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Xu L, Jiang H, Xie J, Xu Q, Zhou J, Lu X, Wang M, Dong L, Zuo D. Mannan-binding lectin ameliorates renal fibrosis by suppressing macrophage-to-myofibroblast transition. Heliyon 2023; 9:e21882. [PMID: 38034794 PMCID: PMC10685189 DOI: 10.1016/j.heliyon.2023.e21882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 09/21/2023] [Accepted: 10/31/2023] [Indexed: 12/02/2023] Open
Abstract
Mannan-binding lectin (MBL) is a pattern-recognition molecule that plays a crucial role in innate immunity. MBL deficiency correlates with an increased risk of chronic kidney disease (CKD). However, the molecular mechanisms are not fully defined. Here, we established a CKD model in wild-type (WT) and MBL-deficient (MBL-/-) mice via unilateral ureteral obstruction (UUO). The result showed that MBL deficiency aggravated the pathogenesis of renal fibrosis in CKD mice. Strikingly, the in vivo macrophage depletion investigation revealed that macrophages play an essential role in the MBL-mediated suppression of renal fibrosis. We found that MBL limited the progression of macrophage-to-myofibroblast transition (MMT) in kidney tissues of UUO mice. Further in vitro study showed that MBL-/- macrophages exhibited significantly increased levels of fibrotic-related molecules compared with WT cells upon transforming growth factor beta (TGF-β) stimulation. We demonstrated that MBL inhibited the MMT process by suppressing the production of matrix metalloproteinase 9 (MMP-9) and activation of Akt signaling. In summary, our study revealed an expected role of MBL on macrophage transition during renal fibrosis, thus offering new insight into the potential of MBL as a therapeutic target for CKD.
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Affiliation(s)
- Li Xu
- Clinical Research Institute of Zhanjiang, Guangdong Medical University Zhanjiang Central Hospital, Zhanjiang, Guangdong Province, 524045, China
| | - Honglian Jiang
- Department of Laboratory Medicine, Guangzhou First People's Hospital, Guangzhou, Guangdong, 510030, China
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Jingwen Xie
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Qishan Xu
- Clinical Research Institute of Zhanjiang, Guangdong Medical University Zhanjiang Central Hospital, Zhanjiang, Guangdong Province, 524045, China
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Jia Zhou
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Xiao Lu
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Mingyong Wang
- Xinxiang Key Laboratory of Immunoregulation and Molecular Diagnostics, School of Medical Technology, Xinxiang Medical University, Xinxiang, 453003, China
- School of Medical Technology, Shangqiu Medical College, Shangqiu, 476100, China
| | - Lijun Dong
- Division of Vascular and Interventional Radiology, Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Daming Zuo
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong, 510515, China
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Matrix metalloproteinases and tissue inhibitors of matrix metalloproteinases in kidney disease. Adv Clin Chem 2021; 105:141-212. [PMID: 34809827 DOI: 10.1016/bs.acc.2021.02.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Matrix metalloproteinases (MMPs) are a group of zinc and calcium endopeptidases which cleave extracellular matrix (ECM) proteins. They are also involved in the degradation of cell surface components and regulate multiple cellular processes, cell to cell interactions, cell proliferation, and cell signaling pathways. MMPs function in close interaction with the endogenous tissue inhibitors of matrix metalloproteinases (TIMPs), both of which regulate cell turnover, modulate various growth factors, and participate in the progression of tissue fibrosis and apoptosis. The multiple roles of MMPs and TIMPs are continuously elucidated in kidney development and repair, as well as in a number of kidney diseases. This chapter focuses on the current findings of the significance of MMPs and TIMPs in a wide range of kidney diseases, whether they result from kidney tissue changes, hemodynamic alterations, tubular epithelial cell apoptosis, inflammation, or fibrosis. In addition, the potential use of these endopeptidases as biomarkers of renal dysfunction and as targets for therapeutic interventions to attenuate kidney disease are also explored in this review.
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Zhao H, Dong Y, Tian X, Tan TK, Liu Z, Zhao Y, Zhang Y, Harris DCH, Zheng G. Matrix metalloproteinases contribute to kidney fibrosis in chronic kidney diseases. World J Nephrol 2013; 2:84-89. [PMID: 24255890 PMCID: PMC3832915 DOI: 10.5527/wjn.v2.i3.84] [Citation(s) in RCA: 101] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2013] [Revised: 08/15/2013] [Accepted: 08/20/2013] [Indexed: 02/06/2023] Open
Abstract
Matrix metalloproteinases (MMPs) are members of the neutral proteinase family. They were previously thought to be anti-fibrotic because of their ability to degrade and remodel of extracellular matrix. However, recent studies have shown that MMPs are implicated in initiation and progression of kidney fibrosis through tubular cell epithelial–mesenchymal transition (EMT) as well as activation of resident fibroblasts, endothelial-mesenchymal transition (EndoMT) and pericyte-myofibroblast transdifferentiation. Interstitial macrophage infiltration has also been shown to correlate with the severity of kidney fibrosis in various chronic kidney diseases. MMPs secreted by macrophages, especially MMP-9, has been shown by us to be profibrotic by induction of tubular cells EMT. EMT is mainly induced by transforming growth factor-β (TGF-β). However, MMP-9 was found by us and others to be up-regulated by TGF-β1 in kidney tubular epithelial cells and secreted by activated macrophages, resulting in EMT and ultimately kidney fibrosis. Therefore, MMP-9 may serve as a potential therapeutic target to prevent kidney fibrosis in chronic kidney disease. This review, by a particular focus on EMT, seeks to provide a comprehensive understanding of MMPs, especially MMP-9, in kidney fibrosis.
