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Purpose The aim of this study was to determine whether the brain uptake of [18F]Mefway is influenced by the action of P-glycoprotein (P-gp) and breast cancer resistance protein (Bcrp) in rodents. Procedures [18F]Mefway was applied to rats pharmacologically inhibited with tariquidar (TQD) and to genetically disrupted mice. Results Pretreatment of TQD results in 160 % higher hippocampal uptake compared...
Purpose: To compare the cerebral uptake and binding potential of [18F]FCWAY and [18F]Mefway in the rodent to assess their potential for imaging serotonin 1A (5‐HT1A) receptors. Materials and Methods: In vitro liver microsomal studies were performed to evaluate the degree of defluorination. Dynamic positron emission tomography (PET) studies were then conducted for 2 h with or without an anti‐defluorination...
Stress affects the serotonergic system, which is associated with depression. Previous research has showed that chronic stress causes the deactivation of the limbic system. However, the influence of the acute physical stress on the serotonergic system in vivo was primarily unclear. The purpose of this research is to elucidate the effects of the acute physical stress in vivo using PET. For quantification...
Introduction: [18F]MeFWAY has been developed for imaging the serotonin 1A receptors in the brain. The purpose of this study were to verify the metabolic stability of [18F]MeFWAY, to measure the degree of defluorination of [18F]MeFWAY in vivo, to investigate methods of inhibition of defluorination of [18F]MeFWAY, and to assess the efficacy of [18F]MeFWAY in rat brains in vivo. Methods: MicroPET experiments...
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