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https://www.readbyqxmd.com/read/28346868/circulation-of-zoonotic-arboviruses-in-equine-populations-of-mallorca-island-spain
#1
Jessica Vanhomwegen, Cécile Beck, Philippe Desprès, Amanda Figuerola, Ramón García, Sylvie Lecollinet, Marc López-Roig, Jean-Claude Manuguerra, Jordi Serra-Cobo
The presence of major arbovirus vector species, climate change that promotes the expansion and increase of their populations, and potential animal reservoirs mean that vector-borne diseases represent a significant health risk for Mallorca's inhabitants. Microbiological monitoring of circulating arboviruses, particularly flaviviruses causing encephalitis, was initiated using domestic horses from localities near wetlands as "sentinel" hosts. A total of 291 blood samples were taken from 172 horses between 2011 and 2012, using paired samples to highlight seroconversion events...
March 27, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28346662/intravenous-immunoglobulin-contributes-to-control-anti-melanoma-differentiation-associated-protein-5-mda5-antibody-associated-dermatomyositis-with-palmar-violaceous-macules-papules
#2
H Koguchi-Yoshioka, N Okiyama, K Iwamoto, Y Matsumura, T Ogawa, S Inoue, R Watanabe, M Fujimot
Autoantibodies to melanoma differentiation-associated protein 5 (MDA5) are associated with a subset of dermatomyositis (DM) patients who have rapidly progressive interstitial lung disease (RP-ILD) with poor prognosis. Intensive immunosuppressive therapy is initiated before irreversible lung damage can occur; however, there are few lines of evidence for the treatment of RP-ILD. Here, we report 3 cases of anti-MDA5 antibody-associated DM with RP-ILD in which the patients were treated with combined modality therapy including high-dose prednisolone, tacrolimus, intravenous cyclophosphamide, and immunoglobulins (IVIG)...
March 27, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28346229/clinical-efficacy-of-gene-modified-stem-cells-in-adenosine-deaminase-deficient-immunodeficiency
#3
Kit L Shaw, Elizabeth Garabedian, Suparna Mishra, Provaboti Barman, Alejandra Davila, Denise Carbonaro, Sally Shupien, Christopher Silvin, Sabine Geiger, Barbara Nowicki, E Monika Smogorzewska, Berkley Brown, Xiaoyan Wang, Satiro de Oliveira, Yeong Choi, Alan Ikeda, Dayna Terrazas, Pei-Yu Fu, Allen Yu, Beatriz Campo Fernandez, Aaron R Cooper, Barbara Engel, Greg Podsakoff, Arumugam Balamurugan, Stacie Anderson, Linda Muul, G Jayashree Jagadeesh, Neena Kapoor, John Tse, Theodore B Moore, Ken Purdy, Radha Rishi, Kathey Mohan, Suzanne Skoda-Smith, David Buchbinder, Roshini S Abraham, Andrew Scharenberg, Otto O Yang, Kenneth Cornetta, David Gjertson, Michael Hershfield, Rob Sokolic, Fabio Candotti, Donald B Kohn
BACKGROUND: Autologous hematopoietic stem cell transplantation (HSCT) of gene-modified cells is an alternative to enzyme replacement therapy (ERT) and allogeneic HSCT that has shown clinical benefit for adenosine deaminase-deficient (ADA-deficient) SCID when combined with reduced intensity conditioning (RIC) and ERT cessation. Clinical safety and therapeutic efficacy were evaluated in a phase II study. METHODS: Ten subjects with confirmed ADA-deficient SCID and no available matched sibling or family donor were enrolled between 2009 and 2012 and received transplantation with autologous hematopoietic CD34+ cells that were modified with the human ADA cDNA (MND-ADA) γ-retroviral vector after conditioning with busulfan (90 mg/m2) and ERT cessation...
