Targeting the differential addiction to anti-apoptotic BCL-2 family for cancer therapy.
Targeting the differential addiction to anti-apoptotic BCL-2 family for cancer therapy.
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DOI:
10.1038/ncomms16078
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发表时间:
2017-07-17
影响因子:
16.6
通讯作者:
Cheng EH
中科院分区:
文献类型:
--
作者:
Inoue-Yamauchi A;Jeng PS;Kim K;Chen HC;Han S;Ganesan YT;Ishizawa K;Jebiwott S;Dong Y;Pietanza MC;Hellmann MD;Kris MG;Hsieh JJ;Cheng EH
BCL-2 family proteins are central regulators of mitochondrial apoptosis and validated anti-cancer targets. Using small cell lung cancer (SCLC) as a model, we demonstrated the presence of differential addiction of cancer cells to anti-apoptotic BCL-2, BCL-XL or MCL-1, which correlated with the respective protein expression ratio. ABT-263 (navitoclax), a BCL-2/BCL-XL inhibitor, prevented BCL-XL from sequestering activator BH3-only molecules (BH3s) and BAX but not BAK. Consequently, ABT-263 failed to kill BCL-XL-addicted cells with low activator BH3s and BCL-XL overabundance conferred resistance to ABT-263. High-throughput screening identified anthracyclines including doxorubicin and CDK9 inhibitors including dinaciclib that synergized with ABT-263 through downregulation of MCL-1. As doxorubicin and dinaciclib also reduced BCL-XL, the combinations of BCL-2 inhibitor ABT-199 (venetoclax) with doxorubicin or dinaciclib provided effective therapeutic strategies for SCLC. Altogether, our study highlights the need for mechanism-guided targeting of anti-apoptotic BCL-2 proteins to effectively activate the mitochondrial cell death programme to kill cancer cells. Small cell lung cancer cells (SCLC) are differentially sensitive to inhibitors of the BCL-2 family. Here the authors analyse the response to BH3 mimetics in SCLC, delineate patterns of expression of apoptotic proteins correlated with differential sensitivities and demonstrate a synergistic anti-tumour activity between ABT-199 and anthracyclines or CDK9 inhibitors.
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影响因子:
10.5
作者:
Huang CH;Lujambio A;Zuber J;Tschaharganeh DF;Doran MG;Evans MJ;Kitzing T;Zhu N;de Stanchina E;Sawyers CL;Armstrong SA;Lewis JS;Sherr CJ;Lowe SW
通讯作者:
Lowe SW
影响因子:
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作者:
通讯作者:
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影响因子:
45.3
作者:
Davids, Matthew S.;Letai, Anthony
通讯作者:
Letai, Anthony
影响因子:
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作者:
Bean GR;Ganesan YT;Dong Y;Takeda S;Liu H;Chan PM;Huang Y;Chodosh LA;Zambetti GP;Hsieh JJ;Cheng EH
通讯作者:
Cheng EH
DOI:
10.1073/pnas.1411848112
发表时间:
2015-03-17
影响因子:
11.1
作者:
Faber, Anthony C.;Farago, Anna F.;Engelman, Jeffrey A.
通讯作者:
Engelman, Jeffrey A.