Glypican-1 (GPC1) is found to be overexpressed in the exosomes of pancreatic cancer patients compared to those of healthy individuals and individuals with benign pancreatic diseases, suggesting that exosomal GPC1 could potentially serve as a biomarker to aid in the diagnosis and stratification of pancreatic cancer 36. The gene discussed is GPC1; the disease is familial pancreatic carcinoma.