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Inamo J, Keegan J, Griffith A, Ghosh T, Horisberger A, Howard K, Pulford J, Murzin E, Hancock B, Jonsson AH, Seifert J, Feser ML, Norris JM, Cao Y, Apruzzese W, Louis Bridges S, Bykerk V, Goodman S, Donlin L, Firestein GS, Perlman H, Bathon JM, Hughes LB, Tabechian D, Filer A, Pitzalis C, Anolik JH, Moreland L, Guthridge JM, James JA, Brenner MB, Raychaudhuri S, Sparks JA, Michael Holers V, Deane KD, Lederer JA, Rao DA, Zhang F. Deep immunophenotyping reveals circulating activated lymphocytes in individuals at risk for rheumatoid arthritis. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.07.03.547507. [PMID: 37461737 PMCID: PMC10349983 DOI: 10.1101/2023.07.03.547507] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/25/2023]
Abstract
Rheumatoid arthritis (RA) is a systemic autoimmune disease with currently no universally highly effective prevention strategies. Identifying pathogenic immune phenotypes in 'At-Risk' populations prior to clinical disease onset is crucial to establishing effective prevention strategies. Here, we applied mass cytometry to deeply characterize the immunophenotypes in blood from At-Risk individuals identified through the presence of serum antibodies to citrullinated protein antigens (ACPA) and/or first-degree relative (FDR) status (n=52), as compared to established RA (n=67), and healthy controls (n=48). We identified significant cell expansions in At-Risk individuals compared with controls, including CCR2+CD4+ T cells, T peripheral helper (Tph) cells, type 1 T helper cells, and CXCR5+CD8+ T cells. We also found that CD15+ classical monocytes were specifically expanded in ACPA-negative FDRs, and an activated PAX5 low naïve B cell population was expanded in ACPA-positive FDRs. Further, we developed an "RA immunophenotype score" classification method based on the degree of enrichment of cell states relevant to established RA patients. This score significantly distinguished At-Risk individuals from controls. In all, we systematically identified activated lymphocyte phenotypes in At-Risk individuals, along with immunophenotypic differences among both ACPA+ and ACPA-FDR At-Risk subpopulations. Our classification model provides a promising approach for understanding RA pathogenesis with the goal to further improve prevention strategies and identify novel therapeutic targets.
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McDermott G, Gill R, Gagne S, Byrne S, Huang W, Wang X, Prisco LC, Zaccardelli A, Martin LW, Masto L, Kronzer VL, Shadick N, Dellaripa PF, Doyle TJ, Sparks JA. Demographic, Lifestyle, and Serologic Risk Factors for Rheumatoid Arthritis (RA)-associated Bronchiectasis: Role of RA-related Autoantibodies. J Rheumatol 2022; 49:672-679. [PMID: 35293341 PMCID: PMC9250607 DOI: 10.3899/jrheum.211242] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/08/2022] [Indexed: 11/22/2022]
Abstract
OBJECTIVE To investigate demographic, lifestyle, and serologic risk factors for isolated rheumatoid arthritis (RA)-associated bronchiectasis (RA-BR) that is not a result of interstitial lung disease (ILD). METHODS We performed a case-control study using patients with RA from the Mass General Brigham Biobank. We reviewed the records of all patients with RA meeting the 2010 American College of Rheumatology/European Alliance of Associations for Rheumatology criteria with computed tomography (CT) chest imaging to identify RA-BR cases and controls with RA and RA-related lung disease. For each patient, the CT chest imaging that was performed closest to enrollment was independently reviewed by 2 radiologists for the presence of RA-related lung diseases. Cases had clinical and radiologic evidence of RA-BR without interstitial lung abnormalities on imaging. Controls had RA and no evidence of bronchiectasis or ILD. We examined the associations between demographic, lifestyle, and serologic factors with RA-BR using multivariable logistic regression. RESULTS We identified 57 cases of isolated RA-BR and 360 RA controls without RA-related lung disease. In multivariable models, RA-BR was associated with older age at RA onset (OR 1.37 per 10 years, 95% CI 1.02-1.82), lower BMI at RA diagnosis (OR 0.94 per kg/m2, 95% CI 0.89-0.99), seropositive RA (OR 3.96, 95% CI 1.84-8.53), positive rheumatoid factor (OR 4.40, 95% CI 2.14-9.07), and positive anticyclic citrullinated peptide (OR 3.47, 95% CI 1.65-7.31). Higher titers of RA-related autoantibodies were associated with higher odds of RA-BR. CONCLUSION Seropositivity, older age at RA diagnosis, and lower BMI at RA onset were associated with isolated bronchiectasis in RA that was not a result of ILD. These findings expand the list of potential risk factors for RA-BR and suggest a pathogenic link between airway inflammation and RA-related autoantibodies.
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Affiliation(s)
- Gregory McDermott
- G. McDermott, MD, N. Shadick, MD, MPH, P.F. Dellaripa, MD, J.A. Sparks, MD, MMSc, Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, and Harvard Medical School, Boston, Massachusetts
| | - Ritu Gill
- R. Gill, MD, Department of Radiology, Beth Israel Deaconess Medical Center, and Harvard Medical School, Boston, Massachusetts
| | - Staci Gagne
- S. Gagne, MD, S. Byrne, MD, Department of Radiology, Brigham and Women's Hospital, and Harvard Medical School, Boston, Massachusetts
| | - Suzanne Byrne
- S. Gagne, MD, S. Byrne, MD, Department of Radiology, Brigham and Women's Hospital, and Harvard Medical School, Boston, Massachusetts
| | - Weixing Huang
- W. Huang, MSPH, X. Wang, MS, L.C. Prisco, BA, A. Zaccardelli, MS, L.W. Martin, BS, L. Masto, Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, Boston, Massachusetts
| | - Xiaosong Wang
- W. Huang, MSPH, X. Wang, MS, L.C. Prisco, BA, A. Zaccardelli, MS, L.W. Martin, BS, L. Masto, Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, Boston, Massachusetts
| | - Lauren C Prisco
- W. Huang, MSPH, X. Wang, MS, L.C. Prisco, BA, A. Zaccardelli, MS, L.W. Martin, BS, L. Masto, Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, Boston, Massachusetts
| | - Alessandra Zaccardelli
- W. Huang, MSPH, X. Wang, MS, L.C. Prisco, BA, A. Zaccardelli, MS, L.W. Martin, BS, L. Masto, Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, Boston, Massachusetts
| | - Lily W Martin
- W. Huang, MSPH, X. Wang, MS, L.C. Prisco, BA, A. Zaccardelli, MS, L.W. Martin, BS, L. Masto, Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, Boston, Massachusetts
| | - Lucy Masto
- W. Huang, MSPH, X. Wang, MS, L.C. Prisco, BA, A. Zaccardelli, MS, L.W. Martin, BS, L. Masto, Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, Boston, Massachusetts
| | - Vanessa L Kronzer
- V.L. Kronzer, MD, MSCI, Division of Rheumatology, Mayo Clinic, Rochester, Minnesota
| | - Nancy Shadick
- G. McDermott, MD, N. Shadick, MD, MPH, P.F. Dellaripa, MD, J.A. Sparks, MD, MMSc, Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, and Harvard Medical School, Boston, Massachusetts
| | - Paul F Dellaripa
- G. McDermott, MD, N. Shadick, MD, MPH, P.F. Dellaripa, MD, J.A. Sparks, MD, MMSc, Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, and Harvard Medical School, Boston, Massachusetts
| | - Tracy J Doyle
- T.J. Doyle, MD, MPH, Division of Pulmonary and Critical Care Medicine, Brigham and Women's Hospital, and Harvard Medical School, Boston, Massachusetts, USA
| | - Jeffrey A Sparks
- G. McDermott, MD, N. Shadick, MD, MPH, P.F. Dellaripa, MD, J.A. Sparks, MD, MMSc, Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, and Harvard Medical School, Boston, Massachusetts;
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Kowalski EN, Qian G, Vanni KMM, Sparks JA. A Roadmap for Investigating Preclinical Autoimmunity Using Patient-Oriented and Epidemiologic Study Designs: Example of Rheumatoid Arthritis. Front Immunol 2022; 13:890996. [PMID: 35693829 PMCID: PMC9175569 DOI: 10.3389/fimmu.2022.890996] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 04/26/2022] [Indexed: 11/26/2022] Open
Abstract
Background & Aims Rheumatoid arthritis (RA) is a prototypic autoimmune disease causing inflammatory polyarthritis that affects nearly 1% of the population. RA can lead to joint destruction and disability along with increased morbidity and mortality. Similar to other autoimmune diseases, RA has distinct preclinical phases corresponding to genetic risk, lifestyle risk factors, autoantibody development, and non-specific symptoms prior to clinical diagnosis. This narrative review will detail observational studies for RA risk and clinical trials for RA prevention as a roadmap to investigating preclinical autoimmunity that could be applied to other diseases. Methods In this narrative review, we summarized previous and ongoing research studies investigating RA risk and prevention, categorizing them related to their design and preclinical phases. Results We detailed the following types of studies investigating RA risk and prevention: retrospective population-based and administrative datasets; prospective studies (case-control and cohort; some enrolling based on genetics, first-degree relative status, elevated biomarkers, or early symptoms/arthritis); and randomized clinical trials. These correspond to all preclinical RA phases (genetic, lifestyle, autoimmunity, early signs/symptoms). Previous and ongoing randomized controlled trials have enrolled individuals at very elevated risk for RA based on biomarkers, symptoms, imaging abnormalities, or early signs/symptoms. Conclusion We detailed the rich variety of study designs that is necessary to investigate distinct preclinical phases of an autoimmune disease such as RA. However, further progress is needed to fully elucidate the pathogenesis of RA that may ultimately lead to prevention or delay of disease onset.
