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Gamal H, Ismail KA, Omar AMME, Teleb M, Abu-Serie MM, Huang S, Abdelsattar AS, Zamponi GW, Fahmy H. Non-small cell lung cancer sensitisation to platinum chemotherapy via new thiazole-triazole hybrids acting as dual T-type CCB/MMP-9 inhibitors. J Enzyme Inhib Med Chem 2024; 39:2388209. [PMID: 39140776 PMCID: PMC11328607 DOI: 10.1080/14756366.2024.2388209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Revised: 07/16/2024] [Accepted: 07/30/2024] [Indexed: 08/15/2024] Open
Abstract
Cisplatin remains the unchallenged standard therapy for NSCLC. However, it is not completely curative due to drug resistance and oxidative stress-induced toxicity. Drug resistance is linked to overexpression of matrix metalloproteinases (MMPs) and aberrant calcium signalling. We report synthesis of novel thiazole-triazole hybrids as MMP-9 inhibitors with T-type calcium channel blocking and antioxidant effects to sensitise NSCLC to cisplatin and ameliorate its toxicity. MTT and whole cell patch clamp assays revealed that 6d has a balanced profile of cytotoxicity (IC50 = 21 ± 1 nM, SI = 12.14) and T-type calcium channel blocking activity (⁓60% at 10 μM). It exhibited moderate ROS scavenging activity and nanomolar MMP-9 inhibition (IC50 = 90 ± 7 nM) surpassing NNGH with MMP-9 over -2 and MMP-10 over -13 selectivity. Docking and MDs simulated its receptor binding mode. Combination studies confirmed that 6d synergized with cisplatin (CI = 0.69 ± 0.05) lowering its IC50 by 6.89 folds. Overall, the study introduces potential lead adjuvants for NSCLC platinum-based therapy.
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Affiliation(s)
- Hassan Gamal
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Khadiga A Ismail
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
- Faculty of Pharmacy, Alamein International University (AIU), Alamein City, Egypt
| | - A-Mohsen M E Omar
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Mohamed Teleb
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Marwa M Abu-Serie
- Department of Medical Biotechnology, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technological Applications (SRTA-City), Egypt
| | - Sun Huang
- Department of Clinical Neurosciences, Hotchkiss Brain Institute, University of Calgary, Calgary, Canada
| | - Abdalla S Abdelsattar
- Center for Microbiology and Phage Therapy, Zewail City of Sciences and Technology, October Gardens, Giza, Egypt
| | - Gerald W Zamponi
- Department of Clinical Neurosciences, Hotchkiss Brain Institute, University of Calgary, Calgary, Canada
| | - Hesham Fahmy
- Department of Pharmaceutical Sciences, College of Pharmacy and Allied Health Professions, South Dakota State University, Brookings, SD, USA
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Patras L, Paul D, Matei IR. Weaving the nest: extracellular matrix roles in pre-metastatic niche formation. Front Oncol 2023; 13:1163786. [PMID: 37350937 PMCID: PMC10282420 DOI: 10.3389/fonc.2023.1163786] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Accepted: 05/15/2023] [Indexed: 06/24/2023] Open
Abstract
The discovery that primary tumors condition distant organ sites of future metastasis for seeding by disseminating tumor cells through a process described as the pre-metastatic niche (PMN) formation revolutionized our understanding of cancer progression and opened new avenues for therapeutic interventions. Given the inherent inefficiency of metastasis, PMN generation is crucial to ensure the survival of rare tumor cells in the otherwise hostile environments of metastatic organs. Early on, it was recognized that preparing the "soil" of the distal organ to support the outgrowth of metastatic cells is the initiating event in PMN development, achieved through the remodeling of the organ's extracellular matrix (ECM). Remote restructuring of ECM at future sites of metastasis under the influence of primary tumor-secreted factors is an iterative process orchestrated through the crosstalk between resident stromal cells, such as fibroblasts, epithelial and endothelial cells, and recruited innate immune cells. In this review, we will explore the ECM changes, cellular effectors, and the mechanisms of ECM remodeling throughout PMN progression, as well as its impact on shaping the PMN and ultimately promoting metastasis. Moreover, we highlight the clinical and translational implications of PMN ECM changes and opportunities for therapeutically targeting the ECM to hinder PMN formation.
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Affiliation(s)
- Laura Patras
- Children’s Cancer and Blood Foundation Laboratories, Department of Pediatrics, Division of Hematology/Oncology, Drukier Institute for Children’s Health, Meyer Cancer Center, Weill Cornell Medicine, New York, NY, United States
- Department of Molecular Biology and Biotechnology, Center of Systems Biology, Biodiversity and Bioresources, Faculty of Biology and Geology, Babes-Bolyai University, Cluj-Napoca, Romania
| | - Doru Paul
- Division of Hematology/Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, United States
| | - Irina R. Matei
- Children’s Cancer and Blood Foundation Laboratories, Department of Pediatrics, Division of Hematology/Oncology, Drukier Institute for Children’s Health, Meyer Cancer Center, Weill Cornell Medicine, New York, NY, United States
- Department of Molecular Biology and Biotechnology, Center of Systems Biology, Biodiversity and Bioresources, Faculty of Biology and Geology, Babes-Bolyai University, Cluj-Napoca, Romania
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Berndt A, Gaßler N, Franz M. Invasion-Associated Reorganization of Laminin 332 in Oral Squamous Cell Carcinomas: The Role of the Laminin γ2 Chain in Tumor Biology, Diagnosis, and Therapy. Cancers (Basel) 2022; 14:cancers14194903. [PMID: 36230826 PMCID: PMC9564360 DOI: 10.3390/cancers14194903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 09/30/2022] [Accepted: 10/03/2022] [Indexed: 11/23/2022] Open
Abstract
Simple Summary The destructive growth of carcinomas is associated with crossing the border between the epithelial and the connective tissue parts of an organ. One component of this borderline, the basement membrane, is the heterotrimeric laminin 332, which mediates the adhesion of basal epithelial cells. This protein, in particular its gamma 2 chain, is fundamentally reorganized during tumor cell invasion. Specific deposition patterns of laminin 332 are also present in oral squamous cell carcinomas and have been shown to be of high diagnostic and predictive value. Furthermore, laminin 332 restructuring is associated with important tumor biological processes, e.g., stromal activation, the development of a motile phenotype, and tumor spreading. In this review, current knowledge in the field is summarized and the recommendation to consider laminin 332 as a promising grading and monitoring parameter and as a potential therapeutic target is discussed. Abstract Invasion of the connective tissue by carcinoma cells is accompanied by disintegration and reorganization of the hemidesmosomes, which connect the basement membrane to the basal epithelial cells. In terms of mediating the basement membrane, i.e., basal cell interactions, the heterotrimeric laminin 332 is the most important bridging molecule. Due to this distinct function, laminin 332, especially its gamma 2 chain, came into the focus of cancer research. Specific de novo synthesis and deposition patterns of laminin 332 are evident upon development and progression of oral squamous cell carcinomas (OSCCs). Loss from the basement membrane, cytoplasmic accumulation, and extracellular deposition are associated with crucial processes such as stromal activation and immune response, epithelial to mesenchymal transition, and tumor cell budding. In networks with components of the tumor microenvironment, altered expression of laminin 332 chains, proteolytic processing, and interaction with integrin receptors seem to promote cancer cell migration. Indeed, reorganization patterns are shown to have a high diagnostic and prognostic value. Here, we summarize the current knowledge on laminin 332 reorganization in OSCCs with special focus on its gamma 2 chain and provide, based on the current literature, evidence on its promising role as a grading and monitoring parameter and as a potential therapeutic target.
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Affiliation(s)
- Alexander Berndt
- Section Pathology, Institute of Legal Medicine, University Hospital Jena, 07747 Jena, Germany
- Correspondence: ; Tel.: +49-3641-939-70-61
| | - Nikolaus Gaßler
- Section Pathology, Institute of Legal Medicine, University Hospital Jena, 07747 Jena, Germany
| | - Marcus Franz
- Department of Internal Medicine I, University Hospital Jena, 07747 Jena, Germany
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Carter LE, Bugiel S, Nunnikhoven A, Verster AJ, Bondy GS, Curran IHA. Genomic analysis of Fisher F344 rat kidneys from a reproductive study following dietary ochratoxin A exposure. Food Chem Toxicol 2022; 167:113302. [PMID: 35843423 DOI: 10.1016/j.fct.2022.113302] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 07/07/2022] [Accepted: 07/11/2022] [Indexed: 11/30/2022]
Abstract
Ochratoxin A (OTA) is a mycotoxin produced by species of Penicillium and Aspergillus, and is found in many commodities including cereal grains, nuts, and coffee. OTA is a renal carcinogen and nephrotoxin at high concentrations, targeting the proximal tubules. This study uses transcriptomics and the previously reported apical data (Bondy et al., 2021) to infer mode-of-action of OTA toxicity in male and female rats exposed to low doses of OTA in utero and throughout development. Our findings support a male-specific activation of the innate and adaptive immune responses in F1 pups to OTA exposure. This was not found in the female F1 pups, and may be due to female-specific increased p38 activity and VDR signaling. Differentially expressed genes related to karyomegaly, MAPK activity, and immune activation appears to develop from in utero exposure to OTA whereas those related to decreased kidney and liver function, and changes to reproductive pathways occur in both rat generations. Together, these transcriptional results confirm that dietary exposure to OTA causes renal toxicity as well as alterations to hepatic and reproductive pathways in rats. In utero exposure of rats to OTA results in sex-specific alterations in immune response pathways, VDR signaling, and p38 activity.
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Affiliation(s)
- L E Carter
- Bureau of Chemical Safety, Food Directorate, Health Products and Food Branch, Health Canada, Ottawa, Ontario, K1A 0K9, Canada.
| | - S Bugiel
- Bureau of Chemical Safety, Food Directorate, Health Products and Food Branch, Health Canada, Ottawa, Ontario, K1A 0K9, Canada
| | - A Nunnikhoven
- Bureau of Chemical Safety, Food Directorate, Health Products and Food Branch, Health Canada, Ottawa, Ontario, K1A 0K9, Canada
| | - A J Verster
- Bureau of Food Surveillance and Science Integration, Food Directorate, Health Products and Food Branch, Health Canada, Ottawa, Ontario, K1A 0K9, Canada
| | - G S Bondy
- Bureau of Chemical Safety, Food Directorate, Health Products and Food Branch, Health Canada, Ottawa, Ontario, K1A 0K9, Canada
| | - I H A Curran
- Bureau of Chemical Safety, Food Directorate, Health Products and Food Branch, Health Canada, Ottawa, Ontario, K1A 0K9, Canada
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Malone ET, Ganther S, Mena N, Radaic A, Shariati K, Kindberg A, Tafolla C, Kamarajan P, Fenno JC, Zhan L, Kapila YL. Treponema denticola-Induced RASA4 Upregulation Mediates Cytoskeletal Dysfunction and MMP-2 Activity in Periodontal Fibroblasts. Front Cell Infect Microbiol 2021; 11:671968. [PMID: 34094999 PMCID: PMC8171266 DOI: 10.3389/fcimb.2021.671968] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 04/26/2021] [Indexed: 12/16/2022] Open
Abstract
The periodontal complex consists of the periodontal ligament (PDL), alveolar bone, and cementum, which work together to turn mechanical load into biological responses that are responsible for maintaining a homeostatic environment. However oral microbes, under conditions of dysbiosis, may challenge the actin dynamic properties of the PDL in the context of periodontal disease. To study this process, we examined host-microbial interactions in the context of the periodontium via molecular and functional cell assays and showed that human PDL cell interactions with Treponema denticola induce actin depolymerization through a novel actin reorganization signaling mechanism. This actin reorganization mechanism and loss of cell adhesion is a pathological response characterized by an initial upregulation of RASA4 mRNA expression resulting in an increase in matrix metalloproteinase-2 activity. This mechanism is specific to the T. denticola effector protein, dentilisin, thereby uncovering a novel effect for Treponema denticola-mediated RASA4 transcriptional activation and actin depolymerization in primary human PDL cells.
