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https://www.readbyqxmd.com/read/28342912/peanut-oleosins-associated-with-severe-peanut-allergy-importance-of-lipophilic-allergens-for-comprehensive-allergy-diagnostics
#1
Christian Schwager, Skadi Kull, Jochen Behrends, Niels Röckendorf, Frauke Schocker, Andreas Frey, Arne Homann, Wolf-Meinhard Becker, Uta Jappe
BACKGROUND: Peanut allergy is one of the most common and most severe food allergies in Western countries and its accurate diagnosis to prevent potential life-threatening allergic reactions is crucial. However, aqueous extracts used for routine diagnostic measurements are devoid of lipophilic allergens such as oleosins. We have recently succeeded in the isolation and purification of these unique proteins, and the current study evaluates their allergenic potential and clinical relevance...
March 22, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28342911/basophils-high-affinity-ige-receptors-and-ccl2-in-human-anaphylaxis
#2
Peter Korosec, Paul J Turner, Mira Silar, Peter Kopac, Mitja Kosnik, Bernhard F Gibbs, Mohamed H Shamji, Adnan Custovic, Matija Rijavec
BACKGROUND: The role of basophils in anaphylaxis is unclear. OBJECTIVE: To investigate whether basophils have an important role in human anaphylaxis. METHODS: In an emergency department study, we recruited 31 patients with acute anaphylaxis, predominantly to hymenoptera venom. We measured expression of basophil activation markers (CD63, CD203c), the absolute number of circulating basophils, whole-blood FcεRI, CPA3 and HDC gene expression, and serum markers (CCL2, CCL5, CCL11, IL-3, TSLP) at three time points (during the anaphylactic episode, and in convalescent samples 7 and 30 days later)...
March 22, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28342859/hydroethanolic-extract-from-echinodorus-scaber-rataj-leaves-inhibits-inflammation-in-ovalbumin-induced-allergic-asthma
#3
Suellen Iara Guirra Rosa, Fabrício Rios-Santos, Sikiru Olaitan Balogun, Danielle Ayr Tavares de Almeida, Amilcar Sabino Damazo, Thais Campos Dias da Cruz, Eduarda Pavan, Robson Dos Santos Barbosa, Tarso da Costa Alvim, Ilsamar Mendes Soares, Sérgio Donizeti Ascêncio, Antonio Macho, Domingos Tabajara de Oliveira Martins
ETHNOPHARMACOLOGICAL RELEVANCE: Echinodorus scaber, Alismataceae, is popularly known in Brazil as "chapéu-de-couro". The plant leaves are used by the population as decoction, infusion, or maceration in bottled spirits, to treat inflammatory respiratory diseases. AIM OF THE STUDY: To investigate the anti-inflammatory mechanism of the hydroethanolic extract of leaves of Echinodorus scaber (HEEs) in allergic asthma. A phytochemical analysis of the extract was performed as well...
March 22, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28342830/patients-taking-amoxicillin-clavulanic-can-become-simultaneously-sensitized-to-both-drugs
#4
María Salas, Jose Julio Laguna, Inmaculada Doña, Esther Barrionuevo, Rubén Fernandez-Santamaría, Adriana Ariza, Ezequiel Perez-Inestrosa, Cristobalina Mayorga, Tahia Diana Fernández, María José Torres
BACKGROUND: Patients can react to amoxicillin (AX) and clavulanic acid (CLV) taken in combination because of selective reactions to either drug. However, scant information exists concerning patients who react simultaneously to both compounds. OBJECTIVE: To analyze the mechanisms involved in 4 patients who developed allergic reactions to AX-CLV administration (3 with immediate IgE-mediated reaction and 1 with nonimmediate T-cell-mediated reaction) and who responded specifically to both AX and CLV...
March 22, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28339739/unabated-occupational-risk-in-a-patient-with-rheumatoid-pulmonary-fibrosis
#5
V K Holden, S J Kligerman, T G Hastings, S E Hines
Background: This case highlights the importance of considering hypersensitivity pneumonitis (HP) in the differential diagnosis of interstitial lung disease (ILD) and of obtaining an occupational history so that remediable risk factors may be identified and managed. Aims: To report a case of a chicken sexer with severe rheumatoid arthritis (RA) who developed progressively worsening dyspnoea and restrictive lung disease associated with pulmonary fibrosis. Methods: Clinical investigation included physical examination, occupational history, pulmonary function tests (PFTs), chest imaging and bronchoalveolar lavage (BAL), as well as serological tests including standard IgE bird feather mixture and local IgG precipitin preparation to chicken excrement...
