Comparison between Effects of Free Curcumin and Curcumin Loaded NIPAAm-MAA Nanoparticles on Telomerase and PinX1 Gene Expression in Lung Cancer Cells

  • Badrzadeh, Fariba (Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences) ;
  • Akbarzadeh, Abolfazl (Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences) ;
  • Zarghami, Nosratollah (Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences) ;
  • Yamchi, Mohammad Rahmati (Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences) ;
  • Zeighamian, Vahide (Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences) ;
  • Tabatabae, Fateme Sadatem (Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences) ;
  • Taheri, Morteza (Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences) ;
  • Kafil, Hossein Samadi (Department of Drug Applied Research Center, Faculty of Medical Sciences, Tabriz University of Medical Sciences)
  • Published : 2014.11.06


Background: Herbal compounds such as curcumin which decrease telomerase and gene expression have been considered as beneficial tools for lung cancer treatment. In this article, we compared the effects of pure curcumin and curcumin-loaded NIPAAm-MAA nanoparticles on telomerase and PinX1 gene expression in a lung cancer cell line. Materials and Methods: A tetrazolium-based assay was used for determination of cytotoxic effects of curcumin on the Calu-6 lung cancer cell line and telomerase and pinX1 gene expression was measured with real-time PCR. Results: MTT assay showed that Curcumin-loaded NIPAAm-MAA inhibited the growth of the Calu-6 lung cancer cell line in a time and dose-dependent manner. Our q-PCR results showed that the expression of telomerase gene was effectively reduced as the concentration of curcumin-loaded NIPAAm-MAA increased while expression of the PinX1 gene became elevated. Conclusions: The results showed that curcumin-loaded-NIPAAm-MAA exerted cytotoxic effects on the Calu-6 cell line through down-regulation of telomerase and stimulation of pinX1 gene expression. NIPPAm-MAA could be good carrier for such kinds of hydrophobic agent.


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