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RNAseq to determine whether bidirectional transcription occurs over transposable elements following depletion of SETDB1 in THP-1 AML Cells

ABSTRACT: SETDB1 disruption leads to an increase in the expression of transposable elements as determined by our standard RNAseq, where bidirectional transcription has been reported. We repeated RNA seq on our samples with a stranded prep to determine whether bidirectional transcription occurs of transposable elements following depletion of SETDB1 in THP-1 AML Cells Methods: THP-1 cells were treated with two different SETDB1 sgRNAs (6, and 9) or Non-targeting control sgRNA (NTC) for 4 and 7 days. RNA was isolated and prepared for RNAseq with Qiagen RNeasy kits. Results: Consensus sequences for elements for upregulated TEs were downloaded from the Dfam database (Hubley et al., 2016). Stranded RNA-seq data was then aligned to consensus sequences using BWA-MEM and quantified using HTseq-count(Anders et al., 2015; Li, 2013). Reads were visualized using the IGV genome browser, using a custom pseudogenome that was generated from the Dfam consensus sequences (Robinson et al., 2011; Thorvaldsdottir et al., 2013). Conclusions: Our data determined that following the disruption of SETDB1, there is increased bidirectional transcription over a subset of transposable elements.

ORGANISM(S): Homo sapiens

PROVIDER: GSE103410 | GEO | 2017/09/06

SECONDARY ACCESSION(S): PRJNA401800

REPOSITORIES: GEO

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Homo sapiens

Project description:RNAseq to determine whether bidirectional transcription occurs over transposable elements following depletion of SETDB1 in THP-1 AML Cells

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