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Shi T, Fan QY, Liu SB, Zhang SY. Pregnane X receptor (PXR) deficiency promotes hepatocarcinogenesis via induction of Akr1c18 expression and prostaglandin F 2α (PGF 2α) levels. Biochem Pharmacol 2024; 225:116309. [PMID: 38788959 DOI: 10.1016/j.bcp.2024.116309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 05/03/2024] [Accepted: 05/21/2024] [Indexed: 05/26/2024]
Abstract
Hepatocellular carcinoma (HCC) is one of the most common cancers worldwide. Pregnane X receptor (PXR), a xenobiotic-sensing nuclear receptor, plays a critical role in the metabolism of endogenous and exogenous substances in the liver. Here, we investigate whether PXR plays a role in pathogenesis of HCC. We show that liver tumors were developed in diethylnitrosamine (DEN)-treated in PXR knockout (KO) mice. Hepatic levels of prostaglandin F2α (PGF2α) and aldo-keto reductase family 1 member C18 (Akr1c18), a prostaglandin synthase of catalyzing reduction of PGH2 to PGF2α, were significantly elevated in DEN-treated PXR KO mice. Hepatic mRNA levels of alpha fetoprotein (AFP), cyclin D1 (Ccnd1), fibroblast growth factor 21 (FGF21), and inflammatory cytokine interleukin 6 (IL-6) were significantly increased in DEN-treated PXR KO mice. Other members of Akr1c family, liver metabolizing enzymes including Cyp1a2, Cyp2b10 and Cyp3a11, and bile acid synthesis enzyme Cyp7a1 mRNA levels were significantly decreased in DEN-treated PXR KO mice. Our findings revealed that PXR deficiency promoted DEN-induced HCC in mice via induction of Akr1c18 expression and PGF2α levels and the increased PGF2α levels synthetized by Akr1c18 enhanced hepatocytes proliferation and induced inflammatory cytokine production, which accelerated liver tumor development after DEN treatment, suggesting that PXR deficiency may create a microenvironment that is more prone to DEN-induced liver tumors and targeting PXR and Akr1c18 to reduce PGF2α biosynthesis may be a potential and novel therapeutic strategy for HCC.
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MESH Headings
- Animals
- Humans
- Male
- Mice
- Carcinogenesis/metabolism
- Carcinogenesis/genetics
- Carcinoma, Hepatocellular/metabolism
- Carcinoma, Hepatocellular/chemically induced
- Carcinoma, Hepatocellular/genetics
- Carcinoma, Hepatocellular/pathology
- Diethylnitrosamine/toxicity
- Dinoprost/metabolism
- Dinoprost/biosynthesis
- Gene Expression Regulation, Neoplastic
- Liver Neoplasms/metabolism
- Liver Neoplasms/chemically induced
- Liver Neoplasms/genetics
- Liver Neoplasms/pathology
- Liver Neoplasms, Experimental/metabolism
- Liver Neoplasms, Experimental/chemically induced
- Liver Neoplasms, Experimental/genetics
- Liver Neoplasms, Experimental/pathology
- Mice, Inbred C57BL
- Mice, Knockout
- Pregnane X Receptor/metabolism
- Pregnane X Receptor/genetics
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Affiliation(s)
- Tong Shi
- School of Medicine, Taizhou University, Taizhou, Zhejiang 318000, China; School of Medicine, Tongji University, Shanghai 200092, China
| | - Qiao-Ying Fan
- School of Medicine, Taizhou University, Taizhou, Zhejiang 318000, China; School of Public Health, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Shi-Biao Liu
- School of Medicine, Taizhou University, Taizhou, Zhejiang 318000, China; School of Public Health, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Shu-Yun Zhang
- School of Medicine, Taizhou University, Taizhou, Zhejiang 318000, China; School of Public Health, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China.
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Kanno Y, Toyama K, Shibata H, Matsuo O, Ozaki KI. α2-Antiplasmin is associated with macrophage activation and fibrin deposition in a macrophage activation syndrome mouse model. Clin Exp Immunol 2024; 216:272-279. [PMID: 38457368 PMCID: PMC11097911 DOI: 10.1093/cei/uxae021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 01/04/2024] [Accepted: 03/07/2024] [Indexed: 03/10/2024] Open
Abstract
Macrophage activation syndrome (MAS) is a life-threatening condition, characterized by cytopenia, multi-organ dysfunction, and coagulopathy associated with excessive activation of macrophages. In this study, we investigated the roles of alpha2-antiplasmin (α2AP) in the progression of MAS using fulminant MAS mouse model induced by toll-like receptor-9 agonist (CpG) and D-(+)-galactosamine hydrochloride (DG). α2AP deficiency attenuated macrophage accumulation, liver injury, and fibrin deposition in the MAS model mice. Interferon-γ (IFN-γ) is associated with macrophage activation, including migration, and plays a pivotal role in MAS progression. α2AP enhanced the IFN-γ-induced migration, and tissue factor production. Additionally, we showed that fibrin-induced macrophage activation and tumor necrosis factor-α production. Moreover, the blockade of α2AP by neutralizing antibodies attenuated macrophage accumulation, liver injury, and fibrin deposition in the MAS model mice. These data suggest that α2AP may regulate IFN-γ-induced responses and be associated with macrophage activation and fibrin deposition in the MAS progression.
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Affiliation(s)
- Yosuke Kanno
- Department of Molecular Pathology, Faculty of Pharmaceutical Science, Doshisha Women’s College of Liberal Arts, Kodo Kyo-tanabe, Kyoto, Japan
| | - Kinomi Toyama
- Department of Molecular Pathology, Faculty of Pharmaceutical Science, Doshisha Women’s College of Liberal Arts, Kodo Kyo-tanabe, Kyoto, Japan
| | - Haruna Shibata
- Department of Molecular Pathology, Faculty of Pharmaceutical Science, Doshisha Women’s College of Liberal Arts, Kodo Kyo-tanabe, Kyoto, Japan
| | - Osamu Matsuo
- Faculty of Medicine, Kindai University, Osaka-sayama, Japan
| | - Kei-ichi Ozaki
- Department of Molecular Pathology, Faculty of Pharmaceutical Science, Doshisha Women’s College of Liberal Arts, Kodo Kyo-tanabe, Kyoto, Japan
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3
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Kanno Y. The Roles of Fibrinolytic Factors in Bone Destruction Caused by Inflammation. Cells 2024; 13:516. [PMID: 38534360 DOI: 10.3390/cells13060516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 03/14/2024] [Accepted: 03/15/2024] [Indexed: 03/28/2024] Open
Abstract
Chronic inflammatory diseases, such as rheumatoid arthritis, spondyloarthritis, systemic lupus erythematosus, Crohn's disease, periodontitis, and carcinoma metastasis frequently result in bone destruction. Pro-inflammatory cytokines such as tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), IL-6, and IL-17 are known to influence bone loss by promoting the differentiation and activation of osteoclasts. Fibrinolytic factors, such as plasminogen (Plg), plasmin, urokinase-type plasminogen activator (uPA), its receptor (uPAR), tissue-type plasminogen activator (tPA), α2-antiplasmin (α2AP), and plasminogen activator inhibitor-1 (PAI-1) are expressed in osteoclasts and osteoblasts and are considered essential in maintaining bone homeostasis by regulating the functions of both osteoclasts and osteoblasts. Additionally, fibrinolytic factors are associated with the regulation of inflammation and the immune system. This review explores the roles of fibrinolytic factors in bone destruction caused by inflammation.
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Affiliation(s)
- Yosuke Kanno
- Department of Molecular Pathology, Faculty of Pharmaceutical Science, Doshisha Women's College of Liberal Arts, 97-1 Kodo Kyotanabe, Kyoto 610-0395, Japan
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4
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The uPA/uPAR System Orchestrates the Inflammatory Response, Vascular Homeostasis, and Immune System in Fibrosis Progression. Int J Mol Sci 2023; 24:ijms24021796. [PMID: 36675310 PMCID: PMC9866279 DOI: 10.3390/ijms24021796] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 01/11/2023] [Accepted: 01/13/2023] [Indexed: 01/18/2023] Open
Abstract
Fibrotic diseases, such as systemic sclerosis (SSc), idiopathic pulmonary fibrosis, renal fibrosis and liver cirrhosis are characterized by tissue overgrowth due to excessive extracellular matrix (ECM) deposition. Fibrosis progression is caused by ECM overproduction and the inhibition of ECM degradation due to several events, including inflammation, vascular endothelial dysfunction, and immune abnormalities. Recently, it has been reported that urokinase plasminogen activator (uPA) and its receptor (uPAR), known to be fibrinolytic factors, orchestrate the inflammatory response, vascular homeostasis, and immune homeostasis system. The uPA/uPAR system may show promise as a potential therapeutic target for fibrotic diseases. This review considers the role of the uPA/uPAR system in the progression of fibrotic diseases.