March 27, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28346043/structural-abnormalities-in-the-primary-somatosensory-cortex-and-a-normal-behavioral-profile-in-contactin-5-deficient-mice
#4
Kristel T E Kleijer, Denise van Nieuwenhuize, Henk A Spierenburg, Sara Gregorio-Jordan, Martien J H Kas, J Peter H Burbach
Contactin-5 (Cntn5) is an immunoglobulin cell adhesion molecule that is exclusively expressed in the central nervous system. In view of its association with neurodevelopmental disorders, particularly autism spectrum disorder (ASD), this study focused on Cntn5-positive areas in the forebrain and aimed to explore the morphological and behavioral phenotypes of the Cntn5 null mutant (Cntn5(-/-)) mouse in relation to these areas and ASD symptomatology. A newly generated antibody enabled us to elaborately describe the spatial expression pattern of Cntn5 in P7 wild type (Cntn5(+/+)) mice...
March 27, 2017: Cell Adhesion & Migration
https://www.readbyqxmd.com/read/28345718/probing-the-binding-affinity-of-plasma-proteins-adsorbed-on-au-nanoparticles
#5
Xiaoning Zhang, Junting Zhang, Fan Zhang, Shaoning Yu
Nanoparticle (NP) surfaces are modified immediately by the adsorption of proteins when exposed to human blood, leading to the formation of a protein corona. The adsorption of serum proteins is the key process for exploring the bioapplication and biosafety of NPs. In this study, NP-protein binding affinity (Ka) was investigated. Some serum proteins, such as human serum albumin (HSA), trypsin (TRP), hemoglobin (Hb), myoglobin (MB), immunoglobulin G (IgG), carbonic anhydrase (CA), fibrinogen (FIB), chymotrypsin and r-globulin, were used with gold nanoparticles (AuNPs) to address binding affinity according to isothermal titration calorimetry (ITC) combined with dynamic light scattering (DLS) and fluorescence quenching...
March 27, 2017: Nanoscale
https://www.readbyqxmd.com/read/28345437/clinical-profile-dosing-and-quality-of-life-outcomes-in-primary-immune-deficiency-patients-treated-at-home-with-immunoglobulin-g-data-from-the-ideal-patient-registry
#6
Sean Kearns, Loretta Kristofek, William Bolgar, Luqman Seidu, Samantha Kile
BACKGROUND: Patients with primary immune deficiency (PID) often require immunoglobulin G (IgG, commonly referred to as Ig) replacement therapy to prevent infections and associated comorbidities. Ig therapy can be given either through intravenous or subcutaneous routes, and both can be done in the home setting. There is limited information available on the real-world diagnosis, management, and outcomes of this patient population, given the variable disease presentation and treatment options...
April 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28345260/resistance-and-aerobic-training-improve-muscle-strength-and-aerobic-capacity-in-cidp
#7
Lars H Markvardsen, Kristian Overgaard, Karen Heje, Søren H Sindrup, Ingelise Christiansen, John Vissing, Henning Andersen
INTRODUCTION: We investigated the effect of aerobic and resistance exercise in patients with chronic inflammatory demyelinating polyneuropathy (CIDP). METHODS: Eighteen CIDP patients treated with subcutaneous immunoglobulin did 12 weeks of aerobic exercise and 12 weeks of resistance exercise after a run-in period of 12 weeks without exercise. Three times weekly the participants performed aerobic exercise on an ergometer bike or resistance exercise with unilateral training of knee and elbow flexion/extension...
March 27, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28344667/m%C3%A3-ller-cells-and-retinal-axons-can-be-primary-targets-in-experimental-neuromyelitis-optica-spectrum-disorder
#8
REVIEW
Bleranda Zeka, Hans Lassmann, Monika Bradl
Recent work from our laboratory, using different models of experimental neuromyelitis optica spectrum disorder (NMOSD), has led to a number of observations that might be highly relevant for NMOSD patients. For example: (i) in the presence of neuromyelitis optica immunoglobulin G, astrocyte-destructive lesions can be initiated by CD4+ T cells when these cells recognize aquaporin 4 (AQP4), but also when they recognize other antigens of the central nervous system. The only important prerequisite is that the T cells have to be activated within the central nervous system by "their" specific antigen...
