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García-López C, Rodríguez-Calvo-de-Mora M, Borroni D, Sánchez-González JM, Romano V, Rocha-de-Lossada C. The role of matrix metalloproteinases in infectious corneal ulcers. Surv Ophthalmol 2023; 68:929-939. [PMID: 37352980 DOI: 10.1016/j.survophthal.2023.06.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 06/06/2023] [Accepted: 06/19/2023] [Indexed: 06/25/2023]
Abstract
During infectious keratitis, the production of collagenolytic and inflammatory substances, along with increased corneal matrix metalloproteinase (MMP) activity, induces the degradation of corneal collagen and may cause postkeratitis complications, such as opacity, thinning, and corneal perforation. MMPs, especially MMP-2 and MMP-9, are overexpressed in infectious keratitis and sustained over time by inflammatory and nonmicrobial mechanisms. The high MMP levels are correlated with excessive corneal destruction in bacterial, herpetic, fungal, and acanthamoeba infections. Nonspecific treatments, such as tetracyclines, particularly doxycycline, or corticosteroids, are used as adjuvants to antimicrobials to alleviate the disproportionate degradation and inflammation of the corneal layers caused by corneal MMPs and decrease the recruitment and infiltration of inflammatory cells. Treatments showing inhibition of specific MMPs (Galardin, ZHAWOC7726), interfering with pro-MMP activation (EDTA, ascorbic acid), or showing anticytokine effect (epigallocatechin-2-gallate, TRAM-34) have been reported. Other treatments show a direct action over corneal collagen structure such as corneal cross-linking or have been associated with reduction of MMP levels such as amniotic membrane grafting. Although the use of these drugs has been shown in studies to be effective in controlling inflammation, especially in experimental ones, robust studies are still needed based on randomized and randomized clinical trials to demonstrate their potential effect as adjuvants in the management of infectious keratitis.
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Affiliation(s)
- Celia García-López
- Department of Ophthalmology, Hospital Universitario Virgen de las Nieves, Granada, Spain
| | - Marina Rodríguez-Calvo-de-Mora
- Department of Ophthalmology, Hospital Regional Universitario de Málaga, Málaga, Spain; Department of Ophthalmology (Qvision), Vithas Almería, Almería, Spain; Department of Ophthalmology, VITHAS Málaga, Málaga, Spain
| | - Davide Borroni
- Department of Doctoral Studies, Riga Stradins University, Riga, Latvia; Cornea Research Unit, ADVALIA Vision, Milan, Italy
| | | | - Vito Romano
- Eye Unit, ASST Spedali Civili di Brescia, Brescia, Italy; Eye Unit, Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University of Brescia, Brescia, Italy; Department of Eye and Vision Science, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Carlos Rocha-de-Lossada
- Department of Ophthalmology, Hospital Regional Universitario de Málaga, Málaga, Spain; Department of Ophthalmology (Qvision), Vithas Almería, Almería, Spain; Department of Ophthalmology, VITHAS Málaga, Málaga, Spain; Department of Surgery, Ophthalmology Area, University of Seville, Seville, Spain
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Silva Filho BF, Filipak Neto F, Marchi MD, Moggio EL, Rossi IV, Sabatke B, Ramirez MI, Lucena MCDS, Todeschini AR, Oliveira Ribeiro CAD. BDE-209 and TCDD enhance metastatic characteristics of melanoma cells after chronic exposure. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 313:120140. [PMID: 36100121 DOI: 10.1016/j.envpol.2022.120140] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 09/01/2022] [Accepted: 09/05/2022] [Indexed: 06/15/2023]
Abstract
TCDD (2,3,7,8-tetrachlorodibenzo-p-dioxin) and BDE-209 (decabromodiphenyl ether) are persistent organic pollutants (POPs) produced by industrial activities and associated with several diseases. TCDD is a known human carcinogen, but few studies investigated about the effects of exposure to both compounds, i.e., whether BDE-209 and TCDD can render tumor cells more aggressive and metastatic. In the current study we investigated if the exposure of B16-F1 and B16-F10 melanoma murine cells to environmental relevant concentrations of TCDD and BDE-209 at 24 h and 15-day exposure modulates the expression of genes related to metastasis, making the cells more aggressive. Both pollutants did not affect cell viability but lead to increase of cell proliferation, including the upregulation of vimentin, MMP2, MMP9, MMP14 and PGK1 gene expression and downregulation of E-cadherin, TIMP2, TIMP3 and RECK, strongly suggesting changes in cell phenotypes defined as epithelial to mesenchymal transition (EMT) in BDE-209 and TCDD-exposed cells. Foremost, increased expression of metalloproteinases and decreased expression of their inhibitors made B16-F1 cells similar the more aggressive B16-F10 cell line. Also, the higher secretion of extracellular vesicles by cells after acute exposure to BDE-209 could be related with the phenotype changes. These results are a strong indication of the potential of BDE-209 and TCDD to modulate cell phenotype, leading to a more aggressive profile.
