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Wei J, Tang Y, Qin S, Ma X, Zhong W, Yang P, Deng Q, Ma J. Laggera alata Attenuates Inflammatory Response by Regulating Macrophage Polarization in Rheumatoid Arthritis Mice. Mol Biotechnol 2024; 66:1934-1941. [PMID: 37493934 DOI: 10.1007/s12033-023-00808-w] [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: 02/26/2023] [Accepted: 06/22/2023] [Indexed: 07/27/2023]
Abstract
Rheumatoid arthritis (RA) is a type of joint injury, which can induce the activation of inflammatory factors and polarization of tissue macrophages. Total phenolics from Laggera alata (TPLA) has been reported to exhibit anti-inflammatory effect in various diseases. However, its specific function in RA is still unknown. Here, the protective properties of TPLA were studied in collagen-induced arthritis (CIA)-induced RA mice. RA mouse model was established through the CIA induction. Arthritis score, hind paw thickness, and the body weight of the RA mice were evaluated in each group. H&E staining was conducted in hind paw and joint tissues for histopathological staining. The distal femur was analyzed by microCT, and bone loss-related indicators were assessed. The expression of macrophage polarization markers was detected by immunofluorescence staining in RA mice. The serum levels of inflammatory markers were determined by enzyme-linked immunosorbent assay (ELISA). TPLA reduced the CIA-induced arthritis score and hind paw thickness in mice. The body weight of the CIA mouse was significantly increased by TPLA treatment. TPLA improved the CIA-induced histopathological changes in the hind paw and joint tissues from the mice. TPLA inhibited the bone loss and alleviated bone destruction in CIA mouse model. TPLA altered the macrophage phenotype from M1 macrophages into M2 in CIA mice. TPLA suppressed the levels of inflammatory markers both in the serum and joint tissues of the CIA mice. TPLA mitigated RA development by suppressing inflammatory reaction through the inhibition of M1 microphage polarization.
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Affiliation(s)
- Jiangcun Wei
- Zhuangyao Medicine Preparation Center, Guangxi International Zhuang Medicine Hospital Affiliated to Guangxi University of Chinese Medicine, Nanning, 530201, Guangxi, China
| | - Yunli Tang
- College of Pharmacy, Guangxi University of Chinese Medicine, Nanning, 530200, Guangxi, China
| | - Suhong Qin
- Department of Medicine, The First Affiliated Hospital of Guangxi University of Chinese Medicine, Building c03, Zhongmeng Industrial Park, No.5 Guangxin Road, Pumiao Town, Yongning District, Nanning, 530299, Guangxi, China
| | - Xiumei Ma
- Department of Paediatrics, Guangxi International Zhuang Medicine Hospital Affiliated to Guangxi University of Chinese Medicine, Nanning, 530201, Guangxi, China
| | - Wen Zhong
- Zhuangyao Medicine Preparation Center, Guangxi International Zhuang Medicine Hospital Affiliated to Guangxi University of Chinese Medicine, Nanning, 530201, Guangxi, China
| | - Peng Yang
- Department of Scientific Research, Guangxi International Zhuang Medicine Hospital Affiliated to Guangxi University of Chinese Medicine, Nanning, 530201, Guangxi, China
| | - Qingmei Deng
- College of Pharmacy, Guangxi University of Chinese Medicine, Nanning, 530200, Guangxi, China
| | - Jiabao Ma
- Department of Medicine, The First Affiliated Hospital of Guangxi University of Chinese Medicine, Building c03, Zhongmeng Industrial Park, No.5 Guangxin Road, Pumiao Town, Yongning District, Nanning, 530299, Guangxi, China.
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Yan Q, Liu H, Sun S, Yang Y, Fan D, Yang Y, Zhao Y, Song Z, Chen Y, Zhu R, Zhang Z. Adipose-derived stem cell exosomes loaded with icariin alleviates rheumatoid arthritis by modulating macrophage polarization in rats. J Nanobiotechnology 2024; 22:423. [PMID: 39026367 PMCID: PMC11256651 DOI: 10.1186/s12951-024-02711-1] [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: 06/04/2024] [Accepted: 07/07/2024] [Indexed: 07/20/2024] Open
Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune disease marked by synovitis and cartilage destruction. The active compound, icariin (ICA), derived from the herb Epimedium, exhibits potent anti-inflammatory properties. However, its clinical utility is limited by its water insolubility, poor permeability, and low bioavailability. To address these challenges, we developed a multifunctional drug delivery system-adipose-derived stem cells-exosomes (ADSCs-EXO)-ICA to target active macrophages in synovial tissue and modulate macrophage polarization from M1 to M2. High-performance liquid chromatography analysis confirmed a 92.4 ± 0.008% loading efficiency for ADSCs-EXO-ICA. In vitro studies utilizing cellular immunofluorescence (IF) and flow cytometry demonstrated significant inhibition of M1 macrophage proliferation by ADSCs-EXO-ICA. Enzyme-linked immunosorbent assay, cellular transcriptomics, and real-time quantitative PCR indicated that ADSCs-EXO-ICA promotes an M1-to-M2 phenotypic transition by reducing glycolysis through the inhibition of the ERK/HIF-1α/GLUT1 pathway. In vivo, ADSCs-EXO-ICA effectively accumulated in the joints. Pharmacodynamic assessments revealed that ADSCs-EXO-ICA decreased cytokine levels and mitigated arthritis symptoms in collagen-induced arthritis (CIA) rats. Histological analysis and micro computed tomography confirmed that ADSCs-EXO-ICA markedly ameliorated synovitis and preserved cartilage. Further in vivo studies indicated that ADSCs-EXO-ICA suppresses arthritis by promoting an M1-to-M2 switch and suppressing glycolysis. Western blotting supported the therapeutic efficacy of ADSCs-EXO-ICA in RA, confirming its role in modulating macrophage function through energy metabolism regulation. Thus, this study not only introduces a drug delivery system that significantly enhances the anti-RA efficacy of ADSCs-EXO-ICA but also elucidates its mechanism of action in macrophage function inhibition.
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Affiliation(s)
- Qiqi Yan
- Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing, China
| | - Haixia Liu
- Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing, China
| | - Shiyue Sun
- Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yongsheng Yang
- Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, Beijing, China
| | - DanPing Fan
- Institute of Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yuqin Yang
- Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yukun Zhao
- Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing, China
| | - Zhiqian Song
- Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yanjing Chen
- Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing, China
| | - Ruyuan Zhu
- Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing, China.
| | - Zhiguo Zhang
- Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing, China.
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Downton P, Dickson SH, Ray DW, Bechtold DA, Gibbs JE. Fibroblast-like synoviocytes orchestrate daily rhythmic inflammation in arthritis. Open Biol 2024; 14:240089. [PMID: 38981514 DOI: 10.1098/rsob.240089] [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: 04/09/2024] [Accepted: 06/07/2024] [Indexed: 07/11/2024] Open
Abstract
Rheumatoid arthritis is a chronic inflammatory disease that shows characteristic diurnal variation in symptom severity, where joint resident fibroblast-like synoviocytes (FLS) act as important mediators of arthritis pathology. We investigate the role of FLS circadian clock function in directing rhythmic joint inflammation in a murine model of inflammatory arthritis. We demonstrate FLS time-of-day-dependent gene expression is attenuated in arthritic joints, except for a subset of disease-modifying genes. The deletion of essential clock gene Bmal1 in FLS reduced susceptibility to collagen-induced arthritis but did not impact symptomatic severity in affected mice. Notably, FLS Bmal1 deletion resulted in loss of diurnal expression of disease-modulating genes across the joint, and elevated production of MMP3, a prognostic marker of joint damage in inflammatory arthritis. This work identifies the FLS circadian clock as an influential driver of daily oscillations in joint inflammation, and a potential regulator of destructive pathology in chronic inflammatory arthritis.
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Affiliation(s)
- Polly Downton
- Centre for Biological Timing, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PT, UK
| | - Suzanna H Dickson
- Centre for Biological Timing, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PT, UK
| | - David W Ray
- NIHR Oxford Health Biomedical Research Centre and NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford OX3 9DU, UK
- Oxford Centre for Diabetes, Endocrinology and Metabolism, and Oxford Kavli Centre for Nanoscience Discovery, University of Oxford, Oxford OX3 7LE, UK
| | - David A Bechtold
- Centre for Biological Timing, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PT, UK
| | - Julie E Gibbs
- Centre for Biological Timing, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PT, UK
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Hu J, Liu X, Xu Q, Zhu M, Wang S, Quan K, Dai M, Mo F, Zhan H. Mechanism of lysine oxidase-like 1 promoting synovial inflammation mediating rheumatoid arthritis development. Aging (Albany NY) 2024; 16:928-947. [PMID: 38217541 PMCID: PMC10817408 DOI: 10.18632/aging.205429] [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: 07/20/2023] [Accepted: 12/01/2023] [Indexed: 01/15/2024]
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory joint disease that causes great distress to patients and society. Early diagnosis is the key to the successful treatment of RA. The basement membrane, one of the oldest tissue structures, is localized under the epithelium. Its complex composition and rich biological functions have made it a focus of research in recent years, while basement membrane-associated genetic variants are involved in most human disease processes. The aim of this study is to find new diagnostic biomarkers for RA and explore their role and possible mechanism in rheumatoid arthritis. The GSE12021, GSE55235 and GSE55457 datasets were downloaded from the GEO database. Their fraction associated with basement membrane genes was analyzed and differentially expressed genes between the disease and normal groups were explored. We identified two basement membrane-associated genes, lysine oxidase-like 1 (LOXL1) and discoid peptide receptor 2 (DDR2). Focusing on the more interesting LOXL1, we found that LOXL1 expression was significantly elevated in the synovium of patients with rheumatoid arthritis, and LOXL1 mRNA and protein levels were elevated in tumor necrosis factor α-stimulated human synovial sarcoma cells (SW982). And LOXL1 knockdown inhibited tumor necrosis factor α-induced inhibition in SW982 cells expression of inducible nitric oxide synthase (INOS), cyclooxygenase-2 (COX2), and interleukin-6 (IL-6). Interestingly, knockdown of LOXL1 inhibited the phosphorylation of PI3K and AKT. In summary, LOXL1 may become a novel diagnostic gene for RA, and knockdown of LoxL1 may inhibit synovial inflammation by affecting PI3K/AKT pathway.
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Affiliation(s)
- Jiawei Hu
- Department of Orthopedics, The 1st Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province 330006, China
| | - Xuqiang Liu
- Department of Orthopedics, The 1st Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province 330006, China
| | - Qiang Xu
- Department of Orthopedics, The 1st Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province 330006, China
| | - Meisong Zhu
- Department of Orthopedics, The 1st Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province 330006, China
| | - Song Wang
- Department of Orthopedics, The 1st Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province 330006, China
| | - Kun Quan
- Department of Orthopedics, The 1st Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province 330006, China
| | - Min Dai
- Department of Orthopedics, The 1st Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province 330006, China
| | - Fengbo Mo
- Department of Orthopedics, The 1st Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province 330006, China
| | - Haibo Zhan
- Department of Orthopedics, The 1st Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province 330006, China
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Goyal G, Kalonia H, Lather V. Therapeutic Potential of Catechin as an IKK-β Inhibitor for the Management of Arthritis: In vitro and In vivo Approach. JOURNAL OF PHARMACY AND BIOALLIED SCIENCES 2023; 15:172-179. [PMID: 38235046 PMCID: PMC10790745 DOI: 10.4103/jpbs.jpbs_280_23] [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: 03/23/2023] [Revised: 05/28/2023] [Accepted: 06/02/2023] [Indexed: 01/19/2024] Open
Abstract
Background Rheumatoid arthritis (RA) is associated with increased levels of cytokines, for instance, nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) and interleukin-1 (IL-1), which exhibit potent pro-inflammatory effects and are contributing factors to disease progression. A range of cytokines, cell adhesion molecules, and enzymes that are implicated in the debilitating effects of RA are transcribed by nuclear factor kappa. Objectives The purpose of this research was to characterize the efficacy of "catechin" as an IkappaB kinase-beta (IKK-β) inhibitor in collagen-induced arthritis (CIA) model in mice, as IKK-β is crucial in the transmission of signal-inducible NF-κβ activation. Methods Arthritis was brought on in Bagg and Albino, but it is written BALB/c (BALB/c) male mice through subcutaneous immunization with bovine type II collagen on days 0 and 21. Catechin is given orally every day after the onset of the disease. Clinical evaluation of the prevalence and severity of the condition was done throughout the trial, and biochemical testing was done at the end (day 42). Results In vitro findings of the study demonstrated catechin as a potent inhibitor of IKK-β with Half maximal Inhibitory Concentration (IC50) values of 2.90 μM and 4.358 μM in IKK-β and NF-κβ transactivation activity assay, respectively. Furthermore, catechin (dose range of 10-100 mg/kg, p.o.) was effective in reducing disease incidence and clinical signs in a dose-dependent manner, with an Effective Dose for 50% of the population (ED50) value of 79.579 mg/kg. The findings of this study demonstrate dose-dependent efficacy in terms of both disease severity (clinical scoring) and inflammatory markers (biochemical evaluation of the serum and joints). Conclusions IKK inhibitors are a prospective target for the creation of new therapeutics for arthritis and other inflammatory diseases because it has been suggested that this enzyme is crucial in the pathophysiology of RA. The finding of this study suggests that "catechin" represents a novel inhibitor of IKK-β with promising anti-inflammatory activity.
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Affiliation(s)
- Gourav Goyal
- Centre for Pharmaceutical Chemistry and Analysis, Amity Institute of Pharmacy, Amity University, Noida, Uttar Pradesh, India
| | - Harikesh Kalonia
- Wockhardt Research Centre, Wockhardt Pharmaceutical Pvt Ltd., Aurangabad, Maharashtra, India
| | - Viney Lather
- Centre for Pharmaceutical Chemistry and Analysis, Amity Institute of Pharmacy, Amity University, Noida, Uttar Pradesh, India
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Fechtner S, Allen BE, Chriswell ME, Jubair WK, Robertson CE, Kofonow JN, Frank DN, Holers VM, Kuhn KA. 3,3-dimethyl-1-butanol and its metabolite 3,3-dimethylbutyrate ameliorate collagen-induced arthritis independent of choline trimethylamine lyase activity. RESEARCH SQUARE 2023:rs.3.rs-3297018. [PMID: 37720032 PMCID: PMC10503834 DOI: 10.21203/rs.3.rs-3297018/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/19/2023]
Abstract
Previous studies have identified significant alterations in intestinal carnitine metabolism in mice with collagen-induced arthritis (CIA), potentially linking bacterial dysbiosis with autoimmunity. Bacterial trimethylamine (TMA) lyases metabolize dietary carnitine to TMA, which is oxidized in the liver to trimethylamine-N-oxide (TMAO). TMAO is associated with inflammatory diseases, such as atherosclerosis, whose immunologic processes mirror that of rheumatoid arthritis (RA). Therefore, we investigated the possibility of ameliorating CIA by inhibiting TMA lyase activity using 3,3-dimethyl-1-butanol (DMB) or fluoromethylcholine (FMC). During CIA, mice were treated with 1% vol/vol DMB, 100mg/kg FMC, or vehicle. DMB-treated mice demonstrated significant (>50%) reduction in arthritis severity compared to FMC and vehicle-treated mice. However, in contrast to FMC, DMB treatment did not reduce cecal TMA nor circulating TMAO concentrations. Using gas chromatography, we confirmed the effect of DMB is independent of TMA lyase inhibition. Further, we identified a novel host-derived metabolite of DMB, 3,3-dimethyl-1-butyric acid (DMBut), which also significantly reduced disease and proinflammatory cytokines in CIA mice. Altogether, our study suggests that DMB the immunomodulatory activity of DMB and/or its metabolites are protective in CIA. Elucidating its target and mechanism of action may provide new directions for RA therapeutic development.
