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https://www.readbyqxmd.com/read/28732432/intradermal-skin-testing-in-allergic-rhinitis-and-asthma-with-negative-skin-prick-tests
#1
Fuat Erel, Nurhan Sarioglu, Mehmet Kose, Mustafa Kaymakci, Mucahide Gokcen, Ahmet Hamdi Kepekci, Mehmet Arslan
Taking medical history, physical examination, and performing some in vivo and in vitro tests are necessary for the diagnosis of allergy. Skin prick test (SPT) is considered as the standard method and first-line approach for the detection of allergic sensitization. Although mainly SPT is used for the detection of allergic sensitization, intradermal skin test (IDST) may be necessary, especially in patients with a negative SPT result. IDST is quite safe; however, is nowadays seldom used for detection of inhalant allergy and its value remains controversial...
June 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28722633/characterization-of-sarcoptes-scabiei-tropomyosin-and-paramyosin-immunoreactive-allergens-in-scabies
#2
Shumaila Naz, Marion Desclozeaux, Kate E Mounsey, Farhana Riaz Chaudhry, Shelley Walton
Scabies is a human skin disease due to the burrowing ectoparasite Sarcoptes scabiei var. hominis resulting in intense itching and inflammation and manifesting as a skin allergy. Because of insufficient mite material and lack of in vitro propagation system for antigen preparation, scabies is a challenging disease to develop serological diagnostics. For allergen characterization, full-length S. scabiei tropomyosin (Sar s 10) was cloned, expressed in pET-15b, and assessed for reactivity with IgE antibodies from human sera...
July 10, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28716804/type-i-interferon-is-required-for-t-helper-th-2-induction-by-dendritic-cells
#3
Lauren M Webb, Rachel J Lundie, Jessica G Borger, Sheila L Brown, Lisa M Connor, Adam Nr Cartwright, Annette M Dougall, Ruud Hp Wilbers, Peter C Cook, Lucy H Jackson-Jones, Alexander T Phythian-Adams, Cecilia Johansson, Daniel M Davis, Benjamin G Dewals, Franca Ronchese, Andrew S MacDonald
Type 2 inflammation is a defining feature of infection with parasitic worms (helminths), as well as being responsible for widespread suffering in allergies. However, the precise mechanisms involved in T helper (Th) 2 polarization by dendritic cells (DCs) are currently unclear. We have identified a previously unrecognized role for type I IFN (IFN-I) in enabling this process. An IFN-I signature was evident in DCs responding to the helminth Schistosoma mansoni or the allergen house dust mite (HDM). Further, IFN-I signaling was required for optimal DC phenotypic activation in response to helminth antigen (Ag), and efficient migration to, and localization with, T cells in the draining lymph node (dLN)...
July 17, 2017: EMBO Journal
https://www.readbyqxmd.com/read/28716168/a-randomized-double-blind-placebo-controlled-trial-of-sublingual-immunotherapy-with-house-dust-mite-extract-for-allergic-rhinitis
#4
Yu Guo, Yanqing Li, Dehui Wang, Quan Liu, Zhuofu Liu, Li Hu
OBJECTIVE: This study was designed to evaluate the efficacy and safety of sublingual immunotherapy (SLIT) with house-dust mite (HDM) extract in Chinese patients with HDM-induced allergic rhinitis (AR). METHODS: A randomized, double-blind, placebo controlled trial was conducted with the outpatients of the Eye, Ear, Nose, and Throat Hospital, Fudan University. Forty-eight patients were eligible for randomization to SLIT with a mixture of Dermatophagoides pteronyssinus and Dermatophagoides farinae extract or placebo for 1 year...
