FAS and systemic lupus erythematosus: 20 Silvestris Silvestris F F Grinello Grinello D D Tucci Tucci M M Cafforio Cafforio P P Dammacco Dammacco F F Enhancement of T cell apoptosis correlates with increased serum levels of soluble Fas (CD95/Apo-1) in active lupus Enhancement of T cell apoptosis correlates with increased serum levels of soluble Fas (CD95/Apo-1) in active lupus Lupus.