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IgG 4 Related disease

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https://www.readbyqxmd.com/read/28534223/immunoglobulin-m-gene-association-with-autoantibody-reactivity-and-type-1-diabetes
#1
Inês Rolim, Nádia Duarte, Gabriela Barata, João Costa, Luís Gardete-Correia, José Boavida, Rui Duarte, João Raposo, Zulmira Peerally, Manuela Catarino, Carlos Penha-Gonçalves
Several lines of evidence show that autoimmune responses evolving in type 1 diabetes (T1D) patients include the generation of multi-reactive autoantibody (AutoAb) repertoires, but their role in T1D pathogenesis remains elusive. We tested the hypothesis that variants at the immunoglobulin heavy chain (IGH) locus are genetic determinants of AutoAbs against pancreatic antigens and contribute to T1D susceptibility. With this aim, two independent study designs were used: a case-control study and a family-based cohort comprising a total of 240 T1D patients, 172 first-degree relatives (mother and/or father), and 130 unrelated healthy controls living in Portugal...
May 22, 2017: Immunogenetics
https://www.readbyqxmd.com/read/28526790/post-epizootic-persistence-of-asymptomatic-mycoplasma-conjunctivae-infection-in-iberian-ibex
#2
Xavier Fernández-Aguilar, Oscar Cabezón, José Enrique Granados, Joachim Frey, Emmanuel Serrano, Roser Velarde, Francisco Javier Cano-Manuel, Gregorio Mentaberre, Arián Ráez-Bravo, Paulino Fandos, Jorge Ramón López-Olvera
The susceptibility of Iberian ibex (Capra pyrenaica) to Mycoplasma conjunctivae ocular infection and the changes in their interaction over time were studied in terms of clinical outcome, molecular detection and IgG immune response in a captive population that underwent a severe infectious keratoconjunctivitis (IKC) outbreak. Mycoplasma conjunctivae was detected for the first time in the Iberian ibexes coinciding with the IKC outbreak. Its prevalence had a decreasing trend in 2013 that was consistent with the clinical resolution (August 35...
May 19, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28521810/estimation-of-the-burden-of-varicella-in-europe-before-the-introduction-of-universal-childhood-immunization
#3
Margarita Riera-Montes, Kaatje Bollaerts, Ulrich Heininger, Niel Hens, Giovanni Gabutti, Angel Gil, Bayad Nozad, Grazina Mirinaviciute, Elmira Flem, Audrey Souverain, Thomas Verstraeten, Susanne Hartwig
BACKGROUND: Varicella is generally considered a mild disease. Disease burden is not well known and country-level estimation is challenging. As varicella disease is not notifiable, notification criteria and rates vary between countries. In general, existing surveillance systems do not capture cases that do not seek medical care, and most are affected by underreporting and underascertainment. We aimed to estimate the overall varicella disease burden in Europe to provide critical information to support decision-making regarding varicella vaccination...
May 18, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28483414/safety-and-immunogenicity-of-a-parenteral-p2-vp8-p-8-subunit-rotavirus-vaccine-in-toddlers-and-infants-in-south-africa-a-randomised-double-blind-placebo-controlled-trial
#4
Michelle J Groome, Anthonet Koen, Alan Fix, Nicola Page, Lisa Jose, Shabir A Madhi, Monica McNeal, Len Dally, Iksung Cho, Maureen Power, Jorge Flores, Stanley Cryz
BACKGROUND: Efficacy of live oral rotavirus vaccines is reduced in low-income compared with high-income settings. Parenteral non-replicating rotavirus vaccines might offer benefits over oral vaccines. We assessed the safety and immunogenicity of the P2-VP8-P[8] subunit rotavirus vaccine at different doses in South African toddlers and infants. METHODS: This double-blind, randomised, placebo-controlled, dose-escalation trial was done at a single research unit based at a hospital in South Africa in healthy HIV-uninfected toddlers (aged 2 to <3 years) and term infants (aged 6 to <8 weeks, without previous rotavirus vaccination)...
