Comparing the Effect of Physical Modalities on Permeabilisation of Cells to Bleomycin in Balb/C Mice

AUTHORS

BAHRAM YOUSEFIAN 1 , Mohammad Firoozabadi 1 , * , Manijheh Mokhtari-Dizaji 1

1 Department of Medical Physics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran

How to Cite: YOUSEFIAN B, Firoozabadi M, Mokhtari-Dizaji M. Comparing the Effect of Physical Modalities on Permeabilisation of Cells to Bleomycin in Balb/C Mice, Zahedan J Res Med Sci. 2012 ; 14(7):e93307.

ARTICLE INFORMATION

Zahedan Journal of Research in Medical Sciences: 14 (7); e93307
Published Online: February 13, 2012
Article Type: Research Article
Received: July 04, 2010
Accepted: April 10, 2011
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Abstract

Background: Some physical factors may facilitate the entry of chemotherapeutic drugs to the cells. In this study, permeability level of tumor cells of murine breast adenocarcinoma to Bleomycin was compared with 5 minutes ultrasonic exposure vs. magnetic field of 3.5 Tesla in Balb/c mice.
Materials and Methods: In this experimental-applied study, 80 five-week female Balb/c mice were purchased from Pasteur Institute of Tehran. After 10 days, skin tumors of mice were induced through Homograft, and they were randomly classified after tumor reached a treatable size. In ultrasound combination group, intratumoral injection of bleomycin was performed on anesthetized mice and three minutes later, the mice, which were placed in the sonication chamber, were put in a water tank in the exposure position, and the tumor was exposed to ultrasound for 5 minutes. In the magnetic field group, mice were placed in a handmade chamber after intratumoral injection of bleomycin. Three minutes after injection of bleomycin, eight pulses of 3.5 Tesla magnetic fields with 1Hz frequency were applied to each one of the tumors.
Results: It yield that, eight 3.5 Tesla pulses of magnetic field, was slightly more effective than 5 min ultrasonic irradiation in cells permeability to bleomycin, but these two physical factors had no statistically significant difference.
Conclusion: Tests showed that these two physical factors have similar effects and use of each depends on the position of the patient and the medical center's facilities.

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