The cell-surface heparan sulfate proteoglycan glypican-1 regulates growth factor action in pancreatic carcinoma cells and is overexpressed in human pancreatic cancer. - Jeff,J.; Ishiwata,T.; Kumbasar,A.; Friess,H.; Buchler,M.W.; Lander,A.D.; Korc,M. (J Clin Invest, 1998)