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OncoResist

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Genetic and epigenetic resistance to oncogenic transformation of an epithelium

Oncogenesis is a complex multi-step process that involves the combination of genetic and epigenetic alterations for normal cells to turn into cancerous cells. Remarkably, while some strong oncogenic signals can promote transformat... ver más

31/12/2022

UAveiro

160K€

Presupuesto del proyecto: 160K€

Líder del proyecto

UNIVERSIDADE DE AVEIRO No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

Financiación concedida El organismo H2020 notifico la concesión del proyecto el día 2022-12-31

MSCA-IF-2019: Individual Fellowships

I+D

Cerrada hace 5 años

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Información adicional privada

No hay información privada compartida para este proyecto. Habla con el coordinador.

1 Participantes

UAveiro

159.82K€ | Lider

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Duración del proyecto: 33 meses Fecha Inicio: 2020-03-28
Fecha Fin: 2022-12-31

Líder del proyecto

UNIVERSIDADE DE AVEIRO No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 160K€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto Oncogenesis is a complex multi-step process that involves the combination of genetic and epigenetic alterations for normal cells to turn into cancerous cells. Remarkably, while some strong oncogenic signals can promote transformation in some cell states, they are completely innocuous to other cell types. My aim is to study this poorly understood phenomena, being my current hypothesis, that intrinsic cell state transformation protection mechanisms are likely to exist. I will use the Drosophila eye primordium epithelium, as I have previously observed that whereas committed epithelial cells over-proliferate in response to abnormal Hippo signalling, undifferentiated progenitor cells are resistant to this transformation. To molecularly define such resilience to oncogenesis, the gene expression and chromatin accessibility profile of these two cell populations were compared. My preliminary results showed that the chromatin accessibility profile differed significantly and suggested that some pioneer transcription factors primed cells to respond to Hippo signalling. Moreover, I observed that non-coding RNAs were differentially expressed between these two cell populations. In particular, some long non-coding RNAs (lncRNAs), a class of molecules that were recently described as regulators of oncogenic signals, were particularly enriched in the progenitor cell population. More specifically, I aim to address two main questions: 1 - Is the nuclear landscape (chromatin accessibility and TFs combinations) important to control the response to high oncogenic signals? And how much of this response relies on the activity of pioneer transcription factors? 2 - What is the role of the lncRNAs in controlling cellular response to Hippo signalling? A better understanding of the intrinsic cell state protective mechanisms against transformation is likely to open important new therapeutic approaches for cancer.

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