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Elghali M, Bannour I, Touil I, Changuel M, Brahem Y, Jaoued O, Boudawara N, Amor HIH, Elatrous S, Knani J, Sakly N. Increased Rheumatoid Factor production in patients with severe COVID-19. Diagn Microbiol Infect Dis 2024; 109:116284. [PMID: 38604077 DOI: 10.1016/j.diagmicrobio.2024.116284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 03/13/2024] [Accepted: 03/21/2024] [Indexed: 04/13/2024]
Abstract
BACKGROUND Searching for Rheumatoid Factors (RF) in patients with coronavirus disease (COVID-19) has rarely been described. OBJECTIVES To investigate the association between RF isotypes (IgM, IgA, and IgG) and different clinical presentations of COVID-19 in a series of Tunisian patients. STUDY DESIGN Eighty-two COVID-19 patients were enrolled in this study. Symptomatic cases were recruited from the Department of COVID-19 and the intensive care unit (ICU) of the University Hospital of Mahdia, Tunisia, from January 2021 to March 2021. Different RF isotypes were assessed using a commercial enzyme-linked immunosorbent assay (ELISA). RESULTS Forty-one patients (50%) had RF of any isotype. Thirty-two patients (39%) were tested positive for RF-IgM. Symptomatic forms of the disease were associated with RF-IgM positivity (p = 0.005). The mean concentration of RF-IgM was higher in the severe form than in the moderate and asymptomatic forms (p = 0.006). CONCLUSIONS Our study suggests that the production of RF-IgM isotype is increased in patients with severe COVID-19.
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Affiliation(s)
- Mourad Elghali
- Immunology department, University Hospital F.B., University of Monastir, Monastir, Tunisia
| | - I Bannour
- Immunology department, University Hospital F.B., University of Monastir, Monastir, Tunisia
| | - I Touil
- Pneumology department, Tahar Sfar hospital, University of Monastir, Mahdia, Tunisia
| | - M Changuel
- Immunology department, University Hospital F.B., University of Monastir, Monastir, Tunisia
| | - Y Brahem
- Pneumology department, Tahar Sfar hospital, University of Monastir, Mahdia, Tunisia
| | - O Jaoued
- Intensive Care Unit, Tahar Sfar hospital, University of Monastir, Mahdia, Tunisia
| | - N Boudawara
- Pneumology department, Tahar Sfar hospital, University of Monastir, Mahdia, Tunisia
| | - H Ibn Hadj Amor
- Cardiology Department, Tahar Sfar hospital, University of Monastir, Mahdia, Tunisia
| | - S Elatrous
- Intensive Care Unit, Tahar Sfar hospital, University of Monastir, Mahdia, Tunisia
| | - J Knani
- Pneumology department, Tahar Sfar hospital, University of Monastir, Mahdia, Tunisia
| | - N Sakly
- Immunology department, University Hospital F.B., University of Monastir, Monastir, Tunisia.
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Sambataro G, Orlandi M, Fagone E, Fruciano M, Gili E, Libra A, Palmucci S, Vancheri C, Malatino L, Colaci M, Sambataro D. Myositis-Specific and Myositis-Associated Antibodies in Fibromyalgia Patients: A Prospective Study. Biomedicines 2023; 11:biomedicines11030658. [PMID: 36979638 PMCID: PMC10045737 DOI: 10.3390/biomedicines11030658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 02/08/2023] [Accepted: 02/20/2023] [Indexed: 02/24/2023] Open
Abstract
Fibromyalgia (FM) is a common rheumatologic disorder characterised by widespread muscular pain. Myalgia is also a common clinical feature in Connective Tissue Disease (CTD), and FM should be studied for the concomitant presence of a CTD. The aim of this study is to evaluate the prevalence of Myositis-Specific and Myositis-Associated Antibodies (MSA/MAA) in a cohort of FM patients. We enrolled 233 consecutive FM patients (defined according to the 2016 criteria) that did not report clinical signs of autoimmune disorders and followed them for at least one year. The patients were tested for MSA/MAA with immunoblotting. FM patients were seropositive for Antinuclear Antibodies (ANA) in 24% of cases, for MSA in 9%, and for MAA in 6%. A specific diagnosis of CTD was made in 12 patients (5.2%), namely, 5 cases of primary Sjögren’s Syndrome and 7 of Idiopathic Inflammatory Myopathy. Seropositive patients showed clinical features similar to those who were seronegative at baseline. A CTD diagnosis was associated with ANA positivity (p = 0.03, X2 4.9), the presence of a speckled pattern (p = 0.02, X2 5.3), positivity for MAA (p = 0.004, X2 8.1), and MSA (p = 0.003, X2 9.2). In conclusion, a non-negligible proportion of FM patients may be seropositive for MSA/MAA, and that seropositivity might suggest a diagnosis of CTD.