February 23, 2017: Occupational Medicine
https://www.readbyqxmd.com/read/28339033/role-of-tropomyosin-in-silkworm-allergy
#6
Kyoung Yong Jeong, In-Soo Han, June Yong Lee, Kyung Hee Park, Jae-Hyun Lee, Jung-Won Park
Silkworm pupae are widely consumed in Asian countries and allergic reactions following consumption have been described. However, false‑positive responses in skin prick allergy tests or non‑specific immunoglobulin E (IgE) responses to total extract of silkworm pupa make diagnosis difficult. Although improved allergy diagnosis is required, molecular characterization of silkworm allergens has not been performed to date, except for Bomb m 1, an arginine kinase. This study aimed to evaluate the allergenicity of tropomyosin, a well‑established invertebrate pan‑allergen, from silkworm pupa...
March 24, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28337893/adjuvant-treatment-with-a-symbiotic-in-patients-with-inflammatory-non-allergic-rhinitis
#7
M Gelardi, C De Luca, S Taliente, M L Fiorella, N Quaranta, C Russo, A Ciofalo, A Macchi, M Mancini, P Rosso, V Seccia, F Guagnini, G Ciprandi
Inflammatory non-allergic rhinitis (INAR) is characterized by the presence of an inflammatory infiltrate and a non-IgE-mediated pathogenesis. This retrospective, controlled, multicentre study investigated whether a symbiotic, containing Lactobacillus acidophilus NCFM, Bifidobacterium lactis, and fructo-oligosaccharides (Pollagen®, Allergy Therapeutics, Italy), prescribed as adjunctive therapy to a standard pharmacological treatment, was able to reduce symptom severity, endoscopic features, and nasal cytology in 93 patients (49 males and 44 females, mean age 36...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28337267/exploration-of-the-effect-of-probiotics-supplementation-on-intestinal-microbiota-of-food-allergic-mice
#8
Bo Yang, Liang Xiao, Sheng Liu, Xiaoyu Liu, Yan Luo, Qiongmei Ji, Pingchang Yang, Zhigang Liu
Environmental factor-induced alterations in intestinal microbiota have been demonstrated to be associated with increasing prevalence of food allergy. However, it is not clear to what extent oral administration of probiotics can affect gut microbiota composition, thus inhibiting food allergy development. Using ovalbumin (OVA)-sensitized murine model, it was demonstrated that probiotics ameliorated allergic symptoms, including reducing OVA specific-IgE, and -IgG1 levels in the serum, Th2 cytokines release in spleen, and occurrence of diarrhea...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28337093/assessment-of-socioeconomic-status-and-control-of-asthma-in-adults
#9
I A Azeez, M M A Ladipo, O M Ige
BACKGROUND: Asthma is a chronic disease which places considerable economic, social and public health burdens on the society. Education, occupation and income are the most widely used indicators of socioeconomic status (SES). Studies have shown increased asthma hospital admissions for those who are materially deprived and increased asthma severity in low social class groups. The aim of this study is to determine the impact of socioeconomic status on control of asthma in adults. METHOD: The study was a cross-sectional analytical one, conducted over a year at the Medical Outpatient Clinic of the University College Hospital Ibadan...
December 2016: Annals of Ibadan Postgraduate Medicine
https://www.readbyqxmd.com/read/28335419/anti-allergic-compounds-from-the-deep-sea-derived-actinomycete-nesterenkonia-flava-mccc-1k00610
#10
Chun-Lan Xie, Qingmei Liu, Jin-Mei Xia, Yuanyuan Gao, Quan Yang, Zong-Ze Shao, Guangming Liu, Xian-Wen Yang
A novel cyclic ether, nesterenkoniane (1), was isolated from the deep-sea-derived actinomycete Nesterenkonia flava MCCC 1K00610, together with 12 known compounds, including two macrolides (2, 3), two diketopiperazines (4, 5), two nucleosides (6, 7), two indoles (8, 9), three phenolics (10-12), and one butanol derivate (13). Their structures were established mainly on detailed analysis of the NMR and MS spectroscopic data. All 13 compounds were tested for anti-allergic activities using immunoglobulin E (IgE) mediated rat mast RBL-2H3 cell model...
