Table 4. Forward (F) and reverse (R) primers used in RT-PCR amplification.

Gene	Primer sequences	Product size (bp)
BDNF	F: 5′ GGCTATGTGGAGTTGGCATT 3′ R: 5′ CTTCAGAGGCCTTCGTTTTG 3′	126
TrkB	F: 5′ TGGTGCATTCCATTCACTGT 3′ R: 5′ CGTGGTACTCCGTGTGATTG 3′	130
NGF	F: 5′ GACTCCGTTCACCCCGTGTGC 3′ R: 5′ CACACCGAGAATTCGCCCCTG 3′	166
TrkA	F: 5′ AACCAGAGCCATGGACTCTACACT 3′ R: 5′ CCCAGCTCTGACAAGCCTCCGA 3′	135
β-actin	F: 5′ GAGACCTTCAACACCCCAG 3′ R: 5′ GCTACAGCTTCACCAGCAG 3′	190