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Sjogren's syndrome;biopsy

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https://www.readbyqxmd.com/read/28928382/functional-effects-of-proinflammatory-factors-present-in-sj%C3%A3-gren-s-syndrome-salivary-microenvironment-in-an-in-vitro-model-of-human-salivary-gland
#1
Mayte Arce-Franco, María Dominguez-Luis, Martina K Pec, Carlos Martínez-Gimeno, Pablo Miranda, Diego Alvarez de la Rosa, Teresa Giraldez, José María García-Verdugo, José David Machado, Federico Díaz-González
Primary Sjögren's syndrome (pSS) is an autoimmune exocrinopathy in which the role that the immune response plays in reducing exocrine gland function, including the glandular microenvironment of cytokines, has not been fully understood. Epithelial cells from biopsies of human parotid gland (HPG) were used to establish a model of human salivary gland in vitro. In this model, the functional consequences of several proinflammatory soluble factors present in the pSS glandular microenvironment were assessed. Stimulation with isoproterenol and calcium produced a significant increase in the basal activity of amylase in the HPG cell supernatants...
September 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28904462/clinical-spectrum-therapeutic-outcomes-and-prognostic-predictors-in-sjogren-s-syndrome-associated-neuropathy
#2
Ajith Sivadasan, Karthik Muthusamy, Bimal Patel, Rohit Ninan Benjamin, A T Prabhakar, Vivek Mathew, Sanjith Aaron, Mathew Alexander
OBJECTIVES: There are limited data regarding long-term follow-up and therapeutic outcomes in Sjogren's syndrome (SS)-associated peripheral neuropathy. In this study, we aim to study the clinical, electrophysiological spectrum and therapeutic responses among the different subtypes of SS-associated neuropathy. The predictors of suboptimal treatment response will be identified. METHODS: The study included a retrospective cohort of patients with SS-associated neuropathy between January 2012 and November 2015...
July 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/28864093/biopsy-proven-renal-involvement-and-prognosis-in-13-hispanic-patients-with-primary-sj%C3%A3-gren-syndrome
#3
Diego Luis Carrillo-Pérez, Javier Tejeda-Maldonado, Carlos Garza-García, Virgilia Soto-Abraham, Gabriela Hernández-Molina, Giovanni Arnoldo Molina-Paredes, Norma O Uribe-Uribe, Luis E Morales-Buenrostro
BACKGROUND: The aim of this study was to describe a case series of 13 Hispanic patients with primary Sjögren syndrome (pSS) and biopsy-proven renal involvement. METHODS: We describe the clinical, serological and histological characteristics as well as the prognosis in a group of patients with pSS and biopsy-proven renal involvement, treated in 2 referral nephrology units in Mexico City. RESULTS: Thirteen patients with pSS underwent kidney biopsy (KB) over a period of 27 years...
August 29, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28862467/clinical-imaging-and-laboratory-findings-in-sj%C3%A3-gren-s-syndrome
#4
Aruanda Fiche, Alynne Vieira Menezes, Claudia Scigliano Valerio, Martinho Campolina Rebello Horta, Flávio Ricardo Manzi
Sjögren's syndrome (SS) is a rare condition characterized by structural damage and secretory dysfunction of the lacrimal and salivary glands that leads to dryness, particularly xerophthalmia (eyes) and xerostomia (mouth). No cure is known; however, the effects of the disease are manageable and symptoms may be reduced. Although the salivary damage is irreversible, the dental decay and oral infections may be prevented, which highlights the importance that the clinician plays in the diagnosis and management of SS...
