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Cyclothiazide
Chemical Name:6-Chloro-3,4-dihydro-3-(5-norbornen-2-yl)-2H-1,2,4-benz
othiazidiazine-7-sulfonamide-1,1-dioxide
Biological Activity:
Positive allosteric modulator of AMPA receptors that potently
inhibits AMPA receptor desensitisation. Selective for the flip variant of each
of the four receptor subunits.
Desai et al (1995) Cyclothiazide acts at a site on the α-amino-3-hydroxy-5-methyl-4-isoxazole
propionic acid receptor complex that does not recognise competitive or
noncompetitive AMPA receptor antagonists. J.Pharmacol.Exp.Ther. 272 38.
Donevan and Rogawski (1998) Allosteric regulation of α-amino-3-hydroxy-5-methyl-4-isoxazole
propionic acid receptors by thiocyanate and cyclothiazide at a common
modulatory site distinct from that of 2,3-benzodiazepines. Neuroscience 87
615. Kessleret al (2000) The norbornenyl moiety of cyclothiazide
determines the preference for flip-flop variants of AMPA receptor subunits.
Neurosci.Lett. 287 161.