Reconstructing and reprogramming the tumor-propagating potential of glioblastoma stem-like cells.

Reconstructing and reprogramming the tumor-propagating potential of glioblastoma stem-like cells.
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DOI:
10.1016/j.cell.2014.02.030
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发表时间:
2014-04-24
期刊:
影响因子:
64.5
通讯作者:
Bernstein BE
Bernstein BE
中科院分区:
生物学1区
文献类型:
--
作者:
Suvà ML;Rheinbay E;Gillespie SM;Patel AP;Wakimoto H;Rabkin SD;Riggi N;Chi AS;Cahill DP;Nahed BV;Curry WT;Martuza RL;Rivera MN;Rossetti N;Kasif S;Beik S;Kadri S;Tirosh I;Wortman I;Shalek AK;Rozenblatt-Rosen O;Regev A;Louis DN;Bernstein BE

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Developmental fate decisions are dictated by master transcription factors (TFs) that interact with cis-regulatory elements to direct transcriptional programs. Certain malignant tumors may also depend on cellular hierarchies reminiscent of normal development but superimposed on underlying genetic aberrations. In glioblastoma (GBM), a subset of stem-like tumor-propagating cells (TPCs) appears to drive tumor progression and underlie therapeutic resistance, yet remain poorly understood. Here, we identify a core set of neurodevelopmental TFs (POU3F2, SOX2, SALL2, OLIG2) essential for GBM propagation. These TFs coordinately bind and activate TPC-specific regulatory elements, and are sufficient to fully reprogram differentiated GBM cells to ‘induced’ TPCs, recapitulating the epigenetic landscape and phenotype of native TPCs. We reconstruct a network model that highlights critical interactions and identifies novel therapeutic targets for eliminating TPCs. Our study establishes the epigenetic basis of a developmental hierarchy in GBM, provides detailed insight into underlying gene regulatory programs, and suggests attendant therapeutic strategies.
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