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Table 2 Expression stability values of EC genes calculated by geNorm and NormFinder programmes

From: Evaluation and validation of candidate endogenous control genes for real-time quantitative PCR studies of breast cancer

  NormFinder geNorm
Rank Gene Stabilityb Gene Stability
1 MRPL19 0.105 PPIA 1.116
2 PPIA 0.119 MRPL19 1.134
3 B2M 0.169 GAPDH 1.240
4 GAPDH 0.176 PUM1 1.275
5 PUM1 0.222 B2M 1.305
6 HPRT1 0.233 HPRT1 1.357
7 TFRC 0.236 PSMC4 1.419
8 PSMC4 0.247 TFRC 1.437
9 GUSB 0.268 RPLPO 1.549
10 RPLPO 0.295 GUSB 1.568
11 ABL 0.413 ABL 2.070
  1. bHigh expression stability is indicated by a low stability value. For geNorm, stability is based on an estimate of the pairwise variation (M) relative expression while for NormFinder, stability is based on combined inter- and intra-group variation.