September 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28835864/hypokalemic-paralysis-due-to-primary-sj%C3%A3-gren-syndrome-case-report-and-review-of-the-literature
#5
A Garza-Alpirez, A C Arana-Guajardo, J A Esquivel-Valerio, M A Villarreal-Alarcón, D A Galarza-Delgado
Tubulointerstitial nephritis (TIN) is the main renal involvement associated with primary Sjögren syndrome (pSS). TIN can manifest as distal renal tubular acidosis (RTA), nephrogenic diabetes insipidus, proximal tubular dysfunction, and others. We present a 31-year-old female with hypokalemic paralysis due to distal RTA (dRTA). She received symptomatic treatment and hydroxychloroquine with a good response. There is insufficient information on whether to perform a kidney biopsy in these patients or not. The evidence suggests that there is an inflammatory background and therefore a potential serious affection to these patients, such as hypokalemic paralysis...
2017: Case Reports in Rheumatology
https://www.readbyqxmd.com/read/28818099/biosemantics-guided-gene-expression-profiling-of-sj%C3%A3-gren-s-syndrome-a-comparative-analysis-with-systemic-lupus-erythematosus-and-rheumatoid-arthritis
#6
Nirav R Shah, Braxton D Noll, Craig B Stevens, Michael T Brennan, Farah B Mougeot, Jean-Luc C Mougeot
BACKGROUND: Sjögren's syndrome (SS) shares many clinical and pathological similarities with systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA). These autoimmune diseases mostly affect women. In this study, concept profile analysis (CPA) and gene expression meta-analysis were used to identify genes potentially involved in SS pathogenesis. METHODS: Human genes associated with SS, SLE, and RA were identified using the CPA tool, Anni 2.1. The differential mRNA expression of genes common to SS and SLE (SS-SLE) was determined in female peripheral blood mononuclear cells (PBMCs) using NCBI-GEO2R...
August 17, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28816552/the-role-of-biopsy-in-lacrimal-gland-inflammation-a-clinicopathologic-study
#7
Panitee Luemsamran, Jack Rootman, Valerie A White, Nariman Nassiri, Manraj K S Heran
PURPOSE: To determine the causes of lacrimal gland inflammation based on histopathology and systemic evaluation. METHODS: This is a retrospective case series study. From the University of British Columbia Orbit Clinic between January 1976 and December 2008, we reviewed the medical records of 60 patients who presented with inflammatory features of the lacrimal gland (i.e., erythema, edema, or tenderness) in which the diagnoses were not possible clinically and on imaging alone...
August 17, 2017: Orbit
https://www.readbyqxmd.com/read/28804486/first-association-of-interleukin-12-receptor-beta-1-deficiency-with-sj%C3%A3-gren-s-syndrome
#8
Georgios Sogkas, Faranaz Atschekzei, Vivien Schacht, Christian von Falck, Alexandra Jablonka, Roland Jacobs, Matthias Stoll, Torsten Witte, Reinhold E Schmidt
INTRODUCTION: Interleukin 12 receptor beta 1 (IL12Rβ1) deficiency is a primary immunodeficiency resulting mainly in susceptibility to opportunistic infection by non-tuberculous, environmental mycobacteria and severe infection caused by Salmonella spp. Till now, less than 300 patients with IL12Rβ1 deficiency have been reported. Among them, only three have been described to develop autoimmunity. CASE PRESENTATION: We present the case of a 50-year-old male with IL12Rβ1 deficiency due to compound heterozygosity [c...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28783171/the-pdgfr%C3%AE-laminin-b1-keratin-19-cascade-drives-tumor-progression-at-the-invasive-front-of-human-hepatocellular-carcinoma
#9
O Govaere, M Petz, J Wouters, Y-P Vandewynckel, E J Scott, B Topal, F Nevens, C Verslype, Q M Anstee, H Van Vlierberghe, W Mikulits, T Roskams
Human hepatocellular carcinomas (HCCs) expressing the biliary/hepatic progenitor cell marker keratin 19 (K19) have been linked with a poor prognosis and exhibit an increase in platelet-derived growth factor receptor α (PDGFRα) and laminin beta 1 (LAMB1) expression. PDGFRα has been reported to induce de novo synthesis of LAMB1 protein in a Sjogren syndrome antigen B (La/SSB)-dependent manner in a murine metastasis model. However, the role of this cascade in human HCC remains unclear. This study focused on the functional role of the PDGFRα-La/SSB-LAMB1 pathway and its molecular link to K19 expression in human HCC...
