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  • Title: Acid secretory effect of extracted guinea-pig gastrin on isolated guinea-pig parietal cells.
    Author: Muto N, Tani N, Miwa T.
    Journal: Tokai J Exp Clin Med; 1989 Jun; 14(3):191-7. PubMed ID: 2638766.
    Abstract:
    It was confirmed that histamine, cholinergic drugs and gastrin separately produce acid secretory effects of isolated parietal cells. However, the acid secretory response of isolated parietal cells to gastrin stimulation is known to be weaker than that to histamine or cholinergic drugs, which is different from the acid secretory response found in vivo studies. Tetragastrin and pentagastrin were less potent than histamine and carbachol in stimulating acid secretion in our previous study performed using parietal cells isolated from guinea-pigs. In this study, the effect of gastrin extracted from the pyloric antrum of the guinea-pig on parietal cells isolated from the guinea-pig was investigated based on the assumption that the acid secretory response of isolated parietal cells to gastrin stimulation will be especially good if gastrin isolated from the same species is used.
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