July 1, 2017: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28709967/advances-in-asthma-2016-designing-individualized-approaches-to-management
#5
William C Anderson, Andrea Apter, Cullen M Dutmer, Daniel A Searing, Stanley J Szefler
In this years Advances in Asthma review we discuss viral infections in asthma and potential therapeutic agents, the microbiome, novel genetic associations with asthma, air quality and climate effects on asthma, exposures during development and long term sequelae of childhood asthma, patient centered outcome research, and precision medicine. In addition, we discuss application of biomarkers to precision medicine, and new information on asthma medications. New evidence indicates that rhinovirus-triggered asthma exacerbations become more severe as the degree of sensitization to dust mite and mouse increase...
July 11, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28701643/guide-to-allergen-immunotherapy-for-mite-allergy
#6
Minoru Gotoh
No abstract text is available yet for this article.
2017: Arerugī, [Allergy]
https://www.readbyqxmd.com/read/28697661/safety-of-a-proteoliposome-from-neisseria-meningitides-as-adjuvant-for-a-house-dust-mite-allergy-vaccine
#7
Wendy Ramírez, Virgilio Bourg, Damaris Torralba, Elisa Facenda, Beatriz Tamargo, Bárbara O González, Gustavo Sierra, Oliver Pérez, Yordanis Perez-Llano, Alexis Labrada
The proteoliposome (PL) of Neisseria meningitidis serogroup B has been reported as a safe and potent vaccine adjuvant, inducing a TH1-skewed response. The present study describes a pre-clinical safety evaluation of an allergy therapeutic vaccine candidate based on purified allergens from Dermatophagoides siboney house dust mite and PL as adjuvant, both components adsorbed onto aluminum hydroxide gel. Two separate studies of acute toxicity evaluation were performed in mice and rabbits, and two repeat-dose studies were conducted in non-sensitized and allergen-sensitized Balb/c mice, respectively...
December 2017: Journal of Immunotoxicology
https://www.readbyqxmd.com/read/28687424/identification-by-serological-proteome-analysis-of-paramyosin-as-prominent-allergen-in-dust-mite-allergy
#8
Antonio Conti, Giulia Burastero, Claudia Suli, Srinita Banerjee, Susanne Vrtala, Massimo Alessio, Samuele E Burastero
Component-resolved diagnosis (CRD) of IgE-mediated hypersensitivities is challenged by the possibility that single patients are sensitized to components not commercially available to the clinical lab. Here, we studied a patient with positive extract-based diagnosis of house dust mite (HDM) allergy based on routine in vivo (prick test) and in vitro (serum specific IgE) tests, whose serum scored negative for IgE to the three recombinant allergens routinely used in CRD (group 1 allergens, group 2 allergens and tropomyosin)...
July 4, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28684084/specific-immunotherapy-in-allergic-rhinitis
#9
G Mortuaire, J Michel, J F Papon, O Malard, D Ebbo, L Crampette, R Jankowski, A Coste, E Serrano
Allergic rhinitis is a common condition, with significant impact on quality of life depending on severity and quality of control. Allergen-specific immunotherapy (allergen-SIT) is the only known treatment able to alter the natural course of allergic rhinitis. Although well known to allergologists, it has yet to be fully adopted by the ENT community. This review, based on the most recent meta-analyses and clinical studies, shows that SIT significantly reduces symptoms and medication requirements (nasal corticosteroids, H1-antihistamines) in allergic rhinitis...
July 3, 2017: European Annals of Otorhinolaryngology, Head and Neck Diseases
https://www.readbyqxmd.com/read/28681969/botolinum-toxin-in-rhinitis-literature-review-and-posterior-nasal-injection-in-allergic-rhinitis
#10
Edward Zhiyong Zhang, Sophocles Tan, Ian Loh
BACKGROUND: Current pharmacological management of allergic rhinitis (AR) varies in onset, duration, symptom control, and requires frequent administration. Single-dose botulinum toxin (BTX) has been documented in various trials as a treatment option in rhinitis. OBJECTIVE: We review the current literature on the use of BTX in rhinitis and investigate the efficacy and safety profile of a novel intranasal injection site for AR control. STUDY DESIGN: Single-arm pilot study...