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Chen M, Fu W, Xu H, Liu CJ. Tau deficiency inhibits classically activated macrophage polarization and protects against collagen-induced arthritis in mice. Arthritis Res Ther 2023; 25:146. [PMID: 37559125 PMCID: PMC10410869 DOI: 10.1186/s13075-023-03133-4] [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: 05/30/2023] [Accepted: 08/01/2023] [Indexed: 08/11/2023] Open
Abstract
BACKGROUND Tau protein serves a pro-inflammatory function in neuroinflammation. However, the role of tau in other inflammatory disorders such as rheumatoid arthritis (RA) is less explored. This study is to investigate the role of endogenous tau and the potential mechanisms in the pathogenesis of inflammatory arthritis. METHODS We established collagen-induced arthritis (CIA) model in wild-type and Tau-/- mice to compare the clinical score and arthritis incidence. Micro-CT analysis was used to evaluate bone erosion of ankle joints. Histological analysis was performed to assess inflammatory cell infiltration, cartilage damage, and osteoclast activity in the ankle joints. Serum levels of pro-inflammatory cytokines were measured by ELISA. The expression levels of macrophage markers were determined by immunohistochemistry staining and quantitative real-time PCR. RESULTS Tau expression was upregulated in joints under inflammatory condition. Tau deletion in mice exhibited milder inflammation and protected against the progression of CIA, evidenced by reduced serum levels of pro-inflammatory cytokines and attenuated bone loss, inflammatory cell infiltration, cartilage damage, and osteoclast activity in the ankle joints. Furthermore, tau deficiency led to the inhibition of classically activated type 1 (M1) macrophage polarization in the synovium. CONCLUSION Tau is a previously unrecognized critical regulator in the pathogenesis of RA and may provide a potential therapeutic target for autoimmune and inflammatory joint diseases.
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Affiliation(s)
- Meng Chen
- Department of Orthopaedic Surgery, New York University Grossman School of Medicine, New York, NY, USA
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Wenyu Fu
- Department of Orthopaedic Surgery, New York University Grossman School of Medicine, New York, NY, USA
- Department of Orthopaedics and Rehabilitation, Yale University School of Medicine, New Haven, CT, USA
| | - Huiyun Xu
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Chuan-Ju Liu
- Department of Orthopaedic Surgery, New York University Grossman School of Medicine, New York, NY, USA.
- Department of Orthopaedics and Rehabilitation, Yale University School of Medicine, New Haven, CT, USA.
- Department of Cell Biology, New York University Grossman School of Medicine, New York, NY, USA.
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Šteigerová M, Šíma M, Slanař O. Pathogenesis of Collagen-Induced Arthritis: Role of Immune Cells with Associated Cytokines and Antibodies, Comparison with Rheumatoid Arthritis. Folia Biol (Praha) 2023; 69:41-49. [PMID: 38063000 DOI: 10.14712/fb2023069020041] [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] [Indexed: 12/18/2023]
Abstract
Collagen-induced arthritis is the most com-mon in vivo model of rheumatoid arthritis used for investigation of new potential therapies in preclinical research. Rheumatoid arthritis is a systemic inflammatory and autoimmune disease affecting joints, accompanied by significant extra-articular symptoms. The pathogenesis of rheumatoid arthritis and collagen-induced arthritis involves a so far properly unexplored network of immune cells, cytokines, antibodies and other factors. These agents trigger the autoimmune response leading to polyarthritis with cell infiltration, bone and cartilage degeneration and synovial cell proliferation. Our review covers the knowledge about cytokines present in the rat collagen-induced arthritis model and the factors affecting them. In addition, we provide a comparison with rheumatoid arthritis and a description of their important effects on the development of both diseases. We discuss the crucial roles of various immune cells (subtypes of T and B lymphocytes, dendritic cells, monocytes, macrophages), fibroblast-like synoviocy-tes, and their related cytokines (TNF-α, IL-1β, IL-2, IL-4, IL-6, IL-8, IL-10, IL-12, IL-17, IL-23, GM-CSF, TGF-β). Finally, we also focus on key antibodies (rheu-matoid factor, anti-citrullinated protein antibodies, anti-collagen II antibodies) and tissue-degrading enzymes (matrix metalloproteinases).
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Affiliation(s)
- Monika Šteigerová
- Institute of Pharmacology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Czech Republic.
| | - Martin Šíma
- Institute of Pharmacology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Czech Republic
| | - Ondřej Slanař
- Institute of Pharmacology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Czech Republic
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Ihim SA, Abubakar SD, Zian Z, Sasaki T, Saffarioun M, Maleknia S, Azizi G. Interleukin-18 cytokine in immunity, inflammation, and autoimmunity: Biological role in induction, regulation, and treatment. Front Immunol 2022; 13:919973. [PMID: 36032110 PMCID: PMC9410767 DOI: 10.3389/fimmu.2022.919973] [Citation(s) in RCA: 67] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 07/25/2022] [Indexed: 12/13/2022] Open
Abstract
Interleukin-18 (IL-18) is a potent pro-inflammatory cytokine involved in host defense against infections and regulates the innate and acquired immune response. IL-18 is produced by both hematopoietic and non-hematopoietic cells, including monocytes, macrophages, keratinocytes and mesenchymal cell. IL-18 could potentially induce inflammatory and cytotoxic immune cell activities leading to autoimmunity. Its elevated levels have been reported in the blood of patients with some immune-related diseases, including rheumatoid arthritis, systemic lupus erythematosus, type I diabetes mellitus, atopic dermatitis, psoriasis, and inflammatory bowel disease. In the present review, we aimed to summarize the biological properties of IL-18 and its pathological role in different autoimmune diseases. We also reported some monoclonal antibodies and drugs targeting IL-18. Most of these monoclonal antibodies and drugs have only produced partial effectiveness or complete ineffectiveness in vitro, in vivo and human studies. The ineffectiveness of these drugs targeting IL-18 may be largely due to the loophole caused by the involvement of other cytokines and proteins in the signaling pathway of many inflammatory diseases besides the involvement of IL-18. Combination drug therapies, that focus on IL-18 inhibition, in addition to other cytokines, are highly recommended to be considered as an important area of research that needs to be explored.
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Affiliation(s)
- Stella Amarachi Ihim
- Department of Molecular and Cellular Pharmacology, University of Shizuoka, Shizuoka, Japan
- Department of Pharmacology and Toxicology, University of Nigeria, Nsukka, Nigeria
- Department of Science Laboratory Technology, University of Nigeria, Nsukka, Nigeria
| | - Sharafudeen Dahiru Abubakar
- Division of Molecular Pathology, Research Institute for Biomedical Sciences, Tokyo University of Science, Tokyo, Japan
- Department of Medical Laboratory Science, College of Medical Science, Ahmadu Bello University, Zaria, Nigeria
| | - Zeineb Zian
- Biomedical Genomics and Oncogenetics Research Laboratory, Faculty of Sciences and Techniques of Tangier, Abdelmalek Essaadi University, Tetouan, Morocco
| | - Takanori Sasaki
- Division of Rheumatology, Immunology and Allergy, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Mohammad Saffarioun
- Biopharmaceutical Research Center, AryoGen Pharmed Inc., Alborz University of Medical Sciences, Karaj, Iran
| | - Shayan Maleknia
- Biopharmaceutical Research Center, AryoGen Pharmed Inc., Alborz University of Medical Sciences, Karaj, Iran
| | - Gholamreza Azizi
- Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
- *Correspondence: Gholamreza Azizi,
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Lord AE, Zhang L, Erickson JE, Bryant S, Nelson CM, Gaudette SM, Phillips LA, Schwartz Sterman AJ, Mitra S. Quantitative in vivo micro-computed tomography for monitoring disease activity and treatment response in a collagen-induced arthritis mouse model. Sci Rep 2022; 12:2863. [PMID: 35190580 PMCID: PMC8861028 DOI: 10.1038/s41598-022-06837-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 02/07/2022] [Indexed: 11/08/2022] Open
Abstract
A painful, chronic condition, Rheumatoid Arthritis, is marked by bone erosion and soft tissue swelling at the joint. As treatments are investigated in pre-clinical models, characterizing disease progression is integral to assessing treatment efficacy. Here, in vivo and ex vivo micro-computed tomography (µCT) are used in parallel with traditional caliper score measurement to quantify physiological changes in the tarsal region in a murine, collagen-induced arthritis model. In vivo imaging methods, which are validated here through comparison to ex vivo and caliper methods, afford longitudinal analysis of both bone and soft tissue through a single image acquisition. This method removes the subjectivity of swelling quantification which is inherently associated with traditional caliper measurements. Histopathology offers an additional assessment of bone erosion and inflammation by providing a microscopic characterization of disease activity. In comparison to untreated animals, daily prednisolone (glucocorticoid) treatment is shown to restore bone volume, as reflected through in vivo and ex vivo µCT images, as well as histopathology. Prednisolone-associated reduction in inflammation is shown through in vivo µCT soft tissue volume measurements, paw caliper measurements, and histopathology. The findings reported here provide a comprehensive validation of in vivo µCT with a sensitivity that enables characterization of pre-clinical disease assessment in response to treatment in a murine, collagen-induced arthritis model.
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Affiliation(s)
- Audrey E Lord
- AbbVie Bioresearch Center, Worcester, MA, 016015, USA
| | - Liang Zhang
- AbbVie Bioresearch Center, Worcester, MA, 016015, USA
| | | | | | | | | | | | | | - Soumya Mitra
- AbbVie Bioresearch Center, Worcester, MA, 016015, USA.
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Mendez-Frausto G, Uresti-Rivera EE, Godina-Gonzalez S, Portales-Perez DP, Gonzalez-Amaro R, Garcia-Hernandez MH. Expression of mBD4, mBD3 and CRAMP during type II collagen-induced arthritis/CIA and their association with inflammation and bone-remodeling markers. Exp Mol Pathol 2021; 123:104689. [PMID: 34592200 DOI: 10.1016/j.yexmp.2021.104689] [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: 03/30/2021] [Revised: 08/20/2021] [Accepted: 09/23/2021] [Indexed: 11/18/2022]
Abstract
The aim of this study was to analyze the expression of mBD4, mBD3 and CRAMP in joint of mice with type II collagen-induced arthritis/CIA and to explore its possible association with IL-10, IL-4, IFN-γ, IL-17, MMP3, RANK/RANKL/OPG and histological parameters. METHODS CIA was induced in 44 DBA/1 J mice. The joints from mice were classified into the onset, peak and remission phase of CIA. Histological sections were stained with hematoxylin-eosin and safranin O. The expression of CRAMP, mBD-3, mBD-4, and MMP-3 was evaluated using reverse transcription polymerase chain reaction (RT-PCR) and immunohistochemistry. The expression of IL-10, IL-4, IFN-γ, IL-17, RANK/RANKL/OPG was analyzed by RT-PCR. RESULTS We observed that inflammation and immunostained cells for CRAMP increased in the peak and remission phases compared to the control group. In addition, increments in relative expressions of CRAMP were detected for the remission phase and in IL-4 and IL-17 in the peak phase compared to the control and onset phase. In addition, an increase in IL-10 in a peak phase compared to the control, as well as the relative expression of IFN-γ in remission phase was higher than in the onset phase. This was accompanied by an increase in cartilage damage in the peak phase compared to the control. Cells immunostained to MMP3 increased in the peak phase compared to the onset and control group, and relative expression of MMP3 was detected in the peak phase compared to the onset, remission, and control group. We observed that the relative expression of RANK and RANKL in the peak phase was higher than in control and onset phase. Finally, the relative expression of OPG in the peak phase compared to the onset, remission, and control group was detected. Regarding CRAMP behavior in the different phases studied, it was positively correlated with IL-4 and RANK, and showed a negative correlation with IFN-γ, IL-17, IL-10, RANKL, OPG and RANKL/OPG ratio in the control group. Also was positively correlated with IFN-γ, IL-17, IL-4, IL-10, as well as with RANK, RANKL, and OPG in the onset and peak phases of the CIA. In the peak phase, CRAMP showed a positive association with MMP3, and we observed a direct correlation between CRAMP and IFN-γ and RANKL/OPG ratio in remission phase. mBD3 correlates positively with IFN-γ, IL-17, IL-10, RANKL, OPG and RANKL/OPG ratio, and showed a negative correlation with CRAMP, MMP3, and RANK in the control group. Also, it was directly associated with IFN-γ, IL-17, IL-4, IL-10 and RANKL in the onset phase while it was inversely associated with CRAMP, MMP-3, RANK, RANKL, and OPG in the peak phase. Finally, mBD3 was inversely correlated with MMP3 in the remission phase and was directly associated with CRAMP, IFN-γ and RANKL/OPG ratio in this phase. mBD4 was directly associated with CRAMP, IFN-γ, IL-17, IL-4, IL-10, RANKL / OPG in the onset phase, and with CRAMP, IFN-γ, IL-17, IL-4, IL-10, MMP3, RANK, RANKL and OPG in the peak phase. Finally, mBD4 was positively associated with mBD3, IFN-γ, IL-17, IL-10, RANK, RANKL OPG and RANKL/OPG in the CIA remission phase. CONCLUSIONS Our results demonstrate that CRAMP plays an important role in CIA progress and suggest that its abundance is associated with local pro- and anti-inflammatory status. This makes us propose CRAMP as a possible contributor of bone reconstruction in the last stage of CIA.
