Inhibition of macromolecular synthesis by cryptophycin-52.

Abstract:

:Cryptophycin (CP)-52, a synthetic analog of CP-1, possesses potent and selective antiproliferative activity against human solid tumors both and. Based on an algorithm developed in this laboratory using HCT-116 human colon adenocarcinoma cells, CP-52 exhibited a time- and concentration-dependent antiproliferative effect in the clonogenic assay. Inhibition of both DNA and RNA synthesis was observed in the absence of any effect on protein synthesis following a 24-h exposure to CP-52, at a time when proliferating cells were arrested in the G2/M phase of the cell cycle. In summary, we interpret these data to indicate that the selective inhibition of DNA synthesis may be a major causative factor responsible for the antiproliferative activity of CP-52 and subsequent G2/M arrest.

journal_name

Anticancer Drugs

journal_title

Anti-cancer drugs

authors

Subramanian B,Nakeff A,Media JE,Wiegand RA,Valeriote FA

doi

10.1097/00001813-200211000-00010

subject

Has Abstract

pub_date

2002-11-01 00:00:00

pages

1061-8

issue

10

eissn

0959-4973

issn

1473-5741

journal_volume

13

pub_type

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