Transcriptomics

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Chemically-defined and dynamic click hydrogels support hair cell differentiation in human inner ear organoids


ABSTRACT: The mechanical properties in the inner ear microenvironment play a key role in its patterning during embryonic development. To recapitulate inner ear development in vitro, three-dimensional tissue engineering strategies including the application of representative tissue models and scaffolds are of increasing interest. Human inner ear organoids are a promising model to recapitulate developmental processes; however the current protocol requires Matrigel that contains ill-defined extracellular matrix components. Here, we implement an alternative, chemically-defined, dynamic hydrogel to support differentiation of human inner ear organoids. Specifically, thiol-norbornene and hydrazide-aldehyde click chemistries are used to fabricate inner ear organoid-laden, gelatin-based scaffolds. We identify optimal formulations to support hair cell development with comparable efficiency and fidelity to Matrigel-cultured organoids. These results suggest that the chemically-defined hydrogel may serve as a viable alternative to Matrigel for inner ear tissue engineering. 

ORGANISM(S): Homo sapiens

PROVIDER: GSE277377 | GEO | 2025/01/09

REPOSITORIES: GEO

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