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CCR2/CCL2 and CMKLR1/RvE1 chemokines system levels are associated with insulin resistance in rheumatoid arthritis. PLoS One 2021; 16:e0246054. [PMID: 33508012 PMCID: PMC7842933 DOI: 10.1371/journal.pone.0246054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 01/13/2021] [Indexed: 01/10/2023] Open
Abstract
Rheumatoid arthritis (RA) has been associated with insulin resistance (IR). Due to an excess in storage of white adipose tissue, IR has an inflammatory process that overlaps with RA. This is performed by the activation/migration of monocytes carried out by the CCR2/CCL2 and CMKLR1/RvE1 chemokines systems. Furthermore, these can potentiate chronic inflammation which is the central axis in the immunopathogenesis of RA. We evaluated the association between the relative expression of CCR2 and CMKLR1 and the serum levels of their ligands CCL2 and RvE1, in the context of adiposity status with IR as a comorbidity in RA. We studied 138 controls and 138 RA-patients classified with and without IR. We evaluated adiposity, RA activity, IR status and immunometabolic profiles by routine methods. Insulin, CCL2 and RvE1 serum levels were determined by ELISA. Relative expression of CCR2, CMKLR1 and RPS28 as constitutive gene by SYBR green RT-qPCR and 2-ΔΔCT method. Increased measurements were observed of body adiposity and metabolic status as follows: RA with IR>control group with IR>RA without IR> control group without IR. CCR2 and CMKLR1 relative expression was increased in RA without IR versus control without IR. CCR2: 2.3- and 1.3-fold increase and CMKLR1: 3.5- and 2.7-fold increase, respectively. Whereas, CCR2 expression correlates with CMKLR1 expression (rho = 0.331) and IR status (rho = 0.497 to 0.548). CMKLR1 expression correlates with inflammation markers (rho = 0.224 to 0.418). CCL2 levels were increased in the RA groups but levels of RvE1 were increased in RA without IR. We conclude that in RA with IR, the chemokine receptors expression pattern showed a parallel increase with their respective ligands. RA and IR in conjunction with the pathological distribution of body fat mass might exacerbate chronic inflammation. These results suggest that high CCL2 levels and compensatory RvE1 levels might not be enough to resolve the inflammation by themselves.
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Cheng Q, Chen X, Wu H, Du Y. Three hematologic/immune system-specific expressed genes are considered as the potential biomarkers for the diagnosis of early rheumatoid arthritis through bioinformatics analysis. J Transl Med 2021; 19:18. [PMID: 33407587 PMCID: PMC7789535 DOI: 10.1186/s12967-020-02689-y] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Accepted: 12/22/2020] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Rheumatoid arthritis (RA) is the most common chronic autoimmune connective tissue disease. However, early RA is difficult to diagnose due to the lack of effective biomarkers. This study aimed to identify new biomarkers and mechanisms for RA disease progression at the transcriptome level through a combination of microarray and bioinformatics analyses. METHODS Microarray datasets for synovial tissue in RA or osteoarthritis (OA) were downloaded from the Gene Expression Omnibus (GEO) database, and differentially expressed genes (DEGs) were identified by R software. Tissue/organ-specific genes were recognized by BioGPS. Enrichment analyses were performed and protein-protein interaction (PPI) networks were constructed to understand the functions and enriched pathways of DEGs and to identify hub genes. Cytoscape was used to construct the co-expressed network and competitive endogenous RNA (ceRNA) networks. Biomarkers with high diagnostic value for the early diagnosis of RA were validated by GEO datasets. The ggpubr package was used to perform statistical analyses with Student's t-test. RESULTS A total of 275 DEGs were identified between 16 RA samples and 10 OA samples from the datasets GSE77298 and GSE82107. Among these DEGs, 71 tissue/organ-specific expressed genes were recognized. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis indicated that DEGs are mostly enriched in immune response, immune-related biological process, immune system, and cytokine signal pathways. Fifteen hub genes and gene cluster modules were identified by Cytoscape. Eight haematologic/immune system-specific expressed hub genes were verified by GEO datasets. GZMA, PRC1, and TTK may be potential biomarkers for diagnosis of early RA. NEAT1-miR-212-3p/miR-132-3p/miR-129-5p-TTK, XIST-miR-25-3p/miR-129-5p-GZMA, and TTK_hsa_circ_0077158- miR-212-3p/miR-132-3p/miR-129-5p-TTK might be potential RNA regulatory pathways to regulate the disease progression of early RA. CONCLUSIONS This work identified three haematologic/immune system-specific expressed genes, namely, GZMA, PRC1, and TTK, as potential biomarkers for the early diagnosis and treatment of RA and provided insight into the mechanisms of disease development in RA at the transcriptome level. In addition, we proposed that NEAT1-miR-212-3p/miR-132-3p/miR-129-5p-TTK, XIST-miR-25-3p/miR-129-5p-GZMA, and TTK_hsa_circ_0077158-miR-212-3p/miR-132-3p/miR-129-5p-TTK are potential RNA regulatory pathways that control disease progression in early RA.
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Affiliation(s)
- Qi Cheng
- Department of Rheumatology, the Second Affiliated Hospital of Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou, 310009, China.,Department of Clinic Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou, 310009, China
| | - Xin Chen
- Department of Rheumatology, the Second Affiliated Hospital of Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou, 310009, China.,Department of Clinic Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou, 310009, China
| | - Huaxiang Wu
- Department of Rheumatology, the Second Affiliated Hospital of Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou, 310009, China.
| | - Yan Du
- Department of Rheumatology, the Second Affiliated Hospital of Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou, 310009, China.
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Bilal M, Qindeel M, Nunes LV, Duarte MTS, Ferreira LFR, Soriano RN, Iqbal HMN. Marine-Derived Biologically Active Compounds for the Potential Treatment of Rheumatoid Arthritis. Mar Drugs 2020; 19:10. [PMID: 33383638 PMCID: PMC7823916 DOI: 10.3390/md19010010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 12/05/2020] [Accepted: 12/10/2020] [Indexed: 02/05/2023] Open
Abstract
Rheumatoid arthritis (RA) is a chronic, systemic autoimmune disease with a prevalence rate of up to 1% and is significantly considered a common worldwide public health concern. Commercially, several traditional formulations are available to treat RA to some extent. However, these synthetic compounds exert toxicity and considerable side effects even at lower therapeutic concentrations. Considering the above-mentioned critiques, research is underway around the world in finding and exploiting potential alternatives. For instance, marine-derived biologically active compounds have gained much interest and are thus being extensively utilized to confront the confines of in practice counterparts, which have become ineffective for 21st-century medical settings. The utilization of naturally available bioactive compounds and their derivatives can minimize these synthetic compounds' problems to treat RA. Several marine-derived compounds exhibit anti-inflammatory and antioxidant properties and can be effectively used for therapeutic purposes against RA. The results of several studies ensured that the extraction of biologically active compounds from marine sources could provide a new and safe source for drug development against RA. Finally, current challenges, gaps, and future perspectives have been included in this review.
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Affiliation(s)
- Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian 223003, China
| | - Maimoona Qindeel
- Department of Pharmacy, Quaid-i-Azam University, Islamabad 45320, Pakistan;
| | - Leonardo Vieira Nunes
- Department of Medicine, Federal University of Juiz de Fora, Juiz de Fora-MG 36036-900, Brazil;
| | | | - Luiz Fernando Romanholo Ferreira
- Graduate Program in Process Engineering, Tiradentes University (UNIT), Av. Murilo Dantas, 300, Farolândia, Aracaju-Sergipe 49032-490, Brazil;
- Institute of Technology and Research (ITP), Tiradentes University (UNIT), Av. Murilo Dantas, 300, Farolândia, Aracaju-Sergipe 49032-490, Brazil
| | - Renato Nery Soriano
- Division of Physiology and Biophysics, Department of Basic Life Sciences, Federal University of Juiz de Fora, Governador Valadares-MG 35010-180, Brazil;
| | - Hafiz M. N. Iqbal
- School of Engineering and Sciences, Tecnologico de Monterrey, Monterrey 64849, Mexico
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Polyakova YV, Zavodovsky BV, Sivordova LE, Akhverdyan YR, Zborovskaya IA. Visfatin and Rheumatoid Arthritis: Pathogenetic Implications and Clinical Utility. Curr Rheumatol Rev 2020; 16:224-239. [DOI: 10.2174/1573397115666190409112621] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Revised: 03/15/2019] [Accepted: 04/02/2019] [Indexed: 12/12/2022]
Abstract
Objective:
Analysis and generalization of data related to visfatin involvement in the
pathogenesis of inflammation at various stages of rheumatoid arthritis.