July 6, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28680374/the-role-of-lipids-in-development-of-allergic-responses
#11
REVIEW
Manuel Gómez Del Moral, Eduardo Martínez-Naves
Most allergic diseases are caused by activation of Th2 type immune responses resulting in the production of specific IgE against proteins found in normally harmless substances such as pollen, mites, epithelia or food. Allergenic substances are composed, in addition to proteins, of other compounds such as carbohydrates and lipids. Those lipids are able to promote the development of Th2-type responses associated with allergy. There are lipids found in pollen, milk or insect venom that are specifically recognized by CD1 restricted unconventional T lymphocytes, which can promote allergic reactions...
June 2017: Immune Network
https://www.readbyqxmd.com/read/28668242/cockroach-allergen-exposure-and-plasma-cytokines-among-children-in-a-tropical-environment
#12
Brock H Medsker, Erick Forno, Yueh-Ying Han, Edna Acosta-Pérez, Angel Colón-Semidey, Maria Alvarez, John F Alcorn, Glorisa J Canino, Juan C Celedón
BACKGROUND: Little is known about the effects of socioeconomic status or cockroach allergen on immune responses in school-age children, particularly in tropical environments. OBJECTIVE: To examine whether cockroach allergen and/or socioeconomic status is associated with plasma cytokine levels in Puerto Rican children. METHODS: This was a cross-sectional study of 532 children (6-14 years old) with (n = 272) and without (n = 260) asthma in San Juan (Puerto Rico)...
July 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28668111/a-10-year-experience-of-a-novel-and-safe-modified-environmental-rush-immunotherapy-protocol
#13
Merritt L Fajt, Stacy L Rosenberg, Emmanuelle Yecies, Russell S Traister, Andrej A Petrov
BACKGROUND: Allergen immunotherapy (AIT) is an effective treatment option for allergic rhinitis. Although conventional AIT takes 6 months to reach maintenance dosing, rush AIT accelerates the build-up period and reaches the maintenance dose months earlier. However, accelerated schedules of AIT carry an increased risk of systemic reactions (SR). OBJECTIVE: We aimed to describe a novel 1-day, eight-step modified environmental rush immunotherapy (MERIT) protocol, characteristics of the patients who underwent this therapy, and the safety of this procedure...
July 1, 2017: Allergy and Asthma Proceedings:
https://www.readbyqxmd.com/read/28667161/cd36-and-platelet-activating-factor-receptor-promote-house-dust-mite-allergy-development
#14
Preeyam S Patel, John F Kearney
Over 89% of asthmatic children in underdeveloped countries demonstrate sensitivity to house dust mites (HDMs). The allergic response to HDMs is partially mediated by epithelial cell-derived cytokines that activate group 2 innate lymphoid cells, induce migration and activation of dendritic cells, and promote effector differentiation of HDM-specific TH2 cells. However, the contribution of innate receptor engagement on epithelial or dendritic cells by HDMs that ultimately mediates said innate and adaptive allergic responses is poorly understood...
June 30, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28660739/pooled-efficacy-and-safety-data-for-house-dust-mite-sublingual-immunotherapy-tablets-in-adolescents
#15
Tomokazu Matsuoka, David I Bernstein, Keisuke Masuyama, Hendrik Nolte, Kazuhiro Okamiya, Dorthe Seitzberg, Harold S Nelson
BACKGROUND: House dust mite (HDM) respiratory allergy is a common and burdensome disease in children and adolescents. There are few HDM allergy immunotherapy trials in children with perennial allergic rhinitis. This post hoc analysis used pooled data to evaluate efficacy and safety of the SQ HDM sublingual immunotherapy (SLIT) tablet in adolescents (12-17 years). METHODS: In 2 double-blind, placebo-controlled trials conducted in North America and Japan, respectively, subjects aged 12+ years with HDM allergic rhinitis were randomized to up to one year of treatment...
