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Li Z, Zeng N, Zhao X, Chen X, Liang G, Liu H, Lin J, Zheng P, Lin X, Zhou H, Zheng D. Urinary peptidome analysis in CKD and IgA nephropathy. Clin Kidney J 2023; 16:1965-1973. [PMID: 37915931 PMCID: PMC10616486 DOI: 10.1093/ckj/sfad211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Indexed: 11/03/2023] Open
Abstract
Background Chronic kidney disease (CKD) has emerged as a significant challenge to human health and economic stability in aging societies worldwide. Current clinical practice strategies remain insufficient for the early identification of kidney dysfunction, and the differential diagnosis of immunoglobulin A nephropathy (IgAN) predominantly relies on invasive kidney biopsy procedures. Methods First, we assessed a case-control cohort to obtain urine samples from healthy controls and biopsy-confirmed CKD patients. Matrix-assisted laser desorption ionization time-of-flight (MALDI-TOF) mass spectrometry (MS) was applied to detect urinary peptide and then these urinary peptide profiles were used to construct diagnostic models to distinguish CKD patients from controls and identify IgAN patients from other nephropathy patients. Furthermore, we assessed the robustness of the diagnostic models and their reproducibility by applying different algorithms. Results A rapid and accurate working platform for detecting CKD and its IgAN subtype based on urinary peptide pattern detected by MALDI-TOF MS was established. Naturally occurring urinary peptide profiles were used to construct a diagnostic model to distinguish CKD patients from controls and identify IgAN patients from other nephropathy patients. The performance of several algorithms was assessed and demonstrated that the robustness of the diagnostic models as well as their reproducibility were satisfactory. Conclusions The present findings suggest that the CKD-related and IgAN-specific urinary peptides discovered facilitate precise identification of CKD and its IgAN subtype, offering a dependable framework for screening conditions linked to renal dysfunction. This will aid in comprehending the pathogenesis of nephropathy and identifying potential protein targets for the clinical management of nephropathy.
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Affiliation(s)
- Zewen Li
- Division of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Nianyi Zeng
- Division of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Xin Zhao
- Division of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Xuedong Chen
- Division of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Guangqing Liang
- Division of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Haiyue Liu
- Division of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Division of Laboratory Medicine, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Jinyan Lin
- Department of Health Management, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Peizhuang Zheng
- Department of Medical Imaging, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xingtao Lin
- Department of Pathology, Guangdong Provincial People's Hospital, Guangzhou, China
| | - Hongwei Zhou
- Division of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Daowen Zheng
- Division of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Department of Gerontology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
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Maurer J, Grouzmann E, Eugster PJ. Tutorial review for peptide assays: An ounce of pre-analytics is worth a pound of cure. J Chromatogr B Analyt Technol Biomed Life Sci 2023; 1229:123904. [PMID: 37832388 DOI: 10.1016/j.jchromb.2023.123904] [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: 09/07/2023] [Revised: 10/04/2023] [Accepted: 10/05/2023] [Indexed: 10/15/2023]
Abstract
The recent increase in peptidomimetic-based medications and the growing interest in peptide hormones has brought new attention to the quantification of peptides for diagnostic purposes. Indeed, the circulating concentrations of peptide hormones in the blood provide a snapshot of the state of the body and could eventually lead to detecting a particular health condition. Although extremely useful, the quantification of such molecules, preferably by liquid chromatography coupled to mass spectrometry, might be quite tricky. First, peptides are subjected to hydrolysis, oxidation, and other post-translational modifications, and, most importantly, they are substrates of specific and nonspecific proteases in biological matrixes. All these events might continue after sampling, changing the peptide hormone concentrations. Second, because they include positively and negatively charged groups and hydrophilic and hydrophobic residues, they interact with their environment; these interactions might lead to a local change in the measured concentrations. A phenomenon such as nonspecific adsorption to lab glassware or materials has often a tremendous effect on the concentration and needs to be controlled with particular care. Finally, the circulating levels of peptides might be low (pico- or femtomolar range), increasing the impact of the aforementioned effects and inducing the need for highly sensitive instruments and well-optimized methods. Thus, despite the extreme diversity of these peptides and their matrixes, there is a common challenge for all the assays: the need to keep concentrations unchanged from sampling to analysis. While significant efforts are often placed on optimizing the analysis, few studies consider in depth the impact of pre-analytical steps on the results. By working through practical examples, this solution-oriented tutorial review addresses typical pre-analytical challenges encountered during the development of a peptide assay from the standpoint of a clinical laboratory. We provide tips and tricks to avoid pitfalls as well as strategies to guide all new developments. Our ultimate goal is to increase pre-analytical awareness to ensure that newly developed peptide assays produce robust and accurate results.
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Affiliation(s)
- Jonathan Maurer
- Service of Clinical Pharmacology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Eric Grouzmann
- Service of Clinical Pharmacology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Philippe J Eugster
- Service of Clinical Pharmacology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland.
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3
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Daza-Arnedo R, Rico-Fontalvo J, Aroca-Martínez G, Rodríguez-Yanez T, Martínez-Ávila MC, Almanza-Hurtado A, Cardona-Blanco M, Henao-Velásquez C, Fernández-Franco J, Unigarro-Palacios M, Osorio-Restrepo C, Uparella-Gulfo I. Insulin and the kidneys: a contemporary view on the molecular basis. FRONTIERS IN NEPHROLOGY 2023; 3:1133352. [PMID: 37675359 PMCID: PMC10479562 DOI: 10.3389/fneph.2023.1133352] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 07/07/2023] [Indexed: 09/08/2023]
Abstract
Insulin is a hormone that is composed of 51 amino acids and structurally organized as a hexamer comprising three heterodimers. Insulin is the central hormone involved in the control of glucose and lipid metabolism, aiding in processes such as body homeostasis and cell growth. Insulin is synthesized as a large preprohormone and has a leader sequence or signal peptide that appears to be responsible for transport to the endoplasmic reticulum membranes. The interaction of insulin with the kidneys is a dynamic and multicenter process, as it acts in multiple sites throughout the nephron. Insulin acts on a range of tissues, from the glomerulus to the renal tubule, by modulating different functions such as glomerular filtration, gluconeogenesis, natriuresis, glucose uptake, regulation of ion transport, and the prevention of apoptosis. On the other hand, there is sufficient evidence showing the insulin receptor's involvement in renal functions and its responsibility for the regulation of glucose homeostasis, which enables us to understand its contribution to the insulin resistance phenomenon and its association with the progression of diabetic kidney disease.
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Affiliation(s)
- Rodrigo Daza-Arnedo
- Department of Nephrology, Colombian Association of Nephrology, Cartagena, Colombia
| | - Jorge Rico-Fontalvo
- Department of Nephrology, Colombian Association of Nephrology, Cartagena, Colombia
- Faculty of Medicine, Universidad Simón Bolívar, Barranquilla, Colombia
| | - Gustavo Aroca-Martínez
- Department of Nephrology, Colombian Association of Nephrology, Cartagena, Colombia
- Faculty of Medicine, Universidad Simón Bolívar, Barranquilla, Colombia
| | | | | | | | - María Cardona-Blanco
- Department of Nephrology, Colombian Association of Nephrology, Cartagena, Colombia
| | | | - Jorge Fernández-Franco
- Department of Internal Medicine, Endocrinology Fellowship, Fundación Universitaria de Ciencias de la Salud—Hospital San José, Bogotá, Colombia
| | - Mario Unigarro-Palacios
- Department of Internal Medicine, Endocrinology Fellowship, Fundación Universitaria de Ciencias de la Salud—Hospital San José, Bogotá, Colombia
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Hellinger R, Sigurdsson A, Wu W, Romanova EV, Li L, Sweedler JV, Süssmuth RD, Gruber CW. Peptidomics. NATURE REVIEWS. METHODS PRIMERS 2023; 3:25. [PMID: 37250919 PMCID: PMC7614574 DOI: 10.1038/s43586-023-00205-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 02/09/2023] [Indexed: 05/31/2023]
Abstract
Peptides are biopolymers, typically consisting of 2-50 amino acids. They are biologically produced by the cellular ribosomal machinery or by non-ribosomal enzymes and, sometimes, other dedicated ligases. Peptides are arranged as linear chains or cycles, and include post-translational modifications, unusual amino acids and stabilizing motifs. Their structure and molecular size render them a unique chemical space, between small molecules and larger proteins. Peptides have important physiological functions as intrinsic signalling molecules, such as neuropeptides and peptide hormones, for cellular or interspecies communication, as toxins to catch prey or as defence molecules to fend off enemies and microorganisms. Clinically, they are gaining popularity as biomarkers or innovative therapeutics; to date there are more than 60 peptide drugs approved and more than 150 in clinical development. The emerging field of peptidomics comprises the comprehensive qualitative and quantitative analysis of the suite of peptides in a biological sample (endogenously produced, or exogenously administered as drugs). Peptidomics employs techniques of genomics, modern proteomics, state-of-the-art analytical chemistry and innovative computational biology, with a specialized set of tools. The complex biological matrices and often low abundance of analytes typically examined in peptidomics experiments require optimized sample preparation and isolation, including in silico analysis. This Primer covers the combination of techniques and workflows needed for peptide discovery and characterization and provides an overview of various biological and clinical applications of peptidomics.
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Affiliation(s)
- Roland Hellinger
- Center for Physiology and Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Arnar Sigurdsson
- Institut für Chemie, Technische Universität Berlin, Berlin, Germany
| | - Wenxin Wu
- School of Pharmacy and Department of Chemistry, University of Wisconsin-Madison, Madison, WI, USA
| | - Elena V Romanova
- Department of Chemistry, University of Illinois, Urbana, IL, USA
| | - Lingjun Li
- School of Pharmacy and Department of Chemistry, University of Wisconsin-Madison, Madison, WI, USA
| | | | | | - Christian W Gruber
- Center for Physiology and Pharmacology, Medical University of Vienna, Vienna, Austria
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Yu A, Zhao J, Peng W, Yadav SPS, Molitoris BA, Wagner MC, Mechref Y. Proteomics profiling of kidney brush border membrane from rats using LC-MS/MS analysis. Proteomics Clin Appl 2023; 17:e2200063. [PMID: 36189891 DOI: 10.1002/prca.202200063] [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: 08/09/2022] [Revised: 12/12/1912] [Accepted: 09/30/2022] [Indexed: 03/15/2023]
Abstract
PURPOSE Chronic kidney disease (CKD) is defined by a reduced renal function, that is, glomerular filtration rate, and the extent of kidney damage is assessed by determining serum creatinine levels and proteins in urine, diagnosed as proteinuria/albuminuria. Albuminuria increases with age and can result from glomerular and/or proximal tubule (PT) alterations. Brush border membranes (BBMs) on PT cells are important in maintaining the stability of PT functions. EXPERIMENTAL DESIGN An LC-MS/MS bottom-up proteomics analysis of BBMs from four groups of rat models was applied to investigate protein abundance alterations associated with CKD progression. Moreover, systems biology analyses were used to identify key proteins that can provide insight into the different regulated molecular pathways and processes associated with CKD. RESULTS Our results indicated that 303 proteins showed significantly altered expressions from the severe CKD BBM group when compared to the control. Focusing on renal diseases, several proteins including Ctnnb1, Fah, and Icam1 were annotated to kidney damage and urination disorder. The up-regulation of Ctnnb1 (β-catenin) could contribute to CKD through the regulation of the WNT signaling pathway. CONCLUSION AND CLINICAL RELEVANCE Overall, the study of protein abundance changes in BBMs from rat models helps to reveal protein corrections with important pathways and regulator effects involved in CKD. Although this study is focused on rat models, the results provided more information for a deeper insight into possible CKD mechanisms in humans.
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Affiliation(s)
- Aiying Yu
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, USA
| | - Jingfu Zhao
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, USA
| | - Wenjing Peng
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, USA
| | - Shiv Pratap S Yadav
- Nephrology Division, Department of Medicine, Indiana University, Indianapolis, Indiana, USA
| | - Bruce A Molitoris
- Nephrology Division, Department of Medicine, Indiana University, Indianapolis, Indiana, USA
| | - Mark C Wagner
- Nephrology Division, Department of Medicine, Indiana University, Indianapolis, Indiana, USA
| | - Yehia Mechref
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, USA
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Piedrafita A, Siwy J, Klein J, Akkari A, Amaya-garrido A, Mebazaa A, Sanz AB, Breuil B, Montero Herrero L, Marcheix B, Depret F, Fernandez L, Tardif E, Minville V, Alves M, Metzger J, Grossac J, Mischak H, Ortiz A, Gazut S, Schanstra JP, Faguer S, Mayeur N, Casemayou A, Labaste F, Mayeur N, Casemayou A, Labaste F. A universal predictive and mechanistic urinary peptide signature in acute kidney injury. Crit Care 2022; 26:344. [PMID: 36345008 PMCID: PMC9640896 DOI: 10.1186/s13054-022-04193-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 10/07/2022] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND The delayed diagnosis of acute kidney injury (AKI) episodes and the lack of specificity of current single AKI biomarkers hamper its management. Urinary peptidome analysis may help to identify early molecular changes in AKI and grasp its complexity to identify potential targetable molecular pathways. METHODS In derivation and validation cohorts totalizing 1170 major cardiac bypass surgery patients and in an external cohort of 1569 intensive care unit (ICU) patients, a peptide-based score predictive of AKI (7-day KDIGO classification) was developed, validated, and compared to the reference biomarker urinary NGAL and NephroCheck and clinical scores. RESULTS A set of 204 urinary peptides derived from 48 proteins related to hemolysis, inflammation, immune cells trafficking, innate immunity, and cell growth and survival was identified and validated for the early discrimination (< 4 h) of patients according to their risk to develop AKI (OR 6.13 [3.96-9.59], p < 0.001) outperforming reference biomarkers (urinary NGAL and [IGFBP7].[TIMP2] product) and clinical scores. In an external cohort of 1569 ICU patients, performances of the signature were similar (OR 5.92 [4.73-7.45], p < 0.001), and it was also associated with the in-hospital mortality (OR 2.62 [2.05-3.38], p < 0.001). CONCLUSIONS An overarching AKI physiopathology-driven urinary peptide signature shows significant promise for identifying, at an early stage, patients who will progress to AKI and thus to develop tailored treatments for this frequent and life-threatening condition. Performance of the urine peptide signature is as high as or higher than that of single biomarkers but adds mechanistic information that may help to discriminate sub-phenotypes of AKI offering new therapeutic avenues.
