This repository contains scripts used to predict statistically significant co-occurring diseases/conditions (in GWAS catalog) of a disease of interest.
Clone the repository using the following command:
https://github.com/Genome3d/multimorbid3D.git
cd multimorbid3D
Ensure that you have conda installed. In this example, environment is created in the multimorbid3D directory.
- Create a conda environment from environment.yaml file
conda env create --prefix ./multimorbid3D --file environment.yaml
- Activate the environment
conda activate multimorbid3D/
- Deactivate the environment after usage
conda deactivate
-
Input: a list of SNPs or genes or a trait
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Gene regulatory network (GRN). It is a collection of regulatory interactions between SNPs and genes (can be build using CoDeS3D pipeline)
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To also include linked SNPs in the analysis: pre-calculated pairwise linkage disequilibrium data for all the SNPs in 1000 genome project
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To use protein-protein interactions from PROPER, download the database from the website
For details on the expected inputs, run the comorbid.py script with -h argument as shown below
(/m/p/u/s/multimorbid3D/multimorbid3D) :/mnt/projects/multimorbid3D$ python comorbid.py -h
usage: comorbid.py [-h] [-g GENES [GENES ...]] [-s SNPS [SNPS ...]] [--trait TRAIT] [--pmid PMID] --grn-dir GRN_DIR [--gwas GWAS] -o OUTPUT_DIR [-l LEVELS] [-p {string,proper}]
[--string-score STRING_SCORE] [--bootstrap] [--bootstraps BOOTSTRAPS] [--keep-bootstraps] [--non-spatial] [--non-spatial-dir NON_SPATIAL_DIR] [--snp-ref-dir SNP_REF_DIR]
[--gene-ref-dir GENE_REF_DIR] [--ld] [-c CORRELATION_THRESHOLD] [-w WINDOW] [--population {EUR}] [--ld-dir LD_DIR] [--string-version]
Identify multimorbid traits based on eQTL associations and protein-protein interactions.
optional arguments:
-h, --help show this help message and exit
-g GENES [GENES ...], --genes GENES [GENES ...]
A space-separated list of gene symbols or filepath to a file containing gene symbols in the 'gene' column.
-s SNPS [SNPS ...], --snps SNPS [SNPS ...]
A space-separated list of SNP rsIDs or filepath to a file containing SNP rsids in the 'snp' column.
--trait TRAIT GWAS trait to query. Note: this flag is mutually exclusive with the --snps and --pmid flags
--pmid PMID PubMed ID of the GWAS to query. Note: this flag is mutually exclusive with the --snps and --trait flag
--grn-dir GRN_DIR Directory containing tissue gene regulatory network. The subdirectories should contain significant_eqtls.txt for each chromosome.
--gwas GWAS Filepath to GWAS associations. Default: Associations from the GWAS Catalog (https://www.ebi.ac.uk/gwas/api/search/downloads/full)
-o OUTPUT_DIR, --output-dir OUTPUT_DIR
Directory to write results.
-l LEVELS, --levels LEVELS
Path length (i.e. number of nodes) to query. Default = 1
-p {string,proper}, --ppin {string,proper}
The protein-protein-interaction database(s) to use. Default: string
--string-score STRING_SCORE
Cut-off score for STRING interactions. Default = 0.7
--bootstrap Perform a bootstrap. Default = False
--bootstraps BOOTSTRAPS
Number of bootstrap datasets. Default: 1000
--keep-bootstraps Keep bootstrap results. Default: False
--non-spatial Include non-spatial eQTLs. Default = False
--non-spatial-dir NON_SPATIAL_DIR
Filepath to non-spatial eQTLs.
--snp-ref-dir SNP_REF_DIR
Filepath to SNP BED databases.
--gene-ref-dir GENE_REF_DIR
Filepath to gene BED.
--ld Include LD SNPs in identifying eQTLs and GWAS traits. Default = False
-c CORRELATION_THRESHOLD, --correlation-threshold CORRELATION_THRESHOLD
The r-squared correlation threshold to use.
-w WINDOW, --window WINDOW
The genomic window (+ or - in bases) within which proxies are searched. Default = 5000
--population {EUR} The ancestral population in which the LD is calculated. Default = "EUR"
--ld-dir LD_DIR Directory containing LD database.
--string-version Use this flag to specify the version of STRING database to use. Available versions: latest, 11.5, 11.0b, 11.0, 10.5, 10.0.
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