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[The Dose Dependence of 15N-incorporation in Organ Proteins of Newborn Rats After Pulse Labeling With Different Tracers]

[The Dose Dependence of 15N-incorporation in Organ Proteins of Newborn Rats After Pulse Labeling With Different Tracers]

K D Wutzke, T P Zhukova, E G Sorokina, C Plath, I Richter, W Heine, M Friedrich

Arch Tierernahr. Jul-Aug 1987;37(7-8):551-7.

PMID: 3689142

Abstract:

A short-chain 15N-peptide mixture characterized by an average chain length of 2.3 was obtained when 15N-labeled yeast protein has hydrolyzed enzymatically by thermitase from Thermoactinomyces vulgaris. Fifteen newborn Wistar-rats were given a single pulse of [15N]glycine. [15N]H4Cl and [15N]yeast protein-thermitasehydrolysate (YPTH) in a dosage of 50 mg 15N excess kg-1 by gastric tube. In comparison with [15N]glycine the 15N-incorporation rates of brain, muscle and liver were approximately 150% higher after [15N]YPTH-application. Uniform labeling, high 15N-enrichment, almost complete absorption, avoidance of imbalances and the low price make this tracer substance superior to other tracers conventionally used for organ labeling.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP7299334	Glycine-15N		7299-33-4	Price

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