HIOC

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HIOC
HIOC.svg
Clinical data
ATC code
  • None
Identifiers
  • N-[2-(5-Hydroxy-1H-indol-3-yl)ethyl]-2-oxo-3-piperidinecarboxamide
CAS Number
PubChem CID
ChemSpider
UNII
Chemical and physical data
FormulaC16H19N3O3
Molar mass301.346 g·mol−1
3D model (JSmol)
SMILES
  • c1cc2c(cc1O)c(c[nH]2)CCNC(=O)C3CCCNC3=O
InChI
  • InChI=1S/C16H19N3O3/c20-11-3-4-14-13(8-11)10(9-19-14)5-7-18-16(22)12-2-1-6-17-15(12)21/h3-4,8-9,12,19-20H,1-2,5-7H2,(H,17,21)(H,18,22)
  • Key:ZIMKJLALTRLXJO-UHFFFAOYSA-N

HIOC is a small-molecule agent which acts as a selective TrkB receptor agonist (active at at least 100 nM; prominent activation at 500 nM).[1][2][3] It was derived from N-acetylserotonin (NAS).[2][3][4] Relative to NAS, HIOC possesses greater potency and a longer half-life (~30 min or less for NAS in rats, while HIOC is still detectable up to 24 hours after administration to mice; ~4 hour half-life for HIOC in mouse brain tissues).[2][3] It is described as producing long-lasting activation of the TrkB receptor and downstream signaling kinases associated with the receptor.[2] HIOC is systemically-active and is able to penetrate the blood-brain-barrier.[2] In animal studies, HIOC was found to robustly protect against glutamate-induced excitotoxicity, an action which was TrkB-dependent.[3]

A chemical synthesis of HIOC was published in 2015.[5]

See also[]

  • Tropomyosin receptor kinase B § Agonists

References[]

  1. ^ Longo, Frank M.; Massa, Stephen M. (2013). "Small-molecule modulation of neurotrophin receptors: a strategy for the treatment of neurological disease". Nature Reviews Drug Discovery. 12 (7): 507–525. doi:10.1038/nrd4024. ISSN 1474-1776. PMID 23977697. S2CID 33597483.
  2. ^ a b c d e Iuvone, P. Michael; Boatright, Jeffrey H.; Tosini, Gianluca; Ye, Keqiang (2014). "N-Acetylserotonin: Circadian Activation of the BDNF Receptor and Neuroprotection in the Retina and Brain". Advances in Experimental Medicine and Biology. 801: 765–771. doi:10.1007/978-1-4614-3209-8_96. ISBN 978-1-4614-3208-1. ISSN 0065-2598. PMC 4069859. PMID 24664769.
  3. ^ a b c d Shen, J.; Ghai, K.; Sompol, P.; Liu, X.; Cao, X.; Iuvone, P. M.; Ye, K. (2012). "N-acetyl serotonin derivatives as potent neuroprotectants for retinas". Proceedings of the National Academy of Sciences. 109 (9): 3540–3545. doi:10.1073/pnas.1119201109. ISSN 0027-8424. PMC 3295250. PMID 22331903.
  4. ^ Tosini, G.; Ye, K.; Iuvone, P. M. (2012). "N-Acetylserotonin: Neuroprotection, Neurogenesis, and the Sleepy Brain". The Neuroscientist. 18 (6): 645–653. doi:10.1177/1073858412446634. ISSN 1073-8584. PMC 3422380. PMID 22585341.
  5. ^ Setterholm NA, McDonald FE, Boatright JH, Iuvone PM (2015). "Gram-scale, chemoselective synthesis of N-[2-(5-hydroxy-1H-indol-3-yl)ethyl]-2-oxopiperidine-3-carboxamide (HIOC)". Tetrahedron Lett. 56 (23): 3413–3415. doi:10.1016/j.tetlet.2015.01.167. PMC 4445863. PMID 26028783.


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