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Xing J, Wang K, Xu YC, Pei ZJ, Yu QX, Liu XY, Dong YL, Li SF, Chen Y, Zhao YJ, Yao F, Ding J, Hu W, Zhou RP. Efferocytosis: Unveiling its potential in autoimmune disease and treatment strategies. Autoimmun Rev 2024; 23:103578. [PMID: 39004157 DOI: 10.1016/j.autrev.2024.103578] [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: 01/26/2024] [Revised: 07/06/2024] [Accepted: 07/07/2024] [Indexed: 07/16/2024]
Abstract
Efferocytosis is a crucial process whereby phagocytes engulf and eliminate apoptotic cells (ACs). This intricate process can be categorized into four steps: (1) ACs release "find me" signals to attract phagocytes, (2) phagocytosis is directed by "eat me" signals emitted by ACs, (3) phagocytes engulf and internalize ACs, and (4) degradation of ACs occurs. Maintaining immune homeostasis heavily relies on the efficient clearance of ACs, which eliminates self-antigens and facilitates the generation of anti-inflammatory and immunosuppressive signals that maintain immune tolerance. However, any disruptions occurring at any of the efferocytosis steps during apoptosis can lead to a diminished efficacy in removing apoptotic cells. Factors contributing to this inefficiency encompass dysregulation in the release and recognition of "find me" or "eat me" signals, defects in phagocyte surface receptors, bridging molecules, and other signaling pathways. The inadequate clearance of ACs can result in their rupture and subsequent release of self-antigens, thereby promoting immune responses and precipitating the onset of autoimmune diseases such as systemic lupus erythematosus, rheumatoid arthritis, type 1 diabetes, and multiple sclerosis. A comprehensive understanding of the efferocytosis process and its implications can provide valuable insights for developing novel therapeutic strategies that target this process to prevent or treat autoimmune diseases.
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Affiliation(s)
- Jing Xing
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; School of pharmacy, Anhui Medical University, Hefei 230032, China
| | - Ke Wang
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
| | - Yu-Cai Xu
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; School of pharmacy, Anhui Medical University, Hefei 230032, China
| | - Ze-Jun Pei
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; School of pharmacy, Anhui Medical University, Hefei 230032, China
| | - Qiu-Xia Yu
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; School of pharmacy, Anhui Medical University, Hefei 230032, China
| | - Xing-Yu Liu
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; School of pharmacy, Anhui Medical University, Hefei 230032, China
| | - Ya-Lu Dong
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; School of pharmacy, Anhui Medical University, Hefei 230032, China
| | - Shu-Fang Li
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
| | - Yong Chen
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
| | - Ying-Jie Zhao
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
| | - Feng Yao
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
| | - Jie Ding
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
| | - Wei Hu
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; The Key Laboratory of Anti-inflammatory and Immune Medicine, Anhui Medical University, Ministry of Education, Hefei 230032, China.
| | - Ren-Peng Zhou
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; The Key Laboratory of Anti-inflammatory and Immune Medicine, Anhui Medical University, Ministry of Education, Hefei 230032, China.
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Suraweera CD, Espinoza B, Hinds MG, Kvansakul M. Mastering Death: The Roles of Viral Bcl-2 in dsDNA Viruses. Viruses 2024; 16:879. [PMID: 38932171 PMCID: PMC11209288 DOI: 10.3390/v16060879] [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: 05/07/2024] [Revised: 05/25/2024] [Accepted: 05/27/2024] [Indexed: 06/28/2024] Open
Abstract
Proteins of the Bcl-2 family regulate cellular fate via multiple mechanisms including apoptosis, autophagy, senescence, metabolism, inflammation, redox homeostasis, and calcium flux. There are several regulated cell death (RCD) pathways, including apoptosis and autophagy, that use distinct molecular mechanisms to elicit the death response. However, the same proteins/genes may be deployed in multiple biochemical pathways. In apoptosis, Bcl-2 proteins control the integrity of the mitochondrial outer membrane (MOM) by regulating the formation of pores in the MOM and apoptotic cell death. A number of prosurvival genes populate the genomes of viruses including those of the pro-survival Bcl-2 family. Viral Bcl-2 proteins are sequence and structural homologs of their cellular counterparts and interact with cellular proteins in apoptotic and autophagic pathways, potentially allowing them to modulate these pathways and determine cellular fate.
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Affiliation(s)
- Chathura D. Suraweera
- Genome Sciences and Cancer Division, The John Curtin School of Medical Research, Australian National University, Canberra 2601, Australia;
| | - Benjamin Espinoza
- Department of Biochemistry and Chemistry, La Trobe University, Melbourne, VIC 3086, Australia;
| | - Mark G. Hinds
- Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, VIC 3052, Australia
| | - Marc Kvansakul
- Genome Sciences and Cancer Division, The John Curtin School of Medical Research, Australian National University, Canberra 2601, Australia;
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Malik S, Chakraborty D, Agnihotri P, Sharma A, Biswas S. Mitochondrial functioning in Rheumatoid arthritis modulated by estrogen: Evidence-based insight into the sex-based influence on mitochondria and disease. Mitochondrion 2024; 76:101854. [PMID: 38403096 DOI: 10.1016/j.mito.2024.101854] [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: 04/27/2023] [Revised: 02/12/2024] [Accepted: 02/22/2024] [Indexed: 02/27/2024]
Abstract
Alteration of immune response and synovium microvasculature in Rheumatoid arthritis (RA) progression has been suggested to be associated with mitochondrial functioning. Mitochondria, with maternally inherited DNA, exhibit differential response to the female hormone estrogen. Various epidemiological evidence has also shown the prominence of RA in the female population, depicting the role of estrogen in modulating the pathogenesis of RA. As estrogen regulates the expression of differential proteins and associated signaling pathways of RA, its influence on mitochondrial functioning seems evident. Thus, in this review, the studies related to mitochondria and their relation with estrogen and Rheumatoid arthritis were retrieved. We analyzed the different mitochondrial activities that are altered in RA and the possibility of their estrogenic control. The study expands to in silico analysis, revealing the differential mitochondrial proteins expressed in RA and examining these proteins as potential estrogenic targets. It was found that ALDH2, CASP3, and SOD2 are the major mitochondrial proteins involved in RA progression and are also potent estradiol targets. The analysis establishes the role of mitochondrial proteins in RA progression, which were found to be direct or indirect targets of estrogen, depicting its potential for regulating mitochondrial functions in RA.
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Affiliation(s)
- Swati Malik
- Department of Integrative and Functional Biology, CSIR - Institute of Genomics and Integrative Biology, Mall Road, Delhi 110007, India; AcSIR - Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh 201002, India
| | - Debolina Chakraborty
- Department of Integrative and Functional Biology, CSIR - Institute of Genomics and Integrative Biology, Mall Road, Delhi 110007, India; AcSIR - Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh 201002, India
| | - Prachi Agnihotri
- Department of Integrative and Functional Biology, CSIR - Institute of Genomics and Integrative Biology, Mall Road, Delhi 110007, India; AcSIR - Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh 201002, India
| | - Alankrita Sharma
- Department of Integrative and Functional Biology, CSIR - Institute of Genomics and Integrative Biology, Mall Road, Delhi 110007, India
| | - Sagarika Biswas
- Department of Integrative and Functional Biology, CSIR - Institute of Genomics and Integrative Biology, Mall Road, Delhi 110007, India; AcSIR - Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh 201002, India.
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Rufino AT, Freitas M, Proença C, Ferreira de Oliveira JMP, Fernandes E, Ribeiro D. Rheumatoid arthritis molecular targets and their importance to flavonoid-based therapy. Med Res Rev 2024; 44:497-538. [PMID: 37602483 DOI: 10.1002/med.21990] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/18/2023] [Accepted: 08/05/2023] [Indexed: 08/22/2023]
Abstract
Rheumatoid arthritis (RA) is a progressive, chronic, autoimmune, inflammatory, and systemic condition that primarily affects the synovial joints and adjacent tissues, including bone, muscle, and tendons. The World Health Organization recognizes RA as one of the most prevalent chronic inflammatory diseases. In the last decade, there was an expansion on the available RA therapeutic options which aimed to improve patient's quality of life. Despite the extensive research and the emergence of new therapeutic approaches and drugs, there are still significant unwanted side effects associated to these drugs and still a vast number of patients that do not respond positively to the existing therapeutic strategies. Over the years, several references to the use of flavonoids in the quest for new treatments for RA have emerged. This review aimed to summarize the existing literature about the flavonoids' effects on the major pathogenic/molecular targets of RA and their potential use as lead compounds for the development of new effective molecules for RA treatment. It is demonstrated that flavonoids can modulate various players in synovial inflammation, regulate immune cell function, decrease synoviocytes proliferation and balance the apoptotic process, decrease angiogenesis, and stop/prevent bone and cartilage degradation, which are all dominant features of RA. Although further investigation is necessary to determine the effectiveness of flavonoids in humans, the available data from in vitro and in vivo models suggest their potential as new disease-modifying anti-rheumatic drugs. This review highlights the use of flavonoids as a promising avenue for future research in the treatment of RA.
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Affiliation(s)
- Ana T Rufino
- LAQV, REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Marisa Freitas
- LAQV, REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Carina Proença
- LAQV, REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - José M P Ferreira de Oliveira
- LAQV, REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Eduarda Fernandes
- LAQV, REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Daniela Ribeiro
- LAQV, REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
- Faculty of Agrarian Sciences and Environment, University of the Azores, Açores, Portugal
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Aboul Naser AF, Ahmed YR, Mohammed MA, Aboelmagd M, Aboutabl ME, Hassan EE, Khalil WKB, Hamed MA. Inflammatory mediators, oxidative stress and genetic disturbance in rheumatoid arthritis rats supported by alfalfa seeds metabolomic constituents via blocking interleukin-1receptor. Chem Biodivers 2024; 21:e202301653. [PMID: 38158718 DOI: 10.1002/cbdv.202301653] [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: 10/19/2023] [Revised: 12/27/2023] [Accepted: 12/29/2023] [Indexed: 01/03/2024]
Abstract
Rheumatoid arthritis (RA) is an autoimmune disease characterized by aggressive cartilage and bone erosion. This work aimed to evaluate the metabolomic profile of Medicago sativa L. (MS) (alfalfa) seeds and explore its therapeutic impact against RA in rats. Arthritis was induced by complete Freund's adjuvant (CFA) and its severity was assessed by the arthritis index. Treatment with MS seeds butanol fraction and interlukin-1 receptor antagonist (IL-1RA) were evaluated through measuring interlukin-1 receptor (IL-1R) type 1 gene expression, interlukin-1 beta (IL-1β), oxidative stress markers, C-reactive protein (CRP), tumor necrosis factor-alpha (TNF-α), prostaglandin E2 (PGE2), caspase-3 (Cas-3), intracellular adhesion molecule-1 (ICAM-1), DNA fragmentation, and chromosomal damage. Total phenolics/ flavonoids content in the ethyl acetate, butanol fraction and crude extract of MS seeds were estimated. The major identified compounds were Quercetin, Trans-taxifolin, Gallic acid, 7,4'-Dihydroxyflavone, Cinnamic acid, Kudzusaponin SA4, Isorhamnetin 3-O-beta-D-2'',3'',4''-triacetylglucopyranoside, Apigenin, 5,7,4'-Trihydroxy-3'-methoxyflavone, Desmethylxanthohumol, Pantothenic acid, Soyasapogenol E, Malvidin, Helilandin B, Stigmasterol, and Wairol. Treatment with MS seeds butanol fraction and IL-1RA enhanced all the biochemical parameters and the histopathological features of the ankle joint. In conclusion, Trans-taxifolin was isolated for the first time from the genus Medicago. MS butanol fraction seeds extract and IL-1 RA were considered as anti-rheumatic agents.
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Affiliation(s)
- Asmaa F Aboul Naser
- Department of Therapeutic Chemistry, National Research Centre, Dokki, Giza, Egypt
| | - Yomna R Ahmed
- Department of Therapeutic Chemistry, National Research Centre, Dokki, Giza, Egypt
| | - Mona A Mohammed
- Medicinal and Aromatic Plants Research Department, National Research Centre, Dokki, Giza, Egypt
| | - Mohamed Aboelmagd
- Pharmacognosy Department, National Research Centre, Dokki, Giza, Egypt
| | - Mona E Aboutabl
- Medicinal and Pharmaceutical Chemistry Department (Pharmacology Group), National Research Centre, Dokki, Giza, Egypt
| | - Entesar E Hassan
- Department of Genetics and Cytology, National Research Centre, Dokki, Giza, Egypt
| | - Wagdy K B Khalil
- Department of Cell Biology, National Research Centre, Dokki, Giza, Egypt
| | - Manal A Hamed
- Department of Therapeutic Chemistry, National Research Centre, Dokki, Giza, Egypt
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Yan B, Li Z, Su H, Xue H, Qiu D, Xu Z, Tan G. Regulatory mechanisms of autophagy-related ncRNAs in bone metabolic diseases. Front Pharmacol 2023; 14:1178310. [PMID: 38146458 PMCID: PMC10749346 DOI: 10.3389/fphar.2023.1178310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 11/27/2023] [Indexed: 12/27/2023] Open
Abstract
Bone metabolic diseases have been tormented and are plaguing people worldwide due to the lack of effective and thorough medical interventions and the poor understanding of their pathogenesis. Non-coding RNAs (ncRNAs) are heterogeneous transcripts that cannot encode the proteins but can affect the expressions of other genes. Autophagy is a fundamental mechanism for keeping cell viability, recycling cellular contents through the lysosomal pathway, and maintaining the homeostasis of the intracellular environment. There is growing evidence that ncRNAs, autophagy, and crosstalk between ncRNAs and autophagy play complex roles in progression of metabolic bone disease. This review investigated the complex mechanisms by which ncRNAs, mainly micro RNAs (miRNAs), long noncoding RNAs (lncRNAs), and circular RNAs (circRNAs), regulate autophagic pathway to assist in treating bone metabolism disorders. It aimed at identifying the autophagy role in bone metabolism disorders and understanding the role, potential, and challenges of crosstalk between ncRNAs and autophagy for bone metabolism disorders treatment.