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Affiliation(s)
- G Mendez-Frausto
- Unidad de Investigación Biomédica, Delegación Zacatecas, Instituto Mexicano del Seguro Social, IMSS, Zacatecas, Mexico.; Translational and Molecular Medicine Department, Research Center for Health Sciences and Biomedicine, Autonomous University of San Luis Potosí, Mexico
| | - E E Uresti-Rivera
- Translational and Molecular Medicine Department, Research Center for Health Sciences and Biomedicine, Autonomous University of San Luis Potosí, Mexico
| | - S Godina-Gonzalez
- Academic Unit of Chemical Sciences, Autonomous University of Zacatecas, Zacatecas 98160, Zacatecas, Mexico
| | - D P Portales-Perez
- Translational and Molecular Medicine Department, Research Center for Health Sciences and Biomedicine, Autonomous University of San Luis Potosí, Mexico
| | - R Gonzalez-Amaro
- Translational and Molecular Medicine Department, Research Center for Health Sciences and Biomedicine, Autonomous University of San Luis Potosí, Mexico
| | - M H Garcia-Hernandez
- Unidad de Investigación Biomédica, Delegación Zacatecas, Instituto Mexicano del Seguro Social, IMSS, Zacatecas, Mexico..
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12
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Wade M, Fausther-Bovendo H, De La Vega MA, Kobinger G. In vivo generation of collagen specific Tregs with AAV8 suppresses autoimmune responses and arthritis in DBA1 mice through IL10 production. Sci Rep 2021; 11:18204. [PMID: 34521922 PMCID: PMC8440515 DOI: 10.1038/s41598-021-97739-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 08/12/2021] [Indexed: 11/25/2022] Open
Abstract
Available therapeutics for autoimmune disorders focused on mitigating symptoms, rather than treating the cause of the disorder. A novel approach using adeno-associated virus (AAV) could restore tolerance to the autoimmune targets and provide a permanent treatment for autoimmune diseases. Here, we evaluated the ability of collagen II T-cell epitopes packaged in adeno-associated virus serotype 8 (AAV-8) vectors to reduce pathogenic cellular and humoral responses against collagen and to mitigate the disease in the collagen-induced arthritis mouse model. The cytokines and immune cells involved in the immune suppression were also investigated. Mice treated with AAV-8 containing collagen II T-cell epitopes demonstrated a significant reduction in the arthritis symptoms, pathogenic collagen specific antibody and T cell responses. The AAV-8 mediated immune suppression was mediated by increased interleukin-10 expression and regulatory T cells expansion. Altogether, this study strengthens the notion that AAV vectors are promising candidates for the treatment of autoimmune diseases.
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Affiliation(s)
- Matthew Wade
- Department of Microbiology and Immunology, Faculty of Medicine, Laval University, Quebec, Canada
| | - Hugues Fausther-Bovendo
- Department of Microbiology and Immunology, Faculty of Medicine, Laval University, Quebec, Canada
| | - Marc-Antoine De La Vega
- Department of Microbiology and Immunology, Faculty of Medicine, Laval University, Quebec, Canada
| | - Gary Kobinger
- Department of Microbiology and Immunology, Faculty of Medicine, Laval University, Quebec, Canada. .,Department of Pathology and Laboratory Medicine, University of Pennsylvania School 27 of Medicine, Philadelphia, PA, USA.
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13
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Park B, Lee M, Kim SD, Jeong YS, Kim JC, Yang S, Kim HY, Bae YS. Activation of formyl peptide receptor 1 elicits therapeutic effects against collagen-induced arthritis. J Cell Mol Med 2021; 25:8936-8946. [PMID: 34378309 PMCID: PMC8435430 DOI: 10.1111/jcmm.16854] [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: 03/17/2021] [Revised: 07/27/2021] [Accepted: 08/02/2021] [Indexed: 02/02/2023] Open
Abstract
Rheumatoid arthritis (RA) is an autoimmune disorder which shows production of autoantibodies, inflammation, bone erosion, swelling and pain in joints. In this study, we examined the effects of an immune-modulating peptide, WKYMVm, that is an agonist for formyl peptide receptors (FPRs). Administration of WKYMVm into collagen-induced arthritis (CIA) mice, an animal model for RA, attenuated paw thickness, clinical scores, production of type II collagen-specific antibodies and inflammatory cytokines. WKYMVm treatment also decreased the numbers of TH 1 and TH 17 cells in the spleens of CIA mice. WKYMVm attenuated TH 1 and TH 17 differentiation in a dendritic cell (DC)-dependent manner. WKYMVm-induced beneficial effects against CIA and WKYMVm-attenuated TH 1 and TH 17 differentiation were reversed by cyclosporin H but not by WRW4, indicating a crucial role of FPR1. We also found that WKYMVm augmented IL-10 production from lipopolysaccharide-stimulated DCs and WKYMVm failed to suppress TH 1 and TH 17 differentiation in the presence of anti-IL-10 antibody. The therapeutic administration of WKYMVm also elicited beneficial outcome against CIA. Collectively, we demonstrate that WKYMVm stimulation of FPR1 in DCs suppresses the generation of TH 1 and TH 17 cells via IL-10 production, providing novel insight into the function of FPR1 in regulating CIA pathogenesis.
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Affiliation(s)
- Byunghyun Park
- Department of Biological Sciences, Sungkyunkwan University, Suwon, Korea
| | - Mingyu Lee
- Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences and Technology, Sungkyunkwan University, Seoul, Korea
| | - Sang Doo Kim
- Department of Biological Sciences, Sungkyunkwan University, Suwon, Korea
| | - Yu Sun Jeong
- Department of Biological Sciences, Sungkyunkwan University, Suwon, Korea
| | - Ji Cheol Kim
- Department of Biological Sciences, Sungkyunkwan University, Suwon, Korea
| | - Siyoung Yang
- Department of Pharmacology, Ajou University School of Medicine, Suwon, Korea
| | - Hye Young Kim
- Laboratory of Mucosal Immunology, Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Korea
| | - Yoe-Sik Bae
- Department of Biological Sciences, Sungkyunkwan University, Suwon, Korea.,Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences and Technology, Sungkyunkwan University, Seoul, Korea
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14
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Kotwica-Mojzych K, Jodłowska-Jędrych B, Mojzych M. CD200:CD200R Interactions and Their Importance in Immunoregulation. Int J Mol Sci 2021; 22:ijms22041602. [PMID: 33562512 PMCID: PMC7915401 DOI: 10.3390/ijms22041602] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 01/28/2021] [Accepted: 01/29/2021] [Indexed: 01/07/2023] Open
Abstract
The molecule CD200, described many years ago as a naturally occurring immunomodulatory agent, capable of regulating inflammation and transplant rejection, has attracted additional interest over the past years with the realization that it may also serve as an important marker for progressive malignancy. A large body of evidence also supports the hypothesis that this molecule can contribute to immunoregulation of, among other diseases, infection, autoimmune disease and allergy. New data have also come to light to characterize the receptors for CD200 (CD200R) and their potential mechanism(s) of action at the biochemical level, as well as the description of a novel natural antagonist of CD200, lacking the NH2-terminal region of the full-length molecule. Significant controversies exist concerning the relative importance of CD200 as a ligand for all reported CD200Rs. Nevertheless, some progress has been made in the identification of the structural constraints determining the interaction between CD200 and CD200R, and this information has in turn proved of use in developing novel small molecule agonists/antagonists of the interaction. The review below highlights many of these newer findings, and attempts to place them in the broad context of our understanding of the role of CD200-CD200R interactions in a variety of human diseases.
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Affiliation(s)
- Katarzyna Kotwica-Mojzych
- Department of Histology, Embryology and Cytophysiology, Medical University of Lublin, Radziwiłłowska 11, 20-080 Lublin, Poland;
- Correspondence:
| | - Barbara Jodłowska-Jędrych
- Department of Histology, Embryology and Cytophysiology, Medical University of Lublin, Radziwiłłowska 11, 20-080 Lublin, Poland;
| | - Mariusz Mojzych
- Department of Chemistry, Siedlce University of Natural Sciences and Humanities, 3 Maja 54, 08-110 Siedlce, Poland;
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15
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Bassin EJ, Buckley AR, Piganelli JD, Little SR. TRI microparticles prevent inflammatory arthritis in a collagen-induced arthritis model. PLoS One 2020; 15:e0239396. [PMID: 32966314 PMCID: PMC7510963 DOI: 10.1371/journal.pone.0239396] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 09/06/2020] [Indexed: 12/28/2022] Open
Abstract
Despite recent progress in the treatment of rheumatoid arthritis (RA), many patients still fail to achieve remission or low disease activity. An imbalance between auto-reactive effector T cells (Teff) and regulatory T cells (Treg) may contribute to joint inflammation and damage in RA. Therefore, restoring this balance is a promising approach for the treatment of inflammatory arthritis. Accordingly, our group has previously shown that the combination of TGF-β-releasing microparticles (MP), rapamycin-releasing MP, and IL-2-releasing MP (TRI MP) can effectively increase the ratio of Tregs to Teff in vivo and provide disease protection in several preclinical models. In this study TRI MP was evaluated in the collagen-induced arthritis (CIA) model. Although this formulation has been tested previously in models of destructive inflammation and transplantation, this is the first model of autoimmunity for which this therapy has been applied. In this context, TRI MP effectively reduced arthritis incidence, the severity of arthritis scores, and bone erosion. The proposed mechanism of action includes not only reducing CD4+ T cell proliferation, but also expanding a regulatory population in the periphery soon after TRI MP administration. These changes were reflected in the CD4+ T cell population that infiltrated the paws at the onset of arthritis and were associated with a reduction of immune infiltrate and inflammatory myeloid cells in the paws. TRI MP administration also reduced the titer of collagen antibodies, however the contribution of this reduced titer to disease protection remains uncertain since there was no correlation between collagen antibody titer and arthritis score.
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Affiliation(s)
- Ethan J. Bassin
- Department of Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Abigail R. Buckley
- Division of Pediatric Surgery, Department of Surgery, Children’s Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Jon D. Piganelli
- Department of Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
- Division of Pediatric Surgery, Department of Surgery, Children’s Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Steven R. Little
- Department of Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
- Department of Chemical Engineering, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
- Department of Ophthalmology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
- Department of Pharmaceutical Science, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
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16
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Buckley BJ, Ali U, Kelso MJ, Ranson M. The Urokinase Plasminogen Activation System in Rheumatoid Arthritis: Pathophysiological Roles and Prospective Therapeutic Targets. Curr Drug Targets 2020; 20:970-981. [PMID: 30516104 PMCID: PMC6700755 DOI: 10.2174/1389450120666181204164140] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2018] [Revised: 11/12/2018] [Accepted: 11/28/2018] [Indexed: 01/09/2023]
Abstract
Rheumatoid Arthritis (RA) is a chronic and progressive inflammatory disease characterized in its early stages by synovial hyperplasia and inflammatory cell infiltration and later by irreversible joint tissue destruction. The Plasminogen Activation System (PAS) is associated with a wide range of physiological and pathophysiological states involving fibrinolysis, inflammation and tissue remodeling. Various components of the PAS are implicated in the pathophysiology of RA. Urokinase Plasminogen Activator (uPA) in particular is a pro-inflammatory mediator that appears to play an important role in the bone and cartilage destruction associated with RA. Clinical studies have shown that uPA and its receptor uPAR are overexpressed in synovia of patients with rheumatoid arthritis. Further, genetic knockdown and antibody-mediated neutralization of uPA have been shown to be protective against induction or progression of arthritis in animal models. The pro-arthritic role of uPA is differentiated from its haemodynamic counterpart, tissue plasminogen activator (tPA), which appears to play a protective role in RA animal models. This review summarises available evidence supporting the PAS as a critical determinant of RA pathogenesis and highlights opportunities for the development of novel uPAS-targeting therapeutics.
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Affiliation(s)
- Benjamin J Buckley
- School of Chemistry and Molecular Bioscience, University of Wollongong, NSW 2522, Australia.,Illawarra Health & Medical Research Institute, Wollongong, NSW 2522, Australia
| | - Umar Ali
- School of Chemistry and Molecular Bioscience, University of Wollongong, NSW 2522, Australia.,Illawarra Health & Medical Research Institute, Wollongong, NSW 2522, Australia
| | - Michael J Kelso
- School of Chemistry and Molecular Bioscience, University of Wollongong, NSW 2522, Australia.,Illawarra Health & Medical Research Institute, Wollongong, NSW 2522, Australia
| | - Marie Ranson
- School of Chemistry and Molecular Bioscience, University of Wollongong, NSW 2522, Australia.,Illawarra Health & Medical Research Institute, Wollongong, NSW 2522, Australia
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17
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Palomares B, Garrido-Rodriguez M, Gonzalo-Consuegra C, Gómez-Cañas M, Saen-Oon S, Soliva R, Collado JA, Fernández-Ruiz J, Morello G, Calzado MA, Appendino G, Muñoz E. Δ 9 -Tetrahydrocannabinolic acid alleviates collagen-induced arthritis: Role of PPARγ and CB 1 receptors. Br J Pharmacol 2020; 177:4034-4054. [PMID: 32510591 DOI: 10.1111/bph.15155] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 05/22/2020] [Accepted: 05/27/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND AND PURPOSE Δ9 -Tetrahydrocannabinolic acid (Δ9 -THCA-A), the precursor of Δ9 -THC, is a non-psychotropic phytocannabinoid that shows PPARγ agonist activity. Here, we investigated the ability of Δ9 -THCA-A to modulate the classic cannabinoid CB1 and CB2 receptors and evaluated its anti-arthritis activity in vitro and in vivo. EXPERIMENTAL APPROACH Cannabinoid receptors binding and intrinsic activity, as well as their downstream signalling, were analysed in vitro and in silico. The anti-arthritis properties of Δ9 -THCA-A were studied in human chondrocytes and in the murine model of collagen-induced arthritis (CIA). Plasma disease biomarkers were identified by LC-MS/MS based on proteomic and elisa assays. KEY RESULTS Functional and docking analyses showed that Δ9 -THCA-A can act as an orthosteric CB1 receptor agonist and also as a positive allosteric modulator in the presence of CP-55,940. Also, Δ9 -THCA-A seemed to be an inverse agonist for CB2 receptors. In vivo, Δ9 -THCA-A reduced arthritis in CIA mice, preventing the infiltration of inflammatory cells, synovium hyperplasia, and cartilage damage. Furthermore, Δ9 -THCA-A inhibited expression of inflammatory and catabolic genes on knee joints. The anti-arthritic effect of Δ9 -THCA-A was blocked by either SR141716 or T0070907. Analysis of plasma biomarkers, and determination of cytokines and anti-collagen antibodies confirmed that Δ9 -THCA-A mediated its activity mainly through PPARγ and CB1 receptor pathways. CONCLUSION AND IMPLICATIONS Δ9 -THCA-A modulates CB1 receptors through the orthosteric and allosteric binding sites. In addition, Δ9 -THCA-A exerts anti-arthritis activity through CB1 receptors and PPARγ pathways, highlighting its potential for the treatment of chronic inflammatory diseases such as rheumatoid arthritis.
