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Clinical Rheumatology

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https://www.readbyqxmd.com/read/30014360/serum-il-4-and-its-gene-polymorphism-rs79071878-in-egyptian-children-with-familial-mediterranean-fever
#1
Huda Marzouk, Yomna Farag, Hadeel M El-Hanafi, Eman Ibrahim
Familial Mediterranean fever (FMF) is an autoinflammatory disorder. It is caused by mutations in the MEFV gene encoding the pyrin protein, which regulates the innate inflammatory response. The aim of the current study was to investigate the relationship between serum Interleukin-4 (IL-4) and its gene polymorphism, namely rs79071878, and FMF occurrence, severity, and response to treatment in Egyptian children harboring the disease. Fifty Egyptian children diagnosed as having FMF were included in this study. They were divided equally into two groups according to disease activity...
July 17, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/30014359/clinically-important-neutralizing-anti-drug-antibodies-detected-with-an-in-house-competitive-elisa
#2
Manca Ogrič, Polona Žigon, Katja Lakota, Sonja Praprotnik, David Drobne, Borut Štabuc, Snezna Sodin-Semrl, Saša Čučnik
Therapeutic drug monitoring of TNF-alpha inhibitors is crucial for evaluating patients with inflammatory diseases on a personalized level. It has been clinically observed that many patients receiving TNF-alpha inhibitors, with negative drug and anti-drug antibody results from bridging ELISA (bELISA), lose their drug response over time, despite dose optimization. Our aims were to develop innovative in-house competitive ELISAs (cELISAs) for the detection of neutralizing antibodies against infliximab and adalimumab and compare their results to reporter gene assay (RGA) and in-house bELISA...
July 16, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/30014358/from-autoinflammation-to-autoimmunity-old-and-recent-findings
#3
Francesco Caso, Luisa Costa, Valeria Nucera, Giuseppe Barilaro, Ignazio Francesco Masala, Rossella Talotta, Paolo Caso, Raffaele Scarpa, Piercarlo Sarzi-Puttini, Fabiola Atzeni
Autoimmune diseases and autoinflammatory diseases have a number of similar etiopathogenetic and clinical characteristics, including genetic predisposition and recurrent systemic inflammatory flares. The first phase of ADs involves innate immunity: by means of TLRs, autoantigen presentation, B and T cell recruitment and autoantibody synthesis. The second phase involves adaptive immunity, a self-sustaining process in which immune complexes containing nucleic acids and autoantibodies activate self-directed inflammation...
July 16, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/30014357/serum-25-hydroxyvitamin-d3-levels-and-flares-of-systemic-lupus-erythematosus-a-longitudinal-cohort-analysis
#4
Chi Chiu Mok, Eric T Bro, Ling Yin Ho, Ravinder J Singh, Paul J Jannetto
The aim of this study is to evaluate the relationship between baseline serum 25-hydroxyvitamin D3 levels and SLE activity/flares over time. This is a longitudinal study of 276 patients who fulfilled ≥ 4 ACR criteria for SLE and recruited in the year 2011. Serum samples were collected at baseline and assayed for 25-hydroxyvitamin D3 at the end of a mean follow-up of 32.5 months. Participants were stratified into three groups according to baseline 25-hydroxyvitamin D3 levels: group I (< 15 ng/ml, deficiency), group II (15-30 ng/ml, insufficiency), and group III (> 30 ng/ml, adequate)...
July 16, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/30008127/foot-function-in-rheumatoid-arthritis-patients-a-cross-sectional-study
#5
Agnes Patricia de Andrade, Elinah Narumi Inoue, Renato Nisihara, Thelma Larocca Skare
Rheumatoid arthritis (RA) is a chronic disease that affects mainly small joints from hands and feet. The aims of this study were to analyze the prevalence of foot involvement in a sample of Brazilian RA patients and to explore the influence of disease variables such as inflammatory activity, serological, and epidemiological profile in this type of involvement. One hundred RA patients and 100 healthy controls paired for gender, age, and body mass index answered the FFI-BR (Foot Functional Index-Brazilian version) that evaluates foot function...
