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O'Brien DP, Thorne AM, Huang H, Pappalardo E, Yao X, Thyrrestrup PS, Ravlo K, Secher N, Norregaard R, Ploeg RJ, Jespersen B, Kessler BM. Integrative omics reveals subtle molecular perturbations following ischemic conditioning in a porcine kidney transplant model. Clin Proteomics 2022; 19:6. [PMID: 35164671 PMCID: PMC8903695 DOI: 10.1186/s12014-022-09343-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 02/03/2022] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND Remote Ischemic Conditioning (RIC) has been proposed as a therapeutic intervention to circumvent the ischemia/reperfusion injury (IRI) that is inherent to organ transplantation. Using a porcine kidney transplant model, we aimed to decipher the subclinical molecular effects of a RIC regime, compared to non-RIC controls. METHODS Kidney pairs (n = 8 + 8) were extracted from brain dead donor pigs and transplanted in juvenile recipient pigs following a period of cold ischemia. One of the two kidney recipients in each pair was subjected to RIC prior to kidney graft reperfusion, while the other served as non-RIC control. We designed an integrative Omics strategy combining transcriptomics, proteomics, and phosphoproteomics to deduce molecular signatures in kidney tissue that could be attributed to RIC. RESULTS In kidney grafts taken out 10 h after transplantation we detected minimal molecular perturbations following RIC compared to non-RIC at the transcriptome level, which was mirrored at the proteome level. In particular, we noted that RIC resulted in suppression of tissue inflammatory profiles. Furthermore, an accumulation of muscle extracellular matrix assembly proteins in kidney tissues was detected at the protein level, which may be in response to muscle tissue damage and/or fibrosis. However, the majority of these protein changes did not reach significance (p < 0.05). CONCLUSIONS Our data identifies subtle molecular phenotypes in porcine kidneys following RIC, and this knowledge could potentially aid optimization of remote ischemic conditioning protocols in renal transplantation.
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Affiliation(s)
- Darragh P O'Brien
- Target Discovery Institute, Centre for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Oxford, UK.
| | - Adam M Thorne
- Target Discovery Institute, Centre for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Oxford, UK
- Nuffield Department of Surgical Sciences and Oxford Biomedical Research Centre, University of Oxford, Oxford, UK
| | - Honglei Huang
- Target Discovery Institute, Centre for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Oxford, UK
- Nuffield Department of Surgical Sciences and Oxford Biomedical Research Centre, University of Oxford, Oxford, UK
| | - Elisa Pappalardo
- Sir William Dunn School of Pathology, University of Oxford, Oxford, UK
| | - Xuan Yao
- Target Discovery Institute, Centre for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Peter Søndergaard Thyrrestrup
- Department of Renal Medicine, Aarhus University Hospital, Aarhus, Denmark
- Department of Anaesthesiology, Aalborg University Hospital, Aalborg, Denmark
| | - Kristian Ravlo
- Department of Renal Medicine, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Niels Secher
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- Department of Anaesthesiology and Intensive Care Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - Rikke Norregaard
- Department of Renal Medicine, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Rutger J Ploeg
- Nuffield Department of Surgical Sciences and Oxford Biomedical Research Centre, University of Oxford, Oxford, UK.
| | - Bente Jespersen
- Department of Renal Medicine, Aarhus University Hospital, Aarhus, Denmark.
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.
| | - Benedikt M Kessler
- Target Discovery Institute, Centre for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Oxford, UK.
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Thorne AM, Huang H, O'Brien DP, Eijken M, Krogstrup NV, Norregaard R, Møller B, Ploeg RJ, Jespersen B, Kessler BM. Subclinical effects of remote ischaemic conditioning in human kidney transplants revealed by quantitative proteomics. Clin Proteomics 2020; 17:39. [PMID: 33292164 PMCID: PMC7607690 DOI: 10.1186/s12014-020-09301-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Accepted: 10/10/2020] [Indexed: 01/13/2023] Open
Abstract
Background Remote ischaemic conditioning (RIC) is currently being explored as a non-invasive method to attenuate ischaemia/reperfusion injuries in organs. A randomised clinical study (CONTEXT) evaluated the effects of RIC compared to non-RIC controls in human kidney transplants. Methods RIC was induced prior to kidney reperfusion by episodes of obstruction to arterial flow in the leg opposite the transplant using a tourniquet (4 × 5 min). Although RIC did not lead to clinical improvement of transplant outcomes, we explored whether RIC induced molecular changes through precision analysis of CONTEXT recipient plasma and kidney tissue samples by high-resolution tandem mass spectrometry (MS/MS). Results We observed an accumulation of muscle derived proteins and altered amino acid metabolism in kidney tissue proteomes, likely provoked by RIC, which was not reflected in plasma. In addition, MS/MS analysis demonstrated transient upregulation of several acute phase response proteins (SAA1, SAA2, CRP) in plasma, 1 and 5 days post-transplant in RIC and non-RIC conditions with a variable effect on the magnitude of acute inflammation. Conclusions Together, our results indicate sub-clinical systemic and organ-localised effects of RIC.
