TABLE 1.

Sequence of primers and accession numbers of the genes analyzed.

Gene	GenBank accession no.	Sequence position	Primers	Sequence
VIP	NM_003381.4	98–209	hVIP	Forward: 5′‐TCAGCACCTAAGACAGCTCCA‐3′ Reverse: 5′‐AGCACACTGAGAAGAGTCAGG‐3′
GAPDH	NM_002046.7	57–130	hGAPDH	Forward: 5′‐AGCCACATCGCTCAGACAC‐3′ Reverse: 5′‐GAGTTAAAAGCAGCCCTGGTG‐3′