Abstract
Comparison of 31P NMR spectra of the rat gastrocnemius, obtained in vivo and from PCA extracts, after electrically induced contractions, demonstrates that glucose-6-phosphate (G6P) is the major metabolite in the low-field part of the PME spectral region. In vivo 31P NMR can thus be used to measure the muscle G6P concentration after exercise.
Publication types
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Animals
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Electric Stimulation
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Glucose-6-Phosphate
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Glucosephosphates / analysis*
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Isometric Contraction / physiology*
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Magnetic Resonance Spectroscopy*
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Male
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Muscles / chemistry
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Muscles / metabolism*
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Physical Exertion / physiology
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Rats
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Rats, Sprague-Dawley
Substances
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Glucosephosphates
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Glucose-6-Phosphate