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Yazdani AN, Pletsch M, Chorbajian A, Zitser D, Rai V, Agrawal DK. Biomarkers to monitor the prognosis, disease severity, and treatment efficacy in coronary artery disease. Expert Rev Cardiovasc Ther 2023; 21:675-692. [PMID: 37772751 PMCID: PMC10615890 DOI: 10.1080/14779072.2023.2264779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 09/26/2023] [Indexed: 09/30/2023]
Abstract
INTRODUCTION Coronary Artery Disease (CAD) is a prevalent condition characterized by the presence of atherosclerotic plaques in the coronary arteries of the heart. The global burden of CAD has increased significantly over the years, resulting in millions of deaths annually and making it the leading health-care expenditure and cause of mortality in developed countries. The lack of cost-effective strategies for monitoring the prognosis of CAD warrants a pressing need for accurate and efficient markers to assess disease severity and progression for both reducing health-care costs and improving patient outcomes. AREA COVERED To effectively monitor CAD, prognostic biomarkers and imaging techniques play a vital role in risk-stratified patients during acute treatment and over time. However, with over 1,000 potential markers of interest, it is crucial to identify the key markers with substantial utility in monitoring CAD progression and evaluating therapeutic interventions. This review focuses on identifying and highlighting the most relevant markers for monitoring CAD prognosis and disease severity. We searched for relevant literature using PubMed and Google Scholar. EXPERT OPINION By utilizing the markers discussed, health-care providers can improve patient care, optimize treatment plans, and ultimately reduce health-care costs associated with CAD management.
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Affiliation(s)
- Armand N. Yazdani
- Department of Translational Research, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766
| | - Michaela Pletsch
- Department of Translational Research, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766
| | - Abraham Chorbajian
- Department of Translational Research, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766
| | - David Zitser
- Department of Translational Research, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766
| | - Vikrant Rai
- Department of Translational Research, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766
| | - Devendra K. Agrawal
- Department of Translational Research, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766
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Bovee EM, Gulati M, Maas AH. Novel Cardiovascular Biomarkers Associated with Increased Cardiovascular Risk in Women With Prior Preeclampsia/HELLP Syndrome: A Narrative Review. Eur Cardiol 2021; 16:e36. [PMID: 34721670 PMCID: PMC8546910 DOI: 10.15420/ecr.2021.21] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 08/11/2021] [Indexed: 12/11/2022] Open
Abstract
Evidence has shown that women with a history of preeclampsia or haemolysis, elevated liver enzymes and low platelets (HELLP) syndrome have an increased risk of cardiovascular disease later in life. Recommendations for screening, prevention and management after such pregnancies are not yet defined. The identification of promising non-traditional cardiovascular biomarkers might be useful to predict which women are at greatest risk. Many studies are inconsistent and an overview of the most promising biomarkers is currently lacking. This narrative review provides an update of the current literature on circulating cardiovascular biomarkers that may be associated with an increased cardiovascular disease risk in women after previous preeclampsia/HELLP syndrome. Fifty-six studies on 53 biomarkers were included. From the summary of evidence, soluble fms-like tyrosine kinase-1, placental growth factor, interleukin (IL)-6, IL-6/IL-10 ratio, high-sensitivity cardiac troponin I, activin A, soluble human leukocyte antigen G, pregnancy-associated plasma protein A and norepinephrine show potential and are interesting candidate biomarkers to further explore. These biomarkers might be potentially eligible for cardiovascular risk stratification after preeclampsia/HELLP syndrome and may contribute to the development of adequate strategies for prevention of hypertension and adverse events in this population.
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Affiliation(s)
| | | | - Angela Hem Maas
- Department of Cardiology, Radboud University Medical Center Nijmegen, the Netherlands
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Winkel P, Jakobsen JC, Hilden J, Jensen GB, Kjøller E, Sajadieh A, Kastrup J, Kolmos HJ, Iversen KK, Bjerre M, Larsson A, Ärnlöv J, Gluud C. Prognostic value of 12 novel cardiological biomarkers in stable coronary artery disease. A 10-year follow-up of the placebo group of the Copenhagen CLARICOR trial. BMJ Open 2020; 10:e033720. [PMID: 32819979 PMCID: PMC7443269 DOI: 10.1136/bmjopen-2019-033720] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
OBJECTIVE To assess if 12 novel circulating biomarkers, when added to 'standard predictors' available in general practice, could improve the 10-year prediction of cardiovascular events and mortality in patients with stable coronary heart disease. DESIGN The patients participated as placebo receiving patients in the randomised clarithromycin for patients with stable coronary artery disease (CLARICOR) trial at a random time in their disease trajectory. SETTING Five Copenhagen University cardiology departments and a coordinating centre. PARTICIPANTS 1998 participants with stable coronary artery disease. OUTCOMES Death and composite of myocardial infarction, unstable angina pectoris, cerebrovascular disease and death. RESULTS When only 'standard predictors' were included, 83.4% of all-cause death predictions and 68.4% of composite outcome predictions were correct. Log(calprotectin) and log(cathepsin-S) were not associated (p≥0.01) with the outcomes, not even as single predictors. Adding the remaining 10 biomarkers (high-sensitive assay cardiac troponin T; neutrophil gelatinase-associated lipocalin; osteoprotegerin; N-terminal pro-B-type natriuretic peptide; tumour necrosis factor receptor 1 and 2; pregnancy-associated plasma protein A; endostatin; YKL40; cathepsin-B), which were all individually significantly associated with the prediction of the two outcomes, increased the figures to 84.7% and 69.7%. CONCLUSION When 'standard predictors' routinely available in general practices are used for risk assessment in consecutively sampled patients with stable coronary artery disease, the addition of 10 novel biomarkers to the prediction model improved the correct prediction of all-cause death and the composite outcome by <1.5%. TRIAL REGISTRATION NUMBER NCT00121550.
