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Dirjayanto VJ, Martin-Ruiz C, Pompei G, Rubino F, Kunadian V. The association of inflammatory biomarkers and long-term clinical outcomes in older adults with non-ST elevation acute coronary syndrome. Int J Cardiol 2024; 409:132177. [PMID: 38761976 DOI: 10.1016/j.ijcard.2024.132177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 04/28/2024] [Accepted: 05/13/2024] [Indexed: 05/20/2024]
Abstract
BACKGROUND The prognostic significance of inflammatory markers on the long-term risk of major adverse cardiovascular and cerebrovascular events (MACCE) in older NSTEACS patients remains unclear. METHODS NSTEACS patients aged 75 and older were recruited to the multicentre cohort study Improve Cardiovascular Outcomes in High-Risk PatieNts with Acute Coronary Syndrome (ICON1). Inflammatory markers including interleukin-6 (IL-6), myeloperoxidase (MPO), high-sensitivity C-reactive protein (hsCRP), fibrinogen and tumor necrosis factor-alpha (TNF-α) were collected at baseline. Primary outcome was MACCE consisting of all-cause mortality, reinfarction, stroke/transient ischaemic attack, urgent revascularization, and significant bleeding at 5-year follow-up. RESULTS There were 230 patients with baseline IL-6 (median age 80.9 [interquartile range (IQR):78.2-83.9] years). High IL-6 was not associated with MACCE, but it was independently associated with all-cause mortality (adjusted hazard ratio [aHR]: 2.26 [95% Confidence Interval (CI):1.34-3.82]; P = 0.002). For patients with hsCRP (n = 260, median age 80.9 [IQR:77.9-84.1] years), higher levels were significantly associated with increased risk of MACCE (aHR:1.77 [95% CI:1.26-2.49], P = 0.001). In the cohort with MPO (230 patients, median age 80.9 [IQR:78.2-83.9] years), lower MPO was independently associated with the risk of MACCE (aHR: 0.67 [95%CI:0.46-0.96]; P = 0.029). There was no prognostic significance with fibrinogen and TNF-α. CONCLUSION Among older NSTEACS patients, elevated IL-6 and hsCRP were associated with increased risk of all-cause mortality and MACCE, respectively. Low MPO levels were associated with higher MACCE. Further studies are required to determine how these biomarkers should influence treatment strategy in this understudied subset. CLINICAL TRIAL REGISTRATION NCT01933581.
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Affiliation(s)
- Valerie Josephine Dirjayanto
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, United Kingdom; Faculty of Medicine, Universitas Indonesia, Indonesia
| | - Carmen Martin-Ruiz
- BioScreening Core Facility, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Graziella Pompei
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, United Kingdom; Cardiovascular Institute, Azienda Ospedaliero-Universitaria di Ferrara, Cona, FE, Italy
| | - Francesca Rubino
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, United Kingdom; Division of Cardiology, Department of Medicine, University of Verona, Verona, Italy
| | - Vijay Kunadian
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, United Kingdom; Cardiothoracic Centre, Freeman Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom.
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Khudiakova AD, Polonskaya YV, Shramko VS, Shcherbakova LV, Garbuzova EV, Kashtanova EV, Ragino YI. Associations of Adipocytokines with The Development of Cardiovascular Events in Young People. J Pers Med 2023; 13:1582. [PMID: 38003897 PMCID: PMC10672268 DOI: 10.3390/jpm13111582] [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: 10/04/2023] [Revised: 10/30/2023] [Accepted: 11/03/2023] [Indexed: 11/26/2023] Open
Abstract
The research was aimed to study the associations of adipocytokines with the risk of cardiovascular events and to determine the threshold values of adipocytes for the prognosis of cardiovascular events in a young population. MATERIALS AND METHODS The study is an epidemiological cohort study. The analysis included 1240 people aged 25-44 years. The endpoint was combined and included: death from cardiovascular disease, myocardial infarction, probable myocardial infarction, acute cerebrovascular accident, hospitalization for cardiovascular disease, and revascularization. Adipocytokines were determined with a MILLIPLEX panel. RESULTS In the examined population, 1.7% of cases of cardiovascular events were detected during cohort observation, of which 28.6% were fatal events. In men, cardiovascular endpoints were recorded 4.3 times more often than in women (17 (81%) vs. 4 (19%), p = 0.003). In individuals with cardiovascular events, arterial hypertension (2.6 times), diabetes mellitus (8.6 times), and overweight/obesity (1.5 times) were more often recorded compared to individuals without cardiovascular events. For tumor necrosis factor-alpha (TNFa), the threshold value was 2.5 pg/mL, with sensitivity assessment (Se) at 85.7% and specificity (Sp) at 83.3%. For amylin, the threshold value was 10.5 pg/mL, with Se at 73.7% and Sp at 67.0%. For pancreatic polypeptide (PP), the threshold value was 43.7 pg/mL, with Se at 85.7% and Sp at 56.7%. CONCLUSION A method for assessing the risk of cardiovascular events in young people includes determining the levels of amylin, PP, and TNFa in blood serum. The cut-off points for predicting cardiovascular events were levels of amylin above 10.5 pg/mL, PP above 43.7 pg/mL, or a decrease in TNFa below 3.8 pg/mL.
