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Katsioupa M, Kourampi I, Oikonomou E, Tsigkou V, Theofilis P, Charalambous G, Marinos G, Gialamas I, Zisimos K, Anastasiou A, Katsianos E, Kalogeras K, Katsarou O, Vavuranakis M, Siasos G, Tousoulis D. Novel Biomarkers and Their Role in the Diagnosis and Prognosis of Acute Coronary Syndrome. Life (Basel) 2023; 13:1992. [PMID: 37895374 PMCID: PMC10608753 DOI: 10.3390/life13101992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 09/23/2023] [Accepted: 09/28/2023] [Indexed: 10/29/2023] Open
Abstract
The burden of cardiovascular diseases and the critical role of acute coronary syndrome (ACS) in their progression underscore the need for effective diagnostic and prognostic tools. Biomarkers have emerged as crucial instruments for ACS diagnosis, risk stratification, and prognosis assessment. Among these, high-sensitivity troponin (hs-cTn) has revolutionized ACS diagnosis due to its superior sensitivity and negative predictive value. However, challenges regarding specificity, standardization, and interpretation persist. Beyond troponins, various biomarkers reflecting myocardial injury, neurohormonal activation, inflammation, thrombosis, and other pathways are being explored to refine ACS management. This review article comprehensively explores the landscape of clinically used biomarkers intricately involved in the pathophysiology, diagnosis, and prognosis of ACS (i.e., troponins, creatine kinase MB (CK-MB), B-type natriuretic peptides (BNP), copeptin, C-reactive protein (CRP), interleukin-6 (IL-6), d-dimers, fibrinogen), especially focusing on the prognostic role of natriuretic peptides and of inflammatory indices. Research data on novel biomarkers (i.e., endocan, galectin, soluble suppression of tumorigenicity (sST2), microRNAs (miRNAs), soluble oxidized low-density lipoprotein receptor-1 (sLOX-1), F2 isoprostanes, and growth differentiation factor 15 (GDF-15)) are further analyzed, aiming to shed light on the multiplicity of pathophysiologic mechanisms implicated in the evolution of ACS. By elucidating the complex interplay of these biomarkers in ACS pathophysiology, diagnosis, and outcomes, this review aims to enhance our understanding of the evolving trajectory and advancements in ACS management. However, further research is necessary to establish the clinical utility and integration of these biomarkers into routine practice to improve patient outcomes.
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Affiliation(s)
- Maria Katsioupa
- 3rd Department of Cardiology, Thoracic Diseases General Hospital “Sotiria”, National and Kapodistrian University of Athens, 11527 Athens, Greece; (M.K.); (I.K.); (E.O.); (V.T.); (I.G.); (K.Z.); (A.A.); (E.K.); (K.K.); (O.K.); (M.V.)
| | - Islam Kourampi
- 3rd Department of Cardiology, Thoracic Diseases General Hospital “Sotiria”, National and Kapodistrian University of Athens, 11527 Athens, Greece; (M.K.); (I.K.); (E.O.); (V.T.); (I.G.); (K.Z.); (A.A.); (E.K.); (K.K.); (O.K.); (M.V.)
| | - Evangelos Oikonomou
- 3rd Department of Cardiology, Thoracic Diseases General Hospital “Sotiria”, National and Kapodistrian University of Athens, 11527 Athens, Greece; (M.K.); (I.K.); (E.O.); (V.T.); (I.G.); (K.Z.); (A.A.); (E.K.); (K.K.); (O.K.); (M.V.)
| | - Vasiliki Tsigkou
- 3rd Department of Cardiology, Thoracic Diseases General Hospital “Sotiria”, National and Kapodistrian University of Athens, 11527 Athens, Greece; (M.K.); (I.K.); (E.O.); (V.T.); (I.G.); (K.Z.); (A.A.); (E.K.); (K.K.); (O.K.); (M.V.)
| | - Panagiotis Theofilis
- 1st Department of Cardiology, “Hippokration” General Hospital, National and Kapodistrian University of Athens, 11527 Athens, Greece; (P.T.); (D.T.)
