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[(3S,8S,9S,10R,13S,14S,17S)-17-acetyl-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl] hydrogen sulfate
Pregn-sulf; Pregnenolone monosulfate; Pregnenolone hydrogen sulfate; Pregnenolone 3β-sulfate; 5-Pregnen-3β-ol-20-one sulfate; (3β)-3-(Sulfooxy)pregn-5-en-20-one; 5-Pregnen-3β-sulfate-20-one; 20-Oxo-5-pregnen-3β-yl sulfate
CC(=O)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CC=C4[C@@]3(CC[C@@H](C4)OS(=O)(=O)O)C)C
Pregnenolone sulfate (3β-hydroxypregn-5-en-20-one sulfate; abbreviated as PS) is an endogenous excitatory neurosteroid that is synthesized from pregnenolone.[1][2] It is known to have cognitive and memory-enhancing, antidepressant, anxiogenic, and proconvulsant effects.[2]
Pregnenolone sulfate is a neurosteroid with excitatory effects in the brain, acting as a potent negative allosteric modulator of the GABAA receptor and a weak positive allosteric modulator of the NMDA receptor.[1][2] To a lesser extent, it also acts as a negative allosteric modulator of the AMPA, kainate, and glycine receptors,[3][4] and may interact with the nACh receptors as well.[1] In addition to its effects on ligand-gated ion channels, pregnenolone sulfate is an agonist of the sigma receptor,[2] as well as an activator of the TRPM1 and TRPM3 channels.[1] It may also interact with potassium channels and voltage-gated sodium channels.[1]
Note: See for a full list of GABAA PAMs.
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