RNA, Small InterferingRNA InterferenceSequence Analysis, RNAGene SilencingBase SequenceTransfectionAlgorithmsCell Line, TumorGene Knockdown TechniquesNanoparticlesCell ProliferationPolyethyleneimineRNA-Induced Silencing ComplexApoptosisCell LineSignal TransductionDown-RegulationCells, CulturedBlotting, WesternRNA, Messenger