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Zeidler H. [History of reactive arthritis. Historical milestones and future]. Z Rheumatol 2022; 81:692-698. [PMID: 36006472 PMCID: PMC9406267 DOI: 10.1007/s00393-022-01253-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/14/2022] [Indexed: 11/30/2022]
Abstract
The introduction of the term reactive arthritis (ReA) for the joint inflammation observed after infection with Yersinia enterocolitica, in which "a causative pathogen cannot be isolated from the synovial fluid", and the association with the HLA-B27 were the historical milestones for a new classification and assignment to the spondylarthritides (SpA). The division into postinfectious and reactive arthritis proposed in 1976 was put into perspective in the 1990s because of investigations with the newly available molecular biological method of the polymerase chain reaction. Microbial products could be identified from joint samples of patients with ReA. Therefore, it was proposed to abandon the distinction between the two groups of diseases and to prefer the term ReA for both. This created a terminological and nosological issue. On the one hand, there are generally accepted classification and diagnostic criteria for the classical HLA-B27-associated ReA that are assigned to SpA. On the other hand, an increasing number of bacterial pathogens, viruses, amoebas, helminths as well as antiviral and antibacterial vaccinations are described as triggers of arthritis, which have been published under the term ReA. Since the beginning of the SARS-CoV‑2 pandemic, cases of acute post-COVID-19 arthritis have been described, which were also classified as ReA because of comparable clinical features.
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Affiliation(s)
- H Zeidler
- Medizinische Hochschule Hannover, Carl-Neuberg Str. 1, 30625, Hannover, Deutschland.
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Carlin E, Marzo-Ortega H, Flew S. British Association of Sexual Health and HIV national guideline on the management of sexually acquired reactive arthritis 2021. Int J STD AIDS 2021; 32:986-997. [PMID: 34014782 DOI: 10.1177/09564624211020266] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
These guidelines update the 2008 UK guideline for the management of sexually acquired reactive arthritis. The guideline is aimed at those over the age of 16 years, presenting to healthcare professionals working in sexual health services. The recommendations are primarily aimed at services offering level 3 care in sexually transmitted infection management within the United Kingdom. However, the principles will apply to those presenting to level 1 and 2 services, and appropriate local referral pathways will need to be developed.
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Affiliation(s)
- Elizabeth Carlin
- Integrated Sexual Health Service, Sherwood Forest Hospitals NHS Foundation Trust, Mansfield, UK.,Integrated Sexual Health Service, Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - Helena Marzo-Ortega
- NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals Trust, Leeds Institute of Rheumatic and Musculoskeletal Medicine, 246751University of Leeds, Leeds, UK
| | - Sarah Flew
- Integrated Sexual Health Service, Nottingham University Hospitals NHS Trust, Nottingham, UK
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Sharma M, Sharma S, Sharma A, Sharma K. Chlamydia Trachomatis Associated Reactive Arthritis: A Urinary PCR Based Study. Indian Dermatol Online J 2020; 11:21-24. [PMID: 32055503 PMCID: PMC7001391 DOI: 10.4103/idoj.idoj_410_19] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Background and Objective: Chlamydia trachomatis is increasingly being associated with reactive arthritis (ReA). The present study was undertaken to assess the role of C. trachomatis in patients with ReA since such data is lacking from the Indian population. Materials and Methods: PCR using specific primers for C. trachomatis was carried out from urine samples of 65 patients with ReA, 20 of other inflammatory arthritis, and 20 healthy controls. Results: C. trachomatis DNA was detected from urinary samples with PCR in 24 (36%) of 65 ReA patients. PCR was negative in the patients of other inflammatory arthritis as well as in normal healthy control group. Out of the 24 patients with urinary PCR positivity, 14 (58.33%) were males and 10 (41.66%) were females. Conclusion: Urinary PCR plays an important role in rapid diagnosis of ReA associated with C. trachomatis.
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Affiliation(s)
- Megha Sharma
- Department of Medical Microbiology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Susmita Sharma
- Department of Obstetrics and Gynaecology, Adesh Medical College and Hospital, Mohri, Haryana, India
| | - Aman Sharma
- Department of Internal Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Kusum Sharma
- Department of Medical Microbiology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
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4
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Evolving patterns of reactive arthritis. Clin Rheumatol 2019; 38:2083-2088. [PMID: 30919146 DOI: 10.1007/s10067-019-04522-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 03/08/2019] [Accepted: 03/15/2019] [Indexed: 10/27/2022]
Abstract
OBJECTIVE To characterize rheumatologists' perspectives on evolving trends of reactive arthritis (ReA). METHODS After ethics approval, 548 members of the Canadian Rheumatology Association were surveyed with 37 questions covering their demographic information, subspecialty, level of experience, practice setting and opinions on prevalence, treatment, and causes of ReA. Results were analyzed with descriptive statistics. RESULTS Ninety-seven responded to the survey (18% response rate); 66 fully completed it. Nearly half of respondents believed that the incidence of ReA is declining and causes of ReA may be changing. Physicians reported that most of the ReA cases in their practices were caused by an unknown organism, sexually transmitted, or gastrointestinal infection. Full triad ReA increased the chance of recurrence according to their impressions. Common investigations in ReA included inflammatory markers, HLA-B27, chlamydia and gonorrhea testing, stool cultures, synovial fluid analyses, SI joint imaging. ReA treatment included NSAIDs, intra-articular corticosteroid injections, and DMARDs. Two-thirds said they used TNF alpha inhibitors in chronic ReA occasionally or more frequently. CONCLUSION ReA may be decreasing in frequency and severity in Canada. Changes could be due to less food borne illness, cleaner water, or more rapid treatment of sexually transmitted infections. The cause is often unknown in clinical practice.Key Points• Reactive arthritis (ReA) is likely decreasing in prevalence and severity.• Patients with classic trial of arthritis, urethritis, and conjunctivitis are more likely to have recurrent and/or chronic ReA.• The causal organisms are often not detected and seem to be changing over time.
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Freise J, Bernau I, Meier S, Zeidler H, Kuipers JG. Optimized testing for C. trachomatis DNA in synovial fluid samples in clinical practice. Z Rheumatol 2016; 74:824-8. [PMID: 26169749 DOI: 10.1007/s00393-015-1589-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
AIM No standardized polymerase chain reaction (PCR) assay is available for detection of Chlamydia trachomatis (C. tr.) in synovial fluid (SF) for diagnostic use in clinical practice. This study tested the performance of two optimized molecular biology methods, to determine which is best suited for detecting C. tr. in SF clinical samples from patients with various rheumatologic diseases. METHODS Two DNA extraction methods, i.e., (1) alkaline lysis and (2) QIAEX II Gel Extraction Kit® + cetyltrimethylammonium bromide (CTAB; Qiagen, Hilden, Germany), and C. tr.-omp1-152 bp PCR were tested in SF samples from a total of 329 patients with the following diagnoses: reactive arthritis (ReA; n = 10, 4 patients had posturethritic ReA), undifferentiated arthritis (UA; n = 66), rheumatoid arthritis (RA; n = 169), psoriatic arthritis (PSA; n = 12), and osteoarthritis (OA) n = 72. RESULTS In SF samples, C. tr.-omp1-152 bp PCR in combination with alkaline lysis DNA extraction allowed detection of more C. tr.-positive samples: 3/10 (30%) ReA patients (all with posturethritic ReA) and 20/66 (38%) UA patients were positive, compared to the 0/10 (0%) patients with ReA and 1/66 (2%) with UA detected using the QIAEX II Gel Extraction Kit® + CTAB. Moreover, 2/12 (17%) SF samples from PSA patients tested positive with alkaline lysis. All samples from patients with OA and RA tested negative. CONCLUSION Alkaline lysis in combination with C. tr.-omp1-152 bp PCR emerged as the most sensitive method for identification of C. tr. in clinical SF samples.
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Affiliation(s)
- J Freise
- Clinic of Pneumology, Medical School Hannover, Hannover, Germany
| | - I Bernau
- Klinikum Bremen Mitte, Bremen, Germany
| | - S Meier
- Clinic of Immunology and Rheumatology, Medical School Hannover, Hannover, Germany
| | - H Zeidler
- Emeritus, Medical School Hannover, Hannover, Germany
| | - J G Kuipers
- Div. of Rheumatology, Rotes Kreuz Krankenhaus, St. Pauli Deich 24, 28199, Bremen, Germany.
