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Boddu VK, Zamzow P, Kramer MW, Merseburger AS, Gorantla SP, Klinger M, Cramer L, Sauer T, Gemoll T, von Bubnoff N, Gieseler F, Darabi M. Targeting cancer-derived extracellular vesicles by combining CD147 inhibition with tissue factor pathway inhibitor for the management of urothelial cancer cells. Cell Commun Signal 2024; 22:129. [PMID: 38360687 PMCID: PMC10870545 DOI: 10.1186/s12964-024-01508-x] [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: 08/28/2023] [Accepted: 01/31/2024] [Indexed: 02/17/2024] Open
Abstract
BACKGROUND Extracellular vesicles (EVs), including microvesicles, hold promise for the management of bladder urothelial carcinoma (BLCA), particularly because of their utility in identifying therapeutic targets and their diagnostic potential using easily accessible urine samples. Among the transmembrane glycoproteins highly enriched in cancer-derived EVs, tissue factor (TF) and CD147 have been implicated in promoting tumor progression. In this in vitro study, we explored a novel approach to impede cancer cell migration and metastasis by simultaneously targeting these molecules on urothelial cancer-derived EVs. METHODS Cell culture supernatants from invasive and non-invasive bladder cancer cell lines and urine samples from patients with BLCA were collected. Large, microvesicle-like EVs were isolated using sequential centrifugation and characterized by electron microscopy, nanoparticle tracking analysis, and flow cytometry. The impact of urinary or cell supernatant-derived EVs on cellular phenotypes was evaluated using cell-based assays following combined treatment with a specific CD147 inhibitor alone or in combination with a tissue factor pathway inhibitor (TFPI), an endogenous anticoagulant protein that can be released by low-molecular-weight heparins. RESULTS We observed that EVs obtained from the urine samples of patients with muscle-invasive BLCA and from the aggressive bladder cancer cell line J82 exhibited higher TF activity and CD147 expression levels than did their non-invasive counterparts. The shedding of GFP-tagged CD147 into isolated vesicles demonstrated that the vesicles originated from plasma cell membranes. EVs originating from invasive cancer cells were found to trigger migration, secretion of matrix metalloproteinases (MMPs), and invasion. The same induction of MMP activity was replicated using EVs obtained from urine samples of patients with invasive BLCA. EVs derived from cancer cell clones overexpressing TF and CD147 were produced in higher quantities and exhibited a higher invasive potential than those from control cancer cells. TFPI interfered with the effect when used in conjunction with the CD147 inhibitor, further suppressing homotypic EV-induced migration, MMP production, and invasion. CONCLUSIONS Our findings suggest that combining a CD147 inhibitor with low molecular weight heparins to induce TFPI release may be a promising therapeutic approach for urothelial cancer management. This combination can potentially suppress the tumor-promoting actions of cancer-derived microvesicle-like EVs, including collective matrix invasion.
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Affiliation(s)
- Vijay Kumar Boddu
- Department of Hematology and Oncology, Section for Experimental Oncology, University Hospital Schleswig-Holstein, Lübeck, Germany
| | - Piet Zamzow
- Department of Hematology and Oncology, Section for Experimental Oncology, University Hospital Schleswig-Holstein, Lübeck, Germany
| | | | - Axel S Merseburger
- Department of Urology, University Hospital Schleswig-Holstein, Lübeck, Germany
| | | | | | - Lena Cramer
- Department of Hematology and Oncology, Section for Experimental Oncology, University Hospital Schleswig-Holstein, Lübeck, Germany
| | - Thorben Sauer
- Department of Surgery, Section for Translational Surgical Oncology and Biobanking, University Hospital Schleswig-Holstein, Lübeck, Germany
| | - Timo Gemoll
- Department of Surgery, Section for Translational Surgical Oncology and Biobanking, University Hospital Schleswig-Holstein, Lübeck, Germany
| | - Nikolas von Bubnoff
- Department of Urology, University Hospital Schleswig-Holstein, Lübeck, Germany
- University Cancer Center Schleswig-Holstein (UCCSH), Lübeck, Germany
| | - Frank Gieseler
- Department of Hematology and Oncology, Section for Experimental Oncology, University Hospital Schleswig-Holstein, Lübeck, Germany
- University Cancer Center Schleswig-Holstein (UCCSH), Lübeck, Germany
| | - Masoud Darabi
- Department of Hematology and Oncology, Section for Experimental Oncology, University Hospital Schleswig-Holstein, Lübeck, Germany.
- University Cancer Center Schleswig-Holstein (UCCSH), Lübeck, Germany.
