Stimulants and cathinones
Stimulants can inhibit monoamine uptake, induce transporter-mediated release, interact with receptors, or combine these mechanisms. A shared marketing category does not predict a shared dopamine-to-serotonin profile.
Section 1Synthetic cathinonesThe beta-keto group defines the cathinone scaffold, while ring and amine substitutions tune transporter activity.
Methylone, ethylone and pentylone
Methylenedioxy cathinones
Cell-based transporter studies show that cathinones can differ substantially in dopamine, norepinephrine and serotonin uptake inhibition and release.
Analytical noteRecord positional isomers and salt form. GC-MS alone may not resolve every isomer without a validated separation.
Pentedrone, 3-FMC and 4-MEC
Substituted cathinones
These compounds illustrate how alkyl-chain length and ring substitution shift transporter profiles. In-vitro comparisons are mechanistic data, not direct clinical potency tables.
Analytical noteUse named standards for positional isomers and retain qualifier-ion ratios across the calibrated range.
Section 2Reading transporter dataDAT, NET and SERT results answer separate questions and depend on the assay system.
Uptake inhibition versus release
Transporter blockers and substrates
A compound can block uptake, drive reverse transport, or do both differently across monoamine systems. Assay concentration, cell line and endpoint need to travel with the reported value.
Analytical noteCompare like measurement types and units. Do not rank compounds by mixing IC50, EC50 and binding affinity values.
References
Historical books are included for provenance. Linked journal records and data services support the modern research and analytical sections.
- Monoamine transporter profiles of designer cathinonesSimmler et al., Neuropharmacology, 2014. PMID 24275046.
- Cathinone NPS interactions with human transporters and receptorsSimmler and Liechti, Current Topics in Behavioral Neurosciences, 2017. PMID 27272068.
- ChEMBL web-services documentationEuropean Bioinformatics Institute.