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Autoantibody

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https://www.readbyqxmd.com/read/29792176/anti-neutrophil-cytoplasmic-antibody-associated-glomerulonephritis-with-detection-of-myeloperoxidase-and-phospholipase-a-2-receptor-in-membranous-nephropathy-lesions-report-of-two-patients-with-microscopic-polyangiitis
#1
Kenta Tominaga, Takahiro Uchida, Toshihiko Imakiire, Kenji Itoh, Hideyuki Shimazaki, Kuniaki Nakanishi, Hiroo Kumagai, Naoki Oshima
BACKGROUND: Podocyte phospholipase A2 receptor (PLA2 R) is a major target antigen in idiopathic adult membranous nephropathy (MN). Histological PLA2 R staining in the renal tissue has proven to be useful for the detection of idiopathic MN. However, glomerular PLA2 R deposits have also been recently observed in several patients with secondary MN, such as hepatitis B virus-associated, hepatitis C virus-associated, and neoplasm-associated MN. Certain inflammatory environments have been suggested to lead to abnormal expression of PLA2 R epitopes, with the resulting production of PLA2 R autoantibodies...
May 23, 2018: BMC Nephrology
https://www.readbyqxmd.com/read/29791130/quantification-of-serum-high-mobility-group-box-1-by-liquid-chromatography-high-resolution-mass-spectrometry-implications-for-its-role-in-immunity-inflammation-and-cancer
#2
Liwei Weng, Lili Guo, Anil Vachani, Clementina A Mesaros, Ian Alexander Blair
High mobility group box 1 (HMGB1), is a non-histone chromosomal protein, which can be secreted through a variety of pathways and bind to pattern recognition receptors to release pro-inflammatory cytokines. Previous studies have suggested that HMGB1 is up-regulated in numerous inflammatory diseases and that it could be a biomarker for such diseases. However, these studies used immunoassay-based methods to analyze serum HMGB1. Autoantibodies to HMGB1 in serum are found in healthy control subjects as well as in patients with different diseases...
May 23, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29790305/lyme-disease-associated-igg4-autoantibodies-correlate-with-synovial-pathology-in-antibiotic-refractory-lyme-arthritis
#3
Katherine B Sulka, Klemen Strle, Jameson T Crowley, Robert B Lochhead, Robert Anthony, Allen C Steere
OBJECTIVE: To determine whether IgG subclasses of B. burgdorferi antibodies differ from those of 3 Lyme disease (LD)-associated autoantibodies. METHODS: The IgG antibody subclasses were determined by ELISA in serum samples from 215 patients representative of each of the 3 stages of Lyme disease. Antibody and cytokine profiles were measured in matched serum and synovial fluid (SF) samples from Lyme arthritis patients. Synovial tissue from patients with antibiotic-refractory arthritis was examined for histologic features, IgG subclasses of plasma cells, and mRNA subclass expression...
May 23, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29789305/ro-positive-interstitial-lung-disease-treated-with-cyclophosphamide
#4
Nader Habib Bedwani, Natasha Jefferson, Christopher Marguerie, Jayanta Mukherjee
Interstitial lung disease (ILD) comprises a spectrum of conditions involving inflammation and/or fibrosis of the alveolar wall causing limitation in gaseous exchange. Treatment varies depending on the underlying ILD. We describe the case of a woman presenting with a productive cough who was diagnosed with community-acquired pneumonia. While on the ward she developed type-1 respiratory failure requiring continuous positive airway pressure and intensive care unit admission. Failing to respond to targeted antimicrobials she was investigated by chest high-resolution CT and autoantibody screen to identify non-infective causes of her respiratory signs and symptoms...
