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MBASED: allele-specific expression detection in cancer tissues and cell lines.


ABSTRACT: Allele-specific gene expression, ASE, is an important aspect of gene regulation. We developed a novel method MBASED, meta-analysis based allele-specific expression detection for ASE detection using RNA-seq data that aggregates information across multiple single nucleotide variation loci to obtain a gene-level measure of ASE, even when prior phasing information is unavailable. MBASED is capable of one-sample and two-sample analyses and performs well in simulations. We applied MBASED to a panel of cancer cell lines and paired tumor-normal tissue samples, and observed extensive ASE in cancer, but not normal, samples, mainly driven by genomic copy number alterations.

SUBMITTER: Mayba O 

PROVIDER: S-EPMC4165366 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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MBASED: allele-specific expression detection in cancer tissues and cell lines.

Mayba Oleg O   Gilbert Houston N HN   Liu Jinfeng J   Haverty Peter M PM   Jhunjhunwala Suchit S   Jiang Zhaoshi Z   Watanabe Colin C   Zhang Zemin Z  

Genome biology 20140807 8


Allele-specific gene expression, ASE, is an important aspect of gene regulation. We developed a novel method MBASED, meta-analysis based allele-specific expression detection for ASE detection using RNA-seq data that aggregates information across multiple single nucleotide variation loci to obtain a gene-level measure of ASE, even when prior phasing information is unavailable. MBASED is capable of one-sample and two-sample analyses and performs well in simulations. We applied MBASED to a panel of  ...[more]

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