NAN-190 is a drug and research chemical widely used in scientific studies. It was previously believed to act as a selective 5-HT1A receptor antagonist, but a subsequent discovery showed that it also potently blocks the α2-adrenergic receptor.[1] The new finding has raised significant concerns about studies using NAN-190 as a specific serotonin receptor antagonist.[1]

References

  1. ^ a b Foong JP, Bornstein JC (2009). "5-HT antagonists NAN-190 and SB 269970 block alpha2-adrenoceptors in the guinea pig". NeuroReport. 20 (3): 325–330. doi:10.1097/WNR.0b013e3283232caa. PMID 19190523. S2CID 25499247.