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Rickard BP, Conrad C, Sorrin AJ, Ruhi MK, Reader JC, Huang SA, Franco W, Scarcelli G, Polacheck WJ, Roque DM, del Carmen MG, Huang HC, Demirci U, Rizvi I. Malignant Ascites in Ovarian Cancer: Cellular, Acellular, and Biophysical Determinants of Molecular Characteristics and Therapy Response. Cancers (Basel) 2021; 13:4318. [PMID: 34503128 PMCID: PMC8430600 DOI: 10.3390/cancers13174318] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 08/17/2021] [Accepted: 08/22/2021] [Indexed: 12/27/2022] Open
Abstract
Ascites refers to the abnormal accumulation of fluid in the peritoneum resulting from an underlying pathology, such as metastatic cancer. Among all cancers, advanced-stage epithelial ovarian cancer is most frequently associated with the production of malignant ascites and is the leading cause of death from gynecologic malignancies. Despite decades of evidence showing that the accumulation of peritoneal fluid portends the poorest outcomes for cancer patients, the role of malignant ascites in promoting metastasis and therapy resistance remains poorly understood. This review summarizes the current understanding of malignant ascites, with a focus on ovarian cancer. The first section provides an overview of heterogeneity in ovarian cancer and the pathophysiology of malignant ascites. Next, analytical methods used to characterize the cellular and acellular components of malignant ascites, as well the role of these components in modulating cell biology, are discussed. The review then provides a perspective on the pressures and forces that tumors are subjected to in the presence of malignant ascites and the impact of physical stress on therapy resistance. Treatment options for malignant ascites, including surgical, pharmacological and photochemical interventions are then discussed to highlight challenges and opportunities at the interface of drug discovery, device development and physical sciences in oncology.
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Affiliation(s)
- Brittany P. Rickard
- Curriculum in Toxicology & Environmental Medicine, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA;
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC, and North Carolina State University, Raleigh, NC 27599, USA; (M.K.R.); (S.A.H.); (W.J.P.)
| | - Christina Conrad
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA; (C.C.); (A.J.S.); (G.S.); (H.-C.H.)
| | - Aaron J. Sorrin
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA; (C.C.); (A.J.S.); (G.S.); (H.-C.H.)
| | - Mustafa Kemal Ruhi
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC, and North Carolina State University, Raleigh, NC 27599, USA; (M.K.R.); (S.A.H.); (W.J.P.)
| | - Jocelyn C. Reader
- Department of Obstetrics, Gynecology and Reproductive Medicine, School of Medicine, University of Maryland, Baltimore, MD 21201, USA; (J.C.R.); (D.M.R.)
- Marlene and Stewart Greenebaum Cancer Center, School of Medicine, University of Maryland, Baltimore, MD 21201, USA
| | - Stephanie A. Huang
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC, and North Carolina State University, Raleigh, NC 27599, USA; (M.K.R.); (S.A.H.); (W.J.P.)
| | - Walfre Franco
- Department of Biomedical Engineering, University of Massachusetts Lowell, Lowell, MA 01854, USA;
| | - Giuliano Scarcelli
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA; (C.C.); (A.J.S.); (G.S.); (H.-C.H.)
| | - William J. Polacheck
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC, and North Carolina State University, Raleigh, NC 27599, USA; (M.K.R.); (S.A.H.); (W.J.P.)
- Department of Cell Biology and Physiology, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Lineberger Comprehensive Cancer Center, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Dana M. Roque
- Department of Obstetrics, Gynecology and Reproductive Medicine, School of Medicine, University of Maryland, Baltimore, MD 21201, USA; (J.C.R.); (D.M.R.)
- Marlene and Stewart Greenebaum Cancer Center, School of Medicine, University of Maryland, Baltimore, MD 21201, USA
| | - Marcela G. del Carmen
- Division of Gynecologic Oncology, Vincent Obstetrics and Gynecology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA;
| | - Huang-Chiao Huang
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA; (C.C.); (A.J.S.); (G.S.); (H.-C.H.)
- Marlene and Stewart Greenebaum Cancer Center, School of Medicine, University of Maryland, Baltimore, MD 21201, USA
| | - Utkan Demirci
- Bio-Acoustic MEMS in Medicine (BAMM) Laboratory, Canary Center at Stanford for Cancer Early Detection, Department of Radiology, School of Medicine, Stanford University, Palo Alto, CA 94304, USA;
| | - Imran Rizvi
- Curriculum in Toxicology & Environmental Medicine, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA;
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC, and North Carolina State University, Raleigh, NC 27599, USA; (M.K.R.); (S.A.H.); (W.J.P.)
- Lineberger Comprehensive Cancer Center, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
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Abstract
To many of us in the field, working on matrix metalloproteinases (MMPs) has felt like riding a roller coaster, traveling through times of both excitement and despair. I was fortunate to join the ride when it was a mere carousel of three activities thought to target the proteins that comprise the extracellular matrix (ECM). New technologies brought the thrills of discovery as we uncovered specific proteinase genes and defined specialized activities in different cellular processes. The MMPs and the sister families of "adisintegrin and metalloproteinase" (ADAMs), ADAMs with thrombospondin domains (ADAM-TS), and Astacins are now recognized as key signaling "scissors" that drive rapid changes in a plethora of cellular pathways. My many excellent colleagues and collaborators and I were enthused to contribute to the early development of the field and continue to be amazed at its growth and sophistication. In contrast, the hype and failure of early inhibitor discovery have dogged our standing with the pharmaceutical industry and grant-giving bodies. However, the true believers have kept going, and knowledge of particular functions of MMPs and their contributions to disease progression has progressed. Recognition of the strategic importance of proteinase function should inspire more work harnessing new technologies such as imaging, proteomics, and gene editing to generate a more precise understanding of individual situations. New approaches to inhibitor design and assessment are possible, and the consequent ability to precisely abrogate specific MMP activity could contribute to the fight against a number of pathologies with unmet needs. What a ride it could be!
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Affiliation(s)
- Gillian Murphy
- From the Department of Oncology, University of Cambridge, Cancer Research UK Cambridge Institute, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
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Rempe RG, Hartz AMS, Bauer B. Matrix metalloproteinases in the brain and blood-brain barrier: Versatile breakers and makers. J Cereb Blood Flow Metab 2016; 36:1481-507. [PMID: 27323783 PMCID: PMC5012524 DOI: 10.1177/0271678x16655551] [Citation(s) in RCA: 417] [Impact Index Per Article: 52.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Accepted: 05/26/2016] [Indexed: 02/01/2023]
Abstract
Matrix metalloproteinases are versatile endopeptidases with many different functions in the body in health and disease. In the brain, matrix metalloproteinases are critical for tissue formation, neuronal network remodeling, and blood-brain barrier integrity. Many reviews have been published on matrix metalloproteinases before, most of which focus on the two best studied matrix metalloproteinases, the gelatinases MMP-2 and MMP-9, and their role in one or two diseases. In this review, we provide a broad overview of the role various matrix metalloproteinases play in brain disorders. We summarize and review current knowledge and understanding of matrix metalloproteinases in the brain and at the blood-brain barrier in neuroinflammation, multiple sclerosis, cerebral aneurysms, stroke, epilepsy, Alzheimer's disease, Parkinson's disease, and brain cancer. We discuss the detrimental effects matrix metalloproteinases can have in these conditions, contributing to blood-brain barrier leakage, neuroinflammation, neurotoxicity, demyelination, tumor angiogenesis, and cancer metastasis. We also discuss the beneficial role matrix metalloproteinases can play in neuroprotection and anti-inflammation. Finally, we address matrix metalloproteinases as potential therapeutic targets. Together, in this comprehensive review, we summarize current understanding and knowledge of matrix metalloproteinases in the brain and at the blood-brain barrier in brain disorders.
