Association of PD-L1 expression and PD-L1 gene polymorphism with poor prognosis in lung adenocarcinoma and squamous cell carcinoma

Programmed cell death 1 receptor (PD-1)/programmed death-1 ligand-1 (PD-L1) interaction has been linked to tumor immune evasion. PD-L1 expression has been indicated in identifying non-small cell lung carcinoma (NSCLC) patients for treatment with anti-PD-1 or anti-PD-L1 therapy. The goal of this study was to evaluate the clinicopathologic values of PD-L1 expression and single nucleotide polymorphisms (SNPs) in the PD-L1 gene in lung adenocarcinoma (ADC) and squamous cell carcinoma (SqCC). The 147 NSCLC tissues consisted of 84 samples of ADC and 63 samples of SqCC.

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