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Ro 52 antibody

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https://www.readbyqxmd.com/read/28955500/environmental-and-lifestyle-factors-influencing-risk-of-congenital-heart-block-during-pregnancy-in-anti-ro-ssa-positive-women
#1
Sabrina Meisgen, Joanna Tingström, Amanda Skog Andreasson, Sven-Erik Sonesson, Ingrid Kockum, Marie Wahren-Herlenius
OBJECTIVES: Congenital heart block (CHB) occurs in 1%-2% of anti-Ro/SSA antibody-positive pregnancies. A population-based recurrence rate of 12% indicates that factors other than maternal autoantibodies influence CHB development. Here we report the first investigation to identify environmental and lifestyle factors influencing the risk of CHB. METHODS: A questionnaire focused on environmental and lifestyle factors was distributed to anti-Ro/SSA antibody-positive women who had given birth to at least one child with CHB, and additional data were retrieved from national health registers...
2017: RMD Open
https://www.readbyqxmd.com/read/28880700/anti-ro52-antibody-level-is-an-important-marker-of-fetal-congenital-heart-block-risk-in-anti-ro-ssa-antibody-positive-pregnancy
#2
Mai Miyasato-Isoda, Masako Waguri, Yuko Yamada, Akira Miyano, Yoshinao Wada
OBJECTIVE: The aims of this study are to determine the incidence of CHB in the Japanese population and to identify maternal factors predicting fetal congenital heart block (CHB) in anti-Ro/SSA antibody positive pregnancy. METHODS: A retrospective study was performed using 52,147 clinical records of pregnancies followed in a single center. For 183 anti-Ro/SSA antibody-positive women, anti-Ro52 and Ro60 antibodies were measured, and the odds of CHB in relation to maternal clinical features were calculated by multivariate analysis...
September 7, 2017: Modern Rheumatology
https://www.readbyqxmd.com/read/28735431/a-systematic-review-of-primary-sj%C3%A3-gren-s-syndrome-in-male-and-paediatric-populations
#3
Simrun Virdee, James Greenan-Barrett, Coziana Ciurtin
Primary Sjögren's syndrome (pSS) is a chronic multisystem autoimmune rheumatic disease characterised by female predominance. Although the disease is rare in the male and paediatric populations, it has been suggested that it may have a different disease phenotype, which has not been investigated before using a systematic approach. A systematic literature search of PubMed databases (updated to December 2016) was performed to identify all published data on the epidemiological, clinical and laboratory manifestations of pSS in the male and paediatric populations...
July 22, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28595349/prenatal-exposure-to-antimalarials-decreases-the-risk-of-cardiac-but-not-non-cardiac-neonatal-lupus-a-single-centre-cohort-study
#4
Julie Barsalou, Edgar Jaeggi, Carl A Laskin, Patrick Brown, Simon Y Tian, Robert M Hamilton, Earl D Silverman
Objective: Recent studies have suggested that prenatal exposure to HCQ reduces the risk of cardiac neonatal lupus. The aim of this study is to assess if maternal intake of antimalarials (AMs) throughout pregnancy lowered the risk of cardiac and non-cardiac neonatal lupus. Methods: Consecutive children seen between 1 January 1984 to 1 October 2013 born to women with a CTD and positive anti-Ro and/or anti-La antibodies were eligible for this single-centre retrospective cohort study...
September 1, 2017: Rheumatology
https://www.readbyqxmd.com/read/28296274/relevance-of-clinical-and-autoantibody-profiles-in-systemic-sclerosis-among-thais
#5
Chingching Foocharoen, Piyakarn Watcharenwong, Sittichai Netwijitpan, Ajanee Mahakkanukrauh, Siraphop Suwannaroj, Ratanavadee Nanagara
OBJECTIVE: Autoantibody profiles in systemic sclerosis (SSc) and their relative clinical association vary between studies. The rate for being anti-topoisomerase-I (ATA) positive and the association with diffuse cutaneous the SSc subset (dcSSc) is higher among Thais than among Caucasians. The objective was to evaluate the relevance of clinical presentation, namely being positive for one or more autoantibodies among Thai SSc patients. METHOD: A retrospective, cohort study was performed among SSc patients over 18 years of age at Srinagarind Hospital, Khon Kaen University, Thailand, during January 2006 to December 2013...
