systems such as the endocannabinoids. CONCLUSIONS The understanding of the mechanisms involved in the modulation exerted by neutrophils in atherosclerosis is pivotal in terms of the complete definition of the overall picture. This approach will certainly give us new targets and new pharmacological opportunities for the anti-inflammatory strategy of the cardiovascular prevention.
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Affiliation(s)
- Aldo Pende
- Clinic of Internal Medicine 1, Department of Internal Medicine, University of Genoa School of Medicine, IRCCS Azienda Ospedaliera Universitaria San Martino - IST, Genoa, Italy
| | - Nathan Artom
- Clinic of Internal Medicine 1, Department of Internal Medicine, University of Genoa School of Medicine, IRCCS Azienda Ospedaliera Universitaria San Martino - IST, Genoa, Italy
| | - Maria Bertolotto
- Clinic of Internal Medicine 1, Department of Internal Medicine, University of Genoa School of Medicine, IRCCS Azienda Ospedaliera Universitaria San Martino - IST, Genoa, Italy
| | - Fabrizio Montecucco
- Clinic of Internal Medicine 1, Department of Internal Medicine, University of Genoa School of Medicine, IRCCS Azienda Ospedaliera Universitaria San Martino - IST, Genoa, Italy.,Division of Laboratory Medicine, Department of Genetics and Laboratory Medicine, Geneva University Hospitals, Geneva, Switzerland.,Division of Cardiology, Faculty of Medicine, Foundation for Medical Researches, University of Geneva, Geneva, Switzerland
| | - Franco Dallegri
- Clinic of Internal Medicine 1, Department of Internal Medicine, University of Genoa School of Medicine, IRCCS Azienda Ospedaliera Universitaria San Martino - IST, Genoa, Italy
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Lwanira CN, Mukasa MK, Swedberg G, Kironde F. Frequency of RANTES gene polymorphisms and their association with incidence of malaria: a longitudinal study on children in Iganga district, Uganda. Malar J 2015; 14:341. [PMID: 26341782 PMCID: PMC4560921 DOI: 10.1186/s12936-015-0875-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Accepted: 08/27/2015] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND The severity and outcome of malaria is influenced by host immunity in which chemokines such as Regulated upon Activation, Normal T cell Expressed and Secreted (RANTES) play an important role. Previous studies show that variations in the RANTES gene affect RANTES protein production, hence altering host immunity. In this study, the relationship between presence of mutations in RANTES and incidence of malaria in a cohort of children living in a malaria-endemic area of Uganda was determined. METHODS This was a longitudinal study comprising of 423 children aged between 6 months and 9 years, who were actively followed up for 1 year. Malaria episodes occurring in the cohort children were detected and the affected children treated with national policy drug regimen. Mutations in the RANTES gene were determined by PCR-RFLP method and their frequencies were calculated. A multivariate negative binomial regression model was used to estimate the impact of RANTES mutations on malaria incidence. In all statistical tests, a P-value of <0.05 was considered as significant. RESULTS The frequencies of the -403A and In1.1C allele were 53.7 and 19.2 %, respectively. No mutations were found at the -28 locus. After adjustment of incidence rates for age, blood group, insecticide-treated bed net (ITN) use, malaria history and the sickle cell trait, 1n1.1T/C heterozygotes and homozygotes showed a non-significant trend towards higher incidence rates compared to wild-type individuals (IRR = 1.10; P = 0.55 and IRR = 1.25; P = 0.60, respectively). Similarly, there was no significant difference in malaria incidence rates between RANTES -403G/A heterozygotes or homozygotes and those without mutations (IRR = 1.09; P = 0.66 and IRR = 1.16; P = 0.50, respectively). No relation was seen between RANTES polymorphisms, baseline parasite densities and the time to first re-infection after administration of anti-malaria drugs. CONCLUSIONS This study showed that the -403A mutation occurs in nearly half of the study population and the In1.1C allele occurs in one in every four children. Despite the high frequency of these mutations, there was no clear association with malaria incidence. Other studies evaluating more markers, that could potentially modulate RANTES gene transcription alongside other genetic modifiers of malaria susceptibility, may provide further explanations to these less dramatic findings.
