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- W2054416984 abstract "We have synthesized N-[3-(2',4'-dichlorophenoxy)-2-18F-fluoropropyl]-N-methylpropar gylamine (18F-fluoroclorgyline) as a potential positron emission tomography (PET) radiotracer for monoamine oxidase A (MAO-A). The radiosynthesis was carried out by a 18F-fluoride-for-mesylate substitution reaction in approximately 20% radiochemical yield in specific activities of 1-2 Ci/micromol. Selectivity for MAO-A was demonstrated by the high affinity of clorgyline (IC50 = 39 nM) and lower affinity of (R)-deprenyl (IC50 > or = 100 microM) for the inhibition of 18F-fluoroclorgyline binding in vitro in rat brain membranes. The uptake of 18F-fluoroclorgyline in the rat brains was high (> 1.0% injected dose/g). The binding of 18F-fluoroclorgyline in the rat brain correlated with the distribution of MAO-A and was inhibited by preadministration of MAO-A inhibitors, clorgyline, and Ro 41-1049, whereas (R)-deprenyl, a MAO-B blocker, had no inhibitory effect. These results suggest that 18F-fluoroclorgyline is a potential PET radiotracer for MAO-A." @default.
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- W2054416984 date "1999-08-01" @default.
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- W2054416984 title "Development of N-[3-(2′,4′-dichlorophenoxy)-2-18F-fluoropropyl]-N-methylpropargylamine (18F-fluoroclorgyline) as a potential PET radiotracer for monoamine oxidase-A" @default.
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- W2054416984 doi "https://doi.org/10.1016/s0969-8051(99)00027-x" @default.
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