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Affiliation(s)
- Per Winkel
- The Copenhagen Trial Unit, Centre for Clinical Intervention Research, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Janus Christian Jakobsen
- The Copenhagen Trial Unit, Centre for Clinical Intervention Research, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
- Department of Regional Health Research, The Faculty of Heath Sciences, University of Southern Denmark, Copenhagen, Denmark
| | - Jørgen Hilden
- Section of Biostatistics, Department of Public Health Research, University of Copenhagen, Copenhagen, Denmark
| | - Gorm Boje Jensen
- Department of Cardiology, Hvidovre Hospital, Copenhagen University Hospital, Copenhagen, Denmark
| | - Erik Kjøller
- Cardiology, Herlev and Gentofte Hospital, Herlev, Denmark
| | - Ahmad Sajadieh
- Department of Cardiology, Bispebjerg Hospital, Copenhagen University Hospital, Copenhagen, Denmark
| | - Jens Kastrup
- Rigshopitalet, University of Copenhagen, Copenhagen, Denmark
| | - Hans Jørn Kolmos
- Department of Clinical Microbiology, Odense University Hospital, Copenhagen, Denmark
| | - Kasper Karmark Iversen
- Department of Cardiology, Herlev Hospital, Copenhagen University Hospital, Herlev, Denmark
| | - Mette Bjerre
- The Medical Research Laboratory, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Anders Larsson
- Department of Medical Sciences, Uppsala University, Uppsala, Sweden
| | - Johan Ärnlöv
- Family Medicine and Primary Care, Karolinska Universitetssjukhuset, Stockholm, Sweden
| | - Christian Gluud
- The Copenhagen Trial Unit, Centre for Clinical Intervention Research, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
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Nilsson E, Kastrup J, Sajadieh A, Boje Jensen G, Kjøller E, Kolmos HJ, Wuopio J, Nowak C, Larsson A, Jakobsen JC, Winkel P, Gluud C, Iversen KK, Ärnlöv J, Carlsson AC. Pregnancy Associated Plasma Protein-A as a Cardiovascular Risk Marker in Patients with Stable Coronary Heart Disease During 10 Years Follow-Up-A CLARICOR Trial Sub-Study. J Clin Med 2020; 9:jcm9010265. [PMID: 31963719 PMCID: PMC7019890 DOI: 10.3390/jcm9010265] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 01/11/2020] [Accepted: 01/15/2020] [Indexed: 11/16/2022] Open
Abstract
Elevated pregnancy-associated plasma protein A (PAPP-A) is associated with mortality in acute coronary syndromes. Few studies have assessed PAPP-A in stable coronary artery disease (CAD) and results are conflicting. We assessed the 10-year prognostic relevance of PAPP-A levels in stable CAD. The CLARICOR trial was a randomized controlled clinical trial including outpatients with stable CAD, randomized to clarithromycin versus placebo. The placebo group constituted our discovery cohort (n = 1.996) and the clarithromycin group the replication cohort (n = 1.975). The composite primary outcome was first occurrence of cardiovascular event or death. In the discovery cohort, incidence rates (IR) for the composite outcome were higher in those with elevated PAPP-A (IR 12.72, 95% Confidence Interval (CI) 11.0-14.7 events/100 years) compared to lower PAPP-A (IR 8.78, 8.25-9.34), with comparable results in the replication cohort. Elevated PAPP-A was associated with increased risk of the composite outcome in both cohorts (discovery Hazard Ratio (HR) 1.45, 95% CI 1.24-1.70; replication HR 1.29, 95% CI 1.10-1.52). In models adjusted for established risk factors, these trends were attenuated. Elevated PAPP-A was associated with higher all-cause mortality in both cohorts. We conclude that elevated PAPP-A levels are associated with increased long-term mortality in stable CAD, but do not improve long-term prediction of death or cardiovascular events when added to established predictors.
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Affiliation(s)
- Erik Nilsson
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, 17177 Stockholm, Sweden
- School of Medical Sciences, Örebro University, 70182 Örebro, Sweden
- Correspondence:
| | - Jens Kastrup
- Department of Cardiology, Rigshospitalet University of Copenhagen, 2100 Copenhagen, Denmark;
| | - Ahmad Sajadieh
- Department of Cardiology, Copenhagen University Hospital of Bispebjerg and Frederiksberg, 2000 Frederiksberg, Denmark;
| | - Gorm Boje Jensen
- Department of Cardiology, Hvidovre Hospital University of Copenhagen, 2650 Hvidovre, Denmark;
| | - Erik Kjøller
- Department of Cardiology S, Herlev Hospital University of Copenhagen, 2730 Herlev, Denmark; (E.K.); (K.K.I.)
- Copenhagen Trial Unit, Centre for Clinical Intervention Research, Rigshospitalet, Copenhagen University Hospital, 2100 Copenhagen, Denmark; (J.C.J.); (P.W.); (C.G.)
| | - Hans Jørn Kolmos
- Department of Clinical Microbiology, Odense University Hospital, 5000 Odense, Denmark;
| | - Jonas Wuopio
- Department of Medicine, Mora County Hospital, 79251 Mora, Sweden;
| | - Christoph Nowak
- Division for Family Medicine and Primary Care, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, 14183 Huddinge, Sweden; (C.N.); (A.C.C.)
| | - Anders Larsson
- Department of Medical Sciences, Uppsala University, 75185 Uppsala, Sweden;
| | - Janus Christian Jakobsen
- Copenhagen Trial Unit, Centre for Clinical Intervention Research, Rigshospitalet, Copenhagen University Hospital, 2100 Copenhagen, Denmark; (J.C.J.); (P.W.); (C.G.)
- Department of Cardiology, Holbæk Hospital, 4300 Holbæk, Denmark
| | - Per Winkel
- Copenhagen Trial Unit, Centre for Clinical Intervention Research, Rigshospitalet, Copenhagen University Hospital, 2100 Copenhagen, Denmark; (J.C.J.); (P.W.); (C.G.)
| | - Christian Gluud
- Copenhagen Trial Unit, Centre for Clinical Intervention Research, Rigshospitalet, Copenhagen University Hospital, 2100 Copenhagen, Denmark; (J.C.J.); (P.W.); (C.G.)
| | - Kasper K Iversen
- Department of Cardiology S, Herlev Hospital University of Copenhagen, 2730 Herlev, Denmark; (E.K.); (K.K.I.)
| | - Johan Ärnlöv
- Division for Family Medicine and Primary Care, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, 14183 Huddinge, Sweden; (C.N.); (A.C.C.)
- School of Health and Social Studies, Dalarna University, 79131 Falun, Sweden;
| | - Axel C. Carlsson
- Division for Family Medicine and Primary Care, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, 14183 Huddinge, Sweden; (C.N.); (A.C.C.)
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Li Y, Meng X, Zhou C, Zhou X. Pregnancy-associated plasma protein A as a predictor of all-cause mortality and cardiovascular events in patients with chronic kidney disease: a meta-analysis of prospective studies. Arch Med Sci 2020; 16:8-15. [PMID: 32051700 PMCID: PMC6963154 DOI: 10.5114/aoms.2020.91283] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Accepted: 07/16/2017] [Indexed: 12/17/2022] Open
Abstract
INTRODUCTION The aim of the study was to assess the association of elevated serum pregnancy associated plasma protein A (PAPP-A) and the risk of all-cause mortality, cardiovascular events and mortality due to infection in patients with chronic kidney disease (CKD). MATERIAL AND METHODS We systematically searched the Medline database up to March 2017. A random effects model was used to pool the relative risks (RRs) and their 95% confidence intervals (CIs). Sensitivity analysis and subgroup analysis were performed to explore the potential sources of heterogeneity. RESULTS Six studies involving 2034 subjects were included. The pooled RRs for the risk of all-cause mortality and cardiovascular events were 1.50 (95% CI: 1.17-1.92), 1.26 (95% CI: 0.95-1.69), respectively. Sensitivity analysis by excluding each individual study showed no influence on the main results. Subgroup analysis showed that age, male proportion, follow-up term, and assay methods were not modifiable factors. CONCLUSIONS Our study suggests that elevated serum PAPP-A is associated with the risk of all-cause mortality in patients with CKD.
