Shahabadi N, Zendehcheshm S, Khademi F. Selenium nanoparticles: Synthesis,
in-vitro cytotoxicity, antioxidant activity and interaction studies with ct-DNA and HSA, HHb and Cyt c serum proteins.
ACTA ACUST UNITED AC 2021;
30:e00615. [PMID:
33948440 PMCID:
PMC8080047 DOI:
10.1016/j.btre.2021.e00615]
[Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 03/29/2021] [Accepted: 04/06/2021] [Indexed: 12/18/2022]
Abstract
Spherical SeNPs with average size 134 nm were synthesized employing Vitamin C.
The synthesized SeNPs represented great antioxidant and anticancer activity.
The interaction of SeNPs with ct-DNA, HSA, HHb and Cyt c was investigated.
Nano-selenium can bind to ct-DNA through partial intercalation binding mode.
HSA, HHb and Cyt c could keep their biological activity even in the presence of Nano-selenium.
The aim of this study was the synthesis of selenium nanoparticles (SeNPs) employing vitamin C as a biocompatible and low toxic reducing agent. The synthesized selenium nanoparticles were characterized by using UV–vis, FT-IR, SEM-EDX, TEM, DLS, and zeta potential measurements. The results of the DPPH free radical scavenging assay demonstrate that this synthesized nano-selenium has strong potentials to scavenge the free radicals and cytotoxicity against MCF-7 and Raji Burkitt's lymphoma cancer cell lines. The interaction of calf thymus DNA (ct-DNA) with SeNPs indicated that the anticancer activity might be associated with the DNA-binding properties of nano-selenium. Finally, it was found that the synthesized nano-selenium can bind to the most important blood proteins such as human serum albumin (HSA), human hemoglobin (HHb), and Cytochrome c (Cyt c). The results showed that the secondary structure of these proteins remains unchanged, suggesting that the synthesized nano-selenium could be employed as a carrier in the drug delivery system without any cytotoxicity effect.
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