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Affiliation(s)
- Catherine N Lwanira
- School of Biomedical Sciences, College of Health Sciences, Makerere University, PO Box 7072, Kampala, Uganda.
| | - Mark Kaddu Mukasa
- School of Medicine, College of Health Sciences, Makerere University, Kampala, Uganda.
| | - Göte Swedberg
- Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden.
| | - Fred Kironde
- School of Biomedical Sciences, College of Health Sciences, Makerere University, PO Box 7072, Kampala, Uganda.
- Faculty of Health Sciences, Habib Medical School, Islamic University in Uganda (IUIU), Kampala Campus, Kampala, Uganda.
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Lv YB, Jing J, Li JM, Zhong JP, Fang L, Yang B. Assessment of RANTES levels as the indicators of plaque vulnerability in rabbit models of atherosclerosis. Pathol Res Pract 2014; 210:1031-7. [DOI: 10.1016/j.prp.2014.03.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2013] [Revised: 11/03/2013] [Accepted: 03/24/2014] [Indexed: 10/25/2022]
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Wekesa AL, Cross KS, O'Donovan O, Dowdall JF, O'Brien O, Doyle M, Byrne L, Phelan JP, Ross MD, Landers R, Harrison M. Predicting carotid artery disease and plaque instability from cell-derived microparticles. Eur J Vasc Endovasc Surg 2014; 48:489-95. [PMID: 25218652 DOI: 10.1016/j.ejvs.2014.08.007] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2014] [Accepted: 08/01/2014] [Indexed: 11/18/2022]
Abstract
OBJECTIVES Cell-derived microparticles (MPs) are small plasma membrane-derived vesicles shed from circulating blood cells and may act as novel biomarkers of vascular disease. We investigated the potential of circulating MPs to predict (a) carotid plaque instability and (b) the presence of advanced carotid disease. METHODS This pilot study recruited carotid disease patients (aged 69.3 ± 1.2 years [mean ± SD], 69% male, 90% symptomatic) undergoing endarterectomy (n = 42) and age- and sex-matched controls (n = 73). Plaques were classified as stable (n = 25) or unstable (n = 16) post surgery using immunohistochemistry. Blood samples were analysed for MP subsets and molecular biomarkers. Odds ratios (OR) are expressed per standard deviation biomarker increase. RESULTS Endothelial MP (EMP) subsets, but not any vascular, inflammatory, or proteolytic molecular biomarker, were higher (p < .05) in the unstable than the stable plaque patients. The area under the receiver operator characteristic curve for CD31(+)41(-) EMP in discriminating an unstable plaque was 0.73 (0.56-0.90, p < .05). CD31(+)41(-) EMP predicted plaque instability (OR = 2.19, 1.08-4.46, p < .05) and remained significant in a multivariable model that included transient ischaemic attack symptom status. Annexin V(+) MP, platelet MP (PMP) subsets, and C-reactive protein were higher (p < .05) in cases than controls. Annexin V(+) MP (OR = 3.15, 1.49-6.68), soluble vascular cell adhesion molecule-1 (OR = 1.64, 1.03-2.59), and previous smoking history (OR = 3.82, 1.38-10.60) independently (p < .05) predicted the presence of carotid disease in a multivariable model. CONCLUSIONS EMP may have utility in predicting plaque instability in carotid patients and annexin V(+) MPs may predict the presence of advanced carotid disease in aging populations, independent of established biomarkers.