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Affiliation(s)
- Alena D. Khudiakova
- Research Institute of Internal and Preventive Medicine—Branch of the Federal Research Center Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (IIPM—Branch of the IC&G SB RAS), st. B.Bogatkova 175/1, 630089 Novosibirsk, Russia; (Y.V.P.); (V.S.S.); (L.V.S.); (E.V.G.); (E.V.K.); (Y.I.R.)
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Qian Y, Mao M, Nian F. The Effect of TNF- α on CHD and the Relationship between TNF- α Antagonist and CHD in Rheumatoid Arthritis: A Systematic Review. Cardiol Res Pract 2022; 2022:6192053. [PMID: 36060429 PMCID: PMC9433296 DOI: 10.1155/2022/6192053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 07/27/2022] [Accepted: 07/29/2022] [Indexed: 11/17/2022] Open
Abstract
Tumor necrosis factor-alpha (TNF-α) plays an important role in coronary heart disease (CHD), a chronic inflammatory process. Meanwhile, this pro-inflammatory factor is also involved in the pathogenesis of autoimmune diseases such as rheumatoid arthritis (RA). Patients with RA correspond to a higher risk of CHD. TNF-α antagonist, one of the main treatments for RA, may reduce the risk of CHD in patients with RA. This review summarizes the pathogenesis of TNF-α in CHD and discusses the relationship between TNF-α antagonist and CHD in patients with RA.
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Affiliation(s)
- Yezhou Qian
- Department of Cardiology, The First Hospital of Jiaxing, The Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Menghui Mao
- Department of Cardiology, The First Hospital of Jiaxing, The Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Feige Nian
- Department of Rheumatology, The First Hospital of Jiaxing, The Affiliated Hospital of Jiaxing University, Jiaxing, China
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Mitsis A, Kadoglou NPE, Lambadiari V, Alexiou S, Theodoropoulos KC, Avraamides P, Kassimis G. Prognostic role of inflammatory cytokines and novel adipokines in acute myocardial infarction: An updated and comprehensive review. Cytokine 2022; 153:155848. [PMID: 35301174 DOI: 10.1016/j.cyto.2022.155848] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 02/23/2022] [Accepted: 02/28/2022] [Indexed: 12/19/2022]
Abstract
Acute myocardial infarction (AMI) is one of the major causes of morbidity and mortality worldwide. The inflammation response during and after AMI is common and seems to play a key role in the peri-AMI period, related with ischaemia-reperfusion injury, adverse cardiac remodelling, infarct size and poor prognosis. In this article, we provide an updated and comprehensive overview of the most important cytokines and adipokines involved in the complex pathophysiology mechanisms in AMI, summarizing their prognostic role post-AMI. Data so far support that elevated levels of the major proinflammatory cytokines TNFα, IL-6 and IL-1 and the adipokines adiponectin, visfatin and resistin, are linked to high mortality and morbidity. In contrary, there is evidence that anti-inflammatory cytokines and adipokines as IL-10, omentin-1 and ghrelin can suppress the AMI-induced inflammatory response and are correlated with better prognosis. Mixed data make unclear the role of the novel adipokines leptin and apelin. After all, imbalance of pro-inflammatory and anti-inflammatory cytokines may result in worst AMI prognosis. The incorporation of these inflammation biomarkers in established prognostic models could further improve their prognostic power improving overall the management of AMI patients.
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Affiliation(s)
- Andreas Mitsis
- Cardiology Department, Nicosia General Hospital, Cyprus.
| | | | - Vaia Lambadiari
- Second Department of Internal Medicine, Research Institute and Diabetes Centre, Athens University Medical School, Attikon University General Hospital, Athens, Greece
| | - Sophia Alexiou
- Second Cardiology Department, "Hippokration" Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | | | | | - George Kassimis
- Second Cardiology Department, "Hippokration" Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
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Rafaqat S, Rafaqat S, Rafaqat S. Pathophysiological role of major adipokines in Atrial Fibrillation. INTERNATIONAL JOURNAL OF ARRHYTHMIA 2021. [DOI: 10.1186/s42444-021-00048-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
The adipokines, secreted from adipose tissue or body fats, are also called adipocytokines which are cytokines, cell signaling proteins or cell–cell communication. However, AF is a common cardiac arrhythmia in which the heart beats so fast by abnormal beating and is a serious public health disease associated with increased heart failure, systemic thromboembolism, and death. Adipokines are cardiovascular disease (CVD) mediators or biomarkers that affect the heart as well as blood vessels, by increasing the cardiac contractility and action potential duration, which result in the extent of left ventricular and atrial remodeling.