May 5, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28458304/clinical-features-of-patients-with-basedow-s-disease-and-high-serum-igg4-levels
#5
Keiichi Torimoto, Yosuke Okada, Akira Kurozumi, Manabu Narisawa, Tadashi Arao, Yoshiya Tanaka
Objective IgG4-related disease is a recently characterized condition presenting with high blood IgG4 levels, swelling of organs, and hypertrophic lesions. This disease is associated with thyroid disease, Hashimoto's disease, and Riedel's thyroiditis. However, there is little information on the association between IgG4-related disease and Basedow's disease. We herein defined the clinical features of patients with Basedow's disease and high IgG4 levels. Methods We compared two groups of patients with Basedow's disease (n=72) who had either normal IgG4 levels (<135 mg/dL; n=67) or high IgG4 levels (≥135 mg/dL; n=5 [6...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28446848/seroepidemiology-study-of-cytomegalovirus-and-rubella-among-pregnant-women-at-st-paul-s-hospital-millennium-medical-college-addis-ababa-ethiopia
#6
Mamuye Yeshwondm, Nigatu Balkachew, Bekele Delayehu, Getahun Mekonen
BACKGROUND: Maternal cytomegalovirus (CMV) and rubella infections have adverse neonatal outcomes. Both CMV and rubella are more widespread in developing countries and in communities with lower socioeconomic status. The aim of this study was to investigate sero-prevalence of CMV and rubella infection and associated possible risk factors. METHOD: Using cross sectional study design a total of 200 pregnant women were consecutively recruited starting from June and July 2014...
September 2016: Ethiopian Journal of Health Sciences
https://www.readbyqxmd.com/read/28397727/neutralization-of-interleukin-9-decreasing-mast-cells-infiltration-in-experimental-autoimmune-encephalomyelitis
#7
Jun-Jie Yin, Xue-Qiang Hu, Zhi-Feng Mao, Jian Bao, Wei Qiu, Zheng-Qi Lu, Hao-Tian Wu, Xiao-Nan Zhong
BACKGROUND: Th9 cells are a newly discovered CD4+ T helper cell subtype, characterized by high interleukin (IL)-9 secretion. Growing evidences suggest that Th9 cells are involved in the pathogenic mechanism of multiple sclerosis (MS). Mast cells are multifunctional innate immune cells, which are perhaps best known for their role as dominant effector cells in allergies and asthma. Several lines of evidence point to an important role for mast cells in MS and its animal models. Simultaneously, there is dynamic "cross-talk" between Th9 and mast cells...
April 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28378553/link-between-serum-pepsinogen-concentrations-and-upper-gastrointestinal-endoscopic-findings
#8
Sang Pyo Lee, Sun Young Lee, Jeong Hwan Kim, In Kyung Sung, Hyung Seok Park, Chan Sup Shim
The serum pepsinogen (PG) assay findings are correlated with the status of Helicobacter pylori infection, but there are controversies on the link with upper gastrointestinal (UGI) endoscopic findings. The aim of this study was to determine the significance of a serum PG assay for correlating with endoscopic findings in H. pylori-seroprevalent adult population. Korean adults who visited for a health check-up were included consecutively. Subjects after gastrectomy or H. pylori eradication were excluded. After completing the serum PG assay and anti-H...
May 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28375749/immunization-with-recombinantly-expressed-lrp4-induces-experimental-autoimmune-myasthenia-gravis-in-c57bl-6-mice
#9
Canan Ulusoy, Filiz Çavuş, Vuslat Yılmaz, Erdem Tüzün
BACKGROUND: Myasthenia gravis (MG) is an autoimmune disease of the neuromuscular junction (NMJ), characterized with muscle weakness. While MG develops due to acetylcholine receptor (AChR) antibodies in most patients, antibodies to muscle-specific receptor tyrosine kinase (MuSK) or low-density lipoprotein receptor-related protein 4 (LRP4) may also be identified. Experimental autoimmune myasthenia gravis (EAMG) has been previously induced by both LRP4 immunization and passive transfer of LRP4 antibodies...
April 4, 2017: Immunological Investigations
https://www.readbyqxmd.com/read/28367391/igg4-related-disease-presenting-as-a-pancreatic-mass-and-bilateral-lacrimal-gland-swelling
#10
Uroosa Ibrahim, Amina Saqib, Nikhil Nalluri, Muhammad R Raza, Mark Goldstein
IgG4-related disease is characterized by multi-system inflammation and possible elevation in serum immunoglobulin-G4 level. Treatment regimens include glucocorticoids, disease-modifying anti-rheumatic agents and recently, rituximab infusions have been reported to be effective in treatment-refractory disease. We present a case of a 64-year-old male presenting with acute abdominal pain and scleral icterus. An abdominal ultrasound demonstrated extensive biliary ductal dilatation. A computed tomography (CT) scan and a magnetic resonance cholangiopancreatography (MRCP) revealed a 4...
