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Zhang H, Liu D, Xu QF, Wei J, Zhao Y, Xu DF, Wang Y, Liu YJ, Zhu XY, Jiang L. Endothelial RSPO3 mediates pulmonary endothelial regeneration by LGR4-dependent activation of β-catenin and ILK signaling pathways after inflammatory vascular injury. Int J Biol Macromol 2024; 269:131805. [PMID: 38677673 DOI: 10.1016/j.ijbiomac.2024.131805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 04/09/2024] [Accepted: 04/15/2024] [Indexed: 04/29/2024]
Abstract
Endothelial repair is essential for restoring tissue fluid homeostasis following lung injury. R-spondin3 (RSPO3), a secreted protein mainly produced by endothelial cells (ECs), has shown its protective effect on endothelium. However, the specific mechanisms remain unknown. To explore whether and how RSPO3 regulates endothelial regeneration after inflammatory vascular injury, the role of RSPO3 in sepsis-induced pulmonary endothelial injury was investigated in EC-specific RSPO3 knockdown, inducible EC-specific RSPO3 deletion mice, EC-specific RSPO3 overexpression mice, systemic RSPO3-administration mice, in isolated mouse lung vascular endothelial cells (MLVECs), and in plasma from septic patients. Here we show that plasma RSPO3 levels are decreased in septic patients and correlated with endothelial injury markers and PaO2/FiO2 index. Both pulmonary EC-specific knockdown of RSPO3 and inducible EC-specific RSPO3 deletion inhibit pulmonary ECs proliferation and exacerbate ECs injury, whereas intra-pulmonary EC-specific RSPO3 overexpression promotes endothelial recovery and attenuates ECs injury during endotoxemia. We show that RSPO3 mediates pulmonary endothelial regeneration by a LGR4-dependent manner. Except for β-catenin, integrin-linked kinase (ILK)/Akt is also identified as a novel downstream effector of RSPO3/LGR4 signaling. These results conclude that EC-derived RSPO3 mediates pulmonary endothelial regeneration by LGR4-dependent activation of β-catenin and ILK signaling pathways after inflammatory vascular injury.
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Affiliation(s)
- Hui Zhang
- Department of Anesthesiology and Surgical Intensive Care Unit, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200092, PR China
| | - Di Liu
- Department of Anesthesiology and Surgical Intensive Care Unit, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200092, PR China
| | - Qing-Feng Xu
- School of Kinesiology, Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, The Key Laboratory of Exercise and Health Sciences of Ministry of Education Shanghai University of Sport, Shanghai 200438, PR China
| | - Juan Wei
- School of Kinesiology, Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, The Key Laboratory of Exercise and Health Sciences of Ministry of Education Shanghai University of Sport, Shanghai 200438, PR China
| | - Ying Zhao
- Department of Anesthesiology, Zhejiang Cancer Hospital, 310022, PR China
| | - Dun-Feng Xu
- Department of Anesthesiology and Surgical Intensive Care Unit, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200092, PR China
| | - Yan Wang
- Department of Anesthesiology and Surgical Intensive Care Unit, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200092, PR China
| | - Yu-Jian Liu
- School of Kinesiology, Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, The Key Laboratory of Exercise and Health Sciences of Ministry of Education Shanghai University of Sport, Shanghai 200438, PR China
| | - Xiao-Yan Zhu
- Department of Physiology, Navy Medical University, Shanghai 200433, PR China.
| | - Lai Jiang
- Department of Anesthesiology and Surgical Intensive Care Unit, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200092, PR China.
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Bartolini D, Grignano MA, Piroddi M, Chiaradia E, Galeazzi G, Rende M, Ronco C, Rampino T, Libetta C, Galli F. Induction of Vesicular Trafficking and JNK-Mediated Apoptotic Signaling in Mononuclear Leukocytes Marks the Immuno-Proteostasis Response to Uremic Proteins. Blood Purif 2023; 52:737-750. [PMID: 37703866 DOI: 10.1159/000533309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 07/25/2023] [Indexed: 09/15/2023]
Abstract
INTRODUCTION Uremic retention solutes have been alleged to induce the apoptotic program of different cell types, including peripheral blood mononuclear leukocytes (PBL), which may contribute to uremic leukopenia and immune dysfunction. METHODS The molecular effects of these solutes were investigated in uremic PBL (u-PBL) and mononuclear cell lines (THP-1 and K562) exposed to the high molecular weight fraction of uremic plasma (u-HMW) prepared by in vitro ultrafiltration with 50 kDa cut-off microconcentrators. RESULTS u-PBL show reduced cell viability and increased apoptotic death compared to healthy control PBL (c-PBL). u-HMW induce apoptosis both in u-PBL and c-PBL, as well as in mononuclear cell lines, also stimulating cellular H2O2 formation and secretion, IRE1-α-mediated endoplasmic reticulum stress signaling, and JNK/cJun pathway activation. Also, u-HMW induce autophagy in THP-1 monocytes. u-PBL were characterized by the presence in their cellular proteome of the main proteins and carbonylation targets of u-HMW, namely albumin, transferrin, and fibrinogen, and by the increased expression of receptor for advanced glycation end-products, a scavenger receptor with promiscuous ligand binding properties involved in leukocyte activation and endocytosis. CONCLUSIONS Large uremic solutes induce abnormal endocytosis and terminal alteration of cellular proteostasis mechanisms in PBL, including UPR/ER stress response and autophagy, ultimately activating the JNK-mediated apoptotic signaling of these cells. These findings describe the suicidal role of immune cells in facing systemic proteostasis alterations of kidney disease patients, a process that we define as the immuno-proteostasis response of uremia.
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Affiliation(s)
- Desirée Bartolini
- University of Perugia, Department of Pharmaceutical Sciences, Perugia, Italy
- Section of Human, Clinical and Forensic Anatomy, School of Medicine, Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Maria Antonietta Grignano
- Department of Nephrology, Dialysis and Transplantation, Fondazione IRCCS Policlinico San Matteo and University of Pavia, Pavia, Italy
| | - Marta Piroddi
- University of Perugia, Department of Pharmaceutical Sciences, Perugia, Italy
| | | | - Gabriele Galeazzi
- University of Perugia, Department of Pharmaceutical Sciences, Perugia, Italy
| | - Mario Rende
- Section of Human, Clinical and Forensic Anatomy, School of Medicine, Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Claudio Ronco
- International Renal Research Institute of Vicenza, Department of Nephrology, Dialysis and Transplantation, St. Bortolo Hospital, Vicenza, Italy
- Department of Medicine, University of Padua, Padua, Italy
| | - Teresa Rampino
- Department of Nephrology, Dialysis and Transplantation, Fondazione IRCCS Policlinico San Matteo and University of Pavia, Pavia, Italy
| | - Carmelo Libetta
- Department of Nephrology, Dialysis and Transplantation, Fondazione IRCCS Policlinico San Matteo and University of Pavia, Pavia, Italy
| | - Francesco Galli
- University of Perugia, Department of Pharmaceutical Sciences, Perugia, Italy
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Yu H, Zhou C, Hu D, Li C, Wang Q, Xue W, Peng A. Uremic toxin indoxyl sulfate induces dysfunction of vascular smooth muscle cells via integrin-β1/ERK signaling pathway. Clin Exp Nephrol 2022; 26:640-648. [PMID: 35333997 DOI: 10.1007/s10157-022-02195-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 02/03/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND Protein-bound uremic toxins (PBUTs) are reported to be one of the major culprits in chronic kidney disease-cardiovascular disease (CKD-CVD) development, yet its mechanism is not fully clear. Our previous study confirmed elevated expression of integrin-β1 (ITGβ1) in vascular smooth muscle cells of uremic patients. Thus, this study aimed to explore the relationship between PBUTs and ITGβ1 in uremic vasculature injury. METHODS Human umbilical vein smooth muscle cells (HUVSMCs) and endothelial cells (HUVECs) were treated with two representative PUBTs, indoxyl sulfate (IS) and p-cresyl sulfate (PC). Both cells were measured for the expression of ITGβ1 and downstream signaling pathways and assayed for proliferation, migration, adhesion and apoptosis. RESULTS The IS treatments were observed with significantly up-regulated ITGβ1 in HUVSMCs but not in HUVECs, while PC did not induce ITGβ1 alteration in either HUVSMCs or HUVECs. Furthermore, overexpression of ITGβ1 revealed activated downstream signal-regulated kinase (ERK) signaling pathway with promoted focal adhesion, migration, proliferation but no apoptosis in HUVSMCs by IS. These functional and pathway alterations could be significantly suppressed by RNA interference of ITGβ1. More importantly, the application of ERK1/2 inhibitor significantly suppressed the focal adhesion, migration and proliferation of HUVSMCs. CONCLUSION We first demonstrated that ITGβ1/ERK signaling pathway mediated abnormal focal adhesion, migration and proliferation of vascular smooth muscle cells stimulated by IS. ITGβ1/ERK signaling may serve as a novel therapeutic target for CKD-CVD.
