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Table 2 Expression stability measures (M) calculated by geNorm for all candidate housekeeping genes analyzed

From: Selection of suitable housekeeping genes for expression analysis in glioblastoma using quantitative RT-PCR

Ranking order

Gene

M values1

1

ACTB

0.603

2

GUSB

0.693

3

TBP

0.736

4

GAPDH

0.918

5

HPRT1

1.049

6

18S rRNA

1.277

7

HMBS

1.344

Best combination of two genes

ACTB + GUSB

0.560

  1. 1 Lower M values indicate higher expression stability