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The development of MetAP-2 inhibitors in cancer treatment.

Abstract
Methionine aminopeptidases (MetAPs), which remove methionine residue from newly synthesized polypeptide chains, are a class of metalloproteases ubiquitously distributed in both eukaryotes and prokaryotes. MetAP-2 inhibition can induce G1 cell cycle arrest, cytostasis in tumor cells in vitro and inhibition of tumor growth in vivo. The discovery of fumagillin with potent antiangiogenic and antiproliferative activities promoted the development of fumagillin analogues as a novel class of anticancer agents. Early drug discovery efforts have focused on analogs of fumagillin, which irreversibly inhibit MetAP-2 through covalent modification of an epoxide. Several fumagillin analogs, like CKD-732, TNP-470 and PPI-2458, were found to be potent selective inhibitors of MetAP-2 (proteolytic activity) and endothelial cell proliferation. Further, they have entered in clinical trials for the treatment of different types of tumors. Recently, attention has been paid to reversible human MetAP-2 inhibitors, such as bengamides, 2-hydroxy-3-aminoamides, anthranilic acid sulfonamides and triazole analogs, which have demonstrated their potential to inhibit angiogenesis and tumor growth in vivo as well. This review article mainly discussed the development of MetAP-2 inhibitors in cancer therapy and also summarized their structure-activity relationships.
AuthorsS-Q Yin, J-J Wang, C-M Zhang, Z-P Liu
JournalCurrent medicinal chemistry (Curr Med Chem) Vol. 19 Issue 7 Pg. 1021-35 ( 2012) ISSN: 1875-533X [Electronic] Netherlands
PMID22229417 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't, Review)
Chemical References
  • Cyclohexanes
  • Enzyme Inhibitors
  • Fatty Acids, Unsaturated
  • Sesquiterpenes
  • fumagillin
  • Aminopeptidases
  • methionine aminopeptidase 2
  • Metalloendopeptidases
Topics
  • Aminopeptidases (antagonists & inhibitors, metabolism)
  • Cyclohexanes (chemistry, metabolism)
  • Drug Design
  • Enzyme Activation (drug effects)
  • Enzyme Inhibitors (chemistry, pharmacology)
  • Fatty Acids, Unsaturated (chemistry, metabolism)
  • Humans
  • Metalloendopeptidases (antagonists & inhibitors, metabolism)
  • Neoplasms (drug therapy)
  • Sesquiterpenes (chemistry, metabolism)
  • Structure-Activity Relationship

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