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Affiliation(s)
- Haibo Yu
- Division of Nephrology, Center for Nephrology and Clinical Metabolomics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, People's Republic of China
| | - Chunyu Zhou
- Division of Nephrology, Center for Nephrology and Clinical Metabolomics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, People's Republic of China
| | - Dayong Hu
- Division of Nephrology, Center for Nephrology and Clinical Metabolomics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, People's Republic of China
| | - Changbin Li
- Division of Nephrology, Center for Nephrology and Clinical Metabolomics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, People's Republic of China
| | - Qiang Wang
- Department of Nephrology, Qilu Hospital of Shandong University (Qingdao), Qingdao, People's Republic of China
| | - Wen Xue
- Division of Nephrology, Center for Nephrology and Clinical Metabolomics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, People's Republic of China.
| | - Ai Peng
- Division of Nephrology, Center for Nephrology and Clinical Metabolomics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, People's Republic of China.
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Indoxyl sulfate- and P-cresol-induced monocyte adhesion and migration is mediated by integrin-linked kinase-dependent podosome formation. Exp Mol Med 2022; 54:226-238. [PMID: 35246616 PMCID: PMC8980039 DOI: 10.1038/s12276-022-00738-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 10/22/2021] [Accepted: 11/30/2021] [Indexed: 12/21/2022] Open
Abstract
Cardiovascular disease is an important cause of death in patients with chronic kidney disease (CKD). Protein-bound uremic toxins, such as p-cresyl and indoxyl sulfate (IS), are poorly removed during hemodialysis, leading to vascular endothelial dysfunction and leukocyte extravasation. These processes can be related to dynamic adhesion structures called podosomes. Several studies have indicated the role of integrin-linked kinase (ILK) in the accumulation of integrin-associated proteins in podosomes. Here, we investigated the involvement of ILK and podosome formation in the adhesion and extravasation of monocytes under p-cresol (pc) and IS exposure. Incubation of THP-1 human monocyte cells with these toxins upregulated ILK kinase activity. Together, both toxins increased cell adhesion, podosome formation, extracellular matrix degradation, and migration of THP-1 cells, whereas ILK depletion with specific small interfering RNAs suppressed these processes. Interestingly, F-actin colocalized with cortactin in podosome cores, while ILK was colocalized in podosome rings under toxin stimulation. Podosome Wiskott-Aldrich syndrome protein (WASP)-interacting protein (WIP) and AKT protein depletion demonstrated that monocyte adhesion depends on podosome formation and that the ILK/AKT signaling pathway is involved in these processes. Ex vivo experiments showed that both toxins induced adhesion and podosome formation in leukocytes from wild-type mice, whereas these effects were not observed in leukocytes of conditional ILK-knockdown animals. In summary, under pc and IS stimulation, monocytes increase podosome formation and transmigratory capacity through an ILK/AKT signaling pathway-dependent mechanism, which could lead to vascular injury. Therefore, ILK could be a potential therapeutic target for the treatment of vascular damage associated with CKD. An enzyme involved in organizing structural proteins into protrusions of the cell membrane helps facilitate the movement of white blood cells that occurs in chronic kidney disease and can lead to cardiovascular damage. Laura Calleros from the University of Alcalá, Madrid, Spain, and colleagues showed how toxic metabolites that build up in the bloodstream as kidneys fail induce the activity of an enzyme called integrin-linked kinase (ILK). This enzyme in turn spurs white blood cells to form protrusions called podosomes that make the cells more mobile, enabling them to move out of blood vessels and into surrounding tissues where they can cause inflammation -mediated injury. ILK inactivation reversed these effects. Therapies that target the enzyme could therefore help limit the cardiovascular complications of chronic kidney disease.
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Impact of Uremic Toxins on Endothelial Dysfunction in Chronic Kidney Disease: A Systematic Review. Int J Mol Sci 2022; 23:ijms23010531. [PMID: 35008960 PMCID: PMC8745705 DOI: 10.3390/ijms23010531] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 12/22/2021] [Accepted: 12/23/2021] [Indexed: 12/13/2022] Open
Abstract
Patients with chronic kidney disease (CKD) are at a highly increased risk of cardiovascular complications, with increased vascular inflammation, accelerated atherogenesis and enhanced thrombotic risk. Considering the central role of the endothelium in protecting from atherogenesis and thrombosis, as well as its cardioprotective role in regulating vasorelaxation, this study aimed to systematically integrate literature on CKD-associated endothelial dysfunction, including the underlying molecular mechanisms, into a comprehensive overview. Therefore, we conducted a systematic review of literature describing uremic serum or uremic toxin-induced vascular dysfunction with a special focus on the endothelium. This revealed 39 studies analyzing the effects of uremic serum or the uremic toxins indoxyl sulfate, cyanate, modified LDL, the advanced glycation end products N-carboxymethyl-lysine and N-carboxyethyl-lysine, p-cresol and p-cresyl sulfate, phosphate, uric acid and asymmetric dimethylarginine. Most studies described an increase in inflammation, oxidative stress, leukocyte migration and adhesion, cell death and a thrombotic phenotype upon uremic conditions or uremic toxin treatment of endothelial cells. Cellular signaling pathways that were frequently activated included the ROS, MAPK/NF-κB, the Aryl-Hydrocarbon-Receptor and RAGE pathways. Overall, this review provides detailed insights into pathophysiological and molecular mechanisms underlying endothelial dysfunction in CKD. Targeting these pathways may provide new therapeutic strategies reducing increased the cardiovascular risk in CKD.
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Uremic serum damages endothelium by provoking excessive neutrophil extracellular trap formation. Sci Rep 2021; 11:21439. [PMID: 34728714 PMCID: PMC8563801 DOI: 10.1038/s41598-021-00863-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 10/18/2021] [Indexed: 12/26/2022] Open
Abstract
Cardiovascular disease (CVD) is the leading cause of death in patients with chronic kidney disease (CKD). Endothelial cell (EC) dysfunction is a key CKD-specific risk factor; however, the mechanisms by which uremia harms the endothelium are still unclear. We report a role for excessive neutrophil extracellular trap (NET) formation induced by uremic serum on EC injury. Level of plasma nucleosome and myeloperoxidase-DNA, established in vivo markers of NETs, as well as intracellular adhesion molecule (ICAM)-1 were measured in hemodialysis (HD) patients and healthy volunteers (HV) and their prognostic role evaluated. For in vitro studies, HV-derived neutrophils and differentiated HL-60 cells by retinoic acid were used to determine the effect of uremic serum-induced NETs on human umbilical vein EC (HUVEC). The level of in vivo NETs was significantly higher in incident HD patients compared to HV, and these markers were strongly associated with ICAM-1. Specifically, nucleosome and ICAM-1 levels were independent predictors of a composite endpoint, all-cause mortality, or vascular access failure. In vitro, HD-derived uremic serum significantly increased NET formation both in dHL-60 and isolated neutrophils compared to control serum, and these NETs decreased EC viability and induced their apoptosis. In addition, the level of ICAM-1, E-selectin and von Willebrand factor in HUVEC supernatant was significantly increased by uremic serum-induced NETs compared to control serum-induced NETs. Dysregulated neutrophil activities in the uremic milieu may play a key role in vascular inflammatory responses. The high mortality and CVD rates in ESRD may be explained in part by excessive NET formation leading to EC damage and dysfunction.
