Tumor microenvironment in NSCLC suppresses NK cells function

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NK cells, which contribute to tumor immunosurveillance, are present in the microenvironment of Non-Small-Cell Lung Carcinoma. However, they display strongly altered phenotype with decreased expression of NKp30, NKp80, DNAM-1, CD16 and ILT2, and impaired cytotoxic functions. The possible mechanisms leading to these defects are discussed.

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