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Ole e 2 and Ole e 10: new clinical aspects and genetic restrictions in olive pollen allergy.
- Source :
-
Allergy . Mar2005, Vol. 60 Issue 3, p360-365. 6p. - Publication Year :
- 2005
-
Abstract
- The clinical characteristics in olive pollen allergy are dependent on the antigenic load, the allergens profile, and the genetic restrictions. Our objective was to determine specific response pattern in Ole e 2 and Ole e 10 sensitization at those levels.We studied 146 patients with seasonal rhinitis and/or asthma and positive prick test toOlea europaeapollen. IgE against Ole e 2 and Ole e 10 were detected by skin prick test and ELISA. HLA-DRB1 and HLA-DQB1 loci were typed by polymerase chain reaction sequence-specific primers method.A total of 102 (69.9%) and 79 (54.0%) patients showed significant IgE antibody response against Ole e 2 and Ole e 10, respectively. There was a significant association between Ole e 2 (OR 2.2,P = 0.04) and Ole e 10 reactivities (OR 2.8,P = 0.007) with asthma. In addition, total and specific IgE antibody levels significantly correlated with asthma (P < 0.05). Patients who reacted to both allergens reached the highest asthma risk factor (OR 4.3,P = 0.002). Phenotypic frequency of DR7 (OR 5.4,Pc = 0.003) and DQ2 (OR 3.6,Pc = 0.02) were increased in positive Ole e 2 patients compared with control subjects. DR2(15) phenotypic frequency was significantly increased (OR 5.6,Pc = 0.02) in positive Ole e 10 patients compared with control subjects.Our data suggest an association of Ole e 2 and Ole e 10 with bronchial asthma. Also, we found a genetic control of Ole e 2 and Ole e 10 IgE-specific responses that could be relevant to clinical disease in olive pollen allergy. [ABSTRACT FROM AUTHOR]
- Subjects :
- *CLINICS
*GENETICS
*POLLEN
*ALLERGIES
*ALLERGENS
*PATIENTS
Subjects
Details
- Language :
- English
- ISSN :
- 01054538
- Volume :
- 60
- Issue :
- 3
- Database :
- Academic Search Index
- Journal :
- Allergy
- Publication Type :
- Academic Journal
- Accession number :
- 15862348
- Full Text :
- https://doi.org/10.1111/j.1398-9995.2005.00698.x