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Yeung CYC, Svensson RB, Yurchenko K, Malmgaard-Clausen NM, Tryggedsson I, Lendal M, Jokipii-Utzon A, Olesen JL, Lu Y, Kadler KE, Schjerling P, Kjaer M. Disruption of day-to-night changes in circadian gene expression with chronic tendinopathy. J Physiol 2023. [PMID: 36810732 DOI: 10.1113/jp284083] [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: 11/08/2022] [Accepted: 02/08/2023] [Indexed: 02/24/2023] Open
Abstract
Overuse injury in tendon tissue (tendinopathy) is a frequent and costly musculoskeletal disorder and represents a major clinical problem with unsolved pathogenesis. Studies in mice have demonstrated that circadian clock-controlled genes are vital for protein homeostasis and important in the development of tendinopathy. We performed RNA sequencing, collagen content and ultrastructural analyses on human tendon biopsies obtained 12 h apart in healthy individuals to establish whether human tendon is a peripheral clock tissue and we performed RNA sequencing on patients with chronic tendinopathy to examine the expression of circadian clock genes in tendinopathic tissues. We found time-dependent expression of 280 RNAs including 11 conserved circadian clock genes in healthy tendons and markedly fewer (23) differential RNAs with chronic tendinopathy. Further, the expression of COL1A1 and COL1A2 was reduced at night but was not circadian rhythmic in synchronised human tenocyte cultures. In conclusion, day-to-night changes in gene expression in healthy human patellar tendons indicate a conserved circadian clock as well as the existence of a night reduction in collagen I expression. KEY POINTS: Tendinopathy is a major clinical problem with unsolved pathogenesis. Previous work in mice has shown that a robust circadian rhythm is required for collagen homeostasis in tendons. The use of circadian medicine in the diagnosis and treatment of tendinopathy has been stifled by the lack of studies on human tissue. Here, we establish that the expression of circadian clock genes in human tendons is time dependent, and now we have data to corroborate that circadian output is reduced in diseased tendon tissues. We consider our findings to be of significance in advancing the use of the tendon circadian clock as a therapeutic target or preclinical biomarker for tendinopathy.
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Affiliation(s)
- Ching-Yan Chloé Yeung
- Institute of Sports Medicine Copenhagen, Department of Orthopedic Surgery, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Copenhagen, Denmark.,Center for Healthy Aging, Department of Clinical Medicine, University of Copenhagen, Denmark
| | - René B Svensson
- Institute of Sports Medicine Copenhagen, Department of Orthopedic Surgery, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Copenhagen, Denmark.,Center for Healthy Aging, Department of Clinical Medicine, University of Copenhagen, Denmark
| | - Kateryna Yurchenko
- Institute of Sports Medicine Copenhagen, Department of Orthopedic Surgery, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Copenhagen, Denmark.,Center for Healthy Aging, Department of Clinical Medicine, University of Copenhagen, Denmark
| | - Nikolaj M Malmgaard-Clausen
- Institute of Sports Medicine Copenhagen, Department of Orthopedic Surgery, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Copenhagen, Denmark.,Center for Healthy Aging, Department of Clinical Medicine, University of Copenhagen, Denmark
| | - Ida Tryggedsson
- Institute of Sports Medicine Copenhagen, Department of Orthopedic Surgery, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Copenhagen, Denmark.,Center for Healthy Aging, Department of Clinical Medicine, University of Copenhagen, Denmark
| | - Marius Lendal
- Institute of Sports Medicine Copenhagen, Department of Orthopedic Surgery, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Copenhagen, Denmark.,Center for Healthy Aging, Department of Clinical Medicine, University of Copenhagen, Denmark
| | - Anja Jokipii-Utzon
- Institute of Sports Medicine Copenhagen, Department of Orthopedic Surgery, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Copenhagen, Denmark.,Center for Healthy Aging, Department of Clinical Medicine, University of Copenhagen, Denmark
| | - Jens L Olesen
- Institute of Sports Medicine Copenhagen, Department of Orthopedic Surgery, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Copenhagen, Denmark.,Center for Healthy Aging, Department of Clinical Medicine, University of Copenhagen, Denmark
| | - Yinhui Lu
- Wellcome Centre for Cell-Matrix Research, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - Karl E Kadler
- Wellcome Centre for Cell-Matrix Research, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - Peter Schjerling
- Institute of Sports Medicine Copenhagen, Department of Orthopedic Surgery, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Copenhagen, Denmark.,Center for Healthy Aging, Department of Clinical Medicine, University of Copenhagen, Denmark
| | - Michael Kjaer
- Institute of Sports Medicine Copenhagen, Department of Orthopedic Surgery, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Copenhagen, Denmark.,Center for Healthy Aging, Department of Clinical Medicine, University of Copenhagen, Denmark
