Table 4.
The number of spermatogenic cells in seminiferous tubules of male mice treated with cyclophosphamide (CP) and/or China dust (CD)
| Items | Group | ||||||
|---|---|---|---|---|---|---|---|
| NC | CP | CD40 | CP + CD20 | CP + CD40 | |||
| Stage II | Spermatogonia | 20.6 ± 2.88a | 7.2 ± 1.92** | 16.4 ± 3.44 | 4.4 ± 1.34**,† | 3.8 ± 1.48**,† | |
| Pachytene spermatocytes | 51.0 ± 9.14 | 29.6 ± 8.11** | 44.6 ± 5.86 | 18.8 ± 4.09**,† | 16.0 ± 3.67**,†† | ||
| Round spermatids | 134.0 ± 21.90 | 125.8 ± 9.55 | 122.4 ± 12.30 | 112.8 ± 9.86 | 106.0 ± 15.79* | ||
| Elongated spermatids | 180.0 ± 13.98 | 164.8 ± 22.53 | 165.8 ± 16.86 | 152.0 ± 31.99 | 157.0 ± 32.19 | ||
| Sertoli cells | 12.8 ± 1.92 | 11.8 ± 2.49 | 12.2 ± 2.28 | 12.2 ± 1.79 | 11.4 ± 2.07 | ||
| Stage V | Spermatogonia | 34.2 ± 4.44 | 8.2 ± 4.21** | 28.6 ± 4.51 | 6.0 ± 4.00** | 5.8 ± 3.27** | |
| Pachytene spermatocytes | 60.0 ± 7.11 | 34.4 ± 9.13** | 48.2 ± 3.77 | 21.2 ± 8.93** | 17.2 ± 5.72**,† | ||
| Round spermatids | 153.8 ± 20.78 | 106.6 ± 11.89** | 123.4 ± 11.72 | 102.0 ± 9.92** | 100.0 ± 7.07** | ||
| Elongated spermatids | 205.8 ± 21.70 | 173.4 ± 23.75 | 202.6 ± 20.92 | 158.2 ± 35.39* | 159.0 ± 40.08 | ||
| Sertoli cells | 13.6 ± 3.21 | 11.6 ± 1.14 | 13.0 ± 2.83 | 13.0 ± 1.58 | 11.2 ± 0.84 | ||
| Stage VII | Spermatogonia | 2.0 ± 0.71 | 2.0 ± 0.71 | 2.0 ± 0.71 | 1.6 ± 0.89 | 2.2 ± 0.84 | |
| Preleptotene spermatocytes | 45.8 ± 7.50 | 7.8 ± 1.92** | 37.6 ± 2.97 | 3.4 ± 2.19**,† | 2.6 ± 1.82**,†† | ||
| Pachytene spermatocytes | 55.0 ± 9.57 | 28.0 ± 14.63** | 42.8 ± 5.85 | 29.0 ± 8.00 | 22.0 ± 7.35 | ||
| Round spermatids | 155.4 ± 27.75 | 123.8 ± 14.20 | 132.2 ± 19.24 | 120.8 ± 28.49* | 112.8 ± 6.30* | ||
| Elongated spermatids | 231.0 ± 36.80 | 202.4 ± 12.90 | 218.8 ± 18.38 | 189.0 ± 34.58 | 181.0 ± 35.94 | ||
| Sertoli cells | 13.6 ± 1.34 | 13.2 ± 2.78 | 12.2 ± 1.92 | 12.4 ± 1.95 | 12.2 ± 1.92 | ||
| Stage XII | Spermatogonia | 2.2 ± 0.84 | 1.8 ± 0.84 | 2.0 ± 0.71 | 2.2 ± 0.84 | 1.8 ± 0.84 | |
| Zygotene spermatocytes | 50.8 ± 4.55 | 11.6 ± 2.88** | 46.8 ± 5.26 | 6.4 ± 1.52**,†† | 4.4 ± 2.19**,†† | ||
| Pachytene spermatocytes | 65.2 ± 6.22 | 37.8 ± 13.05** | 54.6 ± 5.18 | 43.8 ± 11.08** | 32.0 ± 11.05** | ||
| Elongated spermatids | 112.8 ± 13.37 | 101.0 ± 6.89 | 115.6 ± 6.80 | 103.4 ± 9.99 | 91.6 ± 7.13** | ||
| Sertoli cells | 11.4 ± 1.52 | 12.2 ± 1.30 | 12.0 ± 2.00 | 11.8 ± 1.92 | 12.2 ± 2.77 | ||
a Values are presented as means ± SD. *p < 0.05 vs. NC group; **p < 0.01 vs. NC group; †p < 0.05 vs. CP group; ††p < 0.01 vs. CP group, respectively