Article ; Online: Unrevealing the shared genetic mechanisms underlying C-reactive protein and schizophrenia.
Progress in neuro-psychopharmacology & biological psychiatry
2023 Volume 126, Page(s) 110785
Abstract: ... conclusions regarding the association between C-reactive protein (CRP) level and schizophrenia risk ... However, the shared genetic mechanisms underlying CRP and schizophrenia remain poorly understood. Here, we examined ... genome-wide association studies (GWAS) on CRP level and schizophrenia. Furthermore, we identified their shared genetic variants ...
Abstract | Longitudinal observational studies and Mendelian randomization research have obtained contradictory conclusions regarding the association between C-reactive protein (CRP) level and schizophrenia risk. However, the shared genetic mechanisms underlying CRP and schizophrenia remain poorly understood. Here, we examined the global and local genetic correlations using summary statistics from large-scale genome-wide association studies (GWAS) on CRP level and schizophrenia. Furthermore, we identified their shared genetic variants by applying the conditional false discovery rate approach and performed functional analyses of shared variants to explore the shared genetic mechanisms underlying CRP level and schizophrenia. We found a significant negative genetic correlation at the whole genome level and five significant local genetic correlations between CRP level and schizophrenia. Eight-three shared genetic loci were identified, from which single-nucleotide polymorphism (SNP) presents mixed effects on the increased CRP level and schizophrenia risk. Additionally, we identified 64 and 73 candidate genes that were mapped from SNPs with"concordant effect"(ceSNPs) and"discordant effect"(deSNPs) on the CRP level and schizophrenia risk respectively. Functional analyses revealed that genes mapped from ceSNPs and deSNPs exhibited similar patterns of human brain developmental expression trajectories and biological processes, but differed in expression levels and cell-type-specific enrichment in brain tissues. Our findings demonstrated mixed effects of shared genetic architecture between CRP level and schizophrenia, proving a deeper insight into the shared genetic aetiology underlying the CRP level and schizophrenia. |
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MeSH term(s) | Humans ; C-Reactive Protein/genetics ; C-Reactive Protein/metabolism ; Schizophrenia/genetics ; Genome-Wide Association Study ; Genetic Loci ; Polymorphism, Single Nucleotide/genetics ; Genetic Predisposition to Disease/genetics |
Chemical Substances | C-Reactive Protein (9007-41-4) |
Language | English |
Publishing date | 2023-05-05 |
Publishing country | England |
Document type | Journal Article |
ZDB-ID | 781181-0 |
ISSN | 1878-4216 ; 0278-5846 |
ISSN (online) | 1878-4216 |
ISSN | 0278-5846 |
DOI | 10.1016/j.pnpbp.2023.110785 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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