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

Fig. 5. High abundance of meCAFs is correlated with a better response to immunotherapy in patients with PDAC.

Fig. 5

a Clinical characteristic of 17 PDAC patients with abundant meCAFs included in our study. b Response evaluation of the 17 PDAC patients receiving 6 cycles of chemotherapy (gemcitabine plus albumin-bound paclitaxel) combined with PD-1 antibody (10 partial responses, 1 complete response, objective response rate: 64.71%). c The response of a representative loose-type PDAC patient after receiving chemotherapy combined with PD-1 antibody treatment and PD-1 antibody alone. H&E and IHC stainings of PLA2G2A and PD-L1 were examined. Follow-up clinical indicators including MRI and serum CA-199 after treatment are shown. CR, complete response; AG, gemcitabine plus albumin-bound paclitaxel; ULN, upper limit of normal. d Schematic diagram summarizing the intertumoral heterogeneity of cellular components, function and metabolism in dense- and loose-type PDACs, suggesting potential clinical significance and therapeutic strategies.