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Eliçabe RJ, Genaro MSD. Immunopathogenesis of reactive arthritis: Role of the cytokines. World J Immunol 2014; 4:78-87. [DOI: 10.5411/wji.v4.i2.78] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2014] [Revised: 05/24/2014] [Accepted: 06/16/2014] [Indexed: 02/05/2023] Open
Abstract
Reactive arthritis (ReA), also known as sterile postinfectious arthritis, belongs to the group of related arthropathies known as spondyloarthritis (SpA). ReA can arise 1-4 wk after a gastrointestinal or genitourinary infection, but once arthritis develops, the microorganism is not found in the joint. The classical microbes associated with ReA development include Gram-negative aerobic or microaerophilic bacteria containing LPS in their outer membrane. The immunopathogenic mechanisms involved in ReA development are still unknown. A hypothesis suggested that the bacteria probably persist outside the joint, at sites such as gut mucosa or lymph nodes, and bacterial antigens might then be transported to the joints. On the other hand, an altered immune response and the unbalanced production of cytokines have been reported in subjects with ReA. Currently, there is increased evidence to suggest that both mechanisms would operate in the immunopathogenesis of ReA. In this review we highlight recent advances on the role of cytokines in the ReA. Particularly, we discuss the roles of some pro- and anti-inflammatory cytokines involved in the immunopathogenesis of ReA.
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Carlin EM, Ziza JM, Keat A, Janier M. 2014 European Guideline on the management of sexually acquired reactive arthritis. Int J STD AIDS 2014; 25:901-12. [DOI: 10.1177/0956462414540617] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- EM Carlin
- Sherwood Forest Hospitals NHS Foundation Trust & Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - JM Ziza
- Groupe Hospitalier Diaconesses Croix-Saint Simon, Paris, France
| | - A Keat
- Northwick Park & St Mark’s NHS Trust, London, UK
| | - M Janier
- STD Clinic Hôpital Saint-Louis AP-HP, Paris, France
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Taylor-Robinson D, Keat A. Observations on Chlamydia trachomatis and other microbes in reactive arthritis. Int J STD AIDS 2014; 26:139-44. [PMID: 24828551 DOI: 10.1177/0956462414533319] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
There are problems in attributing causality in inflammatory arthritis. So far as C. trachomatis and sexually acquired reactive arthritis are concerned, there is much in favour of a causal relationship, although there are important caveats which need to be explored before it is possible to say unreservedly that C. trachomatis plays a causative role in reactive arthritis. For example, micro-organisms have never been cultured from synovial effusions in early disease, and only once has substantial benefit of antimicrobial treatment been reported. The claim that ocular strains of C. trachomatis are of over-riding importance in pathogenesis needs confirmation before it can be accepted. No conclusion can be made about the possibility of other small intracellular bacteria in joints having a role in causing disease. However, if it can be shown that eradication of the micro-organism, which may be difficult to prove, coincides with clinical recovery, it would go some way to recognising causality. In spite of the recognised difficulties, antibiotic studies have an important role in identifying aetiology. They need to focus on very early disease and on eradication of intra-articular bacteria. Treatment of established disease is likely to be less informative. Although a combination of antibiotics might have a future in treating established disease, diagnosing and treating non-gonococcal urethritis as soon as possible should be the aim in order to prevent the development of reactive arthritis.
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Affiliation(s)
- David Taylor-Robinson
- Section of Infectious Diseases, Wright-Fleming Institute, Faculty of Medicine, Imperial College London, London, UK
| | - Andrew Keat
- Department of Rheumatology, Northwick Park Hospital, Middlesex, UK
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9
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Kumar P, Khanna G, Batra S, Sharma VK, Rastogi S. Chlamydia trachomatiselementary bodies in synovial fluid of patients with reactive arthritis and undifferentiated spondyloarthropathy in India. Int J Rheum Dis 2014; 19:506-11. [DOI: 10.1111/1756-185x.12364] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Praveen Kumar
- Microbiology Laboratory; National Institute of Pathology (ICMR); New Delhi India
| | - Geetika Khanna
- Central Institute of Orthopedics (CIO); New Delhi India
- Vardhaman Mahavir Medical College (VMMC) and Safdarjung Hospital; New Delhi India
| | - Sumit Batra
- Central Institute of Orthopedics (CIO); New Delhi India
| | - Vinod K. Sharma
- Central Institute of Orthopedics (CIO); New Delhi India
- Vardhaman Mahavir Medical College (VMMC) and Safdarjung Hospital; New Delhi India
| | - Sangita Rastogi
- Microbiology Laboratory; National Institute of Pathology (ICMR); New Delhi India
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10
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Tarner IH, Albrecht K, Fleck M, Gromnica-Ihle E, Keyßer G, Köhler L, Kötter I, Krüger K, Kuipers J, Nüßlein H, Rubbert-Roth A, Wollenhaupt J, Schneider M, Manger B, Müller-Ladner U. [Evidence-based recommendations for the management of undifferentiated peripheral inflammatory arthritis (UPIA). The German perspective on the international 3e initiative]. Z Rheumatol 2014; 73:363-73. [PMID: 24590079 DOI: 10.1007/s00393-013-1249-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
INTRODUCTION Peripheral arthritis is the most common presenting complaint in clinical rheumatology. Unequivocal identification of the underlying entity can be difficult, particularly at an early stage. Such cases are commonly referred to as undifferentiated peripheral inflammatory arthritis (UPIA). Since evidence-based recommendations for the clinical management of UPIA are lacking, this international 3e initiative convened 697 rheumatologists from 17 countries to develop appropriate recommendations. METHODS Based on a systematic literature research in Medline, EMBASE, Cochrane Library, and the ACR/EULAR abstracts of 2007/2008, 10 multinational recommendations were developed by 3 rounds of a Delphi process. In Germany, a national group of experts worked on 3 additional recommendations using the same method. The recommendations were discussed among the members of the 3e initiative and the degree of consensus was analyzed as well as the potential impact of the recommendations on clinical practice. RESULTS A total of 39,756 references were identified, of which 250 were systematically reviewed for the development of 10 multinational recommendations concerning differential diagnosis, diagnostic and prognostic value of clinical assessments, laboratory tests and imaging techniques, and monitoring of UPIA. In addition, 3 national recommendations on the diagnostic and prognostic value of a response to anti-inflammatory therapy on the analysis of synovial fluid and on enthesitis were developed by the German experts based on 35 out of 5542 references. CONCLUSIONS The article translates the 2011 published original paper of the international 3e initiative (Machado et al., Ann Rheum Dis 70:15-24, 2011) and reports the methods and results of the national vote and the additional 3 national recommendations.
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Affiliation(s)
- I H Tarner
- Abt. für Rheumatologie, Klinische Immunologie, Osteologie und Physikalische Medizin,Kerckhoff-Klinik, Lehrstuhl für Innere Medizin mit Schwerpunkt Rheumatologie, Justus-Liebig-Universität Gießen, Benekestr. 2-8, 61231, Bad Nauheim, Deutschland
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Double-blind, randomized, placebo-controlled study of three-month treatment with the combination of ofloxacin and roxithromycin in recent-onset reactive arthritis. Rheumatol Int 2013; 33:2723-9. [DOI: 10.1007/s00296-013-2794-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2013] [Accepted: 05/30/2013] [Indexed: 01/17/2023]
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Abstract
Certain bacterial infections have been demonstrated to be causative of reactive arthritis. The most common bacterial trigger of reactive arthritis is Chlamydia trachomatis. Chlamydia pneumoniae is another known cause, albeit far less frequently. Although Chlamydia-induced reactive arthritis will often spontaneously remit, approximately 30% of patients will develop a chronic course. Modern medicine has provided rather remarkable advances in our understanding of the chlamydiae, as these organisms relate to chronic arthritis and the delicate balance between host and pathogen. C. trachomatis and C. pneumoniae both have a remarkable ability to disseminate from the initial site of infection and establish persistently viable organisms in distant organ sites, namely the synovial tissue. How these persistent chlamydiae contribute to disease maintenance remains to be fully established, but recent data demonstrating that long-term combination antimicrobial treatment can not only ameliorate the symptoms but eradicate the persistent infection suggest that these chronically infecting chlamydiae are indeed a driving force behind the chronic inflammation. We are beginning to learn that this all appears possible even after an asymptomatic initial chlamydial infection. Both C. trachomatis and C. pneumoniae are a clear cause of chronic arthritis in the setting of reactive arthritis; the possibility remains that these same organisms are culpable in other forms of chronic arthritis as well.
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Affiliation(s)
- John D Carter
- Division of Rheumatology, Department of Internal Medicine , University of South Florida College of Medicine, Tampa, FL 33612, USA.
