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https://www.readbyqxmd.com/read/28655225/why-are-autoimmune-diseases-more-prevalent-in-women
#1
Karen Helene Ørstavik
No abstract text is available yet for this article.
June 26, 2017: Tidsskrift for Den Norske Lægeforening: Tidsskrift for Praktisk Medicin, Ny Række
https://www.readbyqxmd.com/read/28655067/fatal-ulcerative-enteritis-of-the-small-intestine-in-a-patient-with-ulcerative-colitis-treated-with-vedolizumab
#2
Carmen Monasterio, Annette Schmitt-Gräff, Matthias Pohl, Thomas Truschel, Klaus Warnatz, Wolfgang Kreisel, Robert Thimme, Peter Hasselblatt
Vedolizumab (VDZ) inhibits α4β7 integrins and is used to target intestinal immune responses in patients with inflammatory bowel disease, which is considered to be relatively safe. Here we report on a fatal complication following VDZ administration. A 64-year-old female patient with ulcerative colitis (UC) refractory to tumor necrosis factor inhibitors was treated with VDZ. One week after the second VDZ infusion, she was admitted to hospital with severe diarrhea and systemic inflammatory response syndrome (SIRS)...
June 27, 2017: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/28654764/deep-proteome-profiling-reveals-common-prevalence-of-mzb1-positive-plasma-b-cells-in-human-lung-and-skin-fibrosis
#3
Herbert B Schiller, Christoph H Mayr, Gabriela Leuschner, Maximilian Strunz, Claudia Staab-Weijnitz, Stefan Preisendörfer, Beate Eckes, Pia Moinzadeh, Thomas Krieg, David A Schwartz, Rudolf A Hatz, Jürgen Behr, Matthias Mann, Oliver Eickelberg
RATIONALE: Analyzing the molecular heterogeneity of different forms of organ fibrosis may reveal common and specific factors and thus identify potential future therapeutic targets. OBJECTIVES: We sought to use proteome-wide profiling of human tissue fibrosis to (1) identify common and specific signatures across endstage interstitial lung disease (ILD) cases, (2) characterize ILD subgroups in an unbiased fashion, and (3) identify common and specific features of lung and skin fibrosis...
June 27, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28654679/increased-risk-of-thyroid-diseases-in-patients-with-systemic-lupus-erythematosus-a-nationwide-population-based-study-in-korea
#4
Jae-Seung Yun, Jung Min Bae, Ki-Jo Kim, Yu Seok Jung, Gyong Moon Kim, Hyung-Rae Kim, Jun-Seok Lee, Seung-Hyun Ko, Seon-Ah Cha, Yu-Bae Ahn
We investigated the association between autoimmune thyroid disease and systemic lupus erythematosus (SLE) using nationwide insurance claims data for the entire Korean population. Claims data for the period 2009-2013 were retrieved from the National Health Insurance System database. SLE and thyroid disease were identified using the International Classification of Diseases codes and medication information. Logistic regression analyses were used to evaluate the association between SLE and thyroid disease. The study used records from 17,495 patients with SLE and 52,485 age- and sex-matched control subjects...
2017: PloS One
https://www.readbyqxmd.com/read/28654461/natural-history-pathogenesis-and-treatment-of-evans-syndrome-in-children
#5
Elpis Mantadakis, Evangelia Farmaki
Primary Evans syndrome (ES) is defined by the concurrent or sequential occurrence of immune thrombocytopenia and autoimmune hemolytic anemia in the absence of an underlying etiology. The syndrome is characterized by a chronic, relapsing, and potentially fatal course requiring long-term immunosuppressive therapy. Treatment of ES is hardly evidence-based. Corticosteroids are the mainstay of therapy. Rituximab has emerged as the most widely used second-line treatment, as it can safely achieve high response rates and postpone splenectomy...