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Affiliation(s)
- Emily N Kowalski
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, Boston, MA, United States
| | - Grace Qian
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, Boston, MA, United States
| | - Kathleen M M Vanni
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, Boston, MA, United States
| | - Jeffrey A Sparks
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, Boston, MA, United States.,Department of Medicine, Harvard Medical School, Boston, MA, United States
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4
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Garcia-Montoya L, Nam JL, Duquenne L, Villota-Eraso C, Di Matteo A, Hartley C, Mankia K, Emery P. Prioritising referrals of individuals at-risk of RA: guidance based on results of a 10-year national primary care observational study. Arthritis Res Ther 2022; 24:26. [PMID: 35042555 PMCID: PMC8767684 DOI: 10.1186/s13075-022-02717-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Accepted: 01/03/2022] [Indexed: 12/04/2022] Open
Abstract
Background Musculoskeletal (MSK) symptoms are among the commonest reasons for primary care assessments; however, few individuals will be diagnosed with an inflammatory arthritis (IA) within the following year. The purpose of this study was to investigate, in individuals with new MSK symptoms, the association between patient factors and risk of progression to IA, in order to optimise primary care referrals to rheumatology. Methods Individuals ≥16 years old with new non-specific MSK symptoms and no clinical synovitis were recruited by primary care across the UK from July 2007 until May 2019. Those testing positive for the anti-CCP2 assay (anti-CCP+) were invited to Leeds for follow-up. Subjects with a negative result (anti-CCP−) were sent a 1-year questionnaire, and general practitioners were contacted to confirm whether the individual had been diagnosed with an IA by a rheumatologist. Predictors for progression were assessed using multivariable regression analysis. Results Six thousand seven hundred eighty individuals were recruited: 3% were anti-CCP+, of whom 45% progressed to IA, predominantly rheumatoid arthritis. Anti-CCP+ participants with high antibody levels had an odds ratio (OR) for progression to IA of 9.42 [P < 0.001, 95% CI (3.13–28.30)], hand pain, OR 2.74 [P = 0.043, 95% CI (1.03–7.27)] and foot pain, OR 4.10 [P = 0.003, 95% CI (1.59–10.54)]. In low-level anti-CCP+ individuals, absence of pain in hands or feet had a negative predictive value of 96% for progression to IA. One-year follow-up data were available for 5640 anti-CCP− individuals, of whom 53 were diagnosed with IA (0.93%). Pain in hands, OR 2.51 [P = 0.018, 95% CI (1.17–5.39)] or knees, OR 3.03 [P = 0.003, 95% CI (1.47–6.25)] were associated with development of IA within 12 months. Conclusions This is the largest prospective primary care study of individuals at risk of IA, and the first one to prospectively investigate the outcome of MSK symptoms in a large anti-CCP− cohort. High anti-CCP levels and pain in hands/feet indicated an increased likelihood of progression to IA. In patients with low anti-CCP level and no pain in the hands/feet, progression is unlikely. In anti-CCP− patients, those with hand or knee pain were at increased risk of progression. This study demonstrates that routinely available tests and joint symptoms provide useful discrimination that may be used to prioritise referrals to rheumatology and avoid a delayed diagnosis. Trial registration NCT, NCT02012764. Registered 25 January 2007. Supplementary Information The online version contains supplementary material available at 10.1186/s13075-022-02717-w.
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Affiliation(s)
- Leticia Garcia-Montoya
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, Chapel Allerton Hospital, University of Leeds, Leeds, LS7 4SA, UK.,National Institute for Health Research Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Jacqueline L Nam
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, Chapel Allerton Hospital, University of Leeds, Leeds, LS7 4SA, UK.,National Institute for Health Research Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Laurence Duquenne
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, Chapel Allerton Hospital, University of Leeds, Leeds, LS7 4SA, UK.,National Institute for Health Research Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Catalina Villota-Eraso
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, Chapel Allerton Hospital, University of Leeds, Leeds, LS7 4SA, UK.,Universidad de La Sabana, Department of Rheumatology, Chía, Colombia
| | - Andrea Di Matteo
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, Chapel Allerton Hospital, University of Leeds, Leeds, LS7 4SA, UK.,Rheumatology Unit, Department of Clinical and Molecular Sciences, "Carlo Urbani" Hospital, Polytechnic University of Marche, Jesi, Ancona, Italy
| | - Collette Hartley
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, Chapel Allerton Hospital, University of Leeds, Leeds, LS7 4SA, UK.,National Institute for Health Research Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Kulveer Mankia
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, Chapel Allerton Hospital, University of Leeds, Leeds, LS7 4SA, UK.,National Institute for Health Research Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Paul Emery
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, Chapel Allerton Hospital, University of Leeds, Leeds, LS7 4SA, UK. .,National Institute for Health Research Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK.
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Rheumatoid Arthritis and Related Disorders. Fam Med 2022. [DOI: 10.1007/978-3-030-54441-6_120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Sokolova MV, Schett G, Steffen U. Autoantibodies in Rheumatoid Arthritis: Historical Background and Novel Findings. Clin Rev Allergy Immunol 2022; 63:138-151. [PMID: 34495490 PMCID: PMC9464122 DOI: 10.1007/s12016-021-08890-1] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/24/2021] [Indexed: 01/13/2023]
Abstract
Autoantibodies represent a hallmark of rheumatoid arthritis (RA), with the rheumatoid factor (RF) and antibodies against citrullinated proteins (ACPA) being the most acknowledged ones. RA patients who are positive for RF and/or ACPA ("seropositive") in general display a different etiology and disease course compared to so-called "seronegative" patients. Still, the seronegative patient population is very heterogeneous and not well characterized. Due to the identification of new autoantibodies and advancements in the diagnosis of rheumatic diseases in the last years, the group of seronegative patients is constantly shrinking. Aside from antibodies towards various post-translational modifications, recent studies describe autoantibodies targeting some native proteins, further broadening the spectrum of recognized antigens. Next to the detection of new autoantibody groups, much research has been done to answer the question if and how autoantibodies contribute to the pathogenesis of RA. Since autoantibodies can be detected years prior to RA onset, it is a matter of debate whether their presence alone is sufficient to trigger the disease. Nevertheless, there is gathering evidence of direct autoantibody effector functions, such as stimulation of osteoclastogenesis and synovial fibroblast migration in in vitro experiments. In addition, autoantibody positive patients display a worse clinical course and stronger radiographic progression. In this review, we discuss current findings regarding different autoantibody types, the underlying disease-driving mechanisms, the role of Fab and Fc glycosylation and clinical implications.
