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Daniel-Fischer L, Sobieszek IJ, Wagner A, Sacnun JM, Watschinger B, Aufricht C, Kratochwill K, Herzog R. In-Depth Analysis of the Extracorporeal Proteome Adsorbed to Dialysis Membranes during Hemodialysis. MEMBRANES 2022; 12:1120. [PMID: 36363675 PMCID: PMC9695746 DOI: 10.3390/membranes12111120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 10/31/2022] [Accepted: 11/03/2022] [Indexed: 06/16/2023]
Abstract
Used hemodialysis membranes (HD-M) are a valuable reservoir of biological information. Proteins bind to HD-M, but whether this process depends on the type of membrane or patient factors or selectively affects specific protein classes has not been adequately elucidated. State-of-the-art proteomics techniques are capable of identifying and quantifying this therapy-specific subproteome to enable the analysis of disease- or membrane-induced pathophysiologies. We demonstrate the feasibility of the deep proteomic characterization of the extracorporeal proteome adsorbed to HD-M. A shotgun proteomics approach using nano-flow liquid chromatography coupled to mass-spectrometry identified 1648 unique proteins eluted by a chaotropic buffer from the HD-M of eight patients. In total, 995 proteins were present in all eluates; a more stringent approach showed that a core proteome of 310 proteins could be identified independently in all samples. Stability of the dialyzer proteome was demonstrated by a >90% re-identification rate on longitudinal samples of a single patient. The core proteome showed an overrepresentation of pathways of hemostasis and the immune system, and showed differences in membrane materials (polysulfone vs. helixone). This study demonstrates that optimized conditions combined with high-performance proteomics enable the in-depth exploration of the subproteome bound to HD-M, yielding a stable core proteome that can be exploited to study patient-specific factors and improve hemodialysis therapy.
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Affiliation(s)
- Lisa Daniel-Fischer
- Division of Pediatric Nephrology and Gastroenterology, Department of Pediatrics and Adolescent Medicine, Comprehensive Center for Pediatrics, Medical University of Vienna, 1090 Vienna, Austria
- Christian Doppler Laboratory for Molecular Stress Research in Peritoneal Dialysis, Medical University of Vienna, 1090 Vienna, Austria
| | - Isabel J. Sobieszek
- Division of Pediatric Nephrology and Gastroenterology, Department of Pediatrics and Adolescent Medicine, Comprehensive Center for Pediatrics, Medical University of Vienna, 1090 Vienna, Austria
- Christian Doppler Laboratory for Molecular Stress Research in Peritoneal Dialysis, Medical University of Vienna, 1090 Vienna, Austria
| | - Anja Wagner
- Division of Pediatric Nephrology and Gastroenterology, Department of Pediatrics and Adolescent Medicine, Comprehensive Center for Pediatrics, Medical University of Vienna, 1090 Vienna, Austria
- Christian Doppler Laboratory for Molecular Stress Research in Peritoneal Dialysis, Medical University of Vienna, 1090 Vienna, Austria
| | - Juan Manuel Sacnun
- Division of Pediatric Nephrology and Gastroenterology, Department of Pediatrics and Adolescent Medicine, Comprehensive Center for Pediatrics, Medical University of Vienna, 1090 Vienna, Austria
- Christian Doppler Laboratory for Molecular Stress Research in Peritoneal Dialysis, Medical University of Vienna, 1090 Vienna, Austria
| | - Bruno Watschinger
- Division of Nephrology and Dialysis, Department of Inner Medicine III, Medical University of Vienna, 1090 Vienna, Austria
| | - Christoph Aufricht
- Division of Pediatric Nephrology and Gastroenterology, Department of Pediatrics and Adolescent Medicine, Comprehensive Center for Pediatrics, Medical University of Vienna, 1090 Vienna, Austria
| | - Klaus Kratochwill
- Division of Pediatric Nephrology and Gastroenterology, Department of Pediatrics and Adolescent Medicine, Comprehensive Center for Pediatrics, Medical University of Vienna, 1090 Vienna, Austria
- Christian Doppler Laboratory for Molecular Stress Research in Peritoneal Dialysis, Medical University of Vienna, 1090 Vienna, Austria
| | - Rebecca Herzog
- Division of Pediatric Nephrology and Gastroenterology, Department of Pediatrics and Adolescent Medicine, Comprehensive Center for Pediatrics, Medical University of Vienna, 1090 Vienna, Austria
- Christian Doppler Laboratory for Molecular Stress Research in Peritoneal Dialysis, Medical University of Vienna, 1090 Vienna, Austria
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The Impact of Chronic Kidney Disease on Nutritional Status and Its Possible Relation with Oral Diseases. Nutrients 2022; 14:nu14102002. [PMID: 35631140 PMCID: PMC9143067 DOI: 10.3390/nu14102002] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 05/02/2022] [Accepted: 05/07/2022] [Indexed: 02/01/2023] Open
Abstract
Several studies have demonstrated a strong relation between periodontal diseases and chronic kidney disease (CKD). The main mechanisms at the base of this link are malnutrition, vitamin dysregulation, especially of B-group vitamins and of C and D vitamins, oxidative stress, metabolic acidosis and low-grade inflammation. In particular, in hemodialysis (HD) adult patients, an impairment of nutritional status has been observed, induced not only by the HD procedures themselves, but also due to numerous CKD-related comorbidities. The alteration of nutritional assessment induces systemic manifestations that have repercussions on oral health, like oral microbiota dysbiosis, slow healing of wounds related to hypovitaminosis C, and an alteration of the supporting bone structures of the oral cavity related to metabolic acidosis and vitamin D deficiency. Low-grade inflammation has been observed to characterize periodontal diseases locally and, in a systemic manner, CKD contributes to the amplification of the pathological process, bidirectionally. Therefore, CKD and oral disease patients should be managed by a multidisciplinary professional team that can evaluate the possible co-presence of these two pathological conditions, that negatively influence each other, and set up therapeutic strategies to treat them. Once these patients have been identified, they should be included in a follow-up program, characterized by periodic checks in order to manage these pathological conditions.
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Bonomini M, Piscitani L, Di Liberato L, Sirolli V. Biocompatibility of Surface-Modified Membranes for Chronic Hemodialysis Therapy. Biomedicines 2022; 10:biomedicines10040844. [PMID: 35453594 PMCID: PMC9025662 DOI: 10.3390/biomedicines10040844] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 03/30/2022] [Accepted: 04/01/2022] [Indexed: 02/06/2023] Open
Abstract
Hemodialysis is a life-sustaining therapy for millions of people worldwide. However, despite considerable technical and scientific improvements, results are still not fully satisfactory in terms of morbidity and mortality. The membrane contained in the hemodialyzer is undoubtedly the main determinant of the success and quality of hemodialysis therapy. Membrane properties influence solute removal and the interactions with blood components that define the membrane’s biocompatibility. Bioincompatibility is considered a potential contributor to several uremic complications. Thus, the development of more biocompatible polymers used as hemodialyzer membrane is of utmost importance for improving results and clinical patient outcomes. Many different surface-modified membranes for hemodialysis have been manufactured over recent years by varying approaches in the attempt to minimize blood incompatibility. Their main characteristics and clinical results in hemodialysis patients were reviewed in the present article.
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Affiliation(s)
- Mario Bonomini
- Nephrology and Dialysis Unit, Department of Medicine, G. d’Annunzio University, Chieti-Pescara, SS. Annunziata Hospital, Via dei Vestini, 66013 Chieti, Italy; (L.D.L.); (V.S.)
- Correspondence:
| | - Luca Piscitani
- Nephrology and Dialysis Unit, Department of Medicine, San Salvatore Hospital, Via Vetoio, 67100 L’Aquila, Italy;
| | - Lorenzo Di Liberato
- Nephrology and Dialysis Unit, Department of Medicine, G. d’Annunzio University, Chieti-Pescara, SS. Annunziata Hospital, Via dei Vestini, 66013 Chieti, Italy; (L.D.L.); (V.S.)
| | - Vittorio Sirolli
- Nephrology and Dialysis Unit, Department of Medicine, G. d’Annunzio University, Chieti-Pescara, SS. Annunziata Hospital, Via dei Vestini, 66013 Chieti, Italy; (L.D.L.); (V.S.)
