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Yoon J, Lee M, Ali AA, Oh YR, Choi YS, Kim S, Lee N, Jang SG, Park S, Chung JH, Kwok SK, Hyon JY, Cha S, Lee YJ, Im SG, Kim Y. Mitochondrial double-stranded RNAs as a pivotal mediator in the pathogenesis of Sjӧgren's syndrome. Mol Ther Nucleic Acids 2022; 30:257-269. [PMID: 36284513 PMCID: PMC9576540 DOI: 10.1016/j.omtn.2022.09.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 09/23/2022] [Indexed: 05/13/2023]
Abstract
Sjӧgren's syndrome (SS) is a systemic autoimmune disease that targets the exocrine glands, resulting in impaired saliva and tear secretion. To date, type I interferons (I-IFNs) are increasingly recognized as pivotal mediators in SS, but their endogenous drivers have not been elucidated. Here, we investigate the role of mitochondrial double-stranded RNAs (mt-dsRNAs) in regulating I-IFNs and other glandular phenotypes of SS. We find that mt-dsRNAs are elevated in the saliva and tears of SS patients (n = 73 for saliva and n = 16 for tears) and in salivary glands of non-obese diabetic mice with salivary dysfunction. Using the in-house-developed 3D culture of immortalized human salivary gland cells, we show that stimulation by exogenous dsRNAs increase mt-dsRNAs, activate the innate immune system, trigger I-IFNs, and promote glandular phenotypes. These responses are mediated via the Janus kinase 1 (JAK1)/signal transducer and activator of transcription (STAT) pathway. Indeed, a small chemical inhibitor of JAK1 attenuates mtRNA elevation and immune activation. We further show that muscarinic receptor ligand acetylcholine ameliorates autoimmune characteristics by preventing mt-dsRNA-mediated immune activation. Last, direct suppression of mt-dsRNAs reverses the glandular phenotypes of SS. Altogether, our study underscores the significance of mt-dsRNA upregulation in the pathogenesis of SS and suggests mt-dsRNAs as propagators of a pseudo-viral signal in the SS target tissue.
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Affiliation(s)
- Jimin Yoon
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Minseok Lee
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Ahsan Ausaf Ali
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Ye Rim Oh
- Medical Science Research Institute, Seoul National University Bundang Hospital, Seongnam 13620, Republic of Korea
| | - Yong Seok Choi
- Medical Science Research Institute, Seoul National University Bundang Hospital, Seongnam 13620, Republic of Korea
| | - Sujin Kim
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Namseok Lee
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Se Gwang Jang
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Seonghyeon Park
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Jin-Haeng Chung
- Department of Pathology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea
| | - Seung-Ki Kwok
- Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Joon Young Hyon
- Department of Ophthalmology, Seoul National University Bundang Hospital, Seongnam 13620, Republic of Korea
| | - Seunghee Cha
- Department of Oral and Maxillofacial Diagnostic Sciences, University of Florida College of Dentistry, Gainesville, FL 32610, USA
- Corresponding author Seunghee Cha, Department of Oral and Maxillofacial Diagnostic Sciences, University of Florida College of Dentistry, Gainesville, FL 32610, USA.
| | - Yun Jong Lee
- Division of Rheumatology, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam 13620, Republic of Korea
- Department of Internal Medicine, Department of Internal Medicine, Seoul National University College of Medicine, Seoul 03080, Republic of Korea
- Corresponding author Yun Jong Lee: Division of Rheumatology, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam 13620, Republic of Korea.
| | - Sung Gap Im
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
- KAIST Institute for NanoCentury (KINC), KAIST, Daejeon 34141, Republic of Korea
- Corresponding author Sung Gap Im, Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea.
| | - Yoosik Kim
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
- KAIST Institute for Health Science and Technology (KIHST), KAIST, Daejeon 34141, Republic of Korea
- KAIST Institute for BioCentury (KIB), KAIST, Daejeon, 34141, Republic of Korea
- BioProcess Engineering Research Center and BioInformatics Research Center, KAIST, Daejeon, 34141, Republic of Korea
- Corresponding author Yoosik Kim, KAIST Institute for Health Science and Technology (KIHST), KAIST, Daejeon 34141, Republic of Korea.
