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Published on: May 28, 2014
Synthesis and anticancer activity of dichloroplatinum(II) complexes of podophyllotoxin
Xuan Liu1, Lin-Lin Zhang, Xiao-Hui Xu
1School of Pharmacy, Lanzhou University, Lanzhou 730000, China.
Abstract:
A series of dichloroplatinum(II) complexes of podophyllotoxin (PPT) were prepared, and their cytotoxicity against sensitive (A-549, HeLa, HCT-8, Hep-G2, K562) and resistant (ADM/K562) cell lines were evaluated. Complex cis-[4α-O-(2″,3″-diaminopropanoyl)-podophyllotoxin] dichloride platinum(II) (12) displayed most potent cytotoxicity with IC50 value in the range 0.071-2.98 μM. Complex 12 induces cell cycle arrest in the G2/M phase, and inhibits the formation of microtubules in HeLa cells. Furthermore, this complex exhibits potent DNA cleavage capabilities.
