Computational simulations to guide enzyme-mediated prodrug activation

Milica Markovic, Shimon Ben-Shabat, Arik Dahan

Research output: Contribution to journalReview articlepeer-review

7 Scopus citations

Abstract

Prodrugs are designed to improve pharmaceutical/biopharmaceutical characteristics, pharmacokinetic/pharmacodynamic properties, site-specificity, and more. A crucial step in successful prodrug is its activation, which releases the active parent drug, exerting a therapeutic effect. Prodrug activation can be based on oxidation/reduction processes, or through enzyme-mediated hydrolysis, from oxidoreductases (i.e., Cytochrome P450) to hydrolytic enzymes (i.e., carboxylesterase). This study provides an overview of the novel in silico methods for the optimization of enzyme-mediated prodrug activation. Computational methods simulating enzyme-substrate binding can be simpler like molecular docking, or more complex, such as quantum mechanics (QM), molecular mechanics (MM), and free energy perturbation (FEP) methods such as molecular dynamics (MD). Examples for MD simulations used for elucidating the mechanism of prodrug (losartan, paclitaxel derivatives) metabolism via CYP450 enzyme are presented, as well as an MD simulation for optimizing linker length in phospholipid-based prodrugs. Molecular docking investigating quinazolinone prodrugs as substrates for alkaline phosphatase is also presented, as well as QM and MD simulations used for optimal fit of different prodrugs within the human carboxylesterase 1 catalytical site. Overall, high quality computational simulations may show good agreement with experimental results, and should be used early in the prodrug development process.

Original languageEnglish
Article number3621
JournalInternational Journal of Molecular Sciences
Volume21
Issue number10
DOIs
StatePublished - 2 May 2020

Keywords

  • DFT
  • Enzymatic activation
  • In silico modeling
  • Molecular docking
  • Molecular dynamics
  • Molecular mechanics
  • Prodrug
  • Quantum mechanics

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