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Capaci V, Kharrat F, Conti A, Salviati E, Basilicata MG, Campiglia P, Balasan N, Licastro D, Caponnetto F, Beltrami AP, Monasta L, Romano F, Di Lorenzo G, Ricci G, Ura B. The Deep Proteomics Approach Identified Extracellular Vesicular Proteins Correlated to Extracellular Matrix in Type One and Two Endometrial Cancer. Int J Mol Sci 2024; 25:4650. [PMID: 38731868 PMCID: PMC11083465 DOI: 10.3390/ijms25094650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 04/19/2024] [Accepted: 04/20/2024] [Indexed: 05/13/2024] Open
Abstract
Among gynecological cancers, endometrial cancer is the most common in developed countries. Extracellular vesicles (EVs) are cell-derived membrane-surrounded vesicles that contain proteins involved in immune response and apoptosis. A deep proteomic approach can help to identify dysregulated extracellular matrix (ECM) proteins in EVs correlated to key pathways for tumor development. In this study, we used a proteomics approach correlating the two acquisitions-data-dependent acquisition (DDA) and data-independent acquisition (DIA)-on EVs from the conditioned medium of four cell lines identifying 428 ECM proteins. After protein quantification and statistical analysis, we found significant changes in the abundance (p < 0.05) of 67 proteins. Our bioinformatic analysis identified 26 pathways associated with the ECM. Western blotting analysis on 13 patients with type 1 and type 2 EC and 13 endometrial samples confirmed an altered abundance of MMP2. Our proteomics analysis identified the dysregulated ECM proteins involved in cancer growth. Our data can open the path to other studies for understanding the interaction among cancer cells and the rearrangement of the ECM.
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Affiliation(s)
- Valeria Capaci
- Institute for Maternal and Child Health—IRCCS Burlo Garofolo, 65/1 Via dell’Istria, 34137 Trieste, Italy (F.K.); (A.C.); (N.B.); (F.R.); (G.D.L.); (G.R.); (B.U.)
| | - Feras Kharrat
- Institute for Maternal and Child Health—IRCCS Burlo Garofolo, 65/1 Via dell’Istria, 34137 Trieste, Italy (F.K.); (A.C.); (N.B.); (F.R.); (G.D.L.); (G.R.); (B.U.)
| | - Andrea Conti
- Institute for Maternal and Child Health—IRCCS Burlo Garofolo, 65/1 Via dell’Istria, 34137 Trieste, Italy (F.K.); (A.C.); (N.B.); (F.R.); (G.D.L.); (G.R.); (B.U.)
| | - Emanuela Salviati
- Department of Pharmacy, University of Salerno, 84084 Salerno, Italy; (E.S.); (P.C.)
| | - Manuela Giovanna Basilicata
- Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy;
| | - Pietro Campiglia
- Department of Pharmacy, University of Salerno, 84084 Salerno, Italy; (E.S.); (P.C.)
| | - Nour Balasan
- Institute for Maternal and Child Health—IRCCS Burlo Garofolo, 65/1 Via dell’Istria, 34137 Trieste, Italy (F.K.); (A.C.); (N.B.); (F.R.); (G.D.L.); (G.R.); (B.U.)
| | | | - Federica Caponnetto
- Department of Medicine, University of Udine, 33100 Udine, Italy; (F.C.); (A.P.B.)
| | - Antonio Paolo Beltrami
- Department of Medicine, University of Udine, 33100 Udine, Italy; (F.C.); (A.P.B.)
- Azienda Sanitaria Universitaria Friuli Centrale, 33100 Udine, Italy
| | - Lorenzo Monasta
- Institute for Maternal and Child Health—IRCCS Burlo Garofolo, 65/1 Via dell’Istria, 34137 Trieste, Italy (F.K.); (A.C.); (N.B.); (F.R.); (G.D.L.); (G.R.); (B.U.)
| | - Federico Romano
- Institute for Maternal and Child Health—IRCCS Burlo Garofolo, 65/1 Via dell’Istria, 34137 Trieste, Italy (F.K.); (A.C.); (N.B.); (F.R.); (G.D.L.); (G.R.); (B.U.)
| | - Giovanni Di Lorenzo
- Institute for Maternal and Child Health—IRCCS Burlo Garofolo, 65/1 Via dell’Istria, 34137 Trieste, Italy (F.K.); (A.C.); (N.B.); (F.R.); (G.D.L.); (G.R.); (B.U.)
| | - Giuseppe Ricci
- Institute for Maternal and Child Health—IRCCS Burlo Garofolo, 65/1 Via dell’Istria, 34137 Trieste, Italy (F.K.); (A.C.); (N.B.); (F.R.); (G.D.L.); (G.R.); (B.U.)
- Department of Medicine, Surgery and Health Sciences, University of Trieste, 34149 Trieste, Italy
| | - Blendi Ura
- Institute for Maternal and Child Health—IRCCS Burlo Garofolo, 65/1 Via dell’Istria, 34137 Trieste, Italy (F.K.); (A.C.); (N.B.); (F.R.); (G.D.L.); (G.R.); (B.U.)
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Jiang YR, Yoshida A, Sun XM, Higashitani H, Yamada K, Miyazaki R, Noguchi E, Kuwahara K, Osatomi K. Identification of a Tissue Inhibitor of Metalloproteinase-2: An Endogenous Inhibitor of Modori-Inducing Insoluble Metalloproteinase from Yellowtail Seriola quinqueradiata Muscle. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:3414-3423. [PMID: 36753295 DOI: 10.1021/acs.jafc.2c07803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The existence of an endogenous protease inhibitor (EPI) was expected from the comparison of the gel properties between washed and nonwashed yellowtail surimi gels. A possible candidate, tissue inhibitor of metalloproteinase-2 (TIMP-2), was partially purified from the soluble fraction of yellowtail muscle, and an 18 kDa protein band was detected by sodium dodecyl-sulfate polyacrylamide gel electrophoresis (SDS-PAGE) under nonreducing conditions and western blot analysis. Its N-terminal amino acid sequence was determined as XSXSPAHPQQAF, with high homology to TIMP-2 from other fish species, suggesting that it was identified as yellowtail TIMP-2. Subsequently, full-length cDNA of two isoforms (TIMP-2a and TIMP-2b) was successfully cloned from yellowtail muscle. The N-terminal sequence of purified TIMP-2 completely corresponded to TIMP-2b. When the surimi gel quality decreased after spawning, the mRNA expression of TIMP-2b also decreased. Human TIMP-2 could inhibit autolysis of myofibrillar proteins from yellowtail muscle. Thus, TIMP-2b was considered the major EPI of the modori-inducing insoluble metalloproteinase in yellowtail muscle.
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Affiliation(s)
- Yan-Rong Jiang
- Graduate School of Fisheries and Environmental Sciences, Nagasaki University, Nagasaki 852-8521, Japan
| | - Asami Yoshida
- Graduate School of Fisheries and Environmental Sciences, Nagasaki University, Nagasaki 852-8521, Japan
| | - Xiao-Mi Sun
- Graduate School of Fisheries and Environmental Sciences, Nagasaki University, Nagasaki 852-8521, Japan
| | | | - Kairi Yamada
- Nagasaki Prefectural Institute of Fisheries, Nagasaki 851-2213, Japan
| | - Riho Miyazaki
- Nagasaki Prefectural Institute of Fisheries, Nagasaki 851-2213, Japan
| | - Erika Noguchi
- Nagasaki Prefectural Institute of Fisheries, Nagasaki 851-2213, Japan
| | - Koichi Kuwahara
- Nagasaki Prefectural Institute of Fisheries, Nagasaki 851-2213, Japan
| | - Kiyoshi Osatomi
- Graduate School of Fisheries and Environmental Sciences, Nagasaki University, Nagasaki 852-8521, Japan
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The Biology and Function of Tissue Inhibitor of Metalloproteinase 2 in the Lungs. Pulm Med 2022; 2022:3632764. [PMID: 36624735 PMCID: PMC9825218 DOI: 10.1155/2022/3632764] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 12/06/2022] [Accepted: 12/07/2022] [Indexed: 01/02/2023] Open
Abstract
Tissue inhibitors of matrix metalloproteinases (TIMP) are a family of four endogenous proteins that primarily function to inhibit the activities of proteases such as the matrix metalloproteinases (MMP). Altered MMP/TIMP ratios are frequently observed in several human diseases. During aging and disease progression, the extracellular matrix (ECM) undergoes structural changes in which elastin and collagens serve an essential role. MMPs and TIMPs significantly influence the ECM. Classically, elevated levels of TIMPs are suggested to result in ECM accumulation leading to fibrosis, whereas loss of TIMP responses leads to enhanced matrix proteolysis. Here, we outline the known roles of the most abundant TIMP, TIMP2, in pulmonary diseases but also discuss future perspectives in TIMP2 research that could impact the lungs. TIMP2 directly inhibits MMPs, in particular MMP2, but TIMP2 is also required for the activation of MMP2 through its interaction with MMP14. The protease and antiprotease imbalance of MMPs and TIMPs are extensively studied in diseases but recent discoveries suggest that TIMPs, specifically, TIMP2 could play other roles in aging and inflammation processes.
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TIMP-2 regulates 5-Fu resistance via the ERK/MAPK signaling pathway in colorectal cancer. Aging (Albany NY) 2022; 14:297-315. [PMID: 35022331 PMCID: PMC8791226 DOI: 10.18632/aging.203793] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 12/03/2021] [Indexed: 12/24/2022]
Abstract
5-Fluorouracil (5-Fu) is the first-line chemotherapeutic option for colorectal cancer. However, its efficacy is inhibited by drug resistance. Cytokines play an important role in tumor drug resistance, even though their mechanisms are largely unknown. Using a cytokine array, we established that tissue inhibitor metalloproteinase 2 (TIMP-2) is highly expressed in 5-Fu resistant colorectal cancer patients. Analysis of samples from 84 patients showed that elevated TIMP-2 expression levels in colorectal patients were correlated with poor prognostic outcomes. In a 5-Fu-resistant patient-derived xenograft (PDX) model, TIMP-2 was also found to be highly expressed. We established an autocrine mechanism through which elevated TIMP-2 protein levels sustained colorectal cancer cell resistance to 5-Fu by constitutively activating the ERK/MAPK signaling pathway. Inhibition of TIMP-2 using an anti-TIMP-2 antibody or ERK/MAPK inhibition by U0126 suppressed TIMP-2 mediated 5-Fu-resistance in CRC patients. In conclusion, a novel TIMP-2-ERK/MAPK mediated 5-Fu resistance mechanism is involved in colorectal cancer. Therefore, targeting TIMP-2 or ERK/MAPK may provide a new strategy to overcome 5-Fu resistance in colorectal cancer chemotherapy.
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Hey S, Ratt A, Linder S. There and back again: Intracellular trafficking, release and recycling of matrix metalloproteinases. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2022; 1869:119189. [PMID: 34973301 DOI: 10.1016/j.bbamcr.2021.119189] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 12/08/2021] [Accepted: 12/09/2021] [Indexed: 12/26/2022]
Abstract
Matrix metalloproteinases are a family of zinc-dependent endopeptidases that are involved in a large variety of proteolytic processes in physiological and pathological scenarios, including immune cell surveillance, tissue homeostasis, or tumor cell metastasis. This is based on their ability to cleave a plethora of substrates that include components of the extracellular matrix, but also cell surface-associated and intracellular proteins. Accordingly, a tight regulatory web has evolved that closely regulates spatiotemporal activity of specific MMPs. An often underappreciated mechanism of MMP regulation involves their trafficking to and from specific subcellular sites that require MMP activity only for a certain period. In this review, we focus on the current knowledge of MMP intracellular trafficking, their secretion or surface exposure, as well as their recycling back from the cell surface. We discuss molecular mechanisms that enable these steps, in particular microtubule-dependent motility of vesicles that is driven by molecular motors and directed by vesicle regulatory proteins. Finally, we also point out open questions in the field of MMP motility that may become important in the future.