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Affiliation(s)
- Belén Palomares
- Maimonides Biomedical Research Institute of Córdoba, University of Córdoba, Córdoba, Spain.,Department of Cellular Biology, Physiology and Immunology, University of Córdoba, Córdoba, Spain.,Reina Sofía University Hospital, Córdoba, Spain
| | - Martín Garrido-Rodriguez
- Maimonides Biomedical Research Institute of Córdoba, University of Córdoba, Córdoba, Spain.,Department of Cellular Biology, Physiology and Immunology, University of Córdoba, Córdoba, Spain.,Reina Sofía University Hospital, Córdoba, Spain
| | - Claudia Gonzalo-Consuegra
- Instituto Universitario de Investigación en Neuroquímica, Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Universidad Complutense, Madrid, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain.,Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | - María Gómez-Cañas
- Instituto Universitario de Investigación en Neuroquímica, Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Universidad Complutense, Madrid, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain.,Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | | | | | | | - Javier Fernández-Ruiz
- Instituto Universitario de Investigación en Neuroquímica, Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Universidad Complutense, Madrid, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain.,Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | | | - Marco A Calzado
- Maimonides Biomedical Research Institute of Córdoba, University of Córdoba, Córdoba, Spain.,Department of Cellular Biology, Physiology and Immunology, University of Córdoba, Córdoba, Spain.,Reina Sofía University Hospital, Córdoba, Spain
| | - Giovanni Appendino
- Dipartimento di Scienze del Farmaco, Università del Piemonte Orientale, Novara, Italy
| | - Eduardo Muñoz
- Maimonides Biomedical Research Institute of Córdoba, University of Córdoba, Córdoba, Spain.,Department of Cellular Biology, Physiology and Immunology, University of Córdoba, Córdoba, Spain.,Reina Sofía University Hospital, Córdoba, Spain
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18
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Montesino-Goicolea S, Sinha P, Huo Z, Rani A, Foster TC, Cruz-Almeida Y. Enrichment of genomic pathways based on differential DNA methylation profiles associated with chronic musculoskeletal pain in older adults: An exploratory study. Mol Pain 2020; 16:1744806920966902. [PMID: 33073674 PMCID: PMC7711149 DOI: 10.1177/1744806920966902] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Revised: 07/19/2020] [Accepted: 09/08/2020] [Indexed: 01/08/2023] Open
Abstract
Our study aimed to identify differentially methylated CpGs/regions and their enriched genomic pathways associated with underlying chronic musculoskeletal pain in older individuals. We recruited cognitively healthy older adults with (n = 20) and without (n = 9) self-reported musculoskeletal pain and collected DNA from peripheral blood that was analyzed using MethylationEPIC arrays. We identified 31,739 hypermethylated CpG and 10,811 hypomethylated CpG probes (ps ≤ 0.05). All CpG probes were clustered into 5966 regions, among which 600 regions were differentially methylated at p ≤ 0.05 level, including 294 hypermethylated regions and 306 hypomethylated regions (differentially methylated regions). Ingenuity pathway enrichment analysis revealed that the pain-related differentially methylated regions were enriched across multiple pathways. The top 10 canonical pathways were linked to cellular signaling processes related to immune responses (i.e. antigen presentation, programed cell death 1 receptor/PD-1 ligand 1, interleukin-4, OX40 signaling, T cell exhaustion, and apoptosis) and gamma-aminobutyric acid receptor signaling. Further, Weighted Gene Correlation Network Analysis revealed a comethylation network module in the pain group that was not preserved in the control group, where the hub gene was the cyclic adenosine monophosphate-dependent transcription factor ATF-2. Our preliminary findings provide new epigenetic insights into the role of aberrant immune signaling in musculoskeletal pain in older adults while further supporting involvement of dysfunctional GABAergic signaling mechanisms in chronic pain. Our findings need to be urgently replicated in larger cohorts as they may serve as a basis for developing and targeting future interventions.
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Affiliation(s)
- Soamy Montesino-Goicolea
- Pain Research & Intervention Center of Excellence,
University of Florida, Gainesville, FL, USA
- Department of Community Dentistry & Behavioral Science,
College of Dentistry, University of Florida, Gainesville, FL, USA
| | - Puja Sinha
- Department of Neuroscience, College of Medicine, University of
Florida, Gainesville, FL, USA
| | - Zhiguang Huo
- Department of Biostatistics, College of Public Health &
Health Professions and College of Medicine, University of Florida, Gainesville,
FL, USA
| | - Asha Rani
- Department of Neuroscience, College of Medicine, University of
Florida, Gainesville, FL, USA
| | - Thomas C Foster
- Department of Neuroscience, College of Medicine, University of
Florida, Gainesville, FL, USA
- Genetics and Genomics Program, University of Florida,
Gainesville, FL, USA
- Institute on Aging, University of Florida, Gainesville, FL,
USA
| | - Yenisel Cruz-Almeida
- Pain Research & Intervention Center of Excellence,
University of Florida, Gainesville, FL, USA
- Department of Community Dentistry & Behavioral Science,
College of Dentistry, University of Florida, Gainesville, FL, USA
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19
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Teixeira JH, Silva AM, Almeida MI, Bessa-Gonçalves M, Cunha C, Barbosa MA, Santos SG. The Systemic Immune Response to Collagen-Induced Arthritis and the Impact of Bone Injury in Inflammatory Conditions. Int J Mol Sci 2019; 20:E5436. [PMID: 31683648 PMCID: PMC6862543 DOI: 10.3390/ijms20215436] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 10/29/2019] [Accepted: 10/29/2019] [Indexed: 12/12/2022] Open
Abstract
Rheumatoid arthritis (RA) is a systemic disease that affects the osteoarticular system, associated with bone fragility and increased risk of fractures. Herein, we aimed to characterize the systemic impact of the rat collagen-induced arthritis (CIA) model and explore its combination with femoral bone defect (FD). The impact of CIA on endogenous mesenchymal stem/stromal cells (MSC) was also investigated. CIA induction led to enlarged, more proliferative, spleen and draining lymph nodes, with altered proportion of lymphoid populations. Upon FD, CIA animals increased the systemic myeloid cell proportions, and their expression of co-stimulatory molecules CD40 and CD86. Screening plasma cytokine/chemokine levels showed increased tumor necrosis factor-α (TNF-α), Interleukin (IL)-17, IL-4, IL-5, and IL-12 in CIA, and IL-2 and IL-6 increased in CIA and CIA+FD, while Fractalkine and Leptin were decreased in both groups. CIA-derived MSC showed lower metabolic activity and proliferation, and significantly increased osteogenic and chondrogenic differentiation markers. Exposure of control-MSC to TNF-α partially mimicked the CIA-MSC phenotype in vitro. In conclusion, inflammatory conditions of CIA led to alterations in systemic immune cell proportions, circulating mediators, and in endogenous MSC. CIA animals respond to FD, and the combined model can be used to study the mechanisms of bone repair in inflammatory conditions.
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Affiliation(s)
- José H Teixeira
- i3S-Instituto de Investigação e Inovação em Saúde and INEB-Instituto Nacional de Engenharia Biomédica, University of Porto, 4200-135 Porto, Portugal.
- Department of Molecular Biology, ICBAS-Instituto de Ciências Biomédicas Abel Salazar, University of Porto, 4050-313 Porto, Portugal.
| | - Andreia M Silva
- i3S-Instituto de Investigação e Inovação em Saúde and INEB-Instituto Nacional de Engenharia Biomédica, University of Porto, 4200-135 Porto, Portugal.
- Department of Molecular Biology, ICBAS-Instituto de Ciências Biomédicas Abel Salazar, University of Porto, 4050-313 Porto, Portugal.
| | - Maria Inês Almeida
- i3S-Instituto de Investigação e Inovação em Saúde and INEB-Instituto Nacional de Engenharia Biomédica, University of Porto, 4200-135 Porto, Portugal.
| | - Mafalda Bessa-Gonçalves
- i3S-Instituto de Investigação e Inovação em Saúde and INEB-Instituto Nacional de Engenharia Biomédica, University of Porto, 4200-135 Porto, Portugal.
- Department of Molecular Biology, ICBAS-Instituto de Ciências Biomédicas Abel Salazar, University of Porto, 4050-313 Porto, Portugal.
| | - Carla Cunha
- i3S-Instituto de Investigação e Inovação em Saúde and INEB-Instituto Nacional de Engenharia Biomédica, University of Porto, 4200-135 Porto, Portugal.
| | - Mário A Barbosa
- i3S-Instituto de Investigação e Inovação em Saúde and INEB-Instituto Nacional de Engenharia Biomédica, University of Porto, 4200-135 Porto, Portugal.
- Department of Molecular Biology, ICBAS-Instituto de Ciências Biomédicas Abel Salazar, University of Porto, 4050-313 Porto, Portugal.
| | - Susana G Santos
- i3S-Instituto de Investigação e Inovação em Saúde and INEB-Instituto Nacional de Engenharia Biomédica, University of Porto, 4200-135 Porto, Portugal.
- Department of Molecular Biology, ICBAS-Instituto de Ciências Biomédicas Abel Salazar, University of Porto, 4050-313 Porto, Portugal.
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20
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Shexiang-Wulong Pills Attenuate Rheumatoid Arthritis by Alleviating Inflammation in a Mouse Model of Collagen-Induced Arthritis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2019; 2019:5308405. [PMID: 30886639 PMCID: PMC6388337 DOI: 10.1155/2019/5308405] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 01/11/2019] [Accepted: 01/20/2019] [Indexed: 12/14/2022]
Abstract
Shexiang-Wulong Pill (SWP) is derived from “Moschus Yuan,” first formulated during the Song Dynasty for the treatment of joint pain. The aim of this study was to evaluate the therapeutic effect of SWP in a mouse model of collagen-induced arthritis (CIA). Forty-five DBA/1 mice were randomly divided into control group, model group, and SWP-treated group. SWP was administered by oral gavage for 22 days after the booster immunization. The clinical arthritic scores and joint histopathology, including synovial hyperplasia and hypoxic regions, cartilage erosion, and bone destruction, were evaluated. Microcomputed tomography (micro-CT) was used to assess microstructural changes in the bone. Serum levels of TNF-a, IL-6, and IFN-γ were measured by enzyme-linked immunosorbent assay (ELISA). The results showed a statistically significant improvement in joint pathological changes in the SWP-treated group. Imaging assessment confirmed that SWP protected the bone tissue from CIA-induced erosion and increased the bone density. In addition, the serum levels of TNF-a, IL-6, and IFN-γ in SWP-treated mice were significantly lower than those in the model group (P<0.05). Taken together, Shexiang-Wulong Pill can effectively alleviate joint swelling in CIA mice, inhibit synovial tissue hyperplasia, reduce inflammatory cell infiltration, and delay bone destruction. These results indicate that Shexiang-Wulong Pills could be an efficient medication for the treatment of RA.
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21
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Valencia JC, Egbukichi N, Erwin-Cohen RA. Autoimmunity and Cancer, the Paradox Comorbidities Challenging Therapy in the Context of Preexisting Autoimmunity. J Interferon Cytokine Res 2018; 39:72-84. [PMID: 30562133 DOI: 10.1089/jir.2018.0060] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Today, improvements in diagnostic and therapeutic options allow patients with autoimmune diseases (ADs) to live longer and have more active lives compared with patients receiving conventional anti-inflammatory therapy just two decades ago. Current therapies for ADs aim to inhibit immune cell activation and effector immune pathways, including those activated by cytokines and cytokine receptors. Understandably, such goals become more complicated in patients with long-term established ADs who develop parallel chronic or comorbid conditions, including life-threatening diseases, such as cancer. Compared with the general population, patients with ADs have an increased risk of developing hematological, lymphoproliferative disorders, and solid tumors. However, the aim of current cancer therapies is to activate the immune system to create autoimmune-like conditions and eliminate tumors. As such, their comorbid presentation creates a paradox on how malignancies must be addressed therapeutically in the context of autoimmunity. Because the physiopathology of malignancies is less understood in the context of autoimmunity than it is in the general population, we undertook this review to highlight the peculiarities and mechanisms governing immune cells in established ADs. Moreover, we examined the role of the autoimmune cytokine milieu in the development of immune-related adverse events during the implementation of conventional or immune-based therapy.
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Affiliation(s)
- Julio C Valencia
- Cancer and Inflammation Program, National Cancer Institute at Frederick, Frederick, Maryland
| | - Nkolika Egbukichi
- Cancer and Inflammation Program, National Cancer Institute at Frederick, Frederick, Maryland
| | - Rebecca A Erwin-Cohen
- Cancer and Inflammation Program, National Cancer Institute at Frederick, Frederick, Maryland
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22
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Muhlenbeck JA, Olson JM, Hughes AB, Cook ME. Conjugated Linoleic Acid Isomers Trans-10, Cis-12 and Cis-9, Trans-11 Prevent Collagen-Induced Arthritis in a Direct Comparison. Lipids 2018; 53:689-698. [PMID: 30259981 DOI: 10.1002/lipd.12082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Revised: 07/13/2018] [Accepted: 07/27/2018] [Indexed: 11/08/2022]
Abstract
Mixed-isomer conjugated linoleic acid (CLA) and the individual isomers, trans-10, cis-12 (CLAt10c12) and cis-9, trans-11 (CLAc9t11), decrease severity of collagen-induced arthritis (CA) when consumed after disease onset. Few studies have been conducted exploring the role of CLA in the prevention of autoimmune diseases. These studies suggest that isomer-specific effects may be occurring; however, a direct comparison of CLAt10c12 and CLAc9t11 has yet to be conducted. A study to compare the ability of CLAt10c12 and CLAc9t11 to prevent CA and assess their effects on early inflammation was performed. DBA/1 mice were fed a semipurified diet containing 6% corn oil (CO), 5.5% CO and 0.5% CLAt10c12, or 5.5% CO and 0.5% CLAc9t11 (n = 27 per diet) starting three weeks before CA primary immunization. Effects on disease incidence and severity, anticollagen antibodies, plasma and paw cytokines, and hepatic fatty acids were measured. Arthritis incidence was reduced by a minimum of 34% in mice fed either CLA isomer compared to those fed CO diet (p = 0.06). In mice that did develop arthritis (n = 9-12 mice per treatment), CLAt10c12 reduced arthritic severity to a greater extent than CLAc9t11 and CO (p = 0.03). CLA isomer treatment attenuated the increased hepatic arachidonic acid (ARA; 20:4n-6) observed with arthritis at one-week postonset (p = 0.03), while no differences in anticollagen antibodies or cytokines were observed between dietary treatments. These results suggest that CLA isomers may be effective at preventing specific immune-mediated inflammatory diseases, in part, through modulation of the ARA cascade.