| | - Georgios Charalambous
- Department of Emergency Medicine, “Hippokration” General Hospital, National and Kapodistrian University of Athens, 11527 Athens, Greece;
| | - George Marinos
- Department of Hygiene, Epidemiology and Medical Statistics, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece;
| | - Ioannis Gialamas
- 3rd Department of Cardiology, Thoracic Diseases General Hospital “Sotiria”, National and Kapodistrian University of Athens, 11527 Athens, Greece; (M.K.); (I.K.); (E.O.); (V.T.); (I.G.); (K.Z.); (A.A.); (E.K.); (K.K.); (O.K.); (M.V.)
| | - Konstantinos Zisimos
- 3rd Department of Cardiology, Thoracic Diseases General Hospital “Sotiria”, National and Kapodistrian University of Athens, 11527 Athens, Greece; (M.K.); (I.K.); (E.O.); (V.T.); (I.G.); (K.Z.); (A.A.); (E.K.); (K.K.); (O.K.); (M.V.)
| | - Artemis Anastasiou
- 3rd Department of Cardiology, Thoracic Diseases General Hospital “Sotiria”, National and Kapodistrian University of Athens, 11527 Athens, Greece; (M.K.); (I.K.); (E.O.); (V.T.); (I.G.); (K.Z.); (A.A.); (E.K.); (K.K.); (O.K.); (M.V.)
| | - Efstratios Katsianos
- 3rd Department of Cardiology, Thoracic Diseases General Hospital “Sotiria”, National and Kapodistrian University of Athens, 11527 Athens, Greece; (M.K.); (I.K.); (E.O.); (V.T.); (I.G.); (K.Z.); (A.A.); (E.K.); (K.K.); (O.K.); (M.V.)
| | - Konstantinos Kalogeras
- 3rd Department of Cardiology, Thoracic Diseases General Hospital “Sotiria”, National and Kapodistrian University of Athens, 11527 Athens, Greece; (M.K.); (I.K.); (E.O.); (V.T.); (I.G.); (K.Z.); (A.A.); (E.K.); (K.K.); (O.K.); (M.V.)
| | - Ourania Katsarou
- 3rd Department of Cardiology, Thoracic Diseases General Hospital “Sotiria”, National and Kapodistrian University of Athens, 11527 Athens, Greece; (M.K.); (I.K.); (E.O.); (V.T.); (I.G.); (K.Z.); (A.A.); (E.K.); (K.K.); (O.K.); (M.V.)
| | - Manolis Vavuranakis
- 3rd Department of Cardiology, Thoracic Diseases General Hospital “Sotiria”, National and Kapodistrian University of Athens, 11527 Athens, Greece; (M.K.); (I.K.); (E.O.); (V.T.); (I.G.); (K.Z.); (A.A.); (E.K.); (K.K.); (O.K.); (M.V.)
| | - Gerasimos Siasos
- 3rd Department of Cardiology, Thoracic Diseases General Hospital “Sotiria”, National and Kapodistrian University of Athens, 11527 Athens, Greece; (M.K.); (I.K.); (E.O.); (V.T.); (I.G.); (K.Z.); (A.A.); (E.K.); (K.K.); (O.K.); (M.V.)
| | - Dimitris Tousoulis
- 1st Department of Cardiology, “Hippokration” General Hospital, National and Kapodistrian University of Athens, 11527 Athens, Greece; (P.T.); (D.T.)
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A Fiber-Based SPR Aptasensor for the In Vitro Detection of Inflammation Biomarkers. MICROMACHINES 2022; 13:mi13071036. [PMID: 35888854 PMCID: PMC9317006 DOI: 10.3390/mi13071036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 06/27/2022] [Accepted: 06/27/2022] [Indexed: 02/04/2023]
Abstract
It is widely accepted that the abnormal concentrations of different inflammation biomarkers can be used for the early diagnosis of cardiovascular disease (CVD). Currently, many reported strategies, which require extra report tags or bulky detection equipment, are not portable enough for onsite inflammation biomarker detection. In this work, a fiber-based surface plasmon resonance (SPR) biosensor decorated with DNA aptamers, which were specific to two typical inflammation biomarkers, C-reactive protein (CRP) and cardiac troponin I (cTn-I), was developed. By optimizing the surface concentration of the DNA aptamer, the proposed sensor could achieve a limit of detection (LOD) of 1.7 nM (0.204 μg/mL) and 2.5 nM (57.5 ng/mL) to CRP and cTn-I, respectively. Additionally, this biosensor could also be used to detect other biomarkers by immobilizing corresponding specific DNA aptamers. Integrated with a miniaturized spectral analysis device, the proposed sensor could be applied for constructing a portable instrument to provide the point of care testing (POCT) for CVD patients.
