4.7 Article

Design, Synthesis, and Evaluation of Potent, Nonpeptidic Mimetics of Second Mitochondria-Derived Activator of Caspases

Journal

JOURNAL OF MEDICINAL CHEMISTRY
Volume 52, Issue 3, Pages 593-596

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/jm801101z

Keywords

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Funding

  1. Chinese Academy of Sciences
  2. National Natural Science Foundation of China [20620120106, 20621062, 90713047]
  3. U.S. National Cancer Institute
  4. National Institutes of Health [R01CA109025]
  5. Breast Cancer Research Foundation
  6. Susan G. Konien Foundation
  7. Prostate Cancer Foundation
  8. University of Michigan Cancer Center [P30CA046592]
  9. Ascenta Therapeutics, Inc.

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A series of new Smac mimetics have been designed, synthesized, and evaluated. The most potent compound 10 binds to XIAP, cIAP-1, and cIAP-2 BIR3 proteins with K-i of 3.9, 0.37, and 0.25 nM, respectively. Compound 10 antagonizes XIAP in a cell-free functional assay and induces rapid cIAP-1 degradation in cancer cells. Compound 10 inhibits cell growth in the MDA-MB-231 cancer cell line with an IC50 of 8.9 nM.

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