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Research Article Free access | 10.1172/JCI110364

Sulfation of Lithocholate as a Possible Modifier of Chenodeoxycholic Acid-induced Elevations of Serum Transaminase in Patients with Gallstones

J. W. Marks, S. O. Sue, B. J. Pearlman, G. G. Bonorris, P. Varady, J. M. Lachin, and L. J. Schoenfield

Division of Gastroenterology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California 90048

University of California at Los Angeles School of Medicine, Los Angeles, California 90048

Department of Biostatistics, George Washington University, Bethesda, Maryland 20014

Find articles by Marks, J. in: JCI | PubMed | Google Scholar

Division of Gastroenterology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California 90048

University of California at Los Angeles School of Medicine, Los Angeles, California 90048

Department of Biostatistics, George Washington University, Bethesda, Maryland 20014

Find articles by Sue, S. in: JCI | PubMed | Google Scholar

Division of Gastroenterology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California 90048

University of California at Los Angeles School of Medicine, Los Angeles, California 90048

Department of Biostatistics, George Washington University, Bethesda, Maryland 20014

Find articles by Pearlman, B. in: JCI | PubMed | Google Scholar

Division of Gastroenterology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California 90048

University of California at Los Angeles School of Medicine, Los Angeles, California 90048

Department of Biostatistics, George Washington University, Bethesda, Maryland 20014

Find articles by Bonorris, G. in: JCI | PubMed | Google Scholar

Division of Gastroenterology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California 90048

University of California at Los Angeles School of Medicine, Los Angeles, California 90048

Department of Biostatistics, George Washington University, Bethesda, Maryland 20014

Find articles by Varady, P. in: JCI | PubMed | Google Scholar

Division of Gastroenterology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California 90048

University of California at Los Angeles School of Medicine, Los Angeles, California 90048

Department of Biostatistics, George Washington University, Bethesda, Maryland 20014

Find articles by Lachin, J. in: JCI | PubMed | Google Scholar

Division of Gastroenterology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California 90048

University of California at Los Angeles School of Medicine, Los Angeles, California 90048

Department of Biostatistics, George Washington University, Bethesda, Maryland 20014

Find articles by Schoenfield, L. in: JCI | PubMed | Google Scholar

Published November 1, 1981 - More info

Published in Volume 68, Issue 5 on November 1, 1981
J Clin Invest. 1981;68(5):1190–1196. https://doi.org/10.1172/JCI110364.
© 1981 The American Society for Clinical Investigation
Published November 1, 1981 - Version history
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Abstract

Chenodeoxycholic acid (CDC), through its metabolite, lithocholic acid (LC), is hepatotoxic in certain species. The cause of elevations of serum transaminase in 25% of humans ingesting CDC, however, is unknown, but also may be due to LC. Because efficient hepatic sulfation of LC may protect against hepatic injury, the aim of this study was to determine if sulfation of LC might modify CDC-induced elevations of transaminase. Pretreatment sulfation fraction (SF) was estimated in 63 randomly selected patients with gallstones in a double-blind randomized trial of CDC, 750 mg/d, 375 mg/d, or placebo; in 27 of these, SF was repeated at 1 or 2 yr. In four other patients, the SF was measured at 2 yr only. Serum glutamic oxaloacetic transaminase and serum glutamic pyruvic transaminase were determined monthly for 3 mo and then every 3 or 4 mo; an elevation of transaminase was defined as > 150% of the normal upper limit in asymptomatic patients. 10 μCi of 3H-glyco-LC (sp act 84 mCi/mol) was ingested 10-12 h before fasting duodenal biliary drainage. Bile acids in bile were separated by thin-layer chromatography. The SF was estimated as a percentage of total radioactivity (scintillation counting) in sulfated glyco-LC. The standard deviation for replicate SF determinations (n = 311) was 2.1% The pretreatment SF (mean 60.7±1.7 SEM) correlated inversely with age (r = 0.336, P < 0.005) and directly with the obesity index (r = 0.495, P > 0.001), but was independent of sex. The SF, remeasured at 1 or 2 yr, did not change significantly with time or CDC. Among CDC-treated patients, elevations of transaminase occurred in 75% of patients with a SF < 45% vs. 11% with a SF > 45% (P < 0.001). In conclusion, a SF < 45% occurred in patients with gallstones who had a high probability of developing elevated serum transaminase when treated with CDC. Thus, sulfation of lithocholate may modify CDC-induced elevations of serum transaminase.

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