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IgG 4 disease

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https://www.readbyqxmd.com/read/28317440/potent-immune-responses-induced-by-a-salmonella-ghost-delivery-system-that-expresses-the-recombinant-stx2eb-fedf-and-feda-proteins-of-the-escherichia-coli-producing-f18-and-shiga-toxin-in-a-murine-model-and-evaluation-of-its-protective-effect-as-a-porcine-vaccine
#1
Gayeon Won, John Hwa Lee
BACKGROUND: In the pathogenicity of porcine edema disease, which is caused by the Escherichia coli-producing F18 and Shiga toxin, F18(+) fimbrial adhesins and Shiga toxin 2e (Stx2e) play pivotal roles in the colonization and enterotoxicity of this pathogen. OBJECTIVE: To develop a vaccine candidate against edema disease by combining three selected antigens of F18(+) Shiga toxin-producing Escherichia coli (STEC). METHODS: Genetically engineered Salmonella Typhimurium (ST) ghosts that express Stx2eB, FedF, and FedA were individually inserted in a ghost plasmid cassette (pJHL184), and the resultant plasmids were transformed into a Δasd Δlon ΔcpxR ST (JOL912)...
March 20, 2017: Veterinary Quarterly
https://www.readbyqxmd.com/read/28299528/dietary-conjugated-linoleic-acid-c9t11-prevents-collagen-induced-arthritis-whereas-conjugated-linoleic-acid-t10c12-increases-arthritic-severity
#2
Jessica A Muhlenbeck, Daniel E Butz, Jake M Olson, Daniela Uribe-Cano, Mark E Cook
Two conjugated linoleic acid (CLA) isomers, cis-9, trans-11 (CLAc9t11) and trans-10, cis-12 (CLAt10c12), reduce inflammation in a number of animal models, including collagen-induced arthritis (CA). However, little is known about the ability of individual CLA isomers to prevent autoimmune disease onset. Evidence that mixed isomer CLA drives T helper cell (Th) 1 responses suggests that CLA, or a specific isomer, exacerbates onset of Th1 autoimmune diseases. In two experiments, we examined if prior dietary exposure to CLAt10c12 (experiment 1) or CLAc9t11 (experiment 2) affected the incidence or severity of CA...
March 15, 2017: Lipids
https://www.readbyqxmd.com/read/28297814/-igg4-related-lung-disease-analysis-of-8-cases-and-literature-review
#3
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
#4
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/28296059/the-pathogenicity-of-t-cell-epitopes-on-human-goodpasture-antigen-and-its-critical-amino-acid-motif
#5
Shui-Yi Hu, Qiu-Hua Gu, Jia Wang, Miao Wang, Xiao-Yu Jia, Zhao Cui, Ming-Hui Zhao
Goodpasture antigen, the non-collagenous domain of α3 chain of type IV collagen [α3(IV)NC1], is the target antigen of anti-glomerular basement membrane (GBM) antibodies. The pathogenicity of T cell epitopes is not elucidated clearly. In this study, we aim to define the nephritogenic T cell epitopes and its critical amino acid residues. Twenty-four overlapping linear peptides were synthesized covering the whole sequence of human α3(IV)NC1. Wistar-Kyoto rats were immunized with linear peptides, and experimental autoimmune glomerulonephritis was evaluated...
March 10, 2017: Journal of Cellular and Molecular Medicine
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
#6
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/28291506/immunotactoid-glomerulopathy-leading-to-the-discovery-of-poems-syndrome%C3%A2
#7
Carole Philipponnet, Jean-Louis Kemeny, Cyril Garrouste, Martin Soubrier, Anne-Elisabeth Heng
Monoclonal gammopathy of renal significance (MGRS) can manifest in many different ways depending on the nature of the immunoglobulin and its physicochemical properties. MGRS can lead to the discovery of a hematological malignancy. We report the case of a 32-year-old female patient who underwent renal biopsy on account of an impure nephrotic syndrome associated with immunoglobulin (Ig)G κ monoclonal gammopathy. Histological analysis revealed membranoproliferative glomerulonephritis with IgG, IgM, κ, λ, and C3 deposits...
March 14, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28283011/-investigation-of-seropositivity-of-bordetella-pertussis-in-adults-in-a-university-hospital
#8
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/28281454/immune-stimulatory-effects-of-neutrophil-extracellular-traps-in-granulomatosis-with-polyangiitis
#9
Christina Lange, Elena Csernok, Frank Moosig, Julia U Holle
OBJECTIVES: The aim of this study was to analyse the role of netting neutrophils in the pathogenesis of granulomatosis with polyangiitis (GPA), especially their interplay with peripheral blood mononuclear cells (PBMCs). METHODS: The amount of cell-free DNA (cfDNA) was determined in sera from GPA patients (pairs active/inactive state of disease, n=18) and from healthy controls (HCs, n=10). Furthermore, we performed in vitro incubation experiments using PBMCs and NETs from patients and HCs for accessing the effect of NETs on PBMC behaviour...
