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Uncovering the Signaling Landscape Controlling Breast Cancer Cell Migration Identifies Novel Metastasis Driver Genes

Abstract

Ttriple-negative breast cancer (TNBC) is an aggressive and highly metastatic breast cancer subtype. Enhanced TNBC cell motility is a prerequisite of TNBC cell dissemination. Here, we apply an imaging-based RNAi phenotypic cell migration screen using two highly motile TNBC cell lines (Hs578T and MDA-MB-231) to provide a repository of signaling determinants that functionally drive TNBC cell motility. We have screened ~4,200 target genes individually and discovered 133 and 113 migratory modulators of Hs578T and MDA-MB-231, respectively, which are linked to signaling networks predictive for breast cancer progression. The splicing factors PRPF4B and BUD31 and the transcription factor BPTF are essential for cancer cell migration, amplified in human primary breast tumors and associated with metastasis-free survival. Depletion of PRPF4B, BUD31 and BPTF causes primarily down regulation of genes involved in focal adhesion and ECM-interaction pathways. PRPF4B is essential for TNBC metastasis formation in vivo, making PRPF4B a candidate for further drug development.

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References
1.
Stephens P, Tarpey P, Davies H, Van Loo P, Greenman C, Wedge D . The landscape of cancer genes and mutational processes in breast cancer. Nature. 2012; 486(7403):400-4. PMC: 3428862. DOI: 10.1038/nature11017. View

2.
Sotiriou C, Wirapati P, Loi S, Harris A, Fox S, Smeds J . Gene expression profiling in breast cancer: understanding the molecular basis of histologic grade to improve prognosis. J Natl Cancer Inst. 2006; 98(4):262-72. DOI: 10.1093/jnci/djj052. View

3.
Kamburov A, Wierling C, Lehrach H, Herwig R . ConsensusPathDB--a database for integrating human functional interaction networks. Nucleic Acids Res. 2008; 37(Database issue):D623-8. PMC: 2686562. DOI: 10.1093/nar/gkn698. View

4.
Desmedt C, Piette F, Loi S, Wang Y, Lallemand F, Haibe-Kains B . Strong time dependence of the 76-gene prognostic signature for node-negative breast cancer patients in the TRANSBIG multicenter independent validation series. Clin Cancer Res. 2007; 13(11):3207-14. DOI: 10.1158/1078-0432.CCR-06-2765. View

5.
Marabti E, Younis I . The Cancer Spliceome: Reprograming of Alternative Splicing in Cancer. Front Mol Biosci. 2018; 5:80. PMC: 6137424. DOI: 10.3389/fmolb.2018.00080. View