Circulating inflammatory cytokines influencing schizophrenia: a Mendelian randomization study
1Department of Forensic Science, Guangdong Police College, Guangzhou, Guangdong, China.
Frontiers in Psychiatry
|July 9, 2024
Summary
This study suggests a potential causal link between specific inflammatory cytokines and schizophrenia (SCZ) risk. These findings may inform new therapeutic strategies targeting inflammation in SCZ.
Area of Science:
- Psychiatry
- Immunology
- Genetics
Background:
- Schizophrenia (SCZ) pathophysiology is not fully understood.
- Systemic inflammation and circulating inflammatory proteins are increasingly implicated in SCZ.
Purpose of the Study:
- To investigate the potential causal association between specific inflammatory cytokines and SCZ risk.
- To explore the role of inflammation in the development of schizophrenia.
Main Methods:
- Bidirectional Mendelian randomization (MR) analysis was performed.
- Genome-wide association study (GWAS) data for 91 inflammatory cytokines and SCZ (47,696 cases, 359,290 controls) were utilized.
- Multiple MR methods and sensitivity analyses were employed to ensure result robustness.
Main Results:
- Significant associations were found between SCZ risk and levels of Fibroblast Growth Factor 5, C-C Motif Chemokine 4, C-X-C Motif Chemokine 1, and C-X-C Motif Chemokine 5 after FDR adjustment.
- These associations suggest a potential causal relationship between these inflammatory cytokines and schizophrenia.
Conclusions:
- The study provides evidence for a potential causal link between circulating inflammatory cytokines and SCZ.
- Findings enhance the understanding of inflammation's role in SCZ and may guide the development of novel anti-inflammatory therapeutic strategies.
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