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https://www.readbyqxmd.com/read/29777516/irisin-levels-increase-after-treatment-in-patients-with-newly-diagnosed-hashimoto-thyroiditis
#1
Z A Uc, S Gorar, S Mizrak, S Gullu
PURPOSE: Irisin is a newly identified myokine secreted by skeletal muscle and has significant effects on body metabolism. Thyroidal functional state has a profound influence on the metabolism of human body. Therefore, the aim of this study was to investigate the possible changes in serum irisin concentrations before and after treatment in hypothyroid subjects. METHODS: The study included 26 patients with overt hypothyroidism due to Hashimoto thyroiditis and 19 healthy subjects...
May 18, 2018: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/29777164/mrna-treatment-produces-sustained-expression-of-enzymatically-active-human-adamts13-in-mice
#2
Susan Liu-Chen, Brendan Connolly, Lei Cheng, Romesh R Subramanian, Zhaozhong Han
Thrombotic thrombocytopenic purpura (TTP) is primarily caused by deficiency of ADAMTS13 within the blood stream due to either genetic defects or presence of inhibitory autoantibodies. Preclinical and clinical studies suggest that enzyme replacement therapy with recombinant human ADAMTS13 protein (rhADAMTS13) is effective and safe in treatment of TTP. However, frequent dosing would be required due to the relatively short half-life of rhADAMTS13 in circulation as well as the presence of inhibitory autoantibodies that collectively result in the poor pharmacological profile of rhADAMTS13...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29775752/the-genetics-and-molecular-pathogenesis-of-systemic-lupus-erythematosus-sle-in-populations-of-different-ancestry
#3
REVIEW
George N Goulielmos, Maria I Zervou, Vassilis M Vazgiourakis, Yogita Ghodke-Puranik, Alexandros Garyfallos, Timothy B Niewold
Systemic lupus erythematosus (SLE; OMIM 152700) is a highly heterogeneous disorder, characterized by differences in autoantibody profile, serum cytokines, and a multi-system involvement commonly affecting the skin, renal, musculoskeletal, and hematopoetic systems clinical manifestations involving. Disease features range from mild manifestations, such as rash or arthritis, to life-threatening end-organ manifestations, such as glomerulonephritis or thrombosis, and it is difficult to predict which manifestations will affect a given patient...
May 15, 2018: Gene
https://www.readbyqxmd.com/read/29774846/occupation-associated-fatal-limbic-encephalitis-caused-by-variegated-squirrel-bornavirus-1-germany-2013
#4
Dennis Tappe, Kore Schlottau, Daniel Cadar, Bernd Hoffmann, Lorenz Balke, Burkhard Bewig, Donata Hoffmann, Philip Eisermann, Helmut Fickenscher, Andi Krumbholz, Helmut Laufs, Monika Huhndorf, Maria Rosenthal, Walter Schulz-Schaeffer, Gabriele Ismer, Sven-Kevin Hotop, Mark Brönstrup, Anthonina Ott, Jonas Schmidt-Chanasit, Martin Beer
Limbic encephalitis is commonly regarded as an autoimmune-mediated disease. However, after the recent detection of zoonotic variegated squirrel bornavirus 1 in a Prevost's squirrel (Callosciurus prevostii) in a zoo in northern Germany, we retrospectively investigated a fatal case in an autoantibody-seronegative animal caretaker who had worked at that zoo. The virus had been discovered in 2015 as the cause of a cluster of cases of fatal encephalitis among breeders of variegated squirrels (Sciurus variegatoides) in eastern Germany...
June 2018: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29774780/increased-levels-of-circulating-gfap-and-crmp2-autoantibodies-in-the-acute-stage-of-spinal-cord-injury-predict-the-subsequent-development-of-neuropathic-pain
#5
Georgene W Hergenroeder, John B Redell, Huimahn Alex Choi, Lisa Hollan Schmitt, William Donovan, Gerard E Francisco, Karl M Schmitt, Anthony N Moore, Pramod K Dash
Neuropathic pain develops in 40-70% of spinal cord injury (SCI) patients and markedly compromises quality of life. We examined plasma from SCI patients for autoantibodies to glial fibrillary acidic protein (GFAP) and collapsin response mediator protein-2 (CRMP2) and evaluated their relationship to the development of neuropathic pain. In study 1, plasma samples and clinical data from 80 chronic SCI patients (1-41 years post-SCI) were collected and screened for GFAP autoantibodies (GFAPab). Results from study 1 indicated that GFAPab were present in 34 of 80 (42...
