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Sun J, Liu X, Du J, An J, Li Y, Hu Y, Cheng S, Xiong Y, Yu Y, Tian H, Mei X, Wu C. Manganese-doped albumin-gelatin composite nanogel loaded with berberine applied to the treatment of gouty arthritis in rats via a SPARC-dependent mechanism. Int J Biol Macromol 2023; 253:126999. [PMID: 37730000 DOI: 10.1016/j.ijbiomac.2023.126999] [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: 06/29/2023] [Revised: 09/10/2023] [Accepted: 09/17/2023] [Indexed: 09/22/2023]
Abstract
In this study, manganese-doped albumin-gelatin composite nanogels (MAGN) were prepared and used to load berberine (Ber) for the treatment of gouty arthritis (GA). The nanodrug delivery system (Ber-MAGN) can target inflammatory joints due to the intrinsic high affinity of albumin for SPARC, which is overexpressed at the inflammatory site of GA. Characterization of the pharmaceutical properties in vitro showed that Ber-MAGN had good dispersion, and the particle size was 121 ± 10.7 nm. The sustained release effect significantly improved the bioavailability of berberine. In vitro and in vivo experimental results showed that Ber-MAGN has better therapeutic effects in relieving oxidative stress and suppressing inflammation. Therefore, Ber-MAGN, as a potential pharmaceutical preparation for GA, provides a new reference for the clinical treatment plan of GA.
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Affiliation(s)
- Junpeng Sun
- Pharmacy School, Jinzhou Medical University, Jinzhou, Liaoning 121001, China; Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning 121001, China
| | - Xiaobang Liu
- Pharmacy School, Jinzhou Medical University, Jinzhou, Liaoning 121001, China; Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning 121001, China
| | - Jiaqun Du
- Pharmacy School, Jinzhou Medical University, Jinzhou, Liaoning 121001, China; Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning 121001, China
| | - Jinyu An
- Pharmacy School, Jinzhou Medical University, Jinzhou, Liaoning 121001, China; Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning 121001, China
| | - Yingqiao Li
- Pharmacy School, Jinzhou Medical University, Jinzhou, Liaoning 121001, China; Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning 121001, China
| | - Yu Hu
- Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning 121001, China; School of Basic Medicine, Jinzhou Medical University, Jinzhou, Liaoning 121001, China
| | - Shuai Cheng
- Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning 121001, China; School of Basic Medicine, Jinzhou Medical University, Jinzhou, Liaoning 121001, China.
| | - Ying Xiong
- Normandie Université, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), 14050 Caen, France.
| | - Yanan Yu
- Medical College of Jinzhou Medical University, Jinzhou Medical University, 121010, China
| | - He Tian
- Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning 121001, China; School of Basic Medicine, Jinzhou Medical University, Jinzhou, Liaoning 121001, China.
| | - Xifan Mei
- Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning 121001, China; The Third Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning 121001, China; Key Laboratory of Medical Tissue Engineering of Liaoning Province, Jinzhou Medical University, Jinzhou, Liaoning 121001, China.
| | - Chao Wu
- Pharmacy School, Jinzhou Medical University, Jinzhou, Liaoning 121001, China; Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning 121001, China; Key Laboratory of Medical Tissue Engineering of Liaoning Province, Jinzhou Medical University, Jinzhou, Liaoning 121001, China.
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Zakiyanov O, Kalousová M, Zima T, Tesař V. Matrix Metalloproteinases in Renal Diseases: A Critical Appraisal. Kidney Blood Press Res 2019; 44:298-330. [PMID: 31185475 DOI: 10.1159/000499876] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 03/10/2019] [Indexed: 11/19/2022] Open
Abstract
Matrix metalloproteinases (MMPs) are endopeptidases within the metzincin protein family that not only cleave extracellular matrix (ECM) components, but also process the non-ECM molecules, including various growth factors and their binding proteins. MMPs participate in cell to ECM interactions, and MMPs are known to be involved in cell proliferation mechanisms and most probably apoptosis. These proteinases are grouped into six classes: collagenases, gelatinases, stromelysins, matrilysins, membrane type MMPs, and other MMPs. Various mechanisms regulate the activity of MMPs, inhibition by tissue inhibitors of metalloproteinases being the most important. In the kidney, intrinsic glomerular cells and tubular epithelial cells synthesize several MMPs. The measurement of circulating MMPs can provide valuable information in patients with kidney diseases. They play an important role in many renal diseases, both acute and chronic. This review attempts to summarize the current knowledge of MMPs in the kidney and discusses recent data from patient and animal studies with reference to specific diseases. A better understanding of the MMPs' role in renal remodeling may open the way to new interventions favoring deleterious renal changes in a number of kidney diseases.
