E A Kunysz

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1. Muscarinic receptors present in the human astrocytoma cell line 1321 N1 were characterized in radioligand binding studies and in functional studies of carbachol-stimulated phosphatidylinositol (PI) turnover. 2. In radioligand binding studies the muscarinic receptor in intact cells could be labelled using [3H]-N-methylscopolamine ([3H]-NMS) but not by(More)
1. The action of hexamethonium has been studied at a range of muscarinic receptors in vitro by use of both functional and radioligand binding studies. 2. In functional studies, hexamethonium exhibited little or no significant (P less than 0.05) antagonism of contractile responses to carbachol at muscarinic receptors in the guinea-pig ileum, oesophageal(More)
Previous studies have demonstrated species-specific differences in 5-hydroxytryptamine3 (5-HT3) receptors, but unequivocal evidence of 5-HT3 receptor subtypes, within a species, has not yet been obtained. The purpose of the current study was to test for heterogeneity in 5-HT3 receptors in murine tissues. 5-HT3 receptors in membranes derived from brain(More)
The anatomical structure of the olfactory organs, nerve tracts and brain was described in Silurus glanis. The changes connected with aging were considered. The olfactory lamellae are thin and tightly set in a rosette. In the 1 year old individuals there are 48...51 lamellae in a single rosette. This number increases gradually with age and in the 9...10 year(More)
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