Current knowledge of receptor-ligand interactions, cell signaling, and transcriptional regulation derive from studies of type I interferon. The design of novel therapeutics is informed by the advances in investigation of type I interferon, with the potential for important impacts on patient management.
![Representation of the molecular structure of interferon a.](https://www.the-rheumatologist.org/wp-content/uploads/2018/11/THR_1118_pg80a-150x150.png)