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Affiliation(s)
- Erin Trent Malone
- Kapila Laboratory, Department of Orofacial Sciences, School of Dentistry San Francisco, University of California San Francisco, San Francisco, CA, United States
| | - Sean Ganther
- Kapila Laboratory, Department of Orofacial Sciences, School of Dentistry San Francisco, University of California San Francisco, San Francisco, CA, United States
| | - Nevina Mena
- Kapila Laboratory, Department of Orofacial Sciences, School of Dentistry San Francisco, University of California San Francisco, San Francisco, CA, United States
| | - Allan Radaic
- Kapila Laboratory, Department of Orofacial Sciences, School of Dentistry San Francisco, University of California San Francisco, San Francisco, CA, United States
| | - Keemia Shariati
- Kapila Laboratory, Department of Orofacial Sciences, School of Dentistry San Francisco, University of California San Francisco, San Francisco, CA, United States
| | - Abigail Kindberg
- Bush Laboratory, Department of Cell and Tissue Biology, Biomedical Sciences Graduate, University of California San Francisco, San Francisco, CA, United States
| | - Christian Tafolla
- Kapila Laboratory, Department of Orofacial Sciences, School of Dentistry San Francisco, University of California San Francisco, San Francisco, CA, United States
| | - Pachiyappan Kamarajan
- Kapila Laboratory, Department of Orofacial Sciences, School of Dentistry San Francisco, University of California San Francisco, San Francisco, CA, United States
| | - J. Christopher Fenno
- Fenno Laboratory, Department of Biological and Material Sciences & Prosthodontics, School of Dentistry, University of Michigan, Ann Arbor, MI, United States
| | - Ling Zhan
- Zhan Laboratory, Department of Orofacial Sciences, School of Dentistry San Francisco, University of California San Francisco, San Francisco, CA, United States
| | - Yvonne L. Kapila
- Kapila Laboratory, Department of Orofacial Sciences, School of Dentistry San Francisco, University of California San Francisco, San Francisco, CA, United States
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Norris EG, Dalecki D, Hocking DC. Using Acoustic Fields to Fabricate ECM-Based Biomaterials for Regenerative Medicine Applications. RECENT PROGRESS IN MATERIALS 2020; 2:1-24. [PMID: 33604591 PMCID: PMC7889011 DOI: 10.21926/rpm.2003018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Ultrasound is emerging as a promising tool for both characterizing and fabricating engineered biomaterials. Ultrasound-based technologies offer a diverse toolbox with outstanding capacity for optimization and customization within a variety of therapeutic contexts, including improved extracellular matrix-based materials for regenerative medicine applications. Non-invasive ultrasound fabrication tools include the use of thermal and mechanical effects of acoustic waves to modify the structure and function of extracellular matrix scaffolds both directly, and indirectly via biochemical and cellular mediators. Materials derived from components of native extracellular matrix are an essential component of engineered biomaterials designed to stimulate cell and tissue functions and repair or replace injured tissues. Thus, continued investigations into biological and acoustic mechanisms by which ultrasound can be used to manipulate extracellular matrix components within three-dimensional hydrogels hold much potential to enable the production of improved biomaterials for clinical and research applications.
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Affiliation(s)
- Emma G Norris
- Department of Pharmacology and Physiology, University of Rochester, Rochester, New York, USA
| | - Diane Dalecki
- Department of Biomedical Engineering, University of Rochester, Rochester, New York, USA
| | - Denise C Hocking
- Department of Pharmacology and Physiology, University of Rochester, Rochester, New York, USA
- Department of Biomedical Engineering, University of Rochester, Rochester, New York, USA
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7
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Prawira AY, Hosaka YZ, Novelina S, Farida WR, Darusman HS, Agungpriyono S. Morphological evaluation of polysaccharide content and collagen composition during cutaneous wound healing in the Sunda porcupine (Hystrix javanica). J Vet Med Sci 2020; 82:506-515. [PMID: 32213731 PMCID: PMC7273595 DOI: 10.1292/jvms.19-0603] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Wound healing in the Sunda porcupine is believed to occur quickly, although the wound is large and severe. Wound enclosure involves many processes to restore the lost or damaged skin
structure where conjugated polysaccharide-protein and collagen, as the main components deposited in wound tissue to restore it. The aim of this study was to evaluate alteration of
polysaccharide contents and collagen in untreated full-thickness wound healing in the thoracodorsal and lumbosacral regions in the Sunda porcupines. Histological analysis was performed by
periodic acid Schiff, alcian blue pH 2.5, picrosirius red staining method and Low Vacuum Scanning Electron Microscope (LV-SEM) imaging to obtain the fundamental data of healing process.
Wound healing began with re-epithelization followed by progressive wound contraction with 4 overlapping stages in about 30–50 days until the wound closed (21–30 days in thoracodorsal and
30–50 days in lumbosacral). Neutral polysaccharide was more widely distributed compared to the acid polysaccharide in almost all stages of wound healing. The ratio of collagen I to III
appeared to be higher in the thoracodorsal region than the lumbosacral region during healing process. LV-SEM imaging showed changes in connective tissue structure in the wound border and
granulation tissue which appeared abundant and mixed of thin and thick fiber. In conclusion, cutaneous full thickness wound healing in the Sunda porcupine occurred faster in the
thoracodorsal region, which might be correlated to the role of neutral polysaccharide and a high ratio of collagen I to III.
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Affiliation(s)
- Andhika Yudha Prawira
- Department of Anatomy Physiology and Pharmacology, Faculty of Veterinary Medicine, IPB University, Bogor 16680, Indonesia
| | - Yoshinao Z Hosaka
- Laboratory of Veterinary Anatomy, Department of Veterinary Medicine, Faculty of Agriculture, Tottori University, Tottori 680-8550, Japan
| | - Savitri Novelina
- Department of Anatomy Physiology and Pharmacology, Faculty of Veterinary Medicine, IPB University, Bogor 16680, Indonesia
| | - Wartika Rosa Farida
- Zoology Division, Research Center for Biology, Indonesian Institute of Sciences, Cibinong 16911, Indonesia
| | - Huda Shalahudin Darusman
- Department of Anatomy Physiology and Pharmacology, Faculty of Veterinary Medicine, IPB University, Bogor 16680, Indonesia.,Primate Research Center, IPB University, Bogor 16680, Indonesia
| | - Srihadi Agungpriyono
- Department of Anatomy Physiology and Pharmacology, Faculty of Veterinary Medicine, IPB University, Bogor 16680, Indonesia
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Hoshiba T. Cultured cell-derived decellularized matrices: a review towards the next decade. J Mater Chem B 2017; 5:4322-4331. [DOI: 10.1039/c7tb00074j] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Summary of recent progress in cell-derived decellularized matrices preparation and application, with perspectives towards the next decade.
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Affiliation(s)
- T. Hoshiba
- Frontier Center for Organic Materials
- Yamagata University
- Yonezawa
- Japan
- Innovative Flex Course for Frontier Organic Materials Systems
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Bullon P, Gallardo I, Goteri G, Rubini C, Battino M, Ribas J, Newman HN. Nifedipine and Cyclosporin Affect Fibroblast Calcium and Gingiva. J Dent Res 2016; 86:357-62. [PMID: 17384032 DOI: 10.1177/154405910708600411] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
It has been stated that cyclosporin and nifedipine produce gingival overgrowth. However, the specific pathogenic mechanism remains uncertain. We used an experimental rat model to test the hypothesis that changes in collagen metabolism and numbers of gingival blood vessels are not mediated by intracellular calcium concentration (ratiometric Fura-2 AM measurement) in gingival fibroblasts. In the cyclosporin group, both width (364.2 ± 67.5 μm) and microvessel density (number of vessels/mm2, stained with anti-CD34 antibody) (41.6 ± 5.1) of gingiva were statistically different when compared with those in the control group (width = 184.3 ± 35.2 μm, microvessel density = 19.6 ± 2.4). The nifedipine group showed the highest content of collagen (proportion of total stroma occupied by collagen, stained with Picro-Mallory) (nifedipine group = 66.3 ± 9.4, cyclosporin group = 55.2 ± 7.9, control group = 30.1 ± 10.2). Freshly cultured fibroblasts from the cyclosporin group exhibited higher ratiometric values of fluorescence than did both the control and nifedipine groups (p = 0.03). Our results support the hypothesis that changes in gingival collagen metabolism are not mediated by calcium intracellular oscillations.
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Affiliation(s)
- P Bullon
- Department of Periodontology, Facultad de Odontologia, University of Sevilla, c/Avicena s/n, 41009 Sevilla, Spain.
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Chow CR, Ebine K, Knab LM, Bentrem DJ, Kumar K, Munshi HG. Cancer Cell Invasion in Three-dimensional Collagen Is Regulated Differentially by Gα13 Protein and Discoidin Domain Receptor 1-Par3 Protein Signaling. J Biol Chem 2015; 291:1605-1618. [PMID: 26589794 DOI: 10.1074/jbc.m115.669606] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Indexed: 12/15/2022] Open
Abstract
Cancer cells can invade in three-dimensional collagen as single cells or as a cohesive group of cells that require coordination of cell-cell junctions and the actin cytoskeleton. To examine the role of Gα13, a G12 family heterotrimeric G protein, in regulating cellular invasion in three-dimensional collagen, we established a novel method to track cell invasion by membrane type 1 matrix metalloproteinase-expressing cancer cells. We show that knockdown of Gα13 decreased membrane type 1 matrix metalloproteinase-driven proteolytic invasion in three-dimensional collagen and enhanced E-cadherin-mediated cell-cell adhesion. E-cadherin knockdown reversed Gα13 siRNA-induced cell-cell adhesion but failed to reverse the effect of Gα13 siRNA on proteolytic invasion. Instead, concurrent knockdown of E-cadherin and Gα13 led to an increased number of single cells rather than groups of cells. Significantly, knockdown of discoidin domain receptor 1 (DDR1), a collagen-binding protein that also co-localizes to cell-cell junctions, reversed the effects of Gα13 knockdown on cell-cell adhesion and proteolytic invasion in three-dimensional collagen. Knockdown of the polarity protein Par3, which can function downstream of DDR1, also reversed the effects of Gα13 knockdown on cell-cell adhesion and proteolytic invasion in three-dimensional collagen. Overall, we show that Gα13 and DDR1-Par3 differentially regulate cell-cell junctions and the actin cytoskeleton to mediate invasion in three-dimensional collagen.
