Impact of Green-synthesized Copper Silver Nanoparticles Against Human Colon Cancer Cells Utilizing Sargassum muticum Extract in Terms of Cytotoxicity and Apoptosis

Abstract

Listen

Translate article

Background and Objectives Brown seaweed, Sargassum muticum, can grow up to a maximum length of 10 m. This study aimed to create novel bimetallic nanoparticles (NPs) by utilizing the entire plant extract. The bimetallic green-Ag-CuNPs was synthesized by using these substances extract of Sargassum muticum algae, copper oxide (CuO), silver (AgCl) by a reduction procedure and studied its toxic action against human colon cancer (HCT-116) cells. Methods SEM and TEM were used to measure the NPs’ size prior to the treatment of g-Ag-Cu NPs. The g-Ag-Cu nanoparticles had a circular shape and measured 46 ± 1 nm in size. MTT and NRU tests were used to assess the cytotoxicity of g-Ag-Cu NPs on HCT-116 cells. Results The results showed that the cytotoxicity of NPs increased in a concentration-dependent manner. The median inhibitory concentration (IC50) for HCT-116 cells at 24 h was determined to be 66.4 μg/ml based on the MTT result. At 50 µg/ml of g-Ag-Cu NPs, HCT-116 cells generated large amounts of intracellular ROS, induced caspase 3/7. Using Rhodamine123 labeling, the impact of NPs on mitochondrial membrane potential in HCT-116 cells was evaluated and it was highly compromised at 50 µg/ml of g-Ag-Cu NPs. Expression of apoptotic protein was assessed by using protein array methods and it was down and up regulated as per concentration of exposure of g-Ag-Cu NPs. Conclusion Our findings support the g-Ag-Cu NPs’ lethal effects on human colon cancer cells. We believe that because this nanoparticle increases cytotoxicity and triggers apoptosis, it may be useful as a supplement in the treatment of colon cancer.