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Williams MD, Bullock MT, Johnson SC, Holland NA, Vuncannon DM, Oswald JZ, Adderley SP, Tulis DA. Protease-Activated Receptor 2 Controls Vascular Smooth Muscle Cell Proliferation in Cyclic AMP-Dependent Protein Kinase/Mitogen-Activated Protein Kinase Kinase 1/2-Dependent Manner. J Vasc Res 2023; 60:213-226. [PMID: 37778342 PMCID: PMC10614497 DOI: 10.1159/000532032] [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: 03/17/2023] [Accepted: 07/06/2023] [Indexed: 10/03/2023] Open
Abstract
INTRODUCTION Cardiovascular disorders are characterized by vascular smooth muscle (VSM) transition from a contractile to proliferative state. Protease-activated receptor 2 (PAR2) involvement in this phenotypic conversion remains unclear. We hypothesized that PAR2 controls VSM cell proliferation in phenotype-dependent manner and through specific protein kinases. METHODS Rat clonal low (PLo; P3-P6) and high passage (PHi; P10-P15) VSM cells were established as respective models of quiescent and proliferative cells, based on reduced PKG-1 and VASP. Western blotting determined expression of cytoskeletal/contractile proteins, PAR2, and select protein kinases. DNA synthesis and cell proliferation were measured 24-72 h following PAR2 agonism (SLIGRL; 100 nM-10 μm) with/without PKA (PKI; 10 μm), MEK1/2 (PD98059; 10 μm), and PI3K (LY294002; 1 μm) blockade. RESULTS PKG-1, VASP, SM22α, calponin, cofilin, and PAR2 were reduced in PHi versus PLo cells. Following PAR2 agonism, DNA synthesis and cell proliferation increased in PLo cells but decreased in PHi cells. Western analyses showed reduced PKA, MEK1/2, and PI3K in PHi versus PLo cells, and kinase blockade revealed PAR2 controls VSM cell proliferation through PKA/MEK1/2. DISCUSSION Findings highlight PAR2 and PAR2-driven PKA/MEK1/2 in control of VSM cell growth and provide evidence for continued investigation of PAR2 in VSM pathology.
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Affiliation(s)
- Madison D Williams
- Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, North Carolina, USA
| | - Michael T Bullock
- Edward Via College of Osteopathic Medicine, Carolinas Campus, Spartanburg, South Carolina, USA
| | - Sean C Johnson
- Department of Internal Medicine/Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Nathan A Holland
- Department of Medical Education, Texas Tech University Health Sciences Center El Paso, El Paso, Texas, USA
| | - Danielle M Vuncannon
- Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Joani Zary Oswald
- Department of Anatomy and Cell Biology, Brody School of Medicine, East Carolina University, Greenville, North Carolina, USA
| | | | - David A Tulis
- Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, North Carolina, USA
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Unruh D, Horbinski C. Beyond thrombosis: the impact of tissue factor signaling in cancer. J Hematol Oncol 2020; 13:93. [PMID: 32665005 PMCID: PMC7362520 DOI: 10.1186/s13045-020-00932-z] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 07/02/2020] [Indexed: 12/15/2022] Open
Abstract
Tissue factor (TF) is the primary initiator of the coagulation cascade, though its effects extend well beyond hemostasis. When TF binds to Factor VII, the resulting TF:FVIIa complex can proteolytically cleave transmembrane G protein-coupled protease-activated receptors (PARs). In addition to activating PARs, TF:FVIIa complex can also activate receptor tyrosine kinases (RTKs) and integrins. These signaling pathways are utilized by tumors to increase cell proliferation, angiogenesis, metastasis, and cancer stem-like cell maintenance. Herein, we review in detail the regulation of TF expression, mechanisms of TF signaling, their pathological consequences, and how it is being targeted in experimental cancer therapeutics.
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Affiliation(s)
- Dusten Unruh
- Department of Neurological Surgery, Northwestern University, 303 East Superior St, Chicago, IL, 60611, USA.
| | - Craig Horbinski
- Department of Neurological Surgery, Northwestern University, 303 East Superior St, Chicago, IL, 60611, USA.,Department of Pathology, Northwestern University, Chicago, IL, 60611, USA
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Madkhali Y, Featherby S, Collier ME, Maraveyas A, Greenman J, Ettelaie C. The Ratio of Factor VIIa:Tissue Factor Content within Microvesicles Determines the Differential Influence on Endothelial Cells. TH OPEN 2019; 3:e132-e145. [PMID: 31259295 PMCID: PMC6598090 DOI: 10.1055/s-0039-1688934] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Accepted: 04/10/2019] [Indexed: 02/07/2023] Open
Abstract
Tissue factor (TF)-positive microvesicles from various sources can promote cellular proliferation or alternatively induce apoptosis, but the determining factors are unknown. In this study the hypothesis that the ratio of fVIIa:TF within microvesicles determines this outcome was examined. Microvesicles were isolated from HepG2, BxPC-3, 786-O, MDA-MB-231, and MCF-7 cell lines and microvesicle-associated fVIIa and TF antigen and activity levels were measured. Human coronary artery endothelial cells (HCAECs) were incubated with these purified microvesicles, or with combinations of fVIIa-recombinant TF, and cell proliferation/apoptosis was measured. Additionally, by expressing mCherry-PAR2 on HCAEC surface, PAR2 activation was quantified. Finally, the activation of PAR2 on HCAEC or the activities of TF and fVIIa in microvesicles were blocked prior to addition of microvesicles to cells. The purified microvesicles exhibited a range of fVIIa:TF ratios with HepG2 and 786-O cells having the highest (54:1) and lowest (10:1) ratios, respectively. The reversal from proapoptotic to proliferative was estimated to occur at a fVIIa:TF molar ratio of 15:1, but HCAEC could not be rescued at higher TF concentrations. The purified microvesicles induced HCAEC proliferation or apoptosis according to this ruling. Blocking PAR2 activation on HCAEC, or inhibiting fVIIa or TF-procoagulant function on microvesicles prevented the influence on HCAEC. Finally, incubation of HCAEC with recombinant TF resulted in increased surface exposure of fVII. The induction of cell proliferation or apoptosis by TF-positive microvesicles is dependent on the ratio of fVIIa:TF and involves the activation of PAR2. At lower TF concentrations, fVIIa can counteract the proapoptotic stimulus and induce proliferation.
