https://www.selleckchem.com/pr....oducts/5-n-ethyl-n-i
035). In-vitro studies revealed a higher proportion of infiltrated NK cells in the NKhigh cohort co-expressed PD-1. Additionally, IL-18 levels in NPC tissue were significantly higher than in healthy nasopharynx; and IL-18 alone induced PD-1 expression on NK cells. Expectedly, plasma IL-18 concentration and percentage of circulating PD-1-expressing NK cells were similar among NPC patients and healthy controls. CONCLUSION The cytotoxic function of NK TILS is mitigated by an elevated IL-18 levels within the NPC
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