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Ahmed S, de Vries JC, Lu J, Stuart MHV, Mihăilă SM, Vernooij RWM, Masereeuw R, Gerritsen KGF. Animal Models for Studying Protein-Bound Uremic Toxin Removal-A Systematic Review. Int J Mol Sci 2023; 24:13197. [PMID: 37686004 PMCID: PMC10487432 DOI: 10.3390/ijms241713197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 08/18/2023] [Accepted: 08/23/2023] [Indexed: 09/10/2023] Open
Abstract
Protein-bound uremic toxins (PBUTs) are associated with the progression of chronic kidney disease (CKD) and its associated morbidity and mortality. The conventional dialysis techniques are unable to efficiently remove PBUTs due to their plasma protein binding. Therefore, novel approaches are being developed, but these require validation in animals before clinical trials can begin. We conducted a systematic review to document PBUT concentrations in various models and species. The search strategy returned 1163 results for which abstracts were screened, resulting in 65 full-text papers for data extraction (rats (n = 41), mice (n = 17), dogs (n = 3), cats (n = 4), goats (n = 1), and pigs (n = 1)). We performed descriptive and comparative analyses on indoxyl sulfate (IS) concentrations in rats and mice. The data on large animals and on other PBUTs were too heterogeneous for pooled analysis. Most rodent studies reported mean uremic concentrations of plasma IS close to or within the range of those during kidney failure in humans, with the highest in tubular injury models in rats. Compared to nephron loss models in rats, a greater rise in plasma IS compared to creatinine was found in tubular injury models, suggesting tubular secretion was more affected than glomerular filtration. In summary, tubular injury rat models may be most relevant for the in vivo validation of novel PBUT-lowering strategies for kidney failure in humans.
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Affiliation(s)
- Sabbir Ahmed
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands; (S.A.); (J.L.); (S.M.M.); (R.M.)
| | - Joost C. de Vries
- Department of Nephrology and Hypertension, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands; (J.C.d.V.); (M.H.V.S.); (R.W.M.V.)
| | - Jingyi Lu
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands; (S.A.); (J.L.); (S.M.M.); (R.M.)
| | - Milan H. Verrijn Stuart
- Department of Nephrology and Hypertension, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands; (J.C.d.V.); (M.H.V.S.); (R.W.M.V.)
| | - Silvia M. Mihăilă
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands; (S.A.); (J.L.); (S.M.M.); (R.M.)
| | - Robin W. M. Vernooij
- Department of Nephrology and Hypertension, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands; (J.C.d.V.); (M.H.V.S.); (R.W.M.V.)
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, 3584 CX Utrecht, The Netherlands
| | - Rosalinde Masereeuw
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands; (S.A.); (J.L.); (S.M.M.); (R.M.)
| | - Karin G. F. Gerritsen
- Department of Nephrology and Hypertension, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands; (J.C.d.V.); (M.H.V.S.); (R.W.M.V.)
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de Vries JC, van Gelder MK, Monninkhof AS, Ahmed S, Hazenbrink DHM, Nguyen TQ, de Kort GAP, Vonken EJPA, Vaessen KRD, Joles JA, Verhaar MC, Gerritsen KGF. A Uremic Pig Model for Peritoneal Dialysis. Toxins (Basel) 2022; 14:toxins14090635. [PMID: 36136573 PMCID: PMC9503030 DOI: 10.3390/toxins14090635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 08/31/2022] [Accepted: 09/08/2022] [Indexed: 11/16/2022] Open
Abstract
With increasing interest in home dialysis, there is a need for a translational uremic large animal model to evaluate technical innovations in peritoneal dialysis (PD). To this end, we developed a porcine model with kidney failure. Stable chronic kidney injury was induced by bilateral subtotal renal artery embolization. Before applying PD, temporary aggravation of uremia was induced by administration of gentamicin (10 mg/kg i.v. twice daily for 7 days), to obtain uremic solute levels within the range of those of dialysis patients. Peritoneal transport was assessed using a standard peritoneal permeability assessment (SPA). After embolization, urea and creatinine concentrations transiently increased from 1.6 ± 0.3 to 7.5 ± 1.2 mM and from 103 ± 14 to 338 ± 67 µM, respectively, followed by stabilization within 1–2 weeks to 2.5 ± 1.1 mM and 174 ± 28 µM, respectively. Gentamicin induced temporary acute-on-chronic kidney injury with peak urea and creatinine concentrations of 16.7 ± 5.3 mM and 932 ± 470 µM respectively. PD was successfully applied, although frequently complicated by peritonitis. SPA showed a low transport status (D/P creatinine at 4 h of 0.41 (0.36–0.53)) with a mass transfer area coefficient of 9.6 ± 3.1, 4.6 ± 2.6, 3.4 ± 2.3 mL/min for urea, creatinine, and phosphate respectively. In conclusion, this porcine model with on-demand aggravation of uremia is suitable for PD albeit with peritoneal transport characterized by a low transport status.