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Affiliation(s)
- Maria V. Sokolova
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-Universität Erlangen-Nürnberg and Universitätsklinikum Erlangen, Universitätstrasse 25a, 91054 Erlangen, Germany ,Deutsches Zentrum Für Immuntherapie, Friedrich-Alexander-Universität Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Georg Schett
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-Universität Erlangen-Nürnberg and Universitätsklinikum Erlangen, Universitätstrasse 25a, 91054 Erlangen, Germany ,Deutsches Zentrum Für Immuntherapie, Friedrich-Alexander-Universität Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Ulrike Steffen
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-Universität Erlangen-Nürnberg and Universitätsklinikum Erlangen, Universitätstrasse 25a, 91054 Erlangen, Germany ,Deutsches Zentrum Für Immuntherapie, Friedrich-Alexander-Universität Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
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7
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Wiens D, Smolik I, Meng X, Anaparti V, El-Gabalawy HS, O'Neil LJ. Functional disability to evaluate the risk of arthritis in First-degree relatives of Rheumatoid Arthritis patients. J Rheumatol 2021; 49:244-250. [PMID: 34725176 DOI: 10.3899/jrheum.210614] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/13/2021] [Indexed: 10/19/2022]
Abstract
OBJECTIVE The events that occur prior to the onset of rheumatoid arthritis (RA) continue to be delineated. We examined the relationship between self-reported joint symptoms, functional disability, and anticitrullinated protein antibody (ACPA) status in a cohort of first-degree relatives (FDR) of RA patients who are at risk of future disease development. METHODS We studied a cohort of 607 FDR of First Nations (FN) RA patients who are at increased risk for future RA development, and analyzed data collected at their enrollment study visit. In parallel, we analyzed data from 279 FN People with no family history of RA. A subset of FDR developed inflammatory arthritis and we analyzed longitudinal data in this group. RESULTS The prevalence of joint symptoms and functional disability was higher in FDR compared to non- FDR (all p<0.001). Difficulty walking (37.3% vs 18.0%) and mHAQ were higher in ACPA positive FDR compared to ACPA negative FDR, and mHAQ was independently associated with ACPA seropositivity (OR: 2.79, 1.56-5.00). Longitudinally, in individuals who developed ACPA+ RA, ACPA level and mHAQ score were significantly associated (R = 0.43, p< 0.001) in the preclinical period. CONCLUSION Compared to population-based controls, FDR have a high burden of joint symptoms and functional disability. Functional disability was most closely associated with ACPA seropositivity in the FDR, suggesting a direct role for ACPA outside of the context of clinically detectable synovitis. mHAQ appears to be particularly valuable in the assessment of individuals at risk for future RA development.
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Affiliation(s)
- Dana Wiens
- Department of Internal Medicine, Manitoba Centre for Proteomics and Systems Biology, University of Manitoba and Health Sciences Centre, Winnipeg, MB, Canada; Department of Internal Medicine, Rheumatology, University of Manitoba, Rady Faculty of Health Sciences, Winnipeg, MB, Canada. The authors above have no relevant financial disclosures or benefits from commercial sources that could create a potential conflict of interest. The entirety of this work was funded by a grant obtained by HS El-Gabalawy through the Canadian Institutes of Health Research (MOP 77700). All study participants provided informed consent in accordance with the Declaration of Helsinki. The Biomedical Research Ethics Board of the University of Manitoba approved all aspects of the study (Board approval number HS14453). Address correspondence to Liam J O'Neil University of Manitoba Department of Internal Medicine and Immunology Division of Rheumatology
| | - Irene Smolik
- Department of Internal Medicine, Manitoba Centre for Proteomics and Systems Biology, University of Manitoba and Health Sciences Centre, Winnipeg, MB, Canada; Department of Internal Medicine, Rheumatology, University of Manitoba, Rady Faculty of Health Sciences, Winnipeg, MB, Canada. The authors above have no relevant financial disclosures or benefits from commercial sources that could create a potential conflict of interest. The entirety of this work was funded by a grant obtained by HS El-Gabalawy through the Canadian Institutes of Health Research (MOP 77700). All study participants provided informed consent in accordance with the Declaration of Helsinki. The Biomedical Research Ethics Board of the University of Manitoba approved all aspects of the study (Board approval number HS14453). Address correspondence to Liam J O'Neil University of Manitoba Department of Internal Medicine and Immunology Division of Rheumatology
| | - Xiaobo Meng
- Department of Internal Medicine, Manitoba Centre for Proteomics and Systems Biology, University of Manitoba and Health Sciences Centre, Winnipeg, MB, Canada; Department of Internal Medicine, Rheumatology, University of Manitoba, Rady Faculty of Health Sciences, Winnipeg, MB, Canada. The authors above have no relevant financial disclosures or benefits from commercial sources that could create a potential conflict of interest. The entirety of this work was funded by a grant obtained by HS El-Gabalawy through the Canadian Institutes of Health Research (MOP 77700). All study participants provided informed consent in accordance with the Declaration of Helsinki. The Biomedical Research Ethics Board of the University of Manitoba approved all aspects of the study (Board approval number HS14453). Address correspondence to Liam J O'Neil University of Manitoba Department of Internal Medicine and Immunology Division of Rheumatology
| | - Vidyanand Anaparti
- Department of Internal Medicine, Manitoba Centre for Proteomics and Systems Biology, University of Manitoba and Health Sciences Centre, Winnipeg, MB, Canada; Department of Internal Medicine, Rheumatology, University of Manitoba, Rady Faculty of Health Sciences, Winnipeg, MB, Canada. The authors above have no relevant financial disclosures or benefits from commercial sources that could create a potential conflict of interest. The entirety of this work was funded by a grant obtained by HS El-Gabalawy through the Canadian Institutes of Health Research (MOP 77700). All study participants provided informed consent in accordance with the Declaration of Helsinki. The Biomedical Research Ethics Board of the University of Manitoba approved all aspects of the study (Board approval number HS14453). Address correspondence to Liam J O'Neil University of Manitoba Department of Internal Medicine and Immunology Division of Rheumatology
| | - Hani S El-Gabalawy
- Department of Internal Medicine, Manitoba Centre for Proteomics and Systems Biology, University of Manitoba and Health Sciences Centre, Winnipeg, MB, Canada; Department of Internal Medicine, Rheumatology, University of Manitoba, Rady Faculty of Health Sciences, Winnipeg, MB, Canada. The authors above have no relevant financial disclosures or benefits from commercial sources that could create a potential conflict of interest. The entirety of this work was funded by a grant obtained by HS El-Gabalawy through the Canadian Institutes of Health Research (MOP 77700). All study participants provided informed consent in accordance with the Declaration of Helsinki. The Biomedical Research Ethics Board of the University of Manitoba approved all aspects of the study (Board approval number HS14453). Address correspondence to Liam J O'Neil University of Manitoba Department of Internal Medicine and Immunology Division of Rheumatology
| | - Liam J O'Neil
- Department of Internal Medicine, Manitoba Centre for Proteomics and Systems Biology, University of Manitoba and Health Sciences Centre, Winnipeg, MB, Canada; Department of Internal Medicine, Rheumatology, University of Manitoba, Rady Faculty of Health Sciences, Winnipeg, MB, Canada. The authors above have no relevant financial disclosures or benefits from commercial sources that could create a potential conflict of interest. The entirety of this work was funded by a grant obtained by HS El-Gabalawy through the Canadian Institutes of Health Research (MOP 77700). All study participants provided informed consent in accordance with the Declaration of Helsinki. The Biomedical Research Ethics Board of the University of Manitoba approved all aspects of the study (Board approval number HS14453). Address correspondence to Liam J O'Neil University of Manitoba Department of Internal Medicine and Immunology Division of Rheumatology
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8
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Mankia K, Siddle HJ, Kerschbaumer A, Alpizar Rodriguez D, Catrina AI, Cañete JD, Cope AP, Daien CI, Deane KD, El Gabalawy H, Finckh A, Holers VM, Koloumas M, Ometto F, Raza K, Zabalan C, van der Helm-van Mil A, van Schaardenburg D, Aletaha D, Emery P. EULAR points to consider for conducting clinical trials and observational studies in individuals at risk of rheumatoid arthritis. Ann Rheum Dis 2021; 80:1286-1298. [PMID: 34362746 PMCID: PMC8458095 DOI: 10.1136/annrheumdis-2021-220884] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 07/24/2021] [Indexed: 01/26/2023]
Abstract
BACKGROUND Despite growing interest, there is no guidance or consensus on how to conduct clinical trials and observational studies in populations at risk of rheumatoid arthritis (RA). METHODS An European League Against Rheumatism (EULAR) task force formulated four research questions to be addressed by systematic literature review (SLR). The SLR results informed consensus statements. One overarching principle, 10 points to consider (PTC) and a research agenda were proposed. Task force members rated their level of agreement (1-10) for each PTC. RESULTS Epidemiological and demographic characteristics should be measured in all clinical trials and studies in at-risk individuals. Different at-risk populations, identified according to clinical presentation, were defined: asymptomatic, musculoskeletal symptoms without arthritis and early clinical arthritis. Study end-points should include the development of subclinical inflammation on imaging, clinical arthritis, RA and subsequent achievement of arthritis remission. Risk factors should be assessed at baseline and re-evaluated where appropriate; they include genetic markers and autoantibody profiling and additionally clinical symptoms and subclinical inflammation on imaging in those with symptoms and/or clinical arthritis. Trials should address the effect of the intervention on risk factors, as well as progression to clinical arthritis or RA. In patients with early clinical arthritis, pharmacological intervention has the potential to prevent RA development. Participants' knowledge of their RA risk may inform their decision to participate; information should be provided using an individually tailored approach. CONCLUSION These consensus statements provide data-driven guidance for rheumatologists, health professionals and investigators conducting clinical trials and observational studies in individuals at risk of RA.
