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SUCCESSion

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Probing the malignant potential of mutant clones in healthy mammary tissue by s...

Probing the malignant potential of mutant clones in healthy mammary tissue by successive mutagenesis Mutant cells are abundant in normal tissues, but only very few will transform into life-threatening cancer. The triggers for these mutant clones to transform are unclear. Phylogenetic studies of solid cancers hinted towards an imp... ver más

30/11/2029

VLAAMS INSTITUUT...

1M€

Presupuesto del proyecto: 1M€

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VIB VZW 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 HORIZON EUROPE notifico la concesión del proyecto el día 2024-12-01

ERC-2024-STG: ERC STARTING GRANTS Scope:Objectives

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VLAAMS INSTITUUT BIOTECHNOL...

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Duración del proyecto: 59 meses Fecha Inicio: 2024-12-01
Fecha Fin: 2029-11-30

Líder del proyecto

VIB VZW No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 1M€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto Mutant cells are abundant in normal tissues, but only very few will transform into life-threatening cancer. The triggers for these mutant clones to transform are unclear. Phylogenetic studies of solid cancers hinted towards an impact of the order of mutation acquisition on the malignant potential of mutant clones. However, to date, no functional studies exist validating these findings in the in vivo context.Mutant clones closely interact with their environment. Intravital microscopy experiments from my lab showed that phenotypically normal, but mutant clones in the mammary epithelium, the tissue of origin of breast cancer, dynamically rewire their environment in a mutation-specific manner. Hence, I hypothesize that the transforming potential of a mutant clone does not lie in the combination of mutations, but rather in the order in which these mutations were acquired, and thus the way in which the environment of the mutant clone was sequentially rewired, leading to a permissive or a resistant environment for tumour initiation. Tools to study sequential acquisition of mutations in vivo do not exist. Therefore, the possibility that one mutation may need to precede the other for a mutant clone to transform, has not been studied. SUCCESSion will fill this gap and develop a novel sequential somatic gene editing technology. This will be combined with intravital imaging and transcriptional profiling to study for the first time the effects of different sequences of mutations on cell behaviour and sequential rewiring of the micro-environment in the mammary gland. SUCCESSion will have a ground breaking impact from a technical point of view as it will establish a novel way of modelling pre-cancer in vivo, and from a biological point of view as it will elucidate the temporal evolution of pre-cancer in unprecedented detail. This will lead to better understanding of tumour initiation and improve risk prediction enabling early interventions to stop the cancer before it starts.

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