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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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Knyazeva TA, Badtieva VA, Nikiforova TI. [Physical training integration with physiotherapeutic methods of myocardial metabolism recovery in the rehabilitation of patients after acute coronary syndrome and cardiosurgical myocardial revascularization]. VOPROSY KURORTOLOGII, FIZIOTERAPII, I LECHEBNOĬ FIZICHESKOĬ KULTURY 2020; 97:5-12. [PMID: 33054003 DOI: 10.17116/kurort2020970515] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Successes achieved in the treatment of patients with coronary heart disease (CHD) after acute coronary syndrome and cardiosurgical interventions require the development of new, more advanced methods for their rehabilitation. This is because of metabolic disturbances persistence in the deeply ischemic myocardium in patients with coronary heart disease even after restoration of blood flow through the coronary arteries by surgical or endovascular methods due to the development of the phenomenon of «stunning» and hibernation. The discovery of the development of their own adaptation to ischemia phenomenon opens up new possibilities in the correction of the metabolism of the ischemic myocardium, which significantly increases the efficiency of patient postoperative rehabilitation. PURPOSE OF THE STUDY The scientific rationale for improved cardiac rehabilitation programs for patients after acute coronary syndrome and cardiac surgery. MATERIAL AND METHODS 120 patients who were randomized to 3 groups (40 patients each) were examined: the main and two control, comparable in the major clinical manifestations of the disease. Improved methods of physical training with the inclusion of interval cyclic training for the first time in cardiology on treadmills and sensory tracks and therapeutic exercises in the gym (daily, 5 times a week, for a course of 10 procedures) were performed for patients of the 1st control group. Therapeutic procedures that improve metabolic processes in the ischemic myocardium were used in patients of the 2nd control group: enhanced external counterpulsation, general dry air carbon dioxide, infrared matrix laser therapy. Rehabilitation by the complex of the above physical training and factors which restored metabolic processes in the ischemic myocardium was carried out to patients of the main group. Methods had a cardioprotective effect and increase myocardial adaptation to ischemia. RESULTS The greatest anti-ischemic, antianginal, antihypoxic effects were achieved in patients of the main group compared with the control groups. What may be due to the correction of metabolic disorders and the development of cardioprotection of ischemic myocardium. The consequence is a significant increase in the rehabilitation effect of improved cardiovascular training. CONCLUSION The achieved result is due to the integration of improved cardiac training techniques and a procedure package aimed at cardioprotection and metabolic myocardium adaptation to ischemia, which included enhanced external counterpulsation, general dry air carbon dioxide and infrared matrix laser therapy.
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Affiliation(s)
- T A Knyazeva
- National Medical Research Center for Rehabilitation and Balneology, Moscow, Russia
| | - V A Badtieva
- Moscow centre for research and practice in medical, rehabilitation, restorative and sports medicine, Moscow, Russia
| | - T I Nikiforova
- National Medical Research Center for Rehabilitation and Balneology, Moscow, Russia
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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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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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Dembic M, Hedley PL, Torp-Pedersen C, Køber L, Christiansen M. Pregnancy-associated plasma protein-A (PAPP-A) and the proform of the eosinophil major basic protein (ProMBP) are associated with increased risk of death in heart failure patients. Scandinavian Journal of Clinical and Laboratory Investigation 2017; 77:352-357. [DOI: 10.1080/00365513.2017.1325926] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Maja Dembic
- Department for Congenital Disorders, Statens Serum Institut, Copenhagen, Denmark
- Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Paula L. Hedley
- Department for Congenital Disorders, Statens Serum Institut, Copenhagen, Denmark
- MRC Centre for Molecular and Cellular Biology, Division of Molecular Biology and Human Genetics, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | | | - Lars Køber
- Department of Cardiology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Michael Christiansen
- Department for Congenital Disorders, Statens Serum Institut, Copenhagen, Denmark
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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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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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Chan CPY, Rainer TH. Pathophysiological roles and clinical importance of biomarkers in acute coronary syndrome. Adv Clin Chem 2013; 59:23-63. [PMID: 23461132 DOI: 10.1016/b978-0-12-405211-6.00002-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Early diagnosis of acute coronary syndrome (ACS) is important to guide appropriate therapy at a time when it is most likely to be of value. Accurate prognostic and risk stratification will facilitate high-risk patients to have early advanced diagnostic investigations and early appropriate interventions in a cost-effective and efficient manner, while those patients at low risk of ACS complications do not need such costly diagnostic tests and unnecessary hospital admission. Recent investigations have demonstrated that elevation of biomarkers upstream from acute-phase biomarkers, biomarkers of plaque destabilization and rupture, biomarkers of myocardial ischemia, necrosis, and dysfunction may provide an earlier assessment of patient risk and identify patients with higher risk of having an adverse event. This review provides an overview of the pathophysiology and clinical characteristics of several well-established biomarkers as well as emerging biomarkers that may have potential clinical utility in patients with ACS. Such emerging biomarkers hold promise and need to be more thoroughly evaluated before utilization in routine clinical practice.