Data Synthesis:
Visfatin is an adipocytokine which has also been identified in non-adipose tissues.
It influences directly on the maturation of B cells, which are involved in autoantibody production
and T cell activation. Visfatin can promote inflammation via regulation of pro-inflammatory cytokines
including TNF, IL-1β and IL-6. The concentration of circulating visfatin in rheumatoid arthritis
patients is higher compared to healthy individuals. Several studies suggest that visfatin level is
associated with rheumatoid arthritis activity, and its elevation may precede clinical signs of the relapse.
In murine collagen-induced arthritis, visfatin levels were also found to be elevated both in
inflamed synovial cells and in joint vasculature. Visfatin blockers have been shown to confer fast
and long-term attenuation of pathological processes; however, most of their effects are transient.
Other factors responsible for hyperactivation of the immune system can participate in this process
at a later stage. Treatment of rheumatoid arthritis with a combination of these blockers and inhibitors
of other mediators of inflammation can potentially improve treatment outcomes compared to
current therapeutic strategies. Recent advances in the treatment of experimental arthritis in mice as
well as the application of emerging treatment strategies obtained from oncology for rheumatoid arthritis
management could be a source of novel adipokine-mediated anti-rheumatic drugs.
Conclusion:
The ongoing surge of interest in anticytokine therapy makes further study of visfatin
highly relevant as it may serve as a base for innovational RA treatment.
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Affiliation(s)
- Yulia V. Polyakova
- Research Institute for Clinical and Experimental Rheumatology, Volgograd, Russian Federation
| | - Boris V. Zavodovsky
- Research Institute for Clinical and Experimental Rheumatology, Volgograd, Russian Federation
| | - Larisa E. Sivordova
- Research Institute for Clinical and Experimental Rheumatology, Volgograd, Russian Federation
| | - Yuri R. Akhverdyan
- Research Institute for Clinical and Experimental Rheumatology, Volgograd, Russian Federation
| | - Irina A. Zborovskaya
- Research Institute for Clinical and Experimental Rheumatology, Volgograd, Russian Federation
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Abstract
PURPOSE OF REVIEW Rheumatoid arthritis (RA) is a prototypic autoimmune disease manifesting as chronic inflammation of the synovium and leading to acceleration of cardiovascular disease and shortening of life expectancy. The basic defect causing autoimmunity has remained elusive, but recent insights have challenged the notion that autoantigen is the core driver. RECENT FINDINGS Emerging data have added metabolic cues involved in the proper maintenance and activation of immune cells as pathogenic regulators. Specifically, studies have unveiled metabolic pathways that enforce T cell fate decisions promoting tissue inflammation; including T cell tissue invasiveness, T cell cytokine release, T cell-dependent macrophage activation and inflammatory T cell death. At the center of the metabolic abnormalities lies the mitochondria, which is consistently underperforming in RA T cells. The mitochondrial defect results at least partially from insufficient DNA repair and leads to lipid droplet accumulation, formation of invasive membrane ruffles, inflammasome activation and pyroptotic T cell death. SUMMARY T cells in patients with RA, even naïve T cells never having been involved in inflammatory lesions, have a unique metabolic signature and the changes in intracellular metabolites drive pathogenic T cell behavior. Recognizing the role of metabolic signals in cell fate decisions opens the possibility for immunomodulation long before the end stage synovial inflammation encountered in clinical practice.
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56
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Hafez EN, Moawed FSM, Abdel-Hamid GR, Eldin ES. Immunomodulatory activity of gamma radiation-attenuated Toxoplasma gondii in adjuvant arthritic mice. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2020; 209:111920. [PMID: 32505115 DOI: 10.1016/j.jphotobiol.2020.111920] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 05/20/2020] [Accepted: 05/26/2020] [Indexed: 01/11/2023]
Abstract
There is growing evidence that some parasitic infections can impact a variety of autoimmune diseases by disease-inducing or protecting capacities. Anti-inflammatory molecules secreted by Toxoplasma gondii and other parasites are capable of preventing some autoimmune disease like arthritis, lupus nephritis and systemic lupus erythematosus by acting on the immune system. Here we aimed to evaluate the protective efficacy of vaccination with Toxoplasma gondii (T. gondii), either gamma radiation-attenuated or not, on an adjuvant arthritis mouse model. Forty female Swiss albino mice were conducted in experiment divided into normal control; mice were injected with Complete Freund's adjuvant (CFA) into the right hind paws; mice vaccinated with irradiated T. gondii in the 3rd group and un-irradiated T. gondii in the 4th group then were injected two weeks later with CFA. Histopathological changes and IL-17, STAT6 and ROR-γ levels in the joints, as well as serum survivin and Anti-CCP, were evaluated. Also, the splenic production of TGF-β1, TGF-βR, IL-23, IL-1β, IFN-γ, TFN-∞, NFKβ, MMP1 and MMP3 were assessed. Results exhibited an enhancement of the histopathological changes with diminished the rise of IL-17, STAT 6 and ROR- γ within the joints of both vaccinated groups. Also, serum survivin and Anti-CCP, as well as splenic inflammatory cytokines were reduced. It can be concluded that vaccination with un-irradiated or radiation-attenuated T. gondii exerted a protective effect against adjuvant arthritis with better pathological achievement in the radiation-attenuated vaccinated group. Using gamma radiation-attenuated parasite to exclude the delirious effects of imposing infection of live one may pave the way to new preventative modality against rheumatoid arthritis.
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Affiliation(s)
- Eman N Hafez
- Health Radiation Research, National Center for Radiation Research and Technology, Atomic Energy Authority, Cairo, Egypt
| | - Fatma S M Moawed
- Health Radiation Research, National Center for Radiation Research and Technology, Atomic Energy Authority, Cairo, Egypt.
| | - Gehan R Abdel-Hamid
- Radiation Biology, National Center for Radiation Research and Technology, Atomic Energy Authority, Cairo, Egypt
| | - Eman S Eldin
- Health Radiation Research, National Center for Radiation Research and Technology, Atomic Energy Authority, Cairo, Egypt
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Du H, Wang Y, Zeng Y, Huang X, Liu D, Ye L, Li Y, Chen X, Liu T, Li H, Wu J, Yu Q, Wu Y, Jie L. Tanshinone IIA Suppresses Proliferation and Inflammatory Cytokine Production of Synovial Fibroblasts from Rheumatoid Arthritis Patients Induced by TNF-α and Attenuates the Inflammatory Response in AIA Mice. Front Pharmacol 2020; 11:568. [PMID: 32499694 PMCID: PMC7243269 DOI: 10.3389/fphar.2020.00568] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 04/14/2020] [Indexed: 12/20/2022] Open
Abstract
Rheumatoid arthritis (RA) is a chronic and progressive autoimmune disease in which activated RA fibroblast-1ike synoviocytes (RA-FLSs) are one of the main factors responsible for inducing morbidity. Previous reports have shown that RA-FLSs have proliferative features similar to cancer cells, in addition to causing cartilage erosion that eventually causes joint damage. Thus, new therapeutic strategies and drugs that can effectively contain the abnormal hyperplasia of RA-FLSs and restrain RA development are necessary for the treatment of RA. Tanshinone IIA (Tan IIA), one of the main phytochemicals isolated from Salvia miltiorrhiza Bunge, is capable of promoting RA-FLS apoptosis and inhibiting arthritis in an AIA mouse model. In addition, RA patients treated at our clinic with Tan IIA showed significant improvements in their clinical symptoms. However, the details of the molecular mechanism by which Tan IIA effects RA are unknown. To clarify this mechanism, we evaluated the antiproliferative and inhibitory effects of proinflammatory factor production caused by Tan IIA to RA-FLSs. We demonstrated that Tan IIA can restrict the proliferation, migration, and invasion of RA-FLSs in a time- and dose-dependent manner. Moreover, Tan IIA effectively suppressed the increase in mRNA expression of some matrix metalloproteinases and proinflammatory factors induced by TNF-α in RA-FLSs, resulting in inflammatory reactivity inhibition and blocking the destruction of the knee joint. Through the integration of network pharmacology analyses with the experimental data obtained, it is revealed that the effects of Tan IIA on RA can be attributed to its influence on different signaling pathways, including MAPK, AKT/mTOR, HIF-1, and NF-kB. Taken together, these data suggest that the compound Tan IIA has great therapeutic potential for RA treatment.