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Affiliation(s)
- Alexis Piedrafita
- grid.411175.70000 0001 1457 2980Department of Nephrology and Organ Transplantation, University Hospital of Toulouse, and French Intensive Care Renal Network, 31000 Toulouse, France ,grid.7429.80000000121866389National Institute of Health and Medical Research (INSERM), UMR 1297, Institute of Cardiovascular and Metabolic Disease, 31000 Toulouse, France ,grid.15781.3a0000 0001 0723 035XUniversity Paul Sabatier, Toulouse-III, 31000 Toulouse, France
| | - Justyna Siwy
- grid.421873.bMosaiques Diagnostics GmbH, Hannover, Germany
| | - Julie Klein
- grid.7429.80000000121866389National Institute of Health and Medical Research (INSERM), UMR 1297, Institute of Cardiovascular and Metabolic Disease, 31000 Toulouse, France ,grid.15781.3a0000 0001 0723 035XUniversity Paul Sabatier, Toulouse-III, 31000 Toulouse, France
| | - Amal Akkari
- grid.457331.7Université Paris-Saclay, CEA, List, 91120 Palaiseau, France
| | - Ana Amaya-garrido
- grid.7429.80000000121866389National Institute of Health and Medical Research (INSERM), UMR 1297, Institute of Cardiovascular and Metabolic Disease, 31000 Toulouse, France
| | - Alexandre Mebazaa
- Department of Anesthesiology, Critical Care and Burn Unit, Hôpitaux Universitaires Saint Louis-Lariboisière, Assistance Publique-Hôpitaux de Paris, Université Paris Diderot-Paris 7, Sorbonne Paris Cité, UMR-S 942, INSERM, France, INI-CRCT, ParisNancy, France
| | - Anna Belen Sanz
- grid.5515.40000000119578126School of Medicine, IIS-Fundación Jiménez Díaz, Autonomous University of Madrid, FRIAT and REDINREN, Madrid, Spain
| | - Benjamin Breuil
- grid.7429.80000000121866389National Institute of Health and Medical Research (INSERM), UMR 1297, Institute of Cardiovascular and Metabolic Disease, 31000 Toulouse, France ,grid.15781.3a0000 0001 0723 035XUniversity Paul Sabatier, Toulouse-III, 31000 Toulouse, France
| | - Laura Montero Herrero
- grid.5515.40000000119578126School of Medicine, IIS-Fundación Jiménez Díaz, Autonomous University of Madrid, FRIAT and REDINREN, Madrid, Spain
| | - Bertrand Marcheix
- grid.15781.3a0000 0001 0723 035XUniversity Paul Sabatier, Toulouse-III, 31000 Toulouse, France ,grid.411175.70000 0001 1457 2980Department of Cardiac and Vascular Surgery, University Hospital of Toulouse, 31000 Toulouse, France
| | - François Depret
- Department of Anesthesiology, Critical Care and Burn Unit, Hôpitaux Universitaires Saint Louis-Lariboisière, Assistance Publique-Hôpitaux de Paris, Université Paris Diderot-Paris 7, Sorbonne Paris Cité, UMR-S 942, INSERM, France, INI-CRCT, ParisNancy, France
| | - Lucie Fernandez
- grid.7429.80000000121866389National Institute of Health and Medical Research (INSERM), UMR 1297, Institute of Cardiovascular and Metabolic Disease, 31000 Toulouse, France
| | - Elsa Tardif
- grid.411175.70000 0001 1457 2980Department of Anesthesiology and Critical Care Medicine, University Hospital of Toulouse, 31000 Toulouse, France
| | - Vincent Minville
- grid.15781.3a0000 0001 0723 035XUniversity Paul Sabatier, Toulouse-III, 31000 Toulouse, France ,grid.411175.70000 0001 1457 2980Department of Anesthesiology and Critical Care Medicine, University Hospital of Toulouse, 31000 Toulouse, France
| | - Melinda Alves
- grid.7429.80000000121866389National Institute of Health and Medical Research (INSERM), UMR 1297, Institute of Cardiovascular and Metabolic Disease, 31000 Toulouse, France
| | - Jochen Metzger
- grid.421873.bMosaiques Diagnostics GmbH, Hannover, Germany
| | | | - Julia Grossac
- grid.411175.70000 0001 1457 2980Department of Anesthesiology and Critical Care Medicine, University Hospital of Toulouse, 31000 Toulouse, France
| | - Harald Mischak
- grid.421873.bMosaiques Diagnostics GmbH, Hannover, Germany
| | - Alberto Ortiz
- grid.5515.40000000119578126School of Medicine, IIS-Fundación Jiménez Díaz, Autonomous University of Madrid, FRIAT and REDINREN, Madrid, Spain
| | - Stéphane Gazut
- grid.457331.7Université Paris-Saclay, CEA, List, 91120 Palaiseau, France
| | - Joost P. Schanstra
- grid.7429.80000000121866389National Institute of Health and Medical Research (INSERM), UMR 1297, Institute of Cardiovascular and Metabolic Disease, 31000 Toulouse, France ,grid.15781.3a0000 0001 0723 035XUniversity Paul Sabatier, Toulouse-III, 31000 Toulouse, France
| | - Stanislas Faguer
- grid.411175.70000 0001 1457 2980Department of Nephrology and Organ Transplantation, University Hospital of Toulouse, and French Intensive Care Renal Network, 31000 Toulouse, France ,grid.7429.80000000121866389National Institute of Health and Medical Research (INSERM), UMR 1297, Institute of Cardiovascular and Metabolic Disease, 31000 Toulouse, France ,grid.15781.3a0000 0001 0723 035XUniversity Paul Sabatier, Toulouse-III, 31000 Toulouse, France
| | - Nicolas Mayeur
- grid.411175.70000 0001 1457 2980Department of Anesthesiology and Critical Care Medicine, University Hospital of Toulouse, 31000 Toulouse, France
| | - Audrey Casemayou
- grid.7429.80000000121866389Institute for Metabolic and Cardiovascular Disease, National Institute of Health and Medical Research, Toulouse, France
| | - François Labaste
- grid.411175.70000 0001 1457 2980Department of Anesthesiology and Critical Care Medicine, University Hospital of Toulouse, 31000 Toulouse, France
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Han T, Cong H, Yu B, Shen Y. Application of peptide biomarkers in life analysis based on liquid chromatography-mass spectrometry technology. Biofactors 2022; 48:725-743. [PMID: 35816279 DOI: 10.1002/biof.1875] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 06/18/2022] [Indexed: 12/11/2022]
Abstract
Biomedicine is developing rapidly in the 21st century. Among them, the qualitative and quantitative analysis of peptide biomarkers is of considerable importance for the diagnosis and therapy of diseases and the quality evaluation of drugs and food. The identification and quantitative analysis of peptides have been going on for decades. Traditionally, immunoassays or biological assays are generally used to quantify peptides in biological matrices. However, the selectivity and sensitivity of these methods cannot meet the requirements of the application. The separation and analysis technique of liquid chromatography-mass spectrometry (LC-MS) supplies a reliable alternative. In contrast to immunoassays, LC-MS methods are capable of providing the analytical prowess necessary to satisfy the demands of peptide biomarker research in the life sciences arena. This review article provides a historical account of the in-roads made by LC-MS technology for the detection of peptide biomarkers in the past 10 years, with the focus on the qualification/quantification developments and their applications.
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Affiliation(s)
- Tingting Han
- Institute of Biomedical Materials and Engineering, College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao, China
| | - Hailin Cong
- Institute of Biomedical Materials and Engineering, College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao, China
- State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao, China
| | - Bing Yu
- Institute of Biomedical Materials and Engineering, College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao, China
- State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao, China
| | - Youqing Shen
- Institute of Biomedical Materials and Engineering, College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao, China
- Center for Bionanoengineering and Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, China
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Markarian T. Nouvelles approches diagnostiques de l’insuffisance rénale aiguë. ANNALES FRANCAISES DE MEDECINE D URGENCE 2022. [DOI: 10.3166/afmu-2022-0438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
L’insuffisance rénale, véritable problème de santé publique, concernerait plus de 82 000 personnes en France. On estime que 5 à 10 % de la population française souffriraient d’une maladie rénale pouvant conduire à une insuffisance rénale avec un taux de mortalité de plus de 10 % par an. À l’inverse de la maladie rénale chronique irréversible, l’insuffisance rénale aiguë est considérée comme un dysfonctionnement transitoire et réversible. Au-delà de l’intérêt de la prévention, le diagnostic précoce de l’insuffisance rénale aiguë permettrait de mettre en place des thérapeutiques adaptées et ciblées afin d’éviter l’évolution vers des lésions rénales irréversibles. Cependant, il demeure un véritable challenge pour le praticien puisque l’on présume que près de 10 % de la population française présenteraient des lésions rénales asymptomatiques. Bien que la définition de l’insuffisance rénale aiguë ait été simplifiée durant ces dernières années, il existe de nombreuses limites. En parallèle, des progrès majeurs ont été réalisés notamment en termes de diagnostic. L’objectif de cette mise au point est de faire un rappel sur l’évolution de l’insuffisance rénale aiguë, les définitions actuelles et de présenter les nouvelles approches diagnostiques en cours de développement.
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Collagen-Derived Peptides in CKD: A Link to Fibrosis. Toxins (Basel) 2021; 14:toxins14010010. [PMID: 35050988 PMCID: PMC8781252 DOI: 10.3390/toxins14010010] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 12/07/2021] [Accepted: 12/17/2021] [Indexed: 02/06/2023] Open
Abstract
Collagen is a major component of the extracellular matrix (ECM) and has an imminent role in fibrosis, in, among others, chronic kidney disease (CKD). Collagen alpha-1(I) (col1a1) is the most abundant collagen type and has previously been underlined for its contribution to the disease phenotype. Here, we examined 5000 urinary peptidomic datasets randomly selected from healthy participants or patients with CKD to identify urinary col1a1 fragments and study their abundance, position in the main protein, as well as their correlation with renal function. We identified 707 col1a1 peptides that differed in their amino acid sequence and/or post-translational modifications (hydroxyprolines). Well-correlated peptides with the same amino acid sequence, but a different number of hydroxyprolines, were combined into a final list of 503 peptides. These 503 col1a1 peptides covered 69% of the full col1a1 sequence. Sixty-three col1a1 peptides were significantly and highly positively associated (rho > +0.3) with the estimated glomerular filtration rate (eGFR), while only six peptides showed a significant and strong, negative association (rho < −0.3). A similar tendency was observed for col1a1 peptides associated with ageing, where the abundance of most col1a1 peptides decreased with increasing age. Collectively the results show a strong association between collagen peptides and loss of kidney function and suggest that fibrosis, potentially also of other organs, may be the main consequence of an attenuation of collagen degradation, and not increased synthesis.
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Santorelli L, Stella M, Chinello C, Capitoli G, Piga I, Smith A, Grasso A, Grasso M, Bovo G, Magni F. Does the Urinary Proteome Reflect ccRCC Stage and Grade Progression? Diagnostics (Basel) 2021; 11:2369. [PMID: 34943605 PMCID: PMC8700730 DOI: 10.3390/diagnostics11122369] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/07/2021] [Accepted: 12/13/2021] [Indexed: 12/14/2022] Open
Abstract
Due its ability to provide a global snapshot of kidney physiology, urine has emerged as a highly promising, non-invasive source in the search for new molecular indicators of disease diagnosis, prognosis, and surveillance. In particular, proteomics represents an ideal strategy for the identification of urinary protein markers; thus, a urinomic approach could also represent a powerful tool in the investigation of the most common kidney cancer, which is clear cell Renal Cell Carcinoma (ccRCC). Currently, these tumors are classified after surgical removal using the TNM and nuclear grading systems and prognosis is usually predicted based upon staging. However, the aggressiveness and clinical outcomes of ccRCC remain heterogeneous within each stratified group, highlighting the need for novel molecular indicators that can predict the progression of these tumors. In our study, we explored the association between the urinary proteome and the ccRCC staging and grading classification. The urine proteome of 44 ccRCC patients with lesions of varying severity was analyzed via label-free proteomics. MS data revealed several proteins with altered abundance according to clinicopathological stratification. Specifically, we determined a panel of dysregulated proteins strictly related to stage and grade, suggesting the potential utility of MS-based urinomics as a complementary tool in the staging process of ccRCC.
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Affiliation(s)
- Lucia Santorelli
- Clinical Proteomics and Metabolomics Unit, School of Medicine and Surgery, University of Milano—Bicocca, 20854 Vedano al Lambro, Italy; (L.S.); (M.S.); (C.C.); (I.P.); (A.S.)
| | - Martina Stella
- Clinical Proteomics and Metabolomics Unit, School of Medicine and Surgery, University of Milano—Bicocca, 20854 Vedano al Lambro, Italy; (L.S.); (M.S.); (C.C.); (I.P.); (A.S.)
| | - Clizia Chinello
- Clinical Proteomics and Metabolomics Unit, School of Medicine and Surgery, University of Milano—Bicocca, 20854 Vedano al Lambro, Italy; (L.S.); (M.S.); (C.C.); (I.P.); (A.S.)
| | - Giulia Capitoli
- Centre of Biostatistics for Clinical Epidemiology, School of Medicine and Surgery, University of Milano—Bicocca, 20854 Vedano al Lambro, Italy;
| | - Isabella Piga
- Clinical Proteomics and Metabolomics Unit, School of Medicine and Surgery, University of Milano—Bicocca, 20854 Vedano al Lambro, Italy; (L.S.); (M.S.); (C.C.); (I.P.); (A.S.)
| | - Andrew Smith
- Clinical Proteomics and Metabolomics Unit, School of Medicine and Surgery, University of Milano—Bicocca, 20854 Vedano al Lambro, Italy; (L.S.); (M.S.); (C.C.); (I.P.); (A.S.)
| | - Angelica Grasso
- Urology Unit, S. Gerardo Hospital, 20900 Monza, Italy; (A.G.); (M.G.)
| | - Marco Grasso
- Urology Unit, S. Gerardo Hospital, 20900 Monza, Italy; (A.G.); (M.G.)
| | - Giorgio Bovo
- Pathology Unit, Vimercate Hospital, 20871 Vimercate, Italy;
| | - Fulvio Magni
- Clinical Proteomics and Metabolomics Unit, School of Medicine and Surgery, University of Milano—Bicocca, 20854 Vedano al Lambro, Italy; (L.S.); (M.S.); (C.C.); (I.P.); (A.S.)
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11
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Qi F, Tan Y, Yao A, Yang X, He Y. Psoriasis to Psoriatic Arthritis: The Application of Proteomics Technologies. Front Med (Lausanne) 2021; 8:681172. [PMID: 34869404 PMCID: PMC8635007 DOI: 10.3389/fmed.2021.681172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 10/18/2021] [Indexed: 11/13/2022] Open
Abstract
Psoriatic disease (PsD) is a spectrum of diseases that affect both skin [cutaneous psoriasis (PsC)] and musculoskeletal features [psoriatic arthritis (PsA)]. A considerable number of patients with PsC have asymptomatic synovio-entheseal inflammations, and approximately one-third of those eventually progress to PsA with an enigmatic mechanism. Published studies have shown that early interventions to the very early-stage PsA would effectively prevent substantial bone destructions or deformities, suggesting an unmet goal for exploring early PsA biomarkers. The emergence of proteomics technologies brings a complete view of all involved proteins in PsA transitions, offers a unique chance to map all potential peptides, and allows a direct head-to-head comparison of interaction pathways in PsC and PsA. This review summarized the latest development of proteomics technologies, highlighted its application in PsA biomarker discovery, and discussed the possible clinical detectable PsA risk factors in patients with PsC.
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Affiliation(s)
- Fei Qi
- Department of Dermatology, Capital Medical University Affiliated Beijing Chaoyang Hospital, Beijing, China
| | - Yaqi Tan
- Department of Dermatology, Capital Medical University Affiliated Beijing Chaoyang Hospital, Beijing, China
| | - Amin Yao
- Department of Dermatology, Capital Medical University Affiliated Beijing Chaoyang Hospital, Beijing, China
| | - Xutong Yang
- Department of Dermatology, Capital Medical University Affiliated Beijing Chaoyang Hospital, Beijing, China
| | - Yanling He
- Department of Dermatology, Capital Medical University Affiliated Beijing Chaoyang Hospital, Beijing, China
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12
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Trindade F, Barros AS, Silva J, Vlahou A, Falcão-Pires I, Guedes S, Vitorino C, Ferreira R, Leite-Moreira A, Amado F, Vitorino R. Mining the Biomarker Potential of the Urine Peptidome: From Amino Acids Properties to Proteases. Int J Mol Sci 2021; 22:5940. [PMID: 34073067 PMCID: PMC8197949 DOI: 10.3390/ijms22115940] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 05/27/2021] [Accepted: 05/28/2021] [Indexed: 12/11/2022] Open
Abstract
Native biofluid peptides offer important information about diseases, holding promise as biomarkers. Particularly, the non-invasive nature of urine sampling, and its high peptide concentration, make urine peptidomics a useful strategy to study the pathogenesis of renal conditions. Moreover, the high number of detectable peptides as well as their specificity set the ground for the expansion of urine peptidomics to the identification of surrogate biomarkers for extra-renal diseases. Peptidomics further allows the prediction of proteases (degradomics), frequently dysregulated in disease, providing a complimentary source of information on disease pathogenesis and biomarkers. Then, what does urine peptidomics tell us so far? In this paper, we appraise the value of urine peptidomics in biomarker research through a comprehensive analysis of all datasets available to date. We have mined > 50 papers, addressing > 30 different conditions, comprising > 4700 unique peptides. Bioinformatic tools were used to reanalyze peptide profiles aiming at identifying disease fingerprints, to uncover hidden disease-specific peptides physicochemical properties and to predict the most active proteases associated with their generation. The molecular patterns found in this study may be further validated in the future as disease biomarker not only for kidney diseases but also for extra-renal conditions, as a step forward towards the implementation of a paradigm of predictive, preventive and personalized (3P) medicine.