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7
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Blachier F, Andriamihaja M. Effects of the L-tyrosine-derived bacterial metabolite p-cresol on colonic and peripheral cells. Amino Acids 2021; 54:325-338. [PMID: 34468872 DOI: 10.1007/s00726-021-03064-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 08/06/2021] [Indexed: 11/28/2022]
Abstract
Specific families of bacteria present within the intestinal luminal content produce p-cresol from L-tyrosine. Although the hosts do not synthesize p-cresol, they can metabolize this compound within their colonic mucosa and liver leading to the production of co-metabolites including p-cresyl sulfate (p-CS) and p-cresyl glucuronide (p-CG). p-Cresol and its co-metabolites are recovered in the circulation mainly conjugated to albumin, but also in their free forms that are excreted in the urine. An increased dietary protein intake raises the amount of p-cresol recovered in the feces and urine, while fecal excretion of p-cresol is diminished by a diet containing undigestible polysaccharides. p-Cresol in excess is genotoxic for colonocytes. In addition, in these cells, this bacterial metabolite decreases mitochondrial oxygen consumption, while increasing the anion superoxide production. In chronic kidney disease (CKD), marked accumulation of p-cresol and p-CS in plasma is measured, and in renal tubular cells, p-cresol and p-CS increase oxidative stress, affect mitochondrial function, and lead to cell death, strongly suggesting that these 2 compounds act as uremic toxins that aggravate CKD progression. p-Cresol and p-CS are also suspected to play a role in the CKD-associated adverse cardiovascular events, since they affect endothelial cell proliferation and migration, decrease the capacity of endothelial wound repair, and increase the senescence of endothelial cells. Finally, the fact that concentration of p-cresol is transiently increased in young autistic children biological fluids, and that intraperitoneal injection of p-cresol in animal models induces some behavioral characteristics observed in the autism spectrum disorders (ASD), raise the view that p-cresol may possibly represent one of the components involved in ASD etiology. Further pre-clinical and clinical studies are obviously needed to determine if the lowering of p-cresol and/or p-CS circulating concentrations, by dietary and/or pharmacological means, would allow, by itself or in combination with other interventions, to improve CKD progression and associated cardiovascular outcomes, as well as some neurological outcomes in children with an early diagnosis of autism.
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Affiliation(s)
- F Blachier
- Université Paris-Saclay, AgroParisTech, INRAE, UMR PNCA, Paris, France.
| | - M Andriamihaja
- Université Paris-Saclay, AgroParisTech, INRAE, UMR PNCA, Paris, France
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Alcalde-Estévez E, Sosa P, Asenjo-Bueno A, Plaza P, Olmos G, Naves-Díaz M, Rodríguez-Puyol D, López-Ongil S, Ruiz-Torres MP. Uraemic toxins impair skeletal muscle regeneration by inhibiting myoblast proliferation, reducing myogenic differentiation, and promoting muscular fibrosis. Sci Rep 2021; 11:512. [PMID: 33436654 PMCID: PMC7804102 DOI: 10.1038/s41598-020-79186-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 12/04/2020] [Indexed: 01/29/2023] Open
Abstract
Uraemic toxins increase in serum parallel to a decline in the glomerular filtration rate and the development of sarcopenia in patients with chronic kidney disease (CKD). This study analyses the role of uraemic toxins in sarcopenia at different stages of CKD, evaluating changes in the muscular regeneration process. Cultured C2C12 cells were incubated with a combination of indoxyl sulphate and p-cresol at high doses (100 µg/mL) or low doses (25 µg/mL and 10 µg/mL) resembling late or early CKD stages, respectively. Cell proliferation (analysed by scratch assays and flow cytometry) was inhibited only by high doses of uraemic toxins, which inactivated the cdc2-cyclin B complex, inhibiting mitosis and inducing apoptosis (analysed by annexin V staining). By contrast, low doses of uraemic toxins did not affect proliferation, but reduced myogenic differentiation, primed with 2% horse serum, by inhibiting myogenin expression and promoting fibro-adipogenic differentiation. Finally, to assess the in vivo relevance of these results, studies were performed in gastrocnemii from uraemic rats, which showed higher collagen expression and lower myosin heavy chain expression than those from healthy rats. In conclusion, uraemic toxins impair the skeletal muscular regeneration process, even at low concentrations, suggesting that sarcopenia can progress from the early stages of CKD.
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Affiliation(s)
- Elena Alcalde-Estévez
- grid.7159.a0000 0004 1937 0239Departamento de Biología de Sistemas, Facultad de Medicina Y Ciencias de La Salud, Universidad de Alcalá, 28871 Alcalá de Henares, Madrid, Spain
| | - Patricia Sosa
- grid.7159.a0000 0004 1937 0239Departamento de Biología de Sistemas, Facultad de Medicina Y Ciencias de La Salud, Universidad de Alcalá, 28871 Alcalá de Henares, Madrid, Spain
| | - Ana Asenjo-Bueno
- grid.411336.20000 0004 1765 5855Unidad de Investigación de La Fundación Para La Investigación Biomédica del Hospital Universitario Príncipe de Asturias, Alcalá de Henares, Madrid, Spain
| | - Patricia Plaza
- grid.411336.20000 0004 1765 5855Unidad de Investigación de La Fundación Para La Investigación Biomédica del Hospital Universitario Príncipe de Asturias, Alcalá de Henares, Madrid, Spain
| | - Gemma Olmos
- grid.7159.a0000 0004 1937 0239Departamento de Biología de Sistemas, Facultad de Medicina Y Ciencias de La Salud, Universidad de Alcalá, 28871 Alcalá de Henares, Madrid, Spain ,Instituto Reina Sofía de Investigación Nefrológica, IRSIN, Madrid, Spain ,grid.420232.50000 0004 7643 3507Area 3-Fisiología y Fisiopatología Renal Y Vascular del IRYCIS, Madrid, Spain
| | - Manuel Naves-Díaz
- Unidad de Gestión Clínica de Metabolismo Óseo. Hospital Universitario Central de Asturias, ISPA, Oviedo, Spain
| | - Diego Rodríguez-Puyol
- Instituto Reina Sofía de Investigación Nefrológica, IRSIN, Madrid, Spain ,grid.420232.50000 0004 7643 3507Area 3-Fisiología y Fisiopatología Renal Y Vascular del IRYCIS, Madrid, Spain ,grid.411336.20000 0004 1765 5855Departamento de Medicina Y Especialidades Médicas, Universidad de Alcalá Y Servicio de Nefrología del Hospital Universitario Príncipe de Asturias, Alcalá de Henares, Madrid, Spain
| | - Susana López-Ongil
- grid.411336.20000 0004 1765 5855Unidad de Investigación de La Fundación Para La Investigación Biomédica del Hospital Universitario Príncipe de Asturias, Alcalá de Henares, Madrid, Spain ,Instituto Reina Sofía de Investigación Nefrológica, IRSIN, Madrid, Spain ,grid.420232.50000 0004 7643 3507Area 3-Fisiología y Fisiopatología Renal Y Vascular del IRYCIS, Madrid, Spain
| | - María P. Ruiz-Torres
- grid.7159.a0000 0004 1937 0239Departamento de Biología de Sistemas, Facultad de Medicina Y Ciencias de La Salud, Universidad de Alcalá, 28871 Alcalá de Henares, Madrid, Spain ,Instituto Reina Sofía de Investigación Nefrológica, IRSIN, Madrid, Spain ,grid.420232.50000 0004 7643 3507Area 3-Fisiología y Fisiopatología Renal Y Vascular del IRYCIS, Madrid, Spain
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Li S, Xie Y, Yang B, Huang S, Zhang Y, Jia Z, Ding G, Zhang A. MicroRNA-214 targets COX-2 to antagonize indoxyl sulfate (IS)-induced endothelial cell apoptosis. Apoptosis 2020; 25:92-104. [PMID: 31820187 DOI: 10.1007/s10495-019-01582-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Cardiovascular disease (CVD) serves as the major cause of mortality in chronic kidney disease (CKD) patients. The injury of endothelium associated with the long-term challenge of uremic toxins including the toxic indoxyl sulfate (IS) is one of key pathological factors leading to CVD. However, the mechanisms of uremic toxins, especially the IS, resulting in endothelial injury, remain unclear. miR-214 was reported to contribute to the pathogenesis of cardiovascular diseases, while its role in IS-induced endothelial cell apoptosis is unknown. In this study, we investigated the role of microRNA-214 (miR-214) in IS-induced endothelial cell apoptosis and the underlying mechanisms using mouse aortic endothelial cells (MAECs). Following IS treatment, miR-214 was significantly downregulated in MAECs in line with enhanced cell apoptosis. Meanwhile, COX-2 was upregulated at both mRNA and protein levels along with increased secretion of PGE2 in medium. To define the role of miR-214 in IS-induced endothelial cell apoptosis, we modulated miR-214 level in MAECs and found that overexpression of miR-214 markedly attenuated endothelial cell apoptosis, while antagonism of miR-214 deteriorated cell death after IS challenge. Further analyses confirmed that COX-2 is a target gene of miR-214, and the inhibition of COX-2 by a specific COX-2 inhibitor NS-398 strikingly attenuated IS-induced endothelial cell apoptosis along with a significant blockade of PGE2 secretion. In conclusion, this study demonstrated an important role of miR-214 in protecting against endothelial cell damage induced by IS possibly by direct downregulation of COX-2/PGE2 axis.
