| JA | Jasmonic acid |
|---|---|
| JA | Juvenile Arthritis |
| JAE | Juvenile absence epilepsy |
| JAG1 | JAGGED1 |
| JAK | Janus Kinase |
| JAK | Janus protein tyrosine kinase |
| JAK | Janus tyrosine kinase |
| JAK-STAT | Januas Kinase-signal transducer and activator of transcription |
| JAK-STAT | Janus kinase-signal transducers and activators of transcription |
| JAK1 | Janus kinase 1 |