July 14, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/30006919/prevalence-of-overlap-of-antineutrophil-cytoplasmic-antibody-associated-vasculitis-with-systemic-autoimmune-diseases-an-unrecognized-example-of-poliautoimmunity
#6
Eduardo Martín-Nares, Diego Zuñiga-Tamayo, Andrea Hinojosa-Azaola
We aimed to estimate the frequency of overlap of antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) with systemic autoimmune diseases. Retrospective single-center study to identify patients with AAV diagnosis and concomitant autoimmune systemic diseases, simultaneously, before or after the diagnosis of AAV. Sociodemographic characteristics, such as comorbidities; follow-up time; type of AAV; disease duration; relapses; treatment and response; clinical, serological, and histological characteristics; disease activity and damage; prognosis; dialysis requirements, and death were assessed...
July 14, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/30006918/serum-soluble-cxcl16-in-juvenile-systemic-lupus-erythematosus-a-promising-predictor-of-disease-severity-and-lupus-nephritis
#7
Arwa Mohammad Hassan, Nessma Mohamed Ahmed Farghal, Doaa Salah Hegab, Wesam Salah Mohamed, Hend Hassan Abd-Elnabi
Juvenile systemic lupus erythematosus (jSLE) is a multisystem autoimmune disease of unpredicted course and prognosis. Rates of organ involvement in SLE are higher in children, and overt lupus nephropathy is more often a presenting manifestation of SLE in children than adults. Inflammatory soluble chemokine CXC motif-ligand 16 (sCXCL16) is an important pathogenic mediator in inflammatory diseases as SLE. Herein, we aimed to evaluate serum level of sCXCL16 in jSLE patients in comparison to healthy controls and to correlate it with disease activity and extent of cutaneous and renal affection, to detect its possible role in disease pathogenesis...
July 13, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/30006917/long-term-follow-up-of-nailfold-videocapillaroscopic-changes-in-dermatomyositis-versus-systemic-sclerosis-patients
#8
C Pizzorni, M Cutolo, A Sulli, B Ruaro, A C Trombetta, G Ferrari, G Pesce, V Smith, S Paolino
To identify nailfold videocapillaroscopy (NVC) changes in patients with dermatomyositis (DM) during a 3-year follow-up and to compare the NVC findings between DM and systemic sclerosis (SSc) patients at their first visit. Retrospective study of 24 DM and 24 SSc patients, matched for age and disease duration at first NVC. Capillaroscopic patterns/scores and clinical parameters had been yearly assessed. Nineteen out of 24 DM patients (79%) showed a NVC "scleroderma-like pattern." No statistically significant variation of all the capillaroscopic scores was observed during the 3-year follow-up...
July 13, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/30006916/baricitinib-a-janus-kinase-inhibitor-in-the-treatment-of-rheumatoid-arthritis-a-systematic-literature-review-and-meta-analysis-of-randomized-controlled-trials
#9
Sumit Kunwar, Christopher E Collins, Florina Constantinescu
Janus kinases (JAKs) play an important role in intracellular signaling for multiple cytokines in the pathogenesis of RA. Baricitinib is an oral, selective JAK 1 and 2 inhibitor which has been shown to be effective in the treatment of RA in several clinical trials. This meta-analysis aims to aggregate currently available data to assess the overall efficacy and safety of baricitinib in RA. We searched PubMed, EMBASE, and Cochrane CENTRAL from inception through 09/24/17 with restriction to English language. We excluded meeting abstracts without full text publication...
July 13, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/30003442/assessing-the-causal-association-between-smoking-behavior-and-risk-of-gout-using-a-mendelian-randomization-study
#10
Young Ho Lee
This study aimed to examine whether smoking behavior is causally related to gout. Summary statistics of publicly available data from genome-wide association studies (GWAS) of smoking behavior (n = 85,997) served as the exposure dataset, while meta-analysis results of 14 studies including 2115 cases and 67,259 controls of European descent served as the outcome dataset. The data were subjected to two-sample Mendelian randomization (MR) analysis using the inverse-variance weighted (IVW), weighted median, and MR-Egger regression methods...
July 12, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/30003441/non-steroidal-anti-inflammatory-drug-induces-luteinized-unruptured-follicle-syndrome-in-young-female-juvenile-idiopathic-arthritis-patients
#11
Renato B Tomioka, Gabriela R V Ferreira, Nadia E Aikawa, Gustavo A R Maciel, Paulo C Serafini, Adriana M Sallum, Lucia M A Campos, Claudia Goldestein-Schainberg, Eloisa Bonfá, Clovis A Silva
To assess prospectively luteinized unruptured follicle (LUF) syndrome in juvenile idiopathic arthritis (JIA) patients with and without non-steroidal anti-inflammatory drugs (NSAIDs) and healthy controls. Twenty-three adolescent and young adult female JIA patients (ILAR criteria) and 11 female healthy subjects were studied by pelvic ultrasound monitoring for follicular development and ovulation in one menstrual cycle. LUF syndrome was prospectively investigated by pelvic ultrasound with a dominant ovarian follicle without signs of follicular rupture, with elevation of serum progesterone in the luteal phase of the menstrual cycle and luteinizing hormone (LH) detected in the urine...
