Table 2. PCR primers used in this study.

Gene	Forword (5′→3′)	Reverse (5′→3′)
Bax	GGT TGC CCT CTT CTA CTT TGC	TCT TCC AGA TGG TGA GCG AG
Bcl-2	GGA TGA CTT CTC TCG TCG CTA C	TGA CAT CTC CCT GTT GAC GCT
BDNF	AGC TGA GCG TGT GTG ACA GT	ACC CAT GGG ATT ACA CTT GG
VEGF	GTG GAC ATC TTC CAG GAG TA	TCT GCA TTC ACA TCT GCT GT
β -actin	CTA TTG GCA ACG AGC GGT TCC	CAG CAC TGT GTT GGC ATA GAG G