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Affiliation(s)
- Benisio Ferreira Silva Filho
- Laboratório de Toxicologia Celular, Departamento de Biologia Celular, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil; Programa de Pós-Graduação Em Biologia Celular e Molecular, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil
| | - Francisco Filipak Neto
- Laboratório de Toxicologia Celular, Departamento de Biologia Celular, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil; Programa de Pós-Graduação Em Biologia Celular e Molecular, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil
| | - Micheli de Marchi
- Laboratório de Toxicologia Celular, Departamento de Biologia Celular, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil; Programa de Pós-Graduação Em Biologia Celular e Molecular, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil
| | - Erick Laurent Moggio
- Laboratório de Toxicologia Celular, Departamento de Biologia Celular, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil; Programa de Pós-Graduação Em Biologia Celular e Molecular, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil
| | - Izadora Volpato Rossi
- Programa de Pós-Graduação Em Biologia Celular e Molecular, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil; Laboratório de Biologia Molecular e Sistemática de Tripanossomatideos, Instituto Carlos Chagas -Fiocruz PR, CEP 81.350-010, Curitiba, PR, Brazil
| | - Bruna Sabatke
- Laboratório de Biologia Molecular e Sistemática de Tripanossomatideos, Instituto Carlos Chagas -Fiocruz PR, CEP 81.350-010, Curitiba, PR, Brazil; Programa de Pós-Graduação Em Microbiologia, Parasitologia e Patologia, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil
| | - Marcel Ivan Ramirez
- Programa de Pós-Graduação Em Biologia Celular e Molecular, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil; Laboratório de Biologia Molecular e Sistemática de Tripanossomatideos, Instituto Carlos Chagas -Fiocruz PR, CEP 81.350-010, Curitiba, PR, Brazil; Programa de Pós-Graduação Em Microbiologia, Parasitologia e Patologia, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil
| | - Miguel Clodomiro Dos Santos Lucena
- Laboratório de Glicobiologia Estrutural e Funcional. Instituto Carlos Chagas Filho. Universidade Federal Do Rio de Janeiro, CEP 21.941-902, Rio de Janeiro, RJ, Brazil
| | - Adriane Regina Todeschini
- Laboratório de Glicobiologia Estrutural e Funcional. Instituto Carlos Chagas Filho. Universidade Federal Do Rio de Janeiro, CEP 21.941-902, Rio de Janeiro, RJ, Brazil
| | - Ciro Alberto de Oliveira Ribeiro
- Laboratório de Toxicologia Celular, Departamento de Biologia Celular, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil; Programa de Pós-Graduação Em Biologia Celular e Molecular, Universidade Federal Do Paraná, CEP 81.531-990, Curitiba, PR, Brazil.
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Hypertension secondary to nitric oxide depletion produces oxidative imbalance and inflammatory/fibrotic outcomes in the cornea of C57BL/6 mice. J Physiol Biochem 2022; 78:915-932. [PMID: 35943663 PMCID: PMC9684300 DOI: 10.1007/s13105-022-00916-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 07/28/2022] [Indexed: 10/15/2022]
Abstract
Arterial hypertension (AH) leads to oxidative and inflammatory imbalance that contribute to fibrosis development in many target organs. Here, we aimed to highlight the harmful effects of severe AH in the cornea. Our experimental model was established by administration of NG-nitro-L-arginine-methyl-ester (L-NAME) to C57BL/6 mice, which were monitored weekly for arterial blood pressure and intraocular pressure (IOP). Morphological studies of ocular tissues were accompanied by analyses of reactive oxygen species generation, and localization/expression of NAPDH oxidase isoforms (NOX1, NOX2, NOX4) and inflammatory biomarkers (PPARα, PPARγ, IL-1β, IL-6, IL-10, TNF-α, and COX-2). Masson's trichrome and Sirius Red staining were used to explore the fibrotic status of the cornea. The expression of collagen isoforms (COL1α1, COL1α2, COL3α1, COL4α1, COL4α2) and relevant metalloproteinases (MMPs) and their tissue inhibitors (TIMPs) were also quantified to evaluate the participation of collagen metabolism in AH-related corneal damage. Hypertensive animals showed an increase in IOP values, and a thinner cornea compared with normotensive controls. Moreover, AH increased NADPH oxidase activity and reactive oxygen species generation in the cornea, which was accompanied by transcriptional upregulation of NOX isoforms and inflammatory biomarkers, while reducing PPAR expression. L-NAME-treated animals also developed corneal fibrosis with overexpression of collagen isoforms and reduction of factors responsible for collagen degradation. This is the first study reporting structural changes in the cornea and elevated IOP in L-NAME-treated mice. Overexpression of the NADPH oxidase system and collagen deposition might play a substantial role in the pathogenic mechanisms contributing to ocular disturbances in a context of severe hypertension.