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Affiliation(s)
- A L Wekesa
- Biomedical Research Group, Schools of Health Science and Science, Waterford Institute of Technology, Waterford, Ireland
| | - K S Cross
- Departments of Vascular Surgery and Histopathology, Waterford Regional Hospital, Waterford, Ireland; Royal College of Surgeons in Ireland, Dublin, Ireland
| | - O O'Donovan
- Biomedical Research Group, Schools of Health Science and Science, Waterford Institute of Technology, Waterford, Ireland
| | - J F Dowdall
- Departments of Vascular Surgery and Histopathology, Waterford Regional Hospital, Waterford, Ireland
| | - O O'Brien
- Departments of Vascular Surgery and Histopathology, Waterford Regional Hospital, Waterford, Ireland
| | - M Doyle
- Departments of Vascular Surgery and Histopathology, Waterford Regional Hospital, Waterford, Ireland
| | - L Byrne
- Departments of Vascular Surgery and Histopathology, Waterford Regional Hospital, Waterford, Ireland
| | - J P Phelan
- Biomedical Research Group, Schools of Health Science and Science, Waterford Institute of Technology, Waterford, Ireland
| | - M D Ross
- Biomedical Research Group, Schools of Health Science and Science, Waterford Institute of Technology, Waterford, Ireland
| | - R Landers
- Departments of Vascular Surgery and Histopathology, Waterford Regional Hospital, Waterford, Ireland
| | - M Harrison
- Biomedical Research Group, Schools of Health Science and Science, Waterford Institute of Technology, Waterford, Ireland.
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Lipkova J, Parenica J, Duris K, Helanova K, Tomandl J, Kubkova L, Vasku A, Goldbergova Pavkova M. Association of circulating levels of RANTES and −403G/A promoter polymorphism to acute heart failure after STEMI and to cardiogenic shock. Clin Exp Med 2014; 15:405-14. [DOI: 10.1007/s10238-014-0294-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2014] [Accepted: 05/07/2014] [Indexed: 10/25/2022]
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Woollard KJ, Lumsden NG, Andrews KL, Aprico A, Harris E, Irvine JC, Jefferis AM, Fang L, Kanellakis P, Bobik A, Chin-Dusting JPF. Raised soluble P-selectin moderately accelerates atherosclerotic plaque progression. PLoS One 2014; 9:e97422. [PMID: 24846287 PMCID: PMC4028245 DOI: 10.1371/journal.pone.0097422] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2014] [Accepted: 04/17/2014] [Indexed: 01/13/2023] Open
Abstract
Soluble P-selectin (sP-selectin), a biomarker of inflammatory related pathologies including cardiovascular and peripheral vascular diseases, also has pro-atherosclerotic effects including the ability to increase leukocyte recruitment and modulate thrombotic responses in vivo. The current study explores its role in progressing atherosclerotic plaque disease. Apoe−/− mice placed on a high fat diet (HFD) were given daily injections of recombinant dimeric murine P-selectin (22.5 µg/kg/day) for 8 or 16 weeks. Saline or sE-selectin injections were used as negative controls. In order to assess the role of sP-selectin on atherothrombosis an experimental plaque remodelling murine model, with sm22α-hDTR Apoe−/− mice on a HFD in conjunction with delivery of diphtheria toxin to induce targeted vascular smooth muscle apoptosis, was used. These mice were similarly given daily injections of sP-selectin for 8 or 16 weeks. While plaque mass and aortic lipid content did not change with sP-selectin treatment in Apoe−/− or SM22α-hDTR Apoe−/− mice on HFD, increased plasma MCP-1 and a higher plaque CD45 content in Apoe−/− HFD mice was observed. As well, a significant shift towards a more unstable plaque phenotype in the SM22α-hDTR Apoe−/− HFD mice, with increased macrophage accumulation and lower collagen content, leading to a lower plaque stability index, was observed. These results demonstrate that chronically raised sP-selectin favours progression of an unstable atherosclerotic plaque phenotype.
