CXCL8 and asthma: Detectable levels of IL-6, IL-8, IL-13, IP-10, MCP-1, MDC, FGF-2, and IFN-γ were also found in cell culture supernatants using Milliplex but no difference was found between children with STRA and controls without asthma expect for IL-8, which confirmed the ELISA data (Fig E2, B).