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Bottoni P, Pontoglio A, Scarà S, Pieroni L, Urbani A, Scatena R. Mitochondrial Respiratory Complexes as Targets of Drugs: The PPAR Agonist Example. Cells 2022; 11:cells11071169. [PMID: 35406733 PMCID: PMC8997591 DOI: 10.3390/cells11071169] [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: 01/12/2022] [Revised: 03/17/2022] [Accepted: 03/24/2022] [Indexed: 12/02/2022] Open
Abstract
Mitochondrial bioenergetics are progressively acquiring significant pathophysiological roles. Specifically, mitochondria in general and Electron Respiratory Chain in particular are gaining importance as unintentional targets of different drugs. The so-called PPAR ligands are a class of drugs which not only link and activate Peroxisome Proliferator-Activated Receptors but also show a myriad of extrareceptorial activities as well. In particular, they were shown to inhibit NADH coenzyme Q reductase. However, the molecular picture of this intriguing bioenergetic derangement has not yet been well defined. Using high resolution respirometry, both in permeabilized and intact HepG2 cells, and a proteomic approach, the mitochondrial bioenergetic damage induced by various PPAR ligands was evaluated. Results show a derangement of mitochondrial oxidative metabolism more complex than one related to a simple perturbation of complex I. In fact, a partial inhibition of mitochondrial NADH oxidation seems to be associated not only with hampered ATP synthesis but also with a significant reduction in respiratory control ratio, spare respiratory capacity, coupling efficiency and, last but not least, serious oxidative stress and structural damage to mitochondria.
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Affiliation(s)
- Patrizia Bottoni
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy; (A.P.); (S.S.); (A.U.); (R.S.)
- Correspondence:
| | - Alessandro Pontoglio
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy; (A.P.); (S.S.); (A.U.); (R.S.)
| | - Salvatore Scarà
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy; (A.P.); (S.S.); (A.U.); (R.S.)
| | | | - Andrea Urbani
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy; (A.P.); (S.S.); (A.U.); (R.S.)
- Dipartimento di Medicina di Laboratorio, Fondazione Policlinico Gemelli, Largo Agostino Gemelli 8, 00168 Rome, Italy
| | - Roberto Scatena
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy; (A.P.); (S.S.); (A.U.); (R.S.)
- Dipartimento di Medicina di Laboratorio, Madre Giuseppina Vannini Hospital, Via di Acqua Bullicante 4, 00177 Rome, Italy
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Zaman SU, Saif-Ur-Rehman, Zaman MKU, Rafiq S, Arshad A, Khurram MS, Irfan M, Saqib S, Muhammad N, Irfan M, Sharif F, Bustam MA, Jamal M, Khan MA, Waseem MA, Mukhtar A, Wajeeh S. Fabrication and performance evaluation of polymeric membrane using blood compatible hydroxyapatite for artificial kidney application. Artif Organs 2021; 45:1377-1390. [PMID: 34152645 DOI: 10.1111/aor.14020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 05/22/2021] [Accepted: 06/08/2021] [Indexed: 12/15/2022]
Abstract
In the current study, a phase inversion scheme was employed to fabricate hydroxyapatite (HA)/polysulfone (PSF)-based asymmetric membranes using a film applicator with water as a solvent and nonsolvent exchanging medium. Fourier Transform Infrared (FTIR) and X-ray diffraction (XRD) spectroscopic studies were conducted to confirm the bonding chemistry and purity of filler. The inherent thick nature of PSF generated sponge-like shape while the instantaneous demixing process produced finger-like pore networks in HA/PSF-based asymmetric membranes as exhibited by scanning electron microscope (SEM) micrographs. The FTIR spectra confirmed noncovalent weak attractions toward the polymer surface. The leaching ratio was evaluated to observe the dispersion behavior of HA filler in membrane composition. Hydrophilicity, pore profile, pure water permeation (PWP) flux, and molecular weight cutoff (MWCO) values of all formulated membranes were also calculated. Antifouling results revealed that HA modified PSF membranes exhibited 43% less adhesion of bovine serum albumin (BSA) together with >86% recovery of flux. Membrane composition showed 74% total resistance, out of which 60% was reversible resistance. Biocompatibility evaluation revealed that the modified membranes exhibited prothrombin time (PT), and thrombin time (TT) comparable with typical blood plasma, whereas proliferation of living cells over membrane surface proved its nontoxic behavior toward biomedical application. The urea and creatinine showed effective adsorption aptitude toward HA loaded PSF membranes.
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Affiliation(s)
- Shafiq Uz Zaman
- Department of Chemical Engineering, COMSATS University Islamabad, Lahore Campus, Lahore, Punjab, Pakistan
| | - Saif-Ur-Rehman
- Department of Chemical Engineering, COMSATS University Islamabad, Lahore Campus, Lahore, Punjab, Pakistan.,Interdisciplinary Research Center in Biomedical Materials, COMSATS University Islamabad, Lahore Campus, Lahore, Punjab, Pakistan
| | | | - Sikander Rafiq
- Department of Chemical Engineering, COMSATS University Islamabad, Lahore Campus, Lahore, Punjab, Pakistan.,Department of Chemical Polymer and Composite Materials Engineering, University of Engineering and Technology Lahore, Lahore, Pakistan
| | - Amber Arshad
- Department of Community Medicine, King Edward University, Lahore, Pakistan
| | - Muhammad Shahzad Khurram
- Department of Chemical Engineering, COMSATS University Islamabad, Lahore Campus, Lahore, Punjab, Pakistan
| | - Muhammad Irfan
- Interdisciplinary Research Center in Biomedical Materials, COMSATS University Islamabad, Lahore Campus, Lahore, Punjab, Pakistan
| | - Sidra Saqib
- Department of Chemical Engineering, COMSATS University Islamabad, Lahore Campus, Lahore, Punjab, Pakistan
| | - Nawshad Muhammad
- Department of Dental Materials, Institute of Basic Medical Sciences, Khyber Medical University, Peshawar, Pakistan
| | - Masooma Irfan
- Department of Chemistry, COMSATS University Islamabad, Lahore Campus, Lahore, Punjab, Pakistan
| | - Faiza Sharif
- Interdisciplinary Research Center in Biomedical Materials, COMSATS University Islamabad, Lahore Campus, Lahore, Punjab, Pakistan
| | - Mohamad Azmi Bustam
- Department of Chemical Engineering, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, Perak, Malaysia
| | - Muddasar Jamal
- Department of Chemical Engineering, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, Perak, Malaysia
| | - Muhammad Asad Khan
- Department of Community Medicine, Nishtar Medical University, Multan, Punjab, Pakistan
| | | | - Ahmad Mukhtar
- Department of Chemical Engineering, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, Perak, Malaysia
| | - Salman Wajeeh
- Department of Chemistry, University of Gujrat, Punjab, Pakistan
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Gomez M, Bañon-Maneus E, Arias-Guillén M, Fontseré N, Broseta JJ, Ojeda R, Maduell F. Distinct Solute Removal Patterns by Similar Surface High-Flux Membranes in Haemodiafiltration: The Adsorption Point of View. Blood Purif 2021; 51:38-46. [PMID: 33789268 DOI: 10.1159/000514936] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Accepted: 02/01/2021] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Haemodialysis (HD) allow depuration of uraemic toxins by diffusion, convection, and adsorption. Online haemodiafiltration (HDF) treatments add high convection to enhance removal. There are no prior studies on the relationship between convection and adsorption in HD membranes. The possible benefits conferred by intrinsic adsorption on protein-bound uraemic toxins (PBUTs) removal are unknown. METHODS Twenty-two patients underwent their second 3-days per week HD sessions with randomly selected haemodialysers (polysulfone, polymethylmethacrylate, cellulose triacetate, and polyamide copolymer) in high-flux HD and HDF. Blood samples were taken at the beginning and at the end of the treatment to assess the reduction ratio (RR) in a wide range of molecular weight uraemic toxins. A mid-range removal score (GRS) was also calculated. An elution protocol was implemented to quantify the amount of adsorbed mass (Mads) for each molecule in every dialyser. RESULTS All synthetic membranes achieved higher RR for all toxins when used in HDF, specially the polysulfone haemodialyser, resulting in a GRS = 0.66 ± 0.06 (p < 0.001 vs. cellulose triacetate and polyamide membranes). Adsorption was slightly enhanced by convection for all membranes. The polymethylmethacrylate membrane showed expected substantial adsorption of β2-microglobulin (MadsHDF = 3.5 ± 2.1 mg vs. MadsHD = 2.1 ± 0.9 mg, p = 0.511), whereas total protein adsorption was pronounced in the cellulose triacetate membrane (MadsHDF = 427.2 ± 207.9 mg vs. MadsHD = 274.7 ± 138.3 mg, p = 0.586) without enhanced PBUT removal. DISCUSSION/CONCLUSION Convection improves removal and slightly increases adsorption. Adsorbed proteins do not lead to enhanced PBUTs depuration and limit membrane efficiency due to fouling. Selection of the correct membrane for convective therapies is mandatory to optimize removal efficiency.
