Hello
I am working on gene expression data at TCGA
Now I realized that for a case and a miRNA-Seq, for example, mirna-isoform, there is more than one gene expression file and the counts are different!
update:
the cases are --> https://pastecode.io/s/j79ti1me
Do I have to merge these files together for analysis?
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mohammadhassanj
Sequencing was done in aliquot level, so does the GDC analysis. If the case has more than one miRNA-Seq aliquots, you will have multiple miRNA-Seq analysis.
If you are doing multi-omics analysis, pick one that is on the same or similar aliquots of your other analysis. Otherwise, if you can confirm that they are from the same sample, merge is not wrong, but you will waste your energy explaining this to editors in the future.
Thank you very much
Based on TCGA barcodes:
Are the following two samples similar for compare?
TCGA-AA-3531-01A-01T-0822-13
TCGA-AA-3531-01A-21H-1838-13
They are from the same sample, but different aliquots. If you don't have other omics data to compare with, I will pick the one with later plate number.
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