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Kanno Y, Shu E. α2-Antiplasmin as a Potential Therapeutic Target for Systemic Sclerosis. Life (Basel) 2022; 12:life12030396. [PMID: 35330147 PMCID: PMC8953682 DOI: 10.3390/life12030396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 03/04/2022] [Accepted: 03/04/2022] [Indexed: 11/24/2022] Open
Abstract
Systemic sclerosis is a connective tissue disease of unknown origin that is characterized by immune system abnormalities, vascular damage, and extensive fibrosis of the skin and visceral organs. α2-antiplasmin is known to be the main plasmin inhibitor and has various functions such as cell differentiation and cytokine production, as well as the regulation of the maintenance of the immune system, endothelial homeostasis, and extracellular matrix metabolism. The expression of α2-antiplasmin is elevated in dermal fibroblasts from systemic sclerosis patients, and the blockade of α2-antiplasmin suppresses fibrosis progression and vascular dysfunction in systemic sclerosis model mice. α2-antiplasmin may have promise as a potential therapeutic target for systemic sclerosis. This review considers the role of α2-antiplasmin in the progression of systemic sclerosis.
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Affiliation(s)
- Yosuke Kanno
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Science, Doshisha Women’s College of Liberal Arts, 97-1 Kodo Kyotanabe, Kyoto 610-0395, Japan
- Department of Dermatology, Graduate School of Medicine, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan;
- Correspondence: ; Tel.:+81-0774-65-8629
| | - En Shu
- Department of Dermatology, Graduate School of Medicine, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan;
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6
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Kanno Y, Tsuchida K, Maruyama C, Hori K, Teramura H, Asahi S, Matsuo O, Ozaki KI. Alpha2-antiplasmin deficiency affects depression and anxiety-like behavior and apoptosis induced by stress in mice. J Basic Clin Physiol Pharmacol 2021; 33:633-638. [PMID: 34913624 DOI: 10.1515/jbcpp-2021-0282] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 11/26/2021] [Indexed: 02/06/2023]
Abstract
OBJECTIVES Depression is a psychiatric disorder that affects about 10% of the world's population and is accompanied by anxiety. Depression and anxiety are often caused by various stresses. However, the etiology of depression and anxiety remains unknown. It has been reported that alpha2-antiplasmin (α2AP) not only inhibits plasmin but also has various functions such as cytokine production and cell growth. This study aimed to determine the roles of α2AP on the stress-induced depression and anxiety. METHODS We investigated the mild repeated restraint stress-induced depressive and anxiety-like behavior in the α2AP+/+ and α2AP-/- mice using the social interaction test (SIT), sucrose preference test (SPT), and elevated plus maze (EPM). RESULTS The stresses such as the mild repeated restraint stress suppressed α2AP expression in the hippocampus of mice, and the treatment of fluoxetine (selective serotonin reuptake inhibitor [SSRI]) recovered the stress-caused α2AP suppression. We also showed that α2AP deficiency promoted the mild restraint stress-stimulated depression-like behavior such as social withdrawal and apathy and apoptosis in mice. In contrast, α2AP deficiency attenuated the mild restraint stress induced the anxiety-like behavior in mice. CONCLUSIONS α2AP affects the pathogenesis of depression and anxiety induced by stress.
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Affiliation(s)
- Yosuke Kanno
- Department of Molecular Pathology, Faculty of Pharmaceutical Science, Doshisha Women's College of Liberal Arts, Kyoto, Japan
| | - Kaho Tsuchida
- Department of Molecular Pathology, Faculty of Pharmaceutical Science, Doshisha Women's College of Liberal Arts, Kyoto, Japan
| | - Chihiro Maruyama
- Department of Molecular Pathology, Faculty of Pharmaceutical Science, Doshisha Women's College of Liberal Arts, Kyoto, Japan
| | - Kyoko Hori
- Department of Molecular Pathology, Faculty of Pharmaceutical Science, Doshisha Women's College of Liberal Arts, Kyoto, Japan
| | - Hanako Teramura
- Department of Molecular Pathology, Faculty of Pharmaceutical Science, Doshisha Women's College of Liberal Arts, Kyoto, Japan
| | - Shiho Asahi
- Department of Molecular Pathology, Faculty of Pharmaceutical Science, Doshisha Women's College of Liberal Arts, Kyoto, Japan
| | - Osamu Matsuo
- Faculty of Medicine, Kindai University, Osaka-sayama, Japan
| | - Kei-Ichi Ozaki
- Department of Molecular Pathology, Faculty of Pharmaceutical Science, Doshisha Women's College of Liberal Arts, Kyoto, Japan
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7
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Kanno Y, Hirota M, Matsuo O, Ozaki KI. α2-antiplasmin positively regulates endothelial-to-mesenchymal transition and fibrosis progression in diabetic nephropathy. Mol Biol Rep 2021; 49:205-215. [PMID: 34709571 DOI: 10.1007/s11033-021-06859-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 10/20/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND Diabetic nephropathy (DN), is microvascular complication of diabetes causes to kidney dysfunction and renal fibrosis. It is known that hyperglycemia and advanced glycation end products (AGEs) produced by hyperglycemic condition induce myofibroblast differentiation and endothelial-to-mesenchymal transition (EndoMT), and exacerbate fibrosis in DN. Recently, we demonstrated that α2-antiplasmin (α2AP) is associated with inflammatory response and fibrosis progression. METHODS We investigated the role of α2AP on fibrosis progression in DN using a streptozotocin-induced DN mouse model. RESULTS α2AP deficiency attenuated EndoMT and fibrosis progression in DN model mice. We also showed that the high glucose condition/AGEs induced α2AP production in fibroblasts (FBs), and the reduction of receptor for AGEs (RAGE) by siRNA attenuated the AGEs-induced α2AP production in FBs. Furthermore, the bloackade of α2AP by the neutralizing antibody attenuated the high glucose condition-induced pro-fibrotic changes in FBs. On the other hand, the hyperglycemic condition/AGEs induced EndoMT in vascular endothelial cells (ECs), the FBs/ECs co-culture promoted the high glucose condition-induced EndoMT compared to ECs mono-culture. Furthermore, α2AP promoted the AGEs-induced EndoMT, and the blockade of α2AP attenuated the FBs/ECs co-culture-promoted EndoMT under the high glucose condition. CONCLUSIONS The high glucose conditions induced α2AP production, and α2AP is associated with EndoMT and fibrosis progression in DN. These findings provide a basis for clinical strategies to improve DN.
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Affiliation(s)
- Yosuke Kanno
- Department of Molecular Pathology, Faculty of Pharmaceutical Science, Doshisha Women's College of Liberal Arts, 97-1 Kodo Kyo-tanabe, Kyoto, 610-0395, Japan.