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Affiliation(s)
- Ralf G Rempe
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY, USA
| | - Anika M S Hartz
- Sanders-Brown Center on Aging, University of Kentucky, Lexington, KY, USA Department of Pharmacology and Nutritional Sciences, College of Medicine, University of Kentucky, Lexington, KY, USA
| | - Björn Bauer
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY, USA
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Gremonprez F, Willaert W, Ceelen W. Animal models of colorectal peritoneal metastasis. Pleura Peritoneum 2016; 1:23-43. [PMID: 30911606 DOI: 10.1515/pp-2016-0006] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Accepted: 03/04/2016] [Indexed: 12/13/2022] Open
Abstract
Colorectal cancer remains an important cause of mortality worldwide. The presence of peritoneal carcinomatosis (PC) causes significant symptoms and is notoriously difficult to treat. Therefore, informative preclinical research into the mechanisms and possible novel treatment options of colorectal PC is essential in order to improve the prognostic outlook in these patients. Several syngeneic and xenograft animal models of colorectal PC were established, studying a wide range of experimental procedures and substances. Regrettably, more sophisticated models such as those giving rise to spontaneous PC or involving genetically engineered mice are lacking. Here, we provide an overview of all reported colorectal PC animal models and briefly discuss their use, strengths, and limitations.
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Affiliation(s)
- Félix Gremonprez
- Department of Gastrointestinal Surgery, Ghent University Hospital, Ghent, Belgium
| | - Wouter Willaert
- Department of Gastrointestinal Surgery, Ghent University Hospital, Ghent, Belgium
| | - Wim Ceelen
- Department of Gastrointestinal Surgery, Ghent University Hospital, 2K12 IC UZ Gent De Pintelaan 185, 9000 Ghent, Belgium
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Shalaby MA, Nounou HA, Ms A, O A, Azzam N, Saeed HM. Associations between single nucleotide polymorphisms of COX-2 and MMP-2 genes and colorectal cancer susceptibility in the Saudi population. Asian Pac J Cancer Prev 2015; 15:4989-94. [PMID: 24998576 DOI: 10.7314/apjcp.2014.15.12.4989] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND It has been reported that COX-2 expression is associated with MMP-2 expression in thyroid and breast cancers, suggesting that MMPs are linked to COX-2-mediated carcinogenesis. Several polymorphisms within the MMP2 promoter region have been reported in cases with oncogenesis and tumor progression, especially in colorectal carcinogenesis. MATERIALS AND METHODS This research evaluated risk of association of the SNPs, including genes for COX-2 (A/G transition at +202) and MMP-2 (C/T transition at-1306), with colorectal cancer in 125 patients and 125 healthy controls. RESULTS AND CONCLUSIONS Our data confirmed that MMP2 C-1306 T mutations were significantly more common in colon cancer patients than in our control Saudi population; p=0.0121. On the other hand in our study, there was no significant association between genotype distribution of the COX2 polymorphism and colorectal cancer; p=0.847. An elevated frequency of the mutated genotype in the control group as compared to the patients subjects indeed suggested that this polymorphism could decrease risk in the Saudi population. Our study confirmed that the polymorphisms that could affect the expressions of MMP-2 and COX-2 the colon cancer patients were significantly higher than that in the COX-2 negative group. The frequency of individuals with MMP2 polymorphisms in colon cancer patients was higher than individuals with combination of COX2 and MMP2 polymorphisms. Our study confirmed that individuals who carried the polymorphisms that could affect the expressions of COX2 are more susceptible to colon cancer. MMP2 regulatory polymorphisms could be considered as protective; further studies need to confirm the results with more samples and healthy subjects.
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Affiliation(s)
- Manal Ali Shalaby
- Genetic Engineering and Biotechnology Research Institute (GEBRI), City for Scientific Research and Technology Applications, Egypt E-mail : ,
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Suppression of local invasion of ameloblastoma by inhibition of matrix metalloproteinase-2 in vitro. BMC Cancer 2008; 8:182. [PMID: 18588710 PMCID: PMC2443806 DOI: 10.1186/1471-2407-8-182] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2008] [Accepted: 06/30/2008] [Indexed: 11/10/2022] Open
Abstract
Background Ameloblastomas are odontogenic neoplasms characterized by local invasiveness. This study was conducted to address the role of matrix metalloproteinase-2 (MMP-2) in the invasiveness of ameloblastomas. Methods Plasmids containing either MMP-2 siRNA or tissue inhibitor of metalloproteinase-2 (TIMP-2) cDNA were created and subsequently transfected into primary ameloblastoma cells. Zymography, RT-PCR, and Western blots were used to assess MMP-2 activity and expression of MMP-2 and TIMP-2, as well as protein levels. Results Primary cultures of ameloblastoma cells expressed cytokeratin (CK) 14 and 16, and MMP-2, but only weakly expressed CK18 and vimentin. MMP-2 mRNA and protein levels were significantly inhibited by RNA interference (P < 0.05). Both MMP-2 siRNA and TIMP-2 overexpression inhibited MMP-2 activity and the in vitro invasiveness of ameloblastoma. Conclusion These results indicate that inhibition of MMP-2 activity suppresses the local invasiveness of ameloblastoma cells. This mechanism may serve as a novel therapeutic target in ameloblastomas pursuant to additional research.
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Becker G, Galandi D, Blum HE. Malignant ascites: systematic review and guideline for treatment. Eur J Cancer 2006; 42:589-97. [PMID: 16434188 DOI: 10.1016/j.ejca.2005.11.018] [Citation(s) in RCA: 189] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2005] [Revised: 11/05/2005] [Accepted: 11/08/2005] [Indexed: 12/13/2022]
Abstract
A guideline on the management of symptomatic malignant ascites by abdominal paracentesis, diuretics and peritoneovenous shunting, based on a systematic review of the literature is presented. Thirty-two relevant studies were identified. None were randomized control trials, one was a non-randomized open controlled trial, five were cohort studies or prospective uncontrolled trials, 26 studies were non-analytic studies like case series. Although paracentesis, diuretics and shunting are commonly used procedures, the evidence is weak. Available data show good, although temporary effect of paracentesis on symptom relief. Fluid withdrawal speed and concurrent intravenous hydration is not sufficiently studied. Peritoneovenous shunts can control ascites in patients with malignant ascites, but have to be balanced by the potential risks of this procedure. The available data about diuretics in treatment of malignant ascites are controversial. The use of diuretics therefore should be considered in all patients, but has to be evaluated individually.
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Affiliation(s)
- Gerhild Becker
- Department of Internal Medicine II, University Hospital of Freiburg, Hugstetter Str. 55, D-79106 Freiburg, Germany.
