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Sb-205,384

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Title: Sb-205,384  
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Sb-205,384

SB-205,384
Systematic (IUPAC) name
but-2-ynyl 4-amino-7-hydroxy-2-methyl-5,6,7,8-tetrahydro-[1]benzothiolo[3,2-e]pyridine-3-carboxylate
Clinical data
Legal status
  • Investigational New Drug
Identifiers
CAS number  YesY
ATC code ?
PubChem
Chemical data
Formula C17H18N2O3S 
Mol. mass 330.401 g/mol
 YesY   

SB-205,384 is an anxiolytic drug. It has similar effects to benzodiazepine drugs, but is structurally distinct and so is classed as a nonbenzodiazepine anxiolytic.

SB-205,384 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

  1. ^ Heidelberg LS, Warren JW, Fisher JL (2013). "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". J. Pharmacol. Exp. Ther. 347 (1): 235–41.  
  2. ^ Meadows, HJ; Kumar, CS; Pritchett, DB; Blackburn, TP; Benham, CD (1998). "SB-205384: a GABAA receptor modulator with novel mechanism of action that shows subunit selectivity".  
  3. ^ Meadows, HJ; Harries, MH; Thompson, M; Benham, CD (1997). "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.  
  4. ^ Ing, T; Poulter, MO (2007). "Diversity of GABA(A) receptor synaptic currents on individual pyramidal cortical neurons". The European Journal of Neuroscience 25 (3): 723–34.  
  5. ^ Navarro, JF; Burón, E; Martín-López, M (2006). "Anxiolytic-like activity of SB-205384 in the elevated plus-maze test in mice". Psicothema 18 (1): 100–4.  
  6. ^ Navarro, JF; Burón, E; Martín-López, M (2008). "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.  



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