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Affiliation(s)
- Binghan Yan
- College of First Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Zhichao Li
- College of First Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Hui Su
- College of First Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Haipeng Xue
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Daodi Qiu
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Zhanwang Xu
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Guoqing Tan
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
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Schneider K, Arandjelovic S. Apoptotic cell clearance components in inflammatory arthritis. Immunol Rev 2023; 319:142-150. [PMID: 37507355 PMCID: PMC10615714 DOI: 10.1111/imr.13256] [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: 05/07/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023]
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory disease of the synovial joints that affects ~1% of the human population. Joint swelling and bone erosion, hallmarks of RA, contribute to disability and, sometimes, loss of life. Mechanistically, disease is driven by immune dysregulation characterized by circulating autoantibodies, inflammatory mediators, tissue degradative enzymes, and metabolic dysfunction of resident stromal and recruited immune cells. Cell death by apoptosis has been therapeutically explored in animal models of RA due to the comparisons drawn between synovial hyperplasia and paucity of apoptosis in RA with the malignant transformation of cancer cells. Several efforts to induce cell death have shown benefits in reducing the development and/or severity of the disease. Apoptotic cells are cleared by phagocytes in a process known as efferocytosis, which differs from microbial phagocytosis in its "immuno-silent," or anti-inflammatory, nature. Failures in efferocytosis have been linked to autoimmune disease, whereas administration of apoptotic cells in RA models effectively inhibits inflammatory indices, likely though efferocytosis-mediated resolution-promoting mechanisms. However, the nature of signaling pathways elicited and the molecular identity of clearance mediators in RA are understudied. Furthermore, canonical efferocytosis machinery elements also play important non-canonical functions in homeostasis and pathology. Here, we discuss the roles of efferocytosis machinery components in models of RA and discuss their potential involvement in disease pathophysiology.
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Affiliation(s)
- Kevin Schneider
- University of Virginia, Center for Immunity, Inflammation and Regenerative Medicine, Department of Medicine, Charlottesville, VA, USA
| | - Sanja Arandjelovic
- University of Virginia, Center for Immunity, Inflammation and Regenerative Medicine, Department of Medicine, Charlottesville, VA, USA
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Dai Y, Liu P, Wen W, Li P, Yang C, Wang P, Xu S. Sarsasapogenin, a principal active component absorbed into blood of total saponins of Anemarrhena, attenuates proliferation and invasion in rheumatoid arthritis fibroblast-like synoviocytes through downregulating PKM2 inhibited pathological glycolysis. Phytother Res 2023; 37:1951-1967. [PMID: 36631974 DOI: 10.1002/ptr.7712] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 12/12/2022] [Accepted: 12/12/2022] [Indexed: 01/13/2023]
Abstract
Increased glycolytic in fibroblast-like synoviocytes (FLS) of rheumatoid arthritis (RA) not only contributes to early-stage disease pathogenesis but leads to sustained proliferation of FLS. Given the importance of PKM2 in glycolysis and apoptosis, PKM2 is considered a potential therapeutic and drug discovery target in RA. Total saponins of anemarrhena (TSA), a class of steroid saponins, originated from Anemarrhena asphodeloides Bge. In this study, we verified that 200 mg/kg TSA could significantly alleviate inflammation and the pathological characteristics of RA and inhibit synovial hyperplasia in AA rats. We confirmed that sarsasapogenin (SA) was the principal active ingredient absorbed into the blood of TSA by the UPLC/Q Exactive MS test. Then we used TNF-α-induced MH7A to get the conclusion that 20 μM SA could effectively inhibit the glycolysis by inhibiting the activity of PKM2 tetramer and glucose uptake. Moreover, 20 μM SA could suppress proliferation, migration, invasion, and cytokine release of FLS, interfere with the growth cycle of FLS, and induce FLS apoptosis by depressing the phosphorylation of PKM2. At last, In-1, a potent inhibitor of the PKM2 was used to reverse verify the above results. Taken together, the key mechanisms of SA on RA treatment through downregulating the activity of PKM2 tetramer and phosphorylation of PKM2 inhibited pathological glycolysis and induced apoptosis to exert inhibition on the proliferation and invasion of RA FLS.
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Affiliation(s)
- Yuan Dai
- School of Health Preservation and Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Institute of Meterial Medica Integration and Transformation for Brain Disorders, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Panwang Liu
- Institute of Meterial Medica Integration and Transformation for Brain Disorders, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Wen Wen
- Institute of Meterial Medica Integration and Transformation for Brain Disorders, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Ping Li
- Institute of Meterial Medica Integration and Transformation for Brain Disorders, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Chen Yang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu, China
| | - Ping Wang
- Institute of Meterial Medica Integration and Transformation for Brain Disorders, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Shijun Xu
- Institute of Meterial Medica Integration and Transformation for Brain Disorders, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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Affiliation(s)
- Ellen M Gravallese
- From the Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, Boston (E.M.G.); and the Division of Rheumatology, Allergy, and Immunology, University of California at San Diego School of Medicine, La Jolla (G.S.F.)
| | - Gary S Firestein
- From the Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, Boston (E.M.G.); and the Division of Rheumatology, Allergy, and Immunology, University of California at San Diego School of Medicine, La Jolla (G.S.F.)
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Li Z, Li D, Su H, Xue H, Tan G, Xu Z. Autophagy: An important target for natural products in the treatment of bone metabolic diseases. Front Pharmacol 2022; 13:999017. [DOI: 10.3389/fphar.2022.999017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 11/08/2022] [Indexed: 11/19/2022] Open
Abstract
Bone homeostasis depends on a precise dynamic balance between bone resorption and bone formation, involving a series of complex and highly regulated steps. Any imbalance in this process can cause disturbances in bone metabolism and lead to the development of many associated bone diseases. Autophagy, one of the fundamental pathways for the degradation and recycling of proteins and organelles, is a fundamental process that regulates cellular and organismal homeostasis. Importantly, basic levels of autophagy are present in all types of bone-associated cells. Due to the cyclic nature of autophagy and the ongoing bone metabolism processes, autophagy is considered a new participant in bone maintenance. Novel therapeutic targets have emerged as a result of new mechanisms, and bone metabolism can be controlled by interfering with autophagy by focusing on certain regulatory molecules in autophagy. In parallel, several studies have reported that various natural products exhibit a good potential to mediate autophagy for the treatment of metabolic bone diseases. Therefore, we briefly described the process of autophagy, emphasizing its function in different cell types involved in bone development and metabolism (including bone marrow mesenchymal stem cells, osteoblasts, osteocytes, chondrocytes, and osteoclasts), and also summarized research advances in natural product-mediated autophagy for the treatment of metabolic bone disease caused by dysfunction of these cells (including osteoporosis, rheumatoid joints, osteoarthritis, fracture nonunion/delayed union). The objective of the study was to identify the function that autophagy serves in metabolic bone disease and the effects, potential, and challenges of natural products for the treatment of these diseases by targeting autophagy.
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Tajbakhsh A, Gheibihayat SM, Askari H, Savardashtaki A, Pirro M, Johnston TP, Sahebkar A. Statin-regulated phagocytosis and efferocytosis in physiological and pathological conditions. Pharmacol Ther 2022; 238:108282. [DOI: 10.1016/j.pharmthera.2022.108282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 09/10/2022] [Accepted: 09/13/2022] [Indexed: 10/14/2022]
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Manda G, Milanesi E, Genc S, Niculite CM, Neagoe IV, Tastan B, Dragnea EM, Cuadrado A. Pros and cons of NRF2 activation as adjunctive therapy in rheumatoid arthritis. Free Radic Biol Med 2022; 190:179-201. [PMID: 35964840 DOI: 10.1016/j.freeradbiomed.2022.08.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 08/02/2022] [Accepted: 08/08/2022] [Indexed: 10/15/2022]
Abstract
Rheumatoid arthritis (RA) is an autoimmune disease with an important inflammatory component accompanied by deregulated redox-dependent signaling pathways that are feeding back into inflammation. In this context, we bring into focus the transcription factor NRF2, a master redox regulator that exerts exquisite antioxidant and anti-inflammatory effects. The review does not intend to be exhaustive, but to point out arguments sustaining the rationale for applying an NRF2-directed co-treatment in RA as well as its potential limitations. The involvement of NRF2 in RA is emphasized through an analysis of publicly available transcriptomic data on NRF2 target genes and the findings from NRF2-knockout mice. The impact of NRF2 on concurrent pathologic mechanisms in RA is explained by its crosstalk with major redox-sensitive inflammatory and cell death-related pathways, in the context of the increased survival of pathologic cells in RA. The proposed adjunctive therapy targeted to NRF2 is further sustained by the existence of promising NRF2 activators that are in various stages of drug development. The interference of NRF2 with conventional anti-rheumatic therapies is discussed, including the cytoprotective effects of NRF2 for alleviating drug toxicity. From another perspective, the review presents how NRF2 activation would be decreasing the efficacy of synthetic anti-rheumatic drugs by increasing drug efflux. Future perspectives regarding pharmacologic NRF2 activation in RA are finally proposed.
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Affiliation(s)
- Gina Manda
- Radiobiology Laboratory, Victor Babes National Institute of Pathology, Bucharest, Romania
| | - Elena Milanesi
- Radiobiology Laboratory, Victor Babes National Institute of Pathology, Bucharest, Romania
| | - Sermin Genc
- Neurodegeneration and Neuroprotection Laboratory, Izmir Biomedicine and Genome Center, Izmir, Turkey; Izmir International Biomedicine and Genome Institute, Dokuz Eylul University, Izmir, Turkey; Department of Neuroscience, Health Science Institute, Dokuz Eylul University, Izmir, Turkey
| | - Cristina Mariana Niculite
- Radiobiology Laboratory, Victor Babes National Institute of Pathology, Bucharest, Romania; Department of Cellular and Molecular Biology and Histology, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Ionela Victoria Neagoe
- Radiobiology Laboratory, Victor Babes National Institute of Pathology, Bucharest, Romania
| | - Bora Tastan
- Neurodegeneration and Neuroprotection Laboratory, Izmir Biomedicine and Genome Center, Izmir, Turkey; Izmir International Biomedicine and Genome Institute, Dokuz Eylul University, Izmir, Turkey
| | - Elena Mihaela Dragnea
- Radiobiology Laboratory, Victor Babes National Institute of Pathology, Bucharest, Romania
| | - Antonio Cuadrado
- Department of Biochemistry, Medical College, Autonomous University of Madrid (UAM), Madrid, Spain; Instituto de Investigaciones Biomédicas "Alberto Sols" (CSIC-UAM), Madrid, Spain; Instituto de Investigación Sanitaria La Paz (IdiPaz), Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain.
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13
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Németh T, Nagy G, Pap T. Synovial fibroblasts as potential drug targets in rheumatoid arthritis, where do we stand and where shall we go? Ann Rheum Dis 2022; 81:annrheumdis-2021-222021. [PMID: 35715191 PMCID: PMC9279838 DOI: 10.1136/annrheumdis-2021-222021] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 05/22/2022] [Indexed: 12/14/2022]
Abstract
Fibroblast-like synoviocytes or synovial fibroblasts (FLS) are important cellular components of the inner layer of the joint capsule, referred to as the synovial membrane. They can be found in both layers of this synovial membrane and contribute to normal joint function by producing extracellular matrix components and lubricants. However, under inflammatory conditions like in rheumatoid arthritis (RA), they may start to proliferate, undergo phenotypical changes and become central elements in the perpetuation of inflammation through their direct and indirect destructive functions. Their importance in autoimmune joint disorders makes them attractive cellular targets, and as mesenchymal-derived cells, their inhibition may be carried out without immunosuppressive consequences. Here, we aim to give an overview of our current understanding of the target potential of these cells in RA.
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Affiliation(s)
- Tamás Németh
- Department of Physiology, Semmelweis University, Budapest, Hungary
- Department of Rheumatology and Clinical Immunology, Semmelweis University, Budapest, Hungary
- Department of Internal Medicine and Oncology, Semmelweis University, Budapest, Hungary
| | - György Nagy
- Department of Rheumatology and Clinical Immunology, Semmelweis University, Budapest, Hungary
- Department of Internal Medicine and Oncology, Semmelweis University, Budapest, Hungary
- Department of Genetics, Cell and Immunobiology, Semmelweis University, Budapest, Hungary
- Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Thomas Pap
- Institute of Musculoskeletal Medicine, Medical Faculty of the Westphalian Wilhelm University, Münster, Germany
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14
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Hamed MA, Aboul Naser AF, El-Feky AM, Elbatanony MM, Shaker SE, Fayed DB, Hassan EE, Ali SA, Khalil WK, Aboutabl ME. Phytoconstituents of Red Grape Seeds Extract as Inflammatory Modulator in Adjuvant Arthritic Rats: Role Of IL-1 and its Receptor Blocking. JOURNAL OF BIOLOGICALLY ACTIVE PRODUCTS FROM NATURE 2022. [DOI: 10.1080/22311866.2022.2081607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Manal A. Hamed
- Department of Therapeutic Chemistry, National Research Centre, Dokki, Giza, Egypt
| | - Asmaa F. Aboul Naser
- Department of Therapeutic Chemistry, National Research Centre, Dokki, Giza, Egypt
| | - Amal M. El-Feky
- Pharmacognosy Department, National Research Centre, Dokki, Giza, Egypt
| | | | - Sylvia E. Shaker
- Department of Therapeutic Chemistry, National Research Centre, Dokki, Giza, Egypt
| | - Dalia B. Fayed
- Department of Therapeutic Chemistry, National Research Centre, Dokki, Giza, Egypt
| | - Entesar E.S. Hassan
- Department of Genetics and Cytology, National Research Centre, Dokki, Giza, Egypt
| | - Sanaa A. Ali
- Department of Therapeutic Chemistry, National Research Centre, Dokki, Giza, Egypt
| | - Wagdy K.B. Khalil
- Department of Cell Biology, National Research Centre, Dokki, Giza, Egypt
| | - Mona E. Aboutabl
- Medicinal and Pharmaceutical Chemistry Department (Pharmacology Group), National Research Centre, Dokki, Giza, Egypt
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15
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Regulation of activated T cell survival in rheumatic autoimmune diseases. Nat Rev Rheumatol 2022; 18:232-244. [PMID: 35075294 DOI: 10.1038/s41584-021-00741-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/16/2021] [Indexed: 12/29/2022]
Abstract
Adaptive immune responses rely on the proliferation of T lymphocytes able to recognize and eliminate pathogens. The magnitude and duration of the expansion of activated T cell clones are finely regulated to minimize immunopathology and avoid autoimmunity. In patients with rheumatic autoimmune diseases, such as systemic lupus erythematosus and rheumatoid arthritis, activated lymphocytes survive and exert effector functions for prolonged periods, defying the mechanisms that normally curb their capacities during acute and chronic infections. Here, we review the molecular mechanisms that limit the duration of immune responses in health and discuss the factors that alter such regulation in the setting of systemic lupus erythematosus and rheumatoid arthritis. We highlight defects that could contribute to the development and progression of autoimmune disease and describe how chronic inflammation can alter the regulation of activated lymphocyte survival, promoting its perpetuation. These concepts might contribute to the understanding of the mechanisms that underlie the chronicity of inflammation in the context of autoimmunity.