August 7, 2017: Oncogene
https://www.readbyqxmd.com/read/28769133/the-prevalence-of-ana-antibodies-anticentromere-antibodies-and-anti-cyclic-citrullinated-peptide-antibodies-in-patients-with-primary-sj%C3%A3-gren-s-syndrome-compared-to-patients-with-dryness-symptoms-without-primary-sj%C3%A3-gren-s-syndrome-confirmation
#10
Maria Maślińska, Małgorzata Mańczak, Bożena Wojciechowska, Brygida Kwiatkowska
OBJECTIVES: Our study analyses the prevalence of ANA, anti-SS-A, anti-SS-B, and ACA and ACPA antibodies in patients with pSS and with dryness symptoms without pSS confirmation, and the association of ACPA and ACA antibodies with specific clinical symptoms. MATERIALS AND METHODS: 113 patients were divided into two groups: I - with diagnosed pSS (N = 75); and II - with dryness without pSS evidence (N = 38). Diagnostics: indirect immunofluorescence (IF; Hep-2 cell line) of antinuclear antibodies (ANA), anti-SS-A anti-SS-B antibodies determined with semi-quantitative method, autoantibody profile (14 antigens, ANA Profil 3 EUROLINE); basic laboratory, ophthalmic examination tests, minor salivary gland biopsy with focus score (FS), joint and lung evaluation, and ESSDAI questionnaire (pSS activity)...
2017: Reumatologia
https://www.readbyqxmd.com/read/28754802/ultrasonography-of-major-salivary-glands-compared-with-parotid-and-labial-gland-biopsy-and-classification-criteria-in-patients-with-clinically-suspected-primary-sj%C3%A3-gren-s-syndrome
#11
Esther Mossel, Konstantina Delli, Jolien F van Nimwegen, Alja J Stel, Frans G M Kroese, Fred K L Spijkervet, Arjan Vissink, Suzanne Arends, Hendrika Bootsma
OBJECTIVE: To assess the validity of ultrasound of major salivary glands (sUS) compared with parotid and labial gland biopsies, sialometry, anti-SSA/Ro antibody status and classification criteria in patients clinically suspected with primary Sjögren's syndrome (pSS). METHODS: 103 consecutive outpatients with clinically suspected pSS underwent sUS. Parenchymal echogenicity, homogeneity, hypoechogenic areas, hyperechogenic reflections and clearness of salivary gland border were scored according to the Hocevar scoring system...
July 28, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28743286/cd4-t-lymphocyte-autophagy-is-upregulated-in-the-salivary-glands-of-primary-sj%C3%A3-gren-s-syndrome-patients-and-correlates-with-focus-score-and-disease-activity
#12
Cristiano Alessandri, Francesco Ciccia, Roberta Priori, Elisa Astorri, Giuliana Guggino, Riccardo Alessandro, Aroldo Rizzo, Fabrizio Conti, Antonina Minniti, Cristiana Barbati, Marta Vomero, Monica Pendolino, Annacarla Finucci, Elena Ortona, Tania Colasanti, Marina Pierdominici, Walter Malorni, Giovanni Triolo, Guido Valesini
BACKGROUND: Primary Sjögren's syndrome (pSS) is a common chronic autoimmune disease characterized by lymphocytic infiltration of exocrine glands and peripheral lymphocyte perturbation. In the current study, we aimed to investigate the possible pathogenic implication of autophagy in T lymphocytes in patients with pSS. METHODS: Thirty consecutive pSS patients were recruited together with 20 patients affected by sicca syndrome and/or chronic sialoadenitis and 30 healthy controls...
