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https://www.readbyqxmd.com/read/28915240/improved-reliability-of-serological-tools-for-the-diagnosis-of-west-nile-fever-in-horses-within-europe
#1
Cécile Beck, Steeve Lowenski, Benoit Durand, Céline Bahuon, Stéphan Zientara, Sylvie Lecollinet
West Nile Fever is a zoonotic disease caused by a mosquito-borne flavivirus, WNV. By its clinical sensitivity to the disease, the horse is a useful sentinel of infection. Because of the virus' low-level, short-term viraemia in horses, the primary tools used to diagnose WNV are serological tests. Inter-laboratory proficiency tests (ILPTs) were held in 2010 and 2013 to evaluate WNV serological diagnostic tools suited for the European network of National Reference Laboratories (NRLs) for equine diseases. These ILPTs were designed to evaluate the laboratories' and methods' performances in detecting WNV infection in horses through serology...
September 15, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28895088/prevalence-of-a-history-of-prior-varicella-herpes-zoster-infection-in-multiple-sclerosis
#2
Ali Manouchehrinia, Radu Tanasescu, Huner Kareem, Oltita P Jerca, Fouzia Jabeen, Rachelle Shafei, Judith Breuer, Keith Neal, William Irving, Cris S Constantinescu
Varicella zoster virus (VZV) infection has been implicated in multiple sclerosis (MS), but direct causal involvement has been disputed. Nevertheless, knowledge of VZV exposure is important, given the risk of serious complications of first exposure while undergoing immunosuppressive treatment, in particular with fingolimod. We distributed questionnaires to MS clinic patients, requesting information about history of chickenpox, sibling/household/occupational exposure, history of zoster (shingles), and disease-modifying treatment...
September 11, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/28893674/seroepidemiology-of-leptospirosis-among-febrile-patients-in-a-rapidly-growing-suburban-slum-and-a-flood-vulnerable-rural-district-in-mozambique-2012-2014-implication-for-the-management-of-fever
#3
Policarpo Ribeiro, Nilesh Bhatt, Sádia Ali, Vanessa Monteiro, Edmilson da Silva, Ilana Teruszkin Balassiano, Carolina Aquino, Nilsa de de Deus, Onelia Guiliche, Argentina Felisbela Muianga, Pascoal Jorge Alho, Virginia Lara Evaristo, Ivan Manhiça, Marco Medeiros, Eduardo Samo Gudo
OBJECTIVE: Leptospirosis, is one of most widespread zoonosis in the world and is caused by spirochetes of the genus Leptospira. In Mozambique, the disease is heavily ignored and its epidemiology is unknown. The objective of this study was to investigate occurrence of leptospirosis in febrile patients. METHODS: A cross-sectional study was conducted among febrile patients between June 2012 and September 2015. A total of 373 paired samples were drawn from febrile patients, of whom 208 were from Caia District Hospital (rural setting) in Sofala province and 165 were from Polana Caniço General Hospital (suburban setting) in Maputo city...
September 8, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28892562/triggering-immunological-memory-against-the-tapeworm-hymenolepis-diminuta-to-protect-against-colitis
#4
Arthur Wang, Toshio Arai, Alec Campbell, Jose Luis Reyes, Fernando Lopes, Derek M McKay
Infection with parasitic helminths can ameliorate the severity of concomitant inflammatory disease. AIM: To use the tapeworm, Hymenolepis diminuta, to extend this concept by assessing if triggering a memory response against the worm inhibits dinitrobenzene sulphonic acid (DNBS)-induced colitis in Balb/c mice. METHODS & RESULTS: Initial studies revealed that oral infection with 1, 3 or 5 H. diminuta cysticercoids 8 days before intra-rectal administration of DNBS (3 mg) resulted in less severe inflammation and that infected mice displayed an increased propensity for T helper-2 immunity...
September 11, 2017: Parasite Immunology
https://www.readbyqxmd.com/read/28889209/micro-bead-injection-spectroscopy-for-label-free-automated-determination-of-immunoglobulin-g-in-human-serum
#5
Inês I Ramos, Luís M Magalhães, Luisa Barreiros, Salette Reis, José L F C Lima, Marcela A Segundo
Immunoglobulin G (IgG) represents the major fraction of antibodies in healthy adult human serum, and deviations from physiological levels are a generic marker of disease corresponding to different pathologies. Therefore, screening methods for IgG evaluation are a valuable aid to diagnostics. The present work proposes a rapid, automatic, and miniaturized method based on UV-vis micro-bead injection spectroscopy (μ-BIS) for the real-time determination of human serum IgG with label-free detection. Relying on attachment of IgG in rec-protein G immobilized in Sepharose 4B, a bioaffinity column is automatically assembled, where IgG is selectively retained and determined by on-column optical density measurement...
