OP0080 Lesional IL-21 Expression Correlates with Functional Germinal Center Formation and T Follicular Helper Cell Infiltration in the Salivary Glands of Sjögren’s Syndrome

Abstract

BackgroundIL-21 is a pro-inflammatory cytokine that plays a key role in the activation and differentiation of B cells1. B cells infiltrate the salivary glands (SG) of Sjögren’s syndrome (SS), an...