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https://www.readbyqxmd.com/read/28549988/regulatory-t-cell-populations-in-children-are-affected-by-age-and-food-allergy-diagnosis
#1
Benjamin T Prince, Ashley L Devonshire, Kristin A Erickson, Jenna Bergerson, Dalia Fuleihan, Christine Szychlinski, Robert P Schleimer, Paul J Bryce, Anne Marie Singh
Young food allergic children have decreased regulatory T cell (Treg) percentages. Only Tregs from healthy controls demonstrated age-related increases in their expression of the gut-associated chemokine receptor CCR6, which may be important in maintaining oral tolerance to foods and preventing the development of allergic disease.
May 23, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28549741/association-between-weather-seasonality-and-blood-parameters-in-riverine-populations-of-the-brazilian-amazon
#2
Poliany C O Rodrigues, Eliane Ignotti, Sandra S Hacon
OBJECTIVE: To analyze the seasonality of blood parameters related to iron homeostasis, inflammation, and allergy in two riverine populations from the Brazilian Amazon. METHODS: This was a cross-sectional study of 120 children and adolescents of school age, living in riverine communities of Porto Velho, Rondonia, Brazil, describing the hematocrit, hemoglobin, ferritin, serum iron, total white blood cell count, lymphocytes, eosinophils, C-reactive protein, and immunoglobulin E levels in the dry and rainy seasons...
May 23, 2017: Jornal de Pediatria
https://www.readbyqxmd.com/read/28549300/evaluation-of-the-in-vitro-effect-of-boldo-and-meadowsweet-plant-extracts-on-the-expression-of-antimicrobial-peptides-and-inflammatory-markers-in-canine-keratinocytes
#3
Domenico Santoro, Kim Ahrens, Ryan Vesny, Christelle Navarro, Hugues Gatto, Rosanna Marsella
Dogs with allergies are prone to skin infections and treatments/preventatives to boost innate immune-defenses are beneficial. The aim of this study was to evaluate the effects of Boldo and Meadowsweet extracts on the expression of β-defensins (cBD), cathelicidin (cCath), and pro-inflammatory cytokines in canine keratinocyte. This study had two phases. Phase I evaluated mRNA expression of cBD103 and cCath, and secretion of cCath, IL-8 and TNF-α by keratinocytes harvested from healthy (n=5) and atopic (n=5) age-matched beagles exposed to Boldo (2% to 0...
May 17, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28549270/the-effects-of-early-life-adversity-on-the-immune-system
#4
REVIEW
Martha M C Elwenspoek, Annette Kuehn, Claude P Muller, Jonathan D Turner
Early life adversity (ELA) is associated with a higher risk for diseases in adulthood. Although the pathophysiological effects of ELA are varied, there may be a unifying role for the immune system in all of the long-term pathologies such as chronic inflammatory disorders (autoimmune diseases, allergy, and asthma). Recently, significant efforts have been made to elucidate the long-term effects ELA has on immune function, as well as the mechanisms underlying these immune changes. In this review, we focus on data from human studies investigating immune parameters in relation to post-natal adverse experiences...
May 17, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28549059/elimination-diet-and-the-development-of-multiple-tree-nut-allergies
#5
Arnon Elizur, Jennifer B Bollyky, Whitney M Block
BACKGROUNDDespite its high prevalence, relatively little is known about the characteristics of patients with multiple tree-nuts allergies.METHODSPatients (n=60, aged 4-15 years), recruited for a multiple food (tree-nuts, peanut, milk, egg, soy, sesame and wheat) oral immunotherapy (OIT) study, filled a questionnaire on their initial allergy evaluation. Medical records were reviewed. At OIT enrollment (median interval, 7.5 years), patients underwent oral food challenges (OFC) to foods still eliminated.RESULTSThere was significantly less evidence for eliminating tree-nuts compared to other foods, as reflected by lower rate of acute reaction to the offending food, either as the trigger for initial allergy evaluation (5...
