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Animal Allergy

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https://www.readbyqxmd.com/read/29453631/occupational-animal-allergy
#1
REVIEW
Gregg M Stave
PURPOSE OF REVIEW: This review explores animal allergen exposure in research laboratories and other work settings, focusing on causes and prevention. RECENT FINDINGS: (1) Consistent with the hygiene hypothesis, there is new evidence that early childhood exposure to pets produces changes in the gut microbiome that likely lead to a lower risk of allergy. (2) Anaphylaxis from laboratory animal bites occurs more frequently than suggested by prior literature. (3) Animal allergens represent an occupational hazard in a wide variety of work settings ranging from fields that work with animals to public settings like schools and public transportation where allergens are brought into or are present in the workplace...
February 16, 2018: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/29446153/eating-fish-and-farm-life-reduce-allergic-rhinitis-at-the-age-of-twelve
#2
Styliana Vasileiadou, Göran Wennergren, Frida Strömberg Celind, Nils Åberg, Rolf Pettersson, Bernt Alm, Emma Goksör
BACKGROUND: The prevalence of allergic rhinitis has increased, but the cause of this rise is partly unknown. Our aim was to analyse the prevalence, risk factors and protective factors for allergic rhinitis in 12-year-old Swedish children. METHODS: Data were collected from a prospective, longitudinal cohort study of children born in western Sweden in 2003. The parents answered questionnaires when the children were six months to 12 years. The response rate at 12 years was 76% (3,637/4,777) of the questionnaires distributed...
February 15, 2018: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/29441119/diagnosis-monitoring-and-prevention-of-exposure-related-non-communicable-diseases-in-the-living-and-working-environment-dimopex-project-is-designed-to-determine-the-impacts-of-environmental-exposure-on-human-health
#3
REVIEW
Lygia Therese Budnik, Balazs Adam, Maria Albin, Barbara Banelli, Xaver Baur, Fiorella Belpoggi, Claudia Bolognesi, Karin Broberg, Per Gustavsson, Thomas Göen, Axel Fischer, Dorota Jarosinska, Fabiana Manservisi, Richard O'Kennedy, Johan Øvrevik, Elizabet Paunovic, Beate Ritz, Paul T J Scheepers, Vivi Schlünssen, Heidi Schwarzenbach, Per E Schwarze, Orla Sheils, Torben Sigsgaard, Karel Van Damme, Ludwine Casteleyn
The WHO has ranked environmental hazardous exposures in the living and working environment among the top risk factors for chronic disease mortality. Worldwide, about 40 million people die each year from noncommunicable diseases (NCDs) including cancer, diabetes, and chronic cardiovascular, neurological and lung diseases. The exposure to ambient pollution in the living and working environment is exacerbated by individual susceptibilities and lifestyle-driven factors to produce complex and complicated NCD etiologies...
2018: Journal of Occupational Medicine and Toxicology
https://www.readbyqxmd.com/read/29434523/allergic-sensitization-to-common-pets-cats-dogs-according-to-different-possible-modalities-of-exposure-an-italian-multicenter-study
#4
G Liccardi, L Calzetta, G Baldi, A Berra, L Billeri, M Caminati, P Capano, E Carpentieri, A Ciccarelli, M A Crivellaro, M Cutajar, M D'Amato, I Folletti, F Gani, D Gargano, D Giannattasio, M Giovannini, C Lombardi, M Lo Schiavo, F Madonna, M Maniscalco, A Meriggi, C Micucci, M Milanese, C Montera, G Paolocci, R Parente, A Pedicini, R Pio, F Puggioni, M Russo, A Salzillo, P Scavalli, N Scichilone, B Sposato, A Stanziola, G Steinhilber, A Vatrella, P Rogliani, G Passalacqua
Background: The query "are there animals at home?" is usually administered for collecting information on anamnesis. This modality to consider exposure to pet allergens constitutes a potential bias in epidemiological studies and in clinical practice. The aim of our study was to evaluate/quantify different modalities of exposure to cat/dog in inducing allergic sensitization. Methods: Thirty Italian Allergy units participated in this study. Each centre was required to collect the data of at least 20 consecutive outpatients sensitized to cat/dog allergens...
