AB0016 B7 Costimulation and Intracellular Indoleamine 2,3-Dioxygenase (IDO) Expression in Systemic Sclerosis and Primary Sjögren's Syndrome

Abstract

BackgroundAntigen presentation and costimulation are the initial steps of adequate T cell function and play an important role in the coordination of pro- and anti-inflammatory events. B7 costimulatory molecules are...