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| Open AccessOvercoming false-positive gene-category enrichment in the analysis of spatially resolved transcriptomic brain atlas data
Identifying enriched gene sets in transcriptomic data is routine analysis. Here, the authors show that conventional gene category enrichment analysis (GCEA) applied to brain-wide atlas data yields biased results and develop a flexible ensemble-based null model framework to enable appropriate inference in GCEA.
- Ben D. Fulcher
- , Aurina Arnatkeviciute
- & Alex Fornito
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Article
| Open AccessImproving gene function predictions using independent transcriptional components
Our understanding of the function of many transcripts is still incomplete, limiting the interpretability of transcriptomic data. Here the authors use consensus-independent component analysis, together with a guilt-by-association approach, to improve the prediction of gene function.
- Carlos G. Urzúa-Traslaviña
- , Vincent C. Leeuwenburgh
- & Rudolf S. N. Fehrmann
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Article
| Open AccessLow rates of mutation in clinical grade human pluripotent stem cells under different culture conditions
Mutations in human pluripotent stem cells (PSC) and whether any form during culture prior to use in a human clinical context are a concern. Here, the authors use hPSCs derived to cGMP standards and show they have low mutation rates after culture, noting this decreases on culturing in low (5%) oxygen conditions.
- Oliver Thompson
- , Ferdinand von Meyenn
- & Peter W. Andrews
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Article
| Open AccessIntegrative pathway enrichment analysis of multivariate omics data
Multi-omics datasets pose major challenges to data interpretation and hypothesis generation owing to their high-dimensional molecular profiles. Here, the authors develop ActivePathways method, which uses data fusion techniques for integrative pathway analysis of multi-omics data and candidate gene discovery.
- Marta Paczkowska
- , Jonathan Barenboim
- & Christian von Mering
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Article
| Open AccessElongator and codon bias regulate protein levels in mammalian peripheral neurons
Familial dysautonomia is linked to mutations in IKBKAP, a scaffolding protein for the Elongator complex, which regulates codon-biased gene translation in yeast. Here the authors show in mammalian neurons that IKBKAP loss alters expression of codon-biased genes, including some involved in DNA damage.
- Joy Goffena
- , Frances Lefcort
- & Lynn George
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Article
| Open AccessAnalysis of cardiomyocyte clonal expansion during mouse heart development and injury
During cardiac tissue formation it is unclear whether newly generated myocytes originate from cardiac progenitor cells or from pre-existing cardiomyocytes. Here, the authors use a stochastic four-colour reporter system (Rainbow) to identify the source of new cardiomyocytes during mouse development.
- Konstantina-Ioanna Sereti
- , Ngoc B. Nguyen
- & Reza Ardehali