Editing through multiple bonds: Threonine detection

In in vivo H-1 spectroscopy, the signal at 1.32 ppm is usually assigned to lactate. This resonance position is shared with threonine at physiological pH. The similarity of spectral patterns of lactate and threonine renders the separate measurement of either threonine or lactate without and even with editing technically challenging. In this study, the threonine signal was detected using a single-shot multiple-bond editing technique and quantified in vivo in both rat and human brains. A threonine concentration was estimated at 0.8 +/- 0.3 mM (mean +/- SD, n = 6) in the rat brain and at similar to 0.33 mM in the human brain.


Published in:
Magnetic Resonance In Medicine, 59, 245-251
Year:
2008
Publisher:
Wiley-Blackwell
ISSN:
0740-3194
Keywords:
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 Record created 2010-11-30, last modified 2018-03-18

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