March 8, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28280994/detection-of-myd88-l265p-and-whim-like-cxcr4-mutation-in-patients-with-igm-monoclonal-gammopathy-related-disease
#10
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
https://www.readbyqxmd.com/read/28279832/anti-myc-associated-zinc-finger-protein-antibodies-are-associated-with-inflammatory-atherosclerotic-lesions-on-18-f-fluorodeoxyglucose-positron-emission-tomography
#11
Diana Ernst, Desiree Weiberg, Niklas T Baerlecken, Wolfgang Schlumberger, Cornelia Daehnrich, Reinhold E Schmidt, Frank M Bengel, Thorsten Derlin, Torsten Witte
BACKGROUND AND AIMS: Atherosclerosis is a chronic inflammatory process of vessel walls responsible for coronary, cerebrovascular and peripheral vascular disease, which together account for the majority of non-infective global deaths. Whilst great emphasis has been placed on lifestyle factors, a growing body of evidence supports an autoimmune component to atherosclerosis. This study evaluates a novel autoantibody against MYC-associated zinc finger protein (MAZ-Ab) as a potential marker of atherosclerosis...
February 20, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28275185/broadly-reactive-anti-rsv-g-antibodies-from-exposed-individuals-effectively-inhibit-infection-of-primary-airway-epithelial-cells
#12
B Cortjens, E Yasuda, X Yu, K Wagner, Y B Claassen, A Q Bakker, J B M van Woensel, T Beaumont
Respiratory syncytial virus (RSV) causes severe respiratory disease in young children. Antibodies specific for the RSV prefusion F protein have guided RSV vaccine research and in human serum these antibodies attribute to >90% of the neutralization response, however detailed insight in the composition of the human B cell repertoire against RSV is still largely unknown. In order to study the B cell repertoire of 3 healthy donors for specificity against RSV, CD27(+) memory B cells were isolated and immortalized using BCL6 and Bcl-xL...
March 8, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28273010/post-babesiosis-warm-autoimmune-hemolytic-anemia
#13
Ann E Woolley, Mary W Montgomery, William J Savage, Maureen O Achebe, Kathleen Dunford, Sarah Villeda, James H Maguire, Francisco M Marty
Background Babesiosis, a tickborne zoonotic disease caused by intraerythrocytic protozoa of the genus babesia, is characterized by nonimmune hemolytic anemia that resolves with antimicrobial treatment and clearance of parasitemia. The development of warm-antibody autoimmune hemolytic anemia (also known as warm autoimmune hemolytic anemia [WAHA]) in patients with babesiosis has not previously been well described. Methods After the observation of sporadic cases of WAHA that occurred after treatment of patients for babesiosis, we conducted a retrospective cohort study of all the patients with babesiosis who were cared for at our center from January 2009 through June 2016...
March 9, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28271642/large-scale-in-house-cell-based-assay-for-evaluating-the-serostatus-in-patients-with-neuromyelitis-optica-spectrum-disorder-based-on-new-diagnostic-criteria
#14
Yeseul Kim, Gayoung Kim, Byung Soo Kong, Ji Eun Lee, Yu Mi Oh, Jae Won Hyun, Su Hyun Kim, AeRan Joung, Byoung Joon Kim, Kyungho Choi, Ho Jin Kim
BACKGROUND AND PURPOSE: The detection of aquaporin 4-IgG (AQP4-IgG) is now a critical diagnostic criterion for neuromyelitis optica spectrum disorder (NMOSD). To evaluate the serostatus of NMOSD patients based on the 2015 new diagnostic criteria using a new in-house cell-based assay (CBA). METHODS: We generated a stable cell line using internal ribosome entry site-containing bicistronic vectors, which allow the simultaneous expression of two proteins (AQP4 and green fluorescent protein) separately from the same RNA transcript...
March 6, 2017: Journal of Clinical Neurology
https://www.readbyqxmd.com/read/28270111/an-optimized-ifn-%C3%AE-elispot-assay-for-the-sensitive-and-standardized-monitoring-of-cmv-protein-reactive-effector-cells-of-cell-mediated-immunity
#15
Sascha Barabas, Theresa Spindler, Richard Kiener, Charlotte Tonar, Tamara Lugner, Julia Batzilla, Hanna Bendfeldt, Anne Rascle, Benedikt Asbach, Ralf Wagner, Ludwig Deml
BACKGROUND: In healthy individuals, Cytomegalovirus (CMV) infection is efficiently controlled by CMV-specific cell-mediated immunity (CMI). Functional impairment of CMI in immunocompromized individuals however can lead to uncontrolled CMV replication and severe clinical complications. Close monitoring of CMV-specific CMI is therefore clinically relevant and might allow a reliable prognosis of CMV disease as well as assist personalized therapeutic decisions. METHODS: Objective of this work was the optimization and technical validation of an IFN-γ ELISpot assay for a standardized, sensitive and reliable quantification of CMV-reactive effector cells...
