Metabolism of obeticholic acid in brown bullhead (Ameiurus nebulosus)
Jazyk angličtina Země Německo Médium print-electronic
Typ dokumentu časopisecké články
PubMed
31093919
DOI
10.1007/s11356-019-05398-2
PII: 10.1007/s11356-019-05398-2
Knihovny.cz E-zdroje
- Klíčová slova
- Ameiurus nebulosus, Fish, Metabolites, Obeticholic acid, UPLC/HRMS,
- MeSH
- chemické látky znečišťující vodu farmakokinetika toxicita MeSH
- ekotoxikologie metody MeSH
- glycin metabolismus MeSH
- hmotnostní spektrometrie MeSH
- Ictaluridae metabolismus MeSH
- kyselina chenodeoxycholová analogy a deriváty analýza farmakokinetika toxicita MeSH
- taurin metabolismus MeSH
- vysokoúčinná kapalinová chromatografie MeSH
- žluč chemie MeSH
- zvířata MeSH
- Check Tag
- zvířata MeSH
- Publikační typ
- časopisecké články MeSH
- Názvy látek
- chemické látky znečišťující vodu MeSH
- glycin MeSH
- kyselina chenodeoxycholová MeSH
- obeticholic acid MeSH Prohlížeč
- taurin MeSH
Analysis of brown bullhead (Ameiurus nebulosus) bile by ultra performance liquid chromatography high-resolution mass spectrometry (UPLC/HRMS) revealed a series of bile acids similar to those found in humans. Accordingly, we chose this fish as a model organism to examine the metabolism of obeticholic acid, a bile acid used to treat a number of human liver diseases and the one that has the potential to occur as an environmental contaminant. The taurine and glycine conjugates of obeticholic acid and keto-obeticholic acid were identified, as well as the D-cysteinolic acid conjugate of obeticholic acid, likely a metabolite specific to fish. In addition, metabolites of obeticholic acid (sulphate and glucuronide) and several hydroxy-obeticholic acid derivatives were found, representing typical pathways of primary and secondary steroid metabolism. Brown bullhead exposed to obeticholic acid at a dose of 100 mg/kg gave no overt signs of distress or toxicity.
RECETOX Masaryk University Brno Kamenice 126 3 625 00 Brno Czech Republic
Teva Czech Industries s r o Ostravská 29 747 70 Opava Czech Republic
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