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Affiliation(s)
- Adam M Thorne
- Nuffield Department of Surgical Sciences and Oxford Biomedical Research Centre, University of Oxford, Oxford, UK.,Target Discovery Institute, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Honglei Huang
- Nuffield Department of Surgical Sciences and Oxford Biomedical Research Centre, University of Oxford, Oxford, UK.,Target Discovery Institute, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Darragh P O'Brien
- Target Discovery Institute, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Marco Eijken
- Department of Renal Medicine, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Nicoline Valentina Krogstrup
- Department of Renal Medicine, Aarhus University Hospital, Aarhus, Denmark.,Department of Renal Medicine, Rigshospitalet, Copenhagen, Denmark
| | - Rikke Norregaard
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Bjarne Møller
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark
| | - Rutger J Ploeg
- Nuffield Department of Surgical Sciences and Oxford Biomedical Research Centre, University of Oxford, Oxford, UK.
| | - Bente Jespersen
- Department of Renal Medicine, Aarhus University Hospital, Aarhus, Denmark. .,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.
| | - Benedikt M Kessler
- Target Discovery Institute, Nuffield Department of Medicine, University of Oxford, Oxford, UK.
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Sarhan M, Land WG, Tonnus W, Hugo CP, Linkermann A. Origin and Consequences of Necroinflammation. Physiol Rev 2018; 98:727-780. [PMID: 29465288 DOI: 10.1152/physrev.00041.2016] [Citation(s) in RCA: 131] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
When cells undergo necrotic cell death in either physiological or pathophysiological settings in vivo, they release highly immunogenic intracellular molecules and organelles into the interstitium and thereby represent the strongest known trigger of the immune system. With our increasing understanding of necrosis as a regulated and genetically determined process (RN, regulated necrosis), necrosis and necroinflammation can be pharmacologically prevented. This review discusses our current knowledge about signaling pathways of necrotic cell death as the origin of necroinflammation. Multiple pathways of RN such as necroptosis, ferroptosis, and pyroptosis have been evolutionary conserved most likely because of their differences in immunogenicity. As the consequence of necrosis, however, all necrotic cells release damage associated molecular patterns (DAMPs) that have been extensively investigated over the last two decades. Analysis of necroinflammation allows characterizing specific signatures for each particular pathway of cell death. While all RN-pathways share the release of DAMPs in general, most of them actively regulate the immune system by the additional expression and/or maturation of either pro- or anti-inflammatory cytokines/chemokines. In addition, DAMPs have been demonstrated to modulate the process of regeneration. For the purpose of better understanding of necroinflammation, we introduce a novel classification of DAMPs in this review to help detect the relative contribution of each RN-pathway to certain physiological and pathophysiological conditions.
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Affiliation(s)
- Maysa Sarhan
- Division of Nephrology and Dialysis, Department of Medicine III, Medical University Vienna , Vienna , Austria ; INSERM UMR_S 1109, Laboratory of Excellence Transplantex, University of Strasbourg , Strasbourg , France ; German Academy of Transplantation Medicine, Munich , Germany ; and Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden , Dresden , Germany
| | - Walter G Land
- Division of Nephrology and Dialysis, Department of Medicine III, Medical University Vienna , Vienna , Austria ; INSERM UMR_S 1109, Laboratory of Excellence Transplantex, University of Strasbourg , Strasbourg , France ; German Academy of Transplantation Medicine, Munich , Germany ; and Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden , Dresden , Germany
| | - Wulf Tonnus
- Division of Nephrology and Dialysis, Department of Medicine III, Medical University Vienna , Vienna , Austria ; INSERM UMR_S 1109, Laboratory of Excellence Transplantex, University of Strasbourg , Strasbourg , France ; German Academy of Transplantation Medicine, Munich , Germany ; and Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden , Dresden , Germany
| | - Christian P Hugo
- Division of Nephrology and Dialysis, Department of Medicine III, Medical University Vienna , Vienna , Austria ; INSERM UMR_S 1109, Laboratory of Excellence Transplantex, University of Strasbourg , Strasbourg , France ; German Academy of Transplantation Medicine, Munich , Germany ; and Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden , Dresden , Germany
| | - Andreas Linkermann
- Division of Nephrology and Dialysis, Department of Medicine III, Medical University Vienna , Vienna , Austria ; INSERM UMR_S 1109, Laboratory of Excellence Transplantex, University of Strasbourg , Strasbourg , France ; German Academy of Transplantation Medicine, Munich , Germany ; and Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden , Dresden , Germany
