Control of cell fate decisions in neurogenesis: use of embryonic stem cells to investigate key signalling systems and gene expression programs

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Human embryonic stem cells (hESC) have the potential to provide an unlimited source of specific subtypes of human neurons for basic studies in neuroscience and biomedical applications. The use of hESC is limited at present by a lack of control over lineage commitment during differentiation in vitro. This project will use engineered reporter hESC lines to investigate which cell signalling pathways and gene expression programs are involved in controlling cell fate. The project will result in improved protocols for hESC differentiation allowing enrichment of cultures with specific neuronal subtypes, and significant advances in the understanding of neuronal lineage commitment and maturation during brain development.