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Niche and progenitor relationship in the aging liver.

Objectif

Age-Age-related decline in organ function and regenerative capacity poses an escalating challenge to healthcare systems worldwide by driving the rising incidence of age-related diseases. While the liver stands out among mammalian organs for its exceptional regenerative potential, the mechanisms underlying its age-related loss of function and regeneration remain unresolved. The intricate communication between epithelial progenitor cells and their non-epithelial niche—essential for orchestrating liver regeneration—has not been mapped in the context of aging, leaving a major gap in our understanding of how aging impairs liver repair.
I hypothesize that disrupted progenitor-niche signalling causes the decline in liver function and regeneration with age. I propose AgingNiche, the first comprehensive research programme to map and test age-related changes in liver cell-cell communication. Enabled by my novel work on tissue-derived liver organoids, which contain both progenitors and niche, I will integrate tissue analysis, advanced in vitro organoid modelling, and in vivo mouse studies to understand progenitor-niche interactions during steady-state aging and regenerative challenge, directly testing how age alters regenerative signalling.

Specifically, I will:
1. Characterise liver progenitor-niche relationship in both homeostasis and regeneration across age.
2. Reconstruct aging cell-cell communication in vitro using complex organoids.
3. Test signaling interventions capable of restoring regeneration in aged livers.

AgingNiche represents a breakthrough by mechanistically decoding age-related cell signalling rewiring through integrated organoid and in vivo models. This will generate a blueprint of aging liver regeneration and reveal new therapeutic targets. My expertise in organoid systems, cell signalling, tissue biology, and advanced microscopy uniquely enable this work. Success could revolutionise strategies to rejuvenate organ function and regeneration in the elderly.

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Mots‑clés

Programme(s)

Thème(s)

Régime de financement

HORIZON-ERC - HORIZON ERC Grants

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Appel à propositions

(s’ouvre dans une nouvelle fenêtre) ERC-2026-STG

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Institution d’accueil

TECHNISCHE UNIVERSITAET MUENCHEN
Contribution nette de l'UE
€ 2 498 301,00
Adresse
Arcisstrasse 21
80333 Muenchen
Allemagne
Région
Bayern Oberbayern München, Kreisfreie Stadt
Type d’activité
Higher or Secondary Education Establishments
Liens
Coût total
€ 2 498 301,00

Bénéficiaires (1)