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Carcinogenic activity of particulate nickel compounds is proportional to their cellular uptake
Science (New York, N.Y.)
|July 25, 1980
Abstract:
Particles (less than or equal to 5 micrometers) of the potent carcinogen crystalline nickel subsulfide were actively phagocytized by cultures of Syrian hamster embryo cells and Chinese hamster ovary cells. Cells did not take up significant quantities of similar-sized particles of the noncarcinogen amorphous nickel monosulfide. The carcinogenic activity of this and other metal compounds appears to be proportional to their cellular uptake.