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Yoshida H, Nishikawa M, Kiyota T, Toyota H, Takakura Y. Increase in CpG DNA-induced inflammatory responses by DNA oxidation in macrophages and mice. Free Radic Biol Med 2011; 51:424-31. [PMID: 21571065 DOI: 10.1016/j.freeradbiomed.2011.04.035] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2011] [Revised: 04/04/2011] [Accepted: 04/19/2011] [Indexed: 10/18/2022]
Abstract
Unmethylated CpG dinucleotide (CpG motif) is involved in the exacerbation of DNA-associated autoimmune diseases. We investigated the effect of DNA containing 8-hydroxydeoxyguanosine (oxo-dG), a representative DNA biomarker for oxidative stress in the diseases, on CpG motif-dependent inflammatory responses. ODN1668 and ODN1720 were selected as CpG-DNA and non-CpG DNA, respectively. Deoxyguanosine in the CpG motif (G9) or outside the motif (G15) of ODN1668 was substituted with oxo-dG to obtain oxo(G9)-1668 and oxo(G15)-1668, respectively. Oxo(G15)-1668 induced a significantly higher amount of tumor necrosis factor (TNF)-α from RAW264.7 macrophage-like cells than ODN1668, whereas oxo(G9)-1668, oxo(G8)-1720, or oxo(G15)-1720 hardly did. CpG DNA-induced TNF-α production was significantly increased by addition of oxo(G8)-1720 or oxo(G15)-1720, but not of ODN1720. This oxo-dG-containing DNA-induced increase in TNF-α production was also observed in primary cultured macrophages isolated from wild-type mice, but not observed in those from Toll-like receptor (TLR)-9 knockout mice. In addition, TNF-α production by ligands for TLR3, TLR4, or TLR7 was not affected by oxo-dG-containing DNA. Then, the footpad swelling induced by subcutaneous injection of ODN1668 into mice was increased by coinjection with oxo(G8)-1720, but not with ODN1720. These results indicate that oxo-dG-containing DNA increases the CpG motif-dependent inflammatory responses, which would exacerbate DNA-related autoimmune diseases.
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Affiliation(s)
- Hiroyuki Yoshida
- Department of Biopharmaceutics and Drug Metabolism, Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshidashimoadachi-cho 46–29, Sakyo-ku, Kyoto 606–8501, Japan.
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Carter JD. Bacterial agents in spondyloarthritis: a destiny from diversity? Best Pract Res Clin Rheumatol 2011; 24:701-14. [PMID: 21035090 DOI: 10.1016/j.berh.2010.05.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The spondyloarthritides (SpAs) are a group of diseases that share clinical, radiographic and laboratory features; these arthritides also display a tendency for family aggregation. Given the intimate relationship that these types of arthritis share, it suggests that the SpAs might share a common aetiology. Of all the SpAs, the role of bacteria is most clearly defined in reactive arthritis. Tremendous recent insights into the pathophysiology of reactive arthritis have been made, demonstrating that the causative bacteria play a much more complex role than previously thought. The bacteria that are proven to cause reactive arthritis, one of the five types of SpA, will be reviewed and their role in the pathophysiology of reactive arthritis will be examined. The speculative data suggesting links between various other bacteria and the other types of SpAs will be critically analysed. Although these data are not definitive, when viewed using the paradigm that the SpAs might actually represent a common end point from several diverse starting points, they are provocative, suggesting that bacteria might, indeed, be aetiological for the entire group of SpAs.
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Affiliation(s)
- John D Carter
- Department of Internal Medicine, University of South Florida, Division of Rheumatology, Tampa, FL 33612, USA.
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16
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Loyola-Rodriguez JP, Martinez-Martinez RE, Abud-Mendoza C, Patiño-Marin N, Seymour GJ. Rheumatoid arthritis and the role of oral bacteria. J Oral Microbiol 2010; 2. [PMID: 21523217 PMCID: PMC3084578 DOI: 10.3402/jom.v2i0.5784] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Rheumatoid arthritis (RA) and periodontal disease (PD) have shown similar physiopathologic mechanisms such as chronic inflammation with adjacent bone resorption in an immunogenetically susceptible host; however, PD has a well-recognized bacterial etiology while the cause of RA is unclear. Some reports have indicated that an infectious agent in a susceptible host could be one possible trigger factor for RA, and it has been suggested that oral microorganisms, specialty periodontal bacteria could be the infectious agent (mainly Porphyromonas gingivalis). It has been reported that PD is more frequent and more severe in patients with RA, suggesting a positive association between both diseases. There have been reports regarding the detection of antibodies against periodontal bacteria while other studies have identified periodontal bacterial DNA in serum and synovial fluid of RA patients and have explored the possible pathways of transport of periodontal bacterial DNA. In conclusion, there is no question that RA and PD have pathologic features in common and there is strong evidence of an association between both diseases, but further studies, including experimental models, are needed to demonstrate the arthritogenicity of oral microorganisms.
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Affiliation(s)
- Juan Pablo Loyola-Rodriguez
- Master's degree in Dental Science Program with specialization in Advanced General Dentistry, Faculty of Dentistry
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Owlia MB, Eley AR. Is the role of Chlamydia trachomatis underestimated in patients with suspected reactive arthritis? Int J Rheum Dis 2010; 13:27-38. [PMID: 20374382 DOI: 10.1111/j.1756-185x.2009.01446.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Reactive arthritis is usually caused by bacteria of either the enteric or genital tracts. In the genital tract, Chlamydia trachomatis is perhaps the only aetiological agent. In Iran, newer evidence suggests that as C. trachomatis is more commonly found in the general population than was previously believed, its role in reactive arthritis may well be currently overlooked. In this review, as well as emphasizing the potential role of C. trachomatis in reactive arthritis in patients from developing countries, we also make recommendations for further clinical studies to determine its prevalence. Moreover, we also stress the need for standardization of new testing methodologies for C. trachomatis, including the use of new commercial systems in an attempt to determine a truer picture of chlamydial infection in reactive arthritis.
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Freise J, Bernau I, Meier S, Zeidler H, Kuipers JG. Detection of Chlamydia trachomatis-DNA in synovial fluid: evaluation of the sensitivity of different DNA extraction methods and amplification systems. Arthritis Res Ther 2009; 11:R175. [PMID: 19930584 PMCID: PMC3003517 DOI: 10.1186/ar2864] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2009] [Revised: 10/14/2009] [Accepted: 11/21/2009] [Indexed: 11/10/2022] Open
Abstract
INTRODUCTION Polymerase chain reaction (PCR) and ligase chain reaction (LCR) are used in research for detection of Chlamydia trachomatis (C. tr.) in synovial fluid (SF). However there is no standardized system for diagnostic use in clinical practice, therefore this study aimed at determining the molecular biology method best suited to detect C. tr. from SF. METHODS SF samples were spiked with C. tr. elementary bodies (EB) and human peripheral blood monocytes (PBMo) persistently infected with C. tr. in vitro to evaluate the sensitivity of different molecular biology methods and assays. Five different DNA-extraction methods were tested: 1) Alkaline lysis, 2) QIAex II Gel Extraction Kit+ CTAB, 3) Chelex-extraction, 4) QIAmp Tissue Kit and 5) QIAmp DNA Stool Kit. All DNA extracts were subjected to 5 different DNA amplification systems to detect C. tr.- DNA in the spiked SF samples: two C. tr. -omp1-- directed PCR, one C. tr.-plasmid-PCR, one C. tr. -16s RNA directed PCR, and one commercially available LCR (LCX), Abbott laboratories). RESULTS In SF samples spiked with C. tr.-EB and with C. tr.-PBMo, alkaline lysis, detecting 1 C. tr.-EB/ml SF, 0,1 C. tr.-PBMo/ml SF and QIAmp gel extraction kit+ CTAB detecting 0,1 C. tr. -EB/ml SF, 1 C. tr.-PBMo/ml, respectively, allowed most sensitive detection of the organism in combination with the C. tr.- omp1-(152 bp) PCR. Sensitivity decreased in all methods after storage of the DNA of C. tr.- dilution series at -20 degrees C for 4 months by at least one log phase. CONCLUSIONS The sensitivity to detect C. tr.- DNA from SF is highly dependent on the DNA extraction method and the detection system applied. Alkaline lysis as well as the QIAmp Gel extraction kit + CTAB in combination with C. tr.- omp1 - (152 bp) PCR evolved as the most sensitive methods to identify C. tr. in serial dilutions.
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Affiliation(s)
- Julia Freise
- Division of Pneumology, Hannover Medical School, Carl-Neuberg Strasse 1, Hannover, 30625, Germany.
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Gérard HC, Whittum-Hudson JA, Carter JD, Hudson AP. Molecular biology of infectious agents in chronic arthritis. Rheum Dis Clin North Am 2009; 35:1-19. [PMID: 19480994 DOI: 10.1016/j.rdc.2009.03.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Severe and chronic inflammatory arthritis sometimes follows urogenital infection with Chlamydia trachomatis or gastrointestinal infection with enteric bacterial pathogens. A similar clinical entity can be elicited by the respiratory pathogen Chlamydophila (Chlamydia) pneumoniae. Arthritogenesis does not universally require viable enteric bacteria in the joint. In arthritis induced by either of the chlamydial species, organisms are viable and metabolically active in the synovium. They exist in a "persistent" state of infection. Conventional antibiotic treatment of patients with Chlamydia-induced arthritis is largely ineffective. The authors outline the current understanding of the molecular genetic and biologic aspects underlying bacterially-induced joint pathogenesis, available information regarding host-pathogen interaction at that site, and several directions for future study to inform development of more effective therapies.
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Affiliation(s)
- Hervé C Gérard
- Department of Immunology and Microbiology, Wayne State University School of Medicine, 540 East Canfield Avenue, Detroit, MI 48201, USA.
