Abstract
Recurrent acute anterior uveitis is a frequent extra-articular manifestation of the axial spondyloarthropathies (AxSpA): chronic inflammatory diseases affecting the spine, enthesis, peripheral joints, skin, and gastrointestinal tract. Pathology in AxSpA has been associated with local tissue-resident populations of IL-23 responsive lymphoid cells. Here we characterize a population of ocular T cell defined by CD3+CD4-CD8-CD69+γδTCR+IL-23R+ that reside within the anterior uvea as an ocular entheseal analogue of the mouse eye. Localized cytokine expression demonstrates that uveal IL-23R+ IL-17A-producing cells are both necessary and sufficient to drive uveitis in response to IL-23. This T cell population is also present in humans, occupying extravascular tissues of the anterior uveal compartment. Consistent with the concept of IL-23 as a unifying mediator in AxSpA, we present evidence that IL-23 can also act locally on tissue resident T cells in the anterior compartment of the eye at sites analogous to the enthesis to drive ocular inflammation.
| Original language | English |
|---|---|
| Article number | e182616 |
| Number of pages | 18 |
| Journal | JCI Insight |
| Volume | 10 |
| Issue number | 19 |
| Early online date | 28 Aug 2025 |
| DOIs | |
| Publication status | Published - 8 Oct 2025 |
Keywords
- Animals
- Interleukin-23/metabolism
- Mice
- Humans
- Interleukin-17/metabolism
- Receptors, Interleukin/metabolism
- Female
- T-Lymphocytes/immunology
- Male
- Uvea/immunology
- Uveitis/immunology
- Disease Models, Animal
- Uveitis, Anterior/immunology
- Mice, Inbred C57BL