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Affiliation(s)
- Kulveer Mankia
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
- NIHR Leeds Musculoskeletal Biomedical Research Centre, Leeds, UK
| | - Heidi J Siddle
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
- NIHR Leeds Musculoskeletal Biomedical Research Centre, Leeds, UK
| | - Andreas Kerschbaumer
- Department of Medicine III, Division of Rheumatology, Medical University of Vienna, Vienna, Austria
| | | | | | - Juan D Cañete
- Department of Rheumatology, Arthritis Unit, Hospital Clinic and IDIBAPS, Barcelona, Spain
| | - Andrew P Cope
- Faculty of Life Sciences and Medicine, Centre for Rheumatic Diseases, King's College London, London, UK
| | - Claire Immediato Daien
- Department of Rheumatology, CHU de Montpellier, University of Montpellier, PhyMedExp, INSERM, CNRS UMR, Montpellier, France
| | - Kevin D Deane
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Hani El Gabalawy
- Department of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Axel Finckh
- Division of Rheumatology, University of Geneva, Geneva, Switzerland
| | - V Michael Holers
- Division of Rheumatology, Department of Medicine, University of Colorado Denver, Anschutz Medical Campus, Aurora, Colorado, USA
| | | | - Francesca Ometto
- Rheumatology Unit, Department of Medicine, University of Padova, Padova, Italy
| | - Karim Raza
- Centre for Musculoskeletal Ageing Research and Research into Inflammatory Arthritis, Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
- Department of Rheumatology, Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, UK
| | | | - Annette van der Helm-van Mil
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
- Department of Rheumatology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Dirkjan van Schaardenburg
- Department of Rheumatology, Academic Medical Center, Amsterdam UMC, Amsterdam, The Netherlands
- Department of Rheumatology, Reade, Amsterdam Rheumatology and Immunology Center, Amsterdam, The Netherlands
| | - Daniel Aletaha
- Department of Rheumatology, Medical University of Vienna, Vienna, Austria
| | - Paul Emery
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, Leeds, UK
- NIHR Leeds Musculoskeletal Biomedical Research Unit, Leeds Teaching Hospitals NHS Trust, Leeds, UK
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9
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Lamacchia C, Calderin Sollet Z, Courvoisier D, Mongin D, Palmer G, Studer O, Gabay C, Villard J, Buhler S, Finckh A. Detection of circulating highly expanded T-cell clones in at-risk individuals for rheumatoid arthritis before the clinical onset of the disease. Rheumatology (Oxford) 2021; 60:3451-3460. [PMID: 33291148 DOI: 10.1093/rheumatology/keaa790] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 10/19/2020] [Indexed: 01/04/2023] Open
Abstract
OBJECTIVES To quantitatively profile the T-cell repertoire in the peripheral blood of individuals genetically at risk for RA, namely first-degree relatives of RA patients (RA-FDR) at different phases of disease development. METHODS Next-generation sequencing of the TCR CDR3β repertoire was performed on genomic DNA isolated from whole blood samples of RA-FDR selected at three different pre-clinical stages and of matched RA patients (n = 20/group). T-cell clones were identified by their unique sequence and their degree of expansion (frequency) within each sample was characterized. Clones with a frequency over 0.5% were considered highly expanded clones (HEC). RESULTS The absolute number of HEC was significantly higher in established RA patients (mean 4.65) and tended to be higher in symptomatic RA-FDR (mean 3.4) compared with asymptomatic RA-FDR (mean 1.55, P =0.003 and P =0.07, respectively). Asymptomatic individuals with high levels of ACPA did not differ from asymptomatic RA-FDR in terms of absolute number and frequency of clones. The number of HEC tended to be slightly higher at the time of RA onset (P =0.055). Neither clones shared by several patients, nor clones previously associated with RA, were preferentially present within or between the different groups. Finally, a longitudinal analysis did not allow to uncover a kinetic expansion of RA-specific clones closely correlated with disease development. CONCLUSIONS HEC were detected in the peripheral blood before the clinical onset of RA, in particular in the later pre-clinical phase of RA development, and their presence increased over time.
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Affiliation(s)
- Céline Lamacchia
- Division of Rheumatology, Department of Internal Medicine Specialities
| | - Zuleika Calderin Sollet
- Transplantation Immunology Unit and National Reference Laboratory for Histocompatibility, Department of Diagnostic, Geneva University Hospitals
| | | | - Denis Mongin
- Division of Rheumatology, Department of Internal Medicine Specialities
| | - Gaby Palmer
- Division of Rheumatology, Department of Internal Medicine Specialities.,Department of Pathology-Immunology, University of Geneva School of Medicine, Geneva, Switzerland
| | - Oliva Studer
- Division of Rheumatology, Department of Internal Medicine Specialities
| | - Cem Gabay
- Division of Rheumatology, Department of Internal Medicine Specialities.,Department of Pathology-Immunology, University of Geneva School of Medicine, Geneva, Switzerland
| | - Jean Villard
- Transplantation Immunology Unit and National Reference Laboratory for Histocompatibility, Department of Diagnostic, Geneva University Hospitals
| | - Stéphane Buhler
- Transplantation Immunology Unit and National Reference Laboratory for Histocompatibility, Department of Diagnostic, Geneva University Hospitals
| | - Axel Finckh
- Division of Rheumatology, Department of Internal Medicine Specialities
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10
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Wouters F, Maurits MP, van Boheemen L, Verstappen M, Mankia K, Matthijssen XME, Dorjée AL, Emery P, Knevel R, van Schaardenburg D, Toes REM, van der Helm-van Mil AHM. Determining in which pre-arthritis stage HLA-shared epitope alleles and smoking exert their effect on the development of rheumatoid arthritis. Ann Rheum Dis 2021; 81:48-55. [PMID: 34285049 DOI: 10.1136/annrheumdis-2021-220546] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 07/07/2021] [Indexed: 11/03/2022]
Abstract
OBJECTIVES The human leukocyte antigen-shared epitope (HLA-SE) alleles and smoking are the most prominent genetic and environmental risk factors for rheumatoid arthritis (RA). However, at which pre-arthritis stage (asymptomatic/symptomatic) they exert their effect is unknown. We aimed to determine whether HLA-SE and smoking are involved in the onset of autoantibody positivity, symptoms (clinically suspect arthralgia (CSA)) and/or progression to clinical arthritis. METHODS We performed meta-analyses on results from the literature on associations of HLA-SE and smoking with anti-citrullinated protein antibodies (ACPAs) in the asymptomatic population. Next, we studied associations of HLA-SE and smoking with autoantibody positivity at CSA onset and with progression to clinical inflammatory arthritis (IA) during follow-up. Associations in ACPA-positive patients with CSA were validated in meta-analyses with other arthralgia cohorts. Analyses were repeated for rheumatoid factor (RF), anti-carbamylated protein antibodies (anti-CarP) and anti-acetylated protein antibodies (AAPA). RESULTS Meta-analyses showed that HLA-SE is not associated with ACPA positivity in the asymptomatic population (OR 1.06 (95% CI:0.69 to 1.64)), whereas smoking was associated (OR 1.37 (95% CI: 1.15 to 1.63)). At CSA onset, both HLA-SE and smoking associated with ACPA positivity (OR 2.08 (95% CI: 1.24 to 3.49), OR 2.41 (95% CI: 1.31 to 4.43)). During follow-up, HLA-SE associated with IA development (HR 1.86 (95% CI: 1.23 to 2.82)), in contrast to smoking. This was confirmed in meta-analyses in ACPA-positive arthralgia (HR 1.52 (95% CI: 1.08 to 2.15)). HLA-SE and smoking were not associated with RF, anti-CarP or AAPA-positivity at CSA onset. Longitudinally, AAPA associated with IA development independent from ACPA and RF (HR 1.79 (95% CI: 1.02 to 3.16)), anti-CarP did not. CONCLUSIONS HLA-SE and smoking act at different stages: smoking confers risk for ACPA and symptom development, whereas HLA-SE mediates symptom and IA development. These data enhance the understanding of the timing of the key risk factors in the development of RA.