| | - Momoko Hirota
- Department of Molecular Pathology, Faculty of Pharmaceutical Science, Doshisha Women's College of Liberal Arts, 97-1 Kodo Kyo-tanabe, Kyoto, 610-0395, Japan
| | - Osamu Matsuo
- Kindai University Faculty of Medicine, 377-2 Ohnohigashi, Osakasayama, 589-8511, Japan
| | - Kei-Ichi Ozaki
- Department of Molecular Pathology, Faculty of Pharmaceutical Science, Doshisha Women's College of Liberal Arts, 97-1 Kodo Kyo-tanabe, Kyoto, 610-0395, Japan
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8
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Rebordão MR, Amaral A, Fernandes C, Silva E, Lukasik K, Szóstek-Mioduchowska A, Pinto-Bravo P, Galvão A, Skarzynski DJ, Ferreira-Dias G. Enzymes Present in Neutrophil Extracellular Traps May Stimulate the Fibrogenic PGF 2α Pathway in the Mare Endometrium. Animals (Basel) 2021; 11:ani11092615. [PMID: 34573581 PMCID: PMC8469524 DOI: 10.3390/ani11092615] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 09/02/2021] [Accepted: 09/02/2021] [Indexed: 12/23/2022] Open
Abstract
Simple Summary Endometrosis is a fibrotic disease in mare endometrium whose pathological mechanisms remain obscure. Prostaglandin (PG)F2α, despite modulating reproductive physiological processes, may also provoke local pathological collagen deposition (fibrogenesis). Neutrophil extracellular traps (NETs) released during inflammation have been linked to fibrogenesis in several tissues. We have previously shown that enzymes found in NETs increase in vitro collagen production in mare endometrium. In this study, activation of PGF2α-pathway in equine endometrial explants challenged in vitro by enzymes found in NETs is shown. Our results indicate that both endocrine microenvironment (estrous cycle phase) and healthy or pathological conditions of endometrial tissues play an important role in PGF2α-pathway activation. In the endometrium of the follicular phase, we have observed both high production of PGF2α and/or PGF2α receptor gene transcription under the action of enzymes found in NETs, both conditions associated with fibrogenesis in other tissues. Nevertheless, transcription of the PGF2α receptor gene does not appear to be hormone-dependent, albeit their levels seem to be dependent on endometrial category in the mid-luteal phase. This study suggests that enzymes existing in NETs may instigate changes on PGF2α mediators, which may become an additional mechanism of fibrogenesis in mare endometrium. Abstract Endometrosis, a fibrotic disease of mare endometrium, impairs uterine function. Prostaglandins (PG), despite modulating reproductive physiological functions, may also cause local pathological collagen deposition (fibrogenesis). We have previously shown that neutrophil extracellular traps (NETs) may also favor mare endometrosis. The aim of this study was to investigate the effect of enzymes present in NETs on PGF2α-pathway activation. Kenney and Doig’s type I/IIA and IIB/III mare endometria, from follicular phase (FLP) and mid-luteal (MLP) phase, were cultured in vitro in the presence of NETs enzymes (elastase, cathepsin-G or myeloperoxidase). Production of PGF2α (EIA) and transcription (qPCR) of its synthases (PTGS2, AKR1C3) and receptor (PTGFR) genes were evaluated. PGF2α and PTGFR were influenced by endometrial category and estrous cycle phase. In FLP endometrium, NETs enzymes induced both high PGF2α production and/or PTGFR transcription. In MLP type I/IIA tissues, down-regulation of PTGFR transcripts occurred. However, in MLP type IIB/III endometrium, high levels of PTGFR transcripts were induced by NETs enzymes. As PGF2α-pathway activation facilitates fibrogenesis in other tissues, PGF2α may be involved in endometrosis pathogenesis. In the mare, the endocrine microenvironment of healthy and pathological endometrium might modulate the PGF2α pathway, as well as fibrosis outcome on endometrium challenged by NETs enzymes.
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Affiliation(s)
- Maria Rosa Rebordão
- CIISA—Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, 1300-477 Lisboa, Portugal; (M.R.R.); (A.A.); (C.F.); (E.S.)
- Polytechnic Institute of Coimbra, College of Agriculture, 3045-601 Coimbra, Portugal;
| | - Ana Amaral
- CIISA—Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, 1300-477 Lisboa, Portugal; (M.R.R.); (A.A.); (C.F.); (E.S.)
| | - Carina Fernandes
- CIISA—Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, 1300-477 Lisboa, Portugal; (M.R.R.); (A.A.); (C.F.); (E.S.)
| | - Elisabete Silva
- CIISA—Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, 1300-477 Lisboa, Portugal; (M.R.R.); (A.A.); (C.F.); (E.S.)
| | - Karolina Lukasik
- Department of Reproductive Immunology and Pathology, Institute of Animal Reproduction and Food Research of PAS, 10-748 Olsztyn, Poland; (K.L.); (A.S.-M.); (A.G.); (D.J.S.)
| | - Anna Szóstek-Mioduchowska
- Department of Reproductive Immunology and Pathology, Institute of Animal Reproduction and Food Research of PAS, 10-748 Olsztyn, Poland; (K.L.); (A.S.-M.); (A.G.); (D.J.S.)
| | - Pedro Pinto-Bravo
- Polytechnic Institute of Coimbra, College of Agriculture, 3045-601 Coimbra, Portugal;
| | - António Galvão
- Department of Reproductive Immunology and Pathology, Institute of Animal Reproduction and Food Research of PAS, 10-748 Olsztyn, Poland; (K.L.); (A.S.-M.); (A.G.); (D.J.S.)
| | - Dariusz J. Skarzynski
- Department of Reproductive Immunology and Pathology, Institute of Animal Reproduction and Food Research of PAS, 10-748 Olsztyn, Poland; (K.L.); (A.S.-M.); (A.G.); (D.J.S.)
| | - Graça Ferreira-Dias
- CIISA—Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, 1300-477 Lisboa, Portugal; (M.R.R.); (A.A.); (C.F.); (E.S.)
- Correspondence: ; Tel.: +351-213-652-859
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Medcalf RL, Keragala CB. The Fibrinolytic System: Mysteries and Opportunities. Hemasphere 2021; 5:e570. [PMID: 34095754 PMCID: PMC8171360 DOI: 10.1097/hs9.0000000000000570] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 04/07/2021] [Indexed: 02/07/2023] Open
Abstract
The deposition and removal of fibrin has been the primary role of coagulation and fibrinolysis, respectively. There is also little doubt that these 2 enzyme cascades influence each other given they share the same serine protease family ancestry and changes to 1 arm of the hemostatic pathway would influence the other. The fibrinolytic system in particular has also been known for its capacity to clear various non-fibrin proteins and to activate other enzyme systems, including complement and the contact pathway. Furthermore, it can also convert a number of growth factors into their mature, active forms. More recent findings have extended the reach of this system even further. Here we will review some of these developments and also provide an account of the influence of individual players of the fibrinolytic (plasminogen activating) pathway in relation to physiological and pathophysiological events, including aging and metabolism.
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Affiliation(s)
- Robert L. Medcalf
- Molecular Neurotrauma and Haemostasis, Australian Centre for Blood Diseases, Central Clinical School, Monash University, Victoria, Australia
| | - Charithani B. Keragala
- Molecular Neurotrauma and Haemostasis, Australian Centre for Blood Diseases, Central Clinical School, Monash University, Victoria, Australia
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Li K, Zhao J, Wang M, Niu L, Wang Y, Li Y, Zheng Y. The Roles of Various Prostaglandins in Fibrosis: A Review. Biomolecules 2021; 11:biom11060789. [PMID: 34073892 PMCID: PMC8225152 DOI: 10.3390/biom11060789] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 04/20/2021] [Accepted: 05/12/2021] [Indexed: 02/07/2023] Open
Abstract
Organ fibrosis is a common pathological result of various chronic diseases with multiple causes. Fibrosis is characterized by the excessive deposition of extracellular matrix and eventually leads to the destruction of the tissue structure and impaired organ function. Prostaglandins are produced by arachidonic acid through cyclooxygenases and various prostaglandin-specific synthases. Prostaglandins bind to homologous receptors on adjacent tissue cells in an autocrine or paracrine manner and participate in the regulation of a series of physiological or pathological processes, including fibrosis. This review summarizes the properties, synthesis, and degradation of various prostaglandins, as well as the roles of these prostaglandins and their receptors in fibrosis in multiple models to reveal the clinical significance of prostaglandins and their receptors in the treatment of fibrosis.
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11
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Kanno Y, Shu E, Niwa H, Seishima M, Ozaki KI. MicroRNA-30c attenuates fibrosis progression and vascular dysfunction in systemic sclerosis model mice. Mol Biol Rep 2021; 48:3431-3437. [PMID: 33913094 DOI: 10.1007/s11033-021-06368-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 04/21/2021] [Indexed: 10/21/2022]
Abstract
Systemic sclerosis (SSc) is characterized by peripheral circulatory disturbance and fibrosis in skin and visceral organs. We recently demonstrated that α2-antiplasmin (α2AP) is elevated in SSc dermal fibroblasts and SSc model mice, and is associated with fibrosis progression and vascular dysfunction. In the present study, we predicted that α2AP could be a target of microRNA-30c (miR-30c) using TargetScan online database, and investigated the effect of miR-30c on the pathogenesis of SSc using a bleomycin-induced SSc model mice. miR-30c attenuated α2AP expression, and prevented the pro-fibrotic changes (increased dermal thickness, collagen deposition, myofibroblast accmulation) and the vascular dysfunction (the reduction of vascular endothelial cells (ECs) and blood flow) in the skin of SSc model mice. Furthermore, miR-30c suppressed pulmonary fibrosis progression in the SSc model mice. miR-30c exerts the anti-fibrotic and anti-angiopathy effects on SSc model mice, and might provide a basis for clinical strategies for SSc.