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16
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Hamed MA, Aboul Naser AF, Aboutabl ME, Osman AF, Hassan EES, Aziz WM, Khalil WKB, Farghaly AA, El-Hagrassi AM. Bioactive compounds and therapeutic role of Brassica oleracea L. seeds in rheumatoid arthritis rats via regulating inflammatory signalling pathways and antagonizing interleukin-1 receptor action. Biomarkers 2021; 26:788-807. [PMID: 34704882 DOI: 10.1080/1354750x.2021.1999504] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 10/23/2021] [Indexed: 12/20/2022]
Abstract
CONTEXT Rheumatoid arthritis (RA) is a chronic, progressive autoimmune disease characterized by aggressive and systematic polyarthritis. OBJECTIVE The present study aimed to isolate and identify the phenolic constituents in Brassica oleracea L. (Brassicaceae) seeds methanolic extract and evaluates its effect against rheumatoid arthritis in rats referring to the new therapy; interleukin-1 receptor antagonist (IL-1RA). MATERIALS AND METHODS The GC/MS profiling of the plant was determined. Arthritis induction was done using complete Freund's adjuvant. Arthritis severity was assessed by percentage of edema and arthritis index. IL-1 receptor type I gene expression, interleukin-1β (IL-1β), oxidative stress markers, protein content, inflammatory mediators, prostaglandin-E2 (PGE2), genetic abnormalities and the histopathological features of ankle joint were evaluated. RESULTS For the first time twelve phenolic compounds had been isolated from the seeds extract. Treatment with extract and IL-1RA improved the tested parameters by variable degrees. CONCLUSIONS RA is an irreversible disease, where its severity increases with the time of induction. Brassica oleracea L. seeds extract is considered as a promising anti-arthritis agent. IL-1 RA may be considered as an unusual therapeutic agent for RA disease. More studies are needed to consider the seeds extract as a nutraceutical agent and to recommend IL-1RA as a new RA drug.
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MESH Headings
- Animals
- Arthritis, Experimental/chemically induced
- Arthritis, Experimental/metabolism
- Arthritis, Experimental/prevention & control
- Arthritis, Rheumatoid/genetics
- Arthritis, Rheumatoid/metabolism
- Arthritis, Rheumatoid/prevention & control
- Biomarkers/blood
- Brassica/chemistry
- Freund's Adjuvant
- Gene Expression Regulation/drug effects
- Humans
- Inflammation Mediators/metabolism
- Interleukin 1 Receptor Antagonist Protein/metabolism
- Interleukin-1beta/metabolism
- Male
- Molecular Structure
- Oxidative Stress/drug effects
- Phytochemicals/chemistry
- Phytochemicals/pharmacology
- Phytotherapy/methods
- Plant Extracts/chemistry
- Plant Extracts/pharmacology
- Rats, Wistar
- Receptors, Interleukin-1 Type I/antagonists & inhibitors
- Receptors, Interleukin-1 Type I/genetics
- Receptors, Interleukin-1 Type I/metabolism
- Seeds/chemistry
- Signal Transduction/drug effects
- Rats
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Affiliation(s)
- Manal A Hamed
- Department of Therapeutic Chemistry, National Research Centre (ID: 60014618), Dokki, Giza, Egypt
| | - Asmaa F Aboul Naser
- Department of Therapeutic Chemistry, National Research Centre (ID: 60014618), Dokki, Giza, Egypt
| | - Mona E Aboutabl
- Medicinal and Pharmaceutical Chemistry Department (Pharmacology Group), National Research Centre (ID: 60014618), Dokki, Giza, Egypt
| | - Abeer F Osman
- Chemistry of Natural Compounds Department, National Research Centre (ID: 60014618), Dokki, Giza, Egypt
| | - Entesar E S Hassan
- Department of Genetics and Cytology, National Research Centre (ID: 60014618), Dokki, Giza, Egypt
| | - Wessam M Aziz
- Department of Therapeutic Chemistry, National Research Centre (ID: 60014618), Dokki, Giza, Egypt
| | - Wagdy K B Khalil
- Department of Cell Biology, National Research Centre (ID: 60014618), Dokki, Giza, Egypt
| | - Ayman A Farghaly
- Department of Genetics and Cytology, National Research Centre (ID: 60014618), Dokki, Giza, Egypt
| | - Ali M El-Hagrassi
- Phytochemistry and Plant Systematics Department, National Research Centre (ID: 60014618), Dokki, Giza, Egypt
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17
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Mueller AL, Payandeh Z, Mohammadkhani N, Mubarak SMH, Zakeri A, Alagheband Bahrami A, Brockmueller A, Shakibaei M. Recent Advances in Understanding the Pathogenesis of Rheumatoid Arthritis: New Treatment Strategies. Cells 2021; 10:cells10113017. [PMID: 34831240 PMCID: PMC8616543 DOI: 10.3390/cells10113017] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 11/03/2021] [Accepted: 11/03/2021] [Indexed: 02/07/2023] Open
Abstract
Rheumatoid arthritis (RA) is considered a chronic systemic, multi-factorial, inflammatory, and progressive autoimmune disease affecting many people worldwide. While patients show very individual courses of disease, with RA focusing on the musculoskeletal system, joints are often severely affected, leading to local inflammation, cartilage destruction, and bone erosion. To prevent joint damage and physical disability as one of many symptoms of RA, early diagnosis is critical. Auto-antibodies play a pivotal clinical role in patients with systemic RA. As biomarkers, they could help to make a more efficient diagnosis, prognosis, and treatment decision. Besides auto-antibodies, several other factors are involved in the progression of RA, such as epigenetic alterations, post-translational modifications, glycosylation, autophagy, and T-cells. Understanding the interplay between these factors would contribute to a deeper insight into the causes, mechanisms, progression, and treatment of the disease. In this review, the latest RA research findings are discussed to better understand the pathogenesis, and finally, treatment strategies for RA therapy are presented, including both conventional approaches and new methods that have been developed in recent years or are currently under investigation.
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Affiliation(s)
- Anna-Lena Mueller
- Musculoskeletal Research Group and Tumor Biology, Chair of Vegetative Anatomy, Institute of Anatomy, Faculty of Medicine, Ludwig-Maximilian-University Munich, 80336 Munich, Germany; (A.-L.M.); (A.B.)
| | - Zahra Payandeh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz 5166-15731, Iran;
| | - Niloufar Mohammadkhani
- Department of Clinical Biochemistry, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran 1985717443, Iran;
- Children’s Medical Center, Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran 1419733151, Iran
| | - Shaden M. H. Mubarak
- Department of Clinical Laboratory Science, Faculty of Pharmacy, University of Kufa, Najaf 1967365271, Iraq;
| | - Alireza Zakeri
- Department of Biology Sciences, Shahid Rajaee Teacher Training University, Tehran 1678815811, Iran;
| | - Armina Alagheband Bahrami
- Department of Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran 1985717443, Iran;
| | - Aranka Brockmueller
- Musculoskeletal Research Group and Tumor Biology, Chair of Vegetative Anatomy, Institute of Anatomy, Faculty of Medicine, Ludwig-Maximilian-University Munich, 80336 Munich, Germany; (A.-L.M.); (A.B.)
| | - Mehdi Shakibaei
- Musculoskeletal Research Group and Tumor Biology, Chair of Vegetative Anatomy, Institute of Anatomy, Faculty of Medicine, Ludwig-Maximilian-University Munich, 80336 Munich, Germany; (A.-L.M.); (A.B.)
- Correspondence: ; Tel.: +49-89-2180-72624
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18
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Behl T, Upadhyay T, Singh S, Chigurupati S, Alsubayiel AM, Mani V, Vargas-De-La-Cruz C, Uivarosan D, Bustea C, Sava C, Stoicescu M, Radu AF, Bungau SG. Polyphenols Targeting MAPK Mediated Oxidative Stress and Inflammation in Rheumatoid Arthritis. Molecules 2021; 26:6570. [PMID: 34770980 PMCID: PMC8588006 DOI: 10.3390/molecules26216570] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 10/28/2021] [Accepted: 10/28/2021] [Indexed: 12/17/2022] Open
Abstract
Rheumatoid arthritis (RA) is a chronic, systemic, autoimmune disorder, predominantly symmetric, which causes joint inflammation, cartilage degeneration and bone erosion, resulting in deformity and the loss of physical function. Although the management of RA has steadily improved, the pathophysiological mechanism is incompletely elucidated, and therapeutic options are still limited. Due to shortcomings in the efficacy or safety profiles of conventional RA therapies, therapeutic alternatives have been considered. Therefore, natural extracts containing polyphenolic compounds can become promising adjuvant agents for RA global management, due to their antioxidant, anti-inflammatory and apoptotic properties. Polyphenols can regulate intracellular signaling pathways in RA and can generate different immune responses through some key factors (i.e., MAPK, interleukins (ILs 1 and 6), tumor necrosis factor (TNF), nuclear factor light k chain promoter of activated receptor (NF-κB), and c-Jun N-terminal kinases (JNK)). The critical function of the Toll like-receptor (TLR)-dependent mitogen-activating protein kinase (MAPK) signaling pathway in mediating the pathogenic characteristics of RA has been briefly discussed. Oxidative stress can trigger a change in transcription factors, which leads to the different expression of some genes involved in the inflammatory process. This review aims to provide a comprehensive perspective on the efficacy of polyphenols in mitigating RA by inhibiting signaling pathways, suggesting future research perspectives in order to validate their use.
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Affiliation(s)
- Tapan Behl
- Department of Pharmacology, Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, Punjab, India;
| | - Tanuj Upadhyay
- Amity Institute of Pharmacy, Amity University Gwalior, Gwalior 474005, Madhya Pradesh, India;
| | - Sukhbir Singh
- Department of Pharmacology, Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, Punjab, India;
| | - Sridevi Chigurupati
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, Qassim University, Buraidah 52571, Saudi Arabia;
| | - Amal M. Alsubayiel
- Department of Pharmaceutics, College of Pharmacy, Qassim University, Buraidah 52571, Saudi Arabia;
| | - Vasudevan Mani
- Department of Pharmacology and Toxicology, College of Pharmacy, Qassim University, Buraidah 52571, Saudi Arabia;
| | - Celia Vargas-De-La-Cruz
- Faculty of Pharmacy and Biochemistry, Academic Department of Pharmacology, Bromatology and Toxicology, Centro Latinoamericano de Enseñanza e Investigación en Bacteriología Alimentaria, Universidad Nacional Mayor de San Marcos, Lima 15001, Peru;
- E-Health Research Center, Universidad de Ciencias y Humanidades, Lima 15001, Peru
| | - Diana Uivarosan
- Department of Preclinical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania; (D.U.); (C.B.)
| | - Cristiana Bustea
- Department of Preclinical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania; (D.U.); (C.B.)
| | - Cristian Sava
- Department of Medical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania; (C.S.); (M.S.)
| | - Manuela Stoicescu
- Department of Medical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania; (C.S.); (M.S.)
| | - Andrei-Flavius Radu
- Faculty of Medicine and Pharmacy, Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410073 Oradea, Romania;
| | - Simona Gabriela Bungau
- Faculty of Medicine and Pharmacy, Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410073 Oradea, Romania;
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028 Oradea, Romania
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19
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Hashimoto T, Yoshida K, Hashiramoto A, Matsui K. Cell-Free DNA in Rheumatoid Arthritis. Int J Mol Sci 2021; 22:8941. [PMID: 34445645 PMCID: PMC8396202 DOI: 10.3390/ijms22168941] [Citation(s) in RCA: 16] [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: 07/27/2021] [Revised: 08/14/2021] [Accepted: 08/16/2021] [Indexed: 02/07/2023] Open
Abstract
Endogenous DNA derived from the nuclei or mitochondria is released into the bloodstream following cell damage or death. Extracellular DNA, called cell-free DNA (cfDNA), is associated with various pathological conditions. Recently, multiple aspects of cfDNA have been assessed, including cfDNA levels, integrity, methylation, and mutations. Rheumatoid arthritis (RA) is the most common form of autoimmune arthritis, and treatment of RA has highly varied outcomes. cfDNA in patients with RA is elevated in peripheral blood and synovial fluid and is associated with disease activity. Profiling of cfDNA in patients with RA may then be utilized in various aspects of clinical practice, such as the prediction of prognosis and treatment responses; monitoring disease state; and as a diagnostic marker. In this review, we discuss cfDNA in patients with RA, particularly the sources of cfDNA and the correlation of cfDNA with RA pathogenesis. We also highlight the potential of analyzing cfDNA profiles to guide individualized treatment approaches for RA.
