Absoluteconfigurationofpodophyllotoxoneanditsinhibitoryactivityagainsthumanprostatecancercells
ChineseJournalofNaturalMedicines
頁數(shù): 6 2015-01-20
摘要: Podophyllotoxone(1)wasisolatedfromtherootsofDysosmaversipellis.Thestructurewasdeterminedbyspectroscopicanalysisincombinationwithsingle-crystalX-rayanalysis.Theabsoluteconfigurationofcompound1wasassignedbasedontheFlackparameter.ItshowedsignificantinhibitoryactivitiesagainsthumanprostatecancercellsPC3andDU145withIC50valuesbeing14.7and20.6μmol·L-1,respectively.ItalsoarrestedthecellsatG2/Mphase.Tubulinpolymerizationassayshowedthatitinhibitedthetubulinpolymerizationinadose-dependentmanner,andmoleculardockinganalysisrevealedadifferentbindingmodewithtubulinascomparedwiththoseknowntubulininhibitors. (共6頁)