Bilirubin conjugate excretion and bilirubin uridine diphosphoglucuronyltransferase activity in nonjaundiced homozygous and heterozygous Gunn rats

G. R. Gourley, R. Arend, W. S. Mogilevsky, G. B. Odell, F. L. Siegel

Research output: Contribution to journalArticle

Abstract

High-performance liquid chromatography was used to analyze the composition of bilirubin conjugates in bile from adult male and female outbred normal (JJ) and heterzygous (Jj) Gunn rats. Bile was examined directly without prior derivatization or extraction. Significantly higher bilirubin diglucuronide and lower bilirubin monoglucuronide (both C-8 and C-12 isomers) excretion in JJ rats was demonstrated. Bilirubin monoglucuronide C-8/C-12 ratios were similar in both genotypes, as was the percentage of bilirubin monoglucuronide monoglycoside diester. Hepatic bilirubin uridine diphosphoglucuronyltransferase activity showed a statistically significant positive correlation with the relative amount of bilirubin diglucuronide present in bile and a significant negative correlation with the amount of bilirubin monoglucuronide. The relative percentage of bilirubin monoglucuronide vs. diglucuronide in bile allows an indirect assessment of hepatic bilirubin uridine diphosphoglucuronyltransferase activity.

Original languageEnglish (US)
Pages (from-to)436-441
Number of pages6
JournalJournal of Laboratory and Clinical Medicine
Volume108
Issue number5
StatePublished - Dec 1 1986

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Gunn Rats
Uridine
Bilirubin
Rats
Bile
Liver
High performance liquid chromatography
Isomers
Genotype
High Pressure Liquid Chromatography
bilirubin glucuronate
Chemical analysis

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Bilirubin conjugate excretion and bilirubin uridine diphosphoglucuronyltransferase activity in nonjaundiced homozygous and heterozygous Gunn rats. / Gourley, G. R.; Arend, R.; Mogilevsky, W. S.; Odell, G. B.; Siegel, F. L.

In: Journal of Laboratory and Clinical Medicine, Vol. 108, No. 5, 01.12.1986, p. 436-441.

Research output: Contribution to journalArticle

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