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Lee J, Park Y, Jang SG, Hong SM, Song YS, Kim MJ, Baek S, Park SH, Kwok SK. Baricitinib Attenuates Autoimmune Phenotype and Podocyte Injury in a Murine Model of Systemic Lupus Erythematosus. Front Immunol 2021; 12:704526. [PMID: 34497607 PMCID: PMC8419414 DOI: 10.3389/fimmu.2021.704526] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Accepted: 08/04/2021] [Indexed: 11/29/2022] Open
Abstract
Objective Baricitinib, a selective inhibitor for janus kinase (JAK) 1 and JAK2, is approved for use in rheumatoid arthritis. Systemic lupus erythematosus (SLE) is recently regarded as a potential candidate targeted by JAK inhibitors because of the relationship between its pathogenesis and JAK/signal transducer and activator of transcription (STAT) pathway-mediated cytokines such as type I interferons. The objective of this study was to determine whether baricitinib could effectively ameliorate SLE using a murine model Methods To investigate effects of baricitinib on various autoimmune features, especially renal involvements in SLE, eight-week-old MRL/Mp-Faslpr (MRL/lpr) mice were used as a lupus-prone animal model and treated with baricitinib for eight weeks. Immortalized podocytes and primary podocytes and B cells isolated from C57BL/6 mice were used to determine the in vitro efficacy of baricitinib. Results Baricitinib remarkably suppressed lupus-like phenotypes of MRL/lpr mice, such as splenomegaly, lymphadenopathy, proteinuria, and systemic autoimmunity including circulating autoantibodies and pro-inflammatory cytokines. It also modulated immune cell populations and effectively ameliorated renal inflammation, leading to the recovery of the expression of structural proteins in podocytes. According to in vitro experiments, baricitinib treatment could mitigate B cell differentiation and restore disrupted cytoskeletal structures of podocytes under inflammatory stimulation by blocking the JAK/STAT pathway. Conclusions The present study demonstrated that baricitinib could effectively attenuate autoimmune features including renal inflammation of lupus-prone mice by suppressing aberrant B cell activation and podocyte abnormalities. Thus, baricitinib as a selective JAK inhibitor could be a promising therapeutic candidate in the treatment of SLE.
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Affiliation(s)
- Jaeseon Lee
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Youngjae Park
- Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Se Gwang Jang
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Seung-Min Hong
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Young-Seok Song
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, South Korea.,Department of Biomedicine & Health Sciences, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Min-Jun Kim
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, South Korea.,Department of Biomedicine & Health Sciences, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - SeungYe Baek
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Sung-Hwan Park
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, South Korea.,Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Seung-Ki Kwok
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, South Korea.,Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
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Park MJ, Baek JA, Choi JW, Jang SG, Kim DS, Park SH, Cho ML, Kwok SK. Programmed Death-Ligand 1 Expression Potentiates the Immune Modulatory Function Of Myeloid-Derived Suppressor Cells in Systemic Lupus Erythematosus. Front Immunol 2021; 12:606024. [PMID: 33986739 PMCID: PMC8110929 DOI: 10.3389/fimmu.2021.606024] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 03/29/2021] [Indexed: 01/08/2023] Open
Abstract
Multiple studies have explored the potential role of programmed death-ligand 1 (PD-L1) as a mediator of Myeloid-derived suppressor cells (MDSCs) effects in various cancers. However, the role PD-L1 expression in MDSCs on autoimmune disease is still largely unknown.This study was undertaken to whether MDSC expressing PD-L1 have more potent immunoregulatory activity and control autoimmunity more effectively in two murine models of lupus (MRL/lpr mice and Roquinsan/san mice). The populations of MDSC were increased in peripheral blood of lupus patients. The mRNA levels of immunosuppressive molecules were profoundly decreased in MDSCs from lupus patients and mice. Co-culture with splenocytes showed that PD-L1 expressing MDSCs from control mice expand both Treg cells and regulatory B cells more potently. Infusion of PD-L1 expressing MDSCs reduced autoantibody levels and degree of proteinuria and improved renal pathology of two animal models of lupus. Moreover, PD-L1 expressing MDSCs therapy can suppress double negative (CD4-CD8-CD3+) T cells, the major pathogenic immune cells and follicular helper T cells in MRL/lpr mice, and podocyte damage. Our results indicate PD-L1 expressing MDSCs have more potent immunoregualtory activity and ameliorate autoimmunity more profoundly. These findings suggest PD-L1 expressing MDSCs be a promising therapeutic strategy targeting systemic autoimmune diseases.
