Table 3.

Stability values and ranking results of reference genes using different tissues. Lower stability values indicate more stable gene expression.

Lung	Ppia	B2m	Actb	Hsp90ab1	Gusb	Tbp	Gapdh	Pgk1	Hprt	Tubb	Pthlh
Delta CT	2.50	1.34	1.11	1.71	1.09	1.08	1.82	1.32	1.11	1.64	1.87
Ranking	11	6	3	8	2	1	9	5	4	7	10
BestKeeper	2.02	1.80	1.61	2.49	1.63	1.70	1.22	1.44	1.49	2.46	1.26
Ranking	9	8	5	11	6	7	1	3	4	10	2
Normfinder	2.34	0.84	0.16	1.37	0.20	0.17	1.62	0.74	0.24	1.25	1.67
Ranking	11	6	1	8	3	2	9	5	4	7	10
GeNorm	1.51	0.57	0.31	1.01	0.40	0.38	1.18	0.66	0.31	0.87	1.29
Ranking	11	5	1	8	4	3	9	6	1	7	10
Ranking G.M.a	11	7	1	10	4	2	6	5	3	9	8

Salivary Gland	Ppia	B2m	Actb	Hsp90ab1	Gusb	Tbp	Gapdh	Pgk1	Hprt	Tubb	Pthlh
Delta CT	0.93	1.36	0.99	0.76	0.72	0.77	0.84	1.05	1	0.74	1.53
Ranking	6	10	7	3	1	4	5	9	8	2	11
BestKeeper	0.90	1.35	0.56	0.88	0.64	0.62	0.42	1.20	1.22	0.59	1.03
Ranking	7	11	2	6	5	4	1	9	10	3	8
Normfinder	0.62	1.18	0.70	0.38	0.14	0.40	0.49	0.82	0.81	0.23	1.41
Ranking	6	10	7	3	1	4	5	9	8	2	11
GeNorm	0.54	0.85	0.72	0.44	0.30	0.30	0.40	0.66	0.59	0.36	0.97
Ranking	5	9	8	4	1	1	3	7	6	2	11
Ranking G.M.a	7	11	6	5	1	3	4	9	8	2	10

Spleen	Ppia	B2m	Actb	Hsp90ab1	Gusb	Tbp	Gapdh	Pgk1	Hprt	Tubb	Pthlh
Delta CT	0.48	0.34	0.35	0.51	0.42	0.5	0.65	0.4	0.43	0.72	0.57
Ranking	6	1	2	8	4	7	10	3	5	11	9
BestKeeper	0.32	0.29	0.26	0.46	0.45	0.48	0.47	0.42	0.25	0.47	0.31
Ranking	5	3	2	8	7	11	10	6	1	9	4
Normfinder	0.34	0.03	0.03	0.37	0.24	0.36	0.58	0.19	0.23	0.66	0.46
Ranking	6	1	1	8	5	7	10	3	4	11	9
GeNorm	0.24	0.06	0.06	0.36	0.20	0.33	0.44	0.18	0.28	0.49	0.39
Ranking	5	1	1	8	4	7	10	3	6	11	9
Ranking G.M.a	6	2	1	9	5	8	10	4	3	11	7

^aG.M., geometric mean.