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Serotonin (5-hydroxytryptamine) turnover in adult female Ascaris suum tissue. 1988

R E Martin, and J Chaudhuri, and M J Donahue
Department of Biological Sciences, University of North Texas, Denton 76203.

1. The 5-hydroxytryptamine (5-HT, serotonin) turnover was examined in the tissues of adult female Ascaris suum. The 5-HT turnover was highest in the intestine at 34.7 ng 5-HT produced/mg protein/hr and 13.8 ng 5-HT produced/mg protein/hr in muscle tissue. 2. The levels of 5-HT metabolites namely tryptophan, 5-hydroxytryptophan, 5-hydroxytryptamine, 5-hydroxyindole acetic acid and 5-hydroxytryptophol were measured in muscle and intestinal tissue of adult A. suum. 3. Parachlorophenylalanine inhibited 5-HT production in muscle and intestinal tissue providing in situ evidence for the presence of tryptophan hydroxylase in this tissue. 4. Pargyline increased 5-HT production in muscle and intestinal tissue providing in situ evidence for the presence of monoamine oxidase in this tissue.

UI MeSH Term Description Entries
D010477 Perfusion Treatment process involving the injection of fluid into an organ or tissue. Perfusions
D002851 Chromatography, High Pressure Liquid Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed. Chromatography, High Performance Liquid,Chromatography, High Speed Liquid,Chromatography, Liquid, High Pressure,HPLC,High Performance Liquid Chromatography,High-Performance Liquid Chromatography,UPLC,Ultra Performance Liquid Chromatography,Chromatography, High-Performance Liquid,High-Performance Liquid Chromatographies,Liquid Chromatography, High-Performance
D005260 Female Females
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001200 Ascaris A genus of nematodes of the superfamily ASCARIDOIDEA whose species usually inhabit the intestine. Ascari
D012701 Serotonin A biochemical messenger and regulator, synthesized from the essential amino acid L-TRYPTOPHAN. In humans it is found primarily in the central nervous system, gastrointestinal tract, and blood platelets. Serotonin mediates several important physiological functions including neurotransmission, gastrointestinal motility, hemostasis, and cardiovascular integrity. Multiple receptor families (RECEPTORS, SEROTONIN) explain the broad physiological actions and distribution of this biochemical mediator. 5-HT,5-Hydroxytryptamine,3-(2-Aminoethyl)-1H-indol-5-ol,Enteramine,Hippophaine,Hydroxytryptamine,5 Hydroxytryptamine

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