July 12, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/30003440/evaluating-the-diagnostic-and-prognostic-value-of-lone-anti-sm-for-autoimmune-diseases-using-euroimmun-line-immunoassays
#12
Yanming Meng, Shu Deng, Zhuochun Huang, Jing Hu, Junlong Zhang, Danjun Xu, Shuyun Qin, Chunyu Tan, Yongkang Wu
To investigate the value of lone anti-Smith antibody (anti-Sm) using Euroimmun line immunoassay (LIA) in a Chinese population. One thousand two hundred eight of 39,766 patients who were analyzed for anti-Sm had positive anti-Sm, and were divided into true group (having both positive Sm and nRNP/Sm bands) and lone group (only having Sm band without nRNP/Sm band). The proportions of clinical diagnosis of autoimmune diseases (AIDs), non-autoimmune diseases (NAIDs), concentration of C3, C4, and rheumatoid factor (RF), positive rate of autoantibodies of antinuclear antibody (ANA) profile, and titer of anti-Sm and ANA in systemic lupus erythematosus (SLE) patients were analyzed...
July 12, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29998369/decreased-serum-thrombospondin-1-and-elevation-of-its-autoantibody-are-associated-with-multiple-exacerbated-clinical-manifestations-in-systemic-lupus-erythematosus
#13
Yang Meng, Meng Zhang, Xiaozhen Zhao, Yongjing Cheng, Rulin Jia, Yan Wang, Xiaolin Sun
The pathological effects of thrombospondin-1 (TSP-1) have been studied in many preclinical tumor models and rheumatoid arthritis. However, the role of TSP-1 and anti-thrombospondin-1 autoantibodies (ATSA) in systemic lupus erythematosus (SLE) has not been specifically defined. In this study, we investigated the clinical relevance and functional significance of TSP-1 and ATSA in SLE patients. Serum levels of TSP-1 and ATSA were measured by ELISA in 138 adult SLE patients and 60 healthy controls. Blood cell counts, rheumatoid factor (RF), immunoglobulins, erythrocyte sedimentation rate (ESR), complements, and SLE-related autoantibodies were measured by standard laboratory techniques...
July 11, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29998368/serum-baff-and-april-levels-in-indian-patients-with-takayasu-arteritis
#14
Abhishek Zanwar, Avinash Jain, Latika Gupta, Smirti Chaurasia, Sandeep Kumar, Durga Prasanna Misra, Ramnath Misra
Despite many studies focused on involvement of T cell in pathogenesis of Takayasu arteritis (TaK), very few have explored the role of B cells. Hence, we sought evidence of B cell involvement in a large cohort of TaK by measuring serum levels of B cell survival factors activation factor (BAFF) and A proliferation inducing ligand (APRIL). Serum BAFF and APRIL levels were measured by ELISA in 50 patients and 48 healthy individuals, and further assessed for correlation with outcome measures, such as Indian Takayasu Clinical Activity Score-ESR (ITAS-ESR) and Takayasu arteritis Damage score (TADS)...
July 11, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29995219/parathyroid-hormone-is-a-determinant-of-serum-dickkopf-1-levels-in-ankylosing-spondylitis
#15
Giovanni Orsolini, Giovanni Adami, Maurizio Rossini, Francesco Ghellere, Cristian Caimmi, Angelo Fassio, Luca Idolazzi, Davide Gatti, Ombretta Viapiana
Available studies reported contradictory results about serum levels Dickkopf-1 (DKK1), an inhibitor of Wnt signaling in patients with ankylosing spondylitis (AS). In previous studies, we observed in other conditions that parathyroid hormone (PTH) serum levels were an important determinant of DKK1 serum levels. The aim of the present study was to investigate it in patients with AS. We recruited 71 patients diagnosed with AS. Levels of C-reactive protein (CRP), DKK1, PTH, 25OH-vitamin D, and bone turnover markers (intact N-propeptide of type I collagen, P1NP, and C-terminal telopeptide of type I collagen, CTX) were measured and compared to healthy controls (HC)...