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Affiliation(s)
- Christina R Chow
- From the Departments of Medicine and; Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, Ilinois 60611
| | - Kazumi Ebine
- From the Departments of Medicine and; Jesse Brown Veterans Affairs Medical Center, and
| | | | - David J Bentrem
- Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, Ilinois 60611; Jesse Brown Veterans Affairs Medical Center, and; Surgery, Feinberg School of Medicine
| | - Krishan Kumar
- From the Departments of Medicine and; Jesse Brown Veterans Affairs Medical Center, and
| | - Hidayatullah G Munshi
- From the Departments of Medicine and; Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, Ilinois 60611; Jesse Brown Veterans Affairs Medical Center, and.
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11
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Jimenez L, Jayakar SK, Ow TJ, Segall JE. Mechanisms of Invasion in Head and Neck Cancer. Arch Pathol Lab Med 2015; 139:1334-48. [PMID: 26046491 DOI: 10.5858/arpa.2014-0498-ra] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
CONTEXT The highly invasive properties demonstrated by head and neck squamous cell carcinoma (HNSCC) are often associated with locoregional recurrence and lymph node metastasis in patients and is a key factor leading to an expected 5-year survival rate of approximately 50% for patients with advanced disease. It is important to understand the features and mediators of HNSCC invasion so that new treatment approaches can be developed. OBJECTIVES To provide an overview of the characteristics, mediators, and mechanisms of HNSCC invasion. DATA SOURCES A literature review of peer-reviewed articles in PubMed on HNSCC invasion. CONCLUSIONS Histologic features of HNSCC tumors can help predict prognosis and influence clinical treatment decisions. Cell surface receptors, signaling pathways, proteases, invadopodia function, epithelial-mesenchymal transition, microRNAs, and tumor microenvironment are all involved in the regulation of the invasive behavior of HNSCC cells. Identifying effective HNSCC invasion inhibitors has the potential to improve outcomes for patients by reducing the rate of spread and increasing responsiveness to chemoradiation.
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Affiliation(s)
| | | | | | - Jeffrey E Segall
- From the Departments of Pathology (Mss Jimenez and Jayakar, and Drs Ow and Segall) and Anatomy and Structural Biology (Mss Jimenez and Jayakar, and Dr Segall), Albert Einstein College of Medicine, Bronx, New York
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12
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Hamadi A, Giannone G, Takeda K, Rondé P. Glutamate involvement in calcium-dependent migration of astrocytoma cells. Cancer Cell Int 2014; 14:42. [PMID: 24860258 PMCID: PMC4032497 DOI: 10.1186/1475-2867-14-42] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2013] [Accepted: 04/30/2014] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Astrocytoma are known to have altered glutamate machinery that results in the release of large amounts of glutamate into the extracellular space but the precise role of glutamate in favoring cancer processes has not yet been fully established. Several studies suggested that glutamate might provoke active killing of neurons thereby producing space for cancer cells to proliferate and migrate. Previously, we observed that calcium promotes disassembly of integrin-containing focal adhesions in astrocytoma, thus providing a link between calcium signaling and cell migration. The aim of this study was to determine how calcium signaling and glutamate transmission cooperate to promote enhanced astrocytoma migration. METHODS The wound-healing model was used to assay migration of human U87MG astrocytoma cells and allowed to monitor calcium signaling during the migration process. The effect of glutamate on calcium signaling was evaluated together with the amount of glutamate released by astrocytoma during cell migration. RESULTS We observed that glutamate stimulates motility in serum-starved cells, whereas in the presence of serum, inhibitors of glutamate receptors reduce migration. Migration speed was also reduced in presence of an intracellular calcium chelator. During migration, cells displayed spontaneous Ca(2+) transients. L-THA, an inhibitor of glutamate re-uptake increased the frequency of Ca(2+) oscillations in oscillating cells and induced Ca(2+) oscillations in quiescent cells. The frequency of migration-associated Ca(2+) oscillations was reduced by prior incubation with glutamate receptor antagonists or with an anti-β1 integrin antibody. Application of glutamate induced increases in internal free Ca(2+) concentration ([Ca(2+)]i). Finally we found that compounds known to increase [Ca(2+)]i in astrocytomas such as thapsigagin, ionomycin or the metabotropic glutamate receptor agonist t-ACPD, are able to induce glutamate release. CONCLUSION Our data demonstrate that glutamate increases migration speed in astrocytoma cells via enhancement of migration-associated Ca(2+) oscillations that in turn induce glutamate secretion via an autocrine mechanism. Thus, glutamate receptors are further validated as potential targets for astrocytoma cancer therapy.
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Affiliation(s)
- Abdelkader Hamadi
- Laboratoire de Biophotonique et Pharmacologie, CNRS, UMR 7213, Université de Strasbourg, Illkirch 67401, France
| | - Grégory Giannone
- Interdisciplinary Institute for Neuroscience and UMR CNRS 5297, University of Bordeaux, Bordeaux 33000, France
| | - Kenneth Takeda
- Laboratoire de Biophotonique et Pharmacologie, CNRS, UMR 7213, Université de Strasbourg, Illkirch 67401, France
| | - Philippe Rondé
- Laboratoire de Biophotonique et Pharmacologie, CNRS, UMR 7213, Université de Strasbourg, Illkirch 67401, France
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Ward ST, Dangi-Garimella S, Shields MA, Collander BA, Siddiqui MAQ, Krantz SB, Munshi HG. Ethanol differentially regulates snail family of transcription factors and invasion of premalignant and malignant pancreatic ductal cells. J Cell Biochem 2012; 112:2966-73. [PMID: 21678462 DOI: 10.1002/jcb.23215] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Pancreatic cancer is one of the deadliest of cancers with a dismal 5-year survival rate. Epidemiological studies have identified chronic pancreatitis as a risk factor for pancreatic cancer. Pancreatic cancer cells also demonstrate increased expression of the transcription factor Snail, a key regulator of epithelial-mesenchymal transition. As ethanol is one of the major causes of pancreatitis, we examined the effect of ethanol on Snail family members in immortalized human pancreatic ductal epithelial (HPDE) cells and in pancreatic cancer cells. Ethanol induced Snail mRNA levels 2.5-fold in HPDE cells, with only 1.5-fold mRNA induction of the Snail-related protein slug. In contrast, ethanol increased Slug mRNA levels 1.5- to 2-fold in pancreatic cancer cells, with minimal effect on Snail. Because Snail increases invasion of cancer cells, we examined the effect of ethanol on invasion of HPDE and pancreatic cancer cells. Surprisingly, ethanol decreased invasion of HPDE cells, but had no effect on invasion of pancreatic cancer cells. Mechanistically, ethanol increased adhesion of HPDE cells to collagen and increased expression of the collagen binding α2- and β1-integrins. In contrast, ethanol did not affect collagen adhesion or integrin expression in pancreatic cancer cells. Also in contrast to HPDE cells, ethanol did not attenuate ERK1/2 phosphorylation in pancreatic cancer cells; however, inhibiting ERK1/2 decreased pancreatic cancer cell invasion. Overall, our results identify the differential effects of ethanol on premalignant and malignant pancreatic cells, and demonstrate the pleiotropic effects of ethanol on pancreatic cancer progression.
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Affiliation(s)
- Sarah T Ward
- Division of Hematology/Oncology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
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14
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Pérez-Sayáns M, Suárez-Peñaranda JM, Gayoso-Diz P, Barros-Angueira F, Gándara-Rey JM, García-García A. Tissue inhibitor of metalloproteinases in oral squamous cell carcinomas - a therapeutic target? Cancer Lett 2012; 323:11-19. [PMID: 22484495 DOI: 10.1016/j.canlet.2012.03.040] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2012] [Accepted: 03/30/2012] [Indexed: 11/30/2022]
Abstract
Matrix metalloproteinases (MMPs) are proteases responsible for remodeling the extracellular matrix (ECM) and enabling spreading and metastasis of tumor cells, a common phenomenon in oral squamous cell carcinomas (OSCC). They are strongly blocked by several inhibitors, among which we must highlight, for their specificity and potency, the endogenous tissue inhibitors of metalloproteinases (TIMP-1, -2, -3 and -4). The goal of this paper is to describe the expression of TIMPs in OSCC, determining their relation with clinical, histological and prognostic factors, delving into OSCC regulation mechanisms and discussing the use of exogenous TIMPs to treat this type of tumors. Expression of TIMPs in OSCC is higher in tumors than in normal tissue, which correlates with an increase of metastatic risk and regional lymph node affectation. Although some metalloproteinases inhibitors (MMIs) have shown promising results in the treatment of these tumors, their use in OSCC has not been widely tested; and although some indirect MMIs, like COX-2 inhibitors, flavonoids and endostatin seem to have beneficial effects on the invasive capacity of OSCC through regulation of MMPs and TIMP levels, routine clinical use has not been accepted yet.
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Affiliation(s)
- Mario Pérez-Sayáns
- Oral Medicine, Oral Surgery and Implantology Unit, Faculty of Medicine and Dentistry, Instituto de Investigación Sanitaria de Santiago (IDIS), Santiago de Compostela, Spain; Entrerríos s/n, Santiago de Compostela C.P. 15782, Spain.
| | - José Manuel Suárez-Peñaranda
- Servicio de Anatomia Patológica, Hospital Clinico Universitario de Santiago, Choupana s/n, Santiago de Compostela C.P. 15706, Spain.
| | - Pilar Gayoso-Diz
- Clinical Epidemiology and Biostatistics Unit, Hospital Clínico Universitario de Santiago de Compostela, Instituto de Investigación Sanitaria de Santiago (IDIS), A Choupana s/n, Santiago de Compostela 15706, Spain.
| | - Francisco Barros-Angueira
- Unidad de Medicina Molecular, Fundación Pública Galega de Medicina Xenómica, Edificio de Consultas planta-2, Hospital Clinico Universitario, Santiago de Compostela C.P. 15706, Spain.
| | | | - Abel García-García
- Oral Medicine, Oral Surgery and Implantology Unit, Faculty of Medicine and Dentistry, Instituto de Investigación Sanitaria de Santiago (IDIS), Santiago de Compostela, Spain; Entrerríos s/n, Santiago de Compostela C.P. 15782, Spain.
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15
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Kwak HI, Kang H, Dave JM, Mendoza EA, Su SC, Maxwell SA, Bayless KJ. Calpain-mediated vimentin cleavage occurs upstream of MT1-MMP membrane translocation to facilitate endothelial sprout initiation. Angiogenesis 2012; 15:287-303. [PMID: 22407449 PMCID: PMC3338915 DOI: 10.1007/s10456-012-9262-4] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2011] [Accepted: 02/20/2012] [Indexed: 12/19/2022]
Abstract
Endothelial cells normally line the vasculature and remain quiescent. However, these cells can be rapidly stimulated to undergo morphogenesis and initiate new blood vessel formation given the proper cues. This study reports a new mechanism for initiating angiogenic sprout formation that involves vimentin, the major intermediate filament protein in endothelial cells. Initial studies confirmed vimentin was required for sphingosine 1-phosphate (S1P)- and growth factor (GF)-induced endothelial cell invasion, and vimentin was cleaved by calpains during invasion. Calpains were predominantly activated by GF and were required for sprout initiation. Because others have reported membrane type 1-matrix metalloproteinase (MT1-MMP) is required for endothelial sprouting responses, we tested whether vimentin and calpain acted upstream of MT1-MMP. Both calpain and vimentin were required for successful MT1-MMP membrane translocation, which was stimulated by S1P. In addition, vimentin complexed with MT1-MMP in a manner that required both the cytoplasmic domain of MT1-MMP and calpain activation, which increased the soluble pool of vimentin in endothelial cells. Altogether, these data indicate that pro-angiogenic signals converge to activate calpain-dependent vimentin cleavage and increase vimentin solubility, which act upstream to facilitate MT1-MMP membrane translocation, resulting in successful endothelial sprout formation in three-dimensional collagen matrices. These findings help explain why S1P and GF synergize to stimulate robust sprouting in 3D collagen matrices.
