Dissemin is shutting down on January 1st, 2025

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BioMed Central, Genome Medicine, 10(6), 2014

DOI: 10.1186/s13073-014-0082-6

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Modules, networks and systems medicine for understanding disease and aiding diagnosis

Journal article published in 2014 by Mika Gustafsson, Colm E. Nestor, Huan Zhang, Albert-László Barabási, Sergio Baranzini, Søren Brunak, Kian Fan Chung, Howard J. Federoff, Miguel Angel Pujana, Miguel Àngel Pujana, Anne-Claude Gavin ORCID, Paola Picotti ORCID, Richard R. Meehan ORCID, Miguel Angel Pujana, Nikolaus Rajewsky and other authors.
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Many common diseases, such as asthma, diabetes or obesity, involve altered interactions between thousands of genes. High-throughput techniques (omics) allow identification of such genes and their products, but functional understanding is a formidable challenge. Network-based analyses of omics data have identified modules of disease-associated genes that have been used to obtain both a systems level and a molecular understanding of disease mechanisms. For example, in allergy a module was used to find a novel candidate gene that was validated by functional and clinical studies. Such analyses play important roles in systems medicine. This is an emerging discipline that aims to gain a translational understanding of the complex mechanisms underlying common diseases. In this review, we will explain and provide examples of how network-based analyses of omics data, in combination with functional and clinical studies, are aiding our understanding of disease, as well as helping to prioritize diagnostic markers or therapeutic candidate genes. Such analyses involve significant problems and limitations, which will be discussed. We also highlight the steps needed for clinical implementation. ; Funding Agencies|European Commission under the Seventh Framework Programme, CASyM; Swedish Medical Research Council; Linkoping University