Table 2. Primer sequences for reverse-transcription quantitative PCR.

Gene	Sequence
GABAB	Forward: 5′-AGCTGACCAGACCTTGGTCATT-3′
	Reverse: 5′-AACTGGCTTCTCCCTATGTGG-3′
GAPDH	Forward: 5′-GATGGGTGTGAACCACGAGAAAT-3′
	Reverse: 5′-ACGGATACATTGGGGGTAGGAA-3′