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Affiliation(s)
- Yahya Madkhali
- Department of Biomedical Sciences, University of Hull, Hull, United Kingdom.,Department of Medical Laboratories, College of Applied Medical Sciences, Majmaah University, KSA, Al Majmaah, Saudi Arabia
| | - Sophie Featherby
- Department of Biomedical Sciences, University of Hull, Hull, United Kingdom
| | - Mary E Collier
- Department of Cardiovascular Sciences, University of Leicester, Glenfield General Hospital, Leicester, United Kingdom
| | - Anthony Maraveyas
- Division of Cancer-Hull York Medical School, University of Hull, Hull, United Kingdom
| | - John Greenman
- Department of Biomedical Sciences, University of Hull, Hull, United Kingdom
| | - Camille Ettelaie
- Department of Biomedical Sciences, University of Hull, Hull, United Kingdom
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Bell AD, Hurtig MB, Quenneville E, Rivard GÉ, Hoemann CD. Effect of a Rapidly Degrading Presolidified 10 kDa Chitosan/Blood Implant and Subchondral Marrow Stimulation Surgical Approach on Cartilage Resurfacing in a Sheep Model. Cartilage 2017; 8:417-431. [PMID: 28934884 PMCID: PMC5613897 DOI: 10.1177/1947603516676872] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Objective This study tested the hypothesis that presolidified chitosan-blood implants are retained in subchondral bone channels perforated in critical-size sheep cartilage defects, and promote bone repair and hyaline-like cartilage resurfacing versus blood implant. Design Cartilage defects (10 × 10 mm) with 3 bone channels (1 drill, 2 Jamshidi biopsy, 2 mm diameter), and 6 small microfracture holes were created bilaterally in n = 11 sheep knee medial condyles. In one knee, 10 kDa chitosan-NaCl/blood implant (presolidified using recombinant factor VIIa or tissue factor), was inserted into each drill and Jamshidi hole. Contralateral knee defects received presolidified whole blood clot. Repair tissues were assessed histologically, biochemically, biomechanically, and by micro-computed tomography after 1 day ( n = 1) and 6 months ( n = 10). Results Day 1 defects showed a 60% loss of subchondral bone plate volume fraction along with extensive subchondral hematoma. Chitosan implant was resident at day 1, but had no effect on any subsequent repair parameter compared with blood implant controls. At 6 months, bone defects exhibited remodeling and hypomineralized bone repair and were partly resurfaced with tissues containing collagen type II and scant collagen type I, 2-fold lower glycosaminoglycan and fibril modulus, and 4.5-fold higher permeability compared with intact cartilage. Microdrill holes elicited higher histological ICRS-II overall assessment scores than Jamshidi holes (50% vs. 30%, P = 0.041). Jamshidi biopsy holes provoked sporadic osteonecrosis in n = 3 debrided condyles. Conclusions Ten kilodalton chitosan was insufficient to improve repair. Microdrilling is a feasible subchondral marrow stimulation surgical approach with the potential to elicit poroelastic tissues with at least half the compressive modulus as intact articular cartilage.
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Affiliation(s)
- Angela D. Bell
- Department of Clinical Studies, University of Guelph, Guelph, Ontario, Canada
| | - Mark B. Hurtig
- Department of Clinical Studies, University of Guelph, Guelph, Ontario, Canada
| | | | | | - Caroline D. Hoemann
- Department of Chemical Engineering, Institute of Biomedical Engineering, Ecole Polytechnique, Montreal, Quebec, Canada,Caroline D. Hoemann, Department of Chemical Engineering, Institute of Biomedical Engineering, École Polytechnique, Montreal, Quebec, H3C 3A7, Canada.
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Abstract
Although many studies have demonstrated that components of the hemostatic system may be involved in signaling leading to cancer progression, the potential mechanisms by which they contribute to cancer dissemination are not yet precisely understood. Among known coagulant factors, tissue factor (TF) and thrombin play a pivotal role in cancer invasion. They may be generated in the tumor microenvironment independently of blood coagulation and can induce cell signaling through activation of protease-activated receptors (PARs). PARs are transmembrane G-protein-coupled receptors (GPCRs) that are activated by a unique proteolytic mechanism. They play important roles in vascular physiology, neural tube closure, hemostasis, and inflammation. All of these agents (TF, thrombin, PARs—mainly PAR-1 and PAR-2) are thought to promote cancer invasion and metastasis at least in part by facilitating tumor cell migration, angiogenesis, and interactions with host vascular cells, including platelets, fibroblasts, and endothelial cells lining blood vessels. Here, we discuss the role of PARs and their activators in cancer progression, focusing on TF- and thrombin-mediated actions. Therapeutic options tailored specifically to inhibit PAR-induced signaling in cancer patients are presented as well.