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Affiliation(s)
- Sven Hey
- Institute for Medical Microbiology, Virology and Hygiene, University Medical Center Eppendorf, 20246 Hamburg, Germany
| | - Artur Ratt
- Institute for Medical Microbiology, Virology and Hygiene, University Medical Center Eppendorf, 20246 Hamburg, Germany
| | - Stefan Linder
- Institute for Medical Microbiology, Virology and Hygiene, University Medical Center Eppendorf, 20246 Hamburg, Germany.
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Yang Y, Huang Y, Liu H, Zheng Y, Jia L, Li W. Compressive force regulates cementoblast migration via downregulation of autophagy. J Periodontol 2021; 92:128-138. [PMID: 34231875 DOI: 10.1002/jper.20-0806] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 04/12/2021] [Accepted: 06/30/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND Migration of cementoblasts to resorption lacunae is the foundation for repairing root resorption during orthodontic tooth movement. Previous studies reported that autophagy was activated by compression in periodontal ligament cells. The aim of this study was to investigate the migration of cementoblasts and determine whether autophagy is involved in the regulation of cementoblast migration under compressive force. METHODS Flow cytometry was employed to examine the apoptosis of murine cementoblasts (OCCM-30) at different compression times (0, 6, 12, and 24 hours) and magnitudes (0, 1.0, 1.5, and 2.0 g/cm2 ). Cell proliferation was examined using the CCK-8 method. Wound healing migration assays and transwell migration assays were performed to compare the migration of cementoblasts. Chloroquine (CQ) and rapamycin were used to inhibit and activate autophagy, respectively. The level of autophagy was determined using western blotting and immunofluorescence staining. The expression of matrix metalloproteinases (MMPs) was assessed using quantitative reverse transcription polymerase chain reaction (qRT-PCR), western blot analysis, and enzyme-linked immunosorbent assay (ELISA). RESULTS Cell apoptosis and proliferation did not significantly change in OCCM-30 cells under mechanical compression at magnitude of 1.5 g/cm2 for 12 hours. However, the migration of cementoblasts was significantly inhibited after the application of compressive force. MMP2, MMP9, and MMP13 mRNA expression was decreased, and MMP9 and MMP13 protein expression and secretion level were also decreased. Further, autophagic activity was inhibited in cementoblasts under compressive force. Treatment with chloroquine reduced the cellular migration, and rapamycin partially relieved the inhibition of cementoblast migration induced by the compressive force. MMP9 and MMP13 mRNA expression, protein expression, and secretion levels showed a similar trend. CONCLUSION Migration of OCCM-30 cells was inhibited under compressive force partially dependent on the inhibition of MMPs, which was mediated by downregulation of autophagy. The findings provide new insights into the role of autophagy in biological behaviors of cementoblasts under compressive force and a potential therapeutic strategy for reducing external root resorption.
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Affiliation(s)
- Yuhui Yang
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing, China
| | - Yiping Huang
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing, China
| | - Hao Liu
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing, China
| | - Yunfei Zheng
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing, China
| | - Lingfei Jia
- Central Laboratory, Peking University School and Hospital of Stomatology, Beijing, China
| | - Weiran Li
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing, China
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Eckfeld C, Häußler D, Schoeps B, Hermann CD, Krüger A. Functional disparities within the TIMP family in cancer: hints from molecular divergence. Cancer Metastasis Rev 2020; 38:469-481. [PMID: 31529339 DOI: 10.1007/s10555-019-09812-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The members of the tissue inhibitor of metalloproteinase (TIMP) family (TIMP-1, 2, 3, 4) are prominently appreciated as natural inhibitors of cancer-promoting metalloproteinases. However, clinical and recent functional studies indicate that some of them correlate with bad prognosis and contribute to the progression of cancer and metastasis, pointing towards mechanisms beyond inhibition of cancer-promoting proteases. Indeed, it is increasingly recognized that TIMPs are multi-functional proteins mediating a variety of cellular effects including direct cell signaling. Our aim was to provide comprehensive information towards a better appreciation and understanding of the biological heterogeneity and complexity of the TIMPs in cancer. Comparison of all four members revealed distinct cancer-associated expression patterns and distinct prognostic impact including a clear correlation of TIMP-1 with bad prognosis for almost all cancer types. For the first time, we present the interactomes of all TIMPs regarding overlapping and non-overlapping interaction partners. Interestingly, the overlap was maximal for metalloproteinases (e.g., matrix metalloproteinase 1, 2, 3, 9) and decreased for non-protease molecules, especially cell surface receptors (e.g., CD63, overlapping only for TIMP-1 and 4; IGF-1R unique for TIMP-2; VEGFR2 unique for TIMP-3). Finally, we attempted to identify and summarize experimental evidence for common and unique structural traits of the four TIMPs on the basis of amino acid sequence and protein folding, which account for functional disparities. Altogether, the four TIMPs have to be appreciated as molecules with commonalities, but, more importantly, functional disparities, which need to be investigated further in the future, since those determine their distinct roles in cancer and metastasis.
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Affiliation(s)
- Celina Eckfeld
- School of Medicine, Institutes of Molecular Immunology and Experimental Oncology, Technical University of Munich, Ismaninger Str. 22, Munich, 81675, Germany
| | - Daniel Häußler
- School of Medicine, Institutes of Molecular Immunology and Experimental Oncology, Technical University of Munich, Ismaninger Str. 22, Munich, 81675, Germany
| | - Benjamin Schoeps
- School of Medicine, Institutes of Molecular Immunology and Experimental Oncology, Technical University of Munich, Ismaninger Str. 22, Munich, 81675, Germany
| | - Chris D Hermann
- School of Medicine, Institutes of Molecular Immunology and Experimental Oncology, Technical University of Munich, Ismaninger Str. 22, Munich, 81675, Germany
| | - Achim Krüger
- School of Medicine, Institutes of Molecular Immunology and Experimental Oncology, Technical University of Munich, Ismaninger Str. 22, Munich, 81675, Germany.
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Kim J, Lee J. Plasma MMP-9, TIMP-1, and TGF-β1 Responses to Exercise-Induced Muscle Injury. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17020566. [PMID: 31963105 PMCID: PMC7014421 DOI: 10.3390/ijerph17020566] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 01/02/2020] [Accepted: 01/10/2020] [Indexed: 11/16/2022]
Abstract
The purpose of this study was to analyze changes in the levels of matrix metalloproteinase-9 (MMP-9), tissue inhibitor of metalloproteinase-1 (TIMP-1), and transforming growth factor-β1 (TGF-β1) in response to strength recovery after eccentric exercise in humans. In this study, 16 healthy males participated and were divided into a faster recovery (FR) group (n = 8, >80% of baseline) and a slower recovery (SR) group (n = 8, <40% of baseline) on the basis of their recovery of maximal isometric strength (MIS) 96 h after eccentric exercise. For both groups, measurements were taken of muscle soreness, creatine kinase (CK) activity, and MMP-9, TIMP-1, and TGF-β1 levels during the 24- to 96-h period after eccentric muscle contraction of their non-dominant elbow flexor. Muscle soreness (p < 0.001), CK activity (p < 0.01), and TGF-β1 level (p < 0.01) were significantly lower in the FR group compared with SR group, whereas no significant differences in MMP-9 and TIMP-1 levels were found between the two groups (p > 0.05). These results suggest that scar tissue formation caused by the pro-fibrotic activity of growth factors such as TGF-β1 is a potential cause of delay in strength recovery after exercise-induced muscle injury.
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Affiliation(s)
- Jooyoung Kim
- Department of Anatomy, School of Medicine, Kyungpook National University, Daegu 41566, Korea;
- Clinical Omics Institute, Kyungpook National University, Daegu 41566, Korea
| | - Joohyung Lee
- Department of Sport, Health and Rehabilitation, College of Physical Education, Kookmin University, Seoul 02707, Korea
- Correspondence: ; Tel.: +82-2-910-4782; Fax: +82-2-910-4789
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Shafique S, Shafique S, Zameer M, Asif M. Plant Defense System Activated in Chili Plants by Using Extracts from Eucalyptus citriodora. Biocontrol Sci 2019; 24:137-144. [PMID: 31527344 DOI: 10.4265/bio.24.137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
Capsicum annuum L. is infected by Fusarium Wilt and causes significant yield losses in Pakistan. Biological control is an excellent and environment friendly way. Presently, the biocontrol assays were conducted in pot trials using methanolic leaf extract of Eucalyptus citriodora L. where spray of extract prior to infection provided better protection from pathogen with maximum disease control. Further, Native page electrophoresis was performed to find out difference in expression profile of enzyme which revealed that control and T2 (Plant sprayed with Eucalyptus extract) did not exhibit any difference in their isozyme profile signifying no extra load of biological control measure on plant for the production of defense elements until the pathogen arrived. While in case of T3 (Protective treatment) and T4 (Curative treatment) extra isozyme (PO1) was observed in T4 only, PPO1 and PPO5, and PAL 2 and PAL 3 were comprised in higher quantities in T3 and T4 over control exposing the expression of plant metabolism under pathogen attack. The study concludes that the organic extract of E. citriodora have the potential to restrain the disastrous effects of pathogenic fungi. It will lead to the different aspect of biocontrol to suppress the plant pathogenic fungi in a broad spectrum.
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Affiliation(s)
- Sobiya Shafique
- Institute of Agricultural Sciences, University of the Punjab
| | - Shazia Shafique
- Institute of Agricultural Sciences, University of the Punjab
| | | | - Muhammad Asif
- Institute of Agricultural Sciences, University of the Punjab
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Pandey KN. Molecular and genetic aspects of guanylyl cyclase natriuretic peptide receptor-A in regulation of blood pressure and renal function. Physiol Genomics 2018; 50:913-928. [PMID: 30169131 DOI: 10.1152/physiolgenomics.00083.2018] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Natriuretic peptides (NPs) exert diverse effects on several biological and physiological systems, such as kidney function, neural and endocrine signaling, energy metabolism, and cardiovascular function, playing pivotal roles in the regulation of blood pressure (BP) and cardiac and vascular homeostasis. NPs are collectively known as anti-hypertensive hormones and their main functions are directed toward eliciting natriuretic/diuretic, vasorelaxant, anti-proliferative, anti-inflammatory, and anti-hypertrophic effects, thereby, regulating the fluid volume, BP, and renal and cardiovascular conditions. Interactions of NPs with their cognate receptors display a central role in all aspects of cellular, biochemical, and molecular mechanisms that govern physiology and pathophysiology of BP and cardiovascular events. Among the NPs atrial and brain natriuretic peptides (ANP and BNP) activate guanylyl cyclase/natriuretic peptide receptor-A (GC-A/NPRA) and initiate intracellular signaling. The genetic disruption of Npr1 (encoding GC-A/NPRA) in mice exhibits high BP and hypertensive heart disease that is seen in untreated hypertensive subjects, including high BP and heart failure. There has been a surge of interest in the NPs and their receptors and a wealth of information have emerged in the last four decades, including molecular structure, signaling mechanisms, altered phenotypic characterization of transgenic and gene-targeted animal models, and genetic analyses in humans. The major goal of the present review is to emphasize and summarize the critical findings and recent discoveries regarding the molecular and genetic regulation of NPs, physiological metabolic functions, and the signaling of receptor GC-A/NPRA with emphasis on the BP regulation and renal and cardiovascular disorders.
