Inference of gene regulatory network with S-system and artificial Bee Colony algorithm
AuthorObayed Bin Mahfuz
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Gene Regulatory Networks are the basic functional unit in living organisms. Gene Regulatory Network mainly refers to the behavior of thousands of genes (inside the chromosome of cell) with other genes. Each gene has expression levels and interaction with other genes. These interactions and expression levels can be calculated from their amount and time duration of protein production. Due to the invention of DNA microarray in biotechnology, we are able to find gene expression levels from real genetic regulatory networks. Now it’s the time to find a reverse process to reach a satisfactory result that matches with those data derived from DNA microarray. If we can find those values that satisfy the result, then we can predict our gene behavior much early. Watching abnormal gene behavior, diseases can be found .Thus it can be a revolutionary step towards medicine and diagnosis sector. If we reach better accuracy then it will also help us to develop tissue and organs. That means, for chronic disease or any other problem if one’s heart cannot pump blood, then he can repair his heart by making a new heart developed from the muscle cells from any other organ of his body. Biological systems are very much complex in nature. And S-system model is a recent and popular class to model biological systems. Hence, I am using S-system class for modeling. Gene Regulatory Networks contain a large number of genes. And artificial bee colony is best suited for population based problems. Hence, I am proposing an inference algorithm of gene regulatory network on the framework of S-system class of ordinary differential equations (ODEs) and artificial bee colony algorithm.