1
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Lai Y, Koelmel JP, Walker DI, Price EJ, Papazian S, Manz KE, Castilla-Fernández D, Bowden JA, Nikiforov V, David A, Bessonneau V, Amer B, Seethapathy S, Hu X, Lin EZ, Jbebli A, McNeil BR, Barupal D, Cerasa M, Xie H, Kalia V, Nandakumar R, Singh R, Tian Z, Gao P, Zhao Y, Froment J, Rostkowski P, Dubey S, Coufalíková K, Seličová H, Hecht H, Liu S, Udhani HH, Restituito S, Tchou-Wong KM, Lu K, Martin JW, Warth B, Godri Pollitt KJ, Klánová J, Fiehn O, Metz TO, Pennell KD, Jones DP, Miller GW. High-Resolution Mass Spectrometry for Human Exposomics: Expanding Chemical Space Coverage. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:12784-12822. [PMID: 38984754 PMCID: PMC11271014 DOI: 10.1021/acs.est.4c01156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 06/11/2024] [Accepted: 06/12/2024] [Indexed: 07/11/2024]
Abstract
In the modern "omics" era, measurement of the human exposome is a critical missing link between genetic drivers and disease outcomes. High-resolution mass spectrometry (HRMS), routinely used in proteomics and metabolomics, has emerged as a leading technology to broadly profile chemical exposure agents and related biomolecules for accurate mass measurement, high sensitivity, rapid data acquisition, and increased resolution of chemical space. Non-targeted approaches are increasingly accessible, supporting a shift from conventional hypothesis-driven, quantitation-centric targeted analyses toward data-driven, hypothesis-generating chemical exposome-wide profiling. However, HRMS-based exposomics encounters unique challenges. New analytical and computational infrastructures are needed to expand the analysis coverage through streamlined, scalable, and harmonized workflows and data pipelines that permit longitudinal chemical exposome tracking, retrospective validation, and multi-omics integration for meaningful health-oriented inferences. In this article, we survey the literature on state-of-the-art HRMS-based technologies, review current analytical workflows and informatic pipelines, and provide an up-to-date reference on exposomic approaches for chemists, toxicologists, epidemiologists, care providers, and stakeholders in health sciences and medicine. We propose efforts to benchmark fit-for-purpose platforms for expanding coverage of chemical space, including gas/liquid chromatography-HRMS (GC-HRMS and LC-HRMS), and discuss opportunities, challenges, and strategies to advance the burgeoning field of the exposome.
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Affiliation(s)
- Yunjia Lai
- Department
of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, New York 10032, United States
| | - Jeremy P. Koelmel
- Department
of Environmental Health Sciences, Yale School
of Public Health, New Haven, Connecticut 06520, United States
| | - Douglas I. Walker
- Gangarosa
Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, Georgia 30322, United States
| | - Elliott J. Price
- RECETOX,
Faculty of Science, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic
| | - Stefano Papazian
- Department
of Environmental Science, Science for Life Laboratory, Stockholm University, SE-106 91 Stockholm, Sweden
- National
Facility for Exposomics, Metabolomics Platform, Science for Life Laboratory, Stockholm University, Solna 171 65, Sweden
| | - Katherine E. Manz
- Department
of Environmental Health Sciences, School of Public Health, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Delia Castilla-Fernández
- Department
of Food Chemistry and Toxicology, Faculty of Chemistry, University of Vienna, 1010 Vienna, Austria
| | - John A. Bowden
- Center for
Environmental and Human Toxicology, Department of Physiological Sciences,
College of Veterinary Medicine, University
of Florida, Gainesville, Florida 32611, United States
| | | | - Arthur David
- Univ Rennes,
Inserm, EHESP, Irset (Institut de recherche en santé, environnement
et travail) − UMR_S, 1085 Rennes, France
| | - Vincent Bessonneau
- Univ Rennes,
Inserm, EHESP, Irset (Institut de recherche en santé, environnement
et travail) − UMR_S, 1085 Rennes, France
| | - Bashar Amer
- Thermo
Fisher Scientific, San Jose, California 95134, United States
| | | | - Xin Hu
- Gangarosa
Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, Georgia 30322, United States
| | - Elizabeth Z. Lin
- Department
of Environmental Health Sciences, Yale School
of Public Health, New Haven, Connecticut 06520, United States
| | - Akrem Jbebli
- RECETOX,
Faculty of Science, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic
| | - Brooklynn R. McNeil
- Biomarkers
Core Laboratory, Irving Institute for Clinical and Translational Research, Columbia University Irving Medical Center, New York, New York 10032, United States
| | - Dinesh Barupal
- Department
of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, New York 10029, United States
| | - Marina Cerasa
- Institute
of Atmospheric Pollution Research, Italian National Research Council, 00015 Monterotondo, Rome, Italy
| | - Hongyu Xie
- Department
of Environmental Science, Science for Life Laboratory, Stockholm University, SE-106 91 Stockholm, Sweden
| | - Vrinda Kalia
- Department
of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, New York 10032, United States
| | - Renu Nandakumar
- Biomarkers
Core Laboratory, Irving Institute for Clinical and Translational Research, Columbia University Irving Medical Center, New York, New York 10032, United States
| | - Randolph Singh
- Department
of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, New York 10032, United States
| | - Zhenyu Tian
- Department
of Chemistry and Chemical Biology, Northeastern
University, Boston, Massachusetts 02115, United States
| | - Peng Gao
- Department
of Environmental and Occupational Health, and Department of Civil
and Environmental Engineering, University
of Pittsburgh, Pittsburgh, Pennsylvania 15261, United States
- UPMC Hillman
Cancer Center, Pittsburgh, Pennsylvania 15232, United States
| | - Yujia Zhao
- Institute
for Risk Assessment Sciences, Utrecht University, Utrecht 3584CM, The Netherlands
| | | | | | - Saurabh Dubey
- Biomarkers
Core Laboratory, Irving Institute for Clinical and Translational Research, Columbia University Irving Medical Center, New York, New York 10032, United States
| | - Kateřina Coufalíková
- RECETOX,
Faculty of Science, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic
| | - Hana Seličová
- RECETOX,
Faculty of Science, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic
| | - Helge Hecht
- RECETOX,
Faculty of Science, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic
| | - Sheng Liu
- Department
of Environmental Health Sciences, Yale School
of Public Health, New Haven, Connecticut 06520, United States
| | - Hanisha H. Udhani
- Biomarkers
Core Laboratory, Irving Institute for Clinical and Translational Research, Columbia University Irving Medical Center, New York, New York 10032, United States
| | - Sophie Restituito
- Department
of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, New York 10032, United States
| | - Kam-Meng Tchou-Wong
- Department
of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, New York 10032, United States
| | - Kun Lu
- Department
of Environmental Sciences and Engineering, Gillings School of Global
Public Health, The University of North Carolina
at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Jonathan W. Martin
- Department
of Environmental Science, Science for Life Laboratory, Stockholm University, SE-106 91 Stockholm, Sweden
- National
Facility for Exposomics, Metabolomics Platform, Science for Life Laboratory, Stockholm University, Solna 171 65, Sweden
| | - Benedikt Warth
- Department
of Food Chemistry and Toxicology, Faculty of Chemistry, University of Vienna, 1010 Vienna, Austria
