oral picoplatin

Definition / meaning of oral picoplatin

An oral preparation of picoplatin, a third generation platinum compound with antineoplastic activity. Designed to overcome platinum drug resistance, picoplatin alkylates DNA, forming both inter- and intra-strand cross-linkages, resulting in inhibition of DNA replication and RNA transcription and the induction of apoptosis.Because of the increase in steric bulk around the platinum center, there is a relative reduction in the inactivation of picoplatin by thiol-containingspecies such as glutathione and metallothionein in comparison to cisplatin.

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Source(s):

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

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