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Affiliation(s)
- Joost C. de Vries
- Department of Nephrology and Hypertension, University Medical Centre Utrecht, 3508 GA Utrecht, The Netherlands
| | - Maaike K. van Gelder
- Department of Nephrology and Hypertension, University Medical Centre Utrecht, 3508 GA Utrecht, The Netherlands
| | - Anneke S. Monninkhof
- Department of Nephrology and Hypertension, University Medical Centre Utrecht, 3508 GA Utrecht, The Netherlands
| | - Sabbir Ahmed
- Department of Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands
| | - Diënty H. M. Hazenbrink
- Department of Nephrology and Hypertension, University Medical Centre Utrecht, 3508 GA Utrecht, The Netherlands
| | - Tri Q. Nguyen
- Department of Pathology, University Medical Centre Utrecht, 3508 GA Utrecht, The Netherlands
| | - Gèrard A. P. de Kort
- Department of Radiology, University Medical Centre Utrecht, 3508 GA Utrecht, The Netherlands
| | - Evert-Jan P. A. Vonken
- Department of Radiology, University Medical Centre Utrecht, 3508 GA Utrecht, The Netherlands
| | - Koen R. D. Vaessen
- Central Laboratory Animal Research Facility, Utrecht University, 3584 CJ Utrecht, The Netherlands
| | - Jaap A. Joles
- Department of Nephrology and Hypertension, University Medical Centre Utrecht, 3508 GA Utrecht, The Netherlands
| | - Marianne C. Verhaar
- Department of Nephrology and Hypertension, University Medical Centre Utrecht, 3508 GA Utrecht, The Netherlands
| | - Karin G. F. Gerritsen
- Department of Nephrology and Hypertension, University Medical Centre Utrecht, 3508 GA Utrecht, The Netherlands
- Correspondence: ; Tel.: +31-88-755-7329
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de Vries JC, van Gelder MK, Cappelli G, Bajo Rubio MA, Verhaar MC, Gerritsen KGF. Evidence on continuous flow peritoneal dialysis: A review. Semin Dial 2022; 35:481-497. [PMID: 35650168 PMCID: PMC9796292 DOI: 10.1111/sdi.13097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 05/03/2022] [Accepted: 05/05/2022] [Indexed: 01/01/2023]
Abstract
Clinical application of continuous flow peritoneal dialysis (CFPD) has been explored since the 1960s, but despite anticipated clinical benefits, CFPD has failed to gain a foothold in clinical practice, among others due to the typical use of two catheters (or a dual-lumen catheter) and large dialysate volumes required per treatment. Novel systems applying CFPD via the existing single-lumen catheter using rapid dialysate cycling may solve one of these hurdles. Novel on-demand peritoneal dialysate generation systems and sorbent-based peritoneal dialysate regeneration systems may considerably reduce the storage space for peritoneal dialysate and/or the required dialysate volume. This review provides an overview of current evidence on CFPD in vivo. The available (pre)clinical evidence on CFPD is limited to case reports/series with inherently nonuniform study procedures, or studies with a small sample size, short follow-up, and no hard endpoints. Small solute clearance appears to be higher in CFPD compared to conventional PD, in particular at dialysate flows ≥100 mL/min using two single-lumen catheters or a double-lumen catheter. Results of CFPD using rapid cycling via a single-lumen catheter are too preliminary to draw any conclusions. Continuous addition of glucose to dialysate with CFPD appears to be effective in reducing the maximum intraperitoneal glucose concentration while increasing ultrafiltration efficiency (mL/g absorbed glucose). Patient tolerance may be an issue since abdominal discomfort and sterile peritonitis were reported with continuous circulation of the peritoneal dialysate. Thus, well-designed clinical trials of longer duration and larger sample size, in particular applying CFPD via the existing catheter, are urgently required.