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Affiliation(s)
- Fenne Wouters
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Marc P Maurits
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Laurette van Boheemen
- Department of Rheumatology, Amsterdam Rheumatology and Immunology Center, Reade, Amsterdam, The Netherlands
| | - Marloes Verstappen
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Kulveer Mankia
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
- NIHR Leeds Biomedical Research Unit, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | | | - Annemarie L Dorjée
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Paul Emery
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
- NIHR Leeds Biomedical Research Unit, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Rachel Knevel
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Dirkjan van Schaardenburg
- Department of Rheumatology, Amsterdam Rheumatology and Immunology Center, Reade, Amsterdam, The Netherlands
| | - René E M Toes
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Annette H M van der Helm-van Mil
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
- Department of Rheumatology, Erasmus Medical Center, Rotterdam, The Netherlands
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11
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Gilbert BTP, Lamacchia C, Mongin D, Lauper K, Trunk E, Studer O, Courvoisier DS, Rubbert-Roth A, Kyburz D, Moeller B, Finckh A. Cohort profile: SCREEN-RA: design, methods and perspectives of a Swiss cohort study of first-degree relatives of patients with rheumatoid arthritis. BMJ Open 2021; 11:e048409. [PMID: 34261688 PMCID: PMC8280908 DOI: 10.1136/bmjopen-2020-048409] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
PURPOSE Rheumatoid arthritis (RA) is an insidious autoimmune disease, with an immunological onset years before diagnosis. Early interventions in preclinical stages could prevent or minimise the progression towards irreversible joint damage. The SCREEN-RA cohort (Evaluation of a SCREENing strategy for Rheumatoid Arthritis) aims to characterise the preclinical stages of the disease, to identify environmental risk factors, and to discover or validate novel biomarkers predictive for RA development. PARTICIPANTS SCREEN-RA includes an at-risk population for RA, namely first-degree relatives of patients with established RA. FINDINGS TO DATE The cohort started in 2009 is composed of mostly asymptomatic healthy individuals (total n=1458, 7262 person-years), with a mean age of 44 years at enrolment, 74% female and 91% Caucasian ethnicity. During the study period, 16 participants have developed RA. All participants provide baseline serum, DNA and RNA samples, and in a subset, stool samples and oral examination are performed for microbiota assessment. At enrolment, 10% of participants had asymptomatic autoimmunity associated with RA (n=147), 10% presented 'clinically suspect arthralgias' (n=143) and 3% reported arthralgias in conjunction with autoimmunity or high genetic risk (n=51). Studies with this cohort have uncovered risk factors for RA development, such as female hormonal factors, poor oral health or intestinal dysbiosis. FUTURE PLANS Future directions include immunological and 'multiomics' approaches to discover new biological markers of progression towards RA, as well as testing preventive interventions in 'high-risk' population.
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Affiliation(s)
| | - Céline Lamacchia
- Division of Rheumatology, Geneva University Hospitals (HUG), Geneve, Switzerland
| | - Denis Mongin
- Division of Rheumatology, Geneva University Hospitals (HUG), Geneve, Switzerland
| | - Kim Lauper
- Division of Rheumatology, Geneva University Hospitals (HUG), Geneve, Switzerland
- Centre for Epidemiology Versus Arthritis, Centre for Musculoskeletal Research, University of Manchester, Manchester, England
| | - Eric Trunk
- Division of Rheumatology, Geneva University Hospitals (HUG), Geneve, Switzerland
| | - Olivia Studer
- Division of Rheumatology, Geneva University Hospitals (HUG), Geneve, Switzerland
| | | | | | - Diego Kyburz
- Department of Biomedicine, University Hospital Basel, Basel, Switzerland
| | - Burkhard Moeller
- Department of Rheumatology, Clinical Immunology and Allergology, Inselspital Universitatsspital Bern, Bern, Switzerland
| | - Axel Finckh
- Division of Rheumatology, Geneva University Hospitals (HUG), Geneve, Switzerland
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12
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McDermott GC, Doyle TJ, Sparks JA. Interstitial lung disease throughout the rheumatoid arthritis disease course. Curr Opin Rheumatol 2021; 33:284-291. [PMID: 33625044 PMCID: PMC8268047 DOI: 10.1097/bor.0000000000000787] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
PURPOSE OF REVIEW To summarize the current understanding of rheumatoid arthritis-associated interstitial lung disease (RA-ILD) throughout the rheumatoid arthritis (RA) disease course from preclinical to established disease. RECENT FINDINGS ILD is a serious extra-articular manifestation of RA. Multiple studies have demonstrated a high prevalence of both subclinical and clinical ILD throughout the RA disease course. Investigations of patients without RA have demonstrated an association between RA-related autoantibodies like anticitrullinated protein antibodies (ACPA) and interstitial abnormalities on lung imaging. A significant proportion of RA-ILD patients develop ILD prior to articular manifestations, suggesting that the lung plays a central role in RA development, perhaps through ACPA production. RA-ILD also occurs in early RA, when exuberant autoantibody production and systemic inflammation may propagate pulmonary disease activity. In patients with established RA, a high burden of subclinical and clinical ILD results in significant morbidity, mortality, and healthcare expenditure. Multiple epidemiologic and genetic risk factors, as well as serum biomarkers, have been associated with RA-ILD. SUMMARY Subclinical and clinical ILD occur frequently in preclinical, early, and established RA and may play a key role in RA-related autoantibody production and disease progression. Further studies are needed to better understand the risk factors, prognosis, and potential therapies for RA-ILD.
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Affiliation(s)
- Gregory C. McDermott
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women’s Hospital, Boston, MA
- Harvard Medical School, Boston, MA
| | - Tracy J. Doyle
- Division of Pulmonary and Critical Care Medicine, Brigham and Women’s Hospital, Boston, MA
- Harvard Medical School, Boston, MA
| | - Jeffrey A. Sparks
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women’s Hospital, Boston, MA
- Harvard Medical School, Boston, MA
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13
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Zaccardelli A, Liu X, Ford JA, Cui J, Lu B, Chu SH, Schur PH, Speyer CB, Costenbader KH, Robinson WH, Sokolove J, Karlson EW, Camargo CA, Sparks JA. Elevated Anti-Citrullinated Protein Antibodies Prior to Rheumatoid Arthritis Diagnosis and Risks for Chronic Obstructive Pulmonary Disease or Asthma. Arthritis Care Res (Hoboken) 2021; 73:498-509. [PMID: 31961487 PMCID: PMC7371499 DOI: 10.1002/acr.24140] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Accepted: 01/07/2020] [Indexed: 01/04/2023]
Abstract
OBJECTIVE To investigate elevation of anti-citrullinated protein antibodies (ACPAs) before diagnosis of rheumatoid arthritis (RA) and risks for chronic obstructive pulmonary disease (COPD) or asthma. METHODS We performed a matched cohort study nested within the Nurses' Health Studies among women who donated blood. Women with incident RA after blood draw (self-reported, then confirmed by medical records) were each matched to 3 controls by age, cohort, year, and menopausal factors. Pre-RA ACPA positivity was defined as >99th percentile of control distribution by a research assay or by cyclic citrullinated peptide in a subset. Incident COPD and asthma after index date (date of blood draw) were identified by questionnaires. Cox regression estimated hazard ratios (HRs) for incident COPD or asthma (in separate analyses) associated with pre-RA, pre-RA ACPA+, or pre-RA ACPA- phenotypes each compared to their matched non-RA controls. RESULTS We analyzed 283 women who were pre-RA and 842 controls; blood was donated a mean ± SD of 9.7 ± 5.8 years before RA diagnosis. Fifty-nine women (20.8%) were pre-RA ACPA+. There were 107 cases of incident COPD and 105 incident asthma cases during 21,489 person-years of follow-up. Pre-RA ACPA+ was associated with increased COPD risk (HR 3.04 [95% confidence interval (95% CI) 1.33-7.00]) after adjusting for covariates including smoking pack-years. Pre-RA ACPA+ had an HR for asthma of 1.74 (multivariable 95% CI 0.72-4.24), similar to the risk of asthma for pre-RA ACPA- (HR 1.65 [95% CI 1.11-2.46]). CONCLUSION Women with elevated ACPA before RA diagnosis had increased risk for developing COPD compared to controls. Women who later developed RA were more likely to develop asthma than controls, regardless of pre-RA ACPA status.
