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Gobena S, Admassu B, Kinde MZ, Gessese AT. Proteomics and Its Current Application in Biomedical Area: Concise Review. ScientificWorldJournal 2024; 2024:4454744. [PMID: 38404932 PMCID: PMC10894052 DOI: 10.1155/2024/4454744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 02/09/2024] [Accepted: 02/13/2024] [Indexed: 02/27/2024] Open
Abstract
Biomedical researchers tirelessly seek cutting-edge technologies to advance disease diagnosis, drug discovery, and therapeutic interventions, all aimed at enhancing human and animal well-being. Within this realm, proteomics stands out as a pivotal technology, focusing on extensive studies of protein composition, structure, function, and interactions. Proteomics, with its subdivisions of expression, structural, and functional proteomics, plays a crucial role in unraveling the complexities of biological systems. Various sophisticated techniques are employed in proteomics, including polyacrylamide gel electrophoresis, mass spectrometry analysis, NMR spectroscopy, protein microarray, X-ray crystallography, and Edman sequencing. These methods collectively contribute to the comprehensive understanding of proteins and their roles in health and disease. In the biomedical field, proteomics finds widespread application in cancer research and diagnosis, stem cell studies, and the diagnosis and research of both infectious and noninfectious diseases. In addition, it plays a pivotal role in drug discovery and the emerging frontier of personalized medicine. The versatility of proteomics allows researchers to delve into the intricacies of molecular mechanisms, paving the way for innovative therapeutic approaches. As infectious and noninfectious diseases continue to emerge and the field of biomedical research expands, the significance of proteomics becomes increasingly evident. Keeping abreast of the latest developments in proteomics applications becomes paramount for the development of therapeutics, translational research, and study of diverse diseases. This review aims to provide a comprehensive overview of proteomics, offering a concise outline of its current applications in the biomedical domain. By doing so, it seeks to contribute to the understanding and advancement of proteomics, emphasizing its pivotal role in shaping the future of biomedical research and therapeutic interventions.
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Affiliation(s)
- Semira Gobena
- College of Veterinary Medicine and Animal Sciences, University of Gondar, Gondar, Ethiopia
| | - Bemrew Admassu
- Department of Veterinary Biomedical Sciences, College of Veterinary Medicine and Animal Sciences, University of Gondar, Gondar, Ethiopia
| | - Mebrie Zemene Kinde
- Department of Veterinary Biomedical Sciences, College of Veterinary Medicine and Animal Sciences, University of Gondar, Gondar, Ethiopia
| | - Abebe Tesfaye Gessese
- Department of Veterinary Biomedical Sciences, College of Veterinary Medicine and Animal Sciences, University of Gondar, Gondar, Ethiopia
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2
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Peters B, Beige J, Siwy J, Rudnicki M, Wendt R, Ortiz A, Sanz AB, Mischak H, Reich HN, Nasic S, Mahmood D, Persson A, Fernström A, Weiner M, Stegmayr B. Dynamics of urine proteomics biomarker and disease progression in patients with IgA nephropathy. Nephrol Dial Transplant 2023; 38:2826-2834. [PMID: 37349951 PMCID: PMC10689155 DOI: 10.1093/ndt/gfad125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Indexed: 06/24/2023] Open
Abstract
BACKGROUND Immunoglobulin A nephropathy (IgAN) frequently leads to kidney failure. The urinary proteomics-based classifier IgAN237 may predict disease progression at the time of kidney biopsy. We studied whether IgAN237 also predicts progression later in the course of IgAN. METHODS Urine from patients with biopsy-proven IgAN was analyzed using capillary electrophoresis-mass spectrometry at baseline (IgAN237-1, n = 103) and at follow-up (IgAN237-2, n = 89). Patients were categorized as "non-progressors" (IgAN237 ≤0.38) and "progressors" (IgAN237 >0.38). Estimated glomerular filtration rate (eGFR) and urinary albumin-creatinine ratio slopes were calculated. RESULTS Median age at biopsy was 44 years, interval between biopsy and IgAN237-1 was 65 months and interval between IgAN237-1 and IgAN237-2 was 258 days (interquartile range 71-531). IgAN237-1 and IgAN237-2 values did not differ significantly and were correlated (rho = 0.44, P < .001). Twenty-eight percent and 26% of patients were progressors based on IgAN237-1 and IgAN237-2, respectively. IgAN237 inversely correlated with chronic eGFR slopes (rho = -0.278, P = .02 for score-1; rho = -0.409, P = .002 for score-2) and with ±180 days eGFR slopes (rho = -0.31, P = .009 and rho = -0.439, P = .001, respectively). The ±180 days eGFR slopes were worse for progressors than for non-progressors (median -5.98 versus -1.22 mL/min/1.73 m2 per year for IgAN237-1, P < .001; -3.02 vs 1.08 mL/min/1.73 m2 per year for IgAN237-2, P = .0047). In multiple regression analysis baseline progressor/non-progressor according to IgAN237 was an independent predictor of eGFR180days-slope (P = .001). CONCLUSION The urinary IgAN237 classifier represents a risk stratification tool in IgAN also later in the course of the dynamic disease. It may guide patient management in an individualized manner.
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Affiliation(s)
- Björn Peters
- Department of Molecular and Clinical Medicine, Institute of Medicine, the Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
- Department of Nephrology, Skaraborg Hospital, Skövde, Sweden
| | - Joachim Beige
- Kuratorium for Dialysis and Transplantation, Neu Isenburg/Leipzig, Germany
- Division of Nephrology, Rheumatology and Endocrinology, Martin-Luther University Halle-Wittenberg, Halle/Saale., Germany
| | | | - Michael Rudnicki
- Department of Internal Medicine IV – Nephrology and Hypertension, Medical University Innsbruck, Innsbruck, Austria
| | - Ralph Wendt
- Division of Nephrology and KfH Renal Unit, Hospital St Georg, Leipzig, Germany
| | - Alberto Ortiz
- Instituto de Investigación Sanitaria Fundación Jiménez Díaz (IIS-FJD UAM), Madrid, Spain
| | - Ana Belen Sanz
- Instituto de Investigación Sanitaria Fundación Jiménez Díaz (IIS-FJD UAM), Madrid, Spain
| | | | - Heather N Reich
- Department of Medicine, University of Toronto and Division of Nephrology, University Health Network, Toronto, Ontario, Canada
- Gabor Zellerman Chair in Nephrology Research, University of Toronto, Toronto, Ontario, Canada
| | - Salmir Nasic
- Department of Molecular and Clinical Medicine, Institute of Medicine, the Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
- Research and Development Centre at Skaraborg Hospital, Skövde, Sweden
| | - Dana Mahmood
- Department of Public Health and Clinical Medicine, Unit Östersund, Umeå University, Umea, Sweden
| | - Anders Persson
- Department of Public Health and Clinical Medicine, Unit Sundsvall, Umeå University, Umea, Sweden
| | - Anders Fernström
- Department of Nephrology and Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
| | - Maria Weiner
- Department of Nephrology and Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
| | - Bernd Stegmayr
- Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
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3
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Bouilly G. Rapid and Accurate Measurement of the Na +/K + Balance in Urine for Remote Patient Monitoring Using a Symmetric Electrode Architecture. Anal Chem 2023; 95:4627-4633. [PMID: 36857759 DOI: 10.1021/acs.analchem.2c04735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
Abstract
The daily monitoring of the electrolyte balance in human bodies is challenging due to the lack of a low-cost, user-friendly device that can be used remotely by patients. In this study, a potentiometric sensor for the measurement of the ratio of Na+ and K+ ions has been fabricated using a solid-state carbon-based internal layer. PVC-type membranes are deposited using an autodispenser with a fabrication rate of approximately one sensor every 10 s, allowing mass production with limited investments. The symmetric architecture of the sensor unit, built without a reference electrode, permits a very fast stabilization of the signal, under 20 s, even without preconditioning. Measurements using buffer solutions in the range Na+/K+ = 1 to Na+/K+ = 10 indicate that less than 2 min, including the single-point calibration, is necessary to provide an estimation of the Na+/K+ balance with the same accuracy as that of a conventional sensing unit (±10%). Five sensors have been tested repeatedly over 30 days, and they maintained a constant level of performance regarding membrane sensitivity and response time. A remote measurement for the ratio between Na+ and K+ ions in urine samples showed results in agreement with a commercially available sensor. This sensor design could create new perspectives in remote healthcare for the quick detection of several diseases related to electrolyte balance.
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Affiliation(s)
- Guillaume Bouilly
- R&D Division, HORIBA Advanced Techno, Co., Ltd., 2, Miyanohigashi, Kisshoin, Minami-ku, Kyoto 601-8551, Japan
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Ge L, Liu J, Lin B, Qin X. Progress in understanding primary glomerular disease: insights from urinary proteomics and in-depth analyses of potential biomarkers based on bioinformatics. Crit Rev Clin Lab Sci 2023:1-20. [PMID: 36815270 DOI: 10.1080/10408363.2023.2178378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
Chronic kidney disease (CKD) has become a global public health challenge. While primary glomerular disease (PGD) is one of the leading causes of CKD, the specific pathogenesis of PGD is still unclear. Accurate diagnosis relies largely on invasive renal biopsy, which carries risks of bleeding, pain, infection and kidney vein thrombosis. Problems with the biopsy procedure include lack of glomeruli in the tissue obtained, and the sampling site not being reflective of the overall lesion in the kidney. Repeated renal biopsies to monitor disease progression cannot be performed because of the significant risks of bleeding and kidney vein thrombosis. On the other hand, urine collection, a noninvasive method, can be performed repeatedly, and urinary proteins can reflect pathological changes in the urinary system. Advancements in proteomics technologies, especially mass spectrometry, have facilitated the identification of candidate biomarkers in different pathological types of PGD. Such biomarkers not only provide insights into the pathogenesis of PGD but also are important for diagnosis, monitoring treatment, and prognosis. In this review, we summarize the findings from studies that have used urinary proteomics, among other omics screens, to identify potential biomarkers for different types of PGD. Moreover, we performed an in-depth bioinformatic analysis to gain a deeper understanding of the biological processes and protein-protein interaction networks in which these candidate biomarkers may participate. This review, including a description of an integrated analysis method, is intended to provide insights into the pathogenesis, noninvasive diagnosis, and personalized treatment efforts of PGD and other associated diseases.
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Affiliation(s)
- Lili Ge
- Department of Laboratory Medicine, Shengjing Hospital of China Medical University, Shenyang, China.,Liaoning Clinical Research Center for Laboratory Medicine, Shenyang, China
| | - Jianhua Liu
- Department of Laboratory Medicine, Shengjing Hospital of China Medical University, Shenyang, China.,Liaoning Clinical Research Center for Laboratory Medicine, Shenyang, China
| | - Baoxu Lin
- Department of Laboratory Medicine, Shengjing Hospital of China Medical University, Shenyang, China.,Liaoning Clinical Research Center for Laboratory Medicine, Shenyang, China
| | - Xiaosong Qin
- Department of Laboratory Medicine, Shengjing Hospital of China Medical University, Shenyang, China.,Liaoning Clinical Research Center for Laboratory Medicine, Shenyang, China
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5
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Non-Invasive Nasal Discharge Fluid and Other Body Fluid Biomarkers in Alzheimer’s Disease. Pharmaceutics 2022; 14:pharmaceutics14081532. [PMID: 35893788 PMCID: PMC9330777 DOI: 10.3390/pharmaceutics14081532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 07/12/2022] [Accepted: 07/19/2022] [Indexed: 02/04/2023] Open
Abstract
The key to current Alzheimer’s disease (AD) therapy is the early diagnosis for prompt intervention, since available treatments only slow the disease progression. Therefore, this lack of promising therapies has called for diagnostic screening tests to identify those likely to develop full-blown AD. Recent AD diagnosis guidelines incorporated core biomarker analyses into criteria, including amyloid-β (Aβ), total-tau (T-tau), and phosphorylated tau (P-tau). Though effective, the accessibility of screening tests involving conventional cerebrospinal fluid (CSF)- and blood-based analyses is often hindered by the invasiveness and high cost. In an attempt to overcome these shortcomings, biomarker profiling research using non-invasive body fluid has shown the potential to capture the pathological changes in the patients’ bodies. These novel non-invasive body fluid biomarkers for AD have emerged as diagnostic and pathological targets. Here, we review the potential peripheral biomarkers, including non-invasive peripheral body fluids of nasal discharge, tear, saliva, and urine for AD.
