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Jimenez-Uribe AP, Mangos S, Hahm E. Type I IFN in Glomerular Disease: Scarring beyond the STING. Int J Mol Sci 2024; 25:2497. [PMID: 38473743 PMCID: PMC10931919 DOI: 10.3390/ijms25052497] [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: 12/31/2023] [Revised: 02/13/2024] [Accepted: 02/19/2024] [Indexed: 03/14/2024] Open
Abstract
The field of nephrology has recently directed a considerable amount of attention towards the stimulator of interferon genes (STING) molecule since it appears to be a potent driver of chronic kidney disease (CKD). STING and its activator, the cyclic GMP-AMP synthase (cGAS), along with intracellular RIG-like receptors (RLRs) and toll-like receptors (TLRs), are potent inducers of type I interferon (IFN-I) expression. These cytokines have been long recognized as part of the mechanism used by the innate immune system to battle viral infections; however, their involvement in sterile inflammation remains unclear. Mounting evidence pointing to the involvement of the IFN-I pathway in sterile kidney inflammation provides potential insights into the complex interplay between the innate immune system and damage to the most sensitive segment of the nephron, the glomerulus. The STING pathway is often cited as one cause of renal disease not attributed to viral infections. Instead, this pathway can recognize and signal in response to host-derived nucleic acids, which are also recognized by RLRs and TLRs. It is still unclear, however, whether the development of renal diseases depends on subsequent IFN-I induction or other processes involved. This review aims to explore the main endogenous inducers of IFN-I in glomerular cells, to discuss what effects autocrine and paracrine signaling have on IFN-I induction, and to identify the pathways that are implicated in the development of glomerular damage.
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Affiliation(s)
| | | | - Eunsil Hahm
- Department of Internal Medicine, Division of Nephrology, Rush University Medical Center, Chicago, IL 60612, USA; (A.P.J.-U.); (S.M.)
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Sato R, Aizawa T, Imaizumi T, Tsugawa K, Kawaguchi S, Seya K, Terui K, Tanaka H. Effect of sera from lupus patients on the glomerular endothelial fibrinolysis system. Pediatr Int 2022; 64:e15099. [PMID: 35522716 DOI: 10.1111/ped.15099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 11/23/2021] [Accepted: 12/14/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND Dysregulation of the coagulation fibrinolysis system in resident glomerular cells is associated with the pathogenesis of lupus nephritis. However, the role of plasminogen activator inhibitor-1 (PAI-1) and tissue plasminogen activator (tPA) in resident glomerular cells remains undetermined. METHODS We examined the expression of PAI-1 and tPA mRNA in cultured normal human glomerular endothelial cells (GECs) treated with serum from patients with systemic lupus erythematosus (SLE) using quantitative reverse transcription polymerase chain reactions. We determined the relationship between PAI-1/tPA mRNA expression and several clinical/laboratory parameters. Serum from 16 patients (nine patients with new-onset SLE and seven patients with stable SLE) was used in the study. RESULTS Plasminogen activator inhibitor-1 and tPA mRNA expression was significantly higher in GECs treated with serum of patients with new-onset SLE than other groups. The PAI-1 and tPA mRNA levels were also significantly correlated in GECs treated with serum from patients with SLE. Interestingly, both PAI-1 and tPA mRNA levels in GECs were inversely correlated with serum C4 level and positively correlated with SLE disease activity. CONCLUSIONS These results suggest that serum from patients with SLE may activate the fibrinolysis system in glomerulus, which may be involved in the pathogenesis of lupus nephritis.