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Farooqui W, Pommergaard HC, Rasmussen A. Remote ischemic preconditioning of transplant recipients to reduce graft ischemia and reperfusion injuries: A systematic review. Transplant Rev (Orlando) 2017. [PMID: 28637593 DOI: 10.1016/j.trre.2017.06.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Solid organ transplantation is an accepted treatment for end-stage solid organ diseases. During the procedure, ischemia and reperfusion injury may affect graft and patient outcomes. Remote ischemic preconditioning (rIC) has been shown to reduce ischemia and reperfusion injury and can be performed safely. Thus, rIC may potentially improve outcomes after solid organ transplantation. Traditionally, the focus of rIC has been on the donor. However, preconditioning the recipient may be a more suitable approach in transplant settings. The current review analyzed previously published studies where rIC was performed on transplant recipients. METHODS PubMed and EMBASE databases were searched for eligible clinical and animal studies evaluating rIC of recipients. Articles were analyzed and compared qualitatively. Risk of bias was assessed using the Cochrane Collaboration's tool for interventional clinical studies and SYRCLEs risk of bias tool for animal studies. RESULTS A total of 12 studies were included. Overall, these studies were heterogeneous due to differences in populations and intervention set-up. Some of the studies suggested improvement of graft function, while other studies did not show any effect. The quality of the 12 included studies was predominantly low. CONCLUSION Due to the heterogeneity and quality of the included studies the result, that rIC may be beneficial in transplantation of some organs, should be interpreted with caution. The result must be confirmed by further clinical studies.
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Affiliation(s)
- Waqas Farooqui
- Department of Surgery, Nordsjællands Hospital, Dyrehavevej 29, 3400 Hillerød, Denmark.
| | - Hans Christian Pommergaard
- Department of Surgical Gastroenterology and Transplantation, Abdominal Centre, Rigshospitalet, Blegdamsvej 9, 2100 Købehnavn Ø, Denmark
| | - Allan Rasmussen
- Department of Surgical Gastroenterology and Transplantation, Abdominal Centre, Rigshospitalet, Blegdamsvej 9, 2100 Købehnavn Ø, Denmark
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Land WG, Agostinis P, Gasser S, Garg AD, Linkermann A. Transplantation and Damage-Associated Molecular Patterns (DAMPs). Am J Transplant 2016; 16:3338-3361. [PMID: 27421829 DOI: 10.1111/ajt.13963] [Citation(s) in RCA: 107] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Revised: 06/24/2016] [Accepted: 07/10/2016] [Indexed: 01/25/2023]
Abstract
Upon solid organ transplantation and during cancer immunotherapy, cellular stress responses result in the release of damage-associated molecular patterns (DAMPs). The various cellular stresses have been characterized in detail over the last decades, but a unifying classification based on clinically important aspects is lacking. Here, we provide an in-depth review of the most recent literature along with a unifying concept of the danger/injury model, suggest a classification of DAMPs, and review the recently elaborated mechanisms that result in the emission of such factors. We further point out the differences in DAMP responses including the release following a heat shock pattern, endoplasmic reticulum stress, DNA damage-mediated DAMP release, and discuss the diverse pathways of regulated necrosis in this respect. The understanding of various forms of DAMPs and the consequences of their different release patterns are prerequisite to associate serum markers of cellular stresses with clinical outcomes.
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Affiliation(s)
- W G Land
- German Academy of Transplantation Medicine, Munich, Germany.,Laboratoire d'ImmunoRhumatologie Moléculaire, INSERM UMR_S1109, Plateforme GENOMAX, Faculté de Médecine, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, Strasbourg, France.,LabexTRANSPLANTEX, Faculté de Médecine, Université de Strasbourg, Strasbourg, France
| | - P Agostinis
- Cell Death Research and Therapy (CDRT) Lab, Department of Cellular and Molecular Medicine, KU Leuven, University of Leuven, Leuven, Belgium
| | - S Gasser
- Immunology Programme and Department of Microbiology and Immunology, Centre for Life Sciences, National University of Singapore, Singapore, Singapore
| | - A D Garg
- Cell Death Research and Therapy (CDRT) Lab, Department of Cellular and Molecular Medicine, KU Leuven, University of Leuven, Leuven, Belgium
| | - A Linkermann
- Cluster of Excellence EXC306, Inflammation at Interfaces, Schleswig-Holstein, Germany.,Clinic for Nephrology and Hypertension, Christian-Albrechts-University, Kiel, Germany
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Kierulf-Lassen C, Nieuwenhuijs-Moeke GJ, Krogstrup NV, Oltean M, Jespersen B, Dor FJMF. Molecular Mechanisms of Renal Ischemic Conditioning Strategies. Eur Surg Res 2015; 55:151-83. [PMID: 26330099 DOI: 10.1159/000437352] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2015] [Accepted: 07/02/2015] [Indexed: 11/19/2022]
Abstract
Ischemia-reperfusion injury is the leading cause of acute kidney injury in a variety of clinical settings such as renal transplantation and hypovolemic and/or septic shock. Strategies to reduce ischemia-reperfusion injury are obviously clinically relevant. Ischemic conditioning is an inherent part of the renal defense mechanism against ischemia and can be triggered by short periods of intermittent ischemia and reperfusion. Understanding the signaling transduction pathways of renal ischemic conditioning can promote further clinical translation and pharmacological advancements in this era. This review summarizes research on the molecular mechanisms underlying both local and remote ischemic pre-, per- and postconditioning of the kidney. The different types of conditioning strategies in the kidney recruit similar powerful pro-survival mechanisms. Likewise, renal ischemic conditioning mobilizes many of the same protective signaling pathways as in other organs, but differences are recognized.