March 10, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28240591/increased-immunoreactivity-against-human-cytomegalovirus-ul83-in-systemic-sclerosis
#6
Emmanouela Marou, Christos Liaskos, Georgios Efthymiou, Efthymios Dardiotis, Alexandros Daponte, Thomas Scheper, Wolfgang Meyer, Georgios Hadjigeorgiou, Dimitrios P Bogdanos, Lazaros I Sakkas
OBJECTIVES: To study immunoreactivity against human cytomegalovirus (HCMV) in systemic sclerosis (SSc), since HCMV has been put forward as a candidate infectious cause. METHODS: Eighty four patients with SSc (67 females; median age 60 years, range 25-81), 30 patients with multiple sclerosis (MS) (23 females; median age 44, range 20-69 years) and 28 healthy controls (NCs), all pre-tested positive for IgG anti-HCMV antibodies, were studied. IgG anti-UL83 HCMV antibodies were tested by western immunoblotting and expressed in arbitrary units (AUs)...
February 27, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28229827/anti-la-positive-anti-ro-negative-subset-of-primary-sj%C3%A3-gren-s-syndrome-anti-la-is-a-reality-but-is-the-disease
#7
Debashish Danda, Rohan Sharma, Dat Truong, Kristi A Koelsch, Biji T Kurien, Harini Bagavant, Umesh Deshmukh, C Erick Kaufman, David M Lewis, Donald U Stone, Lida Radfar, Astrid Rasmussen, Kathy L Sivils, Robert H Scofield
OBJECTIVES: To characterise the serological and clinical findings in primary Sjögren's syndrome in which anti-La was found without anti-Ro. We hypothesised that a significant portion of these are falsely negative for anti-Ro60. METHODS: Twenty-nine sera from primary Sjögren's syndrome patients were tested for antibodies directed against La and Ro. Anti-La was detected using bovine La treated with or without DNAase and RNAase to identify potential false positivity...
May 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28204891/low-titer-isolated-anti-ro-ssa-60-kd-antibodies-is-correlated-with-positive-pregnancy-outcomes-in-women-at-risk-of-congenital-heart-block
#8
Marta Tonello, Ariela Hoxha, Elena Mattia, Alessandra Zambon, Silvia Visentin, Alessia Cerutti, Anna Ghirardello, Ornella Milanesi, Amelia Ruffatti
Congenital heart block (CHB) is an autoantibody mediated disorder presumably caused by placental transmission of maternal autoantibodies to Ro/SSA 52 kd, p200, Ro/SSA 60 kd, La/SSB ribonucleoproteins. This study investigated the clinical significance of isolated anti-Ro/SSA 52 kd, anti-p200, anti-Ro/SSA 60 kd, and anti-La/SSB antibodies in positive pregnant patients. One hundred sixty-three pregnant women positive to anti-Ro/SSA 52 kd and/or anti-Ro/SSA 60 kd and/or anti-La/SSB antibodies were prospectively enrolled in the study...
May 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28138914/obstetric-and-perinatal-outcome-in-anti-ro-ssa-positive-pregnant-women-a-prospective-cohort-study
#9
Nuria Martínez-Sánchez, Sergio Pérez-Pinto, Ángel Robles-Marhuenda, Francisco Arnalich-Fernández, María Martín Cameán, Edurne Hueso Zalvide, Jose Luis Bartha
Anti-Ro/SS-A is one specific type of antinuclear antibodies. They are in the majority of cases associated with primary Sjögren syndrome (SS) but also in Systemic Lupus Erythematosus (SLE), rheumatoid arthritis (RA), and in healthy people. During pregnancy, they are mainly associated to congenital heart block (CHB) and neonatal lupus (NL). The aim of this study was to compare the rate of maternal and fetal complications between a series of anti-Ro/SS-A positive pregnant women prospectively followed. Forty-two anti-Ro/SSA antibodies positive pregnant women that were referred to our hospital between 2011 and 2015...
April 2017: Immunologic Research
https://www.readbyqxmd.com/read/27988051/the-clinical-characteristics-of-aqp4-antibody-positive-nmo-sd-in-a-large-cohort-of-chinese-han-patients
#10
Jingzi ZhangBao, Lei Zhou, Xiaoyang Li, Tongjia Cai, Jiahong Lu, Chuanzhen Lu, Chongbo Zhao, Chao Quan
We aim to summarize the clinical features of AQP4-ab-positive NMO/SD in a large Chinese Han cohort. The clinical data of 145 AQP4-ab-seropositive patients was retrospectively reviewed. 55.9% (81/145) of the patients were defined as NMO while 39.3% (57/145) were defined as NMOSD according to the criteria established in 2006 and 2007. The mean onset age was 34.4years and the female to male ratio was 8.7:1. The median disease duration was 57months. The median of "time to second attack" and "time to develop NMO" was 7 and 13months respectively...
