TNP-470, a methionine aminopeptidase-2 inhibitor, inhibits cell proliferation, migration and invasion of human cholangiocarcinoma cells in vitro

Asian Pac J Cancer Prev. 2012:13 Suppl:155-60.

Abstract

Methionine aminopeptidase-2 (MetAP2) is over-expressed in several cancers, including the cholangiocarcinoma (CCA). We reported previously suppressive effects of fumagillin, a MetAP2 inhibitor, on growth of CCA cell lines. In the present study, we evaluated the anti-proliferative and anti-invasive activities of TNP-470, a fumagillin analogue with higher MetAP2 inhibitory activity, on CCA cell lines (KKU-M213 and KKU-M214). TNP-470 significantly inhibited growth of both lines in a dose and time dependent fashion. Moreover, a sub-toxic dose of TNP-470 significantly reduced migration and invasion of CCA cells. Exploration of the molecular mechanisms by which TNP-470 inhibited growth and metastasis of CCA cell lines demonstrated expression of c-MYC, MMP2 and MMP9 to be decreased in TNP-470 treated cells. These results suggest that TNP-470 could be a potential therapeutic agent for CCA.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Aminopeptidases
  • Bile Duct Neoplasms
  • Bile Ducts, Intrahepatic
  • Cell Line, Tumor
  • Cell Proliferation* / drug effects
  • Cholangiocarcinoma*
  • Humans
  • Methionine

Substances

  • Methionine
  • Aminopeptidases