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Affiliation(s)
- Yuehua Li
- Department of Cardiology, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, China
| | - Xv Meng
- Department of Cardiology, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, China
| | - Chenghui Zhou
- Department of Anesthesiology, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xianliang Zhou
- Department of Cardiology, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, China
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Tang SL, Zhao ZW, Liu SM, Wang G, Yu XH, Zou J, Wang SQ, Dai XY, Fu MG, Zheng XL, Zhang DW, Fu H, Tang CK. Pregnancy-Associated Plasma Protein-A Accelerates Atherosclerosis by Regulating Reverse Cholesterol Transport and Inflammation. Circ J 2019; 83:515-523. [DOI: 10.1253/circj.cj-18-0700] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Shi-Lin Tang
- Department of Intensive Care Unit, the First Affiliated Hospital of University of South China
| | - Zhen-Wang Zhao
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, Medical Research Experiment Center, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China
| | - Shang-Ming Liu
- Department of Intensive Care Unit, the First Affiliated Hospital of University of South China
| | - Gang Wang
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, Medical Research Experiment Center, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China
| | - Xiao-Hua Yu
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, Medical Research Experiment Center, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China
| | - Jin Zou
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, Medical Research Experiment Center, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China
| | - Si-Qi Wang
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, Medical Research Experiment Center, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China
| | - Xiao-Yan Dai
- Key Laboratory of Molecular Target & Clinical Pharmacology, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University
| | - Min-Gui Fu
- Department of Biomedical Science and Shock/Trauma Research Center, School of Medicine, University of Missouri-Kansas City
| | - Xi-Long Zheng
- Key Laboratory of Molecular Target & Clinical Pharmacology, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University
- Department of Biochemistry and Molecular Biology, The Libin Cardiovascular Institute of Alberta, The University of Calgary, Health Sciences Center
| | - Da-Wei Zhang
- Department of Pediatrics and Group on the Molecular and Cell Biology of Lipids, University of Alberta
| | - Hui Fu
- Department of Intensive Care Unit, the First Affiliated Hospital of University of South China
| | - Chao-Ke Tang
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, Medical Research Experiment Center, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China
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Azrai Abu M, Chew KT, Nur Azurah AG, Shawal Faizal M, Ngiu CS, Nor Azlin MI. Chest pain in pregnancy: a false alarm. GAZZETTA MEDICA ITALIANA ARCHIVIO PER LE SCIENZE MEDICHE 2019. [DOI: 10.23736/s0393-3660.18.03719-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Yu XH, He LH, Gao JH, Zhang DW, Zheng XL, Tang CK. Pregnancy-associated plasma protein-A in atherosclerosis: Molecular marker, mechanistic insight, and therapeutic target. Atherosclerosis 2018; 278:250-258. [DOI: 10.1016/j.atherosclerosis.2018.10.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Revised: 09/10/2018] [Accepted: 10/04/2018] [Indexed: 12/20/2022]
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Papanastasiou CA, Kokkinidis DG, Oikonomou EK, Mantziaris VG, Foley TR, Karamitsos TD, Waldo SW, Armstrong EJ. Pregnancy associated plasma protein-A as a prognostic biomarker of all-cause mortality and cardiovascular events in patients presenting with chest pain: a systematic review. Biomarkers 2017; 23:1-9. [PMID: 29144175 DOI: 10.1080/1354750x.2017.1397194] [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: 10/18/2022]
Abstract
AIM Novel biomarkers have been proposed for identification of patients at greater risk of future adverse events among those presenting with chest pain. In this review, we aim to elucidate the ability of pregnancy associated plasma protein-A (PAPP-A) to predict mortality and other cardiovascular events in this patient population. METHODS A literature search of the electronic databases Medline, Scopus, Cochrane Library and ClinicalTrials.gov was performed in order to identify studies investigating the utility of PAPP-A to predict mortality and adverse cardiovascular events in patients with chest pain. RESULTS Eight studies met our inclusion criteria. Five of these studies pertained to patients with confirmed ischemic chest pain, while the rest included patients presenting with chest pain possibly due to acute coronary syndrome, irrespectively of the underlying cause. Although the results for long-term events were inconclusive in both groups of patients, higher PAPP-A concentrations were found to be a significant predictor of short-term adverse events in patients with confirmed ischemic chest pain. CONCLUSIONS PAPP-A appears to be a potentially useful biomarker for short-term risk stratification of patients presenting with chest pain of ischemic origin. However, there is an eminent need for more standardized clinical studies investigating the prognostic value of this biomarker.
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Affiliation(s)
- Christos A Papanastasiou
- a School of Medicine , Aristotle University of Thessaloniki , Thessaloniki , Greece.,b 1st Department of Cardiology , AHEPA Hospital, Aristotle University of Thessaloniki , Thessaloniki , Greece.,c Society of Junior Doctors , Athens , Greece
| | - Damianos G Kokkinidis
- d VA Eastern Colorado Healthcare System and Division of Cardiology , University of Colorado , Denver , CO , USA.,e Department of Medicine, Jacobi Medical Center , Albert Einstein College of Medicine , Bronx , NY , USA
| | | | | | - T Raymond Foley
- d VA Eastern Colorado Healthcare System and Division of Cardiology , University of Colorado , Denver , CO , USA
| | - Theodoros D Karamitsos
- b 1st Department of Cardiology , AHEPA Hospital, Aristotle University of Thessaloniki , Thessaloniki , Greece
| | - Stephen W Waldo
- d VA Eastern Colorado Healthcare System and Division of Cardiology , University of Colorado , Denver , CO , USA
| | - Ehrin J Armstrong
- d VA Eastern Colorado Healthcare System and Division of Cardiology , University of Colorado , Denver , CO , USA
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Winkel P, Jakobsen JC, Hilden J, Lange T, Jensen GB, Kjøller E, Sajadieh A, Kastrup J, Kolmos HJ, Larsson A, Ärnlöv J, Gluud C. Predictors for major cardiovascular outcomes in stable ischaemic heart disease (PREMAC): statistical analysis plan for data originating from the CLARICOR (clarithromycin for patients with stable coronary heart disease) trial. Diagn Progn Res 2017; 1:10. [PMID: 31093541 PMCID: PMC6460814 DOI: 10.1186/s41512-017-0009-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Accepted: 01/11/2017] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND The purpose of the predictors for major cardiovascular outcomes in stable ischaemic heart disease (PREMAC) study is exploratory and hypothesis generating. We want to identify biochemical quantities which-conditionally on the values of available standard demographic, anamnestic, and biochemical data-may improve the prediction of cardiovascular outcomes and/or death in patients suffering from stable ischaemic heart disease. The candidate biochemical quantities include N-terminal pro-B-type natriuretic peptide, YKL-40, osteoprotegerin, high-sensitive assay cardiac troponin T (hs-cTnT), pregnancy-associated plasma protein-A (PAPP-A), cathepsin B, cathepsin S, soluble TNF receptor 1 and 2, neutrophil gelatinase-associated lipocalin, endostatin, and calprotectin. As an extra objective, we also want to assess if skewness in these predictors may explain why the clarithromycin for patients with stable coronary heart disease (CLARICOR) trial found increased all-cause and cardiovascular (CV) mortality on a brief clarithromycin regimen compared with placebo. METHODS Baseline data were obtained from the hospital files at five cardiology clinics covering the Copenhagen area. The CLARICOR trial included data from 4372 stable coronary artery disease patients recruited among such patients alive and diagnosed with acute myocardial infarction or unstable angina pectoris during 1993 to 1999 in Copenhagen and randomised during October 1999 to April 2000 to the CLARICOR trial of 14 days clarithromycin versus placebo.Initial follow-up lasted for 2.6 years, during which outcomes were collected through hospital and death registries and assessed by an adjudication committee. Corresponding register data later showed to produce similar results. The adjudicated outcomes were therefore replaced and augmented by register data on outcomes to cover 10 years of follow-up. Biochemical marker data were obtained from analysis of serum from the CLARICOR bio-bank collected at randomisation and stored at -80° C.Using Cox proportional hazard method, we will identify among the candidate biochemical quantities those which are significant predictors when used alone and in combination with the standard predictors as defined in the present study. DISCUSSION Patients who became stable during the period 1993 to 1999 and died before October 1999 are missing. The data from the placebo patients are nevertheless useful to identify new prognostic biomarkers in patients with stable coronary artery disease, and data from both trial groups are useful to assess important potential skewness between randomised groups. However, due to the potential selection bias, we do not feel that it is advisable to try to rank identified biochemical predictors relative to each other nor to use the results for predictive purposes. TRIAL REGISTRATION ClinicalTrials.gov, NCT00121550 Date of registration 13 July 2005Date of enrolment of first participant 12 October 1999.