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Inman RD, Chiu B. Heavy metal exposure reverses genetic resistance to Chlamydia-induced arthritis. Arthritis Res Ther 2009; 11:R19. [PMID: 19203382 PMCID: PMC2688251 DOI: 10.1186/ar2610] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2008] [Revised: 12/19/2008] [Accepted: 02/09/2009] [Indexed: 11/10/2022] Open
Abstract
INTRODUCTION We have previously observed that Brown Norway (BN) rats display a relative resistance to experimental Chlamydia-induced arthritis. In the present study, we examine an environmental toxin, mercuric chloride (HgCl2), as a modulator of this innate resistance to arthritis. METHODS To assess the effect of the heavy metal exposure, one group of rats received two subcutaneous injections of HgCl2 (1 mg/kg) 48 hours apart. Seven days later, the animals received the intra-articular injection of synoviocyte-packaged Chlamydia. RESULTS Histopathology revealed that BN rats receiving only Chlamydia had a minimal cellular infiltration in the joint, which was predominantly mononuclear in character. In contrast, mercury-exposed rats had a marked exacerbation of the histopathological severity of the arthritis, and the infiltration was predominantly neutrophilic. Mercury exposure was also associated with marked enhancement in IgE levels and an alteration in IgG2a/IgG1 ratio, reflecting a Th2 shift. The local cytokine profile in the joint was markedly altered after mercury exposure, with a suppression of tumour necrosis factor-alpha and interferon-gamma but an enhancement of vascular endothelial growth factor. This was associated with decreased host clearance capacity reflected in enhanced bacterial load in both the spleen and the joint and was accompanied by enhanced detection of microbial antigens in the synovial tissues by immunohistological staining. CONCLUSIONS Genetically defined cytokine production in the joint defines the severity of reactive arthritis by dictating the local clearance of the pathogen. This interplay can be altered dramatically by heavy metal exposure, which results in suppression of protective cytokines in the microenvironment of the joint.
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Affiliation(s)
- Robert D Inman
- Division of Genes and Development, Toronto Western Research Institute, 399 Bathurst Street, Toronto, ON M5T2S8, Canada.
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Kuipers JG, Sibilia J, Bas S, Gaston H, Granfors K, Vischer TL, Hajjaj-Hassouni N, Ladjouze-Rezig A, Sellami S, Wollenhaupt J, Zeidler H, Schumacher HR, Dougados M. Reactive and undifferentiated arthritis in North Africa: use of PCR for detection of Chlamydia trachomatis. Clin Rheumatol 2008; 28:11-6. [PMID: 18688674 DOI: 10.1007/s10067-008-0968-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2008] [Revised: 06/02/2008] [Accepted: 07/01/2008] [Indexed: 11/29/2022]
Abstract
Little is known about the possible role of Chlamydia in patients with reactive or unclassified arthritis in North Africa. This study used polymerase chain reaction (PCR) to survey this population. In addition, we compared the results in three different laboratories for PCR analyses for Chlamydia trachomatis (Ct) in synovial fluid (SF) and tissue (ST) from these North African patients with reactive arthritis (ReA), undifferentiated arthritis (UA), and in rheumatoid arthritis (RA) and osteoarthritis (OA). Eight ReA (six posturethritic, two postenteritic), 23 UA, 13 OA, and 12 RA patients were studied in Algeria, Morocco, and Tunisia. Serum, SF, and ST were obtained from each patient. Ct-PCR was performed in the three different laboratories and compared to Ct-serology [microimmunofluorescence (MIF) and anti-hsp60 enzyme-linked immunosorbent assay (ELISA)] performed in one laboratory. The rate of Ct-PCR positivity in SF/ST was low: none out of the eight ReA and three out of 23 UA patients. In the controls, Ct DNA was detected in two OA SF and in one RA SF. There was no concordance for Ct-PCR positivity between the three laboratories. MIF suggested previous Ct infection (IgG-positive) in two out of five posturethritic ReA, none out of one postenteritic ReA, one out of 17 UA, and nine out of 21 RA/OA patients tested. No MIF-positive patient was PCR-positive from SF or ST. However, anti-hsp60 IgG was detected in all four out of four patients positive by PCR and in 11 out of 44 PCR-negative patients (p = 0.002). In this multinational comparative study, the rate of Ct-PCR-positive synovial specimens in North African ReA/UA patients was low. Concordance among the three PCR testing laboratories was poor indicating the need for test standardization. All Ct-PCR-positive patients were found positive by anti-hsp60 IgG serology.
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Affiliation(s)
- J G Kuipers
- Department of Rheumatology, Rotes Kreuz Krankenhaus, Bremen, Germany.
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Siala M, Jaulhac B, Gdoura R, Sibilia J, Fourati H, Younes M, Baklouti S, Bargaoui N, Sellami S, Znazen A, Barthel C, Collin E, Hammami A, Sghir A. Analysis of bacterial DNA in synovial tissue of Tunisian patients with reactive and undifferentiated arthritis by broad-range PCR, cloning and sequencing. Arthritis Res Ther 2008; 10:R40. [PMID: 18412942 PMCID: PMC2453759 DOI: 10.1186/ar2398] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2007] [Revised: 03/18/2008] [Accepted: 04/14/2008] [Indexed: 01/24/2023] Open
Abstract
Introduction Bacteria and/or their antigens have been implicated in the pathogenesis of reactive arthritis (ReA). Several studies have reported the presence of bacterial antigens and nucleic acids of bacteria other than those specified by diagnostic criteria for ReA in joint specimens from patients with ReA and various arthritides. The present study was conducted to detect any bacterial DNA and identify bacterial species that are present in the synovial tissue of Tunisian patients with reactive arthritis and undifferentiated arthritis (UA) using PCR, cloning and sequencing. Methods We examined synovial tissue samples from 28 patients: six patients with ReA and nine with UA, and a control group consisting of seven patients with rheumatoid arthritis and six with osteoarthritis (OA). Using broad-range bacterial PCR producing a 1,400-base-pair fragment from the 16S rRNA gene, at least 24 clones were sequenced for each synovial tissue sample. To identify the corresponding bacteria, DNA sequences were compared with sequences from the EMBL (European Molecular Biology Laboratory) database. Results Bacterial DNA was detected in 75% of the 28 synovial tissue samples. DNA from 68 various bacterial species were found in ReA and UA samples, whereas DNA from 12 bacteria were detected in control group samples. Most of the bacterial DNAs detected were from skin or intestinal bacteria. DNA from bacteria known to trigger ReA, such as Shigella flexneri and Shigella sonnei, were detected in ReA and UA samples of synovial tissue and not in control samples. DNA from various bacterial species detected in this study have not previously been found in synovial samples. Conclusion This study is the first to use broad-range PCR targeting the full 16S rRNA gene for detection of bacterial DNA in synovial tissue. We detected DNA from a wide spectrum of bacterial species, including those known to be involved in ReA and others not previously associated with ReA or related arthritis. The pathogenic significance of some of these intrasynovial bacterial DNAs remains unclear.
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Affiliation(s)
- Mariam Siala
- Laboratoire de Recherche 'Micro-organismes et Pathologie Humaine', EPS Habib Bourguiba, Rue El Ferdaous, 3029 Sfax, Tunisie.
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Abstract
Reactive arthritis is an important cause of lower limb oligoarthritis, mainly in young adults. It is one of the spondyloarthropathy family; it is distinguishable from other forms of inflammatory arthritis by virtue of the distribution of affected sites and the high prevalence of characteristic extra-articular lesions. Many terms have been used to refer to this and related forms of arthritis leading to some confusion. Reactive arthritis is precipitated by an infection at a distant site and genetic susceptibility is marked by possession of the HLA-B27 gene, although the mechanism remains uncertain. Diagnosis is a two stage process and requires demonstration of a temporal link with a recognised "trigger" infection. The identification and management of "sexually acquired" and "enteric" forms of reactive arthritis are considered. Putative links with HIV infection are also discussed. The clinical features, approach to investigation, diagnosis, and management of reactive arthritis are reviewed.
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Affiliation(s)
- S S Hamdulay
- Department of Rheumatology, Northwick Park Hospital, Harrow, Middlesex, UK.