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Seth A, Catzavelos C, Vary C, Ascione R. ETS transcription factors and targets in tumour invasion, angiogenesis and bone metastasis. ACTA ACUST UNITED AC 2005; 5:87-107. [PMID: 15992169 DOI: 10.1517/14728222.5.1.87] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The ETS gene family encodes unique transcription regulators that have a common ETS DNA binding domain. At least 25 distinct ETS related genes have been isolated from various species. The ETS family transcription factors are known to regulate genetic programs essential for differentiation and development processes and play diverse roles in a number of biological processes such as organogenesis and tissue remodelling during murine development, hematopoiesis, B-cell development, activation of T-cells and signal transduction, as well as osteogenesis, osteoblast differentiation and extracellular matrix mineralization. Based on the observation of overexpression of ETS related genes in various primary and metastatic tumors, their utility as potential therapeutic targets has been suggested. Antisense oligonucleotides, transdominant, and dominant-negative mutants have been exploited to target and inhibit ETS gene expression selectively. These ETS-targeted studies are being pursued to assess their antitumour effect, and hold the potential that such specific ETS-targeted inhibitors may become a viable option for cancer therapy. Collectively, these studies also demonstrate that Ets factors can regulate multiple aspects of the malignant phenotype of many tumor cells in particular neoangiogenesis and extracellular matrix-regulated (ECM-regulated) cell proliferation, motility and invasiveness.
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Affiliation(s)
- A Seth
- Department of Anatomic Pathology, Sunnybrook and Women's College Health Sciences Centre, University of Toronto, Ontario, Canada.
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Ogata Y, Matono K, Nakajima M, Sasatomi T, Mizobe T, Nagase H, Shirouzu K. Efficacy of the MMP inhibitor MMI270 against lung metastasis following removal of orthotopically transplanted human colon cancer in rat. Int J Cancer 2005; 118:215-21. [PMID: 16003755 DOI: 10.1002/ijc.21285] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
We have investigated the antitumor effects of synthetic MMP inhibitor MMI270 against postoperative lung metastasis from colon cancer in nude rat. The KM12SM human colon cancer cells were injected into the cecal wall, and at 5 weeks after the injection, the cecum was removed including the tumor. Then, 30 mg/kg of MMI270 was administered perorally twice per day for 2 or 4 weeks, either immediately after removal or after week 2 after the removal. At week 7 after the removal, lung metastasis was significantly inhibited by the early administration of MMI270 immediately after the tumor removal but not by the late administration. The survival rates were significantly higher in the rats treated by early administration of MMI270 compared to the survival rate in untreated rats. Moreover, no lung metastasis was detected in some rats with 24-weeks' survival treated by early administration. Lower microvessel density, lower PCNA Index and higher Apoptotic Index in the lung metastases of the rats treated with MMI270 were found compared to those in untreated rats. A beneficial effect of by early administration of MMI270 against postoperative lung metastases may be expected through inhibiting neovascularization of metastases in nude rat.
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Affiliation(s)
- Yutaka Ogata
- Department of Surgery, Kurume University School of Medicine, Japan.
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Lee A, Neng LT. The impact of clinical guidelines on paracentesis. Palliat Med 2003; 17:378; author reply 379. [PMID: 12822856 DOI: 10.1191/0269216303pm745xx] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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12
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Nakopoulou L, Giannopoulou I, Stefanaki K, Panayotopoulou E, Tsirmpa I, Alexandrou P, Mavrommatis J, Katsarou S, Davaris P. Enhanced mRNA expression of tissue inhibitor of metalloproteinase-1 (TIMP-1) in breast carcinomas is correlated with adverse prognosis. J Pathol 2002; 197:307-13. [PMID: 12115876 DOI: 10.1002/path.1129] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Tissue inhibitor of metalloproteinase-1 (TIMP-1) has emerged as a multifunctional protein with the contrasting activities of inhibiting tissue-degrading enzymes and promoting cellular growth. In an attempt to elucidate the clinical significance of TIMP-1 in breast cancer, the expression of TIMP-1 mRNA was evaluated in 117 invasive breast carcinomas by mRNA in situ hybridization, in correlation with clinicopathological parameters, immunohistochemical prognostic factors (Ki-67, c-erb-B-2, bcl-2) and clinical outcome. TIMP-1 was detected in stromal cells in areas within the tumours and at the tumour margin. High TIMP-1 mRNA expression in the marginal portion of the tumours was significantly correlated with lymph node metastasis (p<0.05) and c-erbB-2 expression (p<0.05). On the other hand, increased TIMP-1 mRNA expression within the tumours showed a statistically significant correlation with ER detection (p<0.01). Multivariate analysis revealed worse survival for patients with high TIMP-1 mRNA expression in the marginal portion of the tumours; the subgroup of these patients co-expressing high levels of TIMP-1 mRNA within the tumours as well had even worse survival (p=0.042). In conclusion, our data support the multifunctional role of TIMP-1, particularly its growth-promoting activity, on the basis of its significant correlation with lymph node metastasis and adverse prognosis. In addition to the latter property, a probable association of TIMP-1 with tumour cell differentiation is suggested by its topographical correlation with ER detection.
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MESH Headings
- Adult
- Aged
- Aged, 80 and over
- Biomarkers/analysis
- Breast Neoplasms/metabolism
- Breast Neoplasms/mortality
- Carcinoma, Ductal, Breast/metabolism
- Carcinoma, Ductal, Breast/mortality
- Carcinoma, Lobular/metabolism
- Carcinoma, Lobular/mortality
- Chi-Square Distribution
- Female
- Humans
- Immunohistochemistry/methods
- In Situ Hybridization/methods
- Ki-67 Antigen/analysis
- Lymphatic Metastasis
- Middle Aged
- Proto-Oncogene Proteins c-bcl-2/analysis
- RNA, Messenger/metabolism
- Receptor, ErbB-2/analysis
- Ribonuclease, Pancreatic
- Survival Rate
- Tissue Inhibitor of Metalloproteinase-1/genetics
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Affiliation(s)
- Lydia Nakopoulou
- Department of Pathology, Athens National University Medical School, Greece.
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Loftus IM, Naylor AR, Bell PRF, Thompson MM. Matrix metalloproteinases and atherosclerotic plaque instability. Br J Surg 2002; 89:680-94. [PMID: 12027977 DOI: 10.1046/j.1365-2168.2002.02099.x] [Citation(s) in RCA: 78] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND There is growing interest in the role of matrix metalloproteinases in atherosclerosis. Excessive tissue remodelling and increased matrix metalloproteinase activity have been demonstrated during atherosclerotic plaque disruption, a frequent predeterminant of ischaemic cardiac events and stroke. These enzymes represent a potential target for therapeutic intervention to modify vascular pathology. METHODS The core of this review is derived from a Medline database literature search. RESULTS There is convincing evidence of increased matrix metalloproteinase activity during acute plaque disruption. Evidence for an imbalance promoting increased matrix degradation is less well documented. However, studies of matrix metalloproteinase inhibition in models of vascular disease suggest a potential therapeutic benefit. CONCLUSION In vivo studies of matrix metalloproteinase inhibition are required to study the potential for reversal or deceleration of the excessive tissue remodelling that accompanies acute plaque disruption.
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Affiliation(s)
- Ian M Loftus
- Department of Surgery, Leicester University, Robert Kilpatrick Clinical Sciences Building, Leicester Royal Infirmary, PO Box 65, Leicester LE2 7LX, UK.
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14
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Abstract
There is growing interest in the role of matrix metalloproteinases in vascular diseases. These conditions are often characterized by excessive tissue remodelling, and increased matrix metalloproteinase activity has been demonstrated in aneurysms, intimal hyperplasia and atherosclerotic plaque disruption. These enzymes represent a potential target for therapeutic intervention to modify vascular pathology. The core of this review is derived from a MEDLINE database literature search. The review found that there is convincing evidence of increased matrix metalloproteinase activity in a spectrum of vascular disease. Evidence for an imbalance promoting increased matrix degradation is less well documented. However, studies of matrix metalloproteinase inhibition in vascular disease models suggest potential therapeutic benefit. In conclusion, in vivo studies of matrix metalloproteinase inhibition are required to further study the potential for reversal or deceleration of the excessive tissue remodelling that accompanies vascular disorders.
