Posted by linkadge on March 24, 2022, at 15:20:50
In reply to Re: Psychedelics - Mechanisms, posted by undopaminergic on March 19, 2022, at 11:05:08
>I think it is important to note that psychedelics >are *partial* agonists at 5-HT2A receptors. >Serotonin is a full agonist and has no (or very >little) psychedelic potential. The antagonists, as >far as I'm aware, are "full antagonists". So you >would expect drugs that block 5-HT2A to antagonise >psychedelics dose-dependently.
From what I understand too, there are some difference in the localization and/or function in 5-ht2a receptors that respond to serotonin vs. hallucinogens. Something about how hallucinogens active different 2nd messenger systems than serotonin. Way above my head.
Linkadge
poster:linkadge
thread:1119005
URL: http://www.dr-bob.org/babble/20220128/msgs/1119091.html