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Affiliation(s)
- Joost C. de Vries
- Department of Nephrology and HypertensionUniversity Medical Centre UtrechtUtrechtThe Netherlands
| | - Maaike K. van Gelder
- Department of Nephrology and HypertensionUniversity Medical Centre UtrechtUtrechtThe Netherlands
| | - Gianni Cappelli
- Surgical, Medical, Dental, Morphology Sciences, Transplant, Oncology and Regenerative Medicine Department, Division of NephrologyUniversity of Modena and Reggio EmiliaModenaItaly
| | - Maria A. Bajo Rubio
- Nephrology Service, Hospital Universitario La Paz, Institute for Health Research (IdiPAZ), IRSIN, REDinRENMadridSpain
| | - Marianne C. Verhaar
- Department of Nephrology and HypertensionUniversity Medical Centre UtrechtUtrechtThe Netherlands
| | - Karin G. F. Gerritsen
- Department of Nephrology and HypertensionUniversity Medical Centre UtrechtUtrechtThe Netherlands
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van Gelder MK, de Vries JC, Simonis F, Monninkhof AS, Hazenbrink DHM, Ligabue G, Giovanella S, Joles JA, Verhaar MC, Bajo Rubio MA, Selgas R, Cappelli G, Gerritsen KGF. Evaluation of a system for sorbent-assisted peritoneal dialysis in a uremic pig model. Physiol Rep 2020; 8:e14593. [PMID: 33278069 PMCID: PMC7718839 DOI: 10.14814/phy2.14593] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 08/12/2020] [Indexed: 12/29/2022] Open
Abstract
A system for sorbent-assisted peritoneal dialysis (SAPD) has been developed that continuously recirculates dialysate via a tidal mode using a single-lumen peritoneal catheter with the regeneration of spent dialysate by means of sorbents. SAPD treatment may improve plasma clearance by the maintenance of a high plasma-to-dialysate concentration gradient and by increasing the mass transfer area coefficient (MTAC) of solutes. The system is designed for daily 8-hr treatment (12 kg, nighttime system). A wearable system (2.3 kg, daytime system) may further enhance the clearance of phosphate and organic waste solutes during the day. Uremic pigs (n = 3) were treated with the day- (n = 3) and nighttime system (n = 15) for 4-8 hr per treatment. Plasma clearance (Cl), MTAC, and total mass transport (MT) of urea, creatinine, phosphate, and potassium were compared with a static dwell (n = 28). Cl, MTAC, and MT of urea, creatinine, phosphate, and potassium were low in the pig as compared to humans due to the pig's low peritoneal transport status and could be enhanced only to a limited extent by SAPD treatment compared with a static dwell (nighttime system: Cl urea: ×1.5 (p = .029), Cl creatinine: ×1.7 (p = .054), Cl phosphate: ×1.5 (p = .158), Cl potassium: ×1.6 (p = .011); daytime system: Cl creatinine: ×2.7 (p = .040), Cl phosphate: ×2.2 (p = .039)). Sorbent-assisted peritoneal dialysis treatment in a uremic pig model is safe and enhances small solute clearance as compared to a static dwell. Future studies in humans or animal species with higher peritoneal transport should elucidate whether our SAPD system enhances clearance to a clinically relevant extent as compared to conventional PD.
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Affiliation(s)
- Maaike K van Gelder
- Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Joost C de Vries
- Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
| | | | - Anneke S Monninkhof
- Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Diënty H M Hazenbrink
- Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Giulia Ligabue
- Surgical, Medical, Dental, Morphology Sciences, Transplant, Oncology and Regenerative Medicine Department, Division of Nephrology, University of Modena and Reggio Emilia, Modena, Italy
| | - Silvia Giovanella
- Surgical, Medical, Dental, Morphology Sciences, Transplant, Oncology and Regenerative Medicine Department, Division of Nephrology, University of Modena and Reggio Emilia, Modena, Italy
| | - Jaap A Joles
- Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Marianne C Verhaar
- Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Maria A Bajo Rubio
- Nephrology Service, Hospital Universitario La Paz. Institute for Health Research (IdiPAZ), IRSIN, REDinREN, Madrid, Spain
| | - Rafael Selgas
- Nephrology Service, Hospital Universitario La Paz. Institute for Health Research (IdiPAZ), IRSIN, REDinREN, Madrid, Spain
| | - Gianni Cappelli
- Surgical, Medical, Dental, Morphology Sciences, Transplant, Oncology and Regenerative Medicine Department, Division of Nephrology, University of Modena and Reggio Emilia, Modena, Italy
| | - Karin G F Gerritsen
- Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
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de Vries JC, Barendrecht AD, Clark CC, Urbanus RT, Boross P, de Maat S, Maas C. Heparin Forms Polymers with Cell-free DNA Which Elongate Under Shear in Flowing Blood. Sci Rep 2019; 9:18316. [PMID: 31797980 PMCID: PMC6892814 DOI: 10.1038/s41598-019-54818-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 11/19/2019] [Indexed: 11/10/2022] Open
Abstract
Heparin is a widely used anticoagulant which inhibits factor Xa and thrombin through potentiation of antithrombin. We recently identified that the nucleic acid stain SYTOX reacts with platelet polyphosphate due to molecular similarities, some of which are shared by heparin. We attempted to study heparin in flowing blood by live-cell fluorescence microscopy, using SYTOX for heparin visualisation. Immunostaining was performed with monoclonal antibodies directed against various heparin-binding proteins. In addition, we studied modulation of heparin activity in coagulation assays, as well its effects on fibrin formation under flow in recalcified whole blood. We found that SYTOX-positive polymers appear in heparinised blood under flow. These polymers typically associate with platelet aggregates and their length (reversibly) increases with shear rate. Immunostaining revealed that of the heparin-binding proteins assessed, they only contain histones. In coagulation assays and flow studies on fibrin formation, we found that addition of exogenous histones reverses the anticoagulant effects of heparin. Furthermore, the polymers do not appear in the presence of DNase I, heparinase I/III, or the heparin antidote protamine. These findings suggest that heparin forms polymeric complexes with cell-free DNA in whole blood through a currently unidentified mechanism.
