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KMID : 0338419980130010051
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The Korean Journal of Internal Medicine
1998 Volume.13 No. 1 p.51 ~ p.55
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Role of Circulating Immune Complex in Aspirin-sensitive Asthma
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Hae Sim Park/Hae Sim Park
Dong Ho Nahm
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Abstract
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Background & objectives: The pathogenic mechanism of aspirin-sensitive asthma (ASA-BA) remains to be further defined. To evaluate the role of circulating immune complex (CIC) in ASA-BA.
Subjects & Methods: We measured IgG- and IgA-IC level by ELISA using anti-C3 antibody in 33 ASA-BA patients whose sensitivity was confirmed by lysine-aspirin bronchoprovocation test, and compared with those of 74 allergic, 14 intrinsic asthma patients and 7 healthy controls.
Results: There was no significant difference in IgG-IC level among the four groups (p>0.05), while IgA-IC levels of aspirin-sensitive asthma were higher than those of other groups (p=0.0035). Patients with nasal polyp had significantly higher IgG-IC than those without it (p=0.02). No differences were found according to medication and symptom scores, and presence of atopy, rhino-sinusitis, urticaria or concurrent sensitivity to sulfite (p>0.05). Insignificant correlation was found between IgG-IC level and asthma duration, total IgE level, or circulating eosinophil count.
Conclusion: These findings suggest a possible contribution of IgG-IC to the development of nasal polyp in ASA-BA. Further study will be needed to clarify the role of IgA-IC in the pathogenesis of ASA-BA.
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KEYWORD
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circulating immune complex, aspirin-sensitive asthma, nasal polyp,
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