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Affiliation(s)
- Oskar Zakiyanov
- Department of Nephrology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czechia,
| | - Marta Kalousová
- Institute of Medical Biochemistry and Laboratory Diagnostics, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czechia
| | - Tomáš Zima
- Institute of Medical Biochemistry and Laboratory Diagnostics, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czechia
| | - Vladimír Tesař
- Department of Nephrology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czechia
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Wong W, DeVito J, Nguyen H, Sarracino D, Porcheray F, Dargon I, Pelle PD, Collins AB, Tolkoff-Rubin N, Smith RN, Colvin R, Zorn E. Chronic humoral rejection of human kidney allografts is associated with MMP-2 accumulation in podocytes and its release in the urine. Am J Transplant 2010; 10:2463-71. [PMID: 20977637 PMCID: PMC3805271 DOI: 10.1111/j.1600-6143.2010.03290.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Chronic humoral rejection (CHR) is an important cause of late graft failures following kidney transplantation. Overall, the pathophysiology of CHR is poorly understood. Matrix metalloproteinase-2 (MMP-2), a type IV collagenase, has been implicated in chronic kidney disease and allograft rejection in previous studies. We examined the presence of MMP-2 in allograft biopsies and in the urine of kidney transplant recipients with CHR. MMP-2 staining was detected by immunohistochemistry in podocytes for all CHR patients but less frequently in patients with other renal complications. Urinary MMP-2 levels were also significantly higher in CHR patients (median 4942 pg/mL, N = 27) compared to non-CHR patients (median 598 pg/mL, N = 65; p < 0.001). Elevated urinary MMP-2 correlated with higher levels of proteinuria in both CHR and non-CHR patients. Longitudinal analysis indicated that increase in urine MMP-2 coincided with initial diagnosis of CHR as documented by the biopsies. Using an enzymatic assay, we demonstrated that MMP-2 was present in its active form in the urine of patients with CHR. Overall, our findings associate MMP-2 with glomerular injury as well as interstitial fibrosis and tubular atrophy observed in patients with CHR.
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Affiliation(s)
- W. Wong
- Renal Unit, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - J. DeVito
- Transplantation Biology Research Center, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - H. Nguyen
- Renal Unit, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - D. Sarracino
- Center for Genetics and Genomics, Harvard Medical School, Cambridge, MA
| | - F. Porcheray
- Transplantation Biology Research Center, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - I. Dargon
- Transplantation Biology Research Center, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - P. D. Pelle
- Department of Pathology, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - A. B. Collins
- Department of Pathology, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - N. Tolkoff-Rubin
- Renal Unit, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - R. N. Smith
- Department of Pathology, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - R. Colvin
- Department of Pathology, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - E. Zorn
- Transplantation Biology Research Center, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA,Corresponding author: Emmanuel Zorn,
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Hewitson TD. Renal tubulointerstitial fibrosis: common but never simple. Am J Physiol Renal Physiol 2009; 296:F1239-44. [PMID: 19144691 DOI: 10.1152/ajprenal.90521.2008] [Citation(s) in RCA: 187] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Regardless of etiology, all patients with chronic renal disease show a progressive decline in renal function with time. Fibrosis, so-called scarring, is a key cause of this pathophysiology. Fibrosis involves an excess accumulation of extracellular matrix (primarily composed of collagen) and usually results in loss of function when normal tissue is replaced with scar tissue. While recent major advances have led to a much better understanding of this process, many problems remain. We for instance know little about why some wounds heal and others scar and little about how many putative antifibrotic agents work. This review discusses recent advances in our understanding of the mechanisms of tubulointerstitial fibrosis, focusing on the regulation and role of the myofibroblast in this process, the role of recently recognized endogenous antifibrotic factors, controversy surrounding the effects of metalloproteinases, and the opportunities presented by new treatment strategies that abrogate and may even reverse fibrosis.
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Affiliation(s)
- Tim D Hewitson
- Department of Nephrology, The Royal Melbourne Hospital, Parkville Vic 3050, Australia.