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Affiliation(s)
- Min-Jung Park
- The Rheumatism Research Center, The Catholic University of Korea, Seoul, South Korea
| | - Jin-Ah Baek
- The Rheumatism Research Center, The Catholic University of Korea, Seoul, South Korea
| | - Jeong Won Choi
- The Rheumatism Research Center, The Catholic University of Korea, Seoul, South Korea
| | - Se Gwang Jang
- The Rheumatism Research Center, The Catholic University of Korea, Seoul, South Korea
| | - Da-Som Kim
- The Rheumatism Research Center, The Catholic University of Korea, Seoul, South Korea
| | - Sung-Hwan Park
- The Rheumatism Research Center, The Catholic University of Korea, Seoul, South Korea.,Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Mi-La Cho
- The Rheumatism Research Center, The Catholic University of Korea, Seoul, South Korea
| | - Seung-Ki Kwok
- The Rheumatism Research Center, The Catholic University of Korea, Seoul, South Korea.,Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
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Lee J, Hong SM, Park N, Lee J, Jang SG, Cho ML, Kwok SK, Ju JH, Park SH. Red ginseng extracts as an adjunctive therapeutic for gout: preclinical and clinical evidence. FOOD AGR IMMUNOL 2020. [DOI: 10.1080/09540105.2020.1854189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Affiliation(s)
- Jennifer Lee
- Division of Rheumatology, Department of Internal Medicine, Seoul St Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Seung-Min Hong
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, Republic of Korea
| | - NaRae Park
- CiSTEM Laboratory, Convergent Research Consortium for Immunologic Disease, College of Medicine, Seoul St. Mary’s Hospital, The Catholic University of Korea, Seoul, Republic of Korea
| | - Jaeseon Lee
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, Republic of Korea
| | - Se Gwang Jang
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, Republic of Korea
| | - Mi-La Cho
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, Republic of Korea
| | - Seung-Ki Kwok
- Division of Rheumatology, Department of Internal Medicine, Seoul St Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, Republic of Korea
| | - Ji Hyeon Ju
- Division of Rheumatology, Department of Internal Medicine, Seoul St Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
- CiSTEM Laboratory, Convergent Research Consortium for Immunologic Disease, College of Medicine, Seoul St. Mary’s Hospital, The Catholic University of Korea, Seoul, Republic of Korea
| | - Sung-Hwan Park
- Division of Rheumatology, Department of Internal Medicine, Seoul St Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, Republic of Korea
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Hong SM, Lee J, Jang SG, Lee J, Cho ML, Kwok SK, Park SH. Type I Interferon Increases Inflammasomes Associated Pyroptosis in the Salivary Glands of Patients with Primary Sjögren's Syndrome. Immune Netw 2020; 20:e39. [PMID: 33163247 PMCID: PMC7609163 DOI: 10.4110/in.2020.20.e39] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 08/11/2020] [Accepted: 08/21/2020] [Indexed: 12/18/2022] Open
Abstract
Sjögren's syndrome (SS) is a chronic and systemic autoimmune disease characterized by lymphocytic infiltration in the exocrine glands. In SS, type I IFN has a pathogenic role, and recently, inflammasome activation has been observed in both immune and non-immune cells. However, the relationship between type I IFN and inflammasome-associated pyroptosis in SS has not been studied. We measured IL-18, caspase-1, and IFN-stimulated gene 15 (ISG15) in saliva and serum, and compared whether the expression levels of inflammasome and pyroptosis components, including absent in melanoma 2 (AIM2), NLR family pyrin domain containing 3 (NLRP3), apoptosis-associated speck-like protein (ASC), caspase-1, gasdermin D (GSDMD), and gasdermin E (GSDME), in minor salivary gland (MSG) are related to the expression levels of type I IFN signature genes. Expression of type I IFN signature genes was correlated with mRNA levels of caspase-1 and GSDMD in MSG. In confocal analysis, the expression of caspase-1 and GSDMD was higher in salivary gland epithelial cells (SGECs) from SS patients. In the type I IFN-treated human salivary gland epithelial cell line, the expression of caspase-1 and GSDMD was increased, and pyroptosis was accelerated in a caspase-dependent manner upon inflammasome activation. In conclusion, we demonstrate that type I IFN may contribute to inflammasome-associated pyroptosis of the SGECs of SS patients, suggesting another pathogenic role of type I IFN in SS in terms of target tissue -SGECs destruction.
