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https://www.readbyqxmd.com/read/28738401/serum-vitamins-and-minerals-at-diagnosis-and-follow-up-in-children-with-celiac-disease
#1
Vini Deora, Nicole Aylward, AbdulRazaq Sokoro, Wael El-Matary
OBJECTIVES: Children with celiac disease (CD) may experience deficiencies of several micronutrients. The objectives of the present study were to determine the prevalence of micronutrient deficiencies in children with CD at diagnosis, 6 months, and 18 months after the start of a gluten-free diet (GFD), and examine any correlation between micronutrient deficiencies, serum tissue transglutaminase (TtG) immunoglobulin A (IgA) antibody titers, and the degree of mucosal damage at diagnosis...
August 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28737427/the-effect-of-different-dietary-levels-of-dl-methionine-and-dl-methionine-hydroxy-analogue-on-the-antioxidant-and-immune-status-of-young-turkeys
#2
Zenon Zduńczyk, Jan Jankowski, Magdalena Kubińska, Katarzyna Ognik, Anna Czech, Jerzy Juśkiewicz
The hypothesis postulating that the antioxidant and immunological effects of dietary methionine (Met) in young turkeys (1-8 weeks of age) can be differentiated by level and source of Met was investigated in this study. A total of 544 female Hybrid Converter turkeys were divided into four groups and fed diets in which Met content was tailored through supplementation with dl-methionine (dl-Met) or dl-methionine hydroxy analogue (MHA) to levels recommended by NRC (1994) (Groups dl-MetL and MHAL) and exceeding them by 50% (Groups dl-MetH and MHAH)...
July 24, 2017: Archives of Animal Nutrition
https://www.readbyqxmd.com/read/28737147/brucella-causing-liver-abscess-in-a-child-with-selective-iga-deficiency
#3
Devdeep Mukherjee, Priyankar Pal, Ritabrata Kundu
BACKGROUND: Brucella has been known to cause pyrexia of unknown origin. CASE CHARACTERISTICS: 9-year-old boy with fever and abdominal pain; multiple abscesses within the liver on ultrasonography. OBSERVATIONS: IgM Antibodies against Brucella were raised in his serum sample, and Brucella serum agglutination test was positive. Immunological work-up suggested selective IgA deficiency. Reduction in size following treatment with trimethoprim-sulphamethoxazole, amikacin and doxycycline...
July 15, 2017: Indian Pediatrics
https://www.readbyqxmd.com/read/28736835/peptide-mimetics-of-immunoglobulin-a-iga-and-fc%C3%AE-ri-block-iga-induced-human-neutrophil-activation-and-migration
#4
Marieke H Heineke, Lydia P E van der Steen, Rianne M Korthouwer, J Joris Hage, Johannes P M Langedijk, Joris J Benschop, Jantine E Bakema, Jerry W Slootstra, Marjolein van Egmond
The cross-linking of the IgA Fc receptor (FcαRI) by IgA induces release of the chemoattractant LTB4, thereby recruiting neutrophils in a positive feedback loop. IgA autoantibodies of patients with autoimmune blistering skin diseases therefore induce massive recruitment of neutrophils, resulting in severe tissue damage. To interfere with neutrophil mobilization and reduce disease morbidity, we developed a panel of specific peptides mimicking either IgA or FcαRI sequences. CLIPS technology was used to stabilize three-dimensional structures and to increase peptides' half-life...
July 24, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28736435/extracellular-vesicles-in-renal-disease
#5
REVIEW
Diana Karpman, Anne-Lie Ståhl, Ida Arvidsson
Extracellular vesicles, such as exosomes and microvesicles, are host cell-derived packages of information that allow cell-cell communication and enable cells to rid themselves of unwanted substances. The release and uptake of extracellular vesicles has important physiological functions and may also contribute to the development and propagation of inflammatory, vascular, malignant, infectious and neurodegenerative diseases. This Review describes the different types of extracellular vesicles, how they are detected and the mechanisms by which they communicate with cells and transfer information...
