CXCL10 and familial pancreatic carcinoma: To identified the main source of CXCL10, we downloaded an available human pancreatic cancer single-cell RNA-sequencing (scRNA-seq) data (Peng et al., 2019) from the Genome Sequence Archive in the BIG Data Center, Chinese Academy of Sciences under accession code CRA00116010 (Members, 2018).