P2X7 was also expressed in several neuroblastoma cell lines including ACN, GI-CA-N, HTLA-230, GI-ME-N, LAN-5, LAN-1, SK-N-BE-2, and SH-SY-5Y with cell surface staining characterized for at least ACN (Raffaghello et al., 2006). Here, P2RX7 is linked to neuroblastoma.