Abstract Objectives This research aimed to examine the antitumor mechanisms of selenium nanoparticles (SeNPs) specifically against prostate cancers. Methods The antitumor activities of SeNPs against cancer cells were determined via MTT assay. The cell cycle was determined by detecting the DNA content. and apoptosis was determined via annexin V-Fluos staining kit. https://safeersappliancers.shop/product-category/hisense-pureflat-rf540n4wi1-fridge-freezer-stainless-steel/