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Buffering of transcription rate by mRNA half-life is a conserved feature of Rett syndrome models.
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- Author(s): Rodrigues, Deivid C.; Mufteev, Marat; Yuki, Kyoko E.; Narula, Ashrut; Wei, Wei; Piekna, Alina; Liu, Jiajie; Pasceri, Peter; Rissland, Olivia S.; Wilson, Michael D.; Ellis, James
- Source:
Nature Communications; 4/5/2023, Vol. 14 Issue 1, p1-15, 15p- Subject Terms:
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- Additional Information
- Abstract: Transcriptional changes in Rett syndrome (RTT) are assumed to directly correlate with steady-state mRNA levels, but limited evidence in mice suggests that changes in transcription can be compensated by post-transcriptional regulation. We measure transcription rate and mRNA half-life changes in RTT patient neurons using RATEseq, and re-interpret nuclear and whole-cell RNAseq from Mecp2 mice. Genes are dysregulated by changing transcription rate or half-life and are buffered when both change. We utilized classifier models to predict the direction of transcription rate changes and find that combined frequencies of three dinucleotides are better predictors than CA and CG. MicroRNA and RNA-binding Protein (RBP) motifs are enriched in 3ʹUTRs of genes with half-life changes. Nuclear RBP motifs are enriched on buffered genes with increased transcription rate. We identify post-transcriptional mechanisms in humans and mice that alter half-life or buffer transcription rate changes when a transcriptional modulator gene is mutated in a neurodevelopmental disorder. Rett syndrome (RTT) is a neurodevelopmental disorder caused by mutations in the transcriptional modulator MECP2. Here, the authors measured transcription rate and mRNA half-life changes in RTT patient-derived neurons to show transcription rate buffered by mRNA half-life changes. [ABSTRACT FROM AUTHOR]
- Abstract: Copyright of Nature Communications is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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