January 2017: Clinical & Experimental Neuroimmunology
https://www.readbyqxmd.com/read/28344164/outbreak-of-brainstem-encephalitis-associated-with-enterovirus-a71-in-catalonia-spain-2016-a-clinical-observational-study-in-a-children-s-reference-centre-in-catalonia
#9
Dídac Casas-Alba, Mariona F de Sevilla, Ana Valero-Rello, Claudia Fortuny, Juan-José García-García, Carlos Ortez, Jordi Muchart, Thais Armangué, Iolanda Jordan, Carles Luaces, Irene Barrabeig, Rubén González-Sanz, María Cabrerizo, Carmen Muñoz-Almagro, Cristian Launes
OBJECTIVES: To describe the characteristics of an outbreak of brainstem encephalitis and encephalomyelitis related to enterovirus (EV) infection in Catalonia (Spain), a setting where these manifestations were uncommon. METHODS: Clinical and microbiological data from patients with neurological symptoms associated with EV detection admitted to a reference paediatric hospital between April and June 2016 were analysed. RESULTS: Fifty-seven patients were included...
March 23, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28343935/blood-derived-products-in-pediatrics-new-laboratory-tools-for-optimizing-potency-assignment-and-reducing-side-effects
#10
REVIEW
Jean Amiral, Jerard Seghatchian
Neonates and children can develop rare bleeding disorders due to congenital/acquired coagulation Factor deficiencies, or allo-immune/autoimmune complications, or can undergo surgeries at high haemorrhagic risk. They then need specialized transfusion of blood components/products, or purified blood extracted products or recombinant proteins. Blood-derived therapies conventionally used for management of affected infants with genetic/acquired deficiencies, bleeding problems (coagulation Factor reduced or missing) or thrombotic disorders (reduced or missing anticoagulant proteins) pose some additional risks...
March 15, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28343748/b-cells-expressing-the-iga-receptor-fcrl4-participate-in-the-autoimmune-response-in-patients-with-rheumatoid-arthritis
#11
Khaled Amara, Elizabeth Clay, Lorraine Yeo, Daniel Ramsköld, Julia Spengler, Natalie Sippl, James A Cameron, Lena Israelsson, Philip J Titcombe, Caroline Grönwall, Ilfita Sahbudin, Andrew Filer, Karim Raza, Vivianne Malmström, Dagmar Scheel-Toellner
The clinical efficacy of B cell targeting therapies highlights the pathogenic potential of B cells in inflammatory diseases. Expression of Fc Receptor like 4 (FcRL4) identifies a memory B cell subset, which is enriched in the joints of patients with rheumatoid arthritis (RA) and in mucosa-associated lymphoid tissue. The high level of RANKL production by this B cell subset indicates a unique pathogenic role. In addition, recent work has identified a role for FcRL4 as an IgA receptor, suggesting a potential function in mucosal immunity...
March 24, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28343657/bradycardia-associated-with-prednisolone-in-children-with-severe-kawasaki-disease
#12
Akito Nagakura, Yoshihiko Morikawa, Hiroshi Sakakibara, Masaru Miura
OBJECTIVE: To identify the prevalence of bradycardia associated with use of prednisolone in patients with Kawasaki disease and analyze the association between bradycardia and responsiveness to intravenous immunoglobulin (IVIG). STUDY DESIGN: We performed a retrospective cohort study of 176 patients with severe Kawasaki disease admitted to the Tokyo Metropolitan Children's Medical Center between March 2010 and December 2015. The group treated with IVIG plus prednisolone therapy from February 2012 was compared with the control group who received IVIG monotherapy before this date...
