U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

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Showing 341 - 350 of 993 results

Status:
Other

Class (Stereo):
CHEMICAL (ACHIRAL)

Status:
Other

Class (Stereo):
CHEMICAL (RACEMIC)

Methiopropamine (MPA) is a structural analog to methamphetamine and is categorized as a novel psychoactive substance that needs to be controlled. MPA appeared in 2011 and is an analog of methamphetamine, sold as, for example, "Slush Eric" and "Blow." It is reported to have effects similar to those of methamphetamine, but the toxicity in humans is not known. Three fatal cases involving MPA have been reported. MPA functions as a selective norepinephrine-dopamine reuptake inhibitor and displays negligible activity as a serotonin reuptake inhibitor. Experiments on rodents allowed to suggest that repeated injection of MPA provoked certain neuronal changes involving specific, likely D2, dopamine receptor-mediated pathways that contribute to the expression of MPA-induced locomotor sensitization.
Status:
Other

Class (Stereo):
CHEMICAL (ACHIRAL)


(+)-octopamine is an enantiomer of octopamine, a naturally occurring phenolamine acting as a neurotransmitter in invertebrates. Octopamine is considered to be trace amine present in mammalian tissues at very low (nanomolar) concentrations. Generally, the (+)-enantiomers of octopamine are less active than the (-)-enantiomers at adrenergic receptors. However (+)-octopamine is more potent than the (-)-octopamine as an inhibitor of semicarbazide-sensitive amine oxidase.