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Li M, Kim YM, Koh JH, Park J, Kwon HM, Park JH, Jin J, Park Y, Kim D, Kim WU. Serum amyloid A expression in liver promotes synovial macrophage activation and chronic arthritis via NFAT5. J Clin Invest 2024; 134:e167835. [PMID: 38426494 PMCID: PMC10904059 DOI: 10.1172/jci167835] [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: 12/08/2022] [Accepted: 01/05/2024] [Indexed: 03/02/2024] Open
Abstract
Nuclear factor of activated T-cells 5 (NFAT5), an osmo-sensitive transcription factor, can be activated by isotonic stimuli, such as infection. It remains unclear, however, whether NFAT5 is required for damage-associated molecular pattern-triggered (DAMP-triggered) inflammation and immunity. Here, we found that several DAMPs increased NFAT5 expression in macrophages. In particular, serum amyloid A (SAA), primarily generated by the liver, substantially upregulated NFAT5 expression and activity through TLR2/4-JNK signalling pathway. Moreover, the SAA-TLR2/4-NFAT5 axis promoted migration and chemotaxis of macrophages in an IL-6- and chemokine ligand 2-dependent (CCL2-dependent) manner in vitro. Intraarticular injection of SAA markedly accelerated macrophage infiltration and arthritis progression in mice. By contrast, genetic ablation of NFAT5 or TLR2/4 rescued the pathology induced by SAA, confirming the SAA-TLR2/4-NFAT5 axis in vivo. Myeloid-specific depletion of NFAT5 also attenuated SAA-accelerated arthritis. Of note, inflammatory arthritis in mice strikingly induced SAA overexpression in the liver. Conversely, forced overexpression of the SAA gene in the liver accelerated joint damage, indicating that the liver contributes to bolstering chronic inflammation at remote sites by secreting SAA. Collectively, this study underscores the importance of the SAA-TLR2/4-NFAT5 axis in innate immunity, suggesting that acute phase reactant SAA mediates mutual interactions between liver and joints and ultimately aggravates chronic arthritis by enhancing macrophage activation.
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Affiliation(s)
- Meiling Li
- Center for Integrative Rheumatoid Transcriptomics and Dynamics
- Department of Biomedicine and Health Sciences, and
- Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Yu-Mi Kim
- Center for Integrative Rheumatoid Transcriptomics and Dynamics
- Department of Biomedicine and Health Sciences, and
| | - Jung Hee Koh
- Division of Rheumatology, Department of Internal Medicine, Uijeoungbu St.Mary’s hospital, the Catholic University of Korea, Uijeoungbu, Republic of Korea
| | - Jihyun Park
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - H. Moo Kwon
- School of Nano-Bioscience and Chemical Engineering, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
| | - Jong-Hwan Park
- Department of Laboratory Animal Medicine, College of Veterinary Medicine, Chonnam National University, Gwangju, Republic of Korea
| | - Jingchun Jin
- Department of Immunology of Yanbian University Hospital, Yanji, Jilin Province, China
- Key Laboratory of Science and Technology Department (Jilin Province), Cancer Research Center, Yanji, Jilin Province, China
| | - Youngjae Park
- Department of Biomedicine and Health Sciences, and
- Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Donghyun Kim
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea
- Department of Microbiology and Immunology, Seoul National University College of Medicine, Seoul, Republic of Korea
- Institute of Endemic Diseases, Seoul National University Medical Research Center, Seoul, Republic of Korea
| | - Wan-Uk Kim
- Center for Integrative Rheumatoid Transcriptomics and Dynamics
- Department of Biomedicine and Health Sciences, and
- Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
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Chen Y, Chen L, Xu H, Cao R, Morisseau C, Zhang M, Shi Y, Hammock BD, Wang J, Zhuang J, Liu Z, Chen G. Structure-Directed Discovery of Potent Soluble Epoxide Hydrolase Inhibitors for the Treatment of Inflammatory Diseases. J Med Chem 2023; 66:2979-3009. [PMID: 36689364 PMCID: PMC9974930 DOI: 10.1021/acs.jmedchem.2c01996] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Soluble epoxide hydrolase (sEH) has been identified as an attractive target for anti-inflammatory drug design in recent years. Picomolar level compound G1 against sEH was obtained by introducing the hydrophilic group homopiperazine and hydrophobic fragment propionyl onto the structure of lead compound A. G1 showed good microsomal stability, a moderate plasma protein binding rate, and good oral bioavailability and was well tolerated in rats. G1 has significant analgesic effects on CFA-induced AIA mice, ameliorated the pancreatic injury in acute pancreatitis induced by l-arginine, reversed pancreatic injury, edema, and neutrophil infiltration, and increased the survival time of C57BL/6 mice in a lipopolysaccharide (LPS)-induced sepsis model. Moreover the expression levels of sEH, COX-2, NOS-2, vascular cell adhesion molecule (VCAM), IL-6, MCP-5, and tumor necrosis factor α (TNF-α) were measured by Western blot or enzyme-linked immunosorbent assay (ELISA), with varying degrees of decrease. These results suggested that G1 is a drug candidate worthy of further evaluation for the treatment of inflammation-induced diseases such as arthritis, acute pancreatitis, and sepsis.
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Affiliation(s)
- Yuanguang Chen
- Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Lu Chen
- Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Huashen Xu
- Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Ruolin Cao
- Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Christophe Morisseau
- Department of Entomology and Nematology and UC Davis Comprehensive Cancer Center, University of California Davis, Davis, CA 95616, USA
| | - Maoying Zhang
- Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Yajie Shi
- Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Bruce D. Hammock
- Department of Entomology and Nematology and UC Davis Comprehensive Cancer Center, University of California Davis, Davis, CA 95616, USA
| | - Jieru Wang
- Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Junning Zhuang
- Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Zhongbo Liu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Guoliang Chen
- Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, China
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Yousaf H, Khan MIU, Ali I, Munir MU, Lee KY. Emerging role of macrophages in non-infectious diseases: An update. Biomed Pharmacother 2023; 161:114426. [PMID: 36822022 DOI: 10.1016/j.biopha.2023.114426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 02/16/2023] [Accepted: 02/17/2023] [Indexed: 02/23/2023] Open
Abstract
In the past three decades, a huge body of evidence through various research studies conducted on animal models, has demonstrated that the macrophages are centralized of all the leukocytes involved in diseases and, particularly, their role in non-infectious diseases has been studied extensively for which they have also been referred to as the "double-edged swords". The most versatile of all immunocytes, macrophages play a key role in health and diseases. Various experimental models have demonstrated the conventional paradigms such as the M1/M2 dichotomy, which is not as obvious and presents a complex characterization of the macrophages in the disease immunology. In human diseases, this M1-M2 continuum shows a complex web of mechanisms, which are majorly divided into the pro-inflammatory roles (derived mainly by the cytokines: IL-1, IL-6, IL-12, IL-23, and tumor necrosis factor) and anti-inflammatory roles (CCl-17, CCl-22, CCL-2, transforming growth factor (TGF), and interleukin-10), which are involved in the wound healing and pathogen-suppression. The conventional division of these macrophages as M1 and M2 is derived from the opposing functions of these macrophages; where M1 is involved in the tissue damage and pro-inflammatory roles and M2 promotes cell proliferation and the resolution of inflammation. Both these pathways down-regulate each other in diseases through a plethora of enzymatic and cytokine mediators.
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Affiliation(s)
- Hassan Yousaf
- Institute of Molecular Biology and Biotechnology (IMBB), University of Lahore, Lahore, Pakistan
| | - Malik Ihsan Ullah Khan
- Institute of Molecular Biology and Biotechnology (IMBB), University of Lahore, Lahore, Pakistan.
| | - Iftikhar Ali
- Department of Life Sciences, University of Management and Technology, Lahore, Pakistan
| | - Muhammad Usman Munir
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University Sakaka, Aljouf 72388, Saudi Arabia
| | - Ka Yiu Lee
- Swedish Winter Sports Research Centre, Department of Health Sciences, Mid Sweden University, Ostersund, Sweden.
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Feng ZW, Tang YC, Sheng XY, Wang SH, Wang YB, Liu ZC, Liu JM, Geng B, Xia YY. Screening and identification of potential hub genes and immune cell infiltration in the synovial tissue of rheumatoid arthritis by bioinformatic approach. Heliyon 2023; 9:e12799. [PMID: 36699262 PMCID: PMC9868484 DOI: 10.1016/j.heliyon.2023.e12799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 12/29/2022] [Accepted: 01/02/2023] [Indexed: 01/11/2023] Open
Abstract
Background Rheumatoid arthritis (RA) is an autoimmune disease that affects individuals of all ages. The basic pathological manifestations are synovial inflammation, pannus formation, and erosion of articular cartilage, bone destruction will eventually lead to joint deformities and loss of function. However, the specific molecular mechanisms of synovitis tissue in RA are still unclear. Therefore, this study aimed to screen and explore the potential hub genes and immune cell infiltration in RA. Methods Three microarray datasets (GSE12021, GSE55457, and GSE55235), from the Gene Expression Omnibus (GEO) database, have been analyzed to explore the potential hub genes and immune cell infiltration in RA. First, the LIMMA package was used to screen the differentially expression genes (DEGs) after removing the batch effect. Then the clusterProfiler package was used to perform functional enrichment analyses. Second, through weighted coexpression network analysis (WGCNA), the key module was identified in the coexpression network of the gene set. Third, the protein-protein interaction (PPI) network was constructed through STRING website and the module analysis was performed using Cytoscape software. Fourth, the CIBERSORT and ssGSEA algorithm were used to analyze the immune status of RA and healthy synovial tissue, and the associations between immune cell infiltration and RA-related diagnostic biomarkers were evaluated. Fifth, we used the quantitative reverse transcription-polymerase chain reaction (qRT-PCR) to validate the expression levels of the hub genes, and ROC curve analysis of hub genes for discriminating between RA and healthy tissue. Finally, the gene-drug interaction network was constructed using DrugCentral database, and identification of drug molecules based on hub genes using the Drug Signature Database (DSigDB) by Enrichr. Results A total of 679 DEGs were identified, containing 270 downregulated genes and 409 upregulated genes. DEGs were primarily enriched in immune response and chemokine signaling pathways, according to functional enrichment analysis of DEGs. WGCNA explored the co-expression network of the gene set and identified key modules, the blue module was selected as the key module associated with RA. Seven hub genes are identified when PPI network and WGCNA core modules are intersected. Immune infiltration analysis using CIBERSORT and ssGSEA algorithms revealed that multiple types of immune infiltration were found to be upregulated in RA tissue compared to normal tissue. Furthermore, the levels of 7 hub genes were closely related to the relative proportions of multiple immune cells in RA. The results of the qRT-PCR demonstrated that the relative expression levels of 6 hub genes (CD27, LCK, CD2, GZMB, IL7R, and IL2RG) were up-regulated in RA synovial tissue, compared with normal tissue. Simultaneously, ROC curves indicated that the above 6 hub genes had strong biomarker potential for RA (AUC >0.8). Conclusions Through bioinformatics analysis and qRT-PCR experiment, our study ultimately discovered 6 hub genes (CD27, LCK, CD2, GZMB, IL7R, and IL2RG) that closely related to RA. These findings may provide valuable direction for future RA clinical diagnosis, treatment, and associated research.
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Affiliation(s)
- Zhi-wei Feng
- Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, China,Gansu Province Orthopaedic Clinical Medicine Research Center, Lanzhou, China,Gansu Province Intelligent Orthopedics Industry Technology Center, Lanzhou, China,Department of Orthopaedics, Nanchong Central Hospital, The Second Clinical Institute of North Sichuan Medical College, Nanchong, China
| | - Yu-chen Tang
- Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, China,Gansu Province Orthopaedic Clinical Medicine Research Center, Lanzhou, China,Gansu Province Intelligent Orthopedics Industry Technology Center, Lanzhou, China
| | - Xiao-yun Sheng
- Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, China,Gansu Province Orthopaedic Clinical Medicine Research Center, Lanzhou, China,Gansu Province Intelligent Orthopedics Industry Technology Center, Lanzhou, China
| | - Sheng-hong Wang
- Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, China,Gansu Province Orthopaedic Clinical Medicine Research Center, Lanzhou, China,Gansu Province Intelligent Orthopedics Industry Technology Center, Lanzhou, China
| | - Yao-bin Wang
- Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, China,Gansu Province Orthopaedic Clinical Medicine Research Center, Lanzhou, China,Gansu Province Intelligent Orthopedics Industry Technology Center, Lanzhou, China
| | - Zhong-cheng Liu
- Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, China,Gansu Province Orthopaedic Clinical Medicine Research Center, Lanzhou, China,Gansu Province Intelligent Orthopedics Industry Technology Center, Lanzhou, China
| | - Jin-min Liu
- Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, China,Gansu Province Orthopaedic Clinical Medicine Research Center, Lanzhou, China,Gansu Province Intelligent Orthopedics Industry Technology Center, Lanzhou, China
| | - Bin Geng
- Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, China,Gansu Province Orthopaedic Clinical Medicine Research Center, Lanzhou, China,Gansu Province Intelligent Orthopedics Industry Technology Center, Lanzhou, China
| | - Ya-yi Xia
- Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, China,Gansu Province Orthopaedic Clinical Medicine Research Center, Lanzhou, China,Gansu Province Intelligent Orthopedics Industry Technology Center, Lanzhou, China,Corresponding author. No. 82 Cuiyingmen, Chengguan District, Lanzhou City, Gansu Province, China.;
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5
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Stec M, Czepiel M, Lenart M, Piestrzyńska-Kajtoch A, Plewka J, Bieniek A, Węglarczyk K, Szatanek R, Rutkowska-Zapała M, Guła Z, Kluczewska A, Baran J, Korkosz M, Siedlar M. Monocyte subpopulations display disease-specific miRNA signatures depending on the subform of Spondyloarthropathy. Front Immunol 2023; 14:1124894. [PMID: 37138886 PMCID: PMC10149963 DOI: 10.3389/fimmu.2023.1124894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 03/31/2023] [Indexed: 05/05/2023] Open
Abstract
Spondyloarthropathies (SpA) are a family of rheumatic disorders that could be divided into axial (axSpA) and peripheral (perSpA) sub-forms depending on the disease clinical presentation. The chronic inflammation is believed to be driven by innate immune cells such as monocytes, rather than self-reactive cells of adaptive immune system. The aim of the study was to investigate the micro-RNA (miRNA) profiles in monocyte subpopulations (classical, intermediate and non-classical subpopulations) acquired from SpA patients or healthy individuals in search for prospective disease specific and/or disease subtype differentiating miRNA markers. Several SpA-specific and axSpA/perSpA differentiating miRNAs have been identified that appear to be characteristic for specific monocyte subpopulation. For classical monocytes, upregulation of miR-567 and miR-943 was found to be SpA-specific, whereas downregulation of miR-1262 could serve as axSpA-differentiating, and the expression pattern of miR-23a, miR-34c, mi-591 and miR-630 as perSpA-differentiating markers. For intermediate monocytes, expression levels of miR-103, miR-125b, miR-140, miR-374, miR-376c and miR-1249 could be used to distinguish SpA patients from healthy donors, whereas the expression pattern of miR-155 was identified as characteristic for perSpA. For non-classical monocytes, differential expression of miR-195 was recognized as general SpA indicator, while upregulation of miR-454 and miR-487b could serve as axSpA-differentiating, and miR-1291 as perSpA-differentiating markers. Our data indicate for the first time that in different SpA subtypes, monocyte subpopulations bear disease-specific miRNA signatures that could be relevant for SpA diagnosis/differentiation process and may help to understand SpA etiopathology in the context of already known functions of monocyte subpopulations.