March 7, 2017: BMC Immunology
https://www.readbyqxmd.com/read/28269761/treatment-with-a-recombinant-human-igm-that-recognizes-psa-ncam-preserves-brain-pathology-in-mog-induced-experimental-autoimmune-encephalomyelitis
#16
Hernan Nicolas Lemus, Arthur E Warrington, Aleksandar Denic, Bharath Wootla, Moses Rodriguez
A single peripheral dose of CNS-binding IgMs promote remyelination and preserve axons in a number of animal models of neurologic disease. A myelin-binding recombinant human IgM (rHIgM22) is presently in a safety trial in MS patients following an acute MS exacerbation. rHIgM22 (directed against oligodendrocytes) or rHIgM12 (directed against neurons) were administered to mice with MOG-induced experimental autoimmune encephalomyelitis (EAE) with study endpoints: clinical deficits and brain and spinal cord pathology...
February 24, 2017: Human Antibodies
https://www.readbyqxmd.com/read/28260360/-determination-of-cytomegalovirus-igg-synthesis-by-the-albumin-correction-in-the-aqueous-humor-of-posner-schlossmann-syndrome
#17
X L Wang, Z J Wang, L Tang, W W Cao, X H Sun
Objective: To evaluate the usefulness of albumin correction in determination of cytomegalovirus IgG in the aqueous humor of Posner-Schlossman syndrome (PSS) patients. Methods: Cases series studies. Forty-two patients (26 men and 16 women) who were diagnosed as PSS were enrolled from Oct. 2009 to Oct. 2015 at the Eye and ENT Hospital. During the same period, 20 patients with primary open-angle glaucoma (POAG) and 30 patients with bacterial endophthalmitis or retinal necrosis were enrolled as negative control group and inflammatory disease control group, respectively...
February 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28257644/a-single-center-analysis-of-henoch-schonlein-purpura-nephritis-with-nephrotic-proteinuria-in-children
#18
Dan Feng, Wen-Yan Huang, Sheng Hao, Xiao-Ling Niu, Ping Wang, Ying Wu, Guang-Hua Zhu
BACKGROUND: In children with Henoch-Schonlein purpura nephritis (HSPN), the degree of proteinuria has been proven to be not only a sign of kidney damage, but also an accelerator of kidney disease progression. Nephrotic proteinuria at disease onset has been proposed as a predictor of a poor renal outcome. This study aims to assess the clinical and pathological features of HSPN with nephrotic proteinuria in a single center. METHODS: One hundred thirty-seven patients with HSPN who visited Shanghai Children's Hospital from January 2009 to December 2013 were retrospectively reviewed...
March 4, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28256310/asymptomatic-infection-and-unrecognised-ebola-virus-disease-in-ebola-affected-households-in-sierra-leone-a-cross-sectional-study-using-a-new-non-invasive-assay-for-antibodies-to-ebola-virus
#19
Judith R Glynn, Hilary Bower, Sembia Johnson, Catherine F Houlihan, Carla Montesano, Janet T Scott, Malcolm G Semple, Mohammed S Bangura, Alie Joshua Kamara, Osman Kamara, Saidu H Mansaray, Daniel Sesay, Cecilia Turay, Steven Dicks, Raoul E Guetiya Wadoum, Vittorio Colizzi, Francesco Checchi, Dhan Samuel, Richard S Tedder
BACKGROUND: The frequency of asymptomatic infection with Ebola virus is unclear: previous estimates vary and there is no standard test. Asymptomatic infection with Ebola virus could contribute to population immunity, reducing spread. If people with asymptomatic infection are infectious it could explain re-emergences of Ebola virus disease (EVD) without known contact. METHODS: We validated a new oral fluid anti-glycoprotein IgG capture assay among survivors from Kerry Town Ebola Treatment Centre and controls from communities unaffected by EVD in Sierra Leone...
February 27, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28253601/-igg-4-related-disease-involving-the-trachea-and-paratracheal-soft-tissue-a-case-report-and-literature-review
#20
W L Fang, H J Wang, Y W Lu, R E Feng, X N Bu, Q H Fang
Objective: To investigate the clinical data of a patient with IgG(4)-related disease involving the trachea and paratracheal soft tissue and review the literature so as to improve the understanding level of the disorder. Methods: To analyze the clinical manifestation, laboratory examination, imaging, histopathology, treatment and prognosis of a patient with IgG(4)-related disease trachea and paratracheal soft tissue involved, who was admitted to the Department of Respiratory and Critical Care Medicine at Beijing Chaoyang Hospital...
March 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
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