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  • (-)-Pindolol increases dialysate concentrations of dopamine and noradrenaline, but not serotonin, in the frontal cortex of freely-moving rats.

(-)-Pindolol increases dialysate concentrations of dopamine and noradrenaline, but not serotonin, in the frontal cortex of freely-moving rats.

Neuropharmacology (1999-08-28)
M J Millan, A Gobert
ABSTRACT

(-)-Pindolol (2.5-20.0 mg/kg, s.c.) markedly increased extracellular levels of dopamine (DA) and noradrenaline (NA) in single dialysate samples of the frontal cortex (FCX) of freely-moving rats. This action was specific inasmuch as serotonin (5-HT) levels were not significantly modified. In contrast, (-)-propranolol (2.5) did not modify FCX dialysate levels of DA, NA (or 5-HT) alone and abolished the facilitatory influence of (-)-pindolol (10.0) upon levels of DA, though not NA. In contrast to (-)-propranolol, (-)-pindolol exerts, a facilitatory influence upon frontocortical dopaminergic and adrenergic, but not serotonergic, transmission.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Pindolol, ≥98% (TLC), powder
Sigma-Aldrich
S(–)-Pindolol, solid