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Affiliation(s)
- Teppei Hashimoto
- Division of Diabetes, Endocrinology and Clinical Immunology, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya 6638501, Japan;
| | - Kohsuke Yoshida
- Department of Biophysics, Kobe University Graduate School of Health Sciences, Kobe 6540142, Japan; (K.Y.); (A.H.)
| | - Akira Hashiramoto
- Department of Biophysics, Kobe University Graduate School of Health Sciences, Kobe 6540142, Japan; (K.Y.); (A.H.)
| | - Kiyoshi Matsui
- Division of Diabetes, Endocrinology and Clinical Immunology, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya 6638501, Japan;
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20
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Cai Q, Li Y, Lyu F, Zhou M, Lu K, Tang X, Ren D, Bao Q, Wang D, Li Y. Effects of All-Trans Retinoic Acid on the Optimization of Synovial Explant Induced by Tumor Necrosis Factor Alpha. J Nutr Sci Vitaminol (Tokyo) 2021; 66:300-310. [PMID: 32863302 DOI: 10.3177/jnsv.66.300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Current studies focused on the effects of all-trans-retinoic acid (ATRA) on synovial explants from rats with rheumatoid arthritis (RA) induced by lipopolysaccharides (LPS). In our study, synovial membranes were extracted aseptically from the quadriceps femoris of the knee joint of rats, and then incubated in medium containing 10% neonate bovine serum for 24 h adaptive culture. We first measured variations of correlation factors in synovium at 24, 48, 72, 96 and 120 h in control medium or in medium containing 20 ng/mL tumor necrosis factor alpha (TNF-α) (TNF-α-experiment). Then, we investigated the synovium exposed to three ATRA concentrations after 48 h incubation (ATRA-experiment). The effects of ATRA on synovitis were evaluated by observing the expression of inflammatory cytokines, angiogenic factors and the production of proteases in nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) pathway and apoptosis and autophagy. In TNF-α-experiment, the secretion of nitric oxide (NO), interleukin-6 (IL-6), vascular endothelial growth factor (VEGF), and matrix metalloproteinase-9 (MMP-9) increased significantly after TNF-α stimulation without pathological damage to the synovium. Hence, we successfully obtained the synovial explants model, which had longer inflammatory response time. In the ATRA-experiment, ATRA suppressed the secretion of IL-6 and NO, downregulated the NF-κB P65 and Bcl-2, increased levels of autophagy marker protein LC3, but different doses of ATRA showed inconsistent regulatory effects on VEGF and MMP-9. In short, ATRA inhibited TNF-α induced synovitis by the regulation of inflammatory cytokines and inhibiting NF-κB signal transduction and potentially promoting autophagy, apoptosis and angiogenesis, displaying its role in alleviating synovial inflammation in patients with RA.
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Affiliation(s)
- Qiuying Cai
- Department of Nutrition, Food Hygiene and Toxicology, West China School of Public Health, Sichuan University
| | - Yulin Li
- Department of Nutrition, Food Hygiene and Toxicology, West China School of Public Health, Sichuan University
| | - Fan Lyu
- Department of Nutrition, Food Hygiene and Toxicology, West China School of Public Health, Sichuan University
| | - Mingming Zhou
- Department of Clinical Nutrition, West China Second Hospital, Sichuan University
| | - Kuiqing Lu
- Department of Nutrition, Food Hygiene and Toxicology, West China School of Public Health, Sichuan University
| | - Xiaoyue Tang
- Department of Nutrition, Food Hygiene and Toxicology, West China School of Public Health, Sichuan University
| | - Dongxia Ren
- Department of Nutrition, Food Hygiene and Toxicology, West China School of Public Health, Sichuan University
| | - Qilin Bao
- Department of Nutrition, Food Hygiene and Toxicology, West China School of Public Health, Sichuan University
| | - Dan Wang
- Department of Nutrition, Food Hygiene and Toxicology, West China School of Public Health, Sichuan University
| | - Yun Li
- Department of Nutrition, Food Hygiene and Toxicology, West China School of Public Health, Sichuan University.,West China School of Public Health and Healthy Food Evaluation Research Center, Sichuan University
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21
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So IS, Kang JH, Hong JW, Sung S, Hasan AF, Sa KH, Han SW, Kim IS, Kang YM. A novel apoptosis probe, cyclic ApoPep-1, for in vivo imaging with multimodal applications in chronic inflammatory arthritis. Apoptosis 2021; 26:209-218. [PMID: 33655467 DOI: 10.1007/s10495-021-01659-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/04/2021] [Indexed: 11/26/2022]
Abstract
Apoptosis plays an essential role in the pathophysiologic processes of rheumatoid arthritis. A molecular probe that allows spatiotemporal observation of apoptosis in vitro, in vivo, and ex vivo concomitantly would be useful to monitoring or predicting pathophysiologic stages. In this study we investigated whether cyclic apoptosis-targeting peptide-1 (CApoPep-1) can be used as an apoptosis imaging probe in inflammatory arthritis. We tested the utility of CApoPep-1 for detecting apoptotic immune cells in vitro and ex vivo using flow cytometry and immunofluorescence. The feasibility of visualizing and quantifying apoptosis using this probe was evaluated in a murine collagen-induced arthritis (CIA) model, especially after treatment. CApoPep-1 peptide may successfully replace Annexin V for in vitro and terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) assay for ex vivo in the measurement of apoptotic cells, thus function as a sensitive probe enough to be used clinically. In vivo imaging in CIA mice revealed that CApoPep-1 had 42.9 times higher fluorescence intensity than Annexin V for apoptosis quantification. Furthermore, it may be used as an imaging probe for early detection of apoptotic response in situ after treatment. The CApoPep-1 signal was mostly co-localized with the TUNEL signal (69.6% of TUNEL+ cells) in defined cell populations in joint tissues of CIA mice. These results demonstrate that CApoPep-1 is sufficiently sensitive to be used as an apoptosis imaging probe for multipurpose applications which could detect the same target across in vitro, in vivo, to ex vivo in inflammatory arthritis.
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Affiliation(s)
- In-Seop So
- Department of Internal Medicine (Rheumatology), Kyungpook National University School of Medicine, 680 Gukchaebosang-ro, Junggu, Daegu, 41944, Republic of Korea
- Cell and Matrix Research Institute, Kyungpook National University, Daegu, Republic of Korea
| | - Jin Hee Kang
- Department of Internal Medicine (Rheumatology), Kyungpook National University School of Medicine, 680 Gukchaebosang-ro, Junggu, Daegu, 41944, Republic of Korea
- Cell and Matrix Research Institute, Kyungpook National University, Daegu, Republic of Korea
- Department of Biochemistry and Cell Biology, Kyungpook National University School of Medicine, Daegu, Republic of Korea
| | - Jung Wan Hong
- Department of Internal Medicine (Rheumatology), Kyungpook National University School of Medicine, 680 Gukchaebosang-ro, Junggu, Daegu, 41944, Republic of Korea
- Cell and Matrix Research Institute, Kyungpook National University, Daegu, Republic of Korea
| | - Shijin Sung
- Department of Internal Medicine (Rheumatology), Kyungpook National University School of Medicine, 680 Gukchaebosang-ro, Junggu, Daegu, 41944, Republic of Korea
- Cell and Matrix Research Institute, Kyungpook National University, Daegu, Republic of Korea
- Department of Biochemistry and Cell Biology, Kyungpook National University School of Medicine, Daegu, Republic of Korea
| | - Al Faruque Hasan
- Department of Internal Medicine (Rheumatology), Kyungpook National University School of Medicine, 680 Gukchaebosang-ro, Junggu, Daegu, 41944, Republic of Korea
- Cell and Matrix Research Institute, Kyungpook National University, Daegu, Republic of Korea
- Department of Biochemistry and Cell Biology, Kyungpook National University School of Medicine, Daegu, Republic of Korea
| | - Keum Hee Sa
- Department of Internal Medicine (Rheumatology), Kyungpook National University School of Medicine, 680 Gukchaebosang-ro, Junggu, Daegu, 41944, Republic of Korea
- Cell and Matrix Research Institute, Kyungpook National University, Daegu, Republic of Korea
- Department of Biochemistry and Cell Biology, Kyungpook National University School of Medicine, Daegu, Republic of Korea
| | - Seung Woo Han
- Department of Internal Medicine (Rheumatology), Kyungpook National University School of Medicine, 680 Gukchaebosang-ro, Junggu, Daegu, 41944, Republic of Korea
| | - In San Kim
- Cell and Matrix Research Institute, Kyungpook National University, Daegu, Republic of Korea
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology, Seoul, Republic of Korea
| | - Young Mo Kang
- Department of Internal Medicine (Rheumatology), Kyungpook National University School of Medicine, 680 Gukchaebosang-ro, Junggu, Daegu, 41944, Republic of Korea.
- Cell and Matrix Research Institute, Kyungpook National University, Daegu, Republic of Korea.
- Department of Biochemistry and Cell Biology, Kyungpook National University School of Medicine, Daegu, Republic of Korea.
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22
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Banda NK, Tomlinson S, Scheinman RI, Ho N, Ramirez JR, Mehta G, Wang G, Vu VP, Simberg D, Kulik L, Holers VM. C2 IgM Natural Antibody Enhances Inflammation and Its Use in the Recombinant Single Chain Antibody-Fused Complement Inhibitor C2-Crry to Target Therapeutics to Joints Attenuates Arthritis in Mice. Front Immunol 2020; 11:575154. [PMID: 33178202 PMCID: PMC7596757 DOI: 10.3389/fimmu.2020.575154] [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] [Received: 06/22/2020] [Accepted: 09/08/2020] [Indexed: 01/12/2023] Open
Abstract
Natural IgM antibodies (NAbs) have been shown to recognize injury-associated neoepitopes and to initiate pathogenic complement activation. The NAb termed C2 binds to a subset of phospholipids displayed on injured cells, and its role(s) in arthritis, as well as the potential therapeutic benefit of a C2 NAb-derived ScFv-containing protein fused to a complement inhibitor, complement receptor-related y (Crry), on joint inflammation are unknown. Our first objective was to functionally test mAb C2 binding to apoptotic cells from the joint and also evaluate its inflammation enhancing capacity in collagen antibody-induced arthritis (CAIA). The second objective was to generate and test the complement inhibitory capacity of C2-Crry fusion protein in the collagen-induced arthritis (CIA) model. The third objective was to demonstrate in vivo targeting of C2-Crry to damaged joints in mice with arthritis. The effect of C2-NAb on CAIA in C57BL/6 mice was examined by inducing a suboptimal disease. The inhibitory effect of C2-Crry in DBA/1J mice with CIA was determined by injecting 2x per week with a single dose of 0.250 mg/mouse. Clinical disease activity (CDA) was examined, and knee joints were fixed for analysis of histopathology, C3 deposition, and macrophage infiltration. In mice with suboptimal CAIA, at day 10 there was a significant (p < 0.017) 74% increase in the CDA in mice treated with C2 NAb, compared to mice treated with F632 control NAb. In mice with CIA, at day 35 there was a significant 39% (p < 0.042) decrease in the CDA in mice treated with C2-Crry. Total scores for histopathology were also 50% decreased (p < 0.0005) in CIA mice treated with C2-Crry. C3 deposition was significantly decreased in the synovium (44%; p < 0.026) and on the surface of cartilage (42%; p < 0.008) in mice treated with C2-Crry compared with PBS treated CIA mice. Furthermore, C2-Crry specifically bound to apoptotic fibroblast-like synoviocytes in vitro, and also localized in the knee joints of arthritic mice as analyzed by in vivo imaging. In summary, NAb C2 enhanced arthritis-related injury, and targeted delivery of C2-Crry to inflamed joints demonstrated disease modifying activity in a mouse model of human inflammatory arthritis.
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Affiliation(s)
- Nirmal K Banda
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Stephen Tomlinson
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States
| | - Robert I Scheinman
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Nhu Ho
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States.,Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Joseline Ramos Ramirez
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Gaurav Mehta
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Guankui Wang
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Vivian Pham Vu
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Dmitri Simberg
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Liudmila Kulik
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - V Michael Holers
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
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Nejatbakhsh Samimi L, Farhadi E, Tahmasebi MN, Jamshidi A, Sharafat Vaziri A, Mahmoudi M. NF-κB signaling in rheumatoid arthritis with focus on fibroblast-like synoviocytes. AUTOIMMUNITY HIGHLIGHTS 2020. [PMCID: PMC7414649 DOI: 10.1186/s13317-020-00135-z] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The nuclear factor-κB (NF-κB) signaling pathway regulates multiple processes in innate and adaptive immune cells. This pathway is involved in inflammation through the regulation of cytokines, chemokines, and adhesion molecules expression. The NF-κB transcription factor also participates in the survival, proliferation, and differentiation of cells. Therefore, deregulated NF-κB activation contributes to the pathogenesis of inflammatory diseases. Rheumatoid arthritis (RA) is classified as a heterogeneous and complex autoimmune inflammatory disease. Although different immune and non-immune cells contribute to the RA pathogenesis, fibroblast-like synoviocytes (FLSs) play a crucial role in disease progression. These cells are altered during the disease and produce inflammatory mediators, including inflammatory cytokines and matrix metalloproteinases, which result in joint and cartilage erosion. Among different cell signaling pathways, it seems that deregulated NF-κB activation is associated with the inflammatory picture of RA. NF-κB activation can also promote the proliferation of RA-FLSs as well as the inhibition of FLS apoptosis that results in hyperplasia in RA synovium. In this review, the role of NF-κB transcription factor in immune and non-immune cells (especially FLSs) that are involved in RA pathogenesis are discussed.
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24
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Karami J, Masoumi M, Khorramdelazad H, Bashiri H, Darvishi P, Sereshki HA, Shekarabi M, Sahebkar A. Role of autophagy in the pathogenesis of rheumatoid arthritis: Latest evidence and therapeutic approaches. Life Sci 2020; 254:117734. [PMID: 32380080 DOI: 10.1016/j.lfs.2020.117734] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 04/17/2020] [Accepted: 04/25/2020] [Indexed: 12/19/2022]
Abstract
Autophagy is considered as an important intracellular mechanism that degrades cytoplasmic components to furnish additional energy. It has cytoprotective effects through the degradation of intracellular pathogens, damaged organelles, and protein aggregates. On the other hand, there are reports of an association between autophagy and autoimmune diseases. Indeed, it has been evident that autophagy is dysregulated in various autoimmune diseases including rheumatoid arthritis (RA). Autophagy is implicated in the maturation survival and proliferation of various immune and non-immune cells, which play pivotal roles in RA pathogenesis. Additionally, autophagy seems to be involved in citrullination and presentation of citrullinated peptides to T lymphocyte cells. Presentation of citrullinated peptides through MHC compartments to the T cells leads to immune response and chronic inflammation. Evidence suggests that autophagy could be implicated in apoptosis resistance of RA fibroblast-like synoviocyte (RA FLS), osteoclastogenesis, and finally severe bone and cartilage destruction. Since autophagy could be an important phenomenon in RA pathogenesis, we summarized the roles of autophagy in citrullination, osteoclastogenesis, RA FLS cells survival, apoptosis resistance of cells, lymphocyte homeostasis and its clinical outcomes in RA disease.