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Affiliation(s)
- Jessica A Muhlenbeck
- Molecular and Environmental Toxicology Center, University of Wisconsin-Madison, 1400 University Ave Madison, WI, 53706, USA
| | - Jake M Olson
- Department of Animal Sciences, University of Wisconsin-Madison, Madison, 1675 Observatory Drive, WI, 53706, USA
| | - Anna B Hughes
- Department of Animal Sciences, University of Wisconsin-Madison, Madison, 1675 Observatory Drive, WI, 53706, USA
| | - Mark E Cook
- Molecular and Environmental Toxicology Center, University of Wisconsin-Madison, 1400 University Ave Madison, WI, 53706, USA.,Department of Animal Sciences, University of Wisconsin-Madison, Madison, 1675 Observatory Drive, WI, 53706, USA
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23
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Zhou LL, Zhu YM, Qian FY, Yuan CC, Yuan DP, Zhou XP. MicroRNA‑143‑3p contributes to the regulation of pain responses in collagen‑induced arthritis. Mol Med Rep 2018; 18:3219-3228. [PMID: 30066874 PMCID: PMC6102648 DOI: 10.3892/mmr.2018.9322] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 06/26/2018] [Indexed: 12/16/2022] Open
Abstract
Patients with rheumatoid arthritis (RA) suffer from pain, which is associated with inflammation, peripheral and central pain processing, and joint structure damage. The aim of the present study was to investigate a key microRNA (miR) and its target genes that are involved in the pain responses of RA, and to clarify the mechanism of pain regulation. Collagen‑induced arthritis (CIA) was induced in DBA/1 and C57BL/6 mice. The paw swelling, mechanical withdrawal threshold (MWT), thermal withdrawal latency (TWL), and expression levels of tumor necrosis factor (TNF)‑α and prostaglandin (PG)E2 in the sera were investigated. Decreased MWT and TWL, and increased TNF‑α and PGE2, in the CIA model group were observed in DBA/1 and C57BL/6 mice. DBA/1 mice exhibited greater hyperalgesia and higher levels of inflammatory mediators. miR‑143‑3p expression in the blood and the dorsal root ganglion (DRG) were detected, and low miR‑143‑3p expression was demonstrated in the blood and DRG tissue of CIA mice. The target genes of miR‑143 were predicted and analyzed. A total of 1,305 genes were predicted and 55 pain‑associated genes were obtained. Prostaglandin‑endoperoxide synthase 2 (Ptgs2), MAS related GPR family member E (Mrgpre), prostaglandin D2 receptor and Tnf were selected as target genes of miR‑143. DRG cells were cultured and transfected with miR‑143‑3p inhibitor or mimic. The expression of Mrgpre, Ptgs2 and Tnf was significantly inhibited following miR‑143‑3p mimic transfection, while the expression of Mrgpre, Ptgs2 and Tnf was increased following inhibitor transfection. Additionally, the expression of pain‑associated genes in the DRG of mice was investigated and the expression of Ptgs2, Mrgpre and Tnf in the DRG of CIA mice was also significantly upregulated. These results revealed that CIA mice exhibited marked hyperalgesia and high levels of inflammatory pain mediators. Low expression of miR‑143‑3p negatively regulated the pain‑associated target genes, including Mrgpre, Ptgs2 and Tnf, thereby affecting chronic inflammatory pain and neuropathic pain in RA.
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Affiliation(s)
- Ling-Ling Zhou
- School of Pharmacy, The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, P.R. China
| | - Ya-Mei Zhu
- School of Pharmacy, The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, P.R. China
- Department of Rheumatology and Immunology, The Third Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing Hospital of Traditional Chinese Medicine, Nanjing, Jiangsu 210023, P.R. China
| | - Fei-Ya Qian
- School of Pharmacy, The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, P.R. China
| | - Cheng-Chen Yuan
- School of Pharmacy, The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, P.R. China
| | - Dong-Ping Yuan
- School of Pharmacy, The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, P.R. China
| | - Xue-Ping Zhou
- School of Pharmacy, The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, P.R. China
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24
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Holers VM, Banda NK. Complement in the Initiation and Evolution of Rheumatoid Arthritis. Front Immunol 2018; 9:1057. [PMID: 29892280 PMCID: PMC5985368 DOI: 10.3389/fimmu.2018.01057] [Citation(s) in RCA: 92] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Accepted: 04/27/2018] [Indexed: 01/03/2023] Open
Abstract
The complement system is a major component of the immune system and plays a central role in many protective immune processes, including circulating immune complex processing and clearance, recognition of foreign antigens, modulation of humoral and cellular immunity, removal of apoptotic and dead cells, and engagement of injury resolving and tissue regeneration processes. In stark contrast to these beneficial roles, however, inadequately controlled complement activation underlies the pathogenesis of human inflammatory and autoimmune diseases, including rheumatoid arthritis (RA) where the cartilage, bone, and synovium are targeted. Recent studies of this disease have demonstrated that the autoimmune response evolves over time in an asymptomatic preclinical phase that is associated with mucosal inflammation. Notably, experimental models of this disease have demonstrated that each of the three major complement activation pathways plays an important role in recognition of injured joint tissue, although the lectin and amplification pathways exhibit particularly impactful roles in the initiation and amplification of damage. Herein, we review the complement system and focus on its multi-factorial role in human patients with RA and experimental murine models. This understanding will be important to the successful integration of the emerging complement therapeutics pipeline into clinical care for patients with RA.
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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
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25
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Panneton V, Bagherzadeh Yazdchi S, Witalis M, Chang J, Suh WK. ICOS Signaling Controls Induction and Maintenance of Collagen-Induced Arthritis. THE JOURNAL OF IMMUNOLOGY 2018; 200:3067-3076. [PMID: 29581356 DOI: 10.4049/jimmunol.1701305] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Accepted: 03/02/2018] [Indexed: 01/23/2023]
Abstract
ICOS is a key costimulatory receptor facilitating differentiation and function of follicular helper T cells and inflammatory T cells. Rheumatoid arthritis patients were shown to have elevated levels of ICOS+ T cells in the synovial fluid, suggesting a potential role of ICOS-mediated T cell costimulation in autoimmune joint inflammation. In this study, using ICOS knockout and knockin mouse models, we found that ICOS signaling is required for the induction and maintenance of collagen-induced arthritis (CIA), a murine model of rheumatoid arthritis. For the initiation of CIA, the Tyr181-based SH2-binding motif of ICOS that is known to activate PI3K was critical for Ab production and expansion of inflammatory T cells. Furthermore, we found that Tyr181-dependent ICOS signaling is important for maintenance of CIA in an Ab-independent manner. Importantly, we found that a small molecule inhibitor of glycolysis, 3-bromopyruvate, ameliorates established CIA, suggesting an overlap between ICOS signaling, PI3K signaling, and glucose metabolism. Thus, we identified ICOS as a key costimulatory pathway that controls induction and maintenance of CIA and provide evidence that T cell glycolytic pathways can be potential therapeutic targets for rheumatoid arthritis.
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Affiliation(s)
- Vincent Panneton
- Institut de Recherches Cliniques de Montréal, Montreal, Quebec H2W 1R7, Canada.,Department of Microbiology, Infectiology, and Immunology, University of Montreal, Montreal, Quebec H3C 3J7, Canada
| | - Sahar Bagherzadeh Yazdchi
- Institut de Recherches Cliniques de Montréal, Montreal, Quebec H2W 1R7, Canada.,Department of Microbiology and Immunology, McGill University, Montreal, Quebec H3A 2B4, Canada; and
| | - Mariko Witalis
- Institut de Recherches Cliniques de Montréal, Montreal, Quebec H2W 1R7, Canada.,Molecular Biology Program, University of Montreal, Montreal, Quebec H1T 2M4, Canada
| | - Jinsam Chang
- Institut de Recherches Cliniques de Montréal, Montreal, Quebec H2W 1R7, Canada.,Molecular Biology Program, University of Montreal, Montreal, Quebec H1T 2M4, Canada
| | - Woong-Kyung Suh
- Institut de Recherches Cliniques de Montréal, Montreal, Quebec H2W 1R7, Canada; .,Department of Microbiology, Infectiology, and Immunology, University of Montreal, Montreal, Quebec H3C 3J7, Canada.,Department of Microbiology and Immunology, McGill University, Montreal, Quebec H3A 2B4, Canada; and.,Molecular Biology Program, University of Montreal, Montreal, Quebec H1T 2M4, Canada
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26
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Abstract
In vivo mouse models of inflammatory arthritis are extensively used to investigate pathogenic mechanisms governing inflammation-driven joint damage. Two commonly utilized models include collagen-induced arthritis (CIA) and methylated bovine serum albumin (mBSA) antigen-induced arthritis (AIA). These offer unique advantages for modeling different aspects of human disease. CIA involves breach of immunological tolerance resulting in systemic autoantibody-driven arthritis, while AIA results in local resolving inflammatory flares and articular T cell-mediated damage. Despite limitations that apply to all animal models of human disease, CIA and AIA have been instrumental in identifying pathogenic mediators, immune cell subsets and stromal cell responses that determine disease onset, progression, and severity. Moreover, these models have enabled investigation of disease phases not easily studied in patients and have served as testing beds for novel biological therapies, including cytokine blockers and small molecule inhibitors of intracellular signaling that have revolutionized rheumatoid arthritis treatment.
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MESH Headings
- Animals
- Antigens/adverse effects
- Arthritis, Experimental/etiology
- Arthritis, Experimental/metabolism
- Arthritis, Experimental/pathology
- Arthritis, Rheumatoid/etiology
- Arthritis, Rheumatoid/metabolism
- Arthritis, Rheumatoid/pathology
- Cytokines/metabolism
- Disease Models, Animal
- Humans
- Inflammation/etiology
- Inflammation/metabolism
- Inflammation/pathology
- Male
- Mice
- Mice, Inbred C57BL
- Mice, Inbred DBA
- Serum Albumin, Bovine/administration & dosage
- Serum Albumin, Bovine/immunology
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Affiliation(s)
- Gareth W Jones
- Division of Infection and Immunity, Systems Immunity University Research Institute, School of Medicine, Cardiff University, Cardiff, Wales, UK.
| | - David G Hill
- Division of Infection and Immunity, Systems Immunity University Research Institute, School of Medicine, Cardiff University, Cardiff, Wales, UK
| | - Katie Sime
- Division of Infection and Immunity, Systems Immunity University Research Institute, School of Medicine, Cardiff University, Cardiff, Wales, UK
| | - Anwen S Williams
- Division of Infection and Immunity, Systems Immunity University Research Institute, School of Medicine, Cardiff University, Cardiff, Wales, UK
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27
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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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28
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Muhlenbeck JA, Butz DE, Olson JM, Uribe-Cano D, Cook ME. Dietary Conjugated Linoleic Acid-c9t11 Prevents Collagen-Induced Arthritis, Whereas Conjugated Linoleic Acid-t10c12 Increases Arthritic Severity. Lipids 2017; 52:303-314. [DOI: 10.1007/s11745-017-4241-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Accepted: 03/03/2017] [Indexed: 10/20/2022]
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29
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Wang DH, Yang MC, Hsu WE, Hsu ML, Yu LM. Response of the temporomandibular joint tissue of rats to rheumatoid arthritis induction methods. J Dent Sci 2017; 12:83-90. [PMID: 30895028 PMCID: PMC6395284 DOI: 10.1016/j.jds.2016.12.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Revised: 12/02/2016] [Indexed: 12/20/2022] Open
Abstract
Background/purpose The pathogenesis of rheumatoid arthritis (RA)-related temporomandibular joint (TMJ) disorder remains unclear. Studies have reported the change of the TMJ after complete Freund's adjuvant (CFA) injection, which is consistent with osteoarthritis. However, few studies have reported that the tissue response of the TMJ in collagen-induced arthritis (CIA) can mimic RA. The present study was aimed to investigate the TMJ response in rat models by CFA-induced arthritis and CIA to verify the proper RA-related TMJ arthritis rat model. Materials and methods In total, 24 rats were randomly divided into four groups: (1) control group; (2) type I collagen injection group; (3) CFA-induced arthritis group; and (4) CIA group. Drugs were injected on Day 0, and the rats were sacrificed on Days 7 and 35. Next, TMJ tissue was collected for hematoxylin and eosin staining, and inflammatory gene (IL-1β and MMP3) expression was investigated. Results Compared with the control group, the type I collagen injection group confirmed the negative inflammatory response through hematoxylin and eosin staining and IL-1βand MMP3 expression. Although CFA-induced arthritis and CIA groups showed inflammatory response (P < 0.05) compared with the control group, histological changes were different. The 7-day CFA-induced arthritis group showed adaptive changes and partly recovered after 35 days of induction. In contrast, 7- and 35-day CIA groups underwent a degenerative process. Conclusion Considering the study limitations, the CIA method is a proper method to study the mechanism of RA-related TMJ arthritis.
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Affiliation(s)
- Ding-Han Wang
- School of Dentistry, National Yang-Ming University, Taipei, Taiwan
| | - Mu-Chen Yang
- School of Dentistry, National Yang-Ming University, Taipei, Taiwan
| | - Wun-Eng Hsu
- Department of Stomatology, Veterans General Hospital, Taipei, Taiwan
| | - Ming-Lun Hsu
- School of Dentistry, National Yang-Ming University, Taipei, Taiwan
| | - Ling-Ming Yu
- Department of Dentistry, Chang Gung Memorial Hospital, Taipei, Taiwan
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30
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Xu M, Guo Q, Wang S, Wang N, Wei L, Wang J. Anti-rheumatoid arthritic effects of Saussurea involucrata on type II collagen-induced arthritis in rats. Food Funct 2016; 7:763-70. [PMID: 26508519 DOI: 10.1039/c5fo00603a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Saussurea involucrata (SI) has long been used under the herbal name "snow lotus" for treatment of inflammation and pain-related diseases in traditional Chinese medicine. The present study aimed to evaluate the pharmacological effects of SI on collagen II (CII)-induced arthritis in rats. Rats with collagen II (CII)-induced arthritis were orally administered SI (420 mg kg(-1)) for 40 consecutive days. Histopathological examination indicated that SI alleviates infiltration of inflammatory cells and synovial hyperplasia and slows joint destruction. SI intervention reduced the serum levels of RF, COMP, CRP and anti-CII IgG. Results also showed that SI is a potential therapeutic agent for alleviating the severity of the disease based on the reduced arthritic index. It was concluded that SI can ameliorate inflammation and joint destruction in CIA rats.
