Description
Thiostreptonisathiazoleantibioticthatexhibitsantibacterialandanticancerproperties.Thiostreptoninhibitstheproteasome,binding23srRNA;itinhibitsphosphatereleaseafterGTPhydrolysisintheribosome,preventingtRNAtranslocationandturnoverandinhibitingelongationduringproteinsynthesis.ThiostreptonalsoinhibitstheexpressionofForkheadboxM1(FOXM1),anoncogenictranscriptionfactorinvolvedincellcycleprogressionandoxidativestressresponses.Thiscompoundalterstheelectrophoreticmobilityofperoxiredoxin3(PRX3),disablingmitochondrialantioxidativeactivitiesduringoxidativestress.