A number of published studies have questioned the serotonin neurotoxic potential of 3,4-methylenedioxymethamphetamine (MDMA, "ecstasy") and related drugs (fenfluramine, p-chloroamphetamine) based upon results from Western blot studies using a custom synthesized serotonin transporter (SERT) antibody that found no reduction in the abundance of a 50kDa protein after substituted amphetamine...