Carmen Rondón1, Ibon Eguíluz-Gracia1, Mohamed H Shamji2, Janice A Layhadi2, María Salas1, María José Torres1, Paloma Campo3,4. 1. Allergy Unit, IBIMA-Regional University Hospital of Málaga, Málaga, Spain. 2. Immunomodulation and Tolerance Group, Allergy and Clinical Immunology, Inflammation, Repair and Development, MRC Asthma UK Centre Imperial College London, London, UK. 3. Allergy Unit, IBIMA-Regional University Hospital of Málaga, Málaga, Spain. campomozo@gmail.com. 4. Plaza Hospital Civil, 29009, Málaga, Spain. campomozo@gmail.com.
Abstract
PURPOSE OF REVIEW: IgE is a key player in multiple inflammatory airway diseases. Ample literature demonstrates its presence in mucosa of patients with allergic rhinitis (AR), local allergic rhinitis (LAR), asthma, or chronic rhinosinusitis with nasal polyposis (CRSwNP). RECENT FINDINGS: Current evidence shows that high-affinity IgE in blood stream of allergic individuals derives mainly from the mucosae. Also, mucosal synthesis of IgE can occur in the absence of systemic atopy, and may be relevant in atopic and non-atopic phenotypes of rhinitis as demonstrated in LAR. Specific IgE (sIgE) detection varies depending on technique used for sample collection and its measurement. sIgE detection is highly specific for diagnosis of LAR. Moreover, measurement of sIgE in secretions could be useful in monitoring response to allergen-specific immunotherapy in both AR and LAR phenotypes. This review will focus on recent developments in the role of IgE in respiratory diseases, and the clinical implications of its measurement in secretions.
PURPOSE OF REVIEW: IgE is a key player in multiple inflammatory airway diseases. Ample literature demonstrates its presence in mucosa of patients with allergic rhinitis (AR), local allergic rhinitis (LAR), asthma, or chronic rhinosinusitis with nasal polyposis (CRSwNP). RECENT FINDINGS: Current evidence shows that high-affinity IgE in blood stream of allergic individuals derives mainly from the mucosae. Also, mucosal synthesis of IgE can occur in the absence of systemic atopy, and may be relevant in atopic and non-atopic phenotypes of rhinitis as demonstrated in LAR. Specific IgE (sIgE) detection varies depending on technique used for sample collection and its measurement. sIgE detection is highly specific for diagnosis of LAR. Moreover, measurement of sIgE in secretions could be useful in monitoring response to allergen-specific immunotherapy in both AR and LAR phenotypes. This review will focus on recent developments in the role of IgE in respiratory diseases, and the clinical implications of its measurement in secretions.
Entities:
Keywords:
Allergen-specific immunotherapy; Allergic; IgE; Local allergic rhinitis; Rhinitis
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