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Affiliation(s)
- Kevin J. Woollard
- Baker IDI Heart and Diabetes Institute, Melbourne, Victoria, Australia
| | | | - Karen L. Andrews
- Baker IDI Heart and Diabetes Institute, Melbourne, Victoria, Australia
| | - Andrea Aprico
- Baker IDI Heart and Diabetes Institute, Melbourne, Victoria, Australia
| | - Emma Harris
- Baker IDI Heart and Diabetes Institute, Melbourne, Victoria, Australia
| | | | | | - Lu Fang
- Baker IDI Heart and Diabetes Institute, Melbourne, Victoria, Australia
| | - Peter Kanellakis
- Baker IDI Heart and Diabetes Institute, Melbourne, Victoria, Australia
| | - Alex Bobik
- Baker IDI Heart and Diabetes Institute, Melbourne, Victoria, Australia
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Wooten JS, Nambi P, Gillard BK, Pownall HJ, Coraza I, Scott LW, Nambi V, Ballantyne CM, Balasubramanyam A. Intensive lifestyle modification reduces Lp-PLA2 in dyslipidemic HIV/HAART patients. Med Sci Sports Exerc 2014; 45:1043-50. [PMID: 23299761 DOI: 10.1249/mss.0b013e3182843961] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
PURPOSE Patients with dyslipidemia associated with HIV-1 infection and highly active antiretroviral therapy (HAART) have elevated levels of Lp-PLA2 and CCL5/regulated on activation, normal T-cell expressed and secreted (RANTES), which may increase the risk of cardiovascular disease. PURPOSE This study aimed to determine whether an intensive diet and exercise (D/E) program, independently or combined with fenofibrate or niacin, could reduce Lp-PLA2 or RANTES. METHODS Patients with hypertriglyceridemic HIV on stable HAART (n = 107) were randomized to one of five interventions: 1) usual care, 2) D/E with placebos, 3) D/E with fenofibrate and placebo, 4) D/E with niacin and placebo, or 5) D/E with fenofibrate and niacin for 24 wk. Lp-PLA2 and RANTES concentrations were measured in fasting plasma samples at baseline and postintervention. General linear models were used to compare Lp-PLA2 and RANTES levels between the five groups postintervention, controlling for baseline levels, age, body mass index, CD4 T-cell count, viral load, duration of infection, and HAART. RESULTS At baseline, fasting plasma Lp-PLA2 (388.5 ± 127.5 ng·mL) and RANTES (43.8 ± 25.5 ng·mL) levels were elevated when compared with healthy controls. Posttreatment Lp-PLA2 mass was lower in patients who received D/E only (323.0 ± 27.2 ng·mL), D/E plus fenofibrate (327.2 ± 25.9 ng·mL), and D/E plus niacin (311.1 ± 27.8 ng·mL) when compared with patients receiving usual care (402.2 ± 25.3 ng·mL). RANTES concentrations were not significantly affected by any intervention. CONCLUSIONS Elevated plasma Lp-PLA2 mass can be reduced by an intensive D/E program in patients with HIV/HAART-associated dyslipidemia. RANTES is elevated but is not reduced by lifestyle modification, fenofibrate, or niacin.
