2019
DOI: 10.1038/s41540-019-0116-1
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An omnidirectional visualization model of personalized gene regulatory networks

Abstract: Gene regulatory networks (GRNs) have been widely used as a fundamental tool to reveal the genomic mechanisms that underlie the individual’s response to environmental and developmental cues. Standard approaches infer GRNs as holistic graphs of gene co-expression, but such graphs cannot quantify how gene–gene interactions vary among individuals and how they alter structurally across spatiotemporal gradients. Here, we develop a general framework for inferring informative, dynamic, omnidirectional, and personalize… Show more

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Cited by 27 publications
(31 citation statements)
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“…We argue that cancer biomarkers may not only be interpreted as single genes, but also include the pattern of how each gene interacts with every other gene to form a complex but organized network. Chen et al’s [ 18 ] idopNetworks are among the most advanced networks to omnidirectionally reveal the topological differences of gene interactions across spatiotemporal gradients. To reconstruct such idopNetworks for neuroblastoma risk, we coin the concept of expression index (EI), defined as the total expression amount of all genes on a patient or sample, and plot the expression of individual genes against the ordered EI across samples ( Figure 1 ).…”
Section: Resultsmentioning
confidence: 99%
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“…We argue that cancer biomarkers may not only be interpreted as single genes, but also include the pattern of how each gene interacts with every other gene to form a complex but organized network. Chen et al’s [ 18 ] idopNetworks are among the most advanced networks to omnidirectionally reveal the topological differences of gene interactions across spatiotemporal gradients. To reconstruct such idopNetworks for neuroblastoma risk, we coin the concept of expression index (EI), defined as the total expression amount of all genes on a patient or sample, and plot the expression of individual genes against the ordered EI across samples ( Figure 1 ).…”
Section: Resultsmentioning
confidence: 99%
“…These approaches can also only reconstruct context-agnostic networks, failing to reveal the change in network structure in response to environmental and developmental signals. We implement and modify Chen et al's [18] networking Figure 7. Voronoi treemaps that visualize fine-grained idopNetworks among genes from module 20 (A) and 29 (B) for high-risk and low-risk patients.…”
Section: Discussionmentioning
confidence: 99%
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