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Affiliation(s)
- Hyeong-Il Kwak
- Department of Molecular and Cellular Medicine, Texas A&M Health Science Center, College Station, TX 77843-1114 USA
| | - Hojin Kang
- Department of Molecular and Cellular Medicine, Texas A&M Health Science Center, College Station, TX 77843-1114 USA
| | - Jui M. Dave
- Department of Molecular and Cellular Medicine, Texas A&M Health Science Center, College Station, TX 77843-1114 USA
| | - E. Adriana Mendoza
- Department of Molecular and Cellular Medicine, Texas A&M Health Science Center, College Station, TX 77843-1114 USA
| | - Shih-Chi Su
- Department of Molecular and Cellular Medicine, Texas A&M Health Science Center, College Station, TX 77843-1114 USA
| | - Steve A. Maxwell
- Department of Molecular and Cellular Medicine, Texas A&M Health Science Center, College Station, TX 77843-1114 USA
| | - Kayla J. Bayless
- Department of Molecular and Cellular Medicine, Texas A&M Health Science Center, College Station, TX 77843-1114 USA
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16
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Skowrońska M, Zielińska M, Wójcik-Stanaszek L, Ruszkiewicz J, Milatovic D, Aschner M, Albrecht J. Ammonia increases paracellular permeability of rat brain endothelial cells by a mechanism encompassing oxidative/nitrosative stress and activation of matrix metalloproteinases. J Neurochem 2012; 121:125-34. [PMID: 22260250 DOI: 10.1111/j.1471-4159.2012.07669.x] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Ammonia is responsible for cerebral edema associated with acute liver failure, but the role of the vasogenic mechanism has been a matter of dispute. Here, we tested the hypothesis that ammonia induces changes in blood-brain barrier (BBB) permeability by a mechanism coupled to oxidative/nitrosative stress (ONS) evoked in the BBB-forming cerebral capillary endothelial cells. Treatment of a rat brain endothelial cell line with ammonia (5 mmol/L, 24 h) caused accumulation of ONS markers: reactive oxygen species, nitric oxide and peroxidation products of phospholipid-bound arachidonic acid, F2-isoprostanes. Concurrently, ammonia increased the activity of extracellular matrix metalloproteinases (MMP-2/MMP-9), increased cell permeability to fluorescein isothiocyanate-dextran (40 kDa), and increased the expression of y+LAT2, a transporter that mediates the uptake to the cells of the nitric oxide precursor, arginine. The increase of cell permeability was ameliorated upon co-treatment with a MMP inhibitor, SB-3CT and with an antioxidant, glutathione diethyl ester, which also reduced F2-isoprostanes. Ammonia-induced ONS was attenuated by cytoprotective agents l-ornithine, phenylbutyrate, and their conjugate l-ornithine phenylbutyrate, an ammonia-trapping drug used to treat hyperammonemia. The results support the concept that ONS and ONS-related activation of MMPs in cerebral capillary endothelial cells contribute to the alterations in BBB permeability and to the vasogenic component of cerebral edema associated with acute liver failure.
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Affiliation(s)
- Marta Skowrońska
- Department of Neurotoxicology, Mossakowski Medical Research Centre, Polish Academy of Sciences, Warsaw, Poland
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17
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Shields MA, Krantz SB, Bentrem DJ, Dangi-Garimella S, Munshi HG. Interplay between β1-integrin and Rho signaling regulates differential scattering and motility of pancreatic cancer cells by snail and Slug proteins. J Biol Chem 2012; 287:6218-29. [PMID: 22232555 DOI: 10.1074/jbc.m111.308940] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
The Snail family of transcription factors has been implicated in pancreatic cancer progression. We recently showed that Snail (Snai1) promotes membrane-type 1 matrix metalloproteinase (MT1-MMP)- and ERK1/2-dependent scattering of pancreatic cancer cells in three-dimensional type I collagen. In this study, we examine the role of Slug (Snai2) in regulating pancreatic cancer cell scattering in three-dimensional type I collagen. Although Slug increased MT1-MMP expression and ERK1/2 activity, Slug-expressing cells failed to scatter in three-dimensional collagen. Moreover, in contrast to Snail-expressing cells, Slug-expressing cells did not demonstrate increased collagen I binding, collagen I-driven motility, or α2β1-integrin expression. Significantly, inhibiting β1-integrin function decreased migration and scattering of Snail-expressing cells in three-dimensional collagen. As Rho GTPases have been implicated in invasion and migration, we also analyzed the contribution of Rac1 and Rho signaling to the differential migration and scattering of pancreatic cancer cells. Snail-induced migration and scattering were attenuated by Rac1 inhibition. In contrast, inhibiting Rho-associated kinase ROCK1/2 increased migration and scattering of Slug-expressing cells in three-dimensional collagen and thus phenocopied the effects of Snail in pancreatic cancer cells. Additionally, the increased migration and scattering in three-dimensional collagen of Slug-expressing cells following ROCK1/2 inhibition was dependent on β1-integrin function. Overall, these results demonstrate differential effects of Snail and Slug in pancreatic cancer and identify the interplay between Rho signaling and β1-integrin that functions to regulate the differential scattering and migration of Snail- and Slug-expressing pancreatic cancer cells.
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Affiliation(s)
- Mario A Shields
- Division of Hematology/Oncology, Department of Medicine, Northwestern University, Chicago, Illinois 60611, USA
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18
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Al-Alwan M, Olabi S, Ghebeh H, Barhoush E, Tulbah A, Al-Tweigeri T, Ajarim D, Adra C. Fascin is a key regulator of breast cancer invasion that acts via the modification of metastasis-associated molecules. PLoS One 2011; 6:e27339. [PMID: 22076152 PMCID: PMC3208623 DOI: 10.1371/journal.pone.0027339] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2011] [Accepted: 10/13/2011] [Indexed: 12/21/2022] Open
Abstract
The actin-bundling protein, fascin, is a member of the cytoskeletal protein family that has restricted expression in specialized normal cells. However, many studies have reported the induction of this protein in various transformed cells including breast cancer cells. While the role of fascin in the regulation of breast cancer cell migration has been previously shown, the underlying molecular mechanism remained poorly defined. We have used variety of immunological and functional assays to study whether fascin regulates breast cancer metastasis-associated molecules. In this report we found a direct relationship between fascin expression in breast cancer patients and; metastasis and shorter disease-free survival. Most importantly, in vitro interference with fascin expression by loss or gain of function demonstrates a central role for this protein in regulating the cell morphology, migration and invasion potential. Our results show that fascin regulation of invasion is mediated via modulating several metastasis-associated genes. We show for the first time that fascin down-regulates the expression and nuclear translocation of a key metastasis suppressor protein known as breast cancer metastasis suppressor-1 (BRMS1). In addition, fascin up-regulates NF-kappa B activity, which is essential for metastasis. Importantly, fascin up-regulates other proteins that are known to be critical for the execution of metastasis such as urokinase-type plasminogen activator (uPA) and the matrix metalloproteases (MMP)-2 and MMP-9. This study demonstrates that fascin expression in breast cancer cells establishes a gene expression profile consistent with metastatic tumors and offers a potential therapeutic intervention in metastatic breast cancer treatment through fascin targeting.
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Affiliation(s)
- Monther Al-Alwan
- Stem Cell Therapy Program, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia.
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19
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Burkhalter RJ, Symowicz J, Hudson LG, Gottardi CJ, Stack MS. Integrin regulation of beta-catenin signaling in ovarian carcinoma. J Biol Chem 2011; 286:23467-75. [PMID: 21518759 DOI: 10.1074/jbc.m110.199539] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Reversible modulation of integrin-regulated cell-matrix adhesion and epithelial (E)-cadherin-mediated cell-cell adhesion plays a critical role in the establishment of ovarian cancer metastases. In contrast to most epithelial cell-derived tumors that down-regulate E-cadherin expression during progression, acquisition of E-cadherin expression accompanies malignant transformation of the ovarian surface epithelium and is maintained in peritoneal metastases. Metastatic epithelial ovarian cancer cells are disseminated intraperitoneally and preferentially adhere via integrins to interstitial collagens in the peritoneal cavity. This study was undertaken to determine whether integrin engagement influences E-cadherin and β-catenin localization and function. The data demonstrate that multivalent integrin engagement results in increased internalization of E-cadherin, inhibition of GSK-3β, elevated levels of nuclear β-catenin, increased β-catenin-regulated promoter activation, and transcriptional activation of Wnt/β-catenin target genes. Blocking β-catenin transcriptional control with inhibitor of β-catenin and Tcf-4 reduces cellular invasion, suggesting a key role for β-catenin nuclear signaling in EOC invasion and metastasis. These studies support a model wherein cell-matrix engagement regulates the functional integrity of cell-cell contacts, leading to increased β-catenin nuclear signaling and enhanced cellular invasive activity. Furthermore, these results provide a mechanism for activation of Wnt/β-catenin signaling in the absence of activating mutations in this pathway.
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Affiliation(s)
- Rebecca J Burkhalter
- Department of Medical Pharmacology and Physiology, University of Missouri School of Medicine, Columbia, Missouri 65212, USA
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20
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Shields MA, Dangi-Garimella S, Krantz SB, Bentrem DJ, Munshi HG. Pancreatic cancer cells respond to type I collagen by inducing snail expression to promote membrane type 1 matrix metalloproteinase-dependent collagen invasion. J Biol Chem 2011; 286:10495-504. [PMID: 21288898 DOI: 10.1074/jbc.m110.195628] [Citation(s) in RCA: 98] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is characterized by pronounced fibrotic reaction composed primarily of type I collagen. Although type I collagen functions as a barrier to invasion, pancreatic cancer cells have been shown to respond to type I collagen by becoming more motile and invasive. Because epithelial-mesenchymal transition is also associated with cancer invasion, we examined the extent to which collagen modulated the expression of Snail, a well known regulator of epithelial-mesenchymal transition. Relative to cells grown on tissue culture plastic, PDAC cells grown in three-dimensional collagen gels induced Snail. Inhibiting the activity or expression of the TGF-β type I receptor abrogated collagen-induced Snail. Downstream of the receptor, we showed that Smad3 and Smad4 were critical for the induction of Snail by collagen. In contrast, Smad2 or ERK1/2 was not involved in collagen-mediated Snail expression. Overexpression of Snail in PDAC cells resulted in a robust membrane type 1-matrix metalloproteinase (MT1-MMP, MMP-14)-dependent invasion through collagen-coated transwell chambers. Snail-expressing PDAC cells also demonstrated MT1-MMP-dependent scattering in three-dimensional collagen gels. Mechanistically, Snail increased the expression of MT1-MMP through activation of ERK-MAPK signaling, and inhibiting ERK signaling in Snail-expressing cells blocked two-dimensional collagen invasion and attenuated scattering in three-dimensional collagen. To provide in vivo support for our findings that Snail can regulate MT1-MMP, we examined the expression of Snail and MT1-MMP in human PDAC tumors and found a statistically significant positive correlation between MT1-MMP and Snail in these tumors. Overall, our data demonstrate that pancreatic cancer cells increase Snail on encountering collagen-rich milieu and suggest that the desmoplastic reaction actively contributes to PDAC progression.