Main body
Google Scholar, PubMed, and science direct were used to review the literature. Many keywords were used for searching the literature such as Adipokines, Leptin, Apelin, Adiponectin, Omentin-1, Chemerin, CTRP3, TNF-α, IL-6, IL-10, and AF. According to the literature, much more data are available for numerous adipokines, but this review article only has taken few major adipokines which played their major role in Atrial Fibrillation. The review article did not limit the time frame.
Conclusion
In conclusion, adipokines play a significant role in the development and progress of atrial fibrillation. Also, there are major adipokines such as adiponectin, apelin, C1q/TNF-Related Protein 3 (CTRP3), Chemerin, Omentin-1, interleukin-6, Leptin, TNF-α, resistin, and interleukin-10, which played their pathophysiological role in atrial fibrillation by causing cardiac hypertrophy, increasing the cardiac contractility and action potential duration, atrial fibrosis, electrical and structural remodeling of atrial tissue.
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Mourouzis K, Oikonomou E, Siasos G, Tsalamadris S, Vogiatzi G, Antonopoulos A, Fountoulakis P, Goliopoulou A, Papaioannou S, Tousoulis D. Pro-inflammatory Cytokines in Acute Coronary Syndromes. Curr Pharm Des 2020; 26:4624-4647. [PMID: 32282296 DOI: 10.2174/1381612826666200413082353] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 04/01/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND Over the last decades, the role of inflammation and immune system activation in the initiation and progression of coronary artery disease (CAD) has been established. OBJECTIVES The study aimed to present the interplay between cytokines and their actions preceding and shortly after ACS. METHODS We searched in a systemic manner the most relevant articles to the topic of inflammation, cytokines, vulnerable plaque and myocardial infarction in MEDLINE, COCHRANE and EMBASE databases. RESULTS Different classes of cytokines (intereleukin [IL]-1 family, Tumor necrosis factor-alpha (TNF-α) family, chemokines, adipokines, interferons) are implicated in the entire process leading to destabilization of the atherosclerotic plaque, and consequently, to the incidence of myocardial infarction. Especially IL-1 and TNF-α family are involved in inflammatory cell accumulation, vulnerable plaque formation, platelet aggregation, cardiomyocyte apoptosis and adverse remodeling following the myocardial infarction. Several cytokines such as IL-6, adiponectin, interferon-γ, appear with significant prognostic value in ACS patients. Thus, research interest focuses on the modulation of inflammation in ACS to improve clinical outcomes. CONCLUSION Understanding the unique characteristics that accompany each cytokine-cytokine receptor interaction could illuminate the signaling pathways involved in plaque destabilization and indicate future treatment strategies to improve cardiovascular prognosis in ACS patients.
