Table 5. Candidate reference genes ranked in order of their stability throughout TS cell differentiation using the NormFinder, GENorm and BestKeepr software tools.

NormFinder		geNORM	BestKeeper
Rank	Gene Name	Stability Value		Rank	Gene Name	Stability Value		Rank	Gene Name
1	Ywhaz	0.095		1	Ywhaz	0.018		1	Ywhaz
2	Pgk1	0.096		2	Pgk1	0.029		2	Pgk1
3	H2afz	0.102		3	Hk2	0.036		3	Hk2
4	Hk2	0.104		4	H2afz	0.04		4	H2afz
5	Hprt	0.11		5	Hprt	0.042		5	Hprt
6	Tbp	0.111		6	Tbp	0.044		6	Tbp
7	Actb	0.112		7	Actb	0.044		7	Sdha
8	Sdha	0.122		8	Ppia	0.048		8	Actb
9	Hsp70	0.127		9	Sdha	0.06		9	Ppia
10	Ppia	0.128		10	Hsp70	0.061		10	Hsp70
11	Gusb	0.133		11	Gusb	0.065		11	Gusb
12	Gapdh	0.153		12	Gapdh	0.093		12	Gapdh
13	B2m	0.183		13	B2m	0.12		13	B2m
14	Rn7sk	0.202		14	Rn7sk	0.24		14	Rn7sk