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Affiliation(s)
- Mario A Shields
- Division of Hematology/Oncology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
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21
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Dutta A, Sen T, Chatterjee A. All-trans retinoic acid (ATRA) downregulates MMP-9 by modulating its regulatory molecules. Cell Adh Migr 2011; 4:409-18. [PMID: 20421725 DOI: 10.4161/cam.4.3.11682] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
UNLABELLED The vitamin A derivative all-trans retinoic acid (ATRA) is considered as a potent chemotherapeutic drug for its capability of regulating cell growth and differentiation. We aimed to study the effect of ATRA on MMP-9 in MDA-MB-231, human breast cancer cells and the probable molecular mechanisms through which ATRA exerts its effect. RESULTS Our experimental findings demonstrate that ATRA enters into the nucleus and regulates various signaling pathways viz. Integrin, FAK, ERK, PI-3K, NF-κB and also EGFR and down regulates pro-MMP-9 activity as well as its expression. As a result MDA-MB-231 cell migration on fibronectin medium gets retarded in presence of ATRA. ATRA up regulates TIMP-1 expression. Our study may help to understand the role of ATRA as a regulator of MMP-9 and the possible signaling pathways which are involved in this ATRA mediated down regulation of MMP-9.
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Affiliation(s)
- Anindita Dutta
- Department of Receptor Biology & Tumor Metastasis, Chittaranjan National Cancer Institute, Kolkata, India
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22
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Tapia T, Ottman R, Chakrabarti R. LIM kinase1 modulates function of membrane type matrix metalloproteinase 1: implication in invasion of prostate cancer cells. Mol Cancer 2011; 10:6. [PMID: 21219645 PMCID: PMC3027192 DOI: 10.1186/1476-4598-10-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2010] [Accepted: 01/10/2011] [Indexed: 02/15/2023] Open
Abstract
Background LIM kinase 1 (LIMK1) is an actin and microtubule cytoskeleton modulatory protein that is overexpressed in a number of cancerous tissues and cells and also promotes invasion and metastasis of prostate and breast cancer cells. Membrane type matrix metalloproteinase 1 (MT1-MMP) is a critical modulator of extracellular matrix (ECM) turnover through pericellular proteolysis and thus plays crucial roles in neoplastic cell invasion and metastasis. MT1-MMP and its substrates pro-MMP-2 and pro-MMP-9 are often overexpressed in a variety of cancers including prostate cancer and the expression levels correlate with the grade of malignancy in prostate cancer cells. The purpose of this study is to determine any functional relation between LIMK1 and MT1-MMP and its implication in cell invasion. Results Our results showed that treatment with the hydroxamate inhibitor of MT1-MMP, MMP-2 and MMP-9 ilomastat inhibited LIMK1-induced invasion of benign prostate epithelial cells. Over expression of LIMK1 resulted in increased collagenolytic activity of MMP-2, and secretion of pro-MMP2 and pro-MMP-9. Cells over expressing LIMK1 also exhibited increased expression of MT1-MMP, transcriptional activation and its localization to the plasma membrane. LIMK1 physically associates with MT1-MMP and is colocalized with it to the Golgi vesicles. We also noted increased expression of both MT1-MMP and LIMK1 in prostate tumor tissues. Conclusion Our results provide new information on regulation of MT1-MMP function by LIMK1 and showed for the first time, involvement of MMPs in LIMK1 induced cell invasion.
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Affiliation(s)
- Tenekua Tapia
- Department of Molecular Biology and Microbiology, Burnett School of Biomolecular Sciences, University of Central Florida, Orlando, FL, USA
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Al-Swiahb JN, Chen CH, Chuang HC, Fang FM, Tasi HT, Chien CY. Clinical, pathological and molecular determinants in squamous cell carcinoma of the oral cavity. Future Oncol 2010; 6:837-50. [PMID: 20465394 DOI: 10.2217/fon.10.35] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Squamous cell carcinoma of the oral cavity (OCSCC) is the most frequently observed form of head-and-neck cancer in Southeast Asia and is the sixth most common cancer worldwide. Most cases of this preventable disease are caused by alcohol consumption, smoking and betel nut chewing. The survival rates of patients with advanced OCSCC have not increased significantly in recent years. While treatments for OCSCC are similar worldwide, survival rates differ by geographical area. The various genetic profiles and individual genetic susceptibility for carcinogens may account for this discrepancy. In some respects, molecular alteration or accumulation affects tumor progression and the clinical outcomes among patients with OCSCC. Clarifying the tumor behavior of oral cancer, with regard to pathological features or molecular aspects, could help clinicians to judge, tailor and adopt more effective therapeutic strategies to treat oral cancer.
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Affiliation(s)
- Jamil N Al-Swiahb
- Department of Otolaryngology, Chang Gung Memorial Hospital - Kaohsiung Medical Center, Chang Gung University College of Medicine, Kaohsiung, Taiwan
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Dangi-Garimella S, Redig AJ, Shields MA, Siddiqui MA, Munshi HG. Rho-ROCK-myosin signaling mediates membrane type 1 matrix metalloproteinase-induced cellular aggregation of keratinocytes. J Biol Chem 2010; 285:28363-72. [PMID: 20605790 DOI: 10.1074/jbc.m110.146019] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Membrane type 1-matrix metalloproteinase (MT1-MMP, MMP14), which is associated with extracellular matrix (ECM) breakdown in squamous cell carcinoma (SCC), promotes tumor formation and epithelial-mesenchymal transition. However, in this report we demonstrate that MT1-MMP, by cleaving the underlying ECM, causes cellular aggregation of keratinocytes and SCC cells. Treatment with an MMP inhibitor abrogated MT1-MMP-induced phenotypic changes, but decreasing E-cadherin expression did not affect MT1-MMP-induced cellular aggregation. As ROCK1/2 can regulate cell-cell and cell-ECM interaction, we examined its role in mediating MT1-MMP-induced phenotypic changes. Blocking ROCK1/2 expression or activity abrogated the cellular aggregation resulting from MT1-MMP expression. Additionally, blocking Rho and non-muscle myosin attenuated MT1-MMP-induced phenotypic changes. Moreover, SCC cells expressing only the catalytically active MT1-MMP protein demonstrated increased cellular aggregation and increased myosin II activity in vivo when injected subcutaneously into nude mice. Together, these results demonstrate that expression of MT1-MMP may be anti-tumorigenic in keratinocytes by promoting cellular aggregation.
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Affiliation(s)
- Surabhi Dangi-Garimella
- Division of Hematology/Oncology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
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25
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Joseph MJ, Dangi-Garimella S, Shields MA, Diamond ME, Sun L, Koblinski JE, Munshi HG. Slug is a downstream mediator of transforming growth factor-β1-induced matrix metalloproteinase-9 expression and invasion of oral cancer cells. J Cell Biochem 2009; 108:726-36. [DOI: 10.1002/jcb.22309] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Chen CH, Chien CY, Huang CC, Hwang CF, Chuang HC, Fang FM, Huang HY, Chen CM, Liu HL, Huang CYF. Expression of FLJ10540 is correlated with aggressiveness of oral cavity squamous cell carcinoma by stimulating cell migration and invasion through increased FOXM1 and MMP-2 activity. Oncogene 2009; 28:2723-37. [PMID: 19525975 DOI: 10.1038/onc.2009.128] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Matrix metalloproteinase (MMP)-2 plays critical roles in tumor development and in the metastasis of multiple cancers, including human oral cavity squamous cell carcinoma (OCSCC). One of the upstream regulators of MMP-2 is FOXM1, which is overexpressed in a microarray dataset of OCSCC. It is interesting that FLJ10540 exhibits similar gene expression profiles with MMP-2 and FOXM1, raising the possibility that these molecules might participate in MMP-2-elicited cancer progression and metastasis of OCSCC. To examine this connection, we first showed that FLJ10540 was significantly overexpressed in OCSCC. A strong FLJ10540 expression was significantly correlated with an advanced tumor node metastasis stage and the cumulative 5-year survival rate. Thus, an elevated FLJ10540 expression is an indicator of poor survival. Functionally, FLJ10540 had the abilities to stimulate cell migration and invasion in oral cancer cells through increased FOXM1 and MMP-2 expressions. Conversely, the depletion of the FLJ10540 expression by small interfering RNAs suppressed the FOXM1 and MMP-2 protein expressions. The suppression of either FLJ10540 or FOXM1 could cause significant inhibition on cell migratory and invasive ability in oral cancer cells. Finally, the immunohistochemical and western blotting analyses of human aggressive OCSCC specimens showed a significant positive correlation among FLJ10540, FOXM1 and MMP-2 expressions. These findings suggest that FLJ10540 is not only an important prognostic factor but also a new therapeutic target in the FLJ10540/FOXM1/MMP-2 pathway for OCSCC treatment.
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Affiliation(s)
- C-H Chen
- Department of Otolaryngology, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Chang Gung University College of Medicine, Kaohsiung, Taiwan
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Cho JA, Osenkowski P, Zhao H, Kim S, Toth M, Cole K, Aboukameel A, Saliganan A, Schuger L, Bonfil RD, Fridman R. The inactive 44-kDa processed form of membrane type 1 matrix metalloproteinase (MT1-MMP) enhances proteolytic activity via regulation of endocytosis of active MT1-MMP. J Biol Chem 2008; 283:17391-405. [PMID: 18413312 DOI: 10.1074/jbc.m708943200] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Membrane type 1 (MT1) matrix metalloproteinase (MMP-14) is a membrane-tethered MMP considered to be a major mediator of pericellular proteolysis. MT1-MMP is regulated by a complex array of mechanisms, including processing and endocytosis that determine the pool of active proteases on the plasma membrane. Autocatalytic processing of active MT1-MMP generates an inactive membrane-tethered 44-kDa product (44-MT1) lacking the catalytic domain. This form preserves all other enzyme domains and is retained at the cell surface. Paradoxically, accumulation of the 44-kDa form has been associated with increased enzymatic activity. Here we report that expression of a recombinant 44-MT1 (Gly(285)-Val(582)) in HT1080 fibrosarcoma cells results in enhanced pro-MMP-2 activation, proliferation within a three-dimensional collagen I matrix, and tumor growth and lung metastasis in mice. Stimulation of pro-MMP-2 activation and growth in collagen I was also observed in other cell systems. Expression of 44-MT1 in HT1080 cells is associated with a delay in the rate of active MT1-MMP endocytosis resulting in higher levels of active enzyme at the cell surface. Consistently, deletion of the cytosolic domain obliterates the stimulatory effects of 44-MT1 on MT1-MMP activity. In contrast, deletion of the hinge turns the 44-MT1 form into a negative regulator of enzyme function in vitro and in vivo, suggesting a key role for the hinge region in the functional relationship between active and processed MT1-MMP. Together, these results suggest a novel role for the 44-kDa form of MT1-MMP generated during autocatalytic processing in maintaining the pool of active enzyme at the cell surface.