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Functional matrix metalloproteinase (MMP)-9 genetic variants modify the effects of hemodialysis on circulating MMP-9 levels. Clin Chim Acta 2012; 414:46-51. [DOI: 10.1016/j.cca.2012.08.014] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2012] [Revised: 08/09/2012] [Accepted: 08/14/2012] [Indexed: 01/03/2023]
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Okada R, Kawai S, Naito M, Hishida A, Hamajima N, Shinchi K, Chowdhury Turin T, Suzuki S, Mantjoro EM, Toyomura K, Arisawa K, Kuriyama N, Hosono S, Mikami H, Kubo M, Tanaka H, Wakai K. Matrix metalloproteinase-9 gene polymorphisms and chronic kidney disease. Am J Nephrol 2012; 36:444-50. [PMID: 23128247 DOI: 10.1159/000343742] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2012] [Accepted: 09/22/2012] [Indexed: 12/17/2022]
Abstract
BACKGROUND The aim of this study was to explore the associations between the prevalence of chronic kidney disease (CKD) and polymorphisms in the genes encoding matrix metalloproteinases (MMPs) and tissue inhibitor of matrix metalloproteinases (TIMPs). MMPs degrade extracellular matrix proteins in the glomerulus, and play important roles in kidney disease progression. METHODS DNA samples from 3,309 subjects aged 35-69 years were genotyped for 10 potentially functional polymorphisms in MMP and TIMP genes. The prevalence of CKD (estimated glomerular filtration rate <60 ml/min/1.73 m(2)) was compared among the genotypes. RESULTS The prevalence of CKD decreased significantly with the number of minor alleles in MMP9 C-1562T (odds ratios (ORs) 0.77 for CT and 0.65 for TT compared with CC; p for trend = 0.023) and MMP9 R668Q (ORs, 0.79 for RQ and 0.64 for QQ compared with RR; p for trend = 0.024). The haplotype MMP9 -1562T/279R/668Q showed a reduced risk for CKD compared with the most common -1562C/279R/668R (OR 0.77, p = 0.008), and the genotype combination -1562TT/ 279RR/668QQ showed a halved risk for CKD compared with major allele homozygous -1562CC/279RR/668RR (OR 0.53, p = 0.091). CONCLUSION The potentially functional polymorphisms of MMP9 were associated with the prevalence of CKD in a large Japanese population. These genotypes have been reported to increase MMP9 expression, supporting the hypothesis that MMP-9 has a protective role in the progression of kidney diseases.
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Affiliation(s)
- Rieko Okada
- Department of Preventive Medicine, Nagoya University Graduate School of Medicine, Japan.
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Analysis of the association of an MMP1 promoter polymorphism and transcript levels with chronic periodontitis and end-stage renal disease in a Brazilian population. Arch Oral Biol 2012; 57:954-63. [DOI: 10.1016/j.archoralbio.2012.01.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2011] [Revised: 01/17/2012] [Accepted: 01/28/2012] [Indexed: 11/17/2022]
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Pawlak K, Mysliwiec M, Pawlak D. Peripheral blood level alterations of MMP-2 and MMP-9 in patients with chronic kidney disease on conservative treatment and on hemodialysis. Clin Biochem 2011; 44:838-43. [PMID: 21515251 DOI: 10.1016/j.clinbiochem.2011.03.143] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2010] [Revised: 02/08/2011] [Accepted: 03/23/2011] [Indexed: 12/16/2022]
Abstract
OBJECTIVES Data concerning the levels of metalloproteinase-2 (MMP-2) and MMP-9 in uremia and dialysis are conflicting and incomplete. DESIGN AND METHODS We measured the serum MMP levels in patients with chronic kidney disease (CKD) and undergoing maintenance hemodialysis (HD), and we tried to identify factors that could affect their levels. RESULTS MMP-2 and the high sensitivity C-reactive protein (hsCRP) were inversely correlated with hematological parameters in the whole CKD group. CKD patients with stages 3+4 showed a significant increase in the MMP-9 levels compared to the other studied groups; this metalloproteinase was inversely correlated with lymphocyte count, and positively correlated with the hsCRP. The MMP-2 levels were higher in pre and post HD patients compared to the control group and CKD stage 1+2. In contrast, there was no difference in the MMP-9 levels. Both MMP-2 and MMP-9 were associated with the leukocyte count in pre HD group. CONCLUSIONS This study suggests a connection between an inflammatory state, biochemical response and the MMP levels in uremic and dialysis patients.