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Affiliation(s)
- Yosuke Kanno
- Department of Molecular Pathology, Faculty of Pharmaceutical Science, Doshisha Women's College of Liberal Arts, 97-1 Kodo Kyo-tanabe, Kyoto, 610-0395, Japan. .,Department of Dermatology, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu, 501-1194, Japan.
| | - En Shu
- Department of Dermatology, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu, 501-1194, Japan
| | - Hirofumi Niwa
- Department of Dermatology, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu, 501-1194, Japan
| | - Mariko Seishima
- Department of Dermatology, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu, 501-1194, Japan
| | - Kei-Ichi Ozaki
- Department of Molecular Pathology, Faculty of Pharmaceutical Science, Doshisha Women's College of Liberal Arts, 97-1 Kodo Kyo-tanabe, Kyoto, 610-0395, Japan
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12
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Chen W, Wang Q, Zhou B, Zhang L, Zhu H. Lipid Metabolism Profiles in Rheumatic Diseases. Front Pharmacol 2021; 12:643520. [PMID: 33897433 PMCID: PMC8064727 DOI: 10.3389/fphar.2021.643520] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 02/18/2021] [Indexed: 12/25/2022] Open
Abstract
Rheumatic diseases are a group of chronic autoimmune disorders that involve multiple organs or systems and have high mortality. The mechanisms of these diseases are still ill-defined, and targeted therapeutic strategies are still challenging for physicians. Recent research indicates that cell metabolism plays important roles in the pathogenesis of rheumatic diseases. In this review, we mainly focus on lipid metabolism profiles (dyslipidaemia, fatty acid metabolism) and mechanisms in rheumatic diseases and discuss potential clinical applications based on lipid metabolism profiles.
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Affiliation(s)
- Weilin Chen
- Department of Rheumatology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha, China.,Provincial Clinical Research Center for Rheumatic and Immunologic Diseases, Xiangya Hospital, Changsha, China
| | - Qi Wang
- Department of Radiology, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, China
| | - Bin Zhou
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Lihua Zhang
- Department of Rheumatology, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, China
| | - Honglin Zhu
- Department of Rheumatology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha, China.,Provincial Clinical Research Center for Rheumatic and Immunologic Diseases, Xiangya Hospital, Changsha, China
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13
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Singh S, Saleem S, Reed GL. Alpha2-Antiplasmin: The Devil You Don't Know in Cerebrovascular and Cardiovascular Disease. Front Cardiovasc Med 2020; 7:608899. [PMID: 33426005 PMCID: PMC7785519 DOI: 10.3389/fcvm.2020.608899] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 12/02/2020] [Indexed: 01/23/2023] Open
Abstract
Alpha2-antiplasmin (α2AP), the fast-reacting, serine protease inhibitor (serpin) of plasmin, was originally thought to play a key role in protection against uncontrolled, plasmin-mediated proteolysis of coagulation factors and other molecules. However, studies of humans and mice with genetic deficiency of α2AP have expanded our understanding of this serpin, particularly in disease states. Epidemiology studies have shown an association between high α2AP levels and increased risk or poor outcome in cardiovascular diseases. Mechanistic studies in disease models indicate that α2AP stops the body's own fibrinolytic system from dissolving pathologic thrombi that cause venous thrombosis, pulmonary embolism, arterial thrombosis, and ischemic stroke. In addition, α2AP fosters the development of microvascular thrombosis and enhances matrix metalloproteinase-9 expression. Through these mechanisms and others, α2AP contributes to brain injury, hemorrhage and swelling in experimental ischemic stroke. Recent studies also show that α2AP is required for the development of stasis thrombosis by inhibiting the early activation of effective fibrinolysis. In this review, we will discuss the key role played by α2AP in controlling thrombosis and fibrinolysis and, we will consider its potential value as a therapeutic target in cardiovascular diseases and ischemic stroke.
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Affiliation(s)
- Satish Singh
- Department of Medicine, University of Arizona-College of Medicine, Phoenix, AZ, United States
| | - Sofiyan Saleem
- Department of Medicine, University of Arizona-College of Medicine, Phoenix, AZ, United States
| | - Guy L Reed
- Department of Medicine, University of Arizona-College of Medicine, Phoenix, AZ, United States
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14
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Beck H, Thaler T, Meibom D, Meininghaus M, Jörißen H, Dietz L, Terjung C, Bairlein M, von Bühler CJ, Anlauf S, Fürstner C, Stellfeld T, Schneider D, Gericke KM, Buyck T, Lovis K, Münster U, Anlahr J, Kersten E, Levilain G, Marossek V, Kast R. Potent and Selective Human Prostaglandin F (FP) Receptor Antagonist (BAY-6672) for the Treatment of Idiopathic Pulmonary Fibrosis (IPF). J Med Chem 2020; 63:11639-11662. [PMID: 32969660 DOI: 10.1021/acs.jmedchem.0c00834] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Idiopathic pulmonary fibrosis (IPF) is a rare and devastating chronic lung disease of unknown etiology. Despite the approved treatment options nintedanib and pirfenidone, the medical need for a safe and well-tolerated antifibrotic treatment of IPF remains high. The human prostaglandin F receptor (hFP-R) is widely expressed in the lung tissue and constitutes an attractive target for the treatment of fibrotic lung diseases. Herein, we present our research toward novel quinoline-based hFP-R antagonists, including synthesis and detailed structure-activity relationship (SAR). Starting from a high-throughput screening (HTS) hit of our corporate compound library, multiple parameter improvements-including increase of the relative oral bioavailability Frel from 3 to ≥100%-led to a highly potent and selective hFP-R antagonist with complete oral absorption from suspension. BAY-6672 (46) represents-to the best of our knowledge-the first reported FP-R antagonist to demonstrate in vivo efficacy in a preclinical animal model of lung fibrosis, thus paving the way for a new treatment option in IPF.
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Affiliation(s)
- Hartmut Beck
- Research & Development, Pharmaceuticals, Bayer AG, 42096 Wuppertal, Germany
| | - Tobias Thaler
- Research & Development, Pharmaceuticals, Bayer AG, 42096 Wuppertal, Germany
| | - Daniel Meibom
- Research & Development, Pharmaceuticals, Bayer AG, 42096 Wuppertal, Germany
| | - Mark Meininghaus
- Research & Development, Pharmaceuticals, Bayer AG, 42096 Wuppertal, Germany
| | - Hannah Jörißen
- Research & Development, Pharmaceuticals, Bayer AG, 42096 Wuppertal, Germany
| | - Lisa Dietz
- Research & Development, Pharmaceuticals, Bayer AG, 42096 Wuppertal, Germany
| | - Carsten Terjung
- Research & Development, Pharmaceuticals, Bayer AG, 42096 Wuppertal, Germany
| | - Michaela Bairlein
- Research & Development, Pharmaceuticals, Bayer AG, 42096 Wuppertal, Germany
| | | | - Sonja Anlauf
- Research & Development, Pharmaceuticals, Bayer AG, 42096 Wuppertal, Germany
| | - Chantal Fürstner
- Research & Development, Pharmaceuticals, Bayer AG, 42096 Wuppertal, Germany
| | - Timo Stellfeld
- Research & Development, Pharmaceuticals, Bayer AG, 13353 Berlin, Germany
| | - Dirk Schneider
- Research & Development, Pharmaceuticals, Bayer AG, 42096 Wuppertal, Germany
| | - Kersten M Gericke
- Research & Development, Pharmaceuticals, Bayer AG, 42096 Wuppertal, Germany
| | - Thomas Buyck
- Research & Development, Pharmaceuticals, Bayer AG, 42096 Wuppertal, Germany
| | - Kai Lovis
- Research & Development, Pharmaceuticals, Bayer AG, 42096 Wuppertal, Germany
| | - Uwe Münster
- Research & Development, Pharmaceuticals, Bayer AG, 42096 Wuppertal, Germany
| | - Johanna Anlahr
- Research & Development, Pharmaceuticals, Bayer AG, 42096 Wuppertal, Germany
| | - Elisabeth Kersten
- Research & Development, Pharmaceuticals, Bayer AG, 42096 Wuppertal, Germany
| | - Guillaume Levilain
- Research & Development, Pharmaceuticals, Bayer AG, 42096 Wuppertal, Germany
| | - Virginia Marossek
- Research & Development, Pharmaceuticals, Bayer AG, 42096 Wuppertal, Germany
| | - Raimund Kast
- Research & Development, Pharmaceuticals, Bayer AG, 42096 Wuppertal, Germany
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15
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Szóstek-Mioduchowska AZ, Baclawska A, Rebordão MR, Ferreira-Dias G, Skarzynski DJ. Prostaglandins effect on matrix metallopeptidases and collagen in mare endometrial fibroblasts. Theriogenology 2020; 153:74-84. [PMID: 32442743 DOI: 10.1016/j.theriogenology.2020.04.040] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 04/09/2020] [Accepted: 04/30/2020] [Indexed: 01/24/2023]
Abstract
An increasing number of studies have shown that prostaglandins (PGs) exert multiple regulatory actions in the processes associated to tissue remodeling and fibrosis. Extracellular matrix (ECM) turnover is mediated by matrix metallopeptidases (MMPs). The knowledge about the regulation of their expression in mare endometrium is still limited. Thus, the aim of this study was to investigate whether: (i) profibrotic transforming growth factor (TGF)-β1 modulates PG production in equine endometrium; and (ii) PGE2 and PGF2α modulate MMPs, their tissue inhibitors (TIMPs), and collagen 1 (COL1) expression. In experiment 1, the effect of TGF-β1 (5 ng/mL) on PG secretion and PG synthases mRNA transcription, after 24 and 48 h treatment of mare endometrial fibroblast and epithelial cells was investigated using ELISA and qPCR. In experiment 2, the effects of PGE2 and PGF2α in doses 10-7M and 10-8M on secretion and MMP1, 2, 9, 13, TIMP1, 2, and COL1A1 mRNA transcription in mare endometrial fibroblasts were assessed. Transforming growth factor-β1 treatment decreased secretion of PGF2α by endometrial fibroblasts (P < 0.05) and PGF2α and PGE2 by endometrial epithelial cells (P < 0.05). Prostaglandin E2 increased MMP-2 and MMP-9, and decreased MMP-13 secretion by endometrial fibroblasts (P < 0.05). Additionally, PGF2α treatment increased MMP-2, MMP-13 and COL1, but decreased MMP-1 secretion by endometrial fibroblasts (P < 0.05). Prostaglandins may be involved in the processes associated to pathological endometrial remodeling by their effect on MMP expression. The effect of PGF2α on COL1 secretion from fibroblasts suggests its profibrotic role in pathological endometrial remodeling.
