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Sjogren syndrome

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https://www.readbyqxmd.com/read/29457375/evidence-for-alternate-modes-of-b-cell-activation-involving-fab-acquired-n-glycosylations-in-antibody-secreting-cells-infiltrating-the-labial-salivary-glands-of-sj%C3%A3-gren-s-syndrome-patients
#1
Kristi A Koelsch, Joshua Cavett, Kenneth Smith, Jacen S Moore, Sylvain D Lehoux, Nan Jia, Tim Mather, Syed M S Quadri, Astrid Rasmussen, C Erick Kaufman, David M Lewis, Lida Radfar, Teresa A Scordino, Christopher J Lessard, Biji T Kurien, Richard D Cummings, Judith A James, Kathy L Sivils, A Darise Farris, R Hal Scofield
OBJECTIVE: To better understand the role of B cells, potential mechanisms for their aberrant activation, and the production of autoantibodies in the pathogenesis of Sjögren's Syndrome (SS), we explored selection pressures and N-glycosylation acquired by somatic mutation (acN-glyc) in the immunoglobulin (Ig) variable regions (V-regions) of antibody secreting cells (ASCs) isolated from the minor salivary glands of SS patients and non-SS controls with sicca symptoms. METHODS: We report a novel method to produce and characterize recombinant monoclonal antibodies (mAbs) from SS patient and control labial salivary gland single-cell sorted ASC infiltrates that can be utilized to concurrently probe any other expressed genes...
February 18, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29456945/audiological-profile-in-primary-sj%C3%A3-gren-s-syndrome-in-a-tertiary-care-setting-and-its-clinical-implications
#2
C V Thanooja, Ann Mary Augustine, Anjali Lepcha, Pulukool Sandhya, Amit Kumar Tyagi, Debashish Danda, Achamma Balraj
This study aims to assess the frequency and the profile of hearing loss among patients with primary Sjögren's syndrome in a tertiary care hospital in India and to look for an association between hearing loss and immunological parameters (anti-SSA antibody, anti-SSB antibody, anticardiolipin antibodies, complements C3 and C4). This prospective observational study was done from January 2011 to October 2011 on consecutive patients diagnosed with primary Sjögren's syndrome in our tertiary care hospital. All patients underwent a puretone audiogram, tympanogram and acoustic reflex testing...
March 2018: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/29453859/diminished-cxcr5-expression-in-peripheral-blood-of-patients-with-sj%C3%A3-gren-s-syndrome-may-relate-to-both-genotype-and-salivary-gland-homing
#3
Lara A Aqrawi, Margarita Ivanchenko, Albin Björk, Jorge I Ramírez Sepúlveda, Juliana Imgenberg-Kreuz, Marika Kvarnström, Philipp Haselmayer, Janicke Liaaen Jensen, Gunnel Nordmark, Karine Chemin, Kathrine Skarstein, Marie Wahren-Herlenius
Genetic investigations of Sjögren's syndrome (SS) have identified a susceptibility locus at p23.3 of chromosome 11, which contains the CXCR5 gene. CXCR5 is a chemokine receptor expressed on B and T cell subsets, and binds the chemotactic ligand CXCL13. We here aimed to link the genetic association with functional effects and explore the CXCR5/CXCL13 axis in SS. Expression quantitative trait loci analysis of the 11q23.3 locus was performed using B cell mRNA expression data from genotyped individuals. Lymphocyte surface markers were assessed by flow cytometry, and CXCL13 levels by a proximity extension assay...
February 17, 2018: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/29449025/-prospective-monocentric-uncontrolled-study-of-efficacy-tolerance-and-adherence-of-cyclosporin-0-1-for-severe-dry-eye-syndrome
#4
Y Boujnah, R Mouchel, H El-Chehab, C Dot, C Burillon, V Kocaba
PURPOSE: To evaluate the efficacy, tolerability and treatment adherence of Ikervis ® (Santen, SAS) (ciclosporine 0.1 %) for first line therapy or following treatment with Restasis ® (Allergan, Inc.) (ciclosporine 0.05 %) for severe dry eye syndrome. MATERIAL AND METHODS: A prospective, monocentric, uncontrolled study was conducted between January 2012 and March 2015 on 110 eyes of 55 patients with severe dry eye on first line therapy or previously treated with Restasis ® who required the introduction of Ikervis ® ...
February 12, 2018: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29447268/circulating-small-non-coding-rnas-reflect-ifn-status-and-b-cell-hyperactivity-in-patients-with-primary-sj%C3%A3-gren-s-syndrome
#5
Ana P Lopes, Maarten R Hillen, Eleni Chouri, Sofie L M Blokland, Cornelis P J Bekker, Aike A Kruize, Marzia Rossato, Joel A G van Roon, Timothy R D J Radstake
BACKGROUND: Considering the important role of miRNAs in the regulation of post-transcriptional expression of target genes, we investigated circulating small non-coding RNAs (snc)RNA levels in patients with primary Sjögren's syndrome (pSS). In addition we assessed if serum sncRNA levels can be used to differentiate patients with specific disease features. METHODS: Serum RNA was isolated from 37 pSS patients as well as 21 patients with incomplete Sjögren's Syndrome (iSS) and 17 healthy controls (HC) allocated to two independent cohorts: discovery and validation...
