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. 2021 May 25;7:36. doi: 10.1038/s41421-021-00271-4

Fig. 4. High expression of meCAF markers in the stroma predicts poor prognosis in patients with PDAC.

Fig. 4

a Higher expression of four meCAF marker genes (PLA2G2A, CRABP2, SERPINE2, and MFAP5) predicting a worse overall survival (OS) in patients with PDAC (TCGA PAAD database, n = 178). b Representative H&E and IHC stainings of meCAF markers (PLA2G2A and CRABP2) indicated high expression of these markers in loose-type PDAC (n = 94). High expression of meCAF markers (PLA2G2A + CRABP2) in the stroma predicted a poor OS in patients with PDAC (n = 76). c Representative IHC staining of myCAF marker (POSTN) indicated its high expression in dense stroma of PDAC (n = 94). The expression level of POSTN in stroma showed no correlation with OS of PDAC patients (n = 76). df Representative IHC staining of an iCAF marker (APOD) and CAF subcluster 1 and 2 markers (RGS5 and MYH11). The expression of these markers show no correlation with the overall survival in patients with PDACs. Scale bar, 100 μm. Censored samples are indicated by “+”. Kaplan–Meier curve was used for survival analysis. All statistical analyses were performed with the Log-rank test.