Are harmonized RNA-seq counts suitable for edgeR/DEseq2 normalization?
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2.4 years ago

Hello all,

I want to use RNA-seq data from the recently released BeatAML 2.0 cohort. This is the second iteration of the dataset, and it has been "harmonized" to accomodate the addition of new RNA-seq samples. Specifically, they have harmonized the data by normalizing the counts using conditional quantile normalization (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3297825/). Presumably this corrects for variability in GC content between samples, however noticeably lacks the inter-sample normalization provided by edgeR or DEseq2.

Seeing how edgeR or DEseq2 ideally utilize raw counts as input, I was wondering if these harmonized counts were suitable. If not, is there an alternate normalization method that would be recommended for this particular situation?

Thanks!

normalization harmonized • 829 views
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seems like a pretty nuanced issue, I would recommend posting in Bioconductor support where DESeq2/EdgeR developers are very active.

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