Table 1. Primers used in real-time PCR.

Gene	Direction	Sequence	Size
GAPDH	Forward	5′-CTCTGGCAAAGTCCAAGTGGTG-3′	103 bp
	Reverse	5′-GCCCTTGAAGTGTCCGTGTGTA-3′
PRL	Forward	5′-AAAGCTGTTAATGGCTGCCACAC-3′	122 bp
	Reverse	5′-TCATTCCAGGAACGCAGCAC-3′
VIPR	Forward	5′-GAGCTCGTGGTTGGGTCATTC-3′	87 bp
	Reverse	5′-TCGCTTGAGCTCAGCTTGGA-3′

GAPDH, glyceraldehyde-3-phosphate dehydrogenase; PRL, prolactin; VIPR, vasoactive intestinal peptide receptor 1.