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Journal of Lipid Research, Vol 30, 1673-1679, Copyright © 1989 by Lipid Research, Inc.

ARTICLES

Increased urinary excretion of bile alcohol glucuronides in patients with primary biliary cirrhosis

S Weydert-Huijghebaert, G Karlaganis, EL Renner and R Preisig
Department of Clinical Pharmacology, University of Berne, Switzerland.

The bile alcohol glucuronides in urine of 12 patients with primary biliary cirrhosis (PBC), 10 patients with chronic active hepatitis (CAH), and 6 healthy volunteers were analyzed by capillary gas-liquid chromatography-mass spectrometry. In all subjects studied, the major urinary bile alcohol was found to be 27-nor-5 beta-cholestane-3 alpha,7 alpha,12 alpha,24,25-pentol (C26 pentol). In PBC patients, the excretion of C26 pentol (main isomer) was significantly increased above values observed in healthy volunteers (mean +/- SD = 5.2 +/- 3.5 mumol/24 h, range 1.0-13.4; versus 0.6 +/- 0.3, range 0.4-1.0). In addition, PBC patients excreted increased amounts of other bile alcohols such as isomers of C26 pentol, pentahydroxylated C27 bile alcohols (5 beta-cholestane-3 alpha,7 alpha,12 alpha,24,25-pentol) and 5 beta-cholestane-3 alpha,7 alpha,12 alpha,25,26-pentol) and a hexahydroxylated C26 bile alcohol (27-nor-5 beta-cholestane-3 alpha,7 alpha,12 alpha,24,25,26-hexol). In CAH patients, the excretion of the C26 pentol main isomer ranged from 0.3 to 2.0 mumol/24 h (mean +/- SD = 0.7 +/- 0.5) and did not significantly differ from that in healthy volunteers. Moreover, the bile alcohol profile was comparable to those found in healthy volunteers and PBC patients. These findings show that total urinary bile alcohol glucuronide excretion is significantly increased in primary biliary cirrhosis. A PBC-specific urinary bile alcohol profile, however, does not exist.
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