| | - Krystal J. Godri Pollitt
- Department
of Environmental Health Sciences, Yale School
of Public Health, New Haven, Connecticut 06520, United States
| | - Jana Klánová
- RECETOX,
Faculty of Science, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic
| | - Oliver Fiehn
- West Coast
Metabolomics Center, University of California−Davis, Davis, California 95616, United States
| | - Thomas O. Metz
- Biological
Sciences Division, Pacific Northwest National
Laboratory, Richland, Washington 99354, United States
| | - Kurt D. Pennell
- School
of Engineering, Brown University, Providence, Rhode Island 02912, United States
| | - Dean P. Jones
- Department
of Medicine, School of Medicine, Emory University, Atlanta, Georgia 30322, United States
| | - Gary W. Miller
- Department
of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, New York 10032, United States
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Lauder L, Siwy J, Mavrogeorgis E, Keller F, Kunz M, Wachter A, Emrich IE, Böhm M, Mischak H, Mahfoud F. Impact of Renal Denervation on Urinary Peptide-Based Biomarkers in Hypertension. Hypertension 2024; 81:1374-1382. [PMID: 38572643 DOI: 10.1161/hypertensionaha.124.22819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 03/25/2024] [Indexed: 04/05/2024]
Abstract
BACKGROUND Catheter-based renal denervation (RDN) reduces blood pressure in hypertension. Urinary peptides are associated with cardiovascular and renal disease and provide prognostic information. We aimed to investigate the effect of RDN on urinary peptide-based classifiers associated with chronic kidney and heart disease and to identify urinary peptides affected by RDN. METHODS This single-arm, single-center study included patients undergoing catheter-based RDN. Urine samples were collected before and 24 months after RDN and were analyzed using capillary electrophoresis coupled with mass spectrometry. Predefined urinary peptide-based classifiers for chronic kidney disease (CKD273), coronary artery disease (CAD238), and heart failure (HF1) were applied. RESULTS This study included 48 patients (33% female) with uncontrolled hypertension. At 24 months after RDN, systolic blood pressure (165±17 versus 148±20 mm Hg; P<0.0001), diastolic blood pressure (90±17 versus 81±13 mm Hg; P<0.0001), and mean arterial pressure (115±15 versus 103±13 mm Hg; P<0.0001) decreased significantly. A total of 103 urinary peptides from 37 different proteins, mostly collagens, altered following RDN. CAD238, a 238 coronary artery-specific polypeptide-based classifier, significantly improved following RDN (Cohen's d, -0.632; P=0.0001). The classification scores of HF1 (P=0.8295) and CKD273 (P=0.6293) did not change significantly. CONCLUSIONS RDN beneficially affected urinary peptides associated with coronary artery disease. REGISTRATION URL: https://www.clinicaltrials.gov; Unique identifier: NCT01888315.
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Affiliation(s)
- Lucas Lauder
- Klinik für Innere Medizin III - Kardiologie, Angiologie und Internistische Intensivmedizin, Universitätskliniken des Saarlandes und Universität des Saarlandes, Homburg, Germany (L.L., M.K., A.W., I.E.E., M.B., F.M.)
| | - Justyna Siwy
- Mosaiques Diagnostics GmbH, Hannover, Germany (J.S., E.M., H.M.)
| | - Emmanouil Mavrogeorgis
- Mosaiques Diagnostics GmbH, Hannover, Germany (J.S., E.M., H.M.)
- Institute for Molecular Cardiovascular Research, Rheinisch-Westfälische Technische Hochschule Aachen University Hospital, Germany (E.M.)
| | - Felix Keller
- Department of Internal Medicine IV (Nephrology and Hypertension), Medical University Innsbruck, Austria (F.K.)
| | - Michael Kunz
- Klinik für Innere Medizin III - Kardiologie, Angiologie und Internistische Intensivmedizin, Universitätskliniken des Saarlandes und Universität des Saarlandes, Homburg, Germany (L.L., M.K., A.W., I.E.E., M.B., F.M.)
| | - Angelika Wachter
- Klinik für Innere Medizin III - Kardiologie, Angiologie und Internistische Intensivmedizin, Universitätskliniken des Saarlandes und Universität des Saarlandes, Homburg, Germany (L.L., M.K., A.W., I.E.E., M.B., F.M.)
| | - Insa E Emrich
- Klinik für Innere Medizin III - Kardiologie, Angiologie und Internistische Intensivmedizin, Universitätskliniken des Saarlandes und Universität des Saarlandes, Homburg, Germany (L.L., M.K., A.W., I.E.E., M.B., F.M.)
| | - Michael Böhm
- Klinik für Innere Medizin III - Kardiologie, Angiologie und Internistische Intensivmedizin, Universitätskliniken des Saarlandes und Universität des Saarlandes, Homburg, Germany (L.L., M.K., A.W., I.E.E., M.B., F.M.)
| | - Harald Mischak
- Mosaiques Diagnostics GmbH, Hannover, Germany (J.S., E.M., H.M.)
| | - Felix Mahfoud
- Klinik für Innere Medizin III - Kardiologie, Angiologie und Internistische Intensivmedizin, Universitätskliniken des Saarlandes und Universität des Saarlandes, Homburg, Germany (L.L., M.K., A.W., I.E.E., M.B., F.M.)
- Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge (F.M.)
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3
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Zhang G, Li Z, Chen G, Zhang L, Cai W, Deng S, Zhang H, Wu L, Li H, Liu H. Purification and characterization of the low molecular weight xylanase from Bacillus cereus L-1. Braz J Microbiol 2023; 54:2951-2959. [PMID: 37843795 PMCID: PMC10689628 DOI: 10.1007/s42770-023-01129-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 09/10/2023] [Indexed: 10/17/2023] Open
Abstract
Xylanase is widely used in various industries such as food processing, paper, textiles, and leather tanning. In this study, Bacillus cereus L-1 strain was isolated and identified as capable of producing low molecular weight xylanase through 16 s rRNA sequencing. Maximum xylanase yield of 15.51 ± 2.08 U/mL was achieved under optimal fermentation conditions (5% inoculum, 20 g/L xylan, pH 6.0, for 24 h). After purification via ammonium sulfate precipitation and High-S ion exchange chromatography, electrophoretic purity xylanase was obtained with a 28-fold purification and specific activity of 244.97 U/mg. Xylanase had an optimal pH of 6.5 and temperature of 60 °C and displayed thermostability at 30 °C and 40 °C with 48.56% and 45.97% remaining activity after 180 min, respectively. The xylanase retained more than 82.97% of its activity after incubation for 24 h at pH 5.0 and was sensitive to metal ions, especially Mg2+ and Li+. Purified xylanase showed a molecular weight of 23 kDa on SDS-PAGE, and partial peptide sequencing revealed homology to the endo-1,4-beta-xylanase with a molecular weight of 23.3 kDa through LC/MS-MS (liquid chromatography-tandem mass spectrometry). This study suggests that the purified xylanase is easier to purify and enriches low molecular weight xylanases from bacteria source.
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Affiliation(s)
- Ge Zhang
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101, China
| | - Zhihao Li
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101, China
- Yichang Tobacco Company of Hubei Province, Yichang, 443000, China
| | - Guoqiang Chen
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101, China
| | - Liang Zhang
- China Tobacco Sichuan Industrial Co., Ltd, Chengdu, 610000, China
| | - Wen Cai
- China Tobacco Sichuan Industrial Co., Ltd, Chengdu, 610000, China
| | - Shuaijun Deng
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101, China
| | - Haibo Zhang
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101, China
| | - Lijun Wu
- Technology Center of China Tobacco Yunnan Industrial Co., Ltd, Kunming, 650032, China.
| | - Hongtao Li
- Technology Center of China Tobacco Shandong Industrial Co., Ltd, Qingdao, 266101, China.
| | - Haobao Liu
- Key Laboratory of Tobacco Biology and Processing, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, 266101, China.
