Melatonin administration increases the affinity of D2 dopamine receptors in the rat striatum.

作者: Anwar Hamdi

DOI: 10.1016/S0024-3205(99)80008-3

关键词: MelatoninReceptorStriatumInternal medicinePeriod (gene)D2 dopamine receptorsRat striatumDa receptorsDopamineEndocrinologyChemistry

摘要: Abstract Rats receive melatonin (MEL) (476 ± 6.5 μg/kg/day) via their drinking water for 2 weeks. At the end of this period, density D2 dopamine (DA) receptors and affinity [ 3 H]-YM-09151-2 are measured in striatum. MEL treatment increases apparent (decreases Kd) DA H]YM-09151-2 by 48%, while it does not significantly alter (Bmax). These findings indicate that striatum is influenced exposure to MEL. The possible implications these results discussed.

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