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Tveita A, Rekvig OP, Zykova SN. Glomerular matrix metalloproteinases and their regulators in the pathogenesis of lupus nephritis. Arthritis Res Ther 2008; 10:229. [PMID: 19090960 PMCID: PMC2656222 DOI: 10.1186/ar2532] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Lupus nephritis is a major contributor to morbidity and mortality in systemic lupus erythematosus, but little is known about the pathogenic processes that underlie the progressive decay in renal function. A common finding in lupus nephritis is thickening of glomerular basement membranes associated with immune complex deposition. It has been speculated that alterations in the synthesis or degradation of membrane components might contribute to such changes, and thereby to initiation and progression of nephritis through facilitation of immune complex deposition. Matrix metalloproteinases (MMPs) are enzymes that are intimately involved in the turnover of major glomerular basement membrane constituents, including collagen IV and laminins. Alterations in the expression and activity of MMPs have been described in a number of renal diseases, suggesting their relevance to the pathogenesis of various glomerulopathies. The same is true for their natural inhibitors, the tissue inhibitor of metalloproteinase family. Recent data from our group have identified an increase in proteolytic activity within the glomerulus coinciding with the development of proteinuria in the mouse model of systemic lupus erythematosus. (NXB x NZW)F1 Here we review current understanding of MMP/tissue inhibitor of metalloproteinase function within the kidney, and discuss their possible involvement in the development and progression of lupus nephritis.
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Affiliation(s)
- Anders Tveita
- Department of Biochemistry, Medical Faculty, Institute of Medical Biology, University of Tromsø, Tromsø, Norway.
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Xiong W, Knispel R, MacTaggart J, Greiner TC, Weiss SJ, Baxter BT. Membrane-type 1 matrix metalloproteinase regulates macrophage-dependent elastolytic activity and aneurysm formation in vivo. J Biol Chem 2008; 284:1765-71. [PMID: 19010778 DOI: 10.1074/jbc.m806239200] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
During arterial aneurysm formation, levels of the membrane-anchored matrix metalloproteinase, MT1-MMP, are elevated dramatically. Although MT1-MMP is expressed predominately by infiltrating macrophages, the roles played by the proteinase in abdominal aortic aneurysm (AAA) formation in vivo remain undefined. Using a newly developed chimeric mouse model of AAA, we now demonstrate that macrophage-derived MT1-MMP plays a dominant role in disease progression. In wild-type mice transplanted with MT1-MMP-null marrow, aneurysm formation induced by the application of CaCl2 to the aortic surface was almost completely ablated. Macrophage infiltration into the aortic media was unaffected by MT1-MMP deletion, and AAA formation could be reconstituted when MT1-MMP+/+ macrophages, but not MT1-MMP+/+ lymphocytes, were infused into MT1-MMP-null marrow recipients. In vitro studies using macrophages isolated from either WT/MT1-MMP-/- chimeric mice, MMP-2-null mice, or MMP-9-null mice demonstrate that MT1-MMP alone plays a dominant role in macrophage-mediated elastolysis. These studies demonstrate that destruction of the elastin fiber network during AAA formation is dependent on macrophage-derived MT1-MMP, which unexpectedly serves as a direct-acting regulator of macrophage proteolytic activity.
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Affiliation(s)
- Wanfen Xiong
- Department of Surgery, University of Nebraska Medical Center, Omaha, Nebraska, 68198, USA.
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Xiang F, Bai M, Jin Y, Ma W, Xin J. Egr-1 mediates Si0(2)-driven transcription of membrane type I matrix metalloproteinase in macrophages. ACTA ACUST UNITED AC 2008; 27:13-6. [PMID: 17393098 DOI: 10.1007/s11596-007-0104-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2006] [Indexed: 10/23/2022]
Abstract
The up-regulation mechanism of membrane type I matrix metalloproteinase (MT1-MMP) in macrophages stimulated by silica in vitro and the contribution of early growth response 1 (Egr-1) transcription factor in the gene expression pathway were investigated. Macrophages stimulated by silica were treated with Egr-1 antibody or Egr-1 decoy oligodeoxynucleotides (ODN). The levels of MT1-MMP proteins were determined by Western blot and the expression of MT1-MMP mRNAs was detected by RT-PCR. The results showed as compared with control macrophages, silica-stimulated group showed up-regulated gene expression of MT1-MMP via Egr-1 (P<0.01). Compared with silica-stimulated macrophages untreated with antibody, the cells treated with 5 microg/mL Egr-1 antibody were associated with reduced expression of MT1-MMP protein (P<0.01) and mRNA (P<0.01). Compared with silica-stimulated untransfected group, the Egr-1 "decoy" ODN group was associated with reduction in the expression of MT1-MMP protein and mRNA (P<0.01). It was concluded gene expression of MT1-MMP which may play a critical role in silicosis was up-regulated by silica in macrophages. Egr-1 participated in the expression of MT1-MMP and positively regulated the expression. Both Egr-1 antibody and Egr-1 decoy ODN suppressed the expression of MT1-MMP through the Egr-1 pathway and may become a potential therapeutic tool in the management of silicosis in the future.