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Affiliation(s)
- Riko Sato
- Department of Pediatrics, Hirosaki University Graduate School of Medicine, Hirosaki, Japan.,Department of Vascular Biology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Tomomi Aizawa
- Department of Pediatrics, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Tadaatsu Imaizumi
- Department of Vascular Biology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Koji Tsugawa
- Department of Pediatrics, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Shogo Kawaguchi
- Department of Vascular Biology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Kazuhiko Seya
- Department of Vascular Biology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Kiminori Terui
- Department of Pediatrics, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Hiroshi Tanaka
- Department of Pediatrics, Hirosaki University Graduate School of Medicine, Hirosaki, Japan.,Department of School Health Science, Hirosaki University Faculty of Education, Hirosaki, Japan
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Hashimoto S, Imaizumi T, Watanabe S, Aizawa T, Tsugawa K, Kawaguchi S, Seya K, Matsumiya T, Tanaka H. Expression of IFN-induced transmembrane protein 1 in glomerular endothelial cells. Pediatr Int 2021; 63:1075-1081. [PMID: 33332692 DOI: 10.1111/ped.14579] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 11/29/2020] [Accepted: 12/08/2020] [Indexed: 12/19/2022]
Abstract
BACKGROUND Glomerular endothelial cells (GECs) are directly exposed to circulating viral particles in the glomerulus. Although viral infections may trigger the development of acute kidney injury or the worsening of pre-existing chronic kidney disease, the specific molecular mechanisms underlying antiviral reactions via the activation of endothelial Toll-like receptor 3 signaling in the kidney remain to be determined. Interferon (IFN)-induced transmembrane protein 1 (IFITM1), a member of interferon-stimulated gene protein family, is involved in the prevention of viral entry into cerebral vascular endothelial cells, respiratory epithelial cells, and endometrium. However, as far as we are aware, the implication of IFITM1 associated with viral infections in GECs has not been investigated to date. METHODS Cultured, normal human GECs were treated with polyinosinic-polycytidylic acid (poly IC), a synthesized viral double-stranded RNA, then the expression of IFITM1 was examined by quantitative real-time reverse transcription-polymerase chain reaction and western blotting. To further elucidate the poly IC-induced signaling pathway, the cells were applied to RNA interference against IFN-β, nuclear factor-κB p65, and IFN regulatory factor 3. We also conducted an immunofluorescence study to examine endothelial IFITM1 expression in biopsy specimens from patients with chronic kidney disease. RESULTS We found that the activation of Toll-like receptor 3 induced endothelial expression of IFITM1, and that this involved IFN regulatory factor 3 and IFN-β, but not nuclear factor-κB. Intense endothelial IFITM1 immunoreactivity was observed in biopsy specimens from patients with lupus nephritis. CONCLUSIONS Antiviral reaction-related endothelial expression of IFITM1 may be involved, at least in part, in the development of particularly in lupus nephritis. Further detailed studies of the implication of interferon stimulated genes, including IFITM1 in GECs are needed.
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Affiliation(s)
- Shun Hashimoto
- Department of Pediatrics, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Tadaatsu Imaizumi
- Department of Vascular Biology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Shojiro Watanabe
- Department of Pediatrics, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Tomomi Aizawa
- Department of Pediatrics, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Koji Tsugawa
- Department of Pediatrics, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Shogo Kawaguchi
- Department of Vascular Biology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Kazuhiko Seya
- Department of Vascular Biology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Tomoh Matsumiya
- Department of Vascular Biology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Hiroshi Tanaka
- Department of Pediatrics, Hirosaki University Graduate School of Medicine, Hirosaki, Japan.,Department of School Health Science, Hirosaki University Faculty of Education, Hirosaki, Japan
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4
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Sato R, Imaizumi T, Aizawa T, Watanabe S, Tsugawa K, Kawaguchi S, Seya K, Matsumiya T, Tanaka H. Inhibitory effect of anti-malarial agents on the expression of proinflammatory chemokines via Toll-like receptor 3 signaling in human glomerular endothelial cells. Ren Fail 2021; 43:643-650. [PMID: 33820486 PMCID: PMC8032345 DOI: 10.1080/0886022x.2021.1908901] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Objective Although anti-malarial agents, chloroquine (CQ) and hydroxychloroquine (HCQ) are currently used for the treatment of systemic lupus erythematosus, their efficacy for lupus nephritis (LN) remains unclear. Given that upregulation of glomerular Toll-like receptor 3 (TLR3) signaling plays a pivotal role in the pathogenesis of LN, we examined whether CQ and HCQ affect the expression of the TLR3 signaling-induced representative proinflammatory chemokines, monocyte chemoattractant protein-1 (MCP-1), and C–C motif chemokine ligand 5 (CCL5) in cultured human glomerular endothelial cells (GECs). Methods We examined the effect of polyinosinic-polycytidylic acid (poly IC), an agonist of TLR3, on MCP-1, CCL5 and interferon (IFN)-β expression in GECs. We then analyzed whether pretreatment with CQ, HCQ, or dexamethasone (DEX) inhibits poly IC-induced expression of these chemokines using real-time quantitative reverse transcriptase PCR and ELISA. Phosphorylation of signal transducers and activator of transcription protein 1 (STAT1) was examined using western blotting. Results Poly IC increased MCP-1 and CCL5 expression in a time- and concentration-dependent manner in GECs. Pretreating cells with CQ, but not DEX, attenuated poly IC-induced MCP-1 and CCL5 expression; however, HCQ pretreatment attenuated poly IC-induced CCL5, but not MCP-1. HCQ did not affect the expression of IFN-β and phosphorylation of STAT-1. Conclusion Considering that TLR3 signaling is implicated, at least in part, in LN pathogenesis, our results suggest that anti-malarial agents exert a protective effect against the development of inflammation in GECs, as postulated in LN. Interestingly, CQ is a rather powerful inhibitor compared with HCQ on TLR3 signaling-induced chemokine expression in GECs. In turn, these findings may further support the theory that the use of HCQ is safer than CQ in a clinical setting. However, further detailed studies are needed to confirm our preliminary findings.
