Metabolism of bile alcohols in the perfused rabbit liver - C26 bile alcohols |
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| Authors: | B I Cohen T Kuramoto M A Rothschild R Graham E H Mosbach |
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| Institution: | 1. Department of Lipid Research Public Health Research Institute of The City of New York, Inc. 455 First Avenue, New York, N.Y. 10016 USA;2. Radioisotope Service Manhattan Veterans Administration Hospital New York, N.Y. 10010 USA |
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| Abstract: | The metabolism of a C26 bile alcohol (I, 24-nor-5beta-cho-lestane-3alpha, 7alpha,25-triol) was studied in the isolated perfused rabbit liver. The new bile alcohol and bile acid metabolites secreted into the bile were isolated and identified by a combination of TLC, GLC and GLC-MS. The following bile alcohols were found: II, 24-nor-5beta-cholestane-3alpha,7alpha,12alpha,25-tetrol, III, 24-nor-5beta-cholestane-3alpha,7alpha,12alpha,25,26-pentol; IV, 24-nor-5beta-cholest-23-ene-3alpha,7alpha,12alpha-triol; and V, 24-nor-5beta-cholest-23-ene-3alpha,7alpha-diol. In the bile acid fraction, 24-nor-cholic acid and 3alpha,7alpha,12alpha-trihydroxy-24-nor-5beta-cholest-23-en-26-oic acid were present. The perfused nor-triol was not resistant to 12alpha-hydroxylation. |
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