Figure 4.

ESTIMATE analysis and the expression of PD-L1 between cluster B and cluster A subtype. (A) Stromal Score, Immune Score, ESTIMATE Score and the tumor purity between cluster B and cluster A subtype; (B) expression of PD-L1 between cluster B and cluster A subtype in TCGA-PDAC cohort; (C) expression of PD-L1 between cluster B and cluster A subtype in GEO datasets; (D) protein-protein interaction network analysis of these m⁶A regulators between cluster B and cluster A subtype. TCGA, The Cancer Genome Atlas; PDAC, pancreatic ductal adenocarcinoma; GEO, Gene Expression Omnibus.