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“A low concentration (10(-7) M) of a calcium ionophore, A23187, enhanced the hypoxic contraction in the presence of histamine , whereas procaine completely inhibited it.”
“With novocaine treatment of preparations histamine decreased responses of trachea by 19-30% at preganglionic stimulation, while responses of bronchus reduced by 8.2% only.”
Neuroscience and Behavioral Physiology • 2004 | View Paper
“4 Five structurally distinct K+ channel blockers (apamin, crude scorpion venom, procaine , quinidine and tetraethylammonium) attenuated the vasodilator effect of ACh, histamine and A23187.”
British journal of pharmacology • 1990 | View Paper
“4 In the absence and presence of indomethacin, TEA (10 mm) and procaine (5 mm) markedly reduced the membrane noise and hyperpolarizing transients evoked by ACh or histamine without augmenting the evoked tension.”
British journal of pharmacology • 1988 | View Paper
“ Procaine , verapamil, EDTA and DSCG exerted the protective action on the ileum against histamine either when the drugs were present in the organ bath or after they were washed out.”
The Journal of pharmacology and experimental therapeutics • 1969 | View Paper
“Sodium salicylate and procaine blocked the effect of histamine and acetyylcholine given into the mesenteric artery and also abolished that of bradykinin injected into the femoral artery.”