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Affiliation(s)
- I M Loftus
- Department of Surgery, Leicester University, UK.
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15
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Abstract
Matrix metalloproteinases (MMPs) appear to play a key role in the development and progression of human malignancies. MMPs mediate the destruction of the extracellular matrix, which is an important early step in tumor invasion and metastasis. Growing evidence suggests that MMPs also have angiogenic activity and participate in the early stages of tumorigenesis and primary tumor growth. Investigations in experimental animal models have confirmed the importance of MMPs in the pathogenesis of colorectal cancer, and studies in humans show a direct association between increased MMP expression and tumor invasiveness, development of metastases, and shortened survival. In this review, the physiologic role of MMPs in normal tissues is examined and data supporting the role of MMPs in the pathogenesis of colorectal cancer are reviewed. The results of clinical trials with MMP inhibitors in colorectal cancer and promising areas for future investigation are also discussed.
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Affiliation(s)
- Angela G Mysliwiec
- Department of Hematology/Oncology, Brooke Army Medical Center, San Antonio, TX, USA
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16
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Ridwelski K, Meyer F, Hribaschek A, Kasper U, Lippert H. Intraoperative and early postoperative chemotherapy into the abdominal cavity using gemcitabine may prevent postoperative occurence of peritoneal carcinomatosis. J Surg Oncol 2002; 79:10-6. [PMID: 11754372 DOI: 10.1002/jso.10000] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND AND OBJECTIVES Malignant tumors of various abdominal organs are blamed to be the cause of death in approximately 40% of cases per year in Western Europe. At the time of death, about half of them show peritoneal carcinomatosis which is considered an unfavorable prognostic factor. In case of peritoneal carcinomatosis, there is no curative treatment available for any of the tumors in the abdominal cavity. The aim of this experimental study was to evaluate the preventive potential of intra-operative or early postoperative local administration of gemcitabine into the abdominal cavity against peritoneal carcinomatosis. METHODS Peritoneal carcinomatosis was induced in male WAG rats (n = 18) by transfer of 5 x 10(6) cells of the adenocarcinoma cell line CC-531 via minilaparotomy carried out in all rats under general anesthesia. Thirty days after cell transfer, rats were sacrificed and peritoneal carcinomatosis was confirmed using histologic investigation in specimens obtained from the peritoneal site. Extension of this carcinomatosis was quantified by (i) counting tumor nodes per square centimeter (mean of several counts) and (ii) determining tumor weight (weight of the greater omentum plus the resected mesentery). Rats were subdivided into three groups (n = 6 per group): group 1 (controls); group 2, simultaneously with tumor cell transfer 24 mg/kg of gemcitabine were administered into the abdominal cavity; group 3, postoperative intraperitoneal irrigation with 24 mg/kg of gemcitabine was achieved via a previously implanted port-a-cath on days(d) 15, 21, and 27. RESULTS On the 30th postoperative day, all six animals of the control group showed extensive tumor growth at the peritoneum and greater omentum, indicating carcinomatosis. In contrast, none of the rats of group 2 revealed any traces of intraperitoneal tumor growth. While all rats of group 3 demonstrated intraperitoneal tumor growth, but early postoperative treatment with gemcitabine, however, resulted in a significant reduction of the number of tumor nodes and tumor weight in comparison with group 1 (controls). CONCLUSIONS Immediate, i.e., simultaneous intraoperative application of a cytostatic agent such as gemcitabine into the abdominal cavity may completely prevent the generation of peritoneal carcinomatosis from occuring tumor cells, whereas early postoperative locoregional chemotherapy into the abdominal cavity can only reduce the severity of the peritoneal carcinomatosis.
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Affiliation(s)
- Karsten Ridwelski
- Division of Oncosurgery/Oncology, Department of Surgery, University Hospital, Otto von Guericke University, Magdeburg, Germany.
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Pross M, Lippert H, Mantke R, Krüger S, Günther T, Marusch F, Halangk W, Schulz HU. A proteinase inhibitor decreases tumor growth in a laparoscopic rat model. Surg Endosc 2001; 15:882-5. [PMID: 11443463 DOI: 10.1007/s004640090029] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2000] [Accepted: 09/11/2000] [Indexed: 10/26/2022]
Abstract
BACKGROUND The balance between proteolysis and protease inhibition in the formation and breakdown processes of the extracellular matrix plays a major role in tumor cell invasion. An understanding of this relationship gave rise to the therapeutic concept of lowering tumor cell invasion by inhibiting protease activity. Phosphoramidon is an unspecific proteinase inhibitor. This experimental study investigated the effect of intraperitoneal phosphoramidon administration on tumor growth in a laparoscopic rat model. METHODS In the first phase of the study, we investigated the influence of phosphoramidon on tumor cell invasion in a collagen matrix gel chamber in vitro. In a second experiment, a suspension of colon carcinoma cells (CC531) was introduced into the peritoneal cavity of male WAG rats. Prior to laparoscopy (at 6 mmHg for 20 min), the animals were randomized to two groups. At the start of laparoscopy, the test substance was applied intraperitoneally (group 1: controls, 1 ml 0.9% NaCl; group 2: 250 mg phosphoramidon in 1 ml 0.9% NaCl). Three weeks after the injection of tumor cells, the animals were autopsied and the tumor mass determined. RESULTS In comparison with the control group (tumor weight 7.42 +/- 1.01 g), intraperitoneal tumor growth in the experimental group was significantly (p < 0.001) reduced by the application of phosphoramidon (tumor weight, 3.22 +/- 1.06 g). Phosphoramidon also significantly (p < 0.05) reduced tumor cell invasion through the matrix gel. CONCLUSION The proteinase inhibitor phosphoramidon reduced tumor cell invasion in vitro and tumor cell growth in vivo in this laparoscopic rat model.
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Affiliation(s)
- M Pross
- Department of Surgery, Otto von Guericke University, Leipziger Strasse 44, D-39120 Magdeburg, Germany.
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18
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Abstract
Angiogenesis is the outgrowth of new vessels from pre-existing ones. Tumour growth and metastasis is dependent on angiogenesis and many stimulatory and inhibitory factors have been described which play an active role in this process. Inhibition of tumour neovasculature may be one strategy to inhibit tumour growth. Naturally occurring inhibitors of angiogenesis have been discovered and synthetic agents have been designed. Many of these inhibitors are currently being evaluated in clinical trials for the treatment of cancer. This review discusses the mechanism of action of these anti-angiogenics as well as a description of the clinical trials in which they are being evaluated.
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Affiliation(s)
- T G Zogakis
- Surgery Branch, National Cancer Institute, 10/2B1710 Center Drive, Bethesda, MD 20892, USA
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19
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Steward WP, Thomas AL. Marimastat: the clinical development of a matrix metalloproteinase inhibitor. Expert Opin Investig Drugs 2000; 9:2913-22. [PMID: 11093361 DOI: 10.1517/13543784.9.12.2913] [Citation(s) in RCA: 75] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Marimastat (BB-2516) is the first orally bioavailable matrix metalloproteinase inhibitor to have entered clinical trials in the field of oncology. It has excellent bioavailability and has completed Phase I, II and some Phase III trials. In Phase I studies, which recruited patients with various malignancies, the main toxicity observed was mild to severe joint and muscle pain seen in > 60% of patients receiving a dose of marimastat > 50 mg b.i.d. The symptoms were reversible on discontinuation of the drug and their incidence has been reduced by using marimastat 10 mg b.i.d. In a number of Phase II studies in a variety of tumours, serum tumour markers were used as surrogate determinants of efficacy. Results were interpreted as indicating activity, but this has not yet translated into improved survival in the Phase III studies, which have been completed in pancreatic or gastric carcinoma and glioma. It is likely that these drugs will be most effective in the setting of minimal tumour volume such as in adjuvant treatment or maintenance therapy following response to standard cytotoxics. Therefore, the analysis of Phase III studies in small cell lung cancer (SCLC) where this hypothesis has been tested is awaited with interest. Marimastat can be safely co-administered with conventional cytotoxics and radiotherapy and Phase III studies using these approaches are currently ongoing.
