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Title:

The SPINK1 N34S variant is associated with acute pancreatitis.

Document type:
Journal Article; Multicenter Study; Research Support, Non-U.S. Gov't; Article
Author(s):
O'Reilly, DA; Witt, H; Rahman, SH; Schulz, HU; Sargen, K; Kage, A; Cartmell, MT; Landt, O; Larvin, M; Demaine, AG; McMahon, MJ; Becker, M; Kingsnorth, AN
Abstract:
OBJECTIVE: Acute pancreatitis (AP) is a disease whose pathogenesis remains largely obscure. Genetic research has focussed attention upon the role of the pancreatic protease/protease inhibitor system. The aim of this study was to investigate the prevalence of genetic variants of the trypsin inhibitor, SPINK1, in acute pancreatitis. METHODS: We genotyped 468 patients with AP and 1117 healthy controls for SPINK1 alterations by single-strand conformation polymorphism analysis and by melting curve analysis using fluorescence resonance energy transfer probes. RESULTS: The c.101A>G (p.N34S) variant was detected in 24/936 alleles of patients and in 18/2234 alleles of healthy controls (odds ratio=3.240; 95% confidence interval: 1.766-5.945; P<0.001). In the UK patients, the mean age of patients with N34S was 11.9 years younger compared with N34S negative patients (P=0.023), but this was not apparent in the German patients. Allele frequencies for the c.163C>T (p.P55S) variant did not differ between patients and controls. CONCLUSION: The SPINK1 N34S variant is associated with acute pancreatitis. This supports the importance of premature protease activation in the pathogenesis of AP and suggests that mutated SPINK1 may predispose certain individuals to develop this disease.
Journal title abbreviation:
Eur J Gastroenterol Hepatol
Year:
2008
Journal volume:
20
Journal issue:
8
Pages contribution:
726-31
Language:
eng
Fulltext / DOI:
doi:10.1097/MEG.0b013e3282f5728c
Pubmed ID:
http://view.ncbi.nlm.nih.gov/pubmed/18617776
Print-ISSN:
0954-691X
TUM Institution:
Else Kröner-Fresenius-Zentrum für Ernährungsmedizin - Klinik für Ernährungsmedizin
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