2018: Clinical and Molecular Allergy: CMA
https://www.readbyqxmd.com/read/29434182/corilagin-attenuates-allergy-and-anaphylactic-reaction-by-inhibiting-degranulation-of-mast-cells
#5
Jie Zhou, Ci'an Zhang, Yuanyuan Sun, Li Wang, Jian Zhang, Fulun Li, Weian Mao
BACKGROUND This study evaluated the anti-allergic activity of corilagin and also postulates the possible mechanism of its action. MATERIAL AND METHODS Corilagin was given orally at dose of 10, 20, and 40 mg/kg/day. All the animals (guinea pigs, rats, and mice) were sensitized for allergy such as eosinophilia and leukocytosis induced by milk; degranulation of mast cell by compound 48/80; and passive and active anaphylaxis. Moreover, the antagonistic effect was determined by estimating the effect of corilagin on contraction of guinea pig tracheal chain and ileum induced by Ach and histamine, respectively...
February 13, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29432856/aqueous-extracts-from-uncaria-tomentosa-willd-ex-schult-dc-reduce-bronchial-hyperresponsiveness-and-inflammation-in-a-murine-model-of-asthma
#6
Bruna Cestari de Azevedo, Lucas Junqueira de Freitas Morel, Fábio Carmona, Thiago Mattar Cunha, Silvia Helena Taleb Contini, Piero Giuseppe Delprete, Fernando Silva Ramalho, Eduardo Crevelin, Bianca Waléria Bertoni, Suzelei de Castro França, Marcos de Carvalho Borges, Ana Maria Soares Pereira
ETHNOPHARMACOLOGICAL RELEVANCE: Uncaria tomentosa (Willd. Ex Schult) DC is used by indigenous tribes in the Amazonian region of Central and South America to treat inflammation, allergies and asthma. The therapeutic properties of U. tomentosa have been attributed to the presence of tetracyclic and pentacyclic oxindole alkaloids and to phenolic acids. AIMS OF THE STUDY: To characterize aqueous bark extracts (ABE) and aqueous leaf extracts (ALE) of U. tomentosa and to compare their anti-inflammatory effects...
February 9, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29428795/poly-anhydride-nanoparticles-containing-cashew-nut-proteins-can-induce-a-strong-th1-and-treg-immune-response-after-oral-administration
#7
Marcela Araújo Pereira, Juliana de Souza Rebouças, Rafaela de Siqueira Ferraz Carvalho, Inés Luis de Redín, Priscila Valera Guerra, Carlos Gamazo, Claudia Ida Brodskyn, Juan M Irache, Nereide Stela Santos-Magalhães
Cashew nut allergy is the second most commonly reported tree nut allergy. Traditional allergen immunotherapy presents several clinical drawbacks that can be reduced by using nanoparticles-basedallergen-delivery systems, modulating the immune response towards a protective one. In this context, the goal of this work was to assess the potential of poly(anhydride) nanoparticles (NP) for cashew nut oral immunization. Cashew nut allergens-loaded nanoparticles (CNE-NP) were prepared by solvent displacement method...
February 8, 2018: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/29419485/recurrent-pyoderma-and-its-underlying-primary-diseases-a-retrospective-evaluation-of-157-dogs
#8
Florian Seckerdieck, Ralf S Mueller
Bacterial pyoderma is common in small animal practice. Usually there is an associated underlying disease, but little is known about the prevalence of underlying diseases in dogs with recurrent pyoderma. The aim of this study was to analyse the frequency of the different underlying diseases in dogs with recurrent pyoderma. In total, 157 animals with recurrent pyoderma were identified in hospital records from 2008 to 2013 and the data analysed for primary diseases. The time between recurrences, the type of clinical signs and the age at pyoderma onset were also evaluated...
February 1, 2018: Veterinary Record
https://www.readbyqxmd.com/read/29410031/intraperitoneal-administration-of-aluminium-based-adjuvants-produces-severe-transient-systemic-adverse-events-in-mice
#9
Sandra N Freiberger, Deborah S Leuthard, Agathe Duda, Emmanuel Contassot, Michaela Thallmair, Thomas M Kündig, Pål Johansen
Vaccines typically come with adjuvants that trigger the innate immune system in order to prepare best possible inflammatory conditions as to allow the adaptive immune system to become activated, generally for the induction of antibodies. The oldest approved and most abundant immunological adjuvants are salts of aluminium, which are also frequently used in animal models of immunisation and allergy desensitization. In rodents, the intraperitoneal administration of aluminium adjuvants is commonly performed and considered safe...