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Signaling pathways in rheumatoid arthritis: implications for targeted therapy. Signal Transduct Target Ther 2023; 8:68. [PMID: 36797236 PMCID: PMC9935929 DOI: 10.1038/s41392-023-01331-9] [Citation(s) in RCA: 81] [Impact Index Per Article: 81.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 12/16/2022] [Accepted: 01/18/2023] [Indexed: 02/18/2023] Open
Abstract
Rheumatoid arthritis (RA) is an incurable systemic autoimmune disease. Disease progression leads to joint deformity and associated loss of function, which significantly impacts the quality of life for sufferers and adds to losses in the labor force. In the past few decades, RA has attracted increased attention from researchers, the abnormal signaling pathways in RA are a very important research field in the diagnosis and treatment of RA, which provides important evidence for understanding this complex disease and developing novel RA-linked intervention targets. The current review intends to provide a comprehensive overview of RA, including a general introduction to the disease, historical events, epidemiology, risk factors, and pathological process, highlight the primary research progress of the disease and various signaling pathways and molecular mechanisms, including genetic factors, epigenetic factors, summarize the most recent developments in identifying novel signaling pathways in RA and new inhibitors for treating RA. therapeutic interventions including approved drugs, clinical drugs, pre-clinical drugs, and cutting-edge therapeutic technologies. These developments will hopefully drive progress in new strategically targeted therapies and hope to provide novel ideas for RA treatment options in the future.
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Yu M, Yang S, Chen B, Gan L, He X, Wang A, Wu X. Effect of chrono-moxibustion and its influence on circadian rhythm for rheumatoid arthritis: A study protocol for a randomized controlled trial. Medicine (Baltimore) 2022; 101:e30701. [PMID: 36197183 PMCID: PMC9509051 DOI: 10.1097/md.0000000000030701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND Rheumatoid arthritis (RA) is a chronic disease which is characterized by a circadian variation of key clinical symptoms and findings, with prominent joint swelling, stiffness and pain occurring in the early morning and light clinical symptoms during the day. Chrono-moxibustion is carried out at different time, which could result in dissimilar therapeutic effects. However, its efficacy has seldom been systematically demonstrated and few studies have reported that Chrono-moxibustion may regulate the circadian rhythm of RA. We therefore designed a randomized trial to explore the effective difference of Chrono-moxibustion in RA treatment, as well as to study its influence on circadian rhythm of RA patients. METHODS This study is a randomized controlled trial involving 120 participants, and a total of 90 eligible RA patients will be randomly allocated to three groups in a 1:1:1 ratio as moxibustion at 7 to 9 am, moxibustion at 5 to 7 pm, and waiting list group, meanwhile, 30 healthy people will be divided into the control group. Patients in moxibustion groups will be treated for 30 minutes per session, 3 times a week, lasting 6 weeks. All of RA patients will be evaluated with questionnaires and laboratory tests before treatment, as well as 3 weeks, 6 weeks, and 3 months after treatment. One way analysis of variance (ANOVA) with multiple comparisons will be applied to identify differences more than two groups. Halberg cosiner software will be used to analysis the circadian rhythm. RESULTS The results of this study will be published in a peer-reviewed journal. CONCLUSION This study will provide evidence-based evidence for the effective difference of Chrono-moxibustion in RA treatment and its influence on circadian rhythm of RA patients.
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Affiliation(s)
- Mingfang Yu
- The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Luzhou Hospital of Traditional Chinese Medicine, Luzhou, Sichuan, China
| | - Shenqiao Yang
- Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Bailu Chen
- The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Lu Gan
- The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Xinling He
- The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Aiyang Wang
- The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Xiao Wu
- The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, Sichuan, China
- *Correspondence: Xiao Wu, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, Sichuan 646000, China (e-mail: )
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Abstract
ABSTRACT Systemic lupus erythematosus (SLE) is a chronic autoimmune disease that may affect every organ. The multiple pathogenic mechanisms and heterogeneous phenotypes of SLE present unique challenges in the management of this complex disease. This article discusses new SLE therapies from the last 10 years. We will address new information in the realms of lifestyle interventions, antimalarials, nonsteroidal anti-inflammatory drugs, glucocorticoids, immunosuppressive disease modifying antirheumatic drugs, biological therapies, and other modalities as they pertain to SLE.