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Affiliation(s)
- Joost C de Vries
- Department of Clinical Chemistry & Haematology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Arjan D Barendrecht
- Department of Clinical Chemistry & Haematology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Chantal C Clark
- Department of Clinical Chemistry & Haematology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Rolf T Urbanus
- Department of Clinical Chemistry & Haematology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Peter Boross
- Immunotherapy Laboratory, Laboratory for Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Steven de Maat
- Department of Clinical Chemistry & Haematology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Coen Maas
- Department of Clinical Chemistry & Haematology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands.
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Oortgiesen BE, Azad R, Hemmelder MH, Kibbelaar RE, Veeger NJGM, de Vries JC, van Roon EN, Hoogendoorn M. The impact of the introduction of bortezomib on dialysis independence in multiple myeloma patients with renal impairment: a nationwide Dutch population-based study. Haematologica 2018; 103:e311-e314. [PMID: 29545339 DOI: 10.3324/haematol.2017.184754] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Affiliation(s)
- Berdien E Oortgiesen
- Department of Clinical Pharmacy and Pharmacology, Medical Center Leeuwarden, the Netherlands
| | - Roshna Azad
- Department of Clinical Pharmacy and Pharmacology, Medical Center Leeuwarden, the Netherlands
| | - Marc H Hemmelder
- Department of Nephrology, Medical Center Leeuwarden, the Netherlands
| | - Robby E Kibbelaar
- Department of Pathology, Pathology Friesland, Leeuwarden, the Netherlands
| | - Nic J G M Veeger
- Department of Epidemiology, MCL Academy, Leeuwarden, the Netherlands.,Department of Epidemiology, University of Groningen, University Medical Center Groningen, the Netherlands
| | - Joost C de Vries
- Department of Hematology, Medical Center Leeuwarden, the Netherlands
| | - Eric N van Roon
- Unit of Pharmacotherapy, Epidemiology and Economics, Department of Pharmacy, University of Groningen, the Netherlands
| | - Mels Hoogendoorn
- Department of Hematology, Medical Center Leeuwarden, the Netherlands
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de Vries JC, Oortgiesen B, Hemmelder MH, van Roon E, Kibbelaar RE, Veeger N, Hoogendoorn M. Restoration of renal function in patients with newly diagnosed multiple myeloma is not associated with improved survival: a population-based study. Leuk Lymphoma 2017; 58:1-9. [DOI: 10.1080/10428194.2016.1277385] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Joost C. de Vries
- Department of Hematology, Medical Centre Leeuwarden, Leeuwarden, The Netherlands
| | - Berdien Oortgiesen
- Department of Clinical Pharmacy & Pharmacology, Medical Center Leeuwarden, Leeuwarden, The Netherlands
| | - Marc H. Hemmelder
- Department of Nephrology, Medical Centre Leeuwarden, Leeuwarden, The Netherlands
| | - Eric van Roon
- Department of Clinical Pharmacy & Pharmacology, Medical Center Leeuwarden, Leeuwarden, The Netherlands
| | - Robby E. Kibbelaar
- Department of Pathology, Pathology Friesland, Leeuwarden, The Netherlands
| | - Nic Veeger
- Department of Epidemiology, MCL Academy, Leeuwarden, The Netherlands
| | - Mels Hoogendoorn
- Department of Hematology, Medical Centre Leeuwarden, Leeuwarden, The Netherlands
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