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Affiliation(s)
- Meihong Xu
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing, PR China. and Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, Beijing, PR China
| | - Qianying Guo
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing, PR China. and Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, Beijing, PR China
| | - Shuangjia Wang
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing, PR China. and Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, Beijing, PR China
| | - Na Wang
- R&D Center of TIENS Ltd, Tianjin, PR China
| | - Liren Wei
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing, PR China. and Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, Beijing, PR China
| | - Junbo Wang
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing, PR China. and Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, Beijing, PR China
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31
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Artemisinin analogue SM934 attenuate collagen-induced arthritis by suppressing T follicular helper cells and T helper 17 cells. Sci Rep 2016; 6:38115. [PMID: 27897259 PMCID: PMC5126690 DOI: 10.1038/srep38115] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Accepted: 11/04/2016] [Indexed: 12/20/2022] Open
Abstract
SM934 is an artemisinin analogue with immunosuppressive properties and potent therapeutic activity against lupus-like diseases in autoimmune mice. In this report, the therapeutic efficacy and underlying mechanisms of SM934 on rheumatoid arthritis (RA) was investigated using collagen-induced arthritis (CIA) in DBA/1J mice. We demonstrated that SM934 treatment alleviate the severity of arthritis in CIA mice with established manifestations. The therapeutic benefits were associated with ameliorated joint swelling and reduced extent of bone erosion and destruction. Further, administration of SM934 diminished the development of T follicular helper (Tfh) cells and Th17 cells and suppressed the production of pathogenic antibodies, without altering the proportion of germinal center B cells. Ex vivo, SM934 treatment inhibited the bovine type II collagen (CII) induced proliferation and inflammatory cytokines secretion of CII -reactive T cells. In vitro, SM934 impeded the polarization of naïve CD4+ T cells into Tfh cells and the expression of its transcript factor Bcl-6. Moreover, SM934 decreased the IL-21-producing CD4+ T cells and dampened the IL-21 downstream signaling through STAT3. These finding offered the convincing evidence that artemisinin derivative might attenuate RA by simultaneously interfering with the generation of Tfh cells and Th17 cells as well as the subsequent antibody-mediated immune responses.
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32
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van der Velden D, Lagraauw HM, Wezel A, Launay P, Kuiper J, Huizinga TWJ, Toes REM, Bot I, Stoop JN. Mast cell depletion in the preclinical phase of collagen-induced arthritis reduces clinical outcome by lowering the inflammatory cytokine profile. Arthritis Res Ther 2016; 18:138. [PMID: 27296719 PMCID: PMC4907027 DOI: 10.1186/s13075-016-1036-8] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Accepted: 05/27/2016] [Indexed: 12/22/2022] Open
Abstract
Background Rheumatoid arthritis (RA) is a multifactorial autoimmune disease, which is characterized by inflammation of synovial joints leading to the destruction of cartilage and bone. Infiltrating mast cells can be found within the inflamed synovial tissue, however their role in disease pathogenesis is unclear. Therefore we have studied the role of mast cells during different phases of experimental arthritis. Methods We induced collagen-induced arthritis (CIA), the most frequently used animal model of arthritis, in an inducible mast cell knock-out mouse and determined the effect of mast cell depletion on the development and severity of arthritis. Results Depletion of mast cells in established arthritis did not affect clinical outcome. However, depletion of mast cells during the preclinical phase resulted in a significant reduction in arthritis. This reduction coincided with a decrease in circulating CD4+ T cells and inflammatory monocytes but not in the collagen-specific antibody levels. Mast cell depletion resulted in reduced levels of IL-6 and IL-17 in serum. Furthermore, stimulation of splenocytes from mast cell-depleted mice with collagen type II resulted in reduced levels of IL-17 and enhanced production of IL-10. Conclusions Here we show that mast cells contribute to the preclinical phase of CIA. Depletion of mast cells before disease onset resulted in an altered collagen-specific T cell and cytokine response. These data may suggest that mast cells play a role in the regulation of the adaptive immune response during the development of arthritis. Electronic supplementary material The online version of this article (doi:10.1186/s13075-016-1036-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Daniël van der Velden
- Division of Biopharmaceutics, Leiden Academic Centre for Drug Research, Leiden University, Leiden, The Netherlands.,Department of Rheumatology, Leiden University Medical Centre, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | - H Maxime Lagraauw
- Division of Biopharmaceutics, Leiden Academic Centre for Drug Research, Leiden University, Leiden, The Netherlands
| | - Anouk Wezel
- Division of Biopharmaceutics, Leiden Academic Centre for Drug Research, Leiden University, Leiden, The Netherlands
| | - Pierre Launay
- Université Paris Diderot, Sorbonne Paris Cité, Laboratoire d'Excellence INFLAMEX, Paris, France.,INSERM U1149, Centre de Recherche sur l'Inflammation, Université Paris Diderot, Paris, France
| | - Johan Kuiper
- Division of Biopharmaceutics, Leiden Academic Centre for Drug Research, Leiden University, Leiden, The Netherlands
| | - Tom W J Huizinga
- Department of Rheumatology, Leiden University Medical Centre, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | - René E M Toes
- Department of Rheumatology, Leiden University Medical Centre, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands.
| | - Ilze Bot
- Division of Biopharmaceutics, Leiden Academic Centre for Drug Research, Leiden University, Leiden, The Netherlands
| | - Jeroen N Stoop
- Department of Rheumatology, Leiden University Medical Centre, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
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Huebner SM, Olson JM, Campbell JP, Bishop JW, Crump PM, Cook ME. Low Dietary c9t11-Conjugated Linoleic Acid Intake from Dairy Fat or Supplements Reduces Inflammation in Collagen-Induced Arthritis. Lipids 2016; 51:807-19. [PMID: 27270404 DOI: 10.1007/s11745-016-4163-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Accepted: 05/10/2016] [Indexed: 11/26/2022]
Abstract
Dietary cis-9,trans-11 (c9t11) conjugated linoleic acid (CLA) fed at 0.5 % w/w was previously shown to attenuate inflammation in the murine collagen-induced (CA) arthritis model, and growing evidence implicates c9t11-CLA as a major anti-inflammatory component of dairy fat. To understand c9t11-CLA's contribution to dairy fat's anti-inflammatory action, the minimum amount of dietary c9t11-CLA needed to reduce inflammation must be determined. This study had two objectives: (1) determine the minimum dietary anti-inflammatory c9t11-CLA intake level in the CA model, and (2) compare this to anti-inflammatory effects of dairy fat (non-enriched, naturally c9t11-CLA-enriched, or c9t11-CLA-supplemented). Mice received the following dietary fat treatments (w/w) post arthritis onset: corn oil (6 % CO), 0.125, 0.25, 0.375, and 0.5 % c9t11-CLA, control butter (6 % CB), c9t11-enriched butter (6 % EB), or c9t11-CLA-supplemented butter (6 % SB, containing 0.2 % c9t11-CLA). Paw arthritic severity and pad swelling were scored and measured, respectively, over an 84-day study period. All c9t11-CLA and butter diets decreased the arthritic score (25-51 %, P < 0.01) and paw swelling (8-11 %, P < 0.01). Throughout the study, plasma tumor necrosis factor (TNFα) was elevated in CO-fed arthritic mice compared to non-arthritic (NA) mice but was reduced in 0.5 % c9t11-CLA- and EB-fed mice. Interleukin-1β and IL-6 were increased in arthritic CO-fed mice compared to NA mice but were reduced in 0.5 % c9t11-CLA- and EB-fed mice through day 42. In conclusion, 0.125 % c9t11-CLA reduced clinical arthritis as effectively as higher doses, and decreased arthritis in CB-fed mice suggested that the minimal anti-inflammatory levels of c9t11-CLA might be below 0.125 %.
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Affiliation(s)
- Shane M Huebner
- Department of Nutritional Sciences, University of Wisconsin-Madison, Madison, WI, 53706, USA
| | - Jake M Olson
- Molecular and Environmental Toxicology Program, University of Wisconsin-Madison, Madison, WI, 53706, USA
| | - James P Campbell
- Department of Nutritional Sciences, University of Wisconsin-Madison, Madison, WI, 53706, USA
| | - Jeffrey W Bishop
- Department of Animal Sciences, University of Wisconsin-Madison, Madison, WI, 53706, USA
| | - Peter M Crump
- Department of Computing and Biometry, University of Wisconsin-Madison, Madison, WI, 53706, USA
| | - Mark E Cook
- Department of Nutritional Sciences, University of Wisconsin-Madison, Madison, WI, 53706, USA.
- Molecular and Environmental Toxicology Program, University of Wisconsin-Madison, Madison, WI, 53706, USA.
- Department of Animal Sciences, University of Wisconsin-Madison, Madison, WI, 53706, USA.
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APL-1, an altered peptide ligand derived from heat-shock protein, alone or combined with methotrexate attenuates murine collagen-induced arthritis. Clin Exp Med 2016; 17:209-216. [PMID: 27160252 DOI: 10.1007/s10238-016-0412-7] [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: 10/08/2015] [Accepted: 02/13/2016] [Indexed: 12/19/2022]
Abstract
Induction of tolerance to autoantigens in vivo is a complex process that involves several mechanisms such as the induction of regulatory T cells and changes in the cytokine and chemokine profiles. This approach represents an attractive alternative for treatment of autoimmune diseases. APL-1 is an altered peptide ligand derived from a novel CD4 + T cell epitope of human heat-shock protein of 60 kDa (HSP60), an autoantigen involved in the pathogenesis of rheumatoid arthritis (RA). We have shown previously that this peptide efficiently inhibited the course of adjuvant-induced arthritis in Lewis rats and induced regulatory T cell (Treg) in ex vivo assay with PBMC isolated from RA patients. This study was undertaken to evaluate the therapeutic effect of APL-1 and its combination with methotrexate (MTX) in collagen-induced arthritis (CIA). CIA was induced in male DBA/1 mice at 8 weeks of age by immunization with chicken collagen. APL, MTX or both were administrated beginning from arthritis onset. Therapeutic effect was evaluated by arthritis and joint pathologic scores. In addition, TNFα and IL-10 in sera were measured by ELISA. Treg induction was assessed by FACS analysis. APL-1 inhibits efficiently the course of arthritis in CIA, similar to MTX. In addition, therapy with APL-1 plus MTX reduced CIA in mice, associated with an increase in Treg. These facts reinforce the therapeutic possibilities of APL-1 as a candidate drug for treatment of RA.
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Jansen DTSL, el Bannoudi H, Arens R, Habets KLL, Hameetman M, Huizinga TWJ, Stoop JN, Toes REM. Abatacept decreases disease activity in a absence of CD4(+) T cells in a collagen-induced arthritis model. Arthritis Res Ther 2015; 17:220. [PMID: 26290328 PMCID: PMC4545927 DOI: 10.1186/s13075-015-0731-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Accepted: 07/28/2015] [Indexed: 11/23/2022] Open
Abstract
Introduction Abatacept is a fusion protein of human cytotoxic T-lymphocyte–associated protein (CTLA)-4 and the Fc portion of human immunoglobulin G1 (IgG1). It is believed to be effective in the treatment of rheumatoid arthritis by inhibiting costimulation of T cells via blocking CD28–B7 interactions as CTLA-4 binds to both B7.1 (CD80) and B7.2 (CD86). However, the interaction of CD28 with B7 molecules is crucial for activation of naive cells, whereas it is unclear whether the action of already activated CD4+ T cells, which are readily present in established disease, also depends on this interaction. The aim of this study was to determine whether the mode of action of abatacept depends solely on its ability to halt T cell activation in established disease. Methods Arthritis was induced in thymectomized male DBA/1 mice by immunisation with bovine collagen type II. The mice were subsequently depleted for CD4+ T cells. Abatacept or control treatment was started when 80 % of the mice showed signs of arthritis. Arthritis severity was monitored by clinical scoring of the paws, and anti-collagen antibody levels over time were determined by enzyme-linked immunosorbent assay. Results Treatment with abatacept in the absence of CD4+ T cells resulted in lower disease activity. This was associated with decreasing levels of collagen-specific IgG1 and IgG2a antibodies, whereas the antibody levels in control or CD4+ T cell–depleted mice increased over time. Conclusions These results show that abatacept decreased disease activity in the absence of CD4+ T cells, indicating that the mode of action of abatacept in established arthritis does not depend entirely on its effects on CD4+ T cell activation.
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Affiliation(s)
- Diahann T S L Jansen
- Department of Rheumatology, Leiden University Medical Centre, PO Box 9600, 2300, RC, Leiden, the Netherlands.
| | - Hanane el Bannoudi
- Department of Rheumatology, Leiden University Medical Centre, PO Box 9600, 2300, RC, Leiden, the Netherlands.
| | - Ramon Arens
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Centre, PO Box 9600, 2300, RC, Leiden, the Netherlands.
| | - Kim L L Habets
- Department of Rheumatology, Leiden University Medical Centre, PO Box 9600, 2300, RC, Leiden, the Netherlands.
| | - Marjolijn Hameetman
- Department of Rheumatology, Leiden University Medical Centre, PO Box 9600, 2300, RC, Leiden, the Netherlands.
| | - Tom W J Huizinga
- Department of Rheumatology, Leiden University Medical Centre, PO Box 9600, 2300, RC, Leiden, the Netherlands.
| | - Jeroen N Stoop
- Department of Rheumatology, Leiden University Medical Centre, PO Box 9600, 2300, RC, Leiden, the Netherlands.
| | - René E M Toes
- Department of Rheumatology, Leiden University Medical Centre, PO Box 9600, 2300, RC, Leiden, the Netherlands.
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Orosa B, García S, Conde C. The autotaxin-lysophosphatidic acid pathway in pathogenesis of rheumatoid arthritis. Eur J Pharmacol 2015; 765:228-33. [PMID: 26297977 DOI: 10.1016/j.ejphar.2015.08.028] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2015] [Revised: 08/06/2015] [Accepted: 08/17/2015] [Indexed: 01/28/2023]
Abstract
Lysophosphatidic acid (LPA) is a phospholipid that is mainly produced by the hydrolysis of lysophosphatidylcholine (LPC) by lysophospholipase D, which is also called autotaxin (ATX). LPA interacts with specific G-protein coupled receptors and is involved in the regulation of cellular survival, proliferation, differentiation and motility. LPA also has roles in several pathological disorders, such as cancer and pulmonary, dermal and renal fibrosis. The involvement of the ATX-LPA pathway has recently been demonstrated in inflammatory responses and apoptosis of fibroblast-like synoviocytes (FLS) from patients with rheumatoid arthritis and during the development of experimental arthritis. This review summarises the current literature of the ATX-LPA pathway in rheumatoid arthritis.
