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Our findings also help to explain why neuroactive compounds made by plants work on receptors in human brains.
ES does not seem to be an endogenous ligand of benzodiazepine receptors; it probably exerts its effect via GABA receptors.
Open accessJournal ArticleDOI
Amanda J. Roberts, Peter B. Hedlund 
01 Apr 2012-Hippocampus
89 Citations
While more work is required, it appears that 5‐HT7 receptors are particularly important in allocentric representation processes.
This work alters our understanding of the events that drive the activation of class B receptors.
Cyanopindolol may act as a partial agonist at these receptors, as it does at the facilitatory prosynaptic β-adrenoceptors.
The results indicate that subunit composition does substantially influence modulation of GABAA receptors by isoflurane.
Consistent with an intracellular action of GABA, we show that GABA does not act by stabilizing surface receptors.
In addition it binds to, but does not affect, the properties of m4 receptors, thereby demonstrating neutral cooperativity and an 'absolute' selectivity of action at m3 receptors over m4 receptors.
This work further blurs the lines of distinction between natural and synthetic receptors.

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