TABLE 2.

Expression of p53 mRNA in rat brain tissue ($\overline{x}$ ± s, n = 3).

Group	p53 mRNA expression
Sham	1.00 ± 0.11
MCAO	1.98 ± 0.21▲▲
DHI	1.43 ± 0.16*
LY294002	3.15 ± 0.35**
DHI + LY294002	2.55 ± 0.25*
NMDP + LY294002	1.58 ± 0.19##

Compared with the sham operation group, ^▲▲P < 0.01; compared with the MCAO group, *P < 0.05, **P < 0.01; compared with the LY294002 group, ^##P < 0.01. I/R, ischemia-reperfusion; MCAO, middle cerebral artery occlusion; LY294002, 2-(4-morpholinyl)-8-phenyl-chromone; DHI, Danhong Injection; NMDP, nimodipine.