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Metabolic Network Topology Reveals Transcriptional Regulatory Signatures of Type 2 Diabetes

Overview of attention for article published in PLoS Computational Biology, April 2010
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Title
Metabolic Network Topology Reveals Transcriptional Regulatory Signatures of Type 2 Diabetes
Published in
PLoS Computational Biology, April 2010
DOI 10.1371/journal.pcbi.1000729
Pubmed ID
Authors

Aleksej Zelezniak, Tune H. Pers, Simão Soares, Mary Elizabeth Patti, Kiran Raosaheb Patil

Abstract

Type 2 diabetes mellitus (T2DM) is a disorder characterized by both insulin resistance and impaired insulin secretion. Recent transcriptomics studies related to T2DM have revealed changes in expression of a large number of metabolic genes in a variety of tissues. Identification of the molecular mechanisms underlying these transcriptional changes and their impact on the cellular metabolic phenotype is a challenging task due to the complexity of transcriptional regulation and the highly interconnected nature of the metabolic network. In this study we integrate skeletal muscle gene expression datasets with human metabolic network reconstructions to identify key metabolic regulatory features of T2DM. These features include reporter metabolites--metabolites with significant collective transcriptional response in the associated enzyme-coding genes, and transcription factors with significant enrichment of binding sites in the promoter regions of these genes. In addition to metabolites from TCA cycle, oxidative phosphorylation, and lipid metabolism (known to be associated with T2DM), we identified several reporter metabolites representing novel biomarker candidates. For example, the highly connected metabolites NAD+/NADH and ATP/ADP were also identified as reporter metabolites that are potentially contributing to the widespread gene expression changes observed in T2DM. An algorithm based on the analysis of the promoter regions of the genes associated with reporter metabolites revealed a transcription factor regulatory network connecting several parts of metabolism. The identified transcription factors include members of the CREB, NRF1 and PPAR family, among others, and represent regulatory targets for further experimental analysis. Overall, our results provide a holistic picture of key metabolic and regulatory nodes potentially involved in the pathogenesis of T2DM.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 221 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United Kingdom 4 2%
Spain 3 1%
Netherlands 2 <1%
United States 2 <1%
Italy 2 <1%
Iran, Islamic Republic of 2 <1%
Switzerland 1 <1%
Singapore 1 <1%
France 1 <1%
Other 5 2%
Unknown 198 90%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 63 29%
Researcher 53 24%
Student > Master 24 11%
Professor > Associate Professor 19 9%
Student > Bachelor 19 9%
Other 31 14%
Unknown 12 5%
Readers by discipline Count As %
Agricultural and Biological Sciences 107 48%
Biochemistry, Genetics and Molecular Biology 36 16%
Medicine and Dentistry 15 7%
Computer Science 12 5%
Engineering 8 4%
Other 18 8%
Unknown 25 11%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 3. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 15 November 2016.
All research outputs
#15,080,169
of 25,394,764 outputs
Outputs from PLoS Computational Biology
#6,487
of 8,964 outputs
Outputs of similar age
#82,287
of 103,568 outputs
Outputs of similar age from PLoS Computational Biology
#44
of 55 outputs
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