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Affiliation(s)
- Fei Xiang
- Department of Respiratory Medicine, Unton Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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Abstract
Crescentic glomerulonephritis are characterised by a crescent shaped cellular proliferation that may lead to glomerular destruction. Over 50% of at least 10 analysed glomeruli should be affected. The search for immune deposits by immunofluorescence is an important diagnostic step. Patients present with rapidly progressive glomerulonephritis (RPGN): renal failure, proteinuria and haematuria. Extra-renal symptoms may help diagnosis. Diseases are classified in three groups according to immunofluorescence studies. Group I is characterised by linear deposits along the glomerular basement membrane (GBM) with anti-GBM auto-antibodies responsible for Goodpasture's disease. Group II put together various diseases with immune complex deposits. In group III, no significant immune deposits are found. Those "pauci-immune" glomerulonephritis are secondary to anti-neutrophil cytoplasmic antibodies (ANCA) positive systemic vasculitis, mainly Wegener's granulomatosis and microscopic polyangiitis. Primary glomerulonephritis may also be associated with crescent formation. Treatment is urgently required. Diagnosis is suspected in the context of extra-renal symptoms or immunological abnormalities, and confirmed by a kidney biopsy, that also helps to define prognosis. Apart from some group II glomerulonephritis, the induction treatment is often an association of steroids and cyclophosphamide, with plasma exchange in case of Goodpasture's disease. After remission, a maintenance treatment is required for ANCA-positive vasculitis to prevent relapses. The high rate of opportunistic infections and cancer give the rational for searching less aggressive therapeutic options.
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Affiliation(s)
- Vincent Louis-Marie Esnault
- Service de Néphrologie-Immunologie Clinique, Hotel-Dieu, 1, place Alexis-Ricordeau, 44093 Nantes cedex 01, France.
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Chatziantoniou C, Dussaule JC. Insights into the mechanisms of renal fibrosis: is it possible to achieve regression? Am J Physiol Renal Physiol 2005; 289:F227-34. [PMID: 16006588 DOI: 10.1152/ajprenal.00453.2004] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Recent evidence suggests that the progression of renal fibrosis is a reversible process, at least in experimental models. The present review summarizes the new insights concerning the mechanisms of progression and regression of renal disease and examines this novel evidence under the light of feasibility and transfer to human nephropathies. The involved mechanisms are discussed with particular emphasis on the fibrotic role of vasoactive peptides such as angiotensin II and endothelin and growth factors such as transforming growth factor (TGF)-beta. The possibility of regression is introduced by presenting the in vivo efficiency of antihypertensive treatments and of systems that antagonize the fibrogenic action of TGF-beta such as bone morphogenic protein-7 and HGF. Finally, we provide a brief description of the promising future directions and clinical considerations about the applications of the experimental data to humans.
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Affiliation(s)
- Christos Chatziantoniou
- Institut National de la Santé et de la Recherche Médicale Unité 702, Hôpital Tenon, Paris, France.
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Laudanski P, Szamatowicz J, Ramel P. Matrix metalloproteinase-13 and membrane type-1 matrix metalloproteinase in peritoneal fluid of women with endometriosis. Gynecol Endocrinol 2005; 21:106-10. [PMID: 16109597 DOI: 10.1080/09513590500154043] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
Abstract
OBJECTIVE It is becoming more and more evident that different types of matrix metalloproteinases (MMPs) and their tissue inhibitors (TIMPs) are involved in the pathogenesis of endometriosis. The aim of the present study was to measure levels of the active forms of MMP-13 and membrane type-1 matrix metalloproteinase (MT1-MMP)/MMP-14 as well as TIMP-2 in the peritoneal fluid of women with endometriosis. STUDY DESIGN We determined the levels of the active forms MMP-13 and MT1-MMP/MMP-14 as well as TIMP-2 in the peritoneal fluid of 20 women with endometriosis and 18 controls by different types of enzyme-linked immunosorbent assay. RESULTS We found that the concentrations (mean +/- standard deviation) of total active MMP-13 and endogenous active MT1-MMP/MMP-14 in the peritoneal fluid of patients with endometriosis were 1.69 +/- 0.67 and 3.12 +/- 1.07 ng/ml, respectively. In control women the corresponding values were 3.02 +/- 0.43 and 4.45 +/- 1.03 ng/ml. The differences were statistically significant (p < 0.0001 and p < 0.0004 for MMP-13 and MMP-14, respectively). Levels of TIMP-2 did not differ significantly. CONCLUSIONS Decreased concentrations of active MMP-13 and MT1-MMP/MMP-14 may imply that the proteolytic activity of the peritoneal milieu of women with endometriosis is disturbed, which may have implications in the pathogenesis of the disease.
