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Jaimes Campos MA, Mavrogeorgis E, Latosinska A, Eder S, Buchwinkler L, Mischak H, Siwy J, Rossing P, Mayer G, Jankowski J. Urinary peptide analysis to predict the response to blood pressure medication. Nephrol Dial Transplant 2024; 39:873-883. [PMID: 37930730 PMCID: PMC11181870 DOI: 10.1093/ndt/gfad223] [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: 06/17/2023] [Indexed: 11/07/2023] Open
Abstract
BACKGROUND The risk of diabetic kidney disease (DKD) progression is significant despite treatment with renin-angiotensin system (RAS) blocking agents. Current clinical tools cannot predict whether or not patients will respond to treatment with RAS inhibitors (RASi). We aimed to investigate whether proteome analysis could identify urinary peptides as biomarkers that could predict the response to angiotensin-converting enzyme inhibitor and angiotensin-receptor blockers treatment to avoid DKD progression. Furthermore, we investigated the comparability of the estimated glomerular filtration rate (eGFR), calculated using four different GFR equations, for DKD progression. METHODS We evaluated urine samples from a discovery cohort of 199 diabetic patients treated with RASi. DKD progression was defined based on eGFR percentage slope results between visits (∼1 year) and for the entire period (∼3 years) based on the eGFR values of each GFR equation. Urine samples were analysed using capillary electrophoresis-coupled mass spectrometry. Statistical analysis was performed between the uncontrolled (patients who did not respond to RASi treatment) and controlled kidney function groups (patients who responded to the RASi treatment). Peptides were combined in a support vector machine-based model. The area under the receiver operating characteristic curve was used to evaluate the risk prediction models in two independent validation cohorts treated with RASi. RESULTS The classification of patients into uncontrolled and controlled kidney function varies depending on the GFR equation used, despite the same sample set. We identified 227 peptides showing nominal significant difference and consistent fold changes between uncontrolled and controlled patients in at least three methods of eGFR calculation. These included fragments of collagens, alpha-1-antitrypsin, antithrombin-III, CD99 antigen and uromodulin. A model based on 189 of 227 peptides (DKDp189) showed a significant prediction of non-response to the treatment/DKD progression in two independent cohorts. CONCLUSIONS The DKDp189 model demonstrates potential as a predictive tool for guiding treatment with RASi in diabetic patients.
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Affiliation(s)
- Mayra Alejandra Jaimes Campos
- Mosaiques Diagnostics GmbH, Hannover, Germany
- University Hospital RWTH Aachen, Institute for Molecular Cardiovascular Research, Aachen, Germany
| | - Emmanouil Mavrogeorgis
- Mosaiques Diagnostics GmbH, Hannover, Germany
- University Hospital RWTH Aachen, Institute for Molecular Cardiovascular Research, Aachen, Germany
| | | | - Susanne Eder
- Department of Internal Medicine IV (Nephrology and Hypertension), Medical University Innsbruck, Innsbruck, Austria
| | - Lukas Buchwinkler
- Department of Internal Medicine IV (Nephrology and Hypertension), Medical University Innsbruck, Innsbruck, Austria
| | | | | | - Peter Rossing
- Steno Diabetes Center Copenhagen, Complications Research, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Gert Mayer
- Department of Internal Medicine IV (Nephrology and Hypertension), Medical University Innsbruck, Innsbruck, Austria
| | - Joachim Jankowski
- Department of Internal Medicine IV (Nephrology and Hypertension), Medical University Innsbruck, Innsbruck, Austria
- Department of Pathology, Cardiovascular Research Institute Maastricht (CARIM), University of Maastricht, Maastricht, The Netherlands
- Aachen-Maastricht Institute for Cardiorenal Disease (AMICARE), University Hospital RWTH Aachen, Aachen, Germany
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Sekerci CA, Yucel S, Tarcan T. Urinary biomarkers in children with neurogenic and non-neurogenic lower urinary tract dysfunction: A systematic review and meta-analysis. Neurourol Urodyn 2024; 43:1003-1018. [PMID: 38238982 DOI: 10.1002/nau.25382] [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: 11/14/2023] [Revised: 12/13/2023] [Accepted: 12/17/2023] [Indexed: 04/19/2024]
Abstract
AIM The aim of this systematic review is to assess urinary biomarkers studied in children with neurogenic and non-neurogenic lower urinary tract dysfunction (LUTD). MATERIALS AND METHODS The systematic review was conducted in accordance with the PRISMA guidelines. The screening was performed on PUBMED without any publication date limitation. Only original articles were included. Parameters related to the following topics were obtained: study design, characteristics of participants, number of participants, age, control group, types of biomarkers, measurement technique in urine, subgroup analysis, urodynamic findings, and outcome. Dutch Cochrane Checklist (DCC) and level of evidence by EBRO platform were used for quality assessment. Meta-analysis was performed with the Comprehensive Meta-Analysis Version 4 program. RESULTS A total of 494 studies were screened and 16 studies were included. 11 (68.75%) were conducted in children with non-neurogenic LUTD and 5 (31.25%) neurogenic LUTD. Nerve growth factor (NGF) was evaluated in 12 studies, brain-derived neurotrophic factor (BDNF) in 5, Tissue Inhibitor of Metalloproteinase-2 (TIMP-2) in 2, transforming growth factor beta-1 (TGF Beta-1) in 2, neutrophil gelatinase-associated lipocalin (NGAL) in 1, and Aquaporin-2 in 1. According to DCC, 10 (62.5%) articles were evaluated on 4 (37.5%) items and 4 articles on 5 items. The average score was 3.91+/-0.56. The level of evidence was found as B for 13 (81.25%) articles and C for 3 (18.75%). In meta-analysis, urinary NGF levels in children with non-neurogenic LUTS were significantly higher than in the healthy control group (Hedges's g = 1.867, standard error = 0.344, variance = 0.119, p = 0.0001). CONCLUSION Urinary biomarkers are promising for the future with their noninvasive features. However, prospective studies with larger sample sizes are needed to better understand the potential of urinary biomarkers to reflect urodynamic and clinical findings in children with LUTD.
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Affiliation(s)
- Cagri Akin Sekerci
- Department of Urology, Division of Pediatric Urology, School of Medicine, Marmara University, Istanbul, Turkey
| | - Selcuk Yucel
- Department of Urology, Division of Pediatric Urology, School of Medicine, Marmara University, Istanbul, Turkey
| | - Tufan Tarcan
- Department of Urology, Division of Pediatric Urology, School of Medicine, Marmara University, Istanbul, Turkey
- Department of Urology, School of Medicine, Koç University, Istanbul, Turkey
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3
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Baldan-Martin M, Chaparro M, Gisbert JP. Systematic Review: Urine Biomarker Discovery for Inflammatory Bowel Disease Diagnosis. Int J Mol Sci 2023; 24:10159. [PMID: 37373307 DOI: 10.3390/ijms241210159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 06/12/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
Inflammatory bowel diseases (IBDs) are chronic, heterogeneous, and inflammatory conditions mainly affecting the gastrointestinal tract. Currently, endoscopy is the gold standard test for assessing mucosal activity and healing in clinical practice; however, it is a costly, time-consuming, invasive, and uncomfortable procedure for the patients. Therefore, there is an urgent need for sensitive, specific, fast and non-invasive biomarkers for the diagnosis of IBD in medical research. Urine is an excellent biofluid for discovering biomarkers because it is non-invasive to sample. In this review, we aimed to summarize proteomics and metabolomics studies performed in both animal models of IBD and humans that identify urinary biomarkers for IBD diagnosis. Future large-scale multi-omics studies should be conducted in collaboration with clinicians, researchers, and industry to make progress toward the development of sensitive and specific diagnostic biomarkers, thereby making personalized medicine possible.
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Affiliation(s)
- Montse Baldan-Martin
- Gastroenterology Unit, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-Princesa), Universidad Autónoma de Madrid, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28006 Madrid, Spain
| | - María Chaparro
- Gastroenterology Unit, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-Princesa), Universidad Autónoma de Madrid, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28006 Madrid, Spain
| | - Javier P Gisbert
- Gastroenterology Unit, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-Princesa), Universidad Autónoma de Madrid, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28006 Madrid, Spain
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4
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Jordaens S, Zwaenepoel K, Tjalma W, Deben C, Beyers K, Vankerckhoven V, Pauwels P, Vorsters A. Urine biomarkers in cancer detection: A systematic review of preanalytical parameters and applied methods. Int J Cancer 2023; 152:2186-2205. [PMID: 36647333 DOI: 10.1002/ijc.34434] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/25/2022] [Accepted: 12/29/2022] [Indexed: 01/18/2023]
Abstract
The aim of this review was to explore the status of urine sampling as a liquid biopsy for noninvasive cancer research by reviewing used preanalytical parameters and protocols. We searched two main health sciences databases, PubMed and Web of Science. From all eligible publications (2010-2022), information was extracted regarding: (a) study population characteristics, (b) cancer type, (c) urine preanalytics, (d) analyte class, (e) isolation method, (f) detection method, (g) comparator used, (h) biomarker type, (i) conclusion and (j) sensitivity and specificity. The search query identified 7835 records, of which 924 unique publications remained after screening the title, abstract and full text. Our analysis demonstrated that many publications did not report information about the preanalytical parameters of their urine samples, even though several other studies have shown the importance of standardization of sample handling. Interestingly, it was noted that urine is used for many cancer types and not just cancers originating from the urogenital tract. Many different types of relevant analytes have been shown to be found in urine. Additionally, future considerations and recommendations are discussed: (a) the heterogeneous nature of urine, (b) the need for standardized practice protocols and (c) the road toward the clinic. Urine is an emerging liquid biopsy with broad applicability in different analytes and several cancer types. However, standard practice protocols for sample handling and processing would help to elaborate the clinical utility of urine in cancer research, detection and disease monitoring.
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Affiliation(s)
- Stephanie Jordaens
- Center for Oncological Research (CORE), Integrated Personalized & Precision Oncology Network (IPPON), University of Antwerp, Wilrijk, Belgium.,Novosanis NV, Wijnegem, Belgium
| | - Karen Zwaenepoel
- Center for Oncological Research (CORE), Integrated Personalized & Precision Oncology Network (IPPON), University of Antwerp, Wilrijk, Belgium.,Laboratory of Pathological Anatomy, Antwerp University Hospital (UZA), Edegem, Belgium
| | - Wiebren Tjalma
- Center for Oncological Research (CORE), Integrated Personalized & Precision Oncology Network (IPPON), University of Antwerp, Wilrijk, Belgium.,Multidisciplinary Breast Clinic, Gynecological Oncology Unit, Department of Obstetrics and Gynecology, Antwerp University Hospital (UZA), Edegem, Belgium
| | - Christophe Deben
- Center for Oncological Research (CORE), Integrated Personalized & Precision Oncology Network (IPPON), University of Antwerp, Wilrijk, Belgium
| | | | - Vanessa Vankerckhoven
- Novosanis NV, Wijnegem, Belgium.,Center for Evaluation of Vaccination (CEV), Vaccine & Infectious Disease Institute (VAXINFECTIO), Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium
| | - Patrick Pauwels
- Center for Oncological Research (CORE), Integrated Personalized & Precision Oncology Network (IPPON), University of Antwerp, Wilrijk, Belgium.,Laboratory of Pathological Anatomy, Antwerp University Hospital (UZA), Edegem, Belgium
| | - Alex Vorsters
- Center for Evaluation of Vaccination (CEV), Vaccine & Infectious Disease Institute (VAXINFECTIO), Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium
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Liao C, Wu Z, Lin C, Chen X, Zou Y, Zhao W, Li X, Huang G, Xu B, Briganti GE, Qi Y, Wang X, Zeng T, Wuethrich A, Zou H. Nurturing the marriages of urinary liquid biopsies and nano-diagnostics for precision urinalysis of prostate cancer. SMART MEDICINE 2023; 2:e20220020. [PMID: 39188554 PMCID: PMC11236013 DOI: 10.1002/smmd.20220020] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 11/04/2022] [Indexed: 08/28/2024]
Abstract
Prostate cancer remains the second-most common cancer diagnosed in men, despite the increasingly widespread use of serum prostate-specific antigen (PSA) screening. The controversial clinical implications and cost benefits of PSA screening have been highlighted due to its poor specificity, resulting in a high rate of overdiagnosis and underdiagnosis. Thus, the development of novel biomarkers for prostate cancer detection remains an intriguing challenge. Urine is emerging as a source for prostate cancer biomarker discovery. Currently, new urine biomarkers already outperform serum PSA in clinical diagnosis. Meanwhile, the advances in nanotechnology have provided a suite of diagnostic tools to study prostate cancer in more detail, sparking a new era of biomarker discoveries. In this review, we envision that future prostate cancer diagnosis will probably integrate multiplex nano-diagnostic approaches to detect novel urinary biomarkers. However, challenges remain in differentiating indolent from aggressive cancers to better inform treatment decisions, and clinical translation still needs to be overcome.