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Affiliation(s)
- Beatriz Orosa
- Laboratorio de Reumatología Experimental (n°8), Instituto de Investigación Sanitaria de Santiago (IDIS) , Complejo Hospitalario Universitario de Santiago de Compostela (CHUS), Servicio Gallego de Salud (SERGAS), Travesia da Choupana s/n, Santiago de Compostela 15706, Spain
| | - Samuel García
- Laboratorio de Reumatología Experimental (n°8), Instituto de Investigación Sanitaria de Santiago (IDIS) , Complejo Hospitalario Universitario de Santiago de Compostela (CHUS), Servicio Gallego de Salud (SERGAS), Travesia da Choupana s/n, Santiago de Compostela 15706, Spain
| | - Carmen Conde
- Laboratorio de Reumatología Experimental (n°8), Instituto de Investigación Sanitaria de Santiago (IDIS) , Complejo Hospitalario Universitario de Santiago de Compostela (CHUS), Servicio Gallego de Salud (SERGAS), Travesia da Choupana s/n, Santiago de Compostela 15706, Spain.
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Wang Y, Sun W, Chen L, Xu X, Wu Y, Zhang J, Zhang Y. Anti-arthritic activity of Fu-Fang-Lu-Jiao-Shuang on collagen-induced arthritis in Balb/c mice and its underlying mechanisms. Pharmacogn Mag 2015; 11:242-9. [PMID: 25829761 PMCID: PMC4378120 DOI: 10.4103/0973-1296.153065] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2014] [Revised: 06/09/2014] [Accepted: 03/12/2015] [Indexed: 11/16/2022] Open
Abstract
Background: Rheumatoid arthritis (RA) is a common, autoimmune disorder characterized by progressive multiple joint destruction, deformity, disability and premature death in most patients. Fu-Fang-Lu-Jiao-Shuang (FFLJS) is an effective traditional Chinese medicine, which has long been used clinically to treat RA patients. Objective: The objective of this study is aimed to evaluate the anti-rheumatic effects of FFLJS on collagen induced arthritis (CIA) model, as well as the underlying mechanisms, which have not previously been explored. Materials and Methods: CIA was induced by immunization with type II collagen (CII) in male Balb/c mice. The mice in the onset of arthritis were treated daily with FFLJS (125 or 500 mg/kg) or 1% carboxymethyl cellulose-Na for 28 days. Paw thickness and arthritic score were evaluated to confirm the anti-arthritic effect of FFLJS on CIA in mice. Levels of anti-CII antibody, proinflammatory cytokines interleukin-1 (IL-1) β, IL-17, and tumor necrosis factor-α (TNF-α) as well as prostaglandin E-2 (PGE-2) in serum and histological changes in the ankle joint were also analyzed. In addition, expressions of matrix metalloproteinases-1 (MMP-1), MMP-3 and tissue inhibitors of matrix metalloproteases-1 (TIMP-1) in synovial tissue were also detected to further study the molecular mechanism of the anti-arthritic effects of FFLJS. Results: During therapeutic treatment, FFLJS significantly reduced paw thickness and arthritic score in CIA mice, decreased the amounts of TNF-α, IL-1 β, IL-17, PGE-2 and anti-CII antibody in serum. In addition, FFLJS treatment could prevent the bone destruction by reducing the expression of MMP-1 and MMP-3, increasing the expression of TIMP-1 in synovial tissue of CIA mice. Conclusion: These findings offer the convincing evidence for the first time that the anti-rheumatic effects of FFLJS might be related to down-regulation of TNF-α, IL-1 β, IL-17 and PGE-2 levels for acute arthritis, and regulation of MMP-1, MMP-3 and TIMP-1 protein expression for chronic arthritis.
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Affiliation(s)
- Yanyan Wang
- Department of Pharmacology, Yichang Central People's Hospital, Sanxia University, Yichang, China
| | - Weiguang Sun
- School of Pharmacy, Tongji Medical College, Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, Huazhong University of Science and Technology, Wuhan, China
| | - Laxia Chen
- Department of Pharmacology, Yichang Central People's Hospital, Sanxia University, Yichang, China
| | - Xin Xu
- School of Pharmacy, Tongji Medical College, Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, Huazhong University of Science and Technology, Wuhan, China
| | - Yunxia Wu
- School of Pharmacy, Tongji Medical College, Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, Huazhong University of Science and Technology, Wuhan, China
| | - Jinwen Zhang
- Department of Pharmacology, Tongji Hospital Affiliated to Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yonghui Zhang
- School of Pharmacy, Tongji Medical College, Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, Huazhong University of Science and Technology, Wuhan, China
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Tanner MR, Hu X, Huq R, Tajhya RB, Sun L, Khan FS, Laragione T, Horrigan FT, Gulko PS, Beeton C. KCa1.1 inhibition attenuates fibroblast-like synoviocyte invasiveness and ameliorates disease in rat models of rheumatoid arthritis. Arthritis Rheumatol 2015; 67:96-106. [PMID: 25252152 DOI: 10.1002/art.38883] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2014] [Accepted: 09/11/2014] [Indexed: 12/19/2022]
Abstract
OBJECTIVE Fibroblast-like synoviocytes (FLS) participate in joint inflammation and damage in rheumatoid arthritis (RA) and its animal models. The purpose of this study was to define the importance of KCa1.1 (BK, Maxi-K, Slo1, KCNMA1) channel expression and function in FLS and to establish these channels as potential new targets for RA therapy. METHODS We compared KCa1.1 expression levels in FLS from rats with pristane-induced arthritis (PIA) and in FLS from healthy rats. We then used ex vivo functional assays combined with small interfering RNA-induced knockdown, overexpression, and functional modulation of KCa1.1 in PIA FLS. Finally, we determined the effectiveness of modulating KCa1.1 in 2 rat models of RA, moderate PIA and severe collagen-induced arthritis (CIA). RESULTS We found that PIA FLS expressed the KCa1.1 channel as their major potassium channel, as has been found in FLS from patients with RA. In contrast, FLS from healthy rats expressed fewer of these channels. Inhibiting the function or expression of KCa1.1 ex vivo reduced proliferation and invasive properties of, as well as protease production by, PIA FLS, whereas opening native KCa1.1 or overexpressing the channel enhanced the invasiveness of both FLS from rats with PIA and FLS from healthy rats. Treatment with a KCa1.1 channel blocker at the onset of clinical signs stopped disease progression in the PIA and CIA models, reduced joint and bone damage, and inhibited FLS invasiveness and proliferation. CONCLUSION Our results demonstrate a critical role of KCa1.1 channels in the regulation of FLS invasiveness and suggest that KCa1.1 channels represent potential therapeutic targets in RA.
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The Role of Poly(ADP-ribose) Polymerase-1 in Rheumatoid Arthritis. Mediators Inflamm 2015; 2015:837250. [PMID: 26339143 PMCID: PMC4539103 DOI: 10.1155/2015/837250] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2014] [Accepted: 03/02/2015] [Indexed: 12/29/2022] Open
Abstract
Poly(ADP-ribose) polymerase-1 (PARP-1) is a nuclear enzyme with a crucial role in the maintenance of genomic stability. In addition to the role of PARP-1 in DNA repair, multiple studies have also demonstrated its involvement in several inflammatory diseases, such as septic shock, asthma, atherosclerosis, and stroke, as well as in cancer. In these diseases, the pharmacological inhibition of PARP-1 has shown a beneficial effect, suggesting that PARP-1 regulates their inflammatory processes. In recent years, we have studied the role of PARP-1 in rheumatoid arthritis, as have other researchers, and the results have shown that PARP-1 has an important function in the development of this disease. This review summarizes current knowledge on the effects of PARP-1 in rheumatoid arthritis.
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Shimizu K, Nakajima A, Sudo K, Liu Y, Mizoroki A, Ikarashi T, Horai R, Kakuta S, Watanabe T, Iwakura Y. IL-1 Receptor Type 2 Suppresses Collagen-Induced Arthritis by Inhibiting IL-1 Signal on Macrophages. THE JOURNAL OF IMMUNOLOGY 2015; 194:3156-68. [DOI: 10.4049/jimmunol.1402155] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Huang W, Liang Q, Chen J, Zhu H, Xie W, Wang Y, Yang B, Peng W, Xiong X. Quantitative proteomic analysis of synovial tissue from rats with collagen-induced arthritis. RSC Adv 2015. [DOI: 10.1039/c5ra18743e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
The pathway networks involved in RA pathological process were analyzed by Ingenuity pathway analysis (IPA).
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Affiliation(s)
- Wei Huang
- Institute of Integrated Medicine
- Xiangya Hospital
- Central South University
- Changsha
- PR China
| | - Qinghua Liang
- Institute of Integrated Medicine
- Xiangya Hospital
- Central South University
- Changsha
- PR China
| | - Jiang Chen
- Central of Telemedicine
- Xiangya Hospital
- Central South University
- Changsha
- PR China
| | - Hao Zhu
- Institute of Integrated Medicine
- The First Affiliated Hospital of Soochow University
- Soochow
- PR China
| | - Wei Xie
- Department of Pathology & Immunology
- Baylor College of Medicine
- Houston
- USA
| | - Yang Wang
- Institute of Integrated Medicine
- Xiangya Hospital
- Central South University
- Changsha
- PR China
| | - Bo Yang
- Institute of Integrated Medicine
- Xiangya Hospital
- Central South University
- Changsha
- PR China
| | - Weijun Peng
- Department of Integrated Chinese and Western Medicine
- The Second Xiangya Hospital
- Central South University
- Changsha 410011
- PR China
| | - Xingui Xiong
- Institute of Integrated Medicine
- Xiangya Hospital
- Central South University
- Changsha
- PR China
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Gabrielsson J, Hjorth S, Vogg B, Harlfinger S, Gutierrez PM, Peletier L, Pehrson R, Davidsson P. Modeling and design of challenge tests: Inflammatory and metabolic biomarker study examples. Eur J Pharm Sci 2014; 67:144-159. [PMID: 25435491 DOI: 10.1016/j.ejps.2014.11.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2014] [Accepted: 11/13/2014] [Indexed: 02/06/2023]
Abstract
Given the complexity of pharmacological challenge experiments, it is perhaps not surprising that design and analysis, and in turn interpretation and communication of results from a quantitative point of view, is often suboptimal. Here we report an inventory of common designs sampled from anti-inflammatory, respiratory and metabolic disease drug discovery studies, all of which are based on animal models of disease involving pharmacological and/or patho/physiological interaction challenges. The corresponding data are modeled and analyzed quantitatively, the merits of the respective approach discussed and inferences made with respect to future design improvements. Although our analysis is limited to these disease model examples, the challenge approach is generally applicable to the vast majority of pharmacological intervention studies. In the present five Case Studies results from pharmacodynamic effect models from different therapeutic areas were explored and analyzed according to five typical designs. Plasma exposures of test compounds were assayed by either liquid chromatography/mass spectrometry or ligand binding assays. To describe how drug intervention can regulate diverse processes, turnover models of test compound-challenger interaction, transduction processes, and biophase time courses were applied for biomarker response in eosinophil count, IL6 response, paw-swelling, TNFα response and glucose turnover in vivo. Case Study 1 shows results from intratracheal administration of Sephadex, which is a glucocorticoid-sensitive model of airway inflammation in rats. Eosinophils in bronchoalveolar fluid were obtained at different time points via destructive sampling and then regressed by the mixed-effects modeling. A biophase function of the Sephadex time course was inferred from the modeled eosinophil time courses. In Case Study 2, a mouse model showed that the time course of cytokine-induced IL1β challenge was altered with or without drug intervention. Anakinra reversed the IL1β induced cytokine IL6 response in a dose-dependent manner. This Case Study contained time courses of test compound (drug), challenger (IL1β) and cytokine response (IL6), which resulted in high parameter precision. Case Study 3 illustrates collagen-induced arthritis progression in the rat. Swelling scores (based on severity of hind paw swelling) were used to describe arthritis progression after the challenge and the inhibitory effect of two doses of an orally administered test compound. In Case Study 4, a cynomolgus monkey model for lipopolysaccharide LPS-induced TNFα synthesis and/or release was investigated. This model provides integrated information on pharmacokinetics and in vivo potency of the test compounds. Case Study 5 contains data from an oral glucose tolerance test in rats, where the challenger is the same as the pharmacodynamic response biomarker (glucose). It is therefore convenient to model the extra input of glucose simultaneously with baseline data and during intervention of a glucose-lowering compound at different dose levels. Typically time-series analyses of challenger- and biomarker-time data are necessary if an accurate and precise estimate of the pharmacodynamic properties of a test compound is sought. Erosion of data, resulting in the single-point assessment of drug action after a challenge test, should generally be avoided. This is particularly relevant for situations where one expects time-curve shifts, tolerance/rebound, impact of disease, or hormetic concentration-response relationships to occur.
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Affiliation(s)
- Johan Gabrielsson
- Department of Biomedical Sciences and Veterinary Public Health, Division of Pharmacology and Toxicology, Swedish University of Agricultural Sciences, Box 7028, SE-750 07 Uppsala, Sweden.
| | - Stephan Hjorth
- CVMD iMed Bioscience, AstraZeneca R&D Mölndal, R&D, Innovative Medicines, S-431 83 Mölndal, Sweden
| | - Barbara Vogg
- Novartis Institutes for Biomedical Research, DMPK/Nonclinical PK/PD, Fabrikstrasse 28, CH-4056 Basel, Switzerland
| | - Stephanie Harlfinger
- Novartis Institutes for BioMedical Research, Metabolism and Pharmacokinetics, CH-4002 Basel, Switzerland
| | | | - Lambertus Peletier
- Mathematical Institute, Leiden University, PB 9512, 2300 RA Leiden, The Netherlands
| | - Rikard Pehrson
- RIRA iMed DMPK, AstraZeneca R&D Mölndal, R&D, Innovative Medicines, S-431 83 Mölndal, Sweden
| | - Pia Davidsson
- CVMD iMed Translational Science, AstraZeneca R&D Mölndal, R&D, Innovative Medicines, S-431 83 Mölndal, Sweden
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Iizuka M, Wakasa Y, Tsuboi H, Asashima H, Hirota T, Kondo Y, Matsumoto I, Takaiwa F, Sumida T. Suppression of collagen-induced arthritis by oral administration of transgenic rice seeds expressing altered peptide ligands of type II collagen. PLANT BIOTECHNOLOGY JOURNAL 2014; 12:1143-52. [PMID: 24989432 DOI: 10.1111/pbi.12223] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2014] [Revised: 05/25/2014] [Accepted: 06/01/2014] [Indexed: 05/09/2023]
Abstract
Rheumatoid arthritis (RA) is an autoimmune disease associated with the recognition of self proteins secluded in arthritic joints. We previously reported that altered peptide ligands (APLs) of type II collagen (CII256-271) suppress the development of collagen-induced arthritis (CIA). In this study, we generated transgenic rice expressing CII256-271 and APL6 contained in fusion proteins with the rice storage protein glutelin in the seed endosperm. These transgene products successfully and stably accumulated at high levels (7-24 mg/g seeds) in protein storage vacuoles (PB-II) of mature seeds. We examined the efficacy of these transgenic rice seeds by performing oral administration of the seeds to CIA model mice that had been immunized with CII. Treatment with APL6 transgenic rice for 14 days significantly inhibited the development of arthritis (based on clinical score) and delayed disease onset during the early phase of arthritis. These effects were mediated by the induction of IL-10 from CD4(+ ) CD25(-) T cells against CII antigen in splenocytes and inguinal lymph nodes (iLNs), and treatment of APL had no effect on the production of IFN-γ, IL-17, IL-2 or Foxp3(+) Treg cells. These findings suggest that abnormal immune suppressive mechanisms are involved in the therapeutic effect of rice-based oral vaccine expressing high levels of APLs of type II collagen on the autoimmune disease CIA, suggesting that the seed-based mucosal vaccine against CIA functions via a unique mechanism.
