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The effects of different neuroactive agents on cyclic AMP level of selected ganglia of Planorbis corneus were studied. Serotonin, dopamine and prostaglandin E(2) were capable of increasing significantly cyclic AMP synthesis in all the preparations. When such substances were tested in pairs, supra-additive effects were always observed. In high Ca(2+)-high(More)
Adenylate cyclase activity has been measured in segmental ganglia of the leech Hirudo m. Basal enzymatic activity was stimulated in a dose dependent fashion by serotonin. GTP is required in order to evoke maximal stimulation. The effect was blocked by methysergide, an antagonist of serotonin at receptor level. The stimulation of the enzyme was prevented by(More)
  • Robert Bacalja, Nedjeljka Balić-Nižić, +25 authors DAMIR PIPLICA
  • 2012
Trajanje mandata guvernera središnje banke kao jamac održavanja monetarne stabilnosti u Hrvatskoj 4 Damir Piplica Izvorni znanstveni članak / Original scientific paper Guverner Nadnevak imenovanja Nadnevak prestanka Ukupno trajanje mandata TOR Ante Čičin-Šain 24. Tablica br. 3 Rezultati multiple regresije (vlastiti izračun) Reference:
The effect of RMI 12330A, an inhibitor of basal as well as serotonin-stimulated adenylate cyclase in the segmental ganglia of the leech Hirudo medicinalis, has been tested on cyclic AMP-phosphodiesterase activity in the same tissue. The drug dose-dependently inhibits high and low affinity enzyme, an effect first evident at an RMI 12330A concentration of 0.5(More)
The effects of Mn2+ and calmodulin were studied on the basal and agonist-modulated adenylate cyclase activity of the guinea pig superior cervical ganglion. The divalent cation strongly stimulates the basal and agonist-modulated enzyme in a concentration-dependent manner. Moreover, in the presence of Mn2+ the inhibitory effects of "high" GTP concentrations(More)
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