The expression of KLK10 is down-regulated in several cancers (e.g. breast, prostate and non-small cell lung cancer, and hepatocellular carcinoma), and up-regulated in colorectal cancer, ovarian cancer, pancreatic ductal adenocarcinoma and uterine papillary serous carcinoma. Here, KLK10 is linked to pancreatic ductal adenocarcinoma.