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Affiliation(s)
- Mana Iizuka
- Department of Internal Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
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Nigrovic PA. Review: is there a window of opportunity for treatment of systemic juvenile idiopathic arthritis? Arthritis Rheumatol 2014; 66:1405-13. [PMID: 24623686 DOI: 10.1002/art.38615] [Citation(s) in RCA: 135] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2013] [Accepted: 02/27/2014] [Indexed: 12/13/2022]
Affiliation(s)
- Peter A Nigrovic
- Boston Children's Hospital, Brigham and Women's Hospital, and Harvard Medical School, Boston, Massachusetts
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Heo R, Park JS, Jang HJ, Kim SH, Shin JM, Suh YD, Jeong JH, Jo DG, Park JH. Hyaluronan nanoparticles bearing γ-secretase inhibitor: in vivo therapeutic effects on rheumatoid arthritis. J Control Release 2014; 192:295-300. [PMID: 25109660 DOI: 10.1016/j.jconrel.2014.07.057] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Revised: 07/11/2014] [Accepted: 07/30/2014] [Indexed: 11/29/2022]
Abstract
γ-Secretase inhibitors which prevent Notch activation are emerging as potent therapeutics for various inflammatory diseases, including ischemic stroke and rheumatoid arthritis. However, their indiscriminate distribution in the body causes serious side effects after systemic administration, since Notch proteins are ubiquitous receptors that play an important role in cellular functions such as differentiation, proliferation, and apoptosis. In this study, hyaluronan nanoparticles (HA-NPs) bearing a γ-secretase inhibitor (DAPT) were prepared as potential therapeutics for rheumatoid arthritis. In vivo biodistribution of the DAPT-loaded HA-NPs (DNPs), labeled with near-infrared dye, were observed using a non-invasive optical imaging system after systemic administration to a collagen-induced arthritis (CIA) mouse model. The results demonstrated that DNPs were effectively accumulated at the inflamed joint of the CIA mice. From the in vivo therapeutic efficacy tests, DNPs (1mg DAPT/kg) significantly attenuated the severity of RA induction compared to DAPT alone (2mg/kg), which was judged from clinical scores, tissue damage, and neutrophil infiltration. In addition, DNPs dramatically reduced the production of pro-inflammatory cytokines (TNF-α, IFN-γ, MCP-1, and IL-6, -12, -17) and collagen-specific auto-antibodies (IgG1 and IgG2a) in the serum of the CIA mice. These results suggest that DNPs have potential as therapeutics for rheumatoid arthritis.
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Affiliation(s)
- Roun Heo
- Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Suwon 440-746, Republic of Korea
| | - Jong-Sung Park
- School of Pharmacy, Sungkyunkwan University, Suwon 440-746, Republic of Korea
| | - Hye Jin Jang
- School of Chemical Engineering, Sungkyunkwan University, Suwon 440-746, Republic of Korea
| | - Seol-Hee Kim
- School of Pharmacy, Sungkyunkwan University, Suwon 440-746, Republic of Korea
| | - Jung Min Shin
- School of Chemical Engineering, Sungkyunkwan University, Suwon 440-746, Republic of Korea
| | - Yung Doug Suh
- School of Chemical Engineering, Sungkyunkwan University, Suwon 440-746, Republic of Korea; NanoBio Fusion Research Center, Korea Research Institute of Chemical Technology, Daejeon 305-600, Republic of Korea
| | - Ji Hoon Jeong
- School of Pharmacy, Sungkyunkwan University, Suwon 440-746, Republic of Korea
| | - Dong-Gyu Jo
- Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Suwon 440-746, Republic of Korea; School of Pharmacy, Sungkyunkwan University, Suwon 440-746, Republic of Korea.
| | - Jae Hyung Park
- Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Suwon 440-746, Republic of Korea; School of Chemical Engineering, Sungkyunkwan University, Suwon 440-746, Republic of Korea; NanoBio Fusion Research Center, Korea Research Institute of Chemical Technology, Daejeon 305-600, Republic of Korea.
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46
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Abstract
Collagen-induced arthritis (CIA), the classical animal model for experimental arthritis, resembles human rheumatoid arthritis in several aspects. However, the most widely used method of inducing CIA utilizes Freund's adjuvants, which can skew the elicited immune responses and also pose toxicity problems. This unit describes a new method of inducing CIA using a well defined stimuli-responsive synthetic polymer, poly-N-isopropylacrylamide-based adjuvant, mixed with the joint cartilage protein collagen type II (CII). PNiPAAm as an adjuvant is biodegradable and biocompatible, and does not skew immune responses. Thus, it is helpful in the development of arthritis models for studying antigen and tissue -specific autoimmune responses in an unbiased manner. This model is valuable for analyzing disease pathways, positional identification of genes regulating arthritis, validation of existing therapies, and exploring new therapeutic targets. Furthermore, this newly developed PNiPAAm adjuvant allows investigation of disease induction using specific autoantigens in several autoimmune diseases independently of toll-like receptors, as well as optimization of vaccine delivery systems for infectious diseases.
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Choi JH, Lee JH, Roh KH, Seo SK, Choi IW, Park SG, Lim JG, Lee WJ, Kim MH, Cho KR, Kim YJ. Gallium nitrate ameliorates type II collagen-induced arthritis in mice. Int Immunopharmacol 2014; 20:269-75. [PMID: 24656780 DOI: 10.1016/j.intimp.2014.03.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2013] [Revised: 03/05/2014] [Accepted: 03/06/2014] [Indexed: 10/25/2022]
Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune inflammatory disease. Gallium nitrate has been reported to reserve immunosuppressive activities. Therefore, we assessed the therapeutic effects of gallium nitrate in the mouse model of developed type II collagen-induced arthritis (CIA). CIA was induced by bovine type II collagen with Complete Freund's adjuvant. CIA mice were intraperitoneally treated from day 36 to day 49 after immunization with 3.5mg/kg/day, 7mg/kg/day gallium nitrate or vehicle. Gallium nitrate ameliorated the progression of mice with CIA. The clinical symptoms of collagen-induced arthritis did not progress after treatment with gallium nitrate. Gallium nitrate inhibited the increase of CD4(+) T cell populations (p<0.05) and also inhibited the type II collagen-specific IgG2a-isotype autoantibodies (p<0.05). Gallium nitrate reduced the serum levels of TNF-α, IL-6 and IFN-γ (p<0.05) and the mRNA expression levels of these cytokine and MMPs (MMP2 and MMP9) in joint tissues. Western blotting of members of the NF-κB signaling pathway revealed that gallium nitrate inhibits the activation of NF-κB by blocking IκB degradation. These data suggest that gallium nitrate is a potential therapeutic agent for autoimmune inflammatory arthritis through its inhibition of the NF-κB pathway, and these results may help to elucidate gallium nitrate-mediated mechanisms of immunosuppression in patients with RA.
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Affiliation(s)
- Jae-Hyeog Choi
- Department of Microbiology and Immunology, College of Medicine, Inje University, Busan, Republic of Korea
| | - Jong-Hwan Lee
- Department of Anesthesiology and Pain Medicine, College of Medicine, Dong-A University, Busan, Republic of Korea
| | - Kug-Hwan Roh
- Department of Microbiology and Immunology, College of Medicine, Inje University, Busan, Republic of Korea
| | - Su-Kil Seo
- Department of Microbiology and Immunology, College of Medicine, Inje University, Busan, Republic of Korea
| | - Il-Whan Choi
- Department of Microbiology and Immunology, College of Medicine, Inje University, Busan, Republic of Korea
| | - Sae-Gwang Park
- Department of Microbiology and Immunology, College of Medicine, Inje University, Busan, Republic of Korea
| | - Jun-Goo Lim
- Shin Tong Pain Clinic, Busan, Republic of Korea
| | - Won-Jin Lee
- Department of Anesthesiology and Pain Medicine, Busan Paik Hospital, College of Medicine, Inje University, Busan, Republic of Korea
| | - Myoung-Hun Kim
- Department of Anesthesiology and Pain Medicine, Busan Paik Hospital, College of Medicine, Inje University, Busan, Republic of Korea
| | - Kwang-rae Cho
- Department of Anesthesiology and Pain Medicine, Busan Paik Hospital, College of Medicine, Inje University, Busan, Republic of Korea
| | - Young-Jae Kim
- Department of Anesthesiology and Pain Medicine, Busan Paik Hospital, College of Medicine, Inje University, Busan, Republic of Korea.
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Raposo B, Dobritzsch D, Ge C, Ekman D, Xu B, Lindh I, Förster M, Uysal H, Nandakumar KS, Schneider G, Holmdahl R. Epitope-specific antibody response is controlled by immunoglobulin V(H) polymorphisms. ACTA ACUST UNITED AC 2014; 211:405-11. [PMID: 24534192 PMCID: PMC3949579 DOI: 10.1084/jem.20130968] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Epitope-specific antibody responses recognized by germline-encoded structures are of significant relevance for the development of autoantibody-mediated autoimmune diseases. Autoantibody formation is essential for the development of certain autoimmune diseases like rheumatoid arthritis (RA). Anti-type II collagen (CII) antibodies are found in RA patients; they interact with cartilage in vivo and are often highly pathogenic in the mouse. Autoreactivity to CII is directed to multiple epitopes and conserved between mice and humans. We have previously mapped the antibody response to CII in a heterogeneous stock cohort of mice, with a strong association with the IgH locus. We positioned the genetic polymorphisms and determined the structural requirements controlling antibody recognition of one of the major CII epitopes. Polymorphisms at positions S31R and W33T of the associated variable heavy chain (VH) allele were identified and confirmed by gene sequencing. The Fab fragment binding the J1 epitope was crystallized, and site-directed mutagenesis confirmed the importance of those two variants for antigen recognition. Back mutation to germline sequence provided evidence for a preexisting recognition of the J1 epitope. These data demonstrate a genetic association of epitope-specific antibody responses with specific VH alleles, and it highlights the importance of germline-encoded antibodies in the pathogenesis of antibody-mediated autoimmune diseases.
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Affiliation(s)
- Bruno Raposo
- Section for Medical Inflammation Research and 2 Section for Molecular Structural Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, 171 77 Stockholm, Sweden
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Huebner SM, Olson JM, Campbell JP, Bishop JW, Crump PM, Cook ME. Dietary trans-10,cis-12 CLA reduces murine collagen-induced arthritis in a dose-dependent manner. J Nutr 2014; 144:177-84. [PMID: 24285692 DOI: 10.3945/jn.113.182550] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Dietary trans-10,cis-12 (t10c12) conjugated linoleic acid (CLA) has been shown to reduce inflammation in a murine collagen-induced arthritis (CA) model. To understand the anti-inflammatory potential of t10c12-CLA in the diet, the minimum dose of pure dietary t10c12-CLA capable of reducing CA was investigated. Because plasma inflammatory cytokines often do not reflect the progression of late-stage arthritis, inflamed tissue cytokine concentrations were also investigated in relation to increasing dietary t10c12-CLA amounts. Mice were randomly assigned to the following dietary treatments upon the establishment of arthritis: corn oil (CO) or 0.125%, 0.25%, 0.375%, or 0.5% t10c12-CLA (wt:wt) for 84 d. Sham mice (no arthritis) were fed CO and served as controls. Arthritic paw score, based on subjective assessment of arthritic severity, and paw thickness decreased linearly overall [16-65% (P < 0.001) and 0.5-12% (P < 0.001), respectively] as dietary t10c12-CLA increased (P < 0.001, R(2) < 0.81). Increasing dietary t10c12-CLA was associated with a decrease in plasma interleukin (IL)-1β at days 21 and 42 compared with CO-fed arthritic mice, such that mice fed ≥0.25% t10c12-CLA had IL-1β concentrations that were similar to sham mice. Plasma cytokines returned to sham mice concentrations by day 63 regardless of treatment; however, an arthritis-induced elevation in paw IL-1β decreased linearly as dietary t10c12-CLA concentrations increased at day 84 (P = 0.007, R(2) = 0.92). Similarly, increasing dietary t10c12-CLA linearly decreased paw tumor necrosis factor (TNF)-α (P = 0.05, R(2) = 0.70). In conclusion, ≥0.125% t10c12-CLA dose-dependently reduced inflammation in a murine CA model.
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50
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Proteoglycan aggrecan conducting T cell activation and apoptosis in a murine model of rheumatoid arthritis. BIOMED RESEARCH INTERNATIONAL 2014; 2014:942148. [PMID: 24605340 PMCID: PMC3925549 DOI: 10.1155/2014/942148] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2013] [Accepted: 10/24/2013] [Indexed: 11/17/2022]
Abstract
Rheumatoid arthritis (RA) is a systemic autoimmune disease and its targeting of the joints indicates the presence of a candidate autoantigen(s) in synovial joints. Patients with RA show immune responses in their peripheral blood to proteoglycan (PG) aggrecan. One of the most relevant animal models of RA appears to be proteoglycan-induced arthritis (PGIA), and CD4+ T cells seem to play a crucial role in the initiation of the disease. In this review, the role of various T cell epitopes of aggrecan in the induction of autoreactive T cell activation and arthritis is discussed. We pay special attention to two critically important arthritogenic epitopes, 5/4E8 and P135H, found in the G1 and G3 domains of PG aggrecan, respectively, in the induction of autoimmune arthritis. Finally, results obtained with the recently developed PG-specific TCR transgenic mice system showed that altered T cell apoptosis, the balance of activation, and apoptosis of autoreactive T cells are critical factors in the development of autoimmunity.
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