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Shelbaya K, Arthur V, Yang Y, Dorbala P, Buckley L, Claggett B, Skali H, Dufresne L, Yang TY, Engert JC, Thanassoulis G, Floyd J, Austin TR, Bortnick A, Kizer J, Freitas RCC, Singh SA, Aikawa E, Hoogeveen RC, Ballantyne C, Yu B, Coresh J, Blaha MJ, Matsushita K, Shah AM. Large-Scale Proteomics Identifies Novel Biomarkers and Circulating Risk Factors for Aortic Stenosis. J Am Coll Cardiol 2024; 83:577-591. [PMID: 38296402 DOI: 10.1016/j.jacc.2023.11.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 11/06/2023] [Accepted: 11/08/2023] [Indexed: 02/08/2024]
Abstract
BACKGROUND Limited data exist regarding risk factors for aortic stenosis (AS). The plasma proteome is a promising phenotype for discovery of novel biomarkers and potentially causative mechanisms. OBJECTIVES The aim of this study was to discover novel biomarkers with potentially causal associations with AS. METHODS We measured 4,877 plasma proteins (SomaScan aptamer-affinity assay) among ARIC (Atherosclerosis Risk In Communities) study participants in mid-life (visit 3 [V3]; n = 11,430; age 60 ± 6 years) and in late-life (V5; n = 4,899; age 76 ± 5 years). We identified proteins cross-sectionally associated with aortic valve (AV) peak velocity (AVmax) and dimensionless index by echocardiography at V5 and with incident AV-related hospitalization after V3 with the use of multivariable linear and Cox proportional hazard regression. We assessed associations of candidate proteins with changes in AVmax over 6 years and with AV calcification with the use of cardiac computed tomography, replicated analysis in an independent sample, performed Mendelian randomization, and evaluated gene expression in explanted human AV tissue. RESULTS Fifty-two proteins cross-sectionally were associated with AVmax and dimensionless index at V5 and with risk of incident AV-related hospitalization after V3. Among 3,413 participants in the Cardiovascular Health Study, 6 of those proteins were significantly associated with adjudicated moderate or severe AS, including matrix metalloproteinase 12 (MMP12), complement C1q tumor necrosis factor-related protein 1 (C1QTNF1), and growth differentiation factor-15. MMP12 was also associated with greater increase in AVmax over 6 years, greater degree of AV calcification, and greater expression in calcific compared with normal or fibrotic AV tissue. C1QTNF1 had consistent potential causal effects on both AS and AVmax according to Mendelian randomization analysis. CONCLUSIONS These findings identify MMP12 as a potential novel circulating biomarker of AS risk and C1QTNF1 as a new putative target to prevent AS progression.
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Affiliation(s)
| | | | - Yimin Yang
- Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Pranav Dorbala
- Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Leo Buckley
- Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Brian Claggett
- Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Hicham Skali
- Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Line Dufresne
- McGill University Health Centre, Montreal, Quebec, Canada
| | - Ta-Yu Yang
- McGill University Health Centre, Montreal, Quebec, Canada
| | - James C Engert
- McGill University Health Centre, Montreal, Quebec, Canada
| | | | - James Floyd
- Cardiovascular Health Research Unit, Seattle, Washington, USA
| | - Thomas R Austin
- Cardiovascular Health Research Unit, Seattle, Washington, USA
| | - Anna Bortnick
- Montefiore Medical Center and Albert Einstein College of Medicine, Bronx, New York, USA
| | - Jorge Kizer
- Veterans Affairs Medical Center, San Francisco, California, USA
| | | | - Sasha A Singh
- Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Elena Aikawa
- Brigham and Women's Hospital, Boston, Massachusetts, USA
| | | | | | - Bing Yu
- University of Texas Health Science School of Public Health, Houston, Texas, USA
| | - Josef Coresh
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Michael J Blaha
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | | | - Amil M Shah
- Brigham and Women's Hospital, Boston, Massachusetts, USA; University of Texas Southwestern Medical Center, Dallas, Texas, USA.