January 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/27906879/presence-of-organ%C3%A2-specific-antibodies-in-patients-with-systemic-sclerosis
#11
Ewa Wielosz, Maria Majdan, Arkadiusz Koszarny, Magdalena Dryglewska, Jacek Tabarkiewicz
INTRODUCTION According to the literature, organ‑specific antibodies may be present in the course of systemic sclerosis (SSc). OBJECTIVES The aim of this study was to assess the prevalence of antithyroid antibodies (antithyroid peroxidase antibodies [anti‑TPO] and antithyroglobulin antibodies) and of antimitochondrial antibodies (AMAs), as well as to evaluate their clinical significance in patients with SSc. PATIENTS AND METHODS The study involved 86 consecutive in‑hospital patients with SSc (32 patients with diffuse cutaneous SSc [dcSSc] and 54 with limited cutaneous SSc [lcSSc])...
October 5, 2016: Polskie Archiwum Medycyny Wewnętrznej
https://www.readbyqxmd.com/read/27848930/systemic-sclerosis-and-organ-specific-antibodies
#12
Ewa Wielosz, Maria Majdan, Arkadiusz Koszarny, Magdalena Dryglewska, Jacek Tabarkiewicz
INTRODUCTION    According to literature, some organ-specific antibodies may be present in systemic sclerosis (SSc).  OBJECTIVES    The objective of this study was to assess the prevalence of antithyroid antibodies (aTPO and/or aTG) and antimitochondrial antibodies (AMAs) in SSc patients (pts) moreover, to evaluate their clinical consequences.  PATIENTS AND METHODS    Analysis involved 86 consecutive patients with SSc hospitalized in the Department of Rheumatology; 32 patients had diffuse cutaneous (dcSSc) and 54 had limited cutaneous (lcSSc)...
October 5, 2016: Polskie Archiwum Medycyny Wewnętrznej
https://www.readbyqxmd.com/read/27776552/scleroderma-and-dentistry-two-case-reports
#13
Shantanu Dixit, Chaithra Kalkur, Atul P Sattur, Michael M Bornstein, Fred Melton
BACKGROUND: Scleroderma is a chronic connective tissue disorder with unknown etiology. It is characterized by excessive deposition of extracellular matrix in the connective tissues causing vascular disturbances which can result in tissue hypoxia. These changes are manifested as atrophy of the skin and/or mucosa, subcutaneous tissue, muscles, and internal organs. Such changes can be classified into two types, namely, morphea (localized) and diffuse (systemic). Morphea can manifest itself as hemifacial atrophy (Parry-Romberg syndrome) although this remains debatable...
October 24, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27525944/expression-of-anti-srp19-antibody-in-muscle-tissues-from-patients-with-autoimmune-necrotizing-myopathy
#14
Q Wang, F Duan, P Liu, P F Wang, M X Wang
This study aimed to investigate the role of anti-SRP19 antibody in muscle tissues of patients with autoimmune necrotizing myopathy. Immunohistochemistry staining was used to determine the expression of anti-SRP19 antibodies in muscle tissues of autoimmune necrotizing myopathy patients. Results demonstrated that anti-SRP19 antibody was expressed in 71.4% (20/28) of muscle tissue specimens from patients with autoimmune necrotizing myopathy. Anti-SRP19 antibody expression was mainly localized in cytoplasm of necrotic muscle fibers surrounding the small blood vessels and interstitial cells...
August 12, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/27524195/-clinical-and-myopathological-features-of-jo-1-syndrome
#15
L C Meng, Y Li, W Zhang, H J Hao, F Gao, Y Yuan
OBJECTIVE: To report the clinical and myopathological features of 16 patients with Jo-1 syndrome. METHODS: Sixteen patients were recruited in this study, who were diagnosed as Jo-1 syndrome in Department of Neurology of Peking University First Hospital from January, 2011 to July, 2015. The clinical data and myopathological data were analyzed. RESULTS: The mean onset age was 41±14 (21-68) years old. 87.5% was female. The median duration was 9...