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Affiliation(s)
| | - Xinyi Liu
- Brigham and Women’s Hospital, Boston, MA, USA
| | - Julia A. Ford
- Brigham and Women’s Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Jing Cui
- Brigham and Women’s Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Bing Lu
- Brigham and Women’s Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Su H. Chu
- Brigham and Women’s Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Peter H. Schur
- Brigham and Women’s Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | | | - Karen H. Costenbader
- Brigham and Women’s Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - William H. Robinson
- Stanford University School of Medicine, Palo Alto, CA, USA
- VA Palo Alto Health Care System, Palo Alto, CA, USA
| | - Jeremy Sokolove
- Stanford University School of Medicine, Palo Alto, CA, USA
- VA Palo Alto Health Care System, Palo Alto, CA, USA
- GlaxoSmithKline
| | - Elizabeth W. Karlson
- Brigham and Women’s Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Carlos A. Camargo
- Brigham and Women’s Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
- Massachusetts General Hospital, Boston, MA, USA
| | - Jeffrey A. Sparks
- Brigham and Women’s Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
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14
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Etiologies of Rheumatoid Arthritis: Update on Mucosal, Genetic, and Cellular Pathogenesis. Curr Rheumatol Rep 2021; 23:21. [PMID: 33646410 PMCID: PMC7919619 DOI: 10.1007/s11926-021-00993-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/20/2021] [Indexed: 12/11/2022]
Abstract
Purpose of Review Over the last few years, the scientific community has made significant progress in understanding the etiology of rheumatoid arthritis (RA). In this review, we summarize those key findings and trends. Recent Findings New data strongly implicates respiratory exposures, obesity, diet and microbiome, genetics, and their interactions in the etiology of RA. Furthermore, anti-posttranslationally modified protein antibodies (AMPAs) and abnormal glycosylation may be additional biomarkers for RA. Finally, functional genomics techniques implicate loss of certain macrophage populations and proliferation of synovial fibroblasts in RA. Summary These findings support the notion that RA originates at mucosal sites, augmented by genetic predisposition, and mediated by certain cell types including macrophages and fibroblasts. Weight loss, physical activity, and diet are additional modifiable factors beyond smoking cessation that can reduce risk of RA. Future epidemiologic and translational studies leveraging multi-omics approaches will help map the precise sequence of events in RA pathogenesis.
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15
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Bemis EA, Demoruelle MK, Seifert JA, Polinski KJ, Weisman MH, Buckner JH, Gregersen PK, Mikuls TR, ODell JR, Keating RM, Deane KD, Holers VM, Norris JM. Factors associated with progression to inflammatory arthritis in first-degree relatives of individuals with RA following autoantibody positive screening in a non-clinical setting. Ann Rheum Dis 2021; 80:154-161. [PMID: 32928740 PMCID: PMC7855648 DOI: 10.1136/annrheumdis-2020-217066] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 08/14/2020] [Accepted: 08/17/2020] [Indexed: 01/06/2023]
Abstract
OBJECTIVES Little is known about the likelihood of developing inflammatory arthritis (IA) in individuals who screen autoantibody positive (aAb+) in a non-clinical research setting. METHODS We screened for serum cyclic citrullinated peptide antibody (anti-CCP) and rheumatoid factor isotype aAbs in subjects who were at increased risk for rheumatoid arthritis (RA) because they are a first-degree relative of an individual with classified RA (n=1780). We evaluated combinations of aAbs and high titre aAbs, as defined by 2-times (2 x) the standard cut-off and an optimal cut-off, as predictors of our two outcomes, aAb+ persistence and incident IA. RESULTS 304 subjects (17.1%) tested aAb+; of those, 131 were IA-free and had at least one follow-up visit. Sixty-four per cent of these tested aAb+ again on their next visit. Anti-CCP+ at levels ≥2 x the standard cut-off was associated with 13-fold higher likelihood of aAb +persistence. During a median of 4.4 years (IQR: 2.2-7.2), 20 subjects (15.3%) developed IA. Among subjects that screened anti-CCP+ at ≥ 2 x or ≥an optimal cut-off, 32% and 26% had developed IA within 5 years, respectively. Both anti-CCP cut-offs conferred an approximate fourfold increased risk of future IA (HR 4.09 and HR 3.95, p<0.01). CONCLUSIONS These findings support that aAb screening in a non-clinical setting can identify RA-related aAb+ individuals, as well as levels and combinations of aAbs that are associated with higher risk for future IA. Monitoring for the development of IA in aAb+ individuals and similar aAb testing approaches in at-risk populations may identify candidates for prevention studies in RA.
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Affiliation(s)
- Elizabeth A Bemis
- Department of Epidemiology, Colorado School of Public Health, Aurora, Colorado, USA
| | - M Kristen Demoruelle
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Denver, Colorado, USA
| | - Jennifer A Seifert
- Department of Epidemiology, Colorado School of Public Health, Aurora, Colorado, USA
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Denver, Colorado, USA
| | - Kristen J Polinski
- Department of Epidemiology, Colorado School of Public Health, Aurora, Colorado, USA
| | - Michael H Weisman
- Division of Rheumatology, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Jane H Buckner
- Department of Immunology, Benaroya Research Institute at Virginia Mason, Seattle, Washington, USA
| | - Peter K Gregersen
- Robert S. Boas Center for Genomics and Human Genetics, The Feinstein Institute for Medical Research, North Shore-Long Island Jewish Health System, Manhasset, New York, USA
| | - Ted R Mikuls
- Division of Rheumatology, University of Nebraska Medical Center, Omaha, Nebraska, USA
- Division of Rheumatology, Veterans Affairs (VA) Nebraska-Western Iowa Health Care System, Omaha, Nebraska, USA
| | - James R ODell
- Division of Rheumatology, University of Nebraska Medical Center, Omaha, Nebraska, USA
- Division of Rheumatology, Veterans Affairs (VA) Nebraska-Western Iowa Health Care System, Omaha, Nebraska, USA
| | - Richard M Keating
- Division of Rheumatology, Scripps Clinic/Scripps Green Hospital, San Diego, California, USA
| | - Kevin D Deane
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Denver, Colorado, USA
| | - V Michael Holers
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Denver, Colorado, USA
| | - Jill M Norris
- Department of Epidemiology, Colorado School of Public Health, Aurora, Colorado, USA
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16
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Friedlander HM, Ford JA, Zaccardelli A, Terrio AV, Cho MH, Sparks JA. Obstructive lung diseases and risk of rheumatoid arthritis. Expert Rev Clin Immunol 2020; 16:37-50. [PMID: 31774329 DOI: 10.1080/1744666x.2019.1698293] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Introduction: Smoking is an established risk factor for both lung diseases and rheumatoid arthritis (RA). Chronic mucosal airway inflammation may result in immune tolerance loss, neoantigen formation, and production of RA-related autoantibodies that increase the subsequent risk of RA. In this review, we aimed to summarize the current evidence supporting the role of obstructive lung diseases and subsequent risk of RA.Areas covered: We identified scientific articles discussing the biologic mechanisms linking mucosal airway inflammation and RA risk. We also identified studies investigating asthma, chronic obstructive pulmonary disease, bronchiectasis, cystic fibrosis, chronic tuberculous and nontuberculous mycobacterial infections, and interstitial lung disease with subsequent risk for RA.Expert opinion: The current evidence supports the hypothesis that mucosal airway inflammation may increase the risk of developing RA. However, most studies investigating this relationship have been retrospective and may not have adequately addressed the role of smoking. Larger prospective studies may provide stronger evidence for obstructive lung disease and RA risk. Determining the role of obstructive lung disease in RA pathogenesis may provide opportunity for RA prevention and screening strategies, while identifying novel biologic mechanisms that could offer targets to improve treatment and outcomes.
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Affiliation(s)
- H Maura Friedlander
- Brigham and Women's Hospital, Division of Rheumatology, Immunology and Allergy, Boston, MA, USA
| | - Julia A Ford
- Brigham and Women's Hospital, Division of Rheumatology, Immunology and Allergy, Boston, MA, USA.,Harvard Medical School, Boston, MA, USA
| | - Alessandra Zaccardelli
- Brigham and Women's Hospital, Division of Rheumatology, Immunology and Allergy, Boston, MA, USA
| | - Alexsandra V Terrio
- Brigham and Women's Hospital, Division of Rheumatology, Immunology and Allergy, Boston, MA, USA
| | - Michael H Cho
- Harvard Medical School, Boston, MA, USA.,Brigham and Women's Hospital, Division of Pulmonary and Critical Care Medicine, Boston, MA, USA.,Brigham and Women's Hospital, Channing Division of Network Medicine, Boston, MA, USA
| | - Jeffrey A Sparks
- Brigham and Women's Hospital, Division of Rheumatology, Immunology and Allergy, Boston, MA, USA.,Harvard Medical School, Boston, MA, USA
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17
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Garland SG, Falk NP. Rheumatoid Arthritis and Related Disorders. Fam Med 2020. [DOI: 10.1007/978-1-4939-0779-3_120-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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18
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Rantapää Dahlqvist S, Andrade F. Individuals at risk of seropositive rheumatoid arthritis: the evolving story. J Intern Med 2019; 286:627-643. [PMID: 31562671 PMCID: PMC6878216 DOI: 10.1111/joim.12980] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The aetiology of the autoimmune disease rheumatoid arthritis (RA) involves a complex interplay between genetic and environmental factors that initiate many years before the onset of clinical symptoms. These interactions likely include both protective and susceptibility factors which together determine the risk of developing RA. More than 100 susceptibility loci have been linked to RA. The strongest association is with HLA-DRB1 alleles encoding antigen presenting molecules containing a unique sequence in the peptide-binding grove called the 'shared epitope'. Female sex, infections during childhood, lifestyle habits (e.g. smoking and diet) and distinct microbial agents, amongst many others, are interacting risk factors thought to contribute to RA pathogenesis by dysregulating the immune system in individuals with genetic susceptibility. Interestingly, patients with RA develop autoantibodies many years before the clinical onset of disease, providing strong evidence that the lack of tolerance to arthritogenic antigens is amongst the earliest events in the initiation of seropositive RA. Here, we will discuss the clinical and mechanistic evidence surrounding the role of different environmental and genetic factors in the phases leading to the production of autoantibodies and the initiation of symptomatic RA. Understanding this complexity is critical in order to develop tools to identify drivers of disease initiation and propagation and to develop preventive therapeutics.