May 22, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29788256/distinct-hla-associations-of-lgi1-and-caspr2-antibody-diseases
#5
Sophie Binks, James Varley, Wanseon Lee, Mateusz Makuch, Katherine Elliott, Jeffrey M Gelfand, Saiju Jacob, M Isabel Leite, Paul Maddison, Mian Chen, Michael D Geschwind, Eleanor Grant, Arjune Sen, Patrick Waters, Mark McCormack, Gianpiero L Cavalleri, Martin Barnardo, Julian C Knight, Sarosh R Irani
The recent biochemical distinction between antibodies against leucine-rich, glioma-inactivated-1 (LGI1), contactin-associated protein-2 (CASPR2) and intracellular epitopes of voltage-gated potassium-channels (VGKCs) demands aetiological explanations. Given established associations between human leucocyte antigen (HLA) alleles and adverse drug reactions, and our clinical observation of frequent adverse drugs reactions in patients with LGI1 antibodies, we compared HLA alleles between healthy controls (n = 5553) and 111 Caucasian patients with VGKC-complex autoantibodies...
May 18, 2018: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29787590/cost-effectiveness-of-an-autoantibody-test-earlycdt-lung-as-an-aid-to-early-diagnosis-of-lung-cancer-in-patients-with-incidentally-detected-pulmonary-nodules
#6
John Edelsberg, Derek Weycker, Mark Atwood, Geoffrey Hamilton-Fairley, James R Jett
OBJECTIVE: Patients who have incidentally detected pulmonary nodules and an estimated intermediate risk (5-60%) of lung cancer frequently are followed via computed tomography (CT) surveillance to detect nodule growth, despite guidelines for a more aggressive diagnostic strategy. We examined the cost-effectiveness of an autoantibody test (AABT)-Early Cancer Detection Test-Lung (EarlyCDT-LungTM)-as an aid to early diagnosis of lung cancer among such patients. METHODS: We developed a decision-analytic model to evaluate use of the AABT versus CT surveillance alone...
2018: PloS One
https://www.readbyqxmd.com/read/29785672/aberrant-t-cell-subsets-and-cytokines-expression-profile-in-systemic-lupus-erythematosus
#7
Haiyan Zhou, Bailong Hu, Niwen Huang, Xiangang Mo, Wei Li, Bei Zhang, Bo Wei, Mingzhu Gao, Yiming Wang, Xingde Liu, Joshua Liao
To assess T cell subsets and levels of chemokines and cytokines in patients with SLE and determine their relationships between disease activity and organ involvement. Blood samples from SLE patients (n = 24) and healthy controls (n = 36) were analyzed. Frequency of circulating follicular help T cells (Tfh), central memory T cells (Tcm), effector memory T cells (Tem), and naïve T cell subsets was enumerated and their surface markers expression of inducible T cell co-stimulator (ICOS) and programmed death 1(PD-1) protein was examined by flow cytometry...
May 22, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29785115/management-and-outcomes-of-pregnancy-with-or-without-lupus-nephritis-a-systematic-review-and-meta-analysis
#8
REVIEW
Jiayue Wu, Jinghang Ma, Wei-Hong Zhang, Wen Di
Background: Although it is well established that systemic lupus erythematosus (SLE) negatively affects pregnancy outcomes, there is insufficient evidence on the effect of lupus nephritis (LN) on antenatal management and pregnancy outcomes. We performed a systematic review and meta-analysis to determine the association of LN with management and pregnancy outcomes in SLE patients. Methods: Embase, Medline, Cochrane, and ClinicalTrials.gov were carefully searched for relevant English and Chinese language studies...
2018: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/29784724/author-response-anti-cytosolic-5-nucleotidase-1a-cn1a-autoantibodies-in-motor-neuron-diseases
#9
Teerin Liewluck
No abstract text is available yet for this article.
May 22, 2018: Neurology
https://www.readbyqxmd.com/read/29784723/reader-response-anti-cytosolic-5-nucleotidase-1a-cn1a-autoantibodies-in-motor-neuron-diseases
#10
Adrian Budhram
No abstract text is available yet for this article.
May 22, 2018: Neurology
https://www.readbyqxmd.com/read/29784722/editors-note-anti-cytosolic-5-nucleotidase-1a-cn1a-autoantibodies-in-motor-neuron-diseases
#11
Chafic Karam, Steven Galetta
No abstract text is available yet for this article.