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Affiliation(s)
- Krystyna Pawlak
- Department of Monitored Pharmacotherapy, Medical University, Bialystok, Poland.
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Musiał K, Zwolińska D. Neutrophil gelatinase-associated lipocalin (NGAL) and matrix metalloproteinases as novel stress markers in children and young adults on chronic dialysis. Cell Stress Chaperones 2011; 16:163-71. [PMID: 20853162 PMCID: PMC3059796 DOI: 10.1007/s12192-010-0228-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2010] [Revised: 09/01/2010] [Accepted: 09/08/2010] [Indexed: 01/20/2023] Open
Abstract
Phenomena related to chronic kidney disease, such as atherosclerosis, aggravate with the introduction of dialysis. Matrix metalloproteinases (MMP) and factors modifying their activity, such as their tissue inhibitors (TIMP) or neutrophil gelatinase-associated lipocalin (NGAL), take part in the matrix turnover and the endothelial damage characteristic for atherogenesis. However, there are no data on the associations between these parameters and other known pro-atherogenic factors, or on the impact of various dialysis modalities on them. The aim of our study was to assess the serum concentrations of NGAL, MMP-7, MMP-9, and TIMP-1, as well as their correlations with human heat shock proteins (Hsp90α, anti-Hsp60), endothelial dysfunction (sE-selectin), and inflammation (hsCRP) in pediatric patients chronically dialyzed. Twenty-two children on automated peritoneal dialysis (APD), 17 patients on hemodialysis (HD) and 24 controls were examined. The serum concentrations of NGAL, MMP-7, MMP-9, TIMP-1, Hsp90α, anti-Hsp60, and sE-selectin were assessed by enzyme-linked immunosorbent assay (ELISA). The median values of NGAL, MMP-7, MMP-9, TIMP-1, and MMP-9/NGAL ratio were significantly elevated in all dialyzed children vs. controls and were higher in HD than in APD. The values of MMP-9/TIMP-1 and MMP-7/TIMP-1 ratios in the HD subjects were lower than those in the APD children. Hsp90α and anti-Hsp60 predicted the values of NGAL, MMPs, and TIMP-1. Additionally, sE-selectin was a predictor of NGAL levels, whereas NGAL predicted the MMP and TIMP-1 concentrations. The increased concentrations of examined parameters indicate the dysfunction of MMP/TIMP/NGAL system in the dialyzed children, more pronounced on hemodialysis. The discrepancies between dialysis modalities and correlations with heat shock proteins (HSPs) suggest that NGAL may be considered a novel stress protein, whereas MMP-7, MMP-9, and TIMP-1 may be regarded as indicators of stress response in the pediatric population on chronic dialysis.
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Affiliation(s)
- Kinga Musiał
- Department of Pediatric Nephrology, Wrocław Medical University, M.Skłodowskiej—Curie 50/52, 50-369 Wrocław, Poland
| | - Danuta Zwolińska
- Department of Pediatric Nephrology, Wrocław Medical University, M.Skłodowskiej—Curie 50/52, 50-369 Wrocław, Poland
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He JR, Qin H, Ren ZF, Cui C, Zhang Y, Ranatunga D, Zeng YX, Jia WH. MMP-9 expression in peripheral blood mononuclear cells and the association with clinicopathological features and prognosis of nasopharyngeal carcinoma. Clin Chem Lab Med 2011; 49:705-10. [DOI: 10.1515/cclm.2011.095] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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10
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Effects of standard treatment on the dynamics of matrix metalloproteinases gene expression in patients with acute coronary syndromes. Pharmacol Rep 2010; 62:1108-16. [DOI: 10.1016/s1734-1140(10)70373-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2009] [Revised: 02/04/2010] [Indexed: 11/23/2022]
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Hodkova M, Kalousova M, Dusilova-Sulkova S, Malbohan IM, Zima T. Intravenous Iron Gluconate Administration Increases Circulating PAPP-A in Hemodialysis Patients. Ren Fail 2009; 27:707-11. [PMID: 16350822 DOI: 10.1080/08860220500242868] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
Abstract
BACKGROUND Pregnancy-associated plasma protein-A (PAPP-A) is a proatherosclerotic molecule, interrelated with oxidative stress in hemodialysis (HD) patients. As intravenous (IV) iron might enhance oxidative stress in HD patients, this study investigates circulating PAPP-A during HD session and after IV iron administration. METHODS In 20 HD patients, plasma PAPP-A concentration was assessed immunochemically during 2 HD sessions (prior to HD and at 60, 130, and 240 min of HD session). Sodium ferric gluconate (62.5 mg) was given IV to all patients 65 min after the start of the second HD. RESULTS Sixty-five min after IV iron application, there was a significant increase in plasma PAPP-A (from 36.0+/-9.9 to 79.6+/-28.9 mU/L, p<0.0001). At the end of this HD session, PAPP-A decreased significantly (p<0.0001), but still remained 1.5-fold greater compared with predialysis levels (p<0.0005). CONCLUSION IV iron increases circulating PAPP-A, and in this way, it might contribute to more pronounced cardiovascular complications in HD patients.