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Affiliation(s)
- Riko Sato
- Department of Pediatrics, Hirosaki University Hospital, Hirosaki, Japan
| | - Tadaatsu Imaizumi
- Department of Vascular Biology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Tomomi Aizawa
- Department of Pediatrics, Hirosaki University Hospital, Hirosaki, Japan
| | - Shojiro Watanabe
- Department of Pediatrics, Hirosaki University Hospital, Hirosaki, Japan
| | - Koji Tsugawa
- Department of Pediatrics, Hirosaki University Hospital, Hirosaki, Japan
| | - Shogo Kawaguchi
- Department of Vascular Biology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Kazuhiko Seya
- Department of Vascular Biology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Tomoh Matsumiya
- Department of Vascular Biology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Hiroshi Tanaka
- Department of Pediatrics, Hirosaki University Hospital, Hirosaki, Japan.,Faculty of Education, Department of School Health Science, Hirosaki University, Hirosaki, Japan
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Tsai SC, Lu CC, Bau DT, Chiu YJ, Yen YT, Hsu YM, Fu CW, Kuo SC, Lo YS, Chiu HY, Juan YN, Tsai FJ, Yang JS. Approaches towards fighting the COVID‑19 pandemic (Review). Int J Mol Med 2021; 47:3-22. [PMID: 33236131 PMCID: PMC7723515 DOI: 10.3892/ijmm.2020.4794] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 11/04/2020] [Indexed: 11/05/2022] Open
Abstract
The coronavirus disease 2019 (COVID‑19) outbreak, which has caused >46 millions confirmed infections and >1.2 million coronavirus related deaths, is one of the most devastating worldwide crises in recent years. Infection with COVID‑19 results in a fever, dry cough, general fatigue, respiratory symptoms, diarrhoea and a sore throat, similar to those of acute respiratory distress syndrome. The causative agent of COVID‑19, SARS‑CoV‑2, is a novel coronavirus strain. To date, remdesivir has been granted emergency use authorization for use in the management of infection. Additionally, several efficient diagnostic tools are being actively developed, and novel drugs and vaccines are being evaluated for their efficacy as therapeutic agents against COVID‑19, or in the prevention of infection. The present review highlights the prevalent clinical manifestations of COVID‑19, characterizes the SARS‑CoV‑2 viral genome sequence and life cycle, highlights the optimal methods for preventing viral transmission, and discusses possible molecular pharmacological mechanisms and approaches in the development of anti‑SARS‑CoV‑2 therapeutic agents. In addition, the use of traditional Chinese medicines for management of COVID‑19 is discussed. It is expected that novel anti‑viral agents, vaccines or an effective combination therapy for treatment/management of SARS‑CoV‑2 infection and spread therapy will be developed and implemented in 2021, and we would like to extend our best regards to the frontline health workers across the world in their fight against COVID‑19.
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Affiliation(s)
- Shih-Chang Tsai
- Department of Biological Science and Technology, China Medical University
| | - Chi-Cheng Lu
- Department of Sport Performance, National Taiwan University of Sport
| | - Da-Tian Bau
- Graduate Institute of Biomedical Sciences, China Medical University
- Terry Fox Cancer Research Laboratory, Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 40402
- Department of Bioinformatics and Medical Engineering, Asia University, Taichung 41354
| | - Yu-Jen Chiu
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Taipei Veteran General Hospital
- Department of Surgery, School of Medicine, National Yang Ming University, Taipei 11217
| | - Yu-Ting Yen
- Drug Development Center, Institute of New Drug Development, China Medical University, Taichung 40402
| | - Yuan-Man Hsu
- Department of Biological Science and Technology, China Medical University
| | - Chih-Wei Fu
- Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, Hsinchu 310401
| | - Sheng-Chu Kuo
- School of Pharmacy, China Medical University, Taichung 40402
| | - Yu-Shiang Lo
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 40447
| | - Hong-Yi Chiu
- Department of Pharmacy, Buddhist Tzu Chi General Hospital, Hualien 97002
- Master and PhD Program in Pharmacology and Toxicology, School of Medicine, Tzu Chi University, Hualien 97004
- General Education Center, Tzu Chi University of Science and Technology, Hualien 97005
| | - Yu-Ning Juan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 40447
| | - Fuu-Jen Tsai
- School of Chinese Medicine, College of Chinese Medicine, China Medical University
- China Medical University Children's Hospital, China Medical University, Taichung 40402, Taiwan, R.O.C
| | - Jai-Sing Yang