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Affiliation(s)
- W P Steward
- Department of Oncology, Leicester Royal Infirmary, Leicester, LE1 5WW, UK.
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20
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Abstract
Cutaneous melanoma is a highly invasive and metastatic tumor. Degradation of basement membranes and extracellular matrix is an essential step in melanoma cell migration, invasion, and metastasis formation. Matrix metalloproteinases and their tissue inhibitors play a crucial role in these complex multistep processes. Melanoma cells may express a number of matrix metalloproteinase family members (MMP-1, MMP-2, MMP-9, MMP-13, and MT1-MMP) as well as their tissue inhibitors (TIMP-1, TIMP-2, and TIMP-3). Numerous studies have examined matrix metalloproteinases, their tissue inhibitors, and the molecules that regulate their expression and/or activation in melanoma cell lines in vitro and in vivo, and in human melanocytic lesions. Recent results have indicated that adhesion molecules such as CD44 and integrin alphavbeta3 are involved in positioning activated matrix metalloproteinase molecules on the cell surface of invasive tumor cells. In this review we evaluate these novel aspects of the role of matrix metalloproteinases and their tissue inhibitors in melanoma progression. We conclude that the balance between levels of activated matrix metalloproteinases and expression levels of their tissue inhibitors, and the coexpression of activated matrix metalloproteinases and adhesion molecules are important factors in determining melanoma cell invasion, tumor growth, and metastasis formation.
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Affiliation(s)
- U B Hofmann
- Department of Pathology, University Hospital, Nijmegen, The Netherlands.
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21
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Kikuchi R, Noguchi T, Takeno S, Kubo N, Uchida Y. Immunohistochemical detection of membrane-type-1-matrix metalloproteinase in colorectal carcinoma. Br J Cancer 2000; 83:215-8. [PMID: 10901373 PMCID: PMC2363481 DOI: 10.1054/bjoc.2000.1195] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
We investigated whether the expression of membrane-type-1 matrix metalloproteinase (MT1-MMP), matrix metalloproteinase-2 (MMP-2) and tissue inhibitor of metalloproteinase-2 (TIMP-2) was consistent with the proposed roles of these proteins in promoting metastasis in colorectal cancer. The expression of MT1-MMP was significantly more frequent in deeply invasive carcinomas (P = 0.007) and in cases of vascular invasion (P = 0.02). The frequency of detection of MMP-2 in the stroma was much greater in vascular invasion-positive cases (42%) than in negative cases (20%; P = 0.02). The rate of detection of TIMP-2 in tumour cell cytoplasm increased with the depth of invasion (P = 0.03). TIMP-2 in the stroma was found more frequently in tumours with lymphatic invasion and lymph node metastasis (P < 0.05). Significant correlations were found between detection of MT1-MMP and MMP-2 in tumour cell cytoplasm (P < 0.05), of MT1-MMP and TIMP-2 in tumour cell cytoplasm (P < 0.01), and of MMP-2 and TIMP-2 in tumour cell cytoplasm (P < 0.01). Immunohistochemical detection of MT1-MMP and TIMP-2 might be useful for monitoring infiltration in colorectal carcinoma but is not correlated with distant metastases.
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Affiliation(s)
- R Kikuchi
- Department of Surgery II, Oita Medical University, Japan
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22
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Yip D, Ahmad A, Karapetis CS, Hawkins CA, Harper PG. Matrix metalloproteinase inhibitors: applications in oncology. Invest New Drugs 2000; 17:387-99. [PMID: 10759405 DOI: 10.1023/a:1006386406584] [Citation(s) in RCA: 65] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Matrix metalloproteinases (MMP) are a group of zinc dependent enzymes which include the interstitial collagenases, stromelysins, gelatinases and membrane-type metalloproteinases. They are involved in the remodelling and turnover of the extracellular matrix proteins. They play a role in wound healing and the pathogenesis of arthritis. In malignancies they play a role in tumor invasion, metastasis and angiogenesis. A number of synthetic matrix metalloproteinase inhibitors (MMPIs) have been developed for clinical use. In preclinical tumor models they have shown promising activity in achieving inhibition of MMPs and reducing tumor growth and metastatic spread. Some have also shown additive or synergistic effects with cytotoxic agents. Phase I and II studies in human subjects have defined the main side effects of these agents as being musculoskeletal pains or arthralgias. As they are cytostatic agents rather than cytotoxic in activity conventional measurements of radiological response for assessment are not applicable in trials. Biological activity has been demonstrated in certain cancers by the effects on levels of tumor markers as surrogate markers of tumor response and also by a fibrotic stromal reaction seen in tumor tissue. Newer agents have been developed with selective inhibition of certain MMPs in an attempt to reduce the side effects. A number of phase III human clinical trials evaluating MMPs are being carried out at present but only one has been formally reported so far. This study suggested that marimastat had no survival advantage when compared to chemotherapy with gemcitabine in advanced pancreatic carcinoma. Current trials are assessing efficacy of MMPIs in maintenance of remission after other modalities of therapy or in combination with cytotoxic agents. MMPs have also been demonstrated to play an important role in the articular cartilage destruction seen in both rheumatoid arthritis and osteoarthritis. The use of MMPIs in both ex vivo and in vivo models have shown promising results and trials are in process to assess their potential role in the control of articular destruction. The true therapeutic role of MMPIs await the results of these randomized studies.
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Affiliation(s)
- D Yip
- Department of Medical Oncology, Guy's Hospital, London, United Kingdom
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23
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Jimenez RE, Hartwig W, Antoniu BA, Compton CC, Warshaw AL, Fernández-Del Castillo C. Effect of matrix metalloproteinase inhibition on pancreatic cancer invasion and metastasis: an additive strategy for cancer control. Ann Surg 2000; 231:644-54. [PMID: 10767785 PMCID: PMC1421051 DOI: 10.1097/00000658-200005000-00004] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVE To investigate the effect of a matrix metalloproteinase (MMP) inhibitor, BB-94, on the viability, invasion, and metastases of pancreatic cancer. SUMMARY BACKGROUND DATA Inhibitors of MMPs, enzymes that degrade extracellular matrix, have been tested as single chemotherapeutic agents for pancreatic cancer. METHODS Capan1 and AsPC1 cell lines were studied. BB-94 cytotoxicity was evaluated by cell proliferation assays. Production of MMP2 and MMP9 in conditioned media was demonstrated by gelatin zymography. The in vitro effect of BB-94 on cell invasion was assayed using invasion chambers. Hepatic metastases from pancreatic cancer were induced by intrasplenic injections of Capan1 or AsPC1 cells in nude mice. The in vivo effect of BB-94 on liver metastases was evaluated by comparing animals receiving BB-94 treatment with controls receiving vehicle alone. Variables measured included death rate and tumor burden (liver-to-body weight ratio). RESULTS BB-94 was not cytotoxic between 3 and 3,000 ng/mL. Zymography demonstrated production of MMP2 and MMP9 by both cell lines, with complete inhibition of these enzymes by BB-94 at 48 ng/mL. Invasion chamber assays showed that BB-94 (48-400 ng/mL) impeded cell invasion in vitro compared with untreated controls. In vivo, BB-94 prevented death or reduced the death rate from hepatic metastases in animals injected with Capan1 or AsPC1 cells. BB-94 treatment resulted in significant reductions in hepatic tumor burden compared with untreated controls. CONCLUSIONS Inhibition of MMP reduces both growth of pancreatic cancer metastases and the death rate. These actions do not reflect cytotoxicity but rather result from impaired cancer cell attachment, migration, and organ invasion. MMP inhibitors may provide an additive effect to cytotoxic agents in multidimensional treatment regimens for pancreatic cancer.