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Affiliation(s)
- Gianluca Sambataro
- Artroreuma s.r.l., Rheumatology Outpatient Clinic, 95030 Mascalucia, CT, Italy
- Department of Clinical and Experimental Medicine, Regional Referral Centre for Rare Lung Disease, Policlinico “G. Rodolico-San Marco”, University of Catania, 95123 Catania, Italy
- Correspondence:
| | - Martina Orlandi
- Department of Experimental and Clinical Medicine, Division of Rheumatology AOUC Careggi, University of Florence, 50134 Florence, Italy
| | - Evelina Fagone
- Department of Clinical and Experimental Medicine, Regional Referral Centre for Rare Lung Disease, Policlinico “G. Rodolico-San Marco”, University of Catania, 95123 Catania, Italy
| | - Mary Fruciano
- Department of Clinical and Experimental Medicine, Regional Referral Centre for Rare Lung Disease, Policlinico “G. Rodolico-San Marco”, University of Catania, 95123 Catania, Italy
| | - Elisa Gili
- Department of Clinical and Experimental Medicine, Regional Referral Centre for Rare Lung Disease, Policlinico “G. Rodolico-San Marco”, University of Catania, 95123 Catania, Italy
| | - Alessandro Libra
- Department of Clinical and Experimental Medicine, Regional Referral Centre for Rare Lung Disease, Policlinico “G. Rodolico-San Marco”, University of Catania, 95123 Catania, Italy
| | - Stefano Palmucci
- Department of Medical Surgical Sciences and Advanced Technologies “GF Ingrassia”, University Hospital Policlinico “G. Rodolico-San Marco”, 95123 Catania, Italy
| | - Carlo Vancheri
- Department of Clinical and Experimental Medicine, Regional Referral Centre for Rare Lung Disease, Policlinico “G. Rodolico-San Marco”, University of Catania, 95123 Catania, Italy
| | - Lorenzo Malatino
- Internal Medicine Unit, Department of Clinical and Experimental Medicine, Division of Rheumatology, Cannizzaro Hospital, University of Catania, 95123 Catania, Italy
| | - Michele Colaci
- Internal Medicine Unit, Department of Clinical and Experimental Medicine, Division of Rheumatology, Cannizzaro Hospital, University of Catania, 95123 Catania, Italy
| | - Domenico Sambataro
- Artroreuma s.r.l., Rheumatology Outpatient Clinic, 95030 Mascalucia, CT, Italy
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Prevalence and relevant factors of positive RF in brucellosis patients with arthralgia. PLoS Negl Trop Dis 2021; 15:e0009749. [PMID: 34543280 PMCID: PMC8452007 DOI: 10.1371/journal.pntd.0009749] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Accepted: 08/22/2021] [Indexed: 02/03/2023] Open
Abstract
Background Brucellosis is a critical zoonotic disease in the world, it is the non-specific arthralgia that make brucellosis patients easily misdiagnosed as rheumatoid arthritis (RA) in endemic regions. Elevated rheumatoid factor (RF) is an essential indicator of RA, and the RF in brucellosis patients is significantly higher than healthy people. Therefore, this study further explored the distribution of RF and the relevant factors of the RF positivity in brucellosis patients with arthralgia, in order to strengthen the recognition of physicians for brucellosis patients with RF positivity, especially in brucellosis-endemic areas, so as to avoid misdiagnosis and untimely treatment that may lead to malignant outcomes. Methodology and principal findings The medical records of all 572 brucellosis inpatients were collected in the Sixth People’s Hospital of Shenyang, China from 2015 to 2016. After excluding 106 patients without arthralgia, 5 patients who unwilling to perform RF testing and 16 patients with diseases that may affect RF, 445 brucellosis inpatients with arthralgia were involved in this retrospective cross-sectional study. 