2018: PloS One
https://www.readbyqxmd.com/read/29445174/a-spatial-gradient-of-bacterial-diversity-in-the-human-oral-cavity-shaped-by-salivary-flow
#6
Diana M Proctor, Julia A Fukuyama, Peter M Loomer, Gary C Armitage, Stacey A Lee, Nicole M Davis, Mark I Ryder, Susan P Holmes, David A Relman
Spatial and temporal patterns in microbial communities provide insights into the forces that shape them, their functions and roles in health and disease. Here, we used spatial and ecological statistics to analyze the role that saliva plays in structuring bacterial communities of the human mouth using >9000 dental and mucosal samples. We show that regardless of tissue type (teeth, alveolar mucosa, keratinized gingiva, or buccal mucosa), surface-associated bacterial communities vary along an ecological gradient from the front to the back of the mouth, and that on exposed tooth surfaces, the gradient is pronounced on lingual compared to buccal surfaces...
February 14, 2018: Nature Communications
https://www.readbyqxmd.com/read/29444331/validation-of-the-acr-eular-criteria-for-primary-sj%C3%A3-gren-s-syndrome-in-a-dutch-prospective-diagnostic-cohort
#7
Jolien F van Nimwegen, Martha S van Ginkel, Suzanne Arends, Erlin A Haacke, Bert van der Vegt, Nicole Sillevis Smitt-Kamminga, Fred K L Spijkervet, Frans G M Kroese, Alja J Stel, Elisabeth Brouwer, Arjan Vissink, Hendrika Bootsma
Objectives: To validate the ACR-EULAR classification criteria for primary SS (pSS), and compare them to the American-European Consensus Group (AECG) and ACR criteria in a Dutch prospective diagnostic cohort. Methods: Consecutive patients (n = 129) referred for suspicion of pSS underwent a multidisciplinary evaluation, including a labial and/or parotid gland biopsy. Patients with an incomplete work-up (n = 8) or associated systemic auto-immune disease (n = 7) were excluded...
February 12, 2018: Rheumatology
https://www.readbyqxmd.com/read/29443033/a-method-for-the-measurement-of-salivary-gland-function-in-mice
#8
Harini Bagavant, Marta Trzeciak, Joanna Papinska, Indranil Biswas, Micah L Dunkleberger, Anna Sosnowska, Umesh S Deshmukh
Patients with Sjögren's syndrome, an autoimmune disease affecting the exocrine glands, develop salivary gland inflammation and have reduced saliva production. Similarly, saliva production is severely compromised in patients receiving radiation treatment for head and neck cancers. Rodent models, developed to mimic these clinical conditions, facilitate an understanding of the disease pathogenesis and allow for the development of new therapeutic strategies. Therefore, the ability to accurately, reproducibly, and repeatedly measure salivary gland function in animal models is critical...
January 25, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29442344/comparison-of-essdai-and-clinessdai-in-potential-optimisation-of-trial-outcomes-in-primary-sj%C3%A3-gren-s-syndrome-examination-of-data-from-the-uk-primary-sj%C3%A3-gren-s-syndrome-registry
#9
Alexandre Dumusc, Wan-Fai Ng, Katherine James, Bridget Griffiths, Elizabeth Price, Colin Pease, Paul Emery, Peter Lanyon, Adrian Jones, Michele Bombardieri, Nurhan Sutcliffe, Costantino Pitzalis, Monica Gupta, John McLaren, Annie Cooper, Ian Giles, David Isenberg, Vadivelu Saravanan, David Coady, Bhaskar Dasgupta, Neil McHugh, Steven Young-Min, Robert Moots, Nagui Gendi, Mohammed Akil, Francesca Barone, Benjamin Fisher, Saaeha Rauz, Andrea Richards, Simon Bowman
OBJECTIVES: To assess the use of the Clinical EULAR Sjögren's Syndrome Disease Activity Index (ClinESSDAI), a version of the ESSDAI without the biological domain, for assessing potential eligibility and outcomes for clinical trials in patients with primary Sjögren's syndrome (pSS), according to the new ACR-EULAR classification criteria, from the UK Primary Sjögren's Syndrome Registry (UKPSSR). METHODS: A total of 665 patients from the UKPSSR cohort were analysed at their time of inclusion in the registry...