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7
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Coagulation factor VII is regulated by androgen receptor in breast cancer. Exp Cell Res 2014; 331:239-250. [PMID: 25447311 DOI: 10.1016/j.yexcr.2014.10.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2014] [Revised: 09/29/2014] [Accepted: 10/01/2014] [Indexed: 11/22/2022]
Abstract
Androgen receptor (AR) is widely expressed in breast cancer; however, there is limited information on the key molecular functions and gene targets of AR in this disease. In this study, gene expression data from a cohort of 52 breast cancer cell lines was analyzed to identify a network of AR co-expressed genes. A total of 300 genes, which were significantly enriched for cell cycle and metabolic functions, showed absolute correlation coefficients (|CC|) of more than 0.5 with AR expression across the dataset. In this network, a subset of 35 "AR-signature" genes were highly co-expressed with AR (|CC|>0.6) that included transcriptional regulators PATZ1, NFATC4, and SPDEF. Furthermore, gene encoding coagulation factor VII (F7) demonstrated the closest expression pattern with AR (CC=0.716) in the dataset and factor VII protein expression was significantly associated to that of AR in a cohort of 209 breast tumors. Moreover, functional studies demonstrated that AR activation results in the induction of factor VII expression at both transcript and protein levels and AR directly binds to a proximal region of F7 promoter in breast cancer cells. Importantly, AR activation in breast cancer cells induced endogenous factor VII activity to convert factor X to Xa in conjunction with tissue factor. In summary, F7 is a novel AR target gene and AR activation regulates the ectopic expression and activity of factor VII in breast cancer cells. These findings have functional implications in the pathobiology of thromboembolic events and regulation of factor VII/tissue factor signaling in breast cancer.
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8
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Nieuwenhuizen L, Falkenburg WJJ, Schutgens REG, Roosendaal G, van Veghel K, Biesma DH, Lafeber FPJG. Stimulation of naïve monocytes and PBMCs with coagulation proteases results in thrombin-mediated and PAR-1-dependent cytokine release and cell proliferation in PBMCs only. Scand J Immunol 2013; 77:339-49. [PMID: 23421536 DOI: 10.1111/sji.12033] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2012] [Accepted: 01/29/2013] [Indexed: 11/26/2022]
Abstract
Protease-activated receptors (PARs) are stimulated by proteolytic cleavage of their extracellular domain. Coagulation proteases, such as FVIIa, the binary TF-FVIIa complex, free FXa, the ternary TF-FVIIa-FXa complex and thrombin, are able to stimulate PARs. Whereas the role of PARs on platelets is well known, their function in naïve monocytes and peripheral blood mononuclear cells (PBMCs) is largely unknown. This is of interest because PAR-mediated interactions of coagulation proteases with monocytes and PBMCs in diseases with an increased activation of coagulation may promote inflammation. To evaluate PAR-mediated inflammatory reactions in naïve monocytes and PBMCs stimulated with coagulation proteases. For this, PAR expression at protein and RNA level on naïve monocytes and PBMCs was evaluated with flow cytometry and RT-PCR. In addition, cytokine release (IL-1β, IL-6, IL-8, IL-10, TNF-α) in stimulated naïve and PBMC cell cultures was determined. In this study, it is demonstrated that naïve monocytes express all four PARs at the mRNA level, and PAR-1, -3 and -4 at the protein level. Stimulation of naïve monocytes with coagulation proteases did not result in alterations in PAR expression or in the induction of inflammation involved cytokines like interleukin-1β (IL-1β), interleukin-6 (IL-6), interleukin-8, interleukin-10 or tumour necrosis factor-α. In contrast, stimulation of PBMCs with coagulation proteases resulted in thrombin-mediated induction of IL-1β and IL-6 cytokine production and PBMC cell proliferation in a PAR-1-dependent manner. These data demonstrate that naïve monocytes are not triggered by coagulation proteases, whereas thrombin is able to elicit pro-inflammatory events in a PAR-1-dependent manner in PBMCs.
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Affiliation(s)
- L Nieuwenhuizen
- Rheumatology & Clinical Immunology, University Medical Center, Utrecht, The Netherlands.