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Affiliation(s)
- Jafar Karami
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Rheumatology Research Center, Tehran University of Medical Sciences, Tehran, Iran.
| | - Maryam Masoumi
- Clinical Research Development Center, Shahid Beheshti Hospital, Qom University of Medical Sciences, Qom, Iran
| | - Hossein Khorramdelazad
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Molecular Medicine Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, Iran; Department of Immunology, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Hamidreza Bashiri
- Department of Rheumatology, School of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Parisa Darvishi
- Department of Immunology, School of Medicine, Ilam University of Medical Sciences, Ilam, Iran
| | - Hale Abdoli Sereshki
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mehdi Shekarabi
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Amirhossein Sahebkar
- Halal Research Center of IRI, FDA, Tehran, Iran; Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
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25
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Young E, Gould D, Hart S. Toward gene therapy in rheumatoid arthritis. EXPERT REVIEW OF PRECISION MEDICINE AND DRUG DEVELOPMENT 2020. [DOI: 10.1080/23808993.2020.1736942] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Emily Young
- Genetics and Genomic Medicine Programme, UCL Great Ormond Street Institute of Child Health, London, UK
| | - David Gould
- Centre for Biochemical Pharmacology, William Harvey Research Institute, Queen Mary University of London, London, UK
| | - Stephen Hart
- Genetics and Genomic Medicine Programme, UCL Great Ormond Street Institute of Child Health, London, UK
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Singh V, Kalliolias GD, Ostaszewski M, Veyssiere M, Pilalis E, Gawron P, Mazein A, Bonnet E, Petit-Teixeira E, Niarakis A. RA-map: building a state-of-the-art interactive knowledge base for rheumatoid arthritis. Database (Oxford) 2020; 2020:baaa017. [PMID: 32311035 PMCID: PMC7170216 DOI: 10.1093/database/baaa017] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Revised: 01/21/2020] [Accepted: 02/13/2020] [Indexed: 02/07/2023]
Abstract
Rheumatoid arthritis (RA) is a progressive, inflammatory autoimmune disease of unknown aetiology. The complex mechanism of aetiopathogenesis, progress and chronicity of the disease involves genetic, epigenetic and environmental factors. To understand the molecular mechanisms underlying disease phenotypes, one has to place implicated factors in their functional context. However, integration and organization of such data in a systematic manner remains a challenging task. Molecular maps are widely used in biology to provide a useful and intuitive way of depicting a variety of biological processes and disease mechanisms. Recent large-scale collaborative efforts such as the Disease Maps Project demonstrate the utility of such maps as versatile tools to organize and formalize disease-specific knowledge in a comprehensive way, both human and machine-readable. We present a systematic effort to construct a fully annotated, expert validated, state-of-the-art knowledge base for RA in the form of a molecular map. The RA map illustrates molecular and signalling pathways implicated in the disease. Signal transduction is depicted from receptors to the nucleus using the Systems Biology Graphical Notation (SBGN) standard representation. High-quality manual curation, use of only human-specific studies and focus on small-scale experiments aim to limit false positives in the map. The state-of-the-art molecular map for RA, using information from 353 peer-reviewed scientific publications, comprises 506 species, 446 reactions and 8 phenotypes. The species in the map are classified to 303 proteins, 61 complexes, 106 genes, 106 RNA entities, 2 ions and 7 simple molecules. The RA map is available online at ramap.elixir-luxembourg.org as an open-access knowledge base allowing for easy navigation and search of molecular pathways implicated in the disease. Furthermore, the RA map can serve as a template for omics data visualization.
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Affiliation(s)
- Vidisha Singh
- Laboratoire Européen de Recherche pour la Polyarthrite Rhumatoïde - Genhotel, Univ Evry, Université Paris-Saclay, 2, rue Gaston Crémieux, 91057 EVRY-GENOPOLE cedex, Evry, France
| | - George D Kalliolias
- Arthritis and Tissue Degeneration Program, Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021, USA
- Weill Cornell Medical Center, Weill Department of Medicine, 525 East 68th Street, New York, NY 10065, USA
| | - Marek Ostaszewski
- Luxembourg Centre for Systems Biomedicine, University of Luxembourg, 6 Avenue du Swing, L-4367 Belvaux, Luxembourg
| | - Maëva Veyssiere
- Laboratoire Européen de Recherche pour la Polyarthrite Rhumatoïde - Genhotel, Univ Evry, Université Paris-Saclay, 2, rue Gaston Crémieux, 91057 EVRY-GENOPOLE cedex, Evry, France
| | - Eleftherios Pilalis
- eNIOS Applications P.C., R&D department, Alexandrou Pantou 25, 17671, Kallithea-Athens, Greece
| | - Piotr Gawron
- Luxembourg Centre for Systems Biomedicine, University of Luxembourg, 6 Avenue du Swing, L-4367 Belvaux, Luxembourg
| | - Alexander Mazein
- Luxembourg Centre for Systems Biomedicine, University of Luxembourg, 6 Avenue du Swing, L-4367 Belvaux, Luxembourg
| | - Eric Bonnet
- Centre National de Recherche en Génomique Humaine (CNRGH), CEA, 2 rue Gaston Crémieux, CP5706 91057 EVRY-GENOPOLE cedex, Evry, France
| | - Elisabeth Petit-Teixeira
- Laboratoire Européen de Recherche pour la Polyarthrite Rhumatoïde - Genhotel, Univ Evry, Université Paris-Saclay, 2, rue Gaston Crémieux, 91057 EVRY-GENOPOLE cedex, Evry, France
| | - Anna Niarakis
- Laboratoire Européen de Recherche pour la Polyarthrite Rhumatoïde - Genhotel, Univ Evry, Université Paris-Saclay, 2, rue Gaston Crémieux, 91057 EVRY-GENOPOLE cedex, Evry, France
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27
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El Shikh MEM, El Sayed R, Nerviani A, Goldmann K, John CR, Hands R, Fossati-Jimack L, Lewis MJ, Pitzalis C. Extracellular traps and PAD4 released by macrophages induce citrullination and auto-antibody production in autoimmune arthritis. J Autoimmun 2019; 105:102297. [PMID: 31277965 DOI: 10.1016/j.jaut.2019.06.008] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 06/20/2019] [Accepted: 06/24/2019] [Indexed: 11/18/2022]
Abstract
The mechanisms underlying the transition of rheumatoid arthritis (RA) systemic autoimmunity to the joints remain largely unknown. Here, we demonstrate that macrophages in the secondary lymphoid organs (SLOs) and synovial ectopic lymphoid-like structures (ELSs) express peptidylarginine deiminase 4 (PAD4) in murine collagen induced arthritis (CIA) and synovial biopsies from RA patients. Moreover, peptidyl citrulline colocalized with macrophages in SLOs and ELSs, and depletion of macrophages in CIA decreased lymphoid tissue citrullination and serum anti-citrullinated protein/peptide antibody (ACPA) levels. Furthermore, PAD was released from activated murine and RA synovial tissue and fluid (SF) macrophages which functionally deiminated extracellular proteins/peptides in vitro. Additionally, activated murine and SF macrophages displayed macrophage extracellular trap formation (METosis) and release of intracellular citrullinated histones. Moreover, presentation of citrullinated proteins induced ACPA production in vitro. Thus, lymphoid tissue macrophages contribute to self-antigen citrullination and ACPA production, indicating that their selective targeting would potentially ameliorate citrullination-dependent autoimmune disorders.
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Affiliation(s)
- Mohey Eldin M El Shikh
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, EC1M 6BQ, UK
| | - Riham El Sayed
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, EC1M 6BQ, UK
| | - Alessandra Nerviani
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, EC1M 6BQ, UK
| | - Katriona Goldmann
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, EC1M 6BQ, UK
| | - Christopher Robert John
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, EC1M 6BQ, UK
| | - Rebecca Hands
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, EC1M 6BQ, UK
| | - Liliane Fossati-Jimack
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, EC1M 6BQ, UK
| | - Myles J Lewis
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, EC1M 6BQ, UK
| | - Costantino Pitzalis
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, EC1M 6BQ, UK.
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28
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Abdel-Maged AE, Gad AM, Wahdan SA, Azab SS. Efficacy and safety of Ramucirumab and methotrexate co-therapy in rheumatoid arthritis experimental model: Involvement of angiogenic and immunomodulatory signaling. Toxicol Appl Pharmacol 2019; 380:114702. [PMID: 31398424 DOI: 10.1016/j.taap.2019.114702] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Revised: 05/23/2019] [Accepted: 08/05/2019] [Indexed: 02/08/2023]
Abstract
Rheumatoid arthritis (RA) is a chronic and progressive autoimmune inflammatory disease associated with irreversible joint destruction that leads to permanent motor disability and compromised quality of life. However, the main cause of RA is still unknown though stimulation of immune system and cells plays pivotal role in disease development and progression. Ramucirumab (RAM) is the monoclonal antibody against VEGF- receptor. This study aimed to investigate and evaluate the therapeutic effect of RAM with or without Methotrexate (MTX) against adjuvant-induced arthritis in rats. Complete Freund's adjuvant (CFA)-induced arthritic rats were treated for three consecutive weeks with MTX or RAM alone and MTX-RAM co-therapy. Arthritic score, gait score, ankle diameter, paw thickness, angiogenic, inflammatory cytokines, bone erosion markers, and apoptotic markers were assessed to evaluate the anti-arthritic effect. RAM monotherapy exhibited anti-inflammatory, anti-angiogenic and anti-apoptotic effects similar to MTX alone to treat RA in the current study. Furthermore, RAM alone had a protective effect on bone and cartilage health better than standard anti-rheumatic agent MTX. Interestingly, combined therapy of MTX and RAM produced significant differences in comparison with MTX or RAM monotherapy in all tested parameters. Moreover, the current study proved that MTX-RAM co-therapy has a synergistic effect.
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MESH Headings
- Animals
- Ankle Joint/drug effects
- Ankle Joint/pathology
- Antibodies, Monoclonal, Humanized/pharmacology
- Antibodies, Monoclonal, Humanized/therapeutic use
- Antirheumatic Agents/pharmacology
- Antirheumatic Agents/therapeutic use
- Arthritis, Experimental/drug therapy
- Arthritis, Experimental/genetics
- Arthritis, Experimental/metabolism
- Arthritis, Experimental/pathology
- Arthritis, Rheumatoid/drug therapy
- Arthritis, Rheumatoid/genetics
- Arthritis, Rheumatoid/metabolism
- Arthritis, Rheumatoid/pathology
- Drug Therapy, Combination
- Foot/pathology
- Gene Expression/drug effects
- Immunomodulation
- Interleukin-17/genetics
- Male
- Methotrexate/pharmacology
- Methotrexate/therapeutic use
- Neovascularization, Physiologic
- Rats
- STAT3 Transcription Factor/genetics
- Treatment Outcome
- Tumor Necrosis Factor-alpha/blood
- Vascular Endothelial Growth Factor A/blood
- Ramucirumab
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Affiliation(s)
- Amany E Abdel-Maged
- National Organization for Research and Control of Biologicals (NORCB), Cairo, Egypt
| | - Amany M Gad
- Department of Pharmacology, National Organization for Drug Control and Research (NODCAR), Cairo, Egypt
| | - Sara A Wahdan
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Samar S Azab
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt.
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29
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Su C, Chen Y, Chen Y, Zhou Y, Li L, Lu Q, Liu H, Luo X, Zhu J. Effect of electroacupuncture at the ST36 and GB39 acupoints on apoptosis by regulating the p53 signaling pathway in adjuvant arthritis rats. Mol Med Rep 2019; 20:4101-4110. [PMID: 31545441 PMCID: PMC6797960 DOI: 10.3892/mmr.2019.10674] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Accepted: 08/23/2019] [Indexed: 12/11/2022] Open
Abstract
p53 and mouse double minute 2 homolog (MDM2) serve key regulatory roles in the apoptosis of synovial cells. The present study aimed to investigate the effects of electroacupuncture (EA) at the 'Zusanli' (ST36) and 'Xuanzhong' (GB39) acupoints on apoptosis in an adjuvant arthritis (AA) rat model. A total of 40 male Sprague‑Dawley rats were randomly divided into Control, AA, AA + EA and AA + sham EA groups (n=10 rats in each group). Rats in all the groups, with the exception of the control group, were injected with Complete™ Freund's adjuvant into the bilateral hindlimb footpad to establish the AA model. Rats in the AA + EA group were treated with EA at the ST36 and GB39 acupoints. Rats in the AA + sham EA group were treated with percutaneous electrical stimulation at a position of 5 mm away from the ST36 and GB39 acupoints. The arthritis index scores and hindlimb paw volumes of the rats in each group were recorded. Subsequently, pathological changes in the synovial tissue were evaluated by hematoxylin and eosin (H&E) staining, and the apoptotic rate of the synovial cells was detected by TUNEL staining. In addition, the expression levels of the apoptosis‑associated proteins, Bax, phorbol‑12‑myristate‑13‑acetate‑induced protein 1 (Noxa) and p53 upregulated modulator of apoptosis (PUMA), were determined by western blot analysis. The expression of both the gene and protein of p53 and MDM2 in synovial tissue was detected by reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR) and western blot analysis, respectively. The results indicated that the arthritis index scores and hindlimb paw volumes upon EA stimulation were significantly decreased compared with those of the AA group (P<0.05). H&E staining revealed that the synovial inflammation of EA stimulation was significantly decreased compared with the AA group (P<0.05). The TUNEL assay results indicated that the apoptotic rate of synovial cells in the AA + EA group was significantly increased compared with that in the AA group (P<0.05). Furthermore, an increased expression of proapoptotic proteins was confirmed by the increased expression levels of Bax, Noxa and PUMA in the AA + EA group. The results of RT‑qPCR and western blot analysis demonstrated that, compared with the AA group, EA stimulation led to a marked increase in p53 (P<0.05) and a significant decrease in MDM2 (P<0.05) gene and protein expression. Taken together, these results demonstrated that EA performed on the ST36 and GB39 acupoints led to a significant amelioration in AA injury of model rats, by regulating the p53 signaling pathway and inducing apoptosis.