May 18, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29774490/higher-activation-of-the-interferon-gamma-signaling-pathway-in-systemic-lupus-erythematosus-patients-with-a-high-type-i-ifn-score-relation-to-disease-activity
#6
Manman Liu, Junli Liu, Shumeng Hao, Ping Wu, Xiaoyan Zhang, Yichuan Xiao, Gengru Jiang, Xinfang Huang
Increased IFN-γ levels have been associated with systemic lupus erythematosus (SLE). However, the relationships among IFN-γ, type I interferons (IFNs) and clinical features have not been extensively studied. Peripheral blood samples from 44 SLE patients and 36 healthy donors (HDs) were collected. Quantitative real-time PCR was used to assess the mRNA expression of IFNG, type II IFN-inducible genes (IRF1, GBP1, CXCL9, CXCL10, and SERPING1, which are used for the type II IFN score), type I IFN-inducible genes (IRF7, MX1, ISG15, and ISG20, which are used for the type I IFN score), TBX21, and EOMES in peripheral blood mononuclear cells...
May 17, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29774375/-successful-treatment-of-acquired-hemophilia-a-with-recombinant-porcine-factor-viii
#7
K Trautmann-Grill, O Tiebel, K Hölig, U Platzbecker
Acquired hemophilia A is a rare, potentially life-threatening disease resulting from autoantibodies against coagulation factor VIII. We report the case of a patient with acquired hemophilia A and severe bleeding after incision of a peritonsillar abscess. Treatment with high dose factor VIII and recombinant activated factor VII failed to control bleeding. However, a single infusion of recombinant porcine factor VIII stopped bleeding efficiently and resulted in measurable factor VIII levels.
May 17, 2018: Medizinische Klinik, Intensivmedizin und Notfallmedizin
https://www.readbyqxmd.com/read/29774057/ocrelizumab-a-new-milestone-in-multiple-sclerosis-therapy
#8
REVIEW
Patricia Mulero, Luciana Midaglia, Xavier Montalban
B cells play a central role in the pathogenesis of multiple sclerosis (MS): they are involved in the activation of pro-inflammatory T cells, secretion of pro-inflammatory cytokines and production of autoantibodies directed against myelin. Hence, the use of B cell-depleting monoclonal antibodies as therapy for autoimmune diseases, including MS, has increased in recent years. Previous results with rituximab, the first therapeutic B cell-depleting chimeric monoclonal antibody that showed efficacy in MS clinical trials, encouraged researchers to evaluate the efficacy of a humanized anti-CD20 antibody, ocrelizumab, in MS...
2018: Therapeutic Advances in Neurological Disorders
https://www.readbyqxmd.com/read/29774053/postherpes-simplex-encephalitis-a-case-series-of-viral-triggered-autoimmunity-synaptic-autoantibodies-and-response-to-therapy
#9
Harry Alexopoulos, Sofia Akrivou, Sotiria Mastroyanni, Maria Antonopoulou, Argirios Dinopoulos, Melpo Giorgi, Kostas Konstantinou, Evangelos Kouremenos, Maria Lariou, Dimitrios Naoumis, Efterpi Pavlidou, Evaggelos Pavlou, Konstantinos Voudris, Panayotis Vlachoyiannopoulos, Marinos C Dalakas
Background: Recent evidence suggests that patients with herpes simplex virus (HSV) encephalitis may relapse because of autoimmunity against the N-methyl-D-aspartate receptor (NMDAR). We present a case series of post-HSV relapsing encephalopathy associated with antibodies to central nervous system (CNS) synaptic antigens. Patient/Methods: Sera and cerebrospinal fluid (CSF) from five patients with HSV encephalitis who relapsed after antiviral therapy were tested for anti-NMDAR, gamma-aminobutyric acid b receptor (GABAbR), α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor (AMPAR), Leucine-rich, glioma inactivated 1 (LGI1), anti -contactin-associated protein-like 2 (CASPR2) and dipeptidyl-peptidase-like protein-6 (DDPX) antibodies using cell-based assays...