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Affiliation(s)
- R E Jimenez
- Departments of Surgery and Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, USA
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24
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Abstract
The matrix metalloproteinases (MMPs) are a large family of proteolytic enzymes, which are involved in the degradation of many different components of the extracellular matrix. The MMPs have been classified into different groups including collagenases, gelatinases, stromelysins, and others, particularly membrane-type MMPs, based mainly on the in vitro substrate specificity of individual MMPs. There is increasing evidence to indicate that individual MMPs have important roles in tumour invasion and metastasis. However, the current concept of the role of MMPs in tumour invasion is that they not only have a direct role in tumour invasion by facilitating extracellular matrix degradation, but as a consequence they also have an important role in maintaining the tumour micro-environment and thus promoting tumour growth. Inhibiting the action of MMPs represents a new therapeutic approach for the treatment of individual types of cancer and several broad-spectrum, low-molecular-weight MMP inhibitors are currently being assessed for clinical use. This review examines the role of MMPs in tumour invasion and metastasis, with an emphasis on studies of clinical relevance.
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Affiliation(s)
- S Curran
- Department of Pathology, University of Aberdeen, Foresterhill, Aberdeen, AB25 2ZD, U.K
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25
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Ara T, Kusafuka T, Inoue M, Kuroda S, Fukuzawa M, Okada A. Determination of imbalance between MMP-2 and TIMP-2 in human neuroblastoma by reverse-transcription polymerase chain reaction and its correlation with tumor progression. J Pediatr Surg 2000; 35:432-7. [PMID: 10726683 DOI: 10.1016/s0022-3468(00)90208-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND/PURPOSE The matrix metalloproteinases (MMPs) and their specific tissue inhibitors (TIMPs) have been implicated in tumor invasion and metastasis. Net matrix degradation and proteolysis depend on the critical local balance between MMPs/TIMP-2. We attempted to determine their expression balance and to evaluate its importance with tumor progression. METHODS Expressions of MMP-2, MMP-9, and TIM P-2 mRNAs was quantified by reverse-transcription polymerase chain reaction (RT-PCR) in tumor tissues from 25 neuroblastoma patients. RESULTS MMP-2, MMP-9, and TIMP-2 expression was observed in all the samples but with different trends. Increased expressions of MMP-2 mRNA was evident in advanced stages (Evans' stage III and IV; P = .02; unpaired ttest), and in patients who died of progressive disease (P = .0001). Whereas, the expressions of MMP-9 and TIMP-2 had no such significant association with clinical stages and prognosis. The ratio of MMP-2/TIMP-2 mRNAs was significantly higher in the advanced stages versus early stages (mean +/- SD = 1.66+/-0.65 and 1.11+/-0.34, respectively; P = .02) and in patients who died of progressive disease versus alive patients (mean = 2.13+/-0.78 and 1.21+/-0.36, respectively; P = .0006). CONCLUSIONS Coexpression of MMPs and TIMP-2 in neuroblastoma indicates the need to evaluate their expression balance. Significantly higher expression of MMP-2 mRNA and increased ratio of MMP-2 and TIMP-2 mRNAs in advanced stages or patients who have died of progressive disease suggests an association between elevated MMP-2 expression and poor prognosis. To establish the role of enzyme to inhibitor mRNA ratio as a reliable predictor, cohort studies with significant number of cases may be carried out.
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Affiliation(s)
- T Ara
- Department of Pediatric Surgery, Osaka University Graduate School of Medicine, Suita City, Japan
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26
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Lana SE, Ogilvie GK, Hansen RA, Powers BE, Dernell WS, Withrow SJ. Identification of matrix metalloproteinases in canine neoplastic tissue. Am J Vet Res 2000; 61:111-4. [PMID: 10685678 DOI: 10.2460/ajvr.2000.61.111] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To identify matrix metalloproteinases (MMP) 2 and 9 in canine tumor tissue and to compare the amount of activity to that in unaffected stromal tissue. ANIMALS 30 dogs with spontaneously developing, high-grade osteosarcoma. PROCEDURE Tumor and nearby stromal tissue (muscle) were obtained at the time of surgery. Specimens were homogenized, and supernatants were assayed, using gelatin zymography. Human derived standards were run concurrently. Densitometry was done to obtain a semiquantitative arbitrary unit value for each specimen. The amount of activity in tumor tissue was compared with the amount in stromal tissue. RESULTS Gelatinolytic bands were observed from the analysis of all tumor tissues and in most stromal tissues. These bands migrated in the same molecular weight area as the human MMP 2 and 9 standards. Gelatinolytic activity could be quenched by the addition of 50 mM EDTA and 1 microg of synthetic tissue inhibitor of metalloproteinase (TIMP) 2 per 100 ml. There was significantly more gelatinolytic activity in tumor tissue than in stromal tissue. CONCLUSIONS AND CLINICAL RELEVANCE MMP 2 and 9 are detectable in canine neoplastic tissue. Matrix metalloproteinases activity in tumor tissue is higher than in unaffected stromal tissue, indicating that canine MMP may be involved in the pathogenesis of tumor growth and metastasis.
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Affiliation(s)
- S E Lana
- Department of Clinical Sciences, College of Veterinary Medicine and Biological Sciences, Colorado State University, Ft. Collins 80523, USA
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27
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Abstract
The matrix metalloproteinases (MMPs) are a large family of proteolytic enzymes, which are involved in the degradation of many different components of the extracellular matrix. The MMPs have been classified into different groups including collagenases, gelatinases, stromelysins, and others, particularly membrane-type MMPs, based mainly on the in vitro substrate specificity of individual MMPs. There is increasing evidence to indicate that individual MMPs have important roles in tumour invasion and metastasis. However, the current concept of the role of MMPs in tumour invasion is that they not only have a direct role in tumour invasion by facilitating extracellular matrix degradation, but as a consequence they also have an important role in maintaining the tumour micro-environment and thus promoting tumour growth. Inhibiting the action of MMPs represents a new therapeutic approach for the treatment of individual types of cancer and several broad-spectrum, low-molecular-weight MMP inhibitors are currently being assessed for clinical use. This review examines the role of MMPs in tumour invasion and metastasis, with an emphasis on studies of clinical relevance.
