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Τετάρτη 19 Δεκεμβρίου 2018

Molecular study of hypersensitivity to spores in adults and children from Castile & Leon

Publication date: Available online 18 December 2018

Source: Allergologia et Immunopathologia

Author(s): A. Armentia, S. Martín-Armentia, A. Moral, D. Montejo, B. Martin-Armentia, R. Sastre, S. Fernández, A. Corell, D. Fernandez

Abstract
Introduction and objectives

Biological aerosols play a vital role in the interactions between the atmosphere, biosphere, climate and public health and fungal spores are a component with allergic importance.

We constructed a database in Castile & Leon (Spain) and carry out molecular-level component-resolved diagnosis to complete the air quality study carried out since 2006 by our aerobiological network (RACYL) to aid clinical diagnosis and treatment.

Methods

We reviewed a database of 19,774 patients (adults and children) with allergic respiratory disease treated in our unit during the last 12 years. We also made a component-resolved diagnosis of the molecules involved in the pathology in a randomly selected population of 150 patients.

Results

The dimeric glycoprotein Alt a1 from Alternaria is the most prevalent and most useful allergen in the diagnosis of patients with allergy to fungi in our area (94.4%), followed by enolase Alt a 6 (Alternaria), ribonuclease Asp f 1 of Aspergillus and mannitol dehydrogenase from Cla h 8 (Cladosporium).

Conclusions

Our results have helped determine which spore molecules are most-closely associated with allergies. Molecular analysis will be useful to determine more accurate and useful immunotherapy in these patients.



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