Kim et al. hypothesize that IL-21 is crucial to the pathogenesis of primary Sjögren syndrome (pSS), focusing on evidence of an interplay between the innate and adaptive immune responses mediated by the effects of IL-21 on immune cells. This new perspective might ultimately offer insight into novel approaches to the treatment of pSS.
- Seung-Ki Kwok
- Jennifer Lee
- Ho-Youn Kim