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4
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Pejchinovski I, Turkkan S, Pejchinovski M. Recent Advances of Proteomics in Management of Acute Kidney Injury. Diagnostics (Basel) 2023; 13:2648. [PMID: 37627907 PMCID: PMC10453063 DOI: 10.3390/diagnostics13162648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 07/31/2023] [Accepted: 08/03/2023] [Indexed: 08/27/2023] Open
Abstract
Acute Kidney Injury (AKI) is currently recognized as a life-threatening disease, leading to an exponential increase in morbidity and mortality worldwide. At present, AKI is characterized by a significant increase in serum creatinine (SCr) levels, typically followed by a sudden drop in glomerulus filtration rate (GFR). Changes in urine output are usually associated with the renal inability to excrete urea and other nitrogenous waste products, causing extracellular volume and electrolyte imbalances. Several molecular mechanisms were proposed to be affiliated with AKI development and progression, ultimately involving renal epithelium tubular cell-cycle arrest, inflammation, mitochondrial dysfunction, the inability to recover and regenerate proximal tubules, and impaired endothelial function. Diagnosis and prognosis using state-of-the-art clinical markers are often late and provide poor outcomes at disease onset. Inappropriate clinical assessment is a strong disease contributor, actively driving progression towards end stage renal disease (ESRD). Proteins, as the main functional and structural unit of the cell, provide the opportunity to monitor the disease on a molecular level. Changes in the proteomic profiles are pivotal for the expression of molecular pathways and disease pathogenesis. Introduction of highly-sensitive and innovative technology enabled the discovery of novel biomarkers for improved risk stratification, better and more cost-effective medical care for the ill patients and advanced personalized medicine. In line with those strategies, this review provides and discusses the latest findings of proteomic-based biomarkers and their prospective clinical application for AKI management.
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Affiliation(s)
- Ilinka Pejchinovski
- Department of Quality Assurance, Nikkiso Europe GmbH, 30885 Langenhagen, Germany; (I.P.); (S.T.)
| | - Sibel Turkkan
- Department of Quality Assurance, Nikkiso Europe GmbH, 30885 Langenhagen, Germany; (I.P.); (S.T.)
| | - Martin Pejchinovski
- Department of Analytical Instruments Group, Thermo Fisher Scientific, 82110 Germering, Germany
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Frantzi M, Culig Z, Heidegger I, Mokou M, Latosinska A, Roesch MC, Merseburger AS, Makridakis M, Vlahou A, Blanca-Pedregosa A, Carrasco-Valiente J, Mischak H, Gomez-Gomez E. Mass Spectrometry-Based Biomarkers to Detect Prostate Cancer: A Multicentric Study Based on Non-Invasive Urine Collection without Prior Digital Rectal Examination. Cancers (Basel) 2023; 15:cancers15041166. [PMID: 36831508 PMCID: PMC9954607 DOI: 10.3390/cancers15041166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 02/02/2023] [Accepted: 02/07/2023] [Indexed: 02/17/2023] Open
Abstract
(1) Background: Prostate cancer (PCa) is the most frequently diagnosed cancer in men. Wide application of prostate specific antigen test has historically led to over-treatment, starting from excessive biopsies. Risk calculators based on molecular and clinical variables can be of value to determine the risk of PCa and as such, reduce unnecessary and invasive biopsies. Urinary molecular studies have been mostly focusing on sampling after initial intervention (digital rectal examination and/or prostate massage). (2) Methods: Building on previous proteomics studies, in this manuscript, we aimed at developing a biomarker model for PCa detection based on urine sampling without prior intervention. Capillary electrophoresis coupled to mass spectrometry was applied to acquire proteomics profiles from 970 patients from two different clinical centers. (3) Results: A case-control comparison was performed in a training set of 413 patients and 181 significant peptides were subsequently combined by a support vector machine algorithm. Independent validation was initially performed in 272 negative for PCa and 138 biopsy-confirmed PCa, resulting in an AUC of 0.81, outperforming current standards, while a second validation phase included 147 PCa patients. (4) Conclusions: This multi-dimensional biomarker model holds promise to improve the current diagnosis of PCa, by guiding invasive biopsies.
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Affiliation(s)
- Maria Frantzi
- Department of Biomarker Research, Mosaiques Diagnostics GmbH, 30659 Hannover, Germany
- Correspondence: ; Tel.: +49-511-5547-4429
| | - Zoran Culig
- Experimental Urology Department of Urology, Medical University of Innsbruck, 6020 Innsbruck, Austria
| | - Isabel Heidegger
- Experimental Urology Department of Urology, Medical University of Innsbruck, 6020 Innsbruck, Austria
| | - Marika Mokou
- Department of Biomarker Research, Mosaiques Diagnostics GmbH, 30659 Hannover, Germany
| | - Agnieszka Latosinska
- Department of Biomarker Research, Mosaiques Diagnostics GmbH, 30659 Hannover, Germany
| | - Marie C. Roesch
- Department of Urology, University Hospital Schleswig-Holstein, Campus Lübeck, 23538 Lübeck, Germany
| | - Axel S. Merseburger
- Department of Urology, University Hospital Schleswig-Holstein, Campus Lübeck, 23538 Lübeck, Germany
| | - Manousos Makridakis
- Systems Biology Center, Biomedical Research Foundation, Academy of Athens, 11527 Athens, Greece
| | - Antonia Vlahou
- Systems Biology Center, Biomedical Research Foundation, Academy of Athens, 11527 Athens, Greece
| | - Ana Blanca-Pedregosa
- Maimonides Biomedical Research Institute of Córdoba, Department of Urology, University of Cordoba, 14004 Cordoba, Spain
| | - Julia Carrasco-Valiente
- Maimonides Biomedical Research Institute of Córdoba, Department of Urology, University of Cordoba, 14004 Cordoba, Spain
| | - Harald Mischak
- Department of Biomarker Research, Mosaiques Diagnostics GmbH, 30659 Hannover, Germany
- Institute of Cardiovascular and Medical Science, University of Glasgow, Glasgow G12 8TA, UK
| | - Enrique Gomez-Gomez
- Maimonides Biomedical Research Institute of Córdoba, Department of Urology, University of Cordoba, 14004 Cordoba, Spain
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Noninvasive Diagnosis of Acute Rejection in Renal Transplant Patients Using Mass Spectrometric Analysis of Urine Samples: A Multicenter Diagnostic Phase III Trial. Transplant Direct 2022; 8:e1316. [PMID: 35434282 PMCID: PMC9005257 DOI: 10.1097/txd.0000000000001316] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 02/14/2022] [Indexed: 12/14/2022] Open
Abstract
Timely recognition and treatment of acute kidney graft rejection is important to prevent premature graft failure. A predefined urinary marker set for acute T cell–mediated rejection (TCMR) containing 14 peptides was tested for this purpose in a multicenter in-place validation study.
