Airway inflammation and bronchial hyperresponsiveness in patients with asthma. Comparison between atopic and nonatopic asthma.

Y. Tanizaki, H. Kitani, M. Okazaki, T. Mifune, Fumihiro Mitsunobu, T. Okano, N. Honke, S. Tada, K. Takahashi, I. Kimura

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A relationship of cellular composition in the airways and the release of chemical mediators from the cells to bronchial hyperresponsiveness was examined in two age-matched asthma groups: 15 atopic and 15 nonatopic patients. 1. A significant correlation between the proportion of eosinophils in bronchoalveolar lavage (BAL) fluid and bronchial reactivity (BR) was found in patients with atopic and nonatopic asthma. The proportion of the cells (combined eosinophils and neutrophils) in BAL fluid was closely correlated with BR in patients with atopic asthma, but not in those with nonatopic asthma. There was no correlation between the proportion of BAL neutrophils and BR in the two asthma groups. 2. There was a significant correlation between histamine release from BAL cells and BR in patients with atopic asthma. In contrast, LTC4 release from BAL cells was significantly corrected with BR in patients with nonatopic asthma. The results suggest that the humoral and cellular components in the airways, that participate in bronchial hyperresponsiveness, are different between patients with atopic and nonatopic asthma.

Original languageEnglish
Pages (from-to)26-33
Number of pages8
JournalArerugī = [Allergy]
Volume42
Issue number1
Publication statusPublished - Jan 1993

Fingerprint

Asthma
Inflammation
Bronchoalveolar Lavage
Bronchoalveolar Lavage Fluid
Eosinophils
Neutrophils
Leukotriene C4
Histamine Release
Research Design

ASJC Scopus subject areas

  • Immunology and Allergy

Cite this

Airway inflammation and bronchial hyperresponsiveness in patients with asthma. Comparison between atopic and nonatopic asthma. / Tanizaki, Y.; Kitani, H.; Okazaki, M.; Mifune, T.; Mitsunobu, Fumihiro; Okano, T.; Honke, N.; Tada, S.; Takahashi, K.; Kimura, I.

In: Arerugī = [Allergy], Vol. 42, No. 1, 01.1993, p. 26-33.

Research output: Contribution to journalArticle

Tanizaki, Y, Kitani, H, Okazaki, M, Mifune, T, Mitsunobu, F, Okano, T, Honke, N, Tada, S, Takahashi, K & Kimura, I 1993, 'Airway inflammation and bronchial hyperresponsiveness in patients with asthma. Comparison between atopic and nonatopic asthma.', Arerugī = [Allergy], vol. 42, no. 1, pp. 26-33.
Tanizaki, Y. ; Kitani, H. ; Okazaki, M. ; Mifune, T. ; Mitsunobu, Fumihiro ; Okano, T. ; Honke, N. ; Tada, S. ; Takahashi, K. ; Kimura, I. / Airway inflammation and bronchial hyperresponsiveness in patients with asthma. Comparison between atopic and nonatopic asthma. In: Arerugī = [Allergy]. 1993 ; Vol. 42, No. 1. pp. 26-33.
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