Naltrindole
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Routes of administration | IV |
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Formula | C26H26N2O3 |
Molar mass | 414.505 g·mol−1 |
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Naltrindole is a highly potent, highly selective delta opioid receptor antagonist used in biomedical research. In May 2012 a paper was published in Nature with the structure of naltrindole in complex with the mouse
Drug design
Since peptide compounds are unable to cross the blood–brain barrier, researchers developed naltrindole to be a non-peptide antagonist analog of the delta-preferring endogenous opiate enkephalin. Enkephalin contains an aromatic phenyl group on its Phe4 residue, which was hypothesized to be the "address" sequence responsible for the opiate's delta opioid receptor affinity.[2] Thus, attachment of a phenyl-containing indole molecule to the C-ring of naltrexone's morphinan base successfully produced a drug with the high receptor affinity of naltrexone, but which binds almost exclusively to the delta opioid receptor.[3]
References
- ^ Granier S, Manglik A, Kruse AC, Kobilka TS, Thian FS, Weis WI, Kobilka BK (May 2012). "Structure of the
δ -opioid receptor bound to naltrindole". Nature. 485 (7398): 400–4. Bibcode:2012Natur.485..400G. doi:10.1038/nature11111. PMC 3523198. PMID 22596164. - ^ Lipkowski AW, Tam SW, Portoghese PS (July 1986). "Peptides as receptor selectivity modulators of opiate pharmacophores". Journal of Medicinal Chemistry. 29 (7): 1222–5. doi:10.1021/jm00157a018. PMID 2879914.
- ^ Portoghese PS, Sultana M, Takemori AE (January 1988). "Naltrindole, a highly selective and potent non-peptide delta opioid receptor antagonist". European Journal of Pharmacology. 146 (1): 185–6. doi:10.1016/0014-2999(88)90502-X. PMID 2832195.
- Articles with short description
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- Drugs not assigned an ATC code
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- Drugs with no legal status
- Delta-opioid receptor antagonists
- 4,5-Epoxymorphinans
- Indolomorphinans
- Phenols
- Tertiary alcohols
- Semisynthetic opioids