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Rudnicki M, Siwy J, Wendt R, Lipphardt M, Koziolek MJ, Maixnerova D, Peters B, Kerschbaum J, Leierer J, Neprasova M, Banasik M, Sanz AB, Perez-Gomez MV, Ortiz A, Stegmayr B, Tesar V, Mischak H, Beige J, Reich HN. Urine proteomics for prediction of disease progression in patients with IgA nephropathy. Nephrol Dial Transplant 2021; 37:42-52. [PMID: 33313853 PMCID: PMC8719618 DOI: 10.1093/ndt/gfaa307] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Risk of kidney function decline in immunoglobulin A (IgA) nephropathy (IgAN) is significant and may not be predicted by available clinical and histological tools. To serve this unmet need, we aimed at developing a urinary biomarker-based algorithm that predicts rapid disease progression in IgAN, thus enabling a personalized risk stratification. METHODS In this multicentre study, urine samples were collected in 209 patients with biopsy-proven IgAN. Progression was defined by tertiles of the annual change of estimated glomerular filtration rate (eGFR) during follow-up. Urine samples were analysed using capillary electrophoresis coupled mass spectrometry. The area under the receiver operating characteristic curve (AUC) was used to evaluate the risk prediction models. RESULTS Of the 209 patients, 64% were male. Mean age was 42 years, mean eGFR was 63 mL/min/1.73 m2 and median proteinuria was 1.2 g/day. We identified 237 urine peptides showing significant difference in abundance according to the tertile of eGFR change. These included fragments of apolipoprotein C-III, alpha-1 antitrypsin, different collagens, fibrinogen alpha and beta, titin, haemoglobin subunits, sodium/potassium-transporting ATPase subunit gamma, uromodulin, mucin-2, fractalkine, polymeric Ig receptor and insulin. An algorithm based on these protein fragments (IgAN237) showed a significant added value for the prediction of IgAN progression [AUC 0.89; 95% confidence interval (CI) 0.83-0.95], as compared with the clinical parameters (age, gender, proteinuria, eGFR and mean arterial pressure) alone (0.72; 95% CI 0.64-0.81). CONCLUSIONS A urinary peptide classifier predicts progressive loss of kidney function in patients with IgAN significantly better than clinical parameters alone.
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Affiliation(s)
- Michael Rudnicki
- Department of Internal Medicine IV, Nephrology and Hypertension, Medical University Innsbruck, Innsbruck, Austria
| | | | - Ralph Wendt
- Division of Nephrology and KfH Renal Unit, Hospital St Georg, Leipzig, Germany
| | - Mark Lipphardt
- Department of Nephrology and Rheumatology, University Medical Centre Göttingen, Göttingen, Germany
| | - Michael J Koziolek
- Department of Nephrology and Rheumatology, University Medical Centre Göttingen, Göttingen, Germany
| | - Dita Maixnerova
- Department of Nephrology, 1st School of Medicine and General University Hospital, Charles University, Prague, Czech Republic
| | - Björn Peters
- Department of Nephrology, Skaraborg Hospital, Skövde, Sweden
- Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Julia Kerschbaum
- Department of Internal Medicine IV, Nephrology and Hypertension, Medical University Innsbruck, Innsbruck, Austria
| | - Johannes Leierer
- Department of Internal Medicine IV, Nephrology and Hypertension, Medical University Innsbruck, Innsbruck, Austria
| | - Michaela Neprasova
- Department of Nephrology, 1st School of Medicine and General University Hospital, Charles University, Prague, Czech Republic
| | - Miroslaw Banasik
- Department of Nephrology and Transplantation Medicine, Wroclaw Medical University, Wroclaw, Poland
| | - Ana Belen Sanz
- Research Health Institute, Fundación Jiménez Díaz University, Madrid, Spain
| | | | - Alberto Ortiz
- Research Health Institute, Fundación Jiménez Díaz University, Madrid, Spain
| | - Bernd Stegmayr
- Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Vladimir Tesar
- Department of Nephrology, 1st School of Medicine and General University Hospital, Charles University, Prague, Czech Republic
| | | | - Joachim Beige
- Division of Nephrology and KfH Renal Unit, Hospital St Georg, Leipzig, Germany
- Martin-Luther-University Halle/Wittenberg, Halle/Saale, Germany
| | - Heather N Reich
- Department of Medicine, Division of Nephrology, University Health Network, University of Toronto, Toronto, Canada
- Nephrology Research, University of Toronto, Toronto, Ontario, Canada
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7
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OMICS in Chronic Kidney Disease: Focus on Prognosis and Prediction. Int J Mol Sci 2021; 23:ijms23010336. [PMID: 35008760 PMCID: PMC8745343 DOI: 10.3390/ijms23010336] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Revised: 12/26/2021] [Accepted: 12/27/2021] [Indexed: 12/13/2022] Open
Abstract
Chronic kidney disease (CKD) patients are characterized by a high residual risk for cardiovascular (CV) events and CKD progression. This has prompted the implementation of new prognostic and predictive biomarkers with the aim of mitigating this risk. The ‘omics’ techniques, namely genomics, proteomics, metabolomics, and transcriptomics, are excellent candidates to provide a better understanding of pathophysiologic mechanisms of disease in CKD, to improve risk stratification of patients with respect to future cardiovascular events, and to identify CKD patients who are likely to respond to a treatment. Following such a strategy, a reliable risk of future events for a particular patient may be calculated and consequently the patient would also benefit from the best available treatment based on their risk profile. Moreover, a further step forward can be represented by the aggregation of multiple omics information by combining different techniques and/or different biological samples. This has already been shown to yield additional information by revealing with more accuracy the exact individual pathway of disease.
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Mizuno G, Hoshi M, Nakamoto K, Sakurai M, Nagashima K, Fujita T, Ito H, Hata T. Evaluation of red blood cell parameters provided by the UF-5000 urine auto-analyzer in patients with glomerulonephritis. Clin Chem Lab Med 2021; 59:1547-1553. [PMID: 33908221 DOI: 10.1515/cclm-2021-0287] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 04/20/2021] [Indexed: 11/15/2022]
Abstract
OBJECTIVES The microscopic examination of hematuria, a cardinal symptom of glomerulonephritis (GN), is time-consuming and labor-intensive. As an alternative, the fully automated urine particle analyzer UF-5000 can interpret the morphological information of the glomerular red blood cells (RBCs) using parameters such as UF-5000 small RBCs (UF-%sRBCs) and Lysed-RBCs. METHODS Hematuria samples from 203 patients were analyzed using the UF-5000 and blood and urine chemistries to determine the cut-off values of RBC parameters for GN and non-glomerulonephritis (NGN) classification and confirm their sensitivity to the IgA nephropathy and non-IgA nephropathy groups. RESULTS The UF-%sRBCs and Lysed-RBCs values differed significantly between the GN and NGN groups. The cut-off value of UF-%sRBCs was >56.8% (area under the curve, 0.649; sensitivity, 94.1%; specificity, 38.1%; positive predictive value, 68.3%; and negative predictive value, 82.1%), while that for Lysed-RBC was >4.6/μL (area under the curve, 0.708; sensitivity, 82.4%; specificity, 56.0%; positive predictive value, 72.6%; and negative predictive value, 69.1%). Moreover, there was no significant difference in the sensitivity between the IgA nephropathy and non-IgA nephropathy groups (87.1 and 89.8% for UF-%sRBCs and 83.9 and 78.4% for Lysed-RBCs, respectively). In the NGN group, the cut-off values showed low sensitivity (56.0% for UF-%sRBCs and 44.0% for Lysed-RBCs). CONCLUSIONS The RBC parameters of the UF-5000, specifically UF-%sRBCs and Lysed-RBCs, showed good cut-off values for the diagnosis of GN.
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Affiliation(s)
- Genki Mizuno
- Department of Clinical Laboratory, Fujita Health University Hospital, Kutsukakecho, Toyoake, Aichi, Japan
| | - Masato Hoshi
- Department of Clinical Laboratory, Fujita Health University Hospital, Kutsukakecho, Toyoake, Aichi, Japan.,Department of Biochemical and Analytical Science, Fujita Health University, Kutsukakecho, Toyoake, Aichi, Japan
| | - Kentaro Nakamoto
- Department of Clinical Laboratory, Fujita Health University Hospital, Kutsukakecho, Toyoake, Aichi, Japan.,Department of Disease Control and Prevention, Fujita Health University, Kutsukakecho, Toyoake, Aichi, Japan
| | - Masayo Sakurai
- Department of Clinical Laboratory, Fujita Health University Hospital, Kutsukakecho, Toyoake, Aichi, Japan
| | - Kazuko Nagashima
- Department of Clinical Laboratory, Fujita Health University Hospital, Kutsukakecho, Toyoake, Aichi, Japan
| | - Takashi Fujita
- Department of Clinical Laboratory, Fujita Health University Hospital, Kutsukakecho, Toyoake, Aichi, Japan
| | - Hiroyasu Ito
- Department of Clinical Laboratory, Fujita Health University Hospital, Kutsukakecho, Toyoake, Aichi, Japan
| | - Tadayoshi Hata
- Department of Clinical Laboratory, Fujita Health University Hospital, Kutsukakecho, Toyoake, Aichi, Japan
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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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Selvaskandan H, Shi S, Twaij S, Cheung CK, Barratt J. Monitoring Immune Responses in IgA Nephropathy: Biomarkers to Guide Management. Front Immunol 2020; 11:572754. [PMID: 33123151 PMCID: PMC7572847 DOI: 10.3389/fimmu.2020.572754] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 09/17/2020] [Indexed: 11/13/2022] Open
Abstract
IgA nephropathy (IgAN) is the commonest biopsy-reported primary glomerulonephritis worldwide. It has an incidence which peaks among young adults, and 30 to 40% of patients' progress to end stage kidney disease within twenty years of diagnosis. Ten-year kidney survival rates have been reported to be as low as 35% in some parts of the world. The successful management of IgAN is limited by an incomplete understanding of the pathophysiology of IgAN and a poor understanding of how pathophysiology may vary both from patient to patient and between patient groups, particularly across races. This is compounded by a lack of rigorously designed and delivered clinical trials in IgAN. This is slowly changing, with a number of Phase 2 and 3 clinical trials of novel therapies targeting a number of different putative pathogenic pathways in IgAN due to report in the next 5 years. From our current, albeit limited, understanding of the pathophysiology of IgAN it is unlikely a single therapy will be effective in all patients with IgAN. The successful management of IgAN in the future is, therefore, likely to be reliant on targeted therapies, carefully selected based on an individualized understanding of a patient's risk of progression and underlying pathophysiology. The potential role of biomarkers to facilitate personalization of prognostication and treatment of IgAN is immense. Here we review the progress made over the past decade in identifying and validating new biomarkers, with a particular focus on those that reflect immunological responses in IgAN.