June 26, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28654425/association-between-gene-polymorphisms-and-clinical-features-in-idiopathic-thrombocytopenic-purpura-patients
#6
Hadi Rezaeeyan, Kaveh Jaseb, Arash Alghasi, Ali Amin Asnafi, Najmaldin Saki
: Immune thrombocytopenic purpura (ITP) is an autoimmune disease in which increased platelet destruction and thrombocytopenia are diagnostic features. In fact, the exact pathogenesis of this disease is still unknown, but genetic changes can be a potential factor in the development of ITP. In this study, the relationship between polymorphisms with platelet destruction has been studied, which leads to decreased platelet count. Relevant literature was identified by a PubMed search (2000-2016) of English language papers using the terms 'ITP', 'polymorphism,' and 'immune system'...
June 24, 2017: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
https://www.readbyqxmd.com/read/28654127/bio-camouflage-of-anatase-nanoparticles-explored-by-in-situ-high-resolution-electron-microscopy
#7
Ana R Ribeiro, Arijita Mukherjee, Xuan Hu, Shayan Shafien, Reza Ghodsi, Kun He, Sara Gemini-Piperni, Canhui Wang, Robert F Klie, Tolou Shokuhfar, Reza Shahbazian-Yassar, Radovan Borojevic, Luis A Rocha, José M Granjeiro
While titanium is the metal of choice for most prosthetics and inner body devices due to its superior biocompatibility, the discovery of Ti-containing species in the adjacent tissue as a result of wear and corrosion has been associated with autoimmune diseases and premature implant failures. Here, we utilize the in situ liquid cell transmission electron microscopy (TEM) in a liquid flow holder and graphene liquid cells (GLCs) to investigate, for the first time, the in situ nano-bio interactions between titanium dioxide nanoparticles and biological medium...
June 27, 2017: Nanoscale
https://www.readbyqxmd.com/read/28654074/a-chronic-autoimmune-dry-eye-rat-model-with-increase-in-effector-memory-t-cells-in-eyeball-tissue
#8
Aihua Hou, Tanima Bose, K George Chandy, Louis Tong
Dry eye disease is a very common condition that causes morbidity and healthcare burden and decreases the quality of life. There is a need for a suitable dry eye animal model to test novel therapeutics to treat autoimmune dry eye conditions. This protocol describes a chronic autoimmune dry eye rat model. Lewis rats were immunized with an emulsion containing lacrimal gland extract, ovalbumin, and complete Freund's adjuvant. A second immunization with the same antigens in incomplete Freund's adjuvant was administered two weeks later...
June 7, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28653997/type-w-human-endogenous-retrovirus-herv-w-integrations-and-their-mobilization-by-l1-machinery-contribution-to-the-human-transcriptome-and-impact-on-the-host-physiopathology
#9
REVIEW
Nicole Grandi, Enzo Tramontano
Human Endogenous Retroviruses (HERVs) are ancient infection relics constituting ~8% of our DNA. While HERVs' genomic characterization is still ongoing, impressive amounts of data have been obtained regarding their general expression across tissues. Among HERVs, one of the most studied is the W group, which is the sole HERV group specifically mobilized by the long interspersed element-1 (LINE-1) machinery, providing a source of novel insertions by retrotransposition of HERV-W processed pseudogenes, and comprising a member encoding a functional envelope protein coopted for human placentation...
June 27, 2017: Viruses
https://www.readbyqxmd.com/read/28653829/development-and-characterization-of-a-hydroxyl-sulfonamide-analog-5-chloro-n-2-4-hydroxysulfamoyl-phenyl-ethyl-2-methoxy-benzamide-as-a-novel-nlrp3-inflammasome-inhibitor-for-potential-treatment-of-multiple-sclerosis
#10
Chunqing Guo, Jacob W Fulp, Yuqi Jiang, Xia Li, Jeremy Edward Chojnacki, Jingde Wu, Xiang-Yang Wang, Shijun Zhang
In our efforts to develop novel small molecule inhibitors for the NOD-like receptor family pyrin domain containing 3 (NLRP3) inflammasome as potential disease-modifying agents to treat neurological disorders including multiple sclerosis (MS), a hydroxyl sulfonamide analog JC-171 has been rationally designed and biologically characterized both in vitro and in vivo. Our studies established that JC-171 dose dependently inhibited LPS/ATP induced interleukin-1β (IL-1β) release from J774A.1 macrophages with an IC50 of 8...