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Affiliation(s)
- Cangel Pui-Yee Chan
- Accident and Emergency Medicine Academic Unit, Prince of Wales Hospital, The Chinese University of Hong Kong, Sha Tin, NT, Hong Kong SAR, PR China.
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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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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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Pregnancy associated plasma protein-A (PAPP-A) is not a marker of the vulnerable atherosclerotic plaque. Clin Biochem 2011; 44:312-8. [DOI: 10.1016/j.clinbiochem.2010.12.010] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2010] [Revised: 12/10/2010] [Accepted: 12/11/2010] [Indexed: 11/15/2022]
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Schulz O, Reinicke M, Krämer J, Berghöfer G, Bensch R, Schimke I, Jaffe A. Pregnancy-associated plasma protein A values in patients with stable cardiovascular disease: use of a new monoclonal antibody-based assay. Clin Chim Acta 2011; 412:880-6. [PMID: 21238442 DOI: 10.1016/j.cca.2011.01.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2010] [Revised: 01/05/2011] [Accepted: 01/06/2011] [Indexed: 10/18/2022]
Abstract
BACKGROUND PAPP-A is promising in improving risk stratification and invasive treatment decisions in stable cardiovascular patients. We evaluated the prognostic value of pregnancy-associated plasma protein A (PAPP-A) measured by a novel assay in stable cardiovascular patients. METHODS We investigated 228 stable cardiovascular outpatients. Blood was drawn for PAPP-A measurement after echocardiography and ergometry prior to heart catheterization. Angiographically we determined severity as well as qualitative characteristics suspect for vulnerability of coronary lesions. After 1108±297 days, follow-up information was obtained by questionnaire mailings and interviews by phone. RESULTS 104 patients had coronary stenosis≥70%, 75 had B-type lesions≥50%, 46 showed complex lesions, and 68 were suspected to have vulnerable lesions. Median PAPP-A was 1.76 (interquartile range 1.21, 2.63) μIU/ml in the entire cohort. PAPP-A concentrations did not differ in dependence on coronary artery findings. A cutpoint of 2.7 μIU/ml was derived from receiver-operator characteristics for outcome measures. For this cutoff, Cox proportional hazard models with 19 further clinical variables showed that PAPP-A was predictive for all-cause death (HR 4.73, 95% CI 1.46-15.31, p=0.01), all-cause death or nonfatal infarction (HR 4.01, 95% CI 1.58-10.13, p=0.003) and all-cause death, nonfatal myocardial infarction or hospitalization (HR 1.96, 95% CI 1.03-3.70, p=0.04). The predictive value of PAPP-A did not change substantially after correction for values of cardiac troponin, using a highly sensitive cardiac troponin I research assay. CONCLUSIONS PAPP-A, measured by a new, monoclonal antibody-based assay is a promising prognostic marker in patients with stable cardiovascular disease and an indication for heart catheterization.