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Chronobiology and Chronotherapy in Inflammatory Joint Diseases. Pharmaceutics 2021; 13:pharmaceutics13111832. [PMID: 34834246 PMCID: PMC8621834 DOI: 10.3390/pharmaceutics13111832] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 10/21/2021] [Accepted: 10/27/2021] [Indexed: 01/25/2023] Open
Abstract
Circadian rhythm perturbations can impact the evolution of different conditions, including autoimmune diseases. This narrative review summarizes the current understanding of circadian biology in inflammatory joint diseases and discusses the potential application of chronotherapy. Proinflammatory cytokines are key players in the development and progression of rheumatoid arthritis (RA), regulating cell survival/apoptosis, differentiation, and proliferation. The production and secretion of inflammatory cytokines show a dependence on the human day–night cycle, resulting in changing cytokine plasma levels over 24 h. Moreover, beyond the circadian rhythm of cytokine secretion, disturbances in timekeeping mechanisms have been proposed in RA. Taking into consideration chronotherapy concepts, modified-release (MR) prednisone tablets have been introduced to counteract the negative effects of night-time peaks of proinflammatory cytokines. Low-dose MR prednisone seems to be able to improve the course of RA, reduce morning stiffness and morning serum levels of IL-6, and induce significant clinical benefits. Additionally, methotrexate (MTX) chronotherapy has been reported to be associated with a significant improvement in RA activity score. Similar effects have been described for polymyalgia rheumatica and gout, although the available literature is still limited. Growing knowledge of chronobiology applied to inflammatory joint diseases could stimulate the development of new drug strategies to treat patients in accordance with biological rhythms and minimize side effects.
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Balachandran DD, Miller MA, Faiz SA, Yennurajalingam S, Innominato PF. Evaluation and Management of Sleep and Circadian Rhythm Disturbance in Cancer. Curr Treat Options Oncol 2021; 22:81. [PMID: 34213651 DOI: 10.1007/s11864-021-00872-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/20/2021] [Indexed: 12/16/2022]
Abstract
OPINION STATEMENT Sleep and circadian rhythm disturbance are among the most commonly experienced symptoms in patients with cancer. These disturbances occur throughout the spectrum of cancer care from diagnosis, treatment, and long into survivorship. The pathogenesis of these symptoms and disturbances is based on common inflammatory pathways related to cancer and its' treatments. The evaluation of sleep and circadian disorders requires an understanding of how these symptoms cluster with other cancer-related symptoms and potentiate each other. A thorough evaluation of these symptoms and disorders utilizing validated diagnostic tools, directed review of clinical information, and diagnostic testing is recommended. Treatment of sleep and circadian disturbance in cancer patients should be based on the findings of a detailed evaluation, including specific treatment of primary sleep and circadian disorders, and utilize integrative and personalised management of cancer-related symptoms through multiple pharmacologic and non-pharmacologic modalities. Recognition, evaluation, and treatment of sleep and circadian rhythm disturbance in cancer may lead to improved symptom management, quality of life, and outcomes.
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Affiliation(s)
- Diwakar D Balachandran
- Department of Pulmonary Medicine, Division of Internal Medicine, The University of Texas MD Anderson Cancer Center, 1400 Pressler Street. Unit 1462, Houston, TX, 77030-4009, USA.
