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Zeder K, Siew ED, Kovacs G, Brittain EL, Maron BA. Pulmonary hypertension and chronic kidney disease: prevalence, pathophysiology and outcomes. Nat Rev Nephrol 2024:10.1038/s41581-024-00857-7. [PMID: 38890546 DOI: 10.1038/s41581-024-00857-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/30/2024] [Indexed: 06/20/2024]
Abstract
Pulmonary hypertension (PH) is common in patients with chronic kidney disease (CKD) or kidney failure, with an estimated prevalence of up to 78% in those referred for right-heart catheterization. PH is independently associated with adverse outcomes in CKD, raising the possibility that early detection and appropriate management of PH might improve outcomes in at-risk patients. Among patients with PH, the prevalence of CKD stages 3 and 4 is estimated to be as high as 36%, and CKD is also independently associated with adverse outcomes. However, the complex, heterogenous pathophysiology and clinical profile of CKD-PH requires further characterization. CKD is often associated with elevated left ventricular filling pressure and volume overload, which presumably leads to pulmonary vascular stiffening and post-capillary PH. By contrast, a distinct subgroup of patients at high risk is characterized by elevated pulmonary vascular resistance and right ventricular dysfunction in the absence of pulmonary venous hypertension, which may represent a right-sided cardiorenal syndrome defined in principle by hypervolaemia, salt avidity, low cardiac output and normal left ventricular function. Current understanding of CKD-PH is limited, despite its potentially important ramifications for clinical decision making. In particular, whether PH should be considered when determining the suitability and timing of kidney replacement therapy or kidney transplantation is unclear. More research is urgently needed to address these knowledge gaps and improve the outcomes of patients with or at risk of CKD-PH.
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Affiliation(s)
- Katarina Zeder
- Division of Cardiovascular Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
- Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria
- Division of Cardiovascular Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
- Division of Pulmonology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
- The University of Maryland-Institute for Health Computing, Bethesda, MD, USA
| | - Edward D Siew
- Division of Nephrology and Hypertension, Vanderbilt Center for Kidney Disease and Integrated Program for Acute Kidney Injury, Nashville, TN, USA
| | - Gabor Kovacs
- Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria
- Division of Pulmonology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Evan L Brittain
- Department of Medicine, Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Bradley A Maron
- Division of Cardiovascular Medicine, University of Maryland School of Medicine, Baltimore, MD, USA.
- The University of Maryland-Institute for Health Computing, Bethesda, MD, USA.
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Dennis MR, Pires PW, Banek CT. Vascular Dysfunction in Polycystic Kidney Disease: A Mini-Review. J Vasc Res 2023; 60:125-136. [PMID: 37536302 PMCID: PMC10947982 DOI: 10.1159/000531647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 06/10/2023] [Indexed: 08/05/2023] Open
Abstract
Polycystic kidney disease (PKD) is one of the most common hereditary kidney diseases, which is characterized by progressive cyst growth and secondary hypertension. In addition to cystogenesis and renal abnormalities, patients with PKD can develop vascular abnormalities and cardiovascular complications. Progressive cyst growth substantially alters renal structure and culminates into end-stage renal disease. There remains no cure beyond renal transplantation, and treatment options remain largely limited to chronic renal replacement therapy. In addition to end-stage renal disease, patients with PKD also present with hypertension and cardiovascular disease, yet the timing and interactions between the cardiovascular and renal effects of PKD progression are understudied. Here, we review the vascular dysfunction found in clinical and preclinical models of PKD, including the clinical manifestations and relationship to hypertension, stroke, and related cardiovascular diseases. Finally, our discussion also highlights the critical questions and emerging areas in vascular research in PKD.