May 22, 2018: Neurology
https://www.readbyqxmd.com/read/29784651/immune-recognition-of-%C3%AE-cells-neoepitopes-as-key-players-in-the-loss-of-tolerance
#12
Eddie A James, Massimo Pietropaolo, Mark J Mamula
Prior to the onset of type 1 diabetes, there is progressive loss of immune self-tolerance, evidenced by the accumulation of islet autoantibodies and emergence of autoreactive T cells. Continued autoimmune activity leads to the destruction of pancreatic β-cells and loss of insulin secretion. Studies of samples from patients with type 1 diabetes and of murine disease models have generated important insights about genetic and environmental factors that contribute to susceptibility and immune pathways that are important for pathogenesis...
June 2018: Diabetes
https://www.readbyqxmd.com/read/29784613/cryoglobulinemic-glomerulonephritis-associated-with-nodal-and-renal-infiltration-by-t-cell-lymphoma-of-t-follicular-helper-phenotype-a-case-report
#13
Jennifer Li, Marille Umakanathan, Chow Heok P'ng, Winny Varikatt, Fiona Kwok, Ming-Wei Lin, Mirna Vucak-Dzumhur
We present a unique case of cryoglobulinemic glomerulonephritis associated with nodal and renal infiltration by T-cell lymphoma of T-follicular helper phenotype. The patient presented with transient neurologic symptoms, severe nephritic syndrome with nephrotic-range proteinuria, and acute kidney injury. He had elevated double-stranded DNA levels, low complement levels, detectable cryoglobulin, and detectable immunoglobulin M (IgM) paraprotein. The kidney biopsy showed cryoglobulinemic glomerulonephritis with a membranoproliferative pattern and diffuse interstitial infiltrates on light microscopy; IgM, C3 but weak IgG, C1q, and negative C4d staining on immunofluorescence; and deposits with organized substructures on electron microscopy...
May 18, 2018: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29782936/stratification-of-type-2-diabetes-based-on-routine-clinical-markers
#14
Narges Safai, Ashfaq Ali, Peter Rossing, Martin Ridderstråle
AIMS: We hypothesized that patients with dysregulated type 2 diabetes may be stratified based on routine clinical markers. METHODS: In this retrospective cohort study, diabetes related clinical measures including age at onset, diabetes duration, HbA1c , BMI, HOMA2-β, HOMA2-IR and GAD65 autoantibodies, were used for sub-grouping patients by K-means clustering and for adjusting. Probability of diabetes complications (95% confidence interval), were calculated using logistic regression...
May 18, 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29782665/dietitian-visits-were-a-safe-and-cost-effective-form-of-follow-up-care-for-children-with-celiac-disease
#15
Karolina Johansson, Elin Malmberg Hård Af Segerstad, Helena Mårtensson, Daniel Agardh
AIM: This study compared follow-up protocols for paediatric celiac disease led by either paediatricians or dieticians at Swedish university hospitals. METHODS: We followed 363 celiac disease patients under 18 years at the university hospitals in Malmö (n=140) and Lund (n=79) between 2011-2013 and after they merged to become Skåne (n=144) between 2014-2016. Both Lund and Malmö provided regular paediatrician follow-up visits, while Skåne provided mainly dietitian-led visits...
May 21, 2018: Acta Paediatrica
https://www.readbyqxmd.com/read/29782427/clinical-profile-of-levamisole-adulterated-cocaine-induced-vasculitis-vasculopathy-a-30-case-series
#16
Carlos Horacio Muñoz-Vahos, Sebastián Herrera-Uribe, Álvaro Arbeláez-Cortés, Daniel Jaramillo-Arroyave, Luis Alonso González-Naranjo, Gloria Vásquez-Duque, Mauricio Restrepo-Escobar, Luis Alfonso Correa-Londoño, Luis Fernando Arias-Restrepo, Adriana Lucía Vanegas-García
OBJECTIVES: The aims of this study were to describe clinical and laboratory manifestations of patients with levamisole-adulterated cocaine-induced vasculitis/vasculopathy and to propose a skin classification according to the distribution and severity of lesions. METHODS: We report the characteristics of 30 patients admitted with levamisole-adulterated cocaine-induced vasculitis/vasculopathy in 4 high-complexity institutions in Colombia, from December 2010 to May 2017...
