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Comparative Study
. 2014 Oct;43(7):1078-82.
doi: 10.1097/MPA.0000000000000166.

CFTR, SPINK1, PRSS1, and CTRC mutations are not associated with pancreatic cancer in German patients

Stephanie Schubert  1 , Frank Traub, Kai Brakensiek, Kathrein von Kopylow, Britta Marohn, Madeleine Maelzer, Jochen Gaedcke, Hans Kreipe, Manfred Stuhrmann
Affiliations
Comparative Study

CFTR, SPINK1, PRSS1, and CTRC mutations are not associated with pancreatic cancer in German patients

Stephanie Schubert et al. Pancreas. 2014 Oct.

Abstract

Objective: Mutations in the cationic trypsinogen (PRSS1), cystic fibrosis transmembrane conductance regulator (CFTR), serine protease inhibitor Kazal type 1 (SPINK1), and chymotrypsin C (CTRC) genes are associated with an elevated risk for chronic pancreatitis, which is a known risk factor for pancreatic cancer (PC). Therefore, we analyzed whether PRSS1, CFTR, SPINK1, and/or CTRC mutations are associated with pancreatic adenocarcinoma.

Methods: The study cohort was composed of 121 PC patients, of whom 74 were classified as having chronic pancreatitis, 102 patients with idiopathic chronic pancreatitis, and 130 as healthy controls. Mutation analyses for the CFTR, SPINK1, PRSS1, and CTRC genes were performed for the presence of the most common mutations.

Results: The frequency of CFTR mutations in patients with PC was not significantly different in comparison with healthy controls and controls with pancreatitis. The SPINK1 mutation frequency was significantly decreased in patients with PC in comparison with patients with idiopathic pancreatitis but varied not significantly in comparison with healthy controls. None of the selected 121 PC samples showed a pancreatitis-predisposing mutation in the PRSS1 or CTRC gene.

Conclusions: Mutations in the genes CFTR, SPINK1, PRSS1, and CTRC do not seem to significantly increase the risk for pancreatic adenocarcinoma.

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