2018: Therapeutic Advances in Neurological Disorders
https://www.readbyqxmd.com/read/29773705/vapour-gas-dust-and-fume-occupational-exposures-in-male-patients-with-rheumatoid-arthritis-resident-in-cornwall-uk-and-their-association-with-rheumatoid-factor-and-anti-cyclic-protein-antibodies-a-retrospective-clinical-study
#10
Dan Murphy, Katy Bellis, David Hutchinson
OBJECTIVES: To quantify exposure to vapour, gas, dust and fumes (VGDF) and smoking in male rheumatoid arthritis (RA) and investigate impact on rheumatoid factor (RF) and anti-citrullinated protein antibody (ACPA) levels. DESIGN: A retrospective observational study. SETTING: The Royal Cornwall Hospital Trust, UK. A single university hospital setting. PARTICIPANTS: 726 men followed up between February 2015 and August 2016, fulfilling RA diagnostic criteria...
May 17, 2018: BMJ Open
https://www.readbyqxmd.com/read/29773275/periodic-fever-syndromes
#11
REVIEW
Helen J Lachmann
Periodic fever syndromes are autoinflammatory diseases. The majority present in infancy or childhood and are characterised by recurrent episodes of fever and systemic inflammation that occur in the absence of autoantibody production or identifiable infection. The best recognised disorders include CAPS, FMF, TRAPS and MKD. Understanding the molecular pathogenesis of these disorders provides unique insights into the regulation of innate immunity. Diagnosis relies on clinical acumen and is supported by genetic testing...
August 2017: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/29773272/juvenile-dermatomyositis-latest-advances
#12
REVIEW
Qiong Wu, Lucy R Wedderburn, Liza J McCann
Registries and biobanks for juvenile dermatomyositis (JDM) have generated statistical power to help understand pathogenesis and determine treatment and long-term outcomes in this rare and heterogeneous disease. Genotype, autoantibodies, muscle histology and early clinical features may predict prognosis and guide personalised treatment. While corticosteroids and disease-modifying anti-rheumatic drugs improve outcomes, there remain children who experience refractory disease. Ongoing research into the aberrant immune response and novel biological targets is necessary...
August 2017: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/29773270/systemic-juvenile-idiopathic-arthritis-new-insights-into-pathogenesis-and-cytokine-directed-therapies
#13
REVIEW
Manuela Pardeo, Claudia Bracaglia, Fabrizio De Benedetti
Systemic juvenile idiopathic arthritis (sJIA) is considered as a polygenic autoinflammatory disease. The prominent systemic clinical features, the marked elevation of inflammatory markers, and the absence of autoantibodies make this disease very different from the other juvenile idiopathic arthritis (JIA) forms. Innate immune mechanisms appear to play a central role: the overproduction of inflammatory cytokines of innate immunity is a typical feature of sJIA. Increased understanding of the role of these cytokines has been translated into therapeutic approaches...
August 2017: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/29773230/medications-received-by-patients-with-juvenile-dermatomyositis
#14
Takayuki Kishi, Nastaran Bayat, Michael M Ward, Adam M Huber, Lan Wu, Gulnara Mamyrova, Ira N Targoff, William J Warren-Hicks, Frederick W Miller, Lisa G Rider
OBJECTIVE: Few controlled studies are available to guide treatment decisions in juvenile dermatomyositis (JDM). This study evaluated therapies received, changes of treatment over time, and factors associated with medication choices in JDM. METHODS: We performed a retrospective analysis of the number and type of therapies and duration of treatment for 320 patients with JDM enrolled in a North American registry. Kaplan-Meier and logistic regression analysis were used to assess the association of demographic and clinical features and autoantibodies with medication usage...