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Affiliation(s)
- Jin-Ah Cho
- Department of Pathology and Proteases and Cancer Program, Barbara Ann Karmanos Cancer Institute, Wayne State University, Detroit, Michigan 48201, USA
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Transforming Growth Factor-β1 Promotes Matrix Metalloproteinase-9–Mediated Oral Cancer Invasion through Snail Expression. Mol Cancer Res 2008; 6:10-20. [DOI: 10.1158/1541-7786.mcr-07-0208] [Citation(s) in RCA: 95] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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29
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Wu Y, Munshi H, Snipas S, Salvesen G, Fridman R, Stack M. Activation-coupled membrane-type 1 matrix metalloproteinase membrane trafficking. Biochem J 2008; 407:171-7. [PMID: 17650075 PMCID: PMC2049019 DOI: 10.1042/bj20070552] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The transmembrane collagenase MT1-MMP (membrane-type 1 matrix metalloproteinase), also known as MMP-14, has a critical function both in normal development and in cancer progression, and is subject to extensive controls at the post-translational level which affect proteinase activity. As zymogen activation is crucial for MT1-MMP activity, an alpha1-PI (alpha1-proteinase inhibitor)-based inhibitor was designed by incorporating the MT1-MMP propeptide cleavage sequence into the alpha1-PI reactive-site loop (designated alpha1-PI(MT1)) and this was compared with wild-type alpha1-PI (alpha1-PI(WT)) and the furin inhibitory mutant alpha1-PI(PDX). Alpha1-PI(MT1) formed an SDS-stable complex with furin and inhibited proMT1-MMP activation. A consequence of the loss of MT1-MMP activity was the activation of proMMP-2 and the inhibition of MT1-MMP-mediated collagen invasion. alpha1-PI(MT1) expression also resulted in the intracellular accumulation of a glycosylated species of proMT1-MMP that was retained in the perinuclear region, leading to significantly decreased cell-surface accumulation of proMT1-MMP. These observations suggest that both the subcellular localization and the activity of MT1-MMP are regulated in a coordinated fashion, such that proMT1-MMP is retained intracellularly until activation of its zymogen, then proMT1-MMP traffics to the cell surface in order to cleave extracellular substrates.
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Affiliation(s)
- Yi I. Wu
- *Department of Cell and Molecular Biology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, U.S.A
- †Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL 60611, U.S.A
| | - Hidayatullah G. Munshi
- †Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL 60611, U.S.A
- ‡Division of Hematology/Oncology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, U.S.A
| | - Scott J. Snipas
- §Program in Apoptosis and Cell Death Research, Burnham Institute, La Jolla, CA 92037, U.S.A
| | - Guy S. Salvesen
- §Program in Apoptosis and Cell Death Research, Burnham Institute, La Jolla, CA 92037, U.S.A
| | - Rafael Fridman
- ∥Department of Pathology, Wayne State University, Detroit, MI 48202, U.S.A
| | - M. Sharon Stack
- *Department of Cell and Molecular Biology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, U.S.A
- †Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL 60611, U.S.A
- ¶Department of Pathology and Anatomical Sciences, University of Missouri School of Medicine, Columbia, MO 65212, U.S.A
- To whom correspondence should be addressed (email )
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Gossas T, Danielson U. Characterization of Ca2+ interactions with matrix metallopeptidase-12: implications for matrix metallopeptidase regulation. Biochem J 2006; 398:393-8. [PMID: 16737445 PMCID: PMC1559459 DOI: 10.1042/bj20051933] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Matrix metallopeptidase-12 (MMP-12) binds three calcium ions and a zinc ion, in addition to the catalytic zinc ion. These ions are thought to have a structural role, stabilizing the active conformation of the enzyme. To characterize the importance of Ca2+ binding for MMP-12 activity and the properties of the different Ca2+ sites, the activity as a function of [Ca2+] and the effect of pH was investigated. The enzymatic activity was directly correlated to calcium binding and a Langmuir isotherm for three binding sites described the activity as a function of [Ca2+]. The affinities for two of the binding sites were quantified at several pH values. At pH 7.5, the KD was 0.1 mM for the high-affinity binding site, 5 mM for the intermediate-affinity binding site and >100 mM for the low-affinity binding site. For all three sites, the affinity for calcium decreased with reduced pH, in accordance with the loss of interactions upon protonation of the calcium-co-ordinating aspartate and glutamate carboxylates at acidic pH. The pKa values of the calcium binding sites with the highest and intermediate affinities were determined to be 4.3 and 6.5 respectively. Optimal pH for catalysis was above 7.5. The low-, intermediate- and high-affinity binding sites were assigned on the basis of analysis of three-dimensional-structures of MMP-12. The strong correlation between MMP-12 activity and calcium binding for the physiologically relevant [Ca2+] and pH ranges studied suggest that Ca2+ may be involved in controlling the activity of MMP-12.
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Affiliation(s)
- Thomas Gossas
- Department of Biochemistry and Organic Chemistry, Uppsala University, Uppsala, Sweden
| | - U. Helena Danielson
- Department of Biochemistry and Organic Chemistry, Uppsala University, Uppsala, Sweden
- To whom correspondence should be addressed (email )
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31
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Ottaviano AJ, Sun L, Ananthanarayanan V, Munshi HG. Extracellular matrix-mediated membrane-type 1 matrix metalloproteinase expression in pancreatic ductal cells is regulated by transforming growth factor-beta1. Cancer Res 2006; 66:7032-40. [PMID: 16849548 DOI: 10.1158/0008-5472.can-05-4421] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is associated with an intense fibrotic reaction around the tumor known as desmoplastic reaction. This tissue is composed of interstitial matrix, predominantly type I collagen, together with proliferating fibroblastic cells. Despite the recognized importance of tumor-stromal interactions, very little is known about the interactions among pancreatic cells, myofibroblasts, and the interstitial matrix. The current study was undertaken to test the hypothesis that the desmoplastic reaction alters PDAC gene expression and cellular behavior. Evaluation of human pancreatic specimens showed increased fibrosis and enhanced membrane type 1-matrix metalloproteinase (MT1-MMP) expression in tumor specimens compared with normal pancreas. Using an in vitro model of tumor cell-stromal interactions, type I collagen and the extracellular matrix deposited by pancreatic fibroblasts and PDAC cells regulated motility of human papillomavirus-immortalized human pancreatic ductal epithelial (HPDE) cells. These "stromal" matrices also regulated MT1-MMP expression by HPDE cells, without affecting the expression of tissue inhibitor of metalloproteinase 2. Treatment with transforming growth factor-beta1 (TGF-beta1) type I receptor kinase inhibitors and function-blocking anti-TGF-beta1 antibody abrogated matrix-mediated MT1-MMP induction. TGF-beta1 also promoted MT1-MMP-dependent migration by HPDE cells. Moreover, compared with normal tissue, there was increased TGF-beta1 signaling in grade 3 tumor specimens as shown by increased phospho-Smad2 staining. These data show that the crosstalk between cancer cells and stromal elements mediated by TGF-beta1 influences cell surface- and pericellular matrix-degrading potential in vitro and may contribute to pancreatic cancer progression in vivo.
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Affiliation(s)
- Adam J Ottaviano
- Division of Hematology/Oncology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
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32
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Abstract
A predominant characteristic of metastatic cells is the ability to invade host tissues and establish distant metastatic foci. Release of metastatic cells from a primary tumor results from disruption of tissue architecture and requires reversible modulation of cell-matrix and cell-cell contacts, cytoskeletal rearrangement, and acquisition of enhanced proteolytic potential. Malignant cells produce a spectrum of extracellular proteinases including matrix metalloproteinases (MMPs) that process extracellular matrix components, cell surface proteins, and immune modulators. Dysregulated proteolysis has been implicated in tumor invasion and metastasis in multiple model systems. This review will focus on data that highlight the influence of cell-matrix and cell-cell interactions and their associated signal transduction pathways on proteinase regulation. These data highlight cell adhesion signaling as a mechanism for a versatile cellular proteolytic response to changing microenvironmental cues.
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Affiliation(s)
- H G Munshi
- Division of Hematology/Oncology; Department of Medicine; Robert H. Lurie Comprehensive Cancer Center, Jesse Brown VA Medical Center, Northwestern University Feinberg Medical School, Chicago, IL 60611, USA
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Lee C, Lee J, Choi YA, Kang SS, Baek SH. cAMP elevating agents suppress secretory phospholipase A(2)-induced matrix metalloproteinase-2 activation. Biochem Biophys Res Commun 2006; 340:1278-83. [PMID: 16414357 DOI: 10.1016/j.bbrc.2005.12.136] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2005] [Accepted: 12/18/2005] [Indexed: 11/29/2022]
Abstract
Phospholipase A2 proteins are major regulators of the arachidonic acid cascade and are involved in various cellular responses. Previously, we reported that group IB PLA2 proteins stimulate MMP-2 activation and subsequent cell migration. Here, we describe a novel mechanism whereby sPLA2-induced proMMP-2 activation is regulated by intracellular cAMP in HT1080 cells, although sPLA2 itself had no effect on the regulation of cAMP levels. Exogenous dibutyryl cAMP (a cAMP analogue) strongly inhibited proMMP-2 activation, and cAMP elevating agents, namely, cholera toxin (a Gs activator) and forskolin (an adenylyl cyclase activator), abrogated basal and sPLA2-induced proMMP-2 activation. We also found that the down-regulation of TIMP-2 expression and extracellular signal-regulated kinase (ERK)1/2 activation by sPLA2 were blocked by increasing the intracellular cAMP level. Taken together, our data indicate that sPLA2-induced proMMP-2 activation is influenced by intracellular cAMP levels via the modulations of TIMP-2 expression and ERK1/2 activation.
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Affiliation(s)
- Chuhee Lee
- Department of Biochemistry and Molecular Biology, College of Medicine, Yeungnam University, Daegu 705-035, South Korea; Aging-Associated Vascular Disease Research Center, Daegu 705-035, South Korea
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van Waveren C, Sun Y, Cheung HS, Moraes CT. Oxidative phosphorylation dysfunction modulates expression of extracellular matrix--remodeling genes and invasion. Carcinogenesis 2005; 27:409-18. [PMID: 16221732 PMCID: PMC2778475 DOI: 10.1093/carcin/bgi242] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
A number of recent studies suggest that mitochondrial function is a player in tumor development and progression. In this study, we have used gene expression arrays to examine transcriptional differences between oxidative phosphorylation (OXPHOS)-competent and OXPHOS-impaired human osteosarcoma cells. Genes associated with extracellular matrix remodeling, including members of the matrix metalloproteinases (MMPs) and tissue inhibitors of the MMP (TIMP) family, urokinase plasminogen activator and its inhibitor plasminogen-activator inhibitor-1 (PAI1), and CTGF and CYR61 (members of the Cysteine-rich 61, Connective Tissue Growth Factor and Nephroblastoma-overexpressed (CCN) gene family of growth regulators), were among the ones significantly altered in the OXPHOS-deficient cells. These changes were confirmed by RT-PCR and promoter reporter assays. Alterations at the protein level for some of these factors were also observed, though at a lower magnitude, with the exception of TIMP1, where a marked change in steady-state levels of the protein was observed after induction of OXPHOS dysfunction. Repopulation of mitochondrial DNA (mtDNA)-less cells with wild-type mtDNA reduced matrigel invasion, whereas repopulation with a mutated mtDNA did not. Taken together our data suggests that OXPHOS dysfunction modulates the invasive phenotype by transcriptional regulation of genes coding for members of the MMP/TIMP system, urokinase plasminogen activator/plasminogen-activator inhibitor I and CCN proteins.
