Table 1. Antibodies used in the study.
| Phospho-specific antibodies | Source | Order number # | Company |
| AKT-Ser473 | rabbit | 9271 | Cell Signaling |
| AKT-Thr308 | rabbit | 9275 | Cell Signaling |
| GSK3ß-Ser9 | rabbit | 9336 | Cell Signaling |
| PTEN-Ser380 | rabbit | 9551 | Cell Signaling |
| p44/42 MAPK-Thr202/204 | rabbit | 4370 | Cell Signaling |
| p38 MAPK-Thr180/182 | rabbit | 9211 and 4511 | Cell Signaling |
| PDK1-Ser241 | rabbit | 3061 | Cell Signaling |
| eIF2α-Ser51 | rabbit | 3398 | Cell Signaling |
| IGF-IRß/Insulin-Rß-Tyr1135/1136-1150/1151 | rabbit | 3024 | Cell Signaling |
| S6 Ribosomal Protein-Ser235/236 | rabbit | 4858 | Cell Signaling |
| p70S6 Kinase-Thr389 | rabbit | 9234 | Cell Signaling |
| Phospho-unspecific antibodies | Source | Order number # | Company |
| AKT | rabbit | 9272 | Cell Signaling |
| GSK3ß | rabbit | 9315 | Cell Signaling |
| PTEN | rabbit | 9552 and 9188 | Cell Signaling |
| p44/42 MAPK | rabbit | 4695 | Cell Signaling |
| p38 MAPK | rabbit | 9212 | Cell Signaling |
| PDK1 | rabbit | 3062 | Cell Signaling |
| eIF2α | mouse | 2103 | Cell Signaling |
| IGF-IRß | rabbit | 3018 | Cell Signaling |
| S6 Ribosomal Protein | rabbit | 2217 | Cell Signaling |
| p70S6 Kinase | rabbit | 2708 | Cell Signaling |
| ILK | rabbit | 3856 | Cell Signaling |
| α-Tubulin | rabbit | 2125 | Cell Signaling |
| Ubiquitin | mouse | 3963 | Cell Signaling |
| GDF-8 | rabbit | sc-6885 | Santa Cruz |
| IGF-II | mouse | sc-74119 | Santa Cruz |