March 28, 2018: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/29772551/relevant-effects-of-beta-1-adrenoceptor-autoantibodies-in-chronic-heart-failure
#15
Valerie Boivin-Jahns, Roland Jahns, Fritz Boege
Patients suffering from chronic heart failure (CHF) caused or promoted by autoantibodies against cardiac beta1 -adrenergic receptors (beta1 AR) could benefit from specific therapies aimed at tolerance induction, removal or neutralisation of beta1 AR autoantibodies, provided the patients can be selected for these therapies by reliable detection and quantitation of beta1 AR autoantibodies in their circulation and by a valid assessment of the autoantibodies's putative cardio-pathogenic potential. Here, we discuss the current state of knowledge regarding the effects of CHF-associated (auto)antibodies on beta1 AR function and beta1 AR-mediated signal tranduction and discuss the presumed role of these effects in the development and progression of CHF...
June 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/29772547/role-of-alpha1-adrenergic-receptor-antibodies-in-alzheimer-s-disease
#16
Peter Karczewski, Petra Hempel, Marion Bimmler
Agonistic autoantibodies (agAAB) for alpha-1 adrenoceptor were found in approx. 50% of patients with Alzheimer's disease. These antibodies activate the receptor and trigger the signal cascades similarly to how natural agonists do. The agAAB bond to the receptor is persistent and prolonged. This results in a non-physiological elevation of intracellular calcium. An animal model has shown that agAAB causes macrovascular and microvascular impairment in the vessels of the brain. Reduction in blood flow and the density of intact vessels was significantly demonstrated...
June 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/29772546/gpcr-autoantibodies-in-chronic-heart-failure
#17
Valerie Boivin-Jahns, Roland Jahns
Chronic heart failure (CHF) is a syndrome characterized by shortness of breath, fluid retention, and a progressive reduction in cardiac function. More than 60% of the cases are ischemic in origin (i.e., due to myo-cardial infarction) and about 30% are caused by non-ischemic myocardial damage (i.e., due to genetic or non-genetic causes like myocardial inflammation). Because of alterations in both cellular and humoral immunity patients with non-ischemic CHF often develop abnormal or misled immune responses, including cross-reacting antibodies and/or autoantibodies to various cardiac anti-gens...
June 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/29772545/autoantibodies-against-muscarinic-acetylcholine-receptor-m-3-in-sjogren-s-syndrome-and-corresponding-mouse-models
#18
Xinhua Yu, Gabriela Riemekasten, Frank Petersen
Muscarinic acetylcholine receptor M3 (M3R) is a GPCR on exocrine gland cells involved in fluid secretion. In the last two decades, evidence has been accumulated arguing for a role of autoantibodies (aab) against M3R in the development of Sjögren's syndrome (SS). In this review, we provide an updated overview on this issue and critically discuss the relation between autoimmunity to M3R and SS pathogenesis. Clinical data as well as findings from experimental disease were summarized in categories addressing the presence of aab against M3R in SS patients, the function of anti-M3R aab, the association of aab against M3R with SS-related phenotypes, in vivo pathogenicity of transferred aab against M3R in mice, and mouse models induced via immunization with M3R...
June 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/29772543/functional-diagnostics-for-thyrotropin-hormone-receptor-autoantibodies-bioassays-prevail-over-binding-assays
#19
Simon David Lytton, Anke Schluter, Paul J Banga
Autoantibodies to the thyrotropin hormone receptor (TSH-R) are directly responsible for the hyperthyroidism in Graves' disease and mediate orbital manifestations in Graves' orbitopathy (otherwise known as thyroid eye disease). These autoantibodies are heterogeneous in their function and collectively referred to as TRAbs. Measurement of TRAbs is clinically important for diagnosis of a variety of conditions and different commercial assays with high sensitivity and specificity are available for diagnostic purposes...
June 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/29771756/thyrotropin-receptor-antibodies-an-overview
#20
Anupam Kotwal, Marius Stan
PURPOSE: Thyroid autoimmunity affects approximately 5% of the population, and its investigation relies heavily on the use of autoantibodies. Thyroid stimulating hormone receptor (TSHR) autoantibodies (TRAb) play a central role in the evaluation of Graves disease (GD), Graves ophthalmopathy (GO) and pretibial myxedema (PTM). However, there is still controversy regarding overall TRAb assay diagnostic accuracy and their prognostic utility. METHODS: We reviewed and analyzed the literature reporting TRAb assays and their clinical utility...
May 2, 2018: Ophthalmic Plastic and Reconstructive Surgery
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