143 (32.1%) patients with RF >10 IU/ml were classified into the RF positive group, with an average level of 16.5[12.2, 34.7] IU/ml, of which 45 (10.1%) patients were high-positive with RF >30 IU/ml. Multivariate logistic regression model was used to further analyze the relevant factors of the RF positivity and found that age, wrist joint pain and elevated C-reactive protein (CRP) were positively associated with RF positivity, with OR of 1.02 (P = 0.024), 8.94 (P = 0.008) and 1.79 (P = 0.019), respectively. Conclusion The prevalence of positive RF in brucellosis patients with arthralgia was critical, nearly one-third of patients had RF positive. Elderly men brucellosis patients with arthralgia, wrist joint pain and elevated CRP were at high risk of positive RF. It is reminded that physicians should focus on differential diagnosis during clinical diagnosis and treatment, especially in brucellosis-endemic regions. Brucellosis is a highly contagious zoonosis caused by Brucella spp., which compromises to organs and systems, causing non-specific symptoms such as fever, headache, sweating, fatigue, myalgia and arthralgia. Similarly, patients with rheumatoid arthritis (RA) may also have the above non-specific symptoms. It is precisely because of the non-specificity and similarity of symptoms that brucellosis patients were easily misdiagnosed and failed to receive timely treatment, resulting in neurosis, chronic fatigue syndrome, endocarditis and other adverse outcomes. However, rheumatoid factor (RF) is an essential indicator of RA, and the RF in brucellosis patients is significantly higher than healthy people. In order to strengthen the recognition of physicians for brucellosis patients with RF positivity, we conducted this research and found that the prevalence of positive RF in brucellosis patients with arthralgia was common and critical. Elderly men brucellosis patients with arthralgia, wrist joint pain and elevated CRP were at high risk of positive RF. It is reminded that physicians should pay attention to the possibility of brucellosis during clinical diagnosis and treatment, especially in brucellosis-endemic regions, which had certain clinical significance.
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Identification of galectin-3 as an autoantigen in patients with IgG 4-related disease. J Allergy Clin Immunol 2018; 143:736-745.e6. [PMID: 29852256 DOI: 10.1016/j.jaci.2018.05.011] [Citation(s) in RCA: 104] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 05/09/2018] [Accepted: 05/22/2018] [Indexed: 12/30/2022]
Abstract
BACKGROUND The antigenic trigger that drives expansion of circulating plasmablasts and CD4+ cytotoxic T cells in patients with IgG4-related disease (IgG4-RD) is presently unknown. OBJECTIVE We sought to sequence immunoglobulin genes from single-cell clones of dominantly expanded plasmablasts and generate recombinant human mAbs to identify relevant antigens in patients with IgG4-RD by using mass spectrometry. METHODS Paired heavy and light chain cDNAs from dominant plasmablast clones were expressed as mAbs and used to purify antigens by using immunoaffinity chromatography. Affinity-purified antigens were identified by using mass spectrometry and validated by means of ELISA. Plasma levels of the antigen of interest were also determined by using ELISA. RESULTS mAbs expressed from the 2 dominant plasmablast clones of a patient with multiorgan IgG4-RD stained human pancreatic tissue sections. Galectin-3 was identified as the antigen specifically recognized by both mAbs. Anti-galectin-3 autoantibody responses were predominantly of the IgG4 isotype (28% of the IgG4-RD cohort, P = .0001) and IgE isotype (11% of the IgG4-RD cohort, P = .009). No significant responses were seen from the IgG1, IgG2, or IgG3 isotypes. IgG4 anti-galectin-3 autoantibodies correlated with increased plasma galectin-3 levels (P = .001), lymphadenopathy (P = .04), total IgG level increase (P = .05), and IgG4 level increase (P = .03). CONCLUSION Affinity chromatography using patient-derived mAbs identifies relevant autoantigens in patients with IgG4-RD. IgG4 galectin-3 autoantibodies are present in a subset of patients with IgG4-RD and correlate with galectin-3 plasma levels. The marked increases in levels of circulating IgG4 and IgE observed clinically are, at least in part, caused by the development of IgG4- and IgE-specific autoantibody responses.