May 19, 2018: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/29782306/urticarial-lesions-in-a-pregnant-woman
#17
Sergio Santos-Alarcón, Cesar Benavente-Villegas, Isabel García-Briz, Magdalena Moneva-Léniz, Celia Sanchis-Sánchez, Almudena Mateu-Puchades
Dear Editor, Gestational pemphigoid (GP) is a rare autoimmune bullous dermatosis in pregnancy. GP usually occurs during the second or third month of pregnancy. It clinically manifests as the development of either early-onset urticarial lesions or late-onset subepidermal blisters that may linger for weeks or even months. Herein we report the case of a 45-year-old woman with the distinctive clinical onset of GP. A forty-five-year-old woman, gravida I, para 0, at 27 weeks gestation, was referred for evaluation to our Department with an extensive pruritic eruption that had developed over the previous 7 days...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29781588/smoking-in-systemic-sclerosis-a-longitudinal-european-scleroderma-trials-and-research-group-study
#18
Veronika K Jaeger, Gabriele Valentini, Eric Hachulla, Franco Cozzi, Oliver Distler, Paolo Airó, Laszlo Czirják, Yannick Allanore, Elise Siegert, Edoardo Rosato, Marco Matucci-Cerinic, Cristian Caimmi, Jörg Henes, Patricia E Carreira, Vanessa Smith, Francesco Del Galdo, Christopher P Denton, Susanne Ullman, Ellen De Langhe, Valeria Riccieri, Juan J Alegre-Sancho, Simona Rednic, Ulf Müller-Ladner, Ulrich A Walker
OBJECTIVES: Data on the role of tobacco exposure in systemic sclerosis (SSc) severity and progression are scarce. We aimed to assess the effects of smoking on the evolution of pulmonary and skin manifestations in the EUSTAR database. METHODS: Adult SSc patients with data on smoking history and a 12-24 months follow-up visit were included. Associations of severity and progression of organ involvement with smoking history and the comprehensive smoking index (CSI) were assessed using multivariable regression analyses...
May 21, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29781584/erythema-ab-igne
#19
Isabelle Marie
A 41 year-old woman was diagnosed as having limited cutaneous systemic sclerosis (SSc) in March 2012. The cutaneous impairment of SSc was characterized by sclerodactyly associated with pitting scars; systemic manifestations of SSc included esophageal involvement, with both absence of peristalsis in the lower two-thirds of the oesophageal body and low pressure in the lower oesophageal sphincter. In 2017, the patient presented with livedo reticularis lesions of her abdomen (Panel A) evolving for one month. The patient denied pruritus, pain, or exposure of abdomen to irritants prior to lesion onset...
May 21, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29781538/relationship-between-autoantibody-associated-with-rheumatoid-arthritis-and-tooth-loss
#20
Yuko Hayashi, George Taylor, Akihiro Yoshihara, Masanori Iwasaki, Stuart A Gansky, Hideo Miyazaki
INTRODUCTION: This study evaluated the relationship between serum Rheumatoid Factor (RF) levels and tooth loss in a community-dwelling elderly Japanese women. It was hypothesised that women with high baseline RF levels would experience greater tooth loss over 10 years than age-matched women with lower baseline serum RF levels. MATERIALS AND METHODS: The study population consisted of 197 women aged 70 years with ≥12 teeth at baseline. One hundred and twenty-four participants completed a 10-year follow-up and were divided into 2 groups according to their baseline serum RF levels as follows: RF negative (<15 U/mL; n = 114) and RF positive (>15 U/mL; n = 10)...
May 21, 2018: Gerodontology
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