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Affiliation(s)
- Fábio Trindade
- UnIC—Cardiovascular Research and Development Centre, Department of Surgery and Physiology, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal; (A.S.B.); (I.F.-P.); (A.L.-M.)
| | - António S. Barros
- UnIC—Cardiovascular Research and Development Centre, Department of Surgery and Physiology, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal; (A.S.B.); (I.F.-P.); (A.L.-M.)
| | - Jéssica Silva
- iBiMED—Department of Medical Sciences, Institute of Biomedicine, University of Aveiro, 3810-193 Aveiro, Portugal;
| | - Antonia Vlahou
- Biotechnology Division, Biomedical Research Foundation of the Academy of Athens, 115 27 Athens, Greece;
| | - Inês Falcão-Pires
- UnIC—Cardiovascular Research and Development Centre, Department of Surgery and Physiology, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal; (A.S.B.); (I.F.-P.); (A.L.-M.)
| | - Sofia Guedes
- LAQV-REQUIMTE, Departamento de Química, Universidade de Aveiro, 3810-193 Aveiro, Portugal; (S.G.); (R.F.); (F.A.)
| | - Carla Vitorino
- Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal;
- Coimbra Chemistry Centre, Department of Chemistry, University of Coimbra, 3004-535 Coimbra, Portugal
- Center for Neurosciences and Cell Biology (CNC), University of Coimbra, 3004-504 Coimbra, Portugal
| | - Rita Ferreira
- LAQV-REQUIMTE, Departamento de Química, Universidade de Aveiro, 3810-193 Aveiro, Portugal; (S.G.); (R.F.); (F.A.)
| | - Adelino Leite-Moreira
- UnIC—Cardiovascular Research and Development Centre, Department of Surgery and Physiology, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal; (A.S.B.); (I.F.-P.); (A.L.-M.)
| | - Francisco Amado
- LAQV-REQUIMTE, Departamento de Química, Universidade de Aveiro, 3810-193 Aveiro, Portugal; (S.G.); (R.F.); (F.A.)
| | - Rui Vitorino
- UnIC—Cardiovascular Research and Development Centre, Department of Surgery and Physiology, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal; (A.S.B.); (I.F.-P.); (A.L.-M.)
- iBiMED—Department of Medical Sciences, Institute of Biomedicine, University of Aveiro, 3810-193 Aveiro, Portugal;
- LAQV-REQUIMTE, Departamento de Química, Universidade de Aveiro, 3810-193 Aveiro, Portugal; (S.G.); (R.F.); (F.A.)
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13
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Tailliar M, Schanstra JP, Dierckx T, Breuil B, Hanouna G, Charles N, Bascands JL, Dussol B, Vazi A, Chiche L, Siwy J, Faguer S, Daniel L, Daugas E, Jourde-Chiche N. Urinary Peptides as Potential Non-Invasive Biomarkers for Lupus Nephritis: Results of the Peptidu-LUP Study. J Clin Med 2021; 10:jcm10081690. [PMID: 33920017 PMCID: PMC8071029 DOI: 10.3390/jcm10081690] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 04/08/2021] [Accepted: 04/09/2021] [Indexed: 12/16/2022] Open
Abstract
Background: Lupus nephritis (LN) is a severe manifestation of Systemic Lupus Erythematosus (SLE). The therapeutic strategy relies on kidney biopsy (KB) results. We tested whether urinary peptidome analysis could non-invasively differentiate active from non-active LN. Design: Urinary samples were collected from 93 patients (55 with active LN and 38 with non-active LN), forming a discovery (n = 42) and an independent validation (n = 51) cohort. Clinical characteristics were collected at inclusion and prospectively for 24 months. The urinary peptidome was analyzed by capillary-electrophoresis coupled to mass-spectrometry, comparing active LN to non-active LN, and assessing chronic lesions and response to therapy. The value of previously validated prognostic (CKD273) and differential diagnostic (LN172) signatures was evaluated. Results: Urinary peptides could not discriminate between active and non-active LN or predict early response to therapy. Tubulo-interstitial fibrosis was correlated to the CKD273. The LN172 score identified 92.5% of samples as LN. Few patients developed new-onset CKD. Conclusions: We validated the CKD273 and LN172 classifiers but did not identify a robust signature that could predict active LN and replace KB. The value of urinary peptidome to predict long-term CKD, or renal flares in SLE, remains to be evaluated.
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Affiliation(s)
- Maxence Tailliar
- AP-HM, Centre de Néphrologie et Transplantation Rénale, Hôpital de la Conception, 13005 Marseille, France; (M.T.); (B.D.)
| | - Joost P. Schanstra
- Institut National de la Santé et de la Recherche Médicale (INSERM), U1297, Institut of Metabolic and Cardiovascular Disease (I2MC), 31432 Toulouse, France; (J.P.S.); (B.B.); (S.F.)
- Université Toulouse III Paul-Sabatier, 31062 Toulouse, France
| | - Tim Dierckx
- Laboratory of Clinical and Epidemiological Virology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven, 3000 Leuven, Belgium;
| | - Benjamin Breuil
- Institut National de la Santé et de la Recherche Médicale (INSERM), U1297, Institut of Metabolic and Cardiovascular Disease (I2MC), 31432 Toulouse, France; (J.P.S.); (B.B.); (S.F.)
- Université Toulouse III Paul-Sabatier, 31062 Toulouse, France
| | - Guillaume Hanouna
- AP-HP, Service de Néphrologie, Hôpital Bichat, DMU VICTOIRE, 75018 Paris, France; (G.H.); (E.D.)
| | - Nicolas Charles
- Centre de Recherche sur l’Inflammation, Université de Paris, INSERM UMRS1149, CNRS ERL8252, Labex INFLAMEX, DHU FIRE, 75890 Paris, France;
| | - Jean-Loup Bascands
- Institut National de la Santé et de la Recherche Médicale (INSERM), U1188-Université de La Réunion, 97490 Saint-Denis, France;
| | - Bertrand Dussol
- AP-HM, Centre de Néphrologie et Transplantation Rénale, Hôpital de la Conception, 13005 Marseille, France; (M.T.); (B.D.)
- Centre d’Investigation Clinique, CHU Conception, AP-HM, 13005 Marseille, France;
| | - Alain Vazi
- Centre d’Investigation Clinique, CHU Conception, AP-HM, 13005 Marseille, France;
| | - Laurent Chiche
- Médecine Interne, Hôpital Européen, 13003 Marseille, France;
| | - Justyna Siwy
- Mosaiques Diagnostics GmbH, 30659 Hannover, Germany;
| | - Stanislas Faguer
- Institut National de la Santé et de la Recherche Médicale (INSERM), U1297, Institut of Metabolic and Cardiovascular Disease (I2MC), 31432 Toulouse, France; (J.P.S.); (B.B.); (S.F.)
- Université Toulouse III Paul-Sabatier, 31062 Toulouse, France
- CHU de Toulouse, Service de Néphrologie, 31300 Toulouse, France
| | - Laurent Daniel
- AP-HM, Laboratoire d’Ananatomie Pathologique, Hôpital de la Timone, 13005 Marseille, France;
- Center for CardioVascular and Nutrition Research (C2VN), Aix-Marseille University, INSERM, INRAE, 13005 Marseille, France
| | - Eric Daugas
- AP-HP, Service de Néphrologie, Hôpital Bichat, DMU VICTOIRE, 75018 Paris, France; (G.H.); (E.D.)
- Centre de Recherche sur l’Inflammation, Université de Paris, INSERM UMRS1149, CNRS ERL8252, Labex INFLAMEX, DHU FIRE, 75890 Paris, France;
| | - Noémie Jourde-Chiche
- AP-HM, Centre de Néphrologie et Transplantation Rénale, Hôpital de la Conception, 13005 Marseille, France; (M.T.); (B.D.)
- Center for CardioVascular and Nutrition Research (C2VN), Aix-Marseille University, INSERM, INRAE, 13005 Marseille, France
- Correspondence:
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14
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Zhang W, Ramautar R. CE-MS for metabolomics: Developments and applications in the period 2018-2020. Electrophoresis 2021; 42:381-401. [PMID: 32906195 PMCID: PMC7891659 DOI: 10.1002/elps.202000203] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 08/30/2020] [Accepted: 09/01/2020] [Indexed: 02/06/2023]
Abstract
Capillary electrophoresis-mass spectrometry (CE-MS) is now a mature analytical technique in metabolomics, notably for the efficient profiling of polar and charged metabolites. Over the past few years, (further) progress has been made in the design of improved interfacing techniques for coupling CE to MS; also, in the development of CE-MS approaches for profiling metabolites in volume-restricted samples, and in strategies that further enhance the metabolic coverage. In this article, which is a follow-up of a previous review article covering the years 2016-2018 (Electrophoresis 2019, 40, 165-179), the main (technological) developments in CE-MS methods and strategies for metabolomics are discussed covering the literature from July 2018 to June 2020. Representative examples highlight the utility of CE-MS in the fields of biomedical, clinical, microbial, plant and food metabolomics. A complete overview of recent CE-MS-based metabolomics studies is given in a table, which provides information on sample type and pretreatment, capillary coatings, and MS detection mode. Finally, some general conclusions and perspectives are given.
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Affiliation(s)
- Wei Zhang
- Biomedical Microscale Analytics, Leiden Academic Centre for Drug ResearchLeiden UniversityLeidenThe Netherlands
| | - Rawi Ramautar
- Biomedical Microscale Analytics, Leiden Academic Centre for Drug ResearchLeiden UniversityLeidenThe Netherlands
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15
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Klein O. Proteomics in Kidney and Cardiovascular Clinical Research. Proteomics Clin Appl 2021; 15:e1900132. [PMID: 33458964 DOI: 10.1002/prca.201900132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Oliver Klein
- Berlin Institute of Health Center for Regenerative Therapies and Berlin-Brandenburg Centre for Regenerative Therapies (BCRT), Charité-Universitätsmedizin Berlin, Campus Virchow Klinikum (CVK), Augustenburger Platz 1, Berlin, 13353, Germany
- German Center for Cardiovascular Research (DZHK), Partner site Berlin, Berlin, Germany
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16
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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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17
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Comparison of the amniotic fluid and fetal urine peptidome for biomarker discovery in renal developmental disease. Sci Rep 2020; 10:21706. [PMID: 33303833 PMCID: PMC7729974 DOI: 10.1038/s41598-020-78730-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 11/27/2020] [Indexed: 11/29/2022] Open
Abstract
Production of amniotic fluid (AF) is view as predominately driven by excretion of fetal urine (FU). However, the origin of AF peptides, often considered as potential biomarkers of developmental diseases, has never been investigated. Here, we evaluated the FU origin of AF peptides and if the AF peptide content can be used as a surrogate of FU. The abundance of endogenous peptides was analyzed by capillary electrophoresis coupled to mass spectrometry in 216 AF and 64 FU samples. A total of 2668 and 3257 peptides was found in AF and FU respectively. The AF peptidome largely overlapped with the FU peptidome, ranging from 54% in the second pregnancy trimester to 65% in the third trimester. Examination of a subset of 16 paired AF and FU samples revealed that 67 peptides displayed a significant positively correlated abundance in AF and FU, strongly suggesting that their presence in AF was directly associated to FU excretion. As proof-of-concept we showed that measuring the AF abundance of these 67 peptides of FU origin allowed prediction of postnatal renal survival in fetuses with posterior urethral valves. These results demonstrate that the AF peptidome can be considered as a good surrogate of the FU peptidome.
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18
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Drouin N, van Mever M, Zhang W, Tobolkina E, Ferre S, Servais AC, Gou MJ, Nyssen L, Fillet M, Lageveen-Kammeijer GS, Nouta J, Chetwynd AJ, Lynch I, Thorn JA, Meixner J, Lößner C, Taverna M, Liu S, Tran NT, Francois Y, Lechner A, Nehmé R, Al Hamoui Dit Banni G, Nasreddine R, Colas C, Lindner HH, Faserl K, Neusüß C, Nelke M, Lämmerer S, Perrin C, Bich-Muracciole C, Barbas C, Gonzálvez Á, Guttman A, Szigeti M, Britz-McKibbin P, Kroezen Z, Shanmuganathan M, Nemes P, Portero EP, Hankemeier T, Codesido S, González-Ruiz V, Rudaz S, Ramautar R. Capillary Electrophoresis-Mass Spectrometry at Trial by Metabo-Ring: Effective Electrophoretic Mobility for Reproducible and Robust Compound Annotation. Anal Chem 2020; 92:14103-14112. [PMID: 32961048 PMCID: PMC7581015 DOI: 10.1021/acs.analchem.0c03129] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 09/22/2020] [Indexed: 12/15/2022]
Abstract
Capillary zone electrophoresis-mass spectrometry (CE-MS) is a mature analytical tool for the efficient profiling of (highly) polar and ionizable compounds. However, the use of CE-MS in comparison to other separation techniques remains underrepresented in metabolomics, as this analytical approach is still perceived as technically challenging and less reproducible, notably for migration time. The latter is key for a reliable comparison of metabolic profiles and for unknown biomarker identification that is complementary to high resolution MS/MS. In this work, we present the results of a Metabo-ring trial involving 16 CE-MS platforms among 13 different laboratories spanning two continents. The goal was to assess the reproducibility and identification capability of CE-MS by employing effective electrophoretic mobility (μeff) as the key parameter in comparison to the relative migration time (RMT) approach. For this purpose, a representative cationic metabolite mixture in water, pretreated human plasma, and urine samples spiked with the same metabolite mixture were used and distributed for analysis by all laboratories. The μeff was determined for all metabolites spiked into each sample. The background electrolyte (BGE) was prepared and employed by each participating lab following the same protocol. All other parameters (capillary, interface, injection volume, voltage ramp, temperature, capillary conditioning, and rinsing procedure, etc.) were left to the discretion of the contributing laboratories. The results revealed that the reproducibility of the μeff for 20 out of the 21 model compounds was below 3.1% vs 10.9% for RMT, regardless of the huge heterogeneity in experimental conditions and platforms across the 13 laboratories. Overall, this Metabo-ring trial demonstrated that CE-MS is a viable and reproducible approach for metabolomics.
