简介：Thymoquinone(TQ),anactivecomponentderivedfromthemedialplantNigellasativa,hasbeenusedformedicalpurposesformorethan2000years.RecentstudieshavereportedthatTQblockedangiogenesisinanimalmodelandreducedmigration,adhesion,andinvasionofglioblastomacells.WehaverecentlyshownthatTQcouldexhibitapotentcytotoxiceffectandinduceapoptosisinmouseneuroblastoma(Neuro-2a)cells.Inthepresentstudy,TQtreatmentmarkedlydecreasedtheadhesionandmigrationofNeuro-2acells.TQdown-regulatedMMP-2andMMP-9proteinexpressionandmRNAlevelsandtheiractivities.Furthermore,TQsignificantlydown-regulatedtheproteinexpressionoftranscriptionfactorNF-κB(p65)butnotsignificantlyalteredtheexpressionofN-Myc.Takentogether,ourdataindicatedthatTQ'sinhibitoryeffectonthemigrationofNeuro-2acellswasmediatedthroughthesuppressionofMMP-2andMMP-9expression,suggestingthatTQtreatmentcanbeapromisingtherapeuticstrategyforhumanmalignantneuroblastoma.