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Affiliation(s)
- Kailash N Pandey
- Department of Physiology, Tulane University Health Sciences Center, School of Medicine , New Orleans, Louisiana
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Chiang HY, Chu PH, Lee TH. R1R2 peptide ameliorates pulmonary fibrosis in mice through fibrocyte migration and differentiation. PLoS One 2017; 12:e0185811. [PMID: 28968441 PMCID: PMC5624629 DOI: 10.1371/journal.pone.0185811] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Accepted: 09/19/2017] [Indexed: 02/06/2023] Open
Abstract
Circulating fibrocytes play a key role in the pathogenesis of pulmonary fibrosis. Fibrocytes are bone marrow-derived leukocytes, which enter the lungs in response to their chemoattractant CXCL12 and differentiate into fibroblasts or myofibroblasts, leading to excess deposition of the collagen-rich extracellular matrix. Matrix metalloproteinase (MMP)-9 and MMP-2, secreted by fibrocytes, degrade the subendothelial basement membrane and promote fibrocyte influx into the lungs. Here, we demonstrate that R1R2, a novel peptide derived from the bacterial adhesin SFS, attenuates pulmonary fibrosis by preventing the differentiation of fibrocytes into myofibroblasts and by reducing the invasion of fibrocytes through basement membrane-like proteins. Moreover, our findings reveal dual regulation of R1R2 on MMP-9 through reduced enzymatic activity on gelatin and increased cleavage of CXCL12. These data suggest that R1R2 has potent anti-fibrotic effects against pulmonary fibrosis.
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Affiliation(s)
- Hou-Yu Chiang
- Department of Anatomy, College of Medicine, Chang Gung University, Taoyuan, Taiwan
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
- Division of Cardiology, Department of Internal Medicine, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Pao-Hsien Chu
- Division of Cardiology, Department of Internal Medicine, Chang Gung Memorial Hospital, Taoyuan, Taiwan
- College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Ting-Hein Lee
- Department of Anatomy, College of Medicine, Chang Gung University, Taoyuan, Taiwan
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
- Division of Cardiology, Department of Internal Medicine, Chang Gung Memorial Hospital, Taoyuan, Taiwan
- * E-mail:
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Johanns M, Lemoine P, Janssens V, Grieco G, Moestrup SK, Nielsen R, Christensen EI, Courtoy PJ, Emonard H, Marbaix E, Henriet P. Cellular uptake of proMMP-2:TIMP-2 complexes by the endocytic receptor megalin/LRP-2. Sci Rep 2017; 7:4328. [PMID: 28659595 PMCID: PMC5489529 DOI: 10.1038/s41598-017-04648-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Accepted: 05/18/2017] [Indexed: 11/22/2022] Open
Abstract
Matrix metalloproteinases (MMPs) are regulated at multiple transcriptional and post-transcriptional levels, among which receptor-mediated endocytic clearance. We previously showed that low-density lipoprotein receptor-related protein-1 (LRP-1) mediates the clearance of a complex between the zymogen form of MMP-2 (proMMP-2) and tissue inhibitor of metalloproteinases, TIMP-2, in HT1080 human fibrosarcoma cells. Here we show that, in BN16 rat yolk sac cells, proMMP-2:TIMP-2 complex is endocytosed through a distinct LRP member, megalin/LRP-2. Addition of receptor-associated protein (RAP), a natural LRP antagonist, caused accumulation of endogenous proMMP-2 and TIMP-2 in conditioned media. Incubation with RAP also inhibited membrane binding and cellular uptake of exogenous iodinated proMMP-2:TIMP-2. Moreover, antibodies against megalin/LRP-2, but not against LRP-1, inhibited binding of proMMP-2:TIMP-2 to BN16 cell surface. BIAcore analysis confirmed direct interaction between the complex and megalin/LRP-2. Conditional renal invalidation of megalin/LRP-2 in mice resulted in accumulation of proMMP-2 and TIMP-2 in their urine, highlighting the physiological relevance of the binding. We conclude that megalin/LRP-2 can efficiently mediate cell-surface binding and endocytosis of proMMP-2:TIMP-2 complex. Therefore megalin/LRP-2 can be considered as a new actor in regulation of MMP-2 activity, an enzyme crucially involved in many pathological processes.
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Affiliation(s)
- Manuel Johanns
- de Duve Institute, Université catholique de Louvain, 1200, Brussels, Belgium
| | - Pascale Lemoine
- de Duve Institute, Université catholique de Louvain, 1200, Brussels, Belgium
| | - Virginie Janssens
- de Duve Institute, Université catholique de Louvain, 1200, Brussels, Belgium
| | - Giuseppina Grieco
- de Duve Institute, Université catholique de Louvain, 1200, Brussels, Belgium
| | - Soren K Moestrup
- Department of Biomedicine, Aarhus University, 8000, Aarhus, Denmark
| | - Rikke Nielsen
- Department of Biomedicine, Aarhus University, 8000, Aarhus, Denmark
| | | | - Pierre J Courtoy
- de Duve Institute, Université catholique de Louvain, 1200, Brussels, Belgium
| | - Hervé Emonard
- CNRS UMR 7369, Matrice Extracellulaire et Dynamique Cellulaire, Université de Reims Champagne-Ardenne, 51687, Reims, France
| | - Etienne Marbaix
- de Duve Institute, Université catholique de Louvain, 1200, Brussels, Belgium
| | - Patrick Henriet
- de Duve Institute, Université catholique de Louvain, 1200, Brussels, Belgium.
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13
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Li LH, Wu GY, Lu YZ, Chen XH, Liu BY, Zheng MH, Cai JC. p21-activated protein kinase 1 induces the invasion of gastric cancer cells through c-Jun NH2-terminal kinase-mediated activation of matrix metalloproteinase-2. Oncol Rep 2017; 38:193-200. [PMID: 28534988 DOI: 10.3892/or.2017.5643] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Accepted: 12/13/2016] [Indexed: 11/05/2022] Open
Abstract
Gastric cancer (GC) is one of the most common malignancies worldwide. The prognosis of GC is poor, mostly due to widespread metastasis. p21-activated kinase 1 (Pak1), the best characterized member of an evolutionarily conserved family of serine/threonine kinases, plays an important role in the regulation of cell morphogenesis, motility, mitosis and angiogenesis. By qRT-PCR and Gelatin zymograph assay, we demonstrated in the present study that stable overexpression of Pak1 induced matrix metalloproteinase (MMP)-2 mRNA expression and activity in the human MKN45 GC cell line. Conversely, knockdown of endogenous Pak1 expression by small interfering RNA (siRNA) decreased MMP-2 mRNA expression and activity in the MKN45 GC cells. Activation of c-Jun N-terminal kinase (JNK) was required for Pak1-induced upregulation of MMP-2 mRNA level and activity. Moreover, upregulation of MMP-2 by Pak1 via the JNK pathway notably promoted the invasion of MKN45 GC cells. Overexpression of MMP-2 mRNA was once again confirmed to be associated with GC metastasis. In conclusion, our results demonstrated for the first time that Pak1 stimulated MMP-2 mRNA expression and activity in MKN45 GC cells. The JNK signaling pathway was involved in Pak1 modulation of MMP-2, which was important for MKN45 GC cell invasiveness.
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Affiliation(s)
- Liang-Hui Li
- Department of General Surgery, Zhongshan Hospital, Xiamen University, Xiamen 361004, P.R. China
| | - Guo-Yang Wu
- Department of General Surgery, Zhongshan Hospital, Xiamen University, Xiamen 361004, P.R. China
| | - Yi-Zhuo Lu
- Department of General Surgery, Zhongshan Hospital, Xiamen University, Xiamen 361004, P.R. China
| | - Xue-Hua Chen
- Department of General Surgery, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200025, P.R. China
| | - Bing-Ya Liu
- Department of General Surgery, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200025, P.R. China
| | - Min-Hua Zheng
- Department of General Surgery, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200025, P.R. China
| | - Jian-Chun Cai
- Department of General Surgery, Zhongshan Hospital, Xiamen University, Xiamen 361004, P.R. China
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14
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Han CK, Tien YC, Jine-Yuan Hsieh D, Ho TJ, Lai CH, Yeh YL, Hsuan Day C, Shen CY, Hsu HH, Lin JY, Huang CY. Attenuation of the LPS-induced, ERK-mediated upregulation of fibrosis-related factors FGF-2, uPA, MMP-2, and MMP-9 by Carthamus tinctorius L in cardiomyoblasts. ENVIRONMENTAL TOXICOLOGY 2017; 32:754-763. [PMID: 27098997 DOI: 10.1002/tox.22275] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Revised: 04/04/2016] [Accepted: 04/05/2016] [Indexed: 06/05/2023]
Abstract
Severe and potentially fatal hypotension and cardiac contractile dysfunction are common symptoms in patients with sepsis. LPS was previously found to dramatically upregulate expression of fibrosis-related factors FGF-2, uPA, MMP-2, and MMP-9 in primary cardiac fibroblasts. MMPs are capable of denaturing and degrading fibrillar collagens and other components of the extracellular matrix (ECM). Studies have shown that dysregulation of expression of MMPs is associated with development of myocardial extracellular matrix remodeling and cardiac fibrosis, which contribute to progression of heart failure. In this study, H9c2 cells and cardiac fibroblasts were divided into five treatment groups: control, LPS (1 μg/mL) and three concentrations of FCEtOH (Carthami Flos ethanolic extract) (31.25, 62.5, and 125 μg/mL). Phosphorylation of ERK-1/2 was observed to be rapidly induced upon treatment with LPS. In contrast, it was significantly suppressed by the administration of FCEtOH (125 μg/mL). Effects of FCEtOH on LPS-induced MMP-2 and MMP-9 expression in H9c2 cells occurred directly through ERK1/2 were determined. H9c2 cells were therefore pretreated with EGF-R to activate ERK pathway. Both protein levels of MMP-2 and MMP-9 and immunefluorescent signals of MMP-9 were significantly enhanced by EGFR. In contrast, MMP-2 and MMP-9 were significantly reduced after FCEtOH administration. Based on these findings, the authors concluded that FCEtOH elicits a protective effect against LPS-induced cardio-fibrosis through the ERK1/2 pathway. Carthamus tinctorius L may potentially serve as a cardio-protective agent against LPS- induced cardiac fibrosis. © 2016 Wiley Periodicals, Inc. Environ Toxicol 32: 754-763, 2017.
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Affiliation(s)
- Chien-Kuo Han
- Department of Health and Nutrition Biotechnology, Asia University, Taichung, Taiwan
| | - Yun-Chen Tien
- School of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, College of Pharmacy, China Medical University, Taiwan
- Department of Pharmacology, Yale University School of Medicine, New Haven, Connecticut
| | | | - Tsung-Jung Ho
- Department of Chinese Medicine, China Medical University Beigang Hospital, Taiwan
| | - Chao-Hung Lai
- Division of Cardiology, Department of Internal Medicine, Armed Force Taichung General Hospital, Taichung, Taiwan
| | - Yu-Lan Yeh
- Department of Pathology, Changhua Christian Hospital, Changhua, Taiwan
- Department of Medical Technology, Jen-Teh Junior College of Medicine, Nursing and Management, Miaoli, Taiwan
| | | | - Chia-Yao Shen
- Department of Nursing, MeiHo University, Pingtung, Taiwan
| | - Hsi-Hsien Hsu
- Division of Colorectal Surgery, Mackay Memorial Hospital, Taipei, Taiwan
| | - Jing-Ying Lin
- Department of Medical Imaging and Radiological Science, Central Taiwan University of Science and Technology, Taichung, Taiwan
| | - Chih-Yang Huang
- School of Chinese Medicine, College of Chinese Medicine, China Medical University, Taichung, Taiwan
- Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan
- Department of Health and Nutrition Biotechnology, Asia University, Taichung, Taiwan
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15
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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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Kim J, Lee J. Matrix metalloproteinase and tissue inhibitor of metalloproteinase responses to muscle damage after eccentric exercise. J Exerc Rehabil 2016; 12:260-5. [PMID: 27656621 PMCID: PMC5031380 DOI: 10.12965/jer.1632640.320] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Accepted: 07/14/2016] [Indexed: 11/22/2022] Open
Abstract
High-intensity eccentric exercise is known to induce muscle damage leading to inflammatory responses and extracellular matrix (ECM) degradation. These degradation processes involve enzymes such as matrix metalloproteinases (MMPs) and tissue inhibitor of metalloproteinases (TIMPs). MMPs are calcium and zinc-dependent proteolytic enzymes that play a role in ECM degradation and recruitment of inflammatory and myogenic cells into the damaged site. In contrast, TIMPs inhibit MMP-induced ECM degradation to maintain normal homeostasis in ECM. Recently, several studies have examined the process of muscle remodeling and the roles of ECM, MMPs, and TIMPs in exercise-induced muscle damage. However, the results of these studies are not inconsistent. In the present mini-review, we will discuss the responses of MMP and TIMP to eccentric exercise based on the literature review.