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Affiliation(s)
- Konstantinos Mourouzis
- 1st Department of Cardiology, 'Hippokration' Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece
| | - Evangelos Oikonomou
- 1st Department of Cardiology, 'Hippokration' Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece
| | - Gerasimos Siasos
- 1st Department of Cardiology, 'Hippokration' Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece
| | - Sotiris Tsalamadris
- 1st Department of Cardiology, 'Hippokration' Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece
| | - Georgia Vogiatzi
- 1st Department of Cardiology, 'Hippokration' Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece
| | - Alexios Antonopoulos
- 1st Department of Cardiology, 'Hippokration' Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece
| | - Petros Fountoulakis
- 1st Department of Cardiology, 'Hippokration' Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece
| | - Athina Goliopoulou
- 1st Department of Cardiology, 'Hippokration' Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece
| | - Spyridon Papaioannou
- 1st Department of Cardiology, 'Hippokration' Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece
| | - Dimitris Tousoulis
- 1st Department of Cardiology, 'Hippokration' Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece
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Mahmoud AH, Taha NM, Zakhary M, Tadros MS. PTEN gene & TNF-alpha in acute myocardial infarction. IJC HEART & VASCULATURE 2019; 23:100366. [PMID: 31065586 PMCID: PMC6495076 DOI: 10.1016/j.ijcha.2019.100366] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 04/10/2019] [Accepted: 04/18/2019] [Indexed: 01/11/2023]
Abstract
Background PTEN gene triggers cells to undergo apoptosis and promotes myocardial dysfunction. Several TNF family cytokines are elevated during acute myocardial infarction (AMI). Their role in predicting subsequent prognosis in these setting remains poorly understood. We assessed serum levels of PTEN gene activity & TNF-α in acute ST elevation myocardial infarction and determined the impact of their levels on both left ventricular function and the clinical outcome in these patients. Methods and results Seventy patients with AMI and seventy persons as control group were subjected to: ECG, echocardiography, serum TNF-α and PTEN gene assessment. Patients were classified into: Group I (n = 32): All had left ventricular systolic failure. Group II (n = 38): without left ventricular systolic failure. Group I had a statistically significant higher serum levels of both TNF-α & PTEN gene activity as compared to group II. EF% at presentation was weakly correlated with serum levels of both markers in both groups. However at follow up, EF% in group I showed a significant negative correlations with both serum levels of TNF-α and PTEN gene activity (r = 0.77 & r = 0.67, respectively). During one year follow, 5 patients died of cardiovascular causes and 6 patients had recurrent hospitalization with heart failure. These patients had statistically significant increased serum levels of TNF-α & PTEN gene activity levels as compared by other patients. Conclusions Patients with acute myocardial infarction had statistically significant increased serum levels of PTEN & TNF-α gene activity. Both markers predict worsening of left ventricular systolic functions, development of heart failure and death.
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Abstract
Apoptosis plays an important role in the myocardial loss after acute myocardial infarction and participates in the process of subsequent left ventricular remodeling and development of symptomatic heart failure. Finding a sensitive apoptotic marker that would help in prognostic stratification of patients after acute myocardial infarction and offer new therapeutic strategies is thus of a great importance. Several studies suggest that tumor necrosis factor-related apoptosis inducing ligand (TRAIL) represents a very promising marker of prognosis in patients with acute myocardial infarction. This review article provides an overview of current knowledge on the role of apoptosis in ischemic heart disease and highlights potentially beneficial apoptotic markers in clinical practice.
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Affiliation(s)
- Elena Teringova
- Cardiocenter, Department of Cardiology, 3rd Faculty of Medicine, Charles University and University Hospital Kralovske Vinohrady, Srobarova 50, 100 34, Prague 10, Czech Republic
| | - Petr Tousek
- Cardiocenter, Department of Cardiology, 3rd Faculty of Medicine, Charles University and University Hospital Kralovske Vinohrady, Srobarova 50, 100 34, Prague 10, Czech Republic.
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Sandoval-Pinto E, Padilla-Gutiérrez JR, Valdés-Alvarado E, García-González IJ, Valdez-Haro A, Muñoz-Valle JF, Flores-Salinas HE, Brennan-Bourdon LM, Valle Y. Association of the -1031T>C polymorphism and soluble TNF-α levels with Acute Coronary Syndrome. Cytokine 2015; 78:37-43. [PMID: 26618233 DOI: 10.1016/j.cyto.2015.11.014] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2015] [Revised: 10/10/2015] [Accepted: 11/12/2015] [Indexed: 01/04/2023]
Abstract
INTRODUCTION Inflammation has gained a pivotal role in the pathophysiology of Acute Coronary Syndrome (ACS). TNF-α is a pro-inflammatory cytokine that could be a potential biomarker in ACS due to its multiple functions. The rs1799964 TNFA polymorphism (-1031T>C) has been associated with a decrease in gene transcription and cytokine levels. OBJECTIVE To determine the association of rs1799964 TNFA polymorphism and TNF-α soluble levels in ACS. METHODS A total of 251 patients diagnosed with ACS and 164 individuals without cardiovascular diseases classified as the reference group (RG), were included. The rs1799964 polymorphism was genotyped by PCR-RFLP. Soluble protein levels were determined by ELISA. Statistical analyses were performed using chi square and U-Mann Whitney tests. RESULTS The genotype and allele frequencies were different between ACS and RG (OR=0.317, p=0.01; OR=0.688, p=0.03 respectively). ACS patients had higher soluble TNF-α levels compared with the RG (31.08 vs 23.00pg/mL, p<0.001); according genotype significant differences were observed (T/T: 24.06 vs T/C: 34.95pg/mL, p=0.0001) in patients. In the RG, T/T carriers showed discrete lower levels than C/C genotype (22.14 vs 27.83pg/mL, p=0.04). CONCLUSIONS The -1031C allele of the TNFA polymorphism confers protection for the development of ACS. The T/C genotype carriers had higher TNF-α serum levels compared to the T/T genotype in ACS. In addition, the -1031T>C TNFA polymorphism was associated with dyslipidemia in ACS in a Western Mexican population.
