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The uptake of tritiated delta 1-tetrahydrocannabinol by the isolated vas deferens of the rat

1 Weighed stripped vasa deferentia were incubated in Holman's solution containing (a) [14C]-sorbitol 0.014 mm, (b) [3H]-noradrenaline ([3H]-NA) 12.31 nM, (c) [3H]-tetrahydrocannabinol ([3H]-delta1-THC) 1 mug/ml for 5, 10, 20 and 30 minutes. 2 Tissues were washed, dissolved in Protosol, counted...

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Bibliographic Details
Published in:British journal of pharmacology 1976-04, Vol.56 (4), p.413-416
Main Authors: Egan, S M, Graham, J D, Lewis, M J
Format: Article
Language:English
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Summary:1 Weighed stripped vasa deferentia were incubated in Holman's solution containing (a) [14C]-sorbitol 0.014 mm, (b) [3H]-noradrenaline ([3H]-NA) 12.31 nM, (c) [3H]-tetrahydrocannabinol ([3H]-delta1-THC) 1 mug/ml for 5, 10, 20 and 30 minutes. 2 Tissues were washed, dissolved in Protosol, counted by standard scintillation counting technique and 'drug space' expressed as ct min-1 mg-1 tissue/ct min-l mul-1 bathing fluid. 3 Vasa incubated for 30 min with [14C]-sorbitol were washed for varying lengths of time; 82% clearance had taken place after 2 washes of 5 minutes. 4 The uptake of [3H]-NA was inhibited by the presence of desmethylimipramine (DMI) 10 nM in the bath or by pretreatment of rats with 6-hydroxydopamine (6-OHDA). 5 The uptake of [3H]-delta 1-THC was not inhibited by the presence of DMI. It was reduced but not abolished by 6-OHDA pretreatment.
ISSN:0007-1188
1476-5381
DOI:10.1111/j.1476-5381.1976.tb07451.x