Inhibition of DNA synthesis by chromium compounds.

Abstract

Cr(VI) irreversibly inhibited DNA synthesis in cultured mouse L cells to 50% of controls at 10 microM; 3.3 mM Cr(III) did not. At 0.3 mM, Cr(III) and Cr(VI) inhibited DNA synthesis in permeabilized L cells to 50% of control values. Cr(III) was a stronger inhibitor of DNA synthesis in the DNA-Escherichia coli DNA polymerase I system than was Cr(VI). The… (More)

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