Table 1. Details of reference genes, primers and amplicons for 12 investigated genes.

Genesymbol	Title	Accessionnumber	ChromosomalLocalization	Forward andReverse Primer	Product(bp)	Intronspanning
GAPDH	Glyceraldehyd-3-phosphat-Dehydrogenase	NM_002046	12p13.31	5′-CGACAGTCAGCCGCATCTT-3′ 5′-CCCCATGGTGTCTGAGCG-3′	63	Yes
RPII (POLR2A)	polymerase (RNA) II (DNA directed)polypeptide A	NM_000937	17p13.1	5′-GCACCACGTCCAATGACAT-3′ 5′-GTGCGGCTGCTTCCATAA-3′	267	Yes
TBP	TATA box binding protein	NM_003194	6q27	5′-TGCACAGGAGCCAAGAGTGAA-3′ 5′-CACATCACAGCTCCCCACCA-3′	132	Yes
PPIA	Peptidylprolyl isomerase A (cyclophilin A)	NM_021130	7p13	5′-AGACAAGGTCCCAAAGAC-3′ 5′-ACCACCCTGACACATAAA-3′	118	Yes
GUSB	Beta glucuronidase	NM_000181	7q21.11	5′-AGCCAGTTCCTCATCAATGG-3′ 5′-GGTAGTGGCTGGTACGGAAA-3′	160	Yes
HSPCB	Heat shock protein 90kDa alpha (cytosolic)	NM_007355	6p12	5′-TCTGGGTATCGGAAAGCAAGCC-3′ 5′-GTGCACTTCCTCAGGCATCTTG-3′	80	Yes
YWHAZ	Tyrosine 3-monooxygenase/ tryptophan5-monooxygenase activation protein,zeta polypetide	NM_003406	8q23.1	5′-ACTTTTGGTACATTGTGGCTTCAA-3′ 5′-CCGCCAGGACAAACCAGTAT-3′	94	No
SDHA	Succinate dehydrogenase complex, subunit A	NM_004168	5p15	5′-TGGGAACAAGAGGGCATCTG-3′ 5′-CCACCACTGCATCAAATTCATG-3′	86	Yes
RPS13	ribosomal protein S13	NM_001017	11p15.1	5′-CGAAAGCATCTTGAGAGGAACA-3′ 5′-TCGAGCCAAACGGTGAATC-3′	87	Yes
HPRT1	Hypoxanthine phosphoribosyl-transferase 1	NM_000194	Xq26.1	5′-TGACACTGGCAAAACAATGCA-3′ 5′-GGTCCTTTTCACCAGCAAGCT-3′	94	Yes
18s	18s rRNA	NT_167214.1	ChrUn*	5′-AGAAACGGCTACCACATCCA-3′ 5′-CACCAGACTTGCCCTCCA-3′	169	N/A
B4GALT6	UDP-Gal:βGlcNAcβ 1,4-galactosyl-transferase,polypeptide 6	NM_004775.3	18q12.1	5′-AGGAGGTCCCTATGGCACTAAC-3′ 5′-TCTCTACAGACAGGCCCATTAGTC-3′	89	No

^* Homo sapiens unplaced genomic contig, GRCh37.p5.