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Mathieu C, Chevrier A, Lascau-Coman V, Rivard GE, Hoemann CD. Stereological analysis of subchondral angiogenesis induced by chitosan and coagulation factors in microdrilled articular cartilage defects. Osteoarthritis Cartilage 2013; 21:849-59. [PMID: 23523901 DOI: 10.1016/j.joca.2013.03.012] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2012] [Revised: 03/09/2013] [Accepted: 03/13/2013] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Cartilage repair elicited by bone marrow stimulation can be enhanced by a chitosan-glycerol phosphate (GP)/blood implant, through mechanisms involving therapeutic inflammatory angiogenesis. The implant is formed by in situ coagulation, which can be accelerated by adding coagulation factors. We hypothesized that coagulation factors enhance acute subchondral angiogenesis in repairing drilled defects. DESIGN Full-thickness cartilage defects were created bilaterally in 12 skeletally mature rabbit knee trochlea, microdrilled, then allowed to bleed as a control (N = 6) or treated with chitosan-GP/blood implant (N = 6), or implant solidified with thrombin (IIa), tissue factor (TF) with recombinant human factor VIIa (rhFVIIa), or rhFVIIa alone (N = 4 each condition). At 3 weeks post-operative, quantitative stereology was used to obtain blood vessel length (L(V)), surface (S(V)), and volume (V(V)) density at systematic depths in two microdrill holes per defect. Collagen type I, type II and glycosaminoglycan (GAG) percent stain in non-mineralized repair tissue were analysed by histomorphometry. RESULTS All drill holes were healing, and showed a depth-dependent increase in granulation tissue blood vessel density (Lv, Sv, and Vv, P < 0.005). Residual chitosan implant locally suppressed blood vessel ingrowth into the granulation tissue, whereas holes completely cleared of chitosan amplified angiogenesis vs microdrill-only (P = 0.049), an effect enhanced by IIa. Chitosan implant suppressed strong Col-I, Col-II, and GAG accumulation that occurred spontaneously in drill-only bone defects (P < 0.005) and coagulation factors did not alter this effect. CONCLUSIONS Subchondral angiogenesis is promoted by chitosan implant clearance. Chitosan implant treatment suppresses fibrocartilage scar tissue formation, and promotes bone remodeling, which allows more blood vessel migration and woven bone repair towards the cartilage lesion area.
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Affiliation(s)
- C Mathieu
- Department of Chemical Engineering, École Polytechnique, Montréal, QC, Canada
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Vasakova M, Sterclova M, Stranska E, Mandakova P, Skibova J, Matej R. Biomarkers of fibroproliferative healing in fibrosing idiopathic interstitial pneumonias. Open Respir Med J 2012; 6:160-4. [PMID: 23346263 PMCID: PMC3551240 DOI: 10.2174/1874306401206010160] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2012] [Revised: 11/11/2012] [Accepted: 11/21/2012] [Indexed: 11/22/2022] Open
Abstract
Aims: The main feature of fibrosing idiopathic interstitial pneumonias (fIIPs) is the fibroproliferative potential of underlying pathogenetic process. We hypothesize that the concentration of potential markers of fibroproliferative healing, PAR-2, TGF-β1, TNF-α and IL-4Rα in bronchoalveolar lavage fluid (BALF) differ in patients with fIIPs compared to controls (C). Patients and Methods: 10 patients with fIIPs and 9 controls (C) were included to the study. Concentrations of CD124 (IL4Rα), PAR-2, TGF-β1 and TNF-α in BALF were determined using the ELISA method. Results: We observed higher concentrations of IL4Rα (fIIPS 1499.4 pg/ml vs C 255.5 pg/ml; p < 0.05), PAR-2 (fIIPS 1807.9 pg/ml vs C 421.0 pg/ml; p < 0.05) and TGF-β1(fIIPS 283.0 pg/ml vs C 197.1 pg/ml; p < 0.01) in BALF in fIIPs versus C. The values of TNF-a in BALF did not differ significantly in fIIPs compared to controls. The ratios also showed differences in fIIPS and C: IL4Rα/TGF-β1 (fIIPS 6.19 vs C 0.68; p = 0.0143); TNF-α/IL4Rα (fIIPS 0.84 vs C 7.93; p = 0.043); TGF-β1/TNF-α (fIIPS 0.21 vs C 0.16; p = 0.0179) and protein/PAR-2 (fIIPS 0.06 vs C 0.28; p = 0.0033). Conclusions: We found that PAR-2, TGF-β1 and IL-4Rα are significantly up-regulated in the BALF of fIIPs compared to controls, therefore we suppose they could become biomarkers of fibroproliferative healing.
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Affiliation(s)
- Martina Vasakova
- Department of Respiratory Medicine, Thomayer Hospital, Videnska 800, 14059 Prague 4, Czech Republic
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Ahmad S, Ahmad A, Rancourt RC, Neeves KB, Loader JE, Hendry-Hofer T, Di Paola J, Reynolds SD, White CW. Tissue factor signals airway epithelial basal cell survival via coagulation and protease-activated receptor isoforms 1 and 2. Am J Respir Cell Mol Biol 2012; 48:94-104. [PMID: 23065128 DOI: 10.1165/rcmb.2012-0189oc] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Tissue factor (TF) initiates the extrinsic coagulation cascade and is a high-affinity receptor for coagulation factor VII. TF also participates in protease-activated receptor (PAR)1 and PAR2 activation. Human epithelial basal cells were previously purified on the basis of TF expression. The purpose of this study was to determine if tracheobronchial epithelial basal cell-associated TF drives coagulation and/or activates PARs to promote basal cell functions. We used human tracheobronchial tissues to isolate human airway epithelial cells using specific cell surface markers by flow cytometry and studied TF expression by immunostaining. TF-dependent fibrin network formation was observed by confocal and scanning electron microscopy. TF knockdown was done using short hairpin RNA, and TF mRNA was measured using quantitative RT-PCR. We found that 97 ± 5% of first-passage human tracheobronchial epithelial cells were basal cells, and 100% of these basal cells expressed TF. Basal cell-associated TF was active, but TF activity was dependent on added extrinsic coagulation cascade factors. TF inhibition caused basal cell apoptosis and necrosis. This was due to two parallel but interdependent TF-regulated processes: failure to generate a basal cell-associated fibrin network and suboptimal PAR1 and PAR2 activity. The data indicate that membrane surface TF mediates airway epithelial basal cell attachment, which maintains cell survival and mitotic potential. The implications of these findings are discussed in the context of basal cell-associated TF activity in normal and injured tissues and of the potential for repair of airway epithelium in lung disease.