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Affiliation(s)
- Caizhi Liao
- Creative Biosciences (Guangzhou) Co., LtdGuangzhouChina
| | - Zhihao Wu
- Creative Biosciences (Guangzhou) Co., LtdGuangzhouChina
| | - Chan Lin
- Creative Biosciences (Guangzhou) Co., LtdGuangzhouChina
| | - Xiaofeng Chen
- School of Environmental and Geographical SciencesShanghai Normal UniversityShanghaiChina
- School of ChemistryNorthwestern UniversityChicagoIllinoisUSA
| | - Yaqun Zou
- Creative Biosciences (Guangzhou) Co., LtdGuangzhouChina
| | - Wan Zhao
- Creative Biosciences (Guangzhou) Co., LtdGuangzhouChina
| | - Xin Li
- Department of UrologySir Run Run Shaw HospitalZhejiang UniversityHangzhouChina
| | | | - Baisheng Xu
- Department of UrologyThe First People's Hospital of XiushuiJiujiangChina
| | | | - Yan Qi
- Creative Biosciences (Guangzhou) Co., LtdGuangzhouChina
| | - Xianshu Wang
- Creative Biosciences (Guangzhou) Co., LtdGuangzhouChina
| | - Tao Zeng
- Department of Urologythe Second Affiliated Hospital of Nanchang UniversityNanchangChina
| | - Alain Wuethrich
- Centre for Personalised Nanomedicine, Australian Institute for Bioengineering and Nanotechnology, The University of QueenslandBrisbaneQueenslandAustralia
| | - Hongzhi Zou
- Creative Biosciences (Guangzhou) Co., LtdGuangzhouChina
- The Sixth Affiliated HospitalSun Yat‐sen UniversityGuangzhouChina
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6
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Moreira-Pais A, Nogueira-Ferreira R, Reis S, Aveiro S, Barros A, Melo T, Matos B, Duarte JA, Seixas F, Domingues P, Amado F, Fardilha M, Oliveira PA, Ferreira R, Vitorino R. Tracking Prostate Carcinogenesis over Time through Urine Proteome Profiling in an Animal Model: An Exploratory Approach. Int J Mol Sci 2022; 23:ijms23147560. [PMID: 35886909 PMCID: PMC9315930 DOI: 10.3390/ijms23147560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 06/26/2022] [Accepted: 07/06/2022] [Indexed: 01/27/2023] Open
Abstract
Prostate cancer (PCa) is one of the most lethal diseases in men, which justifies the search for new diagnostic tools. The aim of the present study was to gain new insights into the progression of prostate carcinogenesis by analyzing the urine proteome. To this end, urine from healthy animals and animals with prostate adenocarcinoma was analyzed at two time points: 27 and 54 weeks. After 54 weeks, the incidence of pre-neoplastic and neoplastic lesions in the PCa animals was 100%. GeLC-MS/MS and subsequent bioinformatics analyses revealed several proteins involved in prostate carcinogenesis. Increased levels of retinol-binding protein 4 and decreased levels of cadherin-2 appear to be characteristic of early stages of the disease, whereas increased levels of enolase-1 and T-kininogen 2 and decreased levels of isocitrate dehydrogenase 2 describe more advanced stages. With increasing age, urinary levels of clusterin and corticosteroid-binding globulin increased and neprilysin levels decreased, all of which appear to play a role in prostate hyperplasia or carcinogenesis. The present exploratory analysis can be considered as a starting point for studies targeting specific human urine proteins for early detection of age-related maladaptive changes in the prostate that may lead to cancer.
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Affiliation(s)
- Alexandra Moreira-Pais
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal; (A.M.-P.); (S.R.); (T.M.); (P.D.); (F.A.); (R.F.)
- Laboratory for Integrative and Translational Research in Population Health (ITR), Research Center in Physical Activity, Health and Leisure (CIAFEL), Faculty of Sports, University of Porto (FADEUP), 4200-450 Porto, Portugal;
- Centre for Research and Technology of Agro Environmental and Biological Sciences (CITAB), Inov4Agro, University of Trás-Os-Montes and Alto Douro (UTAD), Quinta de Prados, 5000-801 Vila Real, Portugal;
| | - Rita Nogueira-Ferreira
- UnIC@RISE, Department of Surgery and Physiology, Faculty of Medicine of the University of Porto, Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal; (R.N.-F.); (A.B.)
| | - Stephanie Reis
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal; (A.M.-P.); (S.R.); (T.M.); (P.D.); (F.A.); (R.F.)
| | - Susana Aveiro
- GreenCoLab-Green Ocean Association, University of Algarve, 8005-139 Faro, Portugal;
| | - António Barros
- UnIC@RISE, Department of Surgery and Physiology, Faculty of Medicine of the University of Porto, Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal; (R.N.-F.); (A.B.)
| | - Tânia Melo
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal; (A.M.-P.); (S.R.); (T.M.); (P.D.); (F.A.); (R.F.)
- CESAM-Centre for Environmental and Marine Studies, Department of Chemistry, Santiago University Campus, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Bárbara Matos
- Institute of Biomedicine—iBiMED, Department of Medical Sciences, University of Aveiro, 3810-193 Aveiro, Portugal; (B.M.); (M.F.)
- Cancer Biology and Epigenetics Group, IPO Porto Research Center (CI-IPOP), Portuguese Institute of Oncology of Porto (IPO Porto), 4200-072 Porto, Portugal
| | - José Alberto Duarte
- Laboratory for Integrative and Translational Research in Population Health (ITR), Research Center in Physical Activity, Health and Leisure (CIAFEL), Faculty of Sports, University of Porto (FADEUP), 4200-450 Porto, Portugal;
- TOXRUN—Toxicology Research Unit, University Institute of Health Sciences, CESPU, CRL, Avenida Central de Gandra 1317, 4585-116 Gandra, Portugal
| | - Fernanda Seixas
- Animal and Veterinary Research Center (CECAV), University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal;
| | - Pedro Domingues
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal; (A.M.-P.); (S.R.); (T.M.); (P.D.); (F.A.); (R.F.)
| | - Francisco Amado
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal; (A.M.-P.); (S.R.); (T.M.); (P.D.); (F.A.); (R.F.)
| | - Margarida Fardilha
- Institute of Biomedicine—iBiMED, Department of Medical Sciences, University of Aveiro, 3810-193 Aveiro, Portugal; (B.M.); (M.F.)
| | - Paula A. Oliveira
- Centre for Research and Technology of Agro Environmental and Biological Sciences (CITAB), Inov4Agro, University of Trás-Os-Montes and Alto Douro (UTAD), Quinta de Prados, 5000-801 Vila Real, Portugal;
| | - Rita Ferreira
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal; (A.M.-P.); (S.R.); (T.M.); (P.D.); (F.A.); (R.F.)
| | - Rui Vitorino
- UnIC@RISE, Department of Surgery and Physiology, Faculty of Medicine of the University of Porto, Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal; (R.N.-F.); (A.B.)
- Institute of Biomedicine—iBiMED, Department of Medical Sciences, University of Aveiro, 3810-193 Aveiro, Portugal; (B.M.); (M.F.)
- Correspondence:
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A Model to Detect Significant Prostate Cancer Integrating Urinary Peptide and Extracellular Vesicle RNA Data. Cancers (Basel) 2022; 14:cancers14081995. [PMID: 35454901 PMCID: PMC9027643 DOI: 10.3390/cancers14081995] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/11/2022] [Accepted: 04/12/2022] [Indexed: 12/12/2022] Open
Abstract
There is a clinical need to improve assessment of biopsy-naïve patients for the presence of clinically significant prostate cancer (PCa). In this study, we investigated whether the robust integration of expression data from urinary extracellular vesicle RNA (EV-RNA) with urine proteomic metabolites can accurately predict PCa biopsy outcome. Urine samples collected within the Movember GAP1 Urine Biomarker study (n = 192) were analysed by both mass spectrometry-based urine-proteomics and NanoString gene-expression analysis (167 gene-probes). Cross-validated LASSO penalised regression and Random Forests identified a combination of clinical and urinary biomarkers for predictive modelling of significant disease (Gleason Score (Gs) ≥ 3 + 4). Four predictive models were developed: ‘MassSpec’ (CE-MS proteomics), ‘EV-RNA’, and ‘SoC’ (standard of care) clinical data models, alongside a fully integrated omics-model, deemed ‘ExoSpec’. ExoSpec (incorporating four gene transcripts, six peptides, and two clinical variables) is the best model for predicting Gs ≥ 3 + 4 at initial biopsy (AUC = 0.83, 95% CI: 0.77−0.88) and is superior to a standard of care (SoC) model utilising clinical data alone (AUC = 0.71, p < 0.001, 1000 resamples). As the ExoSpec Risk Score increases, the likelihood of higher-grade PCa on biopsy is significantly greater (OR = 2.8, 95% CI: 2.1−3.7). The decision curve analyses reveals that ExoSpec provides a net benefit over SoC and could reduce unnecessary biopsies by 30%.
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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: 32] [Impact Index Per Article: 10.7] [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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9
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Khoo A, Liu LY, Nyalwidhe JO, Semmes OJ, Vesprini D, Downes MR, Boutros PC, Liu SK, Kislinger T. Proteomic discovery of non-invasive biomarkers of localized prostate cancer using mass spectrometry. Nat Rev Urol 2021; 18:707-724. [PMID: 34453155 PMCID: PMC8639658 DOI: 10.1038/s41585-021-00500-1] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/30/2021] [Indexed: 02/08/2023]
Abstract
Prostate cancer is the second most frequently diagnosed non-skin cancer in men worldwide. Patient outcomes are remarkably heterogeneous and the best existing clinical prognostic tools such as International Society of Urological Pathology Grade Group, pretreatment serum PSA concentration and T-category, do not accurately predict disease outcome for individual patients. Thus, patients newly diagnosed with prostate cancer are often overtreated or undertreated, reducing quality of life and increasing disease-specific mortality. Biomarkers that can improve the risk stratification of these patients are, therefore, urgently needed. The ideal biomarker in this setting will be non-invasive and affordable, enabling longitudinal evaluation of disease status. Prostatic secretions, urine and blood can be sources of biomarker discovery, validation and clinical implementation, and mass spectrometry can be used to detect and quantify proteins in these fluids. Protein biomarkers currently in use for diagnosis, prognosis and relapse-monitoring of localized prostate cancer in fluids remain centred around PSA and its variants, and opportunities exist for clinically validating novel and complimentary candidate protein biomarkers and deploying them into the clinic.
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Affiliation(s)
- Amanda Khoo
- Department of Medical Biophysics, University of Toronto, Toronto, Canada
- Princess Margaret Cancer Centre, University Health Network, Toronto, Canada
| | - Lydia Y Liu
- Department of Medical Biophysics, University of Toronto, Toronto, Canada
- Princess Margaret Cancer Centre, University Health Network, Toronto, Canada
- Vector Institute for Artificial Intelligence, Toronto, Canada
- Department of Human Genetics, University of California, Los Angeles, Los Angeles, CA, USA
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles, Los Angeles, CA, USA
| | - Julius O Nyalwidhe
- Leroy T. Canoles Jr. Cancer Research Center, Eastern Virginia Medical School, Norfolk, VA, USA
- Department of Microbiology and Molecular Cell Biology, Eastern Virginia Medical School, Norfolk, VA, USA
| | - O John Semmes
- Leroy T. Canoles Jr. Cancer Research Center, Eastern Virginia Medical School, Norfolk, VA, USA
- Department of Microbiology and Molecular Cell Biology, Eastern Virginia Medical School, Norfolk, VA, USA
| | - Danny Vesprini
- Department of Radiation Oncology, University of Toronto, Toronto, Canada
- Odette Cancer Research Program, Sunnybrook Research Institute, Toronto, Canada
| | - Michelle R Downes
- Division of Anatomic Pathology, Sunnybrook Health Sciences Centre, Toronto, Canada
| | - Paul C Boutros
- Department of Medical Biophysics, University of Toronto, Toronto, Canada.