February 24, 2017: Curēus
https://www.readbyqxmd.com/read/28348556/t-cell-polarization-toward-th2-tfh2-and-th17-tfh17-in-patients-with-igg4-related-disease
#11
Aurélie Grados, Mikael Ebbo, Christelle Piperoglou, Matthieu Groh, Alexis Regent, Maxime Samson, Benjamin Terrier, Anderson Loundou, Nathalie Morel, Sylvain Audia, François Maurier, Julie Graveleau, Mohamed Hamidou, Amandine Forestier, Sylvain Palat, Emmanuelle Bernit, Bernard Bonotte, Catherine Farnarier, Jean-Robert Harlé, Nathalie Costedoat-Chalumeau, Frédéric Vély, Nicolas Schleinitz
IgG4-related disease (IgG4-RD) is a fibro-inflammatory disorder involving virtually every organ with a risk of organ dysfunction. Despite recent studies regarding B cell and T cell compartments, the disease's pathophysiology remains poorly understood. We examined and characterized subsets of circulating lymphocytes in untreated patients with active IgG4-RD. Twenty-eight consecutive patients with biopsy-proven IgG4-RD were included in a prospective, multicentric study. Lymphocytes' subsets were analyzed by flow cytometry, with analysis of TH1/TH2/TH17, TFH cells, and cytokine release by peripheral blood mononuclear cells...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28348464/liver-function-tests-abnormalities-and-hepatitis-b-virus-hepatitis-c-virus-co-infection-in-human-immunodeficiency-virus-hiv-infected-patients-in-india
#12
P Puri, P K Sharma, A Lolusare, V K Sashindran, S Shrivastava, A K Nagpal
BACKGROUND: While highly active anti-retroviral therapy (HAART) has improved survival of HIV-infected patients, there is increasing liver disease and progressive Hepatitis B Virus (HBV) and Hepatitis C Virus (HCV) related liver disease. AIMS: To study the liver function tests (LFT) and HBV and HCV co-infection in HIV-infected patients. MATERIAL AND METHODS: All HIV-positive patients presenting to a tertiary level hospital from April 2009 to April 2011 were evaluated...
March 2017: Journal of Clinical and Experimental Hepatology
https://www.readbyqxmd.com/read/28343172/novel-immunoassays-for-detection-of-cuzd1-autoantibodies-in-serum-of-patients-with-inflammatory-bowel-diseases
#13
Sofia Farkona, Antoninus Soosaipillai, Panagiota Filippou, Christos Liaskos, Dimitrios P Bogdanos, Eleftherios P Diamandis, Ivan M Blasutig
BACKGROUND: Pancreatic autoantibodies (PABs) are detected in patients with inflammatory bowel disease (IBD). Their prevalence is higher in Crohn's disease (CrD) than in ulcerative colitis (UC). Glycoprotein 2 (GP2) and, more recently, CUB and zona pellucida-like domain-containing protein 1 (CUZD1) have been identified as target autoantigens of PAB. The clinical utility of CUZD1 autoantibodies has only recently been assessed by indirect immunofluorescence (IIF) assays. In this study, we developed and validated novel immunoassays for the detection of CUZD1 autoantibodies...
March 27, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28333903/-evaluation-of-oro-cecal-transit-time-in-patients-with-irritable-bowel-syndrome-with-cereal-products-intolerance
#14
Aleksandra Błońska, Paulina Konrad, Jan Chojnacki, Cezary Chojnacki
The main symptoms of irritable bowel syndrome (IBS) include abnormal frequency of bowel movements. On this basis, three main clinical types of the disease have been distinguished, i.e.: constipation (IBSC), diarrhea (IBS-D) and mixed-type (IBS-M) in accordance with the Rome III criteria. These disorders mainly affect the colon, but symptoms related to upper gastrointestinal tract are also often observed. AIM: The aim of the study was to assess the oro-caecal transit time in patients with irritable bowel syndrome with IgG-dependent hypersensitivity to cereal products...