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Affiliation(s)
- S Curran
- Department of Pathology, University of Aberdeen, Foresterhill, Aberdeen, AB25 2ZD, U.K
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28
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Ornstein DL, MacNab J, Cohn KH. Evidence for tumor-host cooperation in regulating MMP-2 expression in human colon cancer. Clin Exp Metastasis 1999; 17:205-12. [PMID: 10432005 DOI: 10.1023/a:1006562818088] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Matrix metalloproteinase 2 (MMP-2) facilitates tumor growth and metastasis in colon cancer. Although tumor cells may produce MMP-2, stromal cells, such as macrophages and fibroblasts, contribute significantly to MMP-2 synthesis in human tumors. We characterized four human colon cancer cell lines with differing biological behavior for MMP-2 expression. While the parent tumors from which the cell lines were derived all expressed MMP-2 mRNA, MMP-2 transcripts were detected in only one cell line, TF-17C, which is nontumorigenic in a nude mouse tumor model. TF-43C, which is tumorigenic and metastatic in the same tumor model, did not produce MMP-2, yet the tumors which arose from it after injection into nude mice did contain MMP-2 mRNA, suggesting a contribution from stromal cells. Co-culturing TF-43C with fibroblasts resulted in an increase in MMP-2 protein, whereas co-culturing with the nontumorigenic cell line TF-13Cm did not alter constitutive fibroblast MMP-2 secretion. Conditioned medium from TF-43C cells also stimulated fibroblast MMP-2 production. These data suggest that a soluble factor from TF-43C cells can stimulate fibroblast MMP-2 production and support the hypothesis that colon cancer cell interactions with stromal fibroblasts may be important determinants of tumor behavior in vivo.
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Affiliation(s)
- D L Ornstein
- VA Medical and Regional Office Center, White River Junction, Vermont 05009, USA
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29
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Baker AH, George SJ, Zaltsman AB, Murphy G, Newby AC. Inhibition of invasion and induction of apoptotic cell death of cancer cell lines by overexpression of TIMP-3. Br J Cancer 1999; 79:1347-55. [PMID: 10188875 PMCID: PMC2362728 DOI: 10.1038/sj.bjc.6690217] [Citation(s) in RCA: 214] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Dysregulation of matrix degrading metalloproteinase enzymes (MMPs) leads to increased extracellular matrix turnover, a key event in the local invasion and metastasis of many tumours. The tissue inhibitors of metalloproteinases (TIMPs) limit the activity of MMPs, which suggests their use in gene therapy. We have previously shown that overexpression of TIMP-1, -2 or -3 inhibits vascular smooth muscle and melanoma cell invasion, while TIMP-3 uniquely promotes apoptosis. We have therefore sought to determine whether TIMP-3 can inhibit invasion and promote apoptosis in other cancer cell types. Adenoviral-mediated overexpression of TIMP-3 inhibited invasion of HeLa and HT1080 cells through artificial basement membrane to similar levels as that achieved by TIMP-1 and -2. However, TIMP-3 uniquely promoted cell cycle entry and subsequent death by apoptosis. Apoptosis was confirmed by morphological analysis, terminal dUTP nick end labelling (TUNEL) and flow cytometry. The apoptotic phenotype was mimicked by addition of exogenous recombinant TIMP-3 to uninfected cultures demonstrating that the death signal is initiated extracellularly and that a bystander effect exists. These results show that TIMP-3 inhibits invasion in vitro and promotes apoptosis in cancer cell type of differing origin. This clearly identifies the potential of TIMP-3 for gene therapy of multiple cancer types.
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Affiliation(s)
- A H Baker
- University of Bristol, Division of Surgery, Bristol Royal Infirmary, UK
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30
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Shattuck-Brandt RL, Lamps LW, Heppner Goss KJ, DuBois RN, Matrisian LM. Differential expression of matrilysin and cyclooxygenase-2 in intestinal and colorectal neoplasms. Mol Carcinog 1999. [DOI: 10.1002/(sici)1098-2744(199903)24:3<177::aid-mc4>3.0.co;2-6] [Citation(s) in RCA: 62] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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31
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Rao VH, Singh RK, Finnell RH, Dave BJ, Beuhler BA, Sanger WG, Schaefer GB. Matrix metalloproteinases and their inhibitors in tumor invasion and metastasis. J CHEM SCI 1999. [DOI: 10.1007/bf02869913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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32
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Abstract
Tissue inhibitors of matrix metalloproteinases (TIMPs) are a family of natural inhibitors that control the activity of matrix metalloproteinases (MMPs) in the extracellular matrix (ECM). Four members of this family have been so far characterized in a variety of species. These inhibitors share a similar structural feature characterized by the presence of 12 cysteine residues involved in disulfide bonds and a similar function by their ability to form inhibitory complexes with MMPs. The role of TIMPs in cancer has been the subject of conflicting reports with an antitumor activity reported by some investigators and a growth stimulation activity reported by others. Here we will discuss a series of data obtained in our laboratory supporting a role of TIMPs not only as inhibitors of invasion but also as regulators of cell growth. Using placental development as an example of a regulated invasive process, we have observed that the levels of TIMP-2 and TIMP-3 steadily increase between day 14.5 and 17.5 post-coitus. TIMPs are selectively expressed by spongiotrophoblastic cells that separate the labyrinthine zone, rich in fetal blood vessels and maternal blood sinuses, from the zone of giant cells forming the border between fetal and maternal tissues. TIMPs are also potent inhibitors of tumor growth in vivo. In melanoma cells, we have previously reported that over-expression of TIMP-2 inhibits the growth of tumors implanted in the skin of scid mice. This growth inhibition seems independent of angiogenesis but dependent on the collagen matrix. We observed that in the presence of fibrillar type I collagen, melanoma cells undergo a growth arrest at the G1 to S interphase transition of the cell cycle. This arrest is specific to the fibrillar structure of collagen because it is not observed in the presence of non-fibrillar collagen or other ECM components. It is associated with a specific upregulation of the cyclin inhibitor p27KIP1. The data therefore indicate that anchorage independent cells remain sensitive to growth regulatory signals that originate from the ECM and that these signals can specifically block tumor cell cycle. Thus our concept of the role of protease inhibitors such as TIMPs in cancer has substantially changed from an initial focus on inhibition of tumor invasion and metastasis to a broader focus on being molecules that--via their function as regulators of the ECM homeostasis--can control tumor cell growth.
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Affiliation(s)
- P Henriet
- Department of Pediatrics, Childrens Hospital Los Angeles and the University of Southern California, 90027, USA
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33
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Ara T, Fukuzawa M, Kusafuka T, Komoto Y, Oue T, Inoue M, Okada A. Immunohistochemical expression of MMP-2, MMP-9, and TIMP-2 in neuroblastoma: association with tumor progression and clinical outcome. J Pediatr Surg 1998; 33:1272-8. [PMID: 9722003 DOI: 10.1016/s0022-3468(98)90167-1] [Citation(s) in RCA: 59] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND/PURPOSE The matrix metalloproteinases (MMPs) are responsible for degradation of the extracellular matrix. The MMPs and their specific tissue inhibitor metalloproteinases (TIMP) have been associated with tumor cell invasion and metastasis in a number of adult tumors. This study was carried out to detect their expression pattern in neuroblastoma and to evaluate whether they have any association with tumor progression and clinical outcome. METHODS Cryostat sections of tumor tissues were collected from 31 patients with neuroblastoma, and immunohistochemical staining of MMP-2, MMP-9 and TIMP-2 with specific antibodies was performed according to labelled streptavidin-biotin method. RESULTS MMP-2 and MMP-9 were coexpressed in neuroblastoma and exhibited an intratumor variability of staining intensity. MMP-2 and MMP-9 staining were confined mostly to the peritumoral stromal tissues rather than tumor cells and found positive in 80.6% cases and 71.0% cases, respectively. MMP-2 and MMP-9 immunoreactivity had no association with mass screened cases or with age of the patients. Increased expression of MMP-2 in stromal tissues of neuroblastoma had significant association with advanced clinical stages (chi2 test, P < .05). However, the expression of MMP-9 in neuroblastoma had no association with clinical stages and prognosis. However, TIMP-2 staining was confined mostly to the neoplastic cell cytoplasm, stromal tissue, and to the endothelial cells and accounted for 58.0% positivity. Decreased expression of TIMP-2 also had significant relationship with advanced clinical stages (chi2 test, P < .05). Kaplan-Meier survival curve showed that either increased expression of MMP-2 or decreased expression of TIMP-2 had relationship with poor clinical outcome. CONCLUSIONS In neuroblastoma, stromal tissues are actively involved in the complex interaction between MMP-2 and TIMP-2 in extracellular matrix degradation during tumor progression, and TIMP-2 expression is inversely correlated with the corresponding MMP-2. An early detection of their expression pattern by immunohistochemistry in neuroblastoma may provide prognostic informations in clinical practice.