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Affiliation(s)
- Haresh Selvaskandan
- Mayer IgA Nephropathy Laboratories, Department of Cardiovascular Sciences, University of Leicester, Leicester, United Kingdom
| | - Sufang Shi
- Mayer IgA Nephropathy Laboratories, Department of Cardiovascular Sciences, University of Leicester, Leicester, United Kingdom
| | - Sara Twaij
- Mayer IgA Nephropathy Laboratories, Department of Cardiovascular Sciences, University of Leicester, Leicester, United Kingdom
| | - Chee Kay Cheung
- Mayer IgA Nephropathy Laboratories, Department of Cardiovascular Sciences, University of Leicester, Leicester, United Kingdom
| | - Jonathan Barratt
- Mayer IgA Nephropathy Laboratories, Department of Cardiovascular Sciences, University of Leicester, Leicester, United Kingdom
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11
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Rao C, Yang F, Lai Z, Chen S, Lu X, Jiang X. Differential expression of peptides serves as an indicator of IgA nephropathy in pediatric patients. Exp Ther Med 2020; 20:67. [PMID: 32963597 PMCID: PMC7490786 DOI: 10.3892/etm.2020.9195] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Accepted: 03/10/2020] [Indexed: 11/05/2022] Open
Abstract
Peptide profiles change significantly with aging and peptide biomarkers discovered in adult patients may not be suitable for the evaluation of pediatric patients. The present study was designed to explore alterations in the serum peptidome profile of pediatric patients with IgA nephropathy (IgAN). A total of 17 children diagnosed with IgAN were recruited as the experimental group, 11 sex-matched healthy children were recruited as a healthy control group and 18 sex-matched children with other glomerular diseases were recruited as a disease control group. Serum peptides of each subject were enriched and analyzed by liquid chromatography with tandem mass spectrometry and the subsequently identified IgAN-specific peptides were evaluated using Gene Ontology enrichment and Kyoto Encyclopedia of Genes and Genomes pathway analysis. Subsequently, the function of the IgAN-specific peptides was predicted via sequence comparison with other known functional bioactive peptides. A total of 123 peptides with a fold change >2 (P<0.05) and 48 peptides with a fold change >5 (P<0.05) were identified to be differentially expressed between the pediatric IgAN group and the two other groups. Consequently, two putative peptides that may have bioactive effects in the pathogenesis of IgAN in pediatric patients were identified. The serum peptidome profile of pediatric patients with IgAN was significantly different from the disease control group and the healthy control group. These differentially expressed peptides may serve as biomarkers for the minimally invasive diagnosis of pediatric patients with IgAN. Additionally, the potential bioactive peptides specifically expressed in pediatric IgAN patients that were identified in this study may lay a foundation for exploring new therapies for IgAN, such as the creation of novel peptide drugs.
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Affiliation(s)
- Chunbao Rao
- Department of Pediatrics, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong 510080, P.R. China.,Scientific Research Center, Children's Hospital of Dongguan, Dongguan, Guangdong 523000, P.R. China
| | - Fan Yang
- Department of Pediatrics, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Zhijun Lai
- Pediatric Intensive Care Unit, Children's Hospital of Dongguan, Dongguan, Guangdong 523000, P.R. China
| | - Sujun Chen
- Pediatric Intensive Care Unit, Children's Hospital of Dongguan, Dongguan, Guangdong 523000, P.R. China
| | - Xiaomei Lu
- Scientific Research Center, Children's Hospital of Dongguan, Dongguan, Guangdong 523000, P.R. China
| | - Xiaoyun Jiang
- Department of Pediatrics, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong 510080, P.R. China
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12
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Glazyrin YE, Veprintsev DV, Ler IA, Rossovskaya ML, Varygina SA, Glizer SL, Zamay TN, Petrova MM, Minic Z, Berezovski MV, Kichkailo AS. Proteomics-Based Machine Learning Approach as an Alternative to Conventional Biomarkers for Differential Diagnosis of Chronic Kidney Diseases. Int J Mol Sci 2020; 21:ijms21134802. [PMID: 32645927 PMCID: PMC7369970 DOI: 10.3390/ijms21134802] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 07/04/2020] [Accepted: 07/06/2020] [Indexed: 11/16/2022] Open
Abstract
Diabetic nephropathy, hypertension, and glomerulonephritis are the most common causes of chronic kidney diseases (CKD). Since CKD of various origins may not become apparent until kidney function is significantly impaired, a differential diagnosis and an appropriate treatment are needed at the very early stages. Conventional biomarkers may not have sufficient separation capabilities, while a full-proteomic approach may be used for these purposes. In the current study, several machine learning algorithms were examined for the differential diagnosis of CKD of three origins. The tested dataset was based on whole proteomic data obtained after the mass spectrometric analysis of plasma and urine samples of 34 CKD patients and the use of label-free quantification approach. The k-nearest-neighbors algorithm showed the possibility of separation of a healthy group from renal patients in general by proteomics data of plasma with high confidence (97.8%). This algorithm has also be proven to be the best of the three tested for distinguishing the groups of patients with diabetic nephropathy and glomerulonephritis according to proteomics data of plasma (96.3% of correct decisions). The group of hypertensive nephropathy could not be reliably separated according to plasma data, whereas analysis of entire proteomics data of urine did not allow differentiating the three diseases. Nevertheless, the group of hypertensive nephropathy was reliably separated from all other renal patients using the k-nearest-neighbors classifier “one against all” with 100% of accuracy by urine proteome data. The tested algorithms show good abilities to differentiate the various groups across proteomic data sets, which may help to avoid invasive intervention for the verification of the glomerulonephritis subtypes, as well as to differentiate hypertensive and diabetic nephropathy in the early stages based not on individual biomarkers, but on the whole proteomic composition of urine and blood.
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Affiliation(s)
- Yury E. Glazyrin
- Laboratory for Biomolecular and Medical Technologies, Krasnoyarsk State Medical University Named after Prof. V.F. Voyno-Yasenetsky, 660022 Krasnoyarsk, Russia; (T.N.Z.); (A.S.K.)
- Laboratory for Digital Controlled Drugs and Theranostics, Federal Research Center “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Science”, 660036 Krasnoyarsk, Russia;
- Correspondence:
| | - Dmitry V. Veprintsev
- Laboratory for Digital Controlled Drugs and Theranostics, Federal Research Center “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Science”, 660036 Krasnoyarsk, Russia;
| | - Irina A. Ler
- Department of Nephrology, Krasnoyarsk Interdistrict Clinical Hospital of Emergency Medical Care Named after N.S. Karpovich, 660062 Krasnoyarsk, Russia; (I.A.L.); (M.L.R.); (S.A.V.); (S.L.G.)
| | - Maria L. Rossovskaya
- Department of Nephrology, Krasnoyarsk Interdistrict Clinical Hospital of Emergency Medical Care Named after N.S. Karpovich, 660062 Krasnoyarsk, Russia; (I.A.L.); (M.L.R.); (S.A.V.); (S.L.G.)
| | - Svetlana A. Varygina
- Department of Nephrology, Krasnoyarsk Interdistrict Clinical Hospital of Emergency Medical Care Named after N.S. Karpovich, 660062 Krasnoyarsk, Russia; (I.A.L.); (M.L.R.); (S.A.V.); (S.L.G.)
| | - Sofia L. Glizer
- Department of Nephrology, Krasnoyarsk Interdistrict Clinical Hospital of Emergency Medical Care Named after N.S. Karpovich, 660062 Krasnoyarsk, Russia; (I.A.L.); (M.L.R.); (S.A.V.); (S.L.G.)
- Faculty of Medicine, Krasnoyarsk State Medical University Named after Prof. V.F. Voyno-Yasenetsky, 660022 Krasnoyarsk, Russia;
| | - Tatiana N. Zamay
- Laboratory for Biomolecular and Medical Technologies, Krasnoyarsk State Medical University Named after Prof. V.F. Voyno-Yasenetsky, 660022 Krasnoyarsk, Russia; (T.N.Z.); (A.S.K.)
| | - Marina M. Petrova
- Faculty of Medicine, Krasnoyarsk State Medical University Named after Prof. V.F. Voyno-Yasenetsky, 660022 Krasnoyarsk, Russia;
| | - Zoran Minic
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, ON K1N6N5, Canada; (Z.M.); (M.V.B.)
| | - Maxim V. Berezovski
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, ON K1N6N5, Canada; (Z.M.); (M.V.B.)
| | - Anna S. Kichkailo
- Laboratory for Biomolecular and Medical Technologies, Krasnoyarsk State Medical University Named after Prof. V.F. Voyno-Yasenetsky, 660022 Krasnoyarsk, Russia; (T.N.Z.); (A.S.K.)
- Laboratory for Digital Controlled Drugs and Theranostics, Federal Research Center “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Science”, 660036 Krasnoyarsk, Russia;
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13
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Taherkhani A, Farrokhi Yekta R, Mohseni M, Saidijam M, Arefi Oskouie A. Chronic kidney disease: a review of proteomic and metabolomic approaches to membranous glomerulonephritis, focal segmental glomerulosclerosis, and IgA nephropathy biomarkers. Proteome Sci 2019; 17:7. [PMID: 31889913 PMCID: PMC6925425 DOI: 10.1186/s12953-019-0155-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Accepted: 12/12/2019] [Indexed: 12/12/2022] Open
Abstract
Chronic Kidney Disease (CKD) is a global health problem annually affecting millions of people around the world. It is a comprehensive syndrome, and various factors may contribute to its occurrence. In this study, it was attempted to provide an accurate definition of chronic kidney disease; followed by focusing and discussing on molecular pathogenesis, novel diagnosis approaches based on biomarkers, recent effective antigens and new therapeutic procedures related to high-risk chronic kidney disease such as membranous glomerulonephritis, focal segmental glomerulosclerosis, and IgA nephropathy, which may lead to end-stage renal diseases. Additionally, a considerable number of metabolites and proteins that have previously been discovered and recommended as potential biomarkers of various CKDs using ‘-omics-’ technologies, proteomics, and metabolomics were reviewed.
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Affiliation(s)
- Amir Taherkhani
- 1Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | | | - Maede Mohseni
- 3Urology and Nephrology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Massoud Saidijam
- 1Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Afsaneh Arefi Oskouie
- 4Department of Basic Sciences, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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14
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Yang JYC, Sarwal RD, Fervenza FC, Sarwal MM, Lafayette RA. Noninvasive Urinary Monitoring of Progression in IgA Nephropathy. Int J Mol Sci 2019; 20:E4463. [PMID: 31510053 PMCID: PMC6770813 DOI: 10.3390/ijms20184463] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 09/05/2019] [Accepted: 09/07/2019] [Indexed: 01/08/2023] Open
Abstract
Standard methods for detecting and monitoring of IgA nephropathy (IgAN) have conventionally required kidney biopsies or suffer from poor sensitivity and specificity. The Kidney Injury Test (KIT) Assay of urinary biomarkers has previously been shown to distinguish between various kidney pathologies, including chronic kidney disease, nephrolithiasis, and transplant rejection. This validation study uses the KIT Assay to investigate the clinical utility of the non-invasive detection of IgAN and predicting the progression of renal damage over time. The study design benefits from longitudinally collected urine samples from an investigator-initiated, multicenter, prospective study, evaluating the efficacy of corticosteroids versus Rituximab for preventing progressive IgAN. A total of 131 urine samples were processed for this study; 64 urine samples were collected from 34 IgAN patients, and urine samples from 64 demographically matched healthy controls were also collected; multiple urinary biomarkers consisting of cell-free DNA, methylated cell-free DNA, DMAIMO, MAMIMO, total protein, clusterin, creatinine, and CXCL10 were measured by the microwell-based KIT Assay. An IgA risk score (KIT-IgA) was significantly higher in IgAN patients as compared to healthy control (87.76 vs. 14.03, p < 0.0001) and performed better than proteinuria in discriminating between the two groups. The KIT Assay biomarkers, measured on a spot random urine sample at study entry could distinguish patients likely to have progressive renal dysfunction a year later. These data support the pursuit of larger prospective studies to evaluate the predictive performance of the KIT-IgA score in both screening for non-invasive diagnosis of IgAN, and for predicting risk of progressive renal disease from IgA and utilizing the KIT score for potentially evaluating the efficacy of IgAN-targeted therapies.
