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Bioorg Med Chem. 2009 Aug 15;17(16):5782-90. doi: 10.1016/j.bmc.2009.07.024. Epub 2009 Jul 18.

Synthesis and characterizations of novel quinoline derivatives having mixed ligand activities at the kappa and mu receptors: Potential therapeutic efficacy against morphine dependence.

Author information

1
Indian Institute of Chemical Biology, Council of Scientific and Industrial Research, Jadavpur, Kolkata, India.

Abstract

Based on an established 3D pharmacophore, a series of quinoline derivatives were synthesized. The opioidergic properties of these compounds were determined by a competitive binding assay using (125)I-Dynorphine, (3)H-DAMGO and (125)I-DADLE for kappa, mu, and delta receptors, respectively. Results showed varying degree of activities of the compounds to kappa and mu opioid receptors with negligible interactions at the delta receptor. The compound, S4 was the most successful in inhibiting the two most prominent quantitative features of naloxone precipitated withdrawal symptoms - stereotyped jumping and body weight loss. Determination of IC(50) of S4 revealed a greater affinity towards mu compared to kappa receptor. In conclusion, quinoline derivatives of S4 like structure offer potential tool for treatment of narcotic addictions.

PMID:
19640720
DOI:
10.1016/j.bmc.2009.07.024
[Indexed for MEDLINE]

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