February 2, 2018: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29384667/effects-of-simulated-smog-atmospheres-in-rodent-models-of-metabolic-and-immunologic-dysfunction
#10
Marie McGee Hargrove, Samantha J Snow, Robert W Luebke, Charles E Wood, Jonathan Krug, Q Todd Krantz, Charly King, Carey Copeland, Shaun D McCullough, Kymberly M Gowdy, Urmila Kodavanti, M Ian Gilmour, Stephen Gavett
Air pollution is a diverse and dynamic mixture of gaseous and particulate matter, limiting our understanding of associated adverse health outcomes. The biological effects of two simulated smog atmospheres (SA) with different compositions but similar air quality health indexes were compared in a non-obese diabetic rat model (Goto-Kakizaki, GK) and three mouse immune models (house dust mite (HDM) allergy, antibody response to heat-killed pneumococcus, and resistance to influenza A infection). In GK rats, both SA-PM (high particulate matter) and SA-O3 (high ozone) decreased cholesterol levels immediately after a 4-hour exposure, whereas only SA-O3 increased airflow limitation...
January 31, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29382534/salvianolic-acid-b-improves-airway-hyperresponsiveness-by-inhibiting-muc5ac-overproduction-associated-with-erk1-2-p38-signaling
#11
Yan Guan, Jian-Ping Zhu, Jian Shen, Yong-Liang Jia, Ya-Chao Jin, Xin-Wei Dong, Qiang-Min Xie
Salvianolic acid B (SalB) is one of the main water-soluble composites from Chinese medicine Dansen (Radix miltiorrhiza). It is used for clinical treatment of various diseases including cardiovascular, lung, Liver, renal and cancers. However, the effects of SalB to allergy induced airway mucin hypersecretion, inflammation and hyperresponsiveness (AHR) remains not clear. Overproduction of airway MUC5AC is a central effector of inflammation that is strongly associated with AHR in asthmatic attack. In this study, we investigated the anti-asthmatic activity and mechanism of SalB in a murine model and human epithelial cells by monitoring changes in mucin expression and secretion, airway inflammation, AHR, and signaling pathways...
January 27, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29381255/airborne-and-food-sensitization-patterns-in-children-and-adults-with-eosinophilic-esophagitis
#12
Yu Ting He, Paul J Christos, William R Reisacher
BACKGROUND: The pathogenesis of eosinophilic esophagitis (EoE) is currently unknown, but evidence suggests that allergic sensitization to food and airborne allergens may play a key role. This retrospective study examines the rate of sensitization to both food and airborne allergens in EoE patients, and compares their sensitivity patterns to control groups. METHODS: We identified 103 patients with a diagnosis of EoE via esophageal eosinophilia (≥15 eosinophils/high-power field [hpf]), who had undergone comprehensive food and/or airborne allergen testing through either skin or in vitro methods...
January 30, 2018: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/29371634/urban-environment-predisposes-dogs-and-their-owners-to-allergic-symptoms
#13
Emma Hakanen, Jenni Lehtimäki, Elina Salmela, Katriina Tiira, Johanna Anturaniemi, Anna Hielm-Björkman, Lasse Ruokolainen, Hannes Lohi
Our companion-animals, dogs, suffer increasingly from non-communicable diseases, analogous to those common in humans, such as allergic manifestations. In humans, living in rural environments is associated with lower risk of allergic diseases. Our aim was to explore whether a similar pattern can be found in dogs, using a nation-wide survey in Finland (n = 5722). We characterised the land-use around dog's home at the time of birth as well as around its current home, and described several lifestyle factors...
January 25, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29357847/critically-appraised-topic-on-adverse-food-reactions-of-companion-animals-5-discrepancies-between-ingredients-and-labeling-in-commercial-pet-foods
#14
Thierry Olivry, Ralf S Mueller
BACKGROUND: Elimination dietary trials for the diagnosis of adverse food reactions (food allergies) in dogs and cats are often conducted with commercial pet foods while relying on their label to select those not containing previously-eaten ingredients. There are concerns that industrial pet foods might contain unlisted food sources that could negate the usefulness of performing food trials. Furthermore, unidentified ingredients might cause clinical reactions in patients hypersensitive to such items...
January 22, 2018: BMC Veterinary Research
https://www.readbyqxmd.com/read/29356309/direct-assessment-of-the-toxicity-of-molybdenum-disulfide-atomically-thin-film-and-microparticles-via-cytotoxicity-and-patch-testing
#15
Weibing Chen, Wenjin Qi, Wei Lu, Nikhil Roy Chaudhury, Jiangtan Yuan, Lidong Qin, Jun Lou
The low toxicity of molybdenum disulfide (MoS2 ) atomically thin film and microparticles is confirmed via cytotoxicity and patch testing in this report. The toxicity of MoS2 thin film and microparticles is extensively studied but is still inconclusive due to potential organic contamination in the preparations of samples. Such contamination is avoided here through preparing MoS2 atomically thin film via direct sulfurization of molybdenum thin film on quartz plate, which permits a direct assessment of its toxicity without any contamination...
