Question: Splicing affected DE genes
0
gravatar for aj123
3.9 years ago by
aj12380
United States
aj12380 wrote:

 

    Hi,

    I am trying to compare results between isoform and gene level DE for a set of genes to figure out if any of the genes were affected by splicing. Any suggestions on how to do this?

ADD COMMENTlink modified 3.9 years ago by Carlo Yague4.7k • written 3.9 years ago by aj12380
0
gravatar for Carlo Yague
3.9 years ago by
Carlo Yague4.7k
Belgium
Carlo Yague4.7k wrote:

Hi,

You don't need to use DE information for that, instead you could just use expression values (either RPKM, read counts or similar) to compare isoform proportions in your different conditions.

If you really need to use DE information, then you could try to find isoforms that are significantly more/less differentially expressed than their parent gene. For instance use this score :  abs(foldChange(Isoform) - foldChange(parentGene))

You may need to filter out lowly expressed isoforms for more robust results.

ADD COMMENTlink written 3.9 years ago by Carlo Yague4.7k
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