February 14, 2018: Swiss Medical Weekly
https://www.readbyqxmd.com/read/29442259/lc-ms-based-serum-metabolomics-reveals-a-distinctive-signature-in-patients-with-rheumatoid-arthritis
#10
Ju Li, Nan Che, Lingxiao Xu, Qian Zhang, Qi Wang, Wenfeng Tan, Miaojia Zhang
Metabolomics has been applied to explore altered metabolite profiles in disease and identify unique metabolic signatures in recent years. We aim to characterize the metabolic profile of rheumatoid arthritis patients and explore its underlying pathological processes using metabolomics approach. Serum samples from 30 rheumatoid arthritis (RA) patients, 30 primary Sjogren's syndrome (pSS) patients, and 32 healthy controls (HC) were collected. The sample was analyzed by ultra-high-performance liquid chromatography coupled with high-resolution mass spectrometry (UPLC-HRMS)...
February 13, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29440872/topical-ocular-0-1-cyclosporine-a-cationic-emulsion-in-dry-eye-disease-patients-with-severe-keratitis-experience-through-the-french-early-access-program
#11
Pierre-Jean Pisella, Marc Labetoulle, Serge Doan, Beatrice Cochener-Lamard, Mourad Amrane, Dahlia Ismail, Catherine Creuzot-Garcher, Christophe Baudouin
Purpose: The objective of this study was to report the evaluation of efficacy and safety of cyclosporine A cationic emulsion (CsA CE) 0.1% for the treatment of severe keratitis in adults with dry eye disease (DED) in a French early-access program. Methods: Patients with DED and severe keratitis (corneal fluorescein staining [CFS] score of 3-5 on the Oxford scale and/or the presence of corneal lesions [filaments or ulcers]) were enrolled in a compassionate use program (Authorization for Temporary Use [ATU]) for once-daily CsA CE, which was approved by French health authorities prior to its registration...
2018: Clinical Ophthalmology
https://www.readbyqxmd.com/read/29439690/a-systematic-review-of-the-effects-of-acupuncture-on-xerostomia-and-hyposalivation
#12
Zainab Assy, Henk S Brand
BACKGROUND: Saliva is fundamental to our oral health and our well-being. Many factors can impair saliva secretion, such as adverse effects of prescribed medication, auto-immune diseases (for example Sjögren's syndrome) and radiotherapy for head and neck cancers. Several studies have suggested a positive effect of acupuncture on oral dryness. METHODS: Pubmed and Web of Science were electronically searched. Reference lists of the included studies and relevant reviews were manually searched...
February 13, 2018: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/29438346/sj%C3%A3-gren-like-lacrimal-keratoconjunctivitis-in-germ-free-mice
#13
Changjun Wang, Mahira Zaheer, Fang Bian, Darin Quach, Alton G Swennes, Robert A Britton, Stephen C Pflugfelder, Cintia S de Paiva
Commensal bacteria play an important role in the formation of the immune system but their role in the maintenance of immune homeostasis at the ocular surface and lacrimal gland remains poorly understood. This study investigated the eye and lacrimal gland phenotype in germ-free and conventional C57BL/6J mice. Our results showed that germ-free mice had significantly greater corneal barrier disruption, greater goblet cell loss, and greater total inflammatory cell and CD4⁺ T cell infiltration within the lacrimal gland compared to the conventionally housed group...
February 13, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29434340/glucocorticoid-receptor-expression-in-resident-and-hematopoietic-cells-in-igg4-related-disease
#14
Taku Iguchi, Koji Takaori, Akiko Mii, Yuki Sato, Yasunori Suzuki, Hajime Yoshifuji, Hiroshi Seno, Osamu Ogawa, Koichi Omori, Kazuhisa Bessho, Satoru Kondo, Tomokazu Yoshizaki, Hitoshi Nakashima, Takao Saito, Tsuneyo Mimori, Hironori Haga, Mitsuhiro Kawano, Motoko Yanagita
Immunoglobulin G4-related disease is a rare immune-mediated disease characterized by the infiltration of IgG4-positive plasma cells and unique storiform fibrosis of multiple organs. The majority of IgG4-related disease patients respond to glucocorticoids, yet the precise mechanism of their action remains unclear. Pathological sections of the submaxillary gland, kidney, and retroperitoneum from 20 patients in total diagnosed with IgG4-related disease were analyzed for glucocorticoid receptor expression and the cell types expressing glucocorticoid receptor...
