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Metabolic Profile Analysis of Zebrafish Embryos
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Metabolomic Fingerprint Assay in Zebrafish Embryos.

Theodoros G Chatzimitakos1, Ioannis Leonardos2, Constantine D Stalikas1

  • 1Laboratory of Analytical Chemistry, Department of Chemistry, University of Ioannina, Ioannina, Greece.

Methods in Molecular Biology (Clifton, N.J.)
|January 29, 2024
PubMed
Summary
This summary is machine-generated.

This study introduces a metabolomic fingerprint assay using zebrafish embryos to understand drug toxicity mechanisms. It reveals metabolic networks altered by drug exposure, aiding in developmental toxicology research.

Keywords:
1H-NMREmbryosFingerprintMetabolite extractionMetabolomicsOpen-access databasesUHPLC-HRMSZebrafish

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Area of Science:

  • Developmental toxicology
  • Metabolomics
  • Pharmacology

Background:

  • Drug development requires rigorous toxicological evaluation, including teratogenicity studies.
  • Understanding molecular mechanisms of developmental changes induced by drug exposure is crucial.
  • Metabolomics offers insights into cellular chemical composition changes.

Purpose of the Study:

  • To propose a metabolomic fingerprint assay for studying metabolic alterations in zebrafish embryos upon drug exposure.
  • To investigate the molecular mechanisms underlying drug-induced developmental changes.
  • To establish a link between in vivo assays and molecular responses.

Main Methods:

  • Zebrafish embryos were exposed to various drugs.
  • Metabolome extraction and 1H-NMR spectroscopy were performed.
  • Tentative metabolites were identified using databases and confirmed with UHPLC-HRMS.
  • Metabolic pathway analysis was conducted to reveal metabolic networks.

Main Results:

  • A comprehensive metabolomic profile of zebrafish embryos was obtained.
  • Specific metabolic changes and pathways affected by drug exposure were identified.
  • The assay successfully linked drug exposure to alterations in the metabolic network.

Conclusions:

  • The proposed metabolomic fingerprint assay is effective for studying drug effects in zebrafish embryos.
  • This approach provides valuable insights into the molecular mechanisms of developmental toxicity.
  • The findings contribute to a better understanding of drug safety and developmental biology.