June 27, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28653591/mechanism-of-dexamethasone-in-the-context-of-toxoplasma-gondii-infection
#11
Jing Zhang, Xin Qin, Y U Zhu, Shuang Zhang, Xue-Wei Zhang, H E Lu
Toxoplasmosis is a serious zoonoses disease and opportunistic, and can be life-threatening. Dexamethasone (DEX) is widely used in the clinic for treatment of inflammatory and autoimmune diseases. However, long-term use of DEX is often easy to lead to acute toxoplasmosis in patients, and the potential molecular mechanism is still not very clear. The aims of this study were to investigate the effect of DEX on proliferation of Toxoplasma and its molecular mechanisms, and to establish the corresponding control measures...
June 27, 2017: Parasitology
https://www.readbyqxmd.com/read/28653282/therapeutic-targets-for-multiple-sclerosis-current-treatment-goals-and-future-directions
#12
REVIEW
Andrew L Smith, Jeffrey A Cohen, Le H Hua
Multiple sclerosis (MS) is an autoimmune demyelinating disease of the central nervous system, and the most common cause of nontraumatic disability in young adults. Most patients have a relapsing-remitting course, and roughly half of them will eventually enter a degenerative progressive phase, marked by gradual accrual of disability over time in the absence of relapses. Early initiation of treatment has delayed the onset of disability progression. Thus, there is increased interest in treating to target in MS, particularly targeting no evidence of disease activity...
June 26, 2017: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/28652830/clinical-and-serological-characteristics-of-ecuadorian-patients-with-rheumatoid-arthritis
#13
Carlos Ríos, Génessis Maldonado, Carlos Paredes, Christian Ferro, Mario Moreno, Claudia Vera, Sara Vargas, Wendy Calapaqui, Carlos Vallejo
BACKGROUND: Rheumatoid arthritis (RA) is a systemic autoimmune inflammatory disease, wherein late diagnosis and treatment leads to deformities and disability. OBJECTIVE: The aim of the study was to assess and describe the clinical and immunological characteristics, activity status of the disease, and functional capacity in a cohort of Ecuadorian patients with RA. METHODS: This is a cross-sectional, descriptive study conducted on a population of patients with prediagnosed RA from public and private Ecuadorian rheumatology clinics...
2017: Open Access Rheumatology: Research and Reviews
https://www.readbyqxmd.com/read/28652676/utility-of-cardiac-magnetic-resonance-in-recurrent-myocarditis
#14
Abdullah M Alotaibi, Ahmed Aljizeeri, Mouaz Al-Mallah, Ahmed Alsaileek
We report a 26-year-old man who presented to the emergency department four times within a 4-year period with recurrent myocarditis. His presentations were characterized by chest pain, elevated troponin I, and normal coronary angiography. Endomyocardial biopsy showed nonspecific inflammatory process. Laboratory workup including viral screening and autoimmune markers were negative. Cardiac magnetic resonance imaging showed evidence of recurrent myocarditis with progressive appearance of new areas of myocardial delayed enhancement seen in each admission...
July 2017: Journal of the Saudi Heart Association
https://www.readbyqxmd.com/read/28652580/immunological-phenotype-of-the-murine-lrba-knockout
#15
Laura Gámez-Díaz, Julika Neumann, Fiona Jäger, Michele Proietti, Felicitas Felber, Pauline Soulas-Sprauel, Lisa Perruzza, Fabio Grassi, Tamara Kögl, Peter Aichele, Manfred Kilimann, Bodo Grimbacher, Sophie Jung
Biallelic mutations in the human Lipopolysaccharide Responsive Beige-like Anchor (LRBA) gene lead to a primary immunodeficiency known as LRBA deficiency, characterized by a broad range of clinical manifestations including autoimmunity, organomegaly, hypogammaglobulinemia and recurrent infections. Considering the phenotypic heterogeneity in patients and the severity of the disease, our aim was to assess the role of LRBA in immune cells and to understand the underlying pathomechanisms through the study of a Lrba knockout (Lrba(-/-)) mouse model...
