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Enhancing endogenous regenerative response in mammals by redeploying Cranial Neu...

Enhancing endogenous regenerative response in mammals by redeploying Cranial Neural Crest Cells pluripotency developmental programs and positional identity remodeling Cell differentiation progresses via a continuous lineage restriction process where cell potential is reduced as the embryo develops. Pluripotent embryonic cells can beget all somatic cell types, but this capacity is rapidly restri... ver más

31/12/2027

INSERM

1M€

Presupuesto del proyecto: 1M€

Líder del proyecto

INSTITUT NATIONAL DE LA SANTE ET DE LA RECHER... No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2022-11-07

ERC-2021-STG: ERC STARTING GRANTS Scope:Objectives

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Cerrada hace 3 años

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Información adicional privada

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

1 Participantes

INSERM

1.50M€ | Lider

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Duración del proyecto: 61 meses Fecha Inicio: 2022-11-07
Fecha Fin: 2027-12-31

Líder del proyecto

INSTITUT NATIONAL DE LA SANTE ET DE LA RECHER... No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 1M€

Descripción del proyecto Cell differentiation progresses via a continuous lineage restriction process where cell potential is reduced as the embryo develops. Pluripotent embryonic cells can beget all somatic cell types, but this capacity is rapidly restricted during the formation of the three germ layers, each giving rise to distinct cell types. Uniquely among vertebrates, a stem cell-like population arising in the embryo rostral part ? called cranial neural crest cells (CNCC) ? challenges this paradigm. CNCC not only give rise to ectoderm derivatives, such as neurons and glia, but also to cell types canonically associated with the mesoderm such as bone and cartilage of the face. During my postdoctoral training I demonstrated that murine CNCC naturally reverse cell differentiation to return into a pluripotent state during development. In addition, I showed pre-migratory CNCC carry positional information reflective of their spatial origin in the neuroepithelium. However, this identity is subsequently erased with migratory CNCC forming a transcriptionally homogenous population, which later re-diversifies as CNCC undergo commitment events. In my research proposal, using single-cell transcriptomics and genomics assays I seek to uncover and characterize gene regulatory networks and chromatin rearrangements regulating the reemergence of pluripotency programs within CNCC and the underlying reprograming of cellular identity. CNCC represent a unique model to study the molecular mechanisms governing cell-intrinsic behavior but also the role of the niche, which may influence the sequence of events by cell-cell interactions during craniofacial ontogeny. The interdisciplinary scope of experimental strategies included in this proposal will help understand how these fundamental processes are regulated and might result in novel strategies to stimulate craniofacial tissue repair, as cell dedifferentiation and reconfiguration of positional identity are two essential milestones for endogenous regeneration.

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