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MitoTROJAN

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Dysfunctional mitochondria as a neuronal pathogen

The symbiosis between the mitochondrion and the ancestor of the eukaryotic cell allowed cellular complexity. Due to its archeobacterial origin, mitochondria has been posited as a potential source of molecules that can elicit cellu... ver más

29/05/2024

UAB

173K€

Presupuesto del proyecto: 173K€

Líder del proyecto

UNIVERSITAT AUTÒNOMA DE BARCELONA No se ha especificado una descripción o un objeto social para esta compañía.

Total investigadores 1265

Fecha límite participación Sin fecha límite de participación.

Financiación concedida El organismo H2020 notifico la concesión del proyecto el día 2024-05-29

MSCA-IF-2020: Individual Fellowships

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.

1 Participantes

UAB

172.93K€ | Lider

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Duración del proyecto: 37 meses Fecha Inicio: 2021-04-16
Fecha Fin: 2024-05-29

Líder del proyecto

UNIVERSITAT AUTÒNOMA DE BARCELONA No se ha especificado una descripción o un objeto social para esta compañía.

Total investigadores 1265

Presupuesto del proyecto 173K€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto The symbiosis between the mitochondrion and the ancestor of the eukaryotic cell allowed cellular complexity. Due to its archeobacterial origin, mitochondria has been posited as a potential source of molecules that can elicit cellular responses to pathogens. Among other key functions, mitochondria generates most of the energy required by cells. Alterations in components of the mitochondrial energy-generating machinery lead to primary mitochondrial disease (MD), a group of highly invalidating human conditions with no effective treatment. High-energy-requiring cells, such as neurons, are especially affected in MD. However, not all neuronal populations are equally affected and the molecular determinants of this susceptibility are currently unknown. Recently, Quintana´s lab uncovered that GABAergic neurons in the Globus Pallidus (GPe) of a mouse model of Leigh syndrome (LS) are particularly sensitive to MD leading to fatal encephalopathy, recapitulating the human pathology. In addition, unpublished results of the host group showed that this neuronal population develop a robust cellular antiviral-like response elicited by mitochondrial double-stranded RNA (mtdsRNA). Nevertheless, the contribution of mtdsRNA release in the MD progression has never been defined. Thus, the main goal of MitoTROJAN is to identify the effect of mtdsRNA-induced neuropathology in the context of mitochondrial dysfunction with the overarching goal of providing novel targets for the treatment of MD. By combining mouse genetics with cutting-edge molecular biology and multi-omics approach, I will carry out a multidisciplinary strategy to i) parse the molecular mechanisms of mtdsRNA-induced neuropathology and ii) characterise the antiviral response-induced protein shutdown in affected neurons. Overall results will provide new insight on an uncharacterized mechanism of mitochondria-mediated neurodegeneration and will help to identify novel therapeutic targets for MD and other neurodegenerative diseases.

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