zidovudine

Definition / meaning of zidovudine

A synthetic dideoxynucleoside. After intracellular phosphorylation to its active metabolite, zidovudine inhibits DNA polymerase, resulting in the inhibition of DNA replication and cell death. This agent also decreases levels of available pyrimidines.

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Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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