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Kamiya K, Hatayama N, Tawada M, Asai A, Yamauchi M, Kinashi H, Kunoki S, Yamaguchi M, Mizuno M, Suzuki Y, Banshodani M, Ishimoto T, Naito M, Kawanishi H, Ito Y. Role of endothelial hyaluronan in peritoneal membrane transport and disease conditions during peritoneal dialysis. Sci Rep 2024; 14:7412. [PMID: 38548914 PMCID: PMC10978880 DOI: 10.1038/s41598-024-58148-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Accepted: 03/26/2024] [Indexed: 04/01/2024] Open
Abstract
Peritoneal membrane dysfunction in peritoneal dialysis (PD) is primarily attributed to angiogenesis; however, the integrity of vascular endothelial cells can affect peritoneal permeability. Hyaluronan, a component of the endothelial glycocalyx, is reportedly involved in preventing proteinuria in the normal glomerulus. One hypothesis suggests that development of encapsulating peritoneal sclerosis (EPS) is triggered by protein leakage due to vascular endothelial injury. We therefore investigated the effect of hyaluronan in the glycocalyx on peritoneal permeability and disease conditions. After hyaluronidase-mediated degradation of hyaluronan on the endothelial cells of mice, macromolecules, including albumin and β2 microglobulin, leaked into the dialysate. However, peritoneal transport of small solute molecules was not affected. Pathologically, hyaluronan expression was diminished; however, expression of vascular endothelial cadherin and heparan sulfate, a core protein of the glycocalyx, was preserved. Hyaluronan expression on endothelial cells was studied using 254 human peritoneal membrane samples. Hyaluronan expression decreased in patients undergoing long-term PD treatment and EPS patients treated with conventional solutions. Furthermore, the extent of hyaluronan loss correlated with the severity of vasculopathy. Hyaluronan on endothelial cells is involved in the peritoneal transport of macromolecules. Treatment strategies that preserve hyaluronan in the glycocalyx could prevent the leakage of macromolecules and subsequent related complications.
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Affiliation(s)
- Keisuke Kamiya
- Department of Nephrology and Rheumatology, Aichi Medical University, 1-1 Karimata, Yazako, Nagakute City, Aichi, 480-1195, Japan
| | - Naoyuki Hatayama
- Department of Anatomy, Aichi Medical University School of Medicine, Nagakute, Aichi, Japan
| | - Mitsuhiro Tawada
- Department of Nephrology, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan
| | - Akimasa Asai
- Department of Nephrology and Rheumatology, Aichi Medical University, 1-1 Karimata, Yazako, Nagakute City, Aichi, 480-1195, Japan
| | - Mai Yamauchi
- Department of Nephrology and Rheumatology, Aichi Medical University, 1-1 Karimata, Yazako, Nagakute City, Aichi, 480-1195, Japan
| | - Hiroshi Kinashi
- Department of Nephrology and Rheumatology, Aichi Medical University, 1-1 Karimata, Yazako, Nagakute City, Aichi, 480-1195, Japan
| | - Shunnosuke Kunoki
- Department of Nephrology and Rheumatology, Aichi Medical University, 1-1 Karimata, Yazako, Nagakute City, Aichi, 480-1195, Japan
- Department of Nephrology, Nippon Medical School, Tokyo, Japan
| | - Makoto Yamaguchi
- Department of Nephrology and Rheumatology, Aichi Medical University, 1-1 Karimata, Yazako, Nagakute City, Aichi, 480-1195, Japan
| | - Masashi Mizuno
- Department of Surgery and Artificial Organs, Akane-Foundation, Tsuchiya General Hospital, Hiroshima, Japan
| | - Yasuhiro Suzuki
- Department of Nephrology, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan
| | - Masataka Banshodani
- Department of Surgery and Artificial Organs, Akane-Foundation, Tsuchiya General Hospital, Hiroshima, Japan
| | - Takuji Ishimoto
- Department of Nephrology and Rheumatology, Aichi Medical University, 1-1 Karimata, Yazako, Nagakute City, Aichi, 480-1195, Japan
| | - Munekazu Naito
- Department of Anatomy, Aichi Medical University School of Medicine, Nagakute, Aichi, Japan
| | - Hideki Kawanishi
- Department of Surgery and Artificial Organs, Akane-Foundation, Tsuchiya General Hospital, Hiroshima, Japan
| | - Yasuhiko Ito
- Department of Nephrology and Rheumatology, Aichi Medical University, 1-1 Karimata, Yazako, Nagakute City, Aichi, 480-1195, Japan.
