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SATE pronucleotide approaches: an overview
S Peyrottes1, D Egron, I Lefebvre
1UMR 5625 CNRS-UM II, Université Montpellier II, case courrier 008, place Eugène Bataillon, 34095 Montpellier cedex 05, France. perigaud@univ-montp2.fr
Mini Reviews in Medicinal Chemistry
|May 12, 2004
Summary
This review covers esterase-labile S-acyl-2-thioethyl (SATE) groups for protecting nucleotide prodrugs (pronucleotides). New designs enable selective intracellular delivery of 5'-mononucleotides via dual enzyme activation.
Area of Science:
- Medicinal Chemistry
- Drug Delivery Systems
- Nucleotide Prodrugs
Background:
- Nucleotide prodrugs are essential for delivering therapeutic nucleotides.
- Phosphate protection is crucial for prodrug stability and bioavailability.
- Esterase-labile protecting groups offer targeted activation strategies.
Purpose of the Study:
- To review in vitro and in vivo results of S-acyl-2-thioethyl (SATE) protected nucleotide prodrugs.
- To highlight novel phosphoester derivatives for selective intracellular nucleotide delivery.
- To elucidate the enzyme-mediated activation mechanisms involved.
Main Methods:
- In vitro enzymatic stability assays.
- In vivo pharmacokinetic and biodistribution studies.
- Design and synthesis of novel mixed phosphoester nucleotide prodrugs.
Main Results:
- SATE groups effectively protect nucleotide phosphates from premature hydrolysis.
- The designed mixed phosphoester derivatives undergo sequential, enzyme-mediated activation.
- Selective intracellular delivery of 5 acronym{'-mononucleotides was achieved.
Conclusions:
- SATE-protected nucleotide prodrugs represent a promising strategy for enhanced nucleotide therapy.
- Novel mixed phosphoester derivatives offer precise control over intracellular nucleotide release.
- Dual enzyme-mediated activation provides a versatile platform for targeted drug delivery.