August 2, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27494797/use-of-panel-testing-for-detection-of-antinuclear-antibody-in-a-resource-limited-setting-an-appraisal
#16
Ranjana Walker Minz, Yashwant Kumar, Biman Saikia, Shashi Anand, Subhash Varma, Surjit Singh
OBJECTIVES: Despite an increase in the incidence of systemic connective tissue diseases (CTD), panel testing for detection of antinuclear antibodies (ANA) is not a routine practice in many health centers of the Indian subcontinent. Consequently, the data on its significance is scanty. METHODS: To evaluate utility of panel testing, line immunoassay (LIA) and indirect immunofluorescence antinuclear antibody test (IIF-ANA) were performed in 321 cases of CTD. RESULTS: Out of 321 serum samples screened by the above tests, 227 were positive and 18 were negative by both LIA and IIF-ANA...
November 2016: Postgraduate Medicine
https://www.readbyqxmd.com/read/27030700/arrhythmogenicity-of-anti-ro-ssa-antibodies-in-patients-with-torsades-de-pointes
#17
Pietro Enea Lazzerini, Yuankun Yue, Ujala Srivastava, Frank Fabris, Pier Leopoldo Capecchi, Iacopo Bertolozzi, Maria Romana Bacarelli, Gabriella Morozzi, Maurizio Acampa, Mariarita Natale, Nabil El-Sherif, Mauro Galeazzi, Franco Laghi-Pasini, Mohamed Boutjdir
BACKGROUND: In patients with autoimmune disease, anti-Ro/SSA antibodies (anti-Ro/SSA) are responsible for a novel autoimmune-associated long-QT syndrome by targeting the hERG potassium channel and inhibiting the related current (IKr). Because anti-Ro/SSA are also present in a significant proportion of healthy subjects and may be associated with torsades de pointes (TdP) arrhythmia, we tested the hypothesis that anti-Ro/SSA may represent a silent risk factor in patients developing TdP...
April 2016: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/26956184/comparison-of-antibody-assays-for-detection-of-autoantibodies-to-ro-52-ro-60-and-la-associated-with-primary-sj%C3%A3-gren-s-syndrome
#18
COMPARATIVE STUDY
Nicole Hartwig Trier, Inger Ødum Nielsen, Tina Friis, Gunnar Houen, Elke Theander
Anti-Ro(52/60) and anti-La constitute the hallmark autoantibodies in primary Sjögren's syndrome, being present in 40-70% of sera. Several anti-Ro/La assays exist, but antibody detection appears to be assay-specific, thus the aim of this study was to compare several anti-Ro/La assays. In total, 96 sera from individuals with primary Sjögren's syndrome and 114 healthy controls were tested for anti-Ro 52/60 and anti-La in 17 immunoassays. Especially the immunoassays used for detection of anti-Ro 52 differed in their sensitivity (48-79%), while only small differences in sensitivities were observed for the anti-Ro 60 (69-77%) anti-La (39-44%) assays...
June 2016: Journal of Immunological Methods
https://www.readbyqxmd.com/read/26753209/-evaluation-of-usefulness-of-polycheck-method-in-the-detection-autoantibodies-in-patients-with-systemic-lupus-erythematosus-sj%C3%A3-gren-s-syndrome-and-systemic-sclerosis
#19
Magdalena Dryglewskal, Maria Majdan, Arkadiusz Koszarny, Aleksandra Grytal, Maciej Grzywnowicz
INTRODUCTION: To recognize the connective tissue diseases (CTD), which include lupus erythematosus (SLE), Sjögren's syndrome (SS) and Systemic sclerosis (SSc) it is necessary to determine the presence of autoantibodies (Ab). There is still work going on to find effective and equivocal detection methods. THE AIM OF STUDY: To evaluate the usefulness, clinical value and innovativeness of the Polycheck method in the detection of autoantibodies in patients with connective tissue diseases...
2015: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/26676808/infliximab-induced-autoantibodies-a-multicenter-study
#20
MULTICENTER STUDY
João Luiz Pereira Vaz, Vander Fernandes, Felipe Nogueira, Adriano Arnóbio, Roger A Levy
The purpose of this study was to assess autoantibody incidence in patients treated with infliximab for various diseases, and the development of autoimmune diseases using a multicenter, longitudinal, open-label, phase IV observational study. All patients received anti-tumor necrosis factor (anti-TNF) according to local treatment guidelines. The autoantibodies assessed before and after infliximab treatment were ANA, anti-Sm, anti-dsDNA, anticardiolipin IgM/IgG, anti-Scl70, anti-centromere B, anti-chromatin, anti-ribosomal P, anti-Sm-RNP, anti-RNP A, anti-RNP 68 kD, anti-La/SSB, anti-Ro/SSA 52 kD and 60 kD, and anti-Jo1...
February 2016: Clinical Rheumatology
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