Histopathological and Biochemical Comparative Study of Copper Oxide Nanoparticles and Copper Sulphate Toxicity in Male Albino Mice Reproductive System

Table 2

The percentage of immunoreactivity of Ki67 and CD68 proteins in male mice testes induced by treatment with copper nanoparticles and copper sulphate.

Parameter groups	Ki67 immunoreaction (mean ± SD)	CD68 immunoreaction (mean ± SD)
Control	45.00 ± 7.64^a	10.00 ± 2.89^a
25 mg/kg CuSO4	11.67 ± 1.67^b	31.67 ± 1.67^b
25 mg/kg CuO NPs	31.67 ± 1.67^c	13.33 ± 1.67^c
35 mg/kg CuSO4	8.33 ± 1.67^d	36.67 ± 4.41^d
35 mg/kg CuO NPs	35.00 ± 2.87^e	15.00 ± 5.00^e

Data represent the mean ± standard deviation (SD). Different letters represent a significant difference at .