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Affiliation(s)
- Hongyan Du
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Yuechun Wang
- Department of Rheumatology and Clinical Immunology, Zhujiang Hospital, Southern Medical University, Guangzhou, China.,School of Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Yongchang Zeng
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Xiaoming Huang
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Dingfei Liu
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Lvlan Ye
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Yang Li
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Xiaochen Chen
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China.,School of Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Tiancai Liu
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Hongwei Li
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Jing Wu
- Department of Rheumatology and Clinical Immunology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Qinghong Yu
- Department of Rheumatology and Clinical Immunology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Yingsong Wu
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Ligang Jie
- Department of Rheumatology and Clinical Immunology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
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Joung EJ, Kwon M, Gwon WG, Cao L, Lee SG, Utsuki T, Wakamatsu N, Kim JI, Kim HR. Meroterpenoid-Rich Fraction of the Ethanol Extract of Sargassum Serratifolium Suppresses Collagen-Induced Rheumatoid Arthritis in DBA/1J Mice Via Inhibition of Nuclear Factor κB Activation. Mol Nutr Food Res 2020; 64:e1900373. [PMID: 31900972 DOI: 10.1002/mnfr.201900373] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 12/10/2019] [Indexed: 12/20/2022]
Abstract
SCOPE Rheumatoid arthritis (RA) is an autoimmune disorder related to the inflammation of cartilage due to the infiltration of inflammatory cells. Sargassum serratifolium, a brown alga, possesses strong anti-inflammatory activities. METHODS AND RESULTS The effect of meroterpenoid-rich fraction from the ethanol extract of S. serratifolium (MES) on RA and its underlying mechanisms on the inhibition of RA using a collagen-induced arthritis (CIA) mouse model are examined. The results show that MES ameliorates paw swelling and reduces the arthritis score. MES considerably decreases the secretion of pro-inflammatory cytokines in the serum and joint tissue of mice. Histopathological analysis demonstrates that MES strongly inhibited bone damage and inflammatory cell intrusion in the joint tissue. The expression of inflammatory enzymes and adhesion molecules is significantly inhibited in the serum and joint tissue of MES-fed mice. In addition, MES downregulates the nuclear factor κB (NF-κB) signaling pathway by suppressing the phosphorylation of protein kinase B, c-Jun N-terminal kinase, and p38 mitogen-activated protein kinases. CONCLUSIONS MES supplementation remarkably reduces inflammatory response in CIA mouse model. These results indicate that MES can be used as a pharmaceutical agent against RA.
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Affiliation(s)
- Eun-Ji Joung
- Department of Food Science and Nutrition, Pukyong National University, 45 Yongso-ro, Nam-gu, Busan, 48513, Republic of Korea
| | - Misung Kwon
- Department of Food Science and Nutrition, Pukyong National University, 45 Yongso-ro, Nam-gu, Busan, 48513, Republic of Korea
| | - Wi-Gyeong Gwon
- Department of Food Science and Nutrition, Pukyong National University, 45 Yongso-ro, Nam-gu, Busan, 48513, Republic of Korea
| | - Lei Cao
- Department of Food Science and Nutrition, Pukyong National University, 45 Yongso-ro, Nam-gu, Busan, 48513, Republic of Korea
| | - Sang-Gil Lee
- Department of Food Science and Nutrition, Pukyong National University, 45 Yongso-ro, Nam-gu, Busan, 48513, Republic of Korea
| | - Tadanobu Utsuki
- Department of Pathobiological Science, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA, 70802, USA
| | - Nobuko Wakamatsu
- Department of Pathobiological Science, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA, 70802, USA
| | - Jae-Il Kim
- Department of Food Science and Nutrition, Pukyong National University, 45 Yongso-ro, Nam-gu, Busan, 48513, Republic of Korea
| | - Hyeung-Rak Kim
- Department of Food Science and Nutrition, Pukyong National University, 45 Yongso-ro, Nam-gu, Busan, 48513, Republic of Korea
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Lu Q, Wang J, Zhang X, Tian R, Qiao L, Ge L, Pan J, Wang L. TXNDC5 protects synovial fibroblasts of rheumatoid arthritis from the detrimental effects of endoplasmic reticulum stress. Intractable Rare Dis Res 2020; 9:23-29. [PMID: 32201671 PMCID: PMC7062600 DOI: 10.5582/irdr.2019.01139] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Revised: 01/30/2020] [Accepted: 02/04/2020] [Indexed: 12/24/2022] Open
Abstract
TXNDC5 is an endoplasmic reticulum (ER)-resident chaperone that protects the endothelium from secondary effects of ER stress. Previous studies by the current authors identified TXNDC5 as a key pathological factor in promoting the inflammatory phenotype of fibroblast-like synoviocytes (FLSs) from rheumatoid arthritis (RA). However, its activity in RA FLSs under ER stress remains unclear. The current study found that TXNDC5 is responsive to ER stress in RA FLSs since its expression was induced by ER stress at both the endogenous and secretory level. A functional study indicated that silencing TXNDC5 reduced the viability of RA FLSs more markedly in the presence of ER stressors. In contrast, rhTXNDC5 attenuated a decrease in cell viability as a result of ER stress. Moreover, silencing TXNDC5 attenuated the induction of IL-6 and IL-8 from RA FLSs in response to ER stress. In addition, rhTXNDC5 induced a greater increase in VEGF production during ER stress. These findings confirm the pro-survival and pro-inflammation roles of TXNDC5 under ER stress in RA FLSs. TXNDC5 appears to act as a mediator linking ER stress and inflammation of RA.
