期刊
AMERICAN JOURNAL OF PATHOLOGY
卷 178, 期 6, 页码 2587-2600出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ajpath.2011.02.040
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资金
- Department of Health
- Colt Foundation
- EC FP7 NAMDIATREAM [NMP-2009-246479]
- Science Foundation Ireland, as part of the CRANN CSET
- European Commission [HEALTH-2008-20157]
- Medical Research Council [G9900991B] Funding Source: researchfish
The fibrous shape of carbon nanotubes (CNTs) raises concern that they may pose an asbestos-like inhalation hazard, leading to the development of diseases, especially mesothelioma. Direct instillation of long and short CNTs into the pleural cavity, the site of mesothelioma development, produced asbestos-like length-dependent responses. The response to long CNTs and long asbestos was characterized by acute inflammation, leading to progressive fibrosis on the parietal pleura, where stomata of strictly defined size limit the egress of long, but not short, fibers. This was confirmed by demonstrating clearance of short, but not long, CNT and nickel nanowires and by visualizing the migration of short CNTs from the pleural space by single-photon emission computed tomographic imaging. Our data confirm the hypothesis that, although a proportion of all deposited particles passes through the pleura, the pathogenicity of long CNTs and other fibers arises as a result of length-dependent retention at the stomata on the parietal pleura. (Am J Pathol 2011, 178:2587-2600; DOI: 10.1016/j.ajpath.2011.02.040)
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