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Hunter JP, Hosgood SA, Barlow AD, Nicholson ML. Ischaemic conditioning reduces kidney injury in an experimental large-animal model of warm renal ischaemia. Br J Surg 2015; 102:1517-25. [PMID: 26263908 DOI: 10.1002/bjs.9909] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2014] [Revised: 01/20/2015] [Accepted: 07/01/2015] [Indexed: 11/06/2022]
Abstract
BACKGROUND Ischaemic conditioning, using short repeated sequences of intermittent ischaemia, is a strategy that may ameliorate ischaemia-reperfusion injury. The aim of the study was to assess the effects of direct and remote ischaemic conditioning in a porcine model of renal warm ischaemia-reperfusion injury. METHODS Pigs (50 kg) underwent laparotomy and 60-min occlusion of the left renal pedicle followed by right nephrectomy. Animals were divided into three groups: untreated controls (n = 8); direct postconditioning involving six 15-s cycles of clamping then releasing of the left renal artery (n = 7); or remote periconditioning involving four 5-min cycles of clamping then releasing of the left common iliac artery (n = 8). After 7 days kidney tissue was harvested, and blood and urine samples were collected on postoperative days 1, 3 and 7. RESULTS The direct postconditioning group had a lower area under the serum creatinine curve (mean(s.d.) 1378(157) versus 2001(1022) µmol/l · day respectively; P = 0.036) and peak creatinine level (316(46) versus 501(253) µmol/l respectively; P = 0.033) compared with values in control animals. There was a significant increase in serum levels of tumour necrosis factor α on day 1 in control animals but not in the conditioning groups (P = 0.013). Urinary levels of neutrophil gelatinase-associated lipocalin increased over the study period in both the control and remote groups (P = 0.001 for both), but not in the direct group (P = 0.176). There was no mortality and no complications related to either conditioning technique. CONCLUSION In this in vivo large-animal model, direct renal artery ischaemic postconditioning protected kidneys against warm ischaemia injury. This straightforward technique could readily be translated into clinical practice. Surgical relevance Ischaemic conditioning has been shown to improve outcomes in both experimental studies and clinical trials in cardiac surgery. Evidence from small-animal and human studies assessing ischaemic conditioning techniques in renal transplantation have not yet established the optimal technique and timing of conditioning. In this study, a large-animal model of renal warm ischaemia was used to compare different conditioning techniques. Postconditioning applied directly to the renal artery was shown to reduce renal injury. Furthermore, new evidence is provided that shorter cycles of ischaemic postconditioning than previously described can protect against renal injury. Evidence from a large-animal model is provided for different conditioning techniques. The beneficial postconditioning technique described is straightforward to perform and provides an alternative method of conditioning following renal transplantation, with potential for application in clinical practice.
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Affiliation(s)
- J P Hunter
- Transplant Group, Department of Infection, Immunity and Inflammation, University of Leicester, Leicester General Hospital, Gwendolen Road, Leicester LE5 4PW, UK
| | - S A Hosgood
- Transplant Group, Department of Infection, Immunity and Inflammation, University of Leicester, Leicester General Hospital, Gwendolen Road, Leicester LE5 4PW, UK
| | - A D Barlow
- Transplant Group, Department of Infection, Immunity and Inflammation, University of Leicester, Leicester General Hospital, Gwendolen Road, Leicester LE5 4PW, UK
| | - M L Nicholson
- Transplant Group, Department of Infection, Immunity and Inflammation, University of Leicester, Leicester General Hospital, Gwendolen Road, Leicester LE5 4PW, UK
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