Qlucore Omics Explorer Makes RNA-Seq Analysis Simple

26 Aug 2014
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RNAseq data can now be analyzed just as easily as microarray data

In recent years, transcriptomic profiling via next generation sequencing (RNA-seq) has emerged as both a technical and cost-effective alternative to arrays.

Qlucore Omics Explorer 3.0 supports direct import and normalization of RNA-seq data (aligned BAM files) which makes it easier to analyze digital gene expression data. With only a few mouse clicks the discriminating genes are identified and results are available in publication ready lists and plots, using Qlucore’s next-generation bioinformatics software.

One of the most prominent advantages of RNA-seq compared to array-based techniques is that RNA-seq can be applied without extensive knowledge of the genomic sequence and the location of genes or other features of interest. Using Qlucore Omics Explorer, RNAseq data can now be analyzed just as easily as microarray data. These files can be directly imported and normalized and then functionality from heat maps to statistical filters and PCA plots is available.

A key aspect of all functionality in Qlucore Omics Explorer is to make it as easy to use as possible. The purpose is to secure that scientists themselves can analyze and explore the experiment data. This enables new discoveries. With the support for RNA-seq data this option is now also available for the scientists. Additionally it was in the early days of RNA-seq analysis believed that count based statistical methods were required to receive stable results, but it is shown that statistical methods combining a variance-stabilizing transformation with t-test perform very well under many different conditions. They actually also seem to be more robust towards outliers. This means that all existing functionality in Qlucore Omics Explorer can be used directly and the scientist does not have to learn new statical models but can focus on the biological results.

Key RNA-seq analysis and exploration functionality:
 
• Identify discriminating genes with a few mouse clicks
• Show results in the flexible and easy-to-use heat map with hierarchical clustering
• Verify hypotheses using powerful statistics including ANOVA and different forms of regressions
• Compare with pathways and other biological information using the integrated and user friendly Gene Set Enrichment analysis (GSEA) Workbench

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