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The Nucleus

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Cytotoxicity and genotoxicity of silver nanoparticles in Chinese Hamster ovary cell line (CHO-K1) cells

  • Masoumeh Heshmati
  • Sepideh Arbabi BidgoliEmail author
  • Samideh Khoei
  • Aziz Mahmoudzadeh
  • Seyed Mehdi Rezayat Sorkhabadi
Original Article
  • 13 Downloads

Abstract

Biomedical and pharmaceutical products comprising silver nanoparticles are attracting interest due to their potent antibacterial activities. For their safe use it has become imperative to test their cyto-genotoxic potential. In the present study the cytotoxicity and genotoxicity of three different sizes of AgNPs ranging from 15 to 22 nm and at concentrations 0.005–500 μg/ml were studied in Chinese Hamster ovary cell line (CHO-K1) cells. Cytoxicity was assessed by MTT [3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide] assay and for genotoxicity comet, and micronucleus assays were utilized. AgNPs were able to internalize CHO-K1 cells and cause cytotoxicity at concentrations 0.005–500 μg/ml. AgNP‐induced cyto-genotoxicity in CHO-K1 cells could be attributed to its smaller primary size. AgNP-C of size ~ 15 nm was the most potent among the three AgNPs. The genotoxic response was biphasic that increased at lower concentrations (0.005–0.025 μg/ml) and decreased at higher concentrations (0.05–0.1 μg/ml) after 24 h of exposure. Such potential in vitro genotoxic effect of AgNPs remains to be further confirmed in animal cells in vivo.

Keywords

Silver nano particles DNA damage Micronuclei Cytotoxicity Cellular uptake 

Notes

Acknowledgements

Authors are thankful from Iran Nano Initiative Council (INIC) (Grant No. 1188) for financial support of present study.

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Copyright information

© Archana Sharma Foundation of Calcutta 2019

Authors and Affiliations

  • Masoumeh Heshmati
    • 1
    • 2
  • Sepideh Arbabi Bidgoli
    • 3
    Email author
  • Samideh Khoei
    • 4
  • Aziz Mahmoudzadeh
    • 5
  • Seyed Mehdi Rezayat Sorkhabadi
    • 6
  1. 1.Department of Molecular and Cellular Sciences, Faculty of Advanced Sciences and Technology, Tehran Medical SciencesIslamic Azad UniversityTehranIran
  2. 2.Pharmaceutical Sciences Research CenterPharmaceutical Sciences Branch, Islamic Azad University (IAUPS)TehranIran
  3. 3.Department of Toxicology and Pharmacology, Faculty of Pharmacy and Pharmaceutical Sciences, Tehran Medical SciencesIslamic Azad UniversityTehranIran
  4. 4.Medical Physics Department, School of MedicineIran University of Medical SciencesTehranIran
  5. 5.Novin Medical Radiation InstituteTehranIran
  6. 6.Department of Pharmacology, School of MedicineTehran University of Medical SciencesTehranIran

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