January 22, 2018: Small
https://www.readbyqxmd.com/read/29350763/molecular-allergen-profiling-in-horses-by-microarray-reveals-fag-e-2-from-buckwheat-as-a-frequent-sensitizer
#16
L Einhorn, G Hofstetter, S Brandt, E K Hainisch, I Fukuda, K Kusano, A Scheynius, I Mittermann, Y Resch-Marat, S Vrtala, R Valenta, E Marti, C Rhyner, R Crameri, R Satoh, R Teshima, A Tanaka, H Sato, H Matsuda, I Pali-Schöll, E Jensen-Jarolim
BACKGROUND: Companion animals are also affected by IgE-mediated allergies, but the eliciting molecules are largely unknown. We aimed at refining an allergen microarray to explore sensitization in horses and compare it to the human IgE reactivity profiles. METHODS: Custom-designed allergen microarray was produced on the basis of the IimmunoCAP ISAC technology containing 131 allergens. Sera from 51 horses derived from Europe or Japan were tested for specific IgE reactivity...
January 19, 2018: Allergy
https://www.readbyqxmd.com/read/29342930/allergies-in-animals-and-humans
#17
EDITORIAL
Robert Siebers
Allergy to inhalant and food allergens affects many patients worldwide [...].
January 15, 2018: Veterinary Sciences
https://www.readbyqxmd.com/read/29332927/the-response-of-common-marmoset-immunity-against-cedar-pollen-extract
#18
Yuko Yamada, Shuji Takabayashi, Hideki Kato, Kenji Ishiwata, Naohiro Watanabe, Erika Sasaki, Sonoko Habu
The in vivo model of pollinosis has been established using rodents, but the model cannot completely mimic human pollinosis. We used Callithrix jacchus, the common marmoset (CM), to establish a pollinosis animal model using intranasal weekly administration of cedar pollen extract with cholera toxin adjuvant. Some of the treated CMs exhibited the symptoms of snitching, excess nasal mucus and/or sneezing, but the period was very short, and the symptoms disappeared after several weeks. The CD4+CD25+ cell ratio in the peripheral blood increased in CMs quickly after the nasal administration of cedar pollen extract, but the timing was not parallel with the symptoms...
January 15, 2018: Bioscience Trends
https://www.readbyqxmd.com/read/29319881/systemic-il-2-anti-il-2ab-complex-combined-with-sublingual-immunotherapy-suppresses-experimental-food-allergy-in-mice-through-induction-of-mucosal-regulatory-t-cells
#19
Paola L Smaldini, Fernando Trejo, José L Cohen, Eliane Piaggio, Guillermo H Docena
Therapeutic tolerance restoration has been proven to modify food allergy in patients and animal models and although sublingual immunotherapy (SLIT) has showed promise, combined therapy may be necessary to achieve a strong and long-term tolerance. In this work, we combined SLIT with systemic administration of IL-2 associated with an anti-IL-2 monoclonal antibody (IL-2/anti-IL-2Ab complex or IL-2C) to reverse the IgE-mediated experimental allergy. Balb/c mice were sensitized with cholera toxin and milk proteins and orally challenged with allergen to elicit hypersensitivity reactions...
January 10, 2018: Allergy
https://www.readbyqxmd.com/read/29318625/consensus-document-on-dog-and-cat-allergy
#20
REVIEW
Ignacio Davila, Javier Domínguez-Ortega, Ana Mª Navarro Pulido, Alicia Alonso, Dario Antolin-Amerigo, Eloina González-Mancebo, Cristina Martin Garcia, Beatriz Nuñez-Acevedo, Nieves Prior, Marta Reche, Ana Rosado, Javier Ruiz-Hornillos, María Cesárea Sánchez, Miguel Torrecillas
The prevalence of sensitisation to dogs and cats varies by country, exposure time and predisposition to atopy. It is estimated that, 26% of European adults coming to the clinic for suspected allergy to inhalant allergens are sensitised to cats and 27% to dogs. This document is intended to be a useful tool for clinicians involved in the management of people with dog or cat allergy. It was prepared from a consensus process based on the RAND/UCLA method. Following a literature review, it proposes various recommendations concerning the diagnosis and treatment of these patients, grounded in evidence and clinical experience...
January 10, 2018: Allergy
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