Single-cell RNA-seq highlights intratumoral heterogeneity in primary glioblastoma.

Single-cell RNA-seq highlights intratumoral heterogeneity in primary glioblastoma.
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DOI:
10.1126/science.1254257
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发表时间:
2014-06-20
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Bernstein BE
Bernstein BE
中科院分区:
其他
文献类型:
--
作者:
Patel AP;Tirosh I;Trombetta JJ;Shalek AK;Gillespie SM;Wakimoto H;Cahill DP;Nahed BV;Curry WT;Martuza RL;Louis DN;Rozenblatt-Rosen O;Suvà ML;Regev A;Bernstein BE

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Human cancers are complex ecosystems composed of cells with distinct phenotypes, genotypes and epigenetic states, but current models do not adequately reflect tumor composition in patients. We used single cell RNA-seq to profile 430 cells from five primary glioblastomas, which we found to be inherently variable in their expression of diverse transcriptional programs related to oncogenic signaling, proliferation, complement/immune response and hypoxia. We also observed a continuum of stemness-related expression states that enabled us to identify putative regulators of stemness in vivo. Finally, we show that established glioblastoma subtype classifiers are variably expressed across individual cells within a tumor and demonstrate the potential prognostic implications of such intratumoral heterogeneity. Thus, we reveal previously unappreciated heterogeneity in diverse regulatory programs central to glioblastoma biology, prognosis, and therapy.
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