C16 (drug)

C16
Identifiers
IUPAC name
  • 6,8-Dihydro-8-(1H-imidazol-5-ylmethylene)-7H-pyrrolo[2,3-g]benzothiazol-7-one
CAS Number
PubChem CID
ChemSpider
UNII
ECHA InfoCard100.211.648
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Chemical and physical data
FormulaC13H8N4OS
Molar mass268.29 g·mol−1
3D model (JSmol)
SMILES
  • O=c3[nH]c2ccc1ncsc1c2c3=Cc4c[nH]cn4
InChI
  • InChI=1S/C13H8N4OS/c18-13-8(3-7-4-14-5-15-7)11-9(17-13)1-2-10-12(11)19-6-16-10/h1-6H,(H,14,15)(H,17,18)/b8-3-
  • Key:VFBGXTUGODTSPK-BAQGIRSFSA-N

C16 (PKRi, GW 506033X) is a drug which acts as a selective inhibitor of the enzyme double-stranded RNA-dependent protein kinase (PKR). It has been shown to effectively inhibit PKR function in vivo and has neuroprotective and nootropic effects in animal studies.[1][2][3][4][5][6][7][8]

See also

References

  1. Jammi, NV; Whitby, LR; Beal, PA (Aug 2003). "Small molecule inhibitors of the RNA-dependent protein kinase". Biochemical and Biophysical Research Communications. 308 (1): 50–7. doi:10.1016/s0006-291x(03)01318-4. PMID 12890478.
  2. Shimazawa, M; Hara, H (Dec 2006). "Inhibitor of double stranded RNA-dependent protein kinase protects against cell damage induced by ER stress". Neuroscience Letters. 409 (3): 192–5. doi:10.1016/j.neulet.2006.09.074. PMID 17055645. S2CID 43133290.
  3. Ingrand, S.; Barrier, L.; Lafay-Chebassier, C.; Fauconneau, B.; Page, G. N.; Hugon, J. (2007). "The oxindole/imidazole derivative C16 reduces in vivo brain PKR activation". FEBS Letters. 581 (23): 4473–4478. doi:10.1016/j.febslet.2007.08.022. PMID 17761171.
  4. Chen, H. M.; Wang, L.; d'Mello, S. R. (2008). "A chemical compound commonly used to inhibit PKR, {8-(imidazol-4-ylmethylene)-6H-azolidino[5,4-g] benzothiazol-7-one}, protects neurons by inhibiting cyclin-dependent kinase". European Journal of Neuroscience. 28 (10): 2003–2016. doi:10.1111/j.1460-9568.2008.06491.x. PMC 3320856. PMID 19046382.
  5. Couturier, J; Morel, M; Pontcharraud, R; Gontier, V; Fauconneau, B; Paccalin, M; Page, G (Jan 2010). "Interaction of double-stranded RNA-dependent protein kinase (PKR) with the death receptor signaling pathway in amyloid beta (Abeta)-treated cells and in APPSLPS1 knock-in mice". Journal of Biological Chemistry. 285 (2): 1272–82. doi:10.1074/jbc.M109.041954. PMC 2801255. PMID 19889624.
  6. Zhu PJ, Huang W, Kalikulov D, Yoo JW, Placzek AN, Stoica L, Zhou H, Bell JC, Friedlander MJ, Krnjevic K, Noebels JL, Costa-Mattioli M (2011). "Suppression of PKR Promotes Network Excitability and Enhanced Cognition by Interferon-γ-Mediated Disinhibition". Cell. 147 (6): 1384–1396. doi:10.1016/j.cell.2011.11.029. PMC 3569515. PMID 22153080.
  7. Hwang KD, Bak MS, Kim SJ, Rhee S, Lee YS. Restoring synaptic plasticity and memory in mouse models of Alzheimer's disease by PKR inhibition. Mol Brain. 2017;10(1):57. doi:10.1186/s13041-017-0338-3
  8. Gal-Ben-Ari S, Barrera I, Ehrlich M, Rosenblum K. PKR: A Kinase to Remember. Front Mol Neurosci. 2019;11:480. doi:10.3389/fnmol.2018.00480


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