September 9, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28883692/fluctuation-of-zonulin-levels-in-blood-vs-stability-of-antibodies
#6
Aristo Vojdani, Elroy Vojdani, Datis Kharrazian
AIM: To evaluate the measurement of zonulin level and antibodies of zonulin and other tight junction proteins in the blood of controls and celiac disease patients. METHODS: This study was conducted to assess the variability or stability of zonulin levels vs IgA and IgG antibodies against zonulin in blood samples from 18 controls at 0, 6, 24 and 30 h after blood draw. We also measured zonulin level as well as zonulin, occludin, vinculin, aquaporin 4 and glial fibrillary acidic protein antibodies in the sera of 30 patients with celiac disease and 30 controls using enzyme-linked immunosorbent assay methodology...
August 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28881885/igg4-related-disease-involving-the-esophagus-a-clinicopathological-study
#7
I Obiorah, A Hussain, C Palese, N Azumi, S Benjamin, M Ozdemirli
Immunoglobulin G4 (IgG4)-related disease is a recently coined systemic disease characterized by specific histopathologic findings of an intense lymphoplasmacytic infiltrate, storiform fibrosis, and obliterative phlebitis in the presence of predominant IgG4-positive plasma cells. Although IgG4-related disease has been described in many organs, involvement of the esophagus is very rare. In this study, we describe the clinicopathologic characteristics of eight patients with IgG4-related esophagitis. We evaluated chronic esophagitis specimens with lymphoplasmacytic infiltrate obtained over the past 6 years (from January 2011 to February 2017) using a chart review, pathologic examination, and IgG4 immunohistochemical staining...
December 1, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/28878778/multivariate-analysis-as-a-support-for-diagnostic-flowcharts-in-allergic-bronchopulmonary-aspergillosis-a-proof-of-concept-study
#8
Joana Vitte, Stéphane Ranque, Ania Carsin, Carine Gomez, Thomas Romain, Carole Cassagne, Marion Gouitaa, Mélisande Baravalle-Einaudi, Nathalie Stremler-Le Bel, Martine Reynaud-Gaubert, Jean-Christophe Dubus, Jean-Louis Mège, Jean Gaudart
Molecular-based allergy diagnosis yields multiple biomarker datasets. The classical diagnostic score for allergic bronchopulmonary aspergillosis (ABPA), a severe disease usually occurring in asthmatic patients and people with cystic fibrosis, comprises succinct immunological criteria formulated in 1977: total IgE, anti-Aspergillus fumigatus (Af) IgE, anti-Af "precipitins," and anti-Af IgG. Progress achieved over the last four decades led to multiple IgE and IgG(4) Af biomarkers available with quantitative, standardized, molecular-level reports...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28877928/anthrax-vaccine-precipitated-induces-edema-toxin-neutralizing-edema-factor-specific-antibodies-in-human-recipients
#9
Eric K Dumas, Timothy Gross, Jason Larabee, Lance Pate, Hannah Cuthbertson, Sue Charlton, Bassam Hallis, Renata J M Engler, Limone C Collins, Christina E Spooner, Hua Chen, Jimmy Ballard, Judith A James, A Darise Farris
Edema Toxin (ET), composed of Edema Factor (EF) and Protective Antigen (PA), is a virulence factor of Bacillus anthracis that alters host immune cell function and contributes to anthrax disease. Anthrax Vaccine Precipitated (AVP) contains low but detectable EF and can elicit EF-specific antibodies in human recipients of AVP. Active and passive vaccination of mice with EF can contribute to protection from challenge with Bacillus anthracis spores or ET. This study compared humoral responses to ET in recipients of AVP (n=33) versus Anthrax Vaccine Adsorbed (AVA; n=66) matched for number of vaccinations and time post-vaccination and furthermore determined whether EF antibodies elicited by AVP contribute to ET neutralization...
September 6, 2017: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/28875465/measles-rubella-and-varicella-igg-seroprevalence-in-a-large-refugee-cohort-in-germany-in-2015-a-cross-sectional-study
#10
Alexandra Jablonka, Christine Happle, Martin Wetzke, Christian Dopfer, Sonja Merkesdal, Reinhold E Schmidt, Georg M N Behrens, Philipp Solbach
INTRODUCTION: The current extent of migration to the European continent is associated with exceptional humanitarian challenges. In 2015, Western Europe faced an enormous immigration of refugees with largely unknown protection status against communicable diseases. To adapt vaccination strategies, we aimed at assessing seroprevalences against three of the most relevant vaccine preventable diseases (VPD) in a large representative cohort. METHODS: IgG seroprevalences for rubella, varicella (n = 554) and measles (n = 552) were analyzed in inhabitants of a Northern German refugee camp in the summer of 2015...