July 25, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28730224/histopathological-and-immunohistochemical-profile-in-primary-sj%C3%A3-gren-s-syndrome
#13
Ştefan Cristian Dinescu, Mircea Cătălin ForŢofoiu, Ana Maria Bumbea, Paulina Lucia Ciurea, Cristina Jana Busuioc, Anca Emanuela Muşetescu
Sjögren's syndrome (SS) is an autoimmune disease characterized by hypofunction of the salivary and lachrymal glands. Main clinical features of SS are sicca symptoms, due to the altered glandular function. Also, in advanced stages, bilateral swelling of the parotid glands can be noted, indicative of severe glandular involvement. Phenotypic expression of various mononuclear cells present in the affected tissue offers additional insight into cellular proliferation, survival, migration, antibody secretion and also the potential of forming tertiary lymphoid tissue, i...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28725949/tubulointerstitial-nephritis-induced-hypophosphatemic-osteomalacia-in-sj%C3%A3-gren-s-syndrome-a-case-report-and-review-of-the-literature
#14
REVIEW
Yan Geng, Youlu Zhao, Zhuoli Zhang
Sjögren's syndrome (SS) is a chronic autoimmune inflammatory disease that typically affects the salivary and lacrimal glands. Renal involvement is relatively uncommon and may precede other complaints. Tubulointestitial nephritis (TIN) is the most common renal involvement in SS. Osteomalacia occurring as the first manifestation of renal tubular disorder due to SS is very rare. We report a 39-year-old male who presented with polydipsia, polyuria, and multiple bone pain. Bone density test showed severe osteoporosis, and laboratory findings suggested hypokalemia, hypophosphatemia, and vitamin D deficiency, which supported the diagnosis of hypophosphatemic osteomalacia...
July 20, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28710097/germinal-centres-in-diagnostic-labial-gland-biopsies-of-patients-with-primary-sj%C3%A3-gren-s-syndrome-are-not-predictive-for-parotid-malt-lymphoma-development
#15
Erlin A Haacke, Bert van der Vegt, Arjan Vissink, Fred K L Spijkervet, Hendrika Bootsma, Frans G M Kroese
OBJECTIVE: Patients with primary Sjögren's syndrome (pSS) have an increased risk of developing non-Hodgkin's lymphoma (NHL), particularly parotid gland mucosa-associated lymphoid tissue (MALT) lymphomas. Presence of germinal centres (GCs) in labial gland biopsies has been suggested as predictive factor for NHL. We assessed whether presence of GCs is increased in labial gland biopsies from patients with pSS who developed parotid MALT lymphoma, the dominant NHL-subtype in pSS, compared with patients with pSS who did not develop lymphoma...
July 14, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28690936/a-case-of-imatinib-induced-hepatitis
#16
Osman Bhatty, Mohammad Selim, Thamer Kassim, Lakshmi Chintalacheruvu, Manuel Urra, Sonia Shah, Joseph Haggerty, John Gross, Aravdeep Jhand, Gene Pershwitz, Jaya Gupta
A 71-year-old female with a past medical history of Philadelphia chromosome-positive chronic myelogenous leukemia on imatinib therapy, Sjogren's syndrome, and hypothyroidism presents with acute hepatitis. After a comprehensive workup ruling out viral, infectious and metabolic etiologies imatinib is stopped which results in immediate improvement. The biopsy is consistent with drug-induced liver damage; the patient is started on oral prednisone and discharged. Unfortunately, our patient's liver function does not improve over the course of the next week and she is readmitted for hepatic and renal failure...
