EAACI 2019

63 www.eaaci2019.org Monday, 3 June 2019 OA0063 Sensitization to holm oak and plane tree pollen and cross- reactivity patterns with grasses of a university student population in Évora, Portugal Celia M Antunes, Instituto de Ciências da Terra - ICT, Universidade de Évora, Portugal OA0064 Molecular sensitisation profile to Dermatophagoides pteronyssinus dust mite in Portugal Rita Limão, Serviço de Imunoalergologia, Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte, Portugal OA0065 Molecular data of pollen sensitization corresponds with pollen spectrum of Ukraine Victoria Rodinkova, National Pirogov Memorial Medical University, Vinnytsya, Ukraine OA0066 Evaluating the real exposure of allergics to airborne pollen: Too high, too early, too long or too complex? Athanasios Damialis, Chair and Institute of Environmental Medicine, UNIKA-T, Technical University of Munich and Helmholtz Zentrum München, Germany - German Research Center for Environmental Health, Germany ORAL ABSTRACT SESSION (OAS 12) 10:45 - 12:15 New perspectives from clinical trials in immunodeficiencies Hall 10 (FIL) Chairs: Isabella Quinti, Italy Gunnur Deniz, Turkey Session roadmap: Isabella Quinti, Italy OA0067 Association between severe IgA immunodeficiency and allergic and respiratory disorders in children Jelena živkovic, Srebrnjak Children’s Hospital, Croatia OA0068 Low dose azitromycin prophylaxis reduces respiratory exacerbations in primary antibody deficiencies: A multicenter, double-blind, placebo-controlled randomized clinical trial Cinzia Milito, Dpt of Molecular Medicine Sapienza University of Rome, Italy OA0069 BCG vaccine-associated complications and clinical course following allogeneic bone marrow transplantation in patients with primary immunodeficiency diseases Adeeb Nasser Eldin, Allergy & Clinical Immunology Unit, Hadassah-Hebrew University Medical Center, Israel OA0070 Impact of the route of immunoglobulin administration on health-related quality of life in patients with CVID: A prospective multicenter study Federica Pulvirenti, Department of Molecular Medicine, Sapienza University of Rome, Italy OA0071 Autoimmunity and lymphoproliferation: Different or converging phenotypes in common variable immunodeficiencies? Cláudia Varandas, Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Portugal ORAL ABSTRACT SESSION (OAS 13) 10:45 - 12:15 Molecular features of allergens Hall 11 (FIL) Chairs: Adriano Mari, Italy Rudolf Valenta, Austria Session roadmap: Adriano Mari, Italy OA0072 The crystal structure of the major olive pollen allergen Ole E 1 elucidates the dimeric nature of the allergen and explains its high allergenicity Judith Wortmann, University of Graz, Austria OA0073 Pru P 7 is a major peach allergen associated with cypress pollen sensitization and increased risk of severe reactions Caroline Klingebiel, Laboratoire Synlab Provence, France OA0074 Assessment of Tri a 14 sensitization in the routine allergological study: Analysis of currently available diagnostic tools efficiency Clara San Bartolomé Belloch, Hospital Clínic, Spain OA0075 N-terminal vicilin domains are major allergens in walnut Bo Pontoppidan, Thermo Fisher Scientific, Sweden OA0076 Intermolecular association of peanut allergens and the impact of thermal processing Abigail S Burrows, University of Nebraska, United States OA0077 CCD interference in the diagnosis of allergy to shellfish and parasitic helminths Wolfgang Hemmer, Floridsdorf Allergy Centre, Austria ORAL ABSTRACT SESSION (OAS 14) 10:45 - 12:15 Molecular mechanisms of allergic diseases Hall 12 (FIL) Chairs: Ibon Eguiluz-Gracia, Spain Enrico Heffler, Italy Session roadmap: Ibon Eguiluz-Gracia, Spain OA0078 Establishment of an allergic lung inflammation mouse model for pre-clinical testing of novel anti-human IgE drug candidates Pascal Gasser, University of Bern, Switzerland OA0079 MARCKS family proteins are altered in naturally occurring model of asthma in horses. Kaori Uchiumi Davis, North Carolina State University, United States OA0080 Metabolic characterization of epithelial barrier damage caused by Der P 1 Alma Villaseñor Solis, San Pablo CEU University, Spain