- Vector Institute for Artificial Intelligence, Toronto, Canada.
- Department of Human Genetics, University of California, Los Angeles, Los Angeles, CA, USA.
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles, Los Angeles, CA, USA.
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, Canada.
- Department of Urology, University of California, Los Angeles, Los Angeles, CA, USA.
- Institute for Precision Health, University of California, Los Angeles, Los Angeles, CA, USA.
| | - Stanley K Liu
- Department of Medical Biophysics, University of Toronto, Toronto, Canada.
- Department of Radiation Oncology, University of Toronto, Toronto, Canada.
- Odette Cancer Research Program, Sunnybrook Research Institute, Toronto, Canada.
| | - Thomas Kislinger
- Department of Medical Biophysics, University of Toronto, Toronto, Canada.
- Princess Margaret Cancer Centre, University Health Network, Toronto, Canada.
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10
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Abstract
Peptides play a crucial role in many vitally important functions of living organisms. The goal of peptidomics is the identification of the "peptidome," the whole peptide content of a cell, organ, tissue, body fluid, or organism. In peptidomic or proteomic studies, capillary electrophoresis (CE) is an alternative technique for liquid chromatography. It is a highly efficient and fast separation method requiring extremely low amounts of sample. In peptidomic approaches, CE is commonly combined with mass spectrometric (MS) detection. Most often, CE is coupled with electrospray ionization MS and less frequently with matrix-assisted laser desorption/ionization MS. CE-MS has been employed in numerous studies dealing with determination of peptide biomarkers in different body fluids for various diseases, or in food peptidomic research for the analysis and identification of peptides with special biological activities. In addition to the above topics, sample preparation techniques commonly applied in peptidomics before CE separation and possibilities for peptide identification and quantification by CE-MS or CE-MS/MS methods are discussed in this chapter.
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11
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Helena H, Ivona V, Roman Ř, František F. Current applications of capillary electrophoresis-mass spectrometry for the analysis of biologically important analytes in urine (2017 to mid-2021): A review. J Sep Sci 2021; 45:305-324. [PMID: 34538010 PMCID: PMC9292318 DOI: 10.1002/jssc.202100621] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 09/07/2021] [Accepted: 09/10/2021] [Indexed: 12/17/2022]
Abstract
Capillary electrophoresis coupled online with mass detection is a modern tool for analyzing wide ranges of compounds in complex samples, including urine. Capillary electrophoresis with mass spectrometry allows the separation and identification of various analytes spanning from small ions to high molecular weight protein complexes. Similarly to the much more common liquid chromatography‐mass spectrometry techniques, the capillary electrophoresis separation reduces the complexity of the mixture of analytes entering the mass spectrometer resulting in reduced ion suppression and a more straightforward interpretation of the mass spectrometry data. This review summarizes capillary electrophoresis with mass spectrometry studies published between the years 2017 and 2021, aiming at the determination of various compounds excreted in urine. The properties of the urine, including its diagnostical and analytical features and chemical composition, are also discussed including general protocols for the urine sample preparation. The mechanism of the electrophoretic separation and the instrumentation for capillary electrophoresis with mass spectrometry coupling is also included. This review shows the potential of the capillary electrophoresis with mass spectrometry technique for the analyses of different kinds of analytes in a complex biological matrix. The discussed applications are divided into two main groups (capillary electrophoresis with mass spectrometry for the determination of drugs and drugs of abuse in urine and capillary electrophoresis with mass spectrometry for the studies of urinary metabolome).
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Affiliation(s)
- Hrušková Helena
- Institute of Analytical Chemistry, Czech Academy of Sciences, Brno, Czech Republic.,Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Voráčová Ivona
- Institute of Analytical Chemistry, Czech Academy of Sciences, Brno, Czech Republic
| | - Řemínek Roman
- Institute of Analytical Chemistry, Czech Academy of Sciences, Brno, Czech Republic
| | - Foret František
- Institute of Analytical Chemistry, Czech Academy of Sciences, Brno, Czech Republic
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12
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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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13
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Hupe MC, Hempel MC, Rodler S, Frantzi M, Mischak H, Merseburger AS, Stief CG, Chaloupka M. [Diagnostic markers in urology]. Urologe A 2021; 60:1323-1330. [PMID: 34156515 DOI: 10.1007/s00120-021-01568-8] [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: 10/21/2022]
Abstract
Cancer diagnostics can be supplemented by disease-related biomarkers. In the course of modern patient-tailored cancer treatment, the importance of correct risk stratification, prognosis and monitoring has significantly increased. In recent years, a multitude of biomarkers and related test procedures have emerged to fulfil this purpose. The following review article summarizes the most recent developments with respect to the use of biomarkers in the diagnostics of urological cancers.
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Affiliation(s)
- Marie C Hupe
- Klinik für Urologie, Universitätsklinikum Schleswig-Holstein, Campus Lübeck, Ratzeburger Allee 160, 23638, Lübeck, Deutschland.
| | - Marie C Hempel
- Klinik für Urologie, Universitätsklinikum Schleswig-Holstein, Campus Lübeck, Ratzeburger Allee 160, 23638, Lübeck, Deutschland
| | - Severin Rodler
- Urologische Klinik und Poliklinik des Klinikums der Universität München, Campus Großhadern, Ludwig-Maximilians-Universität, Marchioninistraße 15, 81377, München, Deutschland
| | - Maria Frantzi
- Abteilung für Biomarkerforschung, Mosaiques Diagnostics GmbH, Hannover, Deutschland
| | - Harald Mischak
- Abteilung für Biomarkerforschung, Mosaiques Diagnostics GmbH, Hannover, Deutschland.,British Heart Foundation Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, Großbritannien
| | - Axel S Merseburger
- Klinik für Urologie, Universitätsklinikum Schleswig-Holstein, Campus Lübeck, Ratzeburger Allee 160, 23638, Lübeck, Deutschland
| | - Christian G Stief
- Urologische Klinik und Poliklinik des Klinikums der Universität München, Campus Großhadern, Ludwig-Maximilians-Universität, Marchioninistraße 15, 81377, München, Deutschland
| | - Michael Chaloupka
- Urologische Klinik und Poliklinik des Klinikums der Universität München, Campus Großhadern, Ludwig-Maximilians-Universität, Marchioninistraße 15, 81377, München, Deutschland.
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14
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Lovell S, Zhang L, Kryza T, Neodo A, Bock N, De Vita E, Williams ED, Engelsberger E, Xu C, Bakker AT, Maneiro M, Tanaka RJ, Bevan CL, Clements JA, Tate EW. A Suite of Activity-Based Probes To Dissect the KLK Activome in Drug-Resistant Prostate Cancer. J Am Chem Soc 2021; 143:8911-8924. [PMID: 34085829 PMCID: PMC9282638 DOI: 10.1021/jacs.1c03950] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
![]()
Kallikrein-related
peptidases (KLKs) are a family of secreted serine
proteases, which form a network (the KLK activome) with an important
role in proteolysis and signaling. In prostate cancer (PCa), increased
KLK activity promotes tumor growth and metastasis through multiple
biochemical pathways, and specific quantification and tracking of
changes in the KLK activome could contribute to validation of KLKs
as potential drug targets. Herein we report a technology platform
based on novel activity-based probes (ABPs) and inhibitors enabling
simultaneous orthogonal analysis of KLK2, KLK3, and KLK14 activity
in hormone-responsive PCa cell lines and tumor homogenates. Importantly,
we identifed a significant decoupling of KLK activity and abundance
and suggest that KLK proteolysis should be considered as an additional
parameter, along with the PSA blood test, for accurate PCa diagnosis
and monitoring. Using selective inhibitors and multiplexed fluorescent
activity-based protein profiling (ABPP), we dissect the KLK activome
in PCa cells and show that increased KLK14 activity leads to a migratory
phenotype. Furthermore, using biotinylated ABPs, we show that active
KLK molecules are secreted into the bone microenvironment by PCa cells
following stimulation by osteoblasts suggesting KLK-mediated signaling
mechanisms could contribute to PCa metastasis to bone. Together our
findings show that ABPP is a powerful approach to dissect dysregulation
of the KLK activome as a promising and previously underappreciated
therapeutic target in advanced PCa.
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Affiliation(s)
- Scott Lovell
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London W12 0BZ, U.K
| | - Leran Zhang
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London W12 0BZ, U.K
| | - Thomas Kryza
- Mater Research Institute-The University of Queensland, Translational Research Institute, Woolloongabba, QLD 4102, Australia.,Australian Prostate Cancer Research Centre-Queensland (APCRC-Q), Institute of Health & Biomedical Innovation and School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Translational Research Institute, Woolloongabba, QLD 4102, Australia
| | - Anna Neodo
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London W12 0BZ, U.K
| | - Nathalie Bock
- Australian Prostate Cancer Research Centre-Queensland (APCRC-Q), Institute of Health & Biomedical Innovation and School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Translational Research Institute, Woolloongabba, QLD 4102, Australia
| | - Elena De Vita
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London W12 0BZ, U.K
| | - Elizabeth D Williams
- Australian Prostate Cancer Research Centre-Queensland (APCRC-Q), Institute of Health & Biomedical Innovation and School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Translational Research Institute, Woolloongabba, QLD 4102, Australia
| | - Elisabeth Engelsberger
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London W12 0BZ, U.K
| | - Congyi Xu
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London W12 0BZ, U.K
| | - Alexander T Bakker
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London W12 0BZ, U.K
| | - Maria Maneiro
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London W12 0BZ, U.K
| | - Reiko J Tanaka
- Department of Bioengineering, Imperial College London, London SW7 2AZ, U.K
| | - Charlotte L Bevan
- Department of Surgery and Cancer, Imperial Centre for Translational and Experimental Medicine, Imperial College London, Hammersmith Hospital, Du Cane Road, London W12 0NN, U.K
| | - Judith A Clements
- Australian Prostate Cancer Research Centre-Queensland (APCRC-Q), Institute of Health & Biomedical Innovation and School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Translational Research Institute, Woolloongabba, QLD 4102, Australia
| | - Edward W Tate
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London W12 0BZ, U.K.,The Francis Crick Institute, London NW1 1AT, U.K
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15
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Frantzi M, Gomez-Gomez E, Mischak H. Noninvasive biomarkers to guide intervention: toward personalized patient management in prostate cancer. EXPERT REVIEW OF PRECISION MEDICINE AND DRUG DEVELOPMENT 2020. [DOI: 10.1080/23808993.2020.1804866] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Maria Frantzi
- Department of Biomarker Research, Mosaiques Diagnostics GmbH, Hannover, Germany
| | | | - Harald Mischak
- Department of Biomarker Research, Mosaiques Diagnostics GmbH, Hannover, Germany
- BHF Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
- Maimonides Institute of Biomedical Research of Cordoba (IMIBIC), University of Cordoba, Cordoba, Spain
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16
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Kang HW, Lee HY, Byun YJ, Jeong P, Yoon JS, Kim DH, Kim WT, Kim YJ, Lee SC, Yun SJ, Kim WJ. A novel urinary mRNA signature using the droplet digital polymerase chain reaction platform improves discrimination between prostate cancer and benign prostatic hyperplasia within the prostate-specific antigen gray zone. Investig Clin Urol 2020; 61:411-418. [PMID: 32665998 PMCID: PMC7329636 DOI: 10.4111/icu.2020.61.4.411] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 03/12/2020] [Indexed: 11/18/2022] Open
Abstract
Purpose The aim of this study was to identify a noninvasive urinary marker for prostate cancer (PCa) diagnosis and to validate the clinical performance of this novel urinary mRNA signature using the droplet digital polymerase chain reaction (ddPCR) approach. Materials and Methods A gene expression microarray (HT-12, Illumina Inc., USA) was used to identify genes differentially expressed between 16 PCa and 8 benign prostatic hyperplasia (BPH) tissues; ddPCR (QX200; Bio-Rad Laboratories, USA) was carried out to quantify the expression of selected genes in urine. The urinary molecular PCa risk score (UMPCaRS) was calculated by using the sum of three upregulated genes as the numerator and the sum of three downregulated genes as the denominator. The diagnostic utility of the UMPCaRS was validated by using a screening set (10 PCa and 10 BPH samples) and a validation set (131 PCa and 105 BPH samples). Results Three upregulated genes (PDLIM5, GDF-15, THBS4) and three downregulated genes (UPK1A, SSTR3, NPFFR2) were selected from the microarray and subjected to ddPCR. The UMPCaRS for PCa in the screening and validation sets was significantly higher than that for BPH. For the validation set, the diagnostic accuracy of the UMPCaRS was comparable with that of prostate-specific antigen (PSA). Importantly, in the "PSA gray zone" (3-10 ng/mL), the AUC for the UMPCaRS was 0.843 and that for PSA was 0.628 (p<0.001). Conclusions The data demonstrate that the UMPCaRS is useful for discriminating between PCa and BPH in the "PSA gray zone".
