Insights of rheumatoid arthritis risk factors and associations

Pradeepkiran, Jangampalli Adi

doi:10.1016/j.jtauto.2019.100012

Cited by 18 publications

(11 citation statements)

References 56 publications

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“…Given its rapid progression, low compliance rate, high disability rate, and many other characteristics, it can seriously affect people's normal work and life. The incidence of RA with deficiency of both qi and yin is increasing year by year (28,29). Previous studies have shown that the expression of inflammatory factors IL-18, IL-1β, and TNF-α in articular cartilage cells of patients with RA due to deficiency of both qi and yin sharply increase (30).…”

Section: Discussionmentioning

confidence: 99%

The method of Yiqi Yangyin Tongluo can attenuate the pyroptosis of rheumatoid arthritis chondrocytes through the ASIC1a/NLRP3 signaling pathway

Zhao¹,

Chen²,

Zhi-min³

et al. 2022

Ann Transl Med

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Background: Based on the ASIC1a/NLRP3 signaling pathway, we explored the specific molecular mechanism of the pyroptosis of rheumatoid arthritis (RA) chondrocytes by the method of nourishing qi, nourishing yin, and dredging collaterals to provide new ideas for the treatment of this disease.Methods: A total of 50 rats were divided into a normal group, model group, methotrexate group, Yiqi Yangyin Tongluo group, and combined group. Except for the normal control group, the other groups used Freund's complete adjuvant (FCA) to make RA rat model. The arthritis index and ankle joint swelling of rats in each group were recorded. HE staining and ELISA were used to assess the pathology of the ankle joint of each group of rats and the content of IL-1β and IL-18 in rat serum. Furthermore, immunofluorescence and qPCR methods were used to detect the protein and mRNA expression levels of NLRP3, caspase 1, ACS, and ASIC1a in the cartilage tissue of each group of rats.Results: Compared with the normal group, the right hind foot joint of the model group was significantly swollen, the levels of IL-18 and IL-1β in the serum of rats increased significantly, and the mRNA and protein levels of NLRP3, caspase 1, ACS, and ASIC1a in the chondrocytes also increased significantly. Compared with the model group, the degree of ankle joint swelling and IL-18 and IL-1β content in rat serum in each medication group was significantly reduced, and the combined group showed the greatest reduction compared with the other groups. After 8 weeks of treatment, compared with the model group, the mRNA and protein levels of NLRP3, caspase 1, ACS, and ASIC1a in the chondrocytes of each medication group were down-regulated. HE staining found that there were large numbers of infiltrating inflammatory cells and pannus in the joint tissue of the model group, while only a small amount of inflammatory cell infiltration and pannus was seen in the joint tissue of the rats in each treatment group. Conclusions:The method of Yiqi Yangyin Tongluo can attenuate the pyroptosis of RA chondrocytes through the ASIC1a/NLRP3 signaling pathway.

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Section: Discussionmentioning

confidence: 99%

The method of Yiqi Yangyin Tongluo can attenuate the pyroptosis of rheumatoid arthritis chondrocytes through the ASIC1a/NLRP3 signaling pathway

Zhao¹,

Chen²,

Zhi-min³

et al. 2022

Ann Transl Med

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“…Previous studies have reported risk factors for rheumatoid arthritis, such as sex, age, heredity, smoking, exposure to particles of asbestos and silica, and obesity [ 20 , 51 ]. In this study, we explored risk factors for rheumatoid arthritis in Tsarang residents by conducting linear multiple regression analysis using the ACR/EULAR 2010 score, which is a classification standard for rheumatoid arthritis, as the objective variable.…”

Section: Discussionmentioning

confidence: 99%

High prevalence of rheumatoid arthritis and its risk factors among Tibetan highlanders living in Tsarang, Mustang district of Nepal