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Affiliation(s)
- Miquel Gomez
- Laboratori Experimental de Nefrologia i Trasplantament (LENIT), Fundacio Clínic per la Recerca Biomedica (FCRB), Hospital Clínic de Barcelona, Barcelona, Spain
| | - Elisenda Bañon-Maneus
- Laboratori Experimental de Nefrologia i Trasplantament (LENIT), Fundacio Clínic per la Recerca Biomedica (FCRB), Hospital Clínic de Barcelona, Barcelona, Spain
- Red de Investigación Renal (REDINREN), Madrid, Spain
| | | | - Néstor Fontseré
- Department of Nephrology, Hospital Clinic de Barcelona, Barcelona, Spain
| | - José Jesús Broseta
- Department of Nephrology, Hospital Clinic de Barcelona, Barcelona, Spain
| | - Raquel Ojeda
- Department of Nephrology, Hospital Clinic de Barcelona, Barcelona, Spain
| | - Francisco Maduell
- Department of Nephrology, Hospital Clinic de Barcelona, Barcelona, Spain
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Westphalen H, Abdelrasoul A, Shoker A, Zhu N. Assessment of hemodialysis clinical practices using polyaryl ether sulfone-polyvinylpyrrolidone (PAES: PVP) clinical membrane: Modeling of in vitro fibrinogen adsorption, in situ synchrotron-based imaging, and clinical inflammatory biomarkers investigations. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.118136] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Gomez M, Bañon-Maneus E, Arias-Guillén M, Maduell F. Assessment of removal and adsorption enhancement of high-flux hemodialyzers in convective therapies by a novel in vitro uremic matrix. Sci Rep 2020; 10:17403. [PMID: 33060805 PMCID: PMC7562951 DOI: 10.1038/s41598-020-74528-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 09/24/2020] [Indexed: 11/08/2022] Open
Abstract
Adsorption properties of hemodialyzers are traditionally retrieved from diffusive treatments and mainly focused on inflammatory markers and plasma proteins. The possible depurative enhancement of middle and high molecular weight solutes, as well as protein-bound uremic toxins by adsorption in convective treatments, is not yet reported. We used discarded plasma exchanges from uremic patients and out-of-date erythrocytes as a novel in vitro uremic precursor matrix to assess removal and adsorption patterns of distinct material and structure but similar surface hemodialyzers in hemodialysis and on-line hemodiafiltration treatments. We further related the obtained results to the possible underlying membrane pore blocking mechanisms. Convection improved removal but slightly enhanced adsorption in the cellulosic and synthetic dialyzers tested. The polymethylmethacrylate hemodialyzer obtained the highest extracted ([Formula: see text]) and adsorbed ([Formula: see text]) mass values when submitted to hemodiafiltration for all molecules analyzed including albumin ([Formula: see text] g, [Formula: see text] mg), whereas the polyamide membrane obtained substantial lower results even for this molecule ([Formula: see text] g, [Formula: see text] mg) under the same treatment parameters. Hemodiafiltration in symmetric and enlarged pore hemodialyzers enhances removal and adsorption by internal pore deposition (intermediate pore-blocking) for middle and high molecular weight toxins but leads to substantial and deleterious albumin depuration.
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Affiliation(s)
- Miquel Gomez
- Laboratori Experimental de Nefrologia i Trasplantament (LENIT), Fundació Clínic per la Recerca Biomédica (FCRB), Hospital Clínic de Barcelona, Barcelona, Spain.
| | - Elisenda Bañon-Maneus
- Laboratori Experimental de Nefrologia i Trasplantament (LENIT), Fundació Clínic per la Recerca Biomédica (FCRB), Hospital Clínic de Barcelona, Barcelona, Spain
- Red de Investigación Renal (REDINREN), Madrid, Spain
| | | | - Francisco Maduell
- Department of Nephrology, Hospital Clínic de Barcelona, Barcelona, Spain
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Wagner S, Zschätzsch S, Erlenkoetter A, Rauber L, Stauss-Grabo M, Gauly A. Hemocompatibility of Polysulfone Hemodialyzers – Exploratory Studies on Impact of Treatment Modality and Dialyzer Characteristics. ACTA ACUST UNITED AC 2020; 1:25-35. [DOI: 10.34067/kid.0000342019] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Accepted: 12/04/2019] [Indexed: 01/02/2023]
Abstract
BackgroundThe hemocompatibility of dialyzers for extracorporeal kidney replacement therapy (KRT) is of importance to minimize harmful reactions between blood constituents and the membrane. We investigated in these exploratory studies the hemocompatibility profile of several types of polysulfone dialyzers.MethodsHemocompatibility of various high-flux polysulfone dialyzers were compared in two consecutive, prospective, randomized, crossover studies, each including 24 adult patients being at least 3 months on hemodialysis (HD) or on-line hemodiafiltration (HDF). These dialyzers, differing in membrane type, fiber geometry, sterilization method, and production technology, were each applied for 1 week in HD or HDF. Hemocompatibility was assessed through markers of complement activation, cell activation, coagulation, contact activation, and immunologic reactions.ResultsThe patients in the two studies were on average 67±11 and 68±11 years old, 75% and 67% were male, and were on KRT for 5.4±5.0 and 4.4±3.6 years. The complement factors C3a and C5a increased early and transiently during treatment, less so with HDF than with HD, and with dialyzers combining wider inner fiber diameter (210 versus 185 µm) and advanced membrane type (Helixone plus versus Helixone). sC5b-9 increased in all study phases, reaching its highest level after 60 minutes, with lower values over the entire treatment (area under the curve) for HDF than HD, and for wider inner fiber diameter and advanced membrane type. Leukocytes decreased in the first 10 minutes, without significant differences between dialyzers. PMN elastase increased in the first hour, more so with HD than HDF. Thrombocytes decreased slightly in the first 30 minutes, with differences only between HDF and HD mode. IL-8 decreased from pre- to postdialysis, particularly on HDF. No differences were observed for kallikrein, IgE, and hsCRP.ConclusionsIn these explorative studies we found indications to a comparable hemocompatibility profile of the investigated dialyzers. We observed distinctions in compounds between HDF and HD and for some dialyzer and membrane characteristics.
