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Atqah AbdulWahab, Aseel Zeidan, Tony Avades, Prem Chandra, Ashraf Soliman
Asthma is one of the most common chronic disorders among children. Zinc (Zn) is an essential dietary antioxidant and may have a special role in assisting the airways of asthmatic subjects. The primary objective of this study was to measure serum Zn levels among asthmatic school children and to compare this to the serum Zn level in non-asthmatic children. The secondary objective was to investigate the relationship between Zn levels and the degree of asthma control. A cross-sectional study following forty asthmatic children and forty matched non-asthmatic children of both genders was conducted...
March 16, 2018: Children
Javier Molina-Infante, Carolina Gutierrez-Junquera, Edoardo Savarino, Roberto Penagini, Ines Modolell, Ottavia Bartolo, Alicia Prieto-García, Aurelio Mauro, Javier Alcedo, Antonia Perelló, Carlos Guarner-Argente, Noelia Alcaide, Ana M Vegas, Patricia Barros-García, Marianette Murzi-Pulgar, Monica Perona, Javier P Gisbert, Alfredo J Lucendo
OBJECTIVES: Rising trends in eosinophilic esophagitis (EoE) have been repeatedly linked to declining Helicobacter pylori (H. pylori) infection, mostly in retrospective studies. We aimed to prospectively evaluate this inverse association. METHODS: Prospective case-control study conducted in 23 centers. Children and adults naïve to eradication therapy for H. pylori were included. Cases were EoE patients, whereas controls were defined by esophageal symptoms and <5 eos/HPF on esophageal biopsies...
March 15, 2018: American Journal of Gastroenterology
Kenji Nishida, Yuka Gion, Mai Takeuchi, Takehiro Tanaka, Tatsuki R Kataoka, Tadashi Yoshino, Yasuharu Sato
Immunoglobulin G4 (IgG4)-related disease is characterized by elevated serum IgG4 levels and increased numbers of IgG4-positive cells. However, its pathogenesis is not fully understood. We previously suggested that mast cells may play an important role in IgG4-related disease. In this study, we confirmed the characteristics of mast cells in IgG4-related lymphadenopathy by using immunohistochemistry and dual immunofluorescence. We analyzed 23 cases of IgG4-related lymphadenopathy and compared them with 23 cases of non-specific lymphoid hyperplasia...
March 15, 2018: Scientific Reports
R Asero, M Piantanida, V Pravettoni
Background. Follow-up data about the onset of novel food allergies in patients allergic to lipid transfer protein (LTP) are missing. We investigated the occurrence of novel allergies over time in LTP hypersensitive patients. Methods. Sixty-seven LTP-allergic patients recommended to avoid foods responsible for systemic reactions and encouraged to eat other sensitizing foods avoiding the association with known co-factors, were re-evaluated after ≥ 1 year to assess the occurrence of allergy to novel foods. IgE to rPru p 3, rBet v 1, and r Phl p 12 were measured...
February 16, 2018: European Annals of Allergy and Clinical Immunology
Jarkko Mäntylä, Tuuli Thomander, Auli Hakulinen, Kaarina Kukkonen, Kati Palosuo, Helena Voutilainen, Anna Pelkonen, Paula Kauppi
INTRODUCTION: The standard care of severe food allergy in both adults and children means avoidance of allergens. In recent years promising results of oral immunotherapy (OIT) have been reported in children. In adults, information on OIT in severe food allergy is very limited. OBJECTIVE: We aimed to study if OIT is possible in adults. METHODS: We report OIT results in 10 adult patients with milk OIT, nine adult patients with peanut OIT, and four adult patients with egg OIT...
March 15, 2018: Immunity, Inflammation and Disease
S M Hayen, A M Ehlers, C F den Hartog Jager, J Garssen, E F Knol, A C Knulst, W Suer, L E M Willemsen, H G Otten
BACKGROUND: Screening for specific IgE against 2S albumin proteins Ara h 2 and 6 has good positive predictive value in diagnosing peanut allergy. From the third 2S member Ara h 7, three isoforms have been identified. Their allergenicity has not been elucidated. OBJECTIVE: This study investigated the allergenicity of Ara h 7 isoforms compared to Ara h 2 and 6. METHODS: Sensitization of 15 DBPCFC confirmed peanut allergic patients to recombinant Ara h 2...
