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Basement membrane thickening and clinical features of children with asthma

 E. S. Kim  ;  S. H. Kim  ;  K.-E. Kim  ;  M. H. Sohn  ;  Y. S. Kim  ;  J. W. Park  ;  K. W. Kim 
 ALLERGY, Vol.62(6) : 635-640, 2007 
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BACKGROUND: Asthma is a chronic inflammatory disease, characterized by airway inflammation, bronchial hyper-responsiveness, and airway obstruction. Although asthma induces partially reversible airway obstruction, obstruction can sometimes become irreversible. This may be a consequence of airway remodeling, which includes a number of structural changes, such as epithelial detachment, basement membrane (BM) thickening, smooth muscle hypertrophy, and new vessel formation. This study evaluated children with asthma for the presence of BM thickening. METHODS: Eighteen children with asthma and 24 control subjects underwent flexible bronchoscopy with endobronchial biopsy. Light microscopy was used to measure BM thickness in paraffin-embedded biopsy sections. The association between BM thickening and age, sex, duration of asthma, asthma severity, FEV(1), FEV(1)/FVC, FEF(25-75%), methacholine PC(20), eosinophil count, and presence of atopy was examined. RESULTS: Basement membrane thickness was greater in subjects with asthma (8.3 +/- 1.4 microM) than in control subjects (6.8 +/- 1.3 microM, P = 0.0008). Multiple regression analysis revealed that sex, FEV(1)/FVC, total IgE, and atopy (IgE for Dermatophagoides pteronyssinus >0.34 kUA/l) were significant predictive factors for BM thickness. There was no significant association between BM thickness and age, duration of asthma, FEV(1), FEF(25-75%), methacholine PC(20), eosinophil count, or asthma severity. CONCLUSIONS: Basement membrane thickening has been known to be present in children with asthma. In addition, we report an association between BM thickness and sex, FEV(1)/FVC, total IgE, and the presence of IgE specific to D. pteronyssinus.
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1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Pediatrics (소아과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Kyung Won(김경원) ORCID logo https://orcid.org/0000-0003-4529-6135
Kim, Se Hoon(김세훈) ORCID logo https://orcid.org/0000-0001-7516-7372
Kim, Young Sam(김영삼) ORCID logo https://orcid.org/0000-0001-9656-8482
Kim, Eun Soo(김은수)
Park, Jung Won(박중원) ORCID logo https://orcid.org/0000-0003-0249-8749
Sohn, Myung Hyun(손명현) ORCID logo https://orcid.org/0000-0002-2478-487X
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