March 14, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28330497/atopic-dermatitis-anti-ige-paediatric-trial-adapt-the-role-of-anti-ige-in-severe-paediatric-eczema-study-protocol-for-a-randomised-controlled-trial
#11
Susan Chan, Victoria Cornelius, Tao Chen, Suzana Radulovic, Mandy Wan, Rahi Jahan, Gideon Lack
BACKGROUND: The evidence for systemic treatments for severe childhood eczema is limited and largely based on extrapolation of data from adult studies. Current therapies are often immunosuppressant and may be associated with both short- and long-term side effects. There is increasing in vitro and murine-model evidence for the role of IgE in the immunopathogenesis of atopic eczema. The aim of the study is to assess whether anti-IgE treatment (omalizumab) improves eczema, compared to placebo...
March 22, 2017: Trials
https://www.readbyqxmd.com/read/28328103/characterization-of-maize-chitinase-a-a-tough-allergenic-molecule
#12
Mariateresa Volpicella, Claudia Leoni, Immacolata Fanizza, Marco Distaso, Guido Leoni, Laura Farioli, Todd Naumann, Elide Pastorello, Luigi Ruggiero Ceci
BACKGROUND: Food allergies are recognized as an increasing health concern. They are caused by specific proteins called food allergens. Proteins commonly identified as food allergens tend to have one of about 30 different biochemical activities. This leads to the assumption that food allergens must have specific structural features which causes their allergenicity. But these structural features are not completely understood. Uncovering the structural basis of allergenicity would allow improved diagnosis and therapy of allergies and would provide insights for safer food production...
March 22, 2017: Allergy
https://www.readbyqxmd.com/read/28328081/btk-inhibition-is-a-potent-approach-to-block-ige-mediated-histamine-release-in-human-basophils
#13
Dubravka Smiljkovic, Katharina Blatt, Gabriele Stefanzl, Yulia Dorofeeva, Cathrin Skrabs, Margarete Focke-Tejkl, Wolfgang R Sperr, Ulrich Jaeger, Rudolf Valenta, Peter Valent
BACKGROUND: Recent data suggest that Bruton's tyrosine kinase (BTK) is an emerging therapeutic target in IgE receptor (IgER) cross-linked basophils. METHODS: We examined the effects of four BTK inhibitors (ibrutinib, dasatinib, AVL-292, CNX-774) on IgE-dependent activation and histamine release in blood basophils obtained from allergic patients (n=11) and non-allergic donors (n=5). In addition, we examined the effects of these drugs on the growth of the human basophil cell line KU812 and the human mast cell line HMC-1...
March 22, 2017: Allergy
https://www.readbyqxmd.com/read/28327581/the-early-life-environment-of-a-pig-shapes-the-phenotypes-of-its-social-partners-in-adulthood
#14
L Canario, N Lundeheim, P Bijma
Social interactions among individuals are abundant, both in natural and domestic populations, and may affect phenotypes of individuals. Recent research has demonstrated that the social effect of an individual on the phenotype of its social partners may have a genetic component, known as an indirect genetic effect (IGE). Little is known, however, of nongenetic factors underlying such social effects. Early-life environments often have large effects on phenotypes of the individuals themselves later in life. Offspring development in many mammalian species, for example, depends on interactions with the mother and siblings...
March 22, 2017: Heredity
https://www.readbyqxmd.com/read/28327534/the-anti-allergic-rhinitis-effect-of-traditional-chinese-medicine-of-shenqi-by-regulating-mast-cell-degranulation-and-th1-th2-cytokine-balance
#15
Yang-Yang Shao, Yi-Ming Zhou, Min Hu, Jin-Ze Li, Cheng-Juan Chen, Yong-Jiang Wang, Xiao-Yun Shi, Wen-Jie Wang, Tian-Tai Zhang
Shenqi is a traditional Chinese polyherbal medicine has been widely used for the treatment of allergic rhinitis (AR). The aim of this study was to investigate the anti-allergic rhinitis activity of Shenqi and explore its underlying molecular mechanism. Ovalbumin (OVA)-induced allergic rhinitis rat model was used to evaluate the anti-allergic rhinitis effect of Shenqi. The effect of Shenqi on IgE-mediated degranulation was measured using rat basophilic leukemia (RBL-2H3) cells. Primary spleen lymphocytes were isolated to investigate the anti-allergic mechanism of Shenqi by detecting the expression of transcription factors via Western blot and the level of cytokines (IL-4 and IFN-γ) via ELISA...
