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Chicdiff: a computational pipeline for detecting differential chromosomal interactions in Capture Hi-C data.


ABSTRACT:

Summary

Capture Hi-C is a powerful approach for detecting chromosomal interactions involving, at least on one end, DNA regions of interest, such as gene promoters. We present Chicdiff, an R package for robust detection of differential interactions in Capture Hi-C data. Chicdiff enhances a state-of-the-art differential testing approach for count data with bespoke normalization and multiple testing procedures that account for specific statistical properties of Capture Hi-C. We validate Chicdiff on published Promoter Capture Hi-C data in human Monocytes and CD4+ T cells, identifying multitudes of cell type-specific interactions, and confirming the overall positive association between promoter interactions and gene expression.

Availability and implementation

Chicdiff is implemented as an R package that is publicly available at https://github.com/RegulatoryGenomicsGroup/chicdiff.

Supplementary information

Supplementary data are available at Bioinformatics online.

SUBMITTER: Cairns J 

PROVIDER: S-EPMC6853696 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature

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Chicdiff: a computational pipeline for detecting differential chromosomal interactions in Capture Hi-C data.

Cairns Jonathan J   Orchard William R WR   Malysheva Valeriya V   Spivakov Mikhail M  

Bioinformatics (Oxford, England) 20191101 22


<h4>Summary</h4>Capture Hi-C is a powerful approach for detecting chromosomal interactions involving, at least on one end, DNA regions of interest, such as gene promoters. We present Chicdiff, an R package for robust detection of differential interactions in Capture Hi-C data. Chicdiff enhances a state-of-the-art differential testing approach for count data with bespoke normalization and multiple testing procedures that account for specific statistical properties of Capture Hi-C. We validate Chi  ...[more]

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