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Affiliation(s)
- Nicolas Drouin
- Division
of Systems Biomedicine and Pharmacology, Leiden Academic Centre for
Drug Research, Leiden University, 2311 G Leiden, The Netherlands
| | - Marlien van Mever
- Division
of Systems Biomedicine and Pharmacology, Leiden Academic Centre for
Drug Research, Leiden University, 2311 G Leiden, The Netherlands
| | - Wei Zhang
- Division
of Systems Biomedicine and Pharmacology, Leiden Academic Centre for
Drug Research, Leiden University, 2311 G Leiden, The Netherlands
| | - Elena Tobolkina
- School
of Pharmaceutical Sciences, University of
Geneva, Rue Michel Servet 1, 1211 4 Geneva, Switzerland
- Institute
of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Rue Michel Servet 1, 1211 4 Geneva, Switzerland
| | - Sabrina Ferre
- School
of Pharmaceutical Sciences, University of
Geneva, Rue Michel Servet 1, 1211 4 Geneva, Switzerland
- Institute
of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Rue Michel Servet 1, 1211 4 Geneva, Switzerland
| | - Anne-Catherine Servais
- Laboratory
for the Analysis of Medicines, Center for Interdisciplinary Research
on Medicines (CIRM), University of Liège, Avenue Hippocrate 15, B-4000 Liège, Belgium
| | - Marie-Jia Gou
- Laboratory
for the Analysis of Medicines, Center for Interdisciplinary Research
on Medicines (CIRM), University of Liège, Avenue Hippocrate 15, B-4000 Liège, Belgium
| | - Laurent Nyssen
- Laboratory
for the Analysis of Medicines, Center for Interdisciplinary Research
on Medicines (CIRM), University of Liège, Avenue Hippocrate 15, B-4000 Liège, Belgium
- Department
of Clinical Chemistry, Center for Interdisciplinary Research on Medicines
(CIRM), University of Liège, Avenue Hippocrate 15, B-4000 Liège, Belgium
| | - Marianne Fillet
- Laboratory
for the Analysis of Medicines, Center for Interdisciplinary Research
on Medicines (CIRM), University of Liège, Avenue Hippocrate 15, B-4000 Liège, Belgium
| | | | - Jan Nouta
- Leiden University
Medical Center, Center for Proteomics
and Metabolomics, 2300 RC Leiden, The Netherlands
| | - Andrew J. Chetwynd
- School
of Geography Earth and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K.
| | - Iseult Lynch
- School
of Geography Earth and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K.
| | - James A. Thorn
- AB
Sciex UK Ltd, Phoenix House, Lakeside Drive, Warrington, Cheshire WA1 1RX, U.K.
| | - Jens Meixner
- Agilent
Technologies R&D and Marketing GmbH & Co. KG, Hewlett-Packard-Straße 8, 76337 Waldbronn, Germany
| | | | - Myriam Taverna
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 92296 Châtenay-Malabry, France
- Institut Universitaire de France, 1 Rue Descartes, 75231 CEDEX 05 Paris, France
| | - Sylvie Liu
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 92296 Châtenay-Malabry, France
| | - N. Thuy Tran
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 92296 Châtenay-Malabry, France
| | - Yannis Francois
- Laboratoire
de Spectromètrie de Masse des Interactions et des Systémes
(LSMIS) UMR 7140 (Unistra-CNRS), Université
de Strasbourg, 4 Rue Blaise Pascal, 67081 CEDEX Strasbourg, France
| | - Antony Lechner
- Laboratoire
de Spectromètrie de Masse des Interactions et des Systémes
(LSMIS) UMR 7140 (Unistra-CNRS), Université
de Strasbourg, 4 Rue Blaise Pascal, 67081 CEDEX Strasbourg, France
| | - Reine Nehmé
- Institut
de Chimie Organique et Analytique (ICOA), CNRS FR 2708 - UMR 7311, Université d’Orléans, 45067 Orléans, France
| | - Ghassan Al Hamoui Dit Banni
- Institut
de Chimie Organique et Analytique (ICOA), CNRS FR 2708 - UMR 7311, Université d’Orléans, 45067 Orléans, France
| | - Rouba Nasreddine
- Institut
de Chimie Organique et Analytique (ICOA), CNRS FR 2708 - UMR 7311, Université d’Orléans, 45067 Orléans, France
| | - Cyril Colas
- Institut
de Chimie Organique et Analytique (ICOA), CNRS FR 2708 - UMR 7311, Université d’Orléans, 45067 Orléans, France
- Centre de Biophysique Moléculaire,
CNRS-Université
d’Orléans, UPR 4311, 45071 CEDEX 2 Orléans, France
| | - Herbert H. Lindner
- Institute
of Clinical Biochemistry, Innsbruck Medical
University, Innrain 80-82, A-6020 Innsbruck, Austria
| | - Klaus Faserl
- Institute
of Clinical Biochemistry, Innsbruck Medical
University, Innrain 80-82, A-6020 Innsbruck, Austria
| | - Christian Neusüß
- Faculty
of Chemistry, Aalen University, Beethovenstraße 1, 73430 Aalen, Germany
| | - Manuel Nelke
- Faculty
of Chemistry, Aalen University, Beethovenstraße 1, 73430 Aalen, Germany
| | - Stefan Lämmerer
- Faculty
of Chemistry, Aalen University, Beethovenstraße 1, 73430 Aalen, Germany
| | - Catherine Perrin
- Institut
des Biomolécules Max Mousseron (IBMM), UMR 5247-CNRS-UM-ENSCM, Université de Montpellier, 34093 CEDEX 5 Montpellier, France
| | - Claudia Bich-Muracciole
- Institut
des Biomolécules Max Mousseron (IBMM), UMR 5247-CNRS-UM-ENSCM, Université de Montpellier, 34093 CEDEX 5 Montpellier, France
| | - Coral Barbas
- Centre
for Metabolomics and Bioanalysis (CEMBIO), Department of Chemistry
and Biochemistry, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización
Montepríncipe, Boadilladel
Monte 28660, Madrid, Spain
| | - Ángeles
López Gonzálvez
- Centre
for Metabolomics and Bioanalysis (CEMBIO), Department of Chemistry
and Biochemistry, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización
Montepríncipe, Boadilladel
Monte 28660, Madrid, Spain
| | - Andras Guttman
- Horváth
Csaba Memorial Laboratory of Bioseparation Sciences, Research Center
for Molecular Medicine, Faculty of Medicine, Doctoral School of Molecular
Medicine, University of Debrecen, 98 Nagyerdei Road, H-4032 Debrecen, Hungary
- Translation
Glycomics Group, Research Institute of Biomolecular and Chemical Engineering, University of Pannonia, 10 Egyetem Street, Veszprem H-8200, Hungary
- Sciex, 250 South Kraemer Boulevard, Brea, California 92821, United States
| | - Marton Szigeti
- Horváth
Csaba Memorial Laboratory of Bioseparation Sciences, Research Center
for Molecular Medicine, Faculty of Medicine, Doctoral School of Molecular
Medicine, University of Debrecen, 98 Nagyerdei Road, H-4032 Debrecen, Hungary
- Translation
Glycomics Group, Research Institute of Biomolecular and Chemical Engineering, University of Pannonia, 10 Egyetem Street, Veszprem H-8200, Hungary
| | - Philip Britz-McKibbin
- Department
of Chemistry and Chemical Biology, McMaster
University, 1280 Main St. W., Hamilton, Ontario L8S 4M1, Canada
| | - Zachary Kroezen
- Department
of Chemistry and Chemical Biology, McMaster
University, 1280 Main St. W., Hamilton, Ontario L8S 4M1, Canada
| | - Meera Shanmuganathan
- Department
of Chemistry and Chemical Biology, McMaster
University, 1280 Main St. W., Hamilton, Ontario L8S 4M1, Canada
| | - Peter Nemes
- Department
of Chemistry & Biochemistry, University
of Maryland, College
Park, Maryland 20742, United States
| | - Erika P. Portero
- Department
of Chemistry & Biochemistry, University
of Maryland, College
Park, Maryland 20742, United States
| | - Thomas Hankemeier
- Division
of Systems Biomedicine and Pharmacology, Leiden Academic Centre for
Drug Research, Leiden University, 2311 G Leiden, The Netherlands
| | - Santiago Codesido
- School
of Pharmaceutical Sciences, University of
Geneva, Rue Michel Servet 1, 1211 4 Geneva, Switzerland
- Institute
of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Rue Michel Servet 1, 1211 4 Geneva, Switzerland
| | - Víctor González-Ruiz
- School
of Pharmaceutical Sciences, University of
Geneva, Rue Michel Servet 1, 1211 4 Geneva, Switzerland
- Institute
of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Rue Michel Servet 1, 1211 4 Geneva, Switzerland
- Swiss Centre for Applied Human Toxicology
(SCAHT), Missionsstrasse
64, 4055 Bâle, Switzerland
| | - Serge Rudaz
- School
of Pharmaceutical Sciences, University of
Geneva, Rue Michel Servet 1, 1211 4 Geneva, Switzerland
- Institute
of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Rue Michel Servet 1, 1211 4 Geneva, Switzerland
- Swiss Centre for Applied Human Toxicology
(SCAHT), Missionsstrasse
64, 4055 Bâle, Switzerland
| | - Rawi Ramautar
- Division
of Systems Biomedicine and Pharmacology, Leiden Academic Centre for
Drug Research, Leiden University, 2311 G Leiden, The Netherlands
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19
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Braun F, Rinschen M, Buchner D, Bohl K, Plagmann I, Bachurski D, Richard Späth M, Antczak P, Göbel H, Klein C, Lackmann J, Kretz O, Puelles VG, Wahba R, Hallek M, Schermer B, Benzing T, Huber TB, Beyer A, Stippel D, Kurschat CE, Müller R. The proteomic landscape of small urinary extracellular vesicles during kidney transplantation. J Extracell Vesicles 2020; 10:e12026. [PMID: 33304478 PMCID: PMC7710132 DOI: 10.1002/jev2.12026] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 09/05/2020] [Accepted: 10/10/2020] [Indexed: 12/24/2022] Open
Abstract
Kidney transplantation is the preferred renal replacement therapy available. Yet, long-term transplant survival is unsatisfactory, partially due to insufficient possibilities of longitudinal monitoring and understanding of the biological processes after transplantation. Small urinary extracellular vesicles (suEVs) - as a non-invasive source of information - were collected from 22 living donors and recipients. Unbiased proteomic analysis revealed temporal patterns of suEV protein signature and cellular processes involved in both early response and longer-term graft adaptation. Complement activation was among the most dynamically regulated components. This unique atlas of the suEV proteome is provided through an online repository allowing dynamic interrogation by the user. Additionally, a correlative analysis identified putative prognostic markers of future allograft function. One of these markers - phosphoenol pyruvate carboxykinase (PCK2) - could be confirmed using targeted MS in an independent validation cohort of 22 additional patients. This study sheds light on the impact of kidney transplantation on urinary extracellular vesicle content and allows the first deduction of early molecular processes in transplant biology. Beyond that our data highlight the potential of suEVs as a source of biomarkers in this setting.
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20
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Currie G, Mary S, Delles C. Is there a role for proteomics in diabetic renal disease? Nephrol Dial Transplant 2020; 35:1133-1135. [PMID: 32777079 PMCID: PMC7417003 DOI: 10.1093/ndt/gfz017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Indexed: 11/15/2022] Open
Affiliation(s)
- Gemma Currie
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Sheon Mary
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Christian Delles
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
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21
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Huang J, Pu K. Near-infrared fluorescent molecular probes for imaging and diagnosis of nephro-urological diseases. Chem Sci 2020; 12:3379-3392. [PMID: 34163613 PMCID: PMC8179423 DOI: 10.1039/d0sc02925d] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Accepted: 06/18/2020] [Indexed: 12/27/2022] Open
Abstract
Near-infrared (NIR) fluorescence imaging has improved imaging depth relative to conventional fluorescence imaging in the visible region, demonstrating great potential in both fundamental biomedical research and clinical practice. To improve the detection specificity, NIR fluorescence imaging probes have been under extensive development. This review summarizes the particular application of optical imaging probes with the NIR-I window (700-900 nm) or the NIR-II window (1000-1700 nm) emission for diagnosis of nephron-urological diseases. These molecular probes have enabled contrast-enhanced imaging of anatomical structures and physiological function as well as molecular imaging and early diagnosis of acute kidney injury, iatrogenic ureteral injury and bladder cancer. The design strategies of molecular probes are specifically elaborated along with representative imaging applications. The potential challenges and perspectives in this field are also discussed.
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Affiliation(s)
- Jiaguo Huang
- School of Chemical and Biomedical Engineering, Nanyang Technological University 70 Nanyang Drive Singapore 637457 Singapore
| | - Kanyi Pu
- School of Chemical and Biomedical Engineering, Nanyang Technological University 70 Nanyang Drive Singapore 637457 Singapore
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22
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He T, Siwy J, Metzger J, Mullen W, Mischak H, Schanstra JP, Zürbig P, Jankowski V. Associations of urinary polymeric immunoglobulin receptor peptides in the context of cardio-renal syndrome. Sci Rep 2020; 10:8291. [PMID: 32427855 PMCID: PMC7237418 DOI: 10.1038/s41598-020-65154-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 04/24/2020] [Indexed: 11/09/2022] Open
Abstract
The polymeric immunoglobulin receptor (pIgR) transports immunoglobulins from the basolateral to the apical surface of epithelial cells. PIgR was recently shown to be associated with kidney dysfunction. The immune defense is initiated at the apical surface of epithelial cells where the N-terminal domain of pIgR, termed secretory component (SC), is proteolytically cleaved and released either unbound (free SC) or bound to immunoglobulins. The aim of our study was to evaluate the association of pIgR peptides with the cardio-renal syndrome in a large cohort and to obtain information on how the SC is released. We investigated urinary peptides of 2964 individuals available in the Human Urine Proteome Database generated using capillary electrophoresis coupled to mass spectrometry. The mean amplitude of 23 different pIgR peptides correlated negatively with the estimated glomerular filtration rate (eGFR, rho = −0.309, p < 0.0001). Furthermore, pIgR peptides were significantly increased in cardiovascular disease (coronary artery disease and heart failure) after adjustment for eGFR. We further predicted potential proteases involved in urinary peptide generation using the Proteasix algorithm. Peptide cleavage site analysis suggested that several, and not one, proteases are involved in the generation of the SC. In this large cohort, we could demonstrate that pIgR is associated with the cardio-renal syndrome and provided a more detailed insight on how pIgR can be potentially cleaved to release the SC.
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Affiliation(s)
- Tianlin He
- Mosaiques Diagnostics GmbH, Hannover, Germany.,Institute for Molecular Cardiovascular Research (IMCAR), University Hospital RWTH Aachen, Aachen, Germany
| | | | | | - William Mullen
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Harald Mischak
- Mosaiques Diagnostics GmbH, Hannover, Germany.,Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Joost P Schanstra
- INSERM U1048, Institute of Cardiovascular and Metabolic Diseases, Toulouse, France. .,Université Toulouse III Paul-Sabatier, Toulouse, France.
| | | | - Vera Jankowski
- Institute for Molecular Cardiovascular Research (IMCAR), University Hospital RWTH Aachen, Aachen, Germany
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23
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Buffin-Meyer B, Tkaczyk M, Stańczyk M, Breuil B, Siwy J, Szaflik K, Talar T, Wojtera J, Krzeszowski W, Decramer S, Klein J, Schanstra JP. A single-center study to evaluate the efficacy of a fetal urine peptide signature predicting postnatal renal outcome in fetuses with posterior urethral valves. Pediatr Nephrol 2020; 35:469-475. [PMID: 31701236 DOI: 10.1007/s00467-019-04390-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 09/22/2019] [Accepted: 09/30/2019] [Indexed: 12/16/2022]
Abstract
BACKGROUND Posterior urethral valves (PUVs) account for 17% of pediatric renal failure. The management of pregnancies involving fetuses with PUV is hampered by the fact that current clinical parameters obtained from fetal ultrasound and/or fetal urine biochemistry are insufficient to predict postnatal renal function. We previously have developed a fetal urine peptide signature (12PUV) that predicted with high precision postnatal renal failure at 2 years of age in fetuses with PUV. Here, we evaluated the accuracy of this signature to predict postnatal renal outcome in fetuses with PUV in an independent single-center study. METHODS Thirty-three women carrying fetuses with suspected PUV were included. Twenty-five fetuses received vesicoamniotic shunts during pregnancy. PUV was confirmed postnatally in 23 patients. Of those 23 fetuses, 2 were lost in follow-up. Four and 3 patients died in the pre- and perinatal periods, respectively. Follow-up renal function at 6 months of age was obtained for the remaining 14 patients. The primary outcome was early renal failure, defined by an eGFR < 60 mL/min/1.73 m2 before 6 months of age or pre- or perinatal death. RESULTS The peptide signature predicted postnatal renal outcome in postnatally confirmed PUV fetuses with an AUC of 0.94 (95%CI 0.74-1.0) and an accuracy of 90% (95%CI 78-100). The signature predicted postnatal renal outcome for the suspected PUV cases with an AUC of 0.89 (95%CI 0.72-0.97) and an accuracy of 84% (95%CI 71-97). CONCLUSIONS This single-center study confirms the predictive power of the previously identified 12PUV fetal urinary peptide signature.