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Affiliation(s)
- Seung-Min Hong
- Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Jaeseon Lee
- Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Se Gwang Jang
- Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Jennifer Lee
- Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Korea.,Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Mi-La Cho
- Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Seung-Ki Kwok
- Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Korea.,Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Sung-Hwan Park
- Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Korea.,Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
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Jang SG, Lee J, Hong SM, Kwok SK, Cho ML, Park SH. Metformin enhances the immunomodulatory potential of adipose-derived mesenchymal stem cells through STAT1 in an animal model of lupus. Rheumatology (Oxford) 2020; 59:1426-1438. [PMID: 31904843 DOI: 10.1093/rheumatology/kez631] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 11/21/2019] [Indexed: 12/17/2022] Open
Abstract
OBJECTIVES Mesenchymal stem cells (MSCs) are considered potential therapeutic agents for treating autoimmune disease because of their immunomodulatory capacities and anti-inflammatory effects. However, several studies have shown that there is no consistency in the effectiveness of the MSCs to treat autoimmune disease, including SLE. In this study, we investigated whether metformin could enhance the immunoregulatory function of MSCs, what mechanism is relevant, and whether metformin-treated MSCs could be effective in an animal lupus model. METHODS Adipose-derived (Ad)-MSCs were cultured for 72 h in the presence of metformin. Immunoregulatory factors expression was analysed by real-time PCR and ELISA. MRL/lpr mice weekly injected intravenously with 1 × 106 Ad-MSCs or metformin-treated Ad-MSCs for 8 weeks. 16-week-old mice were sacrificed and proteinuria, anti-dsDNA IgG antibody, glomerulonephritis, immune complex, cellular subset were analysed in each group. RESULTS Metformin enhanced the immunomodulatory functions of Ad-MSCs including IDO, IL-10 and TGF-β. Metformin upregulated the expression of p-AMPK, p-STAT1 and inhibited the expression of p-STAT3, p-mTOR in Ad-MSCs. STAT1 inhibition by siRNA strongly diminished IDO, IL-10, TGF-β in metformin-treated Ad-MSCs. As a result, metformin promoted the immunoregulatory effect of Ad-MSCs by enhancing STAT1 expression, which was dependent on the AMPK/mTOR pathway. Administration of metformin-treated Ad-MSCs resulted in significant disease activity improvement including inflammatory phenotype, glomerulonephritis, proteinuria and anti-dsDNA IgG antibody production in MRL/lpr mice. Moreover, metformin-treated Ad-MSCs inhibited CD4-CD8- T-cell expansion and Th17/Treg cell ratio. CONCLUSION Metformin optimized the immunoregulatory properties of Ad-MSCs and may be a novel therapeutic agent for the treatment of lupus.