| | - Michelle A Miller
- Division of Health Sciences (Mental Health & Wellbeing), University of Warwick, Warwick Medical School, Gibbet Hill, Coventry, UK
| | - Saadia A Faiz
- Department of Pulmonary Medicine, Division of Internal Medicine, The University of Texas MD Anderson Cancer Center, 1400 Pressler Street. Unit 1462, Houston, TX, 77030-4009, USA
| | - Sriram Yennurajalingam
- Department of Palliative, Rehabilitation, and Integrative Medicine, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Pasquale F Innominato
- North Wales Cancer Treatment Centre, Ysbyty Gwynedd, Betsi Cadwaladr University Health Board, Bangor, UK
- Cancer Chronotherapy Team, Warwick Medical School, Coventry, UK
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Hua C, Buttgereit F, Combe B. Glucocorticoids in rheumatoid arthritis: current status and future studies. RMD Open 2021; 6:rmdopen-2017-000536. [PMID: 31958273 PMCID: PMC7046968 DOI: 10.1136/rmdopen-2017-000536] [Citation(s) in RCA: 72] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 11/05/2019] [Accepted: 11/13/2019] [Indexed: 12/22/2022] Open
Abstract
Since their first use for treating rheumatoid arthritis (RA) in the late 1940s, glucocorticoids (GCs) have been representing a substantial part of the therapeutic arsenal for RA. However, even if GCs are still widely prescribed drugs, their toxicity is discussed controversially, so obtaining consensus on their use in RA is difficult. Hence, the most recent European League Against Rheumatism and American College of Rheumatology recommendations on early arthritis and RA management advocate the use of GCs as adjunct treatment to conventional synthetic disease-modifying antirheumatic drugs, at the lowest dose possible and for the shortest time possible. However, the recommendations remain relatively vague on dose regimens and routes of administration. Here, we describe literature data on which the current recommendations are based as well as data from recent trials published since the drafting of the guidelines. Moreover, we make proposals for daily practice and provide suggestions for studies that could help clarifying the place of GCs in RA management. Indeed, numerous items, including the benefit/risk ratio of low-dose and very low-dose GCs and optimal duration of GCs as bridging therapy, remain on the research agenda, and future studies are needed to guide the next recommendations for RA.
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Affiliation(s)
- Charlotte Hua
- Rheumatology Department, Nîmes Hospital, EA2415, Montpellier University, Nîmes, France
| | - Frank Buttgereit
- Department of Rheumatology and Clinical Immunology, Charité University Medicine Berlin (CCM), Berlin, Germany
| | - Bernard Combe
- Rheumatology Department, Montpellier hospital, UMR 5535, Montpellier University, Montpellier, France
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Extra-adrenal glucocorticoid synthesis at epithelial barriers. Genes Immun 2019; 20:627-640. [PMID: 30692606 DOI: 10.1038/s41435-019-0058-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 01/02/2019] [Indexed: 01/08/2023]
Abstract
Epithelial barriers play an important role in the exchange of nutrients, gases, and other signals between our body and the outside world. However, they protect it also from invasion by potential pathogens. Defective epithelial barriers and associated overshooting immune responses are the basis of many different inflammatory disorders of the skin, the lung, and the intestinal mucosa. The anti-inflammatory activity of glucocorticoids has been efficiently used for the treatment of these diseases. Interestingly, epithelia in these tissues are also a rich source of endogenous glucocorticoids, suggesting that local glucocorticoid synthesis is part of a tissue-specific regulatory circuit. In this review, we summarize current knowledge about the extra-adrenal glucocorticoid synthesis at the epithelial barriers of the intestine, lung and the skin, and discuss their relevance in the pathogenesis of inflammatory diseases and as therapeutic targets.
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Jayashree S, Nirekshana K, Guha G, Bhakta-Guha D. Cancer chemotherapeutics in rheumatoid arthritis: A convoluted connection. Biomed Pharmacother 2018; 102:894-911. [PMID: 29710545 DOI: 10.1016/j.biopha.2018.03.123] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Revised: 03/20/2018] [Accepted: 03/20/2018] [Indexed: 12/11/2022] Open
Abstract
Chemotherapy is one of the most popular therapeutic strategies to treat cancer. However, cancer chemotherapeutics have often been associated with impairment of the immune system, which might consequently lead to an augmented risk of autoimmune disorders, such as rheumatoid arthritis. Though the accurate mechanistic facets of rheumatoid arthritis induction have not been interpreted yet, a conglomeration of genetic and environmental factors might promote its etiology. What makes the scenario more challenging is that patients with rheumatoid arthritis are at a significantly elevated risk of developing various types of cancer. It is intriguing to note that diverse cancer chemotherapy drugs are also commonly used to treat symptoms of rheumatoid arthritis. However, a colossal multitude of such cancer therapeutics has demonstrated highly varied results in rheumatoid arthritis patients, including both beneficial and adverse effects. Herein, we attempt to present a holistic account of the variegated modalities of this complex tripartite cross-talk between cancer, rheumatoid arthritis and chemotherapy drugs in order to decode the sinuous correlation between these two appalling pathological conditions.
