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Law ME, Davis BJ, Ghilardi AF, Yaaghubi E, Dulloo ZM, Wang M, Guryanova OA, Heldermon CD, Jahn SC, Castellano RK, Law BK. Repurposing Tranexamic Acid as an Anticancer Agent. Front Pharmacol 2022; 12:792600. [PMID: 35095503 PMCID: PMC8793890 DOI: 10.3389/fphar.2021.792600] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Accepted: 11/30/2021] [Indexed: 12/29/2022] Open
Abstract
Tranexamic Acid (TA) is a clinically used antifibrinolytic agent that acts as a Lys mimetic to block binding of Plasminogen with Plasminogen activators, preventing conversion of Plasminogen to its proteolytically activated form, Plasmin. Previous studies suggested that TA may exhibit anticancer activity by blockade of extracellular Plasmin formation. Plasmin-mediated cleavage of the CDCP1 protein may increase its oncogenic functions through several downstream pathways. Results presented herein demonstrate that TA blocks Plasmin-mediated excision of the extracellular domain of the oncoprotein CDCP1. In vitro studies indicate that TA reduces the viability of a broad array of human and murine cancer cell lines, and breast tumor growth studies demonstrate that TA reduces cancer growth in vivo. Based on the ability of TA to mimic Lys and Arg, we hypothesized that TA may perturb multiple processes that involve Lys/Arg-rich protein sequences, and that TA may alter intracellular signaling pathways in addition to blocking extracellular Plasmin production. Indeed, TA-mediated suppression of tumor cell viability is associated with multiple biochemical actions, including inhibition of protein synthesis, reduced activating phosphorylation of STAT3 and S6K1, decreased expression of the MYC oncoprotein, and suppression of Lys acetylation. Further, TA inhibited uptake of Lys and Arg by cancer cells. These findings suggest that TA or TA analogs may serve as lead compounds and inspire the production of new classes of anticancer agents that function by mimicking Lys and Arg.
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Affiliation(s)
- Mary E. Law
- Department of Pharmacology and Therapeutics, University of Florida, Gainesville, FL, United States
| | - Bradley J. Davis
- Department of Pharmacology and Therapeutics, University of Florida, Gainesville, FL, United States
| | - Amanda F. Ghilardi
- Department of Chemistry, University of Florida, Gainesville, FL, United States
| | - Elham Yaaghubi
- Department of Chemistry, University of Florida, Gainesville, FL, United States
| | - Zaafir M. Dulloo
- Department of Chemistry, University of Florida, Gainesville, FL, United States
| | - Mengxiong Wang
- Department of Pharmacology and Therapeutics, University of Florida, Gainesville, FL, United States
| | - Olga A. Guryanova
- Department of Pharmacology and Therapeutics, University of Florida, Gainesville, FL, United States
- UF Health Cancer Center, University of Florida, Gainesville, FL, United States
| | - Coy D. Heldermon
- UF Health Cancer Center, University of Florida, Gainesville, FL, United States
- Department of Medicine, University of Florida, Gainesville, FL, United States
| | - Stephan C. Jahn
- Department of Pharmacology and Therapeutics, University of Florida, Gainesville, FL, United States
| | - Ronald K. Castellano
- Department of Chemistry, University of Florida, Gainesville, FL, United States
- UF Health Cancer Center, University of Florida, Gainesville, FL, United States
| | - Brian K. Law
- Department of Pharmacology and Therapeutics, University of Florida, Gainesville, FL, United States
- UF Health Cancer Center, University of Florida, Gainesville, FL, United States
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Wilder CL, Walton C, Watson V, Stewart FAA, Johnson J, Peyton SR, Payne CK, Odero-Marah V, Platt MO. Differential cathepsin responses to inhibitor-induced feedback: E-64 and cystatin C elevate active cathepsin S and suppress active cathepsin L in breast cancer cells. Int J Biochem Cell Biol 2016; 79:199-208. [PMID: 27592448 DOI: 10.1016/j.biocel.2016.08.030] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Revised: 08/12/2016] [Accepted: 08/29/2016] [Indexed: 10/21/2022]
Abstract
Cathepsins are powerful proteases, once referred to as the lysosomal cysteine proteases, that have been implicated in breast cancer invasion and metastasis, but pharmaceutical inhibitors have suffered failures in clinical trials due to adverse side effects. Scientific advancement from lysosomotropic to cell impermeable cathepsin inhibitors have improved efficacy in treating disease, but off-target effects have still been problematic, motivating a need to better understand cellular feedback and responses to treatment with cathepsin inhibitors. To address this need, we investigated effects of E-64 and cystatin C, two broad spectrum cathepsin inhibitors, on cathepsin levels intra- and extracellularly in MDA-MB-231 breast cancer cells. Cathepsins S and L had opposing responses to both E-64 and cystatin C inhibitor treatments with paradoxically elevated amounts of active cathepsin S, but decreased amounts of active cathepsin L, as determined by multiplex cathepsin zymography. This indicated cellular feedback to selectively sustain the amounts of active cathepsin S even in the presence of inhibitors with subnanomolar inhibitory constant values. These differences were identified in cellular locations of cathepsins L and S, trafficking for secretion, co-localization with endocytosed inhibitors, and longer protein turnover time for cathepsin S compared to cathepsin L. Together, this work demonstrates that previously underappreciated cellular compensation and compartmentalization mechanisms may sustain elevated amounts of some active cathepsins while diminishing others after inhibitor treatment. This can confound predictions based solely on inhibitor kinetics, and must be better understood to effectively deploy therapies and dosing strategies that target cathepsins to prevent cancer progression.
