Advances in Clinical and Experimental Medicine

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Advances in Clinical and Experimental Medicine

2019, vol. 28, nr 3, March, p. 307–312

doi: 10.17219/acem/76130

Publication type: original article

Language: English

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Creative Commons BY-NC-ND 3.0 Open Access

Do CTRC mutations affect the development of alcoholic chronic pancreatitis and its course among Poles: Preliminary study

Halina Cichoż-Lach1,A,B,C,D, Małgorzata Michalak-Wojnowska2,A,B,C, Emilia Lis-Janczarek1,B,C,D, Jacek Wojcierowski3,E,F, Marcin Hydzik3,B,C

1 Department of Gastroenterology, Medical University of Lublin, Poland

2 Department of Cancer Genetics, Medical University of Lublin, Poland

3 Genetic Testing Laboratory, Lublin, Poland

Abstract

Background. Genetic mutations are one of the etiological factors that predispose people to develop chronic pancreatitis.
Objectives. The aim of our study was to examine the effect of p.Trp55*, p.Arg254Trp and c.738_761del mutations in the chemotrypsin gene (CTRC) on the development of alcoholic chronic pancreatitis (ACP) in order to answer the questions whether these mutations vary between gender groups, whether they were related to the age when ACP was first diagnosed, and whether they affected the morphological changes in the pancreas and the course of ACP.
Material and Methods. The study included 124 patients with ACP, 52 with nonalcoholic pancreatitis and 52 controls. The p.Trp55*, c.738_761del and p.Arg254Trp mutations in the CTRC gene were tested by the polymerase chain reaction (PCR).
Results. The c.738_761del and p.Arg254Trp mutations occurred in 3.07% and 1.31% of cases, respectively. None of the examined patients were found to have the p.Trp55* mutation. The frequency of detected mutations did not significantly differ between the study groups. The c.738_761del mutation was detected more frequently in women than in men. No significant differences were found in the age at ACP onset, morphological changes affecting the pancreas, or in the course of ACP between the patients with and without the 2 examined mutations. The c.738_761del mutation was significantly more frequent in the diabetic patients than in the non-diabetics. The patients with this mutation more frequently required surgery than those without the c.738_761del mutation.
Conclusion. No relationship between the c.738_761del and p.Arg254Trp mutations and the development of APC was found. The c.738_761del mutation was more frequent in females than in males. Neither mutation affected the patient’s age at ACP onset or its course. In contrast to p.Arg254Trp, the c.738_761del mutation correlated with diabetes development and the need for surgery in the course of ACP.

Key words

alcohol, alcoholic chronic pancreatitis, CTRC mutations

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