Scientific Publications

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

Publication TypeJournal Article
AuthorsPatel, 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., and Bernstein BE
AbstractHuman 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 sequencing (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.
Year of Publication2014
JournalScience (New York, N.Y.)
Volume344
Issue6190
Pages1396-401
Date Published (YYYY/MM/DD)2014/06/20
ISSN Number0036-8075
DOI10.1126/science.1254257
PubMedhttp://www.ncbi.nlm.nih.gov/pubmed/24925914?dopt=Abstract