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Affiliation(s)
- Joshua Y C Yang
- Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA.
- KIT Bio, 665 3rd St, Suite 280, San Francisco, CA 94107, USA.
| | - Reuben D Sarwal
- Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA.
| | - Fernando C Fervenza
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN 55905, USA.
| | - Minnie M Sarwal
- Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA.
- KIT Bio, 665 3rd St, Suite 280, San Francisco, CA 94107, USA.
| | - Richard A Lafayette
- Division of Nephrology and Hypertension, Stanford University, Stanford, CA 94305, USA.
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15
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Capelli-Peixoto J, Mule SN, Tano FT, Palmisano G, Stolf BS. Proteomics and Leishmaniasis: Potential Clinical Applications. Proteomics Clin Appl 2019; 13:e1800136. [PMID: 31347770 DOI: 10.1002/prca.201800136] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 07/02/2019] [Indexed: 02/06/2023]
Abstract
Leishmaniases are diseases caused by protozoan parasites of the genus Leishmania. They are endemic in 98 countries, affect around 12 million people worldwide and may present several distinct clinical forms. Unfortunately, there are only a few drugs available for treatment of leishmaniasis, which are toxic and not always effective. Different parasite species and different clinical forms require optimization of the treatment or more specific therapies, which are not available. The emergence of resistance is also a matter of concern. Besides, diagnosis can sometimes be complicated due to atypical manifestations and associations with other pathologies. In this review, proteomic data are presented and discussed in terms of their application in important issues in leishmaniasis such as parasite resistance to chemotherapy, diagnosis of active disease in patients and dogs, markers for different clinical forms, identification of virulence factors, and their potential use in vaccination. It is shown that proteomics has contributed to the discovery of potential biomarkers for prognosis, diagnosis, therapeutics, monitoring of disease progression, treatment follow-up and identification of vaccine candidates for specific diseases. However, the authors believe its capabilities have not yet been fully explored for routine clinical analysis for several reasons, which will be presented in this review.
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Affiliation(s)
- Janaína Capelli-Peixoto
- Leishmaniasis laboratory, Institute of Biomedical Sciences, Department of Parasitology, University of São Paulo, São Paulo, Brazil
| | - Simon Ngao Mule
- GlycoProteomics laboratory, Institute of Biomedical Sciences, Department of Parasitology, University of São Paulo, São Paulo, Brazil
| | - Fabia Tomie Tano
- Leishmaniasis laboratory, Institute of Biomedical Sciences, Department of Parasitology, University of São Paulo, São Paulo, Brazil
| | - Giuseppe Palmisano
- GlycoProteomics laboratory, Institute of Biomedical Sciences, Department of Parasitology, University of São Paulo, São Paulo, Brazil
| | - Beatriz Simonsen Stolf
- Leishmaniasis laboratory, Institute of Biomedical Sciences, Department of Parasitology, University of São Paulo, São Paulo, Brazil
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16
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Siwy J, Mischak H, Zürbig P. Proteomics and personalized medicine: a focus on kidney disease. Expert Rev Proteomics 2019; 16:773-782. [DOI: 10.1080/14789450.2019.1659138] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Justyna Siwy
- R & D, Mosaiques Diagnostics GmbH, Hannover, Germany
| | - Harald Mischak
- R & D, Mosaiques Diagnostics GmbH, Hannover, Germany
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Petra Zürbig
- R & D, Mosaiques Diagnostics GmbH, Hannover, Germany
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17
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Latosinska A, Siwy J, Mischak H, Frantzi M. Peptidomics and proteomics based on CE‐MS as a robust tool in clinical application: The past, the present, and the future. Electrophoresis 2019; 40:2294-2308. [DOI: 10.1002/elps.201900091] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 04/16/2019] [Accepted: 04/16/2019] [Indexed: 12/23/2022]
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18
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Pletz J, Enoch SJ, Jais DM, Mellor CL, Pawar G, Firman JW, Madden JC, Webb SD, Tagliati CA, Cronin MTD. A critical review of adverse effects to the kidney: mechanisms, data sources, and in silico tools to assist prediction. Expert Opin Drug Metab Toxicol 2018; 14:1225-1253. [PMID: 30345815 DOI: 10.1080/17425255.2018.1539076] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
INTRODUCTION The kidney is a major target for toxicity elicited by pharmaceuticals and environmental pollutants. Standard testing which often does not investigate underlying mechanisms has proven not to be an adequate hazard assessment approach. As such, there is an opportunity for the application of computational approaches that utilize multiscale data based on the Adverse Outcome Pathway (AOP) paradigm, coupled with an understanding of the chemistry underpinning the molecular initiating event (MIE) to provide a deep understanding of how structural fragments of molecules relate to specific mechanisms of nephrotoxicity. Aims covered: The aim of this investigation was to review the current scientific landscape related to computational methods, including mechanistic data, AOPs, publicly available knowledge bases and current in silico models, for the assessment of pharmaceuticals and other chemicals with regard to their potential to elicit nephrotoxicity. A list of over 250 nephrotoxicants enriched with, where possible, mechanistic and AOP-derived understanding was compiled. Expert opinion: Whilst little mechanistic evidence has been translated into AOPs, this review identified a number of data sources of in vitro, in vivo, and human data that may assist in the development of in silico models which in turn may shed light on the interrelationships between nephrotoxicity mechanisms.
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Affiliation(s)
- Julia Pletz
- a School of Pharmacy and Biomolecular Sciences , Liverpool John Moores University , Liverpool , UK
| | - Steven J Enoch
- a School of Pharmacy and Biomolecular Sciences , Liverpool John Moores University , Liverpool , UK
| | - Diviya M Jais
- a School of Pharmacy and Biomolecular Sciences , Liverpool John Moores University , Liverpool , UK
| | - Claire L Mellor
- a School of Pharmacy and Biomolecular Sciences , Liverpool John Moores University , Liverpool , UK
| | - Gopal Pawar
- a School of Pharmacy and Biomolecular Sciences , Liverpool John Moores University , Liverpool , UK
| | - James W Firman
- a School of Pharmacy and Biomolecular Sciences , Liverpool John Moores University , Liverpool , UK
| | - Judith C Madden
- a School of Pharmacy and Biomolecular Sciences , Liverpool John Moores University , Liverpool , UK
| | - Steven D Webb
- b Department of Applied Mathematics , Liverpool John Moores University , Liverpool , UK
| | - Carlos A Tagliati
- c Departamento de Análises Clínicas e Toxicológicas , Universidade Federal de Minas Gerais , Belo Horizonte , Brazil
| | - Mark T D Cronin
- a School of Pharmacy and Biomolecular Sciences , Liverpool John Moores University , Liverpool , UK
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19
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Kragh-Hansen U. Possible Mechanisms by Which Enzymatic Degradation of Human Serum Albumin Can Lead to Bioactive Peptides and Biomarkers. Front Mol Biosci 2018; 5:63. [PMID: 30038906 PMCID: PMC6046381 DOI: 10.3389/fmolb.2018.00063] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Accepted: 06/19/2018] [Indexed: 11/16/2022] Open
Abstract
Partial enzymatic degradation of human serum albumin in vivo can lead to the generation of peptides with novel functions or to peptides that might serve as biomarkers for disease. In pathological conditions, biomarkers are possibly produced from the protein in the lysosomes and set free by cell death, or cell death could release acid endoproteases which produce biomarkers by degrading extracellular albumin. Alternatively, lysosomes or secretory granules can be stimulated to release enzymes which produce bioactive peptides from albumin. In physiological conditions, it is proposed that bioactive peptides can be made by enzymatic attack on the protein bound to the endosomal neonatal Fc receptor. The peptides formed could leave the cell, together with native albumin, by exocytosis. Thus, the receptor could have a new function in addition to saving albumin from degradation in the lysosomes. Large amounts of albumin are degraded every day, and this fact can compensate for the short in vivo half-lives of the bioactive peptides. One or more of the procedures outlined above could also apply to other plasma proteins or to structural proteins.
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20
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Siwy J, Zürbig P, Argiles A, Beige J, Haubitz M, Jankowski J, Julian BA, Linde PG, Marx D, Mischak H, Mullen W, Novak J, Ortiz A, Persson F, Pontillo C, Rossing P, Rupprecht H, Schanstra JP, Vlahou A, Vanholder R. Noninvasive diagnosis of chronic kidney diseases using urinary proteome analysis. Nephrol Dial Transplant 2018; 32:2079-2089. [PMID: 27984204 DOI: 10.1093/ndt/gfw337] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Accepted: 08/10/2016] [Indexed: 12/11/2022] Open
Abstract
Background In spite of its invasive nature and risks, kidney biopsy is currently required for precise diagnosis of many chronic kidney diseases (CKDs). Here, we explored the hypothesis that analysis of the urinary proteome can discriminate different types of CKD irrespective of the underlying mechanism of disease. Methods We used data from the proteome analyses of 1180 urine samples from patients with different types of CKD, generated by capillary electrophoresis coupled to mass spectrometry. A set of 706 samples served as the discovery cohort, and 474 samples were used for independent validation. For each CKD type, peptide biomarkers were defined using statistical analysis adjusted for multiple testing. Potential biomarkers of statistical significance were combined in support vector machine (SVM)-based classifiers. Results For seven different types of CKD, several potential urinary biomarker peptides (ranging from 116 to 619 peptides) were defined and combined into SVM-based classifiers specific for each CKD. These classifiers were validated in an independent cohort and showed good to excellent accuracy for discrimination of one CKD type from the others (area under the receiver operating characteristic curve ranged from 0.77 to 0.95). Sequence analysis of the biomarkers provided further information that may clarify the underlying pathophysiology. Conclusions Our data indicate that urinary proteome analysis has the potential to identify various types of CKD defined by pathological assessment of renal biopsies and current clinical practice in general. Moreover, these approaches may provide information to model molecular changes per CKD.
