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Rainey A, McKay GJ, English J, Thakkinstian A, Maxwell AP, Corr M. Proteomic analysis investigating kidney transplantation outcomes- a scoping review. BMC Nephrol 2023; 24:346. [PMID: 37993798 PMCID: PMC10666386 DOI: 10.1186/s12882-023-03401-0] [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: 08/08/2023] [Accepted: 11/16/2023] [Indexed: 11/24/2023] Open
Abstract
BACKGROUND Kidney transplantation is the optimal treatment option for most patients with end-stage kidney disease given the significantly lower morbidity and mortality rates compared to remaining on dialysis. Rejection and graft failure remain common in transplant recipients with limited improvement in long-term transplant outcomes despite therapeutic advances. There is an unmet need in the development of non-invasive biomarkers that specifically monitor graft function and predict transplant pathologies that affect outcomes. Despite the potential of proteomic investigatory approaches, up to now, no candidate biomarkers of sufficient sensitivity or specificity have translated into clinical use. The aim of this review was to collate and summarise protein findings and protein pathways implicated in the literature to date, and potentially flag putative biomarkers worth validating in independent patient cohorts. METHODS This review followed the Joanna Briggs' Institute Methodology for a scoping review. MedlineALL, Embase, Web of Science Core Collection, Scopus and Google Scholar databases were searched from inception until December 2022. Abstract and full text review were undertaken independently by two reviewers. Data was collated using a pre-designed data extraction tool. RESULTS One hundred one articles met the inclusion criteria. The majority were single-centre retrospective studies of small sample size. Mass spectrometry was the most used technique to evaluate differentially expressed proteins between diagnostic groups and studies identified various candidate biomarkers such as immune or structural proteins. DISCUSSION Putative immune or structural protein candidate biomarkers have been identified using proteomic techniques in multiple sample types including urine, serum and fluid used to perfuse donor kidneys. The most consistent findings implicated proteins associated with tubular dysfunction and immunological regulatory pathways such as leukocyte trafficking. However, clinical translation and adoption of candidate biomarkers is limited, and these will require comprehensive evaluation in larger prospective, multicentre trials.
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Affiliation(s)
- Anna Rainey
- Centre for Public Health- Queen's University Belfast, Belfast, UK
| | - Gareth J McKay
- Centre for Public Health- Queen's University Belfast, Belfast, UK
| | - Jane English
- Department of Anatomy and Neuroscience, University College Cork, Cork, Ireland
| | - Ammarin Thakkinstian
- Department of Clinical Epidemiology and Biostatistics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | | | - Michael Corr
- Centre for Public Health- Queen's University Belfast, Belfast, UK.
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Sirolli V, Piscitani L, Bonomini M. Biomarker-Development Proteomics in Kidney Transplantation: An Updated Review. Int J Mol Sci 2023; 24:ijms24065287. [PMID: 36982359 PMCID: PMC10049725 DOI: 10.3390/ijms24065287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 02/27/2023] [Accepted: 03/08/2023] [Indexed: 03/12/2023] Open
Abstract
Kidney transplantation (KT) is the optimal therapeutic strategy for patients with end-stage renal disease. The key to post-transplantation management is careful surveillance of allograft function. Kidney injury may occur from several different causes that require different patient management approaches. However, routine clinical monitoring has several limitations and detects alterations only at a later stage of graft damage. Accurate new noninvasive biomarker molecules are clearly needed for continuous monitoring after KT in the hope that early diagnosis of allograft dysfunction will lead to an improvement in the clinical outcome. The advent of “omics sciences”, and in particular of proteomic technologies, has revolutionized medical research. Proteomic technologies allow us to achieve the identification, quantification, and functional characterization of proteins/peptides in biological samples such as urine or blood through supervised or targeted analysis. Many studies have investigated proteomic techniques as potential molecular markers discriminating among or predicting allograft outcomes. Proteomic studies in KT have explored the whole transplant process: donor, organ procurement, preservation, and posttransplant surgery. The current article reviews the most recent findings on proteomic studies in the setting of renal transplantation in order to better understand the effective potential of this new diagnostic approach.