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Affiliation(s)
- S Rantapää Dahlqvist
- Institution of Public Health and Clinical Medicine/Rheumatology, Umeå University, Umeå, Sweden
| | - F Andrade
- Division of Rheumatology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
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19
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Zaccardelli A, Liu X, Ford JA, Cui J, Lu B, Chu SH, Schur PH, Speyer CB, Costenbader KH, Robinson WH, Sokolove J, Karlson EW, Camargo CA, Sparks JA. Asthma and elevation of anti-citrullinated protein antibodies prior to the onset of rheumatoid arthritis. Arthritis Res Ther 2019; 21:246. [PMID: 31753003 PMCID: PMC6868779 DOI: 10.1186/s13075-019-2035-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 10/17/2019] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Anti-citrullinated protein antibodies (ACPA) are central to rheumatoid arthritis (RA) pathogenesis and may develop at inflamed mucosa. We investigated whether asthma, a disease of airway mucosal inflammation, was associated with elevated ACPA before RA diagnosis. METHODS We performed a nested case-control study among women in two prospective cohorts, the Nurses' Health Study (NHS; 1976-2014) and NHSII (1989-2015). Blood was obtained on a subset (NHS: 1989-1990; NHSII: 1996-1999). Cases met 1987 ACR or 2010 ACR/EULAR RA criteria by medical record review and were classified as seropositive (ACPA+ or rheumatoid factor positivity) or seronegative by clinical laboratory testing at diagnosis. We identified RA cases with blood drawn before the date of RA diagnosis (index date), matching each to three controls by age, cohort, year, time from blood draw to index date, and menopause. Pre-RA ACPA elevation for cases was defined as >99th percentile of the control distribution on a research assay composed of autoantibodies targeting citrullinated protein epitopes or positivity on the second-generation commercial assay for cyclic citrullinated peptide. Asthma status and covariates were obtained through biennial questionnaires before blood draw. Conditional logistic regression estimated ORs and 95%CIs for RA by pre-RA ACPA and clinical serostatus, adjusted for matching factors, smoking pack-years, passive smoking, and body mass index (BMI). RESULTS We identified 284 incident RA cases and 849 matched controls; mean age at the index date was 61.2 years (SD 10.1). Blood was drawn 9.7 years (mean; SD 5.8) before the index date. We identified 96 (33.8%) RA cases with elevated pre-RA ACPA. At blood draw, 17.7% of pre-RA ACPA+ cases and 6.3% of matched controls (p = 0.0008) reported clinician-diagnosed asthma. After adjusting for matching factors, smoking pack-years, passive smoking, and BMI, asthma was significantly associated with pre-RA ACPA+ RA (OR 3.57, 95%CI 1.58,8.04). Asthma was not associated with overall RA (OR 1.45, 95%CI 0.91,2.31), but was significantly associated with seropositive RA (OR 1.79, 95%CI 1.01,3.18). CONCLUSIONS Asthma was strongly associated with ACPA elevation in blood drawn prior to RA diagnosis, independent of smoking. Chronic mucosal airway inflammation may contribute to ACPA development and RA pathogenesis.
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Affiliation(s)
- Alessandra Zaccardelli
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, 60 Fenwood Road, #6016U, Boston, MA, 02115, USA
| | - Xinyi Liu
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, 60 Fenwood Road, #6016U, Boston, MA, 02115, USA
| | - Julia A Ford
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, 60 Fenwood Road, #6016U, Boston, MA, 02115, USA.,Harvard Medical School, Boston, MA, USA
| | - Jing Cui
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, 60 Fenwood Road, #6016U, Boston, MA, 02115, USA.,Harvard Medical School, Boston, MA, USA
| | - Bing Lu
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, 60 Fenwood Road, #6016U, Boston, MA, 02115, USA.,Harvard Medical School, Boston, MA, USA
| | - Su H Chu
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, 60 Fenwood Road, #6016U, Boston, MA, 02115, USA.,Harvard Medical School, Boston, MA, USA
| | - Peter H Schur
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, 60 Fenwood Road, #6016U, Boston, MA, 02115, USA.,Harvard Medical School, Boston, MA, USA
| | - Cameron B Speyer
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, 60 Fenwood Road, #6016U, Boston, MA, 02115, USA
| | - Karen H Costenbader
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, 60 Fenwood Road, #6016U, Boston, MA, 02115, USA.,Harvard Medical School, Boston, MA, USA
| | - William H Robinson
- Stanford University School of Medicine, Palo Alto, CA, USA.,VA Palo Alto Health Care System, Palo Alto, CA, USA
| | - Jeremy Sokolove
- Stanford University School of Medicine, Palo Alto, CA, USA.,VA Palo Alto Health Care System, Palo Alto, CA, USA.,GlaxoSmithKline, Vienna, Austria
| | - Elizabeth W Karlson
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, 60 Fenwood Road, #6016U, Boston, MA, 02115, USA.,Harvard Medical School, Boston, MA, USA
| | - Carlos A Camargo
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, 60 Fenwood Road, #6016U, Boston, MA, 02115, USA.,Harvard Medical School, Boston, MA, USA.,Massachusetts General Hospital, Boston, MA, USA
| | - Jeffrey A Sparks
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, 60 Fenwood Road, #6016U, Boston, MA, 02115, USA. .,Harvard Medical School, Boston, MA, USA.
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20
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Huang S, He X, Doyle TJ, Zaccardelli A, Marshall AA, Friedlander HM, Blaustein RB, Smith EA, Cui J, Iannaccone CK, Mahmoud TG, Weinblatt ME, Dellaripa PF, Shadick NA, Sparks JA. Association of rheumatoid arthritis-related autoantibodies with pulmonary function test abnormalities in a rheumatoid arthritis registry. Clin Rheumatol 2019; 38:3401-3412. [PMID: 31410660 DOI: 10.1007/s10067-019-04733-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Revised: 07/11/2019] [Accepted: 07/31/2019] [Indexed: 11/26/2022]
Abstract
INTRODUCTION We investigated whether rheumatoid arthritis (RA)-related autoantibodies were associated with abnormalities on pulmonary function tests (PFTs). METHODS We studied RA serostatus and PFT abnormalities within a RA registry. RA serostatus was assessed by research assays for cyclic citrullinated peptide (CCP) and rheumatoid factor (RF). Outcomes were abnormalities on clinically indicated PFTs, including restriction, obstruction, and diffusion abnormality. Logistic regression was used to obtain ORs and 95% CIs for the PFT abnormalities by RA serologic phenotypes independent of lifestyle and RA characteristics. RESULTS Among 1272 analyzed subjects, mean age was 56.3 years (SD 14.1), 82.2% were female, and 69.5% were seropositive. There were 100 subjects with abnormal PFTs. Compared with seronegativity, seropositivity was associated with increased odds of any PFT abnormality (multivariable OR 2.29, 95% CI 1.30-4.03). When analyzing type of PFT abnormality, seropositivity was also associated with restriction, obstruction, and diffusion abnormalities; multivariable ORs were 2.48 (95% CI 1.26-4.87), 3.12 (95% CI 1.28-7.61), and 2.30 (95% CI 1.09-4.83), respectively. When analyzing by CCP and RF status, the associations were stronger for RF+ than for CCP+ (any PFT abnormality OR 1.99, 95% CI 1.21-3.27 for RF+ vs. RF-; OR 1.67, 95% CI 1.03-2.69 for CCP+ vs. CCP-) with a dose effect of higher RF titer increasing odds for each PFT abnormality (p for trend < 0.05). CONCLUSIONS Seropositive RA patients had two-fold increased risk for abnormalities on PFTs performed for clinical indications compared with seronegative RA. Patients with seropositive RA, particularly those with high-titer RF positivity, may be more likely to have obstructive and restrictive abnormalities, independent of smoking.Key points• Due to the known excess pulmonary morbidity/mortality in RA, we studied the relationship of rheumatoid arthritis (RA)-related autoantibodies with pulmonary function test (PFT) abnormalities using a large RA registry.• We evaluated whether presence and levels of cyclic citrullinated peptide (CCP) and rheumatoid factor (RF) were associated with restriction, obstruction, and diffusion abnormalities on PFTs among 1272 subjects with RA.• Seropositivity was associated with two-fold increased risk for any PFT abnormality, independent of confounders including smoking. Higher titers of RF conferred greatest risk for all PFT outcomes: obstruction, restriction, and diffusion abnormality.• These results provide evidence that patients with RA should be closely monitored for pulmonary involvement, particularly those with high-titer RF seropositivity.
