Document Detail


Ultrasound and Cisplatin Combined Treatment of Human Melanoma Cells A375-the Study of Sonodynamic Therapy.
MedLine Citation:
PMID:  22502893     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Sonodynamic therapy, an effect of low-power ultrasound field and the anticancer drug cisplatin, was studied in vitro on human melanoma cells A375. The viability of cells has been studied by standard 3-(4,5-dimethylthiazol-2-Yl)-2,5-diphenyltetrazolium bromide viability assay according to different modes of treatment: application of cisplatin alone, exposure of ultrasound field alone, exposure to ultrasound followed by cisplatin and application of cisplatin followed by exposure to ultrasound. Ultrasound was used at a therapeutic intensity of 1 W∙cm(-2) for 10 min. Concentration of cisplatin in the cell suspension was always 2.3 μM. The results show that sonodynamic therapy is one of the possibilities of how to intensify standard cytostatic therapy. This conclusion is supported by reducing the viability of studied cells, especially 72 h after the treatment. The time sequence of application of ultrasonic field and cytostatics appears to be a significant factor affecting the changes in cell viability. Maximum suppression of viability has been found when applying the experimental design involving application of cisplatin followed by exposure to ultrasound; the final value of viability of combined affected cells was more than 10% lower than for cisplatin treatment alone.
Authors:
Vladan Bernard; Vojtěch Mornstein; Jiřina Skorpíková; Josef Jaroš
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-4-13
Journal Detail:
Title:  Ultrasound in medicine & biology     Volume:  -     ISSN:  1879-291X     ISO Abbreviation:  -     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-4-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0410553     Medline TA:  Ultrasound Med Biol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 World Federation for Ultrasound in Medicine & Biology. Published by Elsevier Inc. All rights reserved.
Affiliation:
Department of Biophysics, Faculty of Medicine, Masaryk University, Brno, Czech Republic.
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