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Affiliation(s)
- Catera L Wilder
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
| | - Charlene Walton
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
| | - Valencia Watson
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
| | - Fermin A A Stewart
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
| | - Jade Johnson
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
| | - Shelly R Peyton
- Department of Chemical Engineering, University of Massachusetts Amherst, Amherst, MA 01003, USA
| | - Christine K Payne
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Valerie Odero-Marah
- Department of Biological Sciences, Clark Atlanta University, Atlanta, GA 30314, USA
| | - Manu O Platt
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA.
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Pató J, Ulbrich K, Subr V, Baker P, Mezö G, Hudecz F. Synthesis of Macromolecular Conjugates of a Urokinase Inhibitor: Amiloride. J BIOACT COMPAT POL 2016. [DOI: 10.1177/088391159901400201] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Amiloride is a potent inhibitor of a urokinase type plasminogen activator which is involved in the invasive process of cancer cells leading to the initiation of metastasis. Synthesis, characterization and in vitro tests of four macromolecular conjugates of Amiloride are presented. One of them is a degradable derivative, HPMA-Gly-D,l-Phe-Leu-Gly-amiloride. In this case the in vitro release of Amiloride was monitored. Other conjugates are stable containing a new amiloride derivative, 6-aminohexyl amiloride [AHA], coupled to different polymeric carriers: a branched polypeptide, poly-[Lys(AcGlu1.0-D,l-Ala4.5)] [AcEAK], poly-[N-(2-hydroxy propyl) metacrylamide] [HPMA] and poly-[1-vinyl-2-pyrrolidone- co-maleic acid] [NVP MA]. Inhibition of uPA, plasminogen activation and proteinases secreted by cancer cells was measured as well as basement membrane degradation in vitro. Each amiloride AHA and the corresponding conjugates retained their activity in these experiments.
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Affiliation(s)
- Janos Pató
- Chemical Institute, Chemical Research Center, Pusztaszeri u. 59-67, 1525 Budapest, Hungary
| | - Karel Ulbrich
- Institute of Macromolecular Chemistry, Heyrovsky Sq. 2, 16206 Prague 6, Czech Republic
| | - Vladimir Subr
- Institute of Macromolecular Chemistry, Heyrovsky Sq. 2, 16206 Prague 6, Czech Republic
| | - Peter Baker
- Department of Surgery, University of Birmingham, B152THBirmingham, UK
| | - Gábor Mezö
- Research Group of Peptide Chemistry, Hungarian Academy of Sciences, Eötvös L. University, Pázmány P s. 2, 1518 Budapest, Hungary
| | - Ferenc Hudecz
- Research Group of Peptide Chemistry, Hungarian Academy of Sciences, Eötvös L. University, Pázmány P s. 2, 1518 Budapest, Hungary
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4
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Hiller JG, Parat MO, Ben-Eliyahu S. The Role of Perioperative Pharmacological Adjuncts in Cancer Outcomes: Beta-Adrenergic Receptor Antagonists, NSAIDs and Anti-fibrinolytics. CURRENT ANESTHESIOLOGY REPORTS 2015. [DOI: 10.1007/s40140-015-0113-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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5
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Afsharimani B, Cabot P, Parat MO. Effect of lysine antifibrinolytics and cyclooxygenase inhibitors on the proteolytic profile of breast cancer cells interacting with macrophages or endothelial cells. Br J Anaesth 2014; 113 Suppl 1:i22-31. [DOI: 10.1093/bja/aet468] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
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6
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Lino N, Fiore L, Rapacioli M, Teruel L, Flores V, Scicolone G, Sánchez V. uPA-uPAR molecular complex is involved in cell signaling during neuronal migration and neuritogenesis. Dev Dyn 2014; 243:676-89. [PMID: 24481918 DOI: 10.1002/dvdy.24114] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2013] [Revised: 01/23/2014] [Accepted: 01/24/2014] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND In the development of the central nervous system (CNS), neuronal migration and neuritogenesis are crucial processes for establishing functional neural circuits. This relies on the regulation exerted by several signaling molecules, which play important roles in axonal growth and guidance. The urokinase-type plasminogen activator (uPA)-in association with its receptor-triggers extracellular matrix proteolysis and other cellular processes through the activation of intracellular signaling pathways. Even though the uPA-uPAR complex is well characterized in nonneuronal systems, little is known about its signaling role during CNS development. RESULTS In response to uPA, neuronal migration and neuritogenesis are promoted in a dose-dependent manner. After stimulation, uPAR interacts with α5- and β1-integrin subunits, which may constitute an αβ-heterodimer that acts as a uPA-uPAR coreceptor favoring the activation of multiple kinases. This interaction may be responsible for the uPA-promoted phosphorylation of focal adhesion kinase (FAK) and its relocation toward growth cones, triggering cytoskeletal reorganization which, in turn, induces morphological changes related to neuronal migration and neuritogenesis. CONCLUSIONS uPA has a key role during CNS development. In association with its receptor, it orchestrates both proteolytic and nonproteolytic events that govern the proper formation of neural networks.