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Affiliation(s)
| | | | | | - Joachim Beige
- KfH Renal Unit, Department Nephrology, Leipzig and Martin Luther University, Halle/Wittenberg, Germany
| | - Marion Haubitz
- Department of Nephrology, Klinikum Fulda gAG, Fulda, Germany
| | - Joachim Jankowski
- Institute for Molecular Cardiovascular Research, RWTH Aachen University Hospital, Aachen, Germany.,School for Cardiovascular Diseases (CARIM), University of Maastricht, Maastricht, The Netherlands
| | - Bruce A Julian
- University of Alabama at Birmingham, Birmingham, AL, USA
| | | | - David Marx
- Department of Nephrology and Kidney Transplantation, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
| | - Harald Mischak
- Mosaiques Diagnostics GmbH, Hanover, Germany.,BHF Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - William Mullen
- BHF Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Jan Novak
- University of Alabama at Birmingham, Birmingham, AL, USA
| | - Alberto Ortiz
- School of Medicine, Jimenez Diaz Foundation Institute for Health Research, Autonomous University of Madrid, Madrid, Spain
| | | | - Claudia Pontillo
- Mosaiques Diagnostics GmbH, Hanover, Germany.,Charite-Universitätsmedizin, Berlin, Germany
| | - Peter Rossing
- Steno Diabetes Center, Gentofte, Denmark.,Faculty of Health, University of Aarhus, Aarhus, Denmark.,Faculty of Health, University of Copenhagen, Copenhagen, Denmark
| | | | - Joost P Schanstra
- Institute of Cardiovascular and Metabolic Disease, French Institute of Health and Medical Research U1048, Toulouse, France.,Université Toulouse III Paul-Sabatier, Toulouse, France
| | - Antonia Vlahou
- Division of Biotechnology, Biomedical Research Foundation, Academy of Athens, Athens, Greece
| | - Raymond Vanholder
- Nephrology Section, Department of Internal Medicine, Ghent University Hospital, Ghent, Belgium
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21
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Baetta R, Pontremoli M, Fernandez AM, Spickett CM, Banfi C. Reprint of: Proteomics in cardiovascular diseases: Unveiling sex and gender differences in the era of precision medicine. J Proteomics 2018; 178:57-72. [PMID: 29622522 DOI: 10.1016/j.jprot.2018.03.017] [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: 07/25/2017] [Revised: 11/06/2017] [Accepted: 11/17/2017] [Indexed: 01/19/2023]
Abstract
Cardiovascular diseases (CVDs) represent the most important cause of mortality in women and in men. Contrary to the long-standing notion that the effects of the major risk factors on CVD outcomes are the same in both sexes, recent evidence recognizes new, potentially independent, sex/gender-related risk factors for CVDs, and sex/gender-differences in the clinical presentation of CVDs have been demonstrated. Furthermore, some therapeutic options may not be equally effective and safe in men and women. In this context, proteomics offers an extremely useful and versatile analytical platform for biomedical researches that expand from the screening of early diagnostic and prognostic biomarkers to the investigation of the molecular mechanisms underlying CDVs. In this review, we summarized the current applications of proteomics in the cardiovascular field, with emphasis on sex and gender-related differences in CVDs. SIGNIFICANCE Increasing evidence supports the profound effect of sex and gender on cardiovascular physio-pathology and the response to drugs. A clear understanding of the mechanisms underlying sexual dimorphisms in CVDs would not only improve our knowledge of the etiology of these diseases, but could also inform health policy makers and guideline committees in tailoring specific interventions for the prevention, treatment and management of CVDs in both men and women.
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Urinary proteomics using capillary electrophoresis coupled to mass spectrometry for diagnosis and prognosis in kidney diseases. Curr Opin Nephrol Hypertens 2018; 25:494-501. [PMID: 27584928 DOI: 10.1097/mnh.0000000000000278] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
PURPOSE OF REVIEW Urine is the most useful of body fluids for biomarker research. Therefore, we have focused on urinary proteomics, using capillary electrophoresis coupled to mass spectrometry, to investigate kidney diseases in recent years. RECENT FINDINGS Several urinary proteomics studies for the detection of various kidney diseases have indicated the potential of this approach aimed at diagnostic and prognostic assessment. Urinary protein biomarkers such as collagen fragments, serum albumin, α-1-antitrypsin, and uromodulin can help to explain the processes involved during disease progression. SUMMARY Urinary proteomics has been used in several studies in order to identify and validate biomarkers associated with different kidney diseases. These biomarkers, with improved sensitivity and specificity when compared with the current gold standards, provide a significant alternative for diagnosis and prognosis, as well as improving clinical decision-making.
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Candidate Urine Peptide Biomarkers for IgA Nephropathy: Where Are We Now? DISEASE MARKERS 2018; 2018:5205831. [PMID: 29606986 PMCID: PMC5827886 DOI: 10.1155/2018/5205831] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/10/2017] [Revised: 11/29/2017] [Accepted: 12/12/2017] [Indexed: 12/24/2022]
Abstract
Early detection, prognosis, and management of IgA nephropathy (IgAN) remain a challenge. Histological examination of renal tissue still comprises the only way to confirm an IgAN diagnosis. It is of great importance to establish noninvasive diagnostic, prognostic, and predictive biomarkers that would improve the clinical care and outcome of patients suffering from IgAN. This review summarises the findings from previous mass spectrometry- (MS-) based studies dedicated to the discovery of urinary peptide profiles specific to IgAN. There is a substantial number of urinary peptides that have been discovered to date, which show promise as biomarkers of IgAN; however, all of them require further, rigorous validation in well-planned studies, involving a large number of subjects who represent diverse and numerous populations.
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Chen L, Su W, Chen H, Chen DQ, Wang M, Guo Y, Zhao YY. Proteomics for Biomarker Identification and Clinical Application in Kidney Disease. Adv Clin Chem 2018; 85:91-113. [PMID: 29655463 DOI: 10.1016/bs.acc.2018.02.005] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Treatment effectiveness for kidney disease is limited by lack of accuracy, sensitivity, specificity of diagnostic, prognostic, and therapeutic biomarkers. The gold standard test renal biopsy along with serum creatinine and proteinuria is often necessary to establish a diagnosis, particularly in glomerular disease. Proteomics has become a powerful tool for novel biomarker discovery in kidney disease. Novel proteomics offer earlier and more accurate diagnosis of renal pathology than possible with traditional biomarkers such as serum creatinine and urine protein. In addition, proteomic biomarkers could also be useful to choose the most suitable therapeutic targets. This review focuses on the current status of proteomic biomarkers from animal models (5/6 nephrectomy, unilateral ureteral obstruction, and diabetic nephropathy) and human studies (chronic kidney disease, glomerular diseases, transplantation, dialysis, acute and drug-induced kidney injury) to assess relevant findings and clinical usefulness. Current issues and problems related to the discovery, validation, and clinical application of proteomic biomarkers are discussed. We also describe several proteomic strategies highlighting technologic advancements, specimen selection, data processing and analysis. This review might provide help in future proteomic studies to improve the diagnosis and management of kidney disease.
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Affiliation(s)
- Lin Chen
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Life Science, Northwest University, Xi'an, China
| | - Wei Su
- Baoji Central Hospital, Baoji, China
| | - Hua Chen
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Life Science, Northwest University, Xi'an, China
| | - Dan-Qian Chen
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Life Science, Northwest University, Xi'an, China
| | - Ming Wang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Life Science, Northwest University, Xi'an, China
| | - Yan Guo
- University of New Mexico, Comprehensive Cancer Center, Albuquerque, NM, United States
| | - Ying-Yong Zhao
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Life Science, Northwest University, Xi'an, China.
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Baetta R, Pontremoli M, Martinez Fernandez A, Spickett CM, Banfi C. Proteomics in cardiovascular diseases: Unveiling sex and gender differences in the era of precision medicine. J Proteomics 2017; 173:62-76. [PMID: 29180046 DOI: 10.1016/j.jprot.2017.11.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 11/06/2017] [Accepted: 11/17/2017] [Indexed: 02/07/2023]
Abstract
Cardiovascular diseases (CVDs) represent the most important cause of mortality in women and in men. Contrary to the long-standing notion that the effects of the major risk factors on CVD outcomes are the same in both sexes, recent evidence recognizes new, potentially independent, sex/gender-related risk factors for CVDs, and sex/gender-differences in the clinical presentation of CVDs have been demonstrated. Furthermore, some therapeutic options may not be equally effective and safe in men and women. In this context, proteomics offers an extremely useful and versatile analytical platform for biomedical researches that expand from the screening of early diagnostic and prognostic biomarkers to the investigation of the molecular mechanisms underlying CDVs. In this review, we summarized the current applications of proteomics in the cardiovascular field, with emphasis on sex and gender-related differences in CVDs. SIGNIFICANCE Increasing evidence supports the profound effect of sex and gender on cardiovascular physio-pathology and the response to drugs. A clear understanding of the mechanisms underlying sexual dimorphisms in CVDs would not only improve our knowledge of the etiology of these diseases, but could also inform health policy makers and guideline committees in tailoring specific interventions for the prevention, treatment and management of CVDs in both men and women.
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Ning X, Yin Z, Li Z, Xu J, Wang L, Shen W, Lu Y, Cai G, Zhang X, Chen X. Comparative proteomic analysis of urine and laser microdissected glomeruli in IgA nephropathy. Clin Exp Pharmacol Physiol 2017; 44:576-585. [PMID: 28109170 DOI: 10.1111/1440-1681.12733] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Revised: 12/14/2016] [Accepted: 01/13/2017] [Indexed: 11/27/2022]
Abstract
The purpose of the present study was to identify the differential proteins that synchronously change in urine and glomeruli and could be used to monitor glomerular lesions of IgA nephropathy (IgAN). The proteomes of urine and glomeruli from four IgAN patients who were graded III/IV according to the grading system of Lee et al. were compared to the urine proteomes of four healthy volunteers and the glomeruli proteomes of adjacent normal tissue from four patients with renal tumors, respectively. Western blot, enzyme-linked immunosorbent assay and immunofluorescence assay were applied to verify the results of the proteomic analysis. In the proteomic analysis of urine from IgAN patients and healthy volunteers, 714 proteins were identified, with 246 proteins identified as differential proteins. In the proteomic analysis of glomeruli from renal biopsy tissue of IgAN patients and from adjacent normal tissue of patients with renal tumors, 161 proteins were identified altogether, and 20 proteins of these were recognized as differential proteins. After comparatively analyzing the differential proteins identified in the urine and glomeruli, five synchronously changed differential proteins were found: complement C9, Ig kappa chain C region and three cytoskeleton proteins. In summary, our findings indicate that certain immunological indices in urine appear to be associated with glomerular lesions of IgAN.
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Affiliation(s)
- Xiaoyuan Ning
- Department of Nephrology, The First Affiliated Hospital and College of Clinical Medicine of Henan University of Science and Technology, Luoyang, China
| | - Zhong Yin
- Department of Nephrology, Chinese PLA General Hospital, Chinese PLA Institute of Nephrology, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing, China
| | - Zuoxiang Li
- Department of Nephrology, Chinese PLA General Hospital, Chinese PLA Institute of Nephrology, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing, China
| | - Jiayun Xu
- Department of Nephrology, The First Affiliated Hospital and College of Clinical Medicine of Henan University of Science and Technology, Luoyang, China
| | - Linna Wang
- Department of Nephrology, Chinese PLA General Hospital, Chinese PLA Institute of Nephrology, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing, China
| | - Wanjun Shen
- Department of Nephrology, Chinese PLA General Hospital, Chinese PLA Institute of Nephrology, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing, China
| | - Yang Lu
- Department of Nephrology, Chinese PLA General Hospital, Chinese PLA Institute of Nephrology, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing, China
| | - Guangyan Cai
- Department of Nephrology, Chinese PLA General Hospital, Chinese PLA Institute of Nephrology, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing, China
| | - Xueguang Zhang
- Department of Nephrology, Chinese PLA General Hospital, Chinese PLA Institute of Nephrology, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing, China
| | - Xiangmei Chen
- Department of Nephrology, Chinese PLA General Hospital, Chinese PLA Institute of Nephrology, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing, China
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Dual-signal model array sensor based on GQDs/AuNPs system for sensitive protein discrimination. Anal Chim Acta 2017; 992:105-111. [DOI: 10.1016/j.aca.2017.09.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Revised: 08/16/2017] [Accepted: 09/01/2017] [Indexed: 12/19/2022]
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Mischak H. Pro: urine proteomics as a liquid kidney biopsy: no more kidney punctures! Nephrol Dial Transplant 2016; 30:532-7. [PMID: 25801638 DOI: 10.1093/ndt/gfv046] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
In this article, the benefits of urinary proteomics in comparison with kidney biopsy are discussed. The majority of urinary proteins are generated by the kidney, hence the urinary proteome holds substantial information on the kidney, and assessment of the urinary proteome could be considered a 'liquid biopsy'. The main question is how well the information contained in the urinary proteome can be assessed today, if it is ready to be routinely used, and what are the advantages and possible disadvantages in comparison with current standards. Since chronic kidney disease (CKD) is by far the largest area in nephrology based on the number of patients affected, the focus of this article is on CKD. Substantial progress was made in the last decade in urinary proteomics, and today we have comparable urinary proteome datasets of tens of thousands of subjects available. Clinical proteomics studies in CKD including close to, or even exceeding, 1000 subjects have recently been published, demonstrating a benefit over the current state-of-the-art in diagnosis and especially prognosis. The first large multicentric randomized controlled intervention trial aiming at preventing CKD by employing urinary proteomics-guided intervention has been initiated recently. These data provide ample evidence for the utility and value of urinary proteomics in nephrology. A further consideration is that the purpose of the biopsy, be it 'liquid' or 'solid', is to guide intervention. However, essentially all drug targets are proteins, not microscopic structures. Therefore, obtaining information on the proteome to guide intervention appears to be the most appropriate approach. Presenting more detailed evidence, I argue that urinary proteome analysis can, in most cases, be employed to guide therapeutic intervention, can be repeated multiple times as it is without any direct risk or discomfort and can be considered as a liquid biopsy.