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7
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Bianco M, Ventura G, Calvano CD, Losito I, Cataldi TRI. A new paradigm to search for allergenic proteins in novel foods by integrating proteomics analysis and in silico sequence homology prediction: Focus on spirulina and chlorella microalgae. Talanta 2022; 240:123188. [PMID: 34990986 DOI: 10.1016/j.talanta.2021.123188] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 12/23/2021] [Accepted: 12/27/2021] [Indexed: 10/19/2022]
Abstract
Since novel nutrient sources with high protein content, such as yeast, fungi, bacteria, algae, and insects, are increasingly introduced in the consumer market, safety evaluation studies on their potentially allergenic proteins are required. A pipeline for in silico establishing the sequence-based homology between proteins of spirulina (Arthrospira platensis) and chlorella (Chlorella vulgaris) micro-algae and those included in the AllergenOnline (AO) database (AllergenOnline.org) is described. The extracted proteins were first identified through tryptic peptides analysis by reversed-phase liquid chromatography and high resolution/accuracy Fourier-transform tandem mass spectrometry (RPLC-ESI-FTMS/MS), followed by a quest on the UniProt database. The AO database was subsequently interrogated to assess sequence similarity between identified microalgal proteins and known allergens, based on criteria established by the World Health Organization (WHO) and Food and Agriculture Organization (FAO). A direct search for microalgal proteins already included in allergen databases was also performed using the Allergome database. Six proteins exhibiting a significant homology with food allergens were identified in spirulina extracts. Five of them, i.e., two thioredoxins (D4ZSU6, K1VP15), a superoxide dismutase (C3V3P3), a glyceraldehyde-3-phosphate dehydrogenase (K1W168), and a triosephosphate isomerase (D5A635), resulted from the search on AO. The sixth protein, C-phycocyanin beta subunit (P72508), was directly obtained after examining the Allergome database. Two proteins exhibiting significant sequence homology with food allergens were retrieved in chlorella extracts, viz. calmodulin (A0A2P6TFR8), which is related to troponin c (D7F1Q2), and fructose-bisphosphate aldolase (A0A2P6TDD0). Specific serum screenings based on immunochemical tests should be undertaken to confirm or rule out the allergenicity of the identified proteins.
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Affiliation(s)
- Mariachiara Bianco
- Department of Chemistry, University of Bari Aldo Moro, Via Orabona 4, 70126, Bari, Italy
| | - Giovanni Ventura
- Department of Chemistry, University of Bari Aldo Moro, Via Orabona 4, 70126, Bari, Italy.
| | - Cosima Damiana Calvano
- Department of Chemistry, University of Bari Aldo Moro, Via Orabona 4, 70126, Bari, Italy; Interdepartmental Research Center SMART, University of Bari Aldo Moro, Via Orabona 4, 70126, Bari, Italy
| | - Ilario Losito
- Department of Chemistry, University of Bari Aldo Moro, Via Orabona 4, 70126, Bari, Italy; Interdepartmental Research Center SMART, University of Bari Aldo Moro, Via Orabona 4, 70126, Bari, Italy
| | - Tommaso R I Cataldi
- Department of Chemistry, University of Bari Aldo Moro, Via Orabona 4, 70126, Bari, Italy; Interdepartmental Research Center SMART, University of Bari Aldo Moro, Via Orabona 4, 70126, Bari, Italy.
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8
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Pathophysiological Implications of Urinary Peptides in Hepatocellular Carcinoma. Cancers (Basel) 2021; 13:cancers13153786. [PMID: 34359689 PMCID: PMC8345155 DOI: 10.3390/cancers13153786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 07/21/2021] [Accepted: 07/26/2021] [Indexed: 11/23/2022] Open
Abstract
Simple Summary In this study, the application of capillary electrophoresis mass spectrometry enabled identification of 31 urinary peptides significantly associated with hepatocellular carcinoma diagnosis and prognosis. Further assessment of these peptides lead to prediction of cellular proteases involved in their development namely Meprin A subunit α and Kallikrein-6. Subsequent identification of the proteases was verified by immunohistochemistry in normal liver, cirrhosis and hepatocellular carcinoma. Histopathological assessment of the proteases revealed numerical gradient staining signifying their involvement in liver fibrosis and hepatocellular carcinoma formation. The discovered urinary peptides offered a potential noninvasive tool for diagnosis and prognosis of hepatocellular carcinoma. Abstract Hepatocellular carcinoma (HCC) is known to be associated with protein alterations and extracellular fibrous deposition. We investigated the urinary proteomic profiles of HCC patients in this prospective cross sectional multicentre study. 195 patients were recruited from the UK (Coventry) and Germany (Hannover) between 1 January 2013 and 30 June 2019. Out of these, 57 were HCC patients with a background of liver cirrhosis (LC) and 138 were non-HCC controls; 72 patients with LC, 57 with non-cirrhotic liver disease and 9 with normal liver function. Analysis of the urine samples was performed by capillary electrophoresis (CE) coupled to mass spectrometry (MS). Peptide sequences were obtained and 31 specific peptide markers for HCC were identified and further integrated into a multivariate classification model. The peptide model demonstrated 79.5% sensitivity and 85.1% specificity (95% CI: 0.81–0.93, p < 0.0001) for HCC and 4.1-fold increased risk of death (95% CI: 1.7–9.8, p = 0.0005). Proteases potentially involved in HCC progression were mapped to the N- and C-terminal sequence motifs of the CE-MS peptide markers. In silico protease prediction revealed that kallikrein-6 (KLK6) elicits increased activity, whilst Meprin A subunit α (MEP1A) has reduced activity in HCC compared to the controls. Tissue expression of KLK6 and MEP1A was subsequently verified by immunohistochemistry.
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He T, Pejchinovski M, Mullen W, Beige J, Mischak H, Jankowski V. Peptides in Plasma, Urine, and Dialysate: Toward Unravelling Renal Peptide Handling. Proteomics Clin Appl 2021; 15:e2000029. [PMID: 32618437 DOI: 10.1002/prca.202000029] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 06/11/2020] [Indexed: 12/28/2022]
Abstract
PURPOSE The peptidomes of spent hemodialysate, urine, and plasma are investigated, to shed light on peptide handling in the kidney. EXPERIMENTAL DESIGN Fifteen plasma, 15 urine, and 13 spent hemodialysate samples are collected from age- and sex-matched subjects with chronic kidney disease. Peptide identification and quantification are performed with capillary electrophoresis-coupled mass spectrometry. RESULTS A total of 6278 urinary peptides, 1743 plasma peptides, and 1727 peptides from spent hemodialysate are detected. Of these, sequences can be assigned to 1580, 419, and 352 peptides, respectively. A strong correlation in peptide abundance between urine and spent hemodialysate (p = 3 × 10-21 , Rho = 0.52), a moderately strong correlation between spent hemodialysate and plasma (p = 4.5 × 10-5 , Rho = 0.30), and no significant correlation between urine and plasma (p = 0.11, Rho = 0.094) are found. Collagen and fibrinogen alpha peptides are highly abundant in all three body fluids. In spent hemodialysate, thymosin ß4 is one of the most abundant peptides, which is shown to be negatively associated with the estimated glomerular filtration rate (Rho = -0.39, p-value = 3.9 × 10-81 ). CONCLUSION AND CLINICAL RELEVANCE The correlation of peptide abundance in these three body fluids is lower than expected, supporting the hypothesis that tubular reabsorption has a major impact on urinary peptide content. Further investigation of thymosin ß4 in hemodialysis is thus warranted.
