Systematic characterization of basophil anergy.
Allergy
; 72(3): 373-384, 2017 Mar.
Article
em En
| MEDLINE
| ID: mdl-27271846
ABSTRACT
BACKGROUND:
Cohort studies indicated that in certain individuals the basophils do not respond toward allergens due to a desensitization of their Fc epsilon receptor pathway. Cause and functional role as well as the implications on allergic reactions, however, are not clear yet.METHODS:
A cross-sectional study was carried out in the tropical urban environment of Singapore, where the allergic response is dominated by a single allergen (house dust mite; HDM). Blood samples were collected from 476 individuals and analyzed comprehensively to correlate the functional state of their basophils with the clinical state as well as the composition of the cellular and soluble plasma components.RESULTS:
Inactivation of basophils ('basophil anergy') was observed in about 10% of the cohort. It was associated with a downregulation of basophil Syk and an apparent reduction in the incidence of allergic rhinitis. Correlations on the cohort level suggest that it represents a transitional state to be passed through during the interconversion of responder and nonresponder state.CONCLUSIONS:
Basophil anergy thus seems to function as activation barrier to prevent unwanted reactions against minor allergens. It may therefore be relevant for diagnostic purposes or therapeutic interventions of allergic diseases.Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Basófilos
/
Anergia Clonal
Tipo de estudo:
Diagnostic_studies
/
Etiology_studies
/
Incidence_studies
/
Observational_studies
/
Prevalence_studies
/
Risk_factors_studies
Limite:
Animals
/
Humans
Idioma:
En
Revista:
Allergy
Ano de publicação:
2017
Tipo de documento:
Article
País de afiliação:
Singapura