Table 7. BestKeeper correlation analysis of 10 reference genes in rat tissues.

Shaded boxes indicate genes deemed unsuitable as reference genes based on too high SD or P values.

Control tissues; n = 40.					All tissues; n = 76.
Gene	SD	CV	r	P	Gene	SD	CV	r	P
Rn18s	0.5438	3.9513	−0.222	0.296	Hprt	0.4612	1.7226	0.747	0.001
Gapdh	0.5597	2.3766	0.634	0.001	Rps29	0.5647	2.6401	0.483	0.001
Sdha	0.6169	2.4245	0.778	0.001	Sdha	0.6027	2.3911	0.679	0.001
Ubc	0.6408	2.8510	0.797	0.001	Rpl13a	0.7404	3.1224	0.674	0.001
Hprt	0.6792	2.5506	0.927	0.001	Ubc	0.7584	3.5106	0.501	0.001
Rps18	0.6827	3.2732	0.911	0.001	Rps18	0.8150	3.9201	0.747	0.001
Rps29	0.7000	3.3100	0.467	0.021	Rn18s	0.8260	5.9426	0.230	0.046
Rpl13a	0.7822	3.3351	0.960	0.001	Actb	0.8794	4.1409	0.467	0.001
Pgk1	1.0420	3.9300	0.666	0.001	Pgk1	1.0071	3.8459	0.476	0.001
Actb	1.0472	5.0032	0.841	0.001	Gapdh	1.1385	4.9379	0.310	0.007

Notes.

Control

tissues from unexposed animals

All

tissues from unexposed and exposed animals