Title : Iodine-123 labelled nor-beta-CIT binds to the serotonin transporter in vivo as assessed by biodistribution studies in rats.

Pub. Date : 1998 Dec

PMID : 9871099






8 Functional Relationships(s)
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1 Iodine-123 labelled nor-beta-CIT binds to the serotonin transporter in vivo as assessed by biodistribution studies in rats. Iodine-123 citron rho-interacting serine/threonine kinase Rattus norvegicus
2 Iodine-123 labelled 2beta-carbomethoxy-3beta-4-iodophenylnortropane (nor-beta-CIT), a radioiodinated cocaine analogue, was evaluated as an agent for the in vivo labelling of serotonin transporters by biodistribution studies in rats. Iodine-123 citron rho-interacting serine/threonine kinase Rattus norvegicus
3 Iodine-123 labelled 2beta-carbomethoxy-3beta-4-iodophenylnortropane (nor-beta-CIT), a radioiodinated cocaine analogue, was evaluated as an agent for the in vivo labelling of serotonin transporters by biodistribution studies in rats. 2beta-carbomethoxy-3beta-4-iodophenylnortropane citron rho-interacting serine/threonine kinase Rattus norvegicus
4 Intravenous injection of [123I]nor-beta-CIT resulted in high accumulation of radioactivity in brain areas with high densities of serotonin (hypothalamus) and dopamine transporters (striatum), although the binding was less pronounced in the hypothalamus. Iodine-123 citron rho-interacting serine/threonine kinase Rattus norvegicus
5 Intravenous injection of [123I]nor-beta-CIT resulted in high accumulation of radioactivity in brain areas with high densities of serotonin (hypothalamus) and dopamine transporters (striatum), although the binding was less pronounced in the hypothalamus. Serotonin citron rho-interacting serine/threonine kinase Rattus norvegicus
6 While binding of [123I]nor-beta-CIT in the hypothalamus was blocked significantly by fluvoxamine (a selective serotonin transporter blocker) but not by GBR12,909 (a selective dopamine transporter blocker), the opposite was observed in the striatum. Fluvoxamine citron rho-interacting serine/threonine kinase Rattus norvegicus
7 The results of this study indicate that [123I]nor-beta-CIT, although not being a selective radioligand, binds specifically to serotonin transporters in the hypothalamus in vivo and thus suggest that [123I]nor-beta-CIT promises to be a suitable radioligand for single-photon emission tomography imaging of serotonin transporters in humans. Iodine-123 citron rho-interacting serine/threonine kinase Rattus norvegicus
8 The results of this study indicate that [123I]nor-beta-CIT, although not being a selective radioligand, binds specifically to serotonin transporters in the hypothalamus in vivo and thus suggest that [123I]nor-beta-CIT promises to be a suitable radioligand for single-photon emission tomography imaging of serotonin transporters in humans. Iodine-123 citron rho-interacting serine/threonine kinase Rattus norvegicus