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Affiliation(s)
- Ho Won Kang
- Department of Urology, Chungbuk National University Hospital, Chungbuk National University College of Medicine, Cheongju, Korea
| | - Hee Youn Lee
- Department of Urology, Chungbuk National University Hospital, Chungbuk National University College of Medicine, Cheongju, Korea
| | - Young Joon Byun
- Department of Urology, Chungbuk National University Hospital, Chungbuk National University College of Medicine, Cheongju, Korea
| | - Pildu Jeong
- Department of Urology, Chungbuk National University Hospital, Chungbuk National University College of Medicine, Cheongju, Korea
| | - Jin Sun Yoon
- Molecular Genetics, Bio-Medical Science Co., Ltd., Seoul, Korea
| | - Dong Ho Kim
- Molecular Genetics, Bio-Medical Science Co., Ltd., Seoul, Korea
| | - Won Tae Kim
- Department of Urology, Chungbuk National University Hospital, Chungbuk National University College of Medicine, Cheongju, Korea
| | - Yong-June Kim
- Department of Urology, Chungbuk National University Hospital, Chungbuk National University College of Medicine, Cheongju, Korea
| | - Sang-Cheol Lee
- Department of Urology, Chungbuk National University Hospital, Chungbuk National University College of Medicine, Cheongju, Korea
| | - Seok Joong Yun
- Department of Urology, Chungbuk National University Hospital, Chungbuk National University College of Medicine, Cheongju, Korea
| | - Wun-Jae Kim
- Department of Urology, Chungbuk National University Hospital, Chungbuk National University College of Medicine, Cheongju, Korea
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17
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Dinges SS, Hohm A, Vandergrift LA, Nowak J, Habbel P, Kaltashov IA, Cheng LL. Cancer metabolomic markers in urine: evidence, techniques and recommendations. Nat Rev Urol 2020; 16:339-362. [PMID: 31092915 DOI: 10.1038/s41585-019-0185-3] [Citation(s) in RCA: 95] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Urinary tests have been used as noninvasive, cost-effective tools for screening, diagnosis and monitoring of diseases since ancient times. As we progress through the 21st century, modern analytical platforms have enabled effective measurement of metabolites, with promising results for both a deeper understanding of cancer pathophysiology and, ultimately, clinical translation. The first study to measure metabolomic urinary cancer biomarkers using NMR and mass spectrometry (MS) was published in 2006 and, since then, these techniques have been used to detect cancers of the urological system (kidney, prostate and bladder) and nonurological tumours including those of the breast, ovary, lung, liver, gastrointestinal tract, pancreas, bone and blood. This growing field warrants an assessment of the current status of research developments and recommendations to help systematize future research.
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Affiliation(s)
- Sarah S Dinges
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.,Department of Pathology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.,Department of Haematology and Oncology, CCM, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Annika Hohm
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.,Department of Pathology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.,Department of Diagnostic and Interventional Neuroradiology, University Hospital of Würzburg, Würzburg, Germany
| | - Lindsey A Vandergrift
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.,Department of Pathology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Johannes Nowak
- Department of Diagnostic and Interventional Radiology, University Hospital of Würzburg, Würzburg, Germany
| | - Piet Habbel
- Department of Haematology and Oncology, CCM, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Igor A Kaltashov
- Department of Chemistry, University of Massachusetts-Amherst, Amherst, MA, USA.
| | - Leo L Cheng
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA. .,Department of Pathology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
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18
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A new paradigm in public health assessment: Water fingerprinting for protein markers of public health using mass spectrometry. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.115621] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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19
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Ji X, Tang Z, Shuai W, Zhang Z, Li J, Chen L, Cao J, Yin W. Endogenous peptide LYENRL prevents the activation of hypertrophic scar-derived fibroblasts by inhibiting the TGF-β1/Smad pathway. Life Sci 2019; 231:116674. [DOI: 10.1016/j.lfs.2019.116674] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 07/19/2019] [Accepted: 07/19/2019] [Indexed: 12/16/2022]
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20
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Liang JH, Lin Y, Ouyang T, Tang W, Huang Y, Ye W, Zhao JY, Wang ZN, Ma CC. Nuclear magnetic resonance-based metabolomics and metabolic pathway networks from patient-matched esophageal carcinoma, adjacent noncancerous tissues and urine. World J Gastroenterol 2019; 25:3218-3230. [PMID: 31333313 PMCID: PMC6626731 DOI: 10.3748/wjg.v25.i25.3218] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 05/13/2019] [Accepted: 06/01/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Several studies have demonstrated a correlation between esophageal cancer (EC) and perturbed urinary metabolomic profiles, but none has described the correlation between urine metabolite profiles and those of the tumor and adjacent esophageal mucosa in the same patient.
AIM To investigate how urinary metabolic phenotypes were linked to the changes in the biochemical landscape of esophageal tumors.
METHODS Nuclear magnetic resonance-based metabolomics were applied to esophageal tumor tissues and adjacent normal mucosal tissues alongside patient-matched urine samples.
RESULTS Analysis revealed that specific metabolite changes overlapped across both metrics, including glucose, glutamate, citrate, glycine, creatinine and taurine, indicating that the networks for metabolic pathway perturbations in EC, potentially involved in but not limited to disruption of fatty acid metabolism, glucose and glycolytic metabolism, tricarboxylic acid cycle and glutaminolysis. Additionally, changes in most urinary biomarkers correlated with changes in biomarker candidates in EC tissues, implying enhanced energy production for rapid cell proliferation.
CONCLUSION Overall, these associations provide evidence for distinct metabolic signatures and pathway disturbances between the tumor tissues and urine of EC patients, and changes in urinary metabolic signature could reflect reprogramming of the aforementioned metabolic pathways in EC tissues. Further investigation is needed to validate these initial findings using larger samples and to establish the underlying mechanism of EC progression.
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Affiliation(s)
- Jia-Hao Liang
- Department of Radiology, Second Affiliated Hospital, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Yan Lin
- Department of Radiology, Second Affiliated Hospital, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Ting Ouyang
- Department of Radiology, Second Affiliated Hospital, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Wan Tang
- Department of Radiology, Second Affiliated Hospital, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Yao Huang
- Department of Radiology, Second Affiliated Hospital, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Wei Ye
- Department of Radiology, Second Affiliated Hospital, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Jia-Yun Zhao
- Department of Radiology, Second Affiliated Hospital, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Zhe-Ning Wang
- Department of Radiology, Second Affiliated Hospital, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Chang-Chun Ma
- Department of Radiation Oncology, Affiliated Tumor Hospital, Shantou University Medical College, Shantou 515041, Guangdong Province, China
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21
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Yasmin H, Rahman MS, Shibata T. Facile and Selective Determination of Dipeptides Using 3-Methylcatechol as a Novel Fluorogenic Reagent. Int J Pept Res Ther 2019. [DOI: 10.1007/s10989-018-9703-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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22
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Hao L, Thomas S, Greer T, Vezina CM, Bajpai S, Ashok A, De Marzo AM, Bieberich CJ, Li L, Ricke WA. Quantitative proteomic analysis of a genetically induced prostate inflammation mouse model via custom 4-plex DiLeu isobaric labeling. Am J Physiol Renal Physiol 2019; 316:F1236-F1243. [PMID: 30995113 PMCID: PMC6620594 DOI: 10.1152/ajprenal.00387.2018] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 04/08/2019] [Accepted: 04/09/2019] [Indexed: 02/06/2023] Open
Abstract
Inflammation is involved in many prostate pathologies including infection, benign prostatic hyperplasia, and prostate cancer. Preclinical models are critical to our understanding of disease mechanisms, yet few models are genetically tractable. Here, we present a comparative quantitative proteomic analysis of urine from mice with and without prostate-specific inflammation induced by conditional prostate epithelial IL-1β expression. Relative quantification and sample multiplexing was achieved using custom 4-plex N,N-dimethyl leucine (DiLeu) isobaric tags and nanoflow ultrahigh-performance liquid chromatography coupled to high-resolution tandem mass spectrometry. Each set of 4-plex DiLeu reagents allows four urine samples to be analyzed simultaneously, providing high-throughput and accurate quantification of urinary proteins. Proteins involved in the acute phase response, including haptoglobin, inter-α-trypsin inhibitor, and α1-antitrypsin 1-1, were differentially represented in the urine of mice with prostate inflammation. Mass spectrometry-based quantitative urinary proteomics represents a promising bioanalytical strategy for biomarker discovery and the elucidation of molecular mechanisms in urological research.
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Affiliation(s)
- Ling Hao
- School of Pharmacy, University of Wisconsin-Madison , Madison, Wisconsin
| | - Samuel Thomas
- Molecular and Environmental Toxicology Center, University of Wisconsin-Madison , Madison, Wisconsin
| | - Tyler Greer
- Department of Chemistry, University of Wisconsin-Madison , Madison, Wisconsin
| | - Chad M Vezina
- Molecular and Environmental Toxicology Center, University of Wisconsin-Madison , Madison, Wisconsin
- School of Veterinary Medicine, University of Wisconsin-Madison , Madison, Wisconsin
- George M. O'Brien Center of Research Excellence, University of Wisconsin-Madison , Madison, Wisconsin
| | - Sagar Bajpai
- Department of Biological Sciences, University of Maryland-Baltimore County , Baltimore, Maryland
| | - Arya Ashok
- Department of Biological Sciences, University of Maryland-Baltimore County , Baltimore, Maryland
| | - Angelo M De Marzo
- Department of Pathology, Johns Hopkins University School of Medicine , Baltimore, Maryland
| | - Charles J Bieberich
- Department of Biological Sciences, University of Maryland-Baltimore County , Baltimore, Maryland
- University of Maryland Marlene and Stewart Greenebaum Cancer Center , Baltimore, Maryland
| | - Lingjun Li
- School of Pharmacy, University of Wisconsin-Madison , Madison, Wisconsin
- Molecular and Environmental Toxicology Center, University of Wisconsin-Madison , Madison, Wisconsin
- Department of Chemistry, University of Wisconsin-Madison , Madison, Wisconsin
| | - William A Ricke
- School of Pharmacy, University of Wisconsin-Madison , Madison, Wisconsin
- Molecular and Environmental Toxicology Center, University of Wisconsin-Madison , Madison, Wisconsin
- George M. O'Brien Center of Research Excellence, University of Wisconsin-Madison , Madison, Wisconsin
- Department of Urology, University of Wisconsin-Madison , Madison, Wisconsin
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CE-MS-based urinary biomarkers to distinguish non-significant from significant prostate cancer. Br J Cancer 2019; 120:1120-1128. [PMID: 31092909 PMCID: PMC6738044 DOI: 10.1038/s41416-019-0472-z] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2018] [Revised: 04/11/2019] [Accepted: 04/16/2019] [Indexed: 02/06/2023] Open
Abstract
Background Prostate cancer progresses slowly when present in low risk forms but can be lethal when it progresses to metastatic disease. A non-invasive test that can detect significant prostate cancer is needed to guide patient management. Methods Capillary electrophoresis/mass spectrometry has been employed to identify urinary peptides that may accurately detect significant prostate cancer. Urine samples from 823 patients with PSA (<15 ng/ml) were collected prior to biopsy. A case–control comparison was performed in a training set of 543 patients (nSig = 98; nnon-Sig = 445) and a validation set of 280 patients (nSig = 48, nnon-Sig = 232). Totally, 19 significant peptides were subsequently combined by a support vector machine algorithm. Results Independent validation of the 19-biomarker model in 280 patients resulted in a 90% sensitivity and 59% specificity, with an AUC of 0.81, outperforming PSA (AUC = 0.58) and the ERSPC-3/4 risk calculator (AUC = 0.69) in the validation set. Conclusions This multi-parametric model holds promise to improve the current diagnosis of significant prostate cancer. This test as a guide to biopsy could help to decrease the number of biopsies and guide intervention. Nevertheless, further prospective validation in an external clinical cohort is required to assess the exact performance characteristics.