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Affiliation(s)
- Chengguo Su
- Department of Acupuncture‑Moxibustion and Tuina, The Third Affiliated Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, P.R. China
| | - Yuzhou Chen
- Department of Acupuncture‑Moxibustion and Tuina, The Third Affiliated Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, P.R. China
| | - Yunfei Chen
- Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, P.R. China
| | - Yin Zhou
- Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, P.R. China
| | - Lianbo Li
- Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, P.R. China
| | - Qunwen Lu
- Department of Acupuncture‑Moxibustion and Tuina, The Third Affiliated Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, P.R. China
| | - Huahui Liu
- Department of Acupuncture‑Moxibustion and Tuina, The Third Affiliated Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, P.R. China
| | - Xiaochao Luo
- Department of Acupuncture‑Moxibustion and Tuina, The Third Affiliated Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, P.R. China
| | - Jun Zhu
- Department of Acupuncture‑Moxibustion and Tuina, The Third Affiliated Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, P.R. China
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30
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Feehan KT, Gilroy DW. Is Resolution the End of Inflammation? Trends Mol Med 2019; 25:198-214. [DOI: 10.1016/j.molmed.2019.01.006] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Revised: 01/11/2019] [Accepted: 01/14/2019] [Indexed: 12/12/2022]
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31
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Anel A, Gallego-Lleyda A, de Miguel D, Naval J, Martínez-Lostao L. Role of Exosomes in the Regulation of T-cell Mediated Immune Responses and in Autoimmune Disease. Cells 2019; 8:cells8020154. [PMID: 30759880 PMCID: PMC6406439 DOI: 10.3390/cells8020154] [Citation(s) in RCA: 105] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 01/24/2019] [Accepted: 02/11/2019] [Indexed: 01/01/2023] Open
Abstract
: T-cell mediated immune responses should be regulated to avoid the development of autoimmune or chronic inflammatory diseases. Several mechanisms have been described to regulate this process, namely death of overactivated T cells by cytokine deprivation, suppression by T regulatory cells (Treg), induction of expression of immune checkpoint molecules such as CTLA-4 and PD-1, or activation-induced cell death (AICD). In addition, activated T cells release membrane microvesicles called exosomes during these regulatory processes. In this review, we revise the role of exosome secretion in the different pathways of immune regulation described to date and its importance in the prevention or development of autoimmune disease. The expression of membrane-bound death ligands on the surface of exosomes during AICD or the more recently described transfer of miRNA or even DNA inside T-cell exosomes is a molecular mechanism that will be analyzed.
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Affiliation(s)
- Alberto Anel
- Immunity, Cancer & Stem Cells Group, Department of Biochemistry and Molecular and Cell Biology, Faculty of Sciences, Campus San Francisco Sq., University of Zaragoza and Aragón Health Research Institute (IIS Aragón), E-50009 Zaragoza, Spain.
| | - Ana Gallego-Lleyda
- Department of Biochemistry and Molecular and Cell Biology, Faculty of Sciences, Campus San Francisco Sq., University of Zaragoza and Aragón Health Research Institute (IIS Aragón), E-50009 Zaragoza, Spain.
| | - Diego de Miguel
- Centre for Cell Death, Cancer and Inflammation (CCCI), UCL Cancer Institute, University College London, Gower St, Bloomsbury, WC1E 6BT London, UK.
| | - Javier Naval
- Immunity, Cancer & Stem Cells Group, Department of Biochemistry and Molecular and Cell Biology, Faculty of Sciences, Campus San Francisco Sq., University of Zaragoza and Aragón Health Research Institute (IIS Aragón), E-50009 Zaragoza, Spain.
| | - Luis Martínez-Lostao
- Immunology Department, Lozano Blesa Clinical Hospital, and Aragón Health Research Institute (IIS Aragón), E-50009 Zaragoza, Spain.
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32
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Autophagy protects against redox-active trace metal-induced cell death in rabbit synovial fibroblasts through Toll-like receptor 4 activation. Exp Cell Res 2019; 374:19-28. [DOI: 10.1016/j.yexcr.2018.11.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 10/22/2018] [Accepted: 11/03/2018] [Indexed: 12/18/2022]
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Aletras AJ, Trilivas I, Christopoulou ME, Drakouli S, Georgakopoulos CD, Pharmakakis N. UVB-mediated down-regulation of proteasome in cultured human primary pterygium fibroblasts. BMC Ophthalmol 2018; 18:328. [PMID: 30563490 PMCID: PMC6299496 DOI: 10.1186/s12886-018-0987-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Accepted: 11/30/2018] [Indexed: 11/16/2022] Open
Abstract
Background Pterygium is a condition characterized by epithelial overgrowth of the cornea, inflammatory cell infiltration and an abnormal extracellular matrix accumulation. Chronic UV exposure is considered as a pathogenic factor of this disease. Proteasome is an intracellular multi-subunit protease complex that degrades intracellular proteins. Among proteasome subunits the β5 (PSMB5), bearing chymotrypsin-like activity. It is considered as the main proteasome subunit and its expression is mediated by Nrf2-ARE pathway in many cell types. This study investigates the expression of PSMB5 in pterygium and the effect of UVB irradiation on its expression and activity in pterygium fibroblasts. Methods Normal conjunctival and pterygium specimens were obtained from the bulbar conjunctiva of patients undergoing cataract surgery and from patients with pterygium undergoing surgical removal of primary tissue, respectively. Fibroblasts were isolated upon treatment of specimens with clostridium collagenase. The expression of PSMB5 and Nrf2 in tissues and cells was ascertained by RT-PCR analysis and western blotting. Cell survival was measured by the MTT method and the proteasome chymotrypsin-like activity was determined by fluorometry. Results RT-PCR analysis showed that the expression of PSMB5 was significantly lower in pterygium than in normal conjunctiva. The expression of PSMB5 was mediated by the Nrf2/ARE pathway as indicated by using the Nrf2 activator Oltipraz. The expression of PSMB5 and Nrf2 by pterygium fibroblasts was suppressed in a dose dependent manner following UVB radiation of 0–50 mJ/cm2 doses. The expression of PSMB5, but not of Nrf2, remained at almost the control levels, when UVB exposure was performed after pre-incubation of cells with the src kinases inhibitor PP2. UVB irradiation had very low deleterious effect on fibroblasts survival, while it did not affect the proteasome chymotrypsin-like activity. Conclusion In pterygium fibroblasts, UVB exposure leads to down-regulation of Nrf2/ARE-mediated PSMB5 gene expression, in which src kinases may be implicated. This effect may be partially responsible for the lower expression of PSMB5 detected in pterygium as compared to normal conjunctiva.
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Affiliation(s)
- Alexios J Aletras
- Laboratory of Biochemistry, Department of Chemistry, University of Patras, 26 504, Patras, Greece.
| | - Ioannis Trilivas
- Department of Opthalmology, Medical School, University of Patras, Patras, Greece
| | | | - Sotiria Drakouli
- Laboratory of Biochemistry, Department of Chemistry, University of Patras, 26 504, Patras, Greece.,Present address: Laboratory of Biochemistry, Faculty of Medicine, University of Thessaly, Volos, Greece
| | | | - Nikolaos Pharmakakis
- Department of Opthalmology, Medical School, University of Patras, Patras, Greece
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Kim EY, Sudini K, Singh AK, Haque M, Leaman D, Khuder S, Ahmed S. Ursolic acid facilitates apoptosis in rheumatoid arthritis synovial fibroblasts by inducing SP1-mediated Noxa expression and proteasomal degradation of Mcl-1. FASEB J 2018; 32:fj201800425R. [PMID: 29799788 PMCID: PMC6181629 DOI: 10.1096/fj.201800425r] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2018] [Accepted: 05/07/2018] [Indexed: 12/14/2022]
Abstract
Rheumatoid arthritis (RA) is characterized by hyperplastic pannus formation mediated by activated synovial fibroblasts (RASFs) that cause joint destruction. We have shown earlier that RASFs exhibit resistance to apoptosis, primarily as a result of enhanced expression of myeloid cell leukemia-1 (Mcl-1). In this study, we discovered that ursolic acid (UA), a plant-derived pentacyclic triterpenoid, selectively induces B-cell lymphoma 2 homology 3-only protein Noxa in human RASFs. We observed that UA-induced Noxa expression was followed by a consequent decrease in Mcl-1 expression in a dose-dependent manner. Subsequent evaluation of the signaling pathways showed that UA-induced Noxa is primarily mediated by the JNK pathway in human RASFs. Chromatin immunoprecipitation (IP) studies into the promoter region of Noxa indicated the role of transcription factor specificity protein 1 in JNK-mediated Noxa expression. Furthermore, the results from IP studies and proximity ligation assays indicated that UA-induced Noxa colocalizes and associates with Mcl-1 to prime it for proteasomal degradation through K48-linked ubiquitination by the selective recruitment of Mcl-1 ubiquitin ligase E3, a homologous to E6-associated protein C terminus domain-containing E3 ubiquitin ligase. These findings unveil a novel mechanism of inducing apoptosis in RASFs and a potential adjunct therapeutic strategy of regulating synovial hyperplasia in RA.-Kim, E. Y., Sudini, K., Singh, A. K., Haque, M., Leaman, D., Khuder, S., Ahmed, S. Ursolic acid facilitates apoptosis in rheumatoid arthritis synovial fibroblasts by inducing SP1-mediated Noxa expression and proteasomal degradation of Mcl-1.
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Affiliation(s)
- Eugene Y. Kim
- Department of Pharmaceutical Sciences, College of Pharmacy, Washington State University, Spokane, Washington, USA
| | - Kuladeep Sudini
- Department of Pharmacology, University of Toledo, Toledo, Ohio, USA
| | - Anil K. Singh
- Department of Pharmaceutical Sciences, College of Pharmacy, Washington State University, Spokane, Washington, USA
| | - Mahamudul Haque
- Department of Pharmaceutical Sciences, College of Pharmacy, Washington State University, Spokane, Washington, USA
| | - Douglas Leaman
- Department of Pharmacology, University of Toledo, Toledo, Ohio, USA
| | - Sadik Khuder
- Department of Medicine, University of Toledo, Toledo, Ohio, USA
- Department of Public Health, University of Toledo, Toledo, Ohio, USA
| | - Salahuddin Ahmed
- Department of Pharmaceutical Sciences, College of Pharmacy, Washington State University, Spokane, Washington, USA
- Division of Rheumatology, University of Washington School of Medicine, Seattle, Washington, USA
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Williams B, Dharmapatni A, Crotti T. Intracellular apoptotic pathways: a potential target for reducing joint damage in rheumatoid arthritis. Inflamm Res 2017; 67:219-231. [DOI: 10.1007/s00011-017-1116-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 10/19/2017] [Accepted: 11/13/2017] [Indexed: 12/24/2022] Open
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Tavasolian F, Abdollahi E, Rezaei R, Momtazi-Borojeni AA, Henrotin Y, Sahebkar A. Altered Expression of MicroRNAs in Rheumatoid Arthritis. J Cell Biochem 2017; 119:478-487. [PMID: 28598026 DOI: 10.1002/jcb.26205] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Accepted: 06/08/2017] [Indexed: 12/14/2022]
Abstract
Rheumatoid arthritis is one of the most common types of inflammatory joint diseases. Women, smokers, and people with positive family history are more susceptible to this disease. Diagnostic criteria include at least one swollen joint that has not been caused by other diseases. MicroRNAs are non-coding RNAs that are evolutionarily conserved and have a length of 18-25 nucleotides. MicroRNAs control gene expression at the post-transcriptional level via promoting mRNA degradation or translational repression. Recognition of alterations in microRNA status and their respective targets, may offer an opportunity to better identify the pathways that are involved in the etiopathogenesis of autoimmune diseases. It has been suggested that microRNAs may serve as potential biomarkers for both diagnosis and prognosis of autoimmune diseases. Here, we review the available evidence on the deregulations of microRNA expression in rheumatoid arthritis. More precisely, this review focuses on the microRNA involved in T cell regulation and gives perspectives on the use of this microRNA as biomarkers of diagnosis, prognosis, or intervention efficacy. J. Cell. Biochem. 119: 478-487, 2018. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Fataneh Tavasolian
- Faculty of Medicine, Tarbiat Modares University of Medical Science, Tehran, Iran
| | - Elham Abdollahi
- Student Research Committee, School of Medicine, Mashhad University of Medical Science, Mashhad, Iran
| | - Ramin Rezaei
- Clinical Research Unit, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amir Abbas Momtazi-Borojeni
- Nanotechnology Research Center, Department of Medical Biotechnology, Student Research Committee, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Yves Henrotin
- Bone and Cartilage Research Unit, Arthropôle Liege, University of Liege, Liege, Belgium.,Department of Physical Therapy and Rehabilitation, Princess Paola Hospital, Vivalia, Marche-en-Famenne, Belgium
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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The inflammatory role of phagocyte apoptotic pathways in rheumatic diseases. Nat Rev Rheumatol 2017; 12:543-58. [PMID: 27549026 DOI: 10.1038/nrrheum.2016.132] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Rheumatoid arthritis affects nearly 1% of the world's population and is a debilitating autoimmune condition that can result in joint destruction. During the past decade, inflammatory functions have been described for signalling molecules classically involved in apoptotic and non-apoptotic death pathways, including, but not limited to, Toll-like receptor signalling, inflammasome activation, cytokine production, macrophage polarization and antigen citrullination. In light of these remarkable advances in the understanding of inflammatory mechanisms of the death machinery, this Review provides a snapshot of the available evidence implicating death pathways, especially within the phagocyte populations of the innate immune system, in the perpetuation of rheumatoid arthritis and other rheumatic diseases. Elevated levels of signalling mediators of both extrinsic and intrinsic apoptosis, as well as the autophagy, are observed in the joints of patients with rheumatoid arthritis. Furthermore, risk polymorphisms are present in signalling molecules of the extrinsic apoptotic and autophagy death pathways. Although research into the mechanisms underlying these pathways has made considerable progress, this Review highlights areas where further investigation is particularly needed. This exploration is critical, as new discoveries in this field could lead to the development of novel therapies for rheumatoid arthritis and other rheumatic diseases.
