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mhammell-laboratory / TEtranscripts

A package for including transposable elements in differential enrichment analysis of sequencing datasets.
http://hammelllab.labsites.cshl.edu/software/#TEtranscripts
GNU General Public License v3.0
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Question: different Genes/TEs expression #196

Closed zhangqc723 closed 1 week ago

zhangqc723 commented 1 month ago

Hi,

I have generated a counts table of TE_Genes using TEcounts. I then separately calculated differential expression for genes and TEs in R using DESeq2. Additionally, I calculated the differential expression of TE_Genes by using the merged counts table, as described in the TEtranscript documentation. However, the results from these two methods are different. Should I trust these results?

Thanks in advance for your response!

olivertam commented 1 month ago

Hi,

It is advisable to calculate differential expression of genes and TE together, as this allows a better estimation of dispersion given the assumption that most features are not expected to change significantly due to experimental condition. You would also ensure that the multiple testing correction (i.e. FDR) is correctly calculated for all the features, rather than calculated separately for genes and TE.

Thsnk.

zhangqc723 commented 1 month ago

Hi,

It is advisable to calculate differential expression of genes and TE together, as this allows a better estimation of dispersion given the assumption that most features are not expected to change significantly due to experimental condition. You would also ensure that the multiple testing correction (i.e. FDR) is correctly calculated for all the features, rather than calculated separately for genes and TE.

Thsnk.

Thank you for your insights.

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