Table II.

Tubular atrophy in the mice kidneys for each group of mice as examined by slit-lamp microscopy.

	Tubular atrophy grade
Groups	Absent	Grade 1	Grade 2	Grade 3	Total
Sham-irradiated control group (C)	8	0	0	0	8
6 Gy group (RT)	0	4	2	4	10
Melatonin control group (M)	4	4	0	0	8
Genistein control group (G)	2	8	0	0	10
PEG-400 control group (PEG-400)	0	2	3	1	6
6 Gy+melatonin group (RT+M)	2	6	0	0	8
6 Gy+genistein group (RT+G)	0	5	1	0	6
Total	16	29	6	5	56

PEG-400, polyethylene glycol-400; RT, radiation therapy.