What question did this study set out to answer?

To determine the endogenous metabolic consequences and systemic signaling roles of UGT deficiency using comprehensive serum metabolomic profiling in Ugt1-knockout mice.

August 16, 2026ACS Pharmacology & Translational ScienceOpen Access

Regulation of DiverseEndogenous Metabolic and SignalingPathways by UDP-Glucuronosyltransferases (UGTs) Revealed by Metabolomicsof Knockout Mice

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Authors

KFKian Falah JLJiarun Liu NNNghia Nguyen

Discussion

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Overview

Knockout mouse study reveals widespread disruptions in lipid, amino acid, and heme metabolism in Ugt1-deficient mice, indicating essential UGT-mediated organ crosstalk along the gut-liver-kidney axis.

Key Points

To determine the endogenous metabolic consequences and systemic signaling roles of UGT deficiency using comprehensive serum metabolomic profiling in Ugt1-knockout mice.
Conducted comprehensive serum metabolomic profiling comparing pan Ugt1-knockout (Ugt1–/–, N=7) mice against wild-type controls.
Applied Partial Least Squares Discriminant Analysis (PLS-DA), volcano plot analysis, and pathway enrichment analysis to identify altered endogenous metabolites and pathways.
Assessed hepatic gene expression of metabolic nuclear receptors including HNF4a, PPARa, and PXR.
All Ugt1–/– mice (N=7) exhibited markedly elevated serum bilirubin (mean = 5.96 mg/dL) and upregulation of multiple bilirubin degradation products.
Significant metabolic disruptions occurred across fatty acid biosynthesis, glycine-serine metabolism, heme breakdown, porphyrin metabolism, and fatty acid β-oxidation.
Ugt1 deficiency increased liver expression of metabolic nuclear receptors (HNF4a, PPARa, PXR), supporting the remote sensing and signaling theory of inter-organ metabolite routing.

Cite This Study

Falah et al. (2026) studied this question.

synapsesocial.com/papers/6a817a80f2fb91fc834ae51a https://doi.org/10.1021/acsptsci.6c00197

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August 16, 2026ACS Pharmacology & Translational ScienceOpen Access

Regulation of DiverseEndogenous Metabolic and SignalingPathways by UDP-Glucuronosyltransferases (UGTs) Revealed by Metabolomicsof Knockout Mice

View Full Paper

Ask AI

Bookmark

Authors

KFKian Falah JLJiarun Liu NNNghia Nguyen

Discussion

Member takes

Overview

Key Points

To determine the endogenous metabolic consequences and systemic signaling roles of UGT deficiency using comprehensive serum metabolomic profiling in Ugt1-knockout mice.
Conducted comprehensive serum metabolomic profiling comparing pan Ugt1-knockout (Ugt1–/–, N=7) mice against wild-type controls.
Applied Partial Least Squares Discriminant Analysis (PLS-DA), volcano plot analysis, and pathway enrichment analysis to identify altered endogenous metabolites and pathways.
Assessed hepatic gene expression of metabolic nuclear receptors including HNF4a, PPARa, and PXR.
All Ugt1–/– mice (N=7) exhibited markedly elevated serum bilirubin (mean = 5.96 mg/dL) and upregulation of multiple bilirubin degradation products.
Significant metabolic disruptions occurred across fatty acid biosynthesis, glycine-serine metabolism, heme breakdown, porphyrin metabolism, and fatty acid β-oxidation.
Ugt1 deficiency increased liver expression of metabolic nuclear receptors (HNF4a, PPARa, PXR), supporting the remote sensing and signaling theory of inter-organ metabolite routing.

Cite This Study

Falah et al. (2026) studied this question.

synapsesocial.com/papers/6a817a80f2fb91fc834ae51a https://doi.org/10.1021/acsptsci.6c00197

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