昆虫・ダニアレルギー症対策に関する基礎的研究 : 特に畳内に生息するダニ相について(ダニ)

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Seasonal changes in number of individuals and species of mites breeding in the straw mats (tatami) were studied from two homes with asthmatic children in Toyama, from March 1983 to June 1984. These included a reinforced concrete apartment building and a one-story wooden house. In the wooden house, 41 species of mites were identified, among which Tyrophagus putrescentiae were found to increase in the summer. Tarsonemus granarius and a species of Tydeidae were in abundance throughout the year. In the concrete apartment, 36 species of mites were identified. All the mite species increased in density in winter. Especially abundant were Acarus immobilis and Glycyphagus domestics. However, the pyroglyphid mites (Dermatophagoides), which are important as the allergen, were few in the numbers and it is presumed that do not live in tatami. The pure culture and mass productions were successful for Dermatophagoides farinae, D. pteronyssinus, Tyrophagus putrescentiae, Lardoglyphus konoi, Carpoglyphus lactis, Aleuroglyphus ovatus and a species of book lice (Psocoptera), and their'antigenicities were tested by RAST method in 10 asthmatic children and 5 non-atopic children as the controls. All asthmatic children showed high RAST values to D. farinae and D. pteronyssinus, and some of them (20-50% ) showed high RAST values to other mites also, but controls did not show any reactions to the mites. Cross-antigenicities among D. farinae and D. pteronyssinus were demonstrated by the radio-immunoelectrophoresis method.
日本家屋害虫学会の論文
1984-11-30

昆虫・ダニアレルギー症対策に関する基礎的研究 : 特に畳内に生息するダニ相について(ダニ)

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