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Watanabe S, Morita M, Hirabayashi N, Yoshida T. Milky fluid elicited by cellulose triacetate membrane dialyzer, hyperlipidemia, and elevated C-reactive protein. Ren Fail 2020; 42:302-303. [PMID: 32312120 PMCID: PMC7191897 DOI: 10.1080/0886022x.2020.1744450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Shingo Watanabe
- Medical Engineering Center, Keio University Hospital, Tokyo, Japan
| | - Masanori Morita
- Medical Engineering Center, Keio University Hospital, Tokyo, Japan
| | | | - Tadashi Yoshida
- Apheresis and Dialysis Center, Keio University School of Medicine, Tokyo, Japan
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Tagaya M, Okano S, Murataka T, Handa H, Ichikawa S, Takahashi S. Biocompatibility of a polymer-coated membrane possessing a hydrophilic blood-contacting layer: Adsorption-related assessment. Int J Artif Organs 2019; 43:405-410. [PMID: 31875413 DOI: 10.1177/0391398819895525] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE Currently, the foreign surfaces of extracorporeal circulation devices are coated with an acrylate-based copolymer that creates a hydrophilic blood-contacting layer to enhance biocompatibility. Several reports of acrylate-based copolymer with respect to biocompatibility have been published; however, the adsorption of peptide compounds on acrylate-based copolymer-coated membranes still requires clarity. In this study, we aimed to understand the adsorption of several peptide compounds of various molecular weights, including albumin, lysozyme, and vancomycin, on acrylate-based copolymer-coated membranes using in vitro studies. METHODS Six experimental circuits consisting of acrylate-based copolymer-coated tubes and membranes, and six comprising acrylate-based copolymer-coated tubes and non-coated membranes were prepared for comparison. An experimental solution, composed of albumin, lysozyme, vancomycin, and saline, was continuously stirred in a reservoir, recirculated in each experimental circuit, and then filtered. Concentrations of albumin, lysozyme, and vancomycin were measured after 0, 15, 30, 45, 60, 90, and 120 min of recirculation. Similar experiments were performed in all the prepared circuits. RESULTS The ratio of measured values at each time point to those at 0 min was not significantly different between acrylate-based copolymer-coated and non-coated membranes for albumin and lysozyme, but differed significantly for vancomycin; the ratios were higher in acrylate-based copolymer-coated than in non-coated membranes. CONCLUSION This study suggests that albumin is not adsorbed on either acrylate-based copolymer-coated or non-coated membranes, that lysozyme is not adsorbed on either membrane or is adsorbed at a similar rate on both membranes, and that vancomycin is less adsorbed on acrylate-based copolymer-coated membranes. Thus, acrylate-based copolymer coating could inhibit the adsorption of various peptide compounds.
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Affiliation(s)
- Masashi Tagaya
- Department of Medical Engineering, National Hospital Organization Kure Medical Center and Chugoku Cancer Center, Kure, Japan
| | - Shinya Okano
- Department of Medical Engineering, National Hospital Organization Kure Medical Center and Chugoku Cancer Center, Kure, Japan
| | - Takuo Murataka
- Department of Medical Engineering, National Hospital Organization Kure Medical Center and Chugoku Cancer Center, Kure, Japan
| | - Hiroki Handa
- Department of Medical Engineering, National Hospital Organization Kure Medical Center and Chugoku Cancer Center, Kure, Japan
| | - Shunsuke Ichikawa
- Department of Medical Engineering, National Hospital Organization Kure Medical Center and Chugoku Cancer Center, Kure, Japan
| | - Shunsuke Takahashi
- Department of Nephrology, National Hospital Organization Kure Medical Center and Chugoku Cancer Center, Kure, Japan
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Mansur S, Othman MHD, Ismail AF, Kadir SHSA, Goh PS, Hasbullah H, Ng BC, Abdullah MS, Kamal F, Abidin MNZ, Lusiana RA. Synthesis and characterisation of composite sulphonated polyurethane/polyethersulphone membrane for blood purification application. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 99:491-504. [PMID: 30889724 DOI: 10.1016/j.msec.2019.01.092] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2018] [Revised: 01/18/2019] [Accepted: 01/20/2019] [Indexed: 11/26/2022]
Abstract
Polyurethane (PU) with three different functional groups: carboxyl, hydroxyl and sulphonyl group on its molecular structure were synthesised in this work. The synthesised material suppresses blood clotting and exhibits anticoagulant characteristics due to the presence of the important anionic groups. The synthesised PU was blended with polyethersulphone (PES) and fabricated into flat-sheet membrane to study the physico-chemical and biocompatibility properties of the PES membrane for blood purification application. PES-PU flat-sheet membranes were fabricated via the dry-wet phase separation technique. Different loading of PU (0, 1, 2, 3, 4, and 5%) blended with PES was studied and compared. Based on the in-vitro biocompatibility analysis of the membrane, it can be suggested that the membrane incorporated with PU has better anticoagulant properties compared to the pristine PES membrane. PU incorporation prolonged the clotting time, decreased the formation of thrombin, decreased soluble complement component 3a (C3a) generation and suppressed platelet adhesion and aggregation. The anionic groups on the membrane surface might bind to coagulation factors (antithrombin) and the calcium ions, Ca2+ and thus improve anticoagulant ability. Based on both physico-chemical and in-vitro studied, 4% loading of PU is the optimum loading for incorporation with PES membrane. These results suggested that the blended PES-PU membranes with good haemocompatibility allowed practical application in the field of blood purification.
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Affiliation(s)
- Sumarni Mansur
- Advanced Membrane Technology Research Centre (AMTEC), School of Chemical and Energy Engineering (SCEE), Universiti Teknologi Malaysia, 81310 UTM Skudai, Johor, Malaysia
| | - Mohd Hafiz Dzarfan Othman
- Advanced Membrane Technology Research Centre (AMTEC), School of Chemical and Energy Engineering (SCEE), Universiti Teknologi Malaysia, 81310 UTM Skudai, Johor, Malaysia.
| | - Ahmad Fauzi Ismail
- Advanced Membrane Technology Research Centre (AMTEC), School of Chemical and Energy Engineering (SCEE), Universiti Teknologi Malaysia, 81310 UTM Skudai, Johor, Malaysia
| | - Siti Hamimah Sheikh Abdul Kadir
- Institute of Molecular Medicine and Biotechnology, Faculty of Medicine, Universiti Teknologi Mara Sungai Buloh Campus, Jalan Hospital, 47000 Sungai Buloh, Selangor, Malaysia
| | - Pei Sean Goh
- Advanced Membrane Technology Research Centre (AMTEC), School of Chemical and Energy Engineering (SCEE), Universiti Teknologi Malaysia, 81310 UTM Skudai, Johor, Malaysia
| | - Hasrinah Hasbullah
- Advanced Membrane Technology Research Centre (AMTEC), School of Chemical and Energy Engineering (SCEE), Universiti Teknologi Malaysia, 81310 UTM Skudai, Johor, Malaysia
| | - Be Cheer Ng
- Advanced Membrane Technology Research Centre (AMTEC), School of Chemical and Energy Engineering (SCEE), Universiti Teknologi Malaysia, 81310 UTM Skudai, Johor, Malaysia
| | - Mohd Sohaimi Abdullah
- Advanced Membrane Technology Research Centre (AMTEC), School of Chemical and Energy Engineering (SCEE), Universiti Teknologi Malaysia, 81310 UTM Skudai, Johor, Malaysia
| | - Fatmawati Kamal
- Institute of Molecular Medicine and Biotechnology, Faculty of Medicine, Universiti Teknologi Mara Sungai Buloh Campus, Jalan Hospital, 47000 Sungai Buloh, Selangor, Malaysia
| | - Muhammad Nidzhom Zainol Abidin
- Advanced Membrane Technology Research Centre (AMTEC), School of Chemical and Energy Engineering (SCEE), Universiti Teknologi Malaysia, 81310 UTM Skudai, Johor, Malaysia
| | - Retno Ariadi Lusiana
- Department of Chemistry, Faculty of Science and Mathematics, Universitas Diponegoro, Jalan.Prof. Soedarto, S.H.Tembalang, Tembalang, Kota Semarang, Jawa Tengah 50275, Indonesia
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Kratochwill K. The Extracorporeal Proteome-The Significance of Selective Protein Removal During Dialysis Therapy. Proteomics Clin Appl 2018; 12:e1800078. [PMID: 30138539 PMCID: PMC6282710 DOI: 10.1002/prca.201800078] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Indexed: 11/22/2022]
Abstract
Dialysis as renal replacement therapy aims excess water and waste solutes from the uremic patient while retaining proteins in the plasma. Irrespective of the dialysis modality, hemodialysis (HD) or peritoneal dialysis (PD), the amount and composition of proteins that are removed are important determinants of the biocompatibility of the therapy. Although hemodialysis membranes would ideally be biologically inert filtration tubes, they are known to adsorb proteins. The part of the plasma proteome that is thereby removed during every dialysis session may be regarded as the extracorporeal proteome, which has to be kept in balance with the plasma proteome, regarding the individual proteins' biological roles and activation states. In a recent study, Ronci et al. (Proteomics Clin. Appl. 2018, e1700140) comprehensively compare two hemodialyzer membrane materials by shotgun LC-MS proteomic analysis of adsorbed proteins and ultrafiltrates from four HD patients. While pathway analysis is an attractive tool to compare different proteomes on an abstract level, some challenges remain regarding the adaptation for such tools for special proteomes and the interpretation of relative changes compared absolute changes regarding their biological importance in dialysis techniques. In summary, selective protein removal may represent a yet unexploited therapeutic opportunity if the "right" proteins are removed from the blood.