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Affiliation(s)
- Bénédicte Buffin-Meyer
- Institut National de la Santé et de la Recherche Médicale (INSERM), U1048, Institut of Cardiovascular and Metabolic Disease, Toulouse, France
- Université Toulouse III Paul-Sabatier, Toulouse, France
| | - Marcin Tkaczyk
- Department of Pediatrics, Immunology and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz, Poland
| | - Małgorzata Stańczyk
- Department of Pediatrics, Immunology and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz, Poland
| | - Benjamin Breuil
- Institut National de la Santé et de la Recherche Médicale (INSERM), U1048, Institut of Cardiovascular and Metabolic Disease, Toulouse, France
- Université Toulouse III Paul-Sabatier, Toulouse, France
| | | | - Krzysztof Szaflik
- Department of Genecology, Fertility and Fetal Therapy, Polish Mother's Memorial Hospital - Research Institute, Lodz, Poland
| | - Tomasz Talar
- Department of Neonatology, Polish Mother's Memorial Hospital - Research Institute, Lodz, Poland
| | - Justyna Wojtera
- Department of Genecology, Fertility and Fetal Therapy, Polish Mother's Memorial Hospital - Research Institute, Lodz, Poland
| | - Waldemar Krzeszowski
- Department of Genecology, Fertility and Fetal Therapy, Polish Mother's Memorial Hospital - Research Institute, Lodz, Poland
| | - Stéphane Decramer
- Institut National de la Santé et de la Recherche Médicale (INSERM), U1048, Institut of Cardiovascular and Metabolic Disease, Toulouse, France
- Université Toulouse III Paul-Sabatier, Toulouse, France
- Service de Néphrologie Pédiatrique, Hôpital des Enfants, CHU Toulouse, Toulouse, France
- Centre de Référence des Maladies Rénales Rares du Sud-Ouest (SORARE), Toulouse, France
| | - Julie Klein
- Institut National de la Santé et de la Recherche Médicale (INSERM), U1048, Institut of Cardiovascular and Metabolic Disease, Toulouse, France
- Université Toulouse III Paul-Sabatier, Toulouse, France
| | - Joost P Schanstra
- Institut National de la Santé et de la Recherche Médicale (INSERM), U1048, Institut of Cardiovascular and Metabolic Disease, Toulouse, France.
- Université Toulouse III Paul-Sabatier, Toulouse, France.
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24
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Urinary peptidomics and bioinformatics for the detection of diabetic kidney disease. Sci Rep 2020; 10:1242. [PMID: 31988353 PMCID: PMC6985249 DOI: 10.1038/s41598-020-58067-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 01/07/2020] [Indexed: 01/15/2023] Open
Abstract
The aim of this study was to establish a peptidomic profile based on LC-MS/MS and random forest (RF) algorithm to distinguish the urinary peptidomic scenario of type 2 diabetes mellitus (T2DM) patients with different stages of diabetic kidney disease (DKD). Urine from 60 T2DM patients was collected: 22 normal (stage A1), 18 moderately increased (stage A2) and 20 severely increased (stage A3) albuminuria. A total of 1080 naturally occurring peptides were detected, which resulted in the identification of a total of 100 proteins, irrespective of the patients’ renal status. The classification accuracy showed that the most severe DKD (A3) presented a distinct urinary peptidomic pattern. Estimates for peptide importance assessed during RF model training included multiple fragments of collagen and alpha-1 antitrypsin, previously associated to DKD. Proteasix tool predicted 48 proteases potentially involved in the generation of the 60 most important peptides identified in the urine of DM patients, including metallopeptidases, cathepsins, and calpains. Collectively, our study lightened some biomarkers possibly involved in the pathogenic mechanisms of DKD, suggesting that peptidomics is a valuable tool for identifying the molecular mechanisms underpinning the disease and thus novel therapeutic targets.
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25
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Sirolli V, Pieroni L, Di Liberato L, Urbani A, Bonomini M. Urinary Peptidomic Biomarkers in Kidney Diseases. Int J Mol Sci 2019; 21:E96. [PMID: 31877774 PMCID: PMC6982248 DOI: 10.3390/ijms21010096] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Revised: 12/16/2019] [Accepted: 12/19/2019] [Indexed: 12/20/2022] Open
Abstract
In order to effectively develop personalized medicine for kidney diseases we urgently need to develop highly accurate biomarkers for use in the clinic, since current biomarkers of kidney damage (changes in serum creatinine and/or urine albumin excretion) apply to a later stage of disease, lack accuracy, and are not connected with molecular pathophysiology. Analysis of urine peptide content (urinary peptidomics) has emerged as one of the most attractive areas in disease biomarker discovery. Urinary peptidome analysis allows the detection of short and long-term physiological or pathological changes occurring within the kidney. Urinary peptidomics has been applied extensively for several years now in renal patients, and may greatly improve kidney disease management by supporting earlier and more accurate detection, prognostic assessment, and prediction of response to treatment. It also promises better understanding of kidney disease pathophysiology, and has been proposed as a "liquid biopsy" to discriminate various types of renal disorders. Furthermore, proteins being the major drug targets, peptidome analysis may allow one to evaluate the effects of therapies at the protein signaling pathway level. We here review the most recent findings on urinary peptidomics in the setting of the most common kidney diseases.
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Affiliation(s)
- Vittorio Sirolli
- Nephrology and Dialysis Unit, Department of Medicine, G. d’Annunzio University, Chieti-Pescara, SS.Annunziata Hospital, Via dei Vestini, 66013 Chieti, Italy; (V.S.); (L.D.L.)
| | - Luisa Pieroni
- Proteomics and Metabonomics Unit, IRCCS Fondazione Santa Lucia, 00179 Rome, Italy;
| | - Lorenzo Di Liberato
- Nephrology and Dialysis Unit, Department of Medicine, G. d’Annunzio University, Chieti-Pescara, SS.Annunziata Hospital, Via dei Vestini, 66013 Chieti, Italy; (V.S.); (L.D.L.)
| | - Andrea Urbani
- Institute of Biochemistry and Clinical Biochemistry, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
- Department of Laboratory Diagnostic and Infectious Diseases, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy
| | - Mario Bonomini
- Nephrology and Dialysis Unit, Department of Medicine, G. d’Annunzio University, Chieti-Pescara, SS.Annunziata Hospital, Via dei Vestini, 66013 Chieti, Italy; (V.S.); (L.D.L.)
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26
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Rauchman M, Griggs D. Emerging strategies to disrupt the central TGF-β axis in kidney fibrosis. Transl Res 2019; 209:90-104. [PMID: 31085163 PMCID: PMC6850218 DOI: 10.1016/j.trsl.2019.04.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 03/27/2019] [Accepted: 04/08/2019] [Indexed: 12/26/2022]
Abstract
Chronic kidney disease (CKD) affects more than 20 million people in the United States and the global burden of this disorder is increasing. Many affected individuals will progress to end stage kidney disease necessitating dialysis or transplantation. CKD is also a major independent contributor to the risk of cardiovascular morbidity and mortality. Tubulointerstitial fibrosis is a final common pathway for most causes of progressive CKD. Currently, there are no clinically available therapies targeting fibrosis that can slow the decline in kidney function. Although it has long been known that TGF-β signaling is a critical mediator of kidney fibrosis, translating this knowledge to the clinic has been challenging. In this review, we highlight some recent insights into the mechanisms of TGF-β signaling that target activation of this cytokine at the site of injury or selectively inhibit pro-fibrotic gene expression. Molecules directed at these targets hold the promise of attaining therapeutic efficacy while limiting toxicity seen with global inhibition of TGF-β. Kidney injury has profound epigenetic effects leading to altered expression of more than a thousand genes. We discuss how drugs targeting epigenetic modifications, some of which are in use for cancer therapy, have the potential to reprogram gene regulatory networks to favor adaptive repair and prevent fibrosis. The lack of reliable biomarkers of kidney fibrosis is a major limitation in designing clinical trials for testing CKD treatments. We conclude by reviewing recent advances in fibrosis biomarker development.
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Affiliation(s)
- Michael Rauchman
- Division of Nephrology, Department of Medicine, Washington University School of Medicine, Saint Louis, Missouri; VA St. Louis Health Care System, Saint Louis, Missouri.
| | - David Griggs
- Department of Molecular Microbiology and Immunology, Edward A. Doisy Research Center, Saint Louis University, Saint Louis, Missouri.
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27
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Virzì G, Clementi A, Battaglia G, Ronco C. Multi-Omics Approach: New Potential Key Mechanisms Implicated in Cardiorenal Syndromes. Cardiorenal Med 2019; 9:201-211. [DOI: 10.1159/000497748] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Accepted: 01/31/2019] [Indexed: 11/19/2022] Open
Abstract
Cardiorenal syndromes (CRS) include a scenario of clinical interactions characterized by the heart and kidney dysfunction. The crosstalk between cardiac and renal systems is clearly evidenced but not completely understood. Multi-factorial mechanisms leading to CRS do not involve only hemodynamic parameters. In fact, in recent works on organ crosstalk endothelial injury, the alteration of normal immunologic balance, cell death, inflammatory cascades, cell adhesion molecules, cytokine and chemokine overexpression, neutrophil migration, leukocyte trafficking, caspase-mediated induction of apoptotic mechanisms and oxidative stress has been demonstrated to induce distant organ dysfunction. Furthermore, new alternative mechanisms using the multi-omics approach may be implicated in the pathogenesis of cardiorenal crosstalk. The study of “omics” modifications in the setting of cardiovascular and renal disease represents an emerging area of research. Over the last years, indeed, many studies have elucidated the exact mechanisms involved in gene expression and regulation, cellular communication and organ crosstalk. In this review, we analyze epigenetics, gene expression, small non-coding RNAs, extracellular vesicles, proteomics, and metabolomics in the setting of CRS.
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28
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Cañadas-Garre M, Anderson K, McGoldrick J, Maxwell AP, McKnight AJ. Proteomic and metabolomic approaches in the search for biomarkers in chronic kidney disease. J Proteomics 2019; 193:93-122. [PMID: 30292816 DOI: 10.1016/j.jprot.2018.09.020] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2018] [Revised: 09/20/2018] [Accepted: 09/30/2018] [Indexed: 12/15/2022]
Abstract
Chronic kidney disease (CKD) is an aging-related disorder that represents a major global public health burden. Current biochemical biomarkers, such as serum creatinine and urinary albumin, have important limitations when used to identify the earliest indication of CKD or in tracking the progression to more advanced CKD. These issues underline the importance of finding and testing new molecular biomarkers that are capable of successfully meeting this clinical need. The measurement of changes in nature and/or levels of proteins and metabolites in biological samples from patients provide insights into pathophysiological processes. Proteomic and metabolomic techniques provide opportunities to record dynamic chemical signatures in patients over time. This review article presents an overview of the recent developments in the fields of metabolomics and proteomics in relation to CKD. Among the many different proteomic biomarkers proposed, there is particular interest in the CKD273 classifier, a urinary proteome biomarker reported to predict CKD progression and with implementation potential. Other individual non-invasive peptidomic biomarkers that are potentially relevant for CKD detection include type 1 collagen, uromodulin and mucin-1. Despite the limited sample sizes and variability of the metabolomics studies, some metabolites such as trimethylamine N-oxide, kynurenine and citrulline stand out as potential biomarkers in CKD.
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Affiliation(s)
- M Cañadas-Garre
- Epidemiology and Public Health Research Group, Centre for Public Health, Queen's University of Belfast, Regional Genetics Centre, Level A, Tower Block, Belfast City Hospital, Lisburn Road, Belfast BT9 7AB, United Kingdom; Regional Nephrology Unit, Belfast City Hospital, Belfast, United Kingdom.
| | - K Anderson
- Epidemiology and Public Health Research Group, Centre for Public Health, Queen's University of Belfast, Regional Genetics Centre, Level A, Tower Block, Belfast City Hospital, Lisburn Road, Belfast BT9 7AB, United Kingdom; Regional Nephrology Unit, Belfast City Hospital, Belfast, United Kingdom.
| | - J McGoldrick
- Epidemiology and Public Health Research Group, Centre for Public Health, Queen's University of Belfast, Regional Genetics Centre, Level A, Tower Block, Belfast City Hospital, Lisburn Road, Belfast BT9 7AB, United Kingdom; Regional Nephrology Unit, Belfast City Hospital, Belfast, United Kingdom.
| | - A P Maxwell
- Epidemiology and Public Health Research Group, Centre for Public Health, Queen's University of Belfast, Regional Genetics Centre, Level A, Tower Block, Belfast City Hospital, Lisburn Road, Belfast BT9 7AB, United Kingdom; Regional Nephrology Unit, Belfast City Hospital, Belfast, United Kingdom.
| | - A J McKnight
- Epidemiology and Public Health Research Group, Centre for Public Health, Queen's University of Belfast, Regional Genetics Centre, Level A, Tower Block, Belfast City Hospital, Lisburn Road, Belfast BT9 7AB, United Kingdom; Regional Nephrology Unit, Belfast City Hospital, Belfast, United Kingdom.
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29
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Hoyer KJR, Dittrich S, Bartram MP, Rinschen MM. Quantification of molecular heterogeneity in kidney tissue by targeted proteomics. J Proteomics 2019. [DOI: 10.1016/j.jprot.2018.03.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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30
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Zhou LT, Lv LL, Liu BC. Urinary Biomarkers of Renal Fibrosis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1165:607-623. [PMID: 31399987 DOI: 10.1007/978-981-13-8871-2_30] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Renal fibrosis is the common pathological pathway of progressive CKD. The commonly used biomarkers in clinical practice are not optimal to detect injury or predict prognosis. Therefore, it is crucial to develop novel biomarkers to allow prompt intervention. Urine serves as a valuable resource of biomarker discovery for kidney diseases. Owing to the rapid development of omics platforms and bioinformatics, research on novel urinary biomarkers for renal fibrosis has proliferated in recent years. In this chapter, we discuss the current status and provide basic knowledge in this field. We present novel promising biomarkers including tubular injury markers, proteins related to activated inflammation/fibrosis pathways, CKD273, transcriptomic biomarkers, as well as metabolomic biomarkers. Furthermore, considering the complex nature of the pathogenesis of renal fibrosis, we also highlight the combination of biomarkers to further improve the diagnostic and prognostic performance.
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Affiliation(s)
- Le-Ting Zhou
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, DingJiaQiao Road, Nanjing, China
| | - Lin-Li Lv
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, DingJiaQiao Road, Nanjing, China
| | - Bi-Cheng Liu
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, DingJiaQiao Road, Nanjing, China.
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31
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Urinary proteome in inherited nephrolithiasis. Urolithiasis 2018; 47:91-98. [DOI: 10.1007/s00240-018-01104-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Accepted: 12/08/2018] [Indexed: 12/18/2022]
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32
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Klein J, Schanstra JP. Implementation of Proteomics Biomarkers in Nephrology: From Animal Models to Human Application? Proteomics Clin Appl 2018; 13:e1800089. [PMID: 30334380 DOI: 10.1002/prca.201800089] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 10/09/2018] [Indexed: 12/20/2022]
Abstract
Preclinical animal models are extensively used in nephrology. In this review, the utility of performing proteome analysis of kidney tissue or urine in such models and transfer of the results to human application has been assessed. Analysis of the literature identified 68 relevant publications. Pathway analysis of the reported proteins clearly indicated links with known biological processes in kidney disease providing validation of the observed changes in the preclinical models. However, although most studies focused on the identification of early markers of kidney disease or prediction of its progression, none of the identified makers has made it to substantial validation in the clinic or at least in human samples. Especially in renal disease where urine is an abundant source of biomarkers of diseases of the kidney and the urinary tract, it therefore appears that the focus should be on human material based discovery studies. In contrast, the most valid information of proteome analysis of preclinical models in nephrology for translation in human disease resides in studies focusing on drug evaluation, both efficacy for translation to the clinic and for mechanistic insight.