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Affiliation(s)
- Małgorzata Stec
- Department of Clinical Immunology, Institute of Pediatrics, Jagiellonian University Medical College, Krakow, Poland
| | - Marcin Czepiel
- Department of Clinical Immunology, Institute of Pediatrics, Jagiellonian University Medical College, Krakow, Poland
| | - Marzena Lenart
- Department of Clinical Immunology, Institute of Pediatrics, Jagiellonian University Medical College, Krakow, Poland
| | - Agata Piestrzyńska-Kajtoch
- Department of Animal Molecular Biology, National Research Institute of Animal Production, Balice, Poland
| | - Jacek Plewka
- Department of Chemistry, Jagiellonian University, Krakow, Poland
| | - Agnieszka Bieniek
- Department of Animal Molecular Biology, National Research Institute of Animal Production, Balice, Poland
| | - Kazimierz Węglarczyk
- Department of Clinical Immunology, Institute of Pediatrics, Jagiellonian University Medical College, Krakow, Poland
| | - Rafał Szatanek
- Department of Clinical Immunology, Institute of Pediatrics, Jagiellonian University Medical College, Krakow, Poland
| | - Magdalena Rutkowska-Zapała
- Department of Clinical Immunology, Institute of Pediatrics, Jagiellonian University Medical College, Krakow, Poland
| | - Zofia Guła
- Department of Rheumatology and Immunology, Jagiellonian University Medical College, Krakow, Poland
| | - Anna Kluczewska
- Department of Clinical Immunology, Institute of Pediatrics, Jagiellonian University Medical College, Krakow, Poland
| | - Jarosław Baran
- Department of Clinical Immunology, Institute of Pediatrics, Jagiellonian University Medical College, Krakow, Poland
| | - Mariusz Korkosz
- Department of Rheumatology and Immunology, Jagiellonian University Medical College, Krakow, Poland
| | - Maciej Siedlar
- Department of Clinical Immunology, Institute of Pediatrics, Jagiellonian University Medical College, Krakow, Poland
- *Correspondence: Maciej Siedlar,
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Sigalov AB. Inhibition of TREM-2 Markedly Suppresses Joint Inflammation and Damage in Experimental Arthritis. Int J Mol Sci 2022; 23:ijms23168857. [PMID: 36012120 PMCID: PMC9408405 DOI: 10.3390/ijms23168857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 08/04/2022] [Accepted: 08/07/2022] [Indexed: 11/16/2022] Open
Abstract
The triggering receptors expressed on myeloid cells (TREMs) are a family of activating immune receptors that regulate the inflammatory response. TREM-1, which is expressed on monocytes and/or macrophages and neutrophils, functions as an inflammation amplifier and plays a role in the pathogenesis of rheumatoid arthritis (RA). Unlike TREM-1, the role in RA of TREM-2, which is expressed on macrophages, immature monocyte-derived dendritic cells, osteoclasts, and microglia, remains unclear and controversial. TREM-2 ligands are still unknown, adding further uncertainty to our understanding of TREM-2 function. Previously, we demonstrated that TREM-1 blockade, using a ligand-independent TREM-1 inhibitory peptide sequence GF9 rationally designed by our signaling chain homooligomerization (SCHOOL) model of cell signaling, ameliorates collagen-induced arthritis (CIA) severity in mice. Here, we designed a TREM-2 inhibitory peptide sequence IA9 and tested it in the therapeutic CIA model, either as a free 9-mer peptide IA9, or as a part of a 31-mer peptide IA31 incorporated into lipopeptide complexes (IA31-LPC), for targeted delivery. We demonstrated that administration of IA9, but not a control peptide, after induction of arthritis diminished release of proinflammatory cytokines and dramatically suppressed joint inflammation and damage, suggesting that targeting TREM-2 may be a promising approach for the treatment of RA.
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Chen JY, Tian XY, Liu WJ, Wu BK, Wu YC, Zhu MX, Jin-Liu, Zhou X, Zheng YF, Ma XQ, Huang MQ. Importance of Gedunin in Antagonizing Rheumatoid Arthritis via Activating the Nrf2/ARE Signaling. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:6277760. [PMID: 35432723 PMCID: PMC9010203 DOI: 10.1155/2022/6277760] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 02/20/2022] [Accepted: 03/01/2022] [Indexed: 01/15/2023]
Abstract
Objective This study assessed the anti-arthritic effect and protection of Gedunin (GDN) on joint tissues and revealed the possible mechanism in suppressing rheumatoid arthritis (RA). Methods LPS-induced macrophages and TNF-α-stimulated synovial fibroblasts (MH7A) or IL-1β-stimulated primary rheumatoid arthritis synovial fibroblasts (RASFs) were used to evaluate the antiinflammatory effect of GDN. In addition, CIA-induced arthritis was employed here to evaluate the anti-arthritic effect. MTT and BRDU assays were utilized to evaluate the cell viability and proliferation, Q-PCR was conducted to detect the mRNA expression of cytokines, FACS was adopted to monitor ROS production, while western blotting (WB) and siRNA interference were applied in confirming the anti-arthritic effects of GDN via the Nrf2 signaling. Results. In vitro, cell viability was inhibited in macrophages and MH7A cells, but not in RASFs; but the proliferation of RASFs was significantly suppressed in time- and dose-dependent manners. GDN suppressed cytokine levels in LPS-stimulated macrophages and TNF-α-stimulated MH7A cells or RASFs. GDN suppressed ROS expression. Furthermore, GDN treatment notably dose-dependently decreased the mRNA and protein expression of iNOS in LPS-induced macrophages. sip62 interference results showed that GDN cause the less expression of HO-1 and Keap1 and also fail to inhibit cytokines after sip62 interference. In vivo, GDN effectively inhibited paw swelling, arthritis score, and arthritis incidence and cytokines. Conclusions Our study suggested that GDN exhibited strong antagonistic effect on arthritis both in vitro and in vivo via activation of Nrf2 signaling. Our work will provide a promising therapeutic strategy for RA.
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Affiliation(s)
- Jian-Yu Chen
- Fujian University of Traditional Chinese Medicine, School of Pharmacy, Fuzhou, Fujian 350122, China
| | - Xiao-Yun Tian
- Fujian University of Traditional Chinese Medicine, School of Pharmacy, Fuzhou, Fujian 350122, China
| | - Wen-Jing Liu
- Fujian University of Traditional Chinese Medicine, School of Pharmacy, Fuzhou, Fujian 350122, China
| | - Bao-Kun Wu
- Fujian University of Traditional Chinese Medicine, School of Pharmacy, Fuzhou, Fujian 350122, China
| | - Yue-Chan Wu
- LiuHe Township Health Center, No. 63, LiuHe Road, Qi Chun Liu He, Huang Gang 436328, China
| | - Ming-Xing Zhu
- Fujian University of Traditional Chinese Medicine, Institute of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China
| | - Jin-Liu
- Fujian University of Traditional Chinese Medicine, School of Pharmacy, Fuzhou, Fujian 350122, China
| | - Xian Zhou
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia
| | - Yan-Fang Zheng
- Fujian University of Traditional Chinese Medicine, School of Pharmacy, Fuzhou, Fujian 350122, China
| | - Xue-Qin Ma
- Department of Pharmaceutical Analysis, School of Pharmacy, Key Laboratory of Hui Ethnic Medicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan, Ningxia 750004, China
| | - Ming-Qing Huang
- Fujian University of Traditional Chinese Medicine, School of Pharmacy, Fuzhou, Fujian 350122, China
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Zhou WBS, Meng J, Zhang J. Does Low Grade Systemic Inflammation Have a Role in Chronic Pain? Front Mol Neurosci 2021; 14:785214. [PMID: 34858140 PMCID: PMC8631544 DOI: 10.3389/fnmol.2021.785214] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 10/21/2021] [Indexed: 12/17/2022] Open
Abstract
One of the major clinical manifestations of peripheral neuropathy, either resulting from trauma or diseases, is chronic pain. While it significantly impacts patients’ quality of life, the underlying mechanisms remain elusive, and treatment is not satisfactory. Systemic chronic inflammation (SCI) that we are referring to in this perspective is a state of low-grade, persistent, non-infective inflammation, being found in many physiological and pathological conditions. Distinct from acute inflammation, which is a protective process fighting against intruders, SCI might have harmful effects. It has been associated with many chronic non-communicable diseases. We hypothesize that SCI could be a predisposing and/or precipitating factor in the development of chronic pain, as well as associated comorbidities. We reviewed evidence from human clinical studies indicating the coexistence of SCI with various types of chronic pain. We also collated existing data about the sources of SCI and who could have it, showing that those individuals or patients having SCI usually have higher prevalence of chronic pain and psychological comorbidities. We thus elaborate on the need for further research in the connection between SCI and chronic pain. Several hypotheses have been proposed to explain these complex interactions.
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Affiliation(s)
- Wen Bo Sam Zhou
- The Alan Edwards Centre for Research on Pain, McGill University, Montreal, QC, Canada.,Faculty of Dentistry, McGill University, Montreal, QC, Canada
| | - JingWen Meng
- The Alan Edwards Centre for Research on Pain, McGill University, Montreal, QC, Canada.,Faculty of Dentistry, McGill University, Montreal, QC, Canada
| | - Ji Zhang
- The Alan Edwards Centre for Research on Pain, McGill University, Montreal, QC, Canada.,Faculty of Dentistry, McGill University, Montreal, QC, Canada.,Department of Neurology and Neurosurgery, Faculty of Medicine McGill University, Montreal, QC, Canada
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9
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Zubair K, You C, Kwon G, Kang K. Two Faces of Macrophages: Training and Tolerance. Biomedicines 2021; 9:biomedicines9111596. [PMID: 34829825 PMCID: PMC8615871 DOI: 10.3390/biomedicines9111596] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 10/25/2021] [Accepted: 10/29/2021] [Indexed: 01/16/2023] Open
Abstract
Macrophages are present in almost all body tissues. They detect and quickly respond to “environmental signals” in the tissue. Macrophages have been associated with numerous beneficial roles, such as host defense, wound healing, and tissue regeneration; however, they have also been linked to the development of diverse illnesses, particularly cancers and autoimmune disorders. Complex signaling, epigenetic, and metabolic pathways drive macrophage training and tolerance. The induced intracellular program differs depending on the type of initial stimuli and the tissue microenvironment. Due to the essential roles of macrophages in homeostatic and their association with the pathogenesis of inflammatory diseases, recent studies have investigated the molecular mechanisms of macrophage training and tolerance. This review discusses the role of factors involved in macrophage training and tolerance, along with the current studies in human diseases.
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10
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Kim J, Jung KH, Yoo J, Park JH, Yan HH, Fang Z, Lim JH, Kwon SR, Kim MK, Park HJ, Hong SS. PBT-6, a Novel PI3KC2γ Inhibitor in Rheumatoid Arthritis. Biomol Ther (Seoul) 2020; 28:172-183. [PMID: 31739383 PMCID: PMC7059814 DOI: 10.4062/biomolther.2019.153] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 10/15/2019] [Accepted: 10/17/2019] [Indexed: 12/29/2022] Open
Abstract
Phosphoinositide 3-kinase (PI3K) is considered as a promising therapeutic target for rheumatoid arthritis (RA) because of its involvement in inflammatory processes. However, limited studies have reported the involvement of PI3KC2γ in RA, and the underlying mechanism remains largely unknown. Therefore, we investigated the role of PI3KC2γ as a novel therapeutic target for RA and the effect of its selective inhibitor, PBT-6. In this study, we observed that PI3KC2γ was markedly increased in the synovial fluid and tissue as well as the PBMCs of patients with RA. PBT-6, a novel PI3KC2γ inhibitor, decreased the cell growth of TNF-mediated synovial fibroblasts and LPS-mediated macrophages. Furthermore, PBT-6 inhibited the PI3KC2γ expression and PI3K/ AKT signaling pathway in both synovial fibroblasts and macrophages. In addition, PBT-6 suppressed macrophage migration via CCL2 and osteoclastogenesis. In CIA mice, it significantly inhibited the progression and development of RA by decreasing arthritis scores and paw swelling. Three-dimensional micro-computed tomography confirmed that PBT-6 enhanced the joint structures in CIA mice. Taken together, our findings suggest that PI3KC2γ is a therapeutic target for RA, and PBT-6 could be developed as a novel PI3KC2γ inhibitor to target inflammatory diseases including RA.