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Affiliation(s)
- Anna Zuzanna Szóstek-Mioduchowska
- Department of Reproductive Immunology and Pathology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima Str 10, 10-748, Olsztyn, Poland.
| | - Agnieszka Baclawska
- Department of Reproductive Immunology and Pathology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima Str 10, 10-748, Olsztyn, Poland
| | - Maria Rosa Rebordão
- CIISA - Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal; Department of Animal Sciences, Coimbra College of Agriculture, Polytechnic Institute of Coimbra, Coimbra, Portugal
| | - Graca Ferreira-Dias
- CIISA - Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal
| | - Dariusz Jan Skarzynski
- Department of Reproductive Immunology and Pathology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima Str 10, 10-748, Olsztyn, Poland
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16
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Kanno Y, Shu E, Niwa H, Kanoh H, Seishima M. Alternatively activated macrophages are associated with the α2AP production that occurs with the development of dermal fibrosis : The role of alternatively activated macrophages on the development of fibrosis. Arthritis Res Ther 2020; 22:76. [PMID: 32272967 PMCID: PMC7146905 DOI: 10.1186/s13075-020-02159-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 03/23/2020] [Indexed: 12/25/2022] Open
Abstract
Background Fibrotic diseases are characterized by tissue overgrowth, hardening, and/or scarring because of the excessive production, deposition, and contraction of the extracellular matrix (ECM). However, the detailed mechanisms underlying these disorders remain unclear. It was recently reported that α2-antiplasmin (α2AP) is elevated in fibrotic tissue and that it is associated with the development of fibrosis. In the present study, we examined the mechanism underlying the production of α2AP on the development of fibrosis. Methods To clarify the mechanism underlying the production of α2AP on the development of fibrosis, we focused on high-mobility group box 1 (HMGB1), which is associated with the development of fibrosis. The mouse model of bleomycin-induced fibrosis was used to evaluate the production of α2AP on the development of fibrosis. Results We found that HMGB1 induced the production of α2AP through receptor for advanced glycation end products (RAGE) in fibroblasts. Next, we showed that macrophage reduction by a macrophage-depleting agent, clodronate, attenuated the progression of fibrosis and the production of α2AP and HMGB1 in the bleomycin-induced mice. We also showed that IL-4-stimulated alternatively activated macrophages induced the production of HMGB1, that IL-4-stimulated alternatively activated macrophage conditioned media (CM) induced pro-fibrotic changes and α2AP production, and that the inhibition of HMGB1 and RAGE attenuated these effects in fibroblasts. Furthermore, the blockade of IL-4 signaling by IL-4Rα neutralizing antibodies attenuated the progression of fibrosis and the production of α2AP and HMGB1 in the bleomycin-induced mice. Conclusion These findings suggest that alternatively activated macrophage-derived HMGB1 induced the production of α2AP through RAGE and that these effects are associated with the development of fibrosis. Our findings may provide a clinical strategy for managing fibrotic disorders.
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Affiliation(s)
- Yosuke Kanno
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Science, Doshisha Women's College of Liberal Arts, 97-1 Kodo Kyo-tanabe, Kyoto, 610-0395, Japan. .,Department of Dermatology, Graduate School of Medicine, Gifu University, 1-1 Yanagido, Gifu, 501-1194, Japan.
| | - En Shu
- Department of Dermatology, Graduate School of Medicine, Gifu University, 1-1 Yanagido, Gifu, 501-1194, Japan
| | - Hirofumi Niwa
- Department of Dermatology, Graduate School of Medicine, Gifu University, 1-1 Yanagido, Gifu, 501-1194, Japan
| | - Hiroyuki Kanoh
- Department of Dermatology, Graduate School of Medicine, Gifu University, 1-1 Yanagido, Gifu, 501-1194, Japan
| | - Mariko Seishima
- Department of Dermatology, Graduate School of Medicine, Gifu University, 1-1 Yanagido, Gifu, 501-1194, Japan
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17
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Kanno Y, Miyashita M, Seishima M, Matsuo O. α2AP is associated with the development of lupus nephritis through the regulation of plasmin inhibition and inflammatory responses. IMMUNITY INFLAMMATION AND DISEASE 2020; 8:267-278. [PMID: 32237065 PMCID: PMC7416015 DOI: 10.1002/iid3.302] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 02/07/2020] [Accepted: 03/18/2020] [Indexed: 01/19/2023]
Abstract
Introduction Lupus nephritis (LN) is a common complication of systemic lupus erythematosus (SLE), which is a chronic autoimmune disease. However, the detailed mechanisms underlying this disorder have remained unclear. Alpha2‐antiplasmin (α2AP) is known to perform various functions, such as plasmin inhibition and cytokine production, and to be associated with immune and inflammatory responses. Methods We investigated the roles of α2AP in the pathogenesis of LN using a pristane‐induced lupus mouse model. Results The levels of plasmin‐α2AP complex and α2AP were elevated in the lupus model mice. In addition, α2AP deficiency attenuated the pristane‐induced glomerular cell proliferation, mesangial matrix expansion, collagen production, fibrin deposition, immunoglobulin G deposition, and proinflammatory cytokine production in the model mice. We also showed that interferon‐γ (IFN‐γ), which is an essential inducer of LN, induced α2AP production through the c‐Jun N‐terminal kinase (JNK) pathway in fibroblasts. In addition, plasmin attenuated the IFN‐γ‐induced proinflammatory cytokine production through the AMPK pathway in macrophages, and α2AP eliminated these effects. Furthermore, we showed that α2AP induced proinflammatory cytokine production through the ERK1/2 and JNK pathways in macrophages. Conclusion α2AP regulates the inflammatory responses through plasmin inhibition and proinflammatory cytokine production and is associated with the development of LN. Our findings may be used to develop a novel therapeutic approach for SLE.
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Affiliation(s)
- Yosuke Kanno
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Science, Doshisha Women's College of Liberal Arts, Kyoto, Japan.,Department of Dermatology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Mei Miyashita
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Science, Doshisha Women's College of Liberal Arts, Kyoto, Japan
| | - Mariko Seishima
- Department of Dermatology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Osamu Matsuo
- Kindai University Faculty of Medicine, Osakasayama, Japan
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18
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Kintscher U, Foryst-Ludwig A, Haemmerle G, Zechner R. The Role of Adipose Triglyceride Lipase and Cytosolic Lipolysis in Cardiac Function and Heart Failure. CELL REPORTS MEDICINE 2020; 1:100001. [PMID: 33205054 PMCID: PMC7659492 DOI: 10.1016/j.xcrm.2020.100001] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Heart failure is one of the leading causes of death worldwide. New therapeutic concepts are urgently required to lower the burden of heart failure with reduced ejection fraction (HFrEF) and heart failure with preserved ejection fraction (HFpEF), the two major forms of heart failure. Lipolytic processes are induced during the development of heart failure and occur in adipose tissue and multiple organs, including the heart. Increasing evidence suggests that cellular lipolysis, in particular, adipose triglyceride lipase (ATGL) activity, has an important function in cardiac (patho)physiology. This review summarizes the crucial role of cellular lipolysis for normal cardiac function and for the development of HFrEF and HFpEF. We discuss the most relevant pre-clinical studies and elaborate on the cardiac consequences of non-myocardial and myocardial lipolysis modulation. Finally, we critically analyze the therapeutic importance of pharmacological ATGL inhibition as a potential treatment option for HFrEF and/or HFpEF in the future.