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Affiliation(s)
- Noelia Lino
- Laboratory of Developmental Neurobiology, Institute of Cell Biology and Neurosciences "Prof. E. De Robertis" (UBA-CONICET), School of Medicine, University of Buenos Aires, Buenos Aires, Argentina
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7
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Zhao S, Gu Y, Fan R, Groome LJ, Cooper D, Wang Y. Proteases and sFlt-1 release in the human placenta. Placenta 2010; 31:512-8. [PMID: 20434767 DOI: 10.1016/j.placenta.2010.03.014] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2009] [Revised: 03/19/2010] [Accepted: 03/30/2010] [Indexed: 10/19/2022]
Abstract
Increased placental release of soluble VEGF receptor-1 (sFlt-1) is believed to play an important role in the pathogenesis of preeclampsia (PE). Although the reason for increased placental sFlt-1 release in PE is unknown, proteolytic effect has been proposed as one of the mechanisms that mediate sFlt-1 release in the placenta. In this study, using various protease inhibitors, we tested the possible role of proteases in sFlt-1 release by human placenta. Villous explants from normal term placentas were incubated with various protease inhibitors including serine protease inhibitors (PMSF, aprotini, and specific chymotrypsin inhibitor (CI)), cysteine protease inhibitor E-64, metalloendopeptidase inhibitor PAD, and universal metalloprotease (ADAM) inhibitor PTM. Culture medium was collected and measured for sFlt-1 by ELISA. Our results showed that villous tissue treated with CI and PTM produced significantly less sFlt-1 than those of controls. PMSF, aprotini, E-64, and PAD had no effect on sFlt-1 release. We further examined chymotrypsin-like protease/chymase and ADAM10 expressions in tissue sections from normal and PE placentas by immunohistochemistry. We found that immunostaining for chymase and ADAM10 was significantly increased in the layer of syncytiotrophoblasts in PE placentas compared to normal placentas. These results suggest chymotrypsin-like serine protease and ADAM10, but not cysteine protease and metalloendopeptidase, may play a role in inducing sFlt-1 release in PE placentas.
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Affiliation(s)
- S Zhao
- Department of Obstetrics and Gynecology, Louisiana State University Health Sciences Center, Shreveport, LA 71130, USA
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8
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Suojanen J, Sorsa T, Salo T. Tranexamic acid can inhibit tongue squamous cell carcinoma invasionin vitro. Oral Dis 2009; 15:170-5. [DOI: 10.1111/j.1601-0825.2008.01507.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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9
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Colella R, Jackson T, Goodwyn E. Matrigel invasion by the prostate cancer cell lines, PC3 and DU145, and cathepsin L+B activity. Biotech Histochem 2005; 79:121-7. [PMID: 15621884 DOI: 10.1080/10520290400010572] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
Abstract
Cathepsins L and B are lysosomal cysteine proteinases whose activities and cellular location are altered in many types of cancers and cancer cell lines. Cathepsins L and B play an unspecified role in cancer invasion and metastasis. The purpose of our study was to determine whether cathepsins L and B are important for the ability of two prostate cancer cell lines, PC3 and DU 145, to invade the basement membrane-like preparation, Matrigel. Exposure of PC3 and DU145 to the irreversible cysteine proteinase inhibitor, E64, decreases the invasive ability of DU145, but not PC3. PC3 and DU145 were treated with the phorbol ester analogue, phorbol 12-myristate 13-acetate (PMA), a known tumor promoter that activates protein kinase C and contributes to the metastatic phenotype. PMA increased secreted cathepsin L+B activity and the invasive ability of PC3 and DU145; co-exposure to E64 and PMA decreased both cathepsin L+B activity and invasion. We conclude that DU145 requires cathepsin L+B activity more than PC3 for the invasion of the Matrigel. When the amount of secreted cathepsin L+B activity is increased by PMA treatment, however, PC3 becomes dependent on cathepsin L+B for invasion. Our study demonstrates that modulation of the amount of secreted cathepsin L+B activity influences the invasive phenotype of PC3 and DU145.