July 11, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29992393/adverse-childhood-experience-and-rheumatic-diseases
#16
Ana Paula Lopes Luiz, Heloisa de Alencar Antico, Thelma Larocca Skare, Angelica Beate Winter Boldt, Renato Nisihara
It has been suggested that the adaptive stress response may be disrupted by life adverse events such as childhood maltreatment. To investigate if the number of adverse childhood experiences (ACEs) increases susceptibility to systemic lupus erythematosus (SLE), spondyloarthritis (SpA), scleroderma (SSc), and rheumatoid arthritis (RA), we interviewed 315 patients with rheumatic disease (100 SLE; 40 SSc; 60 SpA; 115 RA) and 272 controls, using questions of the ACEs study questionnaire validated to ask about experiences of childhood abuse, negligence, domestic violence, and household dysfunctions...
July 10, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29987428/microrna-146a-expression-and-microrna-146a-rs2910164-polymorphism-in-behcet-s-disease-patients
#17
W Ibrahim, B R Sakr, E Obaya, H Ghonem
Behcet's disease is a chronic, multisystem, inflammatory disease of unknown etiology. Oral ulcers, genital ulcers, cutaneous lesions, and ocular and articular involvement are the prominent features of the disease. The aim of the study was to assess expression of microRNA-146a and its gene polymorphism in Egyptian Behcet's disease (BD) patients and to evaluate their possible relation with clinical manifestations and activity. This is a case-control study, included 47 BD Egyptian patients, recruited from the Rheumatology outpatient clinic, Kasr Alainy Hospital, Cairo University Hospitals, and 50 healthy controls...
July 10, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29987427/intravenous-cyclophosphamide-pulse-therapy-in-interstitial-lung-disease-associated-with-systemic-sclerosis-in-a-retrospective-open-label-study-influence-of-the-extent-of-inflammation-on-pulmonary-function
#18
W M T van den Hombergh, S O Simons, E Teesselink, H K A Knaapen-Hans, F H J van den Hoogen, J Fransen, M C Vonk
Interstitial lung disease (ILD) is the primary cause of death in patients with systemic sclerosis (SSc). It is thought that chronic inflammation is a key component in SSc-ILD. Treatment, such as cyclophosphamide (CYC), targets this inflammation. We hypothesized that treatment with CYC might be more effective in the inflammatory phase. Therefore, we analyzed whether the extent of inflammation, as assessed by the proportion of ground glass compared to fibrosis, SSc disease duration, the extent of ILD, or baseline diffusion capacity of the lungs (DLCO) < 60%, modifies the effect of intravenous CYC pulse therapy (750 mg/m2 ) on pulmonary function (as measured by FVC, DLCO) in SSc-ILD patients, after 12, 24, and 36 months...
July 10, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29987426/clinical-characteristics-and-risk-factors-of-infections-in-patients-with-systemic-lupus-erythematosus
#19
Chengcheng Hou, Ou Jin, Xi Zhang
To investigate the clinical characteristics of infection in SLE patients and analyze the risk factors of infection. A retrospective analysis method was used and the data were collected from 173 case times of 142 hospitalized patients. We found the incidence rate of infections in SLE was 50.7%. The most common infection sites were lungs, followed by upper respiratory tracts and urinary tracts. The most common pathogens were bacteria, followed by fungi. The infection-associated risk factors were duration of hospitalization, lupus activity state, the use of high-dose corticosteroids and immunosuppressive agents, the low serum level of complements 3 and 4 (C3 and C4), fever, the high level of erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP), the abnormality of white blood cell (< 4 × 109 /L or > 10 × 109 /L), and the low level of albumin (P < 0...
July 9, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29982913/development-and-effect-of-antibodies-to-anakinra-during-treatment-of-severe-caps-sub-analysis-of-a-long-term-safety-and-efficacy-study
#20
Margareta Wikén, Bengt Hallén, Torbjörn Kullenberg, Lisa Osterling Koskinen
Anakinra is an effective, well-tolerated, long-term anti-inflammatory treatment for cryopyrin-associated periodic syndromes (CAPS), yet evidence shows that it can induce the development of anti-drug antibodies (ADA). This analysis aims to determine ADA occurrence in CAPS patients and elucidate their effects on anakinra dosing and drug efficacy. A post hoc analysis was performed on data from a long-term safety and efficacy study in patients with severe CAPS. Patients were initiated on an anakinra dose of 1.0-2...
July 7, 2018: Clinical Rheumatology
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