Journal
FEBS LETTERS
Volume 584, Issue 14, Pages 3185-3192Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.febslet.2010.06.002
Keywords
Breast cancer; Apoptosis; 4-Amino-5-(4-chlorophenyl)-7-(t-butyl)pyrazolo[3,4-d]pyrimidine; Enoyl-CoA hydratase short chain 1; Peroxiredoxin 3
Funding
- National Natural Science Foundation of China [30571711]
- Beijing Natural Science Foundation [5092012]
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We show that 4-amino-5-(4-chlorophenyl)-7-(t-butyl)pyrazolo[3,4-d]pyrimidine (PP2) induces apoptosis and down-regulates the expression of enoyl-CoA hydratase short chain 1 (ECHS1) and peroxiredoxin 3 (PRDX3) in human breast cancer MCF-7 cells. The decrease of ECHS1 and PRDX3 was validated by Western blot and quantitative real-time reverse transcription-PCR in MCF-7 and other carcinoma cells. Knockdown and over-expression of ECHS1 and/or PRDX3 further supported the key role of ECHS1 and PRDX3 in regulation of PP2-induced apoptosis. These results suggest a possible apoptotic pathway whereby down-regulation of ECHS1 and PRDX3 potentiates PP2-induced apoptosis in MCF-7 cells. (C) 2010 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
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