Table 1.

Primer sequences for the candidate reference genes

Gene name	Accession number	Function	Sequence	Product size (base pairs)
Hprt1	Genbank: NM_012583	Purine synthesis in salvage pathways	Forward 5′-CTCATGGACTGATTATGGACAGGAC Reverse 5′-GCAGGTCAGCAAAGAACTTATAGCC	123
Actb	Genbank: NM_031144	Cytoskeletal structural protein	Forward 5′-CCGCGAGTACAACCTTCTTG Reverse 5′-GCAGCGATATCGTCATCCAT	81
Mapk6	Genbank: NM_031622	Member of the Ser/Thr protein kinase superfamily	Forward 5′-TAAAGCCATTGACATGTGGG Reverse 5′-TCGTGCACAACAGGGATAGA	129
B2m	Genbank: NM_012512	Beta-chain of major histocompatibility complex class I molecules	Forward 5′-CGAGACCGATGTATATGCTTGC Reverse 5′-GTCCAGATGATTCAGAGCTCCA	114