Fig. 6From: The effects of melatonin on colonization of neonate spermatogonial mouse stem cells in a three-dimensional soft agar culture systemExpression pattern of c-kit, Plzf, and ID4 genes after culture (with antioxidant) analyzed by real-time PCR. Levels of ID4 and Plzf in the antioxidant group had an increased value compared with the control group, but the level of c-kit in the antioxidant group had no significant differences compared with the control group. Data are expressed as means ± SD. **P ≤ 0.01, ***p ≤ 0.001. ns not significantBack to article page