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- W3119138051 abstract "Abstract Two cell identities, noradrenergic and mesenchymal, have been characterized in neuroblastoma cell lines according to their epigenetic landscapes relying on specific circuitries of transcription factors. Yet, their relationship and relative contribution in patient tumors remain poorly defined. Here, we demonstrate that the knock-out of GATA3 , but not of PHOX2A or PHOX2B , in noradrenergic cells induces a mesenchymal phenotype. Our results document spontaneous plasticity in several models between both identities and show that plasticity relies on epigenetic reprogramming. We demonstrate that an in vivo microenvironment provides a powerful pressure towards a noradrenergic identity for these models. Consistently, tumor cells with a mesenchymal identity are not detected in a series of PDX models. Further study of the intra-tumor noradrenergic heterogeneity reveals two distinct cell populations exhibiting features of chromaffin-like or sympathoblast-like cells. This work emphasizes that both external cues of the environment and intrinsic factors control plasticity and cell identity in neuroblastoma." @default.
- W3119138051 created "2021-01-18" @default.
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- W3119138051 date "2021-01-08" @default.
- W3119138051 modified "2023-10-03" @default.
- W3119138051 title "Interplay between intrinsic reprogramming potential and microenvironment controls neuroblastoma cell plasticity and identity" @default.
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- W3119138051 doi "https://doi.org/10.1101/2021.01.07.425710" @default.
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