Research Article

Differential Susceptibility of Germ and Leydig Cells to Cadmium-Mediated Toxicity: Impact on Testis Structure, Adiponectin Levels, and Steroidogenesis

Table 2

Leydig cell absolute microstructural parameters obtained from the testis of control and exposed rats to four different Cd concentrations.

ParametersControlCd1Cd2Cd3Cd4

Nuclear diameter (μm)6.4 ± 0.25.88 ± 0.35.6 ± 0.95.5 ± 0.35.2 ± 0.3
Nuclear volume (μm3)146.2 ± 20.6121.1 ± 19.4113.2 ± 26.2108.3 ± 10.7101.1 ± 9.1
Cytoplasm volume (μm3)500.1 ± 105.1394.6 ± 135.9306.4 ± 108.1268.2 ± 98.6201.0 ± 150.3
Cell volume (μm3)646.3 ± 103.5515.7 ± 149.9419.6 ± 132.3376.5 ± 105.4302.1 ± 152.4
Cells per testis (×108)7.6 ± 2.210.8 ± 5.96.1 ± 3.68.4 ± 4.412.2 ± 4.7
Cells per testis gram (×108)6.1 ± 3.011.9 ± 6.77.0 ± 3.27.3 ± 3.513.4 ± 5.9
Nucleus/cytoplasm ratio21.4 ± 1.223.98 ± 5.328.5 ± 10.828.4 ± 11.331.7 ± 12.4

Control (CT): 0.9% saline; Cd1: 0.67 mg Cd/kg; Cd2: 0.74 mg Cd/kg; Cd3: 0.86 mg Cd/kg; and Cd4: 1.1 mg Cd/kg. Data are expressed as mean and standard deviation (mean ± SD). Statistical difference ( versus CT).