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Affiliation(s)
- R Colella
- Department of Anatomical Sciences and Neurobiology, University of Louisville School of Medicine, Louisville, Kentucky 40292, USA.
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10
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Vaporciyan AA, Putnam JB, Smythe WR. The potential role of aprotinin in the perioperative management of malignant tumors. J Am Coll Surg 2004; 198:266-78. [PMID: 14759785 DOI: 10.1016/j.jamcollsurg.2003.09.022] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2003] [Revised: 09/10/2003] [Accepted: 09/16/2003] [Indexed: 11/19/2022]
Affiliation(s)
- Ara A Vaporciyan
- Department of Thoracic and Cardiovascular Surgery, The University of Texas M.D. Anderson Cancer Center, 1515 Holcombe Boulevard, Box 445, Houston, TX 77030, USA
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11
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Colella R, Goodwyn E, Gopal P. Increased cell density decreases cysteine proteinase inhibitor activity and increases invasive ability of two prostate tumor cell lines. Cancer Lett 2002; 185:163-72. [PMID: 12169390 DOI: 10.1016/s0304-3835(02)00275-6] [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] [Indexed: 10/27/2022]
Abstract
The ability of a cancer cell to metastasis to a distant site is partly dependent on the secretion of matrix degrading enzymes. The lysosomal cysteine proteinases, cathepsins B and L, have been shown to be secreted by a number of cancer cells and have been implicated in metastasis. Cathepsins B and L are regulated by a class of inhibitors known as the cystatins; aberrant cystatin activity has also been shown in a number of cancer cells. Two prostate cancer cell lines, PC3 and DU145, and a normal prostate epithelial cell (NPC) culture were used to determine the importance of cathepsins L+B and cysteine proteinase inhibitor (CPI) activity in the ability of each cell line to invade the reconstituted basement membrane, Matrigel. Cathepsin L+B and CPI activities were evident in the cell extract and conditioned media of PC3, DU145 and NPC; however, only the cancer cell lines PC3 and DU145 exhibited invasive ability. Invasive ability was partially inhibited following exposure of PC3 and DU145 cells to the CPI, E-64. Since environmental factors such as cell-cell interactions are responsible for mediating the expression of a number of genes involved in metastasis, the effects of cell density on cathepsin and CPI activities and invasive ability were also determined. CPI activity decreased and invasive ability increased with increasing cell density. We conclude that cathepsin L+B plays a significant role in the invasive ability of the two prostate cancer cell lines, PC3 and DU145. This may be due to decreased regulation by endogenous CPIs whose activity diminishes at high cell densities.
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Affiliation(s)
- Rita Colella
- Department of Anatomical Sciences and Neurobiology, University of Louisville School of Medicine, Louisville, KY 40292, USA.
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O-Charoenrat P, Rhys-Evans P, Eccles S. A synthetic matrix metalloproteinase inhibitor prevents squamous carcinoma cell proliferation by interfering with epidermal growth factor receptor autocrine loops. Int J Cancer 2002; 100:527-33. [PMID: 12124801 DOI: 10.1002/ijc.10531] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Head and neck squamous cell carcinoma (HNSCC) is characterized by its capacity to invade adjacent tissues and to metastasize locoregionally. Evidence suggests that matrix metalloproteinases (MMPs) may play a causal role in HNSCC progression. While evaluating the role of MMPs in the invasion process, we made the surprising observation that a broad-spectrum MMP inhibitor, (marimastat, BB2516), inhibited the growth in vitro of some HNSCC cell lines. This inhibitory effect was only found in HNSCC cell lines overexpressing epidermal growth factor receptors. The effects of the MMP inhibitor could be reversed by adding exogenous c-erbB ligands, suggesting that the phenomenon may be related to autocrine ligand processing. This hypothesis was supported by the finding that the growth-inhibitory effect of marimastat was directly related to its ability to prevent the release of major c-erbB ligands including transforming growth factor-alpha, betacellulin and heregulin beta1 from HNSCC. Marimastat was also found to potentiate the cytotoxic effects of cisplatin both in vitro and in vivo. Our results indicate that the cleavage of several c-erbB ligands from membrane-anchored precursors requires MMP activity. We conclude that MMP inhibitors could prevent tumor progression not only by inhibiting invasion and angiogenesis, as previously shown, but also by their ability to inhibit autocrine signaling through the c-erbB receptors. Clinical trials to test this hypothesis in HNSCC should be considered.
