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[Atypical bile acids (author's transl)].

P Back

    Klinische Wochenschrift
    |January 15, 1980
    PubMed
    Summary

    Cholestasis disrupts bile acid metabolism, leading to atypical bile acids in urine. These urinary metabolites may indicate a reawakened prenatal liver synthesis program, not typically seen in adults.

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    Area of Science:

    • Biochemistry
    • Hepatology
    • Metabolomics

    Context:

    • Cholestasis, a liver condition, significantly alters bile acid metabolism in humans.
    • Atypical bile acids, beyond primary ones, appear in cholestasis and are renally excreted as conjugates.
    • Current urinary bile acid profiles lack diagnostic specificity for underlying liver diseases.

    Purpose:

    • To investigate the significance of urinary bile acid patterns in cholestasis.
    • To explore the potential link between intrahepatic cholestasis and 3 beta-hydroxy-5-cholenoic acid metabolism.
    • To understand if urinary bile acid metabolites reflect derepressed developmental gene expression.

    Summary:

    • Bile acid metabolism is disturbed in cholestasis, with atypical forms excreted in urine as sulfates and glucuronides.
    • While urinary bile acids currently don't pinpoint specific diseases, a connection exists between intrahepatic cholestasis and altered 3 beta-hydroxy-5-cholenoic acid metabolism.
    • The observed metabolites suggest a reactivation of a fetal liver bile acid synthesis program in cholestatic adults.

    Impact:

    • Provides insights into the metabolic alterations during cholestasis.
    • May lead to novel diagnostic markers for liver diseases based on urinary bile acid profiles.
    • Suggests a potential link between cholestasis and the reactivation of developmental metabolic pathways.

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