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Affiliation(s)
- Shama Ahmad
- Department of Pediatrics, National Jewish Health, Denver, CO, USA.
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12
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Lin M, Weng H, Wang X, Zhou B, Yu P, Wang Y. The role of tissue factor and protease-activated receptor 2 in endometriosis. Am J Reprod Immunol 2012; 68:251-7. [PMID: 22672593 DOI: 10.1111/j.1600-0897.2012.01152.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2012] [Accepted: 04/11/2012] [Indexed: 11/28/2022] Open
Affiliation(s)
- Min Lin
- Department of Obstetrics and Gynaecology; Third Affiliated Hospital of Guangzhou Medical College; Guangzhou; China
| | - Huinan Weng
- Department of Obstetrics and Gynaecology; Third Affiliated Hospital of Guangzhou Medical College; Guangzhou; China
| | - Xuefeng Wang
- Department of Obstetrics and Gynecology; Zhujiang Hospital, Southern Medical University; Guangzhou; China
| | - Bing Zhou
- Department of Obstetrics and Gynaecology; Third Affiliated Hospital of Guangzhou Medical College; Guangzhou; China
| | - Ping Yu
- Department of Obstetrics and Gynaecology; Third Affiliated Hospital of Guangzhou Medical College; Guangzhou; China
| | - Yifeng Wang
- Department of Obstetrics and Gynecology; Zhujiang Hospital, Southern Medical University; Guangzhou; China
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Wygrecka M, Kwapiszewska G, Jablonska E, Gerlach SV, Henneke I, Zakrzewicz D, Guenther A, Preissner KT, Markart P. Role of Protease-activated Receptor-2 in Idiopathic Pulmonary Fibrosis. Am J Respir Crit Care Med 2011; 183:1703-14. [DOI: 10.1164/rccm.201009-1479oc] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
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14
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Zhu T, Mancini JA, Sapieha P, Yang C, Joyal JS, Honoré JC, Leduc M, Zaniolo K, Hardy P, Shao Z, Fan L, Hou X, Rivard GE, Chemtob S. Cortactin activation by FVIIa/tissue factor and PAR2 promotes endothelial cell migration. Am J Physiol Regul Integr Comp Physiol 2010; 300:R577-85. [PMID: 21160057 DOI: 10.1152/ajpregu.00137.2010] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Cellular migration is a complex process that requires the polymerization of actin filaments to drive cellular extension. Smooth muscle and cancer cell migration has been shown to be affected by coagulation factors, notably the factor VII (FVIIa) and tissue factor (TF) complex. The present studies delineated mediators involved with the process of FVIIa/TF-induced cell migration and utilized a simple, precise, and reproducible, migration assay. Both FVIIa and protease-activated receptor-2 (PAR2)-activating peptide, SLIGRL, increased the migration rate of porcine cerebral microvascular endothelial cells (pCMVECs) overexpressing human TF. Ras homolog gene family member A (RhoA) and cortactin were upregulated during the process; expression of HIF, actin polymerization nuclear diaphanous-related formin-1 and -2 (Dia1, and Dia2) were unaffected. Gene silencing by shRNA to PAR2, RhoA, and cortactin attenuated this gene upregulation and migration induced by FVIIa/TF. Utilizing immunocellular localization, we demonstrate that during FVIIa/TF and PAR2 activation, cortactin molecules translocate from the cytoplasm to the cell periphery and assist in lamellipodia formation of pCMVECs. Overall, we demonstrate a novel regulation and role for cortactin in FVIIa/TF-mediated endothelial cell migration that occurs through a PAR2 and RhoA dependent mechanism.
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Affiliation(s)
- Tang Zhu
- Department of Pediatrics, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Quebec, Canada
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15
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Intraarticular factor IX protein or gene replacement protects against development of hemophilic synovitis in the absence of circulating factor IX. Blood 2008; 112:4532-41. [PMID: 18716130 DOI: 10.1182/blood-2008-01-131417] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Hemophilic bleeding into joints causes synovial and microvascular proliferation and inflammation (hemophilic synovitis) that contribute to end-stage joint degeneration (hemophilic arthropathy), the major morbidity of hemophilia. New therapies are needed for joint deterioration that progresses despite standard intravenous (IV) clotting factor replacement. To test whether factor IX within the joint space can protect joints from hemophilic synovitis, we established a hemophilia B mouse model of synovitis. Factor IX knockout (FIX(-/-)) mice received a puncture of the knee joint capsule with a needle to induce hemarthrosis; human factor IX (hFIX) was either injected through the needle into the joint space (intraarticularly) or immediately delivered IV. FIX(-/-) mice receiving intraarticular FIX protein were protected from synovitis compared with mice receiving same or greater doses of hFIX IV. Next, adeno-associated virus (AAV) gene transfer vectors expressing hFIX were injected into knee joints of FIX(-/-) mice. Joints treated with 10(10) vector genomes (vg)/joint AAV2-, AAV5-, or AAV8-hFIX or 2.5 x 10(9) vg/joint AAV5-hFIX developed significantly fewer pathologic changes 2 weeks after injury compared with the pathology of control injured contralateral hind limbs. Extravascular factor activity and joint-directed gene transfer may ameliorate hemophilic joint destruction, even in the absence of circulating FIX.