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Affiliation(s)
- Per Winkel
- 0000 0004 0646 7373grid.4973.9Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, Blegdamsvej 9, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Janus Christian Jakobsen
- 0000 0004 0646 7373grid.4973.9Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, Blegdamsvej 9, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
- 0000 0004 0646 8763grid.414289.2Department of Cardiology, Holbæk Hospital, Holbæk, Denmark
| | - Jørgen Hilden
- 0000 0001 0674 042Xgrid.5254.6Section of Biostatistics, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - Theis Lange
- 0000 0001 0674 042Xgrid.5254.6Section of Biostatistics, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
- 0000 0001 2256 9319grid.11135.37Center for Statistical Science, Peking University, Beijing, China
| | - Gorm Boje Jensen
- 0000 0004 0646 7373grid.4973.9Department of Cardiology, Hvidovre Hospital, Copenhagen University Hospital, Copenhagen, Denmark
| | - Erik Kjøller
- 0000 0004 0646 7373grid.4973.9Department of Cardiology S, Herlev Hospital, Copenhagen University Hospital, Copenhagen, Denmark
| | - Ahmad Sajadieh
- 0000 0004 0646 7373grid.4973.9Department of Cardiology, Bispebjerg Hospital, Copenhagen University Hospital, Copenhagen, Denmark
| | - Jens Kastrup
- 0000 0004 0646 7373grid.4973.9Department of Cardiology B, The Heart Centre, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Hans Jørn Kolmos
- 0000 0004 0512 5013grid.7143.1Department of Clinical Microbiology, Odense University Hospital, Odense, Denmark
| | - Anders Larsson
- 0000 0004 1937 0626grid.4714.6Department of Neurobiology, Care Sciences and Society/Division of Family Medicine, Karolinska Institute, Stockholm, Sweden
| | - Johan Ärnlöv
- 0000 0004 1937 0626grid.4714.6Department of Neurobiology, Care Sciences and Society/Division of Family Medicine, Karolinska Institute, Stockholm, Sweden
- 0000 0001 0304 6002grid.411953.bDepartment of Health and Social Sciences, Dalarna University, Falun, Sweden
| | - Christian Gluud
- 0000 0004 0646 7373grid.4973.9Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, Blegdamsvej 9, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
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Wu XF, Yang M, Qu AJ, Mintz GS, Yang Y, Shang YP, Gao H, Zhang YC, Ge CJ, Wang LY, Wang L, Pu J. Level of Pregnancy-associated Plasma Protein-A Correlates With Coronary Thin-cap Fibroatheroma Burden in Patients With Coronary Artery Disease: Novel Findings From 3-Vessel Virtual Histology Intravascular Ultrasound Assessment. Medicine (Baltimore) 2016; 95:e2563. [PMID: 26817910 PMCID: PMC4998284 DOI: 10.1097/md.0000000000002563] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Pregnancy-associated plasma protein-A (PAPP-A) level is an independent predictor of acute cardiovascular event occurrence. To test the hypothesis that increased PAPP-A levels would be associated with a higher burden of coronary thin-cap fibroatheroma (TCFA) thereby underlying the heightened risk for cardiovascular events in patients with coronary artery disease; 154 patients (462 vessels and 975 plaques) with stable angina or non-ST-segment elevation acute coronary syndrome (NSTE-ACS) referred for percutaneous coronary intervention were assessed using 3-vessel virtual histology (VH)-intravascular ultrasound (IVUS). Thin-cap fibroatheroma virtual histology was defined as focal, necrotic core (NC)-rich (≥10% of cross-sectional area) plaques in contact with the lumen, and plaque burden ≥40%. Pregnancy-associated plasma protein-A levels were determined by sandwich enzyme-linked immunosorbent assay, and patients were divided into 3 groups based on PAPP-A level tertiles. Although the highest PAPP-A level tertile was not associated with 3-vessel plaque number, it was associated with 3-vessel VH-TCFA number and necrotic core volume. Patients with ≥3 VH-TCFAs had a higher PAPP-A level than patients with 1 to 3 VH-TCFAs or without any VH-TCFA (13.3 ± 11.8 versus 7.8 ± 4.7 versus 7.4 ± 4.7 mIU/L, P < 0.001, respectively). Moreover, PAPP-A level was an independent predictor of higher total number of VH-TCFAs (OR 1.18; 95% CI 1.07-1.29, P = 0.001). This VH-IVUS study demonstrated, for the first time to our knowledge, that higher PAPP-A levels are associated with higher 3-vessel TCFA burden in patients with coronary artery disease. Pregnancy-associated plasma protein-A, therefore, might be a useful serum biomarker to predict increased coronary TCFA burden and plaque instability.
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Affiliation(s)
- Xiao-Fan Wu
- From the Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University (X-FW, HG, Y-CZ, C-JG); Beijing Institute of Heart, Lung and Blood Vessel Disease (MY, L-YW); Department of Physiology and Pathophysiology, Capital Medical University, Beijing, China (A-JQ); Cardiovascular Research Foundation, New York, NY (GSM); Department of Ultrasound, Beijing Anzhen Hospital, Capital Medical University, Beijing (YY); Department of Cardiology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Zhejiang (Y-PS); and Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (LW, JP)
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Jespersen CHB, Vestergaard KR, Schou M, Teisner B, Goetze JP, Iversen K. Pregnancy-associated plasma protein-A and the vulnerable plaque. Biomark Med 2015; 8:1033-47. [PMID: 25343675 DOI: 10.2217/bmm.14.53] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
For more than a decade, pregnancy-associated plasma protein-A (PAPP-A) has been examined for its relation to acute coronary syndrome (ACS) and the vulnerable plaque. This review summarizes the current knowledge of plasma PAPP-A in relation to nonpregnant individuals focusing on patients with ACS, discusses its use as a possible biomarker for diagnosis and prognosis in ACS, briefly describes the challenges in different assay technologies and describes the effect of heparin administration on PAPP-A concentrations in plasma.
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13
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Wang H, Song Y, Zhang C, Zhan J, Zhang R, Wang H. Genetic relationship between serum pregnancy-associated plasma protein-A gene polymorphism and ischemic cerebrovascular disease in a Northern Han Chinese population. Neural Regen Res 2015; 7:528-33. [PMID: 25745440 PMCID: PMC4349000 DOI: 10.3969/j.issn.1673-5374.2012.07.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2011] [Accepted: 12/28/2011] [Indexed: 12/13/2022] Open
Abstract
The present study recruited 193 patients with ischemic cerebrovascular disease from Inpatient and Outpatient Departments at the Affiliated Hospital of Qingdao University Medical College, China from August 2008 to May 2010, as well as 120 healthy volunteers from the Medical Examination Center at the Affiliated Hospital of Qingdao University Medical College, China, who served as controls for this study. Patients and control subjects were from the Han population in northern China. Enzyme- linked immunosorbent assay analysis revealed increased levels of serum pregnancy-associated plasma protein-A (PAPP-A) in ischemic cerebrovascular disease patients compared with healthy controls. In addition, the patients exhibited greater frequency of genotype CC and C alleles in a missense A/C (Tyr/Ser) polymorphism (dbSNP: rs7020782) of exon 14 in the PAPP-A gene. Multiple-factor logistic regression analysis on correction of age, gender, history of smoking, hypertension, diabetes mellitus, hypercholesteremia, and ischemic stroke family history showed that the risk for ischemic cerebrovascular disease in the population without the A allele at the A/C genetic locus in exon 14 of the PAPP-A was 2-folds greater than the population expressing the A allele. These experimental findings suggested that ischemic cerebrovascular disease correlated with the C allele in exon 14 of PAPP-A. In addition, the A allele is likely a protective gene; individuals carrying the A allele were less prone to ischemic cerebrovascular disease compared with individuals without the A allele.