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Affiliation(s)
- Sicong Huang
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, 60 Fenwood Road, Boston, MA, 02115, USA.
- Harvard Medical School, 25 Shattuck Street, Boston, MA, 02115, USA.
| | - Xintong He
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, 60 Fenwood Road, Boston, MA, 02115, USA
| | - Tracy J Doyle
- Harvard Medical School, 25 Shattuck Street, Boston, MA, 02115, USA
- Division of Pulmonary and Critical Care Medicine, Brigham and Women's Hospital, 75 Francis Street, Boston, MA, 02115, USA
| | - Alessandra Zaccardelli
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, 60 Fenwood Road, Boston, MA, 02115, USA
| | - Allison A Marshall
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, 60 Fenwood Road, Boston, MA, 02115, USA
- Tufts School of Medicine, 145 Harrison Avenue, Boston, MA, 02111, USA
| | - H Maura Friedlander
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, 60 Fenwood Road, Boston, MA, 02115, USA
| | - Rachel B Blaustein
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, 60 Fenwood Road, Boston, MA, 02115, USA
| | - Elisabeth A Smith
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, 60 Fenwood Road, Boston, MA, 02115, USA
| | - Jing Cui
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, 60 Fenwood Road, Boston, MA, 02115, USA
| | - Christine K Iannaccone
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, 60 Fenwood Road, Boston, MA, 02115, USA
| | - Taysir G Mahmoud
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, 60 Fenwood Road, Boston, MA, 02115, USA
| | - Michael E Weinblatt
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, 60 Fenwood Road, Boston, MA, 02115, USA
- Harvard Medical School, 25 Shattuck Street, Boston, MA, 02115, USA
| | - Paul F Dellaripa
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, 60 Fenwood Road, Boston, MA, 02115, USA
- Harvard Medical School, 25 Shattuck Street, Boston, MA, 02115, USA
| | - Nancy A Shadick
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, 60 Fenwood Road, Boston, MA, 02115, USA
- Harvard Medical School, 25 Shattuck Street, Boston, MA, 02115, USA
| | - Jeffrey A Sparks
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, 60 Fenwood Road, Boston, MA, 02115, USA.
- Harvard Medical School, 25 Shattuck Street, Boston, MA, 02115, USA.
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21
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Bemis EA, Norris JM, Seifert J, Frazer-Abel A, Okamoto Y, Feser ML, Demoruelle MK, Deane KD, Banda NK, Holers VM. Complement and its environmental determinants in the progression of human rheumatoid arthritis. Mol Immunol 2019; 112:256-265. [PMID: 31207549 PMCID: PMC7712508 DOI: 10.1016/j.molimm.2019.05.012] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 04/26/2019] [Accepted: 05/29/2019] [Indexed: 12/28/2022]
Abstract
Rheumatoid arthritis (RA) is a complex autoimmune disease with an etiology that is not yet well understood, disproportionally affects women and also varies in incidence and prevalence by population. The presence of anti-citrullinated protein antibodies (ACPA) is a highly specific biomarker for the diagnosis of clinically apparent RA. ACPA are also present in the serum for an average of 3-5 years prior to the onset of RA during an asymptomatic period characterized by mucosal inflammation and local ACPA production at these sites. We hypothesized that systemic complement activation products might be generated during the pre-clinical initiation of RA and/or provide a second hit that promotes subsequent arthritis development in the joints. In addition, we evaluated which demographic and genetic features and environmental exposures could influence the complement activation process. We analyzed plasma from healthy subjects, subjects at-risk for the development of RA based on serum ACPA positivity in absence of inflammatory arthritis (IA), and ACPA positive RA subjects by Multiplex Assay and ELISA for eighteen complement system components, factors and activation products belonging to the classical, lectin and alternative pathways. By using regression models, associations between complement proteins and various demographic, genetic, and environmental factors previously found to be associated with RA, including sex, smoking, shared epitope, and oral contraceptive use, were examined. We found no evidence of systemic complement activation in ACPA positive subjects without IA, but in contrast found evidence of systemic involvement of the both classical and alternative pathways during the stage of the disease where classified RA is present, (i.e. during joint inflammation and damage). With regard to the demographic, genetic, and environmental variables, females who reported current or past oral contraceptive use and subjects with current tobacco exposure demonstrated alterations of the alternative pathway of complement. Furthermore, RA subjects with established disease who have a body mass index categorized as obese demonstrated higher levels of C2 compared to RA subjects who are not considered obese. In sum, the complement system may be involved in the pathogenesis of RA, with only localized mucosal effects during the preclinical period in those at-risk for RA but in the joint as well as systemically in those who have developed clinically apparent arthritis.
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Affiliation(s)
- Elizabeth A Bemis
- Department of Epidemiology, Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, United States
| | - Jill M Norris
- Department of Epidemiology, Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, United States
| | - Jennifer Seifert
- Department of Epidemiology, Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, United States
| | - Ashley Frazer-Abel
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, United States
| | - Yuko Okamoto
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, United States
| | - Marie L Feser
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, United States
| | - M Kristen Demoruelle
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, United States
| | - Kevin D Deane
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, United States
| | - Nirmal K Banda
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, United States.
| | - V Michael Holers
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, United States
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22
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Zaccardelli A, Friedlander HM, Ford JA, Sparks JA. Potential of Lifestyle Changes for Reducing the Risk of Developing Rheumatoid Arthritis: Is an Ounce of Prevention Worth a Pound of Cure? Clin Ther 2019; 41:1323-1345. [PMID: 31196646 PMCID: PMC6684958 DOI: 10.1016/j.clinthera.2019.04.021] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Revised: 03/26/2019] [Accepted: 04/11/2019] [Indexed: 12/11/2022]
Abstract
PURPOSE Lifestyle may be important in the development of rheumatoid arthritis (RA). Therefore, changing behaviors may delay or even prevent RA onset. This article reviews the evidence basis for the associations of lifestyle factors with RA risk and considers future directions for possible interventions to reduce RA risk. METHODS The literature was reviewed for cross-sectional studies, case-control studies, cohort studies, and clinical trials investigating potentially modifiable lifestyle factors and RA risk or surrogate outcomes on the path toward development such as RA-related autoimmunity or inflammatory arthritis. The evidence related to cigarette smoking, excess weight, dietary intake, physical activity, and dental health for RA risk were summarized. FINDINGS Cigarette smoking has the strongest evidence base as a modifiable lifestyle behavior for increased seropositive RA risk. Smoking may increase seropositive RA risk through gene-environment interactions, increasing inflammation and citrullination locally in pulmonary/oral mucosa or systemically, thereby inducing RA-related autoimmunity. Prolonged smoking cessation may reduce seropositive RA risk. Evidence suggests that excess weight can increase RA risk, although this effect may differ according to sex, serologic status, and age at RA onset. TDietary intake may also affect RA risk: overall healthier patterns, high fish/omega-3 polyunsaturated fatty acid consumption, and moderate alcohol intake may reduce RA risk, whereas caffeine and sugar-sweetened soda consumption might increase RA risk. The impact of physical activity is less clear, but high levels may reduce RA risk. Periodontal disease might induce citrullination and RA-related autoimmunity, but the effect of dental hygiene behaviors on RA risk is unclear. Although the effect size estimates for these lifestyle factors on RA risk are generally modest, there may be relatively large public health benefits for targeted interventions given the high prevalence of these unhealthy behaviors. With the exception of smoking cessation, the impact of behavior change of these lifestyle factors on subsequent RA risk has not been established. Nearly all of the evidence for lifestyle factors and RA risk were derived from observational studies. IMPLICATIONS There are many potentially modifiable lifestyle factors that may affect RA risk. Improving health behaviors could have large public health benefits for RA risk given the high prevalence of many of the RA risk-related lifestyle factors. However, future research is needed to establish the effects of lifestyle changes on RA risk or surrogate outcomes such as RA-related autoimmunity or inflammatory arthritis.
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Affiliation(s)
- Alessandra Zaccardelli
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Boston, MA, USA
| | - H Maura Friedlander
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Boston, MA, USA
| | - Julia A Ford
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA
| | - Jeffrey A Sparks
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA.
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