July 24, 2017: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/28735808/autoimmunity-and-its-association-with-regulatory-t-cells-and-b-cell-subsets-in-patients-with-common-variable-immunodeficiency
#6
G Azizi, H Abolhassani, F Kiaee, N Tavakolinia, H Rafiemanesh, R Yazdani, S A Mahdaviani, S Mohammadikhajehdehi, M Tavakol, V Ziaee, B Negahdari, J Mohammadi, A Mirshafiey, A Aghamohammadi
BACKGROUND: Common variable immunodeficiency (CVID) is one of the most prevalent symptomatic primary immunodeficiencies (PIDs), which manifests a wide clinical variability such as autoimmunity, as well as T cell and B cell abnormalities. METHODS: A total of 72 patients with CVID were enrolled in this study. Patients were evaluated for clinical manifestations and classified according to the presence or absence of autoimmune disease. We measured regulatory T cells (Tregs) and B-cell subsets using flow cytometry, as well as specific antibody response (SAR) to pneumococcal vaccine, autoantibodies and anti-IgA in patients...
July 20, 2017: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/28734952/potential-predictive-role-of-lipid-peroxidation-markers-for-type-2-diabetes-in-the-tunisian-population
#7
Houda Bouhajja, Faten Hadj Kacem, Rania Abdelhedi, Marwa Ncir, Jordan D Dimitrov, Rim Marrakchi, Kamel Jamoussi, Ahmed Rebai, Abdelfattah El Feki, Mohamed Abid, Hammadi Ayadi, Srini V Kaveri, Mouna Mnif-Feki, Noura Bougacha-Elleuch
OBJECTIVES: We evaluated the potential clinical relevance of malondialdehyde (MDA) and autoantibodies to copper oxidized low-density lipoprotein (CuOx-LDL) in type 2 diabetes occurrence. METHODS: This cross-sectional study enrolled 69 normoglycemic subjects, 18 prediabetic patients and 108 type 2 diabetes patients. MDA concentration was assessed spectrophotometrically. Plasma IgG, IgA and IgM levels to CuOx-LDL were determined by ELISA. RESULTS: Plasma MDA levels were considerably higher in obese, prediabetic and type 2 diabetes subjects compared to controls...
July 19, 2017: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/28733891/consequences-of-bisphenol-a-perinatal-exposure-on-immune-responses-and-gut-barrier-function-in-mice
#8
Yann Malaisé, Sandrine Ménard, Christel Cartier, Corinne Lencina, Caroline Sommer, Eric Gaultier, Eric Houdeau, Laurence Guzylack-Piriou
The potent immunomodulatory effect of the endocrine disruptor bisphenol A during development and consequences during life span are of increasing concern. Particular interests have been raised from animal studies regarding the risk of developing food intolerance and infection. We aimed to identify immune disorders in mice triggered by perinatal exposure to bisphenol A. Gravid mice were orally exposed to bisphenol (50 μg/kg body weight/day) from day 15 of pregnancy until weaning. Gut barrier function, local and systemic immunity were assessed in adult female offspring...
July 21, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28733214/strategies-to-improve-the-efficiency-of-celiac-disease-diagnosis-in-the-laboratory
#9
Delia Almeida González, Laura García de Armas, Itahisa Marcelino Rodríguez, Ana Arencibia Almeida, Miriam García García, Fadoua Gannar, Antonio Cabrera de León
The demand for testing to detect celiac disease (CD) autoantibodies has increased, together with the cost per case diagnosed, resulting in the adoption of measures to restrict laboratory testing. We designed this study to determine whether opportunistic screening to detect CD-associated autoantibodies had advantages compared to efforts to restrict testing, and to identify the most cost-effective diagnostic strategy. We compared a group of 1678 patients in which autoantibody testing was restricted to cases in which the test referral was considered appropriate (G1) to a group of 2140 patients in which test referrals were not reviewed or restricted (G2)...
July 18, 2017: Journal of Immunological Methods
https://www.readbyqxmd.com/read/28732781/immunoglobulin-and-b-cell-disturbances-in-patients-with-chronic-idiopathic-neutropenia
#10
Irene Mavroudi, Aristides G Eliopoulos, Charalampos Pontikoglou, Katerina Pyrovolaki, Athina Damianaki, Helen Koutala, Maria I Zervou, Maria Ximeri, Semeli Mastrodemou, Peggy Kanellou, George N Goulielmos, Helen A Papadaki
Chronic idiopathic neutropenia (CIN) is a granulocytic disorder associated with presence of activated, myelosuppressive T-lymphocytes. In the present study we have evaluated constituents of humoral immunity in CIN patients (n=48) compared to healthy controls (n=52). CIN patients displayed lower serum IgG levels due to a reduction in IgG1, IgG3, IgG4 but not IgG2, lower IgA and increased IgM levels compared to controls. The proportion of CD19(+) cells did not differ between patients and controls; however the proportion of the naïve IgD(+)/CD27(-) B-cells was increased and the proportion of class-switched memory IgD(-)/CD27(+) B-cells was decreased in the patients...