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Affiliation(s)
- Juyoung Kim
- Department of Medicine, College of Medicine, Inha University, Incheon 22313, Republic of Korea
| | - Kyung Hee Jung
- Department of Medicine, College of Medicine, Inha University, Incheon 22313, Republic of Korea
| | - Jaeho Yoo
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Jung Hee Park
- Department of Medicine, College of Medicine, Inha University, Incheon 22313, Republic of Korea
| | - Hong Hua Yan
- Department of Medicine, College of Medicine, Inha University, Incheon 22313, Republic of Korea
| | - Zhenghuan Fang
- Department of Medicine, College of Medicine, Inha University, Incheon 22313, Republic of Korea
| | - Joo Han Lim
- Department of Medicine, College of Medicine, Inha University, Incheon 22313, Republic of Korea
| | - Seong-Ryul Kwon
- Department of Medicine, College of Medicine, Inha University, Incheon 22313, Republic of Korea
| | - Myung Ku Kim
- Department of Medicine, College of Medicine, Inha University, Incheon 22313, Republic of Korea
| | - Hyun-Ju Park
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Soon-Sun Hong
- Department of Medicine, College of Medicine, Inha University, Incheon 22313, Republic of Korea
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11
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Yang X, Li S, Zhao Y, Li S, Zhao T, Tai Y, Zhang B, Wang X, Wang C, Chen J, Wang Q, Zhang L, Xu D, Chang Y, Wei W. GRK2 Mediated Abnormal Transduction of PGE2-EP4-cAMP-CREB Signaling Induces the Imbalance of Macrophages Polarization in Collagen-Induced Arthritis Mice. Cells 2019; 8:cells8121596. [PMID: 31818003 PMCID: PMC6953022 DOI: 10.3390/cells8121596] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 12/05/2019] [Accepted: 12/06/2019] [Indexed: 12/19/2022] Open
Abstract
Rheumatoid arthritis (RA) is characterized by the massive infiltration of various chronic inflammatory cells in synovia. In synovial fluid of patients with RA, M1 macrophages are dominant among all subtypes of macrophages, the mechanisms of macrophages polarization imbalance in RA has not been fully illuminated. The prostaglandin E2 (PGE2) augments M2 polarization in part via the cyclic adenosine monophosphate (cAMP)-cyclic AMP responsive element binding (CREB) signaling. However, previous study found constant stimulus of PGE2 on fibroblast-like synovial cells of adjuvant arthritis rats induced the decrease of cAMP, which is primarily caused by G protein-coupled receptor kinase 2 (GRK2)-induced EP4 over- desensitization. Whether GRK2 mediated-EP4 over-desensitization reduces the level of cAMP and inhibits M2 polarization in RA is unclear. Here we observed M1 macrophages were dominant in peritoneal macrophages (PMs), bone-marrow-derived macrophages (BMMs) and synovial macrophages of collagen-induced arthritis (CIA) mice. PGE2 stimulated M2 polarization via the EP4-cAMP-CREB in normal mice, while failed to promote M2 polarization in the PMs of CIA mice. Further, we found the EP4 over-desensitization stimulated by PGE2 induced abnormal PGE2-cAMP-CREB signaling as well as the imbalance of macrophage polarization. Targeted disruption of GRK2 in Raw264.7 (RAW) through GRK2 siRNA or CRISPR/Cas9 downregulated the M1 macrophage markers, upregulated the M2 macrophage markers and the EP4 membrane localization. The reduced M1/M2 ratio and increased p-CREB expression were observed in BMMs and PMs of GRK2+/− mice. This study highlighted a novel role of GRK2 in regulating macrophages function in RA and provided new idea for precision treatment of RA.
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Affiliation(s)
- Xuezhi Yang
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-Inflammatory and Immune Medicine (Anhui Medical University), Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei 230032, China; (X.Y.); (S.L.); (Y.Z.); (S.L.); (T.Z.); (Y.T.); (B.Z.); (X.W.); (C.W.); (J.C.); (Q.W.); (L.Z.)
- Public Health and Preventive Medicine Postdoctoral Research Station of Anhui Medical University, Hefei 230032, China
| | - Susu Li
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-Inflammatory and Immune Medicine (Anhui Medical University), Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei 230032, China; (X.Y.); (S.L.); (Y.Z.); (S.L.); (T.Z.); (Y.T.); (B.Z.); (X.W.); (C.W.); (J.C.); (Q.W.); (L.Z.)
| | - Yingjie Zhao
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-Inflammatory and Immune Medicine (Anhui Medical University), Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei 230032, China; (X.Y.); (S.L.); (Y.Z.); (S.L.); (T.Z.); (Y.T.); (B.Z.); (X.W.); (C.W.); (J.C.); (Q.W.); (L.Z.)
| | - Siyu Li
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-Inflammatory and Immune Medicine (Anhui Medical University), Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei 230032, China; (X.Y.); (S.L.); (Y.Z.); (S.L.); (T.Z.); (Y.T.); (B.Z.); (X.W.); (C.W.); (J.C.); (Q.W.); (L.Z.)
| | - Tianjiao Zhao
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-Inflammatory and Immune Medicine (Anhui Medical University), Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei 230032, China; (X.Y.); (S.L.); (Y.Z.); (S.L.); (T.Z.); (Y.T.); (B.Z.); (X.W.); (C.W.); (J.C.); (Q.W.); (L.Z.)
| | - Yu Tai
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-Inflammatory and Immune Medicine (Anhui Medical University), Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei 230032, China; (X.Y.); (S.L.); (Y.Z.); (S.L.); (T.Z.); (Y.T.); (B.Z.); (X.W.); (C.W.); (J.C.); (Q.W.); (L.Z.)
| | - Bingjie Zhang
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-Inflammatory and Immune Medicine (Anhui Medical University), Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei 230032, China; (X.Y.); (S.L.); (Y.Z.); (S.L.); (T.Z.); (Y.T.); (B.Z.); (X.W.); (C.W.); (J.C.); (Q.W.); (L.Z.)
| | - Xinwei Wang
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-Inflammatory and Immune Medicine (Anhui Medical University), Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei 230032, China; (X.Y.); (S.L.); (Y.Z.); (S.L.); (T.Z.); (Y.T.); (B.Z.); (X.W.); (C.W.); (J.C.); (Q.W.); (L.Z.)
| | - Chun Wang
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-Inflammatory and Immune Medicine (Anhui Medical University), Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei 230032, China; (X.Y.); (S.L.); (Y.Z.); (S.L.); (T.Z.); (Y.T.); (B.Z.); (X.W.); (C.W.); (J.C.); (Q.W.); (L.Z.)
| | - Jingyu Chen
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-Inflammatory and Immune Medicine (Anhui Medical University), Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei 230032, China; (X.Y.); (S.L.); (Y.Z.); (S.L.); (T.Z.); (Y.T.); (B.Z.); (X.W.); (C.W.); (J.C.); (Q.W.); (L.Z.)
| | - Qingtong Wang
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-Inflammatory and Immune Medicine (Anhui Medical University), Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei 230032, China; (X.Y.); (S.L.); (Y.Z.); (S.L.); (T.Z.); (Y.T.); (B.Z.); (X.W.); (C.W.); (J.C.); (Q.W.); (L.Z.)
| | - Lingling Zhang
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-Inflammatory and Immune Medicine (Anhui Medical University), Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei 230032, China; (X.Y.); (S.L.); (Y.Z.); (S.L.); (T.Z.); (Y.T.); (B.Z.); (X.W.); (C.W.); (J.C.); (Q.W.); (L.Z.)
| | - Dexiang Xu
- Public Health and Preventive Medicine Postdoctoral Research Station of Anhui Medical University, Hefei 230032, China
- Correspondence: (D.X.); (Y.C.); (W.W.); Tel./Fax: +86-551-516-1209 (W.W.)
| | - Yan Chang
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-Inflammatory and Immune Medicine (Anhui Medical University), Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei 230032, China; (X.Y.); (S.L.); (Y.Z.); (S.L.); (T.Z.); (Y.T.); (B.Z.); (X.W.); (C.W.); (J.C.); (Q.W.); (L.Z.)
- Correspondence: (D.X.); (Y.C.); (W.W.); Tel./Fax: +86-551-516-1209 (W.W.)
| | - Wei Wei
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-Inflammatory and Immune Medicine (Anhui Medical University), Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei 230032, China; (X.Y.); (S.L.); (Y.Z.); (S.L.); (T.Z.); (Y.T.); (B.Z.); (X.W.); (C.W.); (J.C.); (Q.W.); (L.Z.)
- Correspondence: (D.X.); (Y.C.); (W.W.); Tel./Fax: +86-551-516-1209 (W.W.)
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12
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Bedoui Y, Guillot X, Sélambarom J, Guiraud P, Giry C, Jaffar-Bandjee MC, Ralandison S, Gasque P. Methotrexate an Old Drug with New Tricks. Int J Mol Sci 2019; 20:E5023. [PMID: 31658782 PMCID: PMC6834162 DOI: 10.3390/ijms20205023] [Citation(s) in RCA: 205] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 09/16/2019] [Accepted: 09/30/2019] [Indexed: 12/16/2022] Open
Abstract
Methotrexate (MTX) is the first line drug for the treatment of a number of rheumatic and non-rheumatic disorders. It is currently used as an anchor disease, modifying anti-rheumatic drug in the treatment of rheumatoid arthritis (RA). Despite the development of numerous new targeted therapies, MTX remains the backbone of RA therapy due to its potent efficacy and tolerability. There has been also a growing interest in the use of MTX in the treatment of chronic viral mediated arthritis. Many viruses-including old world alphaviruses, Parvovirus B19, hepatitis B/C virus, and human immunodeficiency virus-have been associated with arthritogenic diseases and reminiscent of RA. MTX may provide benefits although with the potential risk of attenuating patients' immune surveillance capacities. In this review, we describe the emerging mechanisms of action of MTX as an anti-inflammatory drug and complementing its well-established immunomodulatory activity. The mechanisms involve adenosine signaling modulation, alteration of cytokine networks, generation of reactive oxygen species and HMGB1 alarmin suppression. We also provide a comprehensive understanding of the mechanisms of MTX toxic effects. Lastly, we discussed the efficacy, as well as the safety, of MTX used in the management of viral-related rheumatic syndromes.
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Affiliation(s)
- Yosra Bedoui
- Unité Mixte de Recherche Processus Infectieux en Milieu Insulaire Tropical (PIMIT), INSERM U1187, CNRS 9192, IRD 249, Université de La Réunion-Plateforme Technologique CYROI-2, rue Maxime Rivière, 97490 Sainte-Clotilde, France.
| | - Xavier Guillot
- Service de Rhumatologie, CHU La Réunion site Félix Guyon, Allée des Topazes, CS11021, 97400 Saint Denis de La Réunion, France.
| | - Jimmy Sélambarom
- Unité Mixte de Recherche Processus Infectieux en Milieu Insulaire Tropical (PIMIT), INSERM U1187, CNRS 9192, IRD 249, Université de La Réunion-Plateforme Technologique CYROI-2, rue Maxime Rivière, 97490 Sainte-Clotilde, France.
| | - Pascale Guiraud
- Unité Mixte de Recherche Processus Infectieux en Milieu Insulaire Tropical (PIMIT), INSERM U1187, CNRS 9192, IRD 249, Université de La Réunion-Plateforme Technologique CYROI-2, rue Maxime Rivière, 97490 Sainte-Clotilde, France.
| | - Claude Giry
- Laboratoire de biologie, CNR associé des arbovirus, CHU La Réunion site Félix Guyon, Allée des Topazes, CS11021, 97400 Saint Denis de La Réunion, France.
| | - Marie Christine Jaffar-Bandjee
- Laboratoire de biologie, CNR associé des arbovirus, CHU La Réunion site Félix Guyon, Allée des Topazes, CS11021, 97400 Saint Denis de La Réunion, France.
| | - Stéphane Ralandison
- Service de Rhumatologie-Médecine Interne, CHU Morafeno, Route d'Ivoloina 501, Toamasina, Madagascar.
| | - Philippe Gasque
- Unité Mixte de Recherche Processus Infectieux en Milieu Insulaire Tropical (PIMIT), INSERM U1187, CNRS 9192, IRD 249, Université de La Réunion-Plateforme Technologique CYROI-2, rue Maxime Rivière, 97490 Sainte-Clotilde, France.
- Pôle de Biologie, secteur Laboratoire d'Immunologie Clinique et Expérimentale de la zone de l'Océan Indien (LICE-OI), CHU La Réunion site Félix Guyon, Allée des Topazes, CS11021, 97400 Saint Denis de La Réunion, France.