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Nisihara R, Pigosso YG, Prado N, Utiyama SR, De Carvalho GA, Skare TL. Rheumatic Disease Autoantibodies in Patients with Autoimmune Thyroid Diseases. Med Princ Pract 2018; 27:332-336. [PMID: 29864750 PMCID: PMC6170921 DOI: 10.1159/000490569] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2018] [Accepted: 06/04/2018] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Patients with autoimmune thyroid diseases (ATD) such as Graves' disease (GD) and Hashimoto thyroiditis (HT) may have non-organ specific autoantibodies such as antinuclear antibodies (ANA) and rheumatoid factor (RF). AIM To study the prevalence of rheumatic autoantibodies in a group of ATD patients without known rheumatic diseases and to evaluate its association with the patients' epidemiological and treatment profiles. To follow positive non-organ specific autoantibody-positive ATD individuals to investigate whether they will develop a rheumatic disorder. METHODS A sample of 154 ATD patients (70 HT and 84 GD; mean age 45.3 ± 14.2) had determination of ANA by immunofluorescence, using hep-2 cells as substrate, extractable nuclear antigen profile by ELISA kits and RF by latex agglutination. Epidemiological and treatment profiles were obtained through chart review. These patients were followed for the mean period of 5 years, between 2010 and 2015. RESULTS Positive ANA was found in 17.5% (27/154) of the patients: anti-Ro/SS-A in 4/154 (2.5%); anti-RNP in 4/154 (2.5%), and anti-La/SS-B in 3/154 (1.9%). None had anti-Sm antibodies. RF was detected in 12/154 (7.7%) of ATD patients and was more common in older individuals (p = 0.007). There was a positive association between the presence of RF and ANA (p = 0.03; OR 3.89; 95% CI 1.1-13.3). None of the patients with positive autoantibodies developed clinical rheumatic diseases during the period of observation. CONCLUSION We found rheumatic autoantibodies in 17.5% of ATD patients without rheumatic diseases. None of them were associated with the appearance of clinical rheumatic disorder during the period of 5 years.
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Affiliation(s)
- Renato Nisihara
- Laboratory of Immunopathology, Clinical Hospital, Federal University of Paraná, Curitiba, Brazil
- Department of Medicine, Positivo University, Curitiba, Brazil
- *Dr. Renato Nisihara, Laboratory of Immunopathology, Clinical Hospital, Federal University of Paraná, Rua Padre Camargo 280, Curitiba 80060-240 (Brazil), E-Mail
| | | | - Nathalia Prado
- Department of Medicine, Positivo University, Curitiba, Brazil
| | - Shirley R.R. Utiyama
- Laboratory of Immunopathology, Clinical Hospital, Federal University of Paraná, Curitiba, Brazil
- Department of Clinical Analysis, Federal University of Paraná, Curitiba, Brazil
| | - Gisah A. De Carvalho
- Endocrinology Service, Clinical Hospital, Federal University of Paraná, Curitiba, Brazil
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van der Geest KSM, Lorencetti PG, Abdulahad WH, Horst G, Huitema M, Roozendaal C, Kroesen BJ, Brouwer E, Boots AMH. Aging-dependent decline of IL-10 producing B cells coincides with production of antinuclear antibodies but not rheumatoid factors. Exp Gerontol 2015; 75:24-9. [PMID: 26721376 DOI: 10.1016/j.exger.2015.12.009] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Revised: 10/31/2015] [Accepted: 12/18/2015] [Indexed: 01/10/2023]
Abstract
Aging is associated with development of autoimmunity. Loss of B cell tolerance in the elderly is suggested by an increased prevalence of anti-nuclear antibodies (ANAs) and rheumatoid factors (RFs). Accumulating evidence indicates that B cells also impact autoimmunity via secretion of cytokines. So far, few studies have directly assessed the effect of aging on the latter B cell function. Here, we determined if and how human aging influences the production of cytokines by B cells. In a cross-sectional study, we found that absolute numbers of circulating B cells were similar in 31 young (ages 19-39) and 73 old (age ≥ 60) individuals. Numbers of transitional B cells (CD19(+)CD27(-)CD38(High)CD24(High)) were decreased in old individuals, whereas numbers of naive and memory B cell subsets were comparable in young and old individuals. Short-term in vitro stimulation of whole blood samples revealed that numbers of B cells capable of producing TNF-α were similar in young and old individuals. In contrast, B cells capable of IL-10 production were decreased in old subjects. This decline of IL-10(+) B cells was observed in old individuals that were ANA positive, and in those that were negative for both ANAs and RFs. However, IL-10(+) B cells were remarkably well retained in the circulation of old subjects that were RF positive. Thus, pro-inflammatory TNF-α(+) B cells are retained in the elderly, whereas IL-10(+) B cells generally decline. In addition, our findings indicate that IL-10(+) B cells may differentially impact the development of ANAs and RFs in the elderly.
