APRIL (TNF 13, Tumor necrosis factor ligand superfamily member 13 , A proliferation-inducing ligand, TNF- and APOL-related leukocyte expressed ligand 2, TNF related death ligand, CD256 antigen)

APRIL is a member of the tumor necrosis factor family. APRIL appears to play a role in T-independent type II antigen responses and T cell survival, but can also induce proliferation/sur­vival of nonlymphoid cells. Local production of APRIL was found in arthritic joints of patients with inflammatory arthritis.