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Affiliation(s)
- Klaus Kratochwill
- Department of Pediatrics and Adolescent MedicineDivision of Pediatric Nephrology and GastroenterologyChristian Doppler Laboratory for Molecular Stress Research in Peritoneal DialysisMedical University of ViennaViennaAustria
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14
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Körtge A, Wild T, Heskamp B, Folk M, Mitzner S, Wasserkort R. Thrombogenicity and long-term cytokine removal capability of a novel asymmetric triacetate membrane hemofilter. J Artif Organs 2018; 21:435-442. [PMID: 30039457 DOI: 10.1007/s10047-018-1062-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Accepted: 07/12/2018] [Indexed: 12/13/2022]
Abstract
Hemofilters applied in continuous renal replacement therapies (CRRTs) for the treatment of acute kidney injury must meet high standards in biocompatibility and permeability for middle and large molecules over extended treatment times. In general, cellulose-based membranes exhibit good biocompatibility and low fouling, and thus appear to be beneficial for CRRT. In this in vitro study, we compared a novel asymmetric cellulose triacetate (ATA) membrane with three synthetic membranes [polysulfone (PS), polyethersulfone (PES), and polyethylenimine-treated acrylonitrile/sodium methallyl sulfonate copolymer (AN69 ST)] regarding thrombogenicity and cytokine removal. For thrombogenicity assessment, we analyzed the thrombin-antithrombin complex (TAT) generation in human whole blood during 5 h recirculation and filtration. Sieving coefficients of interleukin-6 (IL-6), IL-8, IL-10, and tumor necrosis factor-alpha (TNF-α) were determined using human plasma as test fluid. ATA and AN69 ST membrane permeability were determined also during long-term experiments (48.5 h). ATA exhibited the lowest TAT generation (6.3 µg/L at 5 h), while AN69 ST induced a pronounced concentration increase (152.1 µg/L) and filter clogging during 4 out of 5 experiments. ATA (IL-8: 1.053; IL-6: 1.079; IL-10: 0.898; TNF-α: 0.493) and PES (0.973; 0.846; 0.468; 0.303) had the highest sieving coefficients, while PS (0.697; 0.100; 0.014; 0.012) and AN69 ST (N/A; 0.717; 0; 0.063) exhibited lower permeability. Long-term experiments revealed stronger fouling of the AN69 ST compared to the ATA membrane. We observed the highest permeability for the tested cytokines, the lowest thrombogenicity, and the lowest fouling with the ATA membrane. In CRRT, these factors may lead to increased therapy efficacy and lower incidence of coagulation-associated events.
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Affiliation(s)
- Andreas Körtge
- Extracorporeal Immunomodulation Unit, Fraunhofer Institute for Cell Therapy and Immunology, Schillingallee 68, Room 1.06, 18057, Rostock, Germany.
| | - Thomas Wild
- Extracorporeal Immunomodulation Unit, Fraunhofer Institute for Cell Therapy and Immunology, Schillingallee 68, Room 1.06, 18057, Rostock, Germany
| | - Benjamin Heskamp
- Extracorporeal Immunomodulation Unit, Fraunhofer Institute for Cell Therapy and Immunology, Schillingallee 68, Room 1.06, 18057, Rostock, Germany
| | - Manuel Folk
- Extracorporeal Immunomodulation Unit, Fraunhofer Institute for Cell Therapy and Immunology, Schillingallee 68, Room 1.06, 18057, Rostock, Germany
| | - Steffen Mitzner
- Extracorporeal Immunomodulation Unit, Fraunhofer Institute for Cell Therapy and Immunology, Schillingallee 68, Room 1.06, 18057, Rostock, Germany.,Division of Nephrology, Centre for Internal Medicine, University Medicine Rostock, Rostock, Germany
| | - Reinhold Wasserkort
- Extracorporeal Immunomodulation Unit, Fraunhofer Institute for Cell Therapy and Immunology, Schillingallee 68, Room 1.06, 18057, Rostock, Germany
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15
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Plasma Protein Carbonylation in Haemodialysed Patients: Focus on Diabetes and Gender. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:4149681. [PMID: 30057679 PMCID: PMC6051011 DOI: 10.1155/2018/4149681] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Accepted: 04/30/2018] [Indexed: 12/14/2022]
Abstract
Patients with end-stage renal disease (ESRD) undergoing haemodialysis (HD) experience oxidative/carbonyl stress, which is postulated to increase after the HD session. The influence of diabetes mellitus and sex on oxidation of plasma proteins in ESRD has not yet been clarified despite that diabetic nephropathy is the most common cause of ESRD in developed and developing countries and despite the increasingly emerging differences between males and females in epidemiology, pathophysiology, clinical manifestations, and outcomes for several diseases. Therefore, this study aimed to evaluate the possible effect of type 2 diabetes mellitus, gender, and dialysis filter on plasma level of protein carbonyls (PCO) in ESRD patients at the beginning and at the end of a single HD session. Results show that mean post-HD plasma PCO levels are significantly higher than mean pre-HD plasma PCO levels and that the type of dialysis filter and dialysis technique are unrelated to plasma PCO levels. The mean level of plasma PCO after a HD session increases slightly but significantly in nondiabetic ESRD patients compared to diabetic ones, whereas it increases more markedly in women than in men. These novel findings suggest that women with ESRD are more susceptible than men to oxidative/carbonyl stress induced by HD.
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16
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Ronci M, Leporini L, Felaco P, Sirolli V, Pieroni L, Greco V, Aceto A, Urbani A, Bonomini M. Proteomic Characterization of a New asymmetric Cellulose Triacetate Membrane for Hemodialysis. Proteomics Clin Appl 2018; 12:e1700140. [PMID: 29808585 DOI: 10.1002/prca.201700140] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 04/27/2018] [Indexed: 12/24/2022]
Abstract
PURPOSE The artificial membrane inside the haemodialyzer is the main determinant of the quality and success of haemodialysis therapy. The performances of haemodialysis membranes are highly influenced by the interactions with plasma proteins, which in turn are related to the physical and chemical characteristics of the membrane material. The present cross-over study is aimed to analyse the haemodialysis performance of a newly developed asymmetric cellulose triacetate membrane (ATA) in comparison to the conventional parent symmetric polymer (CTA). EXPERIMENTAL DESIGN In four chronic non diabetic haemodialysis patients, the protein constituents of the adsorbed material from the filters after the haemodialysis session, and the proteins recovered in the ultrafiltrate during the session, are identified using a bottom-up shotgun proteomics approach. RESULTS The ATA membrane shows a lower protein adsorption rate and a lower mass distribution pattern of the proteinaceous material. CONCLUSIONS AND CLINICAL RELEVANCE By highlighting the differences between the two haemodialysis filters in terms of adsorbed proteins and flow through, it is demonstrated the higher biocompatibility of the novel ATA membrane, that fulfils the indications for the development of more performant membranes and may represent a step forward for the treatment of patients on chronic haemodialysis.