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Abstract
Knowledge of how the joint functions as an integrated unit in health and disease requires an understanding of the stromal cells populating the joint mesenchyme, including fibroblasts, tissue-resident macrophages and endothelial cells. Knowledge of the physiological and pathological mechanisms that involve joint mesenchymal stromal cells has begun to cast new light on why joint inflammation persists. The shared embryological origins of fibroblasts and endothelial cells might shape the behaviour of these cell types in diseased adult tissues. Cells of mesenchymal origin sustain inflammation in the synovial membrane and tendons by various mechanisms, and the important contribution of newly discovered fibroblast subtypes and their associated crosstalk with endothelial cells, tissue-resident macrophages and leukocytes is beginning to emerge. Knowledge of these mechanisms should help to shape the future therapeutic landscape and emphasizes the requirement for new strategies to address the pathogenic stroma and associated crosstalk between leukocytes and cells of mesenchymal origin.
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Ikari Y, Isozaki T, Tsubokura Y, Kasama T. Peficitinib Inhibits the Chemotactic Activity of Monocytes via Proinflammatory Cytokine Production in Rheumatoid Arthritis Fibroblast-Like Synoviocytes. Cells 2019; 8:cells8060561. [PMID: 31181818 PMCID: PMC6627593 DOI: 10.3390/cells8060561] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 06/05/2019] [Accepted: 06/07/2019] [Indexed: 12/22/2022] Open
Abstract
Background: This study was performed to examine the effects of the Janus kinase (JAK) inhibitor peficitinib on fibroblast-like synoviocytes (FLS) obtained from patients with rheumatoid arthritis (RA). Methods: To examine the expression of JAK1, JAK2, and JAK3 in RA synovial tissue (ST) and FLS, immunohistochemistry was performed. We investigated the effects of peficitinib on interleukin 6 and IL-6 receptor responses in RA FLS. Phosphorylation of STAT was determined by western blot. To examine the functional analysis of peficitinib, we performed a proliferation and chemotaxis assays with FLS using THP-1 and peripheral blood mononuclear cells (PBMC). The inflammatory mediator expression of FLS was estimated by enzyme-linked immunosorbent assay. Results: JAK1, JAK2, and JAK3 were expressed in RA STs and FLS. Phosphorylation of STAT1, STAT3, and STAT5 in RA FLS was suppressed by peficitinib in a concentration-dependent manner. Peficitinib-treated RA FLS-conditioned medium reduced THP-1 and PBMC migration (p < 0.05) and proliferation of RA FLS (p < 0.05). Peficitinib suppressed the secretion of MCP-1/CCL2 in the RA FLS supernatant (p < 0.05). Conclusion: Peficitinib suppressed the JAK-STAT pathway in RA FLS and also suppressed monocyte chemotaxis and proliferation of FLS through inhibition of inflammatory cytokines.
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Affiliation(s)
- Yuzo Ikari
- Division of Rheumatology, Department of Medicine, Showa University School of Medicine, Tokyo 142-8555, Japan.
| | - Takeo Isozaki
- Division of Rheumatology, Department of Medicine, Showa University School of Medicine, Tokyo 142-8555, Japan.
| | - Yumi Tsubokura
- Division of Rheumatology, Department of Medicine, Showa University School of Medicine, Tokyo 142-8555, Japan.
| | - Tsuyoshi Kasama
- Division of Rheumatology, Department of Medicine, Showa University School of Medicine, Tokyo 142-8555, Japan.
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15
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Effects of SHINBARO2 on Rat Models of Lumbar Spinal Stenosis. Mediators Inflamm 2019; 2019:7651470. [PMID: 31182933 PMCID: PMC6512060 DOI: 10.1155/2019/7651470] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Revised: 03/20/2019] [Accepted: 03/28/2019] [Indexed: 01/05/2023] Open
Abstract
Lumbar spinal stenosis (LSS) is a major cause of chronic low back pain; however, only a few therapies which have been used in clinics still have limited effects on functional recovery. SHINBARO2 is a refined traditional formulation for inflamed lesions and relieve pain of muscular skeletal disease. This study aimed at investigating the effects of SHINBARO2 on LSS and at determining its underlying molecular mechanism in rat models. The LSS rat models were set up by surgical operations in 6-week-old male Sprague-Dawley rats. SHINBARO2 was orally or intraperitoneally administered for 14 days. The motor and sensory ability of rats were evaluated using the activity cage and hot plate method. On the termination day, total vertebrae including the disc and spinal cord were excised for ex vivo study. SHINBARO2 improved locomotor functions and pain sensitivity in LSS rat models. Mechanism study suggested that SHINBARO2 inhibited the production of nitric oxide and prostaglandin E2 in tissues from LSS-induced rats. SHINBARO2 also suppressed the expression of proinflammatory cytokines including tumor necrosis factor-α and interleukin-1β. The activation of NF-κB by LSS surgery was effectively reduced by SHINBARO2, which coincided with the inhibition of IκB degradation. In addition, brain-derived neurotrophic factor (BDNF), a potent promoter of neurite growth, and its downstream ERK signaling were also regulated by SHINBARO2. These findings suggest that the effect of SHINBARO2 might be associated in part with the anti-inflammation and pain control in LSS rat models.
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16
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Zhang ZD, Li H, Wan F, Su XY, Lu Y, Chen DF, Zhang YY. Polysaccharides extracted from the roots of Bupleurum chinense DC modulates macrophage functions. Chin J Nat Med 2018; 15:889-898. [PMID: 29329645 DOI: 10.1016/s1875-5364(18)30004-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2016] [Indexed: 01/03/2023]
Abstract
The present study aimed to investigate the effects of polysaccharides extracted from Bupleurum chinense DC (BCPs) on macrophage functions. In the in vivo experiment, 1 mL of 5% sodium thioglycollate was injected into the abdomen of the mice on Day 0 and macrophages were harvested on Day 4. The macrophages were cultured in plates and treated with different concentrations of BCPs and stimulus. Effects of BCPs on macrophage functions were assessed by chemotaxis assay, phagocytosis assay and Enzyme-Linked Immunosorbent Assay (ELISA). Our results showed the enhanced chemotaxis, phagocytosis and secretion of nitric oxide (NO) and inflammatory cytokines by macrophages when treated with BCPs. However, when chemotaxis and phagocytosis were up-regulated by complement components or opsonized particles, BCPs inhibited these effects. Also, the NO production induced by lipopolysaccharides (LPS) was suppressed by BCPs mildly. Moreover, BCPs had an inhibitory effect on the [Ca2+]i elevation of macrophages. These results suggested that BCPs exerted modulatory effects on macrophage functions, which may contribute to developing novel approaches to treating inflammatory diseases.
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Affiliation(s)
- Zhi-De Zhang
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Hong Li
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Fen Wan
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Xiao-Yu Su
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Yan Lu
- Department of Pharmacognosy, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Dao-Feng Chen
- Department of Pharmacognosy, School of Pharmacy, Fudan University, Shanghai 201203, China.
| | - Yun-Yi Zhang
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai 201203, China.
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17
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PEP-1-PEA15 suppresses inflammatory responses by regulation of MAPK in macrophages and animal models. Immunobiology 2018; 223:709-717. [DOI: 10.1016/j.imbio.2018.07.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2018] [Revised: 07/10/2018] [Accepted: 07/17/2018] [Indexed: 12/19/2022]
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18
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Neog MK, Rasool M. Targeted delivery of p-coumaric acid encapsulated mannosylated liposomes to the synovial macrophages inhibits osteoclast formation and bone resorption in the rheumatoid arthritis animal model. Eur J Pharm Biopharm 2018; 133:162-175. [PMID: 30339889 DOI: 10.1016/j.ejpb.2018.10.010] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Revised: 10/13/2018] [Accepted: 10/15/2018] [Indexed: 12/21/2022]
Abstract
The current study aimed to target the delivery of p-coumaric acid (CA), a dietary polyphenol to the synovial macrophages of AIA rats via mannose incorporated liposomal delivery system (ML) with reference to osteoclastogenesis and bone resorption. In vivo imaging and in vitro drug release study indicated the efficiency of mannosylated liposomes to localize at the site of inflammation and increased sustain drug release respectively. Morphological assessment of isolated synovial macrophages with respect to CD86 (synovial macrophages) and CD51 (pre-/osteoclast) indicated that p-coumaric acid encapsulated mannosylated liposomes (ML-CA) inhibited the osteoclasts differentiation. ML-CA treatment inhibited the TRAP staining, downregulated the expression of MMP-9 and NFATc1 and inflammatory cytokines. The ex-vivo study specified the ability of CA to induce the OPG production in bone marrow stromal cell triggered macrophage-osteoclasts differentiation and to preserve the calcium content. Taken together, our results demonstrated that ML-CA could intervene in the osteoclast formation.
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Affiliation(s)
- Manoj Kumar Neog
- Immunopathology Lab, School of Bio Sciences and Technology, Vellore Institute of Technology (VIT), Vellore 632 014, Tamil Nadu, India
| | - Mahaboobkhan Rasool
- Immunopathology Lab, School of Bio Sciences and Technology, Vellore Institute of Technology (VIT), Vellore 632 014, Tamil Nadu, India.
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Zhao J, Zhao M, Yu C, Zhang X, Liu J, Cheng X, Lee RJ, Sun F, Teng L, Li Y. Multifunctional folate receptor-targeting and pH-responsive nanocarriers loaded with methotrexate for treatment of rheumatoid arthritis. Int J Nanomedicine 2017; 12:6735-6746. [PMID: 28932117 PMCID: PMC5600269 DOI: 10.2147/ijn.s140992] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Rheumatoid arthritis (RA) is an autoimmune disease characterized by progressive cartilage and bone destruction. Activated macrophages that overexpress folic acid (FA) receptors play an important role in RA, due to their abundance in inflamed synovial membrane and joints. In an effort to deliver drugs to the inflamed tissues, multifunctional FA receptor-targeting and pH-responsive nanocarriers were developed. They were composed of lipids, polyethylene glycol (PEG)-poly(lactic-co-glycolic acid) (PLGA) forming a hydrophilic shell, FA around the hydrophilic shell as a targeting ligand, and poly(cyclohexane-1,4-diylacetone dimethylene ketal) (PCADK) and PLGA as a hydrophobic core. PCADK also acts as a pH-responsive material. Methotrexate (Mtx) was encapsulated in the nanoparticles, which exhibited pH-responsive release in vitro. Cellular uptake and cytotoxicity experiments revealed that FA-PEG-PLGA/PCADK-lipid nanoparticles loaded with Mtx (FA-PPLNPs) exhibited superior cellular uptake and higher cytotoxicity to activated macrophages than PPLNPs/Mtx. The therapeutic effect of FA-PPLNPs/Mtx in RA was confirmed in an adjuvant-induced arthritis rat model. These results suggest that the multifunctional folate receptor-targeting and pH-responsive nanocarriers are promising for the treatment of RA.
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Affiliation(s)
- Jinlong Zhao
- School of Life Sciences, Jilin University, Changchun, China
| | - Menghui Zhao
- School of Life Sciences, Jilin University, Changchun, China
| | - Changhui Yu
- School of Life Sciences, Jilin University, Changchun, China
| | - Xueyan Zhang
- School of Life Sciences, Jilin University, Changchun, China
| | - Jiaxin Liu
- School of Life Sciences, Jilin University, Changchun, China
| | - Xinwei Cheng
- College of Pharmacy, Ohio State University, Columbus, OH, USA
| | - Robert J Lee
- School of Life Sciences, Jilin University, Changchun, China
- College of Pharmacy, Ohio State University, Columbus, OH, USA
| | - Fengying Sun
- School of Life Sciences, Jilin University, Changchun, China
| | - Lesheng Teng
- School of Life Sciences, Jilin University, Changchun, China
| | - Youxin Li
- School of Life Sciences, Jilin University, Changchun, China
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Correa MA, Canhamero T, Borrego A, Katz ISS, Jensen JR, Guerra JL, Cabrera WHK, Starobinas N, Fernandes JG, Ribeiro OG, Ibañez OM, De Franco M. Slc11a1 (Nramp-1) gene modulates immune-inflammation genes in macrophages during pristane-induced arthritis in mice. Inflamm Res 2017; 66:969-980. [PMID: 28669029 DOI: 10.1007/s00011-017-1077-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Revised: 04/06/2017] [Accepted: 06/26/2017] [Indexed: 12/29/2022] Open
Abstract
OBJECTIVE AND DESIGN Pristane-induced arthritis (PIA) in AIRmax mice homozygous for Slc11a1 R and S alleles was used to characterize the influence of Slc11a1 gene polymorphism on immune responses during disease manifestation. Previous reports demonstrated that the presence of the Slc11a1 S allele increased the incidence and severity of PIA in AIRmax SS , suggesting that this gene could interact with inflammatory loci to modulate PIA. We investigated the effects of Slc11a1 alleles on the activation of phagocytes during PIA. TREATMENT Mice were injected intraperitoneally with two doses of 0.5 mL of mineral oil pristane at 60-day intervals. Arthritis development was accompanied for 180 days. RESULTS AIRmax SS mice showed differential peritoneal macrophage gene expression profiles during PIA, with higher expression and production of H2O2, NO, IL-1β, IL-6, TNF-α, and several chemokines. The presence of the Slc11a1 R allele, on the other hand, diminished the intensity of macrophage activation, restricting arthritis development. CONCLUSION Our data demonstrated the fine-tuning roles of Slc11a1 alleles modulating macrophage activation, and consequent PIA susceptibility, in those mouse lines.