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Affiliation(s)
- Jooyoung Kim
- Sport, Health, and Rehabilitation Major, Kookmin University, Seoul, Korea
| | - Joohyung Lee
- Sport, Health, and Rehabilitation Major, Kookmin University, Seoul, Korea
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17
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Bagheri Varzaneh M, Rahmani H, Jahanian R, Mahdavi AH, Perreau C, Perrot G, Brézillon S, Maquart FX. Effects of Dietary Copper-Methionine on Matrix Metalloproteinase-2 in the Lungs of Cold-Stressed Broilers as an Animal Model for Pulmonary Hypertension. Biol Trace Elem Res 2016; 172:504-510. [PMID: 26749413 DOI: 10.1007/s12011-015-0612-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Accepted: 12/28/2015] [Indexed: 02/04/2023]
Abstract
The objective of the present study was to investigate the effects of different levels of copper (as supplemental copper-methionine) on ascites incidence and matrix metalloproteinase-2 (MMP-2) changes in the lungs of cold-stressed broilers. For this purpose, 480 1-day-old Ross 308 broiler chickens were randomly assigned to six treatments. Treatments consisted of two ambient temperatures (thermoneutral and cold stress) each combined with 0, 100, and 200 mg supplemental copper/kg as copper-methionine in a 2 × 3 factorial arrangement in a completely randomized design with four replicates. Ascites was diagnosed based on abdominal and pericardial fluid accumulation at 45 days of age. Fourty-eight broilers were killed at 38 and 45 days of age, and their lungs were collected for biological analysis. Results showed that MMP-2 increased in the lungs of ascitic broilers and that copper-methionine supplementation significantly reduced MMP-2 in cold-stressed broiler chickens. Treatments did not affect tissue inhibitor of metalloproteinase-2 (TIMP-2) at 38 and 45 days of age, and no difference was observed between 100 and 200 mg/kg copper-methionine treatments. In conclusion, copper-methionine at higher than conventional levels of supplementation decreased ascites incidence in low temperature through reduced MMP-2 concentration. Further research is warranted to investigate the effect of copper on MMP-2 concentrations in other tissues with high oxygen demand.
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Affiliation(s)
- Mina Bagheri Varzaneh
- Department of Animal Sciences, Isfahan University of Technology, Isfahan, 84156-83111, Iran.
- Unité de Recherche "Matrice Extracellulaire et Dynamique Cellulaire" (MEDyC), UMR CNRS/URCA NO 7369, Faculté de Médecine de Reims, 51095, Reims Cedex, France.
| | - Hamidreza Rahmani
- Department of Animal Sciences, Isfahan University of Technology, Isfahan, 84156-83111, Iran
| | - Rahman Jahanian
- Department of Animal Sciences, Isfahan University of Technology, Isfahan, 84156-83111, Iran
| | - Amir Hossein Mahdavi
- Department of Animal Sciences, Isfahan University of Technology, Isfahan, 84156-83111, Iran
| | - Corinne Perreau
- Unité de Recherche "Matrice Extracellulaire et Dynamique Cellulaire" (MEDyC), UMR CNRS/URCA NO 7369, Faculté de Médecine de Reims, 51095, Reims Cedex, France
| | - Gwenn Perrot
- Unité de Recherche "Matrice Extracellulaire et Dynamique Cellulaire" (MEDyC), UMR CNRS/URCA NO 7369, Faculté de Médecine de Reims, 51095, Reims Cedex, France
| | - Stéphane Brézillon
- Unité de Recherche "Matrice Extracellulaire et Dynamique Cellulaire" (MEDyC), UMR CNRS/URCA NO 7369, Faculté de Médecine de Reims, 51095, Reims Cedex, France
| | - François-Xavier Maquart
- Unité de Recherche "Matrice Extracellulaire et Dynamique Cellulaire" (MEDyC), UMR CNRS/URCA NO 7369, Faculté de Médecine de Reims, 51095, Reims Cedex, France
- CHU de Reims, Laboratoire Central de Biochimie, 51092, Reims Cedex, France
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18
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Effect of taurine on prostate-specific antigen level and migration in human prostate cancer cells. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2015; 803:203-14. [PMID: 25833500 DOI: 10.1007/978-3-319-15126-7_18] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
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19
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Kurogi R, Kikkawa Y, Matsuo S, Nakamizo A, Mizoguchi M, Sasaki T. Upregulation of tissue inhibitor of metalloproteinase-1 contributes to restoration of the extracellular matrix in the rabbit basilar artery during cerebral vasospasm after subarachnoid hemorrhage. Brain Res 2015; 1616:26-36. [PMID: 25940763 DOI: 10.1016/j.brainres.2015.04.049] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2014] [Revised: 03/06/2015] [Accepted: 04/23/2015] [Indexed: 11/17/2022]
Abstract
Vascular remodeling caused by extracellular matrix (ECM) metabolism contributes to the development of cerebral vasospasm after subarachnoid hemorrhage (SAH). The balance between tissue inhibitor of metalloproteinases (TIMPs) and matrix metalloproteinases (MMPs) plays an important role in ECM remodeling. We investigated the mechanism of vascular remodeling following cerebral vasospasm in a rabbit double hemorrhage model. Rabbit basilar arteries were harvested on days 3, 5, and 7 after initial hemorrhage. TIMP-1, TIMP-2, MMP-2, and MMP-9 mRNA and protein expression were investigated with microarray analysis, quantitative real-time PCR, immunoblot analysis, and enzyme-linked immunosorbent assay (ELISA). The expression and localization of TIMP-1, TIMP-2, MMP-2, MMP-9, elastin, fibronectin, laminin, and collagens I, III, and IV were investigated with immuohistochemical staining. After SAH, TIMP-1 mRNA and protein expression were significantly increased on day 3 and then decreased to the control level on days 5 and 7. MMP-9 protein expression was significantly increased on day 7. TIMP-2 and MMP-2 mRNA and protein expression were significantly increased on day 7. Elastin, fibronectin, laminin, and collagens I, III, and IV protein expression was decreased on day 3 and then restored to control levels on day 7. Upregulation of TIMP-1 during the early phase of cerebral vasospasm may contribute to the recovery of the ECM during the late phase of cerebral vasospasm, resulting in a protective role of TIMP-1 from cerebral vasospasm. Moreover, the increase in arterial compliance by the decrease in ECM during the early phase of cerebral vasospasm may facilitate vasoconstriction of the cerebral artery.
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Affiliation(s)
- Ryota Kurogi
- Department of Neurosurgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City 812-8582, Fukuoka, Japan
| | - Yuichiro Kikkawa
- Department of Neurosurgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City 812-8582, Fukuoka, Japan; Department of Cerebrovascular Surgery, International Medical Center, Saitama Medical University, 1397-1 Yamane, Hidaka City 350-1298, Saitama, Japan.
| | - Satoshi Matsuo
- Department of Neurosurgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City 812-8582, Fukuoka, Japan
| | - Akira Nakamizo
- Department of Neurosurgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City 812-8582, Fukuoka, Japan; Department of Neurosurgery, Steel Memorial Yawata Hospital, 1-1-1 Harunomachi, Yahatahigashi-ku, Kitakyusyu City 805-8508, Fukuoka, Japan
| | - Masahiro Mizoguchi
- Department of Neurosurgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City 812-8582, Fukuoka, Japan
| | - Tomio Sasaki
- Department of Neurosurgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City 812-8582, Fukuoka, Japan
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20
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Mikołajczyk-Stecyna J, Korcz A, Gabriel M, Pawlaczyk K, Oszkinis G, Słomski R. Gene polymorphism -418 G/C of tissue inhibitor of metalloproteinases 2 is associated with abdominal aortic aneurysm. J Vasc Surg 2015; 61:1114-9. [DOI: 10.1016/j.jvs.2013.12.045] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2013] [Revised: 12/18/2013] [Accepted: 12/21/2013] [Indexed: 10/25/2022]
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21
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Chen J, Luo M, Wang W, Zhang Z, He Y, Duance VC, Hughes CE, Caterson B, Cao J. Altered proteolytic activity and expression of MMPs and aggrecanases and their inhibitors in Kashin-Beck disease. J Orthop Res 2015; 33:47-55. [PMID: 25263345 DOI: 10.1002/jor.22708] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2014] [Accepted: 07/08/2014] [Indexed: 02/04/2023]
Abstract
Kashin-Beck disease (KBD) is a chronic, deforming endemic osteoarticular disease with altered metabolism of the cartilage matrix. Matrix metalloproteinases (MMPs), aggrecanases (ATAMTSs), and their inhibitors (TIMPs) play important roles in cartilage formation and matrix degradation. This study investigated these proteases and inhibitors in young KBD cartilage. The percentages of chondrocytes staining for MMP-1/-13 and MMP-generated DIPEN neoepitope, aggrecanase-generated ITEGE neoepitope in aggrecan in KBD patients were significantly higher than in controls. However, TIMP-1 was significantly less numerous than in controls in the superficial and middle zones of KBD samples, the percentage of chondrocytes staining for the TIMP-2 was significantly higher than in controls. Staining for MMP-1/-13 and, TIMP-1/-2 in KBD patients was prominent in the superficial zone and the middle zone of articular cartilage. Staining for ITEGE and DIPEN neoepitopes in KBD samples was prominent in the superficial zone and the middle zone of articular cartilage. The strongest staining for the MMP and aggrecanase-generated neoepitopes was adjacent to areas of chondronecrosis. These results indicated that KBD cartilage destruction depends on collagen- and aggrecan-degrading proteases such as collagenases (MMP-1/-13), as well as aggrecanases. Increased TIMP-2 level adjacent to necrotic areas suggest that attempted repair mechanism are also activated.
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Affiliation(s)
- Jinghong Chen
- Institute of Endemic Diseases, Xi'an Jiaotong University College of Medicine, Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an, 710061, Shaanxi, P.R., China
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22
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Ruiz-Zapata AM, Kerkhof MH, Zandieh-Doulabi B, Brölmann HAM, Smit TH, Helder MN. Functional characteristics of vaginal fibroblastic cells from premenopausal women with pelvic organ prolapse. Mol Hum Reprod 2014; 20:1135-43. [PMID: 25189765 DOI: 10.1093/molehr/gau078] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Pelvic organ prolapse (POP) remains a great therapeutic challenge with no optimal treatment available. Tissue maintenance and remodelling are performed by fibroblasts, therefore altered cellular functionality may influence tissue quality. In this study, we evaluated functional characteristics of fibroblastic cells from tissues involved in POP. To rule out normal ageing tissue degeneration, biopsies from 18 premenopausal women were collected from the precervical region (non-POP site) after hysterectomy of 8 healthy and 10 POP cystocele cases (POP-Q stage ≥ II). Extra tissues from the prolapsed sites were taken in the POP cases to distinguish between intrinsic and acquired cellular defects. Twenty-eight primary fibroblastic cultures were studied in vitro. A contractility assay was used to test fibroblast-mediated collagen contraction. Cellular mechanoresponses on collagen-coated or uncoated substrates were evaluated by measuring matrix remodelling factors at protein or gene expression levels. No differences were found between fibroblasts from the controls and the non-POP site of the case group. Fibroblastic cells from the prolapsed site showed delayed fibroblast-mediated collagen contraction and lower production of matrix metalloproteinase-2 (MMP-2) on collagen-coated plates. On uncoated surfaces the gene MMP-2 and its tissue inhibitor of metalloproteinases-2 were up-regulated in POP site fibroblastic cells. In conclusion, fibroblastic cells derived from prolapsed tissues of patients with cystocele, display altered in vitro functional characteristics depending on the surface substrate and compared with non-prolapsed site. This implies an acquired rather than an intrinsic defect for most patients with cystocele, and should be taken into account when trying to improve treatments for POP.