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Affiliation(s)
- Melissa R Dennis
- Department of Physiology, University of Arizona Health Sciences Center, Tucson, Arizona, USA
| | - Paulo W Pires
- Department of Physiology, University of Arizona Health Sciences Center, Tucson, Arizona, USA
| | - Christopher T Banek
- Department of Physiology, University of Arizona Health Sciences Center, Tucson, Arizona, USA
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3
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Vasileva VY, Sultanova RF, Sudarikova AV, Ilatovskaya DV. Insights Into the Molecular Mechanisms of Polycystic Kidney Diseases. Front Physiol 2021; 12:693130. [PMID: 34566674 PMCID: PMC8456103 DOI: 10.3389/fphys.2021.693130] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 08/10/2021] [Indexed: 12/18/2022] Open
Abstract
Autosomal dominant (AD) and autosomal recessive (AR) polycystic kidney diseases (PKD) are severe multisystem genetic disorders characterized with formation and uncontrolled growth of fluid-filled cysts in the kidney, the spread of which eventually leads to the loss of renal function. Currently, there are no treatments for ARPKD, and tolvaptan is the only FDA-approved drug that alleviates the symptoms of ADPKD. However, tolvaptan has only a modest effect on disease progression, and its long-term use is associated with many side effects. Therefore, there is still a pressing need to better understand the fundamental mechanisms behind PKD development. This review highlights current knowledge about the fundamental aspects of PKD development (with a focus on ADPKD) including the PC1/PC2 pathways and cilia-associated mechanisms, major molecular cascades related to metabolism, mitochondrial bioenergetics, and systemic responses (hormonal status, levels of growth factors, immune system, and microbiome) that affect its progression. In addition, we discuss new information regarding non-pharmacological therapies, such as dietary restrictions, which can potentially alleviate PKD.
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Affiliation(s)
| | - Regina F Sultanova
- Saint-Petersburg State Chemical Pharmaceutical University, St. Petersburg, Russia.,Department of Physiology, Augusta University, Augusta, GA, United States
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Latosinska A, Siwy J, Faguer S, Beige J, Mischak H, Schanstra JP. Value of Urine Peptides in Assessing Kidney and Cardiovascular Disease. Proteomics Clin Appl 2021; 15:e2000027. [PMID: 32710812 DOI: 10.1002/prca.202000027] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 05/18/2020] [Indexed: 12/14/2022]
Abstract
Urinary peptides gained significant attention as potential biomarkers especially in the context of kidney and cardiovascular disease. In this manuscript the recent literature since 2015 on urinary peptide investigation in human kidney and cardiovascular disease is reviewed. The technology most commonly used in this context is capillary electrophoresis coupled mass spectrometry, in part owed to the large database available and the well-defined dataspace. Several studies based on over 1000 subjects are reported in the recent past, especially examining CKD273, a classifier for assessment of chronic kidney disease based on 273 urine peptides. Interestingly, the most abundant urinary peptides are generally collagen fragments, which may have gone undetected for some time as they are typically modified via proline hydroxylation. The data available suggest that urinary peptides specifically depict inflammation and fibrosis, and may serve as a non-invasive tool to assess fibrosis, which appears to be a key driver in kidney and cardiovascular disease. The recent successful completion of the first urinary peptide guided intervention trial, PRIORITY, is expected to further spur clinical application of urinary peptidomics, aiming especially at early detection of chronic diseases, prediction of progression, and prognosis of drug response.
