Title |
Radiosynthesis and in vivo evaluation of a series of substituted 11C-phenethylamines as 5-HT2A agonist PET tracers
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Published in |
European Journal of Nuclear Medicine and Molecular Imaging, December 2010
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DOI | 10.1007/s00259-010-1686-8 |
Pubmed ID | |
Authors |
Anders Ettrup, Martin Hansen, Martin A. Santini, James Paine, Nic Gillings, Mikael Palner, Szabolcs Lehel, Matthias M. Herth, Jacob Madsen, Jesper Kristensen, Mikael Begtrup, Gitte M. Knudsen |
Abstract |
Positron emission tomography (PET) imaging of serotonin 2A (5-HT(2A)) receptors with agonist tracers holds promise for the selective labelling of 5-HT(2A) receptors in their high-affinity state. We have previously validated [(11)C]Cimbi-5 and found that it is a 5-HT(2A) receptor agonist PET tracer. In an attempt to further optimize the target-to-background binding ratio, we modified the chemical structure of the phenethylamine backbone and carbon-11 labelling site of [(11)C]Cimbi-5 in different ways. Here, we present the in vivo validation of nine novel 5-HT(2A) receptor agonist PET tracers in the pig brain. |
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Geographical breakdown
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Demographic breakdown
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