I was wondering if there are any sources where one can easily download normal tissue gene expression data. I am trying to compare the expression of a gene of interest between a specific cancer data set (which I have obtained from TCGA) to gene expression in normal tissue and am struggling to find a source where I can easily do this. I have read Gtex is an option, but one needs special approval to access that data. I have also read that TCGA has a way to do this, but I am struggling to navigate the site to access the normal data. Any guidance or insight would be much appreciated!
Start with Gene Expression Omnibus.
They have huge collection of samples, you can select by tissue type and pathology or lack thereof.
Dear Keerthana G. ,
As Andrzej Kudlicki said, GEO (https://www.ncbi.nlm.nih.gov/geo/) is a large repository and can help you a lot.
Complement, you can also search on ArrayExpress (https://www.ebi.ac.uk/arrayexpress/).
Best,
Leite
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