Figure 5.
Anti-PCNA-Density (number of cells/mm2) of PCNA+ thymocytes (detected by immune histochemistry) in thymus of normal (N), partially decerebrated (PD), partially decerebrated + hypophyseal graft (PD+H) and partially decerebrated + thymus graft (PD+Th). Data refer to quantitative analysis on tissue section and are expressed as mean ± SD. The two-tail Student t-test for unpaired data shows a significantly increase number of positive cells in cortex (a: PD+Th vs. N, P<0.001; b: PD+Th vs. PD, P<0.001; c: PD+Th vs. PD+H, P<0.001). Note the decrement of PD and PD+H vs. N (P<0.05).