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A polymeric prodrug of cisplatin based on pullulan for the targeted therapy against hepatocellular carcinoma.

Abstract：

:A polymeric prodrug of cisplatin (CP) with simple chemical structure was synthesized based on pullulan and its therapeutic effects on human hepatocellular carcinoma (HCC) were studied in vitro and in vivo. Briefly, CP was linked to pullulan monosuccinate (SUPA) via coordination bond to form prodrug of CP-SUPA with the CP weight content of 18.7%. CP-SUPA exhibited in vitro sustained releases and strong interactions with genomic DNA. CP-SUPA could effectively inhibit the proliferation of HCC HepG2 cells by promoting the cell apoptosis and arresting the cell cycle, and showed a significantly higher cytotoxicity on HepG2 cells than that on human lung epithelial A549 cells. Compared to free CP, CP-SUPA obviously prolonged the survival times of Balb/c mice after intravenous injection at CP doses of 15 and 30 μmol/kg, and no signs of toxic effects in main tissues were detected by histologic examination. In MHCC-97H tumor-bearing nude mice, CP-SUPA was mainly distributed in the liver and the tumor after 24h post administration and evidently inhibited the tumor growth at CP doses of 3.5 and 7.0 μmol/kg. In conclusion, CP-SUPA was an ideal candidate of polymeric prodrug for the targeted therapy against HCC.

journal_name

Int J Pharm

journal_title

International journal of pharmaceutics

authors

Wang Y,Liu Y,Liu Y,Zhou W,Wang H,Wan G,Sun D,Zhang N,Wang Y

doi

10.1016/j.ijpharm.2015.02.027

subject

Has Abstract

pub_date

2015-04-10 00:00:00

pages

89-100

issue

1-2

eissn

0378-5173

issn

1873-3476

pii

S0378-5173(15)00123-4

journal_volume

483

pub_type

杂志文章

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