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Synthesis and characterizations of novel quinoline derivatives having mixed ligand activities at the κ and μ receptors: Potential therapeutic efficacy against morphine dependence
I. Deb, , A. Hazra, S. Banerjee, P.K. Dutta, N.B. Mondal, S. Das
Published in
2009
PMID: 19640720
Volume: 17
   
Issue: 16
Pages: 5782 - 5790
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 125I-Dynorphine, 3H-DAMGO and 125I-DADLE for κ, μ, and δ receptors, respectively. Results showed varying degree of activities of the compounds to κ and μ opioid receptors with negligible interactions at the δ 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 IC50 of S4 revealed a greater affinity towards μ compared to κ receptor. In conclusion, quinoline derivatives of S4 like structure offer potential tool for treatment of narcotic addictions. © 2009 Elsevier Ltd. All rights reserved.
About the journal
JournalBioorganic and Medicinal Chemistry
ISSN09680896