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Affiliation(s)
- Qiqi Lu
- School of Medicine and Life Sciences, University of Ji'nan-Shandong Academy of Medical Sciences, Ji'nan, Shandong, China
| | - Jinguang Wang
- Department of Orthopedics, Dezhou People's Hospital, Dezhou, Shandong, China
| | - Xiumei Zhang
- Graduate Education Centre of the Shandong Academy of Medical Sciences, Ji'nan, Shandong, China
| | - Ruisong Tian
- Shandong Medicinal Biotechnology Centre, Key Laboratory for Rare and Uncommon Diseases of Shandong Province, Key Lab for Biotechnology Drugs of the Ministry of Health, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji'nan, Shandong, China
| | - Li Qiao
- College of Clinical Medicine, Shandong University, Ji'nan, Shandong, China
| | - Luna Ge
- Shandong Medicinal Biotechnology Centre, Key Laboratory for Rare and Uncommon Diseases of Shandong Province, Key Lab for Biotechnology Drugs of the Ministry of Health, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji'nan, Shandong, China
| | - Jihong Pan
- Shandong Medicinal Biotechnology Centre, Key Laboratory for Rare and Uncommon Diseases of Shandong Province, Key Lab for Biotechnology Drugs of the Ministry of Health, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji'nan, Shandong, China
| | - Lin Wang
- Shandong Medicinal Biotechnology Centre, Key Laboratory for Rare and Uncommon Diseases of Shandong Province, Key Lab for Biotechnology Drugs of the Ministry of Health, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji'nan, Shandong, China
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60
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Chen Y, Wang Y, Liu M, Zhou B, Yang G. Diosmetin exhibits anti-proliferative and anti-inflammatory effects on TNF-α-stimulated human rheumatoid arthritis fibroblast-like synoviocytes through regulating the Akt and NF-κB signaling pathways. Phytother Res 2019; 34:1310-1319. [PMID: 31833613 DOI: 10.1002/ptr.6596] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 11/01/2019] [Accepted: 11/30/2019] [Indexed: 12/19/2022]
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory disease characterized by inflammation and proliferation of synovial tissues. Diosmetin is a bioflavonoid possessing an anti-inflammatory property. Herein, we aimed to study the effects of diosmetin on the inflammation and proliferation of RA fibroblast-like synoviocytes MH7A cells. MH7A cell proliferation was measured using cell counting kit-8 assay. Cell apoptosis was examined using flow cytometry. The production of inflammatory cytokines including interleukin (IL)-1β, IL-6, IL-8, and matrix metalloproteinase-1 (MMP-1) was measured using enzyme-linked immunosorbent assay (ELISA). Results showed that diosmetin inhibited tumor necrosis factor-α (TNF-α)-induced proliferation increase in MH7A cells in a dose-dependent manner. Diosmetin treatment resulted in an increase in apoptotic rates and a reduction in TNF-α-induced production of IL-1β, IL-6, IL-8, and MMP-1 in MH7A cells. Furthermore, diosmetin inhibited TNF-α-induced activation of protein kinase B (Akt) and nuclear factor-κB (NF-κB) pathways in MH7A cells. Suppression of Akt or NF-κB promoted apoptosis and inhibited TNF-α-induced proliferation increase and production of IL-1β, IL-6, IL-8, and MMP-1 in MH7A cells, and diosmetin treatment enhanced these effects. Taken together, these findings suggested that diosmetin exhibited anti-proliferative and anti-inflammatory effects via inhibiting the Akt and NF-κB pathways in MH7A cells.
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Affiliation(s)
- You Chen
- Department of Orthopedics, The First Affiliated Hospital of Henan University, Kaifeng, China
| | - Yongsheng Wang
- Department of Orthopedics, The First Affiliated Hospital of Henan University, Kaifeng, China
| | - Min Liu
- Training Centre, The First Affiliated Hospital of Henan University, Kaifeng, China
| | - Bingkang Zhou
- Department of Orthopedics, The First Affiliated Hospital of Henan University, Kaifeng, China
| | - Guangjie Yang
- Department of Orthopedics, The First Affiliated Hospital of Henan University, Kaifeng, China
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61
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Wang X, Chen Z, Fan X, Li W, Qu J, Dong C, Wang Z, Ji Z, Li Y. Inhibition of DNM1L and mitochondrial fission attenuates inflammatory response in fibroblast-like synoviocytes of rheumatoid arthritis. J Cell Mol Med 2019; 24:1516-1528. [PMID: 31755231 PMCID: PMC6991664 DOI: 10.1111/jcmm.14837] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 09/12/2019] [Accepted: 11/08/2019] [Indexed: 12/29/2022] Open
Abstract
Mitochondrial fission and fusion are important for mitochondrial function, and dynamin 1-like protein (DNM1L) is a key regulator of mitochondrial fission. We investigated the effect of mitochondrial fission on mitochondrial function and inflammation in fibroblast-like synoviocytes (FLSs) during rheumatoid arthritis (RA). DNM1L expression was determined in synovial tissues (STs) from RA and non-RA patients. FLSs were isolated from STs and treated with a DNM1L inhibitor (mdivi-1, mitochondrial division inhibitor 1) or transfected with DNM1L-specific siRNA. Mitochondrial morphology, DNM1L expression, cell viability, mitochondrial membrane potential, reactive oxygen species (ROS), apoptosis, inflammatory cytokine expression and autophagy were examined. The impact of mdivi-1 treatment on development and severity of collagen-induced arthritis (CIA) was determined in mice. Up-regulated DNM1L expression was associated with reduced mitochondrial length in STs from patients with RA and increased RA severity. Inhibition of DNM1L in FLSs triggered mitochondrial depolarization, mitochondrial elongation, decreased cell viability, production of ROS, IL-8 and COX-2, and increased apoptosis. DNM1L deficiency inhibited IL-1β-mediated AKT/IKK activation, NF-κBp65 nuclear translocation and LC3B-related autophagy, but enhanced NFKBIA expression. Treatment of CIA mice with mdivi-1 decreased disease severity by modulating inflammatory cytokine and ROS production. Our major results are that up-regulated DNM1L and mitochondrial fission promoted survival, LC3B-related autophagy and ROS production in FLSs, factors that lead to inflammation by regulating AKT/IKK/NFKBIA/NF-κB signalling. Thus, inhibition of DNM1L may be a new strategy for treatment of RA.
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Affiliation(s)
- Xiaoyan Wang
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Zhufeng Chen
- Department of Orthopaedics, Tangdu Hospital, The Second Affiliated Hospital of Air Force Medical University, Xi'an, China
| | - Xuemei Fan
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Wei Li
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jiaqi Qu
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Chuan Dong
- Department of Orthopaedics, Tangdu Hospital, The Second Affiliated Hospital of Air Force Medical University, Xi'an, China
| | - Zhixue Wang
- Department of Orthopaedics, Tangdu Hospital, The Second Affiliated Hospital of Air Force Medical University, Xi'an, China
| | - Zhenwei Ji
- Department of Orthopaedics, Tangdu Hospital, The Second Affiliated Hospital of Air Force Medical University, Xi'an, China
| | - Yang Li
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
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Hsu T, Nguyen-Tran HH, Trojanowska M. Active roles of dysfunctional vascular endothelium in fibrosis and cancer. J Biomed Sci 2019; 26:86. [PMID: 31656195 PMCID: PMC6816223 DOI: 10.1186/s12929-019-0580-3] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Accepted: 10/09/2019] [Indexed: 12/15/2022] Open
Abstract
Chronic inflammation is the underlying pathological condition that results in fibrotic diseases. More recently, many forms of cancer have also been linked to chronic tissue inflammation. While stromal immune cells and myofibroblasts have been recognized as major contributors of cytokines and growth factors that foster the formation of fibrotic tissue, the endothelium has traditionally been regarded as a passive player in the pathogenic process, or even as a barrier since it provides a physical divide between the circulating immune cells and the inflamed tissues. Recent findings, however, have indicated that endothelial cells in fact play a crucial role in the inflammatory response. Endothelial cells can be activated by cytokine signaling and express inflammatory markers, which can sustain or exacerbate the inflammatory process. For example, the activated endothelium can recruit and activate leukocytes, thus perpetuating tissue inflammation, while sustained stimulation of endothelial cells may lead to endothelial-to-mesenchymal transition that contributes to fibrosis. Since chronic inflammation has now been recognized as a significant contributing factor to tumorigenesis, it has also emerged that activation of endothelium also occurs in the tumor microenvironment. This review summarizes recent findings characterizing the molecular and cellular changes in the vascular endothelium that contribute to tissue fibrosis, and potentially to cancer formation.