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Affiliation(s)
- Julie Klein
- Institut National de la Santé et de la Recherche Médicale (INSERM), U1048, Institut of Cardiovascular and Metabolic Disease, Toulouse, France.,Université Toulouse III Paul-Sabatier, Toulouse, France
| | - Joost P Schanstra
- Institut National de la Santé et de la Recherche Médicale (INSERM), U1048, Institut of Cardiovascular and Metabolic Disease, Toulouse, France.,Université Toulouse III Paul-Sabatier, Toulouse, France
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33
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Gudehithlu KP, Hart PD, Vernik J, Sethupathi P, Dunea G, Arruda JAL, Singh AK. Peptiduria: a potential early predictor of diabetic kidney disease. Clin Exp Nephrol 2018; 23:56-64. [PMID: 30066159 DOI: 10.1007/s10157-018-1620-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Accepted: 07/07/2018] [Indexed: 12/27/2022]
Abstract
BACKGROUND To protect the kidney effectively with medication in type 2 diabetics, it is crucial to identify such at-risk patients early for treatment. We investigated whether peptiduria precedes proteinuria (the earliest urinary marker in our model), and thereby serve as an early predictor of diabetic nephropathy. METHODS A longitudinal study was performed in a rat model of diabetic nephropathy. Peptides, defined as degradation products of proteins of < 13 kD size, were quantified by a previously validated method using a combination of Lowry and Biorad protein assays. Peptides in urine were also confirmed by chromatographically separating low molecular weight fractions from urine and quantifying albumin fragments in these fractions by enzyme immunoassay. Also, the mechanism of peptiduria was addressed by measuring acid phosphatase, a marker of lysosomal activity, in urine and on kidney sections (histochemically). RESULTS In rats with diabetic nephropathy, proteinuria occurred after 12 weeks of diabetes, while peptiduria occurred as early as 2 weeks after diabetes. Peptiduria was confirmed by showing that the chromatographically separated low molecular weight fractions of urine containing albumin fragments is in proportion to the level of peptiduria. The time course of peptiduria paralleled the increase in urinary acid phosphatase suggesting that the mechanism of early peptiduria could be due to upregulation of lysosomal enzyme activity in the tubules. CONCLUSIONS Our results showing that peptiduria precedes proteinuria in diabetic nephropathy provide a compelling rationale to perform a prospective human clinical trial to investigate whether peptiduria can serve as an early predictor of diabetic nephropathy.
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Affiliation(s)
- Krishnamurthy P Gudehithlu
- Division of Nephrology, John H. Stroger, Jr. Hospital of Cook County (JSH), 1900 West Polk Street, Suite 643, Chicago, IL, 60612, USA.
| | - Peter D Hart
- Division of Nephrology, John H. Stroger, Jr. Hospital of Cook County (JSH), 1900 West Polk Street, Suite 643, Chicago, IL, 60612, USA.,Department of Internal Medicine, Rush University Medical College, Chicago, IL, USA.,The Hektoen Institute of Medicine, Chicago, IL, USA
| | - Jane Vernik
- Division of Nephrology, John H. Stroger, Jr. Hospital of Cook County (JSH), 1900 West Polk Street, Suite 643, Chicago, IL, 60612, USA.,Department of Internal Medicine, Rush University Medical College, Chicago, IL, USA
| | | | - George Dunea
- Division of Nephrology, John H. Stroger, Jr. Hospital of Cook County (JSH), 1900 West Polk Street, Suite 643, Chicago, IL, 60612, USA.,Section of Nephrology, University of Illinois at Chicago, Chicago, IL, USA.,The Hektoen Institute of Medicine, Chicago, IL, USA
| | - Jose A L Arruda
- Division of Nephrology, John H. Stroger, Jr. Hospital of Cook County (JSH), 1900 West Polk Street, Suite 643, Chicago, IL, 60612, USA.,Section of Nephrology, University of Illinois at Chicago, Chicago, IL, USA.,The Hektoen Institute of Medicine, Chicago, IL, USA
| | - Ashok K Singh
- Division of Nephrology, John H. Stroger, Jr. Hospital of Cook County (JSH), 1900 West Polk Street, Suite 643, Chicago, IL, 60612, USA.,Section of Nephrology, University of Illinois at Chicago, Chicago, IL, USA.,The Hektoen Institute of Medicine, Chicago, IL, USA
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34
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Buffin-Meyer B, Klein J, Breuil B, Muller F, Moulos P, Groussolles M, Bouali O, Bascands JL, Decramer S, Schanstra JP. Combination of the fetal urinary metabolome and peptidome for the prediction of postnatal renal outcome in fetuses with PUV. J Proteomics 2018; 184:1-9. [PMID: 29929039 DOI: 10.1016/j.jprot.2018.06.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 06/11/2018] [Accepted: 06/16/2018] [Indexed: 01/15/2023]
Abstract
Most of biomarker panels, extracted from single omics traits, still need improvement since they display a gray zone where prediction is uncertain. Here we verified whether a combination of omics traits, fetal urinary metabolites and peptides analyzed in the same sample, improved prediction of postnatal renal function in fetuses with posterior urethral valves (PUV) compared to individual omics traits. Using CE-MS, we explored the urinary metabolome of 13 PUV fetuses with end stage renal disease (ESRD) and 12 PUV fetuses without postnatal ESRD at 2 years postnatally. This allowed the selection of 24 differentially abundant metabolite features which were modelled into predictive classifiers, alone or in combination with 12 peptides previously identified as predictive of ESRD. Validation in 35 new fetuses showed that the combination of peptides and metabolites significantly outperformed the 24 metabolite features with increased AUC (0.987 vs 0.905), net reclassification improvement (36%) and better sensitivity accuracy (86% vs 60%). In addition, the two trait combination tended to improve, but without reaching statistical significance, the already high performances of the 12 peptide biomarkers (AUC 0.967, accuracy 80%). In conclusion, this study demonstrates the potential of cumulating different omics traits in biomarker research where single omics traits fall short. SIGNIFICANCE Although increasingly proposed in disease-diagnosis and -prognosis because of their improved efficacy over single markers, panels of body fluid biomarkers based on single omics analysis still fail to display perfect accuracy, probably due to biological variability. Here, we hypothesized that combination of different omics traits allowed to better capture this biological variability. As proof of concept, we studied the added value of fetal urine metabolites and peptides using CE-MS, starting from the same urine sample, to predict postnatal renal outcome in fetuses with posterior urethral valves. We observed that the prognostic power of combined metabolite and peptide markers was clearly higher than that of metabolites alone and slightly, but non-significantly, improved compared to the peptides alone. To our knowledge, this report is the first to demonstrate that combining multiomics traits extracted from (fetal) urine samples displays clear promise for kidney disease stratification.
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Affiliation(s)
- Bénédicte Buffin-Meyer
- Institut National de la Santé et de la Recherche Médicale (INSERM), U1048, Institut of Cardiovascular and Metabolic Disease, Toulouse, France; Université Toulouse III Paul-Sabatier, Toulouse, France.
| | - Julie Klein
- Institut National de la Santé et de la Recherche Médicale (INSERM), U1048, Institut of Cardiovascular and Metabolic Disease, Toulouse, France; Université Toulouse III Paul-Sabatier, Toulouse, France
| | - Benjamin Breuil
- Institut National de la Santé et de la Recherche Médicale (INSERM), U1048, Institut of Cardiovascular and Metabolic Disease, Toulouse, France; Université Toulouse III Paul-Sabatier, Toulouse, France
| | - Françoise Muller
- CHU Paris, Hôpital Robert Debré, Laboratoire de Biochimie-Hormonologie, Paris, France
| | | | - Marion Groussolles
- CHU Toulouse, Hôpital Paule de Viguier, Service d'Echographie et Diagnostic prénatal, Toulouse, France; INSERM, U1027, Toulouse, France
| | - Ourdia Bouali
- CHU Toulouse, Hôpital des Enfants, Service de Chirurgie viscérale, Toulouse, France
| | - Jean-Loup Bascands
- INSERM, U1188, Sainte Clotilde/La Réunion, France; Université de La Réunion, Sainte Clotilde/La Réunion, France
| | - Stéphane Decramer
- Institut National de la Santé et de la Recherche Médicale (INSERM), U1048, Institut of Cardiovascular and Metabolic Disease, Toulouse, France; Université Toulouse III Paul-Sabatier, Toulouse, France; CHU Toulouse, Hôpital des Enfants, Service de Néphrologie - Médecine Interne - Hypertension Pédiatrique, Toulouse, France
| | - Joost P Schanstra
- Institut National de la Santé et de la Recherche Médicale (INSERM), U1048, Institut of Cardiovascular and Metabolic Disease, Toulouse, France; Université Toulouse III Paul-Sabatier, Toulouse, France.
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35
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Pontillo C, Jacobs L, Staessen JA, Schanstra JP, Rossing P, Heerspink HJL, Siwy J, Mullen W, Vlahou A, Mischak H, Vanholder R, Zürbig P, Jankowski J. A urinary proteome-based classifier for the early detection of decline in glomerular filtration. Nephrol Dial Transplant 2018; 32:1510-1516. [PMID: 27387473 DOI: 10.1093/ndt/gfw239] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Accepted: 05/02/2016] [Indexed: 12/13/2022] Open
Abstract
Background Chronic kidney disease (CKD) progression is currently assessed by a decline in estimated glomerular filtration rate (eGFR) and/or an increase in urinary albumin excretion (UAE). However, these markers are considered either to be late-stage markers or to have low sensitivity or specificity. In this study, we investigated the performance of the urinary proteome-based classifier CKD273, compared with UAE, in a number of different narrow ranges of CKD severity, with each range separated by an eGFR of 10 mL/min/1.73 m 2 . Methods A total of 2672 patients with different CKD stages were included in the study. Of these, 394 individuals displayed a decline in eGFR of >5 mL/min/1.73 m 2 /year (progressors) and the remaining individuals were considered non-progressors. For all samples, UAE values and CKD273 classification scores were obtained. To assess UAE values and CKD273 scores at different disease stages, the cohort was divided according to baseline eGFRs of ≥80, 70-79, 60-69, 50-59, 40-49, 30-39 and <29 mL/min/1.73 m 2 . In addition, areas under the curve for CKD273 and UAE were calculated. Results In early stage CKD, the urinary proteome-based classifier performed significantly better than UAE in detecting progressors. In contrast, UAE performed better in patients with late-stage CKD. No significant difference in performance was found between CKD273 and UAE in patients with moderately reduced renal function. Conclusions These results suggest that urinary peptides, as combined in the CKD273 classifier, allow the detection of progressive CKD at early stages, a point where therapeutic intervention is more likely to be effective. However, late-stage disease, where irreversible damage of the kidney is already present, is better detected by UAE.
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Affiliation(s)
- Claudia Pontillo
- Mosaiques Diagnostics, Hanover, Germany.,Charité-Universitatsmedizin, Berlin, Germany
| | - Lotte Jacobs
- Department of Cardiovascular Sciences, University of Leuven, Leuven, Belgium
| | - Jan A Staessen
- Department of Cardiovascular Sciences, University of Leuven, Leuven, Belgium.,R&D VitaK Group, Maastricht University, Maastricht, The Netherlands
| | - Joost P Schanstra
- Institute of Metabolic and Cardiovascular Diseases, Inserm U1048, Toulouse, France.,Université Toulouse III Paul-Sabatier, Toulouse, France
| | - Peter Rossing
- Steno Diabetes Center, Gentofte, Denmark.,University of Aarhus, Aarhus, Denmark.,Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, Denmark
| | - Hiddo J L Heerspink
- Department of Clinical Pharmacy and Pharmacology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | | | | | - Antonia Vlahou
- Biomedical Research Foundation, Academy of Athens, Athens, Greece
| | - Harald Mischak
- Mosaiques Diagnostics, Hanover, Germany.,University of Glasgow, Glasgow, UK
| | - Ray Vanholder
- Nephrology Section, Department of Internal Medicine, Ghent University Hospital, Ghent, Belgium
| | | | - Joachim Jankowski
- Charité-Universitatsmedizin, Berlin, Germany.,Institute for Molecular Cardiovascular Research, University Hospital RWTH, Aachen, Germany.,Department of Pathology, Cardiovascular Research Institute Maastricht (CARIM), University of Maastricht, Maastricht, The Netherlands
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36
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Rhee EP. How Omics Data Can Be Used in Nephrology. Am J Kidney Dis 2018; 72:129-135. [PMID: 29478865 DOI: 10.1053/j.ajkd.2017.12.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Accepted: 12/10/2017] [Indexed: 02/07/2023]
Abstract
Advances in technology and computing now permit the high-throughput analysis of multiple domains of biological information, including the genome, transcriptome, proteome, and metabolome. These omics approaches, particularly comprehensive analysis of the genome, have catalyzed major discoveries in science and medicine, including in nephrology. However, they also generate large complex data sets that can be difficult to synthesize from a clinical perspective. This article seeks to provide an overview that makes omics technologies relevant to the practicing nephrologist, framing these tools as an extension of how we approach patient care in the clinic. More specifically, omics technologies reinforce the impact that genetic mutations can have on a range of kidney disorders, expand the catalogue of uremic molecules that accumulate in blood with kidney failure, enhance our ability to scrutinize urine beyond urinalysis for insight on renal pathology, and enable more extensive characterization of kidney tissue when a biopsy is performed. Although assay methodologies vary widely, all omics technologies share a common conceptual framework that embraces unbiased discovery at the molecular level. Ultimately, the application of these technologies seeks to elucidate a more mechanistic and individualized approach to the diagnosis and treatment of human disease.
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Affiliation(s)
- Eugene P Rhee
- Nephrology and Endocrinology Divisions, Massachusetts General Hospital, Boston, MA.
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37
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Saboia Z, Meneses G, Martins A, Daher E, Silva G. Association between syndecan-1 and renal function in adolescents with excess weight: evidence of subclinical kidney disease and endothelial dysfunction. Braz J Med Biol Res 2018; 51:e7174. [PMID: 29340529 PMCID: PMC5769763 DOI: 10.1590/1414-431x20177174] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Accepted: 10/26/2017] [Indexed: 01/30/2023] Open
Abstract
Excess weight (overweight and obesity) is associated with kidney and cardiovascular disease. The aim of this study was to investigate the association between syndecan-1 and renal function among adolescents with excess weight. A total of 56 students from a public school at Fortaleza, CE, Brazil, were investigated. The adolescents were submitted to anthropometric evaluation, including weight, height, blood pressure and body mass index. Blood and urine samples were collected for the determination of serum lipids (total cholesterol, high density lipoprotein cholesterol, low density lipoprotein cholesterol, triglycerides), and the endothelial injury biomarker syndecan-1. Participants' mean age was 16±1 years (range 14-19 years), and 68% were females. Overweight was observed in 4 cases (7.1%) and obesity in 7 (12.5%). Changes in serum lipid levels were more frequent in the overweight group. A positive correlation between syndecan-1 and serum creatinine (r=0.5, P=0.001) and triglycerides (r=0.37, P=0.004), and a negative correlation with glomerular filtration rate (r=-0.33, P=0.02) were found. These findings suggest that adolescents with excess weight present incipient changes at the cellular level that make them more vulnerable to the development of kidney and cardiovascular diseases.