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Affiliation(s)
- Alejandra M Ruiz-Zapata
- Department of Orthopedic Surgery, VU University Medical Center, Research Institute MOVE, Amsterdam 1007MB, The Netherlands
| | - Manon H Kerkhof
- Department of Obstetrics & Gynaecology, VU University Medical Center, Amsterdam 1007MB, The Netherlands
| | - Behrouz Zandieh-Doulabi
- Department of Oral Cell Biology, ACTA - University of Amsterdam and VU University, Research Institute MOVE, Amsterdam 1081LA, The Netherlands
| | - Hans A M Brölmann
- Department of Obstetrics & Gynaecology, VU University Medical Center, Amsterdam 1007MB, The Netherlands
| | - Theo H Smit
- Department of Orthopedic Surgery, VU University Medical Center, Research Institute MOVE, Amsterdam 1007MB, The Netherlands
| | - Marco N Helder
- Department of Orthopedic Surgery, VU University Medical Center, Research Institute MOVE, Amsterdam 1007MB, The Netherlands
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Ulasov I, Yi R, Guo D, Sarvaiya P, Cobbs C. The emerging role of MMP14 in brain tumorigenesis and future therapeutics. Biochim Biophys Acta Rev Cancer 2014; 1846:113-20. [DOI: 10.1016/j.bbcan.2014.03.002] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2013] [Revised: 02/12/2014] [Accepted: 03/15/2014] [Indexed: 02/08/2023]
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24
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Zhang FJ, Yu WB, Luo W, Gao SG, Li YS, Lei GH. Effect of osteopontin on TIMP-1 and TIMP-2 mRNA in chondrocytes of human knee osteoarthritis in vitro.. Exp Ther Med 2014; 8:391-394. [PMID: 25009588 PMCID: PMC4079415 DOI: 10.3892/etm.2014.1750] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2013] [Accepted: 05/02/2014] [Indexed: 01/09/2023] Open
Abstract
Tissue inhibitors of metalloproteinases (TIMPs) regulate the activity of matrix metalloproteinases (MMPs) and enzymes from the a disintegrin and metalloproteinase domain with thrombospondin motifs family in osteoarthritis (OA). Elevated osteopontin (OPN) levels in plasma, synovial fluid and articular cartilage are associated with progressive OA joint damage; however, the role of OPN in the pathological changes of knee OA remains undetermined. The present study was undertaken to examine the effect of OPN on the expression of TIMP-1 and TIMP-2 mRNA in chondrocytes from 16 patients with knee OA. In this study, following the stimulation of human chondrocytes with recombinant human OPN (rhOPN; 100 ng/ml and 1 μg/ml, respectively) for 48 h, MTT assay was used to determine cell viability while the quantitative polymerase chain reaction (PCR) was used to detect the alterations in TIMP-1 and TIMP-2 levels. The results illustrated that neither 100 ng/ml nor 1 μg/ml rhOPN caused cytotoxicity or apoptosis of chondrocytes and that the relative mRNA expression of TIMP-1 and TIMP-2 was significantly increased in the 1 μg/ml rhOPN group compared with that in the control group (P=0.022 and P=0.003, respectively). However, no significant difference in expression was revealed between the 100 ng/ml rhOPN and control groups (P=0.998 and P=0.209, respectively). In conclusion, OPN may have a protective effect against pathological changes in advanced-stage OA.
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Affiliation(s)
- Fang-Jie Zhang
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Wen-Bo Yu
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China ; Department of Orthopaedics, The First People's Hospital of Nanpin, Nanpin, Fujian 353000, P.R. China
| | - Wei Luo
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Shu-Guang Gao
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China ; Orthopaedics Institute of Central South University, Changsha, Hunan 410008, P.R. China
| | - Yu-Sheng Li
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Guang-Hua Lei
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China ; Orthopaedics Institute of Central South University, Changsha, Hunan 410008, P.R. China
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25
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Rajashekhar G, Shivanna M, Kompella UB, Wang Y, Srinivas SP. Role of MMP-9 in the breakdown of barrier integrity of the corneal endothelium in response to TNF-α. Exp Eye Res 2014; 122:77-85. [DOI: 10.1016/j.exer.2014.03.004] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2014] [Revised: 03/12/2014] [Accepted: 03/14/2014] [Indexed: 01/11/2023]
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Foster CR, Daniel LL, Daniels CR, Dalal S, Singh M, Singh K. Deficiency of ataxia telangiectasia mutated kinase modulates cardiac remodeling following myocardial infarction: involvement in fibrosis and apoptosis. PLoS One 2013; 8:e83513. [PMID: 24358288 PMCID: PMC3865210 DOI: 10.1371/journal.pone.0083513] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2013] [Accepted: 11/05/2013] [Indexed: 12/19/2022] Open
Abstract
Ataxia telangiectasia mutated kinase (ATM) is a cell cycle checkpoint protein activated in response to DNA damage. We recently reported that ATM plays a protective role in myocardial remodeling following β-adrenergic receptor stimulation. Here we investigated the role of ATM in cardiac remodeling using myocardial infarction (MI) as a model. Methods and Results: Left ventricular (LV) structure, function, apoptosis, fibrosis, and protein levels of apoptosis- and fibrosis-related proteins were examined in wild-type (WT) and ATM heterozygous knockout (hKO) mice 7 days post-MI. Infarct sizes were similar in both MI groups. However, infarct thickness was higher in hKO-MI group. Two dimensional M-mode echocardiography revealed decreased percent fractional shortening (%FS) and ejection fraction (EF) in both MI groups when compared to their respective sham groups. However, the decrease in %FS and EF was significantly greater in WT-MI vs hKO-MI. LV end systolic and diastolic diameters were greater in WT-MI vs hKO-MI. Fibrosis, apoptosis, and α-smooth muscle actin staining was significantly higher in hKO-MI vs WT-MI. MMP-2 protein levels and activity were increased to a similar extent in the infarct regions of both groups. MMP-9 protein levels were increased in the non-infarct region of WT-MI vs WT-sham. MMP-9 protein levels and activity were significantly lower in the infarct region of WT vs hKO. TIMP-2 protein levels similarly increased in both MI groups, whereas TIMP-4 protein levels were significantly lower in the infarct region of hKO group. Phosphorylation of p53 protein was higher, while protein levels of manganese superoxide dismutase were significantly lower in the infarct region of hKO vs WT. In vitro, inhibition of ATM using KU-55933 increased oxidative stress and apoptosis in cardiac myocytes.
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Affiliation(s)
- Cerrone R. Foster
- Department of Biomedical Sciences, James H Quillen College of Medicine, James H Quillen Veterans Affairs Medical Center, East Tennessee State University, Johnson City, Tennessee, United States of America
| | - Laura L. Daniel
- Department of Biomedical Sciences, James H Quillen College of Medicine, James H Quillen Veterans Affairs Medical Center, East Tennessee State University, Johnson City, Tennessee, United States of America
| | - Christopher R. Daniels
- Department of Biomedical Sciences, James H Quillen College of Medicine, James H Quillen Veterans Affairs Medical Center, East Tennessee State University, Johnson City, Tennessee, United States of America
| | - Suman Dalal
- Department of Biomedical Sciences, James H Quillen College of Medicine, James H Quillen Veterans Affairs Medical Center, East Tennessee State University, Johnson City, Tennessee, United States of America
| | - Mahipal Singh
- Department of Biomedical Sciences, James H Quillen College of Medicine, James H Quillen Veterans Affairs Medical Center, East Tennessee State University, Johnson City, Tennessee, United States of America
| | - Krishna Singh
- Department of Biomedical Sciences, James H Quillen College of Medicine, James H Quillen Veterans Affairs Medical Center, East Tennessee State University, Johnson City, Tennessee, United States of America
- * E-mail:
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Shiryaev SA, Remacle AG, Golubkov VS, Ingvarsen S, Porse A, Behrendt N, Cieplak P, Strongin AY. A monoclonal antibody interferes with TIMP-2 binding and incapacitates the MMP-2-activating function of multifunctional, pro-tumorigenic MMP-14/MT1-MMP. Oncogenesis 2013; 2:e80. [PMID: 24296749 PMCID: PMC3940861 DOI: 10.1038/oncsis.2013.44] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2013] [Accepted: 10/29/2013] [Indexed: 01/01/2023] Open
Abstract
Matrix metalloproteinases (MMPs) and, especially membrane type 1 (MT1)-MMP/MMP-14, are promising drug targets in malignancies. In contrast with multiple small-molecule and protein pan-inhibitors of MT1–MMP cleavage activity, the murine 9E8 monoclonal antibody targets the MMP-2-activating function of cellular MT1–MMP alone, rather than the general proteolytic activity and the pro-migratory function of MT1–MMP. Furthermore, the antibody does not interact in any detectable manner with other members of the membrane type (MT)-MMP family. The mechanism of this selectivity remained unknown. Using mutagenesis, binding and activity assays, and modeling in silico, we have demonstrated that the 9E8 antibody recognizes the MT-loop structure, an eight residue insertion that is specific for MT–MMPs and that is distant from the MT1–MMP active site. The binding of the 9E8 antibody to the MT-loop, however, prevents tissue inhibitor of metalloproteinases-2 (TIMP-2) association with MT1–MMP. As a result, the 9E8 antibody incapacitates the TIMP-2-dependent MMP-2-activating function alone rather than the general enzymatic activity of human MT1–MMP. The specific function of the 9E8 antibody we determined directly supports an essential, albeit paradoxical, role of the protein inhibitor (TIMP-2) in MMP-2 activation via a unique membrane-tethered mechanism. In this mechanism, the formation of a tri-molecular MT1–MMPTIMP-2MMP-2 complex is required for both the capture of the soluble MMP-2 proenzyme by cells and then its well-controlled conversion into the mature MMP-2 enzyme. In sum, understanding of the structural requirements for the 9E8 antibody specificity may pave the way for the focused design of the inhibitory antibodies against other individual MMPs.
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Affiliation(s)
- S A Shiryaev
- Sanford-Burnham Medical Research Institute, La Jolla, CA, USA
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Lu XS, Sun W, Ge CY, Zhang WZ, Fan YZ. Contribution of the PI3K/MMPs/Ln-5γ2 and EphA2/FAK/Paxillin signaling pathways to tumor growth and vasculogenic mimicry of gallbladder carcinomas. Int J Oncol 2013; 42:2103-15. [PMID: 23588386 DOI: 10.3892/ijo.2013.1897] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2013] [Accepted: 03/26/2013] [Indexed: 12/17/2022] Open
Abstract
Vasculogenic mimicry (VM) is a new tumor blood supply in some highly aggressive malignant tumors. We previously reported VM in human gallbladder carcinomas, 3-D matrices in vitro and nude mouse xenografts in vivo of highly aggressive GBC-SD cells and its clinical significance. In this study, we further studied the underlying mechanisms of VM in gallbladder carcinomas via the 3-D matrix in vitro, the nude mouse xenografts in vivo of GBC-SD or SGC-996 cells, immunohistochemistry (H&E staining and CD31-PAS double staining), electron microscopy, expression of MMP-2, MT1-MMP, PI3K, Ln-5γ2, EphA2, FAK and Paxillin-P proteins/mRNAs determined by SABC, ELISA, immunofluorescence, western blotting and qRT-PCR, respectively. It was shown that all of untreated highly aggressive GBC-SD cells and xenografts formed vasculogenic-like structures within 2 weeks of seeding and injecting, and facilitated the growth of tumor cells or xenografts; whereas poorly aggressive SGC-996 cells or GBC-SD cells treated by TIMP-2 were unable to form the vasculogenic-like structures with the same conditions; and tumor xenograft growth was inhibited. Expression of MMP-2, MT1-MMP proteins/mRNAs from sections and supernates of 3-D matrix in vitro, expression of PI3K, MMP-2, MT1-MMP, Ln-5γ2, EphA2, FAK and Paxillin-P proteins/mRNAs from sections of xenografts in vivo in untreated GBC-SD group was upregulated significantly (all P<0.001); however, expression of these VM signal-related proteins/mRNAs in the SGC-996 group and GBC-SD treated by the TIMP-2 group was significantly downregulated (all P<0.001). Thus, we identified for the first time that highly aggressive GBC-SD cells formed VM in vitro and in vivo through the upregulation of PI3K/MMPs/Ln-5γ2 and/or EphA2/FAK/Paxillin signaling. PI3K/MMPs/Ln-5γ2 and EphA2/FAK/Paxillin as key signaling pathways in a coordinated manner contributed to tumor growth and VM of gallbladder carcinomas and provided novel targets that could be potentially exploited for therapeutic intervention of human gallbladder carcinomas.
