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4-Methylumbelliferone Targets Revealed by Public Data Analysis and Liver Transcriptome Sequencing.

Alexandra A Tsitrina1,2, Noreen Halimani3, Irina N Andreichenko3

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International Journal of Molecular Sciences
|February 11, 2023
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4-methylumbelliferone (4MU) is a drug that inhibits hyaluronic acid synthesis. This study reveals 4MU targets multiple enzymes and transcription factors, including nuclear receptors, impacting cell metabolism.

Keywords:
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Area of Science:

  • Biochemistry
  • Pharmacology
  • Genomics

Background:

  • 4-methylumbelliferone (4MU) is an approved drug for cholestasis.
  • 4MU exhibits anti-inflammatory, anti-fibrotic, and anti-tumor properties in animal models.
  • Its broad efficacy suggests diverse and unelucidated molecular targets.

Purpose of the Study:

  • To identify the molecular targets of 4-methylumbelliferone (4MU).
  • To elucidate the mechanisms underlying 4MU's diverse pharmacological effects.
  • To investigate 4MU's impact on cellular metabolism and gene expression.

Main Methods:

  • Analysis of public databases: PubChem BioAssay, GO pathways, and Protein Atlas.
  • Comparative liver transcriptome analysis in mice treated with 4MU.
  • Identification of potential enzyme and transcription factor targets.

Main Results:

  • Public database analysis identified enzymes and transcription factors, including 13 nuclear receptors, as potential 4MU targets.
  • Transcriptome analysis revealed modulation of genes involved in bile acid metabolism, gluconeogenesis, and immune response.
  • 4MU administration reduced hepatic glycogen granule accumulation.

Conclusions:

  • 4-methylumbelliferone (4MU) possesses multiple molecular targets.
  • 4MU regulates cellular metabolism, potentially through modulating signaling pathways involving nuclear receptors.
  • These findings provide insights into 4MU's therapeutic potential beyond cholestasis.