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Affiliation(s)
- Mara A Correa
- Laboratório de Imunogenética, Instituto Butantan, Avenida Vital Brasil 1500, São Paulo, SP, 05503000, Brazil
| | - Tatiane Canhamero
- Laboratório de Imunogenética, Instituto Butantan, Avenida Vital Brasil 1500, São Paulo, SP, 05503000, Brazil
| | - Andrea Borrego
- Laboratório de Imunogenética, Instituto Butantan, Avenida Vital Brasil 1500, São Paulo, SP, 05503000, Brazil
| | | | - José R Jensen
- Laboratório de Imunogenética, Instituto Butantan, Avenida Vital Brasil 1500, São Paulo, SP, 05503000, Brazil
| | | | - Wafa H K Cabrera
- Laboratório de Imunogenética, Instituto Butantan, Avenida Vital Brasil 1500, São Paulo, SP, 05503000, Brazil
| | - Nancy Starobinas
- Laboratório de Imunogenética, Instituto Butantan, Avenida Vital Brasil 1500, São Paulo, SP, 05503000, Brazil
| | - Jussara G Fernandes
- Laboratório de Imunogenética, Instituto Butantan, Avenida Vital Brasil 1500, São Paulo, SP, 05503000, Brazil
| | - Orlando G Ribeiro
- Laboratório de Imunogenética, Instituto Butantan, Avenida Vital Brasil 1500, São Paulo, SP, 05503000, Brazil
| | - Olga M Ibañez
- Laboratório de Imunogenética, Instituto Butantan, Avenida Vital Brasil 1500, São Paulo, SP, 05503000, Brazil
| | - Marcelo De Franco
- Laboratório de Imunogenética, Instituto Butantan, Avenida Vital Brasil 1500, São Paulo, SP, 05503000, Brazil. .,Instituto Pasteur, São Paulo, Brazil.
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Comparative in silico analyses of Cannabis sativa , Prunella vulgaris and Withania somnifera compounds elucidating the medicinal properties against rheumatoid arthritis. J Mol Graph Model 2017; 74:296-304. [DOI: 10.1016/j.jmgm.2017.04.013] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Revised: 03/14/2017] [Accepted: 04/12/2017] [Indexed: 12/15/2022]
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22
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Cellular and molecular perspectives in rheumatoid arthritis. Semin Immunopathol 2017; 39:343-354. [PMID: 28508153 DOI: 10.1007/s00281-017-0633-1] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2017] [Accepted: 04/17/2017] [Indexed: 12/13/2022]
Abstract
Synovial immunopathology in rheumatoid arthritis is complex involving both resident and infiltrating cells. The synovial tissue undergoes significant neovascularization, facilitating an influx of lymphocytes and monocytes that transform a typically acellular loose areolar membrane into an invasive tumour-like pannus. The microvasculature proliferates to form straight regularly-branching vessels; however, they are highly dysfunctional resulting in reduced oxygen supply and a hypoxic microenvironment. Autoantibodies such as rheumatoid factor and anti-citrullinated protein antibodies are found at an early stage, often before arthritis has developed, and they have been implicated in the pathogenesis of RA. Abnormal cellular metabolism and mitochondrial dysfunction thus ensue and, in turn, through the increased production of reactive oxygen species actively induce inflammation. Key pro-inflammatory cytokines, chemokines and growth factors and their signalling pathways, including nuclear factor κB, Janus kinase-signal transducer, are highly activated when immune cells are exposed to hypoxia in the inflamed rheumatoid joint show adaptive survival reactions by activating. This review attempts to highlight those aberrations in the innate and adaptive immune systems including the role of genetic and environmental factors, autoantibodies, cellular alterations, signalling pathways and metabolism that are implicated in the pathogenesis of RA and may therefore provide an opportunity for therapeutic intervention.
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Sultana F, Neog MK, Rasool M. Withaferin-A, a steroidal lactone encapsulated mannose decorated liposomes ameliorates rheumatoid arthritis by intriguing the macrophage repolarization in adjuvant-induced arthritic rats. Colloids Surf B Biointerfaces 2017; 155:349-365. [PMID: 28454064 DOI: 10.1016/j.colsurfb.2017.04.046] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2016] [Revised: 03/31/2017] [Accepted: 04/19/2017] [Indexed: 02/07/2023]
Abstract
In order to develop a better therapeutic approach for the treatment of rheumatoid arthritis (RA), withaferin-A; a steroidal lactone incorporated with mannosylated liposomes (ML-WA) was administered to adjuvant induced arthritic rats in intent to target the synovial macrophages. The confocal microscopy studies showed a successful internalization of ML-WA in the primarily isolated synovial macrophages. Consequently, targeting synovial macrophages via ML-WA reduced the oxidative stress (ROS and NO), and paw edema, however, a progressive gain in the body weight was observed in AIA rats. ML-WA treatment upregulated the production of osteoprotegerin (OPG) and downregulated the release of receptor activator of nuclear factor-κB ligand (RANKL), favoring osteoclastogenesis negatively. Correspondingly, the ankle joints were found intact with no bone erosion and cartilage degradation in ML-WA treated AIA rats as evidenced by histopathological analysis. Also, synovial macrophage assessment showed that the concentration and the gene amplification of M1 macrophage mediated pro-inflammatory mediators (TNF-α, IL-1β, IL-6, MCP-1 and VEGF) were curtailed in ML-WA treated AIA rats. In contrast, anti-inflammatory cytokine (IL-10) was found abundantly released. Furthermore, the mRNA expression of the M1 surface marker (CD86) was found down regulated, whereas, M2 marker (CD163) was highly amplified in ML-WA treated synovial macrophages of arthritic rats. Cumulatively, our result signified that targeted delivery of ML-WA ameliorated the severity of inflammation and bone resorption in AIA rats via M1 to M2 macrophage repolarization.
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Affiliation(s)
- Farhath Sultana
- Immunopathology Lab, School of Bio Sciences and Technology, VIT University, Vellore, 632 014, Tamil Nadu, India
| | - Manoj Kumar Neog
- Immunopathology Lab, School of Bio Sciences and Technology, VIT University, Vellore, 632 014, Tamil Nadu, India
| | - MahaboobKhan Rasool
- Immunopathology Lab, School of Bio Sciences and Technology, VIT University, Vellore, 632 014, Tamil Nadu, India.
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Sultana F, Neog MK, Rasool M. Targeted delivery of morin, a dietary bioflavanol encapsulated mannosylated liposomes to the macrophages of adjuvant-induced arthritis rats inhibits inflammatory immune response and osteoclastogenesis. Eur J Pharm Biopharm 2017; 115:229-242. [PMID: 28315446 DOI: 10.1016/j.ejpb.2017.03.009] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Revised: 03/08/2017] [Accepted: 03/12/2017] [Indexed: 01/02/2023]
Abstract
The purpose of the study was to develop a liposomal drug delivery system for morin, a dietary polyphenol, in order to target the synovial macrophages and investigate the remission of disease severity in the adjuvant-induced arthritic (AIA) rats. To do so, mannose decorated liposomal morin (ML-Morin) was prepared using the thin film hydration method and the physicochemical properties were characterized. The particle size and zeta potential of liposomal morin (L-Morin) was found to be 127.9nm±2.6 and -24.5mV±0.76, whereas ML-Morin showed an increased value of 132.5nm±5.2 and -54.8mV±0.67 respectively. Further, the drug entrapment efficiency (% EE) of ML-Morin was found 86.7±3.8%. To understand the efficacy of L-Morin, ML-Morin over free-Morin; cellular uptake, production and expression of pro-inflammatory mediators, osteoclastogenic factors, and transcription factors were evaluated in primarily isolated synovial and spleen macrophages. Interestingly, confocal microscopic images showed an increased uptake of ML-Morin in the synovial and spleen macrophages than L-morin. In addition, ML-Morin significantly suppressed the production and mRNA expression of pro-inflammatory cytokines (TNF-α, IL-1β, IL-6, and IL-17), angiogenic factors (VEGF), an inflammatory enzyme (iNOS), and transcription factor (NF-κB-p65). Furthermore, the protein expression of TNF-α, IL-1β, IL-6, IL-17, RANKL, STAT-3, and p-STAT-3 was found to decrease with increased osteoprotegerin (OPG) expression in the ML-Morin targeted macrophages. Thus, our findings endorsed that, ML-Morin preferential internalization into the macrophages of arthritic rats effectively inhibited the inflammatory immune response and osteoclastogenesis better than the dexamethasone palmitate encapsulated mannosylated liposomes (ML-DP), a reference drug as evidenced by clinical and histological analysis.
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Affiliation(s)
- Farhath Sultana
- Immunopathology Lab, School of Bio Sciences and Technology, VIT University, Vellore 632 014, Tamil Nadu, India
| | - Manoj Kumar Neog
- Immunopathology Lab, School of Bio Sciences and Technology, VIT University, Vellore 632 014, Tamil Nadu, India
| | - MahaboobKhan Rasool
- Immunopathology Lab, School of Bio Sciences and Technology, VIT University, Vellore 632 014, Tamil Nadu, India.
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Immune modulation of some autoimmune diseases: the critical role of macrophages and neutrophils in the innate and adaptive immunity. J Transl Med 2017; 15:36. [PMID: 28202039 PMCID: PMC5312441 DOI: 10.1186/s12967-017-1141-8] [Citation(s) in RCA: 209] [Impact Index Per Article: 29.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Accepted: 02/03/2017] [Indexed: 12/16/2022] Open
Abstract
Macrophages and neutrophils are key components involved in the regulation of numerous chronic inflammatory diseases, infectious disorders, and especially certain autoimmune disease. However, little is known regarding the contribution of these cells to the pathogenesis of autoimmune disorders. Recent studies have aimed to clarify certain important factors affecting the immunogenicity of these cells, including the type and dose of antigen, the microenvironment of the cell-antigen encounter, and the number, subset, and phenotype of these cells, which can prevent or induce autoimmune responses. This review highlights the role of macrophage subsets and neutrophils in injured tissues, supporting their cooperation during the pathogenesis of certain autoimmune diseases.
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Choi S, You S, Kim D, Choi SY, Kwon HM, Kim HS, Hwang D, Park YJ, Cho CS, Kim WU. Transcription factor NFAT5 promotes macrophage survival in rheumatoid arthritis. J Clin Invest 2017; 127:954-969. [PMID: 28192374 DOI: 10.1172/jci87880] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2016] [Accepted: 12/15/2016] [Indexed: 01/09/2023] Open
Abstract
Defective apoptotic death of activated macrophages has been implicated in the pathogenesis of rheumatoid arthritis (RA). However, the molecular signatures defining apoptotic resistance of RA macrophages are not fully understood. Here, global transcriptome profiling of RA macrophages revealed that the osmoprotective transcription factor nuclear factor of activated T cells 5 (NFAT5) critically regulates diverse pathologic processes in synovial macrophages including the cell cycle, apoptosis, and proliferation. Transcriptomic analysis of NFAT5-deficient macrophages revealed the molecular networks defining cell survival and proliferation. Proinflammatory M1-polarizing stimuli and hypoxic conditions were responsible for enhanced NFAT5 expression in RA macrophages. An in vitro functional study demonstrated that NFAT5-deficient macrophages were more susceptible to apoptotic death. Specifically, CCL2 secretion in an NFAT5-dependent fashion bestowed apoptotic resistance to RA macrophages in vitro. Injection of recombinant CCL2 into one of the affected joints of Nfat5+/- mice increased joint destruction and macrophage infiltration, demonstrating the essential role of the NFAT5/CCL2 axis in arthritis progression in vivo. Moreover, after intra-articular injection, NFAT5-deficient macrophages were more susceptible to apoptosis and less efficient at promoting joint destruction than were NFAT5-sufficient macrophages. Thus, NFAT5 regulates macrophage survival by inducing CCL2 secretion. Our results provide evidence that NFAT5 expression in macrophages enhances chronic arthritis by conferring apoptotic resistance to activated macrophages.
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Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease that primarily affects the joints. Self-reactive B and T lymphocytes cooperate to promote antibody responses against self proteins and are major drivers of disease. T lymphocytes also promote RA independently of B lymphocytes mainly through the production of key inflammatory cytokines, such as IL-17, that promote pathology. While the innate signals that initiate self-reactive adaptive immune responses are poorly understood, the disease is predominantly caused by inflammatory cellular infiltration and accumulation in articular tissues, and by bone erosions driven by bone-resorbing osteoclasts. Osteoclasts are giant multinucleated cells formed by the fusion of multiple myeloid cells that require short-range signals, such as the cytokines MCSF and RANKL, for undergoing differentiation. The recruitment and positioning of osteoclast precursors to sites of osteoclast differentiation by chemoattractants is an important point of control for osteoclastogenesis and bone resorption. Recently, the GPCR EBI2 and its oxysterol ligand 7a, 25 dihydroxycholesterol, were identified as important regulators of osteoclast precursor positioning in proximity to bone surfaces and of osteoclast differentiation under homeostasis. In chronic inflammatory diseases like RA, osteoclast differentiation is also driven by inflammatory cytokines such as TNFa and IL-1, and can occur independently of RANKL. Finally, there is growing evidence that the chemotactic signals guiding osteoclast precursors to inflamed articular sites contribute to disease and are of great interest. Furthering our understanding of the complex osteoimmune cell interactions should provide new avenues of therapeutic intervention for RA.