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Affiliation(s)
- Tianlin He
- Mosaiques Diagnostics GmbH, Hannover, Germany
- Institute for Molecular Cardiovascular Research (IMCAR), University of Aachen, Aachen, Germany
| | | | - William Mullen
- Institute of Cardiovascular and Medical Science, University of Glasgow, Glasgow, UK
| | - Joachim Beige
- Department of Nephrology and Kuratorium for Dialysis and Transplantation (KfH) Renal Unit, Hospital St. Georg, Leipzig, Germany
| | - Harald Mischak
- Mosaiques Diagnostics GmbH, Hannover, Germany
- Institute of Cardiovascular and Medical Science, University of Glasgow, Glasgow, UK
| | - Vera Jankowski
- Institute for Molecular Cardiovascular Research (IMCAR), University of Aachen, Aachen, Germany
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Piovesana S, Capriotti AL, Cerrato A, Crescenzi C, La Barbera G, Laganà A, Montone CM, Cavaliere C. Graphitized Carbon Black Enrichment and UHPLC-MS/MS Allow to Meet the Challenge of Small Chain Peptidomics in Urine. Anal Chem 2019; 91:11474-11481. [DOI: 10.1021/acs.analchem.9b03034] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Susy Piovesana
- Department of Chemistry, Università di Roma “La Sapienza”, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Anna Laura Capriotti
- Department of Chemistry, Università di Roma “La Sapienza”, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Andrea Cerrato
- Department of Chemistry, Università di Roma “La Sapienza”, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Carlo Crescenzi
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, I-84084 Fisciano, SA, Italy
| | - Giorgia La Barbera
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Nørre Allé 51, DK-2200 Copenhagen, Denmark
| | - Aldo Laganà
- Department of Chemistry, Università di Roma “La Sapienza”, Piazzale Aldo Moro 5, 00185 Rome, Italy
- CNR NANOTEC, Campus Ecotekne, University of Salento, Via Monteroni, 73100 Lecce, Italy
| | - Carmela Maria Montone
- Department of Chemistry, Università di Roma “La Sapienza”, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Chiara Cavaliere
- Department of Chemistry, Università di Roma “La Sapienza”, Piazzale Aldo Moro 5, 00185 Rome, Italy
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Zhang G, Li S, Xu Y, Wang J, Wang F, Xin Y, Shen Z, Zhang H, Ma M, Liu H. Production of alkaline pectinase: a case study investigating the use of tobacco stalk with the newly isolated strain Bacillus tequilensis CAS-MEI-2-33. BMC Biotechnol 2019; 19:45. [PMID: 31299949 PMCID: PMC6624900 DOI: 10.1186/s12896-019-0526-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Accepted: 05/13/2019] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Tobacco stalk (TS), a major agricultural waste abundant in pectin, has resulted in concerns about the need for its reuse. The nicotine in TS is considered a chemical that is to\xic and hazardous to the environment. RESULTS In this study, Bacillus tequilensis CAS-MEI-2-33 was isolated from cigar wrappers to produce alkaline pectinase using TS. Subsequently, the medium and fermentation conditions for the production of pectinase by B. tequilensis CAS-MEI-2-33 were optimized. The optimal fermentation period, pH of the initial fermentation medium, concentration of TS, and inoculum amount for B. tequilensis CAS-MEI-2-33 were 40 h, 40 g/L, 7.0, and 3%, respectively. Under optimal conditions, the pectinase activity was 1370 U/mL. Then, the enzymatic properties, such as the optimum pH, reaction temperature, temperature stability, and effects of metal ions, were studied. The optimal pH was determined to be 10.0, indicating that the enzyme was an alkaline pectinase. The optimal temperature was 40 °C, and pectinase activity was stable at 40 °C. The Ag+ metal ions were shown to remarkably promote enzyme activity. The pectinase was partly purified by ammonium sulfate precipitation, ion exchange chromatography, and Sephacryl S-100 chromatography. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) and LC-MS/MS analyses were utilized to analyze the pectinase. CONCLUSIONS This study provided a new alkaline pectinase candidate and a new strategy for the use of TS.
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Affiliation(s)
- Ge Zhang
- Key Laboratory of Tobacco Biology and Processing, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, 266101 People’s Republic of China
- CAS Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101 People’s Republic of China
- Haikou Cigar Research Institute, Hainan Provincial Branch of CNTC, Haikou, 571100 People’s Republic of China
| | - Shugui Li
- Key Laboratory of Tobacco Biology and Processing, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, 266101 People’s Republic of China
| | - Yingbo Xu
- Research and Development Center, China Tobacco Anhui Industrial Co., Ltd., Hefei, 230088 People’s Republic of China
| | - Juan Wang
- Haikou Cigar Research Institute, Hainan Provincial Branch of CNTC, Haikou, 571100 People’s Republic of China
| | - Fan Wang
- CAS Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101 People’s Republic of China
| | - Yuhua Xin
- Haikou Cigar Research Institute, Hainan Provincial Branch of CNTC, Haikou, 571100 People’s Republic of China
| | - Zhong Shen
- Haikou Cigar Research Institute, Hainan Provincial Branch of CNTC, Haikou, 571100 People’s Republic of China
| | - Haibo Zhang
- CAS Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101 People’s Republic of China
| | - Ming Ma
- China Tobacco Standardization Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001 People’s Republic of China
| | - Haobao Liu
- Key Laboratory of Tobacco Biology and Processing, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, 266101 People’s Republic of China
- Haikou Cigar Research Institute, Hainan Provincial Branch of CNTC, Haikou, 571100 People’s Republic of China
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12
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Panić‐Janković T, Mitulović G. Human chorionic gonadotrophin pharmaceutical formulations of urinary origin display high levels of contaminant proteins-A label-free quantitation proteomics study. Electrophoresis 2019; 40:1622-1629. [PMID: 30883802 PMCID: PMC6593423 DOI: 10.1002/elps.201900087] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 03/14/2019] [Accepted: 03/15/2019] [Indexed: 12/17/2022]
Abstract
To determine whether there is a measurable protein background in different formulations of urinary and recombinant human chorionic gonadotropin (hCG). Primary outcome measures: identification of contaminant proteins in urinary-derived formulations of hCG; secondary outcome measures: quantitative values of contaminant proteins in different batches of urinary -derived hCG formulations. It was found that urinary-derived batches have high presence of contaminant proteins beside the active substance. The relative amount of contaminant proteins and hCG differs strongly between different batches.
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Affiliation(s)
- Tanja Panić‐Janković
- Clinical Department of Laboratory MedicineMedical University of ViennaViennaAustria
| | - Goran Mitulović
- Clinical Department of Laboratory MedicineMedical University of ViennaViennaAustria
- Proteomic Core FacilityMedical University of ViennaViennaAustria
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13
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Kanzelmeyer NK, Zürbig P, Mischak H, Metzger J, Fichtner A, Ruszai KH, Seemann T, Hansen M, Wygoda S, Krupka K, Tönshoff B, Melk A, Pape L. Urinary proteomics to diagnose chronic active antibody-mediated rejection in pediatric kidney transplantation - a pilot study. Transpl Int 2018; 32:28-37. [DOI: 10.1111/tri.13363] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Revised: 09/18/2018] [Accepted: 10/15/2018] [Indexed: 01/16/2023]
Affiliation(s)
- Nele Kirsten Kanzelmeyer
- Department of Pediatric Nephrology; Hannover Medical School; Hannover Germany
- Integrated Research and Treatment Center Transplantation (IFB-Tx); Hannover Germany
| | | | - Harald Mischak
- Mosaiques Diagnostics; Hannover Germany
- Institute of Cardiovascular and Medical Sciences; University of Glasgow; Glasgow UK
| | | | - Alexander Fichtner
- Department of Pediatric I; University Children's Hospital; Heidelberg Germany
| | | | - Tomas Seemann
- Department of Pediatrics; Faculty of Medicine in Pilsen; 2nd Medical Faculty and Biomedical Center; University Hospital Motol; Charles University; Prague Czech Republic
| | | | | | - Kai Krupka
- Department of Pediatric I; University Children's Hospital; Heidelberg Germany
| | - Burkhard Tönshoff
- Department of Pediatric I; University Children's Hospital; Heidelberg Germany
| | - Anette Melk
- Department of Pediatric Nephrology; Hannover Medical School; Hannover Germany
- Integrated Research and Treatment Center Transplantation (IFB-Tx); Hannover Germany
| | - Lars Pape
- Department of Pediatric Nephrology; Hannover Medical School; Hannover Germany
- Integrated Research and Treatment Center Transplantation (IFB-Tx); Hannover Germany
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14
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Belczacka I, Pejchinovski M, Krochmal M, Magalhães P, Frantzi M, Mullen W, Vlahou A, Mischak H, Jankowski V. Urinary Glycopeptide Analysis for the Investigation of Novel Biomarkers. Proteomics Clin Appl 2018; 13:e1800111. [PMID: 30334612 DOI: 10.1002/prca.201800111] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 08/16/2018] [Indexed: 12/20/2022]
Abstract
PURPOSE Urine is a rich source of potential biomarkers, including glycoproteins. Glycoproteomic analysis remains difficult due to the high heterogeneity of glycans. Nevertheless, recent advances in glycoproteomics software solutions facilitate glycopeptide identification and characterization. The aim is to investigate intact glycopeptides in the urinary peptide profiles of normal subjects using a novel PTM-centric software-Byonic. EXPERIMENTAL DESIGN The urinary peptide profiles of 238 normal subjects, previously analyzed using CE-MS and CE-MS/MS and/or LC-MS/MS, are subjected to glycopeptide analysis. Additionally, glycopeptide distribution is assessed in a set of 969 patients with five different cancer types: bladder, prostate and pancreatic cancer, cholangiocarcinoma, and renal cell carcinoma. RESULTS A total of 37 intact O-glycopeptides and 23 intact N-glycopeptides are identified in the urinary profiles of 238 normal subjects. Among the most commonly identified O-glycoproteins are Apolipoprotein C-III and insulin-like growth factor II, while titin among the N-glycoproteins. Further statistical analysis reveals that three O-glycopeptides and five N-glycopeptides differed significantly in their abundance among the different cancer types, comparing to normal subjects. CONCLUSIONS AND CLINICAL RELEVANCE Through the established glycoproteomics workflow, intact O- and N-glycopeptides in human urine are identified and characterized, providing novel insights for further exploration of the glycoproteome with respect to specific diseases.