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Affiliation(s)
- Z.M.R.M. Saboia
- Programa de Pós-Graduação em Saúde Coletiva, Centro de Ciências da Saúde, Universidade de Fortaleza, Fortaleza, CE, Brasil
- Coordenadoria do Serviço de Saúde, Instituto Federal de Educação, Ciência e Tecnologia do Ceará, Fortaleza, CE, Brasil
| | - G.C. Meneses
- Programa de Pós-Graduação em Farmacologia, Faculdade de Medicina, Universidade Federal do Ceará, Fortaleza, CE, Brasil
| | - A.M.C. Martins
- Programa de Pós-Graduação em Farmacologia, Faculdade de Medicina, Universidade Federal do Ceará, Fortaleza, CE, Brasil
| | - E.F. Daher
- Programa de Pós-Graduação em Ciências Médicas, Faculdade de Medicina, Universidade Federal do Ceará, Fortaleza, CE, Brasil
| | - G.B. Silva
- Programa de Pós-Graduação em Saúde Coletiva, Centro de Ciências da Saúde, Universidade de Fortaleza, Fortaleza, CE, Brasil
- Coordenadoria do Serviço de Saúde, Instituto Federal de Educação, Ciência e Tecnologia do Ceará, Fortaleza, CE, Brasil
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38
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Novel Kidney Injury Biomarkers Among Anabolic Androgenic Steroids Users - Evidence of Subclinical Kidney Disease. Asian J Sports Med 2018. [DOI: 10.5812/asjsm.65540] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
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39
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Krochmal M, Schanstra JP, Mischak H. Urinary peptidomics in kidney disease and drug research. Expert Opin Drug Discov 2017; 13:259-268. [DOI: 10.1080/17460441.2018.1418320] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Magdalena Krochmal
- Department of Biotechnology, Biomedical Research Foundation Academy of Athens, Athens, Greece
- Mosaiques Diagnostics GmbH, Hannover, Germany
| | - Joost P Schanstra
- Institut of Cardiovascular and Metabolic Disease, Institut National de la Santé et de la Recherche Médicale (INSERM), U1048, Toulouse, France
- Université Toulouse III Paul-Sabatier, Toulouse, France
| | - Harald Mischak
- Mosaiques Diagnostics GmbH, Hannover, Germany
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
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40
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Magalhães P, Pejchinovski M, Markoska K, Banasik M, Klinger M, Švec-Billá D, Rychlík I, Rroji M, Restivo A, Capasso G, Bob F, Schiller A, Ortiz A, Perez-Gomez MV, Cannata P, Sanchez-Niño MD, Naumovic R, Brkovic V, Polenakovic M, Mullen W, Vlahou A, Zürbig P, Pape L, Ferrario F, Denis C, Spasovski G, Mischak H, Schanstra JP. Association of kidney fibrosis with urinary peptides: a path towards non-invasive liquid biopsies? Sci Rep 2017; 7:16915. [PMID: 29208969 PMCID: PMC5717105 DOI: 10.1038/s41598-017-17083-w] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Accepted: 11/20/2017] [Indexed: 12/16/2022] Open
Abstract
Chronic kidney disease (CKD) is a prevalent cause of morbidity and mortality worldwide. A hallmark of CKD progression is renal fibrosis characterized by excessive accumulation of extracellular matrix (ECM) proteins. In this study, we aimed to investigate the correlation of the urinary proteome classifier CKD273 and individual urinary peptides with the degree of fibrosis. In total, 42 kidney biopsies and urine samples were examined. The percentage of fibrosis per total tissue area was assessed in Masson trichrome stained kidney tissues. The urinary proteome was analysed by capillary electrophoresis coupled to mass spectrometry. CKD273 displayed a significant and positive correlation with the degree of fibrosis (Rho = 0.430, P = 0.0044), while the routinely used parameters (glomerular filtration rate, urine albumin-to-creatinine ratio and urine protein-to-creatinine ratio) did not (Rho = -0.222; -0.137; -0.070 and P = 0.16; 0.39; 0.66, respectively). We identified seven fibrosis-associated peptides displaying a significant and negative correlation with the degree of fibrosis. All peptides were collagen fragments, suggesting that these may be causally related to the observed accumulation of ECM in the kidneys. CKD273 and specific peptides are significantly associated with kidney fibrosis; such an association could not be detected by other biomarkers for CKD. These non-invasive fibrosis-related biomarkers can potentially be implemented in future trials.
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Affiliation(s)
- Pedro Magalhães
- Mosaiques Diagnostics GmbH, Hannover, Germany
- Department of Pediatric Nephrology, Hannover Medical School, Hannover, Germany
| | | | - Katerina Markoska
- Department of Nephrology, Medical Faculty, University of Skopje, Skopje, Macedonia
| | - Miroslaw Banasik
- Department of Nephrology and Transplantation Medicine, Wroclaw Medical University, Wroclaw, Poland
| | - Marian Klinger
- Department of Nephrology and Transplantation Medicine, Wroclaw Medical University, Wroclaw, Poland
| | - Dominika Švec-Billá
- 1st Department of Medicine, Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Ivan Rychlík
- 1st Department of Medicine, Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Merita Rroji
- Department of Nephrology, University Hospital Center "Mother Teresa", Tirana, Albania
| | - Arianna Restivo
- Department of Nephrology, University of Campania "Luigi Vanvitelli", Naples, Italy
| | | | - Flaviu Bob
- Department of Nephrology, 'Victor Babes' University of Medicine and Pharmacy, County Emergency Hospital, Timisoara, Romania
| | - Adalbert Schiller
- Department of Nephrology, 'Victor Babes' University of Medicine and Pharmacy, County Emergency Hospital, Timisoara, Romania
| | | | | | | | | | - Radomir Naumovic
- Clinic of Nephrology, Clinical Center of Serbia, Belgrade, Serbia
- School of Medicine, University of Belgrade, Belgrade, Serbia
| | - Voin Brkovic
- Clinic of Nephrology, Clinical Center of Serbia, Belgrade, Serbia
- School of Medicine, University of Belgrade, Belgrade, Serbia
| | | | - William Mullen
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Antonia Vlahou
- Biotechnology Division, Biomedical Research Foundation, Academy of Athens, Athens, Greece
| | | | - Lars Pape
- Department of Pediatric Nephrology, Hannover Medical School, Hannover, Germany
| | | | - Colette Denis
- Institut National de la Santé et de la Recherche Médicale (INSERM), Institute of Cardiovascular and Metabolic Disease, Toulouse, France
- Université Toulouse III Paul-Sabatier, Toulouse, France
| | - Goce Spasovski
- Department of Nephrology, Medical Faculty, University of Skopje, Skopje, Macedonia
| | - Harald Mischak
- Mosaiques Diagnostics GmbH, Hannover, Germany
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Joost P Schanstra
- Institut National de la Santé et de la Recherche Médicale (INSERM), Institute of Cardiovascular and Metabolic Disease, Toulouse, France.
- Université Toulouse III Paul-Sabatier, Toulouse, France.
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41
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Pontillo C, Zhang ZY, Schanstra JP, Jacobs L, Zürbig P, Thijs L, Ramírez-Torres A, Heerspink HJ, Lindhardt M, Klein R, Orchard T, Porta M, Bilous RW, Charturvedi N, Rossing P, Vlahou A, Schepers E, Glorieux G, Mullen W, Delles C, Verhamme P, Vanholder R, Staessen JA, Mischak H, Jankowski J. Prediction of Chronic Kidney Disease Stage 3 by CKD273, a Urinary Proteomic Biomarker. Kidney Int Rep 2017; 2:1066-1075. [PMID: 29130072 PMCID: PMC5669285 DOI: 10.1016/j.ekir.2017.06.004] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Introduction CKD273 is a urinary biomarker, which in advanced chronic kidney disease predicts further deterioration. We investigated whether CKD273 can also predict a decline of estimated glomerular filtration rate (eGFR) to <60 ml/min per 1.73 m2. Methods In analyses of 2087 individuals from 6 cohorts (46.4% women; 73.5% with diabetes; mean age, 46.1 years; eGFR ≥ 60 ml/min per 1.73 m2, 100%; urinary albumin excretion rate [UAE] ≥20 μg/min, 6.2%), we accounted for cohort, sex, age, mean arterial pressure, diabetes, and eGFR at baseline and expressed associations per 1-SD increment in urinary biomarkers. Results Over 5 (median) follow-up visits, eGFR decreased more with higher baseline CKD273 than UAE (1.64 vs. 0.82 ml/min per 1.73 m2; P < 0.0001). Over 4.6 years (median), 390 participants experienced a first renal endpoint (eGFR decrease by ≥10 to <60 ml/min per 1.73 m2), and 172 experienced an endpoint sustained over follow-up. The risk of a first and sustained renal endpoint increased with UAE (hazard ratio ≥ 1.23; P ≤ 0.043) and CKD273 (≥ 1.20; P ≤ 0.031). UAE (≥20 μg/min) and CKD273 (≥0.154) thresholds yielded sensitivities of 30% and 33% and specificities of 82% and 83% (P ≤ 0.0001 for difference between UAE and CKD273 in proportion of correctly classified individuals). As continuous markers, CKD273 (P = 0.039), but not UAE (P = 0.065), increased the integrated discrimination improvement, while both UAE and CKD273 improved the net reclassification index (P ≤ 0.0003), except for UAE per threshold (P = 0.086). Discussion In conclusion, while accounting for baseline eGFR, albuminuria, and covariables, CKD273 adds to the prediction of stage 3 chronic kidney disease, at which point intervention remains an achievable therapeutic target.
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Affiliation(s)
- Claudia Pontillo
- Mosaiques Diagnostics GmbH, Hannover, Germany
- Charité-Universitätsmedizin, Berlin, Germany
| | - Zhen-Yu Zhang
- Studies Coordinating Centre, Research Unit Hypertension and Cardiovascular Epidemiology, KU Leuven Department of Cardiovascular Diseases, University of Leuven, Leuven, Belgium
| | - Joost P. Schanstra
- Institute of Cardiovascular and Metabolic Disease, Institut National de la Santé et de la Recherche Médicale (INSERM), Toulouse, France
- Université Toulouse III Paul-Sabatier, Toulouse, France
| | - Lotte Jacobs
- Studies Coordinating Centre, Research Unit Hypertension and Cardiovascular Epidemiology, KU Leuven Department of Cardiovascular Diseases, University of Leuven, Leuven, Belgium
| | | | - Lutgarde Thijs
- Studies Coordinating Centre, Research Unit Hypertension and Cardiovascular Epidemiology, KU Leuven Department of Cardiovascular Diseases, University of Leuven, Leuven, Belgium
| | | | - Hiddo J.L. Heerspink
- Department of Clinical Pharmacy and Pharmacology, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands
| | | | - Ronald Klein
- Department of Ophthalmology and Visual Sciences, University of Wisconsin School of Medicine and Public Health, Madison Wisconsin, USA
| | - Trevor Orchard
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Massimo Porta
- Department of Medical Sciences, University of Turin, Torino, Italy
| | - Rudolf W. Bilous
- Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - Nishi Charturvedi
- Institute of Cardiovascular Sciences, University College London, London, UK
| | - Peter Rossing
- Steno Diabetes Centre, Gentofte, Denmark
- Faculty of Health, University of Aarhus, Aarhus, Denmark
- Faculty of Health, University of Copenhagen, Copenhagen, Denmark
| | - Antonia Vlahou
- Biotechnology Division, Biomedical Research Foundation, Academy of Athens, Athens, Greece
| | - Eva Schepers
- Nephrology Section, Department of Internal Medicine, Ghent University Hospital, Ghent, Belgium
| | - Griet Glorieux
- Nephrology Section, Department of Internal Medicine, Ghent University Hospital, Ghent, Belgium
| | - William Mullen
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Christian Delles
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Peter Verhamme
- Centre for Molecular and Vascular Biology, KU Leuven Department of Cardiovascular Sciences, University of Leuven, Leuven, Belgium
| | - Raymond Vanholder
- Nephrology Section, Department of Internal Medicine, Ghent University Hospital, Ghent, Belgium
| | - Jan A. Staessen
- Studies Coordinating Centre, Research Unit Hypertension and Cardiovascular Epidemiology, KU Leuven Department of Cardiovascular Diseases, University of Leuven, Leuven, Belgium
- R&D Group VitaK, Maastricht University, Maastricht, The Netherlands
- Correspondence: Jan A. Staessen, Studies Coordinating Centre, Research Unit Hypertension and Cardiovascular Epidemiology, KU Leuven Department of Cardiovascular Diseases, University of Leuven, Campus Sint Rafaël, Kapucijnenvoer 35, Box 7001, BE-3000 Leuven, Belgium.Studies Coordinating CentreResearch Unit Hypertension and Cardiovascular EpidemiologyKU Leuven Department of Cardiovascular DiseasesUniversity of LeuvenCampus Sint RafaëlKapucijnenvoer 35, Box 7001BE-3000 LeuvenBelgium
| | - Harald Mischak
- Mosaiques Diagnostics GmbH, Hannover, Germany
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Joachim Jankowski
- University Hospital, Rheinisch-Westfälische Technische Hochschule Aachen, Aachen, Germany
- Department of Pathology, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, The Netherlands
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Zhang ZY, Ravassa S, Pejchinovski M, Yang WY, Zürbig P, López B, Wei FF, Thijs L, Jacobs L, González A, Voigt JU, Verhamme P, Kuznetsova T, Díez J, Mischak H, Staessen JA. A Urinary Fragment of Mucin-1 Subunit α Is a Novel Biomarker Associated With Renal Dysfunction in the General Population. Kidney Int Rep 2017; 2:811-820. [PMID: 28920100 PMCID: PMC5589115 DOI: 10.1016/j.ekir.2017.03.012] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2016] [Revised: 03/04/2017] [Accepted: 03/31/2017] [Indexed: 01/14/2023] Open
Abstract
INTRODUCTION Sequencing peptides included in the urinary proteome identifies the parent proteins and may reveal mechanisms underlying the pathophysiology of chronic kidney disease. METHODS In 805 randomly recruited Flemish individuals (50.8% women; mean age, 51.1 years), we determined the estimated glomerular filtration rate (eGFR) from serum creatinine using the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation. We categorized eGFR according to the National Kidney Foundation Kidney Disease Outcomes Quality Initiative guideline. We analyzed 74 sequenced urinary peptides with a detectable signal in more than 95% of participants. Follow-up measurements of eGFR were available in 597 participants. RESULTS In multivariable analyses, baseline eGFR decreased (P ≤ 0.022) with urinary fragments of mucin-1 (standardized association size expressed in ml/min/1.73 m2, -4.48), collagen III (-2.84), and fibrinogen (-1.70) and was bi-directionally associated (P ≤ 0.0006) with 2 urinary collagen I fragments (+2.28 and -3.20). The eGFR changes over 5 years (follow-up minus baseline) resulted in consistent estimates (P ≤ 0.025) for mucin-1 (-1.85), collagen (-1.37 to 1.43) and fibrinogen (-1.45) fragments. Relative risk of having or progressing to eGFR <60 ml/min/1.73 m2 was associated with mucin-1. Partial least-squares analysis confirmed mucin-1 as the strongest urinary marker associated with decreased eGFR, with a score of 2.47 compared with 1.80 for a collagen I fragment as the next contender. Mucin-1 predicted eGFR decline to <60 ml/min/1.73 m2 over and above microalbuminuria (P = 0.011) and retained borderline significance (P = 0.05) when baseline eGFR was accounted for. DISCUSSION In the general population, mucin-1 subunit α, an extracellular protein that is shed from renal tubular epithelium, is a novel biomarker associated with renal dysfunction.
