Journal
GENES
Volume 12, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/genes12121850
Keywords
schizophrenia; genetics; environment; gene-environment interactions; Toxoplasma gondii; cannabis; psychosis; polygenic risk score
Categories
Funding
- NIMH [R01 MH113215, RF1 MH122936]
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Schizophrenia is a devastating mental illness with a strong genetic component, but non-genetic factors also play a role. Research shows that interactions between genes and the environment can increase the risk of developing psychosis, which is crucial for understanding the pathogenesis of the disease.
Schizophrenia is a devastating mental illness with a strong genetic component that is the subject of extensive research. Despite the high heritability, it is well recognized that non-genetic factors such as certain infections, cannabis use, psychosocial stress, childhood adversity, urban environment, and immigrant status also play a role. Whenever genetic and non-genetic factors co-exist, interaction between the two is likely. This means that certain exposures would only be of consequence given a specific genetic makeup. Here, we provide a brief review of studies reporting evidence of such interactions, exploring genes and variants that moderate the effect of the environment to increase risk of developing psychosis. Discovering these interactions is crucial to our understanding of the pathogenesis of complex disorders. It can help in identifying individuals at high risk, in developing individualized treatments and prevention plans, and can influence clinical management.
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