Biomarker identification for statin sensitivity of cancer cell lines.

Biomarker identification for statin sensitivity of cancer cell lines.
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DOI:
10.1016/j.bbrc.2017.11.065
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发表时间:
2018-01-01
影响因子:
3.1
通讯作者:
Oltvai ZN
Oltvai ZN
中科院分区:
生物学4区
文献类型:
--
作者:
Raghu VK;Beckwitt CH;Warita K;Wells A;Benos PV;Oltvai ZN

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Statins are potent cholesterol reducing drugs that have been shown to reduce tumor cell proliferation in vitro and tumor growth in animal models. Moreover, retrospective human cohort studies demonstrated decreased cancer-specific mortality in patients taking statins. We previously implicated membrane E-cadherin expression as both a marker and mechanism for resistance to atorvastatin-mediated growth suppression of cancer cells; however, a transcriptome-profile-based biomarker signature for statin sensitivity has not yet been reported. Here, we utilized transcriptome data from fourteen NCI-60 cancer cell lines and their statin dose-response data to produce gene expression signatures that identify statin sensitive and resistant cell lines. We experimentally confirmed the validity of the identified biomarker signature in an independent set of cell lines and extended this signature to generate a proposed statin-sensitive subset of tumors listed in the TCGA database. Finally, we predicted drugs that would synergize with statins and found several predicted combination therapies to be experimentally confirmed. The combined bioinformatics-experimental approach described here can be used to generate an initial biomarker sensitivity for statin therapy.
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