Alterations in monoamines level in discrete brain regions and other peripheral tissues in young and adult male rats during experimental hyperthyroidism

•We examined the effect of experimental hyperthyroidism on monoamines levels.•Monoamines were measured in brain regions, plasma, cardiac muscle and adrenal gland.•The study was performed on young and adult male rats.•DA, 5-HT were increased in all tissues along the duration of the experiment.•NE was...

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