Title : PD-L1 expression on tumor-infiltrating immune cells is highly associated with M2 TAM and aggressive malignant potential in patients with resected non-small cell lung cancer.

Pub. Date : 2019 Oct

PMID : 31499335






7 Functional Relationships(s)
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1 However, the mechanistic and clinical significance of the effect of PD-L1 on TCs versus ICs remains unclear. 9-ethyl-N-(3,4,5-trimethoxyphenyl)carbazole-3-sulfonamide CD274 molecule Homo sapiens
2 METHODS: We evaluated PD-L1 expression on TCs and ICs using Ventana SP263 assay and the stromal M2 TAM distribution using CD163 staining in 160 consecutive patients with resected non-small cell lung cancer (NSCLC). 9-ethyl-N-(3,4,5-trimethoxyphenyl)carbazole-3-sulfonamide CD274 molecule Homo sapiens
3 RESULTS: PD-L1 expression on TCs and ICs was significantly higher in stromal M2 TAM-high group than in stromal M2 TAM-low group (p < 0.001 and p < 0.001, respectively). 9-ethyl-N-(3,4,5-trimethoxyphenyl)carbazole-3-sulfonamide CD274 molecule Homo sapiens
4 Regarding the clinical significance of PD-L1, PD-L1 expression on TCs was significantly associated with histology (p = 0.001), tumor differentiation (p < 0.001) and nodal status (p = 0.029). 9-ethyl-N-(3,4,5-trimethoxyphenyl)carbazole-3-sulfonamide CD274 molecule Homo sapiens
5 Regarding the clinical significance of PD-L1, PD-L1 expression on TCs was significantly associated with histology (p = 0.001), tumor differentiation (p < 0.001) and nodal status (p = 0.029). 9-ethyl-N-(3,4,5-trimethoxyphenyl)carbazole-3-sulfonamide CD274 molecule Homo sapiens
6 CONCLUSIONS: During tumor progression in NSCLC, the presence of M2 TAMs might affect PD-L1 expression both on TCs and ICs. 9-ethyl-N-(3,4,5-trimethoxyphenyl)carbazole-3-sulfonamide CD274 molecule Homo sapiens
7 In patients with NSCLC, PD-L1 expression both on TCs and ICs was associated with malignant behaviors, which was more in case of ICs. 9-ethyl-N-(3,4,5-trimethoxyphenyl)carbazole-3-sulfonamide CD274 molecule Homo sapiens