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Affiliation(s)
- Harald Mischak
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow G12 8TA, UK Mosaiques Diagnostics GmbH, Hannover D-30625, Germany
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Knoppova B, Reily C, Maillard N, Rizk DV, Moldoveanu Z, Mestecky J, Raska M, Renfrow MB, Julian BA, Novak J. The Origin and Activities of IgA1-Containing Immune Complexes in IgA Nephropathy. Front Immunol 2016; 7:117. [PMID: 27148252 PMCID: PMC4828451 DOI: 10.3389/fimmu.2016.00117] [Citation(s) in RCA: 108] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2016] [Accepted: 03/15/2016] [Indexed: 12/12/2022] Open
Abstract
IgA nephropathy (IgAN) is the most common primary glomerulonephritis, frequently leading to end-stage renal disease, as there is no disease-specific therapy. IgAN is diagnosed from pathological assessment of a renal biopsy specimen based on predominant or codominant IgA-containing immunodeposits, usually with complement C3 co-deposits and with variable presence of IgG and/or IgM. The IgA in these renal deposits is galactose-deficient IgA1, with less than a full complement of galactose residues on the O-glycans in the hinge region of the heavy chains. Research from the past decade led to the definition of IgAN as an autoimmune disease with a multi-hit pathogenetic process with contributing genetic and environmental components. In this process, circulating galactose-deficient IgA1 (autoantigen) is bound by antiglycan IgG or IgA (autoantibodies) to form immune complexes. Some of these circulating complexes deposit in glomeruli, and thereby activate mesangial cells and induce renal injury through cellular proliferation and overproduction of extracellular matrix components and cytokines/chemokines. Glycosylation pathways associated with production of the autoantigen and the unique characteristics of the corresponding autoantibodies in patients with IgAN have been uncovered. Complement likely plays a significant role in the formation and the nephritogenic activities of these complexes. Complement activation is mediated through the alternative and lectin pathways and probably occurs systemically on IgA1-containing circulating immune complexes as well as locally in glomeruli. Incidence of IgAN varies greatly by geographical location; the disease is rare in central Africa but accounts for up to 40% of native-kidney biopsies in eastern Asia. Some of this variation may be explained by genetically determined influences on the pathogenesis of the disease. Genome-wide association studies to date have identified several loci associated with IgAN. Some of these loci are associated with the increased prevalence of IgAN, whereas others, such as deletion of complement factor H-related genes 1 and 3, are protective against the disease. Understanding the molecular mechanisms and genetic and biochemical factors involved in formation and activities of pathogenic IgA1-containing immune complexes will enable the development of future disease-specific therapies as well as identification of non-invasive disease-specific biomarkers.
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Affiliation(s)
- Barbora Knoppova
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL, USA
- Department of Immunology, Faculty of Medicine and Dentistry, Palacky University and University Hospital, Olomouc, Czech Republic
| | - Colin Reily
- Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Nicolas Maillard
- Université Jean Monnet, Saint Etienne, France
- PRES Université de Lyon, Lyon, France
| | - Dana V. Rizk
- Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Zina Moldoveanu
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Jiri Mestecky
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Milan Raska
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL, USA
- Department of Immunology, Faculty of Medicine and Dentistry, Palacky University and University Hospital, Olomouc, Czech Republic
| | - Matthew B. Renfrow
- Department of Biochemistry and Molecular Genetics, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Bruce A. Julian
- Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Jan Novak
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL, USA
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L'Imperio V, Smith A, Chinello C, Pagni F, Magni F. Proteomics and glomerulonephritis: A complementary approach in renal pathology for the identification of chronic kidney disease related markers. Proteomics Clin Appl 2016; 10:371-83. [DOI: 10.1002/prca.201500075] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Revised: 10/16/2015] [Accepted: 12/02/2015] [Indexed: 12/25/2022]
Affiliation(s)
| | - Andrew Smith
- Department of Health Sciences; University Milan Bicocca; Monza Italy
| | - Clizia Chinello
- Department of Health Sciences; University Milan Bicocca; Monza Italy
| | - Fabio Pagni
- Department of Pathology; University Milan Bicocca; Monza Italy
| | - Fulvio Magni
- Department of Health Sciences; University Milan Bicocca; Monza Italy
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31
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Salvadori M, Rosso G. Update on immunoglobulin a nephropathy. Part II: Clinical, diagnostic and therapeutical aspects. World J Nephrol 2016; 5:6-19. [PMID: 26788460 PMCID: PMC4707169 DOI: 10.5527/wjn.v5.i1.6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Revised: 11/13/2015] [Accepted: 12/03/2015] [Indexed: 02/06/2023] Open
Abstract
Immunoglobulin A nephropathy (IgAN) is characterized by different clinical manifestations and by long-term different outcomes. Major problem for the physicians is to understanding which patients are at risk of a disease evolution and to prescribe the right therapy to the right patients. Indeed, in addition to patients with a stable disease with no trend to evolution or even with a spontaneous recovery, patients with an active disease and patients with a rapidly evolving glomerulonephritis are described. Several histopathological, biological and clinical markers have been described and are currently used to a better understanding of patients at risk, to suggest the right therapy and to monitor the therapy effect and the IgAN evolution over time. The clinical markers are the most reliable and allow to divide the IgAN patients into three categories: The low risk patients, the intermediate risk patients and the high risk patients. Accordingly, the therapeutic measures range from no therapy with the only need of repeated controls, to supportive therapy eventually associated with low dose immunosuppression, to immunosuppressive treatment in the attempt to avoid the evolution to end stage renal disease. However the current evidence about the different therapies is still matter of discussion. New drugs are in the pipeline and are described. They are object of randomized controlled trials, but studies with a number of patients adequately powered and with a long follow up are needed to evaluate efficacy and safety of these new drugs.
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32
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An M, Gao Y. Urinary Biomarkers of Brain Diseases. GENOMICS PROTEOMICS & BIOINFORMATICS 2016; 13:345-54. [PMID: 26751805 PMCID: PMC4747650 DOI: 10.1016/j.gpb.2015.08.005] [Citation(s) in RCA: 85] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/09/2015] [Revised: 08/01/2015] [Accepted: 08/14/2015] [Indexed: 12/12/2022]
Abstract
Biomarkers are the measurable changes associated with a physiological or pathophysiological process. Unlike blood, urine is not subject to homeostatic mechanisms. Therefore, greater fluctuations could occur in urine than in blood, better reflecting the changes in human body. The roadmap of urine biomarker era was proposed. Although urine analysis has been attempted for clinical diagnosis, and urine has been monitored during the progression of many diseases, particularly urinary system diseases, whether urine can reflect brain disease status remains uncertain. As some biomarkers of brain diseases can be detected in the body fluids such as cerebrospinal fluid and blood, there is a possibility that urine also contain biomarkers of brain diseases. This review summarizes the clues of brain diseases reflected in the urine proteome and metabolome.
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Affiliation(s)
- Manxia An
- Department of Pathophysiology, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, Beijing 100005, China; School of Basic Medicine, Peking Union Medical College, Beijing 100005, China.
| | - Youhe Gao
- Department of Pathophysiology, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, Beijing 100005, China; Department of Biochemistry and Molecular Biology, Beijing Normal University, Beijing Key Laboratory of Gene Engineering and Biotechnology, Beijing 100875, China.
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Abstract
Compared to genomics or transcriptomics, proteomics is often regarded as an "emerging technology," i.e., as not having reached the same level of maturity. While the successful implementation of proteomics workflows and technology still requires significant levels of expertise and specialization, great strides have been made to make the technology more powerful, streamlined and accessible. In 2014, two landmark studies published the first draft versions of the human proteome.We aim to provide an introduction specifically into the background of mass spectrometry (MS)-based proteomics. Within the field, mass spectrometry has emerged as a core technology. Coupled to increasingly powerful separations and data processing and bioinformatics solution, it allows the quantitative analysis of whole proteomes within a matter of days, a timescale that has made global comparative proteome studies feasible at last. We present and discuss the basic concepts behind proteomics mass spectrometry and the accompanying topic of protein and peptide separations, with a focus on the properties of datasets emerging from such studies.
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Differentially expressed urinary biomarkers in children with idiopathic nephrotic syndrome. Clin Exp Nephrol 2015; 20:273-83. [DOI: 10.1007/s10157-015-1162-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2015] [Accepted: 08/25/2015] [Indexed: 01/01/2023]
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35
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Zhang C, Zeng X, Li Z, Wang Z, Li S. Immunoglobulin A nephropathy: current progress and future directions. Transl Res 2015; 166:134-44. [PMID: 25797891 DOI: 10.1016/j.trsl.2015.02.007] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2014] [Revised: 02/25/2015] [Accepted: 02/26/2015] [Indexed: 01/10/2023]
Abstract
Immunoglobulin A (IgA) nephropathy is the most prevalent form of primary glomerulonephritis that often leads to end-stage kidney failure, thereby representing a major health challenge worldwide. Tremendous effort has been dedicated to the diagnosis, monitoring, and treatment of the disease, and the past several years have witnessed exciting advances that have enriched our understanding of the biology, etiology, and pathology of IgA nephropathy. The disease is characterized by predominant deposition of IgA immune complexes that progressively causes activation of mesangial cells, glomerular inflammation, and ultimately renal injury. Multiple recent independent high-throughput studies in cohorts have identified key susceptibility alleles, such as the major histocompatibility complex loci that are significantly associated with the risk of disease occurrence. Notably, a fraction of these risk loci encode proteins that participate in immune defense against mucosal pathogens, particularly intestinal nematodes, indicating a linkage between IgA-mediated antihelminth immunity and the pathogenesis of IgA nephropathy. The emerging "omics" technology also allows for systemic analysis of urinary and serum samples as a noninvasive procedure for diagnosis and prognosis, as demonstrated by several studies implicating the proteomic signature and microRNA profile as promising diagnostic and prognostic parameters. In the clinic, the current treatment protocol relies on suppression of the renin-angiotensin system to control blood pressure and proteinuria. This review scrutinizes and summarizes recent relevant findings that aim to translate researchers' benchside knowledge of disease initiation and development into patients' bedside diagnosis and therapy.
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Affiliation(s)
- Chunlei Zhang
- Laboratory of Science Department, Shenzhen Affiliated Hospital, Guangzhou University of Traditional Chinese Medicine, Shenzhen, China
| | - Xuehui Zeng
- Laboratory of Science Department, Shenzhen Affiliated Hospital, Guangzhou University of Traditional Chinese Medicine, Shenzhen, China
| | - Zhongxin Li
- Laboratory of Science Department, Shenzhen Affiliated Hospital, Guangzhou University of Traditional Chinese Medicine, Shenzhen, China
| | - Zhe Wang
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Tex
| | - Shunmin Li
- Department of Nephrology, Shenzhen Affiliated Hospital, Guangzhou University of Traditional Chinese Medicine, Shenzhen, China.
