Summary
The suprachiasmatic nucleus (SCN) has been identified as a major circadian pacemaker. Methamphetamine has been shown to modify the behavior of circadian rhythms. We detected extracellular serotonin (5-HT) and its metabolite 5-hydroxyindoleacetic acid (5-HIAA) in the SCN in freely moving rats, using a microdialysis method, to investigate biochemical effects of methamphetamine in the SCN. Methamphetamine infusion into the SCN dose-dependently increased extracellular 5-HT and decreased extracellular 5-HIAA.
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Ozaki, N., Nakahara, D., Kasahara, Y. et al. The effect of methamphetamine on serotonin and its metabolite in the suprachiasmatic nucleus: A microdialysis study. J. Neural Transmission 86, 175–179 (1991). https://doi.org/10.1007/BF01250703
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DOI: https://doi.org/10.1007/BF01250703