PMID: 1999314Mar 1, 1991Paper

Increased lysophosphatidylcholine and pancreatic enzyme content in bile of patients with anomalous pancreaticobiliary ductal junction

Hepatology : Official Journal of the American Association for the Study of Liver Diseases
K ShimadaF Nakayama


A high incidence of inflammation and carcinoma of the biliary tract in patients with anomalous pancreaticobiliary ductal junction has been well documented. The change in biliary phospholipids as a result of the reflux of pancreatic juice into the biliary tract through anomalous pancreaticobiliary ductal junction may be responsible for it. We developed a new method of analysis of phospholipid classes using aminopropyl Bond Elut cartridge for extraction and high-performance liquid chromatography for separation. Satisfactory recovery was achieved (i.e., more than 95% for both phosphatidylcholine and lysophosphatidylcholine). With this method, the bile of 11 patients with anomalous pancreaticobiliary ductal junction was examined. The concentration and proportion of lysophosphatidylcholine in bile were much higher in the presence of anomalous pancreaticobiliary ductal junction than in controls (3.44 +/- 1.50 mmol/L vs. 0.52 +/- 0.25 mmol/L, 60.0% +/- 31.0% vs. 2.3% +/- 1.4% in gallbladder bile; p less than 0.001). In contrast, the concentration of phosphatidylcholine and the sum of phosphatidylcholine and lysophosphatidylcholine in gallbladder bile significantly decreased (p less than 0.001), but in hepatic bile they did not. An inv...Continue Reading


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