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Zhu LJ, Yang TC, Wu Q, Yuan LP, Chen ZW, Luo MH, Zeng HO, He DL, Mo CJ. Tumor necrosis factor receptor-associated factor (TRAF) 6 inhibition mitigates the pro-inflammatory roles and proliferation of rheumatoid arthritis fibroblast-like synoviocytes. Cytokine 2017; 93:26-33. [PMID: 28506571 DOI: 10.1016/j.cyto.2017.05.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Revised: 05/02/2017] [Accepted: 05/02/2017] [Indexed: 01/22/2023]
Abstract
BACKGROUND Rheumatoid arthritis (RA) fibroblast-like synoviocytes (FLSs) play a crucial role in RA through producing inflammatory cytokines and proteases which could cause cartilage destruction. We showed previously that elevated expression of tumor necrosis factor receptor-associated factor 6 (TRAF6) in RA synovium correlated significantly with the severity of synovitis and the number of infiltrated inflammatory cells. The aims of this study are to detect the roles of TRAF6 in RA-FLSs. METHODS Synovium were collected by closed needle biopsy from inflamed knees of active RA patients, and FLSs were isolated by modified tissue culture method. Expression of TRAF6 and CD55 in RA synivium was tested by double immunofluorescence (IF) staining. TRAF6 in RA-FLSs was inhibited using Lentiviral-TRAF6-shRNA transfection. Real-time PCR and ELISA were used to detect the mRNA expression and secretion of matrix metalloproteinase (MMP) and pro-inflammatory cytokines. Cell Counting Kit-8 was used to detect cell proliferation, flow cytometry was used to detect cell cycle, and Annexin V assay was used to detect cell apoptosis. RESULTS We showed that in the intimal and subintimal area of RA synovium, TRAF6 was expressed obviously not only in CD55+ cells, but also in some other CD55- cells. TRAF6 expression in RA-FLSs was suppressed effectively by Lentiviral-TRAF6-shRNA transfection. Inhibition of TRAF6 in RA-FLSs mitigated the mRNA levels and secretion of pro-inflammatory cytokines and MMPs, such as IL-1β, IL-8, IL-6, TNF-α, MMP-13, and MMP-3. In addition, it decreased the proliferation of RA-FLSs, blocked RA-FLSs in G0/G1-phase, and inhibited the cells to go into S-phase and G2/M-phase, but not facilitated apoptosis of RA-FLSs. CONCLUSION TRAF6 plays direct roles in the pro-inflammatory effects and proliferation of RA-FLSs. TRAF6 may serve as a potential treatment target in RA.
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Affiliation(s)
- Lang-Jing Zhu
- Department of Nephrology, The Eighth Affiliated Hospital, Sun Yat-Sen University, Shenzhen 518033, PR China; Department of Rheumatology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, PR China.
| | - Tie-Cheng Yang
- Department of Nephrology, The Eighth Affiliated Hospital, Sun Yat-Sen University, Shenzhen 518033, PR China
| | - Qiang Wu
- Department of Nephrology, The Eighth Affiliated Hospital, Sun Yat-Sen University, Shenzhen 518033, PR China
| | - Li-Ping Yuan
- Department of Nephrology, The Eighth Affiliated Hospital, Sun Yat-Sen University, Shenzhen 518033, PR China
| | - Zhen-Wei Chen
- Department of Nephrology, The Eighth Affiliated Hospital, Sun Yat-Sen University, Shenzhen 518033, PR China
| | - Min-Hong Luo
- Department of Nephrology, The Eighth Affiliated Hospital, Sun Yat-Sen University, Shenzhen 518033, PR China
| | - Hai-Ou Zeng
- Department of Nephrology, The Eighth Affiliated Hospital, Sun Yat-Sen University, Shenzhen 518033, PR China
| | - Dong-Ling He
- Department of Nephrology, The Eighth Affiliated Hospital, Sun Yat-Sen University, Shenzhen 518033, PR China
| | - Cai-Ju Mo
- Department of Nephrology, The Eighth Affiliated Hospital, Sun Yat-Sen University, Shenzhen 518033, PR China
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Ge FX, Li H, Yin X. Upregulation of microRNA-125b-5p is involved in the pathogenesis of osteoarthritis by downregulating SYVN1. Oncol Rep 2017; 37:2490-2496. [PMID: 28260078 DOI: 10.3892/or.2017.5475] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2016] [Accepted: 10/31/2016] [Indexed: 11/05/2022] Open
Abstract
Osteoarthritis (OA) is a degenerative disease characterized by deterioration of articular cartilage. The aim of this study was to identify and characterize the expression of microRNA-125b-5p (miR-125b-5p) in normal and OA synovial cells, and to determine its role in OA pathogenesis. First, the levels of miR-125b-5p and synoviolin 1 (SYVN1) were detected among normal, mild OA and severe OA groups with the use of quantitative PCR. Computational analysis was used to search for the target of the miR-125b-5p, and luciferase reporter assay system was used to validate SYVN1 as the target gene of miR-125b-5p. Then the SYVN1 expression level of cells transfected with miR-125b-5p mimics or inhibitors was estimated using quantitative PCR and western blotting. Finally, MTT assay was employed to estimate the effect of miR-125b-5p on apoptosis. We enrolled 36 participants consisting of 12 normal control, 12 mild OA and 12 severe OA, furthermore, we performed quantitative PCR to detect the levels of miR-125b-5p and SYVN1 among those groups, and found that miR-125b-5p was expressed at highest level in severe OA compared with normal control and mild OA groups, while SYVN1 was expressed at the lowest level in severe OA. Additionally, we identified that SYVN1 is a target of miR-125b-5p by using computational analysis and luciferase assay. Transfection with miR-125b-5p mimic or inhibitor was employed to investigate the effect of miR-125b-5p on expression of SYVN1 in synovial cells, and synovial cell viability and apoptosis, and the results showed that miR-125b-5p mimics significant decreased the expression of SYVN1, a substantially promoted apoptosis of synovial cells, while miR-125b-5p inhibitors remarkably increased the level of SYVN1, and substantially suppressed apoptosis of synovial cells. The data suggested that miR-125b-5p promoted apoptosis of synovial cells through targeting SYVN1 gene, with important implication for validating miR-125b-5p as a potential target for OA therapy.
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Affiliation(s)
- Feng-Xiao Ge
- Department of Orthopedics, The People's Hospital of Linyi, Linyi, Shandong 276000, P.R. China
| | - Haitao Li
- Department of Orthopedics, The People's Hospital of Linyi, Linyi, Shandong 276000, P.R. China
| | - Xin Yin
- Department of Orthopedics, The People's Hospital of Linyi, Linyi, Shandong 276000, P.R. China
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Interleukin-35 (IL-35) inhibits proliferation and promotes apoptosis of fibroblast-like synoviocytes isolated from mice with collagen-induced arthritis. Mol Biol Rep 2016; 43:947-56. [PMID: 27379996 DOI: 10.1007/s11033-016-4034-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Accepted: 06/29/2016] [Indexed: 01/13/2023]
Abstract
Rheumatoid arthritis (RA) is an inflammatory disorder of the joints that affects 0.5-1 % of adults. Excessive growth of the fibroblast-like synoviocytes (FLS) promotes hyperplasia of synovial tissues and causes its invasion into the bone and cartilage, which eventually causes deformity and dysfunction of affected joints. Interleukin 35 (IL-35) was shown to suppress the inflammatory responses to collagen-induced arthritis (CIA) via upregulation of T regulatory cells and suppression of T helper type 17 cells in a mouse model. To study the effects of IL-35 on the proliferation and apoptosis frequency of cultured FLS isolated from mice with CIA as well as to examine the effects of IL-35 on CIA in vivo. Thirty DBA/1 J mice, which are used as an animal model for RA, were divided randomly (ten mice per group) to a CIA group (collagen treatment), a CIA + IL-35 group (collagen and IL-35 treatments), and a control group (no treatment). Starting on the 24th day after collagen administration, IL-35 was injected intraperitoneally into mice of the CIA + IL-35 group once per day for 10 days. An arthritis index was calculated, and pathological analysis of synovial tissue was performed. FLS isolated from CIA mice were treated with various concentrations of IL-35 (12.5-100 ng/ml). The MTT assay was used to examine FLS proliferation, and apoptosis frequency of FLS was detected by flow cytometry. On day 24, the CIA mice began to exhibit arthritis symptoms, and the symptoms rapidly progressed with time. Treatment with IL-35 significantly alleviated arthritis symptoms and reduced the synovial tissue inflammation. In addition, IL-35 treatment inhibited proliferation and promoted apoptosis in cultured FLS from CIA mice in a dose-dependent manner. IL-35 could ameliorate the symptoms of arthritis in the CIA mouse model in vivo and inhibited FLS proliferation while promoting FLS apoptosis in vitro, thereby exhibited the potential in inhibiting the progression of RA.
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Yang S, Jiang S, Wang Y, Tu S, Wang Z, Chen Z. Interleukin 34 Upregulation Contributes to the Increment of MicroRNA 21 Expression through STAT3 Activation Associated with Disease Activity in Rheumatoid Arthritis. J Rheumatol 2016; 43:1312-9. [PMID: 27084907 DOI: 10.3899/jrheum.151253] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/01/2016] [Indexed: 11/22/2022]
Abstract
OBJECTIVE Interleukin 34 (IL-34) and microRNA 21 (miR-21) were found to be involved in the pathological process of rheumatoid arthritis (RA), but the details were unclear. In this study, we aimed to clarify the relationship between IL-34 and miR-21 in RA. METHODS IL-34 concentrations in serum and synovial fluid (SF) of patients with RA were measured by ELISA. Fibroblast-like synovial cells (FLS) were cultured for evaluation of STAT3 activation, miR-21, and Bax/Bcl-2 expression by Western blot and real-time PCR. Correlations were analyzed between clinical features and detectable variables including SF IL-34 levels and miR-21 expression. RESULTS SF IL-34 levels were significantly higher in patients with RA who had a high 28-joint Disease Activity Score (DAS28 ≥ 3.2) than in those with a lower DAS28 (DAS28 < 3.2). DAS28 scores and miR-21 expression in FLS had a significant positive correlation with the SF IL-34 levels. In addition, IL-34 stimulation strengthened the activation of p-STAT3, resulting in the increment of miR-21 expression. Inhibiting of miR-21 expression contributed to decreased Bcl-2/Bax ratio, suggesting that miR-21 was involved in the resistance to apoptosis. With the blocking of the colony-stimulating factor-1 receptor (CSF1R), decreased protein expressions including CSF1R, p-STAT3/STAT3, and Bcl-2/Bax were shown, suggesting that CSF1R participated in the biological functions of IL-34 in RA. CONCLUSION The IL-34/STAT3/miR-21 pathway is crucial for the survival of synovial fibroblasts in RA, which might be candidate therapeutic targets for RA treatment.
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Affiliation(s)
- Sisi Yang
- From the Department of Geriatrics, and Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; Department of Pathogen Biology, Basic Medical College, Hubei University of Chinese Medicine, Wuhan, China.S. Yang, PhD, Department of Geriatrics, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; S. Jiang, PhD, Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; Y. Wang, PhD, Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; S. Tu, PhD, Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; Z. Wang, PhD, Department of Pathogen Biology, Basic Medical College, Hubei University of Chinese Medicine; Z. Chen, PhD, Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology
| | - Shujun Jiang
- From the Department of Geriatrics, and Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; Department of Pathogen Biology, Basic Medical College, Hubei University of Chinese Medicine, Wuhan, China.S. Yang, PhD, Department of Geriatrics, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; S. Jiang, PhD, Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; Y. Wang, PhD, Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; S. Tu, PhD, Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; Z. Wang, PhD, Department of Pathogen Biology, Basic Medical College, Hubei University of Chinese Medicine; Z. Chen, PhD, Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology
| | - Yu Wang
- From the Department of Geriatrics, and Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; Department of Pathogen Biology, Basic Medical College, Hubei University of Chinese Medicine, Wuhan, China.S. Yang, PhD, Department of Geriatrics, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; S. Jiang, PhD, Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; Y. Wang, PhD, Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; S. Tu, PhD, Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; Z. Wang, PhD, Department of Pathogen Biology, Basic Medical College, Hubei University of Chinese Medicine; Z. Chen, PhD, Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology
| | - Shenghao Tu
- From the Department of Geriatrics, and Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; Department of Pathogen Biology, Basic Medical College, Hubei University of Chinese Medicine, Wuhan, China.S. Yang, PhD, Department of Geriatrics, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; S. Jiang, PhD, Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; Y. Wang, PhD, Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; S. Tu, PhD, Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; Z. Wang, PhD, Department of Pathogen Biology, Basic Medical College, Hubei University of Chinese Medicine; Z. Chen, PhD, Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology
| | - Zhigang Wang
- From the Department of Geriatrics, and Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; Department of Pathogen Biology, Basic Medical College, Hubei University of Chinese Medicine, Wuhan, China.S. Yang, PhD, Department of Geriatrics, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; S. Jiang, PhD, Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; Y. Wang, PhD, Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; S. Tu, PhD, Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; Z. Wang, PhD, Department of Pathogen Biology, Basic Medical College, Hubei University of Chinese Medicine; Z. Chen, PhD, Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology.
| | - Zhe Chen
- From the Department of Geriatrics, and Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; Department of Pathogen Biology, Basic Medical College, Hubei University of Chinese Medicine, Wuhan, China.S. Yang, PhD, Department of Geriatrics, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; S. Jiang, PhD, Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; Y. Wang, PhD, Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; S. Tu, PhD, Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology; Z. Wang, PhD, Department of Pathogen Biology, Basic Medical College, Hubei University of Chinese Medicine; Z. Chen, PhD, Department of Integrated Chinese Traditional and Western Medicine, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology.
