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Novel Bioconjugates of Aminolevulinic Acid with Nucleosides
Esters and amino acid derivatives of 5-aminolevulinic acid (ALA) are efficient prodrugs for the production of protoporphyrin IX (PpIX), which has been used in photodynamic cancer therapy (PDT). The synthesis of novel bioconjugates combining ALA with adenosine and thymidine is reported. The novel bioconjugates have been made using a robust methodology. The new class of prodrugs contains one, two, or three ALA per molecule. Preliminary cell tests in human cancer cell lines indicate that the thymidine conjugate of ALA is an efficient prodrug for PDT.
nucleosides, esterification, porphyrins, photochemistry, anticancer agent, photodynamic therapy, 5-aminolevulinic acid, adenosine receptors, phase synthesis, cancer, derivatives, stability, precursors, peptides, delivery
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