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Affiliation(s)
- Tien Hsu
- Department of Biomedical Sciences and Engineering, National Central University, 300 Jhongda Rd, Taoyuan City, Taiwan, Republic of China. .,Center for Chronic Disease Research, National Central University, 300 Jhongda Rd, Taoyuan City, Taiwan, Republic of China.
| | - Hieu-Huy Nguyen-Tran
- Department of Biomedical Sciences and Engineering, National Central University, 300 Jhongda Rd, Taoyuan City, Taiwan, Republic of China
| | - Maria Trojanowska
- Arthritis Center, Boston University School of Medicine, 75 E. Newton St. Evans Building, Boston, MA, 02118, USA
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Abstract
Advances in the treatment of rheumatoid arthritis (RA) are attributed to several aspects such as new classification criteria enabling early diagnosis and intensive treatment with the application of treat-to-target principles as well as better understanding of the pathogenesis of RA contributing to the development of targeted therapies. However, reaching remission is still not achieved in most patients with RA, which is one of the driving forces behind the continuous development of novel therapies and the optimization of therapeutic strategies. This review will outline several new therapeutic antibodies modulating anti-inflammatory cytokines interleukin (IL)-2 and IL-10 and pro-inflammatory mediators granulocyte-macrophage colony-stimulating factor, fractalkine, and IL-6 that are in various stages of clinical development as well as the progress in manufacturing biotechnologies contributing to the next generation of antibodies and their potential to expand the therapeutic armamentarium for RA. In addition, the fate of unsuccessful therapies including agents targeting IL-15, the IL-20 family, IL-21, chemokine CXCL10, B-cell activating factor (BAFF), and regulatory T (Treg) cells or a novel concept targeting synovial fibroblasts via cadherin-11 will be discussed.
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Affiliation(s)
- Ladislav Senolt
- Department of Rheumatology, First Faculty of Medicine, Charles University, Institute of Rheumatology, Prague, Czech Republic, 128 50, Czech Republic
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Bunte K, Beikler T. Th17 Cells and the IL-23/IL-17 Axis in the Pathogenesis of Periodontitis and Immune-Mediated Inflammatory Diseases. Int J Mol Sci 2019; 20:ijms20143394. [PMID: 31295952 PMCID: PMC6679067 DOI: 10.3390/ijms20143394] [Citation(s) in RCA: 280] [Impact Index Per Article: 56.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 06/11/2019] [Accepted: 07/08/2019] [Indexed: 12/12/2022] Open
Abstract
Innate immunity represents the semi-specific first line of defense and provides the initial host response to tissue injury, trauma, and pathogens. Innate immunity activates the adaptive immunity, and both act highly regulated together to establish and maintain tissue homeostasis. Any dysregulation of this interaction can result in chronic inflammation and autoimmunity and is thought to be a major underlying cause in the initiation and progression of highly prevalent immune-mediated inflammatory diseases (IMIDs) such as psoriasis, rheumatoid arthritis, inflammatory bowel diseases among others, and periodontitis. Th1 and Th2 cells of the adaptive immune system are the major players in the pathogenesis of IMIDs. In addition, Th17 cells, their key cytokine IL-17, and IL-23 seem to play pivotal roles. This review aims to provide an overview of the current knowledge about the differentiation of Th17 cells and the role of the IL-17/IL-23 axis in the pathogenesis of IMIDs. Moreover, it aims to review the association of these IMIDs with periodontitis and briefly discusses the therapeutic potential of agents that modulate the IL-17/IL-23 axis.
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Affiliation(s)
- Kübra Bunte
- Department of Periodontics, Preventive and Restorative Dentistry, University Medical Centre Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Thomas Beikler
- Department of Periodontics, Preventive and Restorative Dentistry, University Medical Centre Hamburg-Eppendorf, 20246 Hamburg, Germany.
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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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Yang JH, Kwon HH, Lee JK, Bang SY, Lee HS. Successful arthroscopic treatment of refractory and complicated popliteal cyst associated with rheumatoid arthritis in combination with osteoarthritis: case series and literature review. Rheumatol Int 2019; 39:2177-2183. [PMID: 30976834 DOI: 10.1007/s00296-019-04278-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2019] [Accepted: 03/08/2019] [Indexed: 11/29/2022]
Abstract
Although popliteal cysts are most frequently identified in patients with osteoarthritis (OA), they may occur in patients with rheumatoid arthritis (RA), in which serious complicated cases such as cyst rupture can be developed. The objective of this study was to report four patients with RA (six knees) in combination with OA with a brief review of literature of previous similar published cases. This is a retrospective review of case records of patients with refractory and/or complicated popliteal cysts, who have successfully treated with arthroscopic intervention. We suggest that arthroscopic interventions such as radical debridement, synovectomy, biomechanical valve excision, and/or cystectomy should be considered in patients with refractory and complicated popliteal cysts associated with RA or RA in combination with OA.
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Affiliation(s)
- Jae-Hyuk Yang
- Department of Orthopedic Surgery, Hanyang University Guri Hospital, Guri, South Korea
| | - Hyuk-Hee Kwon
- Division of Rheumatology, Department of Internal Medicine, Hanyang University Guri Hospital, 153, Gyeongchunro, Guri, Gyeonggi-do, 11923, South Korea
| | - Jin Kyu Lee
- Department of Orthopaedic Surgery, Hanyang University Hospital, Seoul, South Korea
| | - So Young Bang
- Division of Rheumatology, Department of Internal Medicine, Hanyang University Guri Hospital, 153, Gyeongchunro, Guri, Gyeonggi-do, 11923, South Korea
| | - Hye-Soon Lee
- Division of Rheumatology, Department of Internal Medicine, Hanyang University Guri Hospital, 153, Gyeongchunro, Guri, Gyeonggi-do, 11923, South Korea.
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Feng ZT, Yang T, Hou XQ, Wu HY, Feng JT, Ou BJ, Cai SJ, Li J, Mei ZG. Sinomenine mitigates collagen-induced arthritis mice by inhibiting angiogenesis. Biomed Pharmacother 2019; 113:108759. [PMID: 30856539 DOI: 10.1016/j.biopha.2019.108759] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 03/04/2019] [Accepted: 03/05/2019] [Indexed: 12/17/2022] Open
Abstract
OBJECTIVE The objective of the present study is to investigate the inhibitory effects of sinomenine (SIN) on angiogenesis in a collagen-induced arthritis (CIA) mouse model. METHODS Arthritis assessments for all mice were recorded. The histopathological assessments were performed following haematoxylin and eosin (HE) staining. Immunohistochemistry and enzyme-linked immunosorbent assay (ELISA) analyses were used to detect the expression of hypoxia-inducible factor-1α (HIF-1α), vascular endothelial growth factor (VEGF) and angiopoietin 1 (ANG-1) in the serum and in the membrane. Immunohistochemistry was employed to detect the synovium microvessel density (MVD). RESULTS Compared with the CIA model group, SIN significantly ameliorated swelling and erythema extension, decreased the arthritis index, reduced inflammation, cartilage damage and bone erosion, and lessened the number of CD31 positive cells on the synovium. Moreover, the levels of HIF-1α, VEGF and ANG-1 in the synovium and in the peripheral serum were increased in the untreated CIA model group but were significantly reduced in the 30 mg/kg, 100 mg/kg and 300 mg/kg SIN treatment groups. CONCLUSION SIN could mitigate CIA by inhibiting angiogenesis, and the mechanism may associate with the HIF-1α-VEGF-ANG-1 axis. Additionally, our study provides a referable experimental basis for the use of SIN for the treatment of rheumatoid arthritis.
