The interaction between resistance modifiers such as pyrido[3,2-g] quinoline, aza-oxafluorene and pregnane derivatives with DNA, plasmid DNA and tRNA

Derek Sharples, Gabriella Spengler, Joseph Molnár, Zsuzsanna Antal, Annamária Molnár, János T. Kiss, József A. Szabó, Andreas Hilgeroth, Sandrine Gallo, Abdallah Mahamoud, Jacques Barbe

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Various resistance mechanisms such as complex formation with DNA, tRNA and MDR1 p-glycoprotein were modified in bacteria and cancer cells in presence of pregnane, pyridoquinoline, and aza-oxafluorene derivatives. Interaction between the compounds, plasmid DNA and tRNA was shown and compared to the interaction with calf thymus DNA. Complex formation with MDR1 p-glycoprotein and drug accumulation increased in cancer cells. Both plasmid DNA and p-gp complex formation were related to the chemical structures of the resistance modifiers. © 2005 Elsevier SAS. All rights reserved.
    Original languageEnglish
    Pages (from-to)195-202
    Number of pages7
    JournalEuropean Journal of Medicinal Chemistry
    Volume40
    Issue number2
    DOIs
    Publication statusPublished - Feb 2005

    Keywords

    • Aza-fluorenes
    • DNA interaction
    • MDR1 p-glycoprotein
    • Pregnanes
    • Pyridoquinolines
    • Transfer RNA interaction

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