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Affiliation(s)
| | - Justyna Siwy
- Mosaiques Diagnostics GmbH, Rotenburger Straße 20, 30659, Hannover, Germany
| | - Stanislas Faguer
- Département de Néphrologie et Transplantation d'organes, Centre de référence des maladies rénales rares, Centre Hospitalier Universitaire de Toulouse, 1, Avenue Jean Poulhes, Toulouse, 31059, France
- Institut National de la Santé et de la Recherche Médicale (INSERM), U1048, Institut of Cardiovascular and Metabolic Disease, 1 Avenue Jean Poulhès, BP 84225, Toulouse Cedex 4, 31432, France
- Université Toulouse III Paul-Sabatier, Route de Narbonne, Toulouse, 31330, France
| | - Joachim Beige
- Department of Nephrology and Kuratorium for Dialysis and Transplantation Renal Unit, Hospital St Georg, Delitzscher Str. 141, 04129, Leipzig, Germany
- Department of Nephrology, Martin-Luther-University Halle/Wittenberg, Universitätsplatz 10, 06108, Halle (Saale), Germany
| | - Harald Mischak
- Mosaiques Diagnostics GmbH, Rotenburger Straße 20, 30659, Hannover, Germany
| | - Joost P Schanstra
- Institut National de la Santé et de la Recherche Médicale (INSERM), U1048, Institut of Cardiovascular and Metabolic Disease, 1 Avenue Jean Poulhès, BP 84225, Toulouse Cedex 4, 31432, France
- Université Toulouse III Paul-Sabatier, Route de Narbonne, Toulouse, 31330, France
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Li H, Wang B, Li D, Li J, Luo Y, Dan J. Roles of telomeres and telomerase in age‑related renal diseases (Review). Mol Med Rep 2020; 23:96. [PMID: 33300081 PMCID: PMC7723152 DOI: 10.3892/mmr.2020.11735] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Accepted: 10/30/2020] [Indexed: 01/20/2023] Open
Abstract
Age‑related renal diseases, which account for various progressive renal disorders associated with cellular and organismal senescence, are becoming a substantial public health burden. However, their aetiologies are complicated and their pathogeneses remain poorly understood. Telomeres and telomerase are known to be essential for maintaining the integrity and stability of eukaryotic genomes and serve crucial roles in numerous related signalling pathways that activate renal functions, such as repair and regeneration. Previous studies have reported that telomere dysfunction served a role in various types of age‑related kidney disease through various different molecular pathways. The present review aimed to summarise the current knowledge of the association between telomeres and ageing‑related kidney diseases and explored the contribution of dysfunctional telomeres to these diseases. The findings may help to provide novel strategies for treating patients with renal disease.
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Affiliation(s)
- Haili Li
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming, Yunnan 650500, P.R. China
| | - Boyuan Wang
- The Key Lab of Sports and Rehabilitation, Faculty of Physical Education, Yuxi Normal University, Yuxi, Yunnan 653100, P.R. China
| | - Daoqun Li
- Department of Human Anatomy, School of Basic Medicine and Institute of Basic Medicine, Shandong First Medical University and Shandong Academy of Medical Science, Jinan, Shandong 250014, P.R. China
| | - Jinyuan Li
- Department of General Surgery, Kunming University of Science and Technology, Kunming, Yunnan 650500, P.R. China
| | - Ying Luo
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming, Yunnan 650500, P.R. China
| | - Juhua Dan
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming, Yunnan 650500, P.R. China
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Alcendor DJ. Dysregulation of Endothelin-1: Implications for Health Disparities in Alzheimer's Disease. J Pers Med 2020; 10:E199. [PMID: 33126567 PMCID: PMC7712547 DOI: 10.3390/jpm10040199] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 10/24/2020] [Accepted: 10/26/2020] [Indexed: 02/07/2023] Open
Abstract
Alzheimer's disease (AD) and related dementias disproportionately impact racial and ethnic minorities. The racial and ethnic disparities in AD could be explained by differences in cerebral vascular disease pathology. Endothelin-1 (ET-1) is a potent vasoconstrictive peptide that regulates smooth muscle, endothelial cell, and pericyte contractions that may result in cerebral vascular constriction, leading to cerebral hypoperfusion; over time, ET-1 may result in neuronal injury contributing to the pathology of AD. Upregulation of the ET-1 system has been observed in African Americans when compared with non-Hispanic Whites. The role of the ET-1 system as a driver of ethnic disparities in AD requires further investigation. Targeting of the ET-1 system as a therapeutic intervention that could impact AD progression also needs further study. Dysregulation of ET-1 in Hispanic/Latino populations largely have been unexplored. Genetics linking ET-1 dysregulation and racial disparities in AD also needs further investigation. In this review, I examine how AD effects underserved minority populations and how dysregulation of the ET-1 system specifically predisposes ethnic minorities to AD. In addition, I examine the molecular interactions of the ET-1 system and amyloid beta, the role the ET-1 system in neurodegeneration, potential therapeutics for ET-1 dysregulation, and the impact on AD progression.
