tumor necrosis factor superfamily mediated signaling pathway tumor necrosis factor member 13 signaling pathway 2012-05-01T11:00:20Z PW:0000934 Tnfsf13 (April) signaling pathway Tnfsf13 signaling pathway Tumor necrosis factor member 13 also known as April, binds the tumor necrosis factor receptor member 13B known as Taci and receptor member 17 known as Bcma of the tumor necrosis factor receptor superfamily to elicit important responses for the B cells of the immune system. pathway vpetri