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Affiliation(s)
- Elena Sandoval-Pinto
- Instituto de Investigación en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico; Doctorado en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico
| | - Jorge Ramón Padilla-Gutiérrez
- Instituto de Investigación en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico
| | - Emmanuel Valdés-Alvarado
- Instituto de Investigación en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico; Doctorado en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico
| | - Ilian Janet García-González
- Instituto de Investigación en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico; Doctorado en Genética Humana, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico
| | - Angélica Valdez-Haro
- Instituto de Investigación en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico; Doctorado en Genética Humana, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico
| | - José Francisco Muñoz-Valle
- Instituto de Investigación en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico
| | - Hector Enrique Flores-Salinas
- Hospital de Especialidades del Centro Médico Nacional de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, Jalisco, Mexico
| | - Lorena Michele Brennan-Bourdon
- Instituto de Investigación en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico
| | - Yeminia Valle
- Instituto de Investigación en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico.
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Ren M, Li X, Hao L, Zhong J. Role of tumor necrosis factor alpha in the pathogenesis of atrial fibrillation: A novel potential therapeutic target? Ann Med 2015; 47:316-24. [PMID: 25982799 DOI: 10.3109/07853890.2015.1042030] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Atrial fibrillation (AF) is the most common sustained arrhythmia in clinical practice and a major cause of morbidity and mortality. Although the fundamental mechanisms underlying AF remain incompletely understood, atrial remodeling, including structural, electrical, contractile, and autonomic remodeling, has been demonstrated to contribute to the substrate for AF maintenance. Accumulating evidence shows that tumor necrosis factor alpha (TNF-α) plays exceedingly important roles in atrial remodeling. This article reviews recent advances in the roles of TNF-α in the pathogenesis of AF, elucidates the related mechanisms, and exploits its potential usefulness as a novel therapeutic target.
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Affiliation(s)
- Manyi Ren
- Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Health, Department of Cardiology, Qilu Hospital of Shandong University , China
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McNair ED, Wells CR, Qureshi AM, Basran RS, Pearce C, Orvold J, Devilliers J, Prasad K. Low levels of soluble receptor for advanced glycation end products in non-ST elevation myocardial infarction patients. Int J Angiol 2012; 18:187-92. [PMID: 22477551 DOI: 10.1055/s-0031-1278352] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Interaction of the receptors for advanced glycation end products (RAGEs) with advanced glycation end products (AGEs) results in expression of inflammatory mediators (tumor necrosis factor-alpha [TNF-α] and soluble vascular cell adhesion molecule-1 [sVCAM-1]), activation of nuclear factor-kappa B and induction of oxidative stress - all of which have been implicated in atherosclerosis. Soluble RAGE (sRAGE) acts as a decoy for the RAGE ligand and is protective against atherosclerosis. OBJECTIVES To determine whether levels of serum sRAGE are lower, and whether levels of serum AGEs, TNF-α and sVCAM-1 are higher in non-ST elevation myocardial infarction (NSTEMI) patients than in healthy control subjects; and whether sRAGE or the ratio of AGEs to sRAGE (AGEs/sRAGE) is a predictor/biomarker of NSTEMI. METHODS Serum levels of sRAGE, AGEs, TNF-α and sVCAM-1 were measured in 46 men with NSTEMI and 28 age- and sex-matched control subjects. Angiography was performed in the NSTEMI patients. RESULTS sRAGE levels were lower, and levels of AGEs, TNF-α, sVCAM-1 and AGEs/sRAGE were higher in NSTEMI patients than in control subjects. sRAGE levels were negatively correlated with the number of diseased coronary vessels, serum AGEs, AGEs/sRAGE, TNF-α and sVCAM-1. The sensitivity of the AGEs/sRAGE test is greater than that of the sRAGE test, while the specificity and predictive values of the sRAGE test are greater than those of the AGEs/sRAGE test for identifying NSTEMI patients. CONCLUSIONS Serum levels of sRAGE were low in NSTEMI patients, and were negatively correlated with extent of lesion, inflammatory mediators, AGEs and AGEs/sRAGE. Both sRAGE and AGEs/sRAGE may serve as biomarkers/predictors for identifying NSTEMI patients.
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García-Moll X. [Inflammation, atherosclerosis, classic cardiovascular risk factors, biostatistics, clinical significance. Where are we?]. Rev Esp Cardiol 2008; 60:1220-2. [PMID: 18082085 DOI: 10.1157/13113925] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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