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24
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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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25
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Gatenholm B, Gobom J, Skillbäck T, Blennow K, Zetterberg H, Brittberg M. Peptidomic analysis of cartilage and subchondral bone in OA patients. Eur J Clin Invest 2019; 49:e13082. [PMID: 30725487 DOI: 10.1111/eci.13082] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 08/09/2018] [Accepted: 12/10/2018] [Indexed: 01/01/2023]
Abstract
BACKGROUND The objective of this study was to develop a method for directly analysing osteochondral samples straight out of the operating room without cell culturing, thereby enabling identification of potential peptide biomarkers to better understand the mechanisms involved in the development of osteoarthritis and pain. MATERIAL AND METHODS Osteochondral plugs from wounded and macroscopically nonwounded zones of the femur condyle were collected from six patients with manifest osteoarthritis (OA) undergoing total knee arthroplasty (TKA). The samples were demineralized and supernatant was collected and isotopically marked with Tandem Mass Tag (TMT) labelling and analysed using liquid chromatography coupled with tandem mass spectrometry LC-MS/MS. RESULTS Using peptidomics, 6292 endogenous peptides were identified. Five hundred sixty-six peptides (8 identified endogenous peptides) differed significantly (P-value 0.10) from wounded zones compared to nonwounded zones. CONCLUSION This pilot study shows promising results for enabling peptidomic analysis of cartilage and bone straight out of the operating room. With further refinement, peptidomics can potentially become a diagnostic tool for OA, and improve the knowledge of disease progression and genesis of pain.
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Affiliation(s)
- Birgitta Gatenholm
- Department of Orthopaedics, Institute of Clinical Sciences, the Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden.,Sahlgrenska University Hospital, Mölndal, Sweden
| | - Johan Gobom
- Institute of Neuroscience and Physiology, Department of Neurochemistry, the Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden.,Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden
| | - Tobias Skillbäck
- Institute of Neuroscience and Physiology, Department of Neurochemistry, the Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden.,Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden
| | - Kaj Blennow
- Institute of Neuroscience and Physiology, Department of Neurochemistry, the Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden.,Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden
| | - Henrik Zetterberg
- Institute of Neuroscience and Physiology, Department of Neurochemistry, the Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden.,Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden.,Department of Molecular Neuroscience, UCL Institute of Neurology, Queen Square, London, UK
| | - Mats Brittberg
- Department of Orthopaedics, Institute of Clinical Sciences, the Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden.,Hallands Sjukhus, Kungsbacka, Sweden
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26
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De Baetselier I, Smet H, Abdellati S, De Deken B, Cuylaerts V, Reyniers T, Vuylsteke B, Crucitti T. Evaluation of the 'Colli-Pee', a first-void urine collection device for self-sampling at home for the detection of sexually transmitted infections, versus a routine clinic-based urine collection in a one-to-one comparison study design: efficacy and acceptability among MSM in Belgium. BMJ Open 2019; 9:e028145. [PMID: 30948618 PMCID: PMC6500257 DOI: 10.1136/bmjopen-2018-028145] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 02/28/2019] [Accepted: 03/01/2019] [Indexed: 01/29/2023] Open
Abstract
OBJECTIVES Pre-exposure prophylaxis (PrEP) users are screened bi-annual for sexually transmitted infections (STIs). A novel device, called the Colli-Pee, collects first-void urine in a standardised way and the collector tube can be easily delivered by regular post to a certified laboratory. The aim of the study was a one-to-one comparison between the STI test results obtained with the urine collected in the clinic, versus urine collected at home in a real-life setting by Men who have Sex with Men (MSM) in Belgium. The user-friendliness and acceptability of the Colli-Pee device by the users was also evaluated. DESIGN A single-site nested substudy in a prospective PrEP demonstration project (Be-PrEP-ared) among MSM in Belgium. PARTICIPANTS A total of 473 home-based samples from 213 MSM were received with a mean age of 38.5 years. INTERVENTIONS Participants were requested to collect a urine sample at home using the Colli-Pee device and to send it to the laboratory via regular mail. PRIMARY AND SECONDARY OUTCOME MEASURES The presence of Chlamydia trachomatis (CT), Neisseria gonorrhoeae (NG), Mycoplasma genitalium (MG) and Trichomonas vaginalis (TV) was determined using molecular amplification assays. Agreement between test results of samples collected at the clinic and collected at home were evaluated using Cohen's kappa statistic. RESULTS TV was not detected. A very good to almost perfect agreement was found for CT, NG and MG of κ=0.75, 0.87 and 0.85, respectively. Using the Colli-Pee device only one low positive CT and two MG infections were missed, however, three additional CT, two NG and six MG infections were detected. CONCLUSIONS The Colli-Pee device is a feasible and convenient way to collect urine at home for STI testing. This may be particularly relevant for populations that need frequent STI testing, such as PrEP users and patients who prefer home-sampling. TRIAL REGISTRATION NUMBER NCT02552914; Pre-results.
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Affiliation(s)
- Irith De Baetselier
- Department of Clinical Sciences, HIV/STI Reference Laboratory, Institute of Tropical Medicine, Antwerp, Belgium
| | - Hilde Smet
- Department of Clinical Sciences, HIV/STI Reference Laboratory, Institute of Tropical Medicine, Antwerp, Belgium
| | - Said Abdellati
- Department of Clinical Sciences, HIV/STI Reference Laboratory, Institute of Tropical Medicine, Antwerp, Belgium
| | - Bénédicte De Deken
- Department of Clinical Sciences, HIV/STI Reference Laboratory, Institute of Tropical Medicine, Antwerp, Belgium
| | - Vicky Cuylaerts
- Department of Clinical Sciences, HIV/STI Reference Laboratory, Institute of Tropical Medicine, Antwerp, Belgium
| | - Thijs Reyniers
- Department of Public Health, Institute of Tropical Medicine, Antwerp, Belgium
| | - Bea Vuylsteke
- Department of Public Health, Institute of Tropical Medicine, Antwerp, Belgium
| | - Tania Crucitti
- Department of Clinical Sciences, HIV/STI Reference Laboratory, Institute of Tropical Medicine, Antwerp, Belgium
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27
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Banach P, Dereziński P, Matuszewska E, Matysiak J, Bochyński H, Kokot ZJ, Nowak-Markwitz E. MALDI-TOF-MS Analysis in the Identification of Urine Proteomic Patterns of Gestational Trophoblastic Disease. Metabolites 2019; 9:metabo9020030. [PMID: 30744112 PMCID: PMC6409522 DOI: 10.3390/metabo9020030] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 02/02/2019] [Accepted: 02/03/2019] [Indexed: 12/20/2022] Open
Abstract
Gestational trophoblastic disease (GTD) is a group of highly aggressive, rare tumors. Human chorionic gonadotropin is a common biomarker used in the diagnosis and monitoring of GTD. To improve our knowledge of the pathology of GTD, we performed protein-peptide profiling on the urine of patients affected with gestational trophoblastic neoplasm (GTN). We analyzed urine samples from patients diagnosed with GTN (n = 26) and from healthy pregnant and non-pregnant controls (n = 17) using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS). Ions were examined in a linear mode over a m/z range of 1000–10,000. All GTN urine samples were analyzed before and after treatment and compared with those of the controls. The statistical analyses included multivariate classification algorithms as well as ROC curves. Urine sample analyses revealed there were significant differences in the composition of the ions between the evaluated groups. Comparing the pre-treatment and group with the pregnant controls, we identified two discriminatory proteins: hemoglobin subunit α (m/z = 1951.81) and complement C4A (m/z = 1895.43). Then, comparing urine samples from the post-treatment cases with those from the non-pregnant controls, we identified the peptides uromodulin fragments (m/z = 1682.34 and 1913.54) and complement C4A (m/z = 1895.43).
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Affiliation(s)
- Paulina Banach
- Gynecologic Oncology Department, Poznan University of Medical Sciences, Polna 33, 60-535 Poznan, Poland.
| | - Paweł Dereziński
- Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznan, Poland.
| | - Eliza Matuszewska
- Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznan, Poland.
| | - Jan Matysiak
- Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznan, Poland.
| | - Hubert Bochyński
- Gynecologic Oncology Department, Poznan University of Medical Sciences, Polna 33, 60-535 Poznan, Poland.
| | - Zenon J Kokot
- Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznan, Poland.
| | - Ewa Nowak-Markwitz
- Gynecologic Oncology Department, Poznan University of Medical Sciences, Polna 33, 60-535 Poznan, Poland.
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28
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Liquid Biopsy Potential Biomarkers in Prostate Cancer. Diagnostics (Basel) 2018; 8:diagnostics8040068. [PMID: 30698162 PMCID: PMC6316409 DOI: 10.3390/diagnostics8040068] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Revised: 09/12/2018] [Accepted: 09/14/2018] [Indexed: 12/12/2022] Open
Abstract
Prostate cancer (PCa) is the second most common cancer in men worldwide with an incidence of 14.8% and a mortality of 6.6%. Shortcomings in comprehensive medical check-ups in low- and middle-income countries lead to delayed detection of PCa and are causative of high numbers of advanced PCa cases at first diagnosis. The performance of available biomarkers is still insufficient and limited applicability, including logistical and financial burdens, impedes comprehensive implementation into health care systems. There is broad agreement on the need of new biomarkers to improve (i) early detection of PCa, (ii) risk stratification, (iii) prognosis, and (iv) treatment monitoring. This review focuses on liquid biopsy tests distinguishing high-grade significant (Gleason score (GS) ≥ 7) from low-grade indolent PCa. Available biomarkers still lack performance in risk stratification of biopsy naïve patients. However, biomarkers with highly negative predictive values may help to reduce unnecessary biopsies. Risk calculators using integrative scoring systems clearly improve decision-making for invasive prostate biopsy. Emerging biomarkers have the potential to substitute PSA and improve the overall performance of risk calculators. Until then, PSA should be used and may be replaced whenever enough evidence has accumulated for better performance of a new biomarker.
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29
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Latosinska A, Frantzi M, Merseburger AS, Mischak H. Promise and Implementation of Proteomic Prostate Cancer Biomarkers. Diagnostics (Basel) 2018; 8:diagnostics8030057. [PMID: 30158500 PMCID: PMC6174350 DOI: 10.3390/diagnostics8030057] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 08/26/2018] [Accepted: 08/27/2018] [Indexed: 12/21/2022] Open
Abstract
Prostate cancer is one of the most commonly diagnosed malignancy and the fifth leading cause of cancer mortality in men. Despite the broad use of prostate-specific antigen test that resulted in an increase in number of diagnosed cases, disease management needs to be improved. Proteomic biomarkers alone and or in combination with clinical and pathological risk calculators are expected to improve on decreasing the unnecessary biopsies, stratify low risk patients, and predict response to treatment. To this end, significant efforts have been undertaken to identify novel biomarkers that can accurately discriminate between indolent and aggressive cancer forms and indicate those men at high risk for developing prostate cancer that require immediate treatment. In the era of “big data” and “personalized medicine” proteomics-based biomarkers hold great promise to provide clinically applicable tools, as proteins regulate all biological functions, and integrate genomic information with the environmental impact. In this review article, we aim to provide a critical assessment of the current proteomics-based biomarkers for prostate cancer and their actual clinical applicability. For that purpose, a systematic review of the literature published within the last 10 years was performed using the Web of Science Database. We specifically discuss the potential and prospects of use for diagnostic, prognostic and predictive proteomics-based biomarkers, including both body fluid- and tissue-based markers.