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Affiliation(s)
- Piotr Laudanski
- Department of Pathophysiology of Pregnancy, Medical University of Białystok, ul. Marii Sklodowskiej-Curie 24 A, 15-276 Białystok, Poland.
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Bjerkeli V, Halvorsen B, Damås JK, Nordøy I, Yndestad A, Aukrust P, Frøland SS. Expression of matrix metalloproteinases in patients with Wegener's granulomatosis. Ann Rheum Dis 2004; 63:1659-63. [PMID: 15547092 PMCID: PMC1754858 DOI: 10.1136/ard.2003.017954] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BACKGROUND Enhanced activity of matrix metalloproteinases (MMPs) has been reported to have a pathogenic role in several diseases such as cancer and cardiovascular disorders, and seems also to play a part in certain autoimmune diseases. OBJECTIVE To examine whether enhanced MMP activity may also have a role in the pathogenesis of Wegener's granulomatosis (WG). METHODS In a study group of 15 patients with WG and 15 controls, plasma levels and gene expression were measured in freshly isolated peripheral blood mononuclear cells (PBMCs) of several MMPs and their endogenous inhibitors (that is, tissue inhibitors of metalloproteinases (TIMPs)) by enzyme immunoassays and RNase protection assay, respectively. RESULTS Whereas patients with WG in remission had enhanced gene expression of several MMPs and TIMPs in PBMCs, those with active disease had a selective up regulation of MMP-2 and MMP-8 compared with healthy controls, and a down regulation of TIMP-1 and TIMP-3 compared with other patients with WG. Moreover, plasma levels of TIMP-1 and MMP-8 correlated significantly with C reactive protein levels, further supporting an association between activation of the MMP/TIMP system and disease activity in WG. Finally, these changes in MMP/TIMP expression in WG were accompanied by increased total MMP activity in PBMC supernatants, particularly in those with active disease, suggesting a matrix degrading net effect. CONCLUSION These findings suggest that disturbed MMP and TIMP activity has a role in the pathogenesis of WG.
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Affiliation(s)
- V Bjerkeli
- Research Institute for Internal Medicine, Medical Department, Rikshospitalet University Hospital, N-0027 Oslo, Norway.
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12
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Hampton DW, Seitz A, Chen P, Heber-Katz E, Fawcett JW. Altered CNS response to injury in the MRL/MpJ mouse. Neuroscience 2004; 127:821-32. [PMID: 15312895 DOI: 10.1016/j.neuroscience.2004.05.057] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/21/2004] [Indexed: 11/22/2022]
Abstract
The MRL/MpJ mouse has a greatly enhanced healing response and an absence of scarring compared with other mouse strains. Following lesions to the CNS mammals show a scarring response known as reactive gliosis, and this CNS scar tissue blocks regeneration of cut axons. We have therefore compared reactive gliosis in the MRL/MpJ mouse and the Swiss Webster mouse, which exhibits normal scarring in the periphery. The lesion model was a stab lesion to the cortex, in which reactive gliosis has previously been quantified. Axon regeneration was examined following a cut lesion to the dopaminergic projection from the substantia nigra to the striatum used in previous regeneration experiments. In the MRL/MpJ following the lesion compared with Swiss Webster mice there was greater cell loss around the lesion followed by greater and more widespread and more prolonged cellular proliferation. Early after the lesion there was a greater loss of glial fibrillary acidic protein (GFAP)-positive astrocytes around the injury site in the MRL/MpJ, and an enhancement and prolongation of the microglial inflammatory response. This was accompanied by greater and more widespread blood-brain barrier leakage following injury. RNA levels for the matrix metalloproteinases (MMP)-2 and MMP-9 as well as for the thrombin receptors PAR-1 and PAR-4 were also greater at the MRL/MpJ injury site. All of these differences were transient and by 14 days post-injury there were no differences observed between MRL/MpJ and control mice. No axonal regeneration was observed following axotomy to the nigrostriatal pathway of the MRL/MpJ or the Swiss Webster mice at any time point.