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Lacoste MG, Tamashiro H, Correa SG, de Guzmán AMS, Di Genaro MS. Correlation between Yersinia enterocolitica and type I collagen reactivity in patients with arthropathies. Rheumatol Int 2006; 27:613-20. [PMID: 17143598 DOI: 10.1007/s00296-006-0274-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2006] [Accepted: 11/12/2006] [Indexed: 10/23/2022]
Abstract
We investigated the association with Yersinia infection in patients with arthropathies in our region. To assess the reactivity to articular antigens, the correlation of anti-Yersinia with anti-type I and type II collagen antibodies was studied. Sera from 124 patients with musculoskeletal symptoms, and 47 synovial fluids (SF) from patients with rheumatoid arthritis (RA), spondyloarthopathies (SpA) or osteoarthritis (OA) were examined. Immunoglobulins against Yersinia enterocolitica, type I and type II collagens were determined by enzyme-linked immunosorbent assay. Immunoglobulin (Ig) A to Yersinia lipopolysaccharide (LPS) was present in 13/124 sera (10%) and 3/47 SF (6%). By Western blot, IgA to Yersinia outer proteins (Yops) was found in 14/124 sera (11%) and 2/47 SF (4%). Yersinia DNA from SF was not amplified by polymerase chain reaction. We found a significant correlation with anti-collagen type I but not type II antibodies. These results suggest different reactivity to articular collagen in patients with Yersinia antibodies.
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Affiliation(s)
- María G Lacoste
- Laboratory of Microbiology; Chemistry, Biochemistry and Pharmacy Faculty, National University of San Luis, Chacabuco y Pedernera, San Luis 5700, Argentina
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Cuchacovich R. Clinical Applications of the Polymerase Chain Reaction: An Update. Infect Dis Clin North Am 2006; 20:735-58, v. [PMID: 17118288 DOI: 10.1016/j.idc.2006.09.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The development, in the past decade, of nucleic acid amplification and detection methods is useful in the study of the etiopathogenesis, diagnosis, and management of a variety of clinical (including rheumatologic) disorders. An association between infectious agents and rheumatic disorders has been established through such methods as polymerase chain reaction. This article describes the principles behind polymerase chain reaction-based diagnosis and updates its clinical applications. It is beyond the scope of this article, however, to describe other nucleic acid amplification methods or to include a complete list of all polymerase chain reaction assays that have been developed. Other recent reviews offer additional details.
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Affiliation(s)
- Raquel Cuchacovich
- Section of Rheumatology, Department of Medicine, Louisiana State University Health Sciences Center, 1542 Tulane Avenue, New Orleans, LA 70112, USA.
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Hannu T, Inman R, Granfors K, Leirisalo-Repo M. Reactive arthritis or post-infectious arthritis? Best Pract Res Clin Rheumatol 2006; 20:419-33. [PMID: 16777574 DOI: 10.1016/j.berh.2006.02.003] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
The term 'reactive arthritis' was first used in 1969 to describe the development of sterile inflammatory arthritis as a sequel to remote infection, often in the gastrointestinal or urogenital tract. The demonstration of antigenic material (e.g. Salmonella and Yersinia lipopolysaccharide), DNA and RNA, and, in occasional cases, evidence of metabolically active Chlamydia spp. in the joints has blurred the boundary between reactive and post-infectious forms of arthritis. No validated and generally agreed diagnostic criteria exist, but the diagnosis of reactive arthritis is mainly clinical based on acute oligoarticular arthritis of larger joints that develops within 2-4 weeks of the preceding infection. In about 25% of patients, the infection can be asymptomatic. Diagnosis of the triggering infection is very helpful for the diagnosis of reactive arthritis. This is mainly achieved by isolating the triggering infection (stools, urogenital tract) by cultures (stool cultures for enteric microbes) or ligase reaction (Chlamydia trachomatis). However, after the onset of arthritis, this is less likely to be possible. Therefore, the diagnosis must rely on various serological tests to demonstrate evidence of previous infection, but, these serological tests are unfortunately not standardized. Treatment with antibiotics to cure Chlamydia infection is important, but the use of either short or prolonged courses of antibiotics in established arthritis has not been found to be effective for the cure of arthritis. The long-term outcome of reactive arthritis is usually good; however, about 25-50% of patients, depending on the triggering infections and possible new infections, subsequently develop acute arthritis. About 25% of patients proceed to chronic spondyloarthritis of varying activity.
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Affiliation(s)
- Timo Hannu
- Division of Rheumatology, Department of Medicine, Helsinki University Central Hospital, Helsinki, Finland.
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Inman RD, Chiu B. Early cytokine profiles in the joint define pathogen clearance and severity of arthritis inChlamydia-induced arthritis in rats. ACTA ACUST UNITED AC 2006; 54:499-507. [PMID: 16447224 DOI: 10.1002/art.21643] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
OBJECTIVE Although Chlamydia trachomatis-induced arthritis is among the most common rheumatic diseases having an identified infectious trigger, the pathogenesis of this arthritis is not well defined. We sought to investigate the host-microbe interactions that contribute to the severity of arthritis initiated by chlamydial infection. METHODS We established an experimental rat model of C. trachomatis-induced arthritis that recapitulates many pathologic features of the clinical disease. The severity of the arthritis was defined using an established histopathologic scoring system. Host clearance of the pathogen and local cytokine production were examined by enzyme-linked immunosorbent assays. RESULTS Lewis rats were susceptible to C. trachomatis-induced arthritis, whereas BN rats were relatively resistant to this disease. Significant differences in the histopathologic severity of arthritis were originally observed on day 21, and this prompted an examination of the acute phase of the arthritis. As early as day 5 after the onset of the arthritis, pathologic changes in Lewis rats were more severe than those in BN rats. An evaluation of the role of complement using cobra venom factor treatment excluded complement as being the key to differential sensitivity, because decomplementation did not eliminate the differences in arthritis severity between Lewis and BN rats. Host clearance, in contrast, was significantly different between the rat strains, with BN rats showing more prompt and effective clearance of the pathogen from both synovial tissues and spleen compared with Lewis rats. Local cytokine profiles demonstrated that host resistance was characterized by enhanced synovial expression of tumor necrosis factor alpha, interferon-gamma (IFNgamma), and interleukin-4. CONCLUSION These studies demonstrated that cytokines thought to be proinflammatory in nature can play an important role in host defense in infection-triggered arthritis and serve to highlight the dynamic cytokine relationships that constitute effective host-pathogen interactions.
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Affiliation(s)
- Robert D Inman
- Toronto Western Research Institute, University of Toronto, Toronto, Ontario, Canada.
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Abstract
Reactive arthritis (ReA) was known as Reiter's disease or Fiessinger-Leroy disease for nearly 100 years. However, during the past 30 years the disease has been known as reactive arthritis, a member of the spondyloarthritis family. Despite knowing the initiating event (infection) and genetic constitution (many patients have HLA-B27) of ReA, a model of interplay between environment and genetics, its pathogenesis is still incompletely known. This review covers the epidemiology, clinical features, treatment, and prognosis of ReA.
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Affiliation(s)
- M Leirisalo-Repo
- Division of Rheumatology, Department of Medicine, Helsinki University Central Hospital, Helsinki, Finland.
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Bjersing JL, Tarkowski A, Kandimalla ER, Karlsson H, Agrawal S, Collins LV. Impact of site-specific nucleobase deletions on the arthritogenicity of DNA. Inflammation 2005; 28:159-68. [PMID: 15527171 DOI: 10.1023/b:ifla.0000039562.30451.0a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Oligodeoxynucleotides (ODN) containing unmethylated CpG motifs (CpG ODN) potently stimulate the innate and acquired immune system. We have compared the in vivo and in vitro inflammatogenic properties of CpG ODNs containing a specific nucleobase deletion either 5'-upstream (ODN-2) or 3'-downstream (ODN-3) of the CpG motif, comparing with a prototype CpG ODN (ODN-1). The frequency of arthritis was similar after intra-articular (i.a.) injections of ODN-1 or ODN-3, but was significantly lower (p < 0.02) after i.a. injections of ODN-2. In vitro production of the pro-inflammatory cytokine TNF-alpha was higher in mouse spleen cell cultures exposed to ODN-2 in comparison to ODN-1. In addition, the level of IL-10 induced by ODN-2 was higher than that induced by ODN-1. On the other hand, TNF-alpha, IL-10, and MCP-1 levels, as well as splenocyte proliferative responses were all significantly lower for ODN-3 than for ODN-1. These results suggest that a 5'-upstream nucleobase deletion reduces arthritogenicity, while maintaining or increasing the production of pro- and anti-inflammatory factors. In contrast, a 3'-downstream nucleobase deletion has no effect on arthritogenicity, despite significantly lower levels of proliferation and pro- and anti-inflammatory cytokines, compared with ODN-1. This study indicates that specific structural elements within the ODN sequence but outside the CpG motif, modulate the immunostimulatory properties of CpG ODNs.
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Affiliation(s)
- Jan L Bjersing
- Department of Rheumatology and Inflammation Research, University of Göteborg, Göteborg, Sweden.
