KLRK1 and cervical carcinoma: Additionally, we also measured the levels of the pro-inflammatory cytokines IL-15, IL-6, IL-17, and IFN-γ, which were found to be diminished in cervical cancer patients in accordance with the expansion of the CD4+NKG2D+ T cell population; however, no statistically significant correlation was found in control or patient samples (data not shown).