Abstract
The regulatory action of a gene in a complex network is guided by the differential functionalities of the gene acting under varied conditions. Many methodologies have been proposed in recent years to unveil this regulation. However in this context the gene ranking obtained via separate methodologies according to their significance is quite dissimilar to one another making regulatory assessment of genes very difficult. In this paper, we have developed a novel procedure to compute significant genes using more than one ranking strategy. Accordingly, we have explored this idea applying the concept of non-dominated set of solutions residing in different Pareto optimal fronts. Our main objective is to find a set of non-dominated genes in the primary Pareto front each of which having an optimal combination of significant ranking across different ranking algorithms. In the results we have shown that most of the KEGG pathways formed from the set of DE genes contain at most two genes from the non-dominated set. This helps us to understand the independent regulatory function of a gene from the non-dominated set with the set of dominated genes. In other words, the existence of enriched control pathways with significant ranked genes non-dominant to one another is almost absent.
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Sarkar, M., Majumder, A. (2017). Multiobjective Ranked Selection of Differentially Expressed Genes. In: Deiva Sundari, P., Dash, S., Das, S., Panigrahi, B. (eds) Proceedings of 2nd International Conference on Intelligent Computing and Applications. Advances in Intelligent Systems and Computing, vol 467. Springer, Singapore. https://doi.org/10.1007/978-981-10-1645-5_7
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DOI: https://doi.org/10.1007/978-981-10-1645-5_7
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