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Suresh V, Byers K, Rajesh UC, Caiazza F, Zhu G, Craik CS, Kirkwood K, Davisson VJ, Sheik DA. Translation of a Protease Turnover Assay for Clinical Discrimination of Mucinous Pancreatic Cysts. Diagnostics (Basel) 2022; 12:diagnostics12061343. [PMID: 35741154 PMCID: PMC9222202 DOI: 10.3390/diagnostics12061343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 05/23/2022] [Accepted: 05/25/2022] [Indexed: 11/29/2022] Open
Abstract
The classification of pancreatic cyst fluids can provide a basis for the early detection of pancreatic cancer while eliminating unnecessary procedures. A candidate biomarker, gastricsin (pepsin C), was found to be present in potentially malignant mucinous pancreatic cyst fluids. A gastricsin activity assay using a magnetic bead-based platform has been developed using immobilized peptide substrates selective for gastricsin bearing a dimeric rhodamine dye. The unique dye structure allows quantitation of enzyme-cleaved product by both fluorescence and surface enhanced Raman spectroscopy (SERS). The performance of this assay was compared with ELISA assays of pepsinogen C and the standard of care, carcinoembryonic antigen (CEA), in the same clinical sample cohort. A retrospective cohort of mucinous (n = 40) and non-mucinous (n = 29) classes of pancreatic cyst fluid samples were analyzed using the new protease activity assay. For both assay detection modes, successful differentiation of mucinous and non-mucinous cyst fluid was achieved using 1 µL clinical samples. The activity-based assays in combination with CEA exhibit optimal sensitivity and specificity of 87% and 93%, respectively. The use of this gastricsin activity assay requires a minimal volume of clinical specimen, offers a rapid assay time, and shows improvements in the differentiation of mucinous and non-mucinous cysts using an accurate standardized readout of product formation, all without interfering with the clinical standard of care.
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Affiliation(s)
- Vallabh Suresh
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University College of Pharmacy, West Lafayette, IN 47907, USA; (V.S.); (V.J.D.)
| | - Kaleb Byers
- Amplified Sciences, Inc., West Lafayette, IN 47906, USA; (K.B.); (U.C.R.)
| | | | - Francesco Caiazza
- Alaunus Biosciences, Inc., San Francisco, CA 94107, USA;
- Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94143, USA;
| | - Gina Zhu
- Department of Surgery, University of California, San Francisco, CA 94143, USA; (G.Z.); (K.K.)
| | - Charles S. Craik
- Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94143, USA;
| | - Kimberly Kirkwood
- Department of Surgery, University of California, San Francisco, CA 94143, USA; (G.Z.); (K.K.)
| | - Vincent Jo Davisson
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University College of Pharmacy, West Lafayette, IN 47907, USA; (V.S.); (V.J.D.)
- Amplified Sciences, Inc., West Lafayette, IN 47906, USA; (K.B.); (U.C.R.)
| | - Daniel A. Sheik
- Amplified Sciences, Inc., West Lafayette, IN 47906, USA; (K.B.); (U.C.R.)
