Effects of delta9-THC on the synaptosomal uptake of 3H-tryptophan and 3H-choline.

Abstract:

:The in vitro addition of (-)-delta9-tetrahydrocannabinol (delta9-THC) resulted in a dose-responsive inhibition of the high-affinity specific synaptosomal uptake of both 3H-tryptophan and 3H-choline in mouse forebrain crude synaptosomal preparations. The approximate concentrations of delta9-THC required to cause a 50% inhibition of the uptake of 3H-tryptophan and 3H-choline were 33 and 16 muM, respectively. Kinetic analysis showed that inhibition of both compounds were consistent with a noncompetitive mechanism. The pretreatment of mice with doses of 10, 30 or 100 mg/kg delta9-THC had no effect on the subsequent in vitro synaptosomal uptake of either 3H-tryptophan or 3H-choline into forebrain synaptosomes.

journal_name

Pharmacology

journal_title

Pharmacology

authors

Johnson KM,Dewey WL

doi

10.1159/000136839

subject

Has Abstract

pub_date

1978-01-01 00:00:00

pages

83-7

issue

2

eissn

0031-7012

issn

1423-0313

journal_volume

17

pub_type

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