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Kovacevic L, Lu H, Goldfarb DS, Lakshmanan Y, Caruso JA. Urine proteomic analysis in cystinuric children with renal stones. J Pediatr Urol 2015; 11:217.e1-6. [PMID: 26076823 PMCID: PMC4540695 DOI: 10.1016/j.jpurol.2015.04.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Accepted: 04/25/2015] [Indexed: 11/16/2022]
Abstract
INTRODUCTION The gene mutations responsible for cystinuria do not fully explain kidney stone activity, suggesting that specific proteins may serve as promoters of cystine precipitation, aggregation or epithelial adherence. In this study we assessed (1) the differences in the urinary proteins between children with cystinuria and kidney stones (CYS) and healthy controls (HC), with particular attention to the fibrosis-related proteins, and (2) the presence of diagnostic biomarkers for CYS. MATERIAL AND METHODS We conducted a pilot study comparing individual urinary proteomes of 2 newly diagnosed children with CYS and 2 age- and gender-matched HC, using liquid chromatography-mass spectrometry. Relative protein abundance was estimated using spectral counting. Proteins of interest in both CYS and HC were selected using the following criteria: i) ≥5 spectral counts; ii) ≥2-fold difference in spectral counts; and iii) ≤0.05 p-value for the Fisher's Exact Test. DISCUSSION This study demonstrates a different urinary polypeptide profile in two children with CYS compared to two HC. Of the 623 proteins identified by proteomic analysis, 180 exhibited at least a 2-fold increased relative abundance in CYS compared to HC. Of these, 39 were involved in response to stress, 26 in response to wounding, 21 in inflammatory response, 18 in immune response, and 4 in cellular response to oxidative stress. 133 proteins were found only in children with CYS, 33 of which met the selection criteria. Of these 33 unique proteins, six are known to be associated with fibrosis pathways (Table). The major limitation of this study is the small number of samples that were analyzed. Validation using highly specific methods such as ELISA is needed. CONCLUSION We provide proteomic evidence of oxidative injury, inflammation, wound healing and fibrosis in two children with CYS. We speculate that oxidative stress and inflammation may cause remodeling via actin and vimentin pathways, leading to fibrosis. Additionally, we identified ITIH and MMP-9 as potential diagnostic biomarkers and novel therapeutic targets in CYS. These proteins merit further investigation.
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Affiliation(s)
- Larisa Kovacevic
- Department of Pediatric Urology, Children's Hospital of Michigan, Detroit, MI, USA.
| | - Hong Lu
- Department of Pediatric Urology, Children's Hospital of Michigan, Detroit, MI, USA
| | - David S Goldfarb
- Nephrology Division, NYU Langone Medical Center, New York, NY, USA
| | - Yegappan Lakshmanan
- Department of Pediatric Urology, Children's Hospital of Michigan, Detroit, MI, USA
| | - Joseph A Caruso
- Proteomic Facility, Wayne State University, Detroit, MI, USA
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Reich HN, Sabelnykova VY, Boutros PC. Matching Kidneys and Urines: Establishing Noninvasive Surrogates of Intrarenal Events in Primary Glomerulonephritis. Semin Nephrol 2015. [PMID: 26215863 DOI: 10.1016/j.semnephrol.2015.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Kidney biopsy is the gold standard procedure for providing diagnostic and prognostic information for patients with glomerular-based diseases, however, the utility of this procedure for assessing longitudinal disease activity is limited. The intense search for noninvasive biomarkers of kidney disease activity and injury is driven in large part by the inherent risks of the kidney biopsy procedure and limited information derived from the morphologic description of biopsy findings. Furthermore, gaps in our understanding of the core intrarenal molecular processes underlying the development and progression of glomerular-based diseases has limited the development of effective targeted therapy. In this review, we discuss the potential utility of molecular analysis of the urine to provide a dynamic window into intrarenal molecular and morphologic responses. We focus on molecular analysis of the urine to identify noninvasive surrogate markers of kidney responses, with the goal of using these biomarkers as more sensitive indicators of progression and tissue-level responses to therapeutic interventions in patients with primary glomerulonephritis.
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Affiliation(s)
- Heather N Reich
- The Toronto Glomerulonephritis Registry, University Health Network, Gabor Zellerman Chair in Nephrology Research at the University of Toronto Department of Medicine, Toronto, Ontario, Canada.
| | - Veronica Y Sabelnykova
- Informatics and Bio-computing Program, Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - Paul C Boutros
- Informatics and Bio-computing Program, Ontario Institute for Cancer Research, Toronto, Ontario, Canada; Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada; Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada
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38
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Rovin BH, Klein JB. Proteomics and autoimmune kidney disease. Clin Immunol 2015; 161:23-30. [PMID: 25979820 DOI: 10.1016/j.clim.2015.04.021] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2015] [Accepted: 04/27/2015] [Indexed: 01/27/2023]
Abstract
Proteomics has long been considered an ideal platform, and urine an ideal source for biomarker discovery in human autoimmune kidney diseases. A number of studies have examined the urine proteome to identify biomarkers of disease activity, kidney pathology, and response to therapy. Increasingly, proteomic studies of kidney disease have expanded to include blood, circulating cells and kidney tissue. Recently the clinical potential of renal proteomics has been realized through a handful of investigations whose results appear to be applicable to patient care. In this review, approaches to the proteomic evaluation of autoimmune kidney diseases will be considered in the context of developing clinically useful disease biomarkers.
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Affiliation(s)
- Brad H Rovin
- Nephrology Division, The Ohio State University Wexner Medical Center, Columbus, OH, United States.
| | - Jon B Klein
- Nephrology Division, The University of Louisville School of Medicine, Robley Rex VA Medical Center, Louisville, KY, United States
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Glassock RJ. Opponent's comments. Nephrol Dial Transplant 2015; 30:537-8. [DOI: 10.1093/ndt/gfv046a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Mohr KB, Zirafi O, Hennies M, Wiese S, Kirchhoff F, Münch J. Sandwich enzyme-linked immunosorbent assay for the quantification of human serum albumin fragment 408-423 in bodily fluids. Anal Biochem 2015; 476:29-35. [PMID: 25660532 DOI: 10.1016/j.ab.2015.01.023] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2014] [Revised: 01/13/2015] [Accepted: 01/27/2015] [Indexed: 11/19/2022]
Abstract
Urinary levels of human serum albumin (hSA) fragment 408-423 have been proposed to represent an early marker for graft-versus-host disease (GvHD) and chronic kidney diseases. Here, we developed an enzyme-linked immunosorbent assay (ELISA) for the quantification of hSA(408-423). The sandwich ELISA has a detection limit of 0.5ng/ml and is highly specific for hSA(408-423) because it does not cross-react with other albumin fragments or the full-length precursor. This ELISA allows rapid and convenient quantification of hSA(408-423) in bodily fluids, further clarifying the prognostic and diagnostic value of this peptide in GvHD, kidney disease, and other disorders.
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Affiliation(s)
- Katharina B Mohr
- Institute of Molecular Virology, Ulm University Medical Center, 89081 Ulm, Germany; International Graduate School in Molecular Medicine Ulm, Ulm University, 89081 Ulm, Germany
| | - Onofrio Zirafi
- Institute of Molecular Virology, Ulm University Medical Center, 89081 Ulm, Germany
| | | | - Sebastian Wiese
- Core Unit Mass Spectrometry and Proteomics, Ulm University, 89081 Ulm, Germany
| | - Frank Kirchhoff
- Institute of Molecular Virology, Ulm University Medical Center, 89081 Ulm, Germany; Ulm Peptide Pharmaceuticals, Ulm University, 89081 Ulm, Germany
| | - Jan Münch
- Institute of Molecular Virology, Ulm University Medical Center, 89081 Ulm, Germany; Ulm Peptide Pharmaceuticals, Ulm University, 89081 Ulm, Germany.
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Pedroza-Díaz J, Röthlisberger S. Advances in urinary protein biomarkers for urogenital and non-urogenital pathologies. Biochem Med (Zagreb) 2015; 25:22-35. [PMID: 25672464 PMCID: PMC4401308 DOI: 10.11613/bm.2015.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2014] [Accepted: 10/14/2014] [Indexed: 01/18/2023] Open
Abstract
The discovery of protein biomarkers that reflect the biological state of the body is of vital importance to disease management. Urine is an ideal source of biomarkers that provides a non-invasive approach to diagnosis, prognosis and prediction of diseases. Consequently, the study of the human urinary proteome has increased dramatically over the last 10 years, with many studies being published. This review focuses on urinary protein biomarkers that have shown potential, in initial studies, for diseases affecting the urogenital tract, specifically chronic kidney disease and prostate cancer, as well as other non-urogenital pathologies such as breast cancer, diabetes, atherosclerosis and osteoarthritis. PubMed was searched for peer-reviewed literature on the subject, published in the last 10 years. The keywords used were "urine, biomarker, protein, and/or prostate cancer/breast cancer/chronic kidney disease/diabetes/atherosclerosis/osteoarthritis". Original studies on the subject, as well as a small number of reviews, were analysed including the strengths and weaknesses, and we summarized the performance of biomarkers that demonstrated potential. One of the biggest challenges found is that biomarkers are often shared by several pathologies so are not specific to one disease. Therefore, the trend is shifting towards implementing a panel of biomarkers, which may increase specificity. Although there have been many advances in urinary proteomics, these have not resulted in similar advancements in clinical practice due to high costs and the lack of large data sets. In order to translate these potential biomarkers to clinical practice, vigorous validation is needed, with input from industry or large collaborative studies.
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Affiliation(s)
- Johanna Pedroza-Díaz
- Instituto Tecnologico Metropolitano, Facultad de Ciencias Exactas y Aplicadas, Medellin, Colombia
| | - Sarah Röthlisberger
- Instituto Tecnologico Metropolitano, Facultad de Ciencias Exactas y Aplicadas, Medellin, Colombia
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Novak J, Raska M, Mestecky J, Julian BA. IgA Nephropathy and Related Diseases. Mucosal Immunol 2015. [DOI: 10.1016/b978-0-12-415847-4.00105-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Hamilton P, Myers J, Gillham J, Ayers G, Brown N, Venning M. Urinary protein selectivity in nephrotic syndrome and pregnancy: resurrection of a biomarker when renal biopsy is contraindicated. Clin Kidney J 2014; 7:595-8. [PMID: 25859379 PMCID: PMC4389140 DOI: 10.1093/ckj/sfu103] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2014] [Accepted: 09/08/2014] [Indexed: 11/14/2022] Open
Abstract
Significant proteinuria in pregnancy can indicate the presence of serious conditions requiring investigation and treatment. The nephrotic syndrome in pregnancy presents a multitude of difficulties and is a relative contraindication of renal biopsy, particularly in the third trimester. We present a case of nephrotic syndrome of unknown cause presenting at 33 weeks of pregnancy. With renal biopsy contraindicated, we used the urine protein selectivity test, a largely discarded test predicting steroid-responsive nephrotic syndrome, to help inform the decision to give steroids. This led to a successful clinical outcome including the avoidance of neonatal ICU care for baby.