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Affiliation(s)
- Iwona Belczacka
- Mosaiques Diagnostics GmbH, 30659 Hannover, Germany.,University Hospital RWTH Aachen, Institute for Molecular Cardiovascular Research (IMCAR), 52074 Aachen, Germany
| | | | | | | | | | - William Mullen
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, G128QQ Glasgow, UK
| | - Antonia Vlahou
- Biotechnology Division, Biomedical Research Foundation Academy of Athens (BRFAA), 11527 Athens, Greece
| | | | - Vera Jankowski
- University Hospital RWTH Aachen, Institute for Molecular Cardiovascular Research (IMCAR), 52074 Aachen, Germany
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15
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Magalhães P, Pontillo C, Pejchinovski M, Siwy J, Krochmal M, Makridakis M, Carrick E, Klein J, Mullen W, Jankowski J, Vlahou A, Mischak H, Schanstra JP, Zürbig P, Pape L. Comparison of Urine and Plasma Peptidome Indicates Selectivity in Renal Peptide Handling. Proteomics Clin Appl 2018; 12:e1700163. [DOI: 10.1002/prca.201700163] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Revised: 02/21/2018] [Indexed: 01/02/2023]
Affiliation(s)
- Pedro Magalhães
- Mosaiques Diagnostics GmbH; 30659 Hannover Germany
- Department of Pediatric Nephrology; Hannover Medical School; 30625 Hannover Germany
| | - Claudia Pontillo
- Department of Toxicology and Pharmacology; Hannover Medical School; 30625 Hannover Germany
| | | | - Justyna Siwy
- Mosaiques Diagnostics GmbH; 30659 Hannover Germany
| | | | - Manousos Makridakis
- Biotechnology Division, Biomedical Research Foundation; Academy of Athens; 11527 Athens Greece
| | - Emma Carrick
- Institute of Cardiovascular and Medical Sciences, University of Glasgow; G12 8QQ Glasgow UK
| | - Julie Klein
- Institute of Cardiovascular and Metabolic Disease; Institut National de la Santé et de la Recherche Médicale,; 31432 Toulouse France
- Université Toulouse III Paul-Sabatier; 31330 Toulouse France
| | - William Mullen
- Institute of Cardiovascular and Medical Sciences, University of Glasgow; G12 8QQ Glasgow UK
| | - Joachim Jankowski
- RWTH Aachen University Hospital; 52074 Aachen Germany
- Department of Pathology, Cardiovascular Research Institute Maastricht; University of Maastricht; 6211 Maastricht The Netherlands
| | - Antonia Vlahou
- Biotechnology Division, Biomedical Research Foundation; Academy of Athens; 11527 Athens Greece
| | - Harald Mischak
- Mosaiques Diagnostics GmbH; 30659 Hannover Germany
- Institute of Cardiovascular and Medical Sciences, University of Glasgow; G12 8QQ Glasgow UK
| | - Joost P. Schanstra
- Institute of Cardiovascular and Metabolic Disease; Institut National de la Santé et de la Recherche Médicale,; 31432 Toulouse France
- Université Toulouse III Paul-Sabatier; 31330 Toulouse France
| | - Petra Zürbig
- Mosaiques Diagnostics GmbH; 30659 Hannover Germany
| | - Lars Pape
- Department of Pediatric Nephrology; Hannover Medical School; 30625 Hannover Germany
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16
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Liu Y, Pejchinovski M, Wang X, Fu X, Castelletti D, Watnick TJ, Arcaro A, Siwy J, Mullen W, Mischak H, Serra AL. Dual mTOR/PI3K inhibition limits PI3K-dependent pathways activated upon mTOR inhibition in autosomal dominant polycystic kidney disease. Sci Rep 2018; 8:5584. [PMID: 29615724 PMCID: PMC5882886 DOI: 10.1038/s41598-018-22938-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Accepted: 02/27/2018] [Indexed: 12/17/2022] Open
Abstract
Autosomal dominant polycystic kidney disease (ADPKD) is characterized by the development of kidney cysts leading to kidney failure in adulthood. Inhibition of mammalian target of rapamycin (mTOR) slows polycystic kidney disease (PKD) progression in animal models, but randomized controlled trials failed to prove efficacy of mTOR inhibitor treatment. Here, we demonstrate that treatment with mTOR inhibitors result in the removal of negative feedback loops and up-regulates pro-proliferative phosphatidylinositol 3-kinase (PI3K)-Akt and PI3K-extracellular signal-regulated kinase (ERK) signaling in rat and mouse PKD models. Dual mTOR/PI3K inhibition with NVP-BEZ235 abrogated these pro-proliferative signals and normalized kidney morphology and function by blocking proliferation and fibrosis. Our findings suggest that multi-target PI3K/mTOR inhibition may represent a potential treatment for ADPKD.
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Affiliation(s)
- Yang Liu
- Institute of Physiology, University of Zürich, Zürich, Switzerland.,Department of Biomedicine, Cancer Immunology Laboratory, University Hospital Basel, Basel, Switzerland
| | | | - Xueqi Wang
- Department of Nephrology, Second Military Medical University, Shanghai, China
| | - Xuebin Fu
- Department of Chemistry and Applied Biosciences, Molecular Pharmacology Unit, Swiss Federal Institute of Technology Zürich, Zürich, Switzerland
| | | | - Terry J Watnick
- Division of Nephrology, University of Maryland School of Medicine, Baltimore, Maryland, United States of America
| | - Alexandre Arcaro
- Department of Clinical Research, University of Bern, Bern, Switzerland
| | | | - William Mullen
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Harald Mischak
- Mosaiques Diagnostics GmbH, Hanover, Germany.,Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Andreas L Serra
- Epidemiology, Biostatistics and Prevention Institute, University of Zürich, and Suisse ADPKD, Klinik Hirslanden Zürich, Switzerland.
