Evidence for label-retaining tumour-initiating cells in human glioblastoma

Deleyrolle, Loic P., Harding, Angus, Cato, Kathleen, Siebzehnrubl, Florian ORCID: https://orcid.org/0000-0001-8411-8775, Rahman, Maryam, Azari, Hassan, Olson, Sarah, Gabrielli, Brian, Osborne, Geoffrey, Vescovi, Angelo and Reynolds, Brent A. 2011. Evidence for label-retaining tumour-initiating cells in human glioblastoma. Brain 134 , pp. 1331-1343. 10.1093/brain/awr081

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Abstract

Individual tumour cells display diverse functional behaviours in terms of proliferation rate, cell–cell interactions, metastatic potential and sensitivity to therapy. Moreover, sequencing studies have demonstrated surprising levels of genetic diversity between individual patient tumours of the same type. Tumour heterogeneity presents a significant therapeutic challenge as diverse cell types within a tumour can respond differently to therapies, and inter-patient heterogeneity may prevent the development of general treatments for cancer. One strategy that may help overcome tumour heterogeneity is the identification of tumour sub-populations that drive specific disease pathologies for the development of therapies targeting these clinically relevant sub-populations. Here, we have identified a dye-retaining brain tumour population that displays all the hallmarks of a tumour-initiating sub-population. Using a limiting dilution transplantation assay in immunocompromised mice, label-retaining brain tumour cells display elevated tumour-initiation properties relative to the bulk population. Importantly, tumours generated from these label-retaining cells exhibit all the pathological features of the primary disease. Together, these findings confirm dye-retaining brain tumour cells exhibit tumour-initiation ability and are therefore viable targets for the development of therapeutics targeting this sub-population.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Biosciences European Cancer Stem Cell Research Institute (ECSCRI)
Publisher:	Oxford University Press
ISSN:	0006-8950
Last Modified:	25 Oct 2022 10:12
URI:	https://orca.cardiff.ac.uk/id/eprint/61395

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