March 22, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28325597/relationships-between-acrylamide-and-glycidamide-hemoglobin-adduct-levels-and-allergy-related-outcomes-in-general-us-population-nhanes-2005-2006
#16
Jing Guo, Dongdong Yu, Na Lv, Rongpan Bai, Chunjing Xu, Guangdi Chen, Weiming Cao
BACKGROUND: Acrylamide-induced immunotoxicity and allergic dermatitis have been reported in animal experiments and clinical reports, respectively. However, epidemiological evidence from the general population is limited. OBJECTIVES: The purpose of the present study was to estimate the associations between acrylamide exposure and allergy-related outcomes in the general US population. METHODS: A total of 6982 subjects were selected from the National Health and Nutrition Examination Survey 2005-2006 (NHANES)...
March 18, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28322575/epigenome-wide-dna-methylation-study-of-ige-concentration-in-relation-to-self-reported-allergies
#17
Weronica E Ek, Muhammad Ahsan, Mathias Rask-Andersen, Liming Liang, Miriam F Moffatt, Ulf Gyllensten, Åsa Johansson
AIM: Epigenetic mechanisms are critical for normal immune development and epigenetic alterations might therefore be possible contributors to immune diseases. To investigate if DNA methylation in whole blood is associated with total and allergen-specific IgE levels. METHODS: We performed an epigenome-wide association study to investigate the association between DNA methylation and IgE level, allergen-specific IgE and self-reported immune diseases and allergies in 728 individuals...
March 21, 2017: Epigenomics
https://www.readbyqxmd.com/read/28320552/association-between-severe-vitamin-d-deficiency-lung-function-and-asthma-control
#18
Seda Beyhan-Sagmen, Ozgur Baykan, Baran Balcan, Berrin Ceyhan
INTRODUCTION: To examine the relationship between severe vitamin D deficiency, asthma control, and pulmonary function in Turkish adults with asthma. METHODS: One hundred six asthmatic patients underwent pulmonary function tests skin prick test, peripheral blood eosinophil counts, IgE, body mass index and vitamin D levels were determined. Patients were divided into 2 subgroups according to vitamin D levels (vitamin D level<10ng/ml and vitamin D level≥10 ng/ml)...
March 17, 2017: Archivos de Bronconeumología
https://www.readbyqxmd.com/read/28320227/sublingual-immunotherapy-in-patients-with-latex-allergy-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#19
Kannan Sridharan, Gowri Sivaramakrishnan
Latex allergy (LA) is a commonly observed entity for which sublingual immunotherapy (SLIT) has been shown to be effective in many small randomized clinical trials. The present study was conducted with an aim of systematically reviewing the existing literature on the efficacy and safety of SLIT in patients with LA and to apply the principles of meta-analysis. A search for randomized controlled trials with appropriate search strategy in PubMed and CENTRAL was conducted. Studies with documented clinical history of LA and SLIT administered in any dose, duration and regimen compared with placebo were included...
March 20, 2017: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/28318884/udp-p2y6-receptor-signaling-regulates-ige-dependent-degranulation-in-human-basophils
#20
Manabu Nakano, Koichi Ito, Takeo Yuno, Nobuyuki Soma, Syun Aburakawa, Kosuke Kasai, Toshiya Nakamura, Hideki Takami
BACKGROUND: P2Y purinergic receptors (P2YR) are G protein-coupled receptors that are stimulated by extracellular nucleotides. They mediate cellular effects by regulating cAMP production, protein kinase C activation, inositol trisphosphate generation, and Ca(2+) release from intracellular stores. The P2Y6 receptor of this family is selectively stimulated by UDP, and selectively inhibited by MRS2578. In the present study, we examined the effect of UDP/P2Y6 receptor signaling on IgE-dependent degranulation in human basophils...
March 16, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
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