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Affiliation(s)
- Joshua S Wooten
- Division of Atherosclerosis and Vascular Biology, Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA
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Subash Shantha GP, Wasserman B, Astor BC, Coresh J, Brancati F, Sharrett AR, Young JH. Association of blood lactate with carotid atherosclerosis: the Atherosclerosis Risk in Communities (ARIC) Carotid MRI Study. Atherosclerosis 2013; 228:249-55. [PMID: 23510829 PMCID: PMC3657708 DOI: 10.1016/j.atherosclerosis.2013.02.014] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2012] [Revised: 01/22/2013] [Accepted: 02/10/2013] [Indexed: 10/27/2022]
Abstract
OBJECTIVES Cardiovascular risk factors such as aging, smoking, and insulin resistance may lead to atherosclerosis through various mechanisms of which their association with mitochondrial dysfunction may be one of them. In order to examine this hypothesis, we assessed the association between elevated blood lactate, a marker of mitochondrial dysfunction, and carotid atherosclerosis. METHODS From a total of 2066 participants from the Atherosclerosis Risk In Communities Carotid MRI study, 1496 were included for this analysis. Wall Thickness and Lipid core presence were measured using gadolinium-enhanced MRI. Blood lactate was categorized into quartiles (Q1: <5.9 mg/dl, Q2: 5.9-7.2 mg/dl, Q3: 7.3-9.2 mg/dl, and Q4: >9.2 mg/dl). RESULTS Of the 1496 study participants, 763 (51%) were females, 296 (19.8%) African American, 539 (36%) obese and 308 (20.6%) had diabetes. There was a strong and graded association between lactate and wall thickness [Q1: 1.08 mm (95% CI: 1.01 mm-1.15 mm), Q2: 1.33 mm (95% CI: 1.19 mm-1.47 mm), Q3: 1.44 (95% CI: 1.34 mm-1.54 mm) and Q4: 1.62 (95% CI: 1.53 mm-1.71 mm); p for trend <0.001] after adjusting for age, gender, ethnicity, stature, body mass index (BMI), waist circumference, LDL, High sensitivity C reactive protein (HsCRP), statin use, thiazolidinedione use, hypertension, and diabetes. This association was attenuated, but still significant, after adjusting for a marker of insulin resistance, the triglyceride/HDL ratio, [Q1: 0.96 mm (95% CI: 0.82 mm-1.10 mm), Q2: 1.17 mm (95% CI: 1.08 mm-1.26 mm), Q3: 1.18 mm (95% CI: 1.07 mm-1.29 mm), Q4: 1.22 mm (95% CI: 1.13 mm-1.31 mm), p for linear trend 0.039]. There was no association of lactate with lipid core presence after adjustment for wall thickness. CONCLUSIONS Blood lactate is associated with carotid atherosclerosis. Attenuation of the association with adjustment for triglyceride/HDL ratio, a marker of insulin resistance, suggests that lactate's association with carotid atherosclerosis may be related to insulin resistance.
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Affiliation(s)
| | - Bruce Wasserman
- The Russell H. Morgan Department of Radiology and Radiological Sciences, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Brad C. Astor
- Department of Epidemiology, The Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
- Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Josef Coresh
- Department of Epidemiology, The Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
- Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Fredrick Brancati
- Department of Epidemiology, The Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
- Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - A. Richey Sharrett
- Department of Epidemiology, The Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - J. Hunter Young
- Department of Epidemiology, The Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
- Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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Cipriani S, Francisci D, Mencarelli A, Renga B, Schiaroli E, D'Amore C, Baldelli F, Fiorucci S. Efficacy of the CCR5 antagonist maraviroc in reducing early, ritonavir-induced atherogenesis and advanced plaque progression in mice. Circulation 2013; 127:2114-24. [PMID: 23633271 DOI: 10.1161/circulationaha.113.001278] [Citation(s) in RCA: 106] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND CCR5 plays an important role in atherosclerosis and ischemic cardiovascular diseases, as well as in HIV replication and diffusion. HIV infection is characterized by a high burden of cardiovascular diseases, particularly in subjects exposed to ritonavir-boosted protease inhibitors. Maraviroc, a CCR5 antagonist antiretroviral drug, might provide benefit for patients with M-tropic HIV infections at high risk for cardiovascular diseases. METHODS AND RESULTS Exposure to maraviroc limits the evolution and associated systemic inflammation of ritonavir-induced atherosclerotic in ApoE(-/-) mice and inhibits plaques development in a late model of atherosclerosis in which dyslipidemia plays the main pathogenic role. In ritonavir-treated mice, maraviroc reduced plaque areas and macrophage infiltration; downregulated the local expression of vascular cell adhesion molecule-1, intercellular adhesion molecule-1, monocyte chemoattractant protein-1, and interleukin-17A; and reduced tumor necrosis factor-α and RANTES (regulated on activation, normal T cell expressed, and secreted). Moreover, maraviroc counterregulated ritonavir-induced lipoatrophy and interlelukin-6 gene expression in epididymal fat, along with the splenic proinflammatory profile and expression of CD36 on blood monocytes. In the late model, maraviroc inhibited atherosclerotic progression by reducing macrophage infiltration and lowering the expression of adhesion molecules and RANTES inside the plaques. However, limited systemic inflammation was observed. CONCLUSIONS In a mouse model of genetic dyslipidemia, maraviroc reduced the atherosclerotic progression by interfering with inflammatory cell recruitment into plaques. Moreover, in mice characterized by a general ritonavir-induced inflammation, maraviroc reversed the proinflammatory profile. Therefore, maraviroc could benefit HIV-positive patients with residual chronic inflammation who are at a high risk of acute coronary disease despite a suppressive antiretroviral therapy. To determine these benefits, large clinical studies are needed.