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Affiliation(s)
- Ulrich Kintscher
- Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Pharmacology, Center for Cardiovascular Research, Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Berlin, Germany
- Corresponding author
| | - Anna Foryst-Ludwig
- Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Pharmacology, Center for Cardiovascular Research, Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Berlin, Germany
| | - Guenter Haemmerle
- Institute of Molecular Biosciences, University of Graz, 8010 Graz, Austria
- BioTechMed-Graz, 8010 Graz, Austria
| | - Rudolf Zechner
- Institute of Molecular Biosciences, University of Graz, 8010 Graz, Austria
- BioTechMed-Graz, 8010 Graz, Austria
- Einstein BIH Visiting Fellow, Berlin Institute of Health, and Charité - Universitätsmedizin Berlin, Berlin, Germany
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19
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Kanno Y. The Role of Fibrinolytic Regulators in Vascular Dysfunction of Systemic Sclerosis. Int J Mol Sci 2019; 20:ijms20030619. [PMID: 30709025 PMCID: PMC6387418 DOI: 10.3390/ijms20030619] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 01/28/2019] [Accepted: 01/29/2019] [Indexed: 02/08/2023] Open
Abstract
Systemic sclerosis (SSc) is a connective tissue disease of autoimmune origin characterized by vascular dysfunction and extensive fibrosis of the skin and visceral organs. Vascular dysfunction is caused by endothelial cell (EC) apoptosis, defective angiogenesis, defective vasculogenesis, endothelial-to-mesenchymal transition (EndoMT), and coagulation abnormalities, and exacerbates the disease. Fibrinolytic regulators, such as plasminogen (Plg), plasmin, α2-antiplasmin (α2AP), tissue-type plasminogen activator (tPA), urokinase-type plasminogen activator (uPA) and its receptor (uPAR), plasminogen activator inhibitor 1 (PAI-1), and angiostatin, are considered to play an important role in the maintenance of endothelial homeostasis, and are associated with the endothelial dysfunction of SSc. This review considers the roles of fibrinolytic factors in vascular dysfunction of SSc.
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Affiliation(s)
- Yosuke Kanno
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Science, Doshisha Women's College of Liberal Arts, 97-1 Kodo Kyo-tanabe, Kyoto 610-0395, Japan.
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20
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Riederer M, Lechleitner M, Köfeler H, Frank S. Reduced expression of adipose triglyceride lipase decreases arachidonic acid release and prostacyclin secretion in human aortic endothelial cells. Arch Physiol Biochem 2017; 123:249-253. [PMID: 28368219 PMCID: PMC5942144 DOI: 10.1080/13813455.2017.1309052] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
BACKGROUND Vascular endothelial cells represent an important source of arachidonic acid (AA)-derived mediators involved in the generation of anti- or proatherogenic environments. Evidence emerged (in mast cells), that in addition to phospholipases, neutral lipid hydrolases as adipose triglyceride lipase (ATGL) also participate in this process. OBJECTIVE To examine the impact of ATGL on AA-release from cellular phospholipids (PL) and on prostacyclin secretion in human aortic endothelial cells (HAEC). METHODS AND RESULTS siRNA-mediated silencing of ATGL promoted lipid droplet formation and TG accumulation in HAEC (nile red stain). ATGL knockdown decreased the basal and A23187 (calcium ionophore)-induced release of 14C-AA from (14C-AA-labeled) HAEC. In A23187-stimulated ATGL silenced cells, this was accompanied by a decreased content of 14C-AA in cellular PL and a decreased secretion of prostacyclin (determined by 6-keto PGF1α EIA). CONCLUSIONS In vascular endothelial cells, the efficiency of stimulus-induced AA release and prostacyclin secretion is dependent on ATGL.
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Affiliation(s)
- Monika Riederer
- Institute of Molecular Biology and Biochemistry, Center of Molecular Medicine, Graz, Austria
- Institute of Biomedical Science, University of Applied Sciences, Graz, Austria
- CONTACT Monika Riederer
| | - Margarete Lechleitner
- Institute of Molecular Biology and Biochemistry, Center of Molecular Medicine, Graz, Austria
| | - Harald Köfeler
- Center for Medical Research, Core Facility Mass Spectrometry, Medical University Graz, Graz, Austria
| | - Saša Frank
- Institute of Molecular Biology and Biochemistry, Center of Molecular Medicine, Graz, Austria
- Saša FrankInstitute of Molecular Biology and Biochemistry, Center of Molecular Medicine, Medical University Graz, Harrachgasse 21/III, 8010Graz, Austria
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Kanno Y, Ishisaki A, Kuretake H, Maruyama C, Matsuda A, Matsuo O. α2-antiplasmin modulates bone formation by negatively regulating osteoblast differentiation and function. Int J Mol Med 2017; 40:854-858. [PMID: 28677806 DOI: 10.3892/ijmm.2017.3055] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Accepted: 07/03/2017] [Indexed: 11/06/2022] Open
Abstract
α2-antiplasmin (α2AP) is known to be a physiological inhibitor of plasmin. Previously, we showed that α2AP displays various functions, such as promotion of extracellular matrix production, cell growth, and cell differentiation that are not promoted by its function as a plasmin inhibitor. We herein investigated the role of α2AP in bone formation by examining calcein incorporation after its injection in α2AP-deficient mice. We found that α2AP deficiency enhanced the bone formation rate in mice. We also found that the osteocalcin expression and alkaline phosphatase activity were elevated in the femur and serum of the α2AP-deficient mice. Intriguingly, α2AP deficiency promoted osteoblast (OB) differentiation of primary calvarial OBs. In contrast, α2AP attenuated OB differentiation of mouse osteoblastic the MC3T3-E1 cells. Furthermore, α2AP attenuated Wnt-3a-induced β-catenin expression and low‑density lipoprotein receptor-related protein 6 activation in the MC3T3-E1 cells. These results suggest that α2AP negatively affects OB differentiation and function by inhibiting the Wnt/β-catenin pathway. These findings provide a basis for clinical strategies to improve various bone disorders.
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Affiliation(s)
- Yosuke Kanno
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Sciences, Doshisha Women's College of Liberal Arts, Kyoto 610-0395, Japan
| | - Akira Ishisaki
- Division of Cellular Biosignal Sciences, Department of Biochemistry, Iwate Medical University, Iwate 028-3694, Japan
| | - Hiromi Kuretake
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Sciences, Doshisha Women's College of Liberal Arts, Kyoto 610-0395, Japan
| | - Chihiro Maruyama
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Sciences, Doshisha Women's College of Liberal Arts, Kyoto 610-0395, Japan
| | - Ayaka Matsuda
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Sciences, Doshisha Women's College of Liberal Arts, Kyoto 610-0395, Japan
| | - Osamu Matsuo
- Kindai University Faculty of Medicine, Osaka 589-8511, Japan
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Kanno Y, Shu E, Kanoh H, Matsuda A, Seishima M. α2AP regulates vascular alteration by inhibiting VEGF signaling in systemic sclerosis: the roles of α2AP in vascular dysfunction in systemic sclerosis. Arthritis Res Ther 2017; 19:22. [PMID: 28159016 PMCID: PMC5291960 DOI: 10.1186/s13075-017-1227-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Accepted: 01/12/2017] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Systemic sclerosis (SSc) is a connective tissues disease of unknown origin characterized by vascular damage and extensive fibrosis. Recently, we demonstrated that α2-antiplasmin (α2AP) is associated with the development of fibrosis in SSc. We herein investigate the roles of α2AP in vascular dysfunction in SSc. METHODS Vascular damage in mice was determined by the levels of blood vessels and blood flow. Vascular functions in vascular endothelial cells (ECs) were determined by the levels of tube formation, cell proliferation, and endothelial junction-associated protein (VE-cadherin and PECAM1) production. RESULTS The administration of α2AP induced vascular damage in mice. Conversely, the α2AP neutralization improved vascular damage in a bleomycin-induced mouse model of SSc. Additionally, we showed that the SSc fibroblast-conditioned media induced the reduction of tube formation, cell proliferation, and endothelial junction-associated protein production in ECs, and that α2AP neutralization improved them. We also examined the mechanisms underlying the effects of α2AP on vascular alteration in SSc and found that α2AP attenuated vascular endothelial growth factor-induced tube formation, cell proliferation, and endothelial junction-associated protein production through the adipose triglyceride lipase/tyrosine phosphatase SHP2 axis in ECs. CONCLUSION Our findings demonstrate that α2AP is associated with vascular alteration, and that the blocking of α2AP improves vascular dysfunction in SSc.
