Evidence map›Paper›PMID 27484474›Full record

ArticleNucleic acids research2016

Differential peak calling of ChIP-seq signals with replicates with THOR.

Manuel Allhoff, Kristin Seré, Juliana F Pires, Martin Zenke, Ivan G Costa

Abstract read
In one paragraph

Article in Nucleic acids research, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers.

0numbers the graph read from it
0cells of the map it votes in
43citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

43 citing papers in PubMed.

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  6. A lncRNA identifieseLife · 2023
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Manuel AllhoffIZKF Bioinformatics Research Group, RWTH Aachen University Medical School, Pauwelsstr. 19, 52074 Aachen, Germany.
Kristin SeréHelmholtz Institute for Biomedical Engineering, RWTH Aachen University, Pauwelsstr. 20, 52074 Aachen, Germany.
Juliana F PiresIZKF Bioinformatics Research Group, RWTH Aachen University Medical School, Pauwelsstr. 19, 52074 Aachen, Germany.
Martin ZenkeHelmholtz Institute for Biomedical Engineering, RWTH Aachen University, Pauwelsstr. 20, 52074 Aachen, Germany.
Ivan G CostaIZKF Bioinformatics Research Group, RWTH Aachen University Medical School, Pauwelsstr. 19, 52074 Aachen, Germany ivan.costa@rwth-aachen.de.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The study of changes in protein-DNA interactions measured by ChIP-seq on dynamic systems, such as cell differentiation, response to treatments or the comparison of healthy and diseased individuals, is still an open challenge. There are few computational methods comparing changes in ChIP-seq signals with replicates. Moreover, none of these previous approaches addresses ChIP-seq specific experimental artefacts arising from studies with biological replicates. We propose THOR, a Hidden Markov Model based approach, to detect differential peaks between pairs of biological conditions with replicates. THOR provides all pre- and post-processing steps required in ChIP-seq analyses. Moreover, we propose a novel normalization approach based on housekeeping genes to deal with cases where replicates have distinct signal-to-noise ratios. To evaluate differential peak calling methods, we delineate a methodology using both biological and simulated data. This includes an evaluation procedure that associates differential peaks with changes in gene expression as well as histone modifications close to these peaks. We evaluate THOR and seven competing methods on data sets with distinct characteristics from in vitro studies with technical replicates to clinical studies of cancer patients. Our evaluation analysis comprises of 13 comparisons between pairs of biological conditions. We show that THOR performs best in all scenarios.

Indexed as

Chromatin ImmunoprecipitationHigh-Throughput Nucleotide SequencingMarkov ChainsSequence Analysis, DNAAlgorithmsCell DifferentiationComputational BiologyDatasets as TopicDendritic CellsEpigenesis, GeneticHistonesHumansLymphoma, B-CellWorkflowHistones

Identifiers

PMID27484474
PMCPMC5175345

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.