Apoptosis 1 Article 1 DU145 cell line 1 Eupatorin IC50 1 LNCaP cell line 1 MTT assay 1 Nanoparticles 1 Prostate cancer 1 Western blotting 1 annexin 1 apoptosis 1 caspase 3 1 cell cycle assay 1 cell nucleus 1 cell viability 1 controlled study 1 cytotoxicity assay 1 drug delivery system 1 drug efficacy 1 drug release 1 encapsulation 1 eupatorin 1 evaluation study 1 human 1 human cell 1 in vitro study 1 iron oxide nanoparticle 1 male 1 nanoencapsulation 1