Abstract:
:Neuroblastoma (NB) is the most deadly extra-cranial solid tumour in children necessitating an urgent need for effective and less toxic treatments. One reason for the lack of efficacious treatments may be the inability of existing drugs to target the tumour-initiating or cancer stem cell population responsible for sustaining tumour growth, metastases and relapse. Here, we describe a strategy to identify compounds that selectively target patient-derived cancer stem cell-like tumour-initiating cells (TICs) while sparing normal paediatric stem cells (skin-derived precursors, SKPs) and characterize two therapeutic candidates. DECA-14 and rapamycin were identified as NB TIC-selective agents. Both compounds induced TIC death at nanomolar concentrations in vitro, significantly reduced NB xenograft tumour weight in vivo, and dramatically decreased self-renewal or tumour-initiation capacity in treated tumours. These results demonstrate that differential drug sensitivities between TICs and normal paediatric stem cells can be exploited to identify novel, patient-specific and potentially less toxic therapies.
journal_name
EMBO Mol Medjournal_title
EMBO molecular medicineauthors
Smith KM,Datti A,Fujitani M,Grinshtein N,Zhang L,Morozova O,Blakely KM,Rotenberg SA,Hansford LM,Miller FD,Yeger H,Irwin MS,Moffat J,Marra MA,Baruchel S,Wrana JL,Kaplan DRdoi
10.1002/emmm.201000093subject
Has Abstractpub_date
2010-09-01 00:00:00pages
371-84issue
9eissn
1757-4676issn
1757-4684journal_volume
2pub_type
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