Table 9.
Use of reference genes in RT-qPCR studies of human retinal endothelial cells in 72 articles published between 2009 and 2015 on the National Library of Medicine of National Institutes of Health PubMed database (www.ncbi.nlm.nih.gov/pubmed; search date = 28 February, 2017; search text = human retinal endothelial cell; languages filter = English). Some articles reported works that involved multiple treatments. Articles are listed in Supplementary Table 3.
| Treatment | Number of articles | Reference genes | |||||
|---|---|---|---|---|---|---|---|
| Identity | Number | Stable | |||||
| > 1 | 1 | NR | Yes | NR | |||
| Glucose/AGE | 25 | 18S rRNA, ACTB, GAPDH, HPRT1, U6 snRNA | 0 | 24 | 1 | 0 | 25 |
| Hypoxia & hypoxic mimics | 6 | ACTB, GAPDH | 0 | 5 | 1 | 0 | 6 |
| VEGF | 8 | ACTB, GAPDH | 0 | 8 | 0 | 0 | 8 |
| Cytokines | 12 | 18S rRNA, ACTB, GAPDH, TBP | 0 | 12 | 0 | 0 | 12 |
| Other proteins | 8 | 18S rRNA, ACTB, GAPDH, HPRT1 | 0 | 6 | 0 | 0 | 6 |
| Microbial mimics | 3 | GAPDH, HPRT1, PGK1, TBP | 1 | 2 | 0 | 1 | 2 |
| Enzymes | 2 | 18S rRNA, HPRT1 | 0 | 2 | 0 | 0 | 2 |
| Lipids | 2 | 18S rRNA, GAPDH, PPIA | 0 | 2 | 0 | 0 | 2 |
| Transfection of nucleic acid | 8 | 18S rRNA, ACTB, GAPDH | 0 | 8 | 0 | 0 | 8 |
| Drugs & chemicals | 9 | ACTB, GAPDH, PPIA | 0 | 9 | 0 | 0 | 9 |
| Shear stress | 2 | GAPDH | 0 | 2 | 0 | 0 | 2 |
| No treatment | 3 | ACTA, GAPDH, HPRT1 | 0 | 3 | 0 | 0 | 3 |
Abbreviations: AGE = advanced glycation end-products, VEGF = vascular endothelial growth factor, NR = not recorded. Full names of reference genes with abbreviations appear in Supplementary Table 2.