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Affiliation(s)
- Olaf Schulz
- Interventionelle Kardiologie Spandau, Berlin, Germany
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Iversen KK, Teisner B, Winkel P, Gluud C, Kjøller E, Kolmos HJ, Hildebrandt PR, Hilden J, Kastrup J. Pregnancy associated plasma protein-A as a marker for myocardial infarction and death in patients with stable coronary artery disease: A prognostic study within the CLARICOR Trial. Atherosclerosis 2011; 214:203-8. [DOI: 10.1016/j.atherosclerosis.2010.10.025] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2010] [Revised: 10/02/2010] [Accepted: 10/07/2010] [Indexed: 10/18/2022]
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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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Leukocyte counts, myeloperoxidase, and pregnancy-associated plasma protein a as biomarkers for cardiovascular disease: towards a multi-biomarker approach. Int J Vasc Med 2010; 2010:726207. [PMID: 21188207 PMCID: PMC3003971 DOI: 10.1155/2010/726207] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2010] [Accepted: 03/18/2010] [Indexed: 11/18/2022] Open
Abstract
We evaluated leukocyte counts and levels of CRP, fibrinogen, MPO, and PAPP-A in patients with stable and unstable angina pectoris, acute myocardial infarction, and healthy controls. All biomarkers were analyzed again after 6 months. Leukocyte counts and concentrations of fibrinogen, CRP, MPO, and PAPP-A were significantly increased in patients with acute myocardial infarction. Leukocyte counts and concentrations of MPO were significantly increased in patients with unstable angina pectoris compared with controls. After 6 months, leukocyte counts and MPO concentrations were still increased in patients with acute myocardial infarction when compared to controls. Discriminant analysis showed that leukocyte counts, MPO, and PAPP-A concentrations classified study group designation for acute coronary events correctly in 83% of the cases. In conclusion, combined assessment of leukocyte counts, MPO, and PAPP-A was able to correctly classify acute coronary events, suggesting that this could be a promising panel for a multibiomarker approach to assess cardiovascular risk.
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Pregnancy-associated plasma protein-A, a marker for outcome in patients suspected for acute coronary syndrome. Clin Biochem 2010; 43:851-7. [PMID: 20388505 DOI: 10.1016/j.clinbiochem.2010.03.018] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2010] [Revised: 03/29/2010] [Accepted: 03/30/2010] [Indexed: 01/18/2023]
Abstract
OBJECTIVES To examine if pregnancy-associated plasma protein-A (PAPP-A) in patients with chest pain, could identify patients at risk for death or myocardial infarction. DESIGN AND METHODS Patients admitted with chest pain and both normal ECG and normal biomarkers were evaluated by serial measurement of PAPP-A. Main outcome measures were mortality and non-fatal myocardial infarction. RESULTS Median age of patients included (415) was 67years and 43% were women. The risk of death or non-fatal myocardial infarction after 3 months was 15% in the highest quartile of circulating PAPP-A compared with 3% in the lowest quartile (relative risk 3.7, p<0.01). Corresponding numbers after 1 year were 24% and 10% (relative risk 2.4, p=0.01). CONCLUSION In patients admitted with chest pain and both normal ECG and normal biomarkers PAPP-A seems to be valuable for predicting patients at high risk of death or non-fatal myocardial infarction.
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Mueller T, Dieplinger B, Forstner T, Poelz W, Haltmayer M. Pregnancy-associated plasma protein-A as a marker for long-term mortality in patients with peripheral atherosclerosis: inconclusive findings from the Linz Peripheral Arterial Disease (LIPAD) study. Clin Chem Lab Med 2010; 48:537-42. [DOI: 10.1515/cclm.2010.103] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Etter C, Straub Y, Hersberger M, Räz HR, Kistler T, Kiss D, Wüthrich RP, Gloor HJ, Aerne D, Wahl P, Klaghofer R, Ambühl PM. Pregnancy-associated plasma protein-A is an independent short-time predictor of mortality in patients on maintenance haemodialysis. Eur Heart J 2009; 31:354-9. [PMID: 19850559 DOI: 10.1093/eurheartj/ehp429] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
AIMS Mortality of maintenance haemodialysis (HD) patients is very high due to polymorbidity, mostly from metabolic and cardiovascular disease. In order to identify patients with high risk for life-threatening complications, reliable prognostic markers would be helpful. Pregnancy-associated plasma protein-A (PAPP-A) has been shown to predict cardiovascular events and death in patients with stable coronary artery disease as well as in acute coronary syndrome in patients with normal renal function. It was the aim of this study to evaluate PAPP-A as a marker for death in patients on maintenance HD. METHODS AND RESULTS PAPP-A serum levels were measured in 170 patients participating in the monitor! trial, a prospective dynamic dialysis cohort multicenter study in Switzerland. Patients were followed up for a median time of 17 months after measuring PAPP-A, and evaluated for death of any cause. Survivors and non-survivors were compared with regard to baseline PAPP-A concentrations. A multivariate logistic regression analysis for death was performed including PAPP-A, age, sex, number of comorbidities, dialysis vintage, Kt/V, IL-6, C-reactive protein, parathyroid hormone (PTH), Ca x PO(4) product, and total serum cholesterol. A cut-off value for PAPP-A was calculated for discrimination between patients with low and high mortality risk, respectively. A total of 23 deaths occurred during follow-up, equalling an incidence rate of 0.1. Baseline median PAPP-A levels were 40% higher in non-survivors vs. survivors (P = 0.023). In a multivariate analysis, only PAPP-A, age, and Ca x PO(4) product were independent predictors of mortality. A cut-off value of 24 mIU/L discriminates significantly (P = 0.015) between patients at low or high risk for death with a negative predictive value of 91%. CONCLUSION PAPP-A is a novel and independent short-time predictor of mortality in a maintenance HD population. The pathogenetic relevance of PAPP-A, particularly in the development of cardiovascular disease, remains to be further elucidated.
