Table 1. Candidate genes, accession numbers and primer sequences.

Gene symbol and accession number	Gene name	Primer sequence	Product length (bp)
GAPDH	Glyceraldehyde-3-phosphate	F 5′ -TGCCCCCATGTTTGTGATG- 3′	64
NM_017008	dehydrogenase	R 5′ -GCTGACAATCTTGAGGGAGTTGT- 3′
ACTB	Beta-actin	F 5′ -AGCGTGGCTACAGCTTCACC- 3′	85
NM_031144		R 5′ -AAGTCTAGGGCAACATAGCACAGC- 3′
β2M	Beta-2-microglobulin	F 5′ -GCCATCCACCGGAGAATG- 3′	60
NM_012512		R 5′ -GGTGGAACTGAGACACGTAGCA- 3′
HPRT	Hypoxanthine guanine	F 5′ -GCGAAAGTGGAAAAGCCAAGT- 3′	76
NM_012583	phosphoribosyl transferase	R 5′ -GCCACATCAACAGGACTCTTGTA- 3′
18S	Eukaryotic 18S rRNA	F 5′ -CGGACAGGATTGACAGATTG- 3′	83
NR_046237		R 5′ -CAAATCGCTCCACCAACTAA- 3′