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Zhao X, Chen J, Sun H, Zhang Y, Zou D. New insights into fibrosis from the ECM degradation perspective: the macrophage-MMP-ECM interaction. Cell Biosci 2022; 12:117. [PMID: 35897082 PMCID: PMC9327238 DOI: 10.1186/s13578-022-00856-w] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Accepted: 07/16/2022] [Indexed: 02/06/2023] Open
Abstract
Fibrosis is a pathological feature of a variety of chronic inflammatory diseases that can affect almost all organs, which can cause severe consequences and even lead to death. Fibrosis is characterized by the excessive accumulation of extracellular matrix (ECM) due to disruption of the balance between ECM production and degradation. Although overabundance of ECM proteins has long been the focus of studies on fibrosis, another facet of the problem—impaired degradation of the ECM—is gaining increasing attention. Matrix metalloproteinase (MMP) and the tissue inhibitor of metalloproteinase (TIMP) system is the main molecular system contributing to ECM degradation, and macrophages are the major regulators of ECM. However, the relationship among macrophages, the MMP/TIMP system and the ECM is not fully understood in the context of fibrosis. Here, we discuss in detail the role played by the ECM in the development of fibrosis and highlight the macrophage-MMP-ECM interaction that is involved in fibrogenesis and may be a potential therapeutic target for fibrosis.
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Affiliation(s)
- Xiangyu Zhao
- Department of Gastroenterology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiayin Chen
- Department of Gastroenterology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hongxiang Sun
- Department of Immunology and Microbiology, Shanghai Institute of Immunology, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,The State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yao Zhang
- Department of Gastroenterology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Duowu Zou
- Department of Gastroenterology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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Nissen EJ, Saeger M, Nölle B, Roider J. Clinicopathological Correlation of Microbial Keratitis and Ahead: Is There a Corneal Sepsis? Klin Monbl Augenheilkd 2022; 239:857-866. [PMID: 35858596 DOI: 10.1055/a-1811-7171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Microbial, infectious keratitis is a relevant indication for penetrating keratoplasty. The requirement for transplantation results in histopathological examination of the entire thickness of the cornea. Although the clinical diagnosis is not always possible to confirm, pathology can support diagnostic evidence of clinical presentation and pathogenesis. This is achieved with multiple methods from cytology, histochemistry, immunohistology, molecular pathology and in rare cases electron microscopy. These allow tissue-based detection of previous and parallel diseases and the responsible pathogens. The failure of satisfactory clinicopathological correlation raises the question whether a suspected pathogen was not ultimately responsible for destroyed corneal tissue. The pathogenesis of keratitis requiring transplantation is not yet completely understood, also on the experimental level. The development of such a keratitis can lead to a clinical symptomatology which can be described as "threatening organ dysfunction", a term used in sepsis research. Considering recent literature, possible correlations between sepsis and microbial keratitis and their relation to histopathology are discussed.
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Affiliation(s)
- Ebba J Nissen
- Klinik für Ophthalmologie, Universitätsklinikum Schleswig-Holstein, Campus Kiel, Deutschland
| | - Mark Saeger
- Klinik für Ophthalmologie, Universitätsklinikum Schleswig-Holstein, Campus Kiel, Deutschland
| | - Bernhard Nölle
- Klinik für Ophthalmologie, Universitätsklinikum Schleswig-Holstein, Campus Kiel, Deutschland
| | - Johann Roider
- Klinik für Ophthalmologie, Universitätsklinikum Schleswig-Holstein, Campus Kiel, Deutschland
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