article information

Zahedan Journal of Research in Medical Sciences: Vol.15, issue 11; e92801
published online: May 17, 2013
article type: Research Article
received: May 16, 2012
revised: June 21, 2012
accepted: August 22, 2012

Effect of Green Tea Extract in Reducing Genotoxic Injuries of Cell Phone Microwaves on Bone Marrow

authors:

avatar Zahra Zahedifar 1 , avatar Javad Baharara 1 , *

Department of Biology & Animal Development Applied Biology Research Center, Islamic Azad University, Mashhad Branch, Mashhad, Iran

how to cite: Zahedifar Z, Baharara J . Effect of Green Tea Extract in Reducing Genotoxic Injuries of Cell Phone Microwaves on Bone Marrow. Zahedan J Res Med Sci. 2013;15(11):e92801. 

Abstract

Background: Green tea (Camellia sinensis) extract is rich source of natural antioxidants specially catechin that is quickly absorbed into the body and it has cancer protective, anti microbial and anti inflammation effects. In this study has been studied role of green tea extract against genotoxic damage induced by cell phone microwaves on bone marrow polychromatic erythrocytes of adult male Balb/C mouse.
Materials and Methods: In this experimental study 40 mouse were divided into five groups, control animals were located under natural condition, sham -exposed animals were prepared by experimental condition without cell phone waves radiation. Experimental 1 group that irradiated at cell phones for 4 days (3 hours/day) and experimental 2 groups were injected intraperitoneal 100 mg/kg green tea extract for 5 days and experimental 3 group that irradiated at active mobile phones for 4 days (3 hours/day) and were injected intraperitoneal 100 mg/kg green tea extract for 5 days. After treatment period micronucleus test was evaluated in polychromatic erythrocytes on bone marrow. The quantitative data was analyzed by ANOVA and Tukey test with using of SPSS-13 software at the level of p<0.05.
Results: Based on this study, treatment with extracts of green tea decreased micronucleus frequency in bone marrow polychromatic erythrocytes of Balb/C mouse that irradiated at cell phone microwave (0.92±0.129), (p<0.001).
Conclusion: Cell phone microwaves (940 MHz) increased micronucleus on bone marrow polychromatic erythrocytes of male Balb/C mouse, but green tea had inhibitory effect and it decreased the average number of micronucleus.

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