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Volume 119, Issue 2, Pages (August 2000)

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Presentation on theme: "Volume 119, Issue 2, Pages (August 2000)"— Presentation transcript:

1 Volume 119, Issue 2, Pages 461-465 (August 2000)
Chronic pancreatitis associated with an activation peptide mutation that facilitates trypsin activation  Niels Teich, Johann Ockenga, Albrecht Hoffmeister, Michael Manns, Joachim Mössner, Volker Keim  Gastroenterology  Volume 119, Issue 2, Pages (August 2000) DOI: /gast Copyright © 2000 American Gastroenterological Association Terms and Conditions

2 Fig. 1 Pedigree of a family with chronic pancreatitis and D22G mutation of the cationic trypsinogen. The patients with documented chronic pancreatitis are represented by closed symbols; individuals with suspected disease are depicted in grey. *D22G variant present. Gastroenterology  , DOI: ( /gast ) Copyright © 2000 American Gastroenterological Association Terms and Conditions

3 Fig. 2 HPLC separation of oligopeptide digests. (A) Wild-type peptide (pWT), no trypsin; (B) pWT, 30 minutes of trypsin; (C) pD22G, 30 minutes of trypsin; (D) pK23R, 30 minutes of trypsin. Arrows indicate the position of the octapeptide. Gastroenterology  , DOI: ( /gast ) Copyright © 2000 American Gastroenterological Association Terms and Conditions

4 Fig. 3 pH-dependent hydrolysis of synthetic peptides by trypsin. Wild-type (pWT) and mutant (pD22G, pK23R) peptides were incubated with or without trypsin for 30 minutes. After chromatographic separation of the hydrolytic products, the percentage of peptide digestion was measured by integration of the areas under the respective peaks. Values are means ± SE; n = 4; *P < 0.05. Gastroenterology  , DOI: ( /gast ) Copyright © 2000 American Gastroenterological Association Terms and Conditions

5 Fig. 4 Mutations and proposed pathogenetic models of hereditary pancreatitis. Gastroenterology  , DOI: ( /gast ) Copyright © 2000 American Gastroenterological Association Terms and Conditions


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