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Affiliation(s)
- Zhi-Tao Feng
- Third-Grade Pharmacological Laboratory on Chinese Medicine Approved by State Administration of Traditional Chinese Medicine, Medical College of China Three Gorges University, Yichang, Hubei, 443002, China; Shenzhen Institute of Geriatrics, Shenzhen, Guangdong, 518020, China; The Institute of Rheumatology, The First College of Clinical Medical Sciences, China Three Gorges University, Yichang, Hubei, 443003, China
| | - Tong Yang
- Third-Grade Pharmacological Laboratory on Chinese Medicine Approved by State Administration of Traditional Chinese Medicine, Medical College of China Three Gorges University, Yichang, Hubei, 443002, China
| | - Xiao-Qiang Hou
- The Institute of Rheumatology, The First College of Clinical Medical Sciences, China Three Gorges University, Yichang, Hubei, 443003, China
| | - Han-Yu Wu
- Third-Grade Pharmacological Laboratory on Chinese Medicine Approved by State Administration of Traditional Chinese Medicine, Medical College of China Three Gorges University, Yichang, Hubei, 443002, China
| | - Jia-Teng Feng
- Third-Grade Pharmacological Laboratory on Chinese Medicine Approved by State Administration of Traditional Chinese Medicine, Medical College of China Three Gorges University, Yichang, Hubei, 443002, China
| | - Bing-Jin Ou
- Third-Grade Pharmacological Laboratory on Chinese Medicine Approved by State Administration of Traditional Chinese Medicine, Medical College of China Three Gorges University, Yichang, Hubei, 443002, China
| | - San-Jin Cai
- Third-Grade Pharmacological Laboratory on Chinese Medicine Approved by State Administration of Traditional Chinese Medicine, Medical College of China Three Gorges University, Yichang, Hubei, 443002, China
| | - Juan Li
- Department of Rheumatology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China; Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China.
| | - Zhi-Gang Mei
- Third-Grade Pharmacological Laboratory on Chinese Medicine Approved by State Administration of Traditional Chinese Medicine, Medical College of China Three Gorges University, Yichang, Hubei, 443002, China.
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Malemud CJ. Inhibition of MMPs and ADAM/ADAMTS. Biochem Pharmacol 2019; 165:33-40. [PMID: 30826330 DOI: 10.1016/j.bcp.2019.02.033] [Citation(s) in RCA: 112] [Impact Index Per Article: 22.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Accepted: 02/28/2019] [Indexed: 12/12/2022]
Abstract
Matrix metalloproteinases (MMPs), A Disintegrin and Metalloproteinase (ADAM) and A Disintegrin and Metalloproteinase with Thrombospondin Motif (ADAMTS) are zinc-dependent endopeptidases that play a critical role in the destruction of extracellular matrix proteins and, the shedding of membrane-bound receptor molecules in various forms of arthritis and other diseases. Under normal conditions, MMP, ADAM and ADAMTS gene expression aids in the maintenance of homeostasis. However, in inflamed synovial joints characteristic of rheumatoid arthritis and osteoarthritis. MMP, ADAM and ADAMTS production is greatly increased under the influence of pro-inflammatory cytokines. Analyses based on medicinal chemistry strategies designed to directly inhibit the activity of MMPs have been largely unsuccessful when these MMP inhibitors were employed in animal models of rheumatoid arthritis and osteoarthritis. This is despite the fact that these MMP inhibitors were largely able to suppress pro-inflammatory cytokine-induced MMP production in vitro. A focus on ADAM and ADAMTS inhibitors has also been pursued. Thus, recent progress has identified the "sheddase" activity of ADAMs as a viable target and the development of GW280264X is an experimental ADAM17 inhibitor. Of note, a monoclonal antibody, GLPG1972, developed as an ADAMTS-5 inhibitor, entered a Phase I OA clinical trial. However, the failure of many of these previously developed inhibitors to move beyond the preclinical testing phase has required that novel strategies be developed that are designed to suppress both MMP, ADAM and ADAMTS production and activity.
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Affiliation(s)
- Charles J Malemud
- Division of Rheumatic Diseases, Case Western Reserve University School of Medicine, Cleveland, OH 44106, United States; Department of Medicine, Division of Rheumatic Diseases, University Hospitals Cleveland Medical Center, Foley Medical Building, 2061 Cornell Road, Room 207, Cleveland, OH 44106-5076, United States.
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Liu Y, Wei W, Hong C, Wang Y, Sun X, Ma J, Zheng F. Calreticulin induced endothelial ICAM-1 up-regulation associated with tristetraprolin expression alteration through PI3K/Akt/eNOS/p38 MAPK signaling pathway in rheumatoid arthritis. Mol Immunol 2019; 107:10-20. [PMID: 30639474 DOI: 10.1016/j.molimm.2019.01.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2018] [Revised: 01/02/2019] [Accepted: 01/04/2019] [Indexed: 12/17/2022]
Abstract
The present study was undertaken to determine whether extracellular calreticulin (CRT) participates in the regulation of ICAM-1in rheumatoid arthritis (RA) and further explore the potential mechanism. Our results showed that ICAM-1 and VCAM-1 levels were positively correlated with CRT levels in RA serum and synovial fluid, respectively. In RA synovial tissue, increased co-expressions of CRT and ICAM-1 in vascular endothelium and perivascular areas and elevated co-location of CRT and VCAM-1 localized predominantly to lining layer were observed compared to those in OA. In in vitro HUVECs model, enhanced ICAM-1expression and increased phosphorylation levels of Akt and eNOS were detected in the presence of CRT. Increased phosphorylated eNOS was significantly inhibited by a PI3K inhibitor LY294002 and elevated ICAM-1expression was partially blocked by the inhibitors of both PI3K and eNOS (L-NAME). It has been certified that the RNA-binding protein TTP targets AU-rich elements in the ICAM-1 3'-UTR and suppresses ICAM-1 expression. Knocking down TTP in HUVECs led to an increased induction of ICAM-1 by CRT. We have currently known that activation of p38 downstream kinase MK-2 leads to phosphorylation and inactivation of human TTP. The block of p38 MAPK/MK-2 signaling led to decreased protein expression and mRNA stability of TTP and ICAM-1. Furthermore, L-NAME and/or LY294002 pre-treated HUVECs manifested decreased p38 and MK-2 phosphorylation, which was accompanied by reduced TTP and ICAM-1 protein expression as well as decreased mRNA stability. Our results suggested that CRT could promote ICAM-1 expression in endothelial cells through PI3K/Akt/eNOS/p38 MAPK signaling mediated TTP accumulation, probably in an inactive form, which may provide a possible proinflammatory mechanism of CRT in RA.
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Affiliation(s)
- Yixin Liu
- Department of Clinical Immunology, School of Medical Laboratory, Tianjin Medical University, Tianjin 300203, China
| | - Wei Wei
- Department of Rheumatology, General Hospital, Tianjin Medical University, Tianjin 300052, China
| | - Chengcheng Hong
- Department of Laboratory Medicine, Children's Hospital of Tianjin, Tianjin 300203, China
| | - Yang Wang
- Department of Clinical Immunology, School of Medical Laboratory, Tianjin Medical University, Tianjin 300203, China
| | - Xuguo Sun
- Department of Clinical Immunology, School of Medical Laboratory, Tianjin Medical University, Tianjin 300203, China
| | - Jun Ma
- Department of Health Statistics, College of Public Health, Tianjin Medical University, Tianjin 300070, China.
| | - Fang Zheng
- Department of Clinical Immunology, School of Medical Laboratory, Tianjin Medical University, Tianjin 300203, China.
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Anti-rheumatoid arthritic effect of volatile components in notopterygium incisum in rats via anti-inflammatory and anti-angiogenic activities. Chin J Nat Med 2019; 16:926-935. [PMID: 30595217 DOI: 10.1016/s1875-5364(18)30134-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2018] [Indexed: 12/22/2022]
Abstract
Notopterygium incisum (QH) has been used for the treatment of rheumatoid arthritis (RA), and volatile oils may be its mainly bioactive constituents. The present study was designed to analyze the volatile compounds in QH and to determine the anti-arthritic capacity of Notopterygium volatile oils and the potential mechanism of action. The volatile compounds analysis was conducted by GC-MS. The anti-arthritic capacity test of the volatile oils was conducted on adjuvant-induced arthritis (AIA) rats. The anti-inflammatory property was tested in NO release model in RAW 264.7 cells. Endothelial cells were used to evaluate the anti-proliferative and anti-tube formative effects. 70 compounds were analyzed by GC-MS in the volatile oils. Notopterygium volatile oils weakened the rat AIA in a dose-dependent manner (2, 4, and 8 g crude drug/kg). The NO production by RAW 264.7 was decreased by more than 50% in Notopterygium volatile oils (5, 15, and 45 μg·mL-1) pretreated groups. Notopterygium volatile oils also inhibited EAhy926 cell proliferation and further delayed EAhy926 cell capillary tube formation in a concentration-dependent manner. The anti-NO productive, anti-proliferative, and anti-tube formative effects of Notopterygium volatile oils strongly suggested that the therapeutic effect of QH in AIA might be related to the potent anti-inflammatory and anti-angiogenic capacities of the volatile oils.