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Affiliation(s)
- T Ara
- Department of Pediatric Surgery, Osaka University Medical School, Suita City, Japan
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34
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Abstract
Angiogenesis, the recruitment of new blood vessels, is an essential component of the metastatic pathway. These vessels provide the principal route by which tumor cells exit the primary tumor site and enter the circulation. For many tumors, the vascular density can provide a prognostic indicator of metastatic potential, with the highly vascular primary tumors having a higher incidence of metastasis than poorly vascular tumors. Tumor angiogenesis is regulated by the production of angiogenic stimulators including members of the fibroblast growth factor and vascular endothelial growth factor families. In addition, tumors may activate angiogenic inhibitors such as angiostatin and endostatin that can modulate angiogenesis both at the primary site and at downstream sites of metastasis. The potential use of these and other natural and synthetic angiogenic inhibitors as anticancer drugs is currently under intense investigation. Such agents may have reduced toxicity and be less likely to generate drug resistance than conventional cytotoxic drugs. Clinical trials are now underway to develop optimum treatment strategies for antiangiogenic agents.
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Affiliation(s)
- B R Zetter
- Children's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA.
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35
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Denis LJ, Verweij J. Matrix metalloproteinase inhibitors: present achievements and future prospects. Invest New Drugs 1997; 15:175-85. [PMID: 9387040 DOI: 10.1023/a:1005855905442] [Citation(s) in RCA: 93] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Matrix metalloproteinases (MMPs) are a class of structurally related enzymes that function in the degradation of extracellular matrix proteins that constitute the pericellular connective tissue and play an important role in both normal and pathological tissue remodelling. Increased MMP activity is detected in a wide range of cancers and seems correlated to their invasive and metastatic potential. MMPs thus seem an attractive target for both diagnostic and therapeutic purposes. Several synthetic matrix metalloproteinase inhibitors (MMPIs) are currently being developed. Preclinical studies are promising as they suggest inhibition of several steps in the metastatic process. Marimastat is the first MMPI to enter comparative phase III trials after early clinical trials established the safety profile. Clinical trials will need to be specifically designed to optimally evaluate the therapeutic potential of this novel class of cytostatic drugs. Safety studies should consider the markedly different toxicity profile and determine the range of biologically active dosage, while efficacy studies should be performed in selected clinical settings with appropriate end-points. We review the present achievements in preclinical and clinical studies with MMPIs, discuss specific considerations for appropriate study design and reflect on the future prospects of this novel class of agents.
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Affiliation(s)
- L J Denis
- Department of Medical Oncology, Rotterdam Cancer Institute (Daniel den Hoed Kliniek) and University Hospital, The Netherlands
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Parsons SL, Watson SA, Steele RJ. Phase I/II trial of batimastat, a matrix metalloproteinase inhibitor, in patients with malignant ascites. Eur J Surg Oncol 1997; 23:526-31. [PMID: 9484924 DOI: 10.1016/s0748-7983(97)93077-8] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Matrix metalloproteinases have been shown to be important in tumour invasion and metastasis, and the use of matrix metalloproteinase inhibitors in animal models has suggested that these agents may be useful in the control of malignant disease. This article reports the results of an early clinical trial of batimastat, one of the first generation of metalloproteinase inhibitors, in patients with malignant ascites. The drug was well absorbed via the intraperitoneal route and associated with few side-effects. Furthermore, a response to treatment was seen in about half the evaluable patients with advanced malignant disease. The results suggest that further research on the use of matrix metalloproteinase inhibitors in patients with malignant disease is worthwhile.
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Affiliation(s)
- S L Parsons
- Department of Surgery, University Hospital, Nottingham, UK
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Yu AE, Hewitt RE, Connor EW, Stetler-Stevenson WG. Matrix metalloproteinases. Novel targets for directed cancer therapy. Drugs Aging 1997; 11:229-44. [PMID: 9303281 DOI: 10.2165/00002512-199711030-00006] [Citation(s) in RCA: 89] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Matrix metalloproteinases (MMPs), or matrixins, are a family of zinc endopeptidases that play a key role in both physiological and pathological tissue degradation. Normally, there is a careful balance between cell division, matrix synthesis and matrix degradation, which is under the control of cytokines, growth factors and cell matrix interactions. The MMPs are involved in remodelling during tissue morphogenesis and wound healing. Under pathological conditions, this balance is altered: in arthritis, there is uncontrolled destruction of cartilage; in cancer, increased matrix turnover is thought to promote tumour cell invasion. The demonstration of a functional role of MMPs in arthritis and tumour metastasis raises the possibility of therapeutic intervention using synthetic MMP inhibitors with appropriate selectivity and pharmacokinetics. As the process of drug discovery focuses on structure-based design, efforts to resolve the 3-dimensional structures of the MMP family have intensified. Several novel MMP inhibitors have been identified and are currently being investigated in clinical trials. The structural information that is rapidly accumulating will be useful in refining the available inhibitors to selectively target specific MMP family members. In this review, we focus on the role of MMPs and their inhibitors in tumour invasion, metastasis and angiogenesis, and examine how MMPs may be targeted to prevent cancer progression.
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Affiliation(s)
- A E Yu
- Laboratory of Pathology, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
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Abstract
BACKGROUND The matrix metalloproteinases (MMPs) have a role in gastrointestinal malignancy. This role is reviewed, with particular reference to the gelatinase subgroup of enzymes. METHODS All relevant papers derived from the Medline and Enbase databases between 1984 and early 1996 were reviewed. RESULT AND CONCLUSION There is now strong evidence that MMPs play a major role in tumour invasion and metastasis. The development of MMP inhibitors may lead to important new treatment for the control of malignant disease.
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Affiliation(s)
- S L Parsons
- Department of Surgery, University Hospital, Nottingham, UK
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Abstract
The progression of a tumor cell from one of benign delimited proliferation to invasive and metastatic growth is the major cause of poor clinical outcome of cancer patients. Recent research has revealed that this complex process requires many components for successful dissemination and growth of the tumor cell at secondary sites. These include angiogenesis, enhanced extracellular matrix degradation via tumor and host-secreted proteases, tumor cell migration, and modulation of tumor cell adhesion. Each individual component is multifaceted and is discussed within this review with respect to historical and recent findings. The identification of components and their interrelationship have yielded new therapeutic targets leading to the development of agents that may prove effective in the treatment of cancer and its metastatic progression.
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Affiliation(s)
- J T Price
- Molecular Signaling Section, National Cancer Institute, Bethesda, Maryland, USA
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