Arima

Koirala

Nema

et al. 2022

J Physiol Anthropol

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Background In Tsarang (at 3560 m), which is located in Mustang, 62.7% of the residents answered that they had a subjective medical history of arthritis, and 41.1% of the residents answered that their families had a subjective medical history of arthritis on a survey conducted in 2017. The expression of hypoxia-inducible factor (HIF) and its effects are deeply involved in hypoxic adaptation in Tibetan highlanders. At the same time, HIF is also related to the onset of rheumatoid arthritis. Therefore, the adaptive mechanism acquired by Tibetan highlanders may promote the development of rheumatoid arthritis. The prevalence of rheumatoid arthritis is estimated to be approximately 0.5–1.0% worldwide. The objective of this study was to estimate the prevalence of rheumatoid arthritis in Tsarang residents using existing diagnostic criteria and to explore its risk factors. Methods An epidemiological survey was conducted in Tsarang in 2019. Data obtained from anthropometry and questionnaires were statistically analyzed. Biochemical measurements using blood samples were also performed, and the results were used to assess arthritis status. Residents’ joint status was scored, and arthritis was assessed based on the clinical disease activity index and ACR/EULAR 2010 criteria. Results Twenty-seven males and 50 females participated in this survey. In Tsarang, ACR/EULAR 2010 classified 4.3% of males and 7.1% of females as having rheumatoid arthritis, indicating a very high estimated prevalence. We also performed a multivariate analysis to explore its risk factors, and two factors, older age (standardized parameter estimate = 4.84E−01, 95% CI = [9.19E−02, 8.76E−01], p = 0.0170) and a history of living in urban areas (standardized parameter estimate = − 5.49E−01, 95% CI = [− 9.21E−01, 1.77E−01], p = 0.0050), significantly contributed to the higher ACR/EULAR 2010 score in females. In addition, three factors, having no spouse (standardized parameter estimate = 3.17E−01, 95% CI = [5.74E−02, 5.77E−01], p = 0.0179), having a smoking habit (standardized parameter estimate = 2.88E−01, 95% CI = [1.71E−02, 5.59E−01], p = 0.0377), and a history of living in urban areas (standardized parameter estimate = − 3.69E−01, 95% CI = [− 6.83E−01, − 5.60E−02], p = 0.0219), resulted in significantly higher clinical disease activity index scores in females. Furthermore, smoking habits were found to significantly increase blood hyaluronic acid in both males (standardized parameter estimate = 6.03E−01, 95% CI = [3.06E−01, 9.01E−01], p = 0.0020) and females (standardized parameter estimate = 4.87E−01, 95% CI = [5.63E−02, 9.18E−01], p = 0.0291). Conclusions In this study, we evaluated the symptoms of arthritis and estimated the prevalence of rheumatoid arthritis using classification criteria for Tibetan highlanders who have adapted to the hypoxic environment and fostered their own culture. The high prevalence of rheumatoid arthritis among Tsarang residents suggests that the hypoxic adaptation mechanism involving HIF in Tibetan highlanders may promote the onset or exacerbation of rheumatoid arthritis. The high prevalence of rheumatoid arthritis among Tibetan highlanders may be related not only to the environmental factors analyzed in this study but also to hypoxic adaptation genes. Further investigation is needed to clarify the genetic factors involved.

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“…RA is a typical chronic systemic autoimmune disease dominated by inflammatory synovitis. Genetics, smoking, air pollution, and gender are all considered risk factors for RA ( 78 , 79 ). Its pathogenesis is complex, and pro-inflammatory factors such as interleukin (IL)-1, IL-17, IL-22, tumor necrosis factor alpha (TNF-α), IL-6, and matrix metalloproteinase (MMP) have been confirmed to be related to the development of RA ( 80 – 84 ).…”

Section: Lncrna and Ramentioning

confidence: 99%

LncRNA Expression Profiles in Systemic Lupus Erythematosus and Rheumatoid Arthritis: Emerging Biomarkers and Therapeutic Targets

Chen

et al. 2021

Front. Immunol.

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Systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA) are two common multisystem autoimmune diseases that share, among others, many clinical manifestations and serological features. The role of long non-coding RNAs (lncRNAs) has been of particular interest in the pathogenesis of autoimmune diseases. Here, we aimed to summarize the roles of lncRNAs as emerging novel biomarkers and therapeutic targets in SLE and RA. We conducted a narrative review summarizing original articles on lncRNAs associated with SLE and RA, published until November 1, 2021. Based on the studies on lncRNA expression profiles in samples (including PBMCs, serum, and exosomes), it was noted that most of the current research is focused on investigating the regulatory mechanisms of these lncRNAs in SLE and/or RA. Several lncRNAs have been hypothesized to play key roles in these diseases. In SLE, lncRNAs such as GAS5, NEAT1, TUG1, linc0949, and linc0597 are dysregulated and may serve as emerging novel biomarkers and therapeutic targets. In RA, many validated lncRNAs, such as HOTAIR, GAS5, and HIX003209, have been identified as promising novel biomarkers for both diagnosis and treatment. The shared lncRNAs, for example, GAS5, may participate in SLE pathogenesis through the mitogen-activated protein kinase pathway and trigger the AMP-activated protein kinase pathway in RA. Here, we summarize the data on key lncRNAs that may drive the pathogenesis of SLE and RA and could potentially serve as emerging novel biomarkers and therapeutic targets in the coming future.

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Insights of rheumatoid arthritis risk factors and associations

Cited by 18 publications

References 56 publications

The method of Yiqi Yangyin Tongluo can attenuate the pyroptosis of rheumatoid arthritis chondrocytes through the ASIC1a/NLRP3 signaling pathway

The method of Yiqi Yangyin Tongluo can attenuate the pyroptosis of rheumatoid arthritis chondrocytes through the ASIC1a/NLRP3 signaling pathway

High prevalence of rheumatoid arthritis and its risk factors among Tibetan highlanders living in Tsarang, Mustang district of Nepal

LncRNA Expression Profiles in Systemic Lupus Erythematosus and Rheumatoid Arthritis: Emerging Biomarkers and Therapeutic Targets

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