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Affiliation(s)
- Kornelis S M van der Geest
- Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
| | - Pedro G Lorencetti
- Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Wayel H Abdulahad
- Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Gerda Horst
- Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Minke Huitema
- Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Caroline Roozendaal
- Department of Laboratory Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Bart-Jan Kroesen
- Department of Laboratory Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Elisabeth Brouwer
- Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Annemieke M H Boots
- Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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Horiuchi AC, Pereira LHC, Kahlow BS, Silva MB, Skare TL. Rheumatoid arthritis in elderly and young patients. REVISTA BRASILEIRA DE REUMATOLOGIA 2015; 57:491-494. [PMID: 29037323 DOI: 10.1016/j.rbre.2015.06.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Accepted: 06/24/2015] [Indexed: 01/21/2023] Open
Affiliation(s)
- Ariane Carla Horiuchi
- Hospital Universitário Evangélico de Curitiba, Serviço de Reumatologia, Curitiba, PR, Brazil
| | | | - Bárbara Stadler Kahlow
- Hospital Universitário Evangélico de Curitiba, Serviço de Reumatologia, Curitiba, PR, Brazil
| | - Marilia Barreto Silva
- Hospital Universitário Evangélico de Curitiba, Serviço de Reumatologia, Curitiba, PR, Brazil
| | - Thelma L Skare
- Hospital Universitário Evangélico de Curitiba, Serviço de Reumatologia, Curitiba, PR, Brazil.
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Horiuchi AC, Pereira LHC, Kahlow BS, Silva MB, Skare TL. Rheumatoid arthritis in elderly and young patients. REVISTA BRASILEIRA DE REUMATOLOGIA 2015; 57:S0482-5004(15)00125-4. [PMID: 26421887 DOI: 10.1016/j.rbr.2015.06.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Revised: 05/07/2015] [Accepted: 06/24/2015] [Indexed: 11/20/2022] Open
Affiliation(s)
- Ariane Carla Horiuchi
- Serviço de Reumatologia, Hospital Universitário Evangélico de Curitiba, Curitiba, PR, Brasil
| | | | - Bárbara Stadler Kahlow
- Serviço de Reumatologia, Hospital Universitário Evangélico de Curitiba, Curitiba, PR, Brasil
| | - Marilia Barreto Silva
- Serviço de Reumatologia, Hospital Universitário Evangélico de Curitiba, Curitiba, PR, Brasil
| | - Thelma L Skare
- Serviço de Reumatologia, Hospital Universitário Evangélico de Curitiba, Curitiba, PR, Brasil.
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Fraison J, Mekinian A, Braun T, Grignano E, Ades L, Brechignac S, Gardin C, Bourgarit A, Chollet-Martin S, Roland Nicaise P, Fenaux P, Fain O. Fréquence des auto-anticorps dans les syndromes myélodysplasiques avec et sans manifestations auto-immunes cliniques. Rev Med Interne 2015. [DOI: 10.1016/j.revmed.2015.03.309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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