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Affiliation(s)
- Sabrina Cipriani
- Dipartimento di Scienze Biochimiche, University of Perugia, Perugia, Italy
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Fernández-Friera L, García-Álvarez A, Ibáñez B. Imagining the future of diagnostic imaging. ACTA ACUST UNITED AC 2012; 66:134-43. [PMID: 24775390 DOI: 10.1016/j.rec.2012.11.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2012] [Accepted: 10/01/2012] [Indexed: 01/21/2023]
Abstract
Cardiovascular imaging has become essential to achieving a better understanding of cardiovascular diseases. Due to the advent of new technology and the refinement of existing technologies, imaging's role has extended into the biological, functional, and hemodynamic diagnosis of multiple pathophysiologic processes. Current and future trends in cardiovascular imaging will focus on improving early diagnosis of vascular disease, so as to be able to promote cardiovascular health, and on its development as a useful tool in clinical decision-making. Imaging is also increasingly used to quantify the effect of novel therapies. The rapid development of molecular imaging and fusion imaging techniques improves our understanding of cardiovascular processes from the molecular and cellular points of view and makes it possible to design and test new preventive interventions. The proliferation and integration of imaging techniques in different clinical areas and their role in "translational imaging" plays an important part in the implementation of personalized therapeutic and preventive management strategies for patients with cardiovascular disease.
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Affiliation(s)
- Leticia Fernández-Friera
- Centro Nacional de Investigaciones Cardiovasculares (CNIC) - Imaging in Experimental Cardiology Laboratory (IExC Lab), Madrid, Spain; Servicio de Cardiología, Hospital Universitario Montepríncipe, Madrid, Spain
| | - Ana García-Álvarez
- Centro Nacional de Investigaciones Cardiovasculares (CNIC) - Imaging in Experimental Cardiology Laboratory (IExC Lab), Madrid, Spain; Servicio de Cardiología, Hospital Clínic, Barcelona, Spain
| | - Borja Ibáñez
- Centro Nacional de Investigaciones Cardiovasculares (CNIC) - Imaging in Experimental Cardiology Laboratory (IExC Lab), Madrid, Spain; Instituto Cardiovascular, Hospital Clínico San Carlos, Madrid, Spain.
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Murray KN, Buggey HF, Denes A, Allan SM. Systemic immune activation shapes stroke outcome. Mol Cell Neurosci 2012; 53:14-25. [PMID: 23026562 DOI: 10.1016/j.mcn.2012.09.004] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2012] [Revised: 09/11/2012] [Accepted: 09/21/2012] [Indexed: 02/07/2023] Open
Abstract
Stroke is a major cause of morbidity and mortality, and activation of the immune system can impact on stroke outcome. Although the majority of research has focused on the role of the immune system after stroke there is increasing evidence to suggest that inflammation and immune activation prior to brain injury can influence stroke risk and outcome. With the high prevalence of co-morbidities in the Western world such as obesity, hypertension and diabetes, pre-existing chronic 'low-grade' systemic inflammation has become a customary characteristic of stroke pathophysiology that needs to be considered in the search for new therapies. The importance of the immune system in stroke has been demonstrated in a number of ways, both experimentally and in the clinical setting. This review will focus on the effect of immune activation arising from systemic inflammatory conditions and infection, how it affects the incidence and outcomes of stroke, and the possible underlying mechanisms involved. This article is part of a Special Issue entitled 'Neuroinflammation in neurodegeneration and neurodysfunction'.