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Affiliation(s)
- S Jayashree
- Cellular Dyshomeostasis Laboratory (CDHL), Department of Biotechnology, School of Chemical and Bio Technology, SASTRA University, Thanjavur, 613 401, Tamil Nadu, India
| | - K Nirekshana
- Cellular Dyshomeostasis Laboratory (CDHL), Department of Biotechnology, School of Chemical and Bio Technology, SASTRA University, Thanjavur, 613 401, Tamil Nadu, India
| | - Gunjan Guha
- Cellular Dyshomeostasis Laboratory (CDHL), Department of Biotechnology, School of Chemical and Bio Technology, SASTRA University, Thanjavur, 613 401, Tamil Nadu, India.
| | - Dipita Bhakta-Guha
- Cellular Dyshomeostasis Laboratory (CDHL), Department of Biotechnology, School of Chemical and Bio Technology, SASTRA University, Thanjavur, 613 401, Tamil Nadu, India.
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Ruscitti P, Ursini F, Cipriani P, Ciccia F, Liakouli V, Carubbi F, Guggino G, Berardicurti O, Grembiale R, Triolo G, De Sarro G, Giacomelli R. Prevalence of type 2 diabetes and impaired fasting glucose in patients affected by rheumatoid arthritis: Results from a cross-sectional study. Medicine (Baltimore) 2017; 96:e7896. [PMID: 28834907 PMCID: PMC5572029 DOI: 10.1097/md.0000000000007896] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2017] [Revised: 07/15/2017] [Accepted: 07/18/2017] [Indexed: 02/04/2023] Open
Abstract
Although the better management of rheumatoid arthritis (RA) has significantly improved the long-term outcome of affected patients, a significant proportion of these may develop associated comorbidities including cardiometabolic complications. However, it must be pointed out that a comprehensive cardiometabolic evaluation is still poorly integrated into the management of RA patients, due to a limited awareness of the problem, a lack of appropriate clinical studies, and optimal strategies for cardiovascular (CV) risk reduction in RA. In addition, although several studies investigated the possible association between traditional CV risk factors and RA, conflicting results are still available.On this basis, we planned this cross-sectional study, aimed at investigating the prevalence of type 2 diabetes (T2D) and impaired fasting glucose (IFG) in RA patients compared with age- and gender- matched control individuals. Furthermore, we analyzed the role of both traditional and RA-related CV risk factors in predicting T2D and IFG.We observed an increased prevalence of T2D in RA patients when compared with age- and gender-matched controls. Regression analyses demonstrated that the presence of high blood pressure (HBP), a longer disease duration, and exposure to corticosteroids (CCS) were significantly associated with an increased likelihood of being classified as T2D. In addition, we observed an increased prevalence of IFG in RA patients when compared with age- and gender-matched controls. Regression analyses demonstrated that a higher body mass index (BMI), the presence of metabolic syndrome (MetS), higher levels of total cholesterol, the presence of radiographic damage, and higher serum levels of C-reactive protein (CRP) were significantly associated with an increased likelihood of presenting IFG.In this cross-sectional study, we observed an increased prevalence of T2D and IFG in an Italian cohort of RA patients when compared with age- and gender-matched control individuals. Interestingly, both RA-specific features, such as disease duration, CCS exposure, and radiographic damage, and traditional CV risk factors, such as HBP and MetS, were significantly associated with glucose metabolism abnormalities.
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Affiliation(s)
- Piero Ruscitti
- Division of Rheumatology, Department of Biotechnological and Applied Clinical Science, University of L’Aquila, L’Aquila
| | - Francesco Ursini
- Department of Health Sciences, University of Catanzaro “Magna Graecia”, Catanzaro
| | - Paola Cipriani
- Division of Rheumatology, Department of Biotechnological and Applied Clinical Science, University of L’Aquila, L’Aquila
| | - Francesco Ciccia
- Division of Rheumatology, Department of Internal Medicine, University of Palermo, Palermo, Italy
| | - Vasiliki Liakouli
- Division of Rheumatology, Department of Biotechnological and Applied Clinical Science, University of L’Aquila, L’Aquila
| | - Francesco Carubbi
- Division of Rheumatology, Department of Biotechnological and Applied Clinical Science, University of L’Aquila, L’Aquila
| | - Giuliana Guggino
- Division of Rheumatology, Department of Internal Medicine, University of Palermo, Palermo, Italy
| | - Onorina Berardicurti
- Division of Rheumatology, Department of Biotechnological and Applied Clinical Science, University of L’Aquila, L’Aquila
| | | | - Giovanni Triolo
- Division of Rheumatology, Department of Internal Medicine, University of Palermo, Palermo, Italy
| | | | - Roberto Giacomelli
- Division of Rheumatology, Department of Biotechnological and Applied Clinical Science, University of L’Aquila, L’Aquila
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