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Affiliation(s)
| | - Maria Frantzi
- Mosaiques Diagnostics GmbH, 30659 Hannover, Germany.
| | - Axel S Merseburger
- Department of Urology, University Clinic of Schleswig-Holstein, Campus Lübeck, 23562 Lübeck, Germany.
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30
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Jedinak A, Loughlin KR, Moses MA. Approaches to the discovery of non-invasive urinary biomarkers of prostate cancer. Oncotarget 2018; 9:32534-32550. [PMID: 30197761 PMCID: PMC6126692 DOI: 10.18632/oncotarget.25946] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Accepted: 07/23/2018] [Indexed: 02/07/2023] Open
Abstract
Prostate cancer (PCa) continues to be one of the most common cancers in men worldwide. Prostate specific antigen (PSA) measured in blood has been used for decades as an aid for physicians to detect the presence of prostate cancer. However, the PSA test has limited sensitivity and specificity, leading to unnecessary biopsies, overdiagnosis and overtreatment of patients. For these reasons, there is an urgent need for more accurate PCa biomarkers that can detect PCa with high sensitivity and specificity. Urine is a unique source of potential protein biomarkers that can be measured in a non-invasive way. This review comprehensively summarizes state of the art approaches used in the discovery and validation of urinary biomarkers for PCa. Numerous strategies are currently being used in the discovery of urinary biomarkers for prostate cancer including gel-based separation techniques, mass spectrometry, activity-based proteomic assays and software approaches. Antibody-based approaches remain preferred method for validation of candidate biomarkers with rapidly advancing multiplex immunoassays and MS-based targeted approaches. In the last decade, there has been a dramatic acceleration in the development of new techniques and approaches in the discovery of protein biomarkers for prostate cancer including computational, statistical and data mining methods. Many urinary-based protein biomarkers have been identified and have shown significant promise in initial studies. Examples of these potential biomarkers and the methods utilized in their discovery are also discussed in this review.
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Affiliation(s)
- Andrej Jedinak
- Vascular Biology Program and Department of Surgery, Boston Children's Hospital, Boston, MA, USA.,Department of Surgery, Harvard Medical School, Boston, MA, USA
| | - Kevin R Loughlin
- Department of Surgery, Harvard Medical School, Boston, MA, USA.,Department of Urology, Brigham and Women's Hospital, Boston, MA, USA
| | - Marsha A Moses
- Vascular Biology Program and Department of Surgery, Boston Children's Hospital, Boston, MA, USA.,Department of Surgery, Harvard Medical School, Boston, MA, USA
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31
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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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32
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Urinary CE-MS peptide marker pattern for detection of solid tumors. Sci Rep 2018; 8:5227. [PMID: 29588543 PMCID: PMC5869723 DOI: 10.1038/s41598-018-23585-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 03/09/2018] [Indexed: 01/06/2023] Open
Abstract
Urinary profiling datasets, previously acquired by capillary electrophoresis coupled to mass-spectrometry were investigated to identify a general urinary marker pattern for detection of solid tumors by targeting common systemic events associated with tumor-related inflammation. A total of 2,055 urinary profiles were analyzed, derived from a) a cancer group of patients (n = 969) with bladder, prostate, and pancreatic cancers, renal cell carcinoma, and cholangiocarcinoma and b) a control group of patients with benign diseases (n = 556), inflammatory diseases (n = 199) and healthy individuals (n = 331). Statistical analysis was conducted in a discovery set of 676 cancer cases and 744 controls. 193 peptides differing at statistically significant levels between cases and controls were selected and combined to a multi-dimensional marker pattern using support vector machine algorithms. Independent validation in a set of 635 patients (293 cancer cases and 342 controls) showed an AUC of 0.82. Inclusion of age as independent variable, significantly increased the AUC value to 0.85. Among the identified peptides were mucins, fibrinogen and collagen fragments. Further studies are planned to assess the pattern value to monitor patients for tumor recurrence. In this proof-of-concept study, a general tumor marker pattern was developed to detect cancer based on shared biomarkers, likely indicative of cancer-related features.
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33
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Diagnosis of prostate cancer by analyzing oxidative stress in human seminal plasma: developing unsophisticated tools for noninvasive prostate cancer diagnosis. Eur J Cancer Prev 2018; 25:518-23. [PMID: 26633164 DOI: 10.1097/cej.0000000000000215] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Prostate-specific antigen blood testing has improved early detection of prostate cancer (PCa); however, PCa mortality has not decreased accordingly and a prostate biopsy is still required for a definitive diagnosis. Proteomic biomarker screening in easily available body fluids such as seminal plasma is now increasingly being proposed as a solution to improve PCa detection and prognosis. PCa cells typically produce high levels of reactive oxygen species (ROS). In this study, we therefore investigated ROS levels in semen samples from patients with a negative or a positive prostate biopsy to predict PCa diagnosis. Multiple clinicopathological parameters (digital rectal examination, prostate-specific antigen scoring, prostate biopsy, and ROS levels) of patients examined for PCa were measured. No significant differences in ROS levels were detected in relation to PCa diagnosis. Although seminal plasma is a well-suited medium for prostate-related biomarkers, no significant differences in ROS levels were observed between the patient groups. Comparison with ROS levels encountered in semen of larger patient groups is the next logical step.
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34
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Sigdel TK, Nicora CD, Qian WJ, Sarwal MM. Optimization for Peptide Sample Preparation for Urine Peptidomics. Methods Mol Biol 2018; 1788:63-72. [PMID: 29623538 DOI: 10.1007/7651_2017_90] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Analysis of native or endogenous peptides in biofluids can provide valuable insight into disease mechanisms. Furthermore, the detected peptides may also have utility as potential biomarkers for noninvasive monitoring of human diseases. The noninvasive nature of urine collection and the abundance of peptides in the urine make analysis by high-throughput "peptidomics" methods an attractive approach for investigating the pathogenesis of renal disease. However, urine peptidomics methodologies can be problematic with regard to difficulties associated with sample preparation. The urine matrix can provide significant background interference in making the analytical measurements, in that it hampers both the identification of peptides and the depth of the peptidomics read when utilizing LC-MS-based peptidome analysis. We report on a novel adaptation of the standard solid-phase extraction (SPE) method to a modified SPE (mSPE) approach for improved peptide yield and analysis sensitivity with LC-MS-based peptidomics, in terms of time, cost, clogging of the LC-MS column, peptide yield, peptide quality, and number of peptides identified by each method. The mSPE method provides significantly improved efficiencies for the preparation of samples from urine. The mSPE method is found to be superior to the conventional, standard SPE method for urine peptide sample preparation when applying LC-MS peptidomics analysis, due to optimized sample cleanup that provides improved experimental inference from confidently identified peptides.
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Affiliation(s)
- Tara K Sigdel
- Department of Surgery, University of California San Francisco, San Francisco, CA, USA.
| | - Carrie D Nicora
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA
| | - Wei-Jun Qian
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA
| | - Minnie M Sarwal
- Department of Surgery, University of California San Francisco, San Francisco, CA, USA
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35
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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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Harpole M, Davis J, Espina V. Current state of the art for enhancing urine biomarker discovery. Expert Rev Proteomics 2017; 13:609-26. [PMID: 27232439 DOI: 10.1080/14789450.2016.1190651] [Citation(s) in RCA: 87] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
INTRODUCTION Urine is a highly desirable biospecimen for biomarker analysis because it can be collected recurrently by non-invasive techniques, in relatively large volumes. Urine contains cellular elements, biochemicals, and proteins derived from glomerular filtration of plasma, renal tubule excretion, and urogenital tract secretions that reflect, at a given time point, an individual's metabolic and pathophysiologic state. AREAS COVERED High-resolution mass spectrometry, coupled with state of the art fractionation systems are revealing the plethora of diagnostic/prognostic proteomic information existing within urinary exosomes, glycoproteins, and proteins. Affinity capture pre-processing techniques such as combinatorial peptide ligand libraries and biomarker harvesting hydrogel nanoparticles are enabling measurement/identification of previously undetectable urinary proteins. Expert commentary: Future challenges in the urinary proteomics field include a) defining either single or multiple, universally applicable data normalization methods for comparing results within and between individual patients/data sets, and b) defining expected urinary protein levels in healthy individuals.
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Affiliation(s)
- Michael Harpole
- a Center for Applied Proteomics and Molecular Medicine , George Mason University , Manassas , VA , USA
| | - Justin Davis
- b Department of Chemistry/Biochemistry , George Mason University , Manassas , VA , USA
| | - Virginia Espina
- a Center for Applied Proteomics and Molecular Medicine , George Mason University , Manassas , VA , USA
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Wu D, Ni J, Beretov J, Cozzi P, Willcox M, Wasinger V, Walsh B, Graham P, Li Y. Urinary biomarkers in prostate cancer detection and monitoring progression. Crit Rev Oncol Hematol 2017; 118:15-26. [DOI: 10.1016/j.critrevonc.2017.08.002] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Revised: 08/08/2017] [Accepted: 08/11/2017] [Indexed: 12/21/2022] Open
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Whole-genome gene expression analysis in urine samples of patients with prostate cancer and benign prostate hyperplasia. Urol Oncol 2017. [PMID: 28647394 DOI: 10.1016/j.urolonc.2017.05.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
OBJECTIVE There is an urgent need to find new biomarkers with higher specificity and sensitivity for using early detection of prostate cancer (PrCa) and reducing recurrent unnecessary biopsy rates, psychological and physical stress on the patient, and costs. Being noninvasive, urine-based tests might be suitable in routine practice. The aim of this study was to report the first whole-genome gene expression analysis in urine samples, as noninvasive method, that were obtained from PrCa, benign prostate hyperplasia (BPH), and control groups by using the microarray system from Turkey, to our knowledge. METHODS Whole-genome gene expression profiling was conducted in urine samples of 25 patients with PrCa, 24 patients with BPH, and 11 healthy males by using the Illumina Hi Scan microarray system. RESULTS The number of probes showing a significant change at the level of expression were 101 and 75 in PrCa-control and BPH-control comparison groups, respectively. Further, 51 of them were the same in both comparison groups. There was no significant change at the level of expression in PrCa-BPH comparison group. CONCLUSION This study revealed several candidate biomarkers for early diagnosis of PrCa and contributed to the literature by detecting the differences of gene expression profiles in urine samples of PrCa-control and BPH-control comparison groups using the microarray. However, further studies are needed in larger groups.
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Di Meo A, Bartlett J, Cheng Y, Pasic MD, Yousef GM. Liquid biopsy: a step forward towards precision medicine in urologic malignancies. Mol Cancer 2017; 16:80. [PMID: 28410618 PMCID: PMC5391592 DOI: 10.1186/s12943-017-0644-5] [Citation(s) in RCA: 234] [Impact Index Per Article: 33.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Accepted: 03/28/2017] [Indexed: 12/12/2022] Open
Abstract
There is a growing trend towards exploring the use of a minimally invasive "liquid biopsy" to identify biomarkers in a number of cancers, including urologic malignancies. Multiple aspects can be assessed in circulating cell-free DNA, including cell-free DNA levels, integrity, methylation and mutations. Other prospective liquid biopsy markers include circulating tumor cells, circulating RNAs (miRNA, lncRNAs and mRNAs), cell-free proteins, peptides and exosomes have also emerged as non-invasive cancer biomarkers. These circulating molecules can be detected in various biological fluids, including blood, urine, saliva and seminal plasma. Liquid biopsies hold great promise for personalized medicine due to their ability to provide multiple non-invasive global snapshots of the primary and metastatic tumors. Molecular profiling of circulating molecules has been a stepping-stone to the successful introduction of several non-invasive multi-marker tests into the clinic. In this review, we provide an overview of the current state of cell-free DNA-based kidney, prostate and bladder cancer biomarker research and discuss the potential utility other circulating molecules. We will also discuss the challenges and limitations facing non-invasive cancer biomarker discovery and the benefits of this growing area of translational research.
