The Morphological Features and Mitochondrial Oxidative Stress Mechanism of the Retinal Neurons Apoptosis in Early Diabetic Rats

Table 2

Activity comparison of T-SOD, Cu–Zn, and Mn SOD at 4, 8, and 12 weeks.

Group	Weeks	Rat number	Activity of SOD (U/mg)
			T-SOD	Cu–Zn SOD	Mn SOD
Control	4	6	161.002±9.996	113.884±9.07	47.118±5.018
	8	6	158.334±7.788	112.301±5.24	46.033±6.835
	12	6	163.333±5.369	117.52±7.982	45.813±6.858
Diabetic	4	6	143.656±4.981^a	109.793±7.468^c	33.863±6.909^b
	8	6	121.465±11.203^b	98.588±9.212^d	22.877±7.875^b
	12	6	98.202±11.813^b	78.168±12.180^b	20.034±6.796^b
𝐹 value			40.907	15.735	17.636
𝑃 value			0.000	<0.05	<0.05

Compared with the control group: a = 0.001; b = 0.000; c = 0.36; d = 0.003.