Table 1. Oligonucleotide sequences used for quantitative RT–PCR.

	Forward primer	Reverse primer	Mouse/rat universal probe Library #, Roche
HPRT1	5′-TGATAGATC CATTCC TATGACTGTAGA	5′-AAGACATTCTTTCCAGTTAAAGTTGAG	22
Hmbs	5′-TCC CTG AAG GAT GTG CCT AC	5′-ACA AGG GTT TTC CCG TTT G	79
BDNF	5′-CACTTTTGAGCACGTCATCG	5′-TCCTTATGGTTTTCTTCGTTGG	42
GDNF	5′-TAAGATGAAGTTATGGGATGTCG	5′-CTTCGAGAAGCCTCTTACCG	112
BMP7	5′-CGAGACCTTCCAGATCACAGT	5′-CAGCAAGAAGAGGTCCGACT	1

Abbreviations: BDNF, brain-derived neurotrophic factor; BMP7, bone morphogenetic protein-7; GDNF, glial cell line-derived neurotrophic factor; RT–PCR, reverse transcription–polymerase chain reaction.