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Ito Y, Sun T, Tanaka H, Yamaguchi M, Kinashi H, Sakata F, Kunoki S, Sakai Y, Ishimoto T. Tissue Sodium Accumulation Induces Organ Inflammation and Injury in Chronic Kidney Disease. Int J Mol Sci 2023; 24:ijms24098329. [PMID: 37176037 PMCID: PMC10179540 DOI: 10.3390/ijms24098329] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 05/01/2023] [Accepted: 05/03/2023] [Indexed: 05/15/2023] Open
Abstract
High salt intake is a primary cause of over-hydration in chronic kidney disease (CKD) patients. Inflammatory markers are predictors of CKD mortality; however, the pathogenesis of inflammation remains unclear. Sodium storage in tissues has recently emerged as an issue of concern. The binding of sodium to tissue glycosaminoglycans and its subsequent release regulates local tonicity. Many cell types express tonicity-responsive enhancer-binding protein (TonEBP), which is activated in a tonicity-dependent or tonicity-independent manner. Macrophage infiltration was observed in the heart, peritoneal wall, and para-aortic tissues in salt-loading subtotal nephrectomized mice, whereas macrophages were not prominent in tap water-loaded subtotal nephrectomized mice. TonEBP was increased in the heart and peritoneal wall, leading to the upregulation of inflammatory mediators associated with cardiac fibrosis and peritoneal membrane dysfunction, respectively. Reducing salt loading by a diuretic treatment or changing to tap water attenuated macrophage infiltration, TonEBP expression, and inflammatory marker expression. The role of TonEBP may be crucial during the cardiac fibrosis and peritoneal deterioration processes induced by sodium overload. Anti-interleukin-6 therapy improved cardiac inflammation and fibrosis and peritoneal membrane dysfunction. Further studies are necessary to establish a strategy to regulate organ dysfunction induced by TonEBP activation in CKD patients.
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Affiliation(s)
- Yasuhiko Ito
- Department of Nephrology and Rheumatology, Aichi Medical University, Nagakute 480-1195, Japan
| | - Ting Sun
- Department of Nephrology and Rheumatology, Aichi Medical University, Nagakute 480-1195, Japan
| | - Hiroya Tanaka
- Department of Nephrology and Rheumatology, Aichi Medical University, Nagakute 480-1195, Japan
| | - Makoto Yamaguchi
- Department of Nephrology and Rheumatology, Aichi Medical University, Nagakute 480-1195, Japan
| | - Hiroshi Kinashi
- Department of Nephrology and Rheumatology, Aichi Medical University, Nagakute 480-1195, Japan
| | - Fumiko Sakata
- Department of Nephrology, Nagoya University Graduate School of Medicine, Nagoya 464-0813, Japan
| | - Shunnosuke Kunoki
- Department of Nephrology and Rheumatology, Aichi Medical University, Nagakute 480-1195, Japan
- Department of Nephrology, Nippon Medical School, Tokyo 113-8602, Japan
| | - Yukinao Sakai
- Department of Nephrology, Nippon Medical School, Tokyo 113-8602, Japan
| | - Takuji Ishimoto
- Department of Nephrology and Rheumatology, Aichi Medical University, Nagakute 480-1195, Japan
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Fibrosis of Peritoneal Membrane as Target of New Therapies in Peritoneal Dialysis. Int J Mol Sci 2022; 23:ijms23094831. [PMID: 35563220 PMCID: PMC9102299 DOI: 10.3390/ijms23094831] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 04/25/2022] [Accepted: 04/25/2022] [Indexed: 01/27/2023] Open
Abstract
Peritoneal dialysis (PD) is an efficient renal replacement therapy for patients with end-stage renal disease. Even if it ensures an outcome equivalent to hemodialysis and a better quality of life, in the long-term, PD is associated with the development of peritoneal fibrosis and the consequents patient morbidity and PD technique failure. This unfavorable effect is mostly due to the bio-incompatibility of PD solution (mainly based on high glucose concentration). In the present review, we described the mechanisms and the signaling pathway that governs peritoneal fibrosis, epithelial to mesenchymal transition of mesothelial cells, and angiogenesis. Lastly, we summarize the present and future strategies for developing more biocompatible PD solutions.
