Journal
NEUROGENETICS
Volume 18, Issue 2, Pages 81-95Publisher
SPRINGER
DOI: 10.1007/s10048-017-0509-5
Keywords
Mice; Neurological mutants; Neurological disorders; Transcriptome; Gene expression profiling
Categories
Funding
- Institute Strategic Programme from the Biotechnology and Biological Sciences Research Council of the UK [BB/J004235/1, BB/J004316/1, BB/J004332/1]
- Medical Research Council [MR/M010341/1]
- Biotechnology and Biological Sciences Research Council [BBS/E/D/20221657, BBS/E/D/20251969, BBS/E/D/10002070, BBS/E/D/20211552, BBS/E/D/20211553] Funding Source: researchfish
- Medical Research Council [MR/M010341/1] Funding Source: researchfish
- BBSRC [BBS/E/D/20251969, BBS/E/D/20221657, BBS/E/D/20211552, BBS/E/D/20211553] Funding Source: UKRI
- MRC [MR/M010341/1] Funding Source: UKRI
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The incidence of neurodegenerative diseases in the developed world has risen over the last century, concomitant with an increase in average human lifespan. A major challenge is therefore to identify genes that control neuronal health and viability with a view to enhancing neuronal health during ageing and reducing the burden of neurodegeneration. Analysis of gene expression data has recently been used to infer gene functions for a range of tissues from co-expression networks. We have now applied this approach to transcriptomic datasets from the mammalian nervous system available in the public domain. We have defined the genes critical for influencing neuronal health and disease in different neurological cell types and brain regions. The functional contribution of genes in each co-expression cluster was validated using human disease and knockout mouse phenotypes, pathways and gene ontology term annotation. Additionally a number of poorly annotated genes were implicated by this approach in nervous system function. Exploiting gene expression data available in the public domain allowed us to validate key nervous system genes and, importantly, to identify additional genes with minimal functional annotation but with the same expression pattern. These genes are thus novel candidates for a role in neurological health and disease and could now be further investigated to confirm their function and regulation during ageing and neurodegeneration.
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