Table 1. Description of the nine candidate housekeeper genes used in the study.

The accession numbers for each gene are taken from the National Center for Biotechnology Information.

Symbol	Name	Accession Number	Function
B2M	Beta 2 Microglobulin	NM_004048	Important cell surface structure
PMM1	Phosphomannomutase 1	NM_002676	Synthesis of the GDP-mannose and dolichol-phosphate-mannose
TBP	TATA Box Binding Protein	NM_001172085	Transcription factor
RPLPO	Large Ribosomal Protein	NM_053275	Ribosomal Protein
GUSB	Beta Glucuronidase	NM_000181	Glycoprotein
PGK1	Phosphoglycerate Kinase 1	NM_000291	Glycolytic enzyme
ACTB	Beta Actin	NM_001101	Cytoskeleton Protein
PPIA	Peptidylprolyl Isomerase A (Cyclophilin A)	NM_021130	Catalyses the cis-trans isomerization of proline imidic peptide bonds