June 29, 2017: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/28658723/sensitization-to-10-mites-in-a-tropic-area-der-p-and-der-f-are-important-risk-factor-for-sensitization-to-other-mites-from-pyroglyphidae-acaridae-chortoglyphidae-and-glyciphagidae-families
#16
Jorge Sánchez, Víctor Calvo, Andrés Sánchez, Susana Díez, Ricardo Cardona
BACKGROUND: Much is known about the frequency of sensitization to Blomia tropicalis, Dermatophagoides pteronyssinus and Dermatophagoides farinae, although less is known about sensitization to other species and their possible interactions. OBJECTIVE: In patients with allergic manifestations, to evaluate the frequency of sensitization to 10 species of mites in a tropical area and their possible interactions. METHODS: Cross-sectional study. Sensitization was evaluated by skin tests...
April 2017: Revista Alergia Mexico: Organo Oficial de la Sociedad Mexicana de Alergia e Inmunología, A.C
https://www.readbyqxmd.com/read/28654197/allergic-risks-of-consuming-edible-insects-a-systematic-review
#17
REVIEW
José Carlos Ribeiro, Luís Miguel Cunha, Bernardo Sousa-Pinto, João Fonseca
The expected future demand for food and animal-derived protein will require environment-friendly novel food sources with high nutritional value. Insects may be one of such novel food sources. However, there needs to be an assessment of the risks associated with their consumption, including allergic risks. Therefore, we performed a systematic review aiming to analyse current data available regarding the allergic risks of consuming insects. We reviewed all reported cases of food allergy to insects, and studied the possibility of cross-reactivity and co-sensitisation between edible insects, crustaceans and house dust mites...
June 27, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28653989/allergens-with-protease-activity-from-house-dust-mites
#18
REVIEW
Manuel Reithofer, Beatrice Jahn-Schmid
Globally, house dust mites (HDM) are one of the main sources of allergens causing Type I allergy, which has a high risk of progressing into a severe disabling disease manifestation such as allergic asthma. The strong protease activities of a number of these allergens are thought to be involved in several steps of the pathophysiology of this allergic disease. It has been a common notion that protease activity may be one of the properties that confers allergenicity to proteins. In this review we summarize and discuss the roles of the different HDM proteases in the development of Type I allergy...
June 27, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28614408/schistosoma-japonicum-infection-downregulates-house-dust-mite-induced-allergic-airway-inflammation-in-mice
#19
Sugan Qiu, Xiaolin Fan, Yingying Yang, Panpan Dong, Wei Zhou, Yongliang Xu, Yonghua Zhou, Fukun Guo, Yi Zheng, Jun-Qi Yang
The "hygiene hypothesis" is a theory try to explain the dramatic increases in the prevalence of autoimmune and allergic diseases over the past two to three decades in developed countries. According to this theory, reduced exposure to parasites and microorganisms in childhood is the main cause for the increased incidences of both T helper 1 (Th1)-mediated autoimmunity and Th2-mediated allergy. In this study, we investigated the impact of Schistosoma japonicum infection on the allergic airway inflammation induced by repeated intracheal inoculations of house dust mites (HDM), which is a Th17 and neutrophils dominant murine asthma model, mimicking severe asthma...
2017: PloS One
https://www.readbyqxmd.com/read/28599992/natural-history-of-skin-prick-test-reactivity-a-20-year-prospective-study-of-a-random-population-sample-of-children-and-adolescents
#20
Jesper Schou Nielsen, Howraman Meteran, Charlotte Suppli Ulrik, Celeste Porsbjerg, Vibeke Backer
BACKGROUND: Allergic reactions to airborne allergens may have important consequences for affected individuals and are believed to be unstable through life, although evidence from longitudinal studies is limited. OBJECTIVE: To assess changes in skin prick reactivity during 20 years in a random population sample of children and adolescents in relation to symptoms of rhinitis. METHODS: A total of 983 individuals, aged 7 to 17 years, were randomly selected in 1986 and invited to 4 examinations during a 20-year period...
June 6, 2017: Annals of Allergy, Asthma & Immunology
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