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Affiliation(s)
- Vittorio Sirolli
- Nephrology and Dialysis Unit, Department of Medicine, G. d’Annunzio University, Chieti-Pescara, SS. Annunziata Hospital, 66013 Chieti, Italy
| | - Luca Piscitani
- Nephrology and Dialysis Unit, Department of Medicine, San Salvatore Hospital, 67100 L’Aquila, Italy
| | - Mario Bonomini
- Nephrology and Dialysis Unit, Department of Medicine, G. d’Annunzio University, Chieti-Pescara, SS. Annunziata Hospital, 66013 Chieti, Italy
- Correspondence:
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Ehlayel A, Simms KJA, Ashoor IF. Emerging monitoring technologies in kidney transplantation. Pediatr Nephrol 2021; 36:3077-3087. [PMID: 33523298 DOI: 10.1007/s00467-021-04929-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 11/22/2020] [Accepted: 01/06/2021] [Indexed: 11/27/2022]
Abstract
Non-invasive technologies to monitor kidney allograft health utilizing high-throughput assays of blood and urine specimens are emerging out of the research realm and slowly becoming part of everyday clinical practice. HLA epitope analysis and eplet mismatch score determination promise a more refined approach to the pre-transplant recipient-donor HLA matching that may lead to reduced rejection risk. High-resolution HLA typing and multiplex single antigen bead assays are identifying potential new offending HLA antibody subtypes. There is increasing recognition of the deleterious role non-HLA antibodies play in post-transplant outcomes. Donor-derived cell-free DNA detected by next-generation sequencing is a promising biomarker for kidney transplant rejection. Multi-omics techniques are shedding light on discrete genomic, transcriptomic, proteomic, and metabolomic signatures that correlate with and predict allograft outcomes. Over the next decade, a comprehensive approach to optimize kidney matching and monitor transplant recipients for acute and chronic graft dysfunction will likely involve a combination of those emerging technologies summarized in this review.
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Affiliation(s)
- Abdulla Ehlayel
- Children's Hospital New Orleans, 200 Henry Clay Ave, New Orleans, LA, 70118, USA
| | - K'joy J A Simms
- Children's Hospital New Orleans, 200 Henry Clay Ave, New Orleans, LA, 70118, USA
| | - Isa F Ashoor
- Children's Hospital New Orleans, 200 Henry Clay Ave, New Orleans, LA, 70118, USA.
- Department of Pediatrics, LSU Health New Orleans, 200 Henry Clay Ave, New Orleans, LA, 70118, USA.
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Navarrete M, Wilkins JA, Chan FV, Ye B, Nickerson P, Ho J. Phospholipase A2 group XV activity during cardiopulmonary bypass surgery. Clin Biochem 2020; 88:49-55. [PMID: 33307060 DOI: 10.1016/j.clinbiochem.2020.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 11/18/2020] [Accepted: 12/06/2020] [Indexed: 10/22/2022]
Abstract
OBJECTIVES All patients who undergo cardiopulmonary bypass (CPB) experience some degree of ischemia reperfusion injury (IRI). Severe IRI-induced acute kidney injury (AKI) occurs in approximately 1-2% of patients undergoing CPB. Previous studies using activity-based protein profiling of urine identified group XV phospholipase A2, PLA2G15/LPLA2, as potentially associated with patients who develop AKI post CPB. The present study examined urinary PLA2G15/LPLA2 activity during CPB and in the near postoperative period for associations with subsequent AKI development. DESIGN & METHODS Samples were collected in a nested case controlled cohort of 21 patients per group who either did (AKI) or did not (non-AKI) develop AKI post-operatively. Serum and urine samples from each patient before, during and after CPB were assayed for PLA2G15/LPLA2 activity. RESULTS Urine activity significantly increased during the intra operative period. In contrast the activities in paired sera were markedly decreased during CPB. There was no correlation between the serum and urine activity levels of patients. There were no significant differences in activity levels of PLA2G15/LPLA2 in the urine or sera from patients that did and did not develop AKI. CONCLUSIONS The lack of correlation between serum and urine activity levels suggests that the rapid intraoperative increases in PLA2G15/LPLA2 activity may originate from the kidney and as such offer an intraoperative indicator of early renal response to CPB associated stressors.
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Affiliation(s)
- Mario Navarrete
- Manitoba Centre for Proteomics & Systems Biology, University of Manitoba & Health Sciences Centre, Manitoba, Canada
| | - John A Wilkins
- Manitoba Centre for Proteomics & Systems Biology, University of Manitoba & Health Sciences Centre, Manitoba, Canada; Department of Internal Medicine, Section of Biomedical Proteomics, University of Manitoba, Manitoba, Canada.
