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25th World Congress on Cancer Science and Therapy

Baltimore, USA

Umashanger Thayasivam

Rowan University , USA

Title: Proteomics-based biomarker discovery through data mining

Biography

Biography: Umashanger Thayasivam

Abstract

Analyzing biomarkers is a rapidly emerging study that helps answering a wide range of biological questions. Modern biology has experienced an increasing use of data mining techniques for large scale and complex biomarker analysis. There is an urgent need to identify biomarkers that can accurately detect and diagnose rare diseases. One of its greatest potentials is, the development of criteria that allow us to diagnose a disease or to classify patients according to their risk for a clinical outcome of interest. Metabolite profiling data and omics data in general, pose several statistical challenges for classification and prediction. Metabolomics, like most ‘omics’ technologies, suffer from the problem of having huge quantities of data without the ability to efficiently process them and gain valuable knowledge. Random Forest (RF) technique, which includes an ensemble of decision trees and incorporates feature selections and interactions naturally within the learning process, is a popular choice for omics data. Recent work in computational biology has shown an increased use of random forest, owing to its unique advantages in dealing with small sample. The focus of this presentation is two-fold. First, to provide an overview of data mining in particlulur Random Forest (RF) technique in biomarker discovery, including feature selection. Second, to briefly introduce application by presenting results from different biomarker studies.