Ulrich Pfeffer

6 Questions 84 Answers 0 Followers

Questions related from Ulrich Pfeffer

Are there free online tools for the visualization of gene set (GO-) enrichment analysis results?

Gene set enrichment analyses usually end up with lists of enriched categories associated with a p-value or some othewr measure of reliability. I am looking for free visualization tools such as...

01 January 2019 9,310 1 View

What are the factors that contribute to intrinsic and acquired resistance to therapy with immune checkpoint blockers of human cancers?

Approximately 30% of cancer patients respond to ICB therapy, some for very extended periods. ICB is an enormous step forwar for many cancers such as melanoma but still, the majority of patients do...

05 May 2018 1,340 1 View

What would you consider as expression threshold for Affymetrix miRNA arrays?

Although there is no absolute threshold under which a gene must be considered as "not expressed" for Affymetrix mRNA expression arrays the vlaue of 5 (log scale) is commonly considered as...

12 December 2014 4,805 1 View

How to perform RNAseq statistics?

RNAseq delivers gene expression data from experiments with several biological replicates for two or more conditions. Once you have the processed gene expression data comparisons between conditions...

10 October 2014 6,711 10 View

Which is the best tool to predict whether a mutation in a promoter sequence alters transcription factor binding

The analysios should be carried out without preselection of transcription factors

03 March 2014 3,906 2 View

Which free software for the analysis of Affymetrix aCGH/SNP array data can you recommend

I am currently using CNAG software but not entirely satisfied with it. Partek is nice but expensive. Any suggestions?

12 December 2012 8,339 3 View