J Chromatogr. 1975 Oct 29;112:523-31.

Mass fragmentography of 5-hydroxytryptophol and 5-methoxytryptophol in human cerebrospinal fluid.

Curtius HC, Wolfensberger M, Redweik U, Leimbacher W, Maibach RA, Isler W.

Abstract

A specific and very sensitive method for the determination of 5-hydroxy-tryptophol (5-HTOL) and 5-methoxytryptophol (5-MTOL) in extracts from human cerebrospinal fluid (CSF) involving the use of mass fragmentography and pentafluoropriopionyl derivatives is described. 5-HTOL and 5-MTOL were determined in human CSF of three patients with leukaemia and from nine patients with neurological disorders. The concentration of free 5-HOT in CSF was in the range of 0.1-33 ng/ml and that of 5-MTOL was 0.3-13.9 ng/ml. For the first time the presence of these compounds in human material has been shown. The concentration of these two alcohols in CSF is markedly lower than the concentration of 5-hydroxyindoleacetic acid. These results suggest that human cerebral 5-hydroxytryptamine is preferentially metabolized to 5-HTOL-hydroxyindoleacetic acid rather than to 5-HTOL and 5-MTOL.

PMID:: 1184685; [PubMed - indexed for MEDLINE]

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Mass fragmentography of 5-hydroxytryptophol and 5-methoxytryptophol in human cerebrospinal fluid.

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