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Affiliation(s)
- Haiping Wang
- Department of Neurology, Affiliated Hospital of Qingdao University Medical College, Qingdao 266003, Shandong Province, China
| | - Yan Song
- Department of Gerontology, Affiliated Hospital of Qingdao University Medical College, Qingdao 266003, Shandong Province, China
| | - Chen Zhang
- Department of Neurology, Affiliated Hospital of Qingdao University Medical College, Qingdao 266003, Shandong Province, China
| | - Jingjing Zhan
- Department of Neurology, Affiliated Hospital of Qingdao University Medical College, Qingdao 266003, Shandong Province, China
| | - Rui Zhang
- Department of Neurology, Affiliated Hospital of Qingdao University Medical College, Qingdao 266003, Shandong Province, China
| | - Haiji Wang
- Department of Gerontology, Affiliated Hospital of Qingdao University Medical College, Qingdao 266003, Shandong Province, China
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Winkel P, Hilden J, Hansen JF, Kastrup J, Kolmos HJ, Kjøller E, Jensen GB, Skoog M, Lindschou J, Gluud C. Clarithromycin for stable coronary heart disease increases all-cause and cardiovascular mortality and cerebrovascular morbidity over 10years in the CLARICOR randomised, blinded clinical trial. Int J Cardiol 2015; 182:459-65. [PMID: 25602299 DOI: 10.1016/j.ijcard.2015.01.020] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2014] [Revised: 12/18/2014] [Accepted: 01/04/2015] [Indexed: 10/24/2022]
Abstract
BACKGROUND The CLARICOR trial reported that clarithromycin compared with placebo increased all-cause mortality in patients with stable coronary heart disease. This study investigates the effects of clarithromycin versus placebo during 10years follow up. METHODS The CLARICOR trial is a randomised, placebo-controlled trial including 4373 patients with stable coronary heart disease. The interventions were 2weeks of clarithromycin 500mg a day versus placebo. 10year follow up was performed through Danish public registers and analysed with Cox regression. RESULTS Clarithromycin increased all-cause mortality (hazard ratio (HR): 1.10, 95% confidence interval (CI): 1.00-1.21) and cerebrovascular disease during 10years (HR: 1.19, 95% CI: 1.02-1.38). The increased mortality and morbidity were restricted to patients not on statin at entry (HR: 1.16, 95% CI: 1.04-1.31, and HR: 1.25, 95% CI: 1.03-1.50). The assumption of constant HR during the 10years was violated for cardiovascular death (P=0.01) and cardiovascular death outside hospital (P<0.0005). Analyses of the effects over time showed that clarithromycin increased cardiovascular mortality during the first three years (HR: 1.42, 95% CI: 1.09-1.84) due to increased cardiovascular mortality outside hospital in patients not on statin (HR: 2.36, 95% CI: 1.60-3.50). During the last 4years, cardiovascular death outside hospital was lower in the clarithromycin group (HR: 0.64, 95% CI: 0.46-0.88). CONCLUSION Clarithromycin increased mortality due to cardiovascular death outside hospital and cerebrovascular morbidity in patients with stable coronary heart disease who were not on statin. The increased cardiovascular mortality was years later compensated, likely through frailty attrition.
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Affiliation(s)
- Per Winkel
- The Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark.
| | - Jørgen Hilden
- Department of Biostatistics, Institute of Public Health Research, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Jørgen Fischer Hansen
- Department of Cardiology Y, Bispebjerg Hospital, Copenhagen University Hospital, Copenhagen, Denmark
| | - Jens Kastrup
- Department of Cardiology B, The Heart Centre, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Hans Jørn Kolmos
- Department of Clinical Microbiology, Odense University Hospital, Odense, Denmark
| | - Erik Kjøller
- Department of Cardiology S, Herlev Hospital, Copenhagen University Hospital, Herlev, Denmark
| | - Gorm Boje Jensen
- Department of Cardiology, Hvidovre Hospital, Copenhagen University Hospital, Hvidovre, Denmark
| | - Maria Skoog
- The Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Jane Lindschou
- The Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark.
| | - Christian Gluud
- The Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark.
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Daidoji H, Takahashi H, Otaki Y, Tamura H, Arimoto T, Shishido T, Miyashita T, Miyamoto T, Watanabe T, Kubota I. A combination of plaque components analyzed by integrated backscatter intravascular ultrasound and serum pregnancy-associated plasma protein a levels predict the no-reflow phenomenon during percutaneous coronary intervention. Catheter Cardiovasc Interv 2014; 85:43-50. [PMID: 24227626 DOI: 10.1002/ccd.25294] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2013] [Revised: 10/11/2013] [Accepted: 11/10/2013] [Indexed: 11/10/2022]
Abstract
AIMS Previous studies reported that integrated backscatter intravascular ultrasound (IB-IVUS) provides high diagnostic accuracy for tissue characterization of coronary plaques and that pregnancy-associated plasma protein A (PAPP-A) could be a marker of adverse cardiac outcome in patients with cardiovascular disease. We examined whether IB-IVUS and PAPP-A levels could predict the incidence of no-reflow during percutaneous coronary intervention (PCI) METHODS AND RESULTS: About 176 consecutive patients (138 men, mean age 68 ± 11 years) who underwent PCI with IB-IVUS were prospectively enrolled. Combined no-reflow, including transient filter no-reflow by using distal protection devices, was observed in 31 patients. The percentages of coronary lipid volume (%LV) analyzed by IB-IVUS and serum PAPP-A were significantly higher in patients with combined no-reflow than normal-reflow. To predict no-reflow, a receiver operating characteristic (ROC) analysis determined cut-off values of %LV as 62% and serum PAPP-A as 7.71 ng/mL. The multivariate logistic regression analysis showed that %LV (hazard ratio 4.5, 95% confidence interval 1.6-13.4, P < 0.01) and PAPP-A (hazard ratio 4.32, 95% confidence interval 1.5-12.7, P < 0.01) were independent predictors of combined no-reflow CONCLUSIONS %LV analyzed by IB-IVUS and serum PAPP-A levels were closely associated with the coronary no-reflow phenomenon. © 2014 Wiley Periodicals, Inc.