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Affiliation(s)
- Magdalena Hodkova
- Institute of Medical Biochemistry, Ist Faculty of Medicine, Charles University, Prague, Czech Republic.
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12
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Sunk IG, Demetriou D, Szendroedi J, Amoyo L, Raffetseder A, Hörl WH, Sunder-Plassmann G, Smolen JS, Bobacz K. Cartilage biomarkers in hemodialysis patients and the effect of beta2-microglobulin on articular chondrocytes. Osteoarthritis Cartilage 2008; 16:1336-42. [PMID: 18457963 DOI: 10.1016/j.joca.2008.03.024] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2007] [Accepted: 03/30/2008] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Dialysis-related amyloidosis (DRA) is a severe complication of maintenance hemodialysis (HD). Given the predominant deposition of beta(2)-microglobulin (beta2m) fibrils on articular cartilage in early DRA, we investigated the significance of beta2m and its relationship to distinct cartilage biomarkers in early DRA diagnosis in HD patients. Furthermore, we assessed the effects of beta2m on articular chondrocytes in vitro. METHODS Serum samples from 133 patients were collected before and after HD. Type II collagen cleavage product (C2C), procollagen II c-propeptide (CPII), aggrecan chondroitin sulfate 846 epitope (CS-486) and cartilage oligomeric matrix protein (COMP) levels were determined by enzyme-linked immunosorbent assay. Primary bovine articular chondrocytes were cultured as monolayers and incubated with beta2m at 1.5mg/l and 20mg/l. Cartilage glucosaminoglycan synthesis was measured by [(35)S]sulfate incorporation. mRNA expression of interleukin (IL)-1beta, matrix metalloproteinases (MMPs)-3 and -9 was measured by reverse-transcriptase polymerase chain reaction (RT-PCR). RESULTS Incubation with beta2m at 20mg/l significantly decreased matrix biosynthesis. PCR analysis revealed an increase of IL-1beta, as well as MMPs-3 and -9 on the mRNA level. C2C/CPII, CS-486 and COMP levels were increased only in a subset of patients without a significant correlation with beta2m concentrations. A subgroup analysis elucidated an increase in type II collagen degradation during the first years of HD, as shown by the elevation of C2C/CPII ratio. CONCLUSION beta2m exerted anti-anabolic effects on articular chondrocytes in vitro and might be involved in cartilage degradation in HD patients. beta2m serum levels, however, did not reflect cartilage degradation in DRA. The assessment of C2C/CPII, CS-486 or COMP concentrations apparently has minor relevance in DRA diagnosis in HD patients. However, the increased type II collagen breakdown within 5 years after HD onset possibly mirrors the early stages of DRA. Thus, the C2C/CPII ratio could be employed in longitudinal studies, since it may reflect a risk for DRA related arthropathy development in a subset of patients.