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Affiliation(s)
- Shuzhen Li
- Department of Nephrology, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, People's Republic of China
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, 210029, China
- Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, Nanjing, 210008, China
| | - Yifan Xie
- Department of Nephrology, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, People's Republic of China
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, 210029, China
- Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, Nanjing, 210008, China
| | - Bingyu Yang
- Department of Nephrology, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, People's Republic of China
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, 210029, China
- Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, Nanjing, 210008, China
| | - Songming Huang
- Department of Nephrology, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, People's Republic of China
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, 210029, China
- Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, Nanjing, 210008, China
| | - Yue Zhang
- Department of Nephrology, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, People's Republic of China
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, 210029, China
- Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, Nanjing, 210008, China
| | - Zhanjun Jia
- Department of Nephrology, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, People's Republic of China.
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, 210029, China.
- Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, Nanjing, 210008, China.
| | - Guixia Ding
- Department of Nephrology, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, People's Republic of China.
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, 210029, China.
- Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, Nanjing, 210008, China.
| | - Aihua Zhang
- Department of Nephrology, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, People's Republic of China.
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, 210029, China.
- Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, Nanjing, 210008, China.
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Rare genetic variants suggest dysregulation of signaling pathways in low- and high-risk patients developing severe ovarian hyperstimulation syndrome. J Assist Reprod Genet 2020; 37:2883-2892. [PMID: 32945993 DOI: 10.1007/s10815-020-01941-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 09/07/2020] [Indexed: 12/23/2022] Open
Abstract
PURPOSE To investigate if rare gene variants in women with severe ovarian hyperstimulation syndrome (OHSS) provide clues to the mechanisms involved in the syndrome. METHODS Among participants in a prospective randomized study (Toftager et al. 2016), six women with predicted low and six women with predicted high risk of OHSS developing severe OHSS (grades 4 and 5, Golan classification) were selected. In the same cohort, six plus six matched controls developing no signs of OHSS (Golan grade 0) were selected. Whole-exome sequencing was performed. Analysis using a predefined in silico OHSS gene panel, variant filtering, and pathway analyses was done. RESULTS We found no convincing monogenetic association with the development of OHSS using the in silico gene panel. Pathway analysis of OHSS variant lists showed substantial overlap in highly enriched top pathways (p value range p < 0.0001 and p > 9.8E-17) between the low- and high-risk group developing severe OHSS, i.e., "the integrin-linked kinase (ILK) signaling pathway" and the "axonal guidance signaling pathway," both being connected to vasoactive endothelial growth factor (VEGF) and endothelial function. CONCLUSION Rare variants in OHSS cases with two distinct risk profiles enrich the same signaling pathways linked to VEGF and endothelial function. Clarification of the mechanism as well as potentially defining genetic predisposition of the high vascular permeability is important for future targeted treatment and prevention of OHSS; the potential roles of ILK signaling and the axonal guidance signaling need to be validated by functional studies.
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11
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Abdul Salim S, Tran H, Thongprayoon C, Fülöp T, Cheungpasitporn W. Comparison of drug-coated balloon angioplasty versus conventional angioplasty for arteriovenous fistula stenosis: Systematic review and meta-analysis. J Vasc Access 2019; 21:357-365. [PMID: 31595799 DOI: 10.1177/1129729819878612] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Arteriovenous fistula is the most preferred form of vascular access, but stenosis treated by balloon angioplasty is prone to restenosis. Multiple trials have been published with regard to the use of paclitaxel-coated balloon to prolong lesion patency compared to conventional balloon. Although paclitaxel-coated balloon has theoretical appeal, its use has not been widespread nationwide due to cost and lack of large-scale multicenter studies. We performed this meta-analysis to evaluate whether paclitaxel-coated balloon outperforms conventional balloon to prolong target lesion patency. METHODS PubMed/Medline, Clinical Trials.gov, EMBASE, Scopus, Web of Science, and Cochrane Central were searched from inception through April 2019 for studies that investigated the use of paclitaxel-coated balloon in arteriovenous fistula. RESULTS Ten studies were included in the final meta-analysis: six studies were randomized controlled trials and four studies were cohort studies. There were 911 participants with a mean age of 64.78 (±5.96) years, and 61.89% were male. Outcome of interest was target lesion primary patency, recorded at 1, 3, 6, 7, 12, and 24 months. Meta-analysis of randomized controlled trials shows that paclitaxel-coated balloons did not statistically improve target lesion primary patency compared to conventional balloons at months 1 (odds ratio = 1.54, p = 0.6373), 3 (odds ratio = 0.57, p = 0.0575), 6 (odds ratio = 0.65, p = 0.3644), 7 (odds ratio = 0.63, p = 0.0582), 12 (odds ratio = 0.64, p = 0.0612), and 24 (odds ratio = 0.43, p = 0.3452). Effect of paclitaxel-coated balloons was statistically significant for cohort studies at months 6 (odds ratio = 0.26, p = 0.0007), 12 (odds ratio = 0.21, p = 0.0001), and 24 (odds ratio = 0.23, p = 0.01). CONCLUSION Paclitaxel-coated balloon showed no statistically significant improvement over conventional balloons in decreasing fistula stenosis in randomized controlled trial but were significant for cohort studies.