June 27, 2017: Immunology and Cell Biology
https://www.readbyqxmd.com/read/28652573/extraordinarily-potent-proinflammatory-properties-of-lactoferrin-containing-immunocomplexes-against-human-monocytes-and-macrophages
#16
Lulu Hu, Xiaomin Hu, Kai Long, Chenhui Gao, Hong-Liang Dong, Qiao Zhong, Xiao-Ming Gao, Fang-Yuan Gong
Lactoferrin (LTF), an important first line defense molecule against infection, is a common target for humoral autoimmune reactions in humans. Since LTF is a multifunctional protein capable of activating innate immune cells via various surface receptors, we hypothesized that LTF-containing immune complexes (ICs) (LTF-ICs), likely formed in patients with high titer anti-LTF autoantibodies, could possess unique monocyte/macrophage-activating properties compared with other ICs. ELISA analysis on serum samples from rheumatoid arthritis (RA) patients (n = 80) and healthy controls (n = 35) for anti-LTF autoantibodies confirmed a positive correlation between circulating LTF-specific IgG and RA...
June 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28652404/current-prospects-of-type-ii-interferon-gamma-signaling-and-autoimmunity
#17
Daniel S Green, Howard A Young, Julio C Valencia
Interferon gamma (IFNg) is a pleotropic protein secreted by immune cells. IFNg signals through the IFNg receptor, a protein complex that mediates a number of down-stream signaling events. Studies into IFNg signaling have provided insight into general concepts of receptor signaling, receptor internalization, the regulation of distinct signaling pathways and transcriptional regulation. While IFNg is central mediator of the adaptive immune response to pathogens, it has been shown to be involved in a number of non-infectious physiological processes...
June 26, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28652399/c-rel-and-i%C3%AE%C2%BAbns-govern-common-and-independent-steps-of-regulatory-t-cell-development-from-novel-cd122-expressing-pre-precursors
#18
Marc Schuster, Carlos Plaza-Sirvent, Anne-Marie Matthies, Ulrike Heise, Andreas Jeron, Dunja Bruder, Alexander Visekruna, Jochen Huehn, Ingo Schmitz
Foxp3-expressing regulatory T cells (Tregs) are essential regulators of immune homeostasis and, thus, are prime targets for therapeutic interventions of diseases such as cancer and autoimmunity. c-REL and IκBNS are important regulators of Foxp3 induction in Treg precursors upon γ-chain cytokine stimulation. In c-REL/IκBNS double-deficient mice, Treg numbers were dramatically reduced, indicating that together, c-REL and IκBNS are pivotal for Treg development. However, despite the highly reduced Treg compartment, double-deficient mice did not develop autoimmunity even when aged to more than 1 y, suggesting that c-REL and IκBNS are required for T cell effector function as well...
June 26, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28652396/tlr7-signaling-regulates-th17-cells-and-autoimmunity-novel-potential-for-autoimmune-therapy
#19
Jian Ye, Yadan Wang, Xia Liu, Lingyun Li, Adeleye Opejin, Eddy C Hsueh, Huanle Luo, Tian Wang, Daniel Hawiger, Guangyong Peng
Innate regulation through TLR signaling has been shown to be important for promoting T cell subset development and function. However, limited information is known about whether differential TLR signaling can selectively inhibit Th17 and/or Th1 cells, which are important for controlling excessive inflammation and autoimmune responses. In this article, we demonstrate that activation of TLR7 signaling in T cells can inhibit Th17 cell differentiation from naive T cells and IL-17 production in established Th17 cells...
June 26, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28652353/disentangling-the-effects-of-selection-and-loss-bias-on-gene-dynamics
#20
Jaime Iranzo, José A Cuesta, Susanna Manrubia, Mikhail I Katsnelson, Eugene V Koonin
We combine mathematical modeling of genome evolution with comparative analysis of prokaryotic genomes to estimate the relative contributions of selection and intrinsic loss bias to the evolution of different functional classes of genes and mobile genetic elements (MGE). An exact solution for the dynamics of gene family size was obtained under a linear duplication-transfer-loss model with selection. With the exception of genes involved in information processing, particularly translation, which are maintained by strong selection, the average selection coefficient for most nonparasitic genes is low albeit positive, compatible with observed positive correlation between genome size and effective population size...
June 26, 2017: Proceedings of the National Academy of Sciences of the United States of America
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