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Updated: Aug 6, 2025

Large-Scale Multi-Omics Genome-Wide Association Studies Mo-GWAS: Guidelines for Sample Preparation and Normalization
Published on: July 27, 2021
Genome-wide association studies reveal shared genetic haplotypes of autoimmune rheumatic and endocrine diseases with
Konstantinos Voskarides1,2, Nefeli Giannopoulou1, Rasha Eid1
1Department of Basic and Clinical Sciences, University of Nicosia Medical School, Nicosia, Cyprus.
Background:
Several studies have shown that autoimmune diseases are associated with psychiatric diseases like depression and psychosis. Genetic evidence supports this association. The aim of this study was to investigate if genetic variants predisposing to autoimmune diseases and psychiatric disorders are genetically linked, constructing the common haplotypes.
Methods:
All registered single nucleotide polymorphisms (SNPs) in the Genome-wide association studies ("GWAS catalog") having been associated with autoimmune rheumatic and endocrine diseases were investigated for being in linkage disequilibrium with any psychiatric disorders' associated SNPs. Analysis was performed by the LDtrait and LDhap bioinformatics tools.
Results:
Multiple chromosomal regions have been detected containing rheumatic/endocrine diseases' predisposing SNPs and psychiatric disorders' predisposing SNPs. The genetic haplotypes have been constructed for some of these genetic regions. Six of the autoimmune rheumatic and endocrine diseases examined here share a common haplotype with psychiatric diseases at the HLA locus 6p21-22.
Conclusion:
Our study shows that autoimmune diseases and psychiatric diseases are genetically linked. Genetic haplotypes have been constructed, showing in detail this genetic linkage.
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