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Affiliation(s)
- D W Hampton
- ICORD, 6270 University Boulevard, Vancouver, British Columbia, Canada V6T 1Z4.
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Alfonso-Jaume MA, Mahimkar R, Lovett DH. Co-operative interactions between NFAT (nuclear factor of activated T cells) c1 and the zinc finger transcription factors Sp1/Sp3 and Egr-1 regulate MT1-MMP (membrane type 1 matrix metalloproteinase) transcription by glomerular mesangial cells. Biochem J 2004; 380:735-47. [PMID: 14979875 PMCID: PMC1224202 DOI: 10.1042/bj20031281] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2003] [Revised: 02/06/2004] [Accepted: 02/23/2004] [Indexed: 01/17/2023]
Abstract
The transition of normally quiescent glomerular MCs (mesangial cells) to a highly proliferative phenotype with characteristics of myofibroblasts is a process commonly observed in inflammatory diseases affecting the renal glomerulus, the ultimate result of which is glomerulosclerosis. Generation of proteolytically active MMP (matrix metalloproteinase)-2 by the membrane-associated membrane type 1 (MT1)-MMP is responsible for the transition of mesangial cells to the myofibroblast phenotype [Turck, Pollock, Lee, Marti and Lovett (1996) J. Biol. Chem. 271, 15074-15083]. In the present study, we show that the expression of MT1-MMP within the context of MCs is mediated by three discrete cis -acting elements: a proximal non-canonical Sp1 site that preferentially binds Sp1; an overlapping Sp1/Egr-1-binding site that preferentially binds Egr-1; and a more distal binding site for the NFAT (nuclear factor of activated T cells) that binds the NFAT c1 isoform present in MC nuclear extracts. Transfection with an NFAT c1 expression plasmid, or activation of calcineurin with a calcium ionophore, yielded major increases in NFAT c1 nuclear DNA-binding activity, MT1-MMP transcription and protein synthesis, which were additive with the lower levels of transactivation provided by the proximal Sp1 and the overlapping Sp1/Egr-1 sites. Specific binding of NFAT c1 to the MT1-MMP promoter was confirmed by chromatin immunoprecipitation studies, while MT1-MMP expression was suppressed by treatment with the calcineurin inhibitor, cyclosporin A. These studies are the first demonstration that a specific NFAT isoform enhances transcription of an MMP (MT1-MMP) that plays a major role in the proteolytic events that are a dominant feature of acute glomerular inflammation. Suppression of MT1-MMP by commonly used calcineurin inhibitors may play a role in the development of renal fibrosis following renal transplantation.
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Affiliation(s)
- Maria Alejandra Alfonso-Jaume
- The Department of Medicine, San Francisco VAMC/University of California, 111J Medical Service, 4150 Clement Street, San Francisco, CA 94121, USA
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Hwang IK, Park SM, Kim SY, Lee ST. A proteomic approach to identify substrates of matrix metalloproteinase-14 in human plasma. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2004; 1702:79-87. [PMID: 15450852 DOI: 10.1016/j.bbapap.2004.08.001] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2004] [Accepted: 08/04/2004] [Indexed: 10/26/2022]
Abstract
Matrix metalloproteinases (MMPs) are a family of zinc-containing endopeptidases that proteolyze extracellular matrix components as well as a variety of functional proteins. Here we describe a "degradomics" method that efficiently identifies substrates of MMP-14 in a complex protein mixture, such as plasma. Plasma proteins were incubated in the presence or absence of the MMP-14 catalytic domain and displayed on two-dimensional (2-D) gels. After a comparison of the gels, we selected 40 protein spots that reproducibly showed disparities. Upon in-gel digestion, mass determination, and peptide mass fingerprinting, we identified 15 different proteins from 31 spots. These proteins included six known substrates and nine potential substrates of MMP-14. Among the latter, the purified forms of apolipoprotein A-I, apolipoprotein E, and plasma gelsolin were cleaved in vitro by MMP-14, confirming that each of them is a novel substrate of MMP-14. These results demonstrate that our method rapidly and selectively identifies MMP-14 substrates from human plasma proteins. This method would thus constitute a powerful tool for identifying the substrates of MMPs and other proteases in highly complex mixtures of proteins and would enhance our understanding of the biological roles of these enzymes.
