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Showing posts with label malignancy.. Show all posts
Showing posts with label malignancy.. Show all posts

Monday, March 11, 2013

Carbon Nanotubes Exposure Linked to Lung Tumor Formation in Mice

"Earlier today, at the annual meeting of the Society of Toxicology, NIOSH researchers reported preliminary findings from a new laboratory study in which mice were exposed by inhalation to multi-walled carbon nanotubes (MWCNT).  The study was designed to investigate whether these tiny particles have potential to initiate or promote cancer.  

By “initiate,” we mean the ability of a substance to cause mutations in DNA that can lead to tumors.  By “promote,” we mean the ability of a substance to cause cells that have already sustained such DNA mutations to then become tumors. "

See the NIOSH Science Blog