Definition
DOCN represents the relationship across disease, candidate genes, regulatory genes and their functions to define the causal relationship through a gene or protein network. The connectivity across the network is established through directed graphs where the nodes or genes are variables, which are connected through edges. The graph indicates interaction between and across the genes (nodes) to ultimately describe the causal mechanism of a disease. In the DOCN, the graph shows how the change of the state of one variable affects the certainty of the state of another variable hence these causal networks are graphical representations of causal relationships between the variables of the graph. For example, obesity is one of the factors for developing insulin resistance, which in turn is the cause for type 2 diabetes.
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Usage of the Disease-Oriented Causal Networks
Disease mechanisms can be explained using causal networks. These networks are used to identify genes,...
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References
Barabási A-L, Gulbahce N, Loscalzo J (2012) Network medicine: a network-based approach to human disease. Nat Rev 8(4):286–295
Schadt EE, Friend SH, Shaywitz DA (2009) A network view of disease and compound screening. Nat Rev Drug Disc 8(4):286–295
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Kumar, S., Agrawal, S. (2013). Disease-oriented Causal Networks. In: Dubitzky, W., Wolkenhauer, O., Cho, KH., Yokota, H. (eds) Encyclopedia of Systems Biology. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-9863-7_204
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