CXCL8 and nasopharyngeal carcinoma: The patients with NPC showed significantly higher levels of IL-1β, IL-2 and IL-10 relative to healthy comparisons (all p<0.05 after FDR correction, Table 1), while there were no significant differences in serum levels of IFN-γ, IL-6, IL-8, IL-12 or TGF-β between the two participant groups (Table 1).