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Autoimmune Diseases

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https://read.qxmd.com/read/30584474/identification-of-levels-of-serum-amyloid-a-and-apolipoprotein-a1-in-serum-proteomic-analysis-of-neuropsychiatric-systemic-lupus-erythematosus-patients
#1
Nancy P Duarte-Delgado, Tania P Lujan, Álvaro Arbeláez-Cortés, Jenny García-Valencia, Adriana Zapata, Mauricio Rojas, Mauricio Restrepo-Escobar, Gloria Vásquez, Blanca L Ortiz-Reyes
Neuropsychiatric Systemic Lupus Erythematosus (NPSLE) has multiple pathogenic mechanisms that cause diverse manifestations and whose diagnosis is challenging because of the absence of appropriate diagnostic tests. In the present study the application of proteomics using two-dimensional electrophoresis (2D) and mass spectrometry (MS) allowed the comparison of the protein profile of the serum low and high abundance protein fractions of NPSLE patients (NPSLE group) and SLE without neuropsychiatric syndromes (SLE group), Neuropsychiatric syndromes not associated with SLE (NPnoSLE groups), and healthy controls (CTRL group)...
2018: Autoimmune Diseases
https://read.qxmd.com/read/30410794/nail-involvement-in-patients-with-psoriatic-arthritis-in-northern-iran
#2
O Zargari, E Kazemnezhad Leyli, S Z Azimi
Background: Psoriatic arthritis (PsA) results in an increased burden of psoriasis and impairs both quality of life and an individual's functional capacity. The relationship between nail involvement and PsA in psoriasis is not fully characterized. Aim: To evaluate the frequency and characteristics of nail involvement in psoriatic patients and to assess the relationship with joint involvement. Methods: A total of 197 patients with moderate-to-severe psoriasis were consecutively invited to participate in this cross-sectional study...
2018: Autoimmune Diseases
https://read.qxmd.com/read/30364021/relationships-among-antibodies-against-extractable-nuclear-antigens-antinuclear-antibodies-and-autoimmune-diseases-in-a-brazilian-public-hospital
#3
Fernanda Weyand Banhuk, Bruna Corrêa Pahim, Alex Sandro Jorge, Rafael Andrade Menolli
One characteristic of autoimmune diseases (ADs) is the production of autoantibodies for extractable nuclear autoantigens, which may aid in the discrimination of the different types of autoimmune diseases and is related to different antinuclear antibody (ANA) patterns. The present study verified the profile of patient samples tested for extractable nuclear antigens (ENA) antibodies in a public hospital and correlated the ENA results with ANA patterns and patient diagnoses. The study reviewed data in the medical records of patients who underwent anti-ENA tests at a public hospital in the West of the State of Paraná from February 2011 to January 2017...
2018: Autoimmune Diseases
https://read.qxmd.com/read/29593898/role-of-mast-cells-in-oral-lichen-planus-and-oral-lichenoid-reactions
#4
Suganya Ramalingam, Narasimhan Malathi, Harikrishnan Thamizhchelvan, Narasimhan Sangeetha, Sharada T Rajan
Introduction: Oral lichen planus (OLP) is a chronic T cell mediated disease of oral mucosa, skin, and its appendages with a prevalence of 0.5 to 2.6% worldwide. Oral lichenoid reactions (OLR) are a group of lesions with diverse aetiologies but have clinical and histological features similar to OLP, thereby posing a great challenge in differentiating both lesions. Mast cells are multifunctional immune cells that play a major role in the pathogenesis of lichen planus by release of certain chemical mediators...
2018: Autoimmune Diseases
https://read.qxmd.com/read/29435367/anti-myeloperoxidase-antibodies-associate-with-future-proliferative-lupus-nephritis
#5
S W Olson, J J Lee, M Poirier, D J Little, L K Prince, T P Baker, J D Edison, K C Abbott
Background: The subclinical pathophysiology of proliferative lupus nephritis (PLN) has not been fully elucidated. Myeloperoxidase anti-neutrophil cytoplasmic antibody (MPO-ANCA) is associated with PLN, but prediagnostic levels have not been reported. Methods: We performed a retrospective case-control Department of Defense Serum Repository (DoDSR) study comparing MPO-ANCA levels in longitudinal prediagnostic serum samples for 23 biopsy confirmed proliferative lupus nephritis (PLN) patients to DoDSR identified age, sex, race, and age of serum matched healthy and SLE without LN disease controls...
