Table 4. Candidate reference genes for normalization listed according to their expression stability calculated by NormFinder
| Ranking order | Gene | Stability value |
|---|---|---|
| 1 | actin | 0.138 |
| 2 | RPL13a | 0.468 |
| 3 | GAPDH | 0.483 |
| 4 | RPS18 | 0.505 |
| 5 | αTUB | 0.564 |
| 6 | UBQ | 0.891 |