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Affiliation(s)
- Hyuma Daidoji
- Department of Cardiology, Pulmonology and Nephrology, Yamagata University School of Medicine, Yamagata, Japan
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Tissue-specific changes in pregnancy associated plasma protein-A expression with age in mice. Exp Gerontol 2014; 57:13-7. [PMID: 24815423 DOI: 10.1016/j.exger.2014.04.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2014] [Revised: 04/17/2014] [Accepted: 04/21/2014] [Indexed: 11/20/2022]
Abstract
Pregnancy-associated plasma protein-A (PAPP-A) is a novel zinc metalloproteinase that functions in many systems outside of pregnancy. Data in both humans and mice suggest a role for PAPP-A in aging and age-related diseases. However, our knowledge of tissue-specific PAPP-A expression and possible changes in this expression with age is limited. Thus, the aim of this study was to determine PAPP-A mRNA expression in multiple tissues with age in both male and female mice using real-time PCR. These included the heart, liver, kidney, bone, fat, skeletal muscle, gonads, brain, thymus and spleen. In young mice, PAPP-A mRNA was expressed at relatively high levels in all tissues examined except for liver. The only difference in expression between males and females was seen in the kidney, subcutaneous fat and gonads. The highest PAPP-A mRNA expression levels were found in visceral fat and these were 10-fold higher than in subcutaneous fat. PAPP-A expression significantly increased with age in kidney, brain and gonads. PAPP-A expression significantly deceased with age in bone and skeletal muscle. In the thymus, PAPP-A mRNA showed a biphasic response with age. There were no age-related changes in PAPP-A expression seen in any of the other tissues examined. Expression of IGFBP-5 mRNA, a marker of insulin-like growth factor-I (IGF-I) bioactivity known to be regulated by PAPP-A, paralleled the changes in PAPP-A expression with age in kidney, bone, skeletal muscle and thymus. Thus, tissue-specific PAPP-A expression in mice is differentially affected during aging, and may regulate local IGF-I bioactivity in certain tissues.
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17
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Bale LK, Chakraborty S, Conover CA. Inducible reduction in pregnancy-associated plasma protein-A gene expression inhibits established atherosclerotic plaque progression in mice. Endocrinology 2014; 155:1184-7. [PMID: 24506074 PMCID: PMC3959602 DOI: 10.1210/en.2013-2110] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Pregnancy-associated plasma protein-A (PAPP-A) is a novel zinc metalloproteinase implicated in cardiovascular disease. The aim of this study was to determine whether a reduction in PAPP-A expression in the adult affects the progression of established atherosclerotic plaque. Apolipoprotein E-null mice were fed a high-fat diet for 5 weeks to initiate early-stage plaque development before tamoxifen-inducible, Cre recombinase-mediated excision of the floxed PAPP-A gene. High-fat feeding was continued, and after 10 weeks the aorta and brachiocephalic artery were harvested for atherosclerotic plaque analyses of overall burden and morphology, respectively. An inducible decrease in PAPP-A gene expression significantly inhibited atherosclerotic plaque progression as assessed by a 70% reduction in plaque burden in the aorta (P = .012) without an effect on the elevated circulating levels of cholesterol and triglycerides in this model. Furthermore, this reduction in PAPP-A prevented the development of advanced plaque with necrotic cores and buried fibrous caps in the brachiocephalic artery. These data indicate PAPP-A as a potential target to limit progression of established atherosclerotic plaque.
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Affiliation(s)
- Laurie K Bale
- Division of Endocrinology, Diabetes, Metabolism and Nutrition, Endocrine Research Unit, Mayo Clinic, Rochester, Minnesota 55905
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Nguyen NT, Zhang X, Wu C, Lange RA, Chilton RJ, Lindsey ML, Jin YF. Integrative computational and experimental approaches to establish a post-myocardial infarction knowledge map. PLoS Comput Biol 2014; 10:e1003472. [PMID: 24651374 PMCID: PMC3961365 DOI: 10.1371/journal.pcbi.1003472] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2013] [Accepted: 01/02/2014] [Indexed: 01/04/2023] Open
Abstract
Vast research efforts have been devoted to providing clinical diagnostic markers of myocardial infarction (MI), leading to over one million abstracts associated with “MI” and “Cardiovascular Diseases” in PubMed. Accumulation of the research results imposed a challenge to integrate and interpret these results. To address this problem and better understand how the left ventricle (LV) remodels post-MI at both the molecular and cellular levels, we propose here an integrative framework that couples computational methods and experimental data. We selected an initial set of MI-related proteins from published human studies and constructed an MI-specific protein-protein-interaction network (MIPIN). Structural and functional analysis of the MIPIN showed that the post-MI LV exhibited increased representation of proteins involved in transcriptional activity, inflammatory response, and extracellular matrix (ECM) remodeling. Known plasma or serum expression changes of the MIPIN proteins in patients with MI were acquired by data mining of the PubMed and UniProt knowledgebase, and served as a training set to predict unlabeled MIPIN protein changes post-MI. The predictions were validated with published results in PubMed, suggesting prognosticative capability of the MIPIN. Further, we established the first knowledge map related to the post-MI response, providing a major step towards enhancing our understanding of molecular interactions specific to MI and linking the molecular interaction, cellular responses, and biological processes to quantify LV remodeling. Heart attack, known medically as myocardial infarction, often occurs as a result of partial shortage of blood supply to a portion of the heart, leading to the death of heart muscle cells. Following myocardial infarction, complications might arise, including arrhythmia, myocardial rupture, left ventricular dysfunction, and heart failure. Although myocardial infarction can be quickly diagnosed using a various number of tests, including blood tests and electrocardiography, there have been no available prognostic tests to predict the long-term outcome in response to myocardial infarction. Here, we present a framework to analyze how the left ventricle responds to myocardial infarction by combining protein interactome and experimental results retrieved from published human studies. The framework organized current understanding of molecular interactions specific to myocardial infarction, cellular responses, and biological processes to quantify left ventricular remodeling process. Specifically, our knowledge map showed that transcriptional activity, inflammatory response, and extracellular matrix remodeling are the main functional themes post myocardial infarction. In addition, text analytics of relevant abstracts revealed differentiated protein expressions in plasma or serum expressions from patients with myocardial infarction. Using this data, we predicted expression levels of other proteins following myocardial infarction.
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Affiliation(s)
- Nguyen T. Nguyen
- Department of Electrical and Computer Engineering, University of Texas at San Antonio, San Antonio, Texas, United States of America
- San Antonio Cardiovascular Proteomics Center, University of Texas Health Science Center at San Antonio, San Antonio, Texas, United States of America
| | - Xiaolin Zhang
- Department of Electrical and Computer Engineering, University of Texas at San Antonio, San Antonio, Texas, United States of America
| | - Cathy Wu
- Center for Bioinformatics and Computational Biology and Protein Information Resource, University of Delaware, Newark, Delaware, United States of America
| | - Richard A. Lange
- San Antonio Cardiovascular Proteomics Center, University of Texas Health Science Center at San Antonio, San Antonio, Texas, United States of America
- Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, Texas, United States of America
| | - Robert J. Chilton
- San Antonio Cardiovascular Proteomics Center, University of Texas Health Science Center at San Antonio, San Antonio, Texas, United States of America
- Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, Texas, United States of America
| | - Merry L. Lindsey
- San Antonio Cardiovascular Proteomics Center, University of Texas Health Science Center at San Antonio, San Antonio, Texas, United States of America
- Mississippi Center for Heart Research, University of Mississippi Medical Center, Jackson, Mississippi, United States of America
- Research Service, G.V. (Sonny) Montgomery Veterans Affairs Medical Center, Jackson, Mississippi, United States of America
| | - Yu-Fang Jin
- Department of Electrical and Computer Engineering, University of Texas at San Antonio, San Antonio, Texas, United States of America
- San Antonio Cardiovascular Proteomics Center, University of Texas Health Science Center at San Antonio, San Antonio, Texas, United States of America
- * E-mail:
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Zhu R, Liu X, He Z. Association of pregnancy-associated plasma protein-A gene polymorphism with ischemic stroke in northern Chinese Han population. Neurol Res 2013; 36:132-6. [PMID: 24099568 DOI: 10.1179/1743132813y.0000000270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
OBJECTIVES The pregnancy-associated plasma protein-A (PAPP-A), belonging to the metalloproteinase superfamily, plays an important role in destabilization of atherosclerotic plaques. The aim of this study is to evaluate whether PAPP-A gene polymorphism is associated with the risk of ischemic stroke (IS) in northern Chinese Han populations. METHODS A total of 368 patients with IS and 374 aged-matched healthy controls in a Chinese Han population were included in the case-control study. The single-nucleotide polymorphism (SNP) IVS6+95 (rs13290387) in the PAPP-A gene was analyzed by the polymerase chain reaction-ligation detection reaction (PCR-LDR) method. RESULTS Compared with the GG+CG genotype, the frequencies of the CC genotype of IVS6+95 (rs13290387) in the patients with IS were significantly higher than those in the controls (P = 0·026). After adjusting the confounding risk factors of IS (age, gender, smoking, alcohol drinking, hypertension, diabetes mellitus, and hyperlipidemia) by the multivariate logistic analysis, this significant correlation still remained (P = 0·010). DISCUSSION The CC genotype of IVS6+95 (rs13290387) was associated with increased incidence of IS in northern Chinese Han populations. This is an initial study to indicate that PAPP-A (rs13290387) might contribute to IS susceptibility in northern Chinese Han populations.
