Table 1.

Primers used in this study

Primer		Sequence (3′–5′)	Size
β-actin	Sense	GGTATGGGTCAGAAGGACTCC	801 bp
	Antisense	CCTGTCAGCAATGCCTGGGTA
GAP43	Sense	GATAAGGCTCATAAGGCTGC	401 bp
	Antisense	CCTAAACAAGCCGATGTGCC
NGF	Sense	TGCCCCTGCTGAACCAATAGC	496 bp
	Antisense	AGCCTGTTTGTCGTCTGTTGT

NGF: nerve growth factor