Chemistry:SB-205384
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| Formula | C17H18N2O3S |
| Molar mass | 330.40 g·mol−1 |
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SB-205384 is an anxiolytic drug. It has similar effects to benzodiazepine drugs, but is structurally distinct and so is classed as a nonbenzodiazepine anxiolytic.
SB-205384 is a GABAA positive allosteric modulator, which binds preferentially to α3, α5, and α6 subunit containing subtypes.[1][2] It has a novel mechanism of action, prolonging the duration of GABA-mediated chloride flux but without increasing the intensity of the response, and this may give it an unusual pharmacological profile,[3] with tests showing that it alters the firing of some populations of neurons while leaving others unaffected.[4] Animal studies have shown it to produce both anxiolytic and anti-aggressive effects, but with little sedation or other behavioural changes.[5][6]
References
- ↑ "SB-205384 is a positive allosteric modulator of recombinant GABAA receptors containing rat α3, α5, or α6 subunit subtypes coexpressed with β3 and γ2 subunits". The Journal of Pharmacology and Experimental Therapeutics 347 (1): 235–41. October 2013. doi:10.1124/jpet.113.207324. PMID 23902941.
- ↑ "SB-205384: a GABA(A) receptor modulator with novel mechanism of action that shows subunit selectivity". British Journal of Pharmacology 123 (6): 1253–9. March 1998. doi:10.1038/sj.bjp.0701721. PMID 9559912.
- ↑ "Effect of SB-205384 on the decay of GABA-activated chloride currents in granule cells cultured from rat cerebellum". British Journal of Pharmacology 121 (7): 1334–8. August 1997. doi:10.1038/sj.bjp.0701251. PMID 9257911.
- ↑ "Diversity of GABA(A) receptor synaptic currents on individual pyramidal cortical neurons". The European Journal of Neuroscience 25 (3): 723–34. February 2007. doi:10.1111/j.1460-9568.2007.05331.x. PMID 17313570.
- ↑ "Anxiolytic-like activity of SB-205384 in the elevated plus-maze test in mice". Psicothema 18 (1): 100–4. February 2006. PMID 17296016.
- ↑ "Effects of SB-205384, a positive modulator of alpha3-subunit-containing GABA-A receptors, on isolation-induced aggression in male mice". Psicothema 20 (1): 144–7. February 2008. PMID 18206077.
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