Digital RNA allelotyping reveals tissue-specific and allele-specific gene expression in human

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Digital RNA allelotyping reveals tissue-specific and allele-specific gene expression in human

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Title: Digital RNA allelotyping reveals tissue-specific and allele-specific gene expression in human
Author: Zhang, Kun; Li, Jin Billy; Gao, Yuan; Egli, Dieter; Xie, Bin; Deng, Jie; Li, Zhe; Lee, Je-Hyuk; Aach, John Dennis; Leproust, Emily M; Eggan, Kevin Carl; Church, George McDonald

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Citation: Zhang, Kun, Jin Billy Li, Yuan Gao, Dieter Egli, Bin Xie, Jie Deng, Zhe Li, et al. 2009. “Digital RNA Allelotyping Reveals Tissue-Specific and Allele-Specific Gene Expression in Human.” Nat Meth 6 (8) (July 20): 613–618. doi:10.1038/nmeth.1357.
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Abstract: We developed a digital RNA allelotyping method for quantitatively interrogating allele-specific gene expression. This method involves ultra-deep sequencing of padlock captured SNPs from the transcriptome. We characterized four cell lines established from two human subjects in the Personal Genome Project. Approximately 11–22% of the heterozygous mRNA-associated SNPs show allele-specific expression in each cell line; and 4.3–8.5% are tissue-specific, suggesting the presence of tissue-specific cis-regulation. When applied to two pairs of sibling human embryonic stem cell lines, the sibling lines were more similar in allele-specific expression than were the genetically unrelated lines. We found that the variation of allelic ratios in gene expression among different cell lines is primarily explained by genetic variations, much more so than by specific tissue types or culturing conditions. Comparison of expressed SNPs on the sense and anti-sense transcripts suggested that allelic ratios are primarily determined by cis-regulatory mechanisms on the sense transcripts.
Published Version: doi:10.1038/nmeth.1357
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2742772/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:25757165
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