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Affiliation(s)
- Maurizio Ronci
- Department of Medical, Oral and Biotechnological Sciences, University "G. D'Annunzio" of Chieti-Pescara, Chieti 66100, Italy.,IRCCS-Santa Lucia Foundation, Rome 00144, Italy
| | - Lidia Leporini
- Department of Pharmacy, University "G. D'Annunzio" of Chieti-Pescara, Chieti 66100, Italy
| | - Paolo Felaco
- Department of Medicine and Aging Sciences, University "G. D'Annunzio" of Chieti-Pescara, Chieti 66100, Italy
| | - Vittorio Sirolli
- Department of Medicine and Aging Sciences, University "G. D'Annunzio" of Chieti-Pescara, Chieti 66100, Italy
| | | | | | - Antonio Aceto
- Department of Medical, Oral and Biotechnological Sciences, University "G. D'Annunzio" of Chieti-Pescara, Chieti 66100, Italy
| | - Andrea Urbani
- IRCCS-Santa Lucia Foundation, Rome 00144, Italy.,Institute of Biochemistry and Clinical Biochemistry, School of Medicine, Catholic University, Rome 00144, Italy
| | - Mario Bonomini
- Department of Medicine and Aging Sciences, University "G. D'Annunzio" of Chieti-Pescara, Chieti 66100, Italy
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17
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Othman Z, Cillero Pastor B, van Rijt S, Habibovic P. Understanding interactions between biomaterials and biological systems using proteomics. Biomaterials 2018; 167:191-204. [PMID: 29571054 DOI: 10.1016/j.biomaterials.2018.03.020] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2017] [Revised: 03/02/2018] [Accepted: 03/12/2018] [Indexed: 12/22/2022]
Abstract
The role that biomaterials play in the clinical treatment of damaged organs and tissues is changing. While biomaterials used in permanent medical devices were required to passively take over the function of a damaged tissue in the long term, current biomaterials are expected to trigger and harness the self-regenerative potential of the body in situ and then to degrade, the foundation of regenerative medicine. To meet these different requirements, it is imperative to fully understand the interactions biomaterials have with biological systems, in space and in time. This knowledge will lead to a better understanding of the regenerative capabilities of biomaterials aiding their design with improved functionalities (e.g. biocompatibility, bioactivity). Proteins play a pivotal role in the interaction between biomaterials and cells or tissues. Protein adsorption on the material surface is the very first event of this interaction, which is determinant for the subsequent processes of cell growth, differentiation, and extracellular matrix formation. Against this background, the aim of the current review is to provide insight in the current knowledge of the role of proteins in cell-biomaterial and tissue-biomaterial interactions. In particular, the focus is on proteomics studies, mainly using mass spectrometry, and the knowledge they have generated on protein adsorption of biomaterials, protein production by cells cultured on materials, safety and efficacy of new materials based on nanoparticles and the analysis of extracellular matrices and extracellular matrix-derived products. In the outlook, the potential and limitations of this approach are discussed and mass spectrometry imaging is presented as a powerful technique that complements existing mass spectrometry techniques by providing spatial molecular information about the material-biological system interactions.
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Affiliation(s)
- Ziryan Othman
- MERLN Institute for Technology-Inspired Regenerative Medicine, Department of Instructive Biomaterials Engineering, Maastricht University, Universiteitssingel 40, 6229 ER Maastricht, The Netherlands
| | - Berta Cillero Pastor
- The Maastricht Multimodal Molecular Imaging Institute (M4I), Division of Imaging Mass Spectrometry, Maastricht University, Universiteitssingel 50, 6229 ER Maastricht, The Netherlands
| | - Sabine van Rijt
- MERLN Institute for Technology-Inspired Regenerative Medicine, Department of Instructive Biomaterials Engineering, Maastricht University, Universiteitssingel 40, 6229 ER Maastricht, The Netherlands
| | - Pamela Habibovic
- MERLN Institute for Technology-Inspired Regenerative Medicine, Department of Instructive Biomaterials Engineering, Maastricht University, Universiteitssingel 40, 6229 ER Maastricht, The Netherlands.
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18
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Bonomini M, Pieroni L, Di Liberato L, Sirolli V, Urbani A. Examining hemodialyzer membrane performance using proteomic technologies. Ther Clin Risk Manag 2017; 14:1-9. [PMID: 29296087 PMCID: PMC5739111 DOI: 10.2147/tcrm.s150824] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The success and the quality of hemodialysis therapy are mainly related to both clearance and biocompatibility properties of the artificial membrane packed in the hemodialyzer. Performance of a membrane is strongly influenced by its interaction with the plasma protein repertoire during the extracorporeal procedure. Recognition that a number of medium-high molecular weight solutes, including proteins and protein-bound molecules, are potentially toxic has prompted the development of more permeable membranes. Such membrane engineering, however, may cause loss of vital proteins, with membrane removal being nonspecific. In addition, plasma proteins can be adsorbed onto the membrane surface upon blood contact during dialysis. Adsorption can contribute to the removal of toxic compounds and governs the biocompatibility of a membrane, since surface-adsorbed proteins may trigger a variety of biologic blood pathways with pathophysiologic consequences. Over the last years, use of proteomic approaches has allowed polypeptide spectrum involved in the process of hemodialysis, a key issue previously hampered by lack of suitable technology, to be assessed in an unbiased manner and in its full complexity. Proteomics has been successfully applied to identify and quantify proteins in complex mixtures such as dialysis outflow fluid and fluid desorbed from dialysis membrane containing adsorbed proteins. The identified proteins can also be characterized by their involvement in metabolic and signaling pathways, molecular networks, and biologic processes through application of bioinformatics tools. Proteomics may thus provide an actual functional definition as to the effect of a membrane material on plasma proteins during hemodialysis. Here, we review the results of proteomic studies on the performance of hemodialysis membranes, as evaluated in terms of solute removal efficiency and blood-membrane interactions. The evidence collected indicates that the information provided by proteomic investigations yields improved molecular and functional knowledge and may lead to the development of more efficient membranes for the potential benefit of the patient.
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Affiliation(s)
- Mario Bonomini
- Department of Medicine, G. d'Annunzio University, Chieti
| | - Luisa Pieroni
- Proteomic and Metabonomic Units, IRCCS S. Lucia Foundation, Rome
| | | | | | - Andrea Urbani
- Proteomic and Metabonomic Units, IRCCS S. Lucia Foundation, Rome.,Faculty of Medicine, Biochemistry and Clinical Biochemistry Institute, Catholic University of the "Sacred Heart", Rome, Italy
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19
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Roumelioti ME, Trietley G, Nolin TD, Ng YH, Xu Z, Alaini A, Figueroa R, Unruh ML, Argyropoulos CP. Beta-2 microglobulin clearance in high-flux dialysis and convective dialysis modalities: a meta-analysis of published studies. Nephrol Dial Transplant 2017; 33:1025-1039. [DOI: 10.1093/ndt/gfx311] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Accepted: 10/04/2017] [Indexed: 01/01/2023] Open
Affiliation(s)
- Maria-Eleni Roumelioti
- Nephrology Division, Department of Medicine, University of New Mexico, Albuquerque, NM, USA
| | - Gregory Trietley
- Department of Pharmacy and Therapeutics, Renal-Electrolyte Division, University of Pittsburgh Schools of Pharmacy and Medicine, Pittsburgh, PA, USA
- Department of Medicine, University of Pittsburgh Schools of Pharmacy and Medicine, Pittsburgh, PA, USA
| | - Thomas D Nolin
- Department of Pharmacy and Therapeutics, Renal-Electrolyte Division, University of Pittsburgh Schools of Pharmacy and Medicine, Pittsburgh, PA, USA
- Department of Medicine, University of Pittsburgh Schools of Pharmacy and Medicine, Pittsburgh, PA, USA
| | - Yue-Harn Ng
- Nephrology Division, Department of Medicine, University of New Mexico, Albuquerque, NM, USA
| | - Zhi Xu
- Nephrology Division, Department of Medicine, University of New Mexico, Albuquerque, NM, USA
| | - Ahmed Alaini
- Nephrology Division, Department of Medicine, University of New Mexico, Albuquerque, NM, USA
| | - Rocio Figueroa
- Nephrology Division, Department of Medicine, University of New Mexico, Albuquerque, NM, USA
| | - Mark L Unruh
- Nephrology Division, Department of Medicine, University of New Mexico, Albuquerque, NM, USA
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20
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Bonomini M. Proteomics and Protein Adsorption on Hemodialysis Membranes. Proteomics Clin Appl 2017; 11. [PMID: 29064629 DOI: 10.1002/prca.201700112] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Revised: 09/27/2017] [Indexed: 11/10/2022]
Abstract
Adsorption of plasma proteins onto the membrane surface during the hemodialysis session represents a key feature of membranes used for chronic dialysis therapy. In this issue of Proteomics-Clinical Applications, Han et al. originally describe how, by using proteomic technologies, the adsorptive properties of two membranes made from the same biomaterial (Polyamix) may have different flux characteristics (low flux and high flux, the former having smaller pore size). A total of 497 differentially expressed proteins were identified in eluates obtained after in vivo hemodialysis: 320 proteins concentrated more in low-flux membrane (predominantly proteins with molecular weight 30-60 kDa) and 177 in high flux (most represented by proteins with molecular weight 10-15 kDa). Use of bioinformatics tools shed light on the involvement of adsorbed proteins in important biological pathways, such as the coagulation cascade and the complement system, again with some differences between the two membranes. The study indicates that flux characteristics of a biomaterial used for hemodialysis membrane strongly influence its adsorptive properties, and that proteomic application may provide information relevant to renal replacement therapy.