September 5, 2017: Infectious Diseases and Therapy
https://www.readbyqxmd.com/read/28871936/xanthoma-like-skin-changes-in-an-elderly-woman-with-a-normal-lipid-profile
#11
Piotr Nockowski, Zdzisław Woźniak, Adam Reich, Joanna Maj
Dear Editor, An 83-year-old woman developed yellow-brownish infiltrates, nodules, and tumors mimicking xanthomas, mostly involving the periorbital and chest area within three months (Figure 1). She had no abnormalities in serum cholesterol or triglycerides levels. A detailed laboratory analysis revealed the presence of mild monoclonal gammopathy with a presence of immunoglobulin G (IgG) kappa light chains; however, according to hematologist consultation, it did not require medical intervention. Imaging assessment and ultrasound examination did not show any specific involvement of internal organs...
July 2017: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/28869325/epstein-barr-virus-infection-in-children-with-renal-transplantation-a-single-center-experience
#12
Jihye You, Mijin Kim, Jina Lee, Duck Jong Han, Young Seo Park, Joo Hoon Lee
AIM: This study aimed to investigate the incidence, timing, manifestations, managements, and outcomes of Epstein-Barr virus (EBV) infection in pediatric renal transplant recipients in Korea. METHODS: We retrospectively evaluated 70 patients aged <18 years who had undergone renal transplantation between January 1990 and November 2014 at a single center in Korea. EBV infection was diagnosed via serological test or real-time quantitative polymerase chain reaction (PCR)...
September 4, 2017: Nephrology
https://www.readbyqxmd.com/read/28851393/pattern-ii-and-pattern-iii-ms-are-entities-distinct-from-pattern-i-ms-evidence-from-cerebrospinal-fluid-analysis
#13
S Jarius, F B König, I Metz, K Ruprecht, F Paul, W Brück, B Wildemann
BACKGROUND: The diagnosis of multiple sclerosis (MS) is currently based solely on clinical and magnetic resonance imaging features. However, histopathological studies have revealed four different patterns of lesion pathology in patients diagnosed with MS, suggesting that MS may be a pathologically heterogeneous syndrome rather than a single disease entity. OBJECTIVE: The aim of this study was to investigate whether patients with pattern I MS differ from patients with pattern II or III MS with regard to cerebrospinal fluid (CSF) findings, especially with reference to intrathecal IgG synthesis, which is found in most patients with MS but is frequently missing in MS mimics such as aquaporin-4-IgG-positive neuromyelitis optica spectrum disorders and myelin oligodendrocyte glycoprotein-IgG-positive encephalomyelitis...
August 29, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28846886/immunomodulatory-effects-induced-by-intramuscular-administration-of-autologous-total-immunoglobulin-g-in-patients-with-atopic-dermatitis
#14
Su-Mi Cho, Myoung-Eun Kim, Byul Kwon, Dong-Ho Nahm
BACKGROUND: Polyvalent human immunoglobulin G (IgG) preparations produced from the plasma pools of healthy blood donors have been used for the treatment of various autoimmune diseases and allergic diseases because of their anti-inflammatory and immunomodulatory effects. We hypothesized that intramuscular administration of autologous total IgG would induce immunomodulatory effects in patients with allergic diseases, based on the clinical efficacy of autologous blood therapy in patients with atopic dermatitis (AD)...
August 25, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28845389/ebv-driven-natural-killer-cell-disease-of-the-central-nervous-system-presenting-as-subacute-cognitive-decline
#15
Francesca M Brett, Richard Flavin, Daphne Chen, Teresa Loftus, Seamus Looby, Allan McCarthy, Cillian de Gascun, Elaine S Jaffe, Nurul Nor, Mohsen Javadpour, Dominick McCabe
Brain biopsy in patients presenting with subacute encephalopathyis never straightforward and only undertaken when a 'treatable condition' is a realistic possibility. This 63 year old right handed, immunocompetent Caucasian woman presented with an 8 month history of rapidly progressive right-sided hearing impairment, a 4 month history of intermittent headaches, tinnitus, 'dizziness', dysphagia, nausea and vomiting, with the subsequent evolution of progressive gait ataxia and a subacute global encephalopathy...