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Affiliation(s)
- Yosuke Kanno
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Science, Doshisha Women's Collage of Liberal Arts, 97-1 Kodo, Kyo-tanabe, Kyoto, 610-0395, Japan.
| | - En Shu
- Department of Dermatology, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu, 501-1194, Japan
| | - Hiroyuki Kanoh
- Department of Dermatology, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu, 501-1194, Japan
| | - Ayaka Matsuda
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Science, Doshisha Women's Collage of Liberal Arts, 97-1 Kodo, Kyo-tanabe, Kyoto, 610-0395, Japan
| | - Mariko Seishima
- Department of Dermatology, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu, 501-1194, Japan
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Maderal A, Miteva M. SnapshotDx Quiz: April 2016. J Invest Dermatol 2016; 136:e39. [DOI: 10.1016/j.jid.2016.02.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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24
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Kanno Y, Shu E, Kanoh H, Seishima M. The Antifibrotic Effect of α2AP Neutralization in Systemic Sclerosis Dermal Fibroblasts and Mouse Models of Systemic Sclerosis. J Invest Dermatol 2015; 136:762-769. [PMID: 26743600 DOI: 10.1016/j.jid.2015.12.028] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Revised: 11/16/2015] [Accepted: 12/14/2015] [Indexed: 10/22/2022]
Abstract
Systemic sclerosis (SSc) is a connective tissue disease of autoimmune origin characterized by the fibrosis of skin and visceral organs, and peripheral circulatory disturbance. We recently demonstrated that α2-antiplasmin (α2AP), which is the physiological inhibitor of plasmin, is associated with the development of fibrosis. The aim of this study was to clarify the role of α2AP in the pathogenesis of SSc. The administration of α2AP in mice induced profibrotic changes, such as increased dermal thickness, collagen production, and myofibroblast differentiation. Conversely, the α2AP neutralization prevented not only profibrotic changes, but also the production of autoantibodies in bleomycin-induced mouse models of SSc. The expression of α2AP was elevated in dermal fibroblasts obtained from patients with SSc. Furthermore, α2AP treatment promoted profibrotic changes in human normal dermal fibroblasts, and α2AP neutralization reversed a profibrotic phenotype of SSc dermal fibroblasts, in the absence of plasmin. Our findings demonstrated that α2AP has a profibrotic effect probably not by the action as a plasmin inhibitor, and that the blocking of α2AP exerts an antifibrotic effect in humans and mice with SSc.
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Affiliation(s)
- Yosuke Kanno
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Science, Doshisha Women's Collage of Liberal Arts, Kodo Kyo-tanabe, Kyoto, Japan.
| | - En Shu
- Department of Dermatology, Gifu University Graduate School of Medicine, Yanagido Gifu, Japan
| | - Hiroyuki Kanoh
- Department of Dermatology, Gifu University Graduate School of Medicine, Yanagido Gifu, Japan
| | - Mariko Seishima
- Department of Dermatology, Gifu University Graduate School of Medicine, Yanagido Gifu, Japan
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Shiomi A, Kawao N, Yano M, Okada K, Tamura Y, Okumoto K, Matsuo O, Akagi M, Kaji H. α₂-Antiplasmin is involved in bone loss induced by ovariectomy in mice. Bone 2015; 79:233-41. [PMID: 26094563 DOI: 10.1016/j.bone.2015.06.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2015] [Revised: 06/06/2015] [Accepted: 06/13/2015] [Indexed: 12/22/2022]
Abstract
The mechanism of postmenopausal osteoporosis is not fully understood. α2-Antiplasmin (α2-AP) is the primary inhibitor of plasmin in the fibrinolytic system, but is known to have activities beyond fibrinolysis. However, its role in bone metabolism and the pathogenesis of osteoporosis remains unknown. In the current study, we therefore examined the effects of α2-AP deficiency on ovariectomy (OVX)-induced bone loss by using wild-type and α2-AP-deficient mice. Quantitative computed tomography analysis revealed that α2-AP deficiency blunted OVX-induced trabecular bone loss in mice. Moreover, α2-AP deficiency significantly blunted serum levels of bone-specific alkaline phosphatase, cross-linked C-telopeptide of type I collagen, and interleukin (IL)-1β elevated by OVX. α2-AP treatment elevated the levels of IL-1β and tumor necrosis factor (TNF)-α mRNA in RAW 264.7 cells, although it suppressed osteoclast formation induced by receptor activator of nuclear factor-κB ligand. α2-AP treatment activated ERK1/2 and p38 MAP kinase pathways in RAW 264.7 cells, and these MAP kinase inhibitors antagonized the levels of IL-1β mRNA elevated by α2-AP. The data demonstrate that α2-AP is linked to bone loss due to OVX, through a mechanism that depends in part on the production of IL-1β and TNF-α in monocytes.
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Affiliation(s)
- Akihito Shiomi
- Department of Orthopaedic Surgery, Kinki University Faculty of Medicine, Osaka-Sayama, Osaka 589-8511, Japan; Department of Physiology and Regenerative Medicine, Kinki University Faculty of Medicine, Osaka-Sayama, Osaka 589-8511, Japan
| | - Naoyuki Kawao
- Department of Physiology and Regenerative Medicine, Kinki University Faculty of Medicine, Osaka-Sayama, Osaka 589-8511, Japan
| | - Masato Yano
- Department of Physiology and Regenerative Medicine, Kinki University Faculty of Medicine, Osaka-Sayama, Osaka 589-8511, Japan
| | - Kiyotaka Okada
- Department of Physiology and Regenerative Medicine, Kinki University Faculty of Medicine, Osaka-Sayama, Osaka 589-8511, Japan
| | - Yukinori Tamura
- Department of Physiology and Regenerative Medicine, Kinki University Faculty of Medicine, Osaka-Sayama, Osaka 589-8511, Japan
| | - Katsumi Okumoto
- Life Science Research Institute, Kinki University, Osaka-Sayama, Osaka 589-8511, Japan
| | - Osamu Matsuo
- Department of Physiology and Regenerative Medicine, Kinki University Faculty of Medicine, Osaka-Sayama, Osaka 589-8511, Japan
| | - Masao Akagi
- Department of Orthopaedic Surgery, Kinki University Faculty of Medicine, Osaka-Sayama, Osaka 589-8511, Japan
| | - Hiroshi Kaji
- Department of Physiology and Regenerative Medicine, Kinki University Faculty of Medicine, Osaka-Sayama, Osaka 589-8511, Japan.
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Pattanaik D, Brown M, Postlethwaite BC, Postlethwaite AE. Pathogenesis of Systemic Sclerosis. Front Immunol 2015; 6:272. [PMID: 26106387 PMCID: PMC4459100 DOI: 10.3389/fimmu.2015.00272] [Citation(s) in RCA: 256] [Impact Index Per Article: 28.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2014] [Accepted: 05/16/2015] [Indexed: 01/04/2023] Open
Abstract
Systemic scleroderma (SSc) is one of the most complex systemic autoimmune diseases. It targets the vasculature, connective tissue-producing cells (namely fibroblasts/myofibroblasts), and components of the innate and adaptive immune systems. Clinical and pathologic manifestations of SSc are the result of: (1) innate/adaptive immune system abnormalities leading to production of autoantibodies and cell-mediated autoimmunity, (2) microvascular endothelial cell/small vessel fibroproliferative vasculopathy, and (3) fibroblast dysfunction generating excessive accumulation of collagen and other matrix components in skin and internal organs. All three of these processes interact and affect each other. The disease is heterogeneous in its clinical presentation that likely reflects different genetic or triggering factor (i.e., infection or environmental toxin) influences on the immune system, vasculature, and connective tissue cells. The roles played by other ubiquitous molecular entities (such as lysophospholipids, endocannabinoids, and their diverse receptors and vitamin D) in influencing the immune system, vasculature, and connective tissue cells are just beginning to be realized and studied and may provide insights into new therapeutic approaches to treat SSc.