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Affiliation(s)
- Mario Bonomini
- Department of Medicine, G. d'Annunzio University of Chieti-Pescara, and Unit of Nephrology and Dialysis, SS. Annunziata Hospital, Chieti, Italy
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21
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Del Giorno R, Berwert L, Pianca S, Bianchi G, Giannini O, Gabutti L. Comparative analysis of the long-term effect of two families of high-flux polysulfone dialysers on platelet count: a retrospective cross-sectional study. Ther Clin Risk Manag 2017; 13:1415-1422. [PMID: 29081657 PMCID: PMC5652913 DOI: 10.2147/tcrm.s143708] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Introduction Thrombocytopenia is a potential complication of hemodialysis (HD), and its occurrence has been described even with highly biocompatible polysulfone (PSf) membranes. Dialysis units routinely monitor platelet (PLT) count at the beginning of HD sessions. However, considering that the long-term effects on PLT count could easily be missed, the prevalence of HD-related thrombocytopenia could be underestimated. In the present study, we aimed to investigate the following: 1) the long-term impact of HD treatment on PLT count, comparing two families of dialysis membranes made up of similar PSfs; 2) whether the switch between the dialysis membranes studied significantly affects PLT count; and 3) the prevalence and the risk of HD-induced thrombocytopenia according to the dialysis membranes used. Methods A cross-sectional retrospective study was performed comprising 157 adult chronic HD patients. The HD membranes under investigation were of the series FX, Helixone® Fresenius (Filters A), and Polyflux® Gambro (Filters B). Patients were treated in 4 dialysis units in Southern Switzerland. Data were collected from a centralized computing platform. Findings PLT count significantly differs between Filters A and B with, respectively, 188 (153–243) ×10E9/L versus 214 (179–255) ×10E9/L (p=0.036). The prevalence of thrombocytopenia was higher for Filter A compared with Filter B (28.4% versus 12.8%; p<0.001). The switch from Filter A to Filter B significantly affected PLT count: from 189 (146–217) ×10E9/L to 217 (163–253) ×10E9/L (p<0.001; analysis on 26 patients). A linear random-intercept model confirmed the results (β coefficient =35.214; SE =5.956; p<0.001). In a mixed-effects logistic regression model, the risk of thrombocytopenia for Filter B was 0.157 (CI =0.056–0.442). Discussion Our data suggest that among the PSf membranes studied, the FX membrane induced a lasting decrease in PLT count and caused significantly more thrombocytopenia. Prospective studies are warranted to verify our findings.
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Affiliation(s)
- Rosaria Del Giorno
- Department of Internal Medicine, Nephrology and Dialysis Unit, Regional Hospital of Bellinzona and Valli, Ente Ospedaliero Cantonale, Bellinzona
| | - Lorenzo Berwert
- Department of Internal Medicine, Nephrology and Dialysis Unit, Regional Hospital of Bellinzona and Valli, Ente Ospedaliero Cantonale, Bellinzona
| | - Silvio Pianca
- Nephrology Unit, Civico Hospital, Ente Ospedaliero Cantonale, Lugano
| | - Giorgia Bianchi
- Nephrology Unit, La Carità Hospital, Ente Ospedaliero Cantonale, Locarno
| | - Olivier Giannini
- Nephrology Unit, Beata Vergine Hospital, Ente Ospedaliero Cantonale, Mendrisio, Switzerland
| | - Luca Gabutti
- Department of Internal Medicine, Nephrology and Dialysis Unit, Regional Hospital of Bellinzona and Valli, Ente Ospedaliero Cantonale, Bellinzona
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22
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Proteomic study provides new clues for complications of hemodialysis caused by dialysis membrane. Sci Bull (Beijing) 2017; 62:1251-1255. [PMID: 36659453 DOI: 10.1016/j.scib.2017.08.026] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Revised: 08/22/2017] [Accepted: 08/28/2017] [Indexed: 01/21/2023]
Abstract
The complications of hemodialysis accompanied the hemodialysis and threaten the patients' life. Besides the loss of nutrient substance, such as amino acid and vitamin, we found new clues that the adsorbed proteins on common-used polysulfone-based dialysis membrane might be the reason according to the qualitative proteomic study by ionic liquid assisted sample preparation method. Our results indicated that the adsorbed proteins on the membrane were related with complement activation, blood coagulation, and leukocyte-related biological process. The quantitative proteome further demonstrated some significant changes of signal proteins in the post-dialysis plasma after the hemodialysis, such as beta-2-microglobulin and platelet factor-4, which would further verify these new clues.
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23
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Han S, Yang K, Sun J, Liu J, Zhang L, Zhao J. Proteomics Investigations into Serum Proteins Adsorbed by High-Flux and Low-Flux Dialysis Membranes. Proteomics Clin Appl 2017; 11. [PMID: 28795537 DOI: 10.1002/prca.201700079] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Revised: 07/06/2017] [Indexed: 01/05/2023]
Abstract
Hemodialysis is one of the most important therapies for patients with uremia, and the dialysis membrane is the predominant factor that impacts the efficiency of dialysis. Here, a protein adsorption on two different membranes is investigated to provide a basis for improving dialysis materials. Two cases treated with the Polyflux 14L low-flux dialyzer and the Polyflux 140H high-flux dialyzers during two continuous therapies are selected. Four used dialyzers from selected patients are infused with C12Im-Cl to elute the adsorbed proteins. Then labeled digested proteins adsorb by Polyflux 140H and Polyflux 14L with 13 CD2 O and NaCNBD3 (light labeling, L) and CD2 O and NaCNBH3 (heavy labeling, H), respectively. Liquid chromatography-tandem mass spectrometry (LC-MS/MS) is used to identify the proteins. According to the ratio (Light labeling/Heavy labeling), the eluted proteins are divided into three groups: significantly higher, significantly lower, and no significant differences with a ratio of >2, <0.5, and 0.5-2, respectively. A total of 668 proteins are identified by LC-MS/MS, among which 177 proteins are retained more by the Polyflux 140H membrane (ratio >2), 320 proteins are retained more by the Polyflux 14L membrane (ratio <0.5), and 171 proteins show no significant difference (ratio 0.5-2) between the two types of membranes. Statistical significance is shown in the percentage of adsorbed proteins with an isoelectric point (pI) ranging from 9 to 10 (19.08 versus 7.69%; χ2 = 11.87, p = 0.0006). Proteins with a molecular weight (MW) of 10-15 kDa tend to deposit on Polyflux 140H compared with Polyflux 14L (25 versus 9.23%; χ2 = 18.66, p = 0.0000) and proteins with a MW of 30-60 kDa tend to deposit on Polyflux 14L compared with Polyflux 140H (36.54 versus 22.37%; χ2 = 8.96, p = 0.0028). According to gene ontology analysis, the proteins adsorbed by dialysis membranes are closely related to activation of complement system and the coagulation cascade. The proteins adsorbed by Polyflux 140H and Polyflux 14L show significant differences in PI, MW, and protein class. Proteomic techniques are an effective approach for studying hemodialysis membranes.
