| CBP | CREB-binding protein |
| CD | Cluster of differentiation |
| EBF | Early B cell factor |
| ETP | Early T cell progenitor |
| γc | Common γ |
| HPC | Hematopoietic progenitor cell |
| Lck | Lymphocyte-specific protein tyrosine kinase |
| IL | Interleukin |
| JAK | Janus kinase |
| KLS | c-Kit+ Lineage− Sca-1+ |
| RAG | Recombination activating gene |
| Src | Rat sarcoma |
| SCF | Stem cell factor |
| STAT | Signal transducer and activator of transcription |