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Affiliation(s)
- Donald J Alcendor
- Center for AIDS Health Disparities Research, Department of Microbiology, Immunology and Physiology, School of Medicine, Meharry Medical College, Nashville, TN 37208, USA
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Raina R, Chauvin A, Chakraborty R, Nair N, Shah H, Krishnappa V, Kusumi K. The Role of Endothelin and Endothelin Antagonists in Chronic Kidney Disease. KIDNEY DISEASES 2019; 6:22-34. [PMID: 32021871 DOI: 10.1159/000504623] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 10/30/2019] [Indexed: 12/21/2022]
Abstract
Background Endothelins (ET) are a family of peptides that act as potent vasoconstrictors and pro-fibrotic growth factors. ET-1 is integral to renal and cardiovascular pathophysiology and exerts effects via autocrine, paracrine and endocrine signaling pathways tied to regulation of aldosterone, catecholamines, and angiotensin. In the kidney, ET-1 is critical to maintaining renal perfusion and controls glomerular arteriole tone and hemodynamics. It is hypothesized that ET-1 influences the progression of chronic kidney disease (CKD), and the objective of this review is to discuss the pathophysiology, and role of ET and endothelin receptor antagonists (ERAs) in CKD. Summary The use of ERAs in hypertensive nephropathy has the potential to decrease proteinuria, and in diabetic nephropathy has the potential to restore glycocalyx thickness, also decreasing proteinuria. Focal segmental glomerular sclerosis has no specific Food and Drug Administration-approved therapy currently, however, ERAs show promise in decreasing proteinuria and slowing tissue damage. ET-1 is a potential biomarker for autosomal dominant polycystic kidney disease progression and so it is thought that ERAs may be of some therapeutic benefit. Key Messages Multiple studies have shown the utility of ERAs in CKD. These agents have shown to reduce blood pressure, proteinuria, and arterial stiffness. However, more clinical trials are needed, and the results of active or recently concluded studies are eagerly awaited.
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Affiliation(s)
- Rupesh Raina
- Department of Nephrology, Cleveland Clinic Akron General/Akron Nephrology Associates, Akron, Ohio, USA.,Akron Children's Hospital, Akron, Ohio, USA
| | | | - Ronith Chakraborty
- Department of Nephrology, Cleveland Clinic Akron General/Akron Nephrology Associates, Akron, Ohio, USA
| | - Nikhil Nair
- Case Western Reserve University, Cleveland, Ohio, USA
| | - Haikoo Shah
- Northeast Ohio Medical University, Rootstown, Ohio, USA
| | - Vinod Krishnappa
- Department of Nephrology, Cleveland Clinic Akron General/Akron Nephrology Associates, Akron, Ohio, USA.,Northeast Ohio Medical University, Rootstown, Ohio, USA
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Hosgood SA, Nicholson ML. An Assessment of Urinary Biomarkers in a Series of Declined Human Kidneys Measured During Ex Vivo Normothermic Kidney Perfusion. Transplantation 2017; 101:2120-2125. [PMID: 27681269 DOI: 10.1097/tp.0000000000001504] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
BACKGROUND The measurement of urinary biomarkers during ex vivo normothermic kidney perfusion (EVKP) may aid in the assessment of a kidney prior to transplantation. This study measured levels of neutrophil gelatinase-associated lipocalin (NGAL), kidney injury molecule-1 (KIM-1) and endothelin-1 (ET-1) during EVKP in a series of discarded human kidneys. METHODS Fifty-six kidneys from deceased donors were recruited into the study. Each kidney underwent 60 minutes of EVKP and was scored based on the macroscopic appearance, renal blood flow and urine output. The scores ranged from 1 (least injury) to 5 (most severe). Levels of oxygen consumption, extraction, creatinine fall and fractional excretion of sodium were measured during perfusion. Urinary levels of NGAL, KIM-1, and ET-1 were measured after EVKP. RESULTS Thirty-eight kidneys had an EVKP score of 1 or 2, 8 a score of 3 and 10 a score of 4 or 5. During EVKP lower levels of oxygen consumption, higher oxygen extraction, a lower decrement of serum creatinine, and higher levels of NGAL and ET-1 were associated with a higher EVKP score (P < 0.05). These parameters were also associated with a raised creatinine level in the donor before organ retrieval. Levels of KIM-1 were not associated with the perfusion parameters (P = 0.649) or renal function in the donor (R = 0.02458: P = 0.271). CONCLUSIONS The measurement of urinary biomarkers, particularly NGAL in combination with functional perfusion parameters and the EVKP score provides an informative measure of kidney quality which may aid the decision to transplant the kidney.