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Affiliation(s)
- Corina van Waveren
- Department of Cell Biology and Anatomy, University of Miami School of Medicine, Miami, FL 33136, USA
| | - Yubo Sun
- Department of Medicine, University of Miami School of Medicine, Miami, FL 33136, USA
| | - Herman S. Cheung
- Department of Medicine, University of Miami School of Medicine, Miami, FL 33136, USA
| | - Carlos T. Moraes
- Department of Cell Biology and Anatomy, University of Miami School of Medicine, Miami, FL 33136, USA
- Department of Neurology, University of Miami School of Medicine, Miami, FL 33136, USA
- To whom correspondence should be addressed at: Department of Cell Biology and Anatomy, University of Miami School of Medicine, 1095 NW 14th Terrace, Miami, FL 33136, USA. Tel: +1 305 243 5858; Fax: +1 305 243 3914;
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Huang JK, Huang CJ, Chen WC, Liu SI, Hsu SS, Chang HT, Tseng LL, Chou CT, Chang CH, Jan CR. Independent [Ca2+]i increases and cell proliferation induced by the carcinogen safrole in human oral cancer cells. Naunyn Schmiedebergs Arch Pharmacol 2005; 372:88-94. [PMID: 16080004 DOI: 10.1007/s00210-005-1086-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2005] [Accepted: 07/14/2005] [Indexed: 11/30/2022]
Abstract
The effect of the carcinogen safrole on intracellular Ca2+ movement and cell proliferation has not been explored previously. The present study examined whether safrole could alter Ca2+ handling and growth in human oral cancer OC2 cells. Cytosolic free Ca2+ levels ([Ca2+]i) in populations of cells were measured using fura-2 as a fluorescent Ca2+ probe. Safrole at a concentration of 325 microM started to increase [Ca2+]i in a concentration-dependent manner. The Ca2+ signal was reduced by 40% by removing extracellular Ca2+, and was decreased by 39% by nifedipine but not by verapamil or diltiazem. In Ca2+-free medium, after pretreatment with 650 microM safrole, 1 microM thapsigargin (an endoplasmic reticulum Ca2+ pump inhibitor) barely induced a [Ca2+]i rise; in contrast, addition of safrole after thapsigargin treatment induced a small [Ca2+]i rise. Neither inhibition of phospholipase C with 2 microM U73122 nor modulation of protein kinase C activity affected safrole-induced Ca2+ release. Overnight incubation with 1 microM safrole did not alter cell proliferation, but incubation with 10-1000 microM safrole increased cell proliferation by 60+/-10%. This increase was not reversed by pre-chelating Ca2+ with 10 microM of the Ca2+ chelator BAPTA. Collectively, the data suggest that in human oral cancer cells, safrole induced a [Ca2+]i rise by causing release of stored Ca2+ from the endoplasmic reticulum in a phospholipase C- and protein kinase C-independent fashion and by inducing Ca2+ influx via nifedipine-sensitive Ca2+ entry. Furthermore, safrole can enhance cell growth in a Ca2+-independent manner.
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Affiliation(s)
- Jong-Khing Huang
- Department of Surgery, Kaohsiung Veterans General Hospital, Kaohsiung, 813, Taiwan
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Mukhopadhyay S, Munshi HG, Kambhampati S, Sassano A, Platanias LC, Stack MS. Calcium-induced Matrix Metalloproteinase 9 Gene Expression Is Differentially Regulated by ERK1/2 and p38 MAPK in Oral Keratinocytes and Oral Squamous Cell Carcinoma. J Biol Chem 2004; 279:33139-46. [PMID: 15180997 DOI: 10.1074/jbc.m405194200] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Matrix metalloproteinases (MMPs) play an important role in the invasive behavior of a number of cancers including oral squamous cell cancer (OSCC), and increased expression of MMP-9 is correlated with invasive and metastatic OSCC. Because calcium is an important regulator of keratinocyte function, the effect of modulating extracellular calcium on MMP-9 expression in OSCC cell lines was evaluated. Increasing extracellular calcium induced a dose-dependent increase in MMP-9 expression in immortalized normal and premalignant oral keratinocytes, but not in two highly invasive OSCC cell lines. Differential activation of MAPK signaling was also induced by calcium. p38 MAPK activity was down-regulated, whereas ERK1/2 activity was enhanced. Pharmacologic inhibition of p38 MAPK activity or expression of a catalytically inactive mutant of the upstream kinase MAPK kinase 3 (MKK3) increased the calcium induced MMP-9 gene expression, demonstrating that p38 MAPK activity negatively regulated this process. Interestingly blocking p38 MAPK activity enhanced ERK1/2 phosphorylation, suggesting reciprocal regulation between the ERK1/2 and p38 MAPK pathways. Together these data support a model wherein calcium-induced MMP-9 expression is differentially regulated by the ERK1/2 and p38 MAPK pathways in oral keratinocytes, and the data suggest that a loss of this regulatory mechanism accompanies malignant transformation of the oral epithelium.
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Affiliation(s)
- Subhendu Mukhopadhyay
- Department of Cell and Molecular Biology, Northwestern University, Chicago, Illinois 60611, USA
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37
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Munshi HG, Wu YI, Mukhopadhyay S, Ottaviano AJ, Sassano A, Koblinski JE, Platanias LC, Stack MS. Differential regulation of membrane type 1-matrix metalloproteinase activity by ERK 1/2- and p38 MAPK-modulated tissue inhibitor of metalloproteinases 2 expression controls transforming growth factor-beta1-induced pericellular collagenolysis. J Biol Chem 2004; 279:39042-50. [PMID: 15247230 DOI: 10.1074/jbc.m404958200] [Citation(s) in RCA: 116] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Acquisition of matrix metalloproteinase-2 (MMP-2) activity is temporally associated with increased migration and invasiveness of cancer cells. ProMMP-2 activation requires multimolecular complex assembly involving proMMP-2, membrane type 1-MMP (MT1-MMP, MMP-14), and tissue inhibitor of metalloproteinases-2 (TIMP-2). Because transforming growth factor-beta1 (TGF-beta1) promotes tumor invasion in advanced squamous cell carcinomas, the role of TGF-beta1 in the regulation of MMP activity in a cellular model of invasive oral squamous cell carcinoma was examined. Treatment of oral squamous cell carcinoma cells with TGF-beta1 promoted MMP-dependent cell scattering and collagen invasion, increased expression of MMP-2 and MT1-MMP, and enhanced MMP-2 activation. TGF-beta1 induced concomitant activation of ERK1/2 and p38 MAPK, and kinase inhibition studies revealed a negative regulatory role for ERK1/2 in modulating acquisition of MMP-2 activity. Thus, a reciprocal effect on proMMP-2 activation was observed whereupon blocking ERK1/2 phosphorylation promoted proMMP-2 activation and MT1-MMP activity, whereas inhibiting p38 MAPK activity decreased proteolytic potential. The cellular mechanism for the control of MT1-MMP catalytic activity involved concurrent reciprocal modulation of TIMP-2 expression by ERK1/2 and p38 MAPKs, such that inhibition of ERK1/2 phosphorylation decreased TIMP-2 production, and down-regulation of p38 MAPK activity enhanced TIMP-2 synthesis. Further, p38 MAPK inhibition promoted ERK1/2 phosphorylation, providing additional evidence for cross-talk between MAPK pathways. These observations demonstrate the complex reciprocal effects of ERK1/2 and p38 MAPK in the regulation of MMP activity, which could complicate the use of MAPK-specific inhibitors as therapeutic agents to down-regulate the biologic effects of TGF-beta1 on pericellular collagen degradation and tumor invasion.
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Affiliation(s)
- Hidayatullah G Munshi
- Division of Hematology/Oncology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
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Choi YA, Lim HK, Kim JR, Lee CH, Kim YJ, Kang SS, Baek SH. Group IB secretory phospholipase A2 promotes matrix metalloproteinase-2-mediated cell migration via the phosphatidylinositol 3-kinase and Akt pathway. J Biol Chem 2004; 279:36579-85. [PMID: 15220345 DOI: 10.1074/jbc.m314235200] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Secretory phospholipase A(2) (sPLA(2)), abundantly expressed in various cells including fibroblasts, is able to promote proliferation and migration. Degradation of collagenous extracellular matrix by matrix metalloproteinase (MMP) plays a role in the pathogenesis of various destructive disorders, such as rheumatoid arthritis, tumor invasion, and metastasis. Here we show that group IB PLA(2) increased pro-MMP-2 activation in NIH3T3 fibroblasts. MMP-2 activity was stimulated by group IB PLA(2) in a dose- and time-dependent manner. Consistent with MMP-2 activation, sPLA(2) decreased expression of type IV collagen. These effects are due to the reduction of tissue inhibitor of metalloproteinase-2 (TIMP-2) and the activation of the membrane type1-MMP (MT1-MMP). The decrease of TIMP-2 levels in conditioned media and the increase of MT1-MMP levels in plasma membrane were observed. In addition, treatment of cells with decanoyl Arg-Val-Lys-Arg-chloromethyl ketone, an inhibitor of pro-MT1-MMP, suppressed sPLA(2)-mediated MMP-2 activation, whereas treatment with bafilomycin A1, an inhibitor of H(+)-ATPase, sustained MMP-2 activation by sPLA(2). The involvement of phosphatidylinositol 3-kinase (PI3K) and Akt in the regulation of MMP-2 activity was further suggested by the findings that PI3K and Akt were phosphorylated by sPLA(2). Expression of p85alpha and Akt mutants, or pretreatment of cells with LY294002, a PI3K inhibitor, attenuated sPLA(2)-induced MMP-2 activation and migration. Taken together, these results suggest that sPLA(2) increases the pro-MMP-2 activation and migration of fibroblasts via the PI3K and Akt-dependent pathway. Because MMP-2 is an important factor directly involved in the control of cell migration and the turnover of extracellular matrix, our study may provide a mechanism for sPLA(2)-promoted fibroblasts migration.