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Affiliation(s)
- I-G Sunk
- Department of Internal Medicine III, Division of Rheumatology, Medical University of Vienna, Austria
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Yildiz B, Kural N, Colak O, Ak I, Akcar N. IGF-1, IGFBP-3, VEGF and MMP-9 levels and their potential relationship with renal functions in patients with compensatory renal growth. Clin Physiol Funct Imaging 2007; 28:107-12. [PMID: 18093232 DOI: 10.1111/j.1475-097x.2007.00783.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Mechanisms of compensatory renal growth (CRG) still remain a mystery. Various growth factors, including growth hormone, insulin-like growth factor-1 (IGF-1) have been implicated in different forms of CRG. AIMS To investigate the serum levels of IGF-1, vascular endothelial growth factor (VEGF - role in vascular remodelling), matrix metalloproteinase-9 (MMP-9 - essential for normal nephrogenesis) and correlation of renal function in patients with unilateral nephrectomized, agenesis and hypoplasic kidney. METHODS Thirty patients were included in this study. In group I, there were 10 patients with unilateral nephrectomy, while in group II, there were 10 patients with unilateral agenesis. As for group III, there were 10 patients with unilateral hypoplastic kidney. The serum levels of IGF-1, IGF-binding protein-3 (IGFBP-3), VEGF and MMP-9 were studied in all the cases. Clearance of creatinin (Ccr) and protein excretion were examined in the 24 h urine. CRG was determined with ultrasonography and scintigraphy. Twenty-six control subjects were also studied. RESULTS The levels of IGF-1, IGFBP-3, VEGF and MMP-9 were significantly higher in patients than in the control subjects (P < 0.001). Ccr and protein excretion levels were different in study groups than in those of the control group (P < 0.01). There were positive correlations between the serum levels of IGF-1 with IGFBP-3; IGF-1 with MMP-9; IGFBP-3 with MMP-9 (r = 0.825, P = 0.0001; P < 0.001 r = 0.611; P < 0.001 r = 0.585, respectively). There were negative correlations between GFR and the serum levels of IGF-1, IGFBP-3 and MMP-9 (P < 0.01 r = -0.708; P = 0.002 r = -0.803; P < 0.05 r = -0.442, respectively). Furthermore, there were positive correlations between proteinuria and the serum levels of IGF-1, IGFBP-3 and MMP-9 (P = 0.039 r = 0.600; P < 0.05 r = 0.456; P < 0.05 r = 0.424). CONCLUSIONS Increased IGF-1, IGFBP-3, VEGF and MMP-9 were observed in CRG in the follow-up period. IGF-1 and MMP-9 seemed to have increased in patients with CRG in defiance of the development of fibrosis. Moreover, IGF-1 and MMP-9 seem to be associated with reduced renal function and proteinuria.
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Affiliation(s)
- Bilal Yildiz
- Department of Pediatrics Faculty of Medicine, University of Osmangazi, Eskisehir, Turkey
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Kalousová M, Hodková M, Dusilová-Sulková S, Uhrová J, Tesar V, Zima T. Effect of hemodiafiltration on pregnancy-associated plasma protein A (PAPP-A) and related parameters. Ren Fail 2007; 28:715-21. [PMID: 17162432 DOI: 10.1080/08860220600925412] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Abstract
BACKGROUND Dialysis patients are at high risk of vascular/cardiovascular complications with multifactorial pathogenesis, and pregnancy-associated plasma protein A (PAPP-A) is one of the new markers related to cardiovascular risk. Because hemodiafiltration (HDF) is supposed to be better for cardiovascular status, the aim of this study was to describe whether it has any advantage concerning changes of PAPP-A and related molecules during the session in comparison with hemodialysis (HD). METHODS The studied group consisted of 20 chronic hemodialysis patients. In each patient, PAPP-A and related parameters-IGFBP-4 (insulin like growth factor binding protein), IGF-I (insulin like growth factor), and two MMPs (matrix metalloproteinases)-2 and 9-were determined both during a single online HDF session (high-flux polysulfone membrane HF80, postdilution) and during a single HD session (low-flux polysulfone membrane F6, F7) at time 0 (start), 15 min, 120 min, and 240 min (end) of the session. RESULTS PAPP-A, elevated at baseline in dialysis patients, changes significantly both during HDF and HD without significant differences between these two procedures (mean levels during HDF were 24.3, 53.9, 24.3, and 27.3 mIU/L). It increases more than two-fold from 0 to 15 min of the session (p < 0.001) and then decreases until the end of the session (p < 0.001). MMP-2 decreased slightly during both sessions (p < 0.001), and changes of other molecules were only minimal. CONCLUSION A single HDF session compared to HD has no advantage in the decrease of PAPP-A and other tested molecules, all of them related to cardiovascular risk. Studies aimed at a long-term effect of both procedures on these parameters would be needed to further evaluate these therapeutical strategies.
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Affiliation(s)
- Marta Kalousová
- Institute of Clinical Chemistry and Laboratory Diagnostics, 1st Faculty of Medicine, Charles University and General University Hospital, Karlovo nám. 32, 121 11 Prague 2, Czech Republic.
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Leone AK, Chun JA, Koehler CL, Caranto J, King JM. Effect of proinflammatory cytokines, tumor necrosis factor-alpha and interferon-gamma on epithelial barrier function and matrix metalloproteinase-9 in Madin Darby canine kidney cells. Cell Physiol Biochem 2007; 19:99-112. [PMID: 17310104 DOI: 10.1159/000099198] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/06/2006] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Elevated matrix metalloproteinase-9 production during inflammation may be deleterious to epithelial barrier function. Therefore we examined the effect of proinflammatory cytokines on the expression and regulation of matrix metalloproteinase-9 in a model renal epithelial cell system. Tight junctions limit diffusion between compartments and permit directional transport of solutes. Impairment of these junctional complexes by proteolysis may contribute to renal failure through loss of barrier function. METHODS The renal epithelial cell model, MDCK cells were employed to examine metalloproteinase activity and mRNA expression. Epithelial barrier function was determined using paracellular flux studies. RESULTS We found that matrix metalloproteinase-9 expression (MMP-9) and activity is markedly elevated in response to tumor necrosis factor-alpha exposure through a mitogen-activated protein kinase dependent pathway. The MMP-9 is predominately secreted into the apical compartment and elevated MMP-9 expression correlates with impaired cell barrier function that was restored using a specific inhibitor of MMP activity. Addition of recombinant MMP-9 to the apical compartment of MDCK cultures significantly elevated paracellular flux rate. CONCLUSIONS We provide direct evidence for a MMP-9-mediated mechanism that produces junctional disruption. Collectively, these findings support the hypothesis that impaired epithelial barrier function due to activation of tissue/matrix degrading mechanisms occurs in response to specific inflammatory cues.