March 23, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28343601/effects-of-rg7652-a-monoclonal-antibody-against-pcsk9-on-ldl-c-ldl-c-subfractions-and-inflammatory-biomarkers-in-patients-at-high-risk-of-or-with-established-coronary-heart-disease-from-the-phase-2-equator-study
#13
Amos Baruch, Sofia Mosesova, John D Davis, Nageshwar Budha, Alexandr Vilimovskij, Robert Kahn, Kun Peng, Kyra J Cowan, Laura Pascasio Harris, Thomas Gelzleichter, Josh Lehrer, John C Davis, Whittemore G Tingley
RG7652 (MPSK3169A), a fully human immunoglobulin G1 (IgG1) monoclonal antibody directed against proprotein convertase subtilisin/kexin type 9 (PCSK9), blocks the interaction between PCSK9 and low-density lipoprotein (LDL) receptor. EQUATOR (ClinicalTrials.govNCT01609140), a randomized, double-blind, and dose-ranging phase 2 study, evaluated RG7652 in patients (1) at high risk for or (2) with coronary heart disease (CHD). The primary end point was change in LDL cholesterol (LDL-C) from baseline to day 169. Patients (n = 248; median age, 64 years; 57% men; 52% with established CHD; 82% on statins) with baseline LDL-C levels of 90 to 250 mg/dl (mean, 126 mg/dl) continuing on standard-of-care therapy were randomized to receive 1 of 5 RG7652 doses or placebo, subcutaneously every 4, 8, or 12 weeks for 24 weeks...
March 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28343239/improved-full-length-killer-cell-immunoglobulin-like-receptor-transcript-discovery-in-mauritian-cynomolgus-macaques
#14
Trent M Prall, Michael E Graham, Julie A Karl, Roger W Wiseman, Adam J Ericsen, Muthuswamy Raveendran, R Alan Harris, Donna M Muzny, Richard A Gibbs, Jeffrey Rogers, David H O'Connor
Killer cell immunoglobulin-like receptors (KIRs) modulate disease progression of pathogens including HIV, malaria, and hepatitis C. Cynomolgus and rhesus macaques are widely used as nonhuman primate models to study human pathogens, and so, considerable effort has been put into characterizing their KIR genetics. However, previous studies have relied on cDNA cloning and Sanger sequencing that lack the throughput of current sequencing platforms. In this study, we present a high throughput, full-length allele discovery method utilizing Pacific Biosciences circular consensus sequencing (CCS)...
March 25, 2017: Immunogenetics
https://www.readbyqxmd.com/read/28343107/phosphorylated-tyrosine-based-pseudobioaffinity-adsorbent-for-the-purification-of-immunoglobulin-g
#15
Gisele Luiza Pavan, Igor Tadeu Lazzarotto Bresolin, Angélica Grespan, Sonia Maria Alves Bueno
The present study evaluated the phosphorylated-tyrosine (P-Tyr) based pseudobioaffinity adsorbent for the purification of human immunoglobulin G (IgG). P-Tyr was selected as a ligand to mimic the natural interactions that occur between the immunoreceptor tyrosine-based activation motif and the IgG. The ligand was coupled to bisoxirane-activated agarose gel and the effect of buffer system, pH, and conductivity was performed to elucidate the nature of IgG-P-Tyr interactions. P-Tyr-agarose was able to purify IgG from human plasma solution in HEPES buffer at pH 7...
March 21, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28342978/a-new-benzenediamine-derivative-modulates-toll-like-receptors-induced-myeloid-dendritic-cells-activation-and-ameliorates-lupus-like-syndrome-in-mrllpr-lpr-mice
#16
Sheng Gao, Yongsheng Gong, Jianjian Ji, Linbo Yuan, Liping Han, Yimin Guo, Xiaofang Fan, Yayi Hou, Chunyan Hua
Modulators of the over-activation of myeloid dendritic cells (mDCs) by Toll-like receptors (TLRs) have an advantage in the treatment of systemic lupus erythematosus (SLE). This study was designed to evaluate the effects of FC-99, a novel benzenediamine derivative, on TLR-induced activation of mDCs, and to assess the efficacy of FC-99 in a murine model of SLE. In vitro, FC-99 inhibited the phenotypic (CD40 and MHC-II) and functional activation (IL-12 and CXCL10) of mDCs induced by TLR ligands. In vivo, MRLlpr/lpr mice displayed renal diseases associated with increased levels of proteinuria and immunoglobulin, which were ameliorated by FC-99...