February 12, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29433534/identification-of-a-novel-autoantibody-against-self-vimentin-specific-in-secondary-sj%C3%A3-gren-s-syndrome
#15
Yu-Hui Li, Ya-Ping Gao, Jie Dong, Lian-Jie Shi, Xiao-Lin Sun, Ru Li, Xue-Wu Zhang, Yu Liu, Li Long, Jing He, Qun-Jie Zhong, Eric Morand, Guang Yang, Zhan-Guo Li
BACKGROUND: Sjögren's syndrome (SS) is a primary autoimmune disease (pSS) or secondarily associated with other autoimmune diseases (sSS). The mechanisms underlying immune dysregulation in this syndrome remain unknown, and clinically it is difficult to diagnose owing to a lack of specific biomarkers. METHODS: We extracted immunoglobulins (Igs) from the sera of patients with sSS associated with rheumatoid arthritis (RA) and used them to screen a phage display library of peptides with random sequences...
February 12, 2018: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29432648/pilocarpine-and-artificial-saliva-for-the-treatment-of-xerostomia-and-xerophthalmia-of-sj%C3%A3-gren-s-syndrome-a-double-blind-control-trial
#16
M Cifuentes, P Del Barrio-Díaz, C Vera-Kellet
BACKGROUND: Sjögren's Syndrome (SS) is associated with xerostomia and xerophthalmia. Pilocarpine stimulates the secretion of saliva. OBJECTIVES: Investigate and compare the efficacy of pilocarpine and artificial saliva as symptomatic treatments for xerostomia and xerophthalmia in patients with SS. PATIENTS AND METHODS: A double-blind, randomized, controlled study was performed. 72 patients with SS were assigned randomly to receive ten drops of pilocarpine (5 mg) or 10 drops of artificial saliva, orally, t...
February 12, 2018: British Journal of Dermatology
https://www.readbyqxmd.com/read/29428807/the-imprint-of-salivary-secretion-in-autoimmune-disorders-and-related-pathological-conditions
#17
REVIEW
Kashi Raj Bhattarai, Raghupatil Junjappa, Mallikarjun Handigund, Hyung-Ryong Kim, Han-Jung Chae
Xerostomia is a state of oral dryness associated with salivary gland dysfunction and is induced by stress, radiation and chemical therapy, various systemic and autoimmune diseases, and specific medications. Fluid secretion is interrupted by the stimulation of neurotransmitter-induced increase in cytosolic calcium ([Ca 2+ ] i ) in salivary gland acinar cells, prompting the mobilization of ion channels and their transporters. Salivary fluid and protein secretion are principally dependent on parasympathetic and sympathetic nerves...
February 8, 2018: Autoimmunity Reviews
https://www.readbyqxmd.com/read/29428806/tcr%C3%AE-%C3%AE-cd3-cd4-cd8-double-negative-t-cells-in-autoimmunity
#18
REVIEW
D Brandt, C M Hedrich
TCRαβ+CD3+CD4-CD8-"double negative" (DN) T cells comprise a small subset of mature peripheral T cells. The origin and function of DN T cells are somewhat unclear and discussed controversially. While DN T cells resemble a rare and heterogeneous T cell subpopulation in healthy individuals, numbers of TCRαβ+DN T cells are expanded in several inflammatory conditions, where they also exhibit distinct effector phenotypes and infiltrate inflamed tissues. Thus, DN T cells may be involved in systemic inflammation and tissue damage in autoimmune/inflammatory conditions, including SLE, Sjögren's syndrome, and psoriasis...
February 8, 2018: Autoimmunity Reviews
https://www.readbyqxmd.com/read/29427009/anti-tubulin-%C3%AE-1c-autoantibody-in-systemic-lupus-erythematosus-a-novel-indicator-of-disease-activity-and-vasculitis-manifestations
#19
Xiaozhen Zhao, Yongjing Cheng, Yuzhou Gan, Rulin Jia, Lei Zhu, Xiaolin Sun
A variety of autoantibodies has been involved in the pathogenesis of systemic lupus erythematosus (SLE), some of which are well known and applied as disease biomarkers. This study aimed to determine the prevalence of a novel autoantibody, anti-tubulin-α-1C, in patients with SLE and investigate its clinical significance. Anti-tubulin-α-1C autoantibody levels were determined by enzyme-linked immunosorbent assay (ELISA) in 128 SLE patients, 38 primary Sjögren's syndrome (pSS) patients, and 106 healthy controls (HCs)...
February 9, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29425538/-etiological-profile-of-secondary-raynaud-s-phenomenon-in-an-internal-medicine-department-about-121-patients
#20
T Ben Salem, M Tougorti, S Bziouech, M Lamloum, M Khanfir, I Ben Ghorbel, M H Houman
INTRODUCTION: Raynaud's phenomenon is a reversible episodic vasospastic disorder triggered by cold or emotion. Two types of Raynaud's phenomenon were distinguished: Raynaud's disease and secondary Raynaud's phenomenon. The purpose of this study was to determine the etiologic profile of secondary Raynaud's phenomenon in an internal medicine department. METHODS: A descriptive retrospective study including patients with secondary Raynaud's phenomenon followed in a tertiary internal medicine department between 2000 and 2013...
February 2018: Journal de Médecine Vasculaire
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