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17
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Magalhães P, Pejchinovski M, Markoska K, Banasik M, Klinger M, Švec-Billá D, Rychlík I, Rroji M, Restivo A, Capasso G, Bob F, Schiller A, Ortiz A, Perez-Gomez MV, Cannata P, Sanchez-Niño MD, Naumovic R, Brkovic V, Polenakovic M, Mullen W, Vlahou A, Zürbig P, Pape L, Ferrario F, Denis C, Spasovski G, Mischak H, Schanstra JP. Association of kidney fibrosis with urinary peptides: a path towards non-invasive liquid biopsies? Sci Rep 2017; 7:16915. [PMID: 29208969 PMCID: PMC5717105 DOI: 10.1038/s41598-017-17083-w] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Accepted: 11/20/2017] [Indexed: 12/16/2022] Open
Abstract
Chronic kidney disease (CKD) is a prevalent cause of morbidity and mortality worldwide. A hallmark of CKD progression is renal fibrosis characterized by excessive accumulation of extracellular matrix (ECM) proteins. In this study, we aimed to investigate the correlation of the urinary proteome classifier CKD273 and individual urinary peptides with the degree of fibrosis. In total, 42 kidney biopsies and urine samples were examined. The percentage of fibrosis per total tissue area was assessed in Masson trichrome stained kidney tissues. The urinary proteome was analysed by capillary electrophoresis coupled to mass spectrometry. CKD273 displayed a significant and positive correlation with the degree of fibrosis (Rho = 0.430, P = 0.0044), while the routinely used parameters (glomerular filtration rate, urine albumin-to-creatinine ratio and urine protein-to-creatinine ratio) did not (Rho = -0.222; -0.137; -0.070 and P = 0.16; 0.39; 0.66, respectively). We identified seven fibrosis-associated peptides displaying a significant and negative correlation with the degree of fibrosis. All peptides were collagen fragments, suggesting that these may be causally related to the observed accumulation of ECM in the kidneys. CKD273 and specific peptides are significantly associated with kidney fibrosis; such an association could not be detected by other biomarkers for CKD. These non-invasive fibrosis-related biomarkers can potentially be implemented in future trials.
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Affiliation(s)
- Pedro Magalhães
- Mosaiques Diagnostics GmbH, Hannover, Germany
- Department of Pediatric Nephrology, Hannover Medical School, Hannover, Germany
| | | | - Katerina Markoska
- Department of Nephrology, Medical Faculty, University of Skopje, Skopje, Macedonia
| | - Miroslaw Banasik
- Department of Nephrology and Transplantation Medicine, Wroclaw Medical University, Wroclaw, Poland
| | - Marian Klinger
- Department of Nephrology and Transplantation Medicine, Wroclaw Medical University, Wroclaw, Poland
| | - Dominika Švec-Billá
- 1st Department of Medicine, Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Ivan Rychlík
- 1st Department of Medicine, Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Merita Rroji
- Department of Nephrology, University Hospital Center "Mother Teresa", Tirana, Albania
| | - Arianna Restivo
- Department of Nephrology, University of Campania "Luigi Vanvitelli", Naples, Italy
| | | | - Flaviu Bob
- Department of Nephrology, 'Victor Babes' University of Medicine and Pharmacy, County Emergency Hospital, Timisoara, Romania
| | - Adalbert Schiller
- Department of Nephrology, 'Victor Babes' University of Medicine and Pharmacy, County Emergency Hospital, Timisoara, Romania
| | | | | | | | | | - Radomir Naumovic
- Clinic of Nephrology, Clinical Center of Serbia, Belgrade, Serbia
- School of Medicine, University of Belgrade, Belgrade, Serbia
| | - Voin Brkovic
- Clinic of Nephrology, Clinical Center of Serbia, Belgrade, Serbia
- School of Medicine, University of Belgrade, Belgrade, Serbia
| | | | - William Mullen
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Antonia Vlahou
- Biotechnology Division, Biomedical Research Foundation, Academy of Athens, Athens, Greece
| | | | - Lars Pape
- Department of Pediatric Nephrology, Hannover Medical School, Hannover, Germany
| | | | - Colette Denis
- Institut National de la Santé et de la Recherche Médicale (INSERM), Institute of Cardiovascular and Metabolic Disease, Toulouse, France
- Université Toulouse III Paul-Sabatier, Toulouse, France
| | - Goce Spasovski
- Department of Nephrology, Medical Faculty, University of Skopje, Skopje, Macedonia
| | - Harald Mischak
- Mosaiques Diagnostics GmbH, Hannover, Germany
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Joost P Schanstra
- Institut National de la Santé et de la Recherche Médicale (INSERM), Institute of Cardiovascular and Metabolic Disease, Toulouse, France.
- Université Toulouse III Paul-Sabatier, Toulouse, France.
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18
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Nedic Erjavec G, Konjevod M, Nikolac Perkovic M, Svob Strac D, Tudor L, Barbas C, Grune T, Zarkovic N, Pivac N. Short overview on metabolomic approach and redox changes in psychiatric disorders. Redox Biol 2017; 14:178-186. [PMID: 28942195 PMCID: PMC5609866 DOI: 10.1016/j.redox.2017.09.002] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 08/30/2017] [Accepted: 09/05/2017] [Indexed: 12/12/2022] Open
Abstract
Schizophrenia, depression and posttraumatic stress disorder (PTSD) are severe mental disorders and complicated diagnostic entities, due to their phenotypic, biological and genetic heterogeneity, unknown etiology, and poorly understood alterations in biological pathways and biological mechanisms. Disturbed homeostasis between overproduction of oxidant species, overcoming redox regulation and a lack of cellular antioxidant defenses, resulting in free radical-mediated pathology and subsequent neurotoxicity contributes to development of depression, schizophrenia and PTSD, their heterogeneous clinical presentation and resistance to treatment. Metabolomics is a discipline that combines different strategies with the aim to extract, detect, identify and quantify all metabolites that are present in a biological sample and might provide mechanistic insights into the etiology of various psychiatric disorders. Therefore, oxidative stress research combined with metabolomics might offer a novel approach in dissecting psychiatric disorders, since these data-driven but not necessarily hypothesis-driven methods might identify new targets, molecules and pathways responsible for development of schizophrenia, depression or PTSD. Findings from the oxidative research in psychiatry together with metabolomics data might facilitate development of specific and validated prognostic, therapeutic and clinical biomarkers. These methods might reveal bio-signatures of individual patients, leading to individualized treatment approach. In reviewing findings related to oxidative stress and metabolomics in selected psychiatric disorders, we have highlighted how these novel approaches might make a unique contribution to deeper understanding of psychopathological alterations underlying schizophrenia, depression and PTSD.
