CXCL12 and familial pancreatic carcinoma: While in several studies, it has been reported that during development of pancreatic cancer the expression of SDF-1 increases within pancreatic tissue 24, 25, results of our study demonstrate that SDF-1 does not seem to be associated with intensified peripheral trafficking of BMSCs in patients with pancreatic cancer and its systemic concentrations are comparable to those observed in healthy individuals.