May 26, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28548971/allergic-contact-dermatitis-in-preservatives-current-standing-and-future-options
#6
Gustavo Deza, Ana M Giménez-Arnau
PURPOSE OF REVIEW: Preservatives are well known skin sensitizers and represent one of the main causes of contact allergy. The purpose of this article is to review the current state of contact sensitization induced by preservatives and point future alternatives for products' preservation. RECENT FINDINGS: Isothiazolinones currently are the most common preservatives responsible of contact allergy in Europe and in the United States, and although some regulatory interventions have been taken place, the current contact allergy outbreak is not yet under control...
May 25, 2017: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28548133/asthma-and-allergy-the-net-effect-of-respiratory-viruses
#7
Yvonne Bordon
No abstract text is available yet for this article.
May 26, 2017: Nature Reviews. Immunology
https://www.readbyqxmd.com/read/28546858/quality-indicators-for-the-acute-and-long-term-management-of-anaphylaxis-a-systematic-review
#8
REVIEW
Sangeeta Dhami, Aadam Sheikh, Antonella Muraro, Graham Roberts, Susanne Halken, Monserat Fernandez Rivas, Margitta Worm, Aziz Sheikh
BACKGROUND: The quality of acute and long-term anaphylaxis management is variable and this contributes to the poor outcomes experienced by many patients. Clinical practice guidelines have the potential to improve outcomes, but implementing guideline recommendations in routine practice is challenging. Quality indicators have the potential to support guideline implementation efforts. OBJECTIVE: To identify quality indicators to support the acute and long-term management of anaphylaxis...
2017: Clinical and Translational Allergy
https://www.readbyqxmd.com/read/28546124/stressor-driven-extracellular-acidosis-as-tumor-inducer-via-aberrant-enzyme-activation-a-review-on-the-mechanisms-and-possible-prophylaxis
#9
REVIEW
Seema Patel
When the extracellular pH of the human body vacillates in either direction, tissue homeostasis is compromised. Fluctuations in acidosis have been linked to a wide variety of pathological conditions, including bone loss, cancer, allergies, and auto-immune diseases. Stress conditions may affect oxygen tension and hypoxia modulates the expression and/or activity of membrane tethered transporters/pumps, transcription factors, enzymes and intercellular junctions. These modifications provoke erratic gene expression, aberrant tissue remodeling and oncogenesis...
May 22, 2017: Gene
https://www.readbyqxmd.com/read/28545251/oxidative-stress-promoter-of-allergic-sensitization-to-protease-allergens
#10
REVIEW
Leonie S van Rijt, Lara Utsch, René Lutter, Ronald van Ree
Allergies arise from aberrant T helper type 2 responses to allergens. Several respiratory allergens possess proteolytic activity, which has been recognized to act as an adjuvant for the development of a Th2 response. Allergen source-derived proteases can activate the protease-activated receptor-2, have specific effects on immune cells by cleaving cell membrane-bound regulatory molecules, and can disrupt tight junctions. The protease activity can induce a non-allergen-specific inflammatory response in the airways, which will set the stage for an allergen-specific Th2 response...
May 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28544909/can-human-allergy-drug-fexofenadine-an-antagonist-of-histamine-h1-receptor-be-used-to-treat-dog-and-cat-homology-modeling-docking-and-molecular-dynamic-simulation-of-three-h1-receptors-in-complex-with-fexofenadine
#11
Safaa Sader, Jun Cai, Anna C G Muller, Chun Wu
Fexofenadine, a potent antagonist to human histamine 1 (H1) receptor, is a non-sedative third generation antihistamine that is widely used to treat various human allergic conditions such as allergic rhinitis, conjunctivitis and atopic dermatitis. Encouragingly, it's been successfully used to treat canine atopic dermatitis, this supports the notion that it might have a great potential for treating other canine allergic conditions and other mammal pets such as dog. Regrettably, while there is a myriad of studies conducted on the interactions of antihistamines with human H1 receptor, the similar studies on non-human pet H1 are considerably scarce...