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Affiliation(s)
- Gordana Nedic Erjavec
- Rudjer Boskovic Institute, Division of Molecular Medicine, Laborattory for Molecular Neuropsychiatry, Zagreb, Croatia; The Centre of Metabolomics and Bioanalysis (CEMBIO) at thte Pharmacy Faculty, University San Pablo CEU, Madrid, Spain
| | - Marcela Konjevod
- Rudjer Boskovic Institute, Division of Molecular Medicine, Laborattory for Molecular Neuropsychiatry, Zagreb, Croatia
| | - Matea Nikolac Perkovic
- Rudjer Boskovic Institute, Division of Molecular Medicine, Laborattory for Molecular Neuropsychiatry, Zagreb, Croatia
| | - Dubravka Svob Strac
- Rudjer Boskovic Institute, Division of Molecular Medicine, Laborattory for Molecular Neuropsychiatry, Zagreb, Croatia
| | - Lucija Tudor
- Rudjer Boskovic Institute, Division of Molecular Medicine, Laborattory for Molecular Neuropsychiatry, Zagreb, Croatia
| | - Coral Barbas
- The Centre of Metabolomics and Bioanalysis (CEMBIO) at thte Pharmacy Faculty, University San Pablo CEU, Madrid, Spain
| | - Tilman Grune
- German Institute of Human Nutrition, Potsdam-Rehbruecke, Nuthetal, Germany
| | - Neven Zarkovic
- Rudjer Boskovic Institute, Division of Molecular Medicine, Laboratory for Oxidative Stress, Zagreb, Croatia
| | - Nela Pivac
- Rudjer Boskovic Institute, Division of Molecular Medicine, Laborattory for Molecular Neuropsychiatry, Zagreb, Croatia.
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Pejchinovski M, Siwy J, Mullen W, Mischak H, Petri MA, Burkly LC, Wei R. Urine peptidomic biomarkers for diagnosis of patients with systematic lupus erythematosus. Lupus 2017; 27:6-16. [PMID: 28474961 DOI: 10.1177/0961203317707827] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background Systematic lupus erythematosus (SLE) is characterized with various complications which can cause serious organ damage in the human body. Despite the significant improvements in disease management of SLE patients, the non-invasive diagnosis is entirely missing. In this study, we used urinary peptidomic biomarkers for early diagnosis of disease onset to improve patient risk stratification, vital for effective drug treatment. Methods Urine samples from patients with SLE, lupus nephritis (LN) and healthy controls (HCs) were analyzed using capillary electrophoresis coupled to mass spectrometry (CE-MS) for state-of-the-art biomarker discovery. Results A biomarker panel made up of 65 urinary peptides was developed that accurately discriminated SLE without renal involvement from HC patients. The performance of the SLE-specific panel was validated in a multicentric independent cohort consisting of patients without SLE but with different renal disease and LN. This resulted in an area under the receiver operating characteristic (ROC) curve (AUC) of 0.80 ( p < 0.0001, 95% confidence interval (CI) 0.65-0.90) corresponding to a sensitivity and a specificity of 83% and 73%, respectively. Based on the end terminal amino acid sequences of the biomarker peptides, an in silico methodology was used to identify the proteases that were up or down-regulated. This identified matrix metalloproteinases (MMPs) as being mainly responsible for the peptides fragmentation. Conclusions A laboratory-based urine test was successfully established for early diagnosis of SLE patients. Our approach determined the activity of several proteases and provided novel molecular information that could potentially influence treatment efficacy.
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Affiliation(s)
| | - J Siwy
- 1 Mosaiques Diagnostics GmbH, Hannover, Germany
| | - W Mullen
- 2 BHF Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
| | - H Mischak
- 1 Mosaiques Diagnostics GmbH, Hannover, Germany.,2 BHF Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
| | - M A Petri
- 3 Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - L C Burkly
- 4 Biogen Inc, Cambridge, Cambridge, MA, USA
| | - R Wei
- 4 Biogen Inc, Cambridge, Cambridge, MA, USA
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Urine Proteomics in the Era of Mass Spectrometry. Int Neurourol J 2016; 20:S70-75. [PMID: 27915473 PMCID: PMC5169090 DOI: 10.5213/inj.1612720.360] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Accepted: 10/06/2016] [Indexed: 12/17/2022] Open
Abstract
With the technological advances of mass spectrometry (MS)-based platforms, clinical proteomics is one of the most rapidly growing areas in biomedical research. Urine proteomics has become a popular subdiscipline of clinical proteomics because it is an ideal source for the discovery of noninvasive disease biomarkers. The urine proteome offers a comprehensive view of the local and systemic physiology since the proteome is primarily composed of proteins/peptides from the kidneys and plasma. The emergence of MS-based proteomic platforms as prominent bioanalytical tools in clinical applications has enhanced the identification of protein-based urinary biomarkers. This review highlights the characteristics of urine that make it an attractive biofluid for biomarker discovery and the impact of MS-based technologies on the clinical assessment of urinary protein biomarkers.
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Latosinska A, Vougas K, Makridakis M, Klein J, Mullen W, Abbas M, Stravodimos K, Katafigiotis I, Merseburger AS, Zoidakis J, Mischak H, Vlahou A, Jankowski V. Comparative Analysis of Label-Free and 8-Plex iTRAQ Approach for Quantitative Tissue Proteomic Analysis. PLoS One 2015; 10:e0137048. [PMID: 26331617 PMCID: PMC4557910 DOI: 10.1371/journal.pone.0137048] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2015] [Accepted: 08/12/2015] [Indexed: 11/18/2022] Open
Abstract
High resolution proteomics approaches have been successfully utilized for the comprehensive characterization of the cell proteome. However, in the case of quantitative proteomics an open question still remains, which quantification strategy is best suited for identification of biologically relevant changes, especially in clinical specimens. In this study, a thorough comparison of a label-free approach (intensity-based) and 8-plex iTRAQ was conducted as applied to the analysis of tumor tissue samples from non-muscle invasive and muscle-invasive bladder cancer. For the latter, two acquisition strategies were tested including analysis of unfractionated and fractioned iTRAQ-labeled peptides. To reduce variability, aliquots of the same protein extract were used as starting material, whereas to obtain representative results per method further sample processing and MS analysis were conducted according to routinely applied protocols. Considering only multiple-peptide identifications, LC-MS/MS analysis resulted in the identification of 910, 1092 and 332 proteins by label-free, fractionated and unfractionated iTRAQ, respectively. The label-free strategy provided higher protein sequence coverage compared to both iTRAQ experiments. Even though pre-fraction of the iTRAQ labeled peptides allowed for a higher number of identifications, this was not accompanied by a respective increase in the number of differentially expressed changes detected. Validity of the proteomics output related to protein identification and differential expression was determined by comparison to existing data in the field (Protein Atlas and published data on the disease). All methods predicted changes which to a large extent agreed with published data, with label-free providing a higher number of significant changes than iTRAQ. Conclusively, both label-free and iTRAQ (when combined to peptide fractionation) provide high proteome coverage and apparently valid predictions in terms of differential expression, nevertheless label-free provides higher sequence coverage and ultimately detects a higher number of differentially expressed proteins. The risk for receiving false associations still exists, particularly when analyzing highly heterogeneous biological samples, raising the need for the analysis of higher sample numbers and/or application of adjustment for multiple testing.
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Affiliation(s)
- Agnieszka Latosinska
- Biotechnology Division, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
- Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Konstantinos Vougas
- Biotechnology Division, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Manousos Makridakis
- Biotechnology Division, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Julie Klein
- Institut National de la Santé et de la Recherche Médicale (INSERM), U1048, Institute of Cardiovascular and Metabolic Diseases, Toulouse, France
- Université Toulouse III Paul-Sabatier, Toulouse, France
| | - William Mullen
- BHF Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, United Kingdom
| | - Mahmoud Abbas
- Department of Pathology, Hannover Medical School, Hannover, Germany
| | | | - Ioannis Katafigiotis
- Department of Urology, Medical School of Athens, Laikon Hospital, Athens, Greece
| | | | - Jerome Zoidakis
- Biotechnology Division, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Harald Mischak
- BHF Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, United Kingdom
- Mosaiques Diagnostics GmbH, Hannover, Germany
| | - Antonia Vlahou
- Biotechnology Division, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Vera Jankowski
- RWTH-Aachen, Institute for Molecular Cardiovascular Research (IMCAR), Aachen, Germany
- * E-mail:
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