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Mahdi OS, Byrne GI, Kalayoglu M. Emerging strategies in the diagnosis, prevention and treatment of chlamydial infections. Expert Opin Ther Pat 2005. [DOI: 10.1517/13543776.11.8.1253] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Liang TC, Hsu CT, Yang YH, Lin YT, Chiang BL. Analysis of childhood reactive arthritis and comparison with juvenile idiopathic arthritis. Clin Rheumatol 2004; 24:388-93. [PMID: 16034649 DOI: 10.1007/s10067-004-1042-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2004] [Accepted: 10/18/2004] [Indexed: 11/24/2022]
Abstract
There is currently no agreement on how to classify and diagnose reactive arthritis (ReA) and what kind of clinical and laboratory findings are specific for the diagnosis. This study retrospectively analyzed the initial clinical manifestations and laboratory findings in children diagnosed with ReA and juvenile idiopathic arthritis (JIA). A comparison was also made between these two groups to see if there were differences. A retrospective chart review was performed and 44 patients diagnosed with ReA and 80 patients with JIA were enrolled in this study. Their initial clinical manifestations and laboratory findings were also analyzed and compared. The initial clinical manifestations in ReA were analyzed including the demographic data, the preceding infection history, the duration of the infectious episode to the onset of arthritis, the duration of arthritic symptoms, and the involved joint pattern. Comparison of the initial laboratory findings between patients with ReA and JIA showed significant differences between erythrocyte sedimentation rates (ESR) in the first hour, platelet counts (p < 0.05), and ESR in the second hour (p = 0.052). Further, comparing ReA with the subtypes of JIA, significant differences were noted between ReA and the systemic type in terms of hemoglobin level, platelet counts, C-reactive protein, and first and second hour ESR (p < 0.05). However, if compared with the polyarticular or pauciarticular type, only the platelet counts showed any significant statistical difference (p < 0.05). This study summarizes clinical experiences in ReA. The differences in laboratory findings of ReA and JIA may provide a clue in making a differential diagnosis.
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Affiliation(s)
- Tien-Chi Liang
- Department of Pediatrics, National Taiwan University Hospital, Taipei, Republic of China
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Colmegna I, Cuchacovich R, Espinoza LR. HLA-B27-associated reactive arthritis: pathogenetic and clinical considerations. Clin Microbiol Rev 2004; 17:348-69. [PMID: 15084505 PMCID: PMC387405 DOI: 10.1128/cmr.17.2.348-369.2004] [Citation(s) in RCA: 120] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Current evidence supports the concept that reactive arthritis (ReA) is an immune-mediated synovitis resulting from slow bacterial infections and showing intra-articular persistence of viable, non-culturable bacteria and/or immunogenetic bacterial antigens synthesized by metabolically active bacteria residing in the joint and/or elsewhere in the body. The mechanisms that lead to the development of ReA are complex and basically involve an interaction between an arthritogenic agent and a predisposed host. The way in which a host accommodates to invasive facultative intracellular bacteria is the key to the development of ReA. The details of the molecular pathways that explain the articular and extra-articular manifestations of the disease are still under investigation. Several studies have been done to gain a better understanding of the pathogenesis of ReA; these constitute the basis for a more rational therapeutic approach to this disease.
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Affiliation(s)
- Inés Colmegna
- Section of Rheumatology, Department of Medicine, LSU Health Science Center, New Orleans, Louisiana 70112, USA
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Zhang X, Pacheco-Tena C, Inman RD. Microbe hunting in the joints. ARTHRITIS AND RHEUMATISM 2003; 49:479-82. [PMID: 12910552 DOI: 10.1002/art.11186] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Abstract
Because the bacterial cause of CIA has been identified and proven to persist at the site of inflammation, the understanding of how Chlamydia cause arthritis has made much progress. The site of entry and the route of dissemination have been identified, the molecular state of persistence is increasingly described, some mechanisms of how Chlamydia can persist despite an actively reacting immune system have been identified, and data regarding how persistent Chlamydia induce inflammation have been obtained. What needs to be achieved in the future--in addition to better understanding the molecular basis of persistence--is to reveal how persisting bacteria can be eliminated. If this information is insufficient for a cure of the disease, it must be determined how the inflammation can be treated more specifically and effectively to cure CIA early and prevent the development of chronic forms that develop into spondyloarthritis.
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Affiliation(s)
- Jens G Kuipers
- Division of Rheumatology, Department of Medicine, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625 Hannover, Germany.
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35
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Kuon W, Sieper J. Identification of HLA-B27-restricted peptides in reactive arthritis and other spondyloarthropathies: computer algorithms and fluorescent activated cell sorting analysis as tools for hunting of HLA-B27-restricted chlamydial and autologous crossreactive peptides involved in reactive arthritis and ankylosing spondylitis. Rheum Dis Clin North Am 2003; 29:595-611. [PMID: 12951870 DOI: 10.1016/s0889-857x(03)00050-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The illustrated clinical and experimental results demonstrate the strong relationship between the MHC class I antigen HLA-B27 and synovial CD8+ T cells with specificity for bacterial and possible self-antigen in SpA. These new aspects obtained in recent experimental and clinical studies might also provide clues to the pathomechanisms of joint inflammation in SpA. In particular, the newly developed techniques will be of great relevance in the near future. New and more precise bioalgorithms reflecting new insights in the biology and biochemistry of proteins as recently presented [98, 99] can be helpful (e.g., a program with an improved prediction of the features of immunoproteasomes). Intracellular and secreted cytokine staining by FACScan allows examination of a great number of cells expressing certain antigens in response to certain stimuli. The analysis of T-cell responses with tetramer/peptide complexes can be useful to screen tissue sections for TCR, recognizing foreign or self-derived epitopes on those complexes loaded with selected (e.g., bacterial) peptides. Identification of arthritogenic peptides and a further understanding of the immunology of the pathomechanisms in SpA might open ways to design new peptide vaccines to prevent inflammation, autoimmunity, and other diseases by early intervention [100].
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Affiliation(s)
- Wolfgang Kuon
- Section of Rheumatology, FU-Klinikum Benjamin Franklin, Berlin Hindenburgdamm 30, 12200 Berlin, Germany.
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Yeo SJ, Gravis D, Yoon JG, Yi AK. Myeloid differentiation factor 88-dependent transcriptional regulation of cyclooxygenase-2 expression by CpG DNA: role of NF-kappaB and p38. J Biol Chem 2003; 278:22563-73. [PMID: 12695520 DOI: 10.1074/jbc.m302076200] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
CpG DNA induces macrophage cyclooxgenase-2 (Cox-2) production. In this study, we have investigated a biochemical signaling pathway and transcription factors responsible for transcriptional regulation of the Cox-2 gene expression induced by CpG DNA. CpG DNA-induced Cox-2 promoter activity was completely inhibited by an endosomal acidification inhibitor (chloroquine), a TLR9 antagonist inhibitory CpG DNA, or overexpression of a dominant negative (DN) form of MyD88. In contrast, overexpression of DN-IRAK1 or DN-TRAF6 only partially inhibited CpG DNA-induced Cox-2 promoter activity and NF-kappaB activation, indicating the presence of additional signaling modulators downstream of MyD88. CpG DNA-induced Cox-2 promoter activity was substantially suppressed in cells overexpressing super-suppressive IkappaB (IkappaB-arachidonic acid), DN-p38, or DN-CREB. In addition, Cox-2 promoter-luciferase reporters with alterations in predicted cis-acting transcriptional regulatory elements revealed that C/EBP, Ets-1, NF-kappaB, and CREB-binding sites are essential for optimal Cox-2 expression in response to CpG DNA. Conclusively, these results demonstrate that endosomal DNA processing and TLR9/MyD88-dependent activation of NF-kappaB and p38 are required for transcriptional regulation of Cox-2 expression induced by CpG DNA, and suggest that interleukin-1 receptor-associated kinase and/or TRAF6 may be a diverging point for NF-kappaB activation in response to CpG DNA in RAW264.7 cells.
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Affiliation(s)
- Seon-Ju Yeo
- Children's Foundation Research Center at Le Bonheur Children's Medical Center, Department of Pediatrics, University of Tennessee Health Science Center, Memphis, Tennessee 38103, USA
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Chen T, Rimpiläinen M, Luukkainen R, Möttönen T, Yli-Jama T, Jalava J, Vainio O, Toivanen P. Bacterial components in the synovial tissue of patients with advanced rheumatoid arthritis or osteoarthritis: analysis with gas chromatography-mass spectrometry and pan-bacterial polymerase chain reaction. ARTHRITIS AND RHEUMATISM 2003; 49:328-34. [PMID: 12794787 DOI: 10.1002/art.11119] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
OBJECTIVE To study the presence of bacterial components in the synovial tissue (ST) of patients with advanced rheumatoid arthritis (RA). METHODS ST was collected during joint surgery from 41 RA patients. Tissue from 39 patients with osteoarthritis (OA), 4 patients with undifferentiated inflammatory arthritis (UA), and 3 cases of accidental deaths served as controls. The pan-bacterial polymerase chain reaction (PCR) with primers for the 23S ribosomal RNA (rRNA) and 16S rRNA genes was used to detect bacterial DNA. In addition, synovial fluid (SF) samples from patients with chlamydial reactive arthritis (ReA) were also examined by the same method. The positive controls, bacterial DNA or ST spiked with different living bacteria, were analyzed alongside clinical samples. Most of the ST samples were also analyzed by gas chromatography-mass spectrometry (GC-MS) for determining the presence of bacteria-derived muramic acid. Strict precautions were followed in the clinics and the laboratory to prevent contamination. RESULTS In GC-MS analysis, muramic acid was observed in the ST from 4 of 35 RA patients and from 2 of 14 OA patients, but not in ST from 2 patients with UA and 3 cadavers. Bacterial DNA was not detected by either one of the PCR primers used in ST from 42 patients with RA and 39 patients with OA. However, 5 of 15 SF samples from ReA patients were PCR positive. The sensitivity of GC-MS to detect muramic acid was 2 pg/injected amount (227 pg muramic acid/mg ST), and that of the pan-bacterial PCR was 2-20 bacteria colony forming units/reaction. CONCLUSION These results indicate that a bacterial component, muramic acid, is detectable by GC-MS in ST from a few patients with advanced RA or OA. However, no bacterial DNA was detectable by PCR.
