4.5 Article

MRS glucose mapping and PET joining forces: re-evaluation of the lumped constant in the rat brain under isoflurane anaethesia

Journal

JOURNAL OF NEUROCHEMISTRY
Volume 129, Issue 4, Pages 672-682

Publisher

WILEY
DOI: 10.1111/jnc.12667

Keywords

CMR; (glc); glucose transport; isoflurane; lumped constant; magnetic resonance spectroscopic imaging; positron emission tomography

Funding

  1. Swiss National Competence Center for Biomedical Imaging (NCCBI)
  2. Centre d'Imagerie BioMedicale (CIBM) of the UNIL
  3. UNIGE
  4. HUG
  5. CHUV
  6. EPFL
  7. Leenaards Foundation
  8. Jeantet Foundation

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The lumped constant (LC) is a correction factor employed to estimate the glucose metabolic rate (CMRglc) from the metabolic rate of a radioactive glucose analog such as F-18-fluorodeoxyglucose (FDG). By combining FDG positron emission tomography (PET) with magnetic resonance spectroscopic imaging (MRSI) of glucose dynamics, we determined the FDG LC in the rat brain under isoflurane anaesthesia.

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