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Affiliation(s)
- Pornchai O-Charoenrat
- Division of Head and Neck Surgery, Department of Surgery, Siriraj Hospital Medical School, Bangkok, Thailand.
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13
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Andronicos NM, Ranson M. The topology of plasminogen binding and activation on the surface of human breast cancer cells. Br J Cancer 2001; 85:909-16. [PMID: 11556845 PMCID: PMC2375062 DOI: 10.1054/bjoc.2001.2022] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
Abstract
The urokinase-dependent activation of plasminogen by breast cancer cells plays an important role in metastasis. We have previously shown that the metastatic breast cancer cell line MDA-MB-231 over-expresses urokinase and binds and efficiently activates plasminogen at the cell surface compared to non-metastatic cells. The aim of this study was to further characterise plasminogen binding and determine the topology of cell surface-bound plasminogen in terms of its potential for activation. The lysine-dependent binding of plasminogen at 4 degrees C to MDA-MB-231 cells was stable and resulted in an activation-susceptible conformation of plasminogen. Topologically, a fraction of bound plasminogen was co-localised with urokinase on the surfaces of MDA-MB-231 cells where it could be activated to plasmin. At 37 degrees C plasmin was rapidly lost from the cell surface. Apart from actin, other candidate plasminogen receptors were either not expressed or did not co-localise with plasminogen at the cell surface. Thus, based on co-localisation with urokinase, plasminogen binding is partitioned into two functional pools on the surface of MDA-MB-231 cells. In conclusion, these results shed further light on the functional organisation of the plasminogen activation cascade on the surface of a metastatic cancer cell.
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Affiliation(s)
- N M Andronicos
- Department of Biological Sciences, University of Wollongong, NSW Australia, 2522
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14
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Bjørnland K, Rugnes E, Pettersen S, Johansen HT, Aasen AO, Fodstad Ø, Ree AH, Maelandsmo GM. Expression of matrix metalloproteinases and the metastasis-associated gene S100A4 in human neuroblastoma and primitive neuroectodermal tumor cells. J Pediatr Surg 2001; 36:1040-4. [PMID: 11431772 DOI: 10.1053/jpsu.2001.24735] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND Matrix metalloproteinases (MMPs) and their endogenous inhibitors (tissue inhibitors of MMPs; TIMPs) have been shown to correlate with in vitro invasiveness and clinical outcome in several adult malignancies. The importance of MMP and TIMP expression in neuroblastoma (NB) and primitive neuroectodermal tumors (PNET) is incompletely understood. The aim of the current study was to relate in vitro invasion of NB and PNET cell lines with MMP and TIMP expression and evaluate the effect of a synthetic MMP inhibitor. Furthermore, S100A4 levels were determined because recent reports have suggested a possible association between MMPs, TIMPs, and the metastasis-associated gene S100A4. METHODS Expression of MMPs, TIMPs, and S100A4 was evaluated at both mRNA and protein levels in 2 human NB and 2 PNET cell lines. In vitro invasion and effects of the synthetic MMP inhibitor Marimastat were assessed in the Transwell chamber assay. RESULTS The most invasive cells expressed the highest levels of MMPs and S100A4. Marimastat reduced invasion by 30%. CONCLUSIONS In vitro invasion correlated with MMP and S100A4 expression. The fact that Marimastat reduced in vitro invasion is encouraging for further studies on a possible therapeutic application for proteinase inhibitors.
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Affiliation(s)
- K Bjørnland
- Institute for Surgical Research and the Department of Pediatric Surgery, The National Hospital, Oslo, Norway
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15
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Balduyck M, Zerimech F, Gouyer V, Lemaire R, Hemon B, Grard G, Thiebaut C, Lemaire V, Dacquembronne E, Duhem T, Lebrun A, Dejonghe MJ, Huet G. Specific expression of matrix metalloproteinases 1, 3, 9 and 13 associated with invasiveness of breast cancer cells in vitro. Clin Exp Metastasis 2001; 18:171-8. [PMID: 11235993 DOI: 10.1023/a:1006762425323] [Citation(s) in RCA: 81] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Several matrix metalloproteinases (MMPs) and tissue inhibitors of MMPs (TIMPs) were studied in highly invasive (MDA-MB-231) and slightly invasive (MCF-7, T47D, BT-20) breast cancer cell lines. Investigations were carried out at the protein level and/or at the mRNA level, either in cells cultured as monolayers on plastic, or in cells seeded on a thin layer of Matrigel basement membrane matrix. Analysis of MMP expression by RT-PCR showed expression of MMP-1. MMP-3, and MMP-13 in highly invasive MDA-MB-231 cells, but not in slightly invasive cell lines. The extracellular secretion of MMP-1 and MMP-3 by MDA-MB 231 cells could be also shown by ELISA. TIMP-1 and TIMP-2 mRNAs were found in all cell lines, however, the extracellular secretion of both TIMPs was much higher in MDA-MB-231 cells than in the other cell lines. When the cells were cultured on Matrigel matrix, MMP-9 expression was induced in MDA-MB-231 cells only, as assessed by RT-PCR and zymography experiments. The invasive potential of MDA-MB-231 cells evaluated in vitro through Matrigel was significantly inhibited by the MMP inhibitor BB-2516, by 25% and 50% at the concentrations of 2 x 10(-6) M and 10(-5) M, respectively. In conclusion, our data show that highly invasive MDA-MB-231 cells but not slightly invasive T47D, MCF-7 and BT-20 cells express MMP-1, MMP-3, MMP-9 and MMP-13. MMP-9 which is specifically up-regulated by cell contact to Matrigel, may play a key role in the invasiveness of MDA-MB-231 cells through basement membranes.
