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Table 3 Candidate reference genes for normalization of qRT-PCR (in lung cultured cells) ranked according to their expression stability by GeNorm and NormFinder programs

From: Identification of Importin 8 (IPO8) as the most accurate reference gene for the clinicopathological analysis of lung specimens

GeNorm   NormFinder
Genes Stability value   Genes Stability value
PPIA 0.377 Most stable genes PPIA 0.078
RPLPO 0.377   RPLP0 0.199
GAPDH 0.387   HPRT1 0.232
18S 0.430   GAPDH 0.244
HPRT1 0.473   18S 0.257
GUSB 0.509   GUSB 0.328
POLR2A 0.547   POLR2A 0.407
HMBS 0.580   UBC 0.408
PGK1 0.614   PGK1 0.420
UBC 0.644   HMBS 0.425
ACTB 0.681   ACTB 0.508
B2M 0.719   B2M 0.529
TFRC 0.761   TFRC 0.583
YWHAZ 0.801   YWHAZ 0.631
IPO8 0.852   IPO8 0.758
TBP 0.917 Least stable genes TBP 0.863