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Fas/FasL, Bcl2 and Caspase-8 gene polymorphisms in Chinese patients with rheumatoid arthritis. Rheumatol Int 2016; 36:807-18. [PMID: 26905515 DOI: 10.1007/s00296-016-3443-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2015] [Accepted: 02/10/2016] [Indexed: 12/19/2022]
Abstract
Apoptosis signals are necessary for maintaining homeostasis and an adequate immune response. Dysregulation of apoptosis-related genes in the immune system has an important impact on autoimmune diseases such as rheumatoid arthritis (RA). Thus, we investigated the association between Fas rs2234767 G/A, FasL rs763110 C/T, Bcl2 rs12454712 T/C, Bcl2 rs17757541 C/G, and Caspase-8 rs1035142 G/T polymorphisms and RA susceptibility in a Chinese population. These five single-nucleotide polymorphisms (SNPs) were studied in a Chinese population consisting of 615 patients with RA and 839 controls. Genotyping was performed using a custom-by-design 48-Plex SNP scan TM kit. Furthermore, we undertook a meta-analysis between FasL rs763110 C/T and RA. This study indicated that Fas rs2234767 and Bcl2 rs17757541 polymorphisms were risk factors for RA. No association was observed between FasL rs763110 C/T, Bcl2 rs12454712 T/C, and Caspase-8 rs1035142 G/T polymorphisms and RA in this study. The results of this meta-analysis suggested no significant association between FasL rs763110 C/T and RA. However, stratification analysis of this meta-analysis indicated that FasL rs763110 C/T increased the risk of Caucasian RA patients. In conclusion, this study demonstrated that Fas rs2234767 G/A and Bcl2 rs17757541 T/C polymorphisms might be associated with an increased risk of RA. This meta-analysis revealed that FasL rs763110 C/T was associated with an increased risk of Caucasian RA patients.
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Dai Y, Hu S. Recent insights into the role of autophagy in the pathogenesis of rheumatoid arthritis. Rheumatology (Oxford) 2015; 55:403-10. [PMID: 26342228 DOI: 10.1093/rheumatology/kev337] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2015] [Indexed: 12/19/2022] Open
Abstract
Autophagy appears to play a dual role in eukaryotic cells. It manifests cytoprotective effects through the regulation of catabolic processes and the clearance of pathogens; however, a correlation between autophagy and the pathogenesis of autoimmune/autoinflammatory conditions has recently been described. Autophagy has emerged as a mediator in the pathogenesis of RA. Autophagy may regulate apoptosis resistance and hyperplasia in synovial fibroblasts, promote osteoclastogenesis and stimulate osteoclast-mediated bone resorption through the delivery of citrullinated peptides to MHC compartments, which results in the activation of the innate and adaptive immune response, thereby resulting in RA. Given the likely importance of autophagy in the pathogenesis of RA, here we reviewed the detailed mechanisms concerning the pathogenicity of autophagy and autophagy proteins in RA.
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Affiliation(s)
- Yujie Dai
- Department of Rheumatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shaoxian Hu
- Department of Rheumatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Park JY, Loh S, Cho EH, Choi HJ, Na TY, Nemeno JGE, Lee JI, Yoon TJ, Choi IS, Lee M, Lee JS, Kang YS. SIGN-R1 and complement factors are involved in the systemic clearance of radiation-induced apoptotic cells in whole-body irradiated mice. Biochem Biophys Res Commun 2015; 463:1064-70. [PMID: 26079881 DOI: 10.1016/j.bbrc.2015.06.059] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2015] [Accepted: 06/08/2015] [Indexed: 10/23/2022]
Abstract
Although SIGN-R1-mediated complement activation pathway has been shown to enhance the systemic clearance of apoptotic cells, the role of SIGN-R1 in the clearance of radiation-induced apoptotic cells has not been characterized and was investigated in this study. Our data indicated that whole-body γ-irradiation of mice increased caspase-3(+) apoptotic lymphocyte numbers in secondary lymphoid organs. Following γ-irradiation, SIGN-R1 and complements (C4 and C3) were simultaneously increased only in the mice spleen tissue among the assessed tissues. In particular, C3 was exclusively activated in the spleen. The delayed clearance of apoptotic cells was markedly prevalent in the spleen and liver of SIGN-R1 KO mice, followed by a significant increase of CD11b(+) cells. These results indicate that SIGN-R1 and complement factors play an important role in the systemic clearance of radiation-induced apoptotic innate immune cells to maintain tissue homeostasis after γ-irradiation.
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Affiliation(s)
- Jin-Yeon Park
- Department of Biomedical Science & Technology, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Seoul, 143-701, Republic of Korea
| | - SoHee Loh
- Department of Biomedical Science & Technology, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Seoul, 143-701, Republic of Korea
| | - Eun-hee Cho
- Department of Biomedical Science & Technology, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Seoul, 143-701, Republic of Korea
| | - Hyeong-Jwa Choi
- Division of Radiation Effect, Korea Institute of Radiological and Medical Sciences, 215-4, 75 Nowon gil Nowon-Gu, Seoul, 139-706, Republic of Korea
| | - Tae-Young Na
- College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 151-741, Republic of Korea
| | - Judee Grace E Nemeno
- Regenerative Medicine Laboratory, Department of Veterinary Medicine, College of Veterinary Medicine, Konkuk University, Seoul, 143-701, Republic of Korea
| | - Jeong Ik Lee
- Regenerative Medicine Laboratory, Department of Veterinary Medicine, College of Veterinary Medicine, Konkuk University, Seoul, 143-701, Republic of Korea
| | - Taek Joon Yoon
- Department of Food and Nutrition, Yuhan College, Bucheon, Gyeonggi-do, 422-749, Republic of Korea
| | - In-Soo Choi
- Department of Infectious Diseases, College of Veterinary Medicine, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Seoul, 143-701, Republic of Korea
| | - Minyoung Lee
- Division of Radiation Effect, Korea Institute of Radiological and Medical Sciences, 215-4, 75 Nowon gil Nowon-Gu, Seoul, 139-706, Republic of Korea
| | - Jae-Seon Lee
- Department of Biomedical Sciences, College of Medicine, Inha University, Incheon, 400-712, Republic of Korea
| | - Young-Sun Kang
- Department of Biomedical Science & Technology, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Seoul, 143-701, Republic of Korea; Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Seoul, 143-701, Republic of Korea.
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Fan SS, Zong M, Zhang H, Lu Y, Lu TB, Fan LY. Decreased expression of alpha-enolase inhibits the proliferation of hypoxia-induced rheumatoid arthritis fibroblasts-like synoviocytes. Mod Rheumatol 2015; 25:701-7. [DOI: 10.3109/14397595.2015.1014141] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Lunasin inhibits cell proliferation via apoptosis and reduces the production of proinflammatory cytokines in cultured rheumatoid arthritis synovial fibroblasts. BIOMED RESEARCH INTERNATIONAL 2015; 2015:346839. [PMID: 25692134 PMCID: PMC4322854 DOI: 10.1155/2015/346839] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Revised: 01/06/2015] [Accepted: 01/06/2015] [Indexed: 11/24/2022]
Abstract
Lunasin, a peptide with 43 amino acid residues and initially isolated and identified in soybean cotyledon, has gained extensive attention due to its anti-inflammatory and anticancer properties. However, its treatment efficacy on rheumatoid arthritis (RA) and corresponding mechanisms have not been reported. Herein, the synovial fibroblasts harvested and isolated from patients with RA were treated with lunasin at various concentrations to examine the proliferation, apoptosis status, and corresponding cell cycle of cultured RA synovial fibroblasts. Meanwhile, the underlying mechanisms of lunasin for RA treatment are explored through Western blot, real-time PCR, ELISA, and luciferase reporter assays. Lunasin significantly inhibited the proliferation and induced the apoptosis of cultured RA synovial fibroblasts. In addition, lunasin reduced the production of interleukin-6 (IL-6), IL-8, and matrix metalloproteinase-3 (MMP-3) and suppressed the activation of NF-κB in cultured RA synovial fibroblasts but did not reveal obvious modulation on the secretion and gene expression of MMP-1. Therefore, lunasin will have promising potential as a novel nutritional supplement or drug candidate for RA due to its potency of suppressing synovial cell proliferation and decreasing the production of proinflammatory cytokines and MMPs in synovial cells.
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Chondrosenescence: definition, hallmarks and potential role in the pathogenesis of osteoarthritis. Maturitas 2014; 80:237-44. [PMID: 25637957 DOI: 10.1016/j.maturitas.2014.12.003] [Citation(s) in RCA: 141] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2014] [Accepted: 12/06/2014] [Indexed: 01/07/2023]
Abstract
Aging and inflammation are major contributing factors to the development and progression of arthritic and musculoskeletal diseases. "Inflammaging" refers to low-grade inflammation that occurs during physiological aging. In this paper we review the published literature on cartilage aging and propose the term "chondrosenescence" to define the age-dependent deterioration of chondrocyte function and how it undermines cartilage function in osteoarthritis. We propose the concept that a small number of senescent chondrocytes may be able to take advantage of the inflammatory tissue microenvironment and the inflammaging and immunosenescence that is concurrently occurring in the arthritic joint, further contributing to the age-related degradation of articular cartilage, subchondral bone, synovium and other tissues. In this new framework "chondrosenescence" is intimately linked with inflammaging and the disturbed interplay between autophagy and inflammasomes, thus contributing to the age-related increase in the prevalence of osteoarthritis and a decrease in the efficacy of articular cartilage repair. A better understanding of the basic mechanisms underlying chondrosenescence and its modification by drugs, weight loss, improved nutrition and physical exercise could lead to the development of new therapeutic and preventive strategies for osteoarthritis and a range of other age-related inflammatory joint diseases. Aging is inevitable but age-related diseases may be modifiable.
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van der Geest KSM, Smigielska-Czepiel K, Park JA, Abdulahad WH, Kim HW, Kroesen BJ, van den Berg A, Boots AMH, Lee EB, Brouwer E. SF Treg cells transcribing high levels of Bcl-2 and microRNA-21 demonstrate limited apoptosis in RA. Rheumatology (Oxford) 2014; 54:950-8. [DOI: 10.1093/rheumatology/keu407] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2014] [Indexed: 11/14/2022] Open
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Chen S, Yang Y, Feng H, Wang H, Zhao R, Liu H. Baicalein inhibits interleukin-1β-induced proliferation of human rheumatoid arthritis fibroblast-like synoviocytes. Inflammation 2014; 37:163-9. [PMID: 24005900 DOI: 10.1007/s10753-013-9725-9] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Baicalein shows anti-inflammatory effects in human rheumatoid arthritis fibroblast-like synoviocytes (RAFLS). Considering its anti-proliferatory effects on various cancer cells, we investigated the effects of baicalein on interleukin-1 beta (IL-1β)-induced proliferation of human RAFLS. Cell proliferation was examined by (3)H-thymidine incorporation assay. Western blot analysis was performed to assess the phosphorylation of extracellular regulating kinase (ERK), p38, and c-Jun N-terminal kinase, and nuclear translocation of nuclear factor kappa B (NF-κB) subunit p65. Notably, baicalein significantly suppressed IL-1β-mediated RAFLS proliferation (P < 0.05), along with reduced ERK1/2 and p38 phosphorylation. The IL-1β-induced p65 nuclear translocation and NF-κB DNA binding activity was significantly decreased by baicalein. Additionally, the inhibitory effects of baicalein on IL-1β-induced proliferation of RAFLS were dose-dependently reversed by the addition of recombinant macrophage migration inhibitory factory (MIF). Our results indicate that baicalein inhibits IL-1β-induced RAFLS proliferation, which involves suppression of NF-κB transcriptional activity and MIF-mediated signaling.
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Affiliation(s)
- Shuo Chen
- Department of Orthopedics, The 97th Hospital of PLA, Xuzhou, 221004, Jiangsu, China
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Li X, Zhang Z, Peng A, He M, Xu J, Shen S, Zhuang J, Huang X. Effect of CD95 on inflammatory response in rheumatoid arthritis fibroblast-like synoviocytes. Cell Immunol 2014; 290:209-16. [PMID: 25084560 DOI: 10.1016/j.cellimm.2014.07.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2013] [Revised: 06/18/2014] [Accepted: 07/14/2014] [Indexed: 12/31/2022]
Abstract
OBJECTIVE Many CD95-expressing cells don't always undergo apoptosis after stimulation with CD95 ligation. The purpose of this paper is to investigate the role of expression of CD95 (Fas/Apo1) on inflammatory response in fibroblast-like synoviocytes (FLS) obtained from rheumatoid arthritis (RA) and to evaluate the role of phosphatidylinositol 3-kinase (PI3K)/protein kinase B (PKB or Akt) pathways within this process. METHODS The expression levels of CD95 were monitored by immunohistochemistry and reverse transcription polymerase chain reaction (RT-PCR). Apoptotic cells were detected by in situ apoptosis detection (TUNEL) assay. The RA-FLS were treated with agonistic anti-CD95 antibody or CD95 siRNA. Then the proliferation was detected by CCK-8, and mRNA level of inflammatory cytokines was detected by RT-PCR. After the RA-FLS were treated with agonistic anti-CD95 antibody, the total Akt and pAkt protein expression was analyzed by Western blot, and the changes mentioned above were observed while pre-incubated with the PI3K inhibitor LY294002. RESULTS A significant increase of CD95 antigen was found in RA compared with osteoarthritis (OA) samples, while apoptosis in RA synovial tissue was not obvious. Low concentrations of agonistic anti-CD95 antibody could promote RA-FLS growth and interleukin-6 (IL-6) mRNA expression, while high concentrations could induce apoptosis. And both of these phenomena could be inhibited by CD95 siRNA. Agonistic anti-CD95 antibody could stimulate the expression of pAkt, and PI3K specific inhibitor LY294002 could induce opposite changes. CONCLUSION Stimulation of CD95 could promote RA-FLS proliferation and inflammation, and activation of the PI3K/Akt signaling pathway might be the possible mechanism.
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Affiliation(s)
- Xiaoqiong Li
- Department of Laboratory Science, Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510120, PR China
| | - Zhanfeng Zhang
- Department of Laboratory Science, Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510120, PR China
| | - Anping Peng
- Department of Laboratory Science, Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510120, PR China
| | - Min He
- Department of Laboratory Science, Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510120, PR China
| | - Jianhua Xu
- Department of Laboratory Science, Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510120, PR China
| | - Sujing Shen
- Department of Laboratory Science, Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510120, PR China
| | - Junhua Zhuang
- Department of Laboratory Science, Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510120, PR China
| | - Xianzhang Huang
- Department of Laboratory Science, Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510120, PR China.
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