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Drăgan A, Mateescu AD. Novel Biomarkers and Advanced Cardiac Imaging in Aortic Stenosis: Old and New. Biomolecules 2023; 13:1661. [PMID: 38002343 PMCID: PMC10669288 DOI: 10.3390/biom13111661] [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] [Received: 09/30/2023] [Revised: 11/12/2023] [Accepted: 11/15/2023] [Indexed: 11/26/2023] Open
Abstract
Currently, the symptomatic status and left ventricular ejection fraction (LVEF) play a crucial role in aortic stenosis (AS) assessment. However, the symptoms are often subjective, and LVEF is not a sensitive marker of left ventricle (LV) decompensation. Over the past years, the cardiac structure and function research on AS has increased due to advanced imaging modalities and potential therapies. New imaging parameters emerged as predictors of disease progression in AS. LV global longitudinal strain has proved useful for risk stratification in asymptomatic severe AS patients with preserved LVEF. The assessment of myocardial fibrosis by cardiac magnetic resonance is the most studied application and offers prognostic information on AS. Moreover, the usage of biomarkers in AS as objective measures of LV decompensation has recently gained more interest. The present review focuses on the transition from compensatory LV hypertrophy (H) to LV dysfunction and the biomarkers associated with myocardial wall stress, fibrosis, and myocyte death. Moreover, we discuss the potential impact of non-invasive imaging parameters for optimizing the timing of aortic valve replacement and provide insight into novel biomarkers for possible prognostic use in AS. However, data from randomized clinical trials are necessary to define their utility in daily practice.
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Affiliation(s)
- Anca Drăgan
- Department of Cardiovascular Anaesthesiology and Intensive Care, Emergency Institute for Cardiovascular Diseases “Prof Dr C C Iliescu”, 258 Fundeni Road, 022328 Bucharest, Romania
| | - Anca Doina Mateescu
- Department of Cardiology, Emergency Institute for Cardiovascular Diseases “Prof Dr C C Iliescu”, 258 Fundeni Road, 022328 Bucharest, Romania;
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Sarkar A, Chowdhury S, Kumar A, Khan B, Chowdhury S, Gupta R, Hajra A, Aronow WS. Biomarkers as Prognostic Markers for Aortic Stenosis: A Review. Am J Cardiol 2023; 206:53-59. [PMID: 37683577 DOI: 10.1016/j.amjcard.2023.08.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 07/25/2023] [Accepted: 08/01/2023] [Indexed: 09/10/2023]
Abstract
Aortic stenosis (AS) is the most frequent valvular heart disease among the older individuals. Current guidelines indicate intervention for patients with symptomatic or fast progressive severe AS and asymptomatic patients with a reduced left ventricular (LV) ejection fraction by 50%. Interestingly, myocardial damage may have already happened by the time symptoms appear or LV function deteriorates. Serum biomarkers can be an early indicator to show LV function decline and AS progression even before clinical symptom onset. Studies have shown that cardiac biomarkers have prognostic value in patients with AS. Hence, cardiac biomarkers can be helpful in determining the optimum time to intervene. Transcatheter aortic valve replacement is a less invasive alternative to conventional surgical aortic valve replacement. The elevation of cardiac biomarkers at discharge has been associated with 2-year mortality after transcatheter aortic valve replacement. The correlation between biomarkers and AS-associated morbidity and mortality is an area to explore further. The authors of this review article have discussed the role of cardiac biomarkers in patients with AS for better risk stratification and identification of patients who would benefit from early intervention.
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Affiliation(s)
- Ankit Sarkar
- Ruby General Hospital, Kolkata, West Bengal, India
| | | | | | - Baseer Khan
- Liaquat National Hospital, Karachi, Pakistan
| | | | - Rahul Gupta
- Lehigh Valley Health Network, Allentown, Pennsylvania
| | | | - Wilbert S Aronow
- New York Medical College at Westchester Medical Center, New York
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Angiopoietin-like 2 is essential to aortic valve development in mice. Commun Biol 2022; 5:1277. [PMID: 36414704 PMCID: PMC9681843 DOI: 10.1038/s42003-022-04243-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 11/09/2022] [Indexed: 11/24/2022] Open
Abstract
Aortic valve (AoV) abnormalities during embryogenesis are a major risk for the development of aortic valve stenosis (AVS) and cardiac events later in life. Here, we identify an unexpected role for Angiopoietin-like 2 (ANGPTL2), a pro-inflammatory protein secreted by senescent cells, in valvulogenesis. At late embryonic stage, mice knocked-down for Angptl2 (Angptl2-KD) exhibit a premature thickening of AoV leaflets associated with a dysregulation of the fine balance between cell apoptosis, senescence and proliferation during AoV remodeling and a decrease in the crucial Notch signalling. These structural and molecular abnormalities lead toward spontaneous AVS with elevated trans-aortic gradient in adult mice of both sexes. Consistently, ANGPTL2 expression is detected in human fetal semilunar valves and associated with pathways involved in cell cycle and senescence. Altogether, these findings suggest that Angptl2 is essential for valvulogenesis, and identify Angptl2-KD mice as an animal model to study spontaneous AVS, a disease with unmet medical need.
