| AdoMetDC1 | S-adenosylmethionine decarboxylase 1 |
| Dex | dexamethasone |
| DFMO | α-difluoromethylornithine |
| EDTA | ethylenediaminetetraacetic acid |
| ns | not significant |
| ODC | ornithine decarboxylase |
| PUT | putrescine |
| SE | standard error |
| SPD | spermidine |
| SPM | spermine |
| SRM | spermidine synthase |
| 5′-UTR | 5′-untranslated region |