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Affiliation(s)
- Se Gwang Jang
- The Rheumatism Research Center, Catholic Research Institute of Medical ScienceThe Catholic University of Korea, Seoul, Republic of Korea.,Department of Biomedicine & Health Sciences, The Catholic University of Korea, Seoul, Republic of Korea
| | - Jaeseon Lee
- The Rheumatism Research Center, Catholic Research Institute of Medical ScienceThe Catholic University of Korea, Seoul, Republic of Korea
| | - Seung-Min Hong
- The Rheumatism Research Center, Catholic Research Institute of Medical ScienceThe Catholic University of Korea, Seoul, Republic of Korea
| | - Seung-Ki Kwok
- The Rheumatism Research Center, Catholic Research Institute of Medical ScienceThe Catholic University of Korea, Seoul, Republic of Korea.,Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Mi-La Cho
- The Rheumatism Research Center, Catholic Research Institute of Medical ScienceThe Catholic University of Korea, Seoul, Republic of Korea
| | - Sung-Hwan Park
- The Rheumatism Research Center, Catholic Research Institute of Medical ScienceThe Catholic University of Korea, Seoul, Republic of Korea.,Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.,Department of Biomedicine & Health Sciences, The Catholic University of Korea, Seoul, Republic of Korea
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Hong S, Lee J, Jang SG, Lee J, Cho ML, Kwok SK, Park SH. Activation of AIM2 inflammasome in salivary gland epithelial cells of patients with primary Sjögren’s syndrome. The Journal of Immunology 2020. [DOI: 10.4049/jimmunol.204.supp.224.17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Abstract
Sjögren’s syndrome (SS) is a chronic and systemic autoimmune disease characterized by lymphocytic infiltration in the exocrine glands. Although an association between inflammasome activation in peripheral blood cells and disease activity of SS has been reported, little is known about inflammasome activation in exocrine glands and its underlying mechanisms. We investigated the levels of AIM2, ASC, caspase-1, IL-1β, and IL-18 in salivary gland tissues and saliva from SS patients. We found that AIM2, ASC, Caspase-1, and IL-18 were increased in the saliva from primary SS patients compared with healthy and sicca controls. Numbers of AIM2-ASC speck also were elevated in the salivary gland epithelial cells of SS patients. The expression of caspase-1 correlated with type I interferon (IFN) signature gene expressions in the minor salivary glands (MSG) of SS patients, and was increased by type I IFN stimulation in salivary gland epithelial cells (SGECs). The AIM2 inflammasome was activated in SGECs after stimulation by the AIM2 ligand, poly(dA:dT). In addition, type I IFN accelerated AIM2 inflammasome activation as determined by the increased expression of caspase-1 in SGECs. In conclusion, the AIM2 inflammasome activation is increased in the SGECs of SS patients, and therefore should be considered an important pathogenic mediator of SS disease.
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Affiliation(s)
- seungmin Hong
- 1The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea, South Korea
| | - Jaeseon Lee
- 1The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea, South Korea
| | - Se Gwang Jang
- 1The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea, South Korea
| | - Jennifer Lee
- 1The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea, South Korea
- 2Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea, South Korea
| | - Mi-La Cho
- 1The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea, South Korea
| | - Seung-Ki Kwok
- 1The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea, South Korea
- 2Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea, South Korea
| | - Sung-Hwan Park
- 1The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea, South Korea
- 2Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea, South Korea
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Jang SG, Lee J, Hong SM, Kwok SK, Cho ML, Park SH. Metformin enhances the immunomodulatory potential of adipose-derived mesenchymal stem cells through STAT1 in an animal model of lupus. The Journal of Immunology 2020. [DOI: 10.4049/jimmunol.204.supp.219.16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Abstract
Mesenchymal stem cells (MSCs) are considered potential therapeutic agents for treating autoimmune disease because of their immunomodulatory capacities and anti-inflammatory effects. However, several studies have shown that there is no consistency in the effectiveness of the MSCs to treat for autoimmune disease. In this study, we investigated whether metformin could enhance the immunoregulatory function of MSCs, what mechanism is relevant, and whether metformin-treated MSCs could be effective in an animal lupus model. To examine the effects of metformin, adipose-derived (Ad)-MSCs were cultured for 72 h in the presence of metformin. Immunoregulatory factors expression was analyzed by real-time PCR and ELISA. MRL/lpr mice weekly injected 1×106 metformin-treated Ad-MSCs for 8 weeks. Proteinuria, serum anti-dsDNA antibody, lupus nephritis, immune complex, cellular subset were analyzed in each group. Metformin enhanced the immunomodulatory functions of Ad-MSCs including IDO, IL-10, and TGF-β. Metformin upregulated the expression of p-AMPK, p-STAT1, and inhibited the expression of p-STAT3, p-mTOR in Ad-MSCs. STAT1 inhibition by siRNA strongly diminished IDO, IL-10, TGF-β in metformin-treated Ad-MSCs. As a result, metformin promoted the immunoregulatory effect of Ad-MSCs by enhancing STAT1 expression, which was dependent on the AMPK/mTOR pathway. Administration of metformin-treated Ad-MSCs resulted in significant disease activity improvement in MRL/lpr mice. Moreover, metformin-treated Ad-MSCs inhibited CD4−CD8− T cell expansion and Th17/Treg cell ratio. These finding suggest that metformin optimized the immunoregulatory properties of Ad-MSCs and may be a novel therapeutic agent for the treatment of lupus.
