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    Beneficial effects of aminoguanidine on radiotherapy-induced kidney and testis injury
    (Wiley, 2016) Ekici, K.; Temelli, O.; Parlakpinar, H.; Samdanci, E.; Polat, A.; Beytur, A.; Tanbek, K.
    This experimental study was designed to investigate both protective and therapeutic effects of aminoguanidine (AG), on radiotherapy (RT)-induced oxidative stress in kidney and testis. Forty rats were divided into five groups equally as follows: (i) control, (ii) RT, (iii) AG, (iv) AG+RT and (v) RT+AG group. Histopathological findings and biochemical evaluations, including tissue malondialdehyde (MDA), superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPX), glutathione (GSH), total oxidant status (TOS), total antioxidant capacity, oxidative stress index (OSI), blood urea nitrogen (BUN), serum creatinine (Cr) and testosterone levels, were determined. MDA, TOS and OSI were significantly higher in RT-treated groups, whereas SOD, CAT, GPX and GSH were significantly lower in these groups when compared with the control rats in the kidney and testis tissue. AG treatment significantly decreased MDA, TOS and OSI levels and increased SOD, CAT, GPX and GSH levels, when compared to the RT-treated groups in both kidney and testis tissue. BUN and Cr levels did not change among the groups, whereas testosterone levels were found as reduced in the RT-treated rats. AG treatment significantly augmented these hazardous effects of RT on testis tissue. According to our results, AG has beneficial effects against RT-induced kidney and testis injury.