July 18, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28731865/-joining-the-spots-in-adults-and-young-tots-a-clinicopathological-study-of-henoch-sch%C3%A3-nlein-purpura-iga-vasculitis
#11
Priyanka P Kedia, Rajalakshmi Tirumalae, Divya Puttegowda, Meryl Antony
INTRODUCTION: Henoch-Schönlein Purpura (HSP; IgA vasculitis), the most common vasculitis of childhood, has a wide spectrum of clinical manifestations ranging from palpable purpura with abdominal pain and arthritis to the more morbid renal involvement. AIMS AND OBJECTIVES: To study and correlate the clinical presentation, laboratory values, skin and renal histopathology and immunofluoroscence findings in HSP. MATERIAL AND METHODS: A total of 44 cases of HSP from March 2011 to February 2014 were studied for the above features along with their clinical outcomes...
August 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28731254/prognostic-factors-of-patients-with-linear-iga-bullous-dermatosis
#12
N Ishii
No abstract text is available yet for this article.
July 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28730617/methotrexate-for-severe-childhood-atopic-dermatitis-clinical-experience-in-a-tertiary-center
#13
Veronika Dvorakova, Grainne M O'Regan, Alan D Irvine
BACKGROUND/OBJECTIVES: Atopic dermatitis (AD) affects up to 20% of children. Although the majority of patients are adequately controlled using emollients, topical corticosteroids, topical calcineurin inhibitors, or phototherapy, children with moderate to severe AD may require systemic treatment for control. The objective of the current study was to evaluate the efficacy and safety of methotrexate in children with severe AD attending a tertiary referral center. METHODS: A retrospective chart review was undertaken of all children who received methotrexate for severe AD at our tertiary referral center from November 2010 to August 2015...
July 21, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28730517/selective-igm-deficiency-clinical-and-laboratory-features-of-17-patients-and-a-review-of-the-literature
#14
Zita Chovancova, Pavlina Kralickova, Alena Pejchalova, Marketa Bloomfield, Jana Nechvatalova, Marcela Vlkova, Jiri Litzman
PURPOSE: Primary selective IgM deficiency (sIgMD) is a primary immunodeficiency with unclear pathogenesis and a low number of published cases. METHODS: We reviewed clinical and laboratory manifestations of 17 sIgMD patients. Serum IgM, IgG, and its subclasses, IgA, IgE, antibodies against tetanus toxoid, pneumococcal polysaccharides and Haemophilus influenzae type b, isohemagglutinins, and T and B lymphocyte subsets, expressions of IgM on B cells and B lymphocyte production of IgM were compared with previously reported case reports and a small series of patients, which included 81 subjects in total...
July 21, 2017: Journal of Clinical Immunology
https://www.readbyqxmd.com/read/28730262/crypt-hyperplastic-enteropathy-in-distal-duodenum-in-helicobacter-pylori-infection-report-of-two-cases-without-evidence-of-celiac-disease
#15
Mariana Jinga, Daniel Vasile Balaban, Ileana Peride, Andrei Niculae, Irina Monica DuŢescu, Florina Vasilescu, Markku Mäki, Alina Mihaela Popp
OBJECTIVES: Patients with Helicobacter pylori (HP) infection have been reported to have in addition to duodenitis architectural changes of the duodenal bulb mucosa including villous atrophy and crypt hyperplasia. We here for the first time present two cases of HP-infected adult patients with a crypt hyperplastic enteropathy also in the distal duodenum mimicking celiac disease (CD). METHODS: We evaluated separately the morphology of the anatomical bulb and distal duodenal mucosa using validated quantitative morphometric tools, i...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28729231/cernunnos-deficiency-associated-with-bcg-adenitis-and-autoimmunity-first-case-from-the-national-iranian-registry-and-review-of-the-literature
#16
Reza Yazdani, Hassan Abolhassani, Javad Tafaroji, Gholamreza Azizi, Raif S Geha, Asghar Aghamohammadi
Non-homologous end-joining (NHEJ) is a pathway that repairs double-strand breaks (DSB) in DNA and plays a vital role in V(D)J recombination of immunoglobulin genes. Cernunnos is a DNA repair factor that is involved in nonhomologous end-joining (NHEJ) process. Impairment in Cernunnos leads to a genetic disease characterized by neural disorders, immunodeficiency and increased radiosensitivity. We herein describe a severe combined immunodeficiency (SCID) patient with T- B+ phenotype who had a mutation in Cernunnos gene and manifested recurrent infections, microcephaly and growth retardation with hypogammaglobulinemia...
