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  • Title: Bis(3-hydroxy-4-pyridinone)-EDTA derivative as a potential therapeutic Al-chelating agent. Synthesis, solution studies and biological assays.
    Author: Santos MA, Gama S, Gano L, Farkas E.
    Journal: J Inorg Biochem; 2005 Sep; 99(9):1845-52. PubMed ID: 16099511.
    Abstract:
    The 3-hydroxy-4-pyridinones are chelating agents of current interest due to their high affinity for hard metal ions and potential clinical applications as metal-decorporation agents. A new bis-(3-hydroxy-4-pyridinone) derivative of EDTA have been developed, and herein we describe the results of solution studies to determine the protonation constants and the partition coefficient. Biodistribution studies, performed with 67Ga-overload mice, showed rapid clearance of the radiotracer from the body, thus indicating that the new ligand should be a quite effective agent for the in vivo aluminium removal.
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