- Correspondence:
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Shrestha DB, Jasaraj RB, Dhital R, Georges E, Havrylyan A. A Diagnostic Enigma of Central Versus Nephrogenic Diabetes Insipidus: What Does the Value of Copeptin Signify? Cureus 2022; 14:e22633. [PMID: 35371639 PMCID: PMC8959102 DOI: 10.7759/cureus.22633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 02/25/2022] [Indexed: 11/09/2022] Open
Abstract
Diabetes insipidus (DI) is a rare disease characterized by hypotonic urine output and polydipsia. We report the case of a 50-year-old male admitted for diabetic ketoacidosis (DKA) in an intensive care unit with sepsis and alcoholic pancreatitis who later developed DI. He had a high copeptin level of >21.4 pmol/L, suggesting DI of nephrogenic origin. At presentation, he had DKA-associated osmotic diuresis. His later finding of elevated copeptin suggesting partial nephrogenic DI created a diagnostic enigma.
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Zhang R, Hong Y, Shi J, Zhao R, Song Y, Li Z, Wang Q. Analytical characterization and clinical performance evaluation of a new point-of-care testing system for high-sensitivity cardiac troponin I assay. Ann Clin Biochem 2021; 58:579-585. [PMID: 34120481 DOI: 10.1177/00045632211027604] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND We aimed to evaluate the analytical performance and clinical diagnostic accuracy of the SuperFlex point-of-care testing (POCT) high-sensitivity cardiac troponin I (hs-cTnI) assay system. METHOD The imprecision, the limit of blank, the limit of detection, the limit of quantitation, linearity and comparability were assessed as per the Clinical and Laboratory Standards Institute guidelines. Also, the 99th-percentile reference value and diagnostic accuracy were evaluated. RESULTS The reproducibility and total imprecision were 1.52-1.92% and 2.69-2.92%, respectively. Limit of blank and limit of detection were 1 ng/L and 1.8 ng/L, respectively, and limit of quantitation was 12 ng/L at 10% coefficient of variation (CV). The results met the requirements of linearity, and the correlation coefficient was 0.996. The SuperFlex POCT results had good agreement with those obtained by the Siemens Advia 2400. The CV% was 7.24% at the 99th percentile concentration (p99th) of 25.6 ng/L (95% confidence interval: 22.0-33.3 ng/L) from 620 healthy subjects. The sex-partitioned CV% and p99th were 7.15% at 27 ng/L (males; n = 308) and 7.35% at 24 ng/L (females; n = 312), respectively (P < 0.0001). The hs-cTnI detection rate of all observed healthy individuals from limit of detection to 99th was 82.57% by the SuperFlex POCT assay, 89.90% for the males and 75.48% for the females. The sensitivity, specificity, positive predictive value and negative predictive value of diagnostic performance for acute myocardial infarction were 100%, 81.25%, 57% and 100%, respectively. CONCLUSIONS The SuperFlex POCT system showed the analytical performance characteristics required for enabling the clinical use of a hs-cTnI assay.
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Affiliation(s)
- Rui Zhang
- Department of Clinical Laboratory, Beijing Chao-yang Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Yueyu Hong
- Department of Clinical Laboratory, Beijing Chao-yang Hospital, Capital Medical University, Beijing, People's Republic of China
- Beijing Center for Clinical Laboratories, Beijing, China
| | - Jie Shi
- Department of Clinical Laboratory, Beijing Chao-yang Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Rui Zhao
- Department of Clinical Laboratory, Beijing Chao-yang Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Yichuan Song
- Department of Clinical Laboratory, Beijing Chao-yang Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Ziyao Li
- Department of Clinical Laboratory, Beijing Chao-yang Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Qingtao Wang
- Department of Clinical Laboratory, Beijing Chao-yang Hospital, Capital Medical University, Beijing, People's Republic of China
- Beijing Center for Clinical Laboratories, Beijing, China
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Cernadas T, Santos M, Gonçalves F, Alves P, Correia T, Correia I, Ferreira P. Functionalized polyester-based materials as UV curable adhesives. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.08.023] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Sun Q, Welsh KJ, Bruns DE, Sacks DB, Zhao Z. Inadequate Reporting of Analytical Characteristics of Biomarkers Used in Clinical Research: A Threat to Interpretation and Replication of Study Findings. Clin Chem 2019; 65:1554-1562. [PMID: 31672858 DOI: 10.1373/clinchem.2019.309575] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Accepted: 08/15/2019] [Indexed: 01/04/2023]