March 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28321152/th1-th17-related-cytokines-and-chemokines-and-their-implications-in-the-pathogenesis-of-pemphigus-vulgaris
#15
Rodolfo Pessato Timoteo, Marcos Vinicius da Silva, Camila Botelho Miguel, Djalma Alexandre Alves Silva, Jonatas Da Silva Catarino, Virmondes Rodrigues Junior, Helioswilton Sales-Campos, Carlo Jose Freire Oliveira
Pemphigus vulgaris (PV) is an autoimmune disease characterized by the presence of IgG autoantibodies against desmoglein-3. Despite the variety of findings, the chemokine and cytokine profiles that characterize the immune response in the disease are still poorly explored. Thus, 20 PV patients and 20 controls were grouped according to gender, ethnicity, place of residence, and clinical parameters of the disease. Then, the levels of chemokines and of Th1/Th2/Th17/Treg/Th9/Th22-related cytokines were assessed in the serum...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28297814/-igg4-related-lung-disease-analysis-of-8-cases-and-literature-review
#16
G J Han, H Hu, D Mao, X Bai, D Y She, S F Zhao, Z L Wen, J Gao
Objective: To improve the understanding and treatment of IgG4-related lung disease (IgG4-RLD). Methods: The clinical characteristics, serum IgG4 levels, pathological features, chest CT, therapy and prognosis of 8 patients with IgG4-RLD were retrospectively analyzed. These patients were admitted to the People's Liberation Army General Hospital and the pathological diagnosis was made between December 2005 and March 2016. Relevant literatures were reviewed. Results: The 8 patients with IgG4-RLD included 4 men and 4 women, with an average age of (59±4) years (range, 37-74)...
March 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28297756/-igg4-immunohistochemistry-in-riedle-thyroiditis
#17
S Wang, Y F Luo, J L Cao, H Zhang, X H Shi, Z Y Liang, R E Feng
Objective: To observe the histopathological changes and immunohistochemical expression of IgG4 in Riedle thyroiditis (RT) and to study the relationship between RT and IgG4-related diseases (IgG4-RD). Methods: A total of 5 RT patients were collected from the Department of Pathology, Peking Union Medical College Hospital during April 2012 to August 2014. The clinical and immunohistochemical features were analyzed in the 5 patients. Histopathologic analysis was performed on hematoxylin and eosin-stained sections...
March 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28293450/il-17a-levels-in-systemic-lupus-erythematosus-associated-with-inflammatory-markers-and-lower-rates-of-malignancy-and-heart-damage-evidence-for-a-dual-role
#18
Warren Raymond, Gro Ostli-Eilertsen, Sheynae Griffiths, Johannes Nossent
OBJECTIVE: The interleukin 17 (IL-17) cytokine family is involved in a number of chronic inflammatory diseases. In spite of contradictory findings and a lack of causality in clinical studies, IL-17 inhibition for systemic lupus erythematosus (SLE) has regained attention as a potential therapeutic pathway, after demonstrating disease-modifying capabilities in ankylosing spondylitis. We investigated the clinical associations of interleukin 17 A (IL-17A) in patients with SLE. MATERIAL AND METHODS: A cross-sectional study was performed involving SLE patients (n=102; age: 49 years; 86% female) recruited from a regional registry...
March 2017: European Journal of Rheumatology
https://www.readbyqxmd.com/read/28283011/-investigation-of-seropositivity-of-bordetella-pertussis-in-adults-in-a-university-hospital
#19
Lütfiye Öksüz, Nezahat Gürler, Ali Ağaçfidan
Whooping cough is a vaccine-preventable infectious diseases caused by Bordetella pertussis/parapertussis. Despite of routine immunization programs in the world, pertussis still remains endemic. Recently unvaccinated or partially immunized infants have infected with this pathogen and also increase of incidence was observed in adolescents and adults. The source of pertussis in newborns are attributed to household, especially due to the family members. Theaim of this study was to determine B.pertussis IgG antibody positivity by ELISA method in adults...
January 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28280994/detection-of-myd88-l265p-and-whim-like-cxcr4-mutation-in-patients-with-igm-monoclonal-gammopathy-related-disease
#20
Xin-Xin Cao, Qi Meng, Hao Cai, Tian-Hua He, Cong-Li Zhang, Wei Su, Jian Sun, Yue Li, Wei Xu, Dao-Bin Zhou, Jian Li
A broad spectrum of diseases are associated with IgM monoclonal gammopathy, including Waldenstrom macroglobulinemia (WM), various types of B cell non-Hodgkin's lymphoma (NHL), multiple myeloma (MM), primary amyloidosis (AL), and monoclonal gammopathy of undetermined significance (MGUS); these are called IgM monoclonal gammopathy related diseases (IgM-RD). We investigated MYD88 L265P and WHIM-like CXCR4 mutations in various IgM-RD. Patients with serum immunofixation electrophoresis confirmed IgM monoclonal gammopathy who had enough material for DNA extraction and presented between January 2008 and October 2016 at Peking Union Medical College Hospital were enrolled in this cohort...
March 9, 2017: Annals of Hematology
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