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Affiliation(s)
- Tong Chen
- Department of Medical Microbiology, Turku University, Turku, Finland.
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Hanada H, Ikeda-Dantsuji Y, Naito M, Nagayama A. Infection of human fibroblast-like synovial cells with Chlamydia trachomatis results in persistent infection and interleukin-6 production. Microb Pathog 2003; 34:57-63. [PMID: 12623273 DOI: 10.1016/s0882-4010(02)00189-4] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Recent studies have shown that the urogenital pathogen Chlamydia trachomatis to be a major bacterium triggering reactive arthritis (ReA), and is able to induce interleukin-6 (IL-6) production in human fibroblast-like synovial cells (FSC) in vitro. In the present study, we examined the correlation between IL-6 production and multiplication of chlamydia in FSC. All FSC from five patients secreted highly increased quantities of IL-6 in a dose-dependent and time-dependent fashion. Heat and UV inactivated chlamydia failed to enhance production of IL-6. When azithromycin was added to infected cultures of FSC at 0 or 48 h after infection, the level of IL-6 production was very low. Transmission electron microscopy of such infected cultures revealed many abnormal forms of chlamydia within the inclusions in FSC. From one step-growth curve experiments, it was suggested that C. trachomatis hardly multiplied in FSC. In contrast, in C. trachomatis infected HeLa 229 cells, chlamydia multiplied as usual, but little IL-6 production were found. These observations indicated that live chlamydia and the persistence of chlamydia may be essential for stimulating the synthesis of IL-6 in FSC.
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Affiliation(s)
- Hirofumi Hanada
- Department of Microbiology, School of Medicine, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
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Cuchacovich R, Quinet S, Santos AM. Applications of polymerase chain reaction in rheumatology. Rheum Dis Clin North Am 2003; 29:1-20, v. [PMID: 12635497 DOI: 10.1016/s0889-857x(02)00083-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Polymerase chain reaction (PCR) is a highly sensitive and specific method for detection and quantification of specific nucleic acids from a clinical sample. With its use, genetic, infectious, neoplastic, and autoimmune diseases can be diagnosed and managed with a high level of sensitivity, accuracy, and rapidity. This technique exactly reproduces unlimited copies of DNA, even if only a small amount are present initially. PCR assays can detect presence of fastidious and slow-growing microorganisms, such as chlamydia, mycoplasmas, mycobacterias, and viruses directly from clinical specimens and also can detect antimicrobial resistance. The value of viral load measurement by nucleic acid amplification in the management of patients with HIV infection or hepatitis C has also been well established. From the point of view of a clinician, the applications of PCR are focused mainly in the amplification and detection of diagnostic DNA segments from the genomes of both pathogens and patients.
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MESH Headings
- Arthritis, Infectious/diagnosis
- Arthritis, Infectious/genetics
- Arthritis, Reactive/diagnosis
- Arthritis, Reactive/genetics
- Drug Resistance, Microbial/genetics
- Eye Diseases/diagnosis
- Eye Diseases/genetics
- Gene Amplification
- Genetic Diseases, Inborn/diagnosis
- Genetic Diseases, Inborn/genetics
- Genetics, Microbial
- Genome, Human
- Humans
- Infections/diagnosis
- Infections/genetics
- Polymerase Chain Reaction/classification
- Polymerase Chain Reaction/methods
- Rheumatic Diseases/diagnosis
- Rheumatic Diseases/genetics
- Uveitis, Posterior/diagnosis
- Uveitis, Posterior/genetics
- Virus Diseases/diagnosis
- Virus Diseases/genetics
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Affiliation(s)
- Raquel Cuchacovich
- Section of Rheumatology, Department of Medicine, Louisiana State University Health Sciences Center, 1542 Tulane Avenue, New Orleans, LA 70112, USA.
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Hajizadeh S, DeGroot J, TeKoppele JM, Tarkowski A, Collins LV. Extracellular mitochondrial DNA and oxidatively damaged DNA in synovial fluid of patients with rheumatoid arthritis. Arthritis Res Ther 2003; 5:R234-40. [PMID: 12932286 PMCID: PMC193725 DOI: 10.1186/ar787] [Citation(s) in RCA: 141] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2003] [Revised: 05/15/2003] [Accepted: 05/27/2003] [Indexed: 11/16/2022] Open
Abstract
We investigated whether plasma and synovial fluid (SF) samples from patients with rheumatoid arthritis (RA) contained extracellular mitochondrial DNA (mtDNA) or the oxidatively damaged DNA adduct 8-hydroxy-2'-deoxyguanosine (8-oxodG). Moreover, we correlated the laboratory findings of the patients with RA with their levels of mtDNA and 8-oxodG. SF and plasma samples from 54 patients with RA, SF from 30 non-arthritic control subjects, and plasma from 22 healthy volunteers were collected. The samples were subjected to polymerase chain reaction (PCR) using mitochondrial genomic primers, and the products were analyzed by SDS-polyacrylamide-gel electrophoresis. The intensities of the PCR-amplified bands were quantified and normalized to a reference sample. Furthermore, the SF samples were assayed by enzyme-linked immunosorbent assay for 8-oxodG. Extracellular PCR-amplifiable mtDNA was detected in the SF of 38 of 54 (70%) patients with RA, but not in any of the SF controls. PCR-amplifiable mtDNA was detected in the plasma of 30 of 54 (56%) of patients with RA and in 6 of 22 (27%) of the healthy volunteers. The levels of mtDNA in the plasma and SF samples of patients with RA were significantly higher (P < 0.0001) than in the respective control samples. The presence of both mtDNA and 8-oxodG in SF was significantly correlated with the presence of rheumatoid factor in the patients with RA. Extracellular mtDNA and oxidized DNA were detected in the SF of the great majority of patients with RA, but were absent or present at low levels in the control SF. These findings indicate that endogenous nucleic acid compounds might participate in joint inflammation by activating immune cells in the joints to produce proinflammatory cytokines.
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Affiliation(s)
- Shahin Hajizadeh
- Department of Rheumatology and Inflammation Research, University of Göteborg, Göteborg, Sweden.
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Haller-Schober EM, El-Shabrawi Y. Chlamydial conjunctivitis (in adults), uveitis, and reactive arthritis, including SARA. Sexually acquired reactive arthritis. Best Pract Res Clin Obstet Gynaecol 2002; 16:815-28. [PMID: 12473284 DOI: 10.1053/beog.2002.0320] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
This chapter deals with Chlamydia -induced ocular and rheumatic diseases of the adult. All of these may follow a primary urogenital infection with Chlamydia trachomatis in genetically predisposed patients. Besides the infection with Chlamydia trachomatis, infections with Chlamydia pneumoniae and Chlamydia psittaci are also discussed as possible causative agents. Chlamydial conjunctivitis is frequently a secondary infection, and the organism is transferred from the urogenital tract to the eye by autoinoculation. Uveitis and reactive arthritis are believed to be triggered - among other infections - by a preceding urogenital infection. Both of them are closely associated with HLA-B27 positivity. The simultaneous occurrence of uveitis and reactive arthritis is termed Reiter's syndrome. We report on clinical characteristics, diagnosis and the role of Chlamydia in the pathogenesis of chlamydial conjunctivitis, uveitis and reactive arthritis as well as on the currently recommended treatment regimens.
