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Fig. 6. Effect of melatonin on tryptophan hydroxylase 2 (TPH2) expression in dorsal raphe nucleus (DRN) neurons. (A) Western blots showing TPH2 expression in DRN neurons with melatonin treatment (0.1, 1, and 10 μM) for 4 h. (B) Averaged optical density of TPH2 expression, at 4 h melatonin incubation, expressed relative to control level of TPH2. Each column represents the mean and SEM of data from 15 experiments. *p < 0.05 compared with control.
Korean J Physiol Pharmacol 2021;25:449-457
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