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Affiliation(s)
- Sohail Abdul Salim
- Division of Nephrology, Department of Medicine, University of Mississippi Medical Center, Jackson, MS, USA
| | - Hong Tran
- Department of Biostatistics, Virginia Tech, Blacksburg, VA, USA
| | | | - Tibor Fülöp
- Department of Internal Medicine, Division of Nephrology, Medical University of South Carolina, Charleston, SC, USA.,Ralph H. Johnson VA Medical Center, Charleston, SC, USA
| | - Wisit Cheungpasitporn
- Division of Nephrology, Department of Medicine, University of Mississippi Medical Center, Jackson, MS, USA
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Savira F, Magaye R, Hua Y, Liew D, Kaye D, Marwick T, Wang BH. Molecular mechanisms of protein-bound uremic toxin-mediated cardiac, renal and vascular effects: underpinning intracellular targets for cardiorenal syndrome therapy. Toxicol Lett 2019; 308:34-49. [PMID: 30872129 DOI: 10.1016/j.toxlet.2019.03.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 02/21/2019] [Accepted: 03/05/2019] [Indexed: 02/07/2023]
Abstract
Cardiorenal syndrome (CRS) remains a global health burden with a lack of definitive and effective treatment. Protein-bound uremic toxin (PBUT) overload has been identified as a non-traditional risk factor for cardiac, renal and vascular dysfunction due to significant albumin-binding properties, rendering these solutes non-dialyzable upon the state of irreversible kidney dysfunction. Although limited, experimental studies have investigated possible mechanisms in PBUT-mediated cardiac, renal and vascular effects. The ultimate aim is to identify relevant and efficacious targets that may translate beneficial outcomes in disease models and eventually in the clinic. This review will expand on detailed knowledge on mechanisms involved in detrimental effects of PBUT, specifically affecting the heart, kidney and vasculature, and explore potential effective intracellular targets to abolish their effects in CRS initiation and/or progression.
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Affiliation(s)
- Feby Savira
- Monash Centre of Cardiovascular Research and Education in Therapeutics, Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Ruth Magaye
- Monash Centre of Cardiovascular Research and Education in Therapeutics, Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Yue Hua
- Monash Centre of Cardiovascular Research and Education in Therapeutics, Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Danny Liew
- Monash Centre of Cardiovascular Research and Education in Therapeutics, Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - David Kaye
- Baker Heart and Diabetes Research Institute, Melbourne, Victoria, Australia
| | - Tom Marwick
- Baker Heart and Diabetes Research Institute, Melbourne, Victoria, Australia
| | - Bing Hui Wang
- Monash Centre of Cardiovascular Research and Education in Therapeutics, Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia; Baker Heart and Diabetes Research Institute, Melbourne, Victoria, Australia.
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Chronic kidney disease induced by an adenine rich diet upregulates integrin linked kinase (ILK) and its depletion prevents the disease progression. Biochim Biophys Acta Mol Basis Dis 2019; 1865:1284-1297. [PMID: 30726718 DOI: 10.1016/j.bbadis.2019.01.024] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Revised: 12/21/2018] [Accepted: 01/23/2019] [Indexed: 01/06/2023]
Abstract
Kidney fibrosis is one of the main pathological findings of progressive chronic kidney disease (CKD) although the pathogenesis of renal scar formation remains incompletely explained. Integrin-linked kinase (ILK), a major scaffold protein between the extracellular matrix (ECM) and intracellular signaling pathways, is involved in several pathophysiological processes during renal damage. However, ILK contribution in the CKD progress remains to be fully elucidated. In the present work, we studied 1) the renal functional and structural consequences of CKD genesis and progression when ILK is depleted and 2) the potential of ILK depletion as a therapeutic approach to delay CKD progression. We induced an experimental CKD model, based on an adenine-supplemented diet on adult wild-type (WT) and ILK-depleted mice, with a tubulointerstitial damage profile resembling that is observed in human CKD. The adenine diet induced in WT mice a progressive increase in plasma creatinine and urea concentrations. In the renal cortex it was also observed tubular damage, interstitial fibrosis and progressive increased ECM components, pro-inflammatory and chemo-attractant cytokines, EMT markers and TGF-β1 expressions. These observations were highly correlated to a simultaneous increase of ILK expression and activity. In adenine-fed transgenic ILK-depleted mice, all these changes were prevented. Additionally, we evaluated the potential role of ILK depletion to be applied after the disease induction, as an effective approach to interventions in human CKD subjects. In this scenario, two weeks after the establishment of adenine-induced CKD, ILK was abrogated in WT mice and stabilized renal damage, avoiding CKD progression. We propose ILK to be a potential target to delay renal disease progression.
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14
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Pathophysiology and treatment of cardiovascular disease in pediatric chronic kidney disease. Pediatr Nephrol 2019; 34:1-10. [PMID: 28939921 DOI: 10.1007/s00467-017-3798-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 08/19/2017] [Accepted: 08/21/2017] [Indexed: 01/01/2023]
Abstract
Life expectancy in patients with all stages of chronic kidney disease (CKD) falls far short of that in the general population. Cardiovascular disease is the leading cause of mortality in pediatric patients with CKD. In contrast to the intimal atherosclerotic lesions that characterize cardiovascular disease in the general population, vascular endothelial dysfunction, medial arterial calcification, and cardiac dysfunction contribute to cardiovascular pathological conditions in CKD. The pathogenesis of these lesions, the origins of which can be identified in the absence of traditional cardiovascular risk factors, is incompletely understood. CKD-mediated vascular calcification in CKD is characterized by a transition of vascular smooth muscle cells to an osteoblast-like phenotype and altered bone and mineral metabolism are strongly linked to progressive cardiovascular disease in this population. Renal osteodystrophy therapies, including phosphate binders, vitamin D analogs, and calcimimetics, have an impact on the progression of cardiovascular disease. However, cardiovascular disease has its origins before the development of secondary hyperparathyroidism, and optimal therapeutic regimens that minimize cardiac dysfunction, vascular calcification, and early mortality remain to be defined.
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15
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Hatem-Vaquero M, de Frutos S, Luengo A, González Abajo A, Griera M, Rodríguez-Puyol M, Rodríguez-Puyol D, Calleros L. Contribution of uraemic toxins to the vascular fibrosis associated with chronic kidney disease. Nefrologia 2018; 38:639-646. [PMID: 30337107 DOI: 10.1016/j.nefro.2018.07.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 05/21/2018] [Accepted: 07/03/2018] [Indexed: 10/28/2022] Open
Abstract
BACKGROUND Patients with chronic kidney disease present with an accumulation of uraemic toxins, which have been identified as pathogenic agents associated with cardiovascular mortality, which is very high is this patient group. A phenomenon common to the progressive renal dysfunction and associated vascular damage, is the abnormal accumulation of extracellular matrix (ECM) proteins in the renal or vascular structures. OBJECTIVE To determine the contribution of uraemia or the uraemic toxins to the production of cytokinins and ECM in aortas of uraemic animals or human aortic smooth muscle cells (HASMCs). MATERIALS AND METHODS Mice were used with uraemia induced by a diet rich in adenine (0.2%) for 2, 4 or 6 weeks. Kidney function was evaluated by means of urine volume, plasma levels of creatinine, urea, fractional excretion of sodium, and vascular damage using histology, as well as protein expression using RT-qPCR. The HASMCs were incubated in vitro with uraemic toxins: p-cresol 10-100 (μg/ml) and indoxyl-sulphate25-100 (μg/ml) alone or simultaneously. The protein expression was evaluated using Western blot and confocal microscopy. RESULTS The administration of adenine produced progressive kidney damage in the mice, thickening of the aortic wall, and increasing the expression of TGF-β1 and ECM proteins. The toxins at high doses and combined also induced the expression of TGF-β1 and ECM proteins by the HASMCs. CONCLUSIONS The uraemia produced by an adenine rich diet or high doses of uraemic toxins induced the abnormal deposit of ECM proteins in the vascular wall or its production by HASMCs. The understanding of the mechanisms that underlie this pathophysiological process may be useful in the prevention of cardiovascular damage associated with the progress of chronic kidney disease, a disease, at the moment that is irreversible and occasional silent until its diagnosis in advanced stages.
