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Iranian Journal of Medical Physics، جلد ۱۵، شماره Special Issue-۱۲th. Iranian Congress of Medical Physics، صفحات ۴۶۵-۴۶۵
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عنوان انگلیسی The Effect of Folic Acid-Conjugated Coated Iron Oxide Nanoparticles in The Radiosensitization of Human Cervical Carcinoma Cell Line at Clinical Electron energies (6MeV)
چکیده انگلیسی مقاله Background and Purpose: The objective of this study was to investigate the therapeutic effect of Folic Acid-Conjugated polyglycerol coated iron oxide nanoparticles on the radiosensitivity of HeLa cells when irradiated with 6 MeV electron beams. Materials and Methods: Different concentrations of iron oxide nanoparticles (PG-SPIONs and FA-PG-SPIONs (25, 50, 100, 200 µg ml-1)) were synthesized by the thermal decomposition technique. The effect of PG-SPIONs and FA-PG-SPIONs in combination with radiation (2, 4, 6 Gy) on the viability of cells and cell survival were estimated using the trypan blue dye exclusion test and MTT assay immediately and 48 h after irradiations, respectively. Results: It was observed that the penetration rate of uptake for cells treated with > 50 µg ml-1 FA-PG-SPIONs was more than that of non-targeted nanoparticles. The data obtained by trypan blue dye exclusion test showed no significant reduction in cell viability for all groups in comparison with control group. The results revealed that increasing the radiation doses in the presence of the concentrations of the nanoparticles increased the value of radiosensitivity. The most radiosensitivity was obtained at the highest concentration of FA-PG-SPIONs (200 µg ml-1) as well as the longest radiation doses. Conclusion: It was revealed that higher concentrations of the FA-PG-SPIONs in combination with 6 MeV electron beams could enhance radiosensitization of HeLa cells.
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نویسندگان مقاله | Hamid Fakhimikabir
Department of Medical Physics and Medical Engineering, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran


| Mohamad Bagher Tavakoli
Department of Medical Physics and Medical Engineering, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran (Email:mbtavakoli1957@@gmail.com, Phone: 09102102414)


| Ali Zarrabi
Department of Biotechnology, Faculty of Advanced Sciences and Technologies, University of Isfahan, Isfahan, Iran


| Alireza Amouheidari
Department of Radiation Oncology, Milad Hospital, Isfahan, Iran


| Soheila Rahgozar
Department of Biology, Faculty of Sciences, University of Isfahan, Isfahan, Iran
نشانی اینترنتی http://ijmp.mums.ac.ir/article_13157.html
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