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Eur J Pharmacol. 1999 Oct 21;383(1):49-51.

The serotonin precursor 5-hydroxytryptophan elevates serum leptin levels in mice.

Author information

1
Department of Pharmacology, Kobe Pharmaceutical University, Motoyamakita-machi, Higashinada-ku, Kobe, Japan. j-yamada@kobepharma-u.ac.jp

Abstract

The effects of a serotonin (5-HT) precursor 5-hydroxytryptophan (5-HTP) on serum leptin levels were investigated in mice. 5-HTP dose dependently increased serum leptin levels in mice. Pretreatment of the peripheral aromatic amino acid decarboxylase inhibitor carbidopa suppressed 5-HTP-induced hyperleptinemia. These results suggest that the secretion of leptin may be modified by serotonergic mechanisms.

PMID:
10556680
[Indexed for MEDLINE]

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