| | | | - Bo Ye
- Echelon Biosciences, UT, USA
| | - Peter Nickerson
- Manitoba Centre for Proteomics & Systems Biology, University of Manitoba & Health Sciences Centre, Manitoba, Canada; Department of Internal Medicine, Section of Nephrology, University of Manitoba, Manitoba, Canada; Department of Internal Medicine, Section of Biomedical Proteomics, University of Manitoba, Manitoba, Canada; Department of Immunology, University of Manitoba, Manitoba, Canada
| | - Julie Ho
- Manitoba Centre for Proteomics & Systems Biology, University of Manitoba & Health Sciences Centre, Manitoba, Canada; Department of Internal Medicine, Section of Nephrology, University of Manitoba, Manitoba, Canada; Department of Internal Medicine, Section of Biomedical Proteomics, University of Manitoba, Manitoba, Canada; Department of Immunology, University of Manitoba, Manitoba, Canada
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Navarrete M, Korkmaz B, Guarino C, Lesner A, Lao Y, Ho J, Nickerson P, Wilkins JA. Activity-based protein profiling guided identification of urine proteinase 3 activity in subclinical rejection after renal transplantation. Clin Proteomics 2020; 17:23. [PMID: 32549867 PMCID: PMC7296916 DOI: 10.1186/s12014-020-09284-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 05/19/2020] [Indexed: 03/04/2023] Open
Abstract
Background The pathophysiology of subclinical versus clinical rejection remains incompletely understood given their equivalent histological severity but discordant graft function. The goal was to evaluate serine hydrolase enzyme activities to explore if there were any underlying differences in activities during subclinical versus clinical rejection. Methods Serine hydrolase activity-based protein profiling (ABPP) was performed on the urines of a case control cohort of patients with biopsy confirmed subclinical or clinical transplant rejection. In-gel analysis and affinity purification with mass spectrometry were used to demonstrate and identify active serine hydrolase activity. An assay for proteinase 3 (PR3/PRTN3) was adapted for the quantitation of activity in urine. Results In-gel ABPP profiles suggested increased intensity and diversity of serine hydrolase activities in urine from patients undergoing subclinical versus clinical rejection. Serine hydrolases (n = 30) were identified by mass spectrometry in subclinical and clinical rejection patients with 4 non-overlapping candidates between the two groups (i.e. ABHD14B, LTF, PR3/PRTN3 and PRSS12). Western blot and the use of a specific inhibitor confirmed the presence of active PR3/PRTN3 in samples from patients undergoing subclinical rejection. Analysis of samples from normal donors or from several serial post-transplant urines indicated that although PR3/PRTN3 activity may be highly associated with low-grade subclinical inflammation, the enzyme activity was not restricted to this patient group. Conclusions There appear to be limited qualitative and quantitative differences in serine hydrolase activity in patients with subclinical versus clinical renal transplant rejection. The majority of enzymes identified were present in samples from both groups implying that in-gel quantitative differences may largely relate to the activity status of shared enzymes. However qualitative compositional differences were also observed indicating differential activities. The PR3/PRTN3 analyses indicate that the activity status of urine in transplant patients is dynamic possibly reflecting changes in the underlying processes in the transplant. These data suggest that differential serine hydrolase pathways may be active in subclinical versus clinical rejection which requires further exploration in larger patient cohorts. Although this study focused on PR3/PRTN3, this does not preclude the possibility that other enzymes may play critical roles in the rejection process.
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Affiliation(s)
- Mario Navarrete
- Manitoba Centre for Proteomics and Systems Biology, 799 John Buhler Research Centre, 715 McDermot Ave., Winnipeg, MB R3E3P4 Canada
| | - Brice Korkmaz
- INSERM, UMR 1100, "Centre d'Etude des Pathologies Respiratoires", Université de Tours, 37032 Tours, France
| | - Carla Guarino
- INSERM, UMR 1100, "Centre d'Etude des Pathologies Respiratoires", Université de Tours, 37032 Tours, France
| | - Adam Lesner
- Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Ying Lao
- Manitoba Centre for Proteomics and Systems Biology, 799 John Buhler Research Centre, 715 McDermot Ave., Winnipeg, MB R3E3P4 Canada
| | - Julie Ho
- Manitoba Centre for Proteomics and Systems Biology, 799 John Buhler Research Centre, 715 McDermot Ave., Winnipeg, MB R3E3P4 Canada.,Section Biomedical Proteomics, Dept. Internal Medicine, University of Manitoba, Winnipeg, MB Canada.,Section of Nephrology, Dept. Internal Medicine, University of Manitoba, Winnipeg, MB Canada.,Dept. Immunology, University of Manitoba, Winnipeg, MB Canada
| | - Peter Nickerson
- Manitoba Centre for Proteomics and Systems Biology, 799 John Buhler Research Centre, 715 McDermot Ave., Winnipeg, MB R3E3P4 Canada.,Section Biomedical Proteomics, Dept. Internal Medicine, University of Manitoba, Winnipeg, MB Canada.,Section of Nephrology, Dept. Internal Medicine, University of Manitoba, Winnipeg, MB Canada.,Dept. Immunology, University of Manitoba, Winnipeg, MB Canada
| | - John A Wilkins
- Manitoba Centre for Proteomics and Systems Biology, 799 John Buhler Research Centre, 715 McDermot Ave., Winnipeg, MB R3E3P4 Canada.,Section Biomedical Proteomics, Dept. Internal Medicine, University of Manitoba, Winnipeg, MB Canada
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Mass Spectrometry for Research and Application in Therapeutic Drug Monitoring or Clinical and Forensic Toxicology. Ther Drug Monit 2018; 40:389-393. [PMID: 29750739 DOI: 10.1097/ftd.0000000000000525] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
This article reviews current applications of various hyphenated low- and high-resolution mass spectrometry techniques in the field of therapeutic drug monitoring and clinical/forensic toxicology in both research and practice. They cover gas chromatography, liquid chromatography, matrix-assisted laser desorption ionization, or paper spray ionization coupled to quadrupole, ion trap, time-of-flight, or Orbitrap mass analyzers.
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