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Affiliation(s)
- Xin-Sui Lu
- Department of Surgery, Tongji Hospital, Tongji University School of Medicine, Shanghai, P.R. China
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Mao Q, Lin CX, Liang XL, Gao JS, Xu B. Mesenchymal stem cells overexpressing integrin-linked kinase attenuate cardiac fibroblast proliferation and collagen synthesis through paracrine actions. Mol Med Rep 2013; 7:1617-23. [PMID: 23450431 DOI: 10.3892/mmr.2013.1348] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2012] [Accepted: 01/18/2013] [Indexed: 11/06/2022] Open
Abstract
Mesenchymal stem cells (MSCs) transfected by integrin-linked kinase (ILK) transplantation may improve the function and compliance of the post-infarct cardiac ventricle. We investigated the effect of ILK-modified MSC contiditioned medium (ILK-MSC-CM) on the proliferation of cardiac fibroblasts (CFBs) and collagen synthesis in vitro and in vivo. Myocardial infarction (MI)-induced animals received mesenchymal stem cell conditioned medium (MSC-CM), ILK-MSC-CM, or complete medium alone, subepicardially. A group of animals with MI and no other former intervention served as controls. ILK-MSC-CM inhibited CFB proliferation, reduced the gene expression of type I (Col1a1) and type III collagen (Col3a1), tissue inhibitors of metalloproteinase‑1 (TIMP-1) and ‑2 (TIMP-2), α smooth muscle actin (α-SMA), and connective tissue growth factor (CTGF). It also increased the gene expression of matrix metalloproteinase‑2 (MMP‑2) and -9 (MMP‑9), as measured by qRT-PCR. Four weeks after the left anterior descending (LAD) coronary artery ligation, echocardiographic analysis demonstrated preserved cardiac geometry and contractility in the ILK-MSC-CM treated animals. Decreased infarct size and reduced fibrosis were observed in the ILK-MSC-CM group. Overexpression of ILK regulates paracrine actions of MSCs, and ILK-MSC-CM attenuates CFB proliferation and collagen synthesis through paracrine actions in vitro and in vivo.
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Affiliation(s)
- Qing Mao
- Department of Cardiology, Drum Tower Hospital, Nanjing University Medical School, Nanjing 210008, PR China
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Abstract
Apigenin (4',5,7-trihydroxyflavone, 5,7-dihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one) is a flavonoid found in many fruits, vegetables, and herbs, the most abundant sources being the leafy herb parsley and dried flowers of chamomile. Present in dietary sources as a glycoside, it is cleaved in the gastrointestinal lumen to be absorbed and distributed as apigenin itself. For this reason, the epithelium of the gastrointestinal tract is exposed to higher concentrations of apigenin than tissues at other locations. This would also be true for epithelial cancers of the gastrointestinal tract. We consider the evidence for actions of apigenin that might hinder the ability of gastrointestinal cancers to progress and spread. Apigenin has been shown to inhibit cell growth, sensitize cancer cells to elimination by apoptosis, and hinder the development of blood vessels to serve the growing tumor. It also has actions that alter the relationship of the cancer cells with their microenvironment. Apigenin is able to reduce cancer cell glucose uptake, inhibit remodeling of the extracellular matrix, inhibit cell adhesion molecules that participate in cancer progression, and oppose chemokine signaling pathways that direct the course of metastasis into other locations. As such, apigenin may provide some additional benefit beyond existing drugs in slowing the emergence of metastatic disease.
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Affiliation(s)
- Émilie C Lefort
- Department of Pathology, Dalhousie University, Halifax, Nova Scotia, Canada
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31
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Cisplatin induces changes in the matrix metalloproteinases and their inhibitors in the developing rat cerebellum. Brain Res 2012; 1484:15-28. [DOI: 10.1016/j.brainres.2012.09.025] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2012] [Revised: 09/12/2012] [Accepted: 09/13/2012] [Indexed: 12/22/2022]
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Hsu HH, Liu CJ, Shen CY, Chen YJ, Chen LM, Kuo WH, Lin YM, Chen RJ, Tsai CH, Tsai FJ, Huang CY. p38α MAPK mediates 17β-estradiol inhibition of MMP-2 and -9 expression and cell migration in human lovo colon cancer cells. J Cell Physiol 2012; 227:3648-60. [PMID: 22377968 DOI: 10.1002/jcp.24072] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Epidemiological studies demonstrate that the incidence and mortality rates of colorectal cancer in women are lower than in men. However, it is unknown if 17β-estradiol (E(2)) treatment is sufficient to inhibit cell proliferation and cell migration in human colon cancer cells. Up-regulation of urokinase plasminogen activator (uPA), tissue plasminogen activator (tPA), and matrix metallopeptidases (MMPs) is reported to associate with the development of cancer cell mobility, metastasis, and subsequent malignant tumor. In the present study, we treated human LoVo colon cancer cells with E(2) to explore whether E(2) down-regulates cell proliferation and migration, and to identify the precise molecular and cellular mechanisms behind the down-regulatory responses. Here, we found that E(2) treatment decreased cell proliferation and cell cycle-regulating factors such as cyclin A, cyclin D1 and cyclin E. At the same time, E(2) significantly inhibited cell migration and migration-related factors such as uPA, tPA, MMP-2, and MMP-9. However, E(2) treatment showed no effects on upregulating expression of plasminogen activator inhibitor-1 (PAI-1), tissue inhibitor of metalloproteinase-1, -2, -3, and -4 (TIMP-1, -2, -3, and -4). After administration of inhibitors including QNZ (NFκB inhibitor), LY294002 (Akt activation inhibitor), U0126 (ERK1/2 inhibitor), SB203580 (p38 MAPK inhibitor) or SP600125 (JNK1/2 inhibitor), E(2) -downregulated cell migration and expression of MMP-2 and MMP-9 in LoVo cells is markedly inhibited only by p38 MAPK inhibitors, SB203580. Application of specific target gene siRNA (ERα, ERβ, p38α, and p38β) to LoVo cells further confirmed that p38 MAPK mediates E(2) /ERs inhibition of MMP-2 and -9 expression and cell motility in LoVo cells. Collectively, these results suggest that E(2) treatment down-regulates cell proliferation by modulating the expression of cyclin A, cyclin D1 and cyclin E. E(2) treatment simultaneously impaired cell migration by inhibiting the expression of uPA, tPA, MMP-2, and MMP-9 through E(2) /ERs - p38α MAPK signaling pathway in human LoVo colon cancer cells.
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Affiliation(s)
- Hsi-Hsien Hsu
- Division of Colorectal Surgery, Mackay Memorial Hospital, Taipei, Taiwan
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Neutrophil-derived Oxidants and Proteinases as Immunomodulatory Mediators in Inflammation. Mediators Inflamm 2012; 3:257-73. [PMID: 18472951 PMCID: PMC2367049 DOI: 10.1155/s0962935194000360] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Neutrophils generate potent microbicidal molecules via the
oxygen-dependent pathway, leading to the generation of reactive
oxygen intermediates (ROI), and via the non-oxygen dependent pathway,
consisting in the release of serine proteinases and
metalloproteinases stored in granules. Over the past years, the
concept has emerged that both ROI and proteinases can be viewed as
mediators able to modulate neutrophil responses as well as the whole
inflammatory process. This is well illustrated by the oxidative
regulation of proteinase activity showing that oxidants and
proteinases acts is concert to optimize the microbicidal activity
and to damage host tissues. ROI and proteinases can modify the
activity of several proteins involved in the control of inflammatory
process. Among them, tumour necrosis factor-α and
interleukin-8, are elective targets for such a modulation. Moreover,
ROI and proteinases are also able to modulate the adhesion process
of neutrophils to endothelial cells, which is a critical step in the
inflammatory process.
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35
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Bandapalli OR, Paul E, Schirmacher P, Brand K. Opposite effects of tissue inhibitor of metalloproteinases-1 (TIMP-1) over-expression and knockdown on colorectal liver metastases. BMC Res Notes 2012; 5:14. [PMID: 22230683 PMCID: PMC3284431 DOI: 10.1186/1756-0500-5-14] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2011] [Accepted: 01/09/2012] [Indexed: 11/10/2022] Open
Abstract
Background Tissue inhibitors of metalloproteinases (TIMPs) and the corresponding metalloproteinases are integral parts of the protease network and have been shown to be involved in cancer development and metastasis. Paradoxically, for TIMP-1, tumor promoting as well as tumor inhibitory effects have been observed. Methods To address this paradox, we utilized the BALB/c/CT26 mouse model that reliably leads to liver metastasis after splenic tumor cell injection and variegated the type of target cells for therapeutic intervention and the modalities of gene transfer. Since we have observed before that over-expression of TIMP-1 in liver host cells leads to efficient tumor growth inhibition in this model, we now examined whether targeting the tumor cells themselves will have a similar effect. Results In concordance with the earlier results, TIMP-1 over-expression in tumor cells led to a dramatic reduction of tumor growth as well. To evaluate any influence of treatment modality, we further examined whether TIMP-1 knockdown in the same animal model would have the opposite effect on tumor growth than TIMP-1 over-expression. Indeed, TIMP-1 knockdown led to a marked increase in tumor burden. Conclusion These data indicate that in the BALB/c/CT26 model, the modification of TIMP-1 has concordant effects irrespective of the type of target cell or the technique of modulation of TIMP-1 activity, and that TIMP-1 is unequivocally tumor inhibitory in this model.
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Affiliation(s)
- Obul R Bandapalli
- Institute of Pathology, University Hospital Heidelberg, University of Heidelberg, Im Neuenheimer Feld 220/1, 69120 Heidelberg, Germany.
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Pifer MA, Kibuule LK, Maerz T, Studzinski DM, Baker KC, Herkowitz HN. In vitro response of human chondrocytes to a combination of growth factors and a proteinase inhibitor. Orthopedics 2012; 35:35-42. [PMID: 22229919 DOI: 10.3928/01477447-20111122-19] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Degenerative disk disease is an accelerating cascade of tissue degeneration in the intervertebral disk. A harsh catabolic environment perpetuates the degeneration of the intervertebral disk. Tissue engineering-based techniques offer effective treatment to slow the progression of degenerative disk disease and regenerate intervertebral disk tissue. The purpose of this study was to assess the efficacy of a regenerative therapy for degenerative disk disease by treating human chondrocytes with anabolic growth factors and a proteinase inhibitor. The use of both proved effective in upregulating important extracellular matrix markers of human chondrocytes. These successful in vitro results have implications for the regeneration of the intervertebral disk.