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Yang WS, Nam GS, Kim MY, Cho JY. Syk-Mediated Suppression of Inflammatory Responses by Cordyceps bassiana. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2017; 45:1217-1232. [DOI: 10.1142/s0192415x17500677] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
Abstract
The fruit body of artificially cultivated Cordyceps bassiana has been reported to exhibit anti-inflammatory and anticancer activities. Although it has been suggested that the fruit body has neutraceutic and pharmaceutic biomaterial potential, the exact anti-inflammatory molecular mechanism has not been fully elucidated. In this study, we demonstrated the immunopharmacologic activity of Cordyceps bassiana under in vitro conditions and investigated its anti-inflammatory mechanism. Water extract (Cm-WE) of the fruit body of artificially cultivated Cordyceps bassiana without polysaccharide fractions reduced the expression of the proinflammatory genes cyclooxygenase (COX)-2, interleukin (IL)-12, and inducible nitric oxide synthase (iNOS) and promoted the expression of the anti-inflammatory gene IL-10 in lipopolysaccharide (LPS)-treated RAW264.7 cells. In addition, this fraction suppressed proliferation and interferon (IFN)-[Formula: see text] production in splenic T lymphocytes. Cm-WE blocked the activation of nuclear factor (NF)-[Formula: see text]B and activator protein (AP)-1 and their upstream inflammatory signaling cascades, including Syk, MEK, and JNK. Using kinase assays, Syk was identified as the target enzyme most strongly inhibited by Cm-WE. These results strongly suggest that Cm-WE suppresses inflammatory responses by inhibiting Syk kinase activity, with potential implications for novel neutraceutic and pharmaceutic biomaterials.
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Affiliation(s)
- Woo Seok Yang
- Department of Genetic Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Gyeong Sug Nam
- Department of Genetic Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Mi-Yeon Kim
- School of Systems Biomedical Science, Soongsil University, Seoul 06978, Republic of Korea
| | - Jae Youl Cho
- Department of Genetic Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
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Chimenti MS, Conigliaro P, Triggianese P, Baffari E, Squillaci E, Bolacchi F, Perricone R, Bergamini A. Synovial fluid from patients with rheumatoid arthritis modulates monocyte cell-surface phenotype. J Int Med Res 2016; 44:15-21. [PMID: 27683133 PMCID: PMC5536540 DOI: 10.1177/0300060515593231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Objectives To investigate the ability of synovial fluid from patients with rheumatoid arthritis (RA) or osteoarthritis (OA) to modulate cell-surface phenotype, function and viability of monocytes. Methods Monocytes from healthy donors were incubated with synovial fluid from patients with RA or OA. These were then cultured with autologous healthy CD4+ T-cells. Immunoglobulin-like transcript 4 (ILT4) and CD86 were evaluated on stimulated monocytes and CD4+ T-cells via fluorescence activated cell sorting. Results Monocytes incubated with synovial fluid from patients with RA (SF-RA; n = 12) had significantly lower ILT4 and higher CD86 levels than those incubated with synovial fluid from patients with OA (SF-OA; n = 12) or medium alone. In patients with RA, there was a significant negative correlation between ILT4 and disease activity score (DAS; r = −0.699), and a positive correlation between CD86 and DAS (r = 0.626). T-cells costimulated with monocytes cultured with SF-RA produced significantly more interferon-γ and tumour necrosis factor-α than those costimulated with monocytes cultured with SF-OA or controls. Conclusions Soluble mediators in SF-RA could contribute to modulating inflammation and local effectiveness of the immune response.
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Affiliation(s)
- Maria Sole Chimenti
- Rheumatology, Allergology and Clinical Immunology, Department of Systemic Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Paola Conigliaro
- Rheumatology, Allergology and Clinical Immunology, Department of Systemic Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Paola Triggianese
- Rheumatology, Allergology and Clinical Immunology, Department of Systemic Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Eleonora Baffari
- Rheumatology, Allergology and Clinical Immunology, Department of Systemic Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Ettore Squillaci
- Department of Diagnostic Imaging, Molecular Imaging, Interventional Radiology and Radiation Therapy, University of Rome "Tor Vergata", Rome, Italy
| | - Francesca Bolacchi
- Department of Diagnostic Imaging, Molecular Imaging, Interventional Radiology and Radiation Therapy, University of Rome "Tor Vergata", Rome, Italy
| | - Roberto Perricone
- Rheumatology, Allergology and Clinical Immunology, Department of Systemic Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Alberto Bergamini
- Rheumatology, Allergology and Clinical Immunology, Department of Systemic Medicine, University of Rome "Tor Vergata", Rome, Italy
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Radwan WM, Khalifa KA, Esaily HA, Lashin NA. CD14++CD16+ monocyte subset expansion in rheumatoid arthritis patients: Relation to disease activity and interleukin-17. THE EGYPTIAN RHEUMATOLOGIST 2016. [DOI: 10.1016/j.ejr.2015.12.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Krüppel-Like Factor 4 Is a Regulator of Proinflammatory Signaling in Fibroblast-Like Synoviocytes through Increased IL-6 Expression. Mediators Inflamm 2016; 2016:1062586. [PMID: 27413250 PMCID: PMC4928008 DOI: 10.1155/2016/1062586] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Revised: 05/09/2016] [Accepted: 05/23/2016] [Indexed: 11/25/2022] Open
Abstract
Human fibroblast-like synoviocytes play a vital role in joint synovial inflammation in rheumatoid arthritis (RA). Proinflammatory cytokines induce fibroblast-like synoviocyte activation and dysfunction. The inflammatory mediator Krüppel-like factor 4 is upregulated during inflammation and plays an important role in endothelial and macrophage activation during inflammation. However, the role of Krüppel-like factor 4 in fibroblast-like synoviocyte activation and RA inflammation remains to be defined. In this study, we identify the notion that Krüppel-like factor 4 is higher expressed in synovial tissues and fibroblast-like synoviocytes from RA patients than those from osteoarthritis patients. In vitro, the expression of Krüppel-like factor 4 in RA fibroblast-like synoviocytes is induced by proinflammatory cytokine tumor necrosis factor-α. Overexpression of Krüppel-like factor 4 in RA fibroblast-like synoviocytes robustly induced interleukin-6 production in the presence or absence of tumor necrosis factor-α. Conversely, knockdown of Krüppel-like factor 4 markedly attenuated interleukin-6 production in the presence or absence of tumor necrosis factor-α. Krüppel-like factor 4 not only can bind to and activate the interleukin-6 promoter, but also may interact directly with nuclear factor-kappa B. These results suggest that Krüppel-like factor 4 may act as a transcription factor mediating the activation of fibroblast-like synoviocytes in RA by inducing interleukin-6 expression in response to tumor necrosis factor-α.
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Cho H, Bhatti FUR, Yoon TW, Hasty KA, Stuart JM, Yi AK. Non-invasive dual fluorescence in vivo imaging for detection of macrophage infiltration and matrix metalloproteinase (MMP) activity in inflammatory arthritic joints. BIOMEDICAL OPTICS EXPRESS 2016; 7:1842-1852. [PMID: 27231625 PMCID: PMC4871085 DOI: 10.1364/boe.7.001842] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Revised: 03/29/2016] [Accepted: 03/31/2016] [Indexed: 06/05/2023]
Abstract
Detection and intervention at an early stage is a critical factor to impede arthritis progress. Here we present a non-invasive method to detect inflammatory changes in joints of arthritic mice. Inflammation was monitored by dual fluorescence optical imaging for near-infrared fluorescent (750F) matrix-metalloproteinase activatable agent and allophycocyanin-conjugated anti-mouse CD11b. Increased intensity of allophycocyanin (indication of macrophage accumulation) and 750F (indication of matrix-metalloproteinase activity) showed a biological relationship with the arthritis severity score and the histopathology score of arthritic joints. Our results demonstrate that this method can be used to detect early stages of arthritis with minimum intervention in small animal models.
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Affiliation(s)
- Hongsik Cho
- Departments of Orthopedics and Biomedical Engineering, University of Tennessee Health Science Center-Campbell Clinic, Memphis, 38104, USA
- Veterans Affairs Medical Center-Memphis, TN, 38104, USA
| | - Fazal-Ur-Rehman Bhatti
- Departments of Orthopedics and Biomedical Engineering, University of Tennessee Health Science Center-Campbell Clinic, Memphis, 38104, USA
| | - Tae Won Yoon
- Departments of Microbiology, Immunology and Biochemistry, University of Tennessee Health Science Center, Memphis, 38104, USA
| | - Karen A. Hasty
- Departments of Orthopedics and Biomedical Engineering, University of Tennessee Health Science Center-Campbell Clinic, Memphis, 38104, USA
- Veterans Affairs Medical Center-Memphis, TN, 38104, USA
| | - John M. Stuart
- Veterans Affairs Medical Center-Memphis, TN, 38104, USA
- Department of Medicine, University of Tennessee Health Science Center, Memphis, USA
| | - Ae-Kyung Yi
- Department of Medicine, University of Tennessee Health Science Center, Memphis, USA
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Kim WK, Chung HJ, Pyee Y, Choi TJ, Park HJ, Hong JY, Shin JS, Lee JH, Ha IH, Lee SK. Effects of intra-articular SHINBARO treatment on monosodium iodoacetate-induced osteoarthritis in rats. Chin Med 2016; 11:17. [PMID: 27069504 PMCID: PMC4827221 DOI: 10.1186/s13020-016-0089-6] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Accepted: 04/01/2016] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND SHINBARO is a refined herbal formulation used to treat inflamed lesions and bone diseases. This study aimed to investigate the anti-osteoarthritic activities of intra-articular administration of SHINBARO and determine its underlying molecular mechanism in a monosodium iodoacetate (MIA)-induced osteoarthritis rat model. METHODS Male Sprague-Dawley rats received a single intra-articular injection of MIA into the infrapatellar ligament of the right knee. Subsequently, the rats were treated with normal saline, SHINBARO, and diclofenac once daily for 21 days. Rats treated with normal saline, but not MIA, comprised the control group. Histological changes in the femur of the MIA-induced osteoarthritis rat model were observed by micro-computed tomography scanning and staining with hematoxylin and eosin, and safranin-O fast green. Serum levels of PGE2 and anti-type II collagen antibodies in the MIA-induced osteoarthritis rat model were measured using commercial kits. Protein levels of inflammatory enzymes (iNOS, COX-2), pro-inflammatory cytokines (TNF-α, IL-1β), and inflammatory mediators (NF-κB, IκB) in cartilaginous tissues were determined by western blot analysis. RESULTS Intra-articular administration of SHINBARO (IAS) at 20 mg/kg remarkably restrained the decrease in bone volume/total volume, being 28 % (P = 0.0001) higher than that in the vehicle-treated MIA group. IAS (2, 10, and 20 mg/kg) treatment significantly recovered the mean number of objects values with increased percentage changes of 13.5 % (P = 0.147), 27.5 % (P = 0.028), and 44.5 % (P = 0.031), respectively, compared with the vehicle-treated MIA group. The serum level of PGE2 in the IAS group at 20 mg/kg was markedly inhibited by 60.6 % (P = 0.0007) compared with the vehicle-treated MIA group, and the anti-collagen type II antibody level in the IAS group was reduced in a dose-dependent manner. IAS (20 mg/kg) effectively suppressed the induction of inflammation-mediated enzymes (iNOS and COX-2) and pro-inflammatory cytokines (TNF-α and IL-1β). IAS treatment also downregulated the NF-κB level and increased the IκB-α level in the MIA- induced osteoarthritis rat model. CONCLUSION SHINBARO inhibited PGE2 and anti-type II collagen antibody production and modulated the balance of inflammatory enzymes, mediators, and cytokines in the MIA-induced osteoarthritis rat model.
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Affiliation(s)
- Won Kyung Kim
- />College of Pharmacy, Seoul National University, Seoul, 151-742 Republic of Korea
| | - Hwa-Jin Chung
- />College of Pharmacy, Seoul National University, Seoul, 151-742 Republic of Korea
- />Jaseng Spine and Joint Research Institute, Jaseng Medical Foundation, Seoul, 135-896 Republic of Korea
| | - Yuna Pyee
- />College of Pharmacy, Seoul National University, Seoul, 151-742 Republic of Korea
| | - Tae Jun Choi
- />College of Pharmacy, Seoul National University, Seoul, 151-742 Republic of Korea
| | - Hyen Joo Park
- />College of Pharmacy, Seoul National University, Seoul, 151-742 Republic of Korea
| | - Ji-Young Hong
- />College of Pharmacy, Seoul National University, Seoul, 151-742 Republic of Korea
| | - Joon-Shik Shin
- />Jaseng Spine and Joint Research Institute, Jaseng Medical Foundation, Seoul, 135-896 Republic of Korea
| | - Jin Ho Lee
- />Jaseng Spine and Joint Research Institute, Jaseng Medical Foundation, Seoul, 135-896 Republic of Korea
| | - In-Hyuk Ha
- />Jaseng Spine and Joint Research Institute, Jaseng Medical Foundation, Seoul, 135-896 Republic of Korea
| | - Sang Kook Lee
- />College of Pharmacy, Seoul National University, Seoul, 151-742 Republic of Korea
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Triptolide Modulates TREM-1 Signal Pathway to Inhibit the Inflammatory Response in Rheumatoid Arthritis. Int J Mol Sci 2016; 17:498. [PMID: 27049384 PMCID: PMC4848954 DOI: 10.3390/ijms17040498] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2015] [Revised: 03/03/2016] [Accepted: 03/28/2016] [Indexed: 11/17/2022] Open
Abstract
Triptolide (TP), an active component isolated from Tripterygiumwilfordii Hook F, has therapeutic potential against rheumatoid arthritis (RA). However, the underlying molecular mechanism has not been fully elucidated. The aim of this study is to investigate the mechanisms of TP acting on RA by combining bioinformatics analysis with experiment validation. The human protein targets of TP and the human genes of RA were found in the PubChem database and NCBI, respectively. These two dataset were then imported into Ingenuity Pathway Analysis (IPA) software online, and then the molecular network of TP on RA could be set up and analyzed. After that, both in vitro and in vivo experiments were done to further verify the prediction. The results indicated that the main canonical signal pathways of TP protein targets networks were mainly centered on cytokine and cellular immune signaling, and triggering receptors expressed on myeloid cells (TREM)-1 signaling was searched to be the top one shared signaling pathway and involved in the cytokine and cellular immune signaling. Further in vitro experiments indicated that TP not only remarkably lowered the levels of TREM-1 and DNAX-associated protein (DAP)12, but also significantly suppressed the activation of janus activating kinase (JAK)2 and signal transducers and activators of transcription (STAT)3. The expression of tumor necrosis factor (TNF)-α, interleukin (IL)-1β and IL-6 in lipopolysaccharides (LPS)-stimulated U937 cells also decreased after treatment with TP. Furthermore, TREM-1 knockdown was able to interfere with the inhibition effects of TP on these cytokines production. In vivo experiments showed that TP not only significantly inhibited the TREM-1 mRNA and DAP12 mRNA expression, and activation of JAK2 and STAT3 in ankle of rats with collagen-induced arthritis (CIA), but also remarkably decreased production of TNF-α, IL-1β and IL-6 in serum and joint. These findings demonstrated that TP could modulate the TREM1 signal pathway to inhibit the inflammatory response in RA.