Abstract
BACKGROUND Analytical characteristics of methods to measure biomarkers determine how well the methods measure what they claim to measure. Transparent reporting of analytical characteristics allows readers to assess the validity and generalizability of clinical studies in which biomarkers are used. Our aims were to assess the reporting of analytical characteristics of biomarkers used in clinical research and to evaluate the extent of reported characterization procedures for assay precision. METHODS We searched 5 medical journals (Annals of Internal Medicine, JAMA: The Journal of the American Medical Association, The Lancet, The New England Journal of Medicine, and PLOS Medicine) over a 10-year period for the term "biomarker" in the full-text field. We included studies in which biomarkers were used for inclusion/exclusion of study participants, for patient classification, or as a study outcome. We tabulated the frequencies of reporting of 11 key analytical characteristics (such as analytical accuracy of test results) in the included studies. RESULTS A total of 544 studies and 1299 biomarker uses met the inclusion criteria. No information on analytical characteristics was reported for 67% of the biomarkers. For 65 biomarkers (3%), ≥4 characteristics were reported (range, 4-8). The manufacturer of the measurement procedure could not be determined for 688 (53%) of the 1299 biomarkers. The extent of assessments of assay imprecision, when reported, did not meet expectations for clinical use of biomarkers. CONCLUSIONS Reporting of the analytical performance of biomarker measurements is variable and often absent from published clinical studies. We suggest that readers need fuller reporting of analytical characteristics to interpret study results, assess generalizability of conclusions, and compare results among clinical studies.
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Affiliation(s)
- Qian Sun
- Department of Laboratory Medicine, Clinical Center, NIH, Bethesda, MD
| | - Kerry J Welsh
- Department of Laboratory Medicine, Clinical Center, NIH, Bethesda, MD
| | - David E Bruns
- Department of Pathology, University of Virginia, Charlottesville, VA
| | - David B Sacks
- Department of Laboratory Medicine, Clinical Center, NIH, Bethesda, MD;
| | - Zhen Zhao
- Department of Laboratory Medicine, Clinical Center, NIH, Bethesda, MD; .,Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY
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Short-term and long-term prognostic value of circulating soluble suppression of tumorigenicity-2 concentration in acute coronary syndrome: a meta-analysis. Biosci Rep 2019; 39:BSR20182441. [PMID: 31092701 PMCID: PMC6549088 DOI: 10.1042/bsr20182441] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2018] [Revised: 03/28/2019] [Accepted: 04/23/2019] [Indexed: 12/21/2022] Open
Abstract
Background: Higher circulating soluble suppression of tumorigenicity-2 (sST2) concentration is suggested as a marker of prognosis in many cardiovascular diseases. However, the short-term and long-term prognostic value of sST2 concentration in acute coronary syndrome (ACS) remains to be summarized.Methods: A meta-analysis of follow-up studies was performed. Studies were identified via systematic search of databases including PubMed, Cochrane's Library, and Embase. A fixed- or random-effect model was applied according to the heterogeneity. We reported the prognostic value of sST2 concentration for all-cause mortality, heart failure (HF) events, and major adverse cardiovascular events (MACEs) within 1 month after hospitalization and during subsequent follow-up.Results: Twelve studies with 11690 ACS patients were included. Higher baseline sST2 concentration as continuous variables predicte the increased risk of all-cause mortality (risk ratio [RR]: 3.16, P=0.002), HF events (RR: 1.48, P<0.001), and MACEs (RR: 1.47, P<0.001) within 1 month after hospitalization, which is consistent with the results with sST2 concentration as categorized variables (RR = 2.14, 2.89, and 2.89 respectively, P all <0.001). Moreover, higher baseline sST2 concentration as continuous variables predict the increased risk of all-cause mortality (RR: 2.20, P<0.001), HF events (RR: 1.39, P<0.001), and MACEs (RR: 1.53, P=0.02) during subsequent follow-up. Meta-analysis with sST2 concentration as categorized variables retrieved similar results (RR = 2.65, 2.59, and 1.81 respectively, P all <0.001).Conclusions: Higher circulating sST2 concentration at baseline predicts poor clinical outcome in ACS patients.
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