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Malemud CJ. Defective T-Cell Apoptosis and T-Regulatory Cell Dysfunction in Rheumatoid Arthritis. Cells 2018; 7:E223. [PMID: 30469466 PMCID: PMC6316166 DOI: 10.3390/cells7120223] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 11/13/2018] [Accepted: 11/20/2018] [Indexed: 12/25/2022] Open
Abstract
Rheumatoid arthritis (RA) is a chronic, progressive, systemic autoimmune disease that mostly affects small and large synovial joints. At the molecular level, RA is characterized by a profoundly defective innate and adaptive immune response that results in a chronic state of inflammation. Two of the most significant alterations in T-lymphocyte (T-cell) dysfunction in RA is the perpetual activation of T-cells that result in an abnormal proliferation state which also stimulate the proliferation of fibroblasts within the joint synovial tissue. This event results in what we have termed "apoptosis resistance", which we believe is the leading cause of aberrant cell survival in RA. Finding therapies that will induce apoptosis under these conditions is one of the current goals of drug discovery. Over the past several years, a number of T-cell subsets have been identified. One of these T-cell subsets are the T-regulatory (Treg) cells. Under normal conditions Treg cells dictate the state of immune tolerance. However, in RA, the function of Treg cells become compromised resulting in Treg cell dysfunction. It has now been shown that several of the drugs employed in the medical therapy of RA can partially restore Treg cell function, which has also been associated with amelioration of the clinical symptoms of RA.
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Affiliation(s)
- Charles J Malemud
- Department of Medicine, Division of Rheumatic Diseases, Case Western Reserve University School of Medicine, Foley Medical Building, 2061 Cornell Road, Suite 207, Cleveland, OH 44122-5076, USA.
- Department of Medicine, University Hospitals Cleveland Medical Center, Cleveland, OH 44106, USA.
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Porokhovnik LN, Lyapunova NA. Dosage effects of human ribosomal genes (rDNA) in health and disease. Chromosome Res 2018; 27:5-17. [PMID: 30343462 DOI: 10.1007/s10577-018-9587-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2018] [Revised: 09/07/2018] [Accepted: 09/24/2018] [Indexed: 02/02/2023]
Abstract
Human ribosomal RNA genes encoding a pre-transcript of the three major ribosomal RNA (18S, 5.8S, and 28S rRNA) are tandemly repeated in human genome. Their total copy number varies from 250 to 670 per diploid genome with a mean of approximately 420 copies, but only a fraction of them is transcriptionally active. The functional consequences of human ribosomal RNA gene dosage are not widely known and often assumed to be negligible. Here, we review the facts of rRNA gene dosage effects on normal growth and aging, stress resistance of healthy individuals, and survivability of patients with chromosomal abnormalities, as well as on the risk and severity of some multifactorial diseases with proven genetic predisposition. An original hypothesis that rRNA gene dosage can be a modulating factor involved in the pathogenesis of schizophrenia and rheumatoid arthritis is put forward.
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Affiliation(s)
- L N Porokhovnik
- Research Centre for Medical Genetics, 1 Moskvorechie str, Moscow, 115478, Russia.
| | - N A Lyapunova
- Research Centre for Medical Genetics, 1 Moskvorechie str, Moscow, 115478, Russia
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Yue M, Zeng N, Xia Y, Wei Z, Dai Y. Morin Exerts Anti-Arthritic Effects by Attenuating Synovial Angiogenesis via Activation of Peroxisome Proliferator Activated Receptor-γ. Mol Nutr Food Res 2018; 62:e1800202. [DOI: 10.1002/mnfr.201800202] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 07/27/2018] [Indexed: 12/20/2022]
Affiliation(s)
- Mengfan Yue
- Department of Pharmacology of Chinese Materia Medica; School of Traditional Chinese Pharmacy; China Pharmaceutical University; 24 Tong Jia Xiang Nanjing 210009 China
| | - Ni Zeng
- Department of Pharmacology of Chinese Materia Medica; School of Traditional Chinese Pharmacy; China Pharmaceutical University; 24 Tong Jia Xiang Nanjing 210009 China
| | - Yufeng Xia
- Department of Pharmacology of Chinese Materia Medica; School of Traditional Chinese Pharmacy; China Pharmaceutical University; 24 Tong Jia Xiang Nanjing 210009 China
| | - Zhifeng Wei
- Department of Pharmacology of Chinese Materia Medica; School of Traditional Chinese Pharmacy; China Pharmaceutical University; 24 Tong Jia Xiang Nanjing 210009 China
| | - Yue Dai
- Department of Pharmacology of Chinese Materia Medica; School of Traditional Chinese Pharmacy; China Pharmaceutical University; 24 Tong Jia Xiang Nanjing 210009 China
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Dudics S, Langan D, Meka RR, Venkatesha SH, Berman BM, Che CT, Moudgil KD. Natural Products for the Treatment of Autoimmune Arthritis: Their Mechanisms of Action, Targeted Delivery, and Interplay with the Host Microbiome. Int J Mol Sci 2018; 19:ijms19092508. [PMID: 30149545 PMCID: PMC6164747 DOI: 10.3390/ijms19092508] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Revised: 08/12/2018] [Accepted: 08/18/2018] [Indexed: 12/16/2022] Open
Abstract
Rheumatoid arthritis (RA) is a chronic, debilitating illness characterized by painful swelling of the joints, inflammation of the synovial lining of the joints, and damage to cartilage and bone. Several anti-inflammatory and disease-modifying drugs are available for RA therapy. However, the prolonged use of these drugs is associated with severe side effects. Furthermore, these drugs are effective only in a proportion of RA patients. Hence, there is a need to search for new therapeutic agents that are effective yet safe. Interestingly, a variety of herbs and other natural products offer a vast resource for such anti-arthritic agents. We discuss here the basic features of RA pathogenesis; the commonly used animal models of RA; the mainstream drugs used for RA; the use of well-characterized natural products possessing anti-arthritic activity; the application of nanoparticles for efficient delivery of such products; and the interplay between dietary products and the host microbiome for maintenance of health and disease induction. We believe that with several advances in the past decade in the characterization and functional studies of natural products, the stage is set for widespread clinical testing and/or use of these products for the treatment of RA and other diseases.
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Affiliation(s)
- Steven Dudics
- Baltimore Veterans Affairs Medical Center, Baltimore, MD 21201, USA.
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
| | - David Langan
- Baltimore Veterans Affairs Medical Center, Baltimore, MD 21201, USA.
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
| | - Rakeshchandra R Meka
- Baltimore Veterans Affairs Medical Center, Baltimore, MD 21201, USA.
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
| | - Shivaprasad H Venkatesha
- Baltimore Veterans Affairs Medical Center, Baltimore, MD 21201, USA.
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
| | - Brian M Berman
- Family and Community Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
- Center for Integrative Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
| | - Chun-Tao Che
- Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60612, USA.
| | - Kamal D Moudgil
- Baltimore Veterans Affairs Medical Center, Baltimore, MD 21201, USA.
