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mtDNA-CURE

Financiado

Treating mitochondrial disease caused by pathogenic mtDNA mutations

This proposal describes a series of powerful experimental strategies to develop a completely novel treatment for mtDNA mutation disease based on identifying unknown mechanisms controlling mtDNA replication. Several hundred differe... ver más

30/06/2023

3M€

Presupuesto del proyecto: 3M€

Líder del proyecto

KAROLINSKA INSTITUTET No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

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Financiación concedida El organismo H2020 notifico la concesión del proyecto el día 2023-06-30

ERC-2016-ADG: ERC Advanced Grant

I+D

Cerrada hace 8 años

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Información adicional privada

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

3 Participantes

2.50M€ | Lider

ENSALADAS VERDES

230.27K€ | Participante

MPG

N.D. | Participante

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Duración del proyecto: 72 meses Fecha Inicio: 2017-06-06
Fecha Fin: 2023-06-30

Líder del proyecto

KAROLINSKA INSTITUTET No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 3M€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto This proposal describes a series of powerful experimental strategies to develop a completely novel treatment for mtDNA mutation disease based on identifying unknown mechanisms controlling mtDNA replication. Several hundred different mtDNA mutations affect tRNA genes and impair mitochondrial translation leading to human disease. There is typically heteroplasmy with a mixture of wild-type and mutated mtDNA, and the mutations are acting in a recessive (loss of function) way. Very high levels of mutated mtDNA are needed to cause disease in affected patients whereas maternal relatives with high, but sub-threshold levels of mutated mtDNA are completely healthy. The corollary of these observations is that even a small increase of wild-type mtDNA may efficiently counteract disease in affected patients. This hypothesis will be validated by a series of genetic experiments with mice harbouring single pathogenic mtDNA mutations. Furthermore, novel factors controlling mtDNA replication will be identified. In particular, we will elucidate the formation and function of the mammalian displacement (D) loop, which provides a switch between abortive and genome length mtDNA replication. This very fundamental problem in mammalian mitochondrial biology has remained unsolved for decades, but I feel that the innovative experimental strategies I present in this proposal are very powerful and should have a fair chance of being successful. In any circumstance, the project will provide important molecular insights into novel mechanisms relevant for mammalian mtDNA replication. Over the years I have been strongly convinced that congruent results from in vivo and in vitro studies are needed to obtain reliable mechanistic insights and this project is therefore based on the close integration of biochemistry, advanced proteomics and state-of-the-art mouse and fly genetics. Finally, I describe a powerful large-scale screening approach to develop small molecular stimulators of mtDNA replication.

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