June 1, 2017: Curēus
https://www.readbyqxmd.com/read/28686485/impaired-salivary-gland-activity-in-patients-with-autoimmune-polyendocrine-syndrome-type-i
#17
Bergithe E Oftedal, Mihaela Cuida Marthinussen, Martina M Erichsen, Maria K Tveitarås, Anja Kjellesvik-Kristiansen, Daniel Hammenfors, Malin V Jonsson, Kai Kisand, Roland Jonsson, Anette S B Wolff
Autoimmune polyendocrine syndrome type I (APS-I) is a severe disease caused by mutations in the autoimmune regulator (AIRE) gene. We hypothesized that salivary gland dysfunction could be a possible unexplored component of these patients and here aimed to investigate salivary and lachrymal symptoms in the Norwegian cohort of APS-I patients (N = 41) and the aetiology behind it. Sicca symptoms and possible corresponding underlying factors were assessed by subjective reports combined with objective measures of saliva and tear flow, serological testing, immune fluorescence microscopy, ultrasonography and searching for putative autoantibodies in the salivary glands...
July 7, 2017: Autoimmunity
https://www.readbyqxmd.com/read/28666014/radiologic-pleuroparenchymal-fibroelastosis-like-lesion-in-connective-tissue-disease-related-interstitial-lung-disease
#18
Yasunori Enomoto, Yutaro Nakamura, Thomas V Colby, Takeshi Johkoh, Hiromitsu Sumikawa, Koji Nishimoto, Katsuhiro Yoshimura, Sayomi Matsushima, Yoshiyuki Oyama, Hironao Hozumi, Masato Kono, Tomoyuki Fujisawa, Noriyuki Enomoto, Naoki Inui, Toshihide Iwashita, Takafumi Suda
BACKGROUND: Radiologic pleuroparenchymal fibroelastosis (PPFE)-like lesion including pulmonary apical cap can be occasionally observed in clinical settings. However, the significance of radiologic PPFE-like lesion is unclear in connective tissue disease (CTD)-related interstitial lung disease (ILD). MATERIALS AND METHODS: A total of 113 patients with CTD-related ILD were enrolled and assessed for radiologic PPFE-like lesion, which was defined as bilateral, upper lobe, and subpleural dense consolidations with or without pleural thickening on chest high-resolution computed tomography...
2017: PloS One
https://www.readbyqxmd.com/read/28648912/minor-salivary-gland-biopsy-an-important-contributor-to-the-diagnosis-of-sj%C3%A3-gren-syndrome
#19
Sarah Wicheta, Troy Van der Groen, William C Faquin, Meredith August
PURPOSE: Sjögren syndrome (SS), although commonly associated with xerostomia and xerophthalmia, can present with extraglandular manifestations that make definitive diagnosis difficult. The 2 leading diagnostic classification systems include a positive minor salivary gland biopsy (MSGB) result as a major inclusion criterion. The purpose of this study was to better define the role of the MSGB in establishing a diagnosis of SS in a cohort of referred patients. MATERIALS AND METHODS: This is a retrospective cohort study of patients referred to the Massachusetts General Hospital Department of Oral and Maxillofacial Surgery (Boston, MA) over a 5-year period to establish a diagnosis of SS...
May 30, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28648105/abnormal-distribution-of-aqp4-in-minor-salivary-glands-of-primary-sj%C3%A3-gren-s-syndrome-patients
#20
Margherita Sisto, Loredana Lorusso, Giuseppe Ingravallo, Beatrice Nico, Domenico Ribatti, Simona Ruggieri, Dario Domenico Lofrumento, Sabrina Lisi
A decreased saliva production occurs in primary Sjögren's syndrome (pSS), an autoimmune disease characterized by oral and ocular dryness due to dysfunction of the lacrimal and salivary glands (SGs). Since water movement is involved in saliva secretion, the expression, localization, and function of the water channels aquaporins (AQPs) have been extensively studied in SGs. To date, the presence of AQP4 remains controversial and ambiguous in human SGs. We investigated by immunohistochemistry, high-resolution confocal microscopy and quantitative image analysis, Western blot and real-time RT-PCR, the presence of the AQP4 gene, and the distribution of AQP4 protein in healthy controls and pSS SG biopsies...
June 24, 2017: Autoimmunity
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