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Affiliation(s)
- In Kwan Hwang
- Department of Biochemistry, College of Science, and Protein Network Research Center, Yonsei University, 134 Shinchon-dong, Sudaemoon-Ku, Seoul 120-749, Republic of Korea
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Sanders JSF, van Goor H, Hanemaaijer R, Kallenberg CGM, Stegeman CA. Renal expression of matrix metalloproteinases in human ANCA-associated glomerulonephritis. Nephrol Dial Transplant 2004; 19:1412-9. [PMID: 15034162 DOI: 10.1093/ndt/gfh186] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Expression of matrix metalloproteinases (MMPs) by infiltrating and intrinsic renal cells is increased in inflammatory conditions, and may correlate with disease activity of glomerulonephritis. We analysed renal expression of MMPs, tissue inhibitor of metalloproteinase-1 (TIMP-1) and markers of neutrophil and monocyte infiltration in renal biopsies of patients with active anti-neutrophil cytoplasmic antibody (ANCA)-associated glomerulonephritis. METHODS Immunohistochemical expression of MMP-2, -3, -9, TIMP-1, the neutrophil- and monocyte-derived MMP activators cathepsin G, neutrophil elastase and myeloperoxidase (MPO), and the monocyte marker CD14 was determined in renal biopsies of active proteinase 3 (PR3)-ANCA (n = 7) and MPO-ANCA (n = 6) associated glomerulonephritis, and in normal renal tissue (n = 4). Double labelling experiments of MMPs and TIMP-1 were performed with MPO and CD68, labelling neutrophils and macrophages. RESULTS MMP-2-, MMP-3-, MMP-9- and TIMP-1-positive cells were detected in ANCA-associated glomerulonephritis in glomeruli with active inflammation (cellular crescents or fibrinoid necrosis), only occasionally in normal appearing glomeruli, and not in sclerotic glomeruli and positive cells were found in the tubulo-interstitium. MMPs and TIMP-1 were expressed predominantly by MPO-and CD68-positive cells. In normal renal tissue, no expression was detected, with the exception of weak mesangial staining for MMP-2. In ANCA-associated glomerulonephritis, glomerular MMP-2, -9 and TIMP-1 correlated with glomerular cathepsin G expression, while the number of MMP-9-expressing cells per glomerulus correlated with the percentage of crescentic glomeruli. Tubulo-interstitial expression of MMPs correlated with all markers of neutrophil and monocyte infiltration, and interstitial MMP-9 and TIMP-1 expression correlated with renal function at the time of renal biopsy. CONCLUSIONS Expression of glomerular and interstitial MMP-2, -3, -9 and TIMP-1 is increased in active ANCA-associated glomerulonephritis and correlates with inflammatory activity.
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Affiliation(s)
- Jan-Stephan F Sanders
- Department of Internal Medicine, Division of Clinical Immunology, University Hospital Groningen, The Netherlands.
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Lods N, Ferrari P, Frey FJ, Kappeler A, Berthier C, Vogt B, Marti HP. Angiotensin-Converting Enzyme Inhibition but not Angiotensin II Receptor Blockade Regulates Matrix Metalloproteinase Activity in Patients with Glomerulonephritis. J Am Soc Nephrol 2003; 14:2861-72. [PMID: 14569096 DOI: 10.1097/01.asn.0000092789.67966.5c] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
ABSTRACT. Equivalent long-term effects on the kidney are attributed to angiotensin-converting enzyme inhibitors (ACEI) and angiotensin II type 1 receptor blockers (ARB). Nevertheless, it is unknown to which degree effects of these compounds on individual inflammatory mediators, including matrix metalloproteinases (MMP), are comparable. On the basis of structural and functional differences, it was hypothesized that ACEI and ARB differentially regulate MMP activity. In a randomized, prospective crossover trial, the effect of an ACEI (fosinopril; 20 mg/d) and of an ARB (irbesartan; 150 mg/d) on MMP activity was evaluated. Ten hypertensive patients with glomerulonephritis and normal or mildly reduced creatinine clearance were studied. MMP activity and tissue inhibitors of metalloproteinase (TIMP) levels were analyzed in serum and urine: without therapy, with ACEI, with ARB, and with both agents combined. Treatment periods continued for 6 wk separated by periods of 4 wk each without therapy. Untreated patients with glomerulonephritis displayed distinctively higher serum levels of MMP-2 but much lower MMP-1/-8/-9 concentrations compared with healthy control subjects. Immunohistology of MMP-2 and MMP-9 in kidney biopsy specimen was accordingly. However, these patients excreted higher amounts of MMP-2 and MMP-9 in urine than healthy control subjects, possibly reflecting ongoing glomerular inflammation. In patients with glomerulonephritis, ACEI significantly reduced overall MMP serum activity to 25%, whereas ARB did not show any effect. Activities of MMP-1/-2/-8/-9 were also significantly inhibited by fosinopril but not by irbesartan. Levels of TIMP-1/-2 remained unaffected. In conclusion, ACEI and ARB differentially regulate MMP activity, which may ultimately have consequences in certain types of MMP-dependent glomerulonephritis. E-mail: hpmarti@bluewin.ch
