Fig 1: Changes in cytokines levels in the sera of rabbits. A) Complement component 3a (C3a) levels; B) tumor necrosis factor (TNF-α) levels; C) interleukin (IL)-6 levels; D) interferon (IFN)-γ levels. Experiments were performed in triplicate. WT, wild type; GTKO, α1,3-galactosyltransferase gene-knockout; Con, control; NBM, natural bone material; PCB, porcine cancellous bone, N.G.,