Table 4. The relative expression of SDF-1 and VEGF in all groups.

Group	SDF-1		VEGF
	RT-PCR	Western blotting	RT-PCR	Western blotting
1234	5.74±0.512.15±0.171.87±0.201.03±0.11	0.62±0.0340.59±0.0400.38±0.0190.13±0.009	7.41±0.432.91±0.272.28±0.291.04±0.08	0.67±0.0240.54±0.0110.44±0.0200.12±0.009