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Related Experiment Video

Updated: Jul 26, 2025

Bioorthogonal Chemical Imaging of Cell Metabolism Regulated by Aromatic Amino Acids
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Metabolic imaging with deuterium labeled substrates.

Jacob Chen Ming Low1, Alan J Wright1, Friederike Hesse1

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Deuterium metabolic imaging (DMI) offers a non-invasive method to study tissue metabolism. Its rapid signal acquisition allows for effective in vivo imaging of metabolism and cell death using deuterated compounds.

Keywords:
DeuteriumHyperpolarized-(13)CMetabolismPET

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Area of Science:

  • Biomedical imaging
  • Metabolic imaging
  • Nuclear magnetic resonance

Background:

  • Deuterium metabolic imaging (DMI) is an emerging technique for non-invasive investigation of tissue metabolism.
  • Short T1 values of 2H-labeled metabolites enable rapid signal acquisition, compensating for lower detection sensitivity.
  • DMI shows potential for in vivo imaging of metabolism and cell death.

Purpose of the Study:

  • To evaluate Deuterium metabolic imaging (DMI).
  • To compare DMI with established metabolic imaging techniques like PET and 13C MR imaging.
  • To highlight the potential of DMI in clinical applications.

Main Methods:

  • Utilized DMI with various deuterated substrates, including [6,6'-2H2]glucose, [2H3]acetate, [2H9]choline, and [2,3-2H2]fumarate.
  • Acquired rapid signals due to short T1 values of 2H-labeled metabolites.
  • Compared DMI findings with PET measurements of FDG uptake and 13C MR imaging of hyperpolarized substrates.

Main Results:

  • Demonstrated the considerable potential of DMI for imaging tissue metabolism and cell death in vivo.
  • Showcased the ability of DMI to perform rapid signal acquisition.
  • Provided a comparative evaluation of DMI against PET and 13C MR imaging.

Conclusions:

  • DMI is a clinically applicable technique for non-invasive investigation of tissue metabolism.
  • The short T1 values of 2H-labeled metabolites are advantageous for DMI.
  • DMI holds significant promise for advancing metabolic imaging research and clinical practice.