Evidence map›Paper›PMID 28376810›Full record

ArticleBMC systems biology2017

Rewiring of the inferred protein interactome during blood development studied with the tool PPICompare.

Thorsten Will, Volkhard Helms

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Article in BMC systems biology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

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4citing papers in PubMed
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4 citing papers in PubMed.

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5 · Who and what money

Authors and funding

2 authors.

Thorsten WillCenter for Bioinformatics, Saarland University, Campus E2.1, Saarbrücken, 66123, Germany.
Volkhard HelmsCenter for Bioinformatics, Saarland University, Campus E2.1, Saarbrücken, 66123, Germany. volkhard.helms@bioinformatik.uni-saarland.de.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundDifferential analysis of cellular conditions is a key approach towards understanding the consequences and driving causes behind biological processes such as developmental transitions or diseases. The progress of whole-genome expression profiling enabled to conveniently capture the state of a cell's transcriptome and to detect the characteristic features that distinguish cells in specific conditions. In contrast, mapping the physical protein interactome for many samples is experimentally infeasible at the moment. For the understanding of the whole system, however, it is equally important how the interactions of proteins are rewired between cellular states. To overcome this deficiency, we recently showed how condition-specific protein interaction networks that even consider alternative splicing can be inferred from transcript expression data. Here, we present the differential network analysis tool PPICompare that was specifically designed for isoform-sensitive protein interaction networks.

resultsBesides detecting significant rewiring events between the interactomes of grouped samples, PPICompare infers which alterations to the transcriptome caused each rewiring event and what is the minimal set of alterations necessary to explain all between-group changes. When applied to the development of blood cells, we verified that a reasonable amount of rewiring events were reported by the tool and found that differential gene expression was the major determinant of cellular adjustments to the interactome. Alternative splicing events were consistently necessary in each developmental step to explain all significant alterations and were especially important for rewiring in the context of transcriptional control.

conclusionsApplying PPICompare enabled us to investigate the dynamics of the human protein interactome during developmental transitions. A platform-independent implementation of the tool PPICompare is available at https://sourceforge.net/projects/ppicompare/ .

Indexed as

Protein Interaction MapsAlternative SplicingBlood ProteinsComputational BiologyGene Expression ProfilingHematopoiesisHumansMolecular Sequence AnnotationTranscription, GeneticBlood ProteinsAlternative splicingDifferential network analysisHematopoiesisProtein-protein interaction networks

Identifiers

PMID28376810
PMCPMC5379774

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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.