Lithostathine messenger RNA expression in different types of chronic pancreatitis.
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| Abstract |
Lithostathine may play a physiological role in preventing the precipitation of excess calcium in the pancreatic juice. The hypothesis has been advanced that in chronic calcifying pancreatitis the abnormal biosynthesis of lithostathine might be the original defect to which genetic proneness to the disease may be ascribed. The aim of the present work was to study lithostathine messenger RNA expression in the pancreas of patients with different types of pancreatitis. Lithostathine and chymotrypsinogen mRNA were determined in surgical specimens obtained from the pancreases of the following subjects: (a) 13 patients with chronic alcoholic pancreatitis (84.6% calcified); (b) 4 patients with chronic hereditary pancreatitis (all calcified); (c) 6 patients with chronic obstructive pancreatitis (4 calcified); and (d) 27 subjects suffering from pancreatic cancer. Significantly lower concentrations of both mRNAs were found in the pancreases of chronic pancreatitis patients than in non-cancerous tissue from pancreatic cancer subjects. However, about 70% of the pancreatic cancer subjects showed lithostathine and chymotrypsinogen mRNA levels comparable to those of chronic pancreatitis patients. These results indicate that the decrease in the level of mRNA is not specific to lithostathine and it is unrelated to the presence of pancreatic stones.
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| Authors | G Cavallini, P Bovo, E Bianchini, A Carsana, C Costanzo, M Merola, D Sgarbi, L Frulloni, V Di Francesco, M Libonati, M Palmieri |
| Journal | Molecular and cellular biochemistry (Mol Cell Biochem) Vol. 185 Issue 1-2 Pg. 147-52 (Aug 1998) ISSN: 0300-8177 [Print] Netherlands |
| PMID | 9746220 (Publication Type: Comparative Study, Journal Article, Research Support, Non-U.S. Gov't) |
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