Juvenile idiopathic arthritis: lymphocyte activation gene-3 is a central immune receptor in children with oligoarticular subtypes

Juvenile idiopathic arthritis (JIA) is one of the most common inflammatory joint diseases in children. Previous studies have shown that in the oligoarticular subtype of this disease, T cells play a central role in pathogenesis. T cell inhibitory receptors (IRs) seem to play an important role in the development of tolerance and recognition of self and non-self antigens. Ligands binding to these IRs inhibit T cell function and modulate the course of the immune response. In this episode, we meet this month's highlighted Early Career Investigator Erdal Sag, a paediatric rheumatologist at Ankara Training and Research Hospital in Turkey. He and his team designed an ex vivo disease model to examine the effects of different co-inhibitory receptors on the pathogenesis of oligoarticular JIA.

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