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Affiliation(s)
- Marco Hatem-Vaquero
- Departamento de Biología de Sistemas, Universidad de Alcalá, Alcalá de Henares, Madrid, España; Fundación Renal Íñigo Álvarez de Toledo (FRIAT), Madrid, España; Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, España; Red de Investigación Renal (REDinREN), Instituto de Salud Carlos III, Madrid, España
| | - Sergio de Frutos
- Departamento de Biología de Sistemas, Universidad de Alcalá, Alcalá de Henares, Madrid, España; Fundación Renal Íñigo Álvarez de Toledo (FRIAT), Madrid, España; Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, España; Red de Investigación Renal (REDinREN), Instituto de Salud Carlos III, Madrid, España
| | - Alicia Luengo
- Departamento de Biología de Sistemas, Universidad de Alcalá, Alcalá de Henares, Madrid, España; Fundación Renal Íñigo Álvarez de Toledo (FRIAT), Madrid, España; Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, España
| | - Alba González Abajo
- Fundación Renal Íñigo Álvarez de Toledo (FRIAT), Madrid, España; Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, España; Red de Investigación Renal (REDinREN), Instituto de Salud Carlos III, Madrid, España; Sección de Nefrología y Fundación para la Investigación, Hospital Universitario Príncipe de Asturias, Alcalá de Henares, Madrid, España
| | - Mercedes Griera
- Departamento de Biología de Sistemas, Universidad de Alcalá, Alcalá de Henares, Madrid, España; Fundación Renal Íñigo Álvarez de Toledo (FRIAT), Madrid, España; Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, España; Red de Investigación Renal (REDinREN), Instituto de Salud Carlos III, Madrid, España
| | - Manuel Rodríguez-Puyol
- Departamento de Biología de Sistemas, Universidad de Alcalá, Alcalá de Henares, Madrid, España; Fundación Renal Íñigo Álvarez de Toledo (FRIAT), Madrid, España; Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, España
| | - Diego Rodríguez-Puyol
- Fundación Renal Íñigo Álvarez de Toledo (FRIAT), Madrid, España; Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, España; Red de Investigación Renal (REDinREN), Instituto de Salud Carlos III, Madrid, España; Sección de Nefrología y Fundación para la Investigación, Hospital Universitario Príncipe de Asturias, Alcalá de Henares, Madrid, España; Departamento de Medicina y Especialidades Médicas, Universidad de Alcalá, Alcalá de Henares, Madrid, España
| | - Laura Calleros
- Departamento de Biología de Sistemas, Universidad de Alcalá, Alcalá de Henares, Madrid, España; Fundación Renal Íñigo Álvarez de Toledo (FRIAT), Madrid, España; Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, España; Red de Investigación Renal (REDinREN), Instituto de Salud Carlos III, Madrid, España.
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16
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Lai CF, Chen YT, Gu J, Nerbonne JM, Lin CH, Yang KC. Circulating long noncoding RNA DKFZP434I0714 predicts adverse cardiovascular outcomes in patients with end-stage renal disease. Int J Cardiol 2018; 277:212-219. [PMID: 30097337 DOI: 10.1016/j.ijcard.2018.08.013] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 06/25/2018] [Accepted: 08/04/2018] [Indexed: 12/11/2022]
Abstract
BACKGROUND Cardiovascular (CV) diseases are major causes of mortality in uremic patients. Conventional risk factors fail to identify uremic patients with increased propensity for adverse CV outcomes. We aimed to test the hypothesis that circulating long noncoding RNAs (lncRNAs) could be a prognostic marker to predict adverse CV outcomes in uremic patients. METHODS AND RESULTS Plasma lncRNAs were profiled in patients with end-stage renal disease (ESRD, n = 28) or chronic kidney disease (CKD, n = 8) and in healthy (n = 12) subjects by RNA sequencing. A total of 179 lncRNAs were significantly dysregulated with ESRD; the expression signature of plasma lncRNAs distinguished ESRD from both CKD and control samples. Analysis on a microarray dataset obtained from renal biopsy samples of patients with advanced kidney disease (GSE66494) revealed that a significant proportion of plasma lncRNAs (30.7%) and mRNAs (49.5%) dysregulated with uremia were similarly dysregulated in diseased kidneys, suggesting that plasma RNA profiles mirror the transcriptomal changes in diseased kidney tissues. Further analyses identified eight plasma lncRNAs as potential predictors of adverse CV outcomes in uremic patients. Validation study in an independent cohort of ESRD patients (n = 111) confirmed that elevated plasma lncRNA DKFZP434I0714 is a significant independent predictor of adverse CV outcomes in uremic patients. Additional experiments demonstrated the functional involvement of DKFZP434I0714 in the pathogenesis of endothelial dysfunction. CONCLUSIONS In summary, plasma lncRNA expression signature reflects the disease states of uremia. Elevated plasma levels of lncRNA DKFZP434I0714 in uremic patients portend a worse CV outcome and warrant closer monitoring and more aggressive management.
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Affiliation(s)
- Chun-Fu Lai
- Division of Nephrology, Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Yen-Ting Chen
- Graduate Institute of Pharmacology, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Jian Gu
- Thermo Fisher Scientific, Austin, TX, USA
| | - Jeanne M Nerbonne
- Department of Developmental Biology and Center for Cardiovascular Research, Washington University School of Medicine, St Louis, MO, USA
| | - Chin-Hsien Lin
- Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan.
| | - Kai-Chien Yang
- Graduate Institute of Pharmacology, National Taiwan University College of Medicine, Taipei, Taiwan; Division of Cardiology, Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan.
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Chen ZW, Miu HF, Wang HP, Wu ZN, Wang WJ, Ling YJ, Xu XH, Sun HJ, Jiang X. Pterostilbene protects against uraemia serum-induced endothelial cell damage via activation of Keap1/Nrf2/HO-1 signaling. Int Urol Nephrol 2017; 50:559-570. [DOI: 10.1007/s11255-017-1734-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Accepted: 10/25/2017] [Indexed: 12/11/2022]
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Siddiqui MA, Ashraff S, Santos D, Carline T. An overview of AVF maturation and endothelial dysfunction in an advanced renal failure. RENAL REPLACEMENT THERAPY 2017. [DOI: 10.1186/s41100-017-0123-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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19
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Hatem-Vaquero M, Griera M, García-Jerez A, Luengo A, Álvarez J, Rubio JA, Calleros L, Rodríguez-Puyol D, Rodríguez-Puyol M, De Frutos S. Peripheral insulin resistance in ILK-depleted mice by reduction of GLUT4 expression. J Endocrinol 2017; 234:115-128. [PMID: 28490443 DOI: 10.1530/joe-16-0662] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Accepted: 05/10/2017] [Indexed: 12/15/2022]
Abstract
The development of insulin resistance is characterized by the impairment of glucose uptake mediated by glucose transporter 4 (GLUT4). Extracellular matrix changes are induced when the metabolic dysregulation is sustained. The present work was devoted to analyze the possible link between the extracellular-to-intracellular mediator integrin-linked kinase (ILK) and the peripheral tissue modification that leads to glucose homeostasis impairment. Mice with general depletion of ILK in adulthood (cKD-ILK) maintained in a chow diet exhibited increased glycemia and insulinemia concurrently with a reduction of the expression and membrane presence of GLUT4 in the insulin-sensitive peripheral tissues compared with their wild-type littermates (WT). Tolerance tests and insulin sensitivity indexes confirmed the insulin resistance in cKD-ILK, suggesting a similar stage to prediabetes in humans. Under randomly fed conditions, no differences between cKD-ILK and WT were observed in the expression of insulin receptor (IR-B) and its substrate IRS-1 expressions. The IR-B isoform phosphorylated at tyrosines 1150/1151 was increased, but the AKT phosphorylation in serine 473 was reduced in cKD-ILK tissues. Similarly, ILK-blocked myotubes reduced their GLUT4 promoter activity and GLUT4 expression levels. On the other hand, the glucose uptake capacity in response to exogenous insulin was impaired when ILK was blocked in vivo and in vitro, although IR/IRS/AKT phosphorylation states were increased but not different between groups. We conclude that ILK depletion modifies the transcription of GLUT4, which results in reduced peripheral insulin sensitivity and glucose uptake, suggesting ILK as a molecular target and a prognostic biomarker of insulin resistance.
