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Update on antifolate drugs targets.

M P Costi1, S Ferrari

  • 1Dipartimento di Scienze Farmaceutiche, University of Modena and Reggio Emilia, Italy. costimp@unimo.it

Current Drug Targets
|July 27, 2001
PubMed
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Antifolate drugs target the folate pathway, offering specific tools for medicinal chemists. New drug discovery efforts focus on overcoming resistance and utilizing genetic approaches to identify novel antifolate targets.

Area of Science:

  • Biochemistry
  • Medicinal Chemistry
  • Drug Discovery

Background:

  • Antifolate drugs are rationally designed antimetabolites targeting the folate metabolic pathway.
  • Differences between microbial and human folate metabolism enable specific drug targeting.
  • Increasing drug resistance and genetic approaches to drug discovery highlight the importance of antifolate targets.

Purpose of the Study:

  • To review the significance of antifolate targets in drug design and discovery.
  • To discuss known antifolate targets including thymidylate synthase (TS), dihydrofolate reductase (DHFR), and folate transporters.
  • To cover discovery, functions, structure-activity relationships, and inhibition of these targets.

Main Methods:

  • Review of existing research on antifolate drugs and targets.

Related Experiment Videos

  • Analysis of the folate metabolic pathway and its enzymes.
  • Discussion of drug resistance mechanisms and genetic approaches in drug discovery.

    • Main Results:

    • Identified key antifolate targets: TS, DHFR, SHMT, FPGS, gamma-GH, GARTfase, AICARTfase, and folate transporters.
    • Highlighted the role of antimetabolite strategy and metabolic pathway differences in drug design.
    • Emphasized the impact of enzyme modification and genetic approaches on antifolate drug discovery.

    Conclusions:

    • Antifolate targets remain crucial in medicinal chemistry for developing novel therapeutics.
    • Understanding folate metabolism and resistance mechanisms is key to overcoming drug limitations.
    • Genetic approaches offer new avenues for discovering previously unknown antifolate targets and drugs.