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Affiliation(s)
- Young-Ae Choi
- Department of Biochemistry and Molecular Biology, Yeungnam University, 317-1 Daemyung 5-Dong, Nam-Gu, Daegu 705-717, South Korea
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DeClerck YA, Mercurio AM, Stack MS, Chapman HA, Zutter MM, Muschel RJ, Raz A, Matrisian LM, Sloane BF, Noel A, Hendrix MJ, Coussens L, Padarathsingh M. Proteases, extracellular matrix, and cancer: a workshop of the path B study section. THE AMERICAN JOURNAL OF PATHOLOGY 2004; 164:1131-9. [PMID: 15039201 PMCID: PMC1615345 DOI: 10.1016/s0002-9440(10)63200-2] [Citation(s) in RCA: 163] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The role of the extracellular matrix (ECM) in the tumor microenvironment is not limited to being a barrier against tumor invasion. The ECM is a reservoir of cell binding proteins and growth factors that affect tumor cell behavior. It is also substantially modified by proteases produced by tumor cells or stroma cells. As a result of the activity of these proteases, cell-cell and cell-ECM interactions are altered, new biologically active ECM molecules are generated, and the bioavailability and activity of many growth factors, growth factor receptors, and cytokines are modified. ECM-degrading proteases also play a critical role in angiogenesis, where they can act as positive as well as negative regulators of endothelial cell proliferation and vascular morphogenesis. This review article summarizes some of the most relevant findings made over the recent years that were discussed at a workshop organized by the Path B Study Section of the National Institutes of Health in October 2002.
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Affiliation(s)
- Yves A DeClerck
- Department of Pediatrics and Biochemistry, University of Southern California Keck School of Medicine and The Saban Research Institute of Childrens Hospital Los Angeles, Los Angeles, California 90027, USA.
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40
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Ntayi C, Labrousse AL, Debret R, Birembaut P, Bellon G, Antonicelli F, Hornebeck W, Bernard P. Elastin-Derived Peptides Upregulate Matrix Metalloproteinase-2-ediated Melanoma Cell Invasion Through Elastin-Binding Protein. J Invest Dermatol 2004; 122:256-65. [PMID: 15009703 DOI: 10.1046/j.0022-202x.2004.22228.x] [Citation(s) in RCA: 64] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Type I collagen mediates melanoma cells invasion through upregulation of matrix metalloproteinases-1 and -2 (MMP-1 and -2) expression and activation. We investigated here the contribution of elastin-derived peptides (ED), degradation products of elastin, the main component of elastic fibers in melanoma cells invasion and MMP-1 and -2 expression. Our results evidenced fragmentation of elastin at the invasive front of melanoma, particularly in the most invasive tumors where those fibers nearly totally vanished. By electron microscopy, elastolysis was found to occur mainly at the periphery of melanoma cells, where close contact between elastic fibers and cells could be noticed. Therefore, we showed in vitro that plating melanoma cells high tumorigenic potential on ED-coated dishes, selectively enhanced MMP-2, as membrane-type MMP-1 (MT1-MMP) production and activation. Nevertheless, pro-MMP-2 activation was not observed owing to the parallel increase in tissue inhibitor of metalloproteinase (TIMP)-2 expression. The effects of ED on melanoma cells were found to be mediated by splicing form of beta-galactosidase (S-Gal) occupancy, as being suppressed by lactose. Supplementing collagen lattices with ED led to consistent activation of MMP-2 that can be attributed to TIMP-2 downregulation. Upregulation of MMP-2 activation by ED led to enhanced melanoma cells invasion through S-Gal occupancy. Immunohistochemistry studies, confirmed that S-Gal expression was more prominent at the melanoma invasion site associated with a strong expression of MMP-2 and MT1-MMP. We hypothesize that ED following interactions with S-Gal elastin receptor can favor melanoma cells invasion through a three-dimensional type I collagen matrix by upregulating MMP-2 activation.
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Affiliation(s)
- Carole Ntayi
- Department of Dermatology, CNRS FRE 2534, Faculty of Medicine, University of Reims, Champagne-Ardenne, France
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Wu YI, Munshi HG, Sen R, Snipas SJ, Salvesen GS, Fridman R, Stack MS. Glycosylation Broadens the Substrate Profile of Membrane Type 1 Matrix Metalloproteinase. J Biol Chem 2004; 279:8278-89. [PMID: 14670950 DOI: 10.1074/jbc.m311870200] [Citation(s) in RCA: 70] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Membrane type 1 matrix metalloproteinase (MT1-MMP) is a collagenolytic enzyme that has been implicated in normal development and in pathological processes such as cancer metastasis. The activity of MT1-MMP is regulated extensively at the post-translational level, and the current data support the hypothesis that MT1-MMP activity is modulated by glycosylation. Enzymatic deglycosylation, site-directed mutagenesis, and lectin precipitation assays were used to demonstrate that MT1-MMP contains O-linked complex carbohydrates on the Thr(291), Thr(299), Thr(300), and/or Ser(301) residues in the proline-rich linker region. MT1-MMP glycoforms were detected in human cancer cell lines, suggesting that MT1-MMP activity may be regulated by differential glycosylation in vivo. Although the autolytic processing and interstitial collagenase activity of MT1-MMP were not impaired in glycosylation-deficient mutants, cell surface MT1-MMP-catalyzed activation of pro-matrix metalloproteinase-2 (proMMP-2) required proper glycosylation of MT1-MMP. The inability of carbohydrate-free MT1-MMP to activate proMMP-2 was not a result of defective MT1-MMP zymogen activation, aberrant protein stability, or inability of the mature enzyme to oligomerize. Rather, our data support a mechanism whereby glycosylation affects the recruitment of tissue inhibitor of metalloproteinases-2 (TIMP-2) to the cell surface, resulting in defective formation of the MT1-MMP/TIMP-2/proMMP-2 trimeric activation complex. These data provide evidence for an additional mechanism for post-translational control of MT1-MMP activity and suggest that glycosylation of MT1-MMP may regulate its substrate targeting.
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Affiliation(s)
- Yi I Wu
- Department of Cell & Molecular Biology and Division of Hematology/Oncology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
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Zucker S, Hymowitz M, Conner C, DeClerck Y, Cao J. TIMP-2 is released as an intact molecule following binding to MT1-MMP on the cell surface. Exp Cell Res 2004; 293:164-74. [PMID: 14729066 DOI: 10.1016/j.yexcr.2003.10.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Binding of tissue inhibitor of metalloproteinase-2 (TIMP-2) to pro-MMP-2 and mature membrane type-1 MMP (MT1-MMP) on the cell surface is required for activation of MMP-2. It has been reported that following binding to cell surface receptors, TIMP-2 undergoes endocytosis and extensive degradation in lysosomes. The purpose of this study was to reexamine the fate of TIMP-2 following binding to transfected HT1080 cell surface MT1-MMP at 4 degrees C. Following 37 degrees C incubation, 125I-TIMP-2 release, endocytosis, and degradation were characterized under varying conditions. More than 85% of the total 125I-TIMP-2 bound to cells was released as intact functional molecules; <15% was degraded. Transfection of HT1080 cells with dominant negative mutant dynamin cDNA resulted in delayed endocytosis and release of 125I-TIMP-2 from cells. Pharmacologic agents that induce clustering of cell surface receptors (concanavalin A) and interfere with endosomal/lysosomal function (bafilomycin A(1)) resulted in enhanced binding of 125I-TIMP-2 to cell surface receptors. Abrogation of activation of proMT1-MMP with a furin inhibitor prevented binding and endocytosis of 125I-TIMP-2. Biotinylation of cell surface MT1-MMP followed by Western blotting confirmed the presence of mature MT1-MMP on the cell surface and degraded MT1-MMP in the intracellular compartment. In conclusion, these studies demonstrate that TIMP-2 is released from cells primarily as an intact functional molecule following binding to MT1-MMP on the cell surface.
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Affiliation(s)
- Stanley Zucker
- Department of Research, Veterans Affairs Medical Center, Northport, NY 11768, USA.
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Sadowski T, Dietrich S, Koschinsky F, Sedlacek R. Matrix metalloproteinase 19 regulates insulin-like growth factor-mediated proliferation, migration, and adhesion in human keratinocytes through proteolysis of insulin-like growth factor binding protein-3. Mol Biol Cell 2003; 14:4569-80. [PMID: 12937269 PMCID: PMC266773 DOI: 10.1091/mbc.e03-01-0009] [Citation(s) in RCA: 78] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Unlike most other matrix metalloproteinases (MMPs) MMP-19 is expressed in undifferentiated basal keratinocytes of healthy human skin. The human keratinocyte cell line HaCaT, which like basal keratinocytes constitutively expresses MMP-19, down-regulated the expression of MMP-19 at high calcium concentrations. Calcium-regulation occurred through E-cadherin mediated cell-cell contacts because neutralizing anti-E-cadherin antibodies restored MMP-19 expression in high calcium. Overexpression of MMP-19 in HaCaT cells (HaCaT-WT) increased cellular proliferation, as well as migration and adhesion on type I collagen. This was due to proteolysis of the insulin-like growth factor (IGF) binding protein-3 by MMP-19, which augmented signaling through the IGF-I receptor, as evidenced by its increased autophosphorylation. Conversely, these effects were not observed in cells transfected with MMP-2 or a catalytically inactive MMP-19 mutant. As further proof that increased IGF-signaling promoted adhesion and migration in HaCaT-WT cells, we reproduced these effects by treating parental HaCaT with IGF-I. We observed dephosphorylation of the focal adhesion kinase in HaCaT-WT as well as IGF-I-treated HaCaT cells, suggesting that inactivating focal adhesion kinase is a mechanism by which IGF-I enhances adhesion. Furthermore, IGF-I-triggered motility on type I collagen was mediated by MMP activity, which, however, was distinct from MMP-19. Considering the coexpression of IGFBP-3 and MMP-19 in the skin, we conclude that MMP-19 is a likely candidate to be the major IGFBP-3 degrading MMP in the quiescent epidermis. This activity might have widespread consequences for the behavior of epidermal keratinocytes.
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Affiliation(s)
- Thorsten Sadowski
- Institute of Biochemistry, Christian-Albrechts-University of Kiel, D-24118 Kiel, Germany
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Remacle A, Murphy G, Roghi C. Membrane type I-matrix metalloproteinase (MT1-MMP) is internalised by two different pathways and is recycled to the cell surface. J Cell Sci 2003; 116:3905-16. [PMID: 12915589 DOI: 10.1242/jcs.00710] [Citation(s) in RCA: 212] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Membrane type 1-matrix metalloproteinase (MT1-MMP) is an integral type I transmembrane multidomain zinc-dependent endopeptidase involved in extracellular matrix remodelling in physiological as well as pathological processes. MT1-MMP participates in the regulated turnover of various extracellular matrix components as well as the activation of secreted metalloproteinases and the cleavage of various cell membrane components. MT1-MMP expression has been reported to correlate with the malignancy of various tumour types and is thought to be an important mediator of cell migration and invasion. Recently, it has been proposed that internalisation of the enzyme from the cell surface is a major short-term level of MT1-MMP regulation controlling the net amount of active enzyme present at the plasma membrane. In this paper we show that, in HT1080 fibrosarcoma cells, MT1-MMP is internalised from the cell surface and colocalises with various markers of the endocytic compartment. Interestingly, we observed that in these cells, internalisation occurs by a combination of both clathrin-mediated and -independent pathways, most probably involving caveolae. In addition, internalised MT1-MMP is recycled to the cell surface, which could, in addition to downregulation of the enzymatic activity, represent a rapid response mechanism used by the cell for relocalising active MT1-MMP at the leading edge during migration.
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Affiliation(s)
- Albert Remacle
- School of Biological Sciences, University of East Anglia, Norwich NR4 7TJ, UK
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Hackam DJ, Ford HR. Cellular, Biochemical, and Clinical Aspects of Wound Healing. Surg Infect (Larchmt) 2002. [DOI: 10.1089/10962960260496316] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
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