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:: Volume 18, Issue 4 (10-2020) ::
Int J Radiat Res 2020, 18(4): 743-751 Back to browse issues page
Destructive effects of therapeutic ultrasound and gold nanoparticles on a breast carcinoma tumor model in BALB/c mice
A. Shanei Ph.D., , M. Mirzaeiyan, H. Hejazi
Department of Medical Physics, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran , Shanei@med.mui.ac.ir
Abstract:   (178 Views)
Background: Acoustic cavitation which occurs at high intensities of ultrasound waves can be fatal for tumor cells; however, it can be used to destroy cancer cells as an efficient therapeutic method. On the other hand, it is known that the existence of nanoparticles in a liquid decreases the acoustic cavitation onset threshold. Materials and Methods: In this work, the combined effects of therapeutic ultrasound and gold nanoparticles (GNPs) on a breast carcinoma tumour model in BALB/c mice were studied. The tumour-bearing mice were divided into 4 groups (1) Control, (2) GNPs, (3) Ultrasound alone and (4) Ultrasound in the presence of GNPs. In groups 2 and 4, GNPs were injected into tumours. Therapeutic effects on tumours were evaluated by measuring relative tumour volume (RTV), doubling time (T2) and 5-folding time (T5) for tumours volume. Results: The T5 showed a significant difference between ultrasound in the presence of GNPs group and the other groups. The maximum T2 and T5 were found in the ultrasound in the presence of GNPs group. Conclusion: Combined effects of ultrasound and GNPs can be used as a method for increasing the therapeutic efficiency on tumor cells. 
Keywords: Acoustic cavitation, gold nanoparticle, breast tumor model, relative tumor volume.
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Type of Study: Original Research | Subject: Medical Physics
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Shanei A, Mirzaeiyan M, Hejazi H. Destructive effects of therapeutic ultrasound and gold nanoparticles on a breast carcinoma tumor model in BALB/c mice. Int J Radiat Res. 2020; 18 (4) :743-751
URL: http://ijrr.com/article-1-3287-en.html


Volume 18, Issue 4 (10-2020) Back to browse issues page
International Journal of Radiation Research
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