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Affiliation(s)
- Patrick Hamilton
- Manchester Institute of Nephrology & Transplantation, Manchester Royal Infirmary, Manchester, UK
| | - Jenny Myers
- Maternal & Fetal Health Research Centre, St Mary's Hospital, Manchester, UK
| | - Joanna Gillham
- Department of Obstetrics & Maternal and Fetal Medicine, St Mary's Hospital, Manchester, UK
| | - Gwen Ayers
- Department of Clinical Biochemistry, Manchester Royal Infirmary, Manchester, UK
| | - Nina Brown
- Manchester Institute of Nephrology & Transplantation, Manchester Royal Infirmary, Manchester, UK
| | - Michael Venning
- Manchester Institute of Nephrology & Transplantation, Manchester Royal Infirmary, Manchester, UK
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Lin SY, Hsu WH, Lin CC, Chen CJ. Mass spectrometry-based proteomics in Chest Medicine, Gerontology, and Nephrology: subgroups omics for personalized medicine. Biomedicine (Taipei) 2014; 4:25. [PMID: 25520938 PMCID: PMC4264973 DOI: 10.7603/s40681-014-0025-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2014] [Accepted: 07/30/2014] [Indexed: 12/12/2022] Open
Abstract
Mass spectrometry (MS) is currently the most promising tool for studying proteomics to investigate largescale proteins in a specific proteome. Emerging MS-based proteomics is widely applied to decipher complex proteome for discovering potential biomarkers. Given its growing usage in clinical medicine for biomarker discovery to predict, diagnose and confer prognosis, MS-based proteomics can benefit study of personalized medicine. In this review we introduce some fundamental MS theory and MS-based quantitative proteomic approaches as well as several representative clinical MS-based proteomics issues in Chest Medicine, Gerontology, and Nephrology.
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Affiliation(s)
- Shih-Yi Lin
- Institute of Clinical Medical Science, China Medical University College of Medicine, 404 Taichung, Taiwan
- Department of Internal Medicine, China Medical University Hospital, 404 Taichung, Taiwan
- Division of Nephrology and Kidney Institute, China Medical University Hospital, 404 Taichung, Taiwan
| | - Wu-Huei Hsu
- Institute of Clinical Medical Science, China Medical University College of Medicine, 404 Taichung, Taiwan
- Department of Internal Medicine, China Medical University Hospital, 404 Taichung, Taiwan
- Division of Pulmonary and Critical Care Medicine, China Medical University Hospital and China Medical University, 404 Taichung, Taiwan
| | - Cheng-Chieh Lin
- Institute of Clinical Medical Science, China Medical University College of Medicine, 404 Taichung, Taiwan
- Department of Family Medicine, China Medical University Hospital, 404 Taichung, Taiwan
- School of Medicine, College of Medicine China Medical University, No. 91, Hsueh Shih Road, 404 Taichung, Taiwan
| | - Chao-Jung Chen
- Graduate Institute of Integrated Medicine, College of Chinese Medicine, China Medical University, No. 91, Hsueh-Shih Road, 402 Taichung, Taiwan
- Proteomics Core Laboratory, Department of Medical Research, China Medical University Hospital, 404 Taichung, Taiwan
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Fibrinogen alpha chain precursor and apolipoprotein A-I in urine as biomarkers for noninvasive diagnosis of calcium oxalate nephrolithiasis: a proteomics study. BIOMED RESEARCH INTERNATIONAL 2014; 2014:415651. [PMID: 25147800 PMCID: PMC4132411 DOI: 10.1155/2014/415651] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/17/2014] [Revised: 04/08/2014] [Accepted: 07/04/2014] [Indexed: 02/08/2023]
Abstract
Calcium oxalate nephrolithiasis is the most common urological disease, but noninvasive and convenient methods of diagnosis are rarely available. Objective. The present study aimed to identify potential urine biomarkers for noninvasive diagnosis of CaOx nephrolithiasis. Methodology. Urine samples from 72 patients with CaOx nephrolithiasis and 30 healthy controls were collected and proteomics analysis was performed using matrix-assisted laser desorption/ionization-time of flight-mass spectrometer (MALDI-TOF-MS). Results. Thirteen proteins/peptides displayed statistically significant differences. The peptides of m/z 1207.23 and 2773.86 were selected by the genetic algorithm (GA) to build a possible diagnostic model. The area under the curve of m/z 1207.23 and 2773.86 was 0.936 and 0.987, respectively. The diagnostic model in distinguishing patients and healthy subjects showed 100% sensitivity and specificity. The peak at m/z 2773.86 was identified as fibrinogen alpha chain (FGA) with the sequence G.EGDFLAEGGGVR.G, and the peak at m/z 2773.86 was identified as apolipoprotein A-I (apoA-I) with the sequence L.PVLESFKVSFLSALEEYTKKLNTQ. Conclusion. The study results strongly suggested that urinary FGA and apoA-I are highly sensitive and specific biomarkers for noninvasive diagnosis of CaOx nephrolithiasis.
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Filip S, Pontillo C, Peter Schanstra J, Vlahou A, Mischak H, Klein J. Urinary proteomics and molecular determinants of chronic kidney disease: possible link to proteases. Expert Rev Proteomics 2014; 11:535-48. [DOI: 10.1586/14789450.2014.926224] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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The novel diagnostic biomarkers for focal segmental glomerulosclerosis. Int J Nephrol 2014; 2014:574261. [PMID: 24790760 PMCID: PMC3984796 DOI: 10.1155/2014/574261] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2013] [Revised: 02/21/2014] [Accepted: 02/24/2014] [Indexed: 11/17/2022] Open
Abstract
Background. Focal segmental glomerulosclerosis (FSGS) is a glomerular injury with various pathogenic mechanisms. Urine proteome panel might help in noninvasive diagnosis and better understanding of pathogenesis of FSGS. Method. We have analyzed the urine sample of 11 biopsy-proven FSGS subjects, 8 healthy controls, and 6 patients with biopsy-proven IgA nephropathy (disease controls) by means of liquid chromatography tandem mass spectrometry (nLC-MS/MS). Multivariate analysis of quantified proteins was performed by principal component analysis (PCA) and partial least squares (PLS). Results. Of the total number of 389 proteins, after multivariate analysis and additional filter criterion and comparing FSGS versus IgA nephropathy and healthy subjects, 77 proteins were considered as putative biomarkers of FSGS. CD59, CD44, IBP7, Robo4, and DPEP1 were the most significant differentially expressed proteins. These proteins are involved in pathogenic pathways: complement pathway, sclerosis, cell proliferation, actin cytoskeleton remodeling, and activity of TRPC6.There was complete absence of DPEP1 in urine proteome of FSGS subjects compared with healthy and disease controls. DPEP1 acts via leukotrienes on TRPC6 and results in increased podocyte motility and proteinuria. Conclusion. The results suggest a panel of candidate biomarkers for noninvasive diagnosis of FSGS, while complete absence of DPEP1 might represent a novel marker of FSGS.
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Sánchez-Juanes F, Muñiz MC, Raposo C, Rodríguez-Prieto S, Paradela A, Quiros Y, López-Hernández F, González-Buitrago JM, Ferreira L. Unveiling the rat urinary proteome with three complementary proteomics approaches. Electrophoresis 2014; 34:2473-83. [PMID: 23784626 DOI: 10.1002/elps.201200689] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2012] [Revised: 04/29/2013] [Accepted: 05/02/2013] [Indexed: 01/25/2023]
Abstract
Urine is a suitable biological fluid to look for markers of physiological and pathological processes, including renal and nonrenal diseases. In addition, it is an optimal body sample for diagnosis, because it is easily obtained without invasive procedures and can be sampled in large quantities at almost any time. Rats are frequently used as a model to study human diseases, and rat urine has been analyzed to search for disease biomarkers. The normal human urinary proteome has been studied extensively, but the normal rat urinary proteome has not been studied in such depth. In light of this, we were prompted to analyze the normal rat urinary proteome using three complementary proteomics platforms: SDS-PAGE separation, followed by LC-ESI-MS/MS; 2DE, followed by MALDI-TOF-TOF and 2D-liquid chromatography-chromatofocusing, followed by LC-ESI-Q-TOF. A total of 366 unique proteins were identified, of which only 5.2% of unique proteins were identified jointly by the three proteomics platforms used. This suggests that simultaneous proteomics techniques provide complementary and nonredundant information. Our analysis affords the most extensive rat urinary protein database currently available and this may be useful in the study of renal physiology and in the search for biomarkers related to renal and nonrenal diseases.
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Pérez V, Ibernón M, López D, Pastor MC, Navarro M, Navarro-Muñoz M, Bonet J, Romero R. Urinary peptide profiling to differentiate between minimal change disease and focal segmental glomerulosclerosis. PLoS One 2014; 9:e87731. [PMID: 24498182 PMCID: PMC3907468 DOI: 10.1371/journal.pone.0087731] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2013] [Accepted: 12/29/2013] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Minimal change disease (MCD) and primary focal segmental glomerulosclerosis (FSGS) are the main causes of primary idiopathic nephrotic syndrome in children and adults, with diagnosis being essential for the appropriate choice of therapy and requiring renal biopsy. However, the presence of only normal glomeruli on renal biopsy of FSGS patients may lead to the misclassification of these patients as having MCD. The aim of this study was to (i) compare the peptide profile of MCD and FSGS patients with that of a group of healthy subjects, (ii) generate and validate a class prediction model to classify MCD and FSGS patients and (ii) identify candidate biomarkers of these glomerular entities by analysis of the urinary peptidome. METHODS The urinary peptide profile was analyzed by magnetic bead-based technology combined with MALDI-TOF mass spectrometry in 44 patients diagnosed of MCD (n = 22) and FSGS (n = 22). The resulting spectra were compiled and analyzed using ClinProTools software. RESULTS A class prediction model was developed to differentiate MCD and FSGS patients. The validation of this model correctly classified 81.8% (9/11) of MCD patients and 72.7% (8/11) of FSGS patients. Moreover, the signal with m/z 1913.60, identified as a fragment of uromodulin, and the signal with m/z 2392.54, identified as a fragment of alpha-1-antitrypsin, showed higher and lower peak areas, respectively, in FSGS patients compared with MCD patients. CONCLUSIONS The simple, non-invasive technique described in the present study may be a useful tool to help clinicians by confirming diagnoses achieved by renal biopsy, thereby reducing misdiagnoses and avoiding the implementation of inappropriate therapies.
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Affiliation(s)
- Vanessa Pérez
- Department of Nephrology, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Esfera UAB, Badalona, Spain
- Laboratory of Experimental Nephrology, Institut d’Investigació en Ciències de la Salut Germans Trias i Pujol, Universitat Autònoma de Barcelona, Esfera UAB, Badalona, Spain
| | - Meritxell Ibernón
- Department of Nephrology, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Esfera UAB, Badalona, Spain
| | - Dolores López
- Department of Pathology, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Esfera UAB, Badalona, Spain
| | - María Cruz Pastor
- Department of Clinical Biochemistry, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Esfera UAB, Badalona, Spain
| | - Maruja Navarro
- Department of Nephrology, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Esfera UAB, Badalona, Spain
| | - Maribel Navarro-Muñoz
- Department of Nephrology, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Esfera UAB, Badalona, Spain
- Laboratory of Experimental Nephrology, Institut d’Investigació en Ciències de la Salut Germans Trias i Pujol, Universitat Autònoma de Barcelona, Esfera UAB, Badalona, Spain
| | - Josep Bonet
- Department of Nephrology, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Esfera UAB, Badalona, Spain
| | - Ramón Romero
- Department of Nephrology, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Esfera UAB, Badalona, Spain
- Laboratory of Experimental Nephrology, Institut d’Investigació en Ciències de la Salut Germans Trias i Pujol, Universitat Autònoma de Barcelona, Esfera UAB, Badalona, Spain
- Department of Medicine, Universitat Autònoma de Barcelona, Esfera UAB, Badalona, Spain
- * E-mail:
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Albalat A, Mischak H, Mullen W. Clinical application of urinary proteomics/peptidomics. Expert Rev Proteomics 2014; 8:615-29. [DOI: 10.1586/epr.11.46] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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