March 14, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
Linden Disney-Hogg, Alex J Cornish, Amit Sud, Philip J Law, Ben Kinnersley, Daniel I Jacobs, Quinn T Ostrom, Karim Labreche, Jeanette E Eckel-Passow, Georgina N Armstrong, Elizabeth B Claus, Dora Il'yasova, Joellen Schildkraut, Jill S Barnholtz-Sloan, Sara H Olson, Jonine L Bernstein, Rose K Lai, Minouk J Schoemaker, Matthias Simon, Per Hoffmann, Markus M Nöthen, Karl-Heinz Jöckel, Stephen Chanock, Preetha Rajaraman, Christoffer Johansen, Robert B Jenkins, Beatrice S Melin, Margaret R Wrensch, Marc Sanson, Melissa L Bondy, Richard S Houlston
BACKGROUND: An inverse relationship between allergies with glioma risk has been reported in several but not all epidemiological observational studies. We performed an analysis of genetic variants associated with atopy to assess the relationship with glioma risk using Mendelian randomisation (MR), an approach unaffected by biases from temporal variability and reverse causation that might have affected earlier investigations. METHODS: Two-sample MR was undertaken using genome-wide association study data...
March 15, 2018: BMC Medicine
Chunjiang Lv, Yongsheng Zhang, Lili Shen
BACKGROUND: Resveratrol is a natural, nonflavonoid polyphenol, exerting anti-inflammatory activity. It has been reported that resveratrol, together with carboxymethyl-β-glucan, can reduce nasal symptoms in children with allergic rhinitis (AR). In this study, the effect of resveratrol on nasal symptoms in adults with AR was investigated. METHODS: We conducted a placebo-controlled, double-blinded study. One hundred and fifty-one adults (aged 18-60 years) with severe persistent AR were divided into a placebo-treated group (n = 50), a positive control budesonide-treated group (n = 50), and a resveratrol-treated group (n = 51)...
March 14, 2018: International Archives of Allergy and Immunology
Anshu Yang, LingLing Zuo, Youfei Cheng, Zhihua Wu, Xin Li, Ping Tong, Hongbing Chen
In this study, we determined whether solid-state fermentation could degrade major allergens and reduce potential allergenicity of soybean meal (SBM). Solid-state fermentation was realized through a mixture of Lactobacillus casei, yeast, and Bacillus subtilis. High-performance liquid chromatography, size exclusion-high-performance liquid chromatography, and capillary liquid chromatography/tandem mass spectrometry coupled with electrospray ionization were used to examine the total amino acids and molecular weight distribution of the fermented soybean meal (FSBM)...
March 14, 2018: Food & Function
Giovanni Matera, Maria Teresa Loria, Cinzia Peronace, Tatiana Catanzariti, Pio Settembre, Aida Giancotti, Angelo G Lamberti, Giorgio S Barreca, Luisa Galati, Gessica Dodaro, Maria Mazzitelli, Alessio Strazzulla, Carlo Torti, Angela Quirino, Maria Carla Liberto, Alfredo Focà
We aim to investigate some of the pathogenetic mediators of the human echinococcosis and to obtain updated epidemiological findings on cases of echinococcosis in Calabria, Southern Italy. Echinococcosis diagnosis was based on imaging, serological investigations, and molecular assay. Indeed, real-time PCR indicated the presence of G2/G3 genotypes of Echinococcus granulosus complex. Regarding pathogenesis, a relevant novel tool of immune depression should be deemed the reduced level of serum MCP-1. Also, we found a previously unreported VEGF, possibly associated with neovascularization requested by the parasite cyst metabolism...
2018: Mediators of Inflammation
Mackenzie M Honikel, Chi-En Lin, Brittney A Cardinell, Jeffrey T LaBelle, Andrew D Penman
The optimal frequency (OF) of a biomarker in electrochemical impedance spectroscopy (EIS) is the frequency at which the EIS response best reflects the binding of the biomarker to its molecular recognition element. Commonly, biosensors rely on complicated immobilization chemistry to attach biological molecules to the sensor surface, making the direct study of a biomarker's native OF a challenge. Physical adsorption presents a simple immobilization strategy to study the native biomarker's OF, but its utility is often discouraged due to a loss in biological activity...
March 13, 2018: ACS Sensors
N Mejrhit, O Azdad, L Aarab
Objectives. The aim of this work was to study the effect of industrial processing on the allergenicity of three commonly consumed Moroccan fish species in Fez region (sardine, common pandora, and shrimp). Methods. This work was conducted by a sera-bank obtained from 1248 patients recruited from Fez Hospitals. Their sera were analyzed for specific IgE binding to raw fish extracts. Among them, 60 patients with higher specific IgE levels were selected, and used to estimate the binding variation of IgE to these products under several processing (frying, cooking, canning, marinade, and fermentation) using ELISA analysis...
March 2, 2018: European Annals of Allergy and Clinical Immunology
O Azdad, N Mejrhit, L Aarab
The aim of the present study is to evaluate the effect of heat-treatment and enzymatic hydrolysis on the allergenicity of cow's milk α-lactalbumin (α-LA) in a Moroccan population. A total of 557 patients were recruited from the University Hospital Complex and the Ibn El Khatib Hospital of Fez city. This population consented to realize a dosage of IgE levels to raw cow milk and then to α-LA native and treated with the studied treatments. The results revealed that 54.4% of the studied subjects presented positive values of serial IgE to raw cow milk...
