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Atorvastatin mitigates testicular injuries induced by ionizing radiation in mice
Ramezan Ali Naeimi1, Fereshteh Talebpour Amiri2, Ali Reza Khalatbary2
1Student Research Committee, Mazandaran University of Medical Sciences, Sari, Iran; Department of Anatomy, Faculty of Medicine, Molecular and Cell Biology Research Center, Mazandaran University of Medical Sciences, Sari, Iran.
Background:
Radiotherapy in patients with pelvis malignancy causes testes irradiation and resulted in testicular damages. Atorvastatin (ATV) in the low-dose is considered as antioxidant and anti-inflammatory properties.
Objective:
This experimental study was investigated protective effects of ATV on irradiation-induced testicular injury.
Material And Methods:
Sixty male balb/c mice were randomly divided into 6 groups: 1: control, 2: irradiated (IR), 3, 4 and 5: IR plus ATV (10, 20 and 50mg/kg), 6: only ATV (50mg/kg). The ATV treated groups were received ATV for 7days via oral gavage before IR. Irradiated groups exposed to 2Gy whole body X-ray on day 8. Biochemical, histological and immunohistological parameters were evaluated for radioprotective effect of ATV.
Results:
In the ATV pretreatment in irradiated mice, MDA levels were significantly decreased compared with the IR group. The effect of all three doses of ATV caused reduced MDA level, but ATV to dose of 50mg/kg had more effect than other doses of ATV. Significant decrease in the concentration of testosterone was observed in only irradiated mice compared with the ATV plus irradiated. In addition, the histological examination showed Johnsen Score in the IR group was lower compared to ATV pretreated groups. ATV significantly reduced caspase-3 immunoreactivity induced by irradiation.
Conclusion:
The results from this study suggest that ATV at low dose has a protective effect against irradiation-induced testicular damage. This result provides a new indication of ATV for protection of testis during radiation therapy in treatment of cancer patients.