May 17, 2017: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/28544337/growth-curves-of-normal-serum-total-ige-levels-throughout-childhood-a-quantile-analysis-in-a-birth-cohort
#12
Chiara Sacco, Serena Perna, Donatella Vicari, Marco Alfò, Carl-Peter Bauer, Ute Hoffman, Johannes Forster, Fred Zepp, Antje Schuster, Ulrich Wahn, Thomas Keil, Susanne Lau, Paolo Maria Matricardi
BACKGROUND: Previous studies of serum total IgE (t-IgE) were not able to discriminate well enough atopic from non-atopic subjects, i.e. with or without serum-specific IgE antibodies to allergens. OBJECTIVES: To model growth curves of the total IgE levels in children without atopic sensitization (hereafter defined as "normal" t-IgE levels) and to test their usefulness in predicting atopic sensitization. METHODS: The German Multicentre Allergy Study (MAS), a birth cohort with 1314 recruited newborns, began in 1990 and examined the participants until age 20y...
May 25, 2017: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/28544327/genetic-variation-at-the-th2-immune-gene-il13-is-associated-with-ige-mediated-paediatric-food-allergy
#13
S E Ashley, H-T T Tan, R Peters, K J Allen, P Vuillermin, S C Dharmage, M L K Tang, J Koplin, A Lowe, A-L Ponsonby, J Molloy, M C Matheson, R Saffery, J A Ellis, D Martino
BACKGROUND: Food allergies pose a considerable world-wide public health burden with incidence as high as one in ten in 12-month-old infants. Few food allergy genetic risk variants have yet been identified. The Th2 immune gene IL13 is a highly plausible genetic candidate as it is central to the initiation of IgE class switching in B cells. OBJECTIVE: Here, we sought to investigate whether genetic polymorphisms at IL13 are associated with the development of challenge-proven IgE-mediated food allergy...
April 24, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28543769/perceptions-and-practices-regarding-atopic-dermatitis-a-survey
#14
Katherine R Grey, Kristen P Hook, Ingrid C Polcari, Sheilagh M Maguiness
Parents (N = 392) completed a survey at the Minnesota State Fair in August and September 2015 addressing knowledge regarding the pathogenesis of atopic dermatitis (AD), basic skin care practices, and the perceived role of infection and food allergies in AD. Of participating parents, 82% identified food allergy or sensitivity in AD pathogenesis, whereas only 42% identified bacterial infection as an important factor in AD severity. Participants most often received education on skin health from their pediatrician (49%), followed by Internet-based sources (23%), rather than a dermatologist or pediatric dermatologist...
May 25, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28543717/poaceae-pollen-as-the-leading-aeroallergen-worldwide-a-review
#15
REVIEW
H García-Mozo
The Poaceae family comprises over 12,000 wind-pollinated species which release large amounts of pollen into the atmosphere. Poaceae pollen is currently regarded as the leading airborne biological pollutant and the chief cause of pollen-allergy worldwide. Sensitization rates vary by country, and those variations are reviewed here. Grass pollen allergens are grouped according to their protein structure and function. In Poaceae, although species belonging to different sub-families are characterized by distinct allergen subsets, there is a considerable degree of cross-reactivity between many species...
May 22, 2017: Allergy
https://www.readbyqxmd.com/read/28543634/thaumatin-and-gum-arabic-allergy-in-chewing-gum-factory-workers
#16
Mattias P Tschannen, Ulrich Glück, Andreas J Bircher, Ingmar Heijnen, Claudia Pletscher
Thaumatin is a sweetener and flavor modifier commonly used in the food industry. Likewise, gum arabic is widely used as a food stabilizer and thickening agent. We report here that a powder mixture composed of 10% thaumatin and 90% gum arabic led to allergic symptoms in the upper airways in occupationally exposed individuals: four of eight workers of a chewing gum factory exposed to this powder mixture had pronounced rhinitis. A positive skin prick test result for pure thaumatin was obtained in all four individuals with rhinitis of whom two also had a positive skin prick test result for pure gum arabic and gum arabic-specific IgE...
