Heatmaps are an indispensible visualization tool for examining large-scale snapshots of genomic activity across various types of next-generation sequencing datasets. However, traditional heatmap software do not typically offer multi-scale insight across multiple layers of genomic analysis (e.g., differential expression analysis, ...
Read More »LPEseq – accurately test differential expression with a limited number of replicates
RNA-Sequencing (RNA-Seq) provides valuable information for characterizing the molecular nature of the cells, in particular, identification of differentially expressed transcripts on a genome-wide scale. Unfortunately, cost and limited specimen availability often lead to studies with small sample sizes, and hypothesis ...
Read More »Recommendations for differential expression analysis and biomarker discovery small RNA-Seq experiments in an age of liquid biopsies
Small RNA-Seq has emerged as a powerful tool in transcriptomics, gene expression profiling and biomarker discovery. Sequencing cell-free nucleic acids, particularly microRNA (miRNA), from liquid biopsies additionally provides exciting possibilities for molecular diagnostics, and might help establish disease-specific biomarker signatures. ...
Read More »Flexible expressed region analysis for RNA-seq with derfinder
Differential expression analysis of RNA sequencing (RNA-seq) data typically relies on reconstructing transcripts or counting reads that overlap known gene structures. Researchers at Johns Hopkins University previously introduced an intermediate statistical approach called differentially expressed region (DER) finder that seeks ...
Read More »XBSeq – Differential expression analysis of RNA sequencing data by incorporating non-exonic mapped reads
RNA sequencing (RNA-seq) is a powerful tool for genome-wide expression profiling of biological samples with the advantage of high-throughput and high resolution. There are many existing algorithms nowadays for quantifying expression levels and detecting differential gene expression, but none of ...
Read More »derfinder – identify, visualize, and interpret differentially expressed regions
Differential expression analysis of RNA sequencing (RNA-seq) data typically relies on reconstructing transcripts or counting reads that overlap known gene structures. Previously, researchers at Johns Hopkins Bloomberg School of Public Health introduced an intermediate approach called differentially expressed region (DER) finder ...
Read More »PLNseq – a multivariate Poisson lognormal distribution for high-throughput matched RNA-sequencing read count data
High-throughput RNA-sequencing (RNA-seq) technology provides an attractive platform for gene expression analysis. In many experimental settings, RNA-seq read counts are measured from matched samples or taken from the same subject under multiple treatment conditions. The induced correlation therefore should be ...
Read More »Error estimates for the analysis of differential expression from RNA-seq count data
A number of algorithms exist for analysing RNA-sequencing data to infer profiles of differential gene expression. Problems inherent in building algorithms around statistical models of over dispersed count data are formidable and frequently lead to non-uniform p-value distributions for null-hypothesis ...
Read More »RNA-Seq with iReport and InSilico DB
RNA-Seq, or transcriptome sequencing, continues to be an exciting way to explore gene expression using next-generation sequencing (NGS). But for many researchers, the interpretation of RNA-Seq data remains a daunting task because they are using spreadsheets to read transcript names ...
Read More »RNA-Skim – a rapid method for RNA-Seq quantification at transcript level
RNA-Seq technique has been demonstrated as a revolutionary means for exploring transcriptome because it provides deep coverage and base pair-level resolution. RNA-Seq quantification is proven to be an efficient alternative to Microarray technique in gene expression study, and it is ...
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