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Affiliation(s)
- M Balduyck
- Laboratoire de Biochimie, H pital Claude Huriez, Lille, France
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16
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Rabbani SA, Mazar AP. The Role of the Plasminogen Activation System in Angiogenesis and Metastasis. Surg Oncol Clin N Am 2001. [DOI: 10.1016/s1055-3207(18)30072-3] [Citation(s) in RCA: 64] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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17
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Tang H, Fu WY, Ip NY. Altered expression of tissue-type plasminogen activator and type 1 inhibitor in astrocytes of mouse cortex following scratch injury in culture. Neurosci Lett 2000; 285:143-6. [PMID: 10793247 DOI: 10.1016/s0304-3940(00)00998-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The expression of plasminogen and plasminogen activators (PG/PAs) in reactive astrocytes was examined following scratch injury. In response to injury, casein-degrading activity could be observed around astrocytes. The protein expression of tissue-type plasminogen activator (tPA) was up-regulated, while the free form of urokinase-type plasminogen activator (uPA) was not detected. Consistent with these findings, results obtained with zymograph assay also revealed that tPA activity, but not uPA activity, was up-regulated. Moreover, the addition of 6-amino-caproitic acid (EACA) to casein-covered astrocytes significantly prevented the recovery of the injured astrocytes in a dose-dependent manner. Taken together, our data demonstrate that the expression of PG/PAs in cultured astrocytes is regulated following injury, suggesting that caseinolytic activity is an essential component during the process of astrocyte recovery.
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Affiliation(s)
- H Tang
- Shanghai Research Center of Life Sciences and Institute of Neuroscience, Chinese Academy of Sciences, Shanghai, China
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Lacroix M, Marie PJ, Body JJ. Protein production by osteoblasts: modulation by breast cancer cell-derived factors. Breast Cancer Res Treat 2000; 61:59-67. [PMID: 10930090 DOI: 10.1023/a:1006408916224] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Breast cancer cells (BCC) frequently metastasize to bone where they may cause tumor-induced osteolysis (TIO). While the important eroding role of the osteoclasts in TIO is well admitted, the possibility that BCC and/or osteoblasts activated by tumoral factors could also directly degrade bone matrix in this pathology has been much less investigated. We show here that the net collagen amount produced in vitro by normal human osteoblasts and osteoblast-like cells was significantly reduced by culture medium conditioned by several BCC lines, including three newly isolated ones. There was no evidence for a decrease in collagen synthesis, as assessed by the production of the carboxyterminal propeptide of type I collagen. In contrast, the effect of BCC-derived medium on collagen amount was attenuated by inhibitors of matrix metalloproteinases (MMPs) as well as by tranexamic acid, an inhibitor of the plasminogen conversion to plasmin, while it was abolished in presence of the two kinds of proteinase inhibitors. This osteoblastic protein degradation activity appeared to be attributable to factors secreted by the osteoblasts as well as by BCC. These factors had molecular weights lower as well as higher than 10 kD. Our data suggest that besides the eroding action of osteoclasts, BCC- and osteoblast-derived MMPs and serine proteinases might play a direct role in bone collagen degradation in TIO.