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Affiliation(s)
- Ashley Di Meo
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada.,Department of Laboratory Medicine, Keenan Research Centre for Biomedical Science, Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, ON, Canada
| | - Jenni Bartlett
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada.,Department of Laboratory Medicine, Keenan Research Centre for Biomedical Science, Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, ON, Canada
| | - Yufeng Cheng
- Department of Radiation Oncology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Maria D Pasic
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada.,Department of Laboratory Medicine, St. Joseph's Health Centre, Toronto, ON, Canada
| | - George M Yousef
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada. .,Department of Laboratory Medicine, Keenan Research Centre for Biomedical Science, Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, ON, Canada.
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Galilea San Blas O, Moreno Sanz F, Herrero Espílez P, Sainz Menéndez RM, Mayo Barallo JC, Marchante-Gayón JM, García Alonso JI. Evaluation of sulfur isotopic enrichment of urine metabolites for the differentiation of healthy and prostate cancer mice after the administration of 34S labelled yeast. J Trace Elem Med Biol 2017; 39:155-161. [PMID: 27908409 DOI: 10.1016/j.jtemb.2016.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Revised: 09/14/2016] [Accepted: 09/22/2016] [Indexed: 11/15/2022]
Abstract
Sulfur isotopic enrichment of urine metabolites in healthy and prostate cancer mice using 34S enriched yeast and High Performance Liquid Chromatography coupled to Multicollector Inductively Coupled Plasma Mass Spectrometry (HPLC-MC-ICP-MS) has been evaluated. A 30 weeks experiment (since the eleventh to the fortieth week of life) was carried out collecting the urine of three healthy mice and three transgenic mice with prostate cancer during 24h after a single oral administration of a 34S enriched yeast slurry. The isotopic enrichment of different sulphur metabolites was monitored by coupling a C18 reverse phase HPLC column with a multicollector ICP-MS using a membrane desolvating system. Quantification of sulfur in the chromatographic peaks was carried out by post-column isotope dilution using a 33S enriched spike. Differences between the 34S enrichment in the urine metabolites of healthy and prostate cancer mice were found from the beginning of the disease. Both populations could be differentiated using a principal component analysis (PCA). Finally, 7 unknown mice were correctly classified in each population using a linear discriminant analysis.
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Affiliation(s)
- Oscar Galilea San Blas
- Department of Physical and Analytical Chemistry, University of Oviedo, Julian Clavería 8, 33006 Oviedo, Spain
| | | | | | | | | | - Juan Manuel Marchante-Gayón
- Department of Physical and Analytical Chemistry, University of Oviedo, Julian Clavería 8, 33006 Oviedo, Spain
| | - José Ignacio García Alonso
- Department of Physical and Analytical Chemistry, University of Oviedo, Julian Clavería 8, 33006 Oviedo, Spain.
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Magalhães P, Schanstra JP, Carrick E, Mischak H, Zürbig P. Urinary biomarkers for renal tract malformations. Expert Rev Proteomics 2016; 13:1121-1129. [PMID: 27791437 DOI: 10.1080/14789450.2016.1254555] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
INTRODUCTION Renal tract malformations (RTMs) are congenital anomalies of the kidneys and urinary tract, which are the major cause of end-stage renal disease in children. Using immunoassay-based approaches (ELISA, western blot), individual urinary proteins including transforming growth factor β, tumor necrosis factor and monocyte attractant proteins 1 were found to be associated to RTMs. However, only mass spectrometry (MS) based methods leading to the identification of panels of protein-based markers composed of fragments of the extracellular matrix allowed the prediction of progression of RTMs and its complications. Areas covered: In this review, we summarized relevant studies identified in "Pubmed" using the keywords "urinary biomarkers" and "proteomics" and "renal tract malformations" or "hydronephrosis" or "ureteropelvic junction obstruction" or "posterior urethral valves" or "vesicoureteral reflux". These publications represent studies on potential protein-based biomarkers, either individually or combined in panels, of RTMs in human and animal models. Expert commentary: Successful use in the clinic of these protein-based biomarkers will need to involve larger scale studies to reach sufficient power. Improved performance will potentially come from combining immunoassay- and MS-based markers.
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Affiliation(s)
- Pedro Magalhães
- a Mosaiques Diagnostics GmbH , Hannover , Germany.,b Department of Pediatric Nephrology, Hannover Medical School , Hannover , Germany
| | - Joost P Schanstra
- c Institut National de la Santé et de la Recherche Médicale (INSERM), U1048, Institute of Cardiovascular and Metabolic Disease , Toulouse , France.,d Université Toulouse III Paul-Sabatier , Toulouse , France
| | - Emma Carrick
- e BHF Glasgow Cardiovascular Research Centre , Institute of Cardiovascular and Medical Sciences, University of Glasgow , Glasgow , UK
| | - Harald Mischak
- a Mosaiques Diagnostics GmbH , Hannover , Germany.,e BHF Glasgow Cardiovascular Research Centre , Institute of Cardiovascular and Medical Sciences, University of Glasgow , Glasgow , UK
| | - Petra Zürbig
- a Mosaiques Diagnostics GmbH , Hannover , Germany
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Meo AD, Pasic MD, Yousef GM. Proteomics and peptidomics: moving toward precision medicine in urological malignancies. Oncotarget 2016; 7:52460-52474. [PMID: 27119500 PMCID: PMC5239567 DOI: 10.18632/oncotarget.8931] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Accepted: 04/16/2016] [Indexed: 12/31/2022] Open
Abstract
Urological malignancies are a major cause of morbidity and mortality worldwide. Advances in early detection, diagnosis, prognosis and prediction of treatment response can significantly improve patient care. Proteomic and peptidomic profiling studies are at the center of kidney, prostate and bladder cancer biomarker discovery and have shown great promise for improved clinical assessment. Mass spectrometry (MS) is the most widely employed method for proteomic and peptidomic analyses. A number of MS platforms have been developed to facilitate accurate identification of clinically relevant markers in various complex biological samples including tissue, urine and blood. Furthermore, protein profiling studies have been instrumental in the successful introduction of several diagnostic multimarker tests into the clinic. In this review, we will provide a brief overview of high-throughput technologies for protein and peptide based biomarker discovery. We will also examine the current state of kidney, prostate and bladder cancer biomarker research as well as review the journey toward successful clinical implementation.
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Affiliation(s)
- Ashley Di Meo
- Department of Laboratory Medicine, and The Keenan Research Centre for Biomedical Science at The Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
| | - Maria D. Pasic
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
- Department of Laboratory Medicine, St. Joseph's Health Centre, Toronto, Ontario, Canada
| | - George M. Yousef
- Department of Laboratory Medicine, and The Keenan Research Centre for Biomedical Science at The Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
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Barrera-Ocampo A, Arlt S, Matschke J, Hartmann U, Puig B, Ferrer I, Zürbig P, Glatzel M, Sepulveda-Falla D, Jahn H. Amyloid-β Precursor Protein Modulates the Sorting of Testican-1 and Contributes to Its Accumulation in Brain Tissue and Cerebrospinal Fluid from Patients with Alzheimer Disease. J Neuropathol Exp Neurol 2016; 75:903-16. [PMID: 27486134 PMCID: PMC5015660 DOI: 10.1093/jnen/nlw065] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
The mechanisms leading to amyloid-β (Aβ) accumulation in sporadic Alzheimer disease (AD) are unknown but both increased production or impaired clearance likely contribute to aggregation. To understand the potential roles of the extracellular matrix proteoglycan Testican-1 in the pathophysiology of AD, we used samples from AD patients and controls and an in vitro approach. Protein expression analysis showed increased levels of Testican-1 in frontal and temporal cortex of AD patients; histological analysis showed that Testican-1 accumulates and co-aggregates with Aβ plaques in the frontal, temporal and entorhinal cortices of AD patients. Proteomic analysis identified 10 fragments of Testican-1 in cerebrospinal fluid (CSF) from AD patients. HEK293T cells expressing human wild type or mutant Aβ precursor protein (APP) were transfected with Testican-1. The co-expression of both proteins modified the sorting of Testican-1 into the endocytic pathway leading to its transient accumulation in Golgi, which seemed to affect APP processing, as indicated by reduced Aβ40 and Aβ42 levels in APP mutant cells. In conclusion, patient data reflect a clearance impairment that may favor Aβ accumulation in AD brains and our in vitro model supports the notion that the interaction between APP and Testican-1 may be a key step in the production and aggregation of Aβ species.
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Affiliation(s)
- Alvaro Barrera-Ocampo
- From the Institute of Neuropathology (AB-O, JM, BP, MG, DS-F), Department of Psychiatry and Psychotherapy (SA, HJ), University Medical Center Hamburg-Eppendorf, Hamburg, Germany, Center for Biochemistry, Medical Faculty, University of Cologne, Cologne, Germany (UH), Institute of Neuropathology, Bellvitge University Hospital, CIBERNED, Hospitalet de Llobregat, University of Barcelona, Spain (IF), Mosaiques Diagnostics and Therapeutics AG, Hannover, Germany (PZ), and Department of Pharmaceutical Sciences, Natura Research Group, Faculty of Natural Sciences, ICESI University, Cali, Colombia (AB-O)
| | - Sönke Arlt
- From the Institute of Neuropathology (AB-O, JM, BP, MG, DS-F), Department of Psychiatry and Psychotherapy (SA, HJ), University Medical Center Hamburg-Eppendorf, Hamburg, Germany, Center for Biochemistry, Medical Faculty, University of Cologne, Cologne, Germany (UH), Institute of Neuropathology, Bellvitge University Hospital, CIBERNED, Hospitalet de Llobregat, University of Barcelona, Spain (IF), Mosaiques Diagnostics and Therapeutics AG, Hannover, Germany (PZ), and Department of Pharmaceutical Sciences, Natura Research Group, Faculty of Natural Sciences, ICESI University, Cali, Colombia (AB-O)
| | - Jakob Matschke
- From the Institute of Neuropathology (AB-O, JM, BP, MG, DS-F), Department of Psychiatry and Psychotherapy (SA, HJ), University Medical Center Hamburg-Eppendorf, Hamburg, Germany, Center for Biochemistry, Medical Faculty, University of Cologne, Cologne, Germany (UH), Institute of Neuropathology, Bellvitge University Hospital, CIBERNED, Hospitalet de Llobregat, University of Barcelona, Spain (IF), Mosaiques Diagnostics and Therapeutics AG, Hannover, Germany (PZ), and Department of Pharmaceutical Sciences, Natura Research Group, Faculty of Natural Sciences, ICESI University, Cali, Colombia (AB-O)
| | - Ursula Hartmann
- From the Institute of Neuropathology (AB-O, JM, BP, MG, DS-F), Department of Psychiatry and Psychotherapy (SA, HJ), University Medical Center Hamburg-Eppendorf, Hamburg, Germany, Center for Biochemistry, Medical Faculty, University of Cologne, Cologne, Germany (UH), Institute of Neuropathology, Bellvitge University Hospital, CIBERNED, Hospitalet de Llobregat, University of Barcelona, Spain (IF), Mosaiques Diagnostics and Therapeutics AG, Hannover, Germany (PZ), and Department of Pharmaceutical Sciences, Natura Research Group, Faculty of Natural Sciences, ICESI University, Cali, Colombia (AB-O)
| | - Berta Puig
- From the Institute of Neuropathology (AB-O, JM, BP, MG, DS-F), Department of Psychiatry and Psychotherapy (SA, HJ), University Medical Center Hamburg-Eppendorf, Hamburg, Germany, Center for Biochemistry, Medical Faculty, University of Cologne, Cologne, Germany (UH), Institute of Neuropathology, Bellvitge University Hospital, CIBERNED, Hospitalet de Llobregat, University of Barcelona, Spain (IF), Mosaiques Diagnostics and Therapeutics AG, Hannover, Germany (PZ), and Department of Pharmaceutical Sciences, Natura Research Group, Faculty of Natural Sciences, ICESI University, Cali, Colombia (AB-O)
| | - Isidre Ferrer
