Table 2. The primer sequences for quantitative real-time polymerase chain reaction.

Gene	Sequence
SDF-1	F: AAA AGA ATT CAT GAA CGC CAA GGT CGT G
	R: AAA GGT ACC ATC TTG AAC TTG TTT AAA G
CXCR4	F: GGG CTG GAG AGC GAG CAT TGC
	R: ATC GGC GAA GAT GTC GGC CT
NGF	F: CGG TCT TCC CGC CCT AGC CTG
	R: ATT TGC ACG CCG CTC CTT TGC
BDNF	F: AGA GTG ATG ACC ATC CTT TT
	R: ATC CAC TAT CTT CCC CTT TT
GFAP	F: GCT AAT GAC TAT CGC CGC CAA CT
	R: CTC CTT AAT GAC CTC GCC ATC CC
GAP-43	F: GGA GGG AGA TGG CTC TGC TAC
	R: AGT GAC AGC AGC AGG CAC ATC
GAPDH	F: AAG GTC ATC CCA GAG CTG AAC GG
	R: ACA ACC TGG TCC TCA GTG TAG CC

SDF-1, stromal cell-derived factor-1; CXCR4, chemokine receptor-4; NGF, nerve growth factor; BDNF, brain derived neurotrophic factor; GFAP, glial fibrillary acidic protein; GAP-43, growth associated protein-43; qRT-PCR, quantitative real-time polymerase chain reaction; F, forward; R, reverse.