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Affiliation(s)
- Nadège Lods
- Division of Nephrology and Hypertension, Inselspital Bern, Bern, Switzerland
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Abstract
Treatment options for crescentic glomerulonephritis include the use of steroids, cytotoxic therapy, and, in severe cases, intravenous immunoglobulins and plasmapheresis. Injury and lysis of capillary glomerular basement membrane, which is made up of type IV collagen, laminin, fibronectin, and proteoglycans, by serine proteinases and matrix metalloproteinases (MMPs) likely is an important participant in the pathogenesis of crescentic glomerulonephritis. Tetracycline derivatives inhibit not only the activity of MMPs, but also their production, and have been investigated for the treatment of disorders in which the MMP system becomes amplified, such as degenerative osteoarthritis, periodontitis, cancer, and abdominal aortic aneurysm. We report an interesting case of crescentic glomerulonephritis in a young man who was treated with cyclophosphamide and prednisone. The patient developed steroid-induced acne that was treated with long-term oral doxycycline therapy. During the period the patient was administered doxycycline, proteinuria decreased by 70% and recurred when doxycycline was stopped. To our knowledge, this is the first report of possible benefits of a metalloproteinase inhibitor (doxycycline) in glomerulonephritis in humans. Future studies are urgently required to explore the option of metalloproteinase inhibitors in the treatment of proliferative glomerulonephritis.
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Affiliation(s)
- Tejinder S Ahuja
- Department of Medicine, Division of Nephrology, University of Texas Medical Branch, Galveston, TX, USA.
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Adair-Kirk TL, Atkinson JJ, Broekelmann TJ, Doi M, Tryggvason K, Miner JH, Mecham RP, Senior RM. A site on laminin alpha 5, AQARSAASKVKVSMKF, induces inflammatory cell production of matrix metalloproteinase-9 and chemotaxis. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2003; 171:398-406. [PMID: 12817023 DOI: 10.4049/jimmunol.171.1.398] [Citation(s) in RCA: 88] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Several peptide sequences in laminin alpha1, the alpha-chain of laminin (Ln)-1, mediate biological responses in vitro, but Ln-1 is rare in vivo. Since Ln-5 and Ln-10, which contain the alpha3 and alpha5 chains, respectively, are the most prominent laminin heterotrimers in normal adult tissues and few functional domains in other laminin chains have been identified, we are investigating the alpha3 and alpha5 chains for biological activities. Incubation of mouse macrophages with the laminin alpha5 peptide AQARSAASKVKVSMKF resulted in marked increase in matrix metalloproteinase (MMP)-9 mRNA and gelatinolytic activity in the conditioned media, whereas the corresponding alpha3 peptide QQARDAANKVAIPMRF had no effect. AQARSAASKVKVSMKF also induced expression of MMP-14, while MMP-2, MMP-3, MMP-7, MMP-12, and MMP-13 were not induced by this peptide. Deletion analyses indicated that a minimal sequence of ASKVKVSMKF was sufficient for increasing MMP-9 expression. AQARSAASKVKVSMKF was also chemotactic for neutrophils and macrophages in vitro, and induced accumulation of neutrophils and macrophages in lung airspaces in vivo following intranasal instillation into mice. Comparable accumulation occurred in MMP-9-deficient mice, indicating that MMP-9 was not required for AQARSAASKVKVSMKF-induced inflammatory cell emigration in the lung. A scrambled version of the minimal peptide, KAKSFVMVSK, was inactive. These data indicate that laminin alpha5-derived peptides can induce inflammatory cell chemotaxis and metalloproteinase activity.
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Affiliation(s)
- Tracy L Adair-Kirk
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Washington University School of Medicine and Barnes-Jewish Hospital, St. Louis, MO 63110, USA
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Affiliation(s)
- J Charles Jennette
- The University of North Carolina School of Medicine, Chapel Hill, North Carolina 27599-7525, USA.
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