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Affiliation(s)
- Marco Hatem-Vaquero
- Department of Systems BiologyPhysiology Unit, Universidad de Alcalá, Madrid, Spain
- Instituto Reina Sofía de Investigación Renal and REDinREN from Instituto de Salud Carlos IIIMadrid, Spain
| | - Mercedes Griera
- Department of Systems BiologyPhysiology Unit, Universidad de Alcalá, Madrid, Spain
- Instituto Reina Sofía de Investigación Renal and REDinREN from Instituto de Salud Carlos IIIMadrid, Spain
| | - Andrea García-Jerez
- Department of Systems BiologyPhysiology Unit, Universidad de Alcalá, Madrid, Spain
- Instituto Reina Sofía de Investigación Renal and REDinREN from Instituto de Salud Carlos IIIMadrid, Spain
| | - Alicia Luengo
- Department of Systems BiologyPhysiology Unit, Universidad de Alcalá, Madrid, Spain
- Instituto Reina Sofía de Investigación Renal and REDinREN from Instituto de Salud Carlos IIIMadrid, Spain
| | - Julia Álvarez
- Endocrinology and Nutrition DepartmentHospital Príncipe de Asturias, Madrid, Spain
| | - José A Rubio
- Endocrinology and Nutrition DepartmentHospital Príncipe de Asturias, Madrid, Spain
| | - Laura Calleros
- Department of Systems BiologyPhysiology Unit, Universidad de Alcalá, Madrid, Spain
- Instituto Reina Sofía de Investigación Renal and REDinREN from Instituto de Salud Carlos IIIMadrid, Spain
| | - Diego Rodríguez-Puyol
- Instituto Reina Sofía de Investigación Renal and REDinREN from Instituto de Salud Carlos IIIMadrid, Spain
- Biomedical Research Foundation and Nephrology DepartmentHospital Príncipe de Asturias, Madrid, Spain
- Department of Systems BiologyPhysiology Unit, Universidad de Alcalá, Madrid, Spain
| | - Manuel Rodríguez-Puyol
- Department of Systems BiologyPhysiology Unit, Universidad de Alcalá, Madrid, Spain
- Instituto Reina Sofía de Investigación Renal and REDinREN from Instituto de Salud Carlos IIIMadrid, Spain
| | - Sergio De Frutos
- Department of Systems BiologyPhysiology Unit, Universidad de Alcalá, Madrid, Spain
- Instituto Reina Sofía de Investigación Renal and REDinREN from Instituto de Salud Carlos IIIMadrid, Spain
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Sato H, Coburn J. Leptospira interrogans causes quantitative and morphological disturbances in adherens junctions and other biological groups of proteins in human endothelial cells. PLoS Negl Trop Dis 2017; 11:e0005830. [PMID: 28750011 PMCID: PMC5549773 DOI: 10.1371/journal.pntd.0005830] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Revised: 08/08/2017] [Accepted: 07/24/2017] [Indexed: 12/21/2022] Open
Abstract
Pathogenic Leptospira transmits from animals to humans, causing the zoonotic life-threatening infection called leptospirosis. This infection is reported worldwide with higher risk in tropical regions. Symptoms of leptospirosis range from mild illness to severe illness such as liver damage, kidney failure, respiratory distress, meningitis, and fatal hemorrhagic disease. Invasive species of Leptospira rapidly disseminate to multiple tissues where this bacterium damages host endothelial cells, increasing vascular permeability. Despite the burden in humans and animals, the pathogenic mechanisms of Leptospira infection remain to be elucidated. The pathogenic leptospires adhere to endothelial cells and permeabilize endothelial barriers in vivo and in vitro. In this study, human endothelial cells were infected with the pathogenic L. interrogans serovar Copenhageni or the saprophyte L. biflexa serovar Patoc to investigate morphological changes and other distinctive phenotypes of host cell proteins by fluorescence microscopy. Among those analyzed, 17 proteins from five biological classes demonstrated distinctive phenotypes in morphology and/or signal intensity upon infection with Leptospira. The affected biological groups include: 1) extracellular matrix, 2) intercellular adhesion molecules and cell surface receptors, 3) intracellular proteins, 4) cell-cell junction proteins, and 5) a cytoskeletal protein. Infection with the pathogenic strain most profoundly disturbed the biological structures of adherens junctions (VE-cadherin and catenins) and actin filaments. Our data illuminate morphological disruptions and reduced signals of cell-cell junction proteins and filamentous actin in L. interrogans-infected endothelial cells. In addition, Leptospira infection, regardless of pathogenic status, influenced other host proteins belonging to multiple biological classes. Our data suggest that this zoonotic agent may damage endothelial cells via multiple cascades or pathways including endothelial barrier damage and inflammation, potentially leading to vascular hyperpermeability and severe illness in vivo. This work provides new insights into the pathophysiological mechanisms of Leptospira infection.
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Affiliation(s)
- Hiromi Sato
- Center for Infectious Disease Research, Department of Medicine, Division of Infectious Diseases, Medical College of Wisconsin, Milwaukee, WI, United States of America
| | - Jenifer Coburn
- Center for Infectious Disease Research, Department of Medicine, Division of Infectious Diseases, Medical College of Wisconsin, Milwaukee, WI, United States of America
- * E-mail:
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Guo J, Lu L, Hua Y, Huang K, Wang I, Huang L, Fu Q, Chen A, Chan P, Fan H, Liu ZM, Wang BH. Vasculopathy in the setting of cardiorenal syndrome: roles of protein-bound uremic toxins. Am J Physiol Heart Circ Physiol 2017; 313:H1-H13. [PMID: 28411233 DOI: 10.1152/ajpheart.00787.2016] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Revised: 04/10/2017] [Accepted: 04/10/2017] [Indexed: 12/13/2022]
Abstract
Chronic kidney disease (CKD) often leads to and accelerates the progression of cardiovascular disease (CVD), while CVD also causes kidney dysfunction. This bidirectional interaction leads to the development of a complex syndrome known as cardiorenal syndrome (CRS). CRS not only involves both the heart and the kidney but also the vascular system through a vast array of contributing factors. In addition to hemodynamic, neurohormonal, mechanical, and biochemical factors, nondialyzable protein-bound uremic toxins (PBUTs) are also key contributing factors that have been demonstrated through in vitro, in vivo, and clinical observations. PBUTs are ineffectively removed by hemodialysis because their complexes with albumins are larger than the pores of the dialysis membranes. PBUTs such as indoxyl sulfate and p-cresyl sulfate are key determinate and predictive factors for the progression of CVD in CKD patients. In CRS, both vascular smooth muscle cells (VSMCs) and endothelial cells (ECs) exhibit significant dysfunction that is associated with the progression of CVD. PBUTs influence proliferation, calcification, senescence, migration, inflammation, and oxidative stress in VSMCs and ECs through various mechanisms. These pathological changes lead to arterial remodeling, stiffness, and atherosclerosis and thus reduce heart perfusion and impair left ventricular function, aggravating CRS. There is limited literature about the effect of PBUT on the vascular system and their contribution to CRS. This review summarizes current knowledge on how PBUTs influence vasculature, clarifies the relationship between uremic toxin-related vascular disease and CRS, and highlights the potential therapeutic strategies of uremic vasculopathy in the setting of CRS.