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16
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Abstract
Tissue factor (TF), is a cellular receptor that binds the ligand factor VII/VIIa to initiate the blood coagulation cascade. In addition to its role as the initiator of the hemostatic cascade, TF is known to be involved in angiogenesis via an interaction with factor VIIa and protease-activated receptor-2 (PAR-2). In this article we review previous studies from our laboratory demonstrating that the pattern and level of TF expression is altered in multiple cell types derived from eutopic and ectopic endometrium from women with endometriosis compared with normal endometrium. We posit that the inflammatory environment that occurs in ectopic and eutopic endometrium from patients with disease results in high TF expression that in turn, signals via PAR-2 to further produce inflammatory cytokine or chemokine production and macrophage recruitment. Thus, our studies suggest that TF might be an ideal target for therapeutic intervention in endometriosis.
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Affiliation(s)
- Graciela Krikun
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale University, School of Medicine. 333 Cedar St., P.O. Box 208063, New Haven, CT, 06520-8063, USA.
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17
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Quiniou C, Sapieha P, Lahaie I, Hou X, Brault S, Beauchamp M, Leduc M, Rihakova L, Joyal JS, Nadeau S, Heveker N, Lubell W, Sennlaub F, Gobeil F, Miller G, Pshezhetsky AV, Chemtob S. Development of a novel noncompetitive antagonist of IL-1 receptor. THE JOURNAL OF IMMUNOLOGY 2008; 180:6977-87. [PMID: 18453620 DOI: 10.4049/jimmunol.180.10.6977] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
IL-1 is a major proinflammatory cytokine which interacts with the IL-1 receptor I (IL-1RI) complex, composed of IL-1RI and IL-1R accessory protein subunits. Currently available strategies to counter pathological IL-1 signaling rely on a recombinant IL-1 receptor antagonist, which directly competes with IL-1 for its binding site. Presently, there are no small antagonists of the IL-1RI complex. Given this void, we derived 15 peptides from loops of IL-1R accessory protein, which are putative interactive sites with the IL-1RI subunit. In this study, we substantiate the merits of one of these peptides, rytvela (we termed "101.10"), as an inhibitor of IL-1R and describe its properties consistent with those of an allosteric negative modulator. 101.10 (IC(50) approximately 1 nM) blocked human thymocyte proliferation in vitro, and demonstrated robust in vivo effects in models of hyperthermia and inflammatory bowel disease as well as topically in contact dermatitis, superior to corticosteroids and IL-1ra; 101.10 did not bind to IL-1RI deficient cells and was ineffective in vivo in IL-1RI knockout mice. Importantly, characterization of 101.10, revealed noncompetitive antagonist actions and functional selectivity by blocking certain IL-1R pathways while not affecting others. Findings describe the discovery of a potent and specific small (peptide) antagonist of IL-1RI, with properties in line with an allosteric negative modulator.
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18
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Bhattacharjee G, Ahamed J, Pawlinski R, Liu C, Mackman N, Ruf W, Edgington TS. Factor Xa binding to annexin 2 mediates signal transduction via protease-activated receptor 1. Circ Res 2008; 102:457-64. [PMID: 18174463 DOI: 10.1161/circresaha.107.167759] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The serine protease zymogen factor X is converted to its catalytically active form factor Xa by the binary complex of factor VIIa bound to its cell surface receptor tissue factor (TF) or by the intrinsic Xase complex, which consists of active factors VIII (VIIIa), IX (IXa), factor X, and Ca2+. Factor Xa has procoagulant activity by conversion of prothrombin to thrombin and also induces signal transduction, either alone or in the ternary TF:VIIa:factor Xa coagulation initiation complex. Factor Xa cleaves and activates protease activated receptor (PAR)1 or -2, but factor Xa signaling efficiency varies among cell types. We show here that annexin 2 acts as a receptor for factor Xa on the surface of human umbilical vein endothelial cells and that annexin 2 facilitates factor Xa activation of PAR-1 but does not enhance coagulant function of factor Xa. Overexpression of TF abolishes annexin 2 dependence on factor Xa signaling and diminishes binding to cell surface annexin 2, whereas selectively abolishing TF promotes the annexin 2/factor Xa interaction. We propose that annexin 2 serves to regulate factor Xa signaling specifically in the absence of cell surface TF and may thus play physiological or pathological roles when factor Xa is generated in a TF-depleted environment.
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Affiliation(s)
- Gourab Bhattacharjee
- Scripps Research Institute, SP-258, 10550 N Torrey Pines Rd, La Jolla, CA 92037, USA.
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19
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Affiliation(s)
- K Hoots
- M. D. Anderson Cancer Center and University of Texas Health Science Center, Gulf States Hemophilia and Thrombophilia Center, Houston, TX 77030, USA.
