Table III.

Mean value of tubular atrophy for each group of mice.

Groups	Mean tubular atrophy value
Sham-irradiated control group (C)	0.12±0.35b,e,g
6-Gy group (RT)	2.00±0.94a,c,d,f,g
Melatonin control group (M)	0.50±0.53b,e
Genistein control group (G)	0.80±0.42b,e
PEG-400 control group (PEG-400)	1.83±0.75a,c,d,f,g
6 Gy+melatonin group (RT+M)	0.75±0.46b,e
6 Gy+genistein group (RT+G)	1.16±0.40a,b,e

PEG-400, polyethylene glycol-400; RT, radiation therapy. Values are presented as mean ± standard error for 7 mice in each group. P<0.05 compared to

^aC;

^bRT;

^cM;

^dG;

^ePEG;

^fRT+M;

^gRT+G.