November 2017: Human Pathology (New York)
https://www.readbyqxmd.com/read/28842786/neutropenia-in-patients-with-common-variable-immunodeficiency-a-rare-event-associated-with-severe-outcome
#16
Aurélien Guffroy, Rachel Mourot-Cottet, Laurence Gérard, Vincent Gies, Chantal Lagresle, Aurore Pouliet, Patrick Nitschké, Sylvain Hanein, Boris Bienvenu, Valérie Chanet, Jean Donadieu, Martine Gardembas, Marina Karmochkine, Raphaele Nove-Josserand, Thierry Martin, Vincent Poindron, Pauline Soulas-Sprauel, Fréderic Rieux-Laucat, Claire Fieschi, Eric Oksenhendler, Isabelle André-Schmutz, Anne-Sophie Korganow
BACKGROUND: Common variable immunodeficiency (CVID) is characterized by infections and hypogammaglobulinemia. Neutropenia is rare during CVID. METHODS: The French DEFI study enrolled patients with primary hypogammaglobulinemia. Patients with CVID and neutropenia were retrospectively analyzed. RESULTS: Among 473 patients with CVID, 16 patients displayed neutropenia (lowest count [0-1400]*10(6)/L). Sex ratio (M/F) was 10/6. Five patients died during the follow-up (11 years) with an increased percentage of deaths compared to the whole DEFI group (31...
August 26, 2017: Journal of Clinical Immunology
https://www.readbyqxmd.com/read/28840314/what-proportion-of-aqp4-igg-negative-nmo-spectrum-disorder-patients-are-mog-igg-positive-a-cross-sectional-study-of-132-patients
#17
Shahd H M Hamid, Daniel Whittam, Kerry Mutch, Samantha Linaker, Tom Solomon, Kumar Das, Maneesh Bhojak, Anu Jacob
Antibodies to myelin oligodendrocyte glycoprotein (MOG-IgG) have been described in patients with neuromyelitis optica spectrum disorders (NMOSD) without aquaporin-4 antibodies (AQP4-IgG). We aimed to identify the proportion of AQP4-IgG-negative NMOSD patients who are seropositive for MOG-IgG. In a cross sectional study, we reviewed all patients seen in the National NMO clinic over the last 4 years (after the availability of MOG-IgG testing), including clinical information, MRI, and antibody tests. 261 unique patients were identified...
August 24, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28839442/gut-barrier-failure-biomarkers-are-associated-with-poor-disease-outcome-in-patients-with-primary-sclerosing-cholangitis
#18
Tamas Tornai, Eszter Palyu, Zsuzsanna Vitalis, Istvan Tornai, David Tornai, Peter Antal-Szalmas, Gary L Norman, Zakera Shums, Gabor Veres, Antal Dezsofi, Gabriella Par, Alajos Par, Peter Orosz, Ferenc Szalay, Peter Laszlo Lakatos, Maria Papp
AIM: To assess the prevalence of a panel of serologic markers that reflect gut barrier dysfunction in a mixed cohort of pediatric and adult primary sclerosing cholangitis (PSC) patients. METHODS: Sera of 67 PSC patients [median age (range): 32 (5-79) years, concomitant IBD: 67% and cirrhosis: 20%] were assayed for the presence of antibodies against to F-actin (AAA IgA/IgG) and gliadin (AGA IgA/IgG)] and for serum level of intestinal fatty acid-binding protein (I-FABP) by ELISA...
August 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28837559/high-anti-human-cytomegalovirus-antibody-levels-are-associated-with-the-progression-of-essential-hypertension-and-target-organ-damage-in-han-chinese-population
#19
Zhen Li, Yan Tang, Na Tang, Qian Feng, Hua Zhong, Yong-Min Liu, La-Mei Wang, Fang He
Human cytomegalovirus (CMV) infection is associated with hypertension and has been linked with the pathogenesis of increased arterial blood pressure (BP). Currently, whether CMV infection is associated with the progression of hypertension and hypertensive target organ damage (TOD) remains to be identified. We aimed to examine the relationship between CMV infection and the progression of hypertension and hypertensive TOD, which could provide clues on the possible mediating mechanisms, in the Han Chinese population...
2017: PloS One
https://www.readbyqxmd.com/read/28834649/hepatitis-e-virus-as-a-cause-of-acute-hepatitis-acquired-in-switzerland
#20
Montserrat Fraga, Christopher Doerig, Hervé Moulin, Florian Bihl, Felix Brunner, Beat Müllhaupt, Paolo Ripellino, David Semela, Felix Stickel, Benedetta Terziroli Beretta-Piccoli, Vincent Aubert, Amalio Telenti, Gilbert Greub, Roland Sahli, Darius Moradpour
BACKGROUND: Autochthonous hepatitis E is increasingly recognized as zoonotic infection in western countries. Serologic assays have varying sensitivity and specificity. METHODS: We implemented molecular testing to identify and characterize acute hepatitis E acquired in Switzerland. RESULTS: Ninety-three cases of mostly symptomatic acute hepatitis E acquired in Switzerland were documented by PCR between November 2011 and December 2016. Median HEV RNA was 7...
August 23, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
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