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Affiliation(s)
- Eva Maria Haller-Schober
- Department of Ophthalmology, Hospital of the Karl-Fanzens University Graz, Auenbruggerplatz 4, A - 8036, Graz, Austria
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Huhtinen M, Laasila K, Granfors K, Puolakkainen M, Seppälä I, Laasonen L, Repo H, Karma A, Leirisalo-Repo M. Infectious background of patients with a history of acute anterior uveitis. Ann Rheum Dis 2002; 61:1012-6. [PMID: 12379526 PMCID: PMC1753942 DOI: 10.1136/ard.61.11.1012] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
OBJECTIVE To study the infectious background of patients with a history of acute anterior uveitis (AAU) and healthy control subjects. METHODS Sixty four patients with previous AAU and 64 sex and age matched controls were studied. Serum antibodies to Salmonellae, Yersiniae, Klebsiella pneumoniae, Escherichia coli, Proteus mirabilis, Campylobacter jejuni, and Borrelia burgdorferi were measured using enzyme linked immunosorbent assay (ELISA), and antibodies to Chlamydia trachomatis and Chlamydia pneumoniae by microimmunofluorescence test. Peripheral blood mononuclear cells (PBMCs), separated by density gradient centrifugation, were studied for Salmonella and Yersinia antigens by means of an immunofluorescence test, and for C pneumoniae DNA with a polymerase chain reaction (PCR). RESULTS Neither prevalence nor levels of single microbial antibodies studied differed between the patients and control subjects, or between subgroups of patients created on the basis of clinical characteristics. In logistic regression analysis, the high number of recurrences (>10) of AAU was independently related to the presence of single or multiple bacterial antibodies (p=0.04). None of the PBMC samples of the patients were positive for Yersinia or Salmonella antigens. C pneumoniae PCR was positive in a patient who was negative for C pneumoniae antibodies. CONCLUSION Although neither the prevalence nor the levels of single microbial antibodies studied differed between the patients and the controls, current data suggest that the presence of single or multiple antibodies in patients with many recurrences of AAU compared with patients with none or few recurrences may be a sign of repeated infections, antigen persistence, or raised innate immune responsiveness.
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Affiliation(s)
- M Huhtinen
- Department of Ophthalmology, University of Helsinki, Finland.
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Abstract
Microbes reach the synovial cavity either directly during bacteraemia or by transport within lymphoid cells or monocytes. This may stimulate the immune system excessively, triggering arthritis. Some forms of ReA correspond to slow infectious arthritis due to the persistence of microbes and some to an infection triggered arthritis linked to an extra-articular site of infection.
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Affiliation(s)
- J Sibilia
- Rheumatology Department, University Hospital of Strasbourg, France.
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Sieper J, Rudwaleit M, Braun J, van der Heijde D. Diagnosing reactive arthritis: role of clinical setting in the value of serologic and microbiologic assays. ARTHRITIS AND RHEUMATISM 2002; 46:319-27. [PMID: 11840434 DOI: 10.1002/art.504] [Citation(s) in RCA: 99] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Joachim Sieper
- University Hospital Benjamin Franklin, Hindenburgdamm 30, Berlin 12200, Germany.
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Rodríguez García A, Vázquez Díaz M, Zea Mendoza AC. [Serological investigation in septic arthritis. Application to the clinical practice]. Rev Clin Esp 2001; 201:650-2. [PMID: 11786134 DOI: 10.1016/s0014-2565(01)70939-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- A Rodríguez García
- Servicio de Reumatología, Hospital Universitario Ramón y Cajal, Madrid, Spain.
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Schnarr S, Putschky N, Jendro MC, Zeidler H, Hammer M, Kuipers JG, Wollenhaupt J. Chlamydia and Borrelia DNA in synovial fluid of patients with early undifferentiated oligoarthritis: results of a prospective study. ARTHRITIS AND RHEUMATISM 2001; 44:2679-85. [PMID: 11710723 DOI: 10.1002/1529-0131(200111)44:11<2679::aid-art447>3.0.co;2-c] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVE More than 50% of patients with synovitis involving 1-4 joints remain classified as having undifferentiated oligoarthritis (UOA) after 1 year of disease. The clinical presentation is often similar to that of reactive arthritis (ReA) and other spondylarthropathies or to Lyme arthritis. We therefore determined how often Chlamydia trachomatis (Ct) and Borrelia burgdorferi (Bb) can be identified in patients with UOA, by using an extensive laboratory approach. METHODS We prospectively studied 52 patients with UOA who presented at an early synovitis clinic in a region highly endemic for Lyme disease. Patients were examined by standardized clinical and immunoserologic procedures. Synovial fluid was screened for the presence of Ct and Bb DNA by polymerase chain reaction (PCR). Urine was tested for Ct DNA by ligase chain reaction, and serum was tested for Ct antibodies by enzyme-linked immunosorbent assay and Bb antibodies by hemagglutination test and Western blotting. PCR results in the UOA patients were compared with the results in cohorts of patients with definite rheumatoid arthritis (RA), Lyme arthritis, and Chlamydia-induced arthritis (CIA). RESULTS In the synovial fluid of 9 of 52 patients with UOA (17%), we found Ct DNA, and in 6 of the 52 patients (12%), Bb DNA was found. The frequency of bacteria-specific DNA was 50% (7 of 14) in CIA patients and 69% (11 of 16) in patients with Lyme arthritis. No Bb or Ct DNA was found in the synovial fluid of the 31 RA patients. CONCLUSION With optimized PCR protocols, it is possible to detect considerable levels of Bb and Ct DNA in the synovial fluid of patients with UOA. Although the presence of bacterial DNA does not unequivocally prove its etiologic significance, we suggest that at least one-third of patients with UOA may have a form of ReA that involves asymptomatic primary infection.
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Affiliation(s)
- S Schnarr
- Hannover Medical School, Division of Rheumatology, Germany.
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Abstract
There is good evidence that bacteria persist in vivo in patients with reactive arthritis (ReA). While Chlamydia seem to hide inside the joint, other areas such as gut mucosa or lymph nodes seem to be more likely places for Salmonella and Yersinia. T-helper (Th) 1 cells secreting cytokines such as IFN gamma and TNF alpha are crucial for an effective elimination of these bacteria. An inhibited Th1-response could be demonstrated in ReA, probably contributing to bacterial persistence. While HLA-B27 is found in only approximately 50% of patients with acute ReA, HLA-B27 seems to be crucial for the development of features typical with chronic spondyloarthropathy, such as sacroiliitis. Among several hypotheses to explain the interaction of bacteria with HLA-B27, the most likely seems to be that until now unknown bacterial or self- antigens were presented by HLA-B27 to CD8(+) T-cells. An important site where the immunopathology takes place seems to be at the insertion of tendons and ligaments at bone. Because antibiotics have failed so far in the treatment of ReA immunomodulatory therapies, based on a better understanding of the pathogenesis, alone or in combination with antibiotics might be an option for the future.
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Affiliation(s)
- J Sieper
- Department of Internal Medicine I, Rheumatology, University Hospital Benjamin Franklin, Hindenburgdamm 30, 12200 Berlin, Germany.
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Carlin EM, Keat AC. European guideline for the management of sexually acquired reactive arthritis. Int J STD AIDS 2001; 12 Suppl 3:94-102. [PMID: 11589806 DOI: 10.1258/0956462011924029] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- E M Carlin
- Department of Genitourinary Medicine, Nottingham City Hospital NHS Trust, Hucknall Road, Nottingham NG5 1PB, UK.
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Pacheco-Tena C, Alvarado De La Barrera C, López-Vidal Y, Vázquez-Mellado J, Richaud-Patin Y, Amieva RI, Llorente L, Martínez A, Zúñiga J, Cifuentes-Alvarado M, Burgos-Vargas R. Bacterial DNA in synovial fluid cells of patients with juvenile onset spondyloarthropathies. Rheumatology (Oxford) 2001; 40:920-7. [PMID: 11511762 DOI: 10.1093/rheumatology/40.8.920] [Citation(s) in RCA: 65] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE To identify bacterial DNA in synovial fluid cells of patients with active juvenile onset spondyloarthropathy (SpA). METHODS The main group of study constituted 22 patients with juvenile onset SpA. In addition, five patients with adult onset SpA and nine with rheumatoid arthritis (RA) were studied. Polymerase chain reaction (PCR) with either genus- or species-specific primers was performed on synovial fluid cells to detect DNA sequences of Chlamydia trachomatis, Yersinia enterocolitica, Salmonella sp., Shigella sp., Campylobacter sp. and Mycobacterium tuberculosis. The presence of antibacterial antibodies in sera and synovial fluid was also determined by enzyme-linked immunoassay. RESULTS The synovial fluid of nine patients with juvenile onset SpA, three with adult onset SpA and one with RA contained bacterial DNA. Five juvenile onset SpA samples had DNA of one single bacterium; two juvenile onset SpA and three adult onset SpA had DNA of two bacteria and two juvenile onset SpA had DNA of three bacteria. Overall, Salmonella sp. DNA was detected in seven synovial fluid samples, Shigella sp., Campylobacter sp. and M. tuberculosis were found in four samples each, and C. trachomatis was found in two. The bacterial DNA findings correlated with neither diagnosis nor disease duration. One RA synovial fluid had DNA of Campylobacter sp. Neither serum nor synovial fluid antibacterial antibodies correlated with DNA findings or clinical diagnosis. CONCLUSION In this study, single and several combinations of bacterial DNA were identified in the synovial fluid of patients with long-term undifferentiated and definite juvenile onset SpA and adult onset SpA. Of relevance is that bacterial DNA corresponds to bacteria producing endemic disease in our population.
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