| Putative biomarkers | Citations |
| ALDH high | [91] [95] |
| Oct4 | [91] |
| Nestin | [91] |
| Nanog | [91] |
| HSP-27 | [92] [93] |
| Wnt/β’catenin | [94] [100] |
| Egf-Pi3K-AKT pathway | [101] |
| ER | [96] |
| JAK-STAT | [98] |
| Notch 1 | [99] |
| Notch 2 | [99] |
| TNFR1 | [76] |
| PKC | [76] |
| HIF1 | [74] |
| NF-κB | [97] |
| PI3K | [49] [50] [51] |
| Cannabinoid receptor | [36] |
| Death Receptor | [102] |
| Survivin | [102] |
| EGF | [106] |
| IGF | [103] |
| p53 | [104] |
| p21 | [105] |