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Affiliation(s)
- Amanda K Leone
- Southwestern Graduate School of Biomedical Sciences, UT Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, USA
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16
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Pawlak K, Pawlak D, Mysliwiec M. Serum matrix metalloproteinase-2 and increased oxidative stress are associated with carotid atherosclerosis in hemodialyzed patients. Atherosclerosis 2007; 190:199-204. [PMID: 16510149 DOI: 10.1016/j.atherosclerosis.2006.01.020] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2005] [Revised: 01/17/2006] [Accepted: 01/19/2006] [Indexed: 10/25/2022]
Abstract
Matrix metalloproteinases (MMPs)/their inhibitors (TIMPs) system and elevated oxidative stress (SOX) have been implicated as important factors in atherosclerosis and vascular remodeling. The aim of the present study was to investigate whether MMPs/TIMPs system is associated with SOX in hemodialyzed (HD) patients. We compared the serum levels of metalloproteinases and their inhibitors, markers of SOX, inflammation and atherosclerosis between HD patients (n=40) with and without cardiovascular disease (CVD) and controls (n=20). Cu/Zn superoxide dismutase (Cu/Zn SOD) were elevated (all p<0.001), whereas total lipid peroxide levels were similar in HD patients and controls. The autoantibodies against oxidized LDL (OxLDL-Ab) levels were increased only in patients with CVD (p<0.05). Intima media thickness (IMT) in both CVD and in patients without CVD significantly exceeded those in the control (p<0.001 and p<0.01, respectively). Serum pre-HD values of MMP-2, TIMP-1 and TIMP-2 were significantly increased in HD patients, especially in the CVD group (all p<0.001), and they were associated with those of Cu/Zn SOD, IMT and CVD prevalence. Multiple regression analysis showed that MMP-2, Cu/Zn SOD levels and age independently and significantly predicted elevated IMT in HD patients. Our results suggest the association between SOX and the MMPs/TIMPs system in HD patients, which could represent one of the mechanisms involved in the progression of atherosclerosis in this population.
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Affiliation(s)
- Krystyna Pawlak
- Department of Nephrology and Clinical Transplantation, Medical University, 14 Zurawia St, 15-540 Białystok, Poland.
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Pawlak K, Pawlak D, Mysliwiec M. Circulating β-chemokines and matrix metalloproteinase-9/tissue inhibitor of metalloproteinase-1 system in hemodialyzed patients – Role of oxidative stress. Cytokine 2005; 31:18-24. [PMID: 15896974 DOI: 10.1016/j.cyto.2004.12.020] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2004] [Revised: 10/05/2004] [Accepted: 02/21/2005] [Indexed: 12/01/2022]
Abstract
Matrix metalloproteinases (MMPs) and their tissue inhibitors (TIMPs), beta-chemokines, increased oxidative stress (SOX) and inflammation have been implicated as important factors in atherosclerosis and vascular remodeling. We hypothesized the possible roles of beta-chemokines [monocyte chemoattractant protein-1 (MCP-1), macrophage inflammatory proteins (MIP-1alpha, MIP-1beta) and regulated upon activation, normal T-cell expressed and secreted (RANTES)] as regulators of the metabolism of the vascular extracellular matrix in conditions of increased SOX in hemodialysis (HD) patients. We compared pre-dialysis levels of MMP-9/TIMP-1 system, beta-chemokines, Cu/Zn superoxide dismutase (Cu/Zn SOD) as a marker of SOX and C-reactive protein (CRP) as a marker of inflammation in HD patients with and without cardiovascular disease (CVD) to those of controls. HD patients, particularly those with CVD, showed a significant increase in values of Cu/Zn SOD, CRP, TIMP-1, TIMP-1/MMP-9 ratio, MCP-1 and MIP-1beta, whereas RANTES levels were lower than in the controls. The levels of MIP-1alpha as well as MMP-9 in all HD groups were similar to the controls. The positive correlations were observed between the MMP-9/TIMP-1 system and beta-chemokines, SOX and inflammation in whole HD group and in the subgroup with CVD. Multivariate analysis showed that the duration of dialysis followed by Cu/Zn SOD, MIP-1alpha and beta levels were the significant positive predictors of TIMP-1. In conclusion, our data show that MMP-9/TIMP-1 system and beta-chemokines could cooperate in conditions of elevated SOX, which ultimately predisposes hemodialysis patients to accelerated atherosclerosis.