March 22, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28342316/comparison-of-cytomegalovirus-cmv-specific-neutralization-capacity-of-hyperimmunoglobulin-hig-versus-standard-intravenous-immunoglobulin-ivig-preparations-impact-of-cmv-igg-normalization
#17
Matthias Stefan Schampera, Katrin Schweinzer, Harald Abele, Karl Oliver Kagan, Reinhild Klein, Ingo Rettig, Gerhard Jahn, Klaus Hamprecht
BACKGROUND: Based on a non-randomized study of Nigro et al. (2005) the intravenous administration of hyperimmunoglobulins (HIGs) is applied frequently to women with primary CMV-infection as "off-label use" in Germany. OBJECTIVES: In order to describe their CMV-specific neutralization-capacity in vitro, we analyzed the HIG preparations Cytotect(®), and Cytogam(®) as well as the standard intravenous immunoglobulins (IVIG) Octagam(®), Gamunex(®), Kiovig(®). STUDY DESIGN: We performed short-term cell-free CMV neutralization assays (CFNT) and long-term cell-adapted neutralization-plaque-reduction assays (PRANT)...
March 16, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28342216/case-of-bullous-pemphigoid-coexisting-with-anti-desmoglein-autoantibodies
#18
Duerna Tie, Tokiko Yoshida, Yuko Chinuki, Xia Da, Noriyoshi Ishikawa, Eishin Morita
A 79-year-old Japanese woman had clinical and histopathological features of bullous pemphigoid, while direct immunofluorescence test revealed C3 and immunoglobulin G depositions in the lower cell surfaces of the epidermis in addition to those in the dermoepidermal junction. Chemiluminescent enzyme immunoassays were positive for desmoglein-1 and -3 antibodies in addition to anti-BP180 antibodies. In an immunoblotting study, antibodies against both 180-kDa bullous pemphigoid antigen and 130-kDa pemphigus vulgaris antigen were detected...
March 24, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28341876/consumption-of-green-tea-epigallocatechin-3-gallate-enhances-systemic-immune-response-antioxidative-capacity-and-hpa-axis-functions-in-aged-male-swiss-albino-mice
#19
Rohit Sharma, Anamika Sharma, Amita Kumari, Pankaj Markand Kulurkar, Rajneesh Raj, Ashu Gulati, Yogendra S Padwad
The present investigation assessed the potential of green tea phytochemical epigallocatechin-3-gallate (EGCG) in alleviating age-associated aberrations in immunity, hypothalamus-pituitary-adrenal (HPA) axis and redox homeostasis using 16 months old male Swiss albino mice. Four groups of animals (n = 6 per group) were supplemented with either aqueous EGCG at 25, 50 and 100 mg/kg/animal or vehicle control for 6 weeks. A concurrent analysis of CD4(+) and CD8(+) lymphocytes in splenocytes, differential leucocyte population, T cell differentiation markers in peripheral blood mononuclear cells (PBMCs), neutrophil functions, immunoglobulins profile in intestine, circulatory HPA axis hormonal levels as well as inflammatory and oxidative stress in the liver was performed...
March 24, 2017: Biogerontology
https://www.readbyqxmd.com/read/28341732/novel-recurrent-chromosomal-aberrations-detected-in-clonal-plasma-cells-of-light-chain-amyloidosis-patients-show-potential-adverse-prognostic-effect-first-results-from-a-genome-wide-copy-number-array-analysis
#20
Martin Granzow, Ute Hegenbart, Katrin Hinderhofer, Dirk Hose, Anja Seckinger, Tilmann Bochtler, Kari Hemminki, Hartmut Goldschmidt, Stefan O Schönland, Anna Jauch
Immunoglobulin light chain amyloidosis is a rare plasma cell dyscrasia characterized by deposition of abnormal amyloid fibrils in multiple organs impairing their function. In the largest cohort studied up to now of 118 CD138-purified plasma cell samples from previously untreated immunoglobulin light chain amyloidosis patients, we assessed in parallel copy number alterations using high-density copy number arrays and interphase fluorescence in situ hybridization. We used fluorescence in situ hybridization probes for the IgH translocations t(11;14), t(4;14), and t(14;16) or any other IgH rearrangement as well as numerical aberrations of the chromosome loci 1q21, 8p21, 5p15/5q35, 11q22...
March 24, 2017: Haematologica
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