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Bioinformatics. 2017 Jun 15;33(12):1751-1757. doi: 10.1093/bioinformatics/btx028.

HIPred: an integrative approach to predicting haploinsufficient genes.

Author information

1
MRC Integrative Epidemiology Unit (IEU), University of Bristol, Bristol, UK.
2
Intelligent Systems Laboratory, University of Bristol, Bristol, UK.

Abstract

Motivation:

A major cause of autosomal dominant disease is haploinsufficiency, whereby a single copy of a gene is not sufficient to maintain the normal function of the gene. A large proportion of existing methods for predicting haploinsufficiency incorporate biological networks, e.g. protein-protein interaction networks that have recently been shown to introduce study bias. As a result, these methods tend to perform best on well-studied genes, but underperform on less studied genes. The advent of large genome sequencing consortia, such as the 1000 genomes project, NHLBI Exome Sequencing Project and the Exome Aggregation Consortium creates an urgent need for unbiased haploinsufficiency prediction methods.

Results:

Here, we describe a machine learning approach, called HIPred, that integrates genomic and evolutionary information from ENSEMBL, with functional annotations from the Encyclopaedia of DNA Elements consortium and the NIH Roadmap Epigenomics Project to predict haploinsufficiency, without the study bias described earlier. We benchmark HIPred using several datasets and show that our unbiased method performs as well as, and in most cases, outperforms existing biased algorithms.

Availability and Implementation:

HIPred scores for all gene identifiers are available at: https://github.com/HAShihab/HIPred .

Contact:

h.shihab@bristol.ac.uk or tom.gaunt@bristol.ac.uk.

Supplementary information:

Supplementary data are available at Bioinformatics online.

PMID:
28137713
PMCID:
PMC5581952
DOI:
10.1093/bioinformatics/btx028
[Indexed for MEDLINE]
Free PMC Article

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