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Seasonal variation of IgG subclass antibodies to house dust mite in sera from mite-sensitive asthmatic patients.

Authors
Nahm, DH; Park, HS; Kim, CW; Park, JW; Hong, CS
Citation
Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology, 80(5):411-415, 1998
Journal Title
Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology
ISSN
1081-12061534-4436
Abstract
BACKGROUND: House dust mite is an important cause of bronchial asthma. Seasonal variation of environmental house dust mite allergen levels and the specific IgE antibody to house dust mite have been reported.



OBJECTIVE: We studied the changes in IgG subclass antibodies to house dust mite associated with seasonal variation of house dust mite allergen levels in houses of mite-sensitive asthmatic patients.



METHODS: In 14 mite-sensitive asthmatic patients, house dust mite allergen (Der f 1) contents in bedding were measured monthly, and IgG subclass antibodies to house dust mite, Dermatophagoides farinae (D. farinae), were determined by enzyme-linked immunosorbent assay (ELISA) every 3 months from July to December.



RESULTS: The concentration of Der f 1 in dust from bedding reached maximum levels in August and September, and significantly decreased in November and December compared with August and September (P < .05). Levels of D. farinae-specific IgG4 antibodies significantly decreased in December compared with September (P .05). Levels of D. farinae-specific IgG2 antibodies decreased significantly in December compared with June (P < .05). The levels of IgG1 and IgG3 antibodies to D. farinae showed no significant differences during the study period.



CONCLUSION: These findings suggest that seasonal changes in natural exposure to house dust mite allergen might lead to concurrent changes in specific IgG4 antibodies to house dust mite in mite-sensitive asthmatic patients and each IgG subclass antibodies to house dust mite might have a different kinetics.
MeSH terms
AdolescentAdultAnimalsAntibodies/*classificationAsthma/*immunologyDustFemaleHumansImmunoglobulin G/*classificationMaleMites/*immunology*Seasons
PMID
9609612
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Allergy
AJOU Authors
남, 동호박, 해심
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