Immunogenetic Variants in Major Mental and Neurodevelopmental Disorders
Sigrid Le Clerc1, Jeremy Bernard2, Jaehyoung Choi3
1Laboratoire Génomique, Bio-informatique et Chimie Moléculaire (EA7528), Conservatoire National des Arts et Métiers, Paris, France.
Immune system gene variations contribute to major mental disorders like schizophrenia and autism. Understanding these immunogenetic links may lead to personalized treatments for inflamed patient subgroups.
Area of Science:
- Psychiatric Genomics
- Immunology
- Neuroscience
Background:
- Major mental disorders (MMDs) are heterogeneous, chronic conditions with complex causes.
- Evidence suggests immune dysregulation and chronic inflammation are implicated in MMDs, impacting prognosis and treatment.
- Immunogenetic factors interacting with environmental risks may drive this inflammation.
Purpose of the Study:
- To review immunogenetic variants associated with MMDs.
- To explore the role of innate and adaptive immunity in MMDs.
- To identify research gaps and future directions in immuno-psychiatry.
Main Methods:
- Literature review focusing on immunogenetic variants in MMDs.
- Analysis of data from initiatives like the Psychiatric Genomics Consortium (PGC).
- Examination of both innate and adaptive immune gene associations.
Main Results:
- Abnormal immune processes and chronic low-grade inflammation are linked to MMD subgroups.
- Immunogenetic variants, particularly in the major histocompatibility complex (MHC) region, are associated with schizophrenia and bipolar disorder.
- Both innate and adaptive immunity genes are implicated.
Conclusions:
- Immunogenetic factors play a significant role in the pathophysiology of MMDs.
- Understanding these links is crucial for patient stratification and personalized treatment strategies.
- Further translational research in immuno-psychiatry is needed to develop targeted therapies.
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