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Affiliation(s)
- Katie N Murray
- Faculty of Life Sciences, A.V. Hill Building, University of Manchester, Oxford Road, Manchester, M13 9PT, UK
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Negi SI, Pankow JS, Fernstrom K, Hoogeveen RC, Zhu N, Couper D, Schmidt MI, Duncan BB, Ballantyne CM. Racial differences in association of elevated interleukin-18 levels with type 2 diabetes: the Atherosclerosis Risk in Communities study. Diabetes Care 2012; 35:1513-8. [PMID: 22596175 PMCID: PMC3379601 DOI: 10.2337/dc11-1957] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
OBJECTIVE Elevated plasma interleukin-18 (IL-18) has been linked to onset of diabetes mellitus (DM) and its complications. However, so far this association has been shown only in predominantly white populations. We examined IL-18 levels and their association with incident DM in a racially heterogeneous population. RESEARCH DESIGN AND METHODS In a nested case-cohort design representing a 9-year follow-up of 9,740 middle-aged, initially healthy, nondiabetic white and African American participants of the Atherosclerosis Risk in Communities Study, we selected and measured analytes on race-stratified (50% white, 50% African American) random samples of both cases of incident diabetes (n = 548) and eligible members of the full cohort (n = 536). RESULTS Baseline IL-18 levels were significantly higher in white participants compared with African American participants (P < 0.001). Although white participants in the fourth (versus first) quartile of IL-18 levels had a significant hazard ratio (HR) for developing DM (HR: 2.1, 95% CI: 1.3-3.4), after adjustment for age, sex, and study center, no difference was seen among African Americans (HR: 1.0, 95% CI: 0.6-1.7). Unlike those in African Americans, IL-18 levels in whites had a significant correlation with age (P < 0.01); anthropometric characteristics such as waist circumference (P < 0.001), height (P = 0.04), waist-to-hip ratio (P < 0.001), and BMI (P < 0.01); and total (P < 0.001) and high-molecular-weight (P < 0.001) adiponectin. CONCLUSIONS There are racial differences in levels of IL-18 and the association of IL-18 with risk factors and incident type 2 DM. In addition, there seems to be a complex interplay of inflammation and adiposity in the development of DM.
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Affiliation(s)
- Smita I Negi
- Section of Cardiovascular Research, Baylor College of Medicine, and Center for Cardiovascular Disease Prevention, Methodist DeBakey Heart Center, Houston, TX, USA
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Fuentes Q. E, Fuentes Q. F, Andrés V, Pello OM, de Mora JF, Palomo G. I. Role of platelets as mediators that link inflammation and thrombosis in atherosclerosis. Platelets 2012; 24:255-62. [DOI: 10.3109/09537104.2012.690113] [Citation(s) in RCA: 77] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Herder C, Peeters W, Illig T, Baumert J, de Kleijn DPV, Moll FL, Poschen U, Klopp N, Müller-Nurasyid M, Roden M, Preuss M, Karakas M, Meisinger C, Thorand B, Pasterkamp G, Koenig W, Assimes TL, Deloukas P, Erdmann J, Holm H, Kathiresan S, König IR, McPherson R, Reilly MP, Roberts R, Samani NJ, Schunkert H, Stewart AFR. RANTES/CCL5 and risk for coronary events: results from the MONICA/KORA Augsburg case-cohort, Athero-Express and CARDIoGRAM studies. PLoS One 2011; 6:e25734. [PMID: 22162987 PMCID: PMC3232218 DOI: 10.1371/journal.pone.0025734] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2011] [Accepted: 09/09/2011] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND The chemokine RANTES (regulated on activation, normal T-cell expressed and secreted)/CCL5 is involved in the pathogenesis of cardiovascular disease in mice, whereas less is known in humans. We hypothesised that its relevance for atherosclerosis should be reflected by associations between CCL5 gene variants, RANTES serum concentrations and protein levels in atherosclerotic plaques and risk for coronary events. METHODS AND FINDINGS We conducted a case-cohort study within the population-based MONICA/KORA Augsburg studies. Baseline RANTES serum levels were measured in 363 individuals with