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Affiliation(s)
- Jingbin Guo
- Centre of Cardiovascular Research and Education in Therapeutics, Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia.,Department of Cardiology, Zhujiang Hospital, Southern Medical University, Guangzhou, China.,Guangdong Provincial Center of Biomedical Engineering for Cardiovascular Diseases, Guangzhou, China
| | - Lu Lu
- Centre of Cardiovascular Research and Education in Therapeutics, Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia.,School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Yue Hua
- Centre of Cardiovascular Research and Education in Therapeutics, Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia.,School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Kevin Huang
- Centre of Cardiovascular Research and Education in Therapeutics, Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Ian Wang
- Centre of Cardiovascular Research and Education in Therapeutics, Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia;
| | - Li Huang
- Centre of Cardiovascular Research and Education in Therapeutics, Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Qiang Fu
- Department of Cardiology, Zhujiang Hospital, Southern Medical University, Guangzhou, China.,Guangdong Provincial Center of Biomedical Engineering for Cardiovascular Diseases, Guangzhou, China
| | - Aihua Chen
- Department of Cardiology, Zhujiang Hospital, Southern Medical University, Guangzhou, China.,Guangdong Provincial Center of Biomedical Engineering for Cardiovascular Diseases, Guangzhou, China
| | - Paul Chan
- Department of Cardiac Surgery, Shanghai East Hospital, Tongji University, Shanghai, China; and.,Division of Cardiology, Department of Internal Medicine, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
| | - Huimin Fan
- Department of Cardiac Surgery, Shanghai East Hospital, Tongji University, Shanghai, China; and
| | - Zhong-Min Liu
- Department of Cardiac Surgery, Shanghai East Hospital, Tongji University, Shanghai, China; and
| | - Bing Hui Wang
- Centre of Cardiovascular Research and Education in Therapeutics, Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia;
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22
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Calleros-Basilio L, Cortés MA, García-Jerez A, Luengo-Rodríguez A, Orozco-Agudo A, Valdivielso JM, Rodríguez-Puyol D, Rodríguez-Puyol M. Quality Assurance of Samples and Processes in the Spanish Renal Research Network (REDinREN) Biobank. Biopreserv Biobank 2016; 14:499-510. [PMID: 27541936 DOI: 10.1089/bio.2015.0095] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Biobanks are useful platforms to build bridges between basic, translational, and clinical research and clinical care. They are repositories of high-quality human biological samples ideal for evaluating their histological characteristics and also their genome, transcriptome, and proteome. The Spanish Renal Research Network Biobank contains more than 76,500 well-preserved frozen samples of a wide variety of kidney diseases, collected from 5450 patients seen by over 70 nephrology services throughout the Spanish territory. OBJECTIVE To determine and to report the results of the quality control of samples and processes conducted in our biobank, implemented in accordance with the requirements of the ISO 9001:2008 international standard. STUDY DESIGN Two types of quality controls were performed: (1) systematic, that is, measurement of viable peripheral blood mononuclear cells (PBMCs) obtained and purity of nucleic acids and (2) ad-hoc, that is, viability of thawed PBMC, DNA extraction process reproducibility, and the integrity and functionality of nucleic acids, implemented on a routine basis. METHODS AND RESULTS PBMC isolation by Ficoll yielded reproducible results and its cryopreserved viability was >90%. Acceptable A260/A280 ratios were obtained for the vast majority of the DNA (n = 2328) and RNA (n = 78) samples analyzed. DNA integrity was demonstrated by agarose gels and by β-globulin gene polymerase chain reaction (PCR) amplification of 1327 and 989 bp fragments. DNA of acceptable quality had at least three bands of β-globulin amplified obtained (n = 26/30). RNA integrity number (RIN) determinations obtained RIN numbers ≥7 (n = 87/96). The amplifiability of nucleic acids was confirmed by qPCR and RT-qPCR of β-actin and GAPDH genes. Long storage or delayed processing time did not affect the quality of the samples analyzed. The processes of DNA extraction also yielded reproducible results. CONCLUSIONS These results clearly indicate that our PBMC, DNA, and RNA stored samples meet the required quality standards to be used for biomedical research, ensuring their long-term preservation.
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Affiliation(s)
- Laura Calleros-Basilio
- 1 Physiology Unit, Department of Systems Biology, Medicine School, Alcala University , Madrid, Spain .,2 IRSIN and REDinREN (Instituto de Salud Carlos III), Madrid, Spain
| | - María Alicia Cortés
- 3 CONICET (Consejo Nacional de Investigaciones Científicas y Técnicas), Medicine School, Universidad Nacional del Nordeste , Corrientes, Argentina
| | - Andrea García-Jerez
- 1 Physiology Unit, Department of Systems Biology, Medicine School, Alcala University , Madrid, Spain .,2 IRSIN and REDinREN (Instituto de Salud Carlos III), Madrid, Spain
| | - Alicia Luengo-Rodríguez
- 1 Physiology Unit, Department of Systems Biology, Medicine School, Alcala University , Madrid, Spain .,2 IRSIN and REDinREN (Instituto de Salud Carlos III), Madrid, Spain
| | - Ana Orozco-Agudo
- 1 Physiology Unit, Department of Systems Biology, Medicine School, Alcala University , Madrid, Spain .,2 IRSIN and REDinREN (Instituto de Salud Carlos III), Madrid, Spain
| | - José Manuel Valdivielso
- 2 IRSIN and REDinREN (Instituto de Salud Carlos III), Madrid, Spain .,4 Department of Experimental Nephrology, Institut de Recerca Biomédica de Lleida, Universitat de Lleida , Lleida, Spain
| | - Diego Rodríguez-Puyol
- 2 IRSIN and REDinREN (Instituto de Salud Carlos III), Madrid, Spain .,5 Nephrology Section and Research Unit, Hospital Universitario Príncipe de Asturias , Alcalá de Henares, Madrid, Spain
| | - Manuel Rodríguez-Puyol
- 1 Physiology Unit, Department of Systems Biology, Medicine School, Alcala University , Madrid, Spain .,2 IRSIN and REDinREN (Instituto de Salud Carlos III), Madrid, Spain
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23
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North American ginseng inhibits myocardial NOX2-ERK1/2 signaling and tumor necrosis factor-α expression in endotoxemia. Pharmacol Res 2016; 111:217-225. [PMID: 27317946 DOI: 10.1016/j.phrs.2016.06.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2016] [Revised: 05/24/2016] [Accepted: 06/09/2016] [Indexed: 11/21/2022]
Abstract
Sepsis is a systemic inflammatory response to infection with a high mortality but has no specific treatment despite decades of research. North American (NA) ginseng (Panax quinquefolius) is a popular natural health product with anti-oxidant and anti-inflammatory properties. The aim of the present study was to investigate the effects of NA ginseng on pro-inflammatory cytokine expression and cardiac function in endotoxemia, a model of sepsis. Mice were challenged with lipopolysaccharide (LPS) to induce endotoxemia. Myocardial expression of tumor necrosis factor-alpha (TNF-α), a major pro-inflammatory cytokine that causes cardiac dysfunction, was upregulated in mice with endotoxemia, which was accompanied by increases in NOX2 expression, superoxide generation and ERK1/2 phosphorylation. Notably, pretreatment with NA ginseng aqueous extract (50mg/kg/day, oral gavage) for 5days significantly inhibited NOX2 expression, superoxide generation, ERK1/2 phosphorylation and TNF-α expression in the heart during endotoxemia. Importantly, cardiac function and survival in endotoxemic mice were significantly improved. Additionally, pretreatment with ginseng extract inhibited superoxide generation, ERK1/2 phosphorylation and TNF-α expression induced by LPS in cultured cardiomyocytes. We conclude that NA ginseng inhibits myocardial NOX2-ERK1/2-TNF-α signaling pathway and improves cardiac function in endotoxemia, suggesting that NA ginseng may have the potential in the prevention of clinical sepsis.
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