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Affiliation(s)
- Krystyna Pawlak
- Department of Nephrology and Transplantology, Medical University of Białystok, 14 Zurawia Street, 15-540 Białystok, Poland.
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Nakamura T, Kawagoe Y, Matsuda T, Ueda Y, Shimada N, Ebihara I, Koide H. Oral Adsorbent AST-120 Decreases Carotid Intima-Media Thickness and Arterial Stiffness in Patients with Chronic Renal Failure. Kidney Blood Press Res 2004; 27:121-6. [PMID: 15051932 DOI: 10.1159/000077536] [Citation(s) in RCA: 70] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/09/2004] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND/AIM Intima media thickness (IMT) and stiffness of the carotid arteries is related to coronary artery disease, and chronic renal failure patients are at high risk for such diseases. An oral adsorbent, AST-120 (Kremezin; Kureha Chemical Industry, Tokyo, Japan), can delay the progression of chronic renal failure in undialyzed uremic patients. The aim of the present study was to determine whether AST-120 affects carotid artery IMT and pulse wave velocity (PWV) in patients with chronic renal failure not undergoing dialysis. METHODS Fifty patients with non-diabetic chronic renal failure were randomly divided into two groups: 30 patients (18 men and 12 women; mean age 53.5 years; mean serum creatinine 3.2 mg/dl) who were given AST-120 (6.0 g/day) and 20 patients (12 men and 8 women; mean age 52.0 years; mean serum creatinine 3.5 mg/dl) who were not given AST-120. Thirty healthy age-matched subjects (18 men and 12 women; mean age 51.5 years; mean serum creatinine 0.9 mg/dl) were also included. The treatment period was 24 months. IMT and arterial stiffness were measured before and after treatment. RESULTS The slope of the reciprocal serum creatinine concentration over time became significantly less steep in the AST-120 group than in the non-AST-120 group (p < 0.001). Before treatment, carotid artery IMT differed little between the AST-120 group (0.90 +/- 0.22 mm) and the non-AST-120 group (0.88 +/- 0.20 mm). IMT in these two groups was significantly greater than IMT in the control group (0.64 +/- 0.14 mm) (p < 0.01). Carotid IMT in the AST-120 group decreased slightly but not significantly to 0.84 +/- 0.20 mm after 12 months and then significantly after 24 months to 0.78 +/- 0.18 mm (p < 0.05). Carotid IMT in the non-AST group showed little change throughout the experimental period. PWV differed little between the AST-120 group (1,980 +/- 330 cm/s) and the non-AST group (1,940 +/- 360 cm/s) before treatment. PWV values in these two groups were significantly greater than PWV in the control group (1,280 +/- 240 cm/s) (p < 0.01). After 12 and 24 months, PWV in the AST-120 group decreased significantly to 1,840 +/- 280 cm/s (p < 0.05) and to 1,780 +/- 260 cm/s (p < 0.05), respectively; however, PWV in the non-AST group showed a slight increase during the experimental period. CONCLUSION The data suggest that AST-120 may reduce arterial stiffness and IMT in non-diabetic chronic renal failure patients before dialysis.
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Affiliation(s)
- Tsukasa Nakamura
- Department of Medicine, Shinmatsudo Central General Hospital, Chiba, Japan
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Munavalli G, Reisenauer A, Moses M, Kilroy S, Arbiser JL. Weight loss-induced calciphylaxis: potential role of matrix metalloproteinases. J Dermatol 2004; 30:915-9. [PMID: 14739520 DOI: 10.1111/j.1346-8138.2003.tb00348.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2003] [Accepted: 08/19/2003] [Indexed: 11/26/2022]
Abstract
Calciphylaxis is an uncommon and often devastating syndrome of calcification of small vessels, leading to tissue infarction. The mechanism of how calcium deposits on small vessels is unknown. Recently, metalloproteinase digestion of elastin has been shown to enhance deposition of calcium, suggesting a possible mechanism of calciphylaxis. We describe a case of a patient who developed calciphylaxis after rapid weight loss, but had normocalcemia and normal renal function. She was found to have high levels of matrix metalloproteinases, which may have chemically altered elastin, allowing deposition of calcium on small vessels. Inhibitors of matrix metalloproteinases may be useful in the prevention and treatment of calciphylaxis.