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Affiliation(s)
- M Lacroix
- Laboratoire d'Investigation Clinique et d'Oncologie Expérimentale H.J. Tagnon, Institut Jules Bordet, Université Libre de Bruxelles, Brussels, Belgium
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19
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Werle B, Lötterle H, Schanzenbächer U, Lah TT, Kalman E, Kayser K, Bülzebruck H, Schirren J, Krasovec M, Kos J, Spiess E. Immunochemical analysis of cathepsin B in lung tumours: an independent prognostic factor for squamous cell carcinoma patients. Br J Cancer 1999; 81:510-9. [PMID: 10507778 PMCID: PMC2362911 DOI: 10.1038/sj.bjc.6690723] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
In order to evaluate the possible role of the proteolytic enzyme cathepsin B (cath B) in human non-small cell lung cancer (NSCLC) we examined cath B concentrations (cath B(C)) and activities (cath B(A)) in homogenates of 127 pairs of lung tumour tissues and corresponding non-tumourous lung parenchyma. Total cath B activity (cath B(AT)) and enzymatic activity of the fraction of cath B, which is stable and active at pH 7.5 (cath B(A7.5)) were determined by a fluorogenic assay using synthetic substrate Z-Arg-Arg-AMC. The immunostaining pattern of cath B was determined in 239 lung tumour tissue sections, showing the presence of the enzyme in tumour cells (cath B(T-I)) and in tumour-associated histiocytes (cath B(H-I)). The median levels of cath B(AT), cath B(A7.5) and cath B(C) were 5.6-, 3.2- and 9.1-fold higher (P < 0.001), respectively, in tumour tissue than in non-tumourous lung parenchyma. Out of 131 tissue sections from patients with squamous cell carcinoma (SCC), 59.5% immunostained positively for cath B, while among the 108 adenocarcinoma (AC) patients 48.2% of tumours showed a positive reaction. There was a strong relationship between the levels of cath B(AT), cath B(A7.5), cath B(C) and cath B(T-I) in the primary tumours and the presence of lymph node metastases. Significant correlation with overall survival was observed for cath B(T-I) and cath B(A7.5) (P < 0.01 and P < 0.05, respectively) in patients suffering from SCC. In these patients positive cath B in tumour cells (cath B(T-I)) and negative cath B in histiocytes (cath B(H-I)) indicated significantly shorter survival rate compared with patients with negative cath B(T-I) and positive cath B(H-I) (P < 0.0001). In contrast, in AC patients, both, positive cath B(T-I) and positive cath B(H-I), indicated poor survival probability (P < 0.014). From these results we conclude that the proteolytic enzyme cath B is an independent prognostic factor for overall survival of patients suffering from SCC of the lung.
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Affiliation(s)
- B Werle
- Thoraxklinik Heidelberg-Rohrbach, Abteilung für Klinische Chemie und Bakteriologie, Heidelberg, Germany
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20
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Abstract
Proteolysis occurs when proteinase activity exceeds inhibitor activity. Proteolysis is normally tightly regulated and is involved in cancer invasion and metastasis. The aim of this study was to compare proteolysis in breast and colorectal cancer. Proteinase and inhibitor expression were analysed in paired tumour and normal tissue samples from 43 breast and 24 colorectal cancer patients using substrate zymography, Western blotting and quenched fluorescence substrate hydrolysis. The expression of the latent forms of matrix metalloproteinase-2 (MMP-2), MMP-3 and MMP-9, urokinase plasminogen activator (uPA), tissue inhibitor of metalloproteinase-1 (TIMP-1) and TIMP-2 expression were observed in both tumour and normal tissue samples from breast and colorectal tissue; however, expression was greater in the tumour tissue. Expression of active MMP-2 and MMP-9 and the total MMP activity were greater in tumour compared to normal samples in both tissues (P < 0.05). The expression of all proteinases and total MMP activity was greater in colorectal tissue than breast tissue samples. Breast and colorectal cancer demonstrated different proteinase profiles, however proteolysis in both tissues was greater in tumour tissue than normal tissue.
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Affiliation(s)
- E A Garbett
- Professional Unit of Surgery, North Tees General Hospital, Stockton-on-Tees, UK
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21
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The Urokinase Plasminogen Activation System in Breast Cancer. Breast Cancer 1999. [DOI: 10.1007/978-1-59259-456-6_15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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22
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Intraoperativelym-administered aprotinin and survival after elective liver resection for colorectal cancer metastasis A preliminary study. ACTA ACUST UNITED AC 1999. [DOI: 10.1016/s0268-9499(99)90015-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Kelly T, Yan Y, Osborne RL, Athota AB, Rozypal TL, Colclasure JC, Chu WS. Proteolysis of extracellular matrix by invadopodia facilitates human breast cancer cell invasion and is mediated by matrix metalloproteinases. Clin Exp Metastasis 1998; 16:501-12. [PMID: 9872598 DOI: 10.1023/a:1006538200886] [Citation(s) in RCA: 61] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Breast cancer cell lines vary in invasive behavior and one highly invasive cell line (MDA-MB-231) proteolytically degrades extracellular matrix with invadopodia (Thompson et al. 1992, J Cell Physiol, 150, 534-44; Chen et al 1994, Breast Cancer Res Treat, 31, 217-26). Invadopodial proteolysis of extracellular matrix is thought to be necessary for invasion; however, this has not been demonstrated directly. To obtain such evidence, normal (HBL-100) and malignant (MCF-7, MDA-MB-231) breast cells were evaluated for invadopodial proteolysis of extracellular matrix and invasive behavior. We report that invadopodial proteolysis of immobilized fibronectin is positively correlated with invasion of cells into type I collagen gels. Moreover, reducing the proteolytic activity of invadopodia with the metalloproteinase inhibitor, batimastat (BB-94), also decreases invasion indicating that breast cancer cell invasion is dependent upon proteolytically active invadopodia.
