In Vitro Stimulation of C1s Proteolytic Activities by C1s-Presenting Autoantibodies from Patients with Systemic Lupus Erythematosus

Shiping He, Ya-Ling Lin

Anti-C1s autoantibodies (IgG forms), which recognize the conjunction of C1s heavy chain and light chain (C1s-presenting autoantibodies) from patients with sy...