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“However, when carbachol was injected in the presence of picrotoxin or GABA was injected in the presence of scopolamine , the effect of GABA or picrotoxin was dominant.”
“Simultaneous administration of GABA agonists with sub-effective doses of anticholinergic agent (scopolamine) did not potentiate antitremor effect of scopolamine, whereas GABA antagonists and effective doses of scopolamine when administered simultaneously resulted in antagonism of protective effect of scopolamine.”
Methods and findings in experimental and clinical pharmacology • 1988 | View Paper
“ Scopolamine and tetrodotoxin completely inhibited the acid secretion induced by low concentrations of GABA and muscimol and to some extent the response induced by high concentrations of muscimol.”
The American journal of physiology • 1987 | View Paper
“At a concentration of 0.1 mmol/L, atropine and scopolamine had only small inhibitory effect reducing the uptake of [3H]GABA to 62%, but syntropan (IC50 5 micromol/L) was more potent inhibitor than flurazepam (IC50 120 micromol/L) in vitro.”
Zhongguo yao li xue bao = Acta pharmacologica Sinica • 1986 | View Paper
“4 The bicuculline‐insensitive relaxation induced by GABA and (—)‐baclofen was prevented by tetrodotoxin and hyoscine but not by phentolamine plus propranolol, naloxone or theophylline.”