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Transgenerational epigenetic inheritance of cardiac regenerative capacity in the...

Transgenerational epigenetic inheritance of cardiac regenerative capacity in the zebrafish While myocardial infarction leads to adverse ventricular remodeling ultimately causing heart failure in humans, some animals, including zebrafish can regenerate the injured heart. We recently revealed a high degree of plasticity i... ver más

31/01/2025

UNIVERSITAET BERN

2M€

Presupuesto del proyecto: 2M€

Líder del proyecto

UNIVERSITAET BERN 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 3 Participantes

Financiación concedida El organismo H2020 notifico la concesión del proyecto el día 2025-01-31

ERC-2018-COG: ERC Consolidator Grant

I+D

Cerrada hace 6 años

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3 Participantes

UNIVERSITAET BERN

1.67M€ | Lider

IKOR SISTEMAS ELECTRONICOS

493.04K€ | Participante

CENTRO NACIONAL DE INVESTIGA...

326.25K€ | Participante

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Duración del proyecto: 72 meses Fecha Inicio: 2019-01-21
Fecha Fin: 2025-01-31

Líder del proyecto

UNIVERSITAET BERN 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 While myocardial infarction leads to adverse ventricular remodeling ultimately causing heart failure in humans, some animals, including zebrafish can regenerate the injured heart. We recently revealed a high degree of plasticity in cardiomyocyte subpopulations involved in the reconstruction of the injured heart. The gene regulatory network involved in heart regeneration is starting to be elucidated and epigenetic remodeling has been suggested to play a pivotal role during this process. Similarly it is known that the environment can influence the regenerative capacity but whether such an effect can be transmitted from one generation to the next has not been addressed. This mechanism is called transgenerational epigenetic inheritance (TEI) and describes the transfer of experiences from parents to their offspring through the gametes, independent on changes in DNA sequence. TEI has also been described in humans: starvation suffered by grandparents affects the metabolism of grandchildren. TEI is also relevant to organ injury: in rats, offspring from parents exposed to liver toxicants revealed reduced hepatic fibrosis in response to the same injury. Changes in DNA methylation, histone modifications and non-coding RNAs have been associated to TEI. We aim to describe for the first time epigenetic inheritance of organ regeneration and unravel its underlying mechanism using the zebrafish model. We will assess whether cardiac injury elicits epigenetic modifications in sperm and determine if offspring from injured parental fish reveal altered heart regeneration. Genetic models will be developed for functional assessment of identified modifications. We will also further analyze cell plasticity during heart regeneration and address whether hearts regenerated from different progenitors respond equally well to further injuries. Our expected findings will constitute a paradigm shift on the origins of cardiovascular disease and define epigenetic priming as a basis for regeneration.

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