Experimental Hypersensitivity Pneumonitis Induced by Fusarium kyushuense in Mice

A recently described Fusarium species, Fusarium kyushuense, was isolated from dead leaves of egg plant in a greenhouse where a female farmer who developed hypersensitivity pneumonitis (HP) with progressing lung lesions had been working. The freeze dried fungus was exposed to specific pathogen-free,...

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Bibliographic Details
Published in:Journal of Occupational Health 2000-05, Vol.42 (3), p.124-129
Main Authors: Harada, Koichi, Hara, Shinichiro, Takeya, Motohiro, Mahmoud, Yehia A.‐G., Ohmori, Shoko, Wei, Chang‐Nian, Nakagawa, Takenobu, Ueda, Atsushi
Format: Article
Language:English
Subjects:
Egg plant
Fusarium kyushuense
Greenhouse
Hypersensitivity pneumonitis
Mice
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Summary:A recently described Fusarium species, Fusarium kyushuense, was isolated from dead leaves of egg plant in a greenhouse where a female farmer who developed hypersensitivity pneumonitis (HP) with progressing lung lesions had been working. The freeze dried fungus was exposed to specific pathogen-free, 6-week-old female C57Black/6J mice under light ether anesthesia. Each mouse received 40 μl of the suspended fungal solution by dropping it onto its nostrils in 5 consecutive days a week for 4 wk. The control group received 40 μl of 0.1 M sterilized phosphate buffered saline. The mice were killed on the 4th day after the final exposure. The lung indices increased dose dependently in the fungus exposed mice groups. The specific IgG anti-F. kyushuense levels in sera of the high dose group were significantly higher than in the control group (P
ISSN:1341-9145
1348-9585
1348-9585
DOI:10.1539/joh.42.124