- From the Institute of Neuropathology (AB-O, JM, BP, MG, DS-F), Department of Psychiatry and Psychotherapy (SA, HJ), University Medical Center Hamburg-Eppendorf, Hamburg, Germany, Center for Biochemistry, Medical Faculty, University of Cologne, Cologne, Germany (UH), Institute of Neuropathology, Bellvitge University Hospital, CIBERNED, Hospitalet de Llobregat, University of Barcelona, Spain (IF), Mosaiques Diagnostics and Therapeutics AG, Hannover, Germany (PZ), and Department of Pharmaceutical Sciences, Natura Research Group, Faculty of Natural Sciences, ICESI University, Cali, Colombia (AB-O)
| | - Petra Zürbig
- From the Institute of Neuropathology (AB-O, JM, BP, MG, DS-F), Department of Psychiatry and Psychotherapy (SA, HJ), University Medical Center Hamburg-Eppendorf, Hamburg, Germany, Center for Biochemistry, Medical Faculty, University of Cologne, Cologne, Germany (UH), Institute of Neuropathology, Bellvitge University Hospital, CIBERNED, Hospitalet de Llobregat, University of Barcelona, Spain (IF), Mosaiques Diagnostics and Therapeutics AG, Hannover, Germany (PZ), and Department of Pharmaceutical Sciences, Natura Research Group, Faculty of Natural Sciences, ICESI University, Cali, Colombia (AB-O)
| | - Markus Glatzel
- From the Institute of Neuropathology (AB-O, JM, BP, MG, DS-F), Department of Psychiatry and Psychotherapy (SA, HJ), University Medical Center Hamburg-Eppendorf, Hamburg, Germany, Center for Biochemistry, Medical Faculty, University of Cologne, Cologne, Germany (UH), Institute of Neuropathology, Bellvitge University Hospital, CIBERNED, Hospitalet de Llobregat, University of Barcelona, Spain (IF), Mosaiques Diagnostics and Therapeutics AG, Hannover, Germany (PZ), and Department of Pharmaceutical Sciences, Natura Research Group, Faculty of Natural Sciences, ICESI University, Cali, Colombia (AB-O)
| | - Diego Sepulveda-Falla
- From the Institute of Neuropathology (AB-O, JM, BP, MG, DS-F), Department of Psychiatry and Psychotherapy (SA, HJ), University Medical Center Hamburg-Eppendorf, Hamburg, Germany, Center for Biochemistry, Medical Faculty, University of Cologne, Cologne, Germany (UH), Institute of Neuropathology, Bellvitge University Hospital, CIBERNED, Hospitalet de Llobregat, University of Barcelona, Spain (IF), Mosaiques Diagnostics and Therapeutics AG, Hannover, Germany (PZ), and Department of Pharmaceutical Sciences, Natura Research Group, Faculty of Natural Sciences, ICESI University, Cali, Colombia (AB-O)
| | - Holger Jahn
- From the Institute of Neuropathology (AB-O, JM, BP, MG, DS-F), Department of Psychiatry and Psychotherapy (SA, HJ), University Medical Center Hamburg-Eppendorf, Hamburg, Germany, Center for Biochemistry, Medical Faculty, University of Cologne, Cologne, Germany (UH), Institute of Neuropathology, Bellvitge University Hospital, CIBERNED, Hospitalet de Llobregat, University of Barcelona, Spain (IF), Mosaiques Diagnostics and Therapeutics AG, Hannover, Germany (PZ), and Department of Pharmaceutical Sciences, Natura Research Group, Faculty of Natural Sciences, ICESI University, Cali, Colombia (AB-O)
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von Zur Mühlen C, Koeck T, Schiffer E, Sackmann C, Zürbig P, Hilgendorf I, Reinöhl J, Rivera J, Zirlik A, Hehrlein C, Mischak H, Bode C, Peter K. Urine proteome analysis as a discovery tool in patients with deep vein thrombosis and pulmonary embolism. Proteomics Clin Appl 2016; 10:574-84. [PMID: 26898369 DOI: 10.1002/prca.201500105] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2015] [Revised: 12/15/2015] [Accepted: 02/08/2016] [Indexed: 02/03/2023]
Abstract
PURPOSE Early and accurate detection of deep vein thrombosis (DVT) is an important clinical need. Based on the hypothesis that urinary peptides may hold information on DVT in conjunction with pulmonary embolism (PE), the study was aimed at identifying such peptide biomarkers using capillary electrophoresis coupled mass spectrometry. EXPERIMENTAL DESIGN Patients with symptoms of unprovoked/idiopathic DVT and/or PE were examined by doppler-sonography or angio-computed tomography. Urinary proteome analysis allowed for identification of respective peptide biomarkers. To confirm their biological relevance, we induced PE in mice and assessed human ex vivo thrombi. RESULTS We identified 62 urinary peptides as DVT-specific biomarkers, i.e. fragments of collagen type I and a fragment of fibrinogen β-chain. The presence of fibrinogen α/β in the acute thrombus, and collagen type I and osteopontin in the older, organized thrombus was demonstrated. The classifier DVT62 established through support vector machine (SVM) modeling based on the 62 identified peptides was validated in an independent cohort of 47 subjects (six cases and 41 controls) with a sensitivity of 100% and specificity of 83%. CONCLUSIONS AND CLINICAL RELEVANCE Urine proteome analysis enabled the detection of DVT-specific peptides, which were validated in human and mouse tissue. Furthermore, it allowed for the establishment of an urinary-proteome based classifier that is relatively specific for DVT. The data provide the basis for assessment of these biomarkers in a prospective clinical study.
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Affiliation(s)
| | | | | | - Christine Sackmann
- Department of Cardiology and Angiology I, University Heart Center Freiburg, Freiburg, Germany
| | | | - Ingo Hilgendorf
- Department of Cardiology and Angiology I, University Heart Center Freiburg, Freiburg, Germany
| | - Jochen Reinöhl
- Department of Cardiology and Angiology I, University Heart Center Freiburg, Freiburg, Germany
| | - Jennifer Rivera
- Baker IDI Heart and Diabetes Institute, Melbourne, Australia
| | - Andreas Zirlik
- Department of Cardiology and Angiology I, University Heart Center Freiburg, Freiburg, Germany
| | - Christoph Hehrlein
- Department of Cardiology and Angiology I, University Heart Center Freiburg, Freiburg, Germany
| | - Harald Mischak
- Mosaiques Diagnostics GmbH, Hannover, Germany.,BHF Glasgow Cardiovascular Research, University of Glasgow, UK
| | - Christoph Bode
- Department of Cardiology and Angiology I, University Heart Center Freiburg, Freiburg, Germany
| | - Karlheinz Peter
- Baker IDI Heart and Diabetes Institute, Melbourne, Australia
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Chen Z, Kim J. Urinary proteomics and metabolomics studies to monitor bladder health and urological diseases. BMC Urol 2016; 16:11. [PMID: 27000794 PMCID: PMC4802825 DOI: 10.1186/s12894-016-0129-7] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Accepted: 03/10/2016] [Indexed: 12/16/2022] Open
Abstract
Background Assays of molecular biomarkers in urine are non-invasive compared to other body fluids and can be easily repeated. Based on the hypothesis that the secreted markers from the diseased organs may locally release into the body fluid in the vicinity of the injury, urine-based assays have been considered beneficial to monitoring bladder health and urological diseases. The urine proteome is much less complex than the serum and tissues, but nevertheless can contain biomarkers for diagnosis and prognosis of diseases. The urine metabolome has a much higher number and concentration of low-molecular metabolites than the serum or tissues, with a far lower lipid concentration, yet informs directly about dietary and microbial metabolism. Discussion We here discuss the use of mass spectrometry-based proteomics and metabolomics for urine biomarker assays, specifically with respect to the underlying mechanisms that trigger the pathological condition. Conclusion Molecular biomarker profiles, based on proteomics and metabolomics studies, reliably distinguish patients from healthy controls, stratify sub-populations with respect to treatment options, and predict therapeutic response of patients with urological disease.
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Affiliation(s)
- Zhaohui Chen
- Advanced Clinical Biosystems Research Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Jayoung Kim
- Department of Surgery, Cedars-Sinai Medical Center, 8700 Beverly Blvd, Los Angeles, CA, 90048, USA. .,Department of Biomedical Sciences, Cedars-Sinai Medical Center, 8700 Beverly Blvd, Los Angeles, CA, 90048, USA. .,Department of Medicine, University of California, Los Angeles, CA, USA.
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Implementation of CE-MS-identified proteome-based biomarker panels in drug development and patient management. Bioanalysis 2016; 8:439-55. [DOI: 10.4155/bio.16.8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The recent advancements in clinical proteomics enabled identification of biomarker panels for a large range of diseases. A number of CE-MS-identified biomarker panels were verified and implemented in clinical studies. Despite multiple challenges, accumulating evidence supports the value and the need for proteome-based biomarker panels. In this perspective, we provide an overview of clinical studies indicating the added value of CE-MS biomarker panels over traditional diagnostics and monitoring methods. We outline apparent advantages of applying novel proteomic biomarker panels for disease diagnosis, prognosis, staging, drug development and patient management. Facing the plethora of benefits associated with the use of CE-MS biomarker panels, we envision their implementation into the medical practice in the near future.
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48
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Frantzi M, Latosinska A, Merseburger AS, Mischak H. Recent progress in urinary proteome analysis for prostate cancer diagnosis and management. Expert Rev Mol Diagn 2015; 15:1539-54. [PMID: 26491818 DOI: 10.1586/14737159.2015.1104248] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Prostate cancer (PCa) is fifth leading cause of cancer-associated deaths in men worldwide. Although the application of the serum prostate-specific antigen (PSA) screening test resulted in an increase in the PCa diagnosed cases, it demonstrated a negligible benefit regarding the associated mortality. Treatment options vary, with active surveillance to be preferable for patients with low-risk PCa and therapy of advanced castration-resistant PCa to rely on α-emitters and cytotoxic chemotherapy. Although recent developments have led to the approval of novel drugs for the treatment of castration-resistant PCa, the optimal sequence and timing of medication have not been yet determined. New screening modalities could improve the discriminatory accuracy between tumors with favorable clinical prognosis. Implementation of proteomic-based biomarkers appears to be a promising improvement, which could enable a more accurate diagnosis, guide treatment and improve patient outcome. Reviewed here are urinary proteome-based approaches for detection of PCa and patient management.
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Affiliation(s)
- Maria Frantzi
- a Mosaiques diagnostics GmbH , Hannover , Germany.,b Biotechnology Division , Biomedical Research Foundation Academy of Athens , Athens , Greece
| | - Agnieszka Latosinska
- b Biotechnology Division , Biomedical Research Foundation Academy of Athens , Athens , Greece
| | | | - Harald Mischak
- a Mosaiques diagnostics GmbH , Hannover , Germany.,d Institute of Cardiovascular and Medical Sciences , University of Glasgow , Glasgow , UK
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Pejchinovski M, Klein J, Ramírez-Torres A, Bitsika V, Mermelekas G, Vlahou A, Mullen W, Mischak H, Jankowski V. Comparison of higher energy collisional dissociation and collision-induced dissociation MS/MS sequencing methods for identification of naturally occurring peptides in human urine. Proteomics Clin Appl 2015; 9:531-42. [DOI: 10.1002/prca.201400163] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2014] [Revised: 02/27/2015] [Accepted: 03/23/2015] [Indexed: 01/11/2023]
Affiliation(s)
- Martin Pejchinovski
- Charite-Universitätsmedizin Berlin; Berlin Germany
- Mosaiques Diagnostics GmbH; Hanover Germany
| | | | | | - Vasiliki Bitsika
- Biotechnology Division; Biomedical Research Foundation; Academy of Athens; Athens Greece
| | - George Mermelekas
- Biotechnology Division; Biomedical Research Foundation; Academy of Athens; Athens Greece
| | - Antonia Vlahou
- Biotechnology Division; Biomedical Research Foundation; Academy of Athens; Athens Greece
| | - 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
| | - Vera Jankowski
- Universitätsklinikum RWTH Aachen; Institute of Molecular Cardiovascular Research; Aachen Germany
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Percy AJ, Yang J, Hardie DB, Chambers AG, Tamura-Wells J, Borchers CH. Precise quantitation of 136 urinary proteins by LC/MRM-MS using stable isotope labeled peptides as internal standards for biomarker discovery and/or verification studies. Methods 2015; 81:24-33. [DOI: 10.1016/j.ymeth.2015.04.001] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Revised: 03/13/2015] [Accepted: 04/01/2015] [Indexed: 01/01/2023] Open
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