Table 5.

Sequences of primers used for mRNA quantification analysis

Gene	Primer sequence
HPRT	F: GAAGAGCTACTGTAATGATCAGTCAACGG
	R: GAGAGGTCCTTTTCACCAGCAAGC
Substance P	F: ACCCAAGCCTCAGCAGTTCTTTG
	R: TTCTGCATCGCGCTTCTTTCATA
DARPP-32	F: AAGGACCGCAAGAAGATTCAGTTCT
	R: CTCTCCAGAGGTTCTCTGATGTGGA
Dopamine receptor 1	F: AGAAGCAAATCCGGCGCATC
	R: GGAGCCAGCAGCACACGAATAC
Dopamine receptor 2	F: GGTCTACTCCTCCATCGTCTCGTTC
	R: TAACGGTGCAGAGTTTCATGTCCTC
Cannabinoid receptor 1	F: CGGCCTTGCAGATACCACCTTC
	R: GGAACCAACGGGGAGTTGTCTC
Preproenkephalin	F: CCTGAGATAGAGAAAAGATACGGG
	R: GATGTTTCGTCAGGAGAGATGAGG