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Affiliation(s)
- Matthew A Pifer
- Department of Orthopaedic Research, William Beaumont Hospital, Royal Oak, Michigan 48073, USA
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Collier IE, Legant W, Marmer B, Lubman O, Saffarian S, Wakatsuki T, Elson E, Goldberg GI. Diffusion of MMPs on the surface of collagen fibrils: the mobile cell surface-collagen substratum interface. PLoS One 2011; 6:e24029. [PMID: 21912660 PMCID: PMC3164694 DOI: 10.1371/journal.pone.0024029] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2011] [Accepted: 08/01/2011] [Indexed: 11/18/2022] Open
Abstract
Remodeling of the extracellular matrix catalyzed by MMPs is central to morphogenetic phenomena during development and wound healing as well as in numerous pathologic conditions such as fibrosis and cancer. We have previously demonstrated that secreted MMP-2 is tethered to the cell surface and activated by MT1-MMP/TIMP-2-dependent mechanism. The resulting cell-surface collagenolytic complex (MT1-MMP)(2)/TIMP-2/MMP-2 can initiate (MT1-MMP) and complete (MMP-2) degradation of an underlying collagen fibril. The following question remained: What is the mechanism of substrate recognition involving the two structures of relatively restricted mobility, the cell surface enzymatic complex and a collagen fibril embedded in the ECM? Here we demonstrate that all the components of the complex are capable of processive movement on a surface of the collagen fibril. The mechanism of MT1-MMP movement is a biased diffusion with the bias component dependent on the proteolysis of its substrate, not adenosine triphosphate (ATP) hydrolysis. It is similar to that of the MMP-1 Brownian ratchet we described earlier. In addition, both MMP-2 and MMP-9 as well as their respective complexes with TIMP-1 and -2 are capable of Brownian diffusion on the surface of native collagen fibrils without noticeable dissociation while the dimerization of MMP-9 renders the enzyme immobile. Most instructive is the finding that the inactivation of the enzymatic activity of MT1-MMP has a detectable negative effect on the cell force developed in miniaturized 3D tissue constructs. We propose that the collagenolytic complex (MT1-MMP)(2)/TIMP-2/MMP-2 represents a Mobile Cell Surface-Collagen Substratum Interface. The biological implications of MT1-MMP acting as a molecular ratchet tethered to the cell surface in complex with MMP-2 suggest a new mechanism for the role of spatially regulated peri-cellular proteolysis in cell-matrix interactions.
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Affiliation(s)
- Ivan E. Collier
- Division of Dermatology, Department of Medicine, Washington University School of Medicine, Saint Louis, Missouri, United States of America
| | - Wesley Legant
- Department of Bioengineering, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Barry Marmer
- Division of Dermatology, Department of Medicine, Washington University School of Medicine, Saint Louis, Missouri, United States of America
| | - Olga Lubman
- Department of Pathology, Washington University School of Medicine, Saint Louis, Missouri, United States of America
| | - Saveez Saffarian
- Department of Physics, University of Utah, Salt Lake City, Utah, United States of America
| | - Tetsuro Wakatsuki
- Department of Physiology, Biotechnology and Bioengineering Center, Medical College of Wisconsin, Milwaukee, Wisconsin, United States of America
| | - Elliot Elson
- Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, Saint Louis, Missouri, United States of America
| | - Gregory I. Goldberg
- Division of Dermatology, Department of Medicine, Washington University School of Medicine, Saint Louis, Missouri, United States of America
- Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, Saint Louis, Missouri, United States of America
- * E-mail:
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Hsu HH, Hu WS, Lin YM, Kuo WW, Chen LM, Chen WK, Hwang JM, Tsai FJ, Liu CJ, Huang CY. JNK suppression is essential for 17β-Estradiol inhibits prostaglandin E2-Induced uPA and MMP-9 expressions and cell migration in human LoVo colon cancer cells. J Biomed Sci 2011; 18:61. [PMID: 21859479 PMCID: PMC3179949 DOI: 10.1186/1423-0127-18-61] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2011] [Accepted: 08/22/2011] [Indexed: 02/08/2023] Open
Abstract
Background Epidemiological studies demonstrate that the incidence and mortality rates of colorectal cancer in women are lower than in men. However, it is unknown if 17β-estradiol treatment is sufficient to inhibit prostaglandin E2 (PGE2)-induced cellular motility in human colon cancer cells. Methods We analyzed the protein expression of urokinase plasminogen activator (uPA), tissue plasminogen activator (tPA), matrix metallopeptidases (MMPs), plasminogen activator inhibitor-1 (PAI-1) and tissue inhibitor of metalloproteinases (TIMPs), and the cellular motility in PGE2-stimulated human LoVo cells. 17β-Estradiol and the inhibitors including LY294002 (Akt activation inhibitor), U0126 (ERK1/2 inhibitor), SB203580 (p38 MAPK inhibitor), SP600125 (JNK1/2 inhibitor), QNZ (NFκB inhibitor) and ICI 182 780 were further used to explore the inhibitory effects of 17β-estradiol on PGE2-induced LoVo cell motility. Student's t-test was used to analyze the difference between the two groups. Results Upregulation of urokinase plasminogen activator (uPA), tissue plasminogen activator (tPA) and matrix metallopeptidases (MMPs) is reported to associate with the development of cancer cell mobility, metastasis, and subsequent malignant tumor. After administration of inhibitors including LY294002, U0126, SB203580, SP600125 or QNZ, we found that PGE2 treatment up-regulated uPA and MMP-9 expression via JNK1/2 signaling pathway, thus promoting cellular motility in human LoVo cancer cells. However, PGE2 treatment showed no effects on regulating expression of tPA, MMP-2, plasminogen activator inhibitor-1 (PAI-1), tissue inhibitor of metalloproteinase-1, -2, -3 and -4 (TIMP-1, -2, -3 and -4). We further observed that 17β-estradiol treatment inhibited PGE2-induced uPA, MMP-9 and cellular motility by suppressing activation of JNK1/2 in human LoVo cancer cells. Conclusions Collectively, these results suggest that 17β-estradiol treatment significantly inhibits PGE2-induced motility of human LoVo colon cancer cells.
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Affiliation(s)
- Hsi-Hsien Hsu
- 1Division of Colorectal Surgery, Mackay Memorial Hospital, Taipei, Taiwan
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Remacle AG, Shiryaev SA, Radichev IA, Rozanov DV, Stec B, Strongin AY. Dynamic interdomain interactions contribute to the inhibition of matrix metalloproteinases by tissue inhibitors of metalloproteinases. J Biol Chem 2011; 286:21002-12. [PMID: 21518756 DOI: 10.1074/jbc.m110.200139] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Because of their important function, matrix metalloproteinases (MMPs) are promising drug targets in multiple diseases, including malignancies. The structure of MMPs includes a catalytic domain, a hinge, and a hemopexin domain (PEX), which are followed by a transmembrane and cytoplasmic tail domains or by a glycosylphosphatidylinositol linker in membrane-type MMPs (MT-MMPs). TIMPs-1, -2, -3, and -4 are potent natural regulators of the MMP activity. These are the inhibitory N-terminal and the non-inhibitory C-terminal structural domains in TIMPs. Based on our structural modeling, we hypothesized that steric clashes exist between the non-inhibitory C-terminal domain of TIMPs and the PEX of MMPs. Conversely, a certain mobility of the PEX relative to the catalytic domain is required to avoid these obstacles. Because of its exceedingly poor association constant and, in contrast with TIMP-2, TIMP-1 is inefficient against MT1-MMP. We specifically selected an MT1-MMP·TIMP-1 pair to test our hypothesis, because any improvement of the inhibitory potency would be readily recorded. We characterized the domain-swapped MT1-MMP chimeras in which the PEX of MMP-2 (that forms a complex with TIMP-2) and of MMP-9 (that forms a complex with TIMP-1) replaced the original PEX in the MT1-MMP structure. In contrast with the wild-type MT1-MMP, the diverse proteolytic activities of the swapped-PEX chimeras were then inhibited by both TIMP-1 and TIMP-2. Overall, our studies suggest that the structural parameters of both domains of TIMPs have to be taken into account for their re-engineering to harness the therapeutic in vivo potential of the novel TIMP-based MMP antagonists with constrained selectivity.
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Affiliation(s)
- Albert G Remacle
- Cancer Research Center, Sanford-Burnham Medical Research Institute, La Jolla, California 92037, USA
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Ma X, Tang Z, Wang N, Zhao S, Wang R, Tan L, Mu Y, Li K. Identification of extracellular matrix and cell adhesion molecule genes associated with muscle development in pigs. DNA Cell Biol 2011; 30:469-79. [PMID: 21476946 DOI: 10.1089/dna.2011.1218] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Extracellular matrix (ECM) and cell adhesion molecule (CAM) genes are involved in the regulation of skeletal muscle development; however, their roles in skeletal muscle development in pigs are still poorly understood. 65 days postcopulation (dpc) is a critical time point in pig development. Therefore, we analyzed expression of ECM and CAM genes in the longissimus dorsi muscles at 65 dpc from Landrace (lean-type: L65), Tongcheng (obese-type: T65), and Wuzhishan pigs (miniature-type: W65) using microarray technology. A total of 35 genes were differently expressed between the breeds, and of them, 18, 18, and 20 genes, were observed in the comparisons of L65 versus T65, L65 versus W65, and T65 versus W65 (L65/T65, L65/W65, and T65/W65), respectively. In L65/T65, differently expressed genes were widely distributed, whereas in L65/W65 and T65/W65, they mostly focused on the genes encoding CAMs and ECMs proteins. Moreover, the largest number of up-regulated genes involved in skeletal muscle development was detected in L65, a moderate number in W65, and the smallest number was in T65. Cluster analysis suggested that T65 showed a more similar expression pattern to L65 than W65. In addition, we validated that five genes from microarray data were more highly expressed in the prenatal as compared to postnatal periods in Landrace and Tongcheng pigs and showed a greater range of high-level expression during gestation in Landrace than Tongcheng pigs. Our data indicated that ECM and CAM genes are differently expressed among the three breeds, and more complicated molecular events involving CAMs and ECMs were observed in Wuzhishan pigs. This study advances our knowledge of the molecular basis of phenotypic variation and provides a helpful resource for the identification of candidate genes associated with meat production traits in pigs.
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Affiliation(s)
- Xishan Ma
- Department of Gene and Cell Engineering, State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Science, Beijing, PR China
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Regulation of MMP-2 expression and activity by β-1,3-N-acetylglucosaminyltransferase-8 in AGS gastric cancer cells. Mol Biol Rep 2010; 38:1541-50. [PMID: 20963502 DOI: 10.1007/s11033-010-0262-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2010] [Accepted: 09/02/2010] [Indexed: 01/03/2023]
Abstract
β-1,3-N-acetylglucosaminyltransferase-8(β3Gn-T8) catalyzes the transfer of GlcNAc to the non-reducing terminus of the Galβ1-4GlcNAc of tetraantennary N-glycan in vitro. It has been reported to be involved in malignant tumors, but a comprehensive understanding of how the glycolsyltransferase correlates with the invasive potential of human gastric cancer is not currently available. Therefore, we investigated the ability and possible mechanism involved with β3Gn-T8 in modulating matrix metalloproteinase-2 (MMP-2) and tissue inhibitor of metalloproteinase-2 (TIMP-2) in AGS gastric cancer cells. Here, we found out that siRNA-mediated suppression of the β3Gn-T8 could directly reduce the MMP-2 expression and activity as observed in RT-PCR, western blot and gelatin zymography analysis. Meanwhile, TIMP-2 expression had been increased. Cell invasion assay using matrigel matrix-coated transwell inserts showed that the invasive property was greatly suppressed in β3Gn-T8 siRNA transfected cells. Furthermore, cells overexpressing β3Gn-T8 gene (when transfected with pEGFP-C1 plasmid) also expressed MMP-2 gene, but TIMP-2 expression had been inhibited. The invasive ability of these cells was also enhanced. Protein-protein interaction analysis using STRING database showed that β3Gn-T8 and MMP-2 may have related signal pathway. In summary, our results reveal a new mechanism by which β3Gn-T8 can regulate MMP-2 and TIMP-2. We suggest that β3Gn-T8 can be used as a novel therapeutic target for human gastric treatment.