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20
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Ngo CV, Picha K, McCabe F, Millar H, Tawadros R, Tam SH, Nakada MT, Anderson GM. CNTO 859, a humanized anti-tissue factor monoclonal antibody, is a potent inhibitor of breast cancer metastasis and tumor growth in xenograft models. Int J Cancer 2007; 120:1261-7. [PMID: 17192924 DOI: 10.1002/ijc.22426] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Thromboembolic complications are frequently associated with advanced cancer. Interestingly, one of the major initiators of blood coagulation, tissue factor (TF), is reported to be overexpressed in several tumor types and can be found on both tumor cells and tumor vasculature. Although the exact mechanisms have yet to be elucidated, TF expressed on tumor cells can trigger intracellular signaling events through various pathways that can lead to tumor angiogenesis, proliferation, and metastasis. There exists preclinical evidence that disruption of TF dependent signaling can effectively inhibit tumor cell migration, metastasis, and angiogenesis. Here, we report for the first time that an antibody to tissue factor can also prevent tumor growth in vivo. Prophylactic administration of CNTO 859, a humanized anti-human TF antibody, was shown to inhibit experimental lung metastasis of MDA-MB-231 human breast carcinoma cells by over 99% compared to a control antibody. Furthermore, therapeutic doses of CNTO 859 were shown to reduce tumor incidence and growth of orthotopically implanted MDA-MB-231 cells.
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Affiliation(s)
- Cam V Ngo
- Discovery Research, Centocor Inc., 145 King of Prussia Road, Radnor, PA 19087, USA
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21
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Liu Y, Mueller BM. Protease-activated receptor-2 regulates vascular endothelial growth factor expression in MDA-MB-231 cells via MAPK pathways. Biochem Biophys Res Commun 2006; 344:1263-70. [PMID: 16650817 DOI: 10.1016/j.bbrc.2006.04.005] [Citation(s) in RCA: 86] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2006] [Accepted: 04/01/2006] [Indexed: 12/14/2022]
Abstract
Protease-activated receptor 2 (PAR2) is a G-protein coupled receptor that is cleaved and activated by serine proteases including the coagulation protease factor VIIa (FVIIa). There is evidence that PAR2 function contributes to angiogenesis, but the mechanisms involved are poorly defined. Here we show that PAR2 activation in human breast cancer cells leads to the upregulation of vascular endothelial growth factor (VEGF). Activation of PAR2 with agonist peptide (AP), trypsin or FVIIa results in a robust increase of VEGF message and protein. Incubation of cells with PAR1-AP, PAR3-AP, PAR4-AP, or thrombin has only a modest effect on VEGF production. Cleavage blocking antibodies show that FVIIa-mediated VEGF production is PAR2 mediated. Mitogen-activated protein kinase (MAPK) pathway inhibitors U0126 and SB203580 inhibit PAR2-mediated VEGF production. Incubation of cells with PAR2-AP leads to significant extracellular regulated kinase1/2 (ERK1/2) and p38 MAPK phosphorylation and activation. Collectively, these data suggest that PAR2 signaling through MAPK pathways leads to the production of proangiogenic VEGF in breast cancer cells.
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Affiliation(s)
- Yingmei Liu
- Cancer Biology Division, La Jolla Institute for Molecular Medicine, San Diego, CA, USA
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22
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Zhu T, Sennlaub F, Beauchamp MH, Fan L, Joyal JS, Checchin D, Nim S, Lachapelle P, Sirinyan M, Hou X, Bossolasco M, Rivard GE, Heveker N, Chemtob S. Proangiogenic Effects of Protease-Activated Receptor 2 Are Tumor Necrosis Factor-α and Consecutively Tie2 Dependent. Arterioscler Thromb Vasc Biol 2006; 26:744-50. [PMID: 16439712 DOI: 10.1161/01.atv.0000205591.88522.d4] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Objective—
Angiogenesis is essential physiologically in growth and pathologically in tumor development, chronic inflammatory disorders, and proliferative retinopathies. Activation of protease-activated receptor 2 (PAR2) leads to a proangiogenic response, but its mechanisms have yet to be specifically described. Here, we investigated the mode of action of PAR2 in retinal angiogenesis.
Methods and Results—
PAR2-activating peptide, SLIGRL, increased retinal angiogenesis associated with an induction of vascular endothelial growth factor and angiopoetin-2 and most notably tie2 in the retina in vivo as well as in cultured neuroretinal endothelial cells. SLIGRL also induced release of the proinflammatory and angiogenic mediator tumor necrosis factor-α (TNF-α) via the MEK/extracellular signal-regulated kinase (ERK) (MEK/ERK) pathway in these endothelial cells. TNF-α, in turn, elicited tie2 expression by activating the MEK/ERK pathway. PAR2-evoked tie2 expression, endothelium proliferation (in vitro), and retinal neovascularization (in vivo) were abrogated by selective TNF-α blockers (neutralizing antibody infliximab and soluble TNF-α receptor-Fc fusion protein etanercept) as well as the MEK inhibitor PD98059.
Conclusion—
The proangiogenic properties of PAR2 are intertwined with its proinflammatory effects, such that in retinal vasculature, they depend on TNF-α and subsequent induction of tie2 via the MEK/ERK pathway.
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Affiliation(s)
- Tang Zhu
- Department of Pediatrics, Research Center of Hôpital Ste-Justine, Montréal, Quebec, Canada
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