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Papaneophytou C, Kontopidis G. A comparison of statistical approaches used for the optimization of soluble protein expression in Escherichia coli. Protein Expr Purif 2015; 120:126-37. [PMID: 26721705 DOI: 10.1016/j.pep.2015.12.014] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2015] [Revised: 11/16/2015] [Accepted: 12/18/2015] [Indexed: 01/30/2023]
Abstract
During a discovery project of potential inhibitors for three proteins, TNF-α, RANKL and HO-1, implicated in the pathogenesis of rheumatoid arthritis, significant amounts of purified proteins were required. The application of statistically designed experiments for screening and optimization of induction conditions allows rapid identification of the important factors and interactions between them. We have previously used response surface methodology (RSM) for the optimization of soluble expression of TNF-α and RANKL. In this work, we initially applied RSM for the optimization of recombinant HO-1 and a 91% increase of protein production was achieved. Subsequently, we slightly modified a published incomplete factorial approach (called IF1) in order to evaluate the effect of three expression variables (bacterial strains, induction temperatures and culture media) on soluble expression levels of the three tested proteins. However, soluble expression yields of TNF-α and RANKL obtained by the IF1 method were significantly lower (<50%) than those obtained by RSM. We further modified the IF1 approach by replacing the culture media with induction times and the resulted method called IF-STT (Incomplete Factorial-Stain/Temperature/Time) was validated using the three proteins. Interestingly, soluble expression levels of the three proteins obtained by IF-STT were only 1.2-fold lower than those obtained by RSM. Although RSM is probably the best approach for optimization of biological processes, the IF-STT is faster, it examines the most important factors (bacterial strain, temperature and time) influencing protein soluble expression in a single experiment, and can be used in any recombinant protein expression project as a starting point.
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Affiliation(s)
- Christos Papaneophytou
- Veterinary School, University of Thessaly, Trikalon 224, Karditsa 43100, Greece; Institute for Research and Technology of Thessaly (I.RE.TE.TH.), The Centre for Research & Technology Hellas (CE.R.TH.), Dimitriados 95 & Paulou Mela, Volos 383 33, Greece
| | - George Kontopidis
- Veterinary School, University of Thessaly, Trikalon 224, Karditsa 43100, Greece; Institute for Research and Technology of Thessaly (I.RE.TE.TH.), The Centre for Research & Technology Hellas (CE.R.TH.), Dimitriados 95 & Paulou Mela, Volos 383 33, Greece.
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Hopper N, Henson F, Brooks R, Ali E, Rushton N, Wardale J. Peripheral blood derived mononuclear cells enhance osteoarthritic human chondrocyte migration. Arthritis Res Ther 2015; 17:199. [PMID: 26249339 PMCID: PMC4528856 DOI: 10.1186/s13075-015-0709-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2015] [Accepted: 07/07/2015] [Indexed: 12/18/2022] Open
Abstract
Introduction A major problem in cartilage repair is the lack of chondrogenic cells migrating from healthy tissue into defects. Cartilage is essentially avascular and therefore its healing is not considered to involve mononuclear cells. Peripheral blood derived mononuclear cells (PBMC) offer a readily available autologous cell source for clinical use and therefore this study was designed to evaluate the effects of PBMCs on chondrocytes and cartilage. Methods Human primary chondrocytes and cartilage tissue explants were taken from patients undergoing total knee replacement (n = 17). Peripheral blood samples were obtained from healthy volunteers (n = 12) and mononuclear cells were isolated by density-gradient centrifugation. Cell migration and chemokinetic potential were measured using a scratch assay, xCELLigence and CyQuant assay. PCR array and quantitative PCR was used to evaluate mRNA expression of 87 cell motility and/or chondrogenic genes. Results The chondrocyte migration rate was 2.6 times higher at 3 hour time point (p < 0.0001) and total number of migrating chondrocytes was 9.7 times higher (p < 0.0001) after three day indirect PBMC stimulus and 8.2 times higher (p < 0.0001) after three day direct co-culture with PBMCs. A cartilage explant model confirmed that PBMCs also exert a chemokinetic role on ex vivo tissue. PBMC stimulation was found to significantly upregulate the mRNA levels of 2 chondrogenic genes; collagen type II (COL2A1 600–fold, p < 0.0001) and SRY box 9 (SOX9 30–fold, p < 0.0001) and the mRNA levels of 7 genes central in cell motility and migration were differentially regulated by 24h PBMC stimulation. Conclusion The results support the concept that PBMC treatment enhances chondrocyte migration without suppressing the chondrogenic phenotype possibly via mechanistic pathways involving MMP9 and IGF1. In the future, peripheral blood mononuclear cells could be used as an autologous point-ofcare treatment to attract native chondrocytes from the diseased tissue to aid in cartilage repair.
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Affiliation(s)
- Niina Hopper
- Division of Trauma and Orthopaedic Surgery, University of Cambridge, Addenbrooke's Hospital, Hills Road, BC2 0QQ, Cambridge, UK.
| | - Frances Henson
- Department of Veterinary Medicine, University of Cambridge, Madingley Road, CB3 0ES, Cambridge, UK.
| | - Roger Brooks
- Division of Trauma and Orthopaedic Surgery, University of Cambridge, Addenbrooke's Hospital, Hills Road, BC2 0QQ, Cambridge, UK.
| | - Erden Ali
- Division of Trauma and Orthopaedic Surgery, University of Cambridge, Addenbrooke's Hospital, Hills Road, BC2 0QQ, Cambridge, UK.
| | - Neil Rushton
- Division of Trauma and Orthopaedic Surgery, University of Cambridge, Addenbrooke's Hospital, Hills Road, BC2 0QQ, Cambridge, UK.
| | - John Wardale
- Division of Trauma and Orthopaedic Surgery, University of Cambridge, Addenbrooke's Hospital, Hills Road, BC2 0QQ, Cambridge, UK.
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Li BZ, Guo B, Zhang HY, Liu J, Tao SS, Pan HF, Ye DQ. Therapeutic potential of HO-1 in autoimmune diseases. Inflammation 2015; 37:1779-88. [PMID: 24818708 DOI: 10.1007/s10753-014-9908-z] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Heme oxygenase-1 (HO-1), the inducible isoform of heme oxygenase (HO), has raised a lot of concerns in recent years due to its multiple functions. HO-1 was found to be a pivotal cytoprotective, antioxidant, anti-apoptotic, immunosuppressive, as well as anti-inflammatory molecule. Recent studies have clarified its significant functions in many diseases with substantial findings. In autoimmune diseases, HO-1 may have promising therapeutic potential. Here, we briefly reviewed recent advances in this field, aiming at hopefully exploring the potential therapeutic roles of HO-1, and design HO-1-based strategies for the treatment of autoimmune diseases.
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Affiliation(s)
- Bao-Zhu Li
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China
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AP-1-Targeted Anti-Inflammatory Activities of the Nanostructured, Self-Assembling S5 Peptide. Mediators Inflamm 2015; 2015:451957. [PMID: 26074678 PMCID: PMC4446838 DOI: 10.1155/2015/451957] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2015] [Revised: 04/27/2015] [Accepted: 04/27/2015] [Indexed: 01/24/2023] Open
Abstract
Peptide-based therapeutics have received increasing attention in medical research. However, the local delivery of such therapeutics poses unique challenges. Self-assembling peptides that use decorated nanofibers are one approach by which these therapeutics may be delivered. We previously found that the self-assembling K5 peptide affects the anti-inflammatory response. The aim of the present study was to investigate another self-assembling peptide, S5. Unlike the K5 peptide which has a positive charge, the S5 peptide has a free hydroxyl (-OH) group. We first examined whether the S5 peptide regulates the inflammatory response in primary cells and found that the S5 peptide reduced the production of prostaglandin E2 (PGE2) and tumor necrosis factor (TNF)-α in lipopolysaccharide- (LPS-) treated bone marrow-derived macrophages. Moreover, the S5 peptide significantly downregulated cyclooxygenase- (COX-) 2, TNF-α, and interleukin- (IL-) 1β expression by blocking the nuclear translocation of c-Jun. Consistent with this finding, the S5 peptide diminished the activation of inflammatory signaling enzymes related to p38. The S5 peptide also inhibited the formation of the p38/c-Jun signaling complex in RAW264.7 cells. Similarly, p38 and MKK3/6 were inhibited by the S5 peptide in LPS-activated peritoneal macrophages. Taken together, these results strongly suggest that the S5 peptide could exert anti-inflammatory effects by inhibiting the c-Jun/p38 signaling pathway.
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Kalden J. Pathogene Zellen der rheumatischen Entzündung als Ziele moderner Therapien. Z Rheumatol 2015; 74:8-13. [DOI: 10.1007/s00393-014-1437-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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James LR, Xu ZQ, Sluyter R, Hawksworth EL, Kelso C, Lai B, Paterson DJ, de Jonge MD, Dixon NE, Beck JL, Ralph SF, Dillon CT. An investigation into the interactions of gold nanoparticles and anti-arthritic drugs with macrophages, and their reactivity towards thioredoxin reductase. J Inorg Biochem 2015; 142:28-38. [DOI: 10.1016/j.jinorgbio.2014.09.013] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2014] [Revised: 09/18/2014] [Accepted: 09/18/2014] [Indexed: 10/24/2022]
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Hirohata S, Yanagida T, Tomita T, Yoshikawa H. Enhanced expression of mRNA for FLT3 in bone marrow CD34+ cells in rheumatoid arthritis. Inflamm Regen 2015. [DOI: 10.2492/inflammregen.35.255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Affiliation(s)
- Shunsei Hirohata
- Department of Rheumatology and Infectious Diseases, Kitasato University School of Medicine, Sagamihara, Kanagawa, Japan
| | - Tamiko Yanagida
- Department of Internal Medicine, Teikyo University School of Medicine, Itabashi, Tokyo, Japan
| | - Tetsuya Tomita
- Department of Orthopedic Surgery, Osaka University Medical School, Suita, Osaka, Japan
| | - Hideki Yoshikawa
- Department of Orthopedic Surgery, Osaka University Medical School, Suita, Osaka, Japan
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Zhang F, Luo W, Li Y, Gao S, Lei G. Role of osteopontin in rheumatoid arthritis. Rheumatol Int 2014; 35:589-95. [PMID: 25163663 DOI: 10.1007/s00296-014-3122-z] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2014] [Accepted: 08/22/2014] [Indexed: 01/01/2023]
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory disease characterized by joint swelling, joint tenderness, and destruction of synovial joints, leading to severe disability and premature mortality. RA is a multifactorial disease with genetic, environmental, and stochastic components related to its susceptibility. It has been demonstrated that the expression of osteopontin (OPN) is upregulated in the RA patients. Numerous studies have indicated that the full-length OPN or even OPN fragments, such as thrombin-cleaved OPN and its receptors, play the key roles in RA pathogenesis. Therapeutic application of siRNA to target OPN or neutralizing antibodies related to OPN epitopes in RA animal models are in progress, and some results are encouraging. However, there is a long way to go along with the clinical trials. This review focuses on the recent development in research associated with the OPN role in the pathogenesis of RA and provides insights concerning the OPN targeting as therapeutic approaches for patients with RA.