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Affiliation(s)
- Sarah A Hosgood
- 1 Department of Surgery, Addenbrooke's Hospital, University of Cambridge, Cambridge, United Kingdom. 2 Department Infection, Immunity and Inflammation, Transplant Group, University of Leicester, Leicester General Hospital, United Kingdom
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Jo WR, Kim SH, Kim KW, Suh CH, Kim JK, Kim H, Lee JG, Oh WY, Choi SE, Pyo J. Correlations between renal function and the total kidney volume measured on imaging for autosomal dominant polycystic kidney disease: A systematic review and meta-analysis. Eur J Radiol 2017; 95:56-65. [PMID: 28987699 DOI: 10.1016/j.ejrad.2017.07.023] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Revised: 07/07/2017] [Accepted: 07/26/2017] [Indexed: 10/19/2022]
Abstract
PURPOSE To provide a systematic summary of total kidney volume (TKV) as an imaging biomarker in clinical trials for autosomal dominant polycystic kidney disease (ADPKD), focusing on the correlation between TKV and renal function. METHODS A computerized literature search was performed using MEDLINE and EMBASE databases for studies that evaluated the correlation between TKV and the glomerular filtration rate (GFR) and between the TKV growth rate and GFR decline rate. A meta-analysis was performed to generate the summary correlation coefficient (r). A qualitative review was performed to evaluate the characteristics of TKV as an imaging biomarker. RESULTS Eighteen articles including a total sample size of 2835 patients were retrieved. Meta-analysis revealed substantial correlations between TKV and GFR [r, -0.520; 95% confidence interval (CI), -0.60 to -0.43] and between the TKV growth rate and GFR decline rate [r, -0.320; 95% CI, -0.54 to -0.10]. The quantitative review revealed that baseline TKV can affect the TKV growth rate and GFR decline rate, such that patients with a higher baseline TKV showed faster TKV growth and GFR decline. There was significant variability in image acquisition and analysis methods. CONCLUSION There were significant negative correlations between TKV and GFR as well as between TKV growth and GFR decline rates, suggesting that TKV imaging is a useful biomarker in clinical trials. However, standardization-or at least trial-specific standardization-of image acquisition and analysis techniques is required to use TKV as a reliable biomarker.
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Affiliation(s)
- Woo Ri Jo
- Department of Radiology, Asan Image Metrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Seong Hee Kim
- Clinical Research Division, National Institute of Food and Drug Safety Evaluation, MFDS, Cheong Ju, Republic of Korea
| | - Kyung Won Kim
- Department of Radiology, Asan Image Metrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
| | - Chong Hyun Suh
- Department of Radiology, Asan Image Metrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Jeong Kon Kim
- Department of Radiology, Asan Image Metrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Hyosang Kim
- Department of Nephrology, Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Jong Gu Lee
- Clinical Research Division, National Institute of Food and Drug Safety Evaluation, MFDS, Cheong Ju, Republic of Korea
| | - Woo Yong Oh
- Clinical Research Division, National Institute of Food and Drug Safety Evaluation, MFDS, Cheong Ju, Republic of Korea
| | - Seong Eun Choi
- Clinical Research Division, National Institute of Food and Drug Safety Evaluation, MFDS, Cheong Ju, Republic of Korea
| | - Junhee Pyo
- WHO Collaborating Center for Pharmaceutical Policy and Regulation, Department of Pharmaceutical Science, Utrecht University, Netherlands
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