Investigating the utility of human embryonic stem cell-derived neurons to model ageing and neurodegenerative disease using whole genome gene expression and splicing analysis

Rickie Patani, Patrick A Lewis, Daniah Trabzuni, Clare A Puddifoot, David J A Wyllie, Robert Walker, Colin Smith, Giles E Hardingham, Michael Weale, John Hardy, Siddharthan Chandran, Mina Ryten

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

A major goal in regenerative medicine is the predictable manipulation of hESCs to defined cell fates that faithfully represent their somatic counterparts. Directed differentiation of hESCs into neuronal populations has galvanized much interest into their potential application in modelling neurodegenerative disease. However, neurodegenerative diseases are age-related, and therefore establishing the maturational comparability of hESC-derived neural derivatives is critical to generating accurate in-vitro model systems. We address this issue by comparing genome-wide, exon-specific expression analyses of pluripotent hESCs, multipotent neural precursor cells and a terminally-differentiated enriched neuronal population to expression data from post-mortem foetal and adult human brain samples. We show that hESC-derived neuronal cultures (using a midbrain differentiation protocol as a prototypic example of lineage restriction), while successful in generating physiologically functional neurons, are closer to foetal than adult human brain in terms of molecular maturation. These findings suggest that developmental stage has a more dominant influence on the cellular transcriptome than regional identity. Additionally, we demonstrate that developmentally-regulated gene splicing is common, and potentially a more sensitive measure of maturational state than gene expression profiling alone. In summary, this study highlights the value of genomic indices in refining and validating optimal cell populations appropriate for modelling ageing and neurodegeneration. © 2012 The Authors Journal of Neurochemistry © 2012 International Society for Neurochemistry.
Original languageEnglish
JournalJournal of Neurochemistry
DOIs
Publication statusPublished - 2012

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