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Affiliation(s)
- Debendra Pattanaik
- Department of Medicine, Division of Connective Tissue Diseases, The University of Tennessee Health Science Center , Memphis, TN , USA ; Department of Veterans Affairs Medical Center , Memphis, TN , USA
| | - Monica Brown
- Section of Pediatric Rheumatology, Department of Pediatrics, The University of Tennessee Health Science Center , Memphis, TN , USA
| | - Bradley C Postlethwaite
- Department of Medicine, Division of Connective Tissue Diseases, The University of Tennessee Health Science Center , Memphis, TN , USA
| | - Arnold E Postlethwaite
- Department of Medicine, Division of Connective Tissue Diseases, The University of Tennessee Health Science Center , Memphis, TN , USA ; Department of Veterans Affairs Medical Center , Memphis, TN , USA
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Lee YK, Lee JY, Moon JI, Park MH. Effectiveness of the ICare rebound tonometer in patients with overestimated intraocular pressure due to tight orbit syndrome. Jpn J Ophthalmol 2014; 58:496-502. [DOI: 10.1007/s10384-014-0343-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2014] [Accepted: 07/10/2014] [Indexed: 11/30/2022]
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Kanno Y, Kawashita E, Kokado A, Kuretake H, Ikeda K, Okada K, Seishima M, Ueshima S, Matsuo O, Matsuno H. α2AP mediated myofibroblast formation and the development of renal fibrosis in unilateral ureteral obstruction. Sci Rep 2014; 4:5967. [PMID: 25095732 PMCID: PMC5380014 DOI: 10.1038/srep05967] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Accepted: 07/15/2014] [Indexed: 12/16/2022] Open
Abstract
Renal fibrosis is the final common pathway of a wide variety of chronic kidney diseases. Myofibroblast formation via the differentiation of from tissue-resident fibroblasts and bone marrow-derived mesenchymal stem cells (MSCs), and epithelial-to-mesenchymal transition (EMT) is known to play a pivotal role in the development of renal fibrosis. However, the detailed mechanisms underlying this disorder remain unclear. We herein investigated the role of alpha 2-antiplasmin (α2AP) in myofibroblast formation and the development of renal fibrosis. We observed the development of renal fibrosis using unilateral ureteral obstruction (UUO). α2AP had accumulated in the UUO-induced obstructed kidneys and α2AP deficiency attenuated UUO-induced renal fibrosis in mice. The degree of myofibroblast formation in the obstructed kidneys of α2AP(-/-) mice was less than that in α2AP(+/+) mice. In vitro, α2AP induced myofibroblast formation in renal tubular epithelial cells (RTECs), renal fibrosblasts, and bone marrow-derived mesenchymal stem cells (MSCs). α2AP also induced the production of TGF-β, which is known to be a key regulator of myofibroblast formation and fibrosis. α2AP-induced the TGF-β production was significantly reduced by SP600125, c-Jun N-terminal kinase (JNK) specific inhibitor. Our findings suggest that α2AP induces myofibroblast formation in the obstructed kidneys, and mediates the development of renal fibrosis.
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Affiliation(s)
- Yosuke Kanno
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Science, Doshisha Women's Collage of Liberal Arts, 97-1 Kodo Kyo-tanabe, Kyoto, 610-0395, Japan
| | - Eri Kawashita
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Science, Doshisha Women's Collage of Liberal Arts, 97-1 Kodo Kyo-tanabe, Kyoto, 610-0395, Japan
| | - Akiko Kokado
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Science, Doshisha Women's Collage of Liberal Arts, 97-1 Kodo Kyo-tanabe, Kyoto, 610-0395, Japan
| | - Hiromi Kuretake
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Science, Doshisha Women's Collage of Liberal Arts, 97-1 Kodo Kyo-tanabe, Kyoto, 610-0395, Japan
| | - Kanako Ikeda
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Science, Doshisha Women's Collage of Liberal Arts, 97-1 Kodo Kyo-tanabe, Kyoto, 610-0395, Japan
| | - Kiyotaka Okada
- Department of Physiology II. Kinki University School of Medicine, Osaka-sayama, Japan
| | - Mariko Seishima
- Department of Dermatology, Gifu University Graduate School of Medicine, Yanagido Gifu, Japan
| | - Shigeru Ueshima
- 1] Department of Physiology II. Kinki University School of Medicine, Osaka-sayama, Japan [2] Department of Food Science and Nutrition, Kinki University School of Agriculture, Nara, Japan
| | - Osamu Matsuo
- Department of Physiology II. Kinki University School of Medicine, Osaka-sayama, Japan
| | - Hiroyuki Matsuno
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Science, Doshisha Women's Collage of Liberal Arts, 97-1 Kodo Kyo-tanabe, Kyoto, 610-0395, Japan
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Kawashita E, Kanno Y, Ikeda K, Kuretake H, Matsuo O, Matsuno H. Altered behavior in mice with deletion of the alpha2-antiplasmin gene. PLoS One 2014; 9:e97947. [PMID: 24874880 PMCID: PMC4038522 DOI: 10.1371/journal.pone.0097947] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2014] [Accepted: 04/27/2014] [Indexed: 01/16/2023] Open
Abstract
Background The α2-antiplasmin (α2AP) protein is known to be a principal physiological inhibitor of plasmin, and is expressed in various part of the brain, including the hippocampus, cortex, hypothalamus and cerebellum, thus suggesting a potential role for α2AP in brain functions. However, the involvement of α2AP in brain functions is currently unclear. Objectives The goal of this study was to investigate the effects of the deletion of the α2AP gene on the behavior of mice. Methods The motor function was examined by the wire hang test and rotarod test. To evaluate the cognitive function, a repeated rotarod test, Y-maze test, Morris water maze test, passive or shuttle avoidance test and fear conditioning test were performed. An open field test, dark/light transition test or tail suspension test was performed to determine the involvement of α2AP in anxiety or depression-like behavior. Results and Conclusions The α2AP knockout (α2AP−/−) mice exhibited impaired motor function compared with α2AP+/+ mice. The α2AP−/− mice also exhibited impairments in motor learning, working memory, spatial memory and fear conditioning memory. Furthermore, the deletion of α2AP induced anxiety-like behavior, and caused an anti-depression-like effect in tail suspension. Therefore, our findings suggest that α2AP is a crucial mediator of motor function, cognitive function, anxiety-like behavior and depression-like behavior, providing new insights into the role of α2AP in the brain functions.
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Affiliation(s)
- Eri Kawashita
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Science, Doshisha Women’s College of Liberal Arts, Kyo-tanabe, Kyoto, Japan
- * E-mail:
| | - Yosuke Kanno
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Science, Doshisha Women’s College of Liberal Arts, Kyo-tanabe, Kyoto, Japan
| | - Kanako Ikeda
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Science, Doshisha Women’s College of Liberal Arts, Kyo-tanabe, Kyoto, Japan
| | - Hiromi Kuretake
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Science, Doshisha Women’s College of Liberal Arts, Kyo-tanabe, Kyoto, Japan
| | - Osamu Matsuo
- Department of Physiology II. Kinki University School of Medicine, Osakasayama, Osaka, Japan
| | - Hiroyuki Matsuno
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Science, Doshisha Women’s College of Liberal Arts, Kyo-tanabe, Kyoto, Japan
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Kawashita E, Kanno Y, Asayama H, Okada K, Ueshima S, Matsuo O, Matsuno H. Involvement of α2-antiplasmin in dendritic growth of hippocampal neurons. J Neurochem 2013; 126:58-69. [PMID: 23646899 DOI: 10.1111/jnc.12281] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2013] [Revised: 04/26/2013] [Accepted: 04/29/2013] [Indexed: 01/25/2023]
Abstract
The α2-Antiplasmin (α2AP) protein is known as a principal physiological inhibitor of plasmin, but we previously demonstrated that it acts as a regulatory factor for cellular functions independent of plasmin. α2AP is highly expressed in the hippocampus, suggesting a potential role for α2AP in hippocampal neuronal functions. However, the role for α2AP was unclear. This study is the first to investigate the involvement of α2AP in the dendritic growth of hippocampal neurons. The expression of microtubule-associated protein 2, which contributes to neurite initiation and neuronal growth, was lower in the neurons from α2AP⁻/⁻ mice than in the neurons from α2AP⁺/⁺ mice. Exogenous treatment with α2AP enhanced the microtubule-associated protein 2 expression, dendritic growth and filopodia formation in the neurons. This study also elucidated the mechanism underlying the α2AP-induced dendritic growth. Aprotinin, another plasmin inhibitor, had little effect on the dendritic growth of neurons, and α2AP induced its expression in the neurons from plaminogen⁻/⁻ mice. The activation of p38 MAPK was involved in the α2AP-induced dendritic growth. Therefore, our findings suggest that α2AP induces dendritic growth in hippocampal neurons through p38 MAPK activation, independent of plasmin, providing new insights into the role of α2AP in the CNS.
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Affiliation(s)
- Eri Kawashita
- Department of Clinical Pathological Biochemistry, Faculty of Pharmaceutical Science, Doshisha Women's College of Liberal Arts, Kyoto, Japan.
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