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Affiliation(s)
- T Kelly
- Department of Pathology, Arkansas Cancer Research Center, University of Arkansas for Medical Sciences, Little Rock 72205-7199, USA.
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24
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Delannoy-Courdent A, Mattot V, Fafeur V, Fauquette W, Pollet I, Calmels T, Vercamer C, Boilly B, Vandenbunder B, Desbiens X. The expression of an Ets1 transcription factor lacking its activation domain decreases uPA proteolytic activity and cell motility, and impairs normal tubulogenesis and cancerous scattering in mammary epithelial cells. J Cell Sci 1998; 111 ( Pt 11):1521-34. [PMID: 9580560 DOI: 10.1242/jcs.111.11.1521] [Citation(s) in RCA: 50] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Cell migration and invasion play a crucial role during normal and pathological development. The expression of several members of the Ets family of transcription factors has been shown to correlate with the occurrence of these processes. In the present study, we investigated the effect of the expression of Ets1-DB, the DNA-binding domain of c-Ets1, on the functional properties of NMuMG and MMT epithelial cell lines, from normal and cancerous mouse mammary tissues, respectively. We found that stable expression of this Ets1-DB mutant inhibited, in both cell types, the gene expression and activity of urokinase type-plasminogen activator (uPA), a potential target of c-Ets1. uPA is a key serine proteinase in the proteolytic cascade leading to the degradation of the extracellular matrix. In two-dimensional cultures, expression of the Ets1-DB mutant resulted in a decrease in cell migration and invasion in both cell lines. In three-dimensional collagen gels, NMuMG cells underwent tubular morphogenesis, while MMT cells developed as scattered structures. The Ets1-DB mutant impaired the capacity of NMuMG cells to form tubules and reduced the ability of MMT cells to invade these gels. Similar inhibition of cell migration, invasion and morphogenesis were observed in non-infected NMuMG and MMT cell lines treated with aprotinin, a serine proteinase inhibitor, suggesting that the inhibition of the plasmin cascade mediates in part the biological effects induced by the Ets1-DB mutant. These results demonstrate that Ets family members are involved in the control of uPA activity, cell motility and invasion during normal tubular morphogenesis and cancerous scattering in mammary epithelial cells.
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Affiliation(s)
- A Delannoy-Courdent
- Centre de Biologie Cellulaire, Unité Dynamique des Cellules Embryonnaires et Cancéreuses, Bâtiment SN 3, Université des Sciences et Technologies de Lille I, France.
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25
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Ranson M, Andronicos NM, O'Mullane MJ, Baker MS. Increased plasminogen binding is associated with metastatic breast cancer cells: differential expression of plasminogen binding proteins. Br J Cancer 1998; 77:1586-97. [PMID: 9635833 PMCID: PMC2150080 DOI: 10.1038/bjc.1998.261] [Citation(s) in RCA: 48] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Overexpression of urokinase-type plasminogen activator and its receptor correlates with metastatic capacity in breast cancer. In this study we show that the urokinase/urokinase receptor-overexpressing, metastatic human breast cancer cell line MDA-MB-231 (1) bound significantly more cell-surface plasminogen in a lysine-dependent manner and (2) was capable of generating large amounts of plasmin compared with the non-metastatic cell lines MCF-7 and T-47D. In addition, distinct plasminogen binding proteins were detected in the plasma membranes of the cell lines, suggesting heterogeneity of binding proteins. Plasminogen binding was analysed using a combination of dual-colour fluorescence flow cytometry and ligand histochemistry (for comparative and cellular localization of ligand binding), and fluorimetry (for Scatchard analysis). Apart from revealing the greater plasminogen binding capacity of MDA-MB-231 cells, flow cytometry and histochemistry also revealed that, in all three cell lines, non-viable or permeabilized cells bound significantly more plasminogen in a lysine-dependent manner than viable or non-permeabilized cells. Viable MDA-MB-231 cells bound plasminogen with moderate affinity and high capacity (Kd = 1.8 microM, receptor sites per cell 5.0 x 10(7). Our results indicate that differences in cell surface-specific plasminogen binding capacity between cell lines may not be detectable with binding techniques that cannot distinguish between viable and non-viable cells.
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Affiliation(s)
- M Ranson
- Department of Biological Sciences, University of Wollongong, NSW Australia
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