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Affiliation(s)
- Christoph Etter
- Renal Division, Stadtspital Waid, Tièchestrasse 99 CH-8037 Zurich, Switzerland
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Pregnancy associated plasma protein A, a potential marker for vulnerable plaque in patients with non-ST-segment elevation acute coronary syndrome. Clin Biochem 2009; 42:828-34. [DOI: 10.1016/j.clinbiochem.2009.01.011] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2008] [Revised: 01/10/2009] [Accepted: 01/22/2009] [Indexed: 11/23/2022]
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Kavsak PA, Wang X, Henderson M, Ko DT, MacRae AR, Jaffe AS. PAPP-A as a marker of increased long-term risk in patients with chest pain. Clin Biochem 2009; 42:1012-8. [PMID: 19328196 DOI: 10.1016/j.clinbiochem.2009.03.015] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2009] [Revised: 03/09/2009] [Accepted: 03/12/2009] [Indexed: 11/29/2022]
Abstract
OBJECTIVES Long-term risk stratification in patients presenting with acute coronary syndromes (ACS) is possible by measuring cardiac troponin (cTn). The present study examined whether PAPP-A measured in an emergency department (ED) chest pain population in association with conventional and novel high sensitivity cTn (hs-cTnI) assays can predict long-term mortality. METHODS In 320 patients with cTn measurements the earliest heparinized plasma PAPP-A concentration after presentation was used for risk stratification for death by Kaplan-Meier and Cox analyses. Subgroup analyses using the earliest PAPP-A concentrations were also performed in a cohort of subjects with presentation cTnI < or = 99th percentile but with significantly changing cardiac troponin concentrations as measured by the AccuTnI assay and the hs-cTnI assay (n=45 and 120 subjects, respectively). RESULTS Subjects with PAPP-A concentrations in the highest tertile were at higher risk for death (HR > 2.00; p < or = 0.05 at 2 years) even after adjusting for cTnI at presentation. In the cohort with cTnI < or = 99th percentile but with changing hs-cTnI concentrations, subjects in the top PAPP-A tertile had a higher probability for death (p=0.02). CONCLUSION Early measurement of PAPP-A may identify chest pain patients at higher risk for long-term death. Additional prospective ACS studies are required to fully elucidate PAPP-A's role.
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Affiliation(s)
- Peter A Kavsak
- Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada.
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Consuegra-Sanchez L, Fredericks S, Kaski JC. Pregnancy-associated plasma protein-A (PAPP-A) and cardiovascular risk. Atherosclerosis 2008; 203:346-52. [PMID: 18789800 DOI: 10.1016/j.atherosclerosis.2008.07.042] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2008] [Revised: 07/28/2008] [Accepted: 07/31/2008] [Indexed: 11/30/2022]
Abstract
The search for markers to improve risk prediction for individuals at risk of developing serious cardiovascular events is ongoing. New markers of coronary artery disease progression have been identified in recent years, among which, circulating levels of pregnancy-associated plasma protein-A (PAPP-A) offer an interesting profile. PAPP-A may play a role in the development of atherosclerotic lesions and represent also a marker of atheromatous plaque instability and extent of cardiovascular disease. PAPP-A has been shown to be a marker of adverse outcome in both acute coronary syndrome and stable coronary disease patients. The present article reviews currently available evidence supporting a role for PAPP-A as a marker of cardiovascular risk and discusses some of the pitfalls that may limit its use in clinical practice.
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