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Emara M, Wozniak M. In vitroInhibition of Human MMP-2 Collagenolytic and Gelatinolytic Activity by Neutralizing Monoclonal Antibodies. Immunol Invest 2010; 39:833-48. [DOI: 10.3109/08820139.2010.502948] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Makino H, Shimada H, Morioka D, Kunisaki C, Morita T, Matsuyama R, Kubota T, Shimizu D, Ichikawa Y, Tanaka K, Matsuo K, Togo S, Endo I, Nagashima Y, Okazaki Y, Hayashizaki Y. Analysis of gene expression profiles in fatal hepatic failure after hepatectomy in mice. J Surg Res 2010; 169:36-43. [PMID: 20444472 DOI: 10.1016/j.jss.2009.11.722] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2009] [Revised: 09/17/2009] [Accepted: 11/19/2009] [Indexed: 11/29/2022]
Abstract
BACKGROUND We developed 90%-hepatectomized mice that were the fatal model, and analyzed the gene expression profiles using a complementary DNA (cDNA) microarray to clarify the mechanisms of hepatic failure after excessive hepatectomy. MATERIALS AND METHODS Ribonucleic acid (RNA)s from the remnant hepatic tissue of 70%- and 90%-hepatectomized mice were labeled with fluorescent dyes, and hybridized to the Riken set of 39,168 full-length enriched mouse cDNA arrays. The gene expression profiles in 90%- and 70%-hepatectomized mice were analyzed by scanning date for fluorescent dye signals. RESULTS The down-regulated genes in 90%-hepatectomized mice were genes activating extracellular matrix (ECM) remodeling (matrix metalloproteinases, laminins, and integrins), genes related to cytokines (tumor necrosis factor α converting enzyme, and Janus kinase 3) that were related to the priming, genes related to growth factor (heparin-binding epidermal growth factor-like growth factor and others), and genes promoting cell cycle progression (cyclin D1, D2, and E2) that were related to the progression of hepatocytes. The up-regulated genes were genes inhibiting ECM remodeling [plasminogen activator inhibitors (PAIs)]. CONCLUSIONS Hepatic failure after hepatectomy was characterized by the inhibition of hepatic cell cycle priming and progression both induced by ECM remodeling in liver regeneration. Particularly, the overexpression of PAIs was thought to play the major role in the first step of inhibition of ECM remodeling.
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Affiliation(s)
- Hirochika Makino
- Department of Gastroenterological Surgery, Yokohama City University School Graduate of Medicine, Yokohama, Japan.
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Shin DS, Park JW, Suh JY, Lee JM. The expressions of inflammatory factors and tissue inhibitor of matrix metalloproteinase-2 in human chronic periodontitis with type 2 diabetes mellitus. J Periodontal Implant Sci 2010; 40:33-8. [PMID: 20498757 PMCID: PMC2872806 DOI: 10.5051/jpis.2010.40.1.33] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2009] [Accepted: 02/03/2010] [Indexed: 11/08/2022] Open
Abstract
PURPOSE The purpose of this study was to observe and quantify the expression of interleukin-4 (IL-4), interferon-gamma (IFN-gamma), and tissue inhibitor of matrix metalloproteinase-2 (TIMP-2) in the gingival tissue of patients with type 2 diabetes mellitus (DM) and healthy adults with chronic periodontitis. METHODS Twelve patients with type 2 DM and chronic periodontitis (Group 3), twelve patients with chronic periodontitis (Group 2), and twelve healthy individuals (Group 1) were included in the study. Clinical criteria of gingival (sulcus bleeding index value, probing depths) and radiographic evidences of bone resorption were divided into three groups. The concentrations of cytokines were determined by a western blot analysis and compared using one-way ANOVA followed by Tukey's test. RESULTS The expression levels of IFN-gamma and TIMP-2 showed an increasing tendency in Groups 2 and 3 when compared to Group 1. On the other hand, the expression of IL-4 was highest in Group 1. CONCLUSIONS The findings suggest that IFN-gamma and TIMP-2 may be involved in the periodontal inflammation associated with type 2 DM. IL-4 may be involved in the retrogression of the periodontal inflammation associated with type 2 DM.
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Affiliation(s)
- Dong-Seok Shin
- Department of Periodontology, Kyungpook National University School of Dentistry, Daegu, Korea
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Wang C, Chen Z, Li Z, Cen J. The essential roles of matrix metalloproteinase-2, membrane type 1 metalloproteinase and tissue inhibitor of metalloproteinase-2 in the invasive capacity of acute monocytic leukemia SHI-1 cells. Leuk Res 2010; 34:1083-90. [PMID: 20138666 DOI: 10.1016/j.leukres.2010.01.016] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2009] [Revised: 01/17/2010] [Accepted: 01/18/2010] [Indexed: 11/28/2022]
Abstract
The frequency of extramedullary infiltration (EMI) in acute myeloblastic leukemia (AML) is reported up to 40% and most prevalent in myelo-monoblastic and monoblastic subtypes of AML (M4 and M5 according to FAB classification). The majority of patients with EMI suffered poor prognosis. To explore mechanism underlying EMI, we analyzed SHI-1 cells, a highly invasive human acute monocytic leukemia cell line, and found their strong expression of matrix metalloproteinase 2 (MMP-2), membrane type 1 MMP (MT1-MMP) and tissue inhibitor of metalloproteinase 2 (TIMP-2). SHI-1 cells showed higher invasive ability to traverse reconstituted basement membranes (Matrigel) and stronger activation of proMMP-2 than other leukemia cell line such as NB4, K562, U937 and THP-1 cells. When co-cultured with bone marrow stromal cells (BMSCs), the invasive capacity and proMMP-2 activation of SHI-1 cells enhanced remarkably. Furthermore, the inhibition of MMP-2, MT1-MMP, or TIMP-2 by small interfering RNA (siRNA) substantially impaired SHI-1 cells invasion and decreased proMMP-2 activation. In the contrast, up-regulated expression of TIMP-2 for 2-3 folds level increased cell invasion and proMMP-2 activation. These results demonstrated that constitutively high expression of MMP-2, MT1-MMP and TIMP-2 in SHI-1 cells facilitated cell invasion by promoting proMMP-2 activation. Moreover, up-regulation of TIMP-2 exhibited not a repressive but an activating effect on SHI-1 cells invasion. Our study indicated that increasing TIMP-2 in AML patients with EMI may potentially cause adverse effects, particularly in patients containing high levels of MMP-2 and MT1-MMP.
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Affiliation(s)
- Chunling Wang
- Leukemia Research Unit, Jiangsu Institute of Hematology, 1st Affiliated Hospital, Soochow University, 188 Shizi Street, Suzhou, 215006, China
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Sato Y, Kishi J, Suzuki K, Nakamura H, Hayakawa T. Sonic extracts from a bacterium related to periapical disease activate gelatinase A and inactivate tissue inhibitor of metalloproteinases TIMP-1 and TIMP-2. Int Endod J 2010; 42:1104-11. [PMID: 19912382 DOI: 10.1111/j.1365-2591.2009.01640.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
AIM To examine the effects of sonicated bacterial extracts (SBEs) from three related to periapical disease bacteria (Porphyromonas gingivalis, P. endodontalis and F. nucleatum) on the activation of matrix metalloproteinase (MMP-2) and the inactivation of tissue inhibitors of metalloproteinase (TIMP-1 and TIMP-2). METHODOLOGY Each SBE was added to cultures of human periodontal ligament (PL) cells or HT1080 cells and their supernatants were analysed by zymography for MMP-2. Each SBE was added to PL cell cultures, and the amount of TIMP-1 was determined by ELISA. P. gingivalis SBE was incubated with HT1080 cell culture supernatants, and the amounts of TIMP-1 and TIMP-2 were determined by ELISA. Statistical analysis was performed with the paired Student's t-test. RESULTS In extracts of PL cells that had been incubated in the presence of P. gingivalis SBE, one representing pro-MMP-2 (72 kDa) and a band corresponding to the active MMP-2 (66 kDa) were observed; but in the other extracts it was not detected. When HT1080 cells were treated with P. gingivalis SBE, the pro-MMPs was processed into 86- and 66-kDa fragments, but in the other extracts, the processing did not occur when the other SBEs were used. When PL cells were incubated with the same SBEs, the amount of TIMP-1 was markedly decreased (P < 0.01), but in the other extracts, it was not. The amounts of both TIMP-1 and TIMP-2 were decreased in a dose-dependent manner when HT1080 cell culture supernatant was incubated with P. gingivalis SBE. CONCLUSIONS These findings suggest that P. gingivalis SBE may cause connective tissue to be destroyed, contributing to the process of periapical disease, by activating pro-MMP-2 as well as by inactivating TIMP-1 and TIMP-2.
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Affiliation(s)
- Y Sato
- Department of Endodontics, School of Dentistry, Aichi-Gakuin University, Nagoya 464-8651, Japan
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Identification of compounds that inhibit IGF-I signaling in hyperglycemia. EXPERIMENTAL DIABETES RESEARCH 2010; 2009:267107. [PMID: 20111736 PMCID: PMC2810469 DOI: 10.1155/2009/267107] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2009] [Accepted: 11/09/2009] [Indexed: 11/23/2022]
Abstract
Increased
responsiveness of vascular cells to the growth
factor IGF-I has been implicated in
complications associated with diabetes. Here we
describe the development of an assay and
screening of a library of compounds for their
ability to accelerate cleavage of the
transmembrane protein integrin-associated
protein (IAP) thereby disrupting the association
between IAP and SHPS-1 which we have shown as
critical for the enhanced response of vascular
cells to IGF-I. The cell-based ELISA utilizes an
antibody that specifically detects cleaved, but
not intact, IAP. Of the 1040 compounds tested, 14
were considered active by virtue of their
ability to stimulate an increase in antibody-binding indicative of IAP cleavage. In
experiments with smooth muscle and retinal
endothelial cell cultures in hyperglycemic
conditions, each active compound was shown to
accelerate the cleavage of IAP, and this was
associated with a decrease in IAP association
with SHPS-1 as determined by
coimmunoprecipitation of the proteins from cell
lysates. As a consequence of the acceleration in
IAP cleavage, the compounds were shown to inhibit
IGF-I-stimulated phosphorylation of key
signaling molecules including Shc and ERK1/2, and
this in turn was associated with a decrease in
IGF-I-stimulated cell proliferation.
Identification of these compounds that utilize
this mechanism has the potential to yield novel
therapeutic approaches for the prevention and
treatment of vascular complications associated
with diabetes.
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Homocysteine modulates the proteolytic potential of human arterial smooth muscle cells through a reactive oxygen species dependant mechanism. Mol Cell Biochem 2009; 335:203-10. [PMID: 19787299 DOI: 10.1007/s11010-009-0270-7] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2009] [Accepted: 09/16/2009] [Indexed: 02/06/2023]
Abstract
Pathological levels of homocysteine induce a dramatic degradation of arterial elastic structures. This severe metalloproteinase-dependant elastolysis affects elastic structures all over the media suggesting that smooth muscle cells (SMC) may participate to this process induced by homocysteine. Therefore, we investigated the effect of physiological (10 microM) and pathological (50, 100, and 500 microM) concentrations of homocysteine on the metalloproteinase-dependant proteolytic potential of human arterial SMC in culture. Pathological levels of homocysteine increased concomitantly the secretion of latent MMP-2 and TIMP-2 while the secretion of other elastolytic matrix metalloproteinases (MMPs) and expression of MT1-MMP were not altered. The increased secretion of latent MMP-2 induced by homocysteine was associated with an increased production of reactive oxygen species (ROS). Moreover, the increased secretion of latent MMP-2 induced by homocysteine was inhibited by antioxidant superoxide dismutase alone or in combination with catalase. These results suggest that SMC could participate, through an oxidative stress dependant secretion of elastolytic MMP-2, to the metalloproteinase-dependant degradation of arterial elastic structures induced by homocysteine.
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Takagi M. Neutral proteinases and their inhibitors in the loosening of total hip prostheses. ACTA ACUST UNITED AC 2009. [DOI: 10.3109/17453679609155232] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Yan S, Zhou C, Lou X, Xiao Z, Zhu H, Wang Q, Wang Y, Lu N, He S, Zhan Q, Liu S, Xu N. PTTG Overexpression Promotes Lymph Node Metastasis in Human Esophageal Squamous Cell Carcinoma. Cancer Res 2009; 69:3283-90. [DOI: 10.1158/0008-5472.can-08-0367] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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