incident coronary events and 1,908 non-cases (mean follow-up: 10.2±4.8 years). Cox proportional hazard models adjusting for age, sex, body mass index, metabolic factors and lifestyle factors revealed no significant association between RANTES and incident coronary events (HR [95% CI] for increasing RANTES tertiles 1.0, 1.03 [0.75-1.42] and 1.11 [0.81-1.54]). None of six CCL5 single nucleotide polymorphisms and no common haplotype showed significant associations with coronary events. Also in the CARDIoGRAM study (>22,000 cases, >60,000 controls), none of these CCL5 SNPs was significantly associated with coronary artery disease. In the prospective Athero-Express biobank study, RANTES plaque levels were measured in 606 atherosclerotic lesions from patients who underwent carotid endarterectomy. RANTES content in atherosclerotic plaques was positively associated with macrophage infiltration and inversely associated with plaque calcification. However, there was no significant association between RANTES content in plaques and risk for coronary events (mean follow-up 2.8±0.8 years). CONCLUSIONS High RANTES plaque levels were associated with an unstable plaque phenotype. However, the absence of associations between (i) RANTES serum levels, (ii) CCL5 genotypes and (iii) RANTES content in carotid plaques and either coronary artery disease or incident coronary events in our cohorts suggests that RANTES may not be a novel coronary risk biomarker. However, the potential relevance of RANTES levels in platelet-poor plasma needs to be investigated in further studies.
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Affiliation(s)
- Christian Herder
- Institute for Clinical Diabetology, Leibniz Center for Diabetes Research at Heinrich Heine University Düsseldorf, Düsseldorf, Germany
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Pereira J, Sáez CG, Pallavicini J, Panes O, Pereira-Flores K, Cabreras MJ, Massardo T, Mezzano D. Platelet activation in chronic cocaine users: effect of short term abstinence. Platelets 2011; 22:596-601. [PMID: 21806491 DOI: 10.3109/09537104.2011.578181] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Cocaine abuse increases the risk of cardiac and cerebrovascular events, such as myocardial infarction and ischemic stroke. The underlying mechanisms leading to these complications are not fully understood although intravascular thrombus formation has been observed. The aim of this study was to investigate the existence of platelet activation and the effect of short-term abstinence in chronic cocaine consumers. We studied 23 cocaine dependent individuals (aged 20-54 years) who met DSM-IV criteria for cocaine dependence and 20 controls. Samples were obtained at baseline, within 72 h of last drug exposure and after 4 weeks of controlled abstinence. Monocyte-platelet aggregates (MPA) were measured by flow cytometry. Plasma levels of soluble CD40L (sCD40L), Neutrophil-Activating Peptide-2 (NAP-2) and regulated on activation normal T cells expressed and secreted (RANTES) were determined by ELISA. Levels of MPA, sCD40L, NAP-2 and RANTES were significantly higher (all p < 0.05) in cocaine addicts compared to controls at baseline. All the parameters returned to values similar to the control group after 4-weeks' abstinence. Levels of sCD40L and RANTES were associated with an index of intensity of drug consumption (p < 0.02). Our results demonstrate that cocaine use induces platelet activation which is a prominent finding after recent consumption. The persistence over time of this condition may contribute not only to acute thrombotic complications but also to the development of early-onset atherosclerotic process observed in cocaine abusers.
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Affiliation(s)
- Jaime Pereira
- Department of Hematology-Oncology, School of Medicine, Pontificia Universidad Católica de Chile.
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Winnik S, Klingenberg R, Matter CM. Plasma RANTES: a molecular fingerprint of the unstable carotid plaque? Eur Heart J 2010; 32:393-5. [PMID: 20961906 DOI: 10.1093/eurheartj/ehq376] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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