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Catar RA, Bartosova M, Kawka E, Chen L, Marinovic I, Zhang C, Zhao H, Wu D, Zickler D, Stadnik H, Karczewski M, Kamhieh-Milz J, Jörres A, Moll G, Schmitt CP, Witowski J. Angiogenic Role of Mesothelium-Derived Chemokine CXCL1 During Unfavorable Peritoneal Tissue Remodeling in Patients Receiving Peritoneal Dialysis as Renal Replacement Therapy. Front Immunol 2022; 13:821681. [PMID: 35185912 PMCID: PMC8854359 DOI: 10.3389/fimmu.2022.821681] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 01/19/2022] [Indexed: 12/24/2022] Open
Abstract
Peritoneal dialysis (PD) is a valuable ‘home treatment’ option, even more so during the ongoing Coronavirus pandemic. However, the long-term use of PD is limited by unfavourable tissue remodelling in the peritoneal membrane, which is associated with inflammation-induced angiogenesis. This appears to be driven primarily through vascular endothelial growth factor (VEGF), while the involvement of other angiogenic signaling pathways is still poorly understood. Here, we have identified the crucial contribution of mesothelial cell-derived angiogenic CXC chemokine ligand 1 (CXCL1) to peritoneal angiogenesis in PD. CXCL1 expression and peritoneal microvessel density were analysed in biopsies obtained by the International Peritoneal Biobank (NCT01893710 at www.clinicaltrials.gov), comparing 13 children with end-stage kidney disease before initiating PD to 43 children on chronic PD. The angiogenic potential of mesothelial cell-derived CXCL1 was assessed in vitro by measuring endothelial tube formation of human microvascular endothelial cells (HMECs) treated with conditioned medium from human peritoneal mesothelial cells (HPMCs) stimulated to release CXCL1 by treatment with either recombinant IL-17 or PD effluent. We found that the capillary density in the human peritoneum correlated with local CXCL1 expression. Both CXCL1 expression and microvessel density were higher in PD patients than in the age-matched patients prior to initiation of PD. Exposure of HMECs to recombinant CXCL1 or conditioned medium from IL-17-stimulated HPMCs resulted in increased endothelial tube formation, while selective inhibition of mesothelial CXCL1 production by specific antibodies or through silencing of relevant transcription factors abolished the proangiogenic effect of HPMC-conditioned medium. In conclusion, peritoneal mesothelium-derived CXCL1 promotes endothelial tube formation in vitro and associates with peritoneal microvessel density in uremic patients undergoing PD, thus providing novel targets for therapeutic intervention to prolong PD therapy.