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Affiliation(s)
- Se Gwang Jang
- 1The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea, South Korea
| | - Jaeseon Lee
- 1The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea, South Korea
| | - Seung-Min Hong
- 1The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea, South Korea
| | - Seung-Ki Kwok
- 1The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea, South Korea
- 2Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea, South Korea
| | - Mi-La Cho
- 1The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea, South Korea
| | - Sung-Hwan Park
- 1The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea, South Korea
- 2Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea, South Korea
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Lee J, Lee J, Kwok S, Baek S, Jang SG, Hong S, Min J, Choi SS, Lee J, Cho M, Park S. JAK
‐1 Inhibition Suppresses Interferon‐Induced
BAFF
Production in Human Salivary Gland. Arthritis Rheumatol 2018; 70:2057-2066. [DOI: 10.1002/art.40589] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 06/12/2018] [Indexed: 12/22/2022]
Affiliation(s)
- Jaeseon Lee
- The Catholic University of Korea Seoul Republic of Korea
| | - Jennifer Lee
- The Catholic University of Korea Seoul St. Mary's Hospital Seoul Republic of Korea
| | - Seung‐Ki Kwok
- The Catholic University of Korea Seoul St. Mary's Hospital Seoul Republic of Korea
| | - SeungYe Baek
- The Catholic University of Korea Seoul Republic of Korea
| | - Se Gwang Jang
- The Catholic University of Korea Seoul Republic of Korea
| | - Seung‐Min Hong
- The Catholic University of Korea Seoul Republic of Korea
| | - Jae‐Woong Min
- Kangwon National University Chuncheon Republic of Korea
| | - Sun Shim Choi
- Kangwon National University Chuncheon Republic of Korea
| | - Juhyun Lee
- The Catholic University of Korea Seoul Republic of Korea
| | - Mi‐La Cho
- The Catholic University of Korea Seoul Republic of Korea
| | - Sung‐Hwan Park
- The Catholic University of Korea Seoul St. Mary's Hospital Seoul Republic of Korea
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Jung SM, Lee J, Baek SY, Lee J, Jang SG, Hong SM, Park JS, Cho ML, Park SH, Kwok SK. Ethyl pyruvate ameliorates inflammatory arthritis in mice. Int Immunopharmacol 2017; 52:333-341. [PMID: 28987932 DOI: 10.1016/j.intimp.2017.09.027] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2017] [Revised: 09/25/2017] [Accepted: 09/26/2017] [Indexed: 10/18/2022]
Abstract
OBJECTIVES Ethyl pyruvate (EP) is the ethyl ester of pyruvate and has antioxidative and anti-inflammatory effects. This study aimed to evaluate the therapeutic effect of EP in inflammatory arthritis and to identify the underlying mechanisms. METHODS Mice with collagen-induced arthritis (CIA) were treated with the vehicle control or EP at 20mg/kg, and clinical and histological analyses were performed on the animals. The differentiation of murine CD4+ T cells into T helper 17 (Th17) cells in the presence of EP was investigated in vitro. The effects of EP on osteoclastogenesis were determined by staining for tartrate-resistant acid phosphatase, and measuring the mRNA levels of osteoclastogenesis-related genes. The expression of high-mobility group box 1 (HMGB1) was evaluated after EP therapy using immunohistochemical staining and Western blotting. RESULTS EP significantly improved the clinical and histological features of arthritis in CIA mice. EP suppressed the differentiation of CD4+ T cells into Th17 cells, and inhibited the expression of RORγt. The generation of osteoclasts and osteoclastogenic markers from murine and human monocytes was significantly reduced in the presence of EP. The expression of HMGB1 in the synovium was significantly lower in CIA mice treated with EP, compared to control CIA mice. During osteoclastogenesis, HMGB1 release from monocytes was inhibited in the presence of EP. CONCLUSIONS EP attenuated synovial inflammation and bone destruction in the experimental arthritis model through suppression of IL-17 and HMGB-1. The data suggests that EP could be a novel therapeutic agent for the treatment of inflammatory arthritis, such as rheumatoid arthritis.