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Affiliation(s)
- Girish Munavalli
- Department of Dermatology, Emory University School of Medicine, Atlanta, GA, U.S.A
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Chou FP, Chu SC, Cheng MC, Yang SF, Cheung WN, Chiou HL, Hsieh YS. Effect of hemodialysis on the plasma level of type IV collagenases and their inhibitors. Clin Biochem 2003; 35:383-8. [PMID: 12270768 DOI: 10.1016/s0009-9120(02)00331-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
OBJECTIVES Increased cell expression of matrix metalloproteinase-9 (MMP-9) was associated with the development of atherosclerosis and osseoarticular tissue destruction in hemodialysis patients. In this study, the pre- and post-HD plasma concentrations of type IV collagenases and their inhibitors in HD patients were examined. DESIGN AND METHODS Commercial ELISA kits and Zymography techniques were used to assay the parameters in 40 patients pre- and post-HD session. RESULTS After the hemodialysis process, MMP-9, MMP-2 and TIMP-2 levels were 124 +/- 72, 706 +/- 242 and 248 +/- 90 ng/mL, significantly different from the pre-HD values (187 +/- 148, 759 +/- 304 and 43 +/- 14 ng/mL). TIMP-1 were not affected by HD. Female subjects and patients with chronic glomerulonephritis had higher TIMP-2 than their counterparts (p < 0.05). The effect of gender on MMP-2 levels was interacted with that of membrane types (p < 0.01). CONCLUSION These results indicated that the hemodialysis process tends to decrease the overall activity of the peripheral plasma MMP system in HD patients.
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Affiliation(s)
- Fen-Pi Chou
- Institute of Biochemistry, Chung Shan Medical University, Taichung 402, Taiwan
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Stenvinkel P, Pecoits-Filho R, Lindholm B. Coronary artery disease in end-stage renal disease: no longer a simple plumbing problem. J Am Soc Nephrol 2003; 14:1927-39. [PMID: 12819254 DOI: 10.1097/01.asn.0000069165.79509.42] [Citation(s) in RCA: 170] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Affiliation(s)
- Peter Stenvinkel
- Division of Renal Medicine, Department of Clinical Science, Karolinska Institutet, K56 Huddinge University Hospital, 141-86 Huddinge, Sweden.
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Rodgers KD, Rao V, Meehan DT, Fager N, Gotwals P, Ryan ST, Koteliansky V, Nemori R, Cosgrove D. Monocytes may promote myofibroblast accumulation and apoptosis in Alport renal fibrosis. Kidney Int 2003; 63:1338-55. [PMID: 12631350 DOI: 10.1046/j.1523-1755.2003.00871.x] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
BACKGROUND In interstitial fibrosis, monocytes and myofibroblasts have been directly implicated in scarring, apoptosis, and tissue necrosis. While much has been done to explore the role of these cell types individually in fibrosis, the interactive dependency of monocytes and myofibroblasts has been only marginally explored. METHODS Alport mice were treated or not with a soluble receptor inhibitor for transforming growth factor-beta 1 (TGF-beta 1), which was previously shown to inhibit the accumulation of myofibroblasts, but not monocytes, in the tubulointerstitium. Kidneys were examined for fibrosis using several matrix markers, TGF-beta 1 mRNA expression by in situ hybridization, apoptosis using the terminal deoxynucleotidyl transferase-mediated uridine triphosphate nick end labeling (TUNEL) assay, expression of matrix metalloproteinases (MMPs) and tissue inhibitors of metalloproteinases (TIMPS) by dual immunofluorescence microscopy, MMP activity by gelatin and in situ zymography, MMP mRNA expression by reverse transcription-polymerase chain reaction (RT-PCR), and basement membrane degradation by dual immunofluorescence confocal microscopy and electron microscopy. RESULTS Treated mice showed a markedly reduced accumulation of matrix proteins. Tissue monocytes express TGF-beta 1 mRNA, and TGF-beta 1 is required for myofibroblast accumulation. The number of apoptotic cells was not influenced by TGF-beta 1 inhibition. Monocytes express MMP-2, MMP-9, TIMP-2, and TIMP-3. MMP activity and mRNA expression is equally up regulated in treated and untreated Alport mice. Tubular basement membranes (TBM) around clusters of monocytes are notably degraded. TGF-beta 1 inhibition does not extend the life of Alport mice. CONCLUSION These studies demonstrate that monocytes may influence myofibroblast accumulation via TGF-beta1, and that monocytes, and not myofibroblasts, are associated with tubular atrophy in Alport mice. Elevated MMP expression and activity is associated with TBM destruction near monocytes clusters, suggesting an anoikis mechanism may contribute to apoptosis in this model.
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Affiliation(s)
- Kathyrn D Rodgers
- Department of Genetics, Boys Town National Research Hospital, Omaha, Nebraska 68131, USA
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Nakamura T, Ebihara I, Shimada N, Koide H. Effect of cigarette smoking on plasma metalloproteinase-9 concentration. Clin Chim Acta 1998; 276:173-7. [PMID: 9764735 DOI: 10.1016/s0009-8981(98)00104-1] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Affiliation(s)
- T Nakamura
- Department of Medicine, Misato Junshin Hospital, Saitama, Japan
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