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Spermidine trihydrochloride
Chemical Name:N-(3-Aminopropyl)-1,4-butanediamine trihydrochloride
Biological Activity:
Binds to the polyamine modulatory site of the NMDA receptor and
has been described as an agonist based on its ability to enhance the binding of
[3H]-MK801.
Williams et al (1989) Effects of polyamines on the binding of [3H]-MK801
to the N-methyl-D-aspartate receptor: pharmacological evidence for the
existence of a polyamine recognition site? Mol.Pharmacol. 36 375.
Munir et al (1993) Polyamines modulate the neurotoxic effects of
NMDA in vivo. Brain Res. 616 163. Kishi et al
(1998) Spermidine, a polyamine site agonist, attenuates working memory deficits
caused by blockade of hippocampal muscarinic receptors and mGluRs in rats. Brain
Res. 793 311.
Displays 26-fold and > 440-fold selectivity over kainate and NMDA receptors respectively. Neuro-protective; delays neuronal death in a global ischaemia model and cerebral infarction in a focal ischaemia model.