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Affiliation(s)
- Seung Min Jung
- Division of Rheumatology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jaeseon Lee
- Rheumatism Research Center, Catholic Institutes of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Seung Ye Baek
- Rheumatism Research Center, Catholic Institutes of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Juhyun Lee
- Rheumatism Research Center, Catholic Institutes of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Se Gwang Jang
- Rheumatism Research Center, Catholic Institutes of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Seung-Min Hong
- Rheumatism Research Center, Catholic Institutes of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Jin-Sil Park
- Rheumatism Research Center, Catholic Institutes of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Mi-La Cho
- Rheumatism Research Center, Catholic Institutes of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Sung-Hwan Park
- Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea; Rheumatism Research Center, Catholic Institutes of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Seung-Ki Kwok
- Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea; Rheumatism Research Center, Catholic Institutes of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
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Cui R, Okada Y, Jang SG, Ku JL, Park JG, Kamatani Y, Hosono N, Tsunoda T, Kumar V, Tanikawa C, Kamatani N, Yamada R, Kubo M, Nakamura Y, Matsuda K. Common variant in 6q26-q27 is associated with distal colon cancer in an Asian population. Gut 2011; 60:799-805. [PMID: 21242260 PMCID: PMC3095478 DOI: 10.1136/gut.2010.215947] [Citation(s) in RCA: 128] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
BACKGROUND AND AIM Colorectal cancer (CRC) is a multifactorial disease with both environmental and genetic factors contributing to its development. The incidence of CRC is increasing year by year in Japan. Patients with CRC in advanced stages have a poor prognosis, but detection of CRC at earlier stages can improve clinical outcome. Therefore, identification of epidemiologial factors that influence development of CRC would facilitate the prevention or early detection of disease. METHODS To identify loci associated with CRC risk, we performed a genome-wide association study (GWAS) for CRC and sub-analyses by tumour location using 1583 Japanese CRC cases and 1898 controls. Subsequently, we conducted replication analyses using a total of 4809 CRC cases and 2973 controls including 225 Korean subjects with distal colon cancer and 377 controls. RESULTS We identified a novel locus on 6q26-q27 region (rs7758229 in SLC22A3, p = 7.92 × 10⁻⁹, OR of 1.28) that was significantly associated with distal colon cancer. We also replicated the association between CRC and SNPs on 8q24 (rs6983267 and rs7837328, p = 1.51 × 10⁻⁸ and 7.44 × 10⁻⁸, ORs of 1.18 and 1.17, respectively). Moreover, we found cumulative effects of three genetic factors (rs7758229, rs6983267, and rs4939827 in SMAD7) and one environmental factor (alcohol drinking) which appear to increase CRC risk approximately twofold. CONCLUSIONS We found a novel susceptible locus in SLC22A3 that contributes to the risk of distal colon cancer in an Asian population. These findings would further extend our understanding of the role of common genetic variants in the aetiology of CRC.