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Boxhammer E, Berezin AE, Paar V, Bacher N, Topf A, Pavlov S, Hoppe UC, Lichtenauer M. Severe Aortic Valve Stenosis and Pulmonary Hypertension: A Systematic Review of Non-Invasive Ways of Risk Stratification, Especially in Patients Undergoing Transcatheter Aortic Valve Replacement. J Pers Med 2022; 12:jpm12040603. [PMID: 35455719 PMCID: PMC9026430 DOI: 10.3390/jpm12040603] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 04/01/2022] [Accepted: 04/04/2022] [Indexed: 02/01/2023] Open
Abstract
Patients with severe aortic valve stenosis and concomitant pulmonary hypertension show a significantly reduced survival prognosis. Right heart catheterization as a preoperative diagnostic tool to determine pulmonary hypertension has been largely abandoned in recent years in favor of echocardiographic criteria. Clinically, determination of echocardiographically estimated systolic pulmonary artery pressure falls far short of invasive right heart catheterization data in terms of accuracy. The aim of the present systematic review was to highlight noninvasive possibilities for the detection of pulmonary hypertension in patients with severe aortic valve stenosis, with a special focus on cardiovascular biomarkers. A total of 525 publications regarding echocardiography, cardiovascular imaging and biomarkers related to severe aortic valve stenosis and pulmonary hypertension were analyzed in a systematic database analysis using PubMed Central®. Finally, 39 publications were included in the following review. It was shown that the current scientific data situation, especially regarding cardiovascular biomarkers as non-invasive diagnostic tools for the determination of pulmonary hypertension in severe aortic valve stenosis patients, is poor. Thus, there is a great scientific potential to combine different biomarkers (biomarker scores) in a non-invasive way to determine the presence or absence of PH.
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Affiliation(s)
- Elke Boxhammer
- Department of Internal Medicine II, Division of Cardiology, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria; (E.B.); (V.P.); (N.B.); (A.T.); (U.C.H.)
| | - Alexander E. Berezin
- Internal Medicine Department, State Medical University of Zaporozhye, 69035 Zaporozhye, Ukraine;
| | - Vera Paar
- Department of Internal Medicine II, Division of Cardiology, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria; (E.B.); (V.P.); (N.B.); (A.T.); (U.C.H.)
| | - Nina Bacher
- Department of Internal Medicine II, Division of Cardiology, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria; (E.B.); (V.P.); (N.B.); (A.T.); (U.C.H.)
| | - Albert Topf
- Department of Internal Medicine II, Division of Cardiology, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria; (E.B.); (V.P.); (N.B.); (A.T.); (U.C.H.)
| | - Sergii Pavlov
- Department of Clinical Laboratory Diagnostics, State Medical University of Zaporozhye, 69035 Zaporozhye, Ukraine;
| | - Uta C. Hoppe
- Department of Internal Medicine II, Division of Cardiology, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria; (E.B.); (V.P.); (N.B.); (A.T.); (U.C.H.)
| | - Michael Lichtenauer
- Department of Internal Medicine II, Division of Cardiology, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria; (E.B.); (V.P.); (N.B.); (A.T.); (U.C.H.)
- Correspondence:
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Thioredoxin-1 and Correlations of the Plasma Cytokines Regarding Aortic Valve Stenosis Severity. Biomedicines 2021; 9:biomedicines9081041. [PMID: 34440245 PMCID: PMC8391645 DOI: 10.3390/biomedicines9081041] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 08/10/2021] [Accepted: 08/16/2021] [Indexed: 12/21/2022] Open
Abstract
Aortic valve stenosis (AS) develops not only with a pronounced local inflammatory response, but also oxidative stress is involved. The aim of this study was to evaluate the plasma levels of thioredoxin-1 (TRX1), myeloperoxidase (MPO), chemerin, growth differentiation factor 15 (GDF-15), angiopoietin-2 (Ang-2), vascular endothelial growth factor A (VEGF-A), fibroblast growth factor 2 (FGF-2), fibroblast growth factor 21 (FGF-21), and metalloproteinase (MMP)-1, -3, and -9 in acquired AS patients as well as to clarify the correlations of TXR1 and the plasma inflammatory biomarkers regarding AS severity. AS patients were classified into three groups: 16 patients with mild AS stenosis, 19 with moderate and 11 with severe AS, and 30 subjects without AS were selected as a control group. AS patients had significantly higher plasma levels of TRX1 compared to controls, but the highest difference was found in mild AS patients compared to the controls. We conclude that AS is associated with significantly increased plasma TRX1 levels, and TRX1 might serve as a specific and sensitive biomarker of AS. TRX1 and also chemerin, GDF-15, VEGF-A, FGF-2 and FGF-21 significantly correlate with AS severity degrees. TRX1 also showed positive association with FGF-2, VEGF-A, and MMP-3 in all AS patients.
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