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 40447
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Colafrancesco S, Scrivo R, Barbati C, Conti F, Priori R. Targeting the Immune System for Pulmonary Inflammation and Cardiovascular Complications in COVID-19 Patients. Front Immunol 2020; 11:1439. [PMID: 32655577 PMCID: PMC7324709 DOI: 10.3389/fimmu.2020.01439] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Accepted: 06/03/2020] [Indexed: 12/21/2022] Open
Abstract
In December 2019, following a cluster of pneumonia cases in China caused by a novel coronavirus (CoV), named severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the infection disseminated worldwide and, on March 11th, 2020, the World Health Organization officially declared the pandemic of the relevant disease named coronavirus disease 2019 (COVID-19). In Europe, Italy was the first country facing a true health policy emergency, and, as at 6.00 p.m. on May 2nd, 2020, there have been more than 209,300 confirmed cases of COVID-19. Due to the increasing number of patients experiencing a severe outcome, global scientific efforts are ongoing to find the most appropriate treatment. The usefulness of specific anti-rheumatic drugs came out as a promising treatment option together with antiviral drugs, anticoagulants, and symptomatic and respiratory support. For this reason, we feel a duty to share our experience and our knowledge on the use of these drugs in the immune-rheumatologic field, providing in this review the rationale for their use in the COVID-19 pandemic.
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Affiliation(s)
| | | | | | - Fabrizio Conti
- Rheumatology Unit, Department of Clinical, Internal, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, Rome, Italy
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Hirono K, Imaizumi T, Aizawa T, Watanabe S, Tsugawa K, Shiratori T, Kawaguchi S, Seya K, Matsumiya T, Ito E, Tanaka H. Endothelial expression of fractalkine (CX3CL1) is induced by Toll-like receptor 3 signaling in cultured human glomerular endothelial cells. Mod Rheumatol 2019; 30:1074-1081. [PMID: 31625434 DOI: 10.1080/14397595.2019.1682768] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Background: Endothelial expression of membrane-bound fractalkine/CX3CL1 (Fkn) reportedly acts as a strong mediator of inflammation. Toll-like receptor 3 (TLR3) axes are thought to play some roles in the development of chronic glomerulonephritis (CGN) including lupus nephritis (LN). However, detailed mechanism of TLR3-mediated Fkn expression in glomerular endothelial cells (GECs) remains to be elucidated.Methods: We examined the effect of polyinosinic-polycytidylic acid (poly IC) on Fkn expression in cultured human GECs. Fkn mRNA and protein levels were quantified by real-time PCR and enzyme-linked immunosorbent assay, respectively. To further elucidate the effects of poly IC on this signaling pathway, we used small-interfering RNA (siRNA) to knockdown expression of TLR3, nuclear factor (NF)-κB p65, interferon (IFN)-β, and IFN regulatory factor 3 (IRF3). We then analyzed whether pretreatment of chloroquine or dexamethasone (DEX) inhibits poly IC-induced Fkn expression.Results: We found that poly IC-induced Fkn expression in GECs, and that this involved NF-κB, IFN-β, and IRF3. Pretreating cells with chloroquine, but not DEX attenuated poly IC-induced Fkn expression in GECs.Conclusion: Since the activation of TLR3/NF-κB/IFN-β/Fkn and TLR3/IRF3/Fkn axes is involved in inflammatory reactions in GECs, intervention of glomerular TLR3 signaling may be a suitable therapeutic strategy for treating CGN especially LN.
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Affiliation(s)
- Koji Hirono
- Department of Pediatrics, Hirosaki University Hospital, Hirosaki, Japan
| | - Tadaatsu Imaizumi
- Department of Vascular Biology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Tomomi Aizawa
- Department of Pediatrics, Hirosaki University Hospital, Hirosaki, Japan
| | - Shojiro Watanabe
- Department of Pediatrics, Hirosaki University Hospital, Hirosaki, Japan
| | - Koji Tsugawa
- Department of Pediatrics, Hirosaki University Hospital, Hirosaki, Japan
| | | | - Shogo Kawaguchi
- Department of Vascular Biology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Kazuhiko Seya
- Department of Vascular Biology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Tomoh Matsumiya
- Department of Vascular Biology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Etsuro Ito
- Department of Pediatrics, Hirosaki University Hospital, Hirosaki, Japan
| | - Hiroshi Tanaka
- Department of Pediatrics, Hirosaki University Hospital, Hirosaki, Japan.,Department of School Health Science, Faculty of Education, Hirosaki University, Hirosaki, Japan
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