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Affiliation(s)
- R Cui
- Laboratory of Molecular Medicine, Human Genome Center, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Y Okada
- Laboratory of Functional Genomics, Human Genome Center, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - S G Jang
- Laboratory of Cell Biology, Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea
| | - J L Ku
- Laboratory of Cell Biology, Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea
| | - J G Park
- Laboratory of Cell Biology, Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea
| | - Y Kamatani
- Laboratory of Molecular Medicine, Human Genome Center, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - N Hosono
- Laboratory for Genotyping Development, Center for Genomic Medicine, The Institute of Physical and Chemical Research (RIKEN), Kanagawa, Japan
| | - T Tsunoda
- Laboratory for Medical Informatics, Center for Genomic Medicine, The Institute of Physical and Chemical Research (RIKEN), Kanagawa, Japan
| | - V Kumar
- Laboratory of Molecular Medicine, Human Genome Center, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - C Tanikawa
- Laboratory of Molecular Medicine, Human Genome Center, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - N Kamatani
- Laboratory for Statistical Analysis, Center for Genomic Medicine, The Institute of Physical and Chemical Research (RIKEN), Kanagawa, Japan
| | - R Yamada
- Laboratory of Functional Genomics, Human Genome Center, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - M Kubo
- Laboratory for Genotyping Development, Center for Genomic Medicine, The Institute of Physical and Chemical Research (RIKEN), Kanagawa, Japan
| | - Y Nakamura
- Laboratory of Molecular Medicine, Human Genome Center, Institute of Medical Science, The University of Tokyo, Tokyo, Japan,Laboratory for International Alliance, Center for Genomic Medicine, The Institute of Physical and Chemical Research (RIKEN), Kanagawa, Japan
| | - K Matsuda
- Laboratory of Molecular Medicine, Human Genome Center, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
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Kim IJ, Ku JL, Kang HC, Park JH, Yoon KA, Shin Y, Park HW, Jang SG, Lim SK, Han SY, Shin YK, Lee MR, Jeong SY, Shin HR, Lee JS, Kim WH, Park JG. Mutational analysis of OGG1, MYH, MTH1 in FAP, HNPCC and sporadic colorectal cancer patients: R154H OGG1 polymorphism is associated with sporadic colorectal cancer patients. Hum Genet 2004; 115:498-503. [PMID: 15449173 DOI: 10.1007/s00439-004-1186-7] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2004] [Accepted: 08/16/2004] [Indexed: 10/26/2022]
Abstract
MYH, OGG1 and MTH1 are members of base excision repair (BER) families, and MYH germline mutations were recently identified in patients with multiple adenomas or familial adenomatous polyposis (FAP). A total of 20 APC-negative Korean FAP patients were analyzed for OGG1, MYH and MTH1 germline mutations. A total of 19 hereditary nonpolyposis colorectal cancer (HNPCC), 86 suspected HNPCC, and 246 sporadic colorectal cancer cases were investigated for OGG1 and MYH mutations. A total of 14 R154H OGG1 polymorphisms were identified in hereditary, sporadic colorectal cancers, and normal controls. For the case-control analysis of OGG1 R154H, a total of 625 hereditary or sporadic colorectal cancer patients and 527 normal controls were screened. R154H was a rare polymorphism associated with sporadic colorectal cancer patents (OR: 3.586, P= 0.053). R154H does not segregate with cancer phenotypes. Upon examining the possibility of recessive inheritance of R154H, we could not identify any complementary mutations in OGG1, MYH or MTH1. Samples with R154H were further screened for mutations of K-ras, beta-catenin, APC, p53, BRAF and the microsatellite instability (MSI) status. Eight somatic mutations were identified in these genes and G:C to T:A transversion mutations were not dominant in samples harboring R154H. This result raises the possibility that OGG1 R154H may function as a low/moderate-penetrance modifier for colorectal cancer development.
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Affiliation(s)
- I-J Kim
- Korean Hereditary Tumor Registry, Cancer Research Institute and Cancer Research Center, Seoul National University, Seoul, Korea
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