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GENECARE

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GENome and Epigenome integrity Consecutive to DSBs in Active REgion

DNA double-strand breaks (DSBs) are toxic lesions, holding the potential to generate mutations, copy number alterations and translocations. Beyond programmed DSBs induced during meiosis and antibody repertoire generation, DSBs wer... ver más

30/09/2026

CNRS

2M€

Presupuesto del proyecto: 2M€

Líder del proyecto

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE... No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

Ver 2 Participantes

Financiación concedida El organismo H2020 notifico la concesión del proyecto el día 2021-07-05

ERC-2020-ADG: ERC ADVANCED GRANT

I+D

Cerrada hace 4 años

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Información adicional privada

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

2 Participantes

CNRS

1.75M€ | Lider

SEDNI

412.37K€ | Participante

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Duración del proyecto: 62 meses Fecha Inicio: 2021-07-05
Fecha Fin: 2026-09-30

Líder del proyecto

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE... No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 2M€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto DNA double-strand breaks (DSBs) are toxic lesions, holding the potential to generate mutations, copy number alterations and translocations. Beyond programmed DSBs induced during meiosis and antibody repertoire generation, DSBs were historically seen as rare, mostly therapy-induced DNA lesions. However, recent work unequivocally revealed that endogenous DSBs occur far more frequently that initially believed, including in physiological conditions, such as neuron stimulation, and mainly fall within transcribed loci, partly due to topoisomerase II activity. Notably, altered repair of these DSBs is not only emerging as a driver of oncogenesis but also of many developmental, neurological and aging-associated diseases. Our lab has pioneered the discovery of a dedicated pathway that, alike TC-NER for damaged nucleotides, is actually mobilized to repair such DSBs in transcribed loci, coined as Transcription Coupled DSB repair (TC-DSBR). This pathway entails chromatin signaling, nuclear reorganization and the regulation of transcription, but remains poorly characterized overall. Using advanced genomics, proteomics and microscopy, here we intend to perform an in-depth characterization of the TC-DSBR protein network, of the function of chromatin and nuclear organization in this process, to explore its potential as a target for cancer therapy and to investigate its relevance in maintaining genomic and epigenomic integrity in physiological conditions that trigger DSB in active genes, here in stimulated neurons. By deciphering the mechanisms that ensure repair of DSBs in transcribed loci, this project holds the potential to expand our knowledge on the biogenesis of translocations and cancer onset, to provide new topoisomerase-poison-based therapeutic strategies but also to provide major breakthroughs in our understanding of neurodegenerative diseases.

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