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The effect of cigarette smoke exposure on the development of bleomycin-induced pulmonary fibrosis in hamsters Kazuo Takada 1 , Shinobu Sato 1 , Hideki Ikeda 1 , Kazuhiro Osanai 1 , Akira Suwabe 1 , Hidenori Nakamura 1 , Keiji Takahashi 1 , Shoji Yasui 1 1The First Department of Internal Medicine, Yamagata University School of Medicine pp.423-427
Published Date 1988/4/15
DOI https://doi.org/10.11477/mf.1404205238
  • Abstract
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In this study, we evaluated the effect of cigarette smoke exposure on the development of pulmonary fibrosis induced by bleomycin. Intratracheal bleomy-cin produced pulmonary fibrosis in hamsters, but the exposure of bleomycin-treated animals to cigarette smoke also produced emphysema. Cigarette smoke alone developed no detectable histopathologic evid-ence of emphysema. In hamsters received cigarette smoke and bleomycin, the pressure-volume curve was shifted significantly upward and to the left of that of the bleomycin-treated group, and almost returned to that of the control group. These results suggest that intratracheal administration of bleomycin induced not only fibrotic but also emphysematous changes in the lungs of smoking hamsters.


Copyright © 1988, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1200 印刷版ISSN 0452-3458 医学書院

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