July 17, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28729230/x-linked-agammaglobulinaemia-outcomes-in-the-modern-era
#17
REVIEW
Ben Shillitoe, Andrew Gennery
Colonel Ogden Bruton reported X-Linked Agammaglobulinaemia in 1952 and treated the child with replacement immunoglobulin therapy. Over 60years later, the treatment for XLA has largely remained unchanged. Replacement immunoglobulin lacks the isotypes IgA and IgM, leading to concerns that patients continue to experience recurrent sinopulmonary tract infections and be at increased risk of bronchiectasis. There is potential hope of earlier diagnosis with newborn screening, and a potential cure for these patients, in the form of gene therapy...
July 17, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28727817/immunogenicity-of-a-novel-clade-b-hiv-1-vaccine-combination-results-of-phase-1-randomized-placebo-controlled-trial-of-an-hiv-1-gm-csf-expressing-dna-prime-with-a-modified-vaccinia-ankara-vaccine-boost-in-healthy-hiv-1-uninfected-adults
#18
Susan P Buchbinder, Nicole A Grunenberg, Brittany J Sanchez, Kelly E Seaton, Guido Ferrari, M Anthony Moody, Nicole Frahm, David C Montefiori, Christine M Hay, Paul A Goepfert, Lindsey R Baden, Harriet L Robinson, Xuesong Yu, Peter B Gilbert, M Juliana McElrath, Yunda Huang, Georgia D Tomaras
BACKGROUND: A phase 1 trial of a clade B HIV vaccine in HIV-uninfected adults evaluated the safety and immunogenicity of a DNA prime co-expressing GM-CSF (Dg) followed by different numbers and intervals of modified vaccinia Ankara Boosts (M). Both vaccines produce virus-like particles presenting membrane-bound Env. METHODS: Four US sites randomized 48 participants to receiving 1/10th the DNA dose as DgDgMMM given at 0, 2, 4, 6 and 8 months, or full dose DgDgM_M or DgDgMM_M regimens, given at 0, 2, 4, and 8 months, and 0, 2, 4, 6, and 10 months, respectively...
2017: PloS One
https://www.readbyqxmd.com/read/28727732/incidence-of-thromboembolic-events-in-asymptomatic-carriers-of-iga-anti-%C3%A3-2-glycoprotein-i-antibodies
#19
Carlos Tortosa, Oscar Cabrera-Marante, Manuel Serrano, José A Martínez-Flores, Dolores Pérez, David Lora, Luis Morillas, Estela Paz-Artal, José M Morales, Daniel Pleguezuelo, Antonio Serrano
BACKGROUND: The antiphospholipid syndrome (APS) is defined by simultaneous presence of vascular clinical events and antiphospholipid antibodies (aPL). The aPL considered as diagnostics are lupus anticoagulant and antibodies anticardiolipin (aCL) and anti-ß2 glycoprotein-I (aB2GP1). During recent years, IgA aB2GP1 antibodies have been associated with thrombotic events both in patients positive, and mainly negative for other aPL, however its value as a pro-thrombotic risk-factor in asymptomatic patients has not been well defined...
2017: PloS One
https://www.readbyqxmd.com/read/28727033/the-effect-of-age-and-carbohydrate-and-protein-sources-on-digestibility-fecal-microbiota-fermentation-products-fecal-iga-and-immunological-blood-parameters-in-dogs
#20
A P J Maria, L Ayane, T C Putarov, B A Loureiro, B P Neto, M F Casagrande, M O S Gomes, M B A Glória, A C Carciofi
The present study compared the effects of diets formulated with fibers of different fermentability and protein sources of animal or vegetable origins on old and adult dogs. The experiment was organized in a 3 (diets) × 2 (ages) factorial arrangement, totaling 6 treatments. Thirty-six Beagle dogs were used (18 old dogs [10.2 ± 1.0 yr] and 18 young adult dogs [2.6 ± 0.9 yr]), with 6 dogs per treatment. Three diets with similar compositions were used: a nonfermentable insoluble fiber source (sugarcane fiber) and chicken byproduct meal (nonfermentable fiber [NFF] diet), a fermentable fiber source (beet pulp) and chicken byproduct meal (fermentable fiber [FF] diet), and soybean meal as a protein and fiber source (soybean meal [SM] diet)...
June 2017: Journal of Animal Science
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