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
- Division of Rheumatology, Department of Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
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75
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Berberine inhibits IL-21/IL-21R mediated inflammatory proliferation of fibroblast-like synoviocytes through the attenuation of PI3K/Akt signaling pathway and ameliorates IL-21 mediated osteoclastogenesis. Cytokine 2018; 106:54-66. [DOI: 10.1016/j.cyto.2018.03.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Revised: 02/01/2018] [Accepted: 03/08/2018] [Indexed: 01/27/2023]
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76
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Mo BY, Guo XH, Yang MR, Liu F, Bi X, Liu Y, Fang LK, Luo XQ, Wang J, Bellanti JA, Pan YF, Zheng SG. Long Non-Coding RNA GAPLINC Promotes Tumor-Like Biologic Behaviors of Fibroblast-Like Synoviocytes as MicroRNA Sponging in Rheumatoid Arthritis Patients. Front Immunol 2018; 9:702. [PMID: 29692777 PMCID: PMC5902673 DOI: 10.3389/fimmu.2018.00702] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Accepted: 03/22/2018] [Indexed: 01/15/2023] Open
Abstract
Rapidly accumulating evidence has now suggested that the long non-coding RNAs (LncRNAs), a large and diverse class of non-coding transcribed RNA molecules with diverse functional roles and mechanisms, play a major role in the pathogenesis of many human inflammatory diseases. Although some LncRNAs are overexpressed in plasma, T cell, and synovial tissues of patients with rheumatoid arthritis (RA), there is a dearth of knowledge in what role these transcripts play in fibroblast-like synoviocytes (FLSs) of these patients. Here, our studies showed that GAPLINC, a newly identified functional LncRNA in oncology, displayed a greater degree of expression in FLSs from RA than in patients with traumatic injury. GAPLINC suppression in RA-FLS cells revealed significant alterations in cell proliferation, invasion, migration, and proinflammatory cytokines production. Additionally, we performed a preliminary bioinformatics analysis of GAPLINC gene sequence in order to find its target molecules, using miRanda, PITA, RNAhybrid algorithms, Kyoto encyclopedia of genes and genomes, and gene ontology analysis. Since the results predicted that some of microRNAs and mRNA may interact with GAPLINC, we simulated a gene co-action network model based on a competitive endogenous RNA theory. Further verification of this model demonstrated that silencing of GAPLINC increased miR-382-5p and miR-575 expression. The results of this study suggest that GAPLINC may function as a novel microRNAs sponging agent affecting the biological characteristics of RA-FLSs. Additionally, GAPLINC may also promote RA-FLS tumor-like behaviors in a miR-382-5p-dependent and miR-575-dependent manner. Based upon these findings, LncRNA GAPLINC may provide a novel valuable therapeutic target for RA patients.
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Affiliation(s)
- Bi Yao Mo
- Department of Internal Medicine, Division of Rheumatology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Xing Hua Guo
- Department of Internal Medicine, Division of Rheumatology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Meng Ru Yang
- Department of Internal Medicine, Division of Rheumatology, The Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Fang Liu
- Department of Internal Medicine, Division of Rheumatology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Xuan Bi
- Department of Internal Medicine, Division of Rheumatology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yan Liu
- Center for Clinic Immunology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Lin Kai Fang
- Department of Internal Medicine, Division of Rheumatology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Xi Qing Luo
- Department of Internal Medicine, Division of Rheumatology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Julie Wang
- Department of Medicine, Division of Rheumatology, Hershey Medical Center at Penn State University, Hershey, PA, United States
| | - Joseph A Bellanti
- Department of Pediatrics and Microbiology-Immunology, Georgetown University Medical Center, Washington, DC, United States
| | - Yun Feng Pan
- Department of Internal Medicine, Division of Rheumatology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Song Guo Zheng
- Department of Medicine, Division of Rheumatology, Hershey Medical Center at Penn State University, Hershey, PA, United States
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77
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Haleagrahara N, Hodgson K, Miranda-Hernandez S, Hughes S, Kulur AB, Ketheesan N. Flavonoid quercetin-methotrexate combination inhibits inflammatory mediators and matrix metalloproteinase expression, providing protection to joints in collagen-induced arthritis. Inflammopharmacology 2018; 26:1219-1232. [PMID: 29616452 DOI: 10.1007/s10787-018-0464-2] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 03/07/2018] [Indexed: 01/08/2023]
Abstract
Rheumatoid arthritis (RA) is an autoimmune disease characterized by chronic inflammation of synovial tissues in joints, leading to progressive destruction of cartilage and joints. The disease-modifying anti-rheumatic drugs currently in use have side-effects. Thus, there is an urgent need for safe anti-inflammatory therapies for RA. This study aimed to evaluate the therapeutic effect of the flavonoid quercetin on arthritis in mice immunized with type II collagen (CII). An arthritis model was established in C57/BL6 mice by intradermal administration of chicken CII mixed with Freund's complete adjuvant. Quercetin (30 mg/kg orally) and methotrexate (0.75 mg intraperitoneally twice a week) were administered to investigate their protective effects against collagen-induced arthritis (CIA). Levels of tumour necrosis factor-alpha (TNF-α), interleukin-1 beta (IL-1β), IL-6, and the matrix metalloproteinases (MMP), 3, and 9 were detected to assess the anti-inflammatory effect of quercetin. The mRNA expression of MMP3, MMP9, CCL2, and TNF-α was also measured by quantitative real-time PCR. Quercetin significantly alleviated joint inflammation by reducing the levels of circulating cytokines and MMPs. There was a significant decrease in the expression of TNFα and MMP genes in the ankle joints of arthritic mice. A significant reduction in the levels of knee-joint inflammatory mediators were observed with combined quercetin and methotrexate treatment. Thus, quercetin has the potential to prevent joint inflammation and could be used as an adjunct therapy for RA patients who have an inadequate response to anti-rheumatic monotherapy.
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Affiliation(s)
- Nagaraja Haleagrahara
- Discipline of Biomedicine, College of Public Health, Medical and Veterinary Sciences, James Cook University, James Cook Drive, Townsville, QLD, 4811, Australia. .,Australian Institute of Tropical Health and Medicine, James Cook University, Townsville, QLD, 4811, Australia.
| | - Kelly Hodgson
- Discipline of Biomedicine, College of Public Health, Medical and Veterinary Sciences, James Cook University, James Cook Drive, Townsville, QLD, 4811, Australia
| | - Socorro Miranda-Hernandez
- Discipline of Biomedicine, College of Public Health, Medical and Veterinary Sciences, James Cook University, James Cook Drive, Townsville, QLD, 4811, Australia
| | - Samuel Hughes
- Discipline of Biomedicine, College of Public Health, Medical and Veterinary Sciences, James Cook University, James Cook Drive, Townsville, QLD, 4811, Australia
| | - Anupama Bangra Kulur
- Discipline of Biomedicine, College of Public Health, Medical and Veterinary Sciences, James Cook University, James Cook Drive, Townsville, QLD, 4811, Australia
| | - Natkunam Ketheesan
- School of Science and Technology, University of New England, Armidale, NSW, 2351, Australia
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78
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Heinlen L, Humphrey MB. Skeletal complications of rheumatoid arthritis. Osteoporos Int 2017; 28:2801-2812. [PMID: 28779302 DOI: 10.1007/s00198-017-4170-5] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Accepted: 07/20/2017] [Indexed: 12/27/2022]
Abstract
Rheumatoid arthritis (RA) is associated with local and systemic inflammation that induces many changes in the skeletal health. Locally, periarticular bone loss and juxta-articular bone erosions may occur while joint ankylosis, generalized bone loss, osteoporosis, and fractures may develop secondary to inflammation. The aim of this narrative review is to summarize the clinical evidence for abnormal skeletal health in RA, the effects of disease modifying anti-rheumatic drugs (DMARDS) on bone health, and the effects of drugs for the prevention or treatment of osteoporosis in the RA population.
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Affiliation(s)
- L Heinlen
- University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - M B Humphrey
- University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA.
- Veterans Affairs Medical Center, Oklahoma City, OK, USA.
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79
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Rheumatoid arthritis: from basic findings and clinical manifestations to future therapies. Semin Immunopathol 2017. [PMID: 28639062 DOI: 10.1007/s00281-017-0635-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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