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Sun Y, Chen D, Cao L, Zhang R, Zhou J, Chen H, Li Y, Li M, Cao J, Wang Z. MiR-490-3p modulates the proliferation of vascular smooth muscle cells induced by ox-LDL through targeting PAPP-A. Cardiovasc Res 2013; 100:272-9. [DOI: 10.1093/cvr/cvt172] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Li Y, Zhou C, Zhou X, Li L, Hui R. Pregnancy-associated plasma protein A predicts adverse vascular events in patients with coronary heart disease: a systematic review and meta-analysis. Arch Med Sci 2013; 9:389-97. [PMID: 23847657 PMCID: PMC3701985 DOI: 10.5114/aoms.2013.35421] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2013] [Revised: 03/29/2013] [Accepted: 04/19/2013] [Indexed: 12/14/2022] Open
Abstract
INTRODUCTION Prospective studies about the association between elevated circulating pregnancy-associated plasma protein A (PAPP-A) and adverse vascular events in patients with coronary heart diseases (CHD) are inconsistent. We performed a meta-analysis to clarify this issue. MATERIAL AND METHODS We identified prospective studies by searching MEDLINE. The vascular outcomes included all-cause mortality, combination of all-cause mortality and non-fatal myocardial infarction (MI), and combined cardiovascular events. Prospective studies providing multivariable adjusted relative risks (RRs) and their 95% confidence intervals (CIs) of pre-mentioned outcomes were included. A random-effects model was used to calculate the pooled RRs. Subgroup and sensitivity analyses were used to explore the potential sources of heterogeneity or modifiable factors. RESULTS Fourteen studies with a total of 12 830 participants were included. Elevated PAPP-A level was associated with all-cause mortality (pooled RR 1.74, 95% CI: 1.45 to 2.09, p < 0.001), combined all-cause mortality and non-fatal MI (RR 1.59, 95% CI: 1.37 to 1.85, p < 0.001) and combined cardiovascular events (RR 1.50, 95% CI: 1.22 to 1.85, p < 0.001). There was no significant heterogeneity. Subgroup and sensitivity analyses showed that the positive association was not affected by follow-up term, CHD type, different assay methods of PAPP-A, or studies with less than 5 adjusted variables. CONCLUSIONS Elevated serum PAPP-A level is associated with adverse vascular outcomes in patients with CHD.
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Affiliation(s)
- Yuehua Li
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China ; Hypertension Division, Fuwai Hospital, National Center for Cardiovascular Diseases, Beijing, China ; Sino-German Laboratory for Molecular Medicine, Fuwai Hospital, National Center for Cardiovascular Diseases, Beijing, China
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22
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Mjelva ØR, Brügger-Andersen T, Pönitz V, Grundt H, Kontny F, Staines H, Nilsen DW. Long-term prognostic utility of PAPP-A and calprotectin in suspected acute coronary syndrome. SCAND CARDIOVASC J 2013; 47:88-97. [DOI: 10.3109/14017431.2013.764571] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
| | | | - Volker Pönitz
- Department of Cardiology, Stavanger University Hospital,
Stavanger, Norway
| | - Heidi Grundt
- Department of Medicine, Stavanger University Hospital,
Stavanger, Norway
- Institute of Medicine, University of Bergen,
Bergen, Norway
| | | | | | - Dennis W.T. Nilsen
- Department of Cardiology, Stavanger University Hospital,
Stavanger, Norway
- Institute of Medicine, University of Bergen,
Bergen, Norway
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Wu XF, Liu XH, Dong JZ, Wang LY, Yang Y, Nie SP, Zhang Y, Ma CS. Pregnancy-Associated Plasma Protein-A as a Marker of Culprit Lesion Instability in Unstable Angina Patients: An Intravascular Ultrasound Study. Cardiology 2013; 126:244-51. [DOI: 10.1159/000354246] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2013] [Accepted: 07/05/2013] [Indexed: 11/19/2022]
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Li Y, Zhou C, Zhou X, Song L, Hui R. PAPP-A in cardiac and non-cardiac conditions. Clin Chim Acta 2012; 417:67-72. [PMID: 23262366 DOI: 10.1016/j.cca.2012.12.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2012] [Revised: 12/06/2012] [Accepted: 12/09/2012] [Indexed: 12/30/2022]
Abstract
Pregnancy-associated plasma protein-A (PAPP-A), a newly discovered member of insulin like growth factors (IGFs) axis, has been reported to be a biomarker in both cardiac and non-cardiac conditions. PAPP-A mainly acts as a protease cleaving IGF inhibitors - IGF binding proteins (IGFBPs), thereby setting free IGFs. In cardiac conditions, PAPP-A plays an important role in progressive atherosclerosis. As a biomarker, PAPP-A is not only sensitive, specific and early for diagnosis of acute coronary syndrome, but also an independent risk factor for all-cause mortality or combined cardiovascular events. In non-cardiac conditions, PAPP-A is a new anti-aging target. PAPP-A knock out (KO) mice have a prolonged lifespan than the wild type. In addition, PAPP-A is also a biomarker associated with malignant cancer and end stage renal disease.
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Affiliation(s)
- Yuehua Li
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037, China
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CRP and TNF-α induce PAPP-A expression in human peripheral blood mononuclear cells. Mediators Inflamm 2012; 2012:697832. [PMID: 22997483 PMCID: PMC3446755 DOI: 10.1155/2012/697832] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2012] [Revised: 07/25/2012] [Accepted: 07/27/2012] [Indexed: 11/17/2022] Open
Abstract
Objective. The effects of C-reactive protein (CRP) and tumor necrosis factor-α (TNF-α) on pregnancy-associated plasma protein-A (PAPP-A) expression in human peripheral blood mononuclear cells (PBMCs) require further investigation. Methods. The PAPP-A levels in culture supernatants, PAPP-A mRNA expression, and cellular PAPP-A expression were measured in human PBMCs isolated from fresh blood donations provided by 6 healthy volunteers (4 donations per volunteer). Analyses were conducted by ultrasensitive ELISA, western blotting, and RT-PCR following stimulation with CRP or TNF-α cytokines. Results. PAPP-A mRNA and protein levels after CRP stimulation peaked at 24 hours, whereas peak PAPP-A mRNA and protein levels were achieved after TNF-α stimulation at only 2 and 8 hours, respectively. These findings indicate the dose-dependent effect of CRP and TNF-α stimulation. Actinomycin D treatment completely prevented CRP and TNF-α induction of PAPP-A mRNA and protein expression. Additionally, nuclear factor- (NF-) κB inhibitor (BAY11-7082) potently inhibited both CRP and TNF-α stimulated PAPP-A mRNA and protein expression. Conclusions. Human PBMCs are capable of expressing PAPP-A in vitro, expression that may be regulated by CRP and TNF-α through the NF-κB pathway. This mechanism may play a significant role in the observed increase of serum PAPP-A levels in acute coronary syndrome (ACS).
