The experiments indicate that DAT is trafficked into the cell by isoflurane without changing the total amount of DAT in the striatum. The PET data are consistent with this finding, provided that intracellular DAT acquires a conformation that has low affinity for [18F]FECNT. Thus, [18F]FECNT appears to be an excellent agent for measuring plasma membrane-expressed DAT and evaluating DAT trafficking.
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