This product is freeze dried. All water molecules have been removed.
Every lot is tried & tested in a relevant biological assay.
Our Bioassay
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- Johansen, T.H. et al. (1995) Mol. Pharmacol. 48, 946.
- Alomone Labs Cyclothiazide potentiates GluA1 channels expressed in Xenopus oocytes.Time course of current reversible potentiation by 1, 10 and 100 μM Cyclothiazide (#C-205) of glutamate-elicited currents (100 μM, holding potential -80 mV).
- 1. Fucile, S. et al. (2006) Proc. Natl. Acad. Sci. U.S.A. 103, 2943.
- Cyclothiazide (CTZ) is one of the most potent benzothiadiazides, a class of positive allosteric modulators of non-NMDA-type glutamate receptors, that inhibit receptor desensitization with a marked selectivity for the flip splice variants of AMPA receptors. Specifically, CTZ is known to produce a fast inhibition of AMPA receptor desensitization and a much slower potentiation of the AMPA current. By using patch-clamp techniques, the effects of CTZ were studied in HEK 293 cells stably transfected with the rat flip GluR1 subunit. The AMPA currents were greatly potentiated by CTZ in a dose-dependent manner. For instance, pretreatment of the cells with 100 μM CTZ increased the peak AMPA current 90-fold (EC50 = 28 μM), the current at the end of AMPA application 636-fold (EC50 = 46 μM), and the current integrals 730-fold (EC50 = 41 μM)1.
Cyclothiazide (#C-205) is a highly pure, synthetic, and biologically active compound.