chr1swallace / coloc

Repo for the R package coloc
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whether COLOC analysis require CHR and BP information #173

Open tss0222 opened 1 month ago

tss0222 commented 1 month ago

Hi all,

I am planning to use Coloc for identifying shared genetic signals for two EQTL-GWAS studies.

Given that the reference genome used in EQTL data is GRCh38, while many GWAS data use GRCh37 as the reference genome, I would like to inquire whether colocalization analysis require chromosome (chr) and base pair (bp) information, and whether a uniform reference genome is needed if so.

Looking forward to your reply. Thank you for your assistance! Russell

chr1swallace commented 1 month ago

Somehow you will need to match up the SNPs from the two studies. If you can use rs IDs, that's fine. But coloc will not do liftover itself.

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From: tss0222 @.> Sent: Saturday, September 28, 2024 11:32:47 AM To: chr1swallace/coloc @.> Cc: Subscribed @.***> Subject: [chr1swallace/coloc] whether COLOC analysis require CHR and BP information (Issue #173)

Hi all,

I am planning to use Coloc for identifying shared genetic signals for two EQTL-GWAS studies.

Given that the reference genome used in EQTL data is GRCh38, while many GWAS data use GRCh37 as the reference genome, I would like to inquire whether colocalization analysis require chromosome (chr) and base pair (bp) information, and whether a uniform reference genome is needed if so.

Looking forward to your reply. Thank you for your assistance! Russell

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