2-Aminoindan and its ring-substituted derivatives interact with plasma membrane monoamine transporters and α-adrenergic receptors.

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ID: 26402
2019
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Abstract
Over the last decade, many new psychostimulant analogues have appeared on the recreational drug market and most are derivatives of amphetamine or cathinone. Another class of designer drugs is derived from the 2-aminoindan structural template. Several members of this class, including the parent compound 2-aminoindan (2-AI), have been sold as designer drugs. Another aminoindan derivative, 5-methoxy-2-aminoindan (5-MeO-AI or MEAI), is the active ingredient in a product marketed online as an alcohol substitute.Here, we tested 2-AI and its ring-substituted derivatives 5-MeO-AI, 5-methoxy-6-methyl-2-aminoindan (MMAI), and 5,6-methylenedioxy-2-aminoindan (MDAI) for their abilities to interact with plasma membrane monoamine transporters for dopamine (DAT), norepinephrine (NET) and serotonin (SERT). We also compared the binding affinities of the aminoindans at 29 receptor and transporter binding sites.2-AI was a selective substrate for NET and DAT. Ring substitution increased potency at SERT while reducing potency at DAT and NET. MDAI was moderately selective for SERT and NET, with tenfold weaker effects on DAT. 5-MeO-AI exhibited some selectivity for SERT, having sixfold lower potency at NET and 20-fold lower potency at DAT. MMAI was highly selective for SERT, with 100-fold lower potency at NET and DAT. The aminoindans had relatively high affinity for α-adrenoceptor subtypes. 2-AI had particularly high affinity for α receptors (K = 41 nM) and slightly lower affinity for the α (K = 134 nM) and α (K = 211 nM) subtypes. 5-MeO-AI and MMAI also had moderate affinity for the 5-HT receptor.2-AI is predicted to have (+)-amphetamine-like effects and abuse potential whereas the ring-substituted derivatives may produce 3,4-methylenedioxymethamphetamine (MDMA)-like effects but with less abuse liability.
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halberstadt20192aminoindanpsychopharmacology Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Halberstadt, Adam L;Brandt, Simon D;Walther, Donna;Baumann, Michael H;
Journal psychopharmacology
Year 2019
DOI
10.1007/s00213-019-05207-1
URL
Keywords Keywords not found

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