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Conover CA. Role of PAPP-A in aging and age-related disease. Exp Gerontol 2012; 48:612-3. [PMID: 22790018 DOI: 10.1016/j.exger.2012.06.017] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2012] [Revised: 06/18/2012] [Accepted: 06/20/2012] [Indexed: 11/28/2022]
Abstract
As suggested by its name, pregnancy-associated plasma protein-A (PAPP-A) plays an important role in pregnancy and fetal development (Brizot et al., 1996; Lin et al., 1974; Smith et al., 2002). On the opposite end of life's spectrum, recent studies using genetically-engineered mice indicate a newly recognized role for PAPP-A in aging and in the development of age-related disease. These latter studies will be reviewed in this article.
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Affiliation(s)
- Cheryl A Conover
- Division of Endocrinology, Metabolism and Nutrition, Endocrine Research Unit, Mayo Clinic, Rochester, MN 55905, USA.
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PAPP-A negatively regulates ABCA1, ABCG1 and SR-B1 expression by inhibiting LXRα through the IGF-I-mediated signaling pathway. Atherosclerosis 2012; 222:344-54. [DOI: 10.1016/j.atherosclerosis.2012.03.005] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2011] [Revised: 02/16/2012] [Accepted: 03/06/2012] [Indexed: 01/14/2023]
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Conover CA. Key questions and answers about pregnancy-associated plasma protein-A. Trends Endocrinol Metab 2012; 23:242-9. [PMID: 22463950 PMCID: PMC3348390 DOI: 10.1016/j.tem.2012.02.008] [Citation(s) in RCA: 110] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2012] [Revised: 02/20/2012] [Accepted: 02/26/2012] [Indexed: 11/26/2022]
Abstract
Twenty-five years after it was identified as a circulating protein of unknown function derived from the placenta, pregnancy-associated plasma protein-A (PAPP-A) was discovered to be a novel zinc metalloproteinase expressed by a variety of cell types. Great progress has been made in understanding the biology of PAPP-A and its regulation during recent years, especially in regard to physiological and pathophysiological inflammatory injury responses. However, much remains to be learned about this complex protein and its potential clinical implications outside pregnancy. In this article we address some of the outstanding questions about PAPP-A, in particular about its newly emerging role in the insulin-like growth factor (IGF) system.
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Affiliation(s)
- Cheryl A Conover
- Division of Endocrinology and Metabolism, Endocrine Research Unit, Mayo Clinic, Rochester, MN 55905, USA.
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Bondagji NS. Ischaemic heart disease in pregnancy. J Saudi Heart Assoc 2012; 24:89-97. [PMID: 23960678 PMCID: PMC3727507 DOI: 10.1016/j.jsha.2011.12.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2011] [Accepted: 12/10/2011] [Indexed: 11/20/2022] Open
Abstract
Ischaemic heart disease (IHD) in pregnancy, particularly myocardial infarction (MI), is a rare yet potentially fatal condition for the mother and the foetus. With delays in the age of conception, the changes in some social habits among females including cigarette and shisha smoking in addition to an increased prevalence of diabetes mellitus, IHD may represent a real hazard among pregnant women in the near future. The difficulty in the diagnosis emerges from the similarity of the signs and symptoms of ischaemia and infarct to some of the physiological adaptations that occur in a normal pregnancy. The physiological changes that are normal in pregnancy may aggravate pre-existing disease and may unmask some underlying unrecognized coronary vascular changes; therefore, the diagnosis requires a high index of suspicion and careful assessment of the underlying risk factors. The management of IHD always requires a multidisciplinary team approach. The management of each patient should be individualized according to the clinical condition, the risk factors, and the availability of the necessary support. Pregnancy after MI may be an acceptable and reasonably safe option provided the cited criteria are met. A systematic PubMed search was performed to identify all published data including cases reports, small series and systematic reviews in the existing literature. These publications were comprised of both retrospective and cross sectional population studies to maximize the number of cases considered in order to reach conclusions and make recommendations based on the best available evidence considering the rare occurrence of this event. The epidemiology, diagnosis, medical and surgical treatment, and prognosis of IHD in pregnancy are the subjects of the present review.
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Affiliation(s)
- Nabeel S. Bondagji
- Division of Maternal–Fetal Medicine and High Risk Pregnancy Unit, Department of Obstetrics and Gynaecology, King Abdul-Aziz University Hospital and Princes Aljohra Centre of Excellence in Hereditary Disease, King Abdul-Aziz University, College of Medicine, P.O. Box 80215, Jeddah 21589, Saudi Arabia
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Schaub N, Reichlin T, Meune C, Twerenbold R, Haaf P, Hochholzer W, Niederhauser N, Bosshard P, Stelzig C, Freese M, Reiter M, Gea J, Buser A, Mebazaa A, Osswald S, Mueller C. Markers of plaque instability in the early diagnosis and risk stratification of acute myocardial infarction. Clin Chem 2011; 58:246-56. [PMID: 22057876 DOI: 10.1373/clinchem.2011.172940] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
BACKGROUND Plaque erosion and plaque rupture occur early in the pathophysiology of acute myocardial infarction (AMI). We hypothesized that markers of plaque instability might be useful in the early diagnosis and risk stratification of AMI. METHODS In this multicenter study, we examined 4 markers of plaque instability, myeloperoxidase (MPO), myeloid-related protein 8/14 (MRP-8/14), pregnancy-associated plasma protein-A (PAPP-A), and C-reactive protein (CRP) in 398 consecutive patients presenting to the emergency department with acute chest pain and compared them to normal and high-sensitivity cardiac troponin T (cTnT and hs-cTnT). The final diagnosis was adjudicated by 2 independent cardiologists. Primary prognostic end point was death during a median follow-up of 27 months. RESULTS The adjudicated final diagnosis was AMI in 76 patients (19%). At emergency department presentation, concentrations of all 4 biomarkers of plaque instability were significantly higher in patients with AMI than in patients with other diagnoses. However, their diagnostic accuracy as quantified by the area under the ROC curve (AUC) was low (MPO 0.63, MRP-8/14 0.65, PAPP-A 0.62, CRP 0.59) and inferior to both normal and high-sensitivity cardiac troponin T (cTnT 0.88, hs-cTnT 0.96; P<0.001 for all comparisons). Thirty-nine patients (10%) died during follow-up. Concentrations of MPO, MRP-8/14, and CRP were higher in nonsurvivors than in survivors and predicted all-cause mortality with moderate accuracy. CONCLUSIONS Biomarkers of plaque instability do not seem helpful in the early diagnosis of AMI but may provide some incremental value in the risk stratification of patients with acute chest pain.
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Affiliation(s)
- Nora Schaub
- Department of Internal Medicine, University Hospital Basel, Basel, Switzerland
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Beyond C-reactive protein; new evidence for another inflammatory biomarker predicting cardiovascular disease risk. Atherosclerosis 2011; 214:39-40. [DOI: 10.1016/j.atherosclerosis.2010.09.028] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2010] [Accepted: 09/24/2010] [Indexed: 11/24/2022]
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