May 24, 2017: American Journal of Industrial Medicine
https://www.readbyqxmd.com/read/28543367/successful-treatment-of-methicillin-susceptible-staphylococcus-aureus-osteomyelitis-with-oritavancin
#17
Dino J Delaportas, Sandy J Estrada, Matthew Darmelio
Staphylococcus aureus remains the most common causative pathogen in osteomyelitis. New or alternate therapies are often needed to adequately treat S. aureus infections in patients with drug allergies, treatment failures, or drug interactions. Oritavancin is a novel long-acting lipoglycopeptide approved by the Food and Drug Administration (FDA) in 2014 for the treatment of Acute Bacterial Skin and Skin Structure Infections (ABSSSI). With a terminal half-life of 8 to 10 days, oritavancin dosing regimens with infrequent parenteral administration now exist to treat infectious diseases such as osteomyelitis that would otherwise require daily dosing of intravenous antimicrobials for weeks; however clinical experience is lacking...
May 23, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28543193/patterns-of-anaphylaxis-after-diagnostic-work-up-a-follow-up-study-of-226-patients-with-suspected-anaphylaxis
#18
Athamaica Ruiz Oropeza, Carsten Bindslev-Jensen, Sigurd Broesby-Olsen, Thomas Kristensen, Michael Boe Møller, Hanne Vestergaard, Henrik Fomsgaard Kjaer, Susanne Halken, Annmarie Lassen, Charlotte G Mortz
BACKGROUND: Most published studies on anaphylaxis are retrospective or register based. Data on subsequent diagnostic work-up are sparse. We aimed to characterize patients seen with suspected anaphylaxis at the emergency care setting (ECS), after subsequent diagnostic work-up at our Allergy Center (AC). METHODS: Prospective study including patients from the ECS, Odense University Hospital, during May 2013-April 2014. Possible anaphylaxis cases were daily identified based on a broad search profile including history and symptoms in patient records, diagnostic codes and pharmacological treatments...
May 19, 2017: Allergy
https://www.readbyqxmd.com/read/28543086/allergen-immunotherapy-for-allergic-asthma-a-systematic-review-and-meta-analysis
#19
REVIEW
Sangeeta Dhami, Artemisia Kakourou, Felix Asamoah, Ioana Agache, Susanne Lau, Jutel Marek, Antonella Muraro, Graham Roberts, Cezmi A Akdis, Matteo Bonini, Ozlem Cavkaytar, Breda Flood, Pawel Gajdanowicz, Kenji Izuhara, Ömer Kalayci, Ralph Mosges, Oscar Palomares, Oliver Pfaar, Sylwia Smolinska, Milena Sokolowska, Miqdad Asaria, Gopal Netuveli, Hader Zaman, Ather Akhlaq, Aziz Sheikh
BACKGROUND: To inform the development of the European Academy of Allergy and Clinical Immunonology's (EAACI) Guidelines on Allergen Immunotherapy (AIT) for allergic asthma, we assessed the evidence on the effectiveness, cost-effectiveness and safety of AIT. METHODS: We performed a systematic review, which involved searching nine databases. Studies were screened against pre-defined eligibility criteria and critically appraised using established instruments. Data were synthesized using random-effects meta-analyses...
May 19, 2017: Allergy
https://www.readbyqxmd.com/read/28542911/changes-in-patient-quality-of-life-during-oral-immunotherapy-for-food-allergy
#20
Na'ama Epstein Rigbi, Michael R Goldberg, Michael B Levy, Liat Nachshon, Keren Golobov, Arnon Elizur
BACKGROUND: Quality of life is (QOL) impaired in patients with food allergy and improves following oral immunotherapy (OIT). However, the treatment itself is prolonged and demanding. We examined changes in patient QOL during OIT for food allergy. METHODS: The FAQLQ-PF was administered to children aged 4-12 years undergoing OIT for milk, peanut or egg allergy, at the beginning and after 4 months of treatment. Patients were categorized as improved, unchanged, or diminished FAQLQ-PF (>0...
May 22, 2017: Allergy
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