an obvious trendP < 0.05
The Per2-knockdown group exhibited an obvious trend of increased apoptosis over time ( P < 0.05), while the other two groups showed little change in the levels of apoptosis ( P > 0.05) (Figure 6 ).
The Per2-knockdown group exhibited an obvious trend of increased apoptosis over time ( P < 0.05), while the other two groups showed little change in the levels of apoptosis ( P > 0.05) (Figure 6 ).