March 1, 2018: European Annals of Allergy and Clinical Immunology
Randa S Abdel-Latif, Nissreen E ELBadawy, Basem M Ibrahim
This is a prospective interventional comparative study which aimed to investigate correlation between tear film allergen specific IgE levels and the skin prick test in diagnosing different types of allergic conjunctivitis. One hundred twenty patients with allergic conjunctivitis were included in this study and were classified into 4 groups based on the type of allergic conjunctivitis. Patients were subjected to skin prick test (SPT). Micro capillary method was used to collect tear samples for the quantitative assessment of specific IgE by Immune blot assay...
June 2017: Egyptian Journal of Immunology
Nissreen E ELBadawy, Randa S Abdel-Latif
Specific immunotherapy (SIT) is one of the important lines for the treatment of food allergy. Efficacy tests for clinical response to SIT are limited and subjective. In this study, we aimed to evaluate the validity of food specific Ig E levels as a biomarker of clinical improvement in children with food allergy treated with oral immunotherapy (OIT). We analysed 184 children with food allergy, 143 had undergone 2 years of food OIT and 41 were on allergen restricted diet and considered as control. All patients were subjected to Double-Blind Placebo-Controlled Food Challenge test (DBPCFC), allergic symptom score calculation, and serum food specific Ig E level before and after oral immunotherapy for treated patients and after 2 year of allergen restricted diet for the control group...
June 2017: Egyptian Journal of Immunology
Maha K Gohar, Amal H Atta, Mohamed M Nasr, Doaa N Hussein
Atopic dermatitis (AD) is a worldwide chronic inflammation of skin.Many factors and chemokines play role in pathogenesis of AD. Identifying the reliable biomarkers to diagnose and assess severity of AD is important. In this study we aimed to find a reliable biomarker to determine the severity of AD and monitor treatment as well as, examining the possible association between IL-18 gene [rs 187238] promoter polymorphism and AD disease. The study included 30 Egyptian patients with AD and 30 healthy controls. Patients were clinically evaluated according to SCORAD scoring system...
June 2017: Egyptian Journal of Immunology
Matteo Ferrando, Francesca Racca, Lorena Nascimento Girardi Madeira, Enrico Heffler, Giovanni Passalacqua, Francesca Puggioni, Niccolò Stomeo, Giorgio Walter Canonica
Abstract: Allergen immunotherapy (AIT) is the only disease-modifying treatment approved for allergic rhinitis and allergic asthma and represents a suitable therapeutic option, especially in childhood, to modify the progression of respiratory allergic diseases. Starting from the previous "generic class effect" evaluation, as testified by the numerous meta analyses, AIT is now considered a product-specific pathogenic-oriented treatment. Background: AIT was empirically proposed more than one century ago in the subcutaneous form (SCIT), but the IgE-mediated mechanism of allergy was elucidated only after 50 years of clinical use of the treatment...
2018: Clinical and Molecular Allergy: CMA
Mohapatra Liza, Dash Gaurav, Mohanty Prasenjeet, Jena Swapna, Behera Binodini
The hyper-IgE syndrome (HIES) is a rare group of primary immunodeficiency characterised by recurrent infections, eczema, and elevated serum levels of IgE. Autosomal dominant HIES is caused by mutations in transcription factor - signal transducer and activator of transcription-3. Autosomal-recessive (AR) HIES was described in 2004 due to mutation of tyrosine kinase 2 gene, and subsequently, another mutation in dedicator of cytokinesis 8 gene was discovered in 2009. Although both the forms have many common clinical features, few characteristic findings help in differentiating them...
January 2018: Indian Journal of Dermatology
Akane Hayashi, Tatsuro Nakamura, Takahisa Murata
No abstract text is available yet for this article.
2018: Nihon Yakurigaku Zasshi. Folia Pharmacologica Japonica
Toshihiro Osada, Yuki Tanaka, Akira Yamada, Eiji Sasaki, Teruhiro Utsugi
BACKGROUND: About one-third of the Japanese population suffers from Japanese cedar pollinosis, which is frequently accompanied by Japanese cypress pollinosis. Recently, a novel major Japanese cypress pollen allergen, Cha o 3, was discovered. However, whether a Cha o 3 homolog is present in Japanese cedar pollen remains to be determined. METHODS: Western blot analysis was performed using Cha o 3-specific antiserum. In addition, cloning of the gene encoding Cry j 4 was conducted using total cDNA from the male flower of Japanese cedar trees...
March 7, 2018: Allergology International: Official Journal of the Japanese Society of Allergology
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