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Affiliation(s)
- Shuai Han
- The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Kaiguang Yang
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Science, National Chromatographic Research and Analysis Center, Dalian, China
| | - Jingdi Sun
- The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Jianhui Liu
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Science, National Chromatographic Research and Analysis Center, Dalian, China
| | - Lihua Zhang
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Science, National Chromatographic Research and Analysis Center, Dalian, China
| | - Jiuyang Zhao
- The Second Affiliated Hospital of Dalian Medical University, Dalian, China
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Di Girolamo M, Sartini A, Critelli R, Bertani A, Merighi A, Villa E. Efficacy of a Novel Granulocyte Monocyte Apheresis Adsorber Device in the Treatment of Inflammatory Bowel Diseases: A Pilot Study. Ther Apher Dial 2016; 20:668-676. [PMID: 27921374 DOI: 10.1111/1744-9987.12453] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2015] [Revised: 04/10/2016] [Accepted: 05/16/2016] [Indexed: 12/22/2022]
Abstract
Granulocyte monocyte apheresis (GMA) is a non-pharmacological treatment for inflammatory bowel disease. In our study, we tested a novel GMA adsorber device in terms of clinical efficacy and safety in patients' non-response to pharmacological therapy. Secondary outcomes were the evaluation of adsorber's technical performance, the reduction of inflammatory markers and the improvement of patients' life quality. The prospective study included 18 patients enrolled from 2011 to 2012 with a monitoring of 48 weeks. All patients with Crohn's disease achieved a clinical remission after GMA treatments, sustained until the end of follow up, while 80% of ulcerative colitis patients obtained a clinical benefit, maintained after 48 weeks of monitoring. Leukocytes, neutrophils, monocytes and platelets, compared to erythrocytes and lymphocytes, were effectively removed from peripheral blood. There was no statistically significant result about serological markers of inflammation. A consistent improvement of the patients' quality of life was observed up to the end of follow up. No significant side-effects were recorded. Our study underlines the efficacy and the safety of this novel GMA adsorber device; a prospective randomized clinical trial with adequate sample size should be performed.
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Affiliation(s)
- Maria Di Girolamo
- Department of Internal Medicine, Gastroenterology Unit, University Hospital of Modena, Modena, Italy
| | - Alessandro Sartini
- Department of Internal Medicine, Gastroenterology Unit, University Hospital of Modena, Modena, Italy
| | - Rosina Critelli
- Department of Internal Medicine, Gastroenterology Unit, University Hospital of Modena, Modena, Italy
| | - Angela Bertani
- Department of Internal Medicine, Gastroenterology Unit, University Hospital of Modena, Modena, Italy
| | - Alberto Merighi
- Department of Internal Medicine, Gastroenterology Unit, University Hospital of Modena, Modena, Italy
| | - Erica Villa
- Department of Internal Medicine, Gastroenterology Unit, University Hospital of Modena, Modena, Italy
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Salvadè I, Del Giorno R, Gaetano D, Gabutti L. Assessing the contact-activation of coagulation during hemodialysis with three different polysulfone filters: A prospective randomized cross-over trial. Hemodial Int 2016; 21:375-384. [DOI: 10.1111/hdi.12509] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Igor Salvadè
- Division of Nephrology; Ospedale la Carità, Via Ospedale 1; 6600 Locarno Switzerland
| | - Rosaria Del Giorno
- Department of Internal Medicine, Nephrology and Dialysis Unit; Regional Hospital of Bellinzona and Valli, Ente Ospedaliero Cantonale (EOC); Bellinzona Switzerland
| | - Donato Gaetano
- Division of Nephrology; Ospedale la Carità, Via Ospedale 1; 6600 Locarno Switzerland
| | - Luca Gabutti
- Department of Internal Medicine, Nephrology and Dialysis Unit; Regional Hospital of Bellinzona and Valli, Ente Ospedaliero Cantonale (EOC); Bellinzona Switzerland
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Bonomini M, Sirolli V, Pieroni L, Felaco P, Amoroso L, Urbani A. Proteomic Investigations into Hemodialysis Therapy. Int J Mol Sci 2015; 16:29508-21. [PMID: 26690416 PMCID: PMC4691132 DOI: 10.3390/ijms161226189] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 11/26/2015] [Accepted: 12/02/2015] [Indexed: 01/07/2023] Open
Abstract
The retention of a number of solutes that may cause adverse biochemical/biological effects, called uremic toxins, characterizes uremic syndrome. Uremia therapy is based on renal replacement therapy, hemodialysis being the most commonly used modality. The membrane contained in the hemodialyzer represents the ultimate determinant of the success and quality of hemodialysis therapy. Membrane's performance can be evaluated in terms of removal efficiency for unwanted solutes and excess fluid, and minimization of negative interactions between the membrane material and blood components that define the membrane's bio(in)compatibility. Given the high concentration of plasma proteins and the complexity of structural functional relationships of this class of molecules, the performance of a membrane is highly influenced by its interaction with the plasma protein repertoire. Proteomic investigations have been increasingly applied to describe the protein uremic milieu, to compare the blood purification efficiency of different dialyzer membranes or different extracorporeal techniques, and to evaluate the adsorption of plasma proteins onto hemodialysis membranes. In this article, we aim to highlight investigations in the hemodialysis setting making use of recent developments in proteomic technologies. Examples are presented of why proteomics may be helpful to nephrology and may possibly affect future directions in renal research.
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Affiliation(s)
- Mario Bonomini
- Nephrology and Dialysis Institute, Department of Medicine, G. d'Annunzio University, Chieti-Pescara, SS. Annunziata Hospital, Via dei Vestini, 66013 Chieti, Italy.
| | - Vittorio Sirolli
- Nephrology and Dialysis Institute, Department of Medicine, G. d'Annunzio University, Chieti-Pescara, SS. Annunziata Hospital, Via dei Vestini, 66013 Chieti, Italy.
| | - Luisa Pieroni
- Proteomics and Metabonomics Laboratory, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) S. Lucia Foundation, 00179 Rome, Italy.
- Department of Surgery and Experimental Medicine, Tor Vergata University, 00134 Rome, Italy.
| | - Paolo Felaco
- Nephrology and Dialysis Institute, Department of Medicine, G. d'Annunzio University, Chieti-Pescara, SS. Annunziata Hospital, Via dei Vestini, 66013 Chieti, Italy.
| | - Luigi Amoroso
- Nephrology and Dialysis Institute, Department of Medicine, G. d'Annunzio University, Chieti-Pescara, SS. Annunziata Hospital, Via dei Vestini, 66013 Chieti, Italy.
| | - Andrea Urbani
- Proteomics and Metabonomics Laboratory, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) S. Lucia Foundation, 00179 Rome, Italy.
- Department of Surgery and Experimental Medicine, Tor Vergata University, 00134 Rome, Italy.
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Assessment of Hemostasis after Plasma Exchange Using Rotational Thrombelastometry (ROTEM). PLoS One 2015; 10:e0130402. [PMID: 26121484 PMCID: PMC4488284 DOI: 10.1371/journal.pone.0130402] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2015] [Accepted: 05/21/2015] [Indexed: 12/21/2022] Open
Abstract
Background Therapeutic plasma exchange (TPE)-based protocols immediately before cadaveric donor kidney transplantation have been extensively used in highly sensitized recipients. Plasma is generally preferred over human albumin as replacement fluid to avoid depletion of coagulation factors and perioperative bleeding. The aim of this study was to estimate bleeding risk after TPE replaced with albumin using rotational thromboelastography (ROTEM). Methodology Ten patients without overt coagulation abnormalities underwent TPE. Standard laboratory coagulation tests (thromboplastin time, activated partial thromboplastin time (aPTT), international normalized ratio (INR), thrombin clotting time, fibrinogen levels and antithrombin activity) were compared with thrombelastometry analysis (EXTEM and INTEM tests) before and after TPE. Principal Findings TPE significantly reduced fibrinogen levels (482 ± 182 vs. 223 ± 122 mg/dL), antithrombin activity (103 ± 11 vs. 54 ± 11 %), and prolonged aPTT (28 ± 3 vs. 45 ± 8 s), thromboplastin time (108 ± 11 vs. 68 ± 11 %), INR (0.95 ± 0.06 vs. 1.25 ± 0.16), and thrombin clotting time (18 ± 2 vs. 20 ± 3 s). INTEM and EXTEM analyses revealed significantly prolonged clot-formation time and reduced maximum clot firmness. Conclusions/Significance TPE replaced with albumin induces significant changes in global hemostasis parameters thus potentially increasing bleeding risk. Therefore, pretransplant TPE should be considered carefully in indicated patients before kidney transplantation. The role of the ROTEM point-of-care test to estimate the risk of bleeding in renal transplantation needs to be evaluated in further studies.
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