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Affiliation(s)
- Rusan Ali Catar
- Department of Nephrology and Internal Intensive Care Medicine, Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany
| | - Maria Bartosova
- Division of Pediatric Nephrology, Centre for Pediatric and Adolescent Medicine, University of Heidelberg, Heidelberg, Germany
| | - Edyta Kawka
- Department of Pathophysiology, Poznan University of Medical Sciences, Poznan, Poland
| | - Lei Chen
- Department of Nephrology and Internal Intensive Care Medicine, Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany
| | - Iva Marinovic
- Division of Pediatric Nephrology, Centre for Pediatric and Adolescent Medicine, University of Heidelberg, Heidelberg, Germany
| | - Conghui Zhang
- Division of Pediatric Nephrology, Centre for Pediatric and Adolescent Medicine, University of Heidelberg, Heidelberg, Germany
| | - Hongfan Zhao
- Department of Nephrology and Internal Intensive Care Medicine, Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany
| | - Dashan Wu
- Department of Nephrology and Internal Intensive Care Medicine, Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany
| | - Daniel Zickler
- Department of Nephrology and Internal Intensive Care Medicine, Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany
| | - Honorata Stadnik
- Department of General and Transplant Surgery, Poznan University of Medical Sciences, Poznan, Poland
| | - Marek Karczewski
- Department of General and Transplant Surgery, Poznan University of Medical Sciences, Poznan, Poland
| | - Julian Kamhieh-Milz
- Institute of Transfusion Medicine, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Achim Jörres
- Department of Nephrology and Internal Intensive Care Medicine, Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany
- Department of Medicine I, Nephrology, Transplantation and Medical Intensive Care, University Witten/Herdecke, Medical Centre Cologne-Merheim, Cologne, Germany
| | - Guido Moll
- Department of Nephrology and Internal Intensive Care Medicine, Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany
- Berlin Institute of Health (BIH) Center for Regenerative Therapies (BCRT), Charité Universitätsmedizin Berlin, Berlin, Germany
- Berlin-Brandenburg School for Regenerative Therapies (BSRT), Charité Universitätsmedizin Berlin, Berlin, Germany
- *Correspondence: Guido Moll, , orcid.org/0000-0001-6173-5957; Janusz Witowski, , orcid.org/0000-0002-1093-6027; Claus Peter Schmitt, , orcid.org/0000-0003-4487-3332
| | - Claus Peter Schmitt
- Division of Pediatric Nephrology, Centre for Pediatric and Adolescent Medicine, University of Heidelberg, Heidelberg, Germany
- *Correspondence: Guido Moll, , orcid.org/0000-0001-6173-5957; Janusz Witowski, , orcid.org/0000-0002-1093-6027; Claus Peter Schmitt, , orcid.org/0000-0003-4487-3332
| | - Janusz Witowski
- Department of Nephrology and Internal Intensive Care Medicine, Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany
- Department of Pathophysiology, Poznan University of Medical Sciences, Poznan, Poland
- *Correspondence: Guido Moll, , orcid.org/0000-0001-6173-5957; Janusz Witowski, , orcid.org/0000-0002-1093-6027; Claus Peter Schmitt, , orcid.org/0000-0003-4487-3332
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How to Improve the Biocompatibility of Peritoneal Dialysis Solutions (without Jeopardizing the Patient's Health). Int J Mol Sci 2021; 22:ijms22157955. [PMID: 34360717 PMCID: PMC8347640 DOI: 10.3390/ijms22157955] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 07/21/2021] [Accepted: 07/24/2021] [Indexed: 12/23/2022] Open
Abstract
Peritoneal dialysis (PD) is an important, if underprescribed, modality for the treatment of patients with end-stage kidney disease. Among the barriers to its wider use are the deleterious effects of currently commercially available glucose-based PD solutions on the morphological integrity and function of the peritoneal membrane due to fibrosis. This is primarily driven by hyperglycaemia due to its effects, through multiple cytokine and transcription factor signalling-and their metabolic sequelae-on the synthesis of collagen and other extracellular membrane components. In this review, we outline these interactions and explore how novel PD solution formulations are aimed at utilizing this knowledge to minimise the complications associated with fibrosis, while maintaining adequate rates of ultrafiltration across the peritoneal membrane and preservation of patient urinary volumes. We discuss the development of a new generation of reduced-glucose PD solutions that employ a variety of osmotically active constituents and highlight the biochemical rationale underlying optimization of oxidative metabolism within the peritoneal membrane. They are aimed at achieving optimal clinical outcomes and improving the whole-body metabolic profile of patients, particularly those who are glucose-intolerant, insulin-resistant, or diabetic, and for whom daily exposure to high doses of glucose is contraindicated.
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