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Affiliation(s)
- Zhen-Yu Zhang
- Studies Coordinating Centre, Research Unit Hypertension and Cardiovascular Epidemiology, KU Leuven Department of Cardiovascular Diseases, University of Leuven, Leuven, Belgium
| | - Susana Ravassa
- Program of Cardiovascular Diseases, Centre for Applied Medical Research, University of Navarra, Navarra Institute for Health Research, Pamplona, Spain.,CIBERCV, Carlos III Institute of Health, Madrid, Spain
| | | | - Wen-Yi Yang
- Studies Coordinating Centre, Research Unit Hypertension and Cardiovascular Epidemiology, KU Leuven Department of Cardiovascular Diseases, University of Leuven, Leuven, Belgium
| | - Petra Zürbig
- Mosaiques Diagnostic and Therapeutics AG, Hannover, Germany
| | - Begoña López
- Program of Cardiovascular Diseases, Centre for Applied Medical Research, University of Navarra, Navarra Institute for Health Research, Pamplona, Spain.,CIBERCV, Carlos III Institute of Health, Madrid, Spain
| | - Fang-Fei Wei
- Studies Coordinating Centre, Research Unit Hypertension and Cardiovascular Epidemiology, KU Leuven Department of Cardiovascular Diseases, University of Leuven, Leuven, Belgium
| | - Lutgarde Thijs
- Studies Coordinating Centre, Research Unit Hypertension and Cardiovascular Epidemiology, KU Leuven Department of Cardiovascular Diseases, University of Leuven, Leuven, Belgium
| | - Lotte Jacobs
- Studies Coordinating Centre, Research Unit Hypertension and Cardiovascular Epidemiology, KU Leuven Department of Cardiovascular Diseases, University of Leuven, Leuven, Belgium
| | - Arantxa González
- Program of Cardiovascular Diseases, Centre for Applied Medical Research, University of Navarra, Navarra Institute for Health Research, Pamplona, Spain.,CIBERCV, Carlos III Institute of Health, Madrid, Spain
| | - Jens-Uwe Voigt
- Research Unit Cardiology, KU Leuven Department of Cardiovascular Diseases, University of Leuven, Leuven, Belgium
| | - Peter Verhamme
- Centre for Molecular and Vascular Biology, KU Leuven Department of Cardiovascular Diseases, University of Leuven, Leuven, Belgium
| | - Tatiana Kuznetsova
- Studies Coordinating Centre, Research Unit Hypertension and Cardiovascular Epidemiology, KU Leuven Department of Cardiovascular Diseases, University of Leuven, Leuven, Belgium
| | - Javier Díez
- Program of Cardiovascular Diseases, Centre for Applied Medical Research, University of Navarra, Navarra Institute for Health Research, Pamplona, Spain.,CIBERCV, Carlos III Institute of Health, Madrid, Spain.,Department of Cardiology and Cardiac Surgery, University of Navarra Clinic, Pamplona, Spain
| | - Harald Mischak
- Mosaiques Diagnostic and Therapeutics AG, Hannover, Germany.,BHF Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, United Kingdom
| | - Jan A Staessen
- Studies Coordinating Centre, Research Unit Hypertension and Cardiovascular Epidemiology, KU Leuven Department of Cardiovascular Diseases, University of Leuven, Leuven, Belgium.,R&D Group VitaK, Maastricht University, Maastricht, The Netherlands
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Li Y, Xu J, Su X. Analysis of Urine Composition in Type II Diabetic Mice after Intervention Therapy Using Holothurian Polypeptides. Front Chem 2017; 5:54. [PMID: 28798909 PMCID: PMC5526924 DOI: 10.3389/fchem.2017.00054] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Accepted: 07/11/2017] [Indexed: 12/21/2022] Open
Abstract
Hydrolysates and peptide fractions (PF) obtained from sea cucumber with commercial enzyme were studied on the hyperglycemic and renal protective effects on db/db rats using urine metabolomics. Compared with the control group the polypeptides from the two species could significantly reduce the urine glucose and urea. We also tried to address the compositions of highly expressed urinary proteins using a proteomics approach. They were serum albumins, AMBP proteins, negative trypsin, elastase, and urinary protein, GAPDH, a receptor of urokinase-type plasminogen activator (uPAR), and Ig kappa chain C region. We used the electronic nose to quickly detect changes in the volatile substances in mice urine after holothurian polypeptides (HPP) fed, and the results show it can identify the difference between treatment groups with the control group without overlapping. The protein express mechanism of HPP treating diabetes was discussed, and we suggested these two peptides with the hypoglycemic and renal protective activity might be utilized as nutraceuticals.
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Affiliation(s)
- Yanyan Li
- School of Marine Science, Ningbo UniversityZhejiang, China
- Department of Food Science, Cornell UniversityIthaca, NY, United States
| | - Jiajie Xu
- School of Marine Science, Ningbo UniversityZhejiang, China
- College of Engineering, China Agricultural UniversityBeijing, China
| | - Xiurong Su
- School of Marine Science, Ningbo UniversityZhejiang, China
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44
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Miura Y, Furukawa T, Kobayashi M, Shrestha R, Takahashi R, Shimizu C, Chiba H, Hui SP. Absolute quantification of cholesteryl esters using liquid chromatography-tandem mass spectrometry uncovers novel diagnostic potential of urinary sediment. Steroids 2017; 123:43-49. [PMID: 28502858 DOI: 10.1016/j.steroids.2017.05.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Revised: 04/20/2017] [Accepted: 05/03/2017] [Indexed: 11/20/2022]
Abstract
BACKGROUND Urine has been utilized as a source of biomarkers in renal disease. However, urinary lipids have not attracted much attention so far. Here we studied urinary cholesteryl ester (CE) and its relevance in renal disease. METHODS Quantitative analysis of CE molecular species in serum, urinary supernatant, and urinary sediment from patients with renal disease (N=64) and non-renal disease (N=23) was carried out using liquid chromatography-tandem mass spectrometry (LC-MS/MS) and deuterated CEs as internal standards. RESULTS Validation study showed good precision and accuracy of LC-MS/MS. Many CE species were detected in the urinary sediment and supernatant in the renal disease group, whereas only a few CE species were detected in the other group. In the renal disease group, the sum of the concentrations of all CE species showed a significant correlation between the sediment and the supernatant from urinary samples (r=0.876, p<0.001); however, the composition of CEs was significantly different between them. Further, the composition of CEs of the supernatant was similar to that of the serum. CONCLUSIONS Our LC-MS/MS analysis uncovered a distinct CE profile in urinary sediment from patients with renal disease, suggesting a possible contribution of CEs in urothelial cells to the development of renal disease.
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Affiliation(s)
- Yusuke Miura
- Faculty of Health Sciences, Hokkaido University, Kita-12, Nishi-5, Kita-ku, Sapporo 060-0812, Japan
| | - Takayuki Furukawa
- Faculty of Health Sciences, Hokkaido University, Kita-12, Nishi-5, Kita-ku, Sapporo 060-0812, Japan
| | - Miho Kobayashi
- Division of Laboratory and Transfusion Medicine, Hokkaido University Hospital, Kita-14, Nishi-5, Kita-ku, Sapporo 060-8648, Japan
| | - Rojeet Shrestha
- Faculty of Health Sciences, Hokkaido University, Kita-12, Nishi-5, Kita-ku, Sapporo 060-0812, Japan
| | - Ryoji Takahashi
- Faculty of Health Sciences, Hokkaido University, Kita-12, Nishi-5, Kita-ku, Sapporo 060-0812, Japan
| | - Chikara Shimizu
- Division of Laboratory and Transfusion Medicine, Hokkaido University Hospital, Kita-14, Nishi-5, Kita-ku, Sapporo 060-8648, Japan
| | - Hitoshi Chiba
- Faculty of Health Sciences, Hokkaido University, Kita-12, Nishi-5, Kita-ku, Sapporo 060-0812, Japan
| | - Shu-Ping Hui
- Faculty of Health Sciences, Hokkaido University, Kita-12, Nishi-5, Kita-ku, Sapporo 060-0812, Japan.
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45
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Lin YC, Hwu Y, Huang GS, Hsiao M, Lee TT, Yang SM, Lee TK, Chen NY, Yang SS, Chen A, Ka SM. Differential synchrotron X-ray imaging markers based on the renal microvasculature for tubulointerstitial lesions and glomerulopathy. Sci Rep 2017; 7:3488. [PMID: 28615647 PMCID: PMC5471266 DOI: 10.1038/s41598-017-03677-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Accepted: 05/03/2017] [Indexed: 12/13/2022] Open
Abstract
High resolution synchrotron microtomography capable of revealing microvessels in three dimensional (3D) establishes distinct imaging markers of mouse kidney disease strongly associated to renal tubulointerstitial (TI) lesions and glomerulopathy. Two complementary mouse models of chronic kidney disease (CKD), unilateral ureteral obstruction (UUO) and focal segmental glomerulosclerosis (FSGS), were used and five candidates of unique 3D imaging markers were identified. Our characterization to differentially reflect the altered microvasculature of renal TI lesions and/or glomerulopathy demonstrated these image features can be used to differentiate the disease status and the possible cause therefore qualified as image markers. These 3D imaging markers were further correlated with the histopathology and renal microvessel-based molecular study using antibodies against vascular endothelial cells (CD31), the connective tissue growth factor or the vascular endothelial growth factor. We also found that these 3D imaging markers individually characterize the development of renal TI lesions or glomerulopathy, quantitative and integrated use of all of them provide more information for differentiating the two renal conditions. Our findings thus establish a practical strategy to characterize the CKD-associated renal injuries by the microangiography-based 3D imaging and highlight the impact of dysfunctional microvasculature as a whole on the pathogenesis of the renal lesions.
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Affiliation(s)
- Yu-Chuan Lin
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan
| | - Yeukuang Hwu
- Institute of Physics, Academia Sinica, Taipei, Taiwan
| | - Guo-Shu Huang
- Department of Radiology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Michael Hsiao
- Genomics Research Center, Academia Sinica, Taipei, Taiwan
| | - Tsung-Tse Lee
- Institute of Physics, Academia Sinica, Taipei, Taiwan
| | - Shun-Min Yang
- Institute of Physics, Academia Sinica, Taipei, Taiwan
| | - Ting-Kuo Lee
- Institute of Physics, Academia Sinica, Taipei, Taiwan
| | - Nan-Yow Chen
- National Center for High-Performance Computing, Hsinchu, Taiwan
| | - Sung-Sen Yang
- Division of Nephrology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Ann Chen
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan.
- Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
| | - Shuk-Man Ka
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan.
- Graduate Institute of Aerospace and Undersea Medicine, Academy of Medicine, National Defense Medical Center, Taipei, Taiwan.
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Majerova P, Barath P, Michalicova A, Katina S, Novak M, Kovac A. Changes of Cerebrospinal Fluid Peptides due to Tauopathy. J Alzheimers Dis 2017; 58:507-520. [DOI: 10.3233/jad-170110] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Petra Majerova
- Institute of Neuroimmunology, Slovak Academy of Sciences, Bratislava, Slovak Republic
- AXON Neuroscience R&D, Bratislava, Slovak Republic
| | - Peter Barath
- Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Alena Michalicova
- Institute of Neuroimmunology, Slovak Academy of Sciences, Bratislava, Slovak Republic
- AXON Neuroscience R&D, Bratislava, Slovak Republic
| | - Stanislav Katina
- AXON Neuroscience R&D, Bratislava, Slovak Republic
- Institute of Mathematics and Statistics, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Michal Novak
- Institute of Neuroimmunology, Slovak Academy of Sciences, Bratislava, Slovak Republic
- AXON Neuroscience R&D, Bratislava, Slovak Republic
| | - Andrej Kovac
- Institute of Neuroimmunology, Slovak Academy of Sciences, Bratislava, Slovak Republic
- AXON Neuroscience R&D, Bratislava, Slovak Republic
- Department of Pharmacology and Toxicology, The University of Veterinary Medicine and Pharmacy, Kosice, Slovak Republic
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Next-generation capillary electrophoresis–mass spectrometry approaches in metabolomics. Curr Opin Biotechnol 2017; 43:1-7. [DOI: 10.1016/j.copbio.2016.07.002] [Citation(s) in RCA: 84] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Revised: 06/28/2016] [Accepted: 07/04/2016] [Indexed: 12/14/2022]
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48
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Siebert S, Porter D, Paterson C, Hampson R, Gaya D, Latosinska A, Mischak H, Schanstra J, Mullen W, McInnes I. Urinary proteomics can define distinct diagnostic inflammatory arthritis subgroups. Sci Rep 2017; 7:40473. [PMID: 28091549 PMCID: PMC5320079 DOI: 10.1038/srep40473] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Accepted: 12/06/2016] [Indexed: 01/17/2023] Open
Abstract
Current diagnostic tests applied to inflammatory arthritis lack the necessary specificity to appropriately categorise patients. There is a need for novel approaches to classify patients with these conditions. Herein we explored whether urinary proteomic biomarkers specific for different forms of arthritis (rheumatoid arthritis (RA), psoriatic arthritis (PsA), osteoarthritis (OA)) or chronic inflammatory conditions (inflammatory bowel disease (IBD)) can be identified. Fifty subjects per group with RA, PsA, OA or IBD and 50 healthy controls were included in the study. Two-thirds of these populations were randomly selected to serve as a training set, while the remaining one-third was reserved for validation. Sequential comparison of one group to the other four enabled identification of multiple urinary peptides significantly associated with discrete pathological conditions. Classifiers for the five groups were developed and subsequently tested blind in the validation test set. Upon unblinding, the classifiers demonstrated excellent performance, with an area under the curve between 0.90 and 0.97 per group. Identification of the peptide markers pointed to dysregulation of collagen synthesis and inflammation, but also novel inflammatory markers. We conclude that urinary peptide signatures can reliably differentiate between chronic arthropathies and inflammatory conditions with discrete pathogenesis.
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Affiliation(s)
- Stefan Siebert
- Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Duncan Porter
- Rheumatology Department, NHS Greater Glasgow and Clyde, Glasgow, UK
| | - Caron Paterson
- Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Rosie Hampson
- Rheumatology Department, NHS Greater Glasgow and Clyde, Glasgow, UK
| | - Daniel Gaya
- Gastroenterology Department, NHS Greater Glasgow and Clyde, Glasgow, UK
| | | | - Harald Mischak
- Mosaiques Diagnostics, Hannover, Germany.,Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Joost Schanstra
- Institut National de la Santé et de la Recherche Médicale (INSERM), U1048, Institute of Cardiovascular and Metabolic Disease, Toulouse, France.,Université Toulouse III Paul-Sabatier, Toulouse, France
| | - William Mullen
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Iain McInnes
- Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
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Magalhães P, Schanstra JP, Carrick E, Mischak H, Zürbig P. Urinary biomarkers for renal tract malformations. Expert Rev Proteomics 2016; 13:1121-1129. [PMID: 27791437 DOI: 10.1080/14789450.2016.1254555] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
INTRODUCTION Renal tract malformations (RTMs) are congenital anomalies of the kidneys and urinary tract, which are the major cause of end-stage renal disease in children. Using immunoassay-based approaches (ELISA, western blot), individual urinary proteins including transforming growth factor β, tumor necrosis factor and monocyte attractant proteins 1 were found to be associated to RTMs. However, only mass spectrometry (MS) based methods leading to the identification of panels of protein-based markers composed of fragments of the extracellular matrix allowed the prediction of progression of RTMs and its complications. Areas covered: In this review, we summarized relevant studies identified in "Pubmed" using the keywords "urinary biomarkers" and "proteomics" and "renal tract malformations" or "hydronephrosis" or "ureteropelvic junction obstruction" or "posterior urethral valves" or "vesicoureteral reflux". These publications represent studies on potential protein-based biomarkers, either individually or combined in panels, of RTMs in human and animal models. Expert commentary: Successful use in the clinic of these protein-based biomarkers will need to involve larger scale studies to reach sufficient power. Improved performance will potentially come from combining immunoassay- and MS-based markers.
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Affiliation(s)
- Pedro Magalhães
- a Mosaiques Diagnostics GmbH , Hannover , Germany.,b Department of Pediatric Nephrology, Hannover Medical School , Hannover , Germany
| | - Joost P Schanstra
- c Institut National de la Santé et de la Recherche Médicale (INSERM), U1048, Institute of Cardiovascular and Metabolic Disease , Toulouse , France.,d Université Toulouse III Paul-Sabatier , Toulouse , France
| | - Emma Carrick
- e BHF Glasgow Cardiovascular Research Centre , Institute of Cardiovascular and Medical Sciences, University of Glasgow , Glasgow , UK
| | - Harald Mischak
- a Mosaiques Diagnostics GmbH , Hannover , Germany.,e BHF Glasgow Cardiovascular Research Centre , Institute of Cardiovascular and Medical Sciences, University of Glasgow , Glasgow , UK
| | - Petra Zürbig
- a Mosaiques Diagnostics GmbH , Hannover , Germany
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50
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Urinary peptidomics provides a noninvasive humanized readout of diabetic nephropathy in mice. Kidney Int 2016; 90:1045-1055. [DOI: 10.1016/j.kint.2016.06.023] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Revised: 05/25/2016] [Accepted: 06/16/2016] [Indexed: 01/31/2023]
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