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September 12, 2006Journal of Medicinal Chemistry294 citationsOpen Access

Structure-Based Design of Potent Small-Molecule Inhibitors of Anti-Apoptotic Bcl-2 Proteins

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GWGuoping WangZNZaneta Nikolovska‐ColeskaCYChao‐Yie Yang

Key Points

  • This research aims to design small-molecule inhibitors targeting anti-apoptotic Bcl-2 proteins to induce cancer cell death.
  • Structure-based design of inhibitors targeting Bcl-2, Bcl-xL, and Mcl-1.
  • Testing binding affinities using K(i) values.
  • Evaluating inhibition of cell growth and apoptosis induction in PC-3 prostate cancer cells.
  • Compound 5 (TW-37) binds to Bcl-2 with a K(i) of 290 nM and shows high affinity for Bcl-xL and Mcl-1.
  • IC(50) for compound 5 is 200 nM, indicating potent inhibition of cell growth.
  • Compound 5 induces apoptosis in a dose-dependent manner.

Abstract

A structure-based approach was employed to design a new class of small-molecule inhibitors of Bcl-2. The most potent compound 5 (TW-37) binds to Bcl-2 with a K(i) value of 290 nM and also to Bcl-xL and Mcl-1 with high affinities. Compound 5 potently inhibits cell growth in PC-3 prostate cancer cells with an IC(50) value of 200 nM and effectively induces apoptosis in a dose-dependent manner.

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Cite This Study

Wang et al. (2006) studied this question.

synapsesocial.com/papers/6a155fa137103a43379fa2f7https://doi.org/10.1021/jm060460o
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