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Affiliation(s)
- Fangjie Zhang
- Department of Orthopaedics, Xiangya Hospital, Central South University, No. 87 Xiangya Road, Changsha, 410008, Hunan, China
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Xiao W, Meng G, Zhao Y, Yuan H, Li T, Peng Y, Zhao Y, Luo M, Zhao W, Li Z, Zheng X. Human secreted stabilin-1-interacting chitinase-like protein aggravates the inflammation associated with rheumatoid arthritis and is a potential macrophage inflammatory regulator in rodents. Arthritis Rheumatol 2014; 66:1141-52. [PMID: 24470346 DOI: 10.1002/art.38356] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2013] [Accepted: 01/07/2014] [Indexed: 12/20/2022]
Abstract
OBJECTIVE To study the relationship between the human secreted protein stabilin-1-interacting chitinase-like protein (SI-CLP) and rheumatoid arthritis (RA). METHODS The expression of SI-CLP in peripheral blood mononuclear cells (PBMCs) and synovial fluid from patients with RA and the effects of cytokines on SI-CLP expression were examined by Western blotting. Fluorescence-activated cell sorting analysis was performed to investigate the binding between SI-CLP and cells. Bone marrow-derived macrophages were isolated from wild-type and SI-CLP(-/-) mice, and real-time quantitative polymerase chain reaction was performed to detect the levels of messenger RNA for cytokines or SI-CLP in SI-CLP- or cytokine-treated macrophages. Histologic studies were conducted to evaluate inflammation and the expression of interleukin-12 (IL-12), IL-13, and SI-CLP in lesions. Enzyme-linked immunosorbent assays were used to detect the cytokine levels in bone marrow-derived macrophages. Rats or mice with collagen-induced arthritis (CIA) and SI-CLP(-/-) mice were used to study the function of SI-CLP in RA. RESULTS SI-CLP expression was increased in PBMCs and detectable in synovial fluid from patients with RA. Administration of SI-CLP to rats with CIA aggravated arthritis-associated inflammation. SI-CLP was specifically attached to the surface protein of macrophages, which elevated the expression of IL-1β, IL-6, IL-12, and IL-13 in macrophages and mouse bone marrow-derived macrophages, up-regulating ERK phosphorylation. Moreover, SI-CLP was up-regulated by both IL-12 and IL-13 through JNK and JAK/STAT signaling, respectively. Knockout of SI-CLP resulted in a decrease in the expression of IL-1β, IL-6, IL-12, and IL-13 and lower susceptibility to CIA compared with wild-type mice. SI-CLP treatment also aggravated arthritis-related inflammation in wild-type and SI-CLP(-/-) mice. CONCLUSION SI-CLP functions as a regulator of the inflammatory response by macrophages. The decrease in inflammation-associated cytokine levels resulting from SI-CLP knockout may explain the lower susceptibility to CIA in SI-CLP(-/-) mice.
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Affiliation(s)
- Weichun Xiao
- State Key Lab of Protein and Plant Gene Research, School of Life Sciences, Peking University, Beijing, China
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IKK β -Targeted Anti-Inflammatory Activities of a Butanol Fraction of Artificially Cultivated Cordyceps pruinosa Fruit Bodies. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2014; 2014:562467. [PMID: 25132860 PMCID: PMC4123572 DOI: 10.1155/2014/562467] [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: 04/25/2014] [Accepted: 06/30/2014] [Indexed: 12/25/2022]
Abstract
The inhibitory activities of the Cordyceps pruinosa butanol fraction (Cp-BF) were investigated by determining inflammatory responses of lipopolysaccharide (LPS)-treated RAW264.7 macrophage cells and by evaluating HCl/ethanol (EtOH)-triggered gastric ulcers in mice. The molecular mechanisms of the inhibitory effects of Cp-BF were investigated by identifying target enzymes using biochemical and molecular biological approaches. Cp-BF strongly inhibited the production of NO and TNF-α, release of reactive oxygen species (ROS), phagocytic uptake of FITC-dextran, and mRNA expression levels of interleukin (IL)-6, inducible NO synthase (iNOS), and tumour necrosis factor-alpha (TNF)-α in activated RAW264.7 cells. Cp-BF also strongly downregulated the NF-κB pathway by suppressing IKKβ according to luciferase reporter assays and immunoblot analysis. Furthermore, Cp-BF blocked both increased levels of NF-κB-mediated luciferase activities and phosphorylation of p65/p50 observed by IKKβ overexpression. Finally, orally administered Cp-BF was found to attenuate gastric ulcer and block the phosphorylation of IκBα induced by HCl/EtOH. Therefore, these results suggest that the anti-inflammatory activity of Cp-BF may be mediated by suppression of IKKα and its downstream NF-κB activation. Since our group has established the mass cultivation conditions by developing culture conditions for Cordyceps pruinosa, the information presented in this study may be useful for developing new anti-inflammatory agents.
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Tono T, Aihara S, Hoshiyama T, Arinuma Y, Nagai T, Hirohata S. Effects of anti-IL-6 receptor antibody on human monocytes. Mod Rheumatol 2014; 25:79-84. [PMID: 24842475 DOI: 10.3109/14397595.2014.914016] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
OBJECTIVE To explore the effects of anti-IL-6 receptor antibody, tocilizumab on function of human monocytes. METHODS Monocytes from healthy donors were cultured in the presence of staphylococcal enterotoxin B (SEB) with pharmacologically attainable concentrations of tocilizumab or control IgG. The expression of IL-6 mRNA was determined using quantitative RT-PCR. The expression of CD80 and CD86 and the induction of apoptosis of monocytes were measured using flow cytometry. RESULTS Tocilizumab promoted apoptosis of SEB-stimulated monocytes. The induction of apoptosis of monocytes by tocilizumab were reversed by addition of IgG, but not IgG F(ab')₂ fragments. Tocilizumab significantly suppressed the expression of CD80, but not that of CD86, on SEB- stimulated monocytes. Finally, tocilizumab significantly suppressed the expression of mRNA for IL-6 of monocytes stimulated with SEB. CONCLUSIONS These results demonstrate that one of the mechanism of action of tocilizumab involves the induction of apoptosis of monocytes, which requires interaction with Fc receptor on monocytes. Moreover, the data also indicate that tocilizumab inhibit IL-6 production of monocytes at mRNA levels.
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Affiliation(s)
- Toshihiro Tono
- Department of Rheumatology and Infectious Diseases, Kitasato University School of Medicine , Kanagawa , Japan
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Pyee Y, Chung HJ, Choi TJ, Park HJ, Hong JY, Kim JS, Kang SS, Lee SK. Suppression of inflammatory responses by handelin, a guaianolide dimer from Chrysanthemum boreale, via downregulation of NF-κB signaling and pro-inflammatory cytokine production. JOURNAL OF NATURAL PRODUCTS 2014; 77:917-924. [PMID: 24689881 DOI: 10.1021/np4009877] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The anti-inflammatory activity of handelin (1), a guaianolide dimer from Chrysanthemum boreale flowers, was evaluated in vivo, and the effects on mediators nitric oxide (NO), prostaglandin E2 (PGE2), tumor necrosis factor-α (TNF-α), and interleukin-1β (IL-1β) and the nuclear factor-κB (NF-κB) and ERK/JNK signaling pathways were investigated in vitro. Compound 1 inhibited lipopolysaccharide (LPS)-induced production of NO and PGE2 in cultured mouse macrophage RAW 264.7 cells. The suppression of NO and PGE2 production by 1 was correlated with the downregulation of mRNA and protein expression of inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2). Compound 1 also suppressed the induction of pro-inflammatory cytokines TNF-α and IL-1β in LPS-stimulated RAW 264.7 cells. To further clarify the transcriptional regulatory pathway in the expression of iNOS and COX-2 by 1, the role of NF-κB was determined in RAW 264.7 cells. Compound 1 inhibits the binding activity of NF-κB into the nuclear proteins. The transcriptional activity of NF-κB stimulated with LPS was also suppressed by 1, which coincided with the inhibition of IκB degradation. Compound 1 also suppressed the activation of mitogen-activated protein kinases, including ERK and JNK signaling. In addition, the LPS-stimulated upregulation of miRNA-155 expression was suppressed by 1. The oral administration of 1 inhibited acute inflammation in carrageenan-induced paw and 12-O-tetradecanoylphorbol 13-acetate (TPA)-induced ear edema models. The serum level of IL-1β was also inhibited by 1 in a carrageenan-induced paw edema model. These findings suggest that the suppression of NF-κB activation and pro-inflammatory cytokine production may be a plausible mechanism of action for the anti-inflammatory activity of handelin.
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Affiliation(s)
- Yuna Pyee
- College of Pharmacy, Natural Products Research Institute, Seoul National University , Seoul 151-742, Korea
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Yang WS, Jeong D, Yi YS, Lee BH, Kim TW, Htwe KM, Kim YD, Yoon KD, Hong S, Lee WS, Cho JY. Myrsine seguinii ethanolic extract and its active component quercetin inhibit macrophage activation and peritonitis induced by LPS by targeting to Syk/Src/IRAK-1. JOURNAL OF ETHNOPHARMACOLOGY 2014; 151:1165-1174. [PMID: 24378351 DOI: 10.1016/j.jep.2013.12.033] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2013] [Revised: 11/25/2013] [Accepted: 12/19/2013] [Indexed: 06/03/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Myrsine seguinii H. LÉVEILLÉ (syn. Rapanea neriifolia) (Myrsinaceae) is a medicinal plants traditionally used in Myanmar to treat infectious and inflammatory diseases. Since none of reports have systematically demonstrated the anti-inflammatory activity of this plant, we aimed to mechanistically understand the regulatory roles of the plant in inflammatory responses using the ethanolic extract of Myrsine seguinii (Ms-EE). MATERIALS AND METHODS Activated macrophages and peritonitis symptoms induced by lipopolysaccharide (LPS) were employed. HPLC analysis was used to identify active components. To characterize direct target enzymes, kinase assay was established. RESULTS Ms-EE inhibited the production of nitric oxide (NO) and prostaglandin (PG)E2 in RAW264.7 cells and peritoneal macrophages stimulated by LPS. This extract suppressed the mRNA expression of the inducible NO synthase (iNOS) and cyclooxygenase (COX)-2 genes by down-regulating the activation of nuclear factor (NF)-κB and activator protein (AP-1). Interestingly, it was found that Ms-EE can directly suppress the enzyme activities of Syk, Src, and interleukin-1 receptor-associated kinase-1 (IRAK-1). Similarly, orally administered Ms-EE inhibited the phosphorylation of Src and Syk in peritoneal exudate-derived cells prepared from peritonitis. Finally, HPLC analysis clearly demonstrated that quercetin is a major active component with suppressing activity on the release of inflammatory mediators (NO and PGE2), and the enzyme activities of Src, Syk, and IRAK-1. CONCLUSION Ms-EE containing quercetin negatively modulates macrophage-mediated in vitro inflammatory responses and LPS-induced peritonitis by blocking the Src/Syk/NF-κB and IRAK-1/AP-1 pathways, which contributes to its major ethnopharmacological use as an anti-inflammatory herbal medicine.
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Affiliation(s)
- Woo Seok Yang
- Department of Genetic Engineering, Sungkyunkwan University, Suwon 440-746, Republic of Korea
| | - Deok Jeong
- Department of Genetic Engineering, Sungkyunkwan University, Suwon 440-746, Republic of Korea
| | - Young-Su Yi
- Department of Genetic Engineering, Sungkyunkwan University, Suwon 440-746, Republic of Korea
| | - Byoung-Hee Lee
- Division of Biological Resources Coordination, National Institute of Biological Resources, Incheon 404-708, Republic of Korea
| | - Tae Woong Kim
- Department of Biochemistry, Kangwon National University, Chuncheon 200-701, Republic of Korea
| | - Khin Myo Htwe
- Popa Mountain Park, Forest Department, Kyaukpadaung Township, Mandalay Division, Myanmar
| | - Young-Dong Kim
- Department of Life Science, Hallym University, Chuncheon 200-702, Republic of Korea
| | - Kee Dong Yoon
- College of Pharmacy, The Catholic University of Korea, Bucheon 420-743, Republic of Korea.
| | - Sungyoul Hong
- Department of Genetic Engineering, Sungkyunkwan University, Suwon 440-746, Republic of Korea
| | - Woo-Shin Lee
- Department of Forest Sciences, Seoul National University, Seoul 151-921, Republic of Korea
| | - Jae Youl Cho
- Department of Genetic Engineering, Sungkyunkwan University, Suwon 440-746, Republic of Korea.
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Motoki Y, Tani K, Shimizu T, Tamiya H, Hase K, Ohmoto Y, Matsushima K, Sone S. The expression of chemokine receptor CXCR3: relevance to disease activity of rheumatoid arthritis. Mod Rheumatol 2014; 13:114-20. [PMID: 24387169 DOI: 10.3109/s10165-002-0209-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract CXC chemokine receptor 3 (CXCR3) is selectively expressed on T helper 1 (Th1) type T cells and has been shown to be responsible for Th1-dominant immune responses. In this study, we analyzed the expression of CXCR3 on peripheral blood T lymphocytes of patients with rheumatoid arthritis (RA) by FACS analysis using antihuman CXCR3 monoclonal antibody and determined the clinical relevance in this disease. Significantly higher expression of CXCR3 was found on peripheral blood CD4+ T lymphocytes of RA patients than healthy controls. The CXCR3 expression in RA patients with a high erythrocyte sedimentation rate was significantly higher than in those with a low erythrocyte sedimentation rate. Moreover, we found that the CXCR3 expression in RA patients with long-term disease duration was significantly higher than in those with short-term disease. On the other hand, CC chemokine receptor 4 (CCR4), which was shown to be selectively expressed on Th2-type T cells, was expressed at low levels in RA patients as well as in healthy controls. The serum level of interleukin (IL)-18 in RA patients was higher than that in healthy controls, although there was no statistically significant difference. This study suggests that the Th1 immune response is predominant in RA and that CXCR3 may have relevance in regard to the disease course in RA patients.
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Affiliation(s)
- Yumi Motoki
- Third Department of Internal Medicine, School of Medicine, Tokushima University , 3-18-15 Kuramoto-cho, Tokushima 770-8503 , Japan
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Smith MD, Tak PP. Rheumatoid arthritis: new insights into the role of synovial inflammation in joint destruction. Mod Rheumatol 2014; 12:287-93. [DOI: 10.3109/s101650200051] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Hirano F, Kobayashi A, Hirano Y, Nomura Y, Fukawa E, Makino I. Nuclear factor-κB regulates RANTES chemokine expression in response to tumor necrosis factor-α in fibroblast-like synoviocytes. Mod Rheumatol 2014; 12:37-43. [DOI: 10.3109/s101650200006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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