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Submitted: 29 Apr 2019
Accepted: 12 May 2019
ePublished: 25 Jun 2019
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Avicenna J Med Biochem. 2019;7(1): 16-20.
doi: 10.34172/ajmb.2019.04
  Abstract View: 2023
  PDF Download: 739

Research Article

The Expression of Antioxidant Genes and Cytotoxicity of Biosynthesized Cerium Oxide Nanoparticles Against Hepatic Carcinoma Cell Line

Ali Es-haghi 1* ORCID logo, Fatemeh Javadi 1, Mohammad Ehsan Taghavizadeh Yazdi 2, Mohammad Sadegh Amiri 3

1 Department of Biology, Mashhad Branch, Islamic Azad University, Mashhad, Iran
2 Medical Toxicology Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
3 Department of Biology, Payame Noor University, Tehran, Iran
*Corresponding Author: Ali Es-haghi (PhD), Department of Biology, Mashhad Branch, Islamic Azad University, Mashhad, Iran Email: eshaghi5510@ mshdiau.ac.ir; , Email: ashaghi@gmail.com

Abstract

Background: Drug resistance due to genetic variations renders many therapeutic methods such as surgery, radiotherapy, chemotherapy, and hormone therapy unsuccessful in eradicating cancerous cells. Nowadays, application of nanoparticles (NPs) has been promising in destroying cancerous cells without side effects on normal cells.

Objectives: This study aimed to investigate the antioxidant and anticancer effects of biosynthesized cerium oxide nanoparticles (CeO2 -NPs) on a hepatic carcinoma cell line.

Methods: MTT assay was used to determine the cytotoxicity of CeO2 -NPs in concentrations of 0, 15.6, 31.2, 62.5, 125, and 250 μg/mL after 24, 48, and 72 hours of incubation. Moreover, the expression levels of catalase (CAT) and superoxide dismutase (SOD) (the antioxidant genes) were investigated at different concentrations of CeO2 -NPs using real-time polymerase chain reaction (PCR).

Results: Our results showed a significant toxicity of the synthesized NPs against the cancerous liver cells. The IC50 calculated for CeO2 -NPs was 500 μg/mL at 24 hours of incubation. In addition, the expression levels of CAT and SOD significantly (P<0.05) increased upon the treatment of cells with CeO2 -NPs (500 µg /mL) compared to the untreated cells.

Conclusion: Considering the minimal effects of the biosynthesized CeO2 -NPs on normal cells and on the other hand their considerable toxicity against hepatic cancer cells, these NPs could be utilized in medicine and in the development of new drugs for cancer cells.

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