2017: Autoimmune Diseases
https://read.qxmd.com/read/29318043/frequency-and-type-of-hepatic-and-gastrointestinal-involvement-in-juvenile-systemic-lupus-erythematosus
#6
Leila Tahernia, Hosein Alimadadi, Fatemeh Tahghighi, Zahra Amini, Vahid Ziaee
Background: Systemic lupus erythematosus (SLE) is a frequent rheumatology disorder among children. Since hepatic involvement is a common systemic manifestation in lupus, the frequency and type of hepatic involvement were determined in pediatric cases of SLE admitted to Children's Medical Hospital from 2005 to 2014. Methods and Patients: In this observational case-series study, 138 pediatric cases of SLE were admitted in Children's Medical Center (a pediatric rheumatology referral center in Tehran, Iran) enrolled from 2005 to 2014 and the outcomes, frequency, and type of hepatic involvement were assessed among them...
2017: Autoimmune Diseases
https://read.qxmd.com/read/29318042/increased-whole-blood-viscosity-is-associated-with-the-presence-of-digital-ulcers-in-systemic-sclerosis-results-from-a-cross-sectional-pilot-study
#7
Peter Korsten, Timothy B Niewold, Michael Zeisberg, Tammy O Utset, Daniel Cho, Lawrence S Zachary, Nadera J Sweiss, Suncica Volkov
Objective: To investigate the role of whole blood viscosity in digital ulcer (DU) development in patients with diffuse and limited Systemic sclerosis. Methods: A convenience sample of patients with Systemic sclerosis (SSc) was selected from the adult Rheumatology clinic at the University of Chicago. The study group consisted of patients with SSc (with ulcers present, a history of ulcers, and no ulcers); the control group consisted of matched healthy Rheumatology clinic staff...
2017: Autoimmune Diseases
https://read.qxmd.com/read/28116147/clinical-and-immunologic-profiles-in-incomplete-lupus-erythematosus-and-improvement-with-hydroxychloroquine-treatment
#8
Nancy J Olsen, Carl McAloose, Jamie Carter, Bobby Kwanghoon Han, Indu Raman, Quan-Zhen Li, Duanping Liao
Objective . The study goals were to evaluate performance of SLE classification criteria, to define patients with incomplete lupus erythematosus (ILE), and to probe for features in these patients that might be useful as indicators of disease status and hydroxychloroquine response. Methods . Patients with ILE ( N = 70) and SLE ( N = 32) defined by the 1997 American College of Rheumatology criteria were reclassified using the 2012 Systemic Lupus International Collaborating Clinics criteria. Disease activity, patient reported outcomes, and levels of Type I interferon- (IFN-) inducible genes, autoantibodies, and cytokines were measured...
2016: Autoimmune Diseases
https://read.qxmd.com/read/28116146/gakg-rgekg-an-epitope-that-provokes-immune-cross-reactivity-between-prevotella-sp-and-human-collagen-evidence-of-molecular-mimicry-in-chronic-periodontitis
#9
Gustavo Alberto Obando-Pereda
Periodontal disease afflicts 20% of world population. This process usually occurs in the form of being lethargic and chronic, and consequently this disease is known as chronic process. All chronic diseases constantly cause activation of the immune system, and therefore the presentation of microbial peptides which are presented to lymphocytes by professional antigen presenting cells can present microbial peptides very similar to important structures of human economy causing autoimmune diseases, process known as molecular mimicry...
2016: Autoimmune Diseases
https://read.qxmd.com/read/28070418/infiltrating-cd16-are-associated-with-a-reduction-in-peripheral-cd14-cd16-monocytes-and-severe-forms-of-lupus-nephritis
#10
Anabel Barrera García, José A Gómez-Puerta, Luis F Arias, Catalina Burbano, Mauricio Restrepo, Adriana L Vanegas, Carlos H Muñoz, Mauricio Rojas, Luis A González, Gloria Vásquez
Our aim was to characterize glomerular monocytes (Mo) infiltration and to correlate them with peripheral circulating Mo subsets and severity of lupus nephritis (LN). Methods . We evaluated 48 LN biopsy samples from a referral hospital. Recognition of Mo cells was done using microscopic view and immunohistochemistry stain with CD14 and CD16. Based on the number of cells, we classified LN samples as low degree of diffuse infiltration (<5 cells) and high degree of diffuse infiltration (≥5 cells). Immunophenotyping of peripheral Mo subsets was done using flow cytometry...
2016: Autoimmune Diseases
https://read.qxmd.com/read/28042478/presence-of-dq2-2-associated-with-dq2-5-increases-the-risk-for-celiac-disease
#11
Lucas Malta Almeida, Lenora Gandolfi, Riccardo Pratesi, Rosa Harumi Uenishi, Fernanda Coutinho de Almeida, Nicole Selleski, Yanna Karla de Medeiros Nóbrega
Background. Celiac disease (CD) is a genetically determined immune-mediated disorder in which gluten immunogenic peptides are presented to CD4 T cells by HLA-DQ2.5, DQ8, DQ2.2, and their combinations. Our aim is to establish a risk gradient for celiac disease based on HLA-DQ profile in a brazilian representative population and the relevance of DQ2.2 in celiac disease development. Materials and Methods. 237 celiac patients and 237 controls (both groups with 164 females and 73 males) were included. All samples were tested for the presence of predisposing HLA-DQ alleles using the PCR-SSP method...
2016: Autoimmune Diseases
https://read.qxmd.com/read/27800178/the-prevalence-of-s-aureus-skin-and-soft-tissue-infections-in-patients-with-pemphigus
#12
Zeinab Fagheei Aghmiyuni, Ahmad Khorshidi, Rezvan Moniri, Tahereh Soori, Seyed Gholam Abbas Musavi
Pemphigus vulgaris are autoimmune blistering diseases that may result in significant morbidity and death. Immunosuppressive therapy of pemphigus vulgaris would predispose the patients to infections. The aim of this study was to assess the prevalence of S. aureus infection and PVL gene in patients with pemphigus admitted to dermatology clinic. Materials and Methods . This descriptive study was conducted on 196 pemphigus vulgaris patients (119 males, 77 females) admitted to dermatology clinic between 2014 and 2015...
2016: Autoimmune Diseases
https://read.qxmd.com/read/27559482/-18-f-fluoro-deoxy-glucose-positron-emission-tomography-scan-should-be-obtained-early-in-cases-of-autoimmune-encephalitis
#13
C R Newey, A Sarwal, S Hantus
Introduction. Autoimmune encephalitis (AE) is a clinically challenging diagnosis with nonspecific neurological symptoms. Prompt diagnosis is important and often relies on neuroimaging. We present a case series of AE highlighting the importance of an early [(18)F]-fluoro-deoxy-glucose positron emission tomography (FDG-PET) scan. Methods. Retrospective review of seven consecutive cases of autoimmune encephalitis. Results. All patients had both magnetic resonance imaging (MRI) and FDG-PET scans. Initial clinical presentations included altered mental status and/or new onset seizures...
2016: Autoimmune Diseases
https://read.qxmd.com/read/27069677/correlation-of-serum-soluble-interleukin-7-receptor-and-anti-c1q-antibody-in-patients-with-systemic-lupus-erythematosus
#14
Shuhong Chi, Jing Xue, Feng Li, Caixia Zhu, Yunxia Yu, Haibo Li, Xuemei Wang, Yurong Zhang, Jijuan Yang, Shaolan Zhou, Lijuan Yang, Chen Ji, Xiaoming Liu
Background. Serum concentrations of soluble interleukin-7 receptor (sIL-7R) and anti-C1q antibody have recently been identified as unique serological markers for lupus nephritis (LN) in patients with systemic lupus erythematosus (SLE). In this study, we evaluated the correlation of serum sIL-7R and anti-C1q in SLE patients. Methods. Sera from 134 patients with SLE and 84 healthy cohorts were tested for levels of sIL-7R and anti-C1q antibodies in terms of ELISA. Correlations of the sIL-7R and anti-C1q autoantibodies were evaluated...
2016: Autoimmune Diseases
https://read.qxmd.com/read/27034824/increased-circulating-th17-cells-serum-il-17a-and-il-23-in-takayasu-arteritis
#15
Durga Prasanna Misra, Smriti Chaurasia, Ramnath Misra
Introduction. Th17, γδT, NK, and NKT cells in peripheral blood and serum IL-17 and IL-23 in Takayasu arteritis (TA) were measured and correlated with disease activity. Methods. Th17 (anti-CD3APC, CD4PECy7, and IL-17PE), NKT, NK (anti-CD3APC, CD56FITC), and γδT (anti-CD3FITC and γδTCRAPC) cells were enumerated by flow cytometry in peripheral blood of 30 patients with TA (ACR1990 criteria) and 20 healthy controls, serum IL-17 and IL-23 measured by ELISA. Relation with disease activity (NIH criteria, ITAS2010) was analyzed (using nonparametric tests, median with interquartile range)...
2016: Autoimmune Diseases
https://read.qxmd.com/read/26989506/mechanism-of-xinfeng-capsule-on-adjuvant-induced-arthritis-via-analysis-of-urinary-metabolomic-profiles
#16
Hui Jiang, Jian Liu, Ting Wang, Jia-Rong Gao, Yue Sun, Chuan-Bing Huang, Mei Meng, Xiu-Juan Qin
We aimed to explore the potential effects of Xinfeng capsule (XFC) on urine metabolic profiling in adjuvant-induced arthritis (AA) rats by using gas chromatography time-of-flight mass spectrometry (GC-TOF/MS). GC-TOF/MS technology was combined with multivariate statistical approaches, such as principal component analysis (PCA), partial least squares discriminant analysis (PLS-DA), and orthogonal projections to latent structures discriminant analysis (OPLS-DA). These methods were used to distinguish the healthy group, untreated group, and XFC treated group and elucidate potential biomarkers...
2016: Autoimmune Diseases
https://read.qxmd.com/read/26925260/prooxidant-antioxidant-balance-in-patients-with-systemic-lupus-erythematosus-and-its-relationship-with-clinical-and-laboratory-findings
#17
Seyyed Mehdi Jafari, Saeedeh Salimi, Alireza Nakhaee, Hamed Kalani, Shima Tavallaie, Farzaneh Farajian-Mashhadi, Zahra Zakeri, Mahnaz Sandoughi
Aim. This study was aimed at evaluating prooxidant-antioxidant balance (PAB) in patients with systemic lupus erythematosus (SLE) and its relationship with laboratory findings and clinical manifestations. Methods. In this case-control study, 60 patients with SLE and 60 healthy individuals were enrolled. The blood samples were collected and their sera were separated. Subsequently, the prooxidant-antioxidant balance value was evaluated using PAB assay for each sample. Results. The mean of PAB values in SLE patients was significantly higher than healthy controls (147...
2016: Autoimmune Diseases
https://read.qxmd.com/read/26885383/risk-factors-and-adverse-events-poorly-predict-infections-and-hypogammaglobulinemia-in-granulomatosis-with-polyangiitis-patients-receiving-rituximab
#18
Emilio Besada
Background. 29 GPA patients from the Northern Norway vasculitis disease registry received rituximab (RTX) induction and maintenance. 24% and 31% had, respectively, severe and chronic infections while 45% had hypogammaglobulinemia and 28% discontinued RTX due to hypogammaglobulinemia. The aim of the study was to examine how known predictors and adverse events interacted with adverse events using structural statistical methods. Methods. Five predictors (age, cyclophosphamide, total Ig and CD4/CD8 ratio prior RTX, and type of RTX maintenance regimen) and 4 adverse events (severe and chronic infections, hypogammaglobulinemia, and RTX discontinuation) were modeled in principal component and redundancy analyses...
2016: Autoimmune Diseases
https://read.qxmd.com/read/26613049/pentraxin-3-plasma-levels-and-disease-activity-in-systemic-lupus-erythematosus
#19
Roberto Assandri, Marta Monari, Anna Colombo, Alessandra Dossi, Alessandro Montanelli
SLE is an autoimmune disorder that involves polyclonal autoimmunity against multiple autoantigens. PTX3, a marker of the acute-phase inflammatory response, plays an important role in innate immunity and in modulation of the adaptive immune response. Our study tried to resolve some rather controversial aspects of the use of PTX3 as a biomarker of disease activity in SLE patients. We demonstrated that plasma PTX3 concentration of the SLE patients was significantly higher than the healthy control groups and reflected disease activity...
2015: Autoimmune Diseases
https://read.qxmd.com/read/26457200/the-attenuated-live-yellow-fever-virus-17d-infects-the-thymus-and-induces-thymic-transcriptional-modifications-of-immunomodulatory-genes-in-c57bl-6-and-balb-c-mice
#20
Breno Luiz Melo-Lima, Danillo Lucas Alves Espósito, Benedito Antônio Lopes da Fonseca, Luiz Tadeu Moraes Figueiredo, Philippe Moreau, Eduardo Antonio Donadi
Thymus is involved in induction of self-tolerance in T lymphocytes, particularly due to Aire activity. In peripheral tissues, Treg cells and immunomodulatory molecules, like the major histocompatibility complex (MHC) class Ib molecules, are essential for maintenance of autotolerance during immune responses. Viral infections can trigger autoimmunity and modify thymic function, and YFV17D immunization has been associated with the onset of autoimmunity, being contraindicated in patients with thymic disorders. Aiming to study the influence of YFV17D immunization on the transcriptional profiles of immunomodulatory genes in thymus, we evaluated the gene expression of AIRE, FOXP3, H2-Q7 (Qa-2/HLA-G), H2-T23 (Qa-1/HLA-E), H2-Q10, and H2-K1 following immunization with 10,000 LD50 of YFV17D in C57BL/6 and BALB/c mice...
2015: Autoimmune Diseases
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