期刊
ARCHIVES OF ENVIRONMENTAL & OCCUPATIONAL HEALTH
卷 68, 期 3, 页码 161-165出版社
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/19338244.2012.676105
关键词
ammonium perchlorate; collagen; pulmonary fibrosis
资金
- National Natural Science Foundation of China [30471441]
Ammonium perchlorate (AP) is a kind of inorganic chemical. To evaluate the potential pulmonary fibrosis caused by occupational exposure to this compound, 25 male rabbits were randomly allocated into 5 groups to receive AP or bleomycin or saline by intratracheal injection. All rabbits were sacrificed and lung tissues were removed to prepare hematoxylin and eosin (HE) staining for microscope observation and to perform electron microscopy examine. In microscope observation, AP-instilled lung tissue showed inflammatory infiltrates, alveolar collapse, subpleural thickening, and lymphocyte proliferation. Electron microscopy examination of lung tissue showed massive fibroblast accumulation, collagen fiber hyperplasia, and dense collagen deposition. The histopathological changes were considered as effective indicator linking to the development of pulmonary fibrosis. These results demonstrated that chronic instillation of AP can induce pulmonary fibrosis. And these results revealed that AP has pulmonary toxic effect.
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