(S)-2-Amino-3-(5-methyl-3-hydroxyisoxazol-4-yl)propanoic Acid (AMPA) and Kainate Receptor Ligands: Further Exploration of Bioisosteric Replacements, Structural and Biological Investigation.

Simone Brogi, Marghertia Brindisi, Stefania Butini, Giridhar Kshirsagar, Samuele Maramai, Giulia Chemi, Sandra Gemma, Giuseppe Campiani, Ettore Novellino, Paolo Fiorenzani, Jessica Pinassi, Anna Maria Aloisi, Mikko Gynther, Raminta Venskutonyte, Liwei Han, Karla Andrea Frydenvang, Jette Sandholm Jensen Kastrup, Darryl S Pickering

    6 Citations (Scopus)

    Abstract

    Starting from 1-4 and 7 structural templates, analogues based on bioisosteric replacements (5a-c vs 1, 2 and 6 vs 7) were synthesized for completing the SAR analysis. Interesting binding properties at GluA2, GluK1, and GluK3 receptors were discovered. The requirements for GluK3 interaction were elucidated by determining the X-ray structures of the GluK3-LBD with 2 and 5c and by computational studies. Antinociceptive potential was